WO2023200071A1 - 플렉서블 디스플레이 모듈을 구비한 전자 장치 - Google Patents
플렉서블 디스플레이 모듈을 구비한 전자 장치 Download PDFInfo
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- WO2023200071A1 WO2023200071A1 PCT/KR2022/020961 KR2022020961W WO2023200071A1 WO 2023200071 A1 WO2023200071 A1 WO 2023200071A1 KR 2022020961 W KR2022020961 W KR 2022020961W WO 2023200071 A1 WO2023200071 A1 WO 2023200071A1
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- patterned
- electronic device
- window
- curvature
- inclined surface
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
Definitions
- This document relates to an electronic device equipped with a flexible display module.
- a smart phone includes communication functions as well as the functions of a sound reproduction device, an imaging device, or an electronic notebook, and a wider variety of functions can be implemented in the smart phone by installing additional applications.
- a touch screen display is a screen, for example, an output device that outputs visual information, and can provide a virtual keypad that replaces a mechanical input device (for example, a button-type input device).
- portable communication devices or electronic devices can be miniaturized while providing the same or improved usability (eg, larger screen).
- flexible displays for example foldable or rollable, are commercialized, the portability and ease of use of electronic devices are expected to further improve. .
- An electronic device is an electronic device including a flexible display module, wherein the flexible display module includes a patterned window, the patterned window includes a plurality of patterned portions, and Each of the plurality of patterned portions has at least three corners having a predetermined curvature, one or more first corners formed on the upper side of the patterned window have a first curvature, and on the lower side of the patterned window The one or more second corners formed have a second curvature, and the first curvature and the second curvature are formed differently.
- An electronic device is an electronic device including a flexible display, wherein the flexible display includes a patterned window, the patterned window includes a plurality of patterning portions, and the patterning portion Each has at least three corners having a predetermined curvature, and the distance between the patterned portions is configured to decrease from the top of the patterned portion to a predetermined point, but increase corresponding to the predetermined curvature from the predetermined point to the bottom. It can be.
- An electronic device is an electronic device including a flexible display module, wherein the flexible display module includes a patterned window, the patterned window includes a plurality of patterned portions, and Each of the plurality of patterned portions has at least three corners having a predetermined curvature, and one or more first corners formed on the upper side of the patterned window are formed using a first beam having a first irradiation angle. , one or more second corners formed on the lower side of the patterned window may be formed using a second beam having a second irradiation angle, and the curvatures of the first corner and the second corner may be different from each other. there is.
- An electronic device is an electronic device including a flexible display, where the flexible display includes a patterned window.
- the patterned window includes a plurality of patterned portions, and each of the plurality of patterned portions may have at least three corners having a predetermined curvature.
- a first corner formed on the upper side of the patterned window has a first curvature
- a second corner formed on the lower side of the patterned window has a second curvature
- the first and second curvatures are different from each other. can be formed.
- two of the plurality of patterned portions may be spaced apart in a first direction and extend in a second direction.
- at least one of the plurality of patterned parts may have a polygonal cross-section (eg, a trapezoidal cross-section, a hexagonal cross-section, or a square cross-section).
- the first curvature and the second curvature of the electronic device may be determined based on the angle of the beam irradiated to form the patterned portion.
- the impact resistance of a display module provided in an electronic device is improved, and furthermore, the pattern adopted to improve impact resistance may not be visible when looking at the display module.
- FIG. 1 is a block diagram of an electronic device in a network environment, according to various embodiments.
- FIG. 2A is a diagram illustrating an unfolded state of an electronic device according to an embodiment.
- FIG. 2B is a diagram illustrating a folded state of an electronic device according to an embodiment.
- Figure 2C is an exploded perspective view of an electronic device according to one embodiment.
- 3A and 3B are schematic diagrams of a display module according to one embodiment.
- 4 to 6 are diagrams for explaining a patterning process of a bending layer according to an embodiment.
- Figure 7 is a diagram for explaining the front (top view) of a patterned window according to one embodiment.
- FIGS. 8A to 9C are diagrams for explaining a side cross-sectional shape of a patterned portion according to an embodiment.
- Figure 10 is a diagram for explaining the front and side cross-sections of a patterned window according to an embodiment.
- Figure 11 is a diagram for explaining the dimensional relationship of the side cross section of a patterned window according to an embodiment.
- FIGS. 12 to 15 are diagrams illustrating an in-folded and out-folded state of a display module to which a patterned window is applied according to an embodiment.
- FIG. 1 is a block diagram of an electronic device 101 in a network environment 100, according to various embodiments.
- the electronic device 101 communicates with the electronic device 102 through a first network 198 (e.g., a short-range wireless communication network) or a second network 199. It is possible to communicate with at least one of the electronic device 104 or the server 108 through (e.g., a long-distance wireless communication network). According to one embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108.
- a first network 198 e.g., a short-range wireless communication network
- a second network 199 e.g., a second network 199.
- the electronic device 101 may communicate with the electronic device 104 through the server 108.
- the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or may include an antenna module 197.
- at least one of these components eg, the connection terminal 178) may be omitted or one or more other components may be added to the electronic device 101.
- some of these components e.g., sensor module 176, camera module 180, or antenna module 197) are integrated into one component (e.g., display module 160). It can be.
- the processor 120 for example, executes software (e.g., program 140) to operate at least one other component (e.g., hardware or software component) of the electronic device 101 connected to the processor 120. It can be controlled and various data processing or calculations can be performed. According to one embodiment, as at least part of data processing or computation, the processor 120 stores commands or data received from another component (e.g., sensor module 176 or communication module 190) in volatile memory 132. The commands or data stored in the volatile memory 132 can be processed, and the resulting data can be stored in the non-volatile memory 134.
- software e.g., program 140
- the processor 120 stores commands or data received from another component (e.g., sensor module 176 or communication module 190) in volatile memory 132.
- the commands or data stored in the volatile memory 132 can be processed, and the resulting data can be stored in the non-volatile memory 134.
- the processor 120 includes a main processor 121 (e.g., a central processing unit or an application processor) or an auxiliary processor 123 that can operate independently or together (e.g., a graphics processing unit, a neural network processing unit ( It may include a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor).
- a main processor 121 e.g., a central processing unit or an application processor
- auxiliary processor 123 e.g., a graphics processing unit, a neural network processing unit ( It may include a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor.
- the electronic device 101 includes a main processor 121 and a secondary processor 123
- the secondary processor 123 may be set to use lower power than the main processor 121 or be specialized for a designated function. You can.
- the auxiliary processor 123 may be implemented separately from the main processor 121 or as part of it.
- the auxiliary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (e.g., sleep) state, or while the main processor 121 is in an active (e.g., application execution) state. ), together with the main processor 121, at least one of the components of the electronic device 101 (e.g., the display module 160, the sensor module 176, or the communication module 190) At least some of the functions or states related to can be controlled.
- co-processor 123 e.g., image signal processor or communication processor
- may be implemented as part of another functionally related component e.g., camera module 180 or communication module 190. there is.
- the auxiliary processor 123 may include a hardware structure specialized for processing artificial intelligence models.
- Artificial intelligence models can be created through machine learning. For example, such learning may be performed in the electronic device 101 itself on which the artificial intelligence model is performed, or may be performed through a separate server (e.g., server 108).
- Learning algorithms may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but It is not limited.
- An artificial intelligence model may include multiple artificial neural network layers.
- Artificial neural networks include deep neural network (DNN), convolutional neural network (CNN), recurrent neural network (RNN), restricted boltzmann machine (RBM), belief deep network (DBN), bidirectional recurrent deep neural network (BRDNN), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the examples described above.
- artificial intelligence models may additionally or alternatively include software structures.
- the memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101. Data may include, for example, input data or output data for software (e.g., program 140) and instructions related thereto.
- Memory 130 may include volatile memory 132 or non-volatile memory 134.
- the program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142, middleware 144, or application 146.
- the input module 150 may receive commands or data to be used in a component of the electronic device 101 (e.g., the processor 120) from outside the electronic device 101 (e.g., a user).
- the input module 150 may include, for example, a microphone, mouse, keyboard, keys (eg, buttons), or digital pen (eg, stylus pen).
- the sound output module 155 may output sound signals to the outside of the electronic device 101.
- the sound output module 155 may include, for example, a speaker or a receiver. Speakers can be used for general purposes such as multimedia playback or recording playback.
- the receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.
- the display module 160 can visually provide information to the outside of the electronic device 101 (eg, a user).
- the display module 160 may include, for example, a display, a hologram device, or a projector, and a control circuit for controlling the device.
- the display module 160 may include a touch sensor configured to detect a touch, or a pressure sensor configured to measure the intensity of force generated by the touch.
- the audio module 170 can convert sound into an electrical signal or, conversely, convert an electrical signal into sound. According to one embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device (e.g., directly or wirelessly connected to the electronic device 101). Sound may be output through the electronic device 102 (e.g., speaker or headphone).
- the electronic device 102 e.g., speaker or headphone
- the sensor module 176 detects the operating state (e.g., power or temperature) of the electronic device 101 or the external environmental state (e.g., user state) and generates an electrical signal or data value corresponding to the detected state. can do.
- the sensor module 176 includes, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, humidity sensor, or light sensor.
- the interface 177 may support one or more designated protocols that can be used to connect the electronic device 101 directly or wirelessly with an external electronic device (eg, the electronic device 102).
- the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- SD card interface Secure Digital Card interface
- audio interface audio interface
- connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102).
- the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
- the haptic module 179 can convert electrical signals into mechanical stimulation (e.g., vibration or movement) or electrical stimulation that the user can perceive through tactile or kinesthetic senses.
- the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
- the camera module 180 can capture still images and moving images.
- the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
- the power management module 188 can manage power supplied to the electronic device 101.
- the power management module 188 may be implemented as at least a part of, for example, a power management integrated circuit (PMIC).
- PMIC power management integrated circuit
- the battery 189 may supply power to at least one component of the electronic device 101.
- the battery 189 may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.
- Communication module 190 is configured to provide a direct (e.g., wired) communication channel or wireless communication channel between electronic device 101 and an external electronic device (e.g., electronic device 102, electronic device 104, or server 108). It can support establishment and communication through established communication channels. Communication module 190 operates independently of processor 120 (e.g., an application processor) and may include one or more communication processors that support direct (e.g., wired) communication or wireless communication.
- processor 120 e.g., an application processor
- the communication module 190 is a wireless communication module 192 (e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (e.g., : LAN (local area network) communication module, or power line communication module) may be included.
- a wireless communication module 192 e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module
- GNSS global navigation satellite system
- wired communication module 194 e.g., : LAN (local area network) communication module, or power line communication module
- the corresponding communication module is a first network 198 (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (e.g., legacy It may communicate with an external electronic device 104 through a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN).
- a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN).
- a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN).
- a telecommunication network such as a cellular network, a 5G network, a next-generation communication network
- the wireless communication module 192 uses subscriber information (e.g., International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199.
- subscriber information e.g., International Mobile Subscriber Identifier (IMSI)
- IMSI International Mobile Subscriber Identifier
- the wireless communication module 192 may support 5G networks after 4G networks and next-generation communication technologies, for example, NR access technology (new radio access technology).
- NR access technology provides high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low latency). -latency communications)) can be supported.
- the wireless communication module 192 may support high frequency bands (eg, mmWave bands), for example, to achieve high data rates.
- the wireless communication module 192 uses various technologies to secure performance in high frequency bands, for example, beamforming, massive array multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. It can support technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna.
- the wireless communication module 192 may support various requirements specified in the electronic device 101, an external electronic device (e.g., electronic device 104), or a network system (e.g., second network 199).
- the wireless communication module 192 supports Peak data rate (e.g., 20 Gbps or more) for realizing eMBB, loss coverage (e.g., 164 dB or less) for realizing mmTC, or U-plane latency (e.g., 164 dB or less) for realizing URLLC.
- Peak data rate e.g., 20 Gbps or more
- loss coverage e.g., 164 dB or less
- U-plane latency e.g., 164 dB or less
- the antenna module 197 may transmit or receive signals or power to or from the outside (eg, an external electronic device).
- the antenna module 197 may include an antenna including a radiator made of a conductor or a conductive pattern formed on a substrate (eg, PCB).
- the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected to the plurality of antennas by, for example, the communication module 190. can be selected Signals or power may be transmitted or received between the communication module 190 and an external electronic device through the at least one selected antenna.
- other components eg, radio frequency integrated circuit (RFIC) may be additionally formed as part of the antenna module 197.
- RFIC radio frequency integrated circuit
- a mmWave antenna module includes: a printed circuit board, an RFIC disposed on or adjacent to a first side (e.g., bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., mmWave band); And a plurality of antennas (e.g., array antennas) disposed on or adjacent to the second side (e.g., top or side) of the printed circuit board and capable of transmitting or receiving signals in the designated high frequency band. can do.
- a first side e.g., bottom side
- a designated high frequency band e.g., mmWave band
- a plurality of antennas e.g., array antennas
- peripheral devices e.g., bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
- signal e.g. commands or data
- commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199.
- Each of the external electronic devices 102 or 104 may be of the same or different type as the electronic device 101.
- all or part of the operations performed in the electronic device 101 may be executed in one or more of the external electronic devices 102, 104, or 108.
- the electronic device 101 may perform the function or service instead of executing the function or service on its own.
- one or more external electronic devices may be requested to perform at least part of the function or service.
- One or more external electronic devices that have received the request may execute at least part of the requested function or service, or an additional function or service related to the request, and transmit the result of the execution to the electronic device 101.
- the electronic device 101 may process the result as is or additionally and provide it as at least part of a response to the request.
- cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology can be used.
- the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
- the external electronic device 104 may include an Internet of Things (IoT) device.
- Server 108 may be an intelligent server using machine learning and/or neural networks.
- the external electronic device 104 or server 108 may be included in the second network 199.
- the electronic device 101 may be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.
- FIG. 2A is a diagram illustrating an unfolded state of an electronic device according to an embodiment of this document
- FIG. 2B is a diagram illustrating a folded state of an electronic device according to an embodiment of this document.
- the electronic device 200 includes a foldable housing 210, a hinge cover 213 that covers a foldable portion of the foldable housing 210, and a foldable housing 210. It may include a flexible or foldable display 221 disposed in the space formed by the housing 210.
- the side on which the display 221 is placed is defined as the first side or the front of the electronic device 200.
- the side opposite to the front is defined as the second side or the back of the electronic device 200.
- the surface surrounding the space between the front and back is defined as the third side or side of the electronic device 200.
- the foldable housing 210 includes a first housing structure 211, a second housing structure 212 including a sensor area 2122, a first rear cover 214, and a second rear cover. It may include (215).
- the foldable housing 210 of the electronic device 200 is not limited to the shape and combination shown in FIGS. 2A and 2B, and may be implemented by other shapes or combinations and/or combinations of parts.
- the first housing structure 211 and the first rear cover 214 may be integrally formed
- the second housing structure 212 and the second rear cover 215 may be integrally formed. can be formed.
- the first housing structure 211 and the second housing structure 212 are disposed on both sides about the folding axis (A-axis) and may have an overall symmetrical shape with respect to the folding axis A.
- the angle or distance between the first housing structure 211 and the second housing structure 212 varies depending on whether the electronic device 200 is in an unfolded state, a folded state, or an intermediate state.
- the second housing structure 212 unlike the first housing structure 211, additionally includes a sensor area 2122 where various sensors are arranged, but has a mutually symmetrical shape in other areas. You can.
- the sensor area 2122 may be additionally disposed or replaced in at least a partial area of the first housing structure 211 or the second housing structure 212.
- the electronic device 200 is folded (in) by rotating the first housing structure 211 in a range of 0 degrees to 360 degrees with respect to the second housing structure 212 through a hinge structure (not shown). -folding method and/or out-folding method.
- the hinge structure may be formed in a vertical direction or a horizontal direction when the electronic device 200 is viewed from above.
- a plurality of hinge structures may all be arranged in the same direction.
- some hinge structures among a plurality of hinge structures may be arranged in different directions and folded.
- the first housing structure 211 and the second housing structure 212 may together form a recess that accommodates the display 221 .
- the sensor area 2122 allows the recess to have two or more different widths in the direction perpendicular to the folding axis A.
- the recess is (a) a first portion (211a) parallel to the folding axis A of the first housing structure 211 and a second portion formed at the edge of the sensor area 2122 of the second housing structure 212. 1, the first width w1 between the portion 212a, and (b) the second portion 211b of the first housing structure 211 and the second housing structure 212, if it does not correspond to the sensor area 2122. It may have a second width w2 formed by the second portion 212b parallel to the folding axis A. In this case, the second width w2 may be formed to be longer than the first width w1.
- the first part 211a of the first housing structure 211 and the first part 212a of the second housing structure 212 which have mutually asymmetric shapes, form the first width w1 of the recess
- the second part 211b of the first housing structure 211 and the second part 212b of the second housing structure 212 which have mutually symmetrical shapes, may form the second width w2 of the recess.
- the first portion 212a and the second portion 212b of the second housing structure 212 may have different distances from the folding axis A.
- the width of the recess is not limited to the example shown.
- the recess may have a plurality of widths due to the shape of the sensor area 2122 or the asymmetrically shaped portion of the first housing structure 211 and the second housing structure 212.
- At least a portion of the first housing structure 211 and the second housing structure 212 may be formed of a metallic material or a non-metallic material having a selected level of rigidity to support the display 221 .
- the sensor area 2122 may be formed to have a predetermined area adjacent to one corner of the second housing structure 212.
- the arrangement, shape, and size of the sensor area 2122 are not limited to the illustrated example.
- sensor area 2122 may be provided at another corner of second housing structure 212 or any area between the top and bottom corners.
- components for performing various functions built into the electronic device 200 transmit electronics through the sensor area 2122 or through one or more openings provided in the sensor area 2122. It may be exposed to the front of the device 200.
- components may include various types of sensors.
- the sensor may include, for example, at least one of a front camera, a receiver or proximity sensor, an illumination sensor, an iris recognition sensor, an ultrasonic sensor, or an indicator.
- the first back cover 214 is disposed on one side of the folding axis on the back of the electronic device, may have, for example, a substantially rectangular periphery, and is attached to the first housing structure 211. The edges can be wrapped by Similarly, the second back cover 215 may be disposed on the other side of the folding axis on the back of the electronic device, and its edges may be wrapped by the second housing structure 212.
- the first rear cover 214 and the second rear cover 215 may have a substantially symmetrical shape about the folding axis (A axis).
- the first rear cover 214 and the second rear cover 215 do not necessarily have mutually symmetrical shapes, and in another embodiment, the electronic device 200 includes the first rear cover 214 and the second rear cover 215 of various shapes. It may include a second rear cover 215.
- the first rear cover 214 may be formed integrally with the first housing structure 211, and the second rear cover 215 may be formed integrally with the second housing structure 212. there is.
- the first back cover 214, the second back cover 215, the first housing structure 211, and the second housing structure 212 are used to form various components of the electronic device 200 (e.g., A space in which a printed circuit board (printed circuit board, or battery) can be placed can be formed.
- one or more components may be placed or visually exposed on the rear of the electronic device 200.
- at least a portion of the sub-display 2215 may be visually exposed through the first rear area 2141 of the first rear cover 214.
- one or more components or sensors may be visually exposed through the second rear area 2151 of the second rear cover 215.
- the sensor may include a proximity sensor and/or a rear camera.
- the hinge cover 213 is disposed between the first housing structure 211 and the second housing structure 212 and may be configured to cover the internal components (e.g., hinge structure). there is.
- the hinge cover 213 is configured to connect the first housing structure 211 and the second housing structure 212 depending on the state (flat state or folded state) of the electronic device 200. ) may be obscured by part of or exposed to the outside.
- the hinge cover 213 may not be exposed because it is covered by the first housing structure 211 and the second housing structure 212. there is.
- FIG. 2B when the electronic device 200 is in a folded state (e.g., fully folded state), the hinge cover 213 is connected to the first housing structure 211 and the second housing structure 211. It may be exposed to the outside between the housing structures 212.
- the hinge cover 213 when the first housing structure 211 and the second housing structure 212 are in an intermediate state folded with a certain angle, the hinge cover 213 is folded with a certain angle. A portion may be exposed to the outside between the structure 211 and the second housing structure 212. However, in this case, the exposed area may be less than in the fully folded state.
- the hinge cover 213 may include a curved surface.
- the display 221 may be placed in the space formed by the foldable housing 210 .
- the display 221 is seated on a recess formed by the foldable housing 210 and may constitute most of the front of the electronic device 200.
- the front of the electronic device 200 may include the display 221 and a partial area of the first housing structure 211 adjacent to the display 221 and a partial area of the second housing structure 212.
- the rear of the electronic device 200 includes a first rear cover 214, a partial area of the first housing structure 211 adjacent to the first rear cover 214, a second rear cover 215, and a second rear cover. It may include a portion of the second housing structure 212 adjacent to 215 .
- the display 221 may refer to a display in which at least some areas can be transformed into a flat or curved surface.
- the display 221 includes a folding area 2211, a first area 2212 disposed on one side (left side of the folding area 2211 shown in FIG. 2A) with respect to the folding area 2211, and the other side. It may include a second area 2213 disposed on the right side of the folding area 2211 shown in FIG. 2A.
- the area division of the display 221 shown in FIG. 2A is exemplary, and the display 221 may be divided into a plurality of areas (for example, four or more or two) depending on the structure or function.
- the area of the display 221 is divided by a folding area 2211 extending parallel to the y-axis or a folding axis (A-axis), or by another folding area (e.g., x-axis).
- the area of the display 221 may be divided based on a folding area (eg, a folding area parallel to the x-axis) or another folding axis (eg, a folding axis parallel to the x-axis).
- the first area 2212 and the second area 2213 may have an overall symmetrical shape with the folding area 2211 as the center.
- the second area 2213 unlike the first area 2212, may include a notch (2214 in FIG. 2C) cut according to the presence of the sensor area 2122.
- the area may have a symmetrical shape with the first area 2212.
- the first region 2212 and the second region 2213 may include a portion having a symmetrical shape and a portion having an asymmetrical shape.
- the first housing structure 211 and the second housing structure 212 form an angle of 180 degrees and face the same direction. It can be placed facing.
- the surface of the first area 2212 and the surface of the second area 2213 of the display 221 form an angle of 180 degrees to each other and may face the same direction (eg, the front direction of the electronic device).
- the folding area 2211 may form the same plane as the first area 2212 and the second area 2213.
- the first housing structure 211 and the second housing structure 212 may be arranged to face each other.
- the surface of the first area 2212 and the surface of the second area 2213 of the display 221 form a narrow angle (eg, between 0 degrees and 10 degrees) and may face each other.
- At least a portion of the folding area 2211 may be formed of a curved surface with a predetermined curvature.
- the first housing structure 211 and the second housing structure 212 are at a certain angle to each other.
- the surface of the first area 2212 and the surface of the second area 2213 of the display 221 may form an angle that is larger than that in the folded state and smaller than that in the unfolded state.
- At least a portion of the folding area 2211 may be made of a curved surface with a predetermined curvature, and the curvature at this time may be smaller than that in the folded state.
- Figure 2C is an exploded perspective view of an electronic device according to an embodiment of the present document.
- the electronic device 200 includes a display unit 220, a bracket assembly 230, a substrate unit 240, a first housing structure 211, and a second housing structure 212. , may include a first rear cover 214 and a second rear cover 215.
- the display unit 220 may be referred to as a display module or display assembly.
- the display unit 220 may include a display 221 and one or more plates or layers 222 on which the display 221 is mounted.
- plate 222 may be disposed between display 221 and bracket assembly 230.
- the display 221 may be disposed on at least a portion of one surface of the plate 222 (e.g., the upper surface with respect to FIG. 2C).
- the plate 222 may be formed in a shape corresponding to the display 221. For example, some areas of the plate 222 may be formed in a shape corresponding to the notch 2214 of the display 221.
- the bracket assembly 230 includes a first bracket 231, a second bracket 232, a hinge structure (not shown) disposed between the first bracket 231 and the second bracket 232, and the hinge structure is visible from the outside. It may include a hinge cover 213 that covers the case, and a wiring member 233 (e.g., flexible circuit board (FPC), flexible printed circuit) crossing the first bracket 231 and the second bracket 232. .
- a wiring member 233 e.g., flexible circuit board (FPC), flexible printed circuit
- a bracket assembly 230 may be disposed between the plate 222 and the substrate 240.
- the first bracket 231 may be disposed between the first area 2212 of the display 221 and the first substrate 241.
- the second bracket 232 may be disposed between the second area 2213 of the display 221 and the second substrate 242.
- the wiring member 233 and at least a portion of the hinge structure may be disposed inside the bracket assembly 230.
- the wiring member 233 may be disposed in a direction (eg, x-axis direction) crossing the first bracket 231 and the second bracket 232.
- the wiring member 233 may be disposed in a direction (e.g., x-axis direction) perpendicular to the folding axis (e.g., y-axis or folding axis A in FIG. 2A) of the folding area 2211 of the electronic device 200. there is.
- the substrate portion 240 may include a first substrate 241 disposed on the first bracket 231 side and a second substrate 242 disposed on the second bracket 232 side.
- the first substrate 241 and the second substrate 242 include a bracket assembly 230, a first housing structure 211, a second housing structure 212, a first rear cover 214, and a second rear cover ( 215) can be placed inside the space formed by.
- Components for implementing various functions of the electronic device 200 may be mounted on the first substrate 241 and the second substrate 242.
- the first housing structure 211 and the second housing structure 212 may be assembled to each other to be coupled to both sides of the bracket assembly 230 with the display unit 220 coupled to the bracket assembly 230. As will be described later, the first housing structure 211 and the second housing structure 212 may be coupled to the bracket assembly 230 by sliding on both sides of the bracket assembly 230 .
- the first housing structure 211 may include a first rotation support surface 2111
- the second housing structure 212 may include a second rotation support corresponding to the first rotation support surface 2111. It may include cotton (2121).
- the first rotation support surface 2111 and the second rotation support surface 2121 may include a curved surface corresponding to a curved surface included in the hinge cover 213.
- first rotation support surface 2111 and the second rotation support surface 2121 hold the hinge cover 213 when the electronic device 200 is in an unfolded state (e.g., the electronic device in FIG. 2A).
- the hinge cover 213 may not be exposed to the rear of the electronic device 200 or may be minimally exposed.
- the first rotation support surface 2111 and the second rotation support surface 2121 are curved surfaces included in the hinge cover 213 when the electronic device 200 is in a folded state (e.g., the electronic device in FIG. 2B). By rotating along , the hinge cover 213 can be maximally exposed to the rear of the electronic device 200.
- 3A and 3B are schematic diagrams of a display module according to an embodiment of the present document.
- An electronic device includes one or more display modules.
- the display module may include a display unit (DPL), a window unit (WDL), and a protection unit (FCL2).
- DPL display unit
- WDL window unit
- FCL2 protection unit
- the display unit DPL may include or be composed of one or more display panels.
- the display panel may include, but is not limited to, a light emitting device such as an organic light emitting diode (OLED), a liquid crystal display (LCD), or a quantum nano emitting diode (QNED).
- OLED organic light emitting diode
- LCD liquid crystal display
- QNED quantum nano emitting diode
- the window portion (WDL) may include one or more windows, and the windows may include one or more bending layers and an adhesive member (ADL).
- the window unit (WDL) is at least a part of the display module in which windows are arranged, and the window refers to a stacked component arranged in one part.
- the bending layer may have a sufficiently thin thickness to flexibly change shape, or may have a pattern that adjusts or disconnects the thickness of at least a portion of the layer.
- the adhesive member ADL may be positioned between the bending layer and the other component (eg, the display unit DPL and the protection unit FCL2) to bond the bending layer to the other component.
- the adhesive member (ADL) may include or be made of, for example, an optically clear adhesive film (OCA, optically clear adhesive film) or an optically clear adhesive resin (OCR, optically clear resin), but is not limited thereto. .
- the adhesive member ADL may be made of a material having the same optical properties as the window portion WDL (eg, the patterned window PTW of FIG. 6 ).
- the adhesive member (ADL) may be made of, for example, a polymer material having the same or corresponding optical refractive index as the window portion (WDL). Since the window portion (WDL) and the adhesive member (ADL) have the same or corresponding optical refractive index, the optical refraction characteristics may not be impaired even if the boundary between the window portion (WDL) and the adhesive member (ADL) is complicatedly formed. .
- one or more deletions may be formed in the bending layer (patterned window (PTW) in FIG. 6).
- the deletion portion (ERP in FIG. 6) formed in the bending layer (patterned window (PTW) in FIG. 6) may be formed to extend from the upper side of the window to the lower side.
- the deletion portion (ERP in FIG. 6) may be formed to vertically penetrate the bending layer (patterned window (PTW) in FIG. 6).
- a plurality of erased portions (ERP in FIG. 6) improve the flexibility of the window, and the bending layer (patterned window (PTW) in FIG. 6) is bent in a portion where the erased portions (ERP in FIG. 6) are provided.
- the foldable area (FDA) may be provided at the center of the window, and the flat area (FLA) may be provided to extend from the left and right sides of the foldable area (FDA) to the edges. Since no deletion portion (ERP in FIG. 6) is formed in the flat area (FLA), the display module cannot be bent or folded, whereas in the foldable area (FDA), it can be bent or folded as described above.
- the cross-section of the display module may have different cross-sectional shapes at the front and the side.
- the adhesive element (ADL) is a portion of the bending layer (patterned window (PTW) in Figure 6) that is cut-off or etched away from each other by a preparation (ERP in Figure 6). It may be configured to surround.
- the adhesive member (ADL) can be divided into upper and lower sides by a bending layer (patterned window (PTW) in FIG. 6).
- the deletion may be provided in the form of a trench or recess that leaves at least a portion of the window in the direction to be cut-off (or etched).
- the deletion portion may be provided in the form of a hole penetrating the window in the cut-off (or etching) direction.
- the width of the deletion portion may be variable, becoming wider or narrower from the top to the bottom of the window. Referring to FIG. 3A, the deletion portion (ERP in FIG. 6) is illustrated as being formed to become narrower in width from the top to the bottom. Referring to FIG. 3B, the deletion portion (ERP in FIG.
- the deletion portion (ERP in FIG. 6) may be designed to have a variable width in the upper and lower directions of the window.
- the protection part FCL2 may be arranged on the upper side of the window part WDL.
- the protection unit FCL2 may be provided to protect one or more components (eg, a window unit (WDL) and a display unit (DPL)) provided on the lower side from impact applied from the upper side of the display module.
- the protective part FCL2 may include or be composed of one or more protective layers.
- One or more protective layers include, for example, a hard coating layer, and may additionally include an anti-finger (AF) coating layer.
- the protective part FCL2 may be formed of a material having a high modulus, and for example, the hard coating layer may be flexible to enable bending or folding.
- the protective portion (FCL2) is the top layer directly exposed to the outside and must have chemical resistance and corrosion resistance.
- the protective portion (FCL2) may include an acrylic compound, an epoxy compound, an organic-inorganic complex compound, or a combination thereof.
- it is not necessarily limited to this, and may include other ultraviolet curable resins other than acrylic compounds and epoxy compounds.
- the display module may further include one or more functional units (FCL1).
- the functional portion FCL1 is a thermoplastic resin layer or thermosetting resin layer that is at least partially introduced into the display module and performs a predetermined role.
- the functional portion FCL1 may include, for example, a shock absorption layer. More specifically, the shock absorbing layer is a polymer layer and is arranged between the display panel and the window portion (WDL) to reduce the amount of shock applied to the display panel. Additionally, although not limited to this, the functional portion FCL1 may be made of a heat dissipation member or a waterproof member.
- 4 to 6 are diagrams for explaining a patterning process of a bending layer according to various embodiments of this document.
- the base window BW may be illuminated by one or more beam emitters BE1, BE2, and BE3.
- One or more beam emitters BE1, BE2, and BE3 may be configured as, for example, a femtosecond laser, but are not limited thereto.
- one or more beam emitters BE1, BE2, and BE3 may be configured as dot beam lasers.
- the dot beam laser can penetrate a portion of the base window (BW) and effectively cause a phase transition in that portion.
- one or more beam emitters BE1, BE2, and BE3 may be configured as line beam lasers. Unlike a dot beam laser, a line beam laser can cause a phase transition into a line, so the number of beam irradiations can be reduced compared to a dot beam laser.
- one or more beam emitters ( BE1, BE2, BE3) can radiate a dot beam at a preset angle.
- At least some of the beam emitters BE1 and BE2 may emit a dot beam at an inclined angle. In one embodiment, at least some of the beam emitters BE3 among the beam emitters may radiate a dot beam perpendicular to the base window BW. In one embodiment, a plurality of dot patterns may be formed in the base window BW by the beam emitters BE1, BE2, and BE3.
- a beam emitter that irradiates a beam inclined at a predetermined inclination with respect to the base window (BW) may be referred to as an “inclined beam emitter.”
- a beam emitter that irradiates a dot beam perpendicular to the base window (BW) may be referred to as a “vertical beam emitter.”
- the process of forming a modified region by a “vertical beam emitter” may be omitted.
- a phase transition may occur in an area corresponding to a plurality of dot patterns and various modified areas TRP1, TRP2, and TRP3 may be formed in one area of the base window BW.
- the modified regions may be regions to be cut.
- Figure 4 exemplarily shows a case in which the modified regions (TRP1, TRP2, and TRP3) are formed intermittently, but the present invention is not limited thereto, and the modified regions (TRP1, TRP2, and TRP3) may be formed continuously.
- one or more beam emitters BE1, BE2, and BE3 may emit a dot beam at a predetermined angle. Accordingly, the modified regions TRP1, TRP2, and TRP3 may be formed in the base window BW along the irradiation direction of the beam pattern.
- one or more inclined beam emitters BE1 and BE2 may emit a dot beam in a first direction and a second direction.
- the inclined beam emitters BE1 and BE2 may be symmetrical or asymmetrical with respect to each other in the first direction and the second direction, respectively.
- the beam emitters BE1 and BE2 inclined in the symmetrical first and second directions may irradiate beams at the same angle based on the normal line of the base window BW.
- the beam emitters BE1 and BE2 inclined in the asymmetric first and second directions may radiate beams at different angles based on the normal line of the base window BW.
- the inclined beam emitters BE1 and BE2 may be irradiated toward a common irradiation point located inside or below the base window BW. Additionally, the beam emitters BE1 and BE2 may be positioned on the left and right sides, respectively, based on the common irradiation point.
- one or more vertical beam emitters BE3 may emit a dot beam in a direction perpendicular to the base window.
- the vertical beam emitter E3 may be controlled or configured to radiate a dot beam between the points targeted by the inclined beam emitters BE1 and BE2.
- the modified region TRP1 , TRP2, TRP3) is an inclined reformed region (TRP1, TRP2) formed by beam emitters (BE1, BE2) that irradiates a dot beam at a predetermined inclination, and a vertical reformed region formed by a vertical beam emitter (BE3) (TRP3) or may be divided into these.
- the vertical reformed region TRP3 may be formed between the inclined reformed regions TRP1 and TRP2.
- a portion of the base window BW may be separated into fragments by the vertical reformed region TRP3 formed between the inclined reformed regions TRP1 and TRP2, but the present invention is not limited thereto.
- additional inclined reforming regions (TRP1, TRP2) on the base window (BW) instead of the vertical reforming region (TRP3), a portion of the base window (BW) is broken into fragments. It can also be separated.
- etching of the base window BW may be performed as an etchant is introduced into the modified regions TRP1, TRP2, and TRP3. Since the modified regions (TRP1, TRP2, TRP3) have a high etching rate unlike other regions, they can be removed before other parts of the base window (BW). Referring to FIG. 5, the modified regions (TRP1, TRP2, and TRP3) may be etched with priority over other parts of the base window (BW). The etched regions (ETP1, ETP2, ETP3) may extend below the base window to include at least a portion of the modified regions (TRP, TRP2, TRP3).
- the etched regions may extend downward until eventually penetrating the lower side of the base window, but this is not limited to this, and in another embodiment, the etching regions (ETP1, ETP2, ETP3) may extend downward until finally penetrating the lower side of the base window (BW). It may only extend to a point before.
- the base window (BW) is etched toward the bottom of the base window (BW) along the modified regions (TRP1, TRP2, TRP3) in portions corresponding to the modified regions (TRP1, TRP2, TRP3). It can be.
- the modified regions (TRP1, TRP2, TRP3) are etched at a faster rate than other parts, a circular or oval pattern is formed in the base window (BW) when viewed from the top, as shown in FIG. 5. It can be.
- the circular or oval pattern created by etching may be wider than the dot pattern of the modified regions (TRP1, TRP2, and TRP3) shown in FIG. 5.
- etching as etching is continuously performed, at least a portion of the base window BW may be removed to form a predetermined pattern. As portions corresponding to the modified regions TRP1, TRP2, and TRP3 are removed through etching, at least a portion of the base window BW may be separated and lost. In other words, as at least a portion of the base window BW is separated or disappears, etching areas ETP1, ETP2, and ETP3 may be formed.
- the modified regions TRP1, TRP2, and TRP3 may be formed based on the pattern shape of the patterned window PTW to be finally formed by etching. For example, connecting a plurality of dot patterns with a line can create a straight, curved, or zigzag line. As a result of etching the modified regions (TRP1, TRP2, TRP3), adjacent portions of the plurality of dot patterns are directly connected, and as a result, at least a portion of the base window (BW) is removed and a patterned portion (PTP) can be formed. there is.
- the patterned window (PTW) may include one or more patterning portions (PTP) and one or more removal portions (ERP).
- a window including one or more patterning parts (PTP) and removal parts (ERP) may be called a patterned window.
- two or more patterned windows may be formed to be spaced apart by a removal part (ERP).
- two or more patterned windows may be formed to be continuously connected to each other.
- the patterning part (PTP) and the removal part (ERP) may be formed by removing a part of the base window (BW) corresponding to the removal part (ERP) from the base window (BW).
- two or more removal parts may be separated by a patterning part (PTP) in at least one area of the removal part (ERP).
- the patterning part (PTP) that separates the removal parts (ERP) may be formed by a vertical beam emitter (BE3) as shown in FIGS. 4 and 5.
- the vertical reformed region TRP3 may be formed in the base window BW by the vertical beam emitter BE3.
- the vertical reforming region (TRP3) may define the region to be removed as debris in the base window (BW). For example, a portion surrounded by a plurality of inclined reforming regions (TRP1, TRP2) and two vertical reforming regions (TRP3) may be separated into fragments from the base window (BW).
- the removal part ERP may be formed in the base window BW in various shapes depending on the position where the vertical reforming region TRP3 is formed.
- Figure 7 is a diagram for explaining the front (Top View) of a patterned window according to an embodiment of this document.
- the patterns of the patterning part (PTP) and the removing part (ERP) may be formed in a zigzag shape when viewed from the top, but are not limited to this and may have various shapes such as straight lines and curves. It can be formed into a shape.
- FIGS. 8A and 8B are schematic diagrams for explaining the cross-sectional shape of a patterned portion according to various embodiments of the present document.
- the patterned portion may be formed to have a trapezoidal cross-section including at least four corners.
- the patterned portion may be formed to have a triangular cross section including at least three corners.
- the upper side FL2a and the lower side FL1a of the trapezoidal cross-section may be formed to be parallel to each other.
- the left slope SL1a and the right slope SL2a of the trapezoid may be formed to have different slopes.
- the slope of each inclined surface SL1a and SL2a of the trapezoid may be related to or correspond to the beam irradiation angle of the beam emitter irradiated with respect to the base window BW.
- the right inclined surface SL2a of the trapezoid may be associated with the first irradiation angle of the first beam B1
- the left inclined surface SL1a of the trapezoid may be associated with the second irradiation angle of the second beam B2. It can be.
- a modified area is formed in the base window (BW) in the lower direction of the base window (BW), and the part corresponding to the modified area has a faster speed than the other parts. Since etching is performed, the irradiation angle of the beam and the inclination of the inclined surface can be formed to be related.
- the upper left corner C21a and the upper right corner C22a of the trapezoid cross section may have the same or different curvatures.
- the curvature of each corner may be related to or correspond to the beam irradiation angle of the beam emitter relative to the base window BW.
- the curvature of the upper right corner C22a and the lower right corner C12a of the trapezoid may be related to the first irradiation angle of the first beam B1.
- the curvature of the upper left corner C21a and the lower left corner C11a of the trapezoid may be related to the second irradiation angle of the second beam B2.
- the lower side (FL1b) of the triangular cross-section may form a predetermined slope with the left inclined surface (SL1b) and the right inclined surface (SL2b).
- the left slope SL1b and the right slope SL2b of the triangle may be formed to have different slopes.
- the slope of each inclined surface SL1b and SL2b of the triangle may be related to or correspond to the beam irradiation angle of the beam emitter irradiated with respect to the base window BW.
- the right inclined surface SL2b of the triangle may be associated with the first irradiation angle of the first beam B1
- the left inclined surface SL1b of the triangle may be associated with the second irradiation angle of the second beam B2. It can be.
- a modified area is formed in the base window (BW) in the lower direction of the base window (BW), and the part corresponding to the modified area has a faster speed than the other parts. Since etching is performed, the irradiation angle of the beam and the inclination of the inclined surface can be formed to be related.
- the lower left corner C21b and the lower right corner C22b of the triangular cross section may have the same or different curvatures.
- the curvature of each corner C21b and C22b may be related to or correspond to the beam irradiation angle of the beam emitter with respect to the base window BW.
- the curvature of the triangle upper corner C1b and lower right corner C22b may be related to the first irradiation angle of the first beam B1.
- the curvature of the triangle's upper corner C1b and lower left corner C21b may be related to the second irradiation angle of the second beam B2.
- the left inclined surfaces (SL1a, SL1b) and right inclined surfaces (SL2a, SL2b) of the patterned portions (PTPa, PTPb) are formed at one or more corners (e.g., For example, C21a, C22a or C1b). Additionally, the left inclined surfaces SL1a and SL1b and the right inclined surfaces SL2a and SL2b may be formed symmetrically or asymmetrically. Symmetry or asymmetry can be determined based on the irradiation angle of the beam radiating into the base window (BW).
- the curvature of the corners C21a, C22a, and C1b formed on the upper side increases, the curvature of the corners C11a, C12a, C21b, and C22b formed on the lower side may decrease. In one embodiment, as the curvature of the corners C21a, C22a, and C1b formed on the upper side decreases, the curvature of the corners C11a, C12a, C21b, and C22b formed on the lower side may increase.
- one or more corners may have an R value (curvature) ranging from 0.05R to 0.02R, greater than 0.02R, or greater than 0.05R.
- the R value can be adjusted differently by the refractive index of the base window and OCR.
- FIGS. 9A to 9C show cross-sections of patterned portions according to various embodiments of the present document.
- the cross section of the patterned portion shown in FIGS. 9A to 9C can be formed by irradiating a beam to both sides of the base window.
- the patterned portion PTPc may be formed to have a hexagonal cross-section including at least six corners.
- the patterned portion PTPd may be formed to have a square (eg, parallelogram) cross section including at least four corners.
- the upper side (FL2c) and the lower side (FL1c) of the hexagonal cross-section may be formed to be parallel to each other.
- At least two inclined surfaces adjacent to each other may be formed to have different inclinations.
- the lower left inclined surface SL11c and the upper left inclined surface SL21c of the hexagonal cross-section may be formed to have different inclinations.
- the lower right inclined surface SL12c and the upper right inclined surface SL22c of the hexagonal cross section may be formed to have different inclinations.
- At least two inclined surfaces between which the upper side FL2c or the lower side FL1c are located may be formed to have different inclinations.
- the upper left slope SL21c and the upper right slope SL22c may be formed to have different slopes.
- the lower left slope SL11c and the lower right slope SL12c may be formed to have different slopes.
- two adjacent inclined surfaces of a hexagonal cross-section may be formed to have the same or different inclinations.
- the lower left inclined surface SL11c and the upper right inclined surface SL22c of the hexagonal cross-section may be formed to have the same inclination.
- the upper left inclined surface SL21c and the lower right inclined surface SL12c of the hexagonal cross-section may be formed to have the same inclination.
- each inclined surface SL11c, SL12c, SL21c, and SL22c of the hexagonal cross-section may be related to or correspond to the beam irradiation angle of the beam emitter irradiated with respect to the base window BW.
- the upper left corner C21c, lower left corner C11c, upper right corner C22c, and lower right corner C12c of the hexagonal cross-section may have the same or different curvatures.
- the left corner C31c and the right corner C32c may have the same curvature.
- the curvature of each corner may be related to or correspond to the beam irradiation angle of the beam emitter relative to the base window BW.
- At least two inclined surfaces adjacent to each other may be formed to have different inclinations.
- the lower left inclined surface SL11d and the upper left inclined surface SL21d of a square (eg, parallelogram) cross section may be formed to have different inclinations.
- the lower right slope SL12d and the upper right slope SL22d of a square cross section may be formed to have different slopes.
- opposing inclined surfaces of a rectangular cross-section may be formed to have the same or different inclinations.
- the lower left inclined surface SL11d and the upper right inclined surface SL22d of a square cross section may be formed to have the same inclination.
- the upper left inclined surface SL21d and the lower right inclined surface SL12d of a square cross section may be formed to have the same inclination. Accordingly, slopes facing each other can be formed in parallel.
- the slope of each of the inclined surfaces SL11d, SL12d, SL21d, and SL22d of the square cross-section may be related to or correspond to the beam irradiation angle of the beam emitter irradiated with respect to the base window BW.
- the upper corner C2d and lower corner C1d of the rectangular cross-section may have the same or different curvatures.
- the left corner C31d and the right corner C32d may have the same or different curvatures.
- the patterned portion PTPe may be formed to have an hourglass-shaped cross section including at least six corners.
- the upper side FL2e and the lower side FL1e of the hourglass-shaped cross section may be formed to be parallel to each other.
- the upper side FL2e and the lower side FL1e of the hourglass-shaped cross section may be formed to be parallel to each other.
- At least two inclined surfaces adjacent to each other may be formed to have different inclinations.
- the lower left slope SL11e and the upper left slope SL21e of the hourglass-shaped cross section may be formed to have different slopes.
- the lower right slope SL12e and the upper right slope SL22e of the hourglass-shaped cross section may be formed to have different slopes.
- At least two inclined surfaces between which the upper side FL2e or the lower side FL1e are located may be formed to have different inclinations.
- the upper left slope SL21e and the upper right slope SL22e may be formed to have different slopes.
- the lower left slope SL11e and the lower right slope SL12e may be formed to have different slopes.
- two non-adjacent slopes of the hourglass-shaped cross-section may be formed to have the same or different slopes.
- the lower left slope SL11e and the upper right slope SL22e of the hourglass-shaped cross section may be formed to have the same slope.
- the upper left slope SL21e and the lower right slope SL12e of the hourglass-shaped cross section may be formed to have the same slope.
- each inclined surface SL11c, SL12c, SL21c, SL22e of the hourglass-shaped cross-section may be related to or correspond to the beam irradiation angle of the beam emitter irradiated with respect to the base window BW.
- the upper left corner C21e, lower left corner C11e, upper right corner C22e, and lower right corner C12e of the hourglass cross-section may have the same or different curvatures.
- the left corner C31e and the right corner C32e may have the same curvature.
- the curvature of each corner may be related to or correspond to the beam irradiation angle of the beam emitter relative to the base window BW.
- Figure 10 is a schematic diagram for explaining cross-sections of a patterned window according to an embodiment of the present document.
- the patterned window (PTW in FIG. 6) when the patterned window (PTW in FIG. 6) is viewed from above, at least a portion of the patterned window (PTW in FIG. 6) may be formed of at least one of a straight line, a curved line, or a zigzag line.
- at least a portion of the patterned window (PTW in FIG. 6) is removed by etching, and the deletion portion (ERP) removed by etching has one repeating shape or a combination of two or more repeating shapes. It can be done.
- the repeating shape may include a straight shape, a curved shape, a zigzag shape, and an angle shape, as mentioned above.
- the deletion part may be made of a combination of a plurality of zigzag shapes and a plurality of angle shapes, and each shape is based on the horizontal direction. can be formed alternately.
- the plurality of patterned portions (PTP) may be surrounded by an adhesive member (ADL) and bonded to the upper protective layer.
- the plurality of patterned portions (PTP) may be surrounded by an adhesive member (ADL) and bonded to the lower impact prevention portion.
- the plurality of patterning parts (PTP) are connected to the lower display unit (DPL in FIGS. 3A and 3B) by the adhesive member (ADL). ) can be bonded with.
- the cross-section of the patterned window may be expressed differently depending on the location.
- a patterned window (PTW in Figure 6) can have two or more cross-sections.
- the first cross section based on A-A' may include a first patterned portion (PTPL), and the second cross section based on B-B' may include a second patterned portion (PTPS).
- the patterned portion (PTP) of the first cross section may have a width greater than the sum of the widths of the patterned portions (PTP) of the second cross section. That is, the first cross-sectional patterning portion (PTP) may have a width greater than the sum of the two second patterning portions (PTPS).
- the width of the first patterning portion may be equal to or correspond to the sum of the widths of the two second patterning portions (PTPS) and the distance between the second patterning portions (PTPS).
- two second patterned portions may be created by performing etching after irradiating a beam to the first patterned portion (PTPL).
- Figure 11 shows the overall cross-sectional structure of a patterned window according to an embodiment of the present document.
- FIG. 11 it is explained using the cross-sectional triangle illustrated in (b) of FIG. 8, but is not limited thereto, and the cross-sectional triangle is shown in (a) of FIG. 8 and (a) to (c) of FIG. 9. It can be replaced by a cross section of a shape.
- one or more center patterning portions may be provided at the center of the patterned window (PTW in FIG. 6), and edge patterning portions (PTEs) may be provided at the left and/or right edges.
- the center patterning part (PTP) may have at least two inclined surfaces (PSL1, PSL2), and the edge patterning part (PTE) may have one inclined surface (ESL1, ESL2). That is, the edge patterning portion (PTE) may have fewer inclined surfaces than the center patterning portion (PTP).
- the central patterning part may include a left inclined surface (PSL1) and a right inclined surface (PSL2).
- PSL1 left inclined surface
- PSL2 right inclined surface
- the slopes of the left slope (PSL1) and the right slope (PSL2) were described above in FIG. 8, and duplicate descriptions will be omitted.
- one inclined surface (PSL1 or PSL2) of the center patterning portion (PTP) faces the inclined surface (ESL1 or ELS2) of the edge patterning portion (PTE), and the other inclined surface (PSL2 or PSL1) faces the edge patterning portion ( It can be formed to be away from the slope (ESL2 or ELS1) of the PTE).
- the inclined surface of the center patterning unit (PTP), which is formed to be away from the inclined surface (ELS1 or ESL2) of the edge patterning unit (PTE) may have a slope that is the same as or related to the inclined surface of the edge patterning unit (PTE).
- the inclined surface on the side of the center patterned portion (PTP) adjacent to the edge patterned portion (PTE) away from the edge patterned portion (PTE) is a beam used to form the inclined surface of the edge patterned portion (PTE) and It can be formed by beams having the same irradiation angle.
- the edge patterning portion (PTE) shown in FIG. 11 and the center patterning portion (PTP) adjacent to the edge patterning portion (PTE) will be described as an example.
- the edge patterning portion (PTE) may include one inclined surface (ESL2).
- the central patterning part (PTP) may include a left inclined surface (PSL1) and a right inclined surface (PSL2).
- the left slope (PSL1) may have a different slope from the slope (ESL2) of the edge patterning unit (PTE)
- the right slope (PSL2) may have a slope that is the same as or related to the slope (ESL2) of the edge patterning unit (PTE). there is.
- the left inclined surface (PSL1) of the center patterning portion (PTP) is formed based on beam irradiation at the first irradiation angle, but the right inclined surface (PSL2) of the center patterning portion (PTP) and the inclined surface (ESL2) of the edge patterning portion (PTE) may be formed based on beam irradiation at the second irradiation angle.
- the first and second irradiation angles may be set to be different.
- the distance between the two center patterning portions (PTPs) (first distance) and the distance between the center patterning portion (PTP) and the edge patterning portion (PTE) (second distance) are designed to be the same or different. It can be.
- the width of the central patterning portion may become wider or narrower from the top to the bottom.
- the width of the central patterning portion (PTP) may increase up to a point, and may decrease from that point to the bottom point of the central patterning portion (PTP).
- the width of the central patterning portion (PTP) may increase as it moves downward along the slope of the slope up to a point. From one point to the bottom of the central patterning portion (PTP), the width of the central patterning portion (PTP) may be reduced to correspond to the curvature of the corner provided on the lower side of the central patterning portion (PTP).
- the distance between the central patterning portions may narrow or widen from the top to the bottom corresponding to a change in the width of the central patterning portion (PTP).
- the distance between the central patterning portions (PTPs) may decrease to a point and increase from the point to the bottom point of the central patterning portion (PTP).
- the distance between the central patterning parts (PTPs) may decrease as it moves downward along the slope of the slope up to a point. From one point to the bottom of the central patterning portion (PTP), the distance between the central patterning portions (PTP) may increase to correspond to the curvature of the corner provided on the lower side of the central patterning portion (PTP).
- the distance between the two center patterning portions (PTPs) based on the upper corners of the center patterning portion (PTP) is defined as w11, the distance from one point is w12, and the distance from the bottom point is defined as w13. You can.
- the distance between the center patterning portion (PTP) and the edge patterning portion (PTE) becomes narrower or wider from the top to the bottom corresponding to the change in width of the center patterning portion (PTP) and the edge patterning portion (PTE). You can.
- the distance between the center patterning portion (PTP) and the edge patterning portion (PTE) may decrease to a point, and may increase from a point to the bottom point of the center patterning portion (PTP) and the edge patterning portion (PTE). Up to a point, the distance between the center patterning portion (PTP) and the edge patterning portion (PTE) may decrease as it moves downward along the slope of the slope.
- the center patterning portion (PTP) corresponds to the curvature of the corner provided on the lower side of the center patterning portion (PTP) and the edge patterning portion (PTE).
- the edge patterning portion (PTE) may increase.
- the distance based on the upper corner of the center patterning portion (PTP) and the upper corner of the edge patterning portion (PTE) is defined as w21
- the distance from one point is w22
- the distance from the bottom point is defined as w23. You can.
- w11 may be formed to be 300 um
- w13 or w12 may be formed to be in the range of 180 um to 100 um. That is, the distance between the lower corners may be in the range of 0.3 to 0.6 times the distance between the upper corners.
- the value of w13 or w12 may be determined based on the irradiation angle of the beam for forming the modified region. For example, when irradiated at 60 degrees, w13 or w12 may be formed to be 180 um, and when irradiated at 45 degrees, w13 or w12 may be formed to be 100 um. This can also be applied to w21, w22, and w23.
- the distance between the center patterned portion(s) (PTP) and/or the edge patterned portion(s) (PTE) increases from the center of the patterned window toward the edge, and the respective patterned portions (PTP, PTE) ), or at least one or all of the slopes forming the slope may be variable.
- the distance between the central patterning parts may vary as the distance from the center of the patterned window moves toward the edge. In one embodiment, the distance between central patterning parts (PTPs) may increase or decrease as the distance from the center of the patterned window moves toward the edge.
- the distance between the center patterning portion (PTP) and the edge patterning portion (PTE) may be equal to or greater than the distance between the center patterning portions (PTP). In one embodiment, the distance between the center patterning portion (PTP) and the edge patterning portion (PTE) may be equal to the distance between the edge patterning portion (PTE) and two sequentially adjacent center patterning portions (PTPs). In one embodiment, the distance between the center patterning portion (PTP) and the edge patterning portion (PTE) may be greater than the distance between the edge patterning portion (PTE) and two sequentially adjacent center patterning portions (PTPs).
- the distance between the central patterning parts (PTPs) may be the same or different based on the same height. In one embodiment, the distance between the center patterning portion (PTP) and the edge patterning portion (PTE) may be the same or different based on the same height.
- the slope of each inclined surface forming the central patterning portion may vary as the distance from the center of the patterned window moves toward the edge. In one embodiment, the slope of each inclined surface may be formed to have a steeper slope as it moves away from the center of the patterned window toward the edge. In one embodiment, the slope of each inclined surface may be formed to have a gentler slope as it moves away from the center of the patterned window toward the edge.
- the slope of the inclined surface forming the edge patterning part (PTE) may be formed to have the same slope as the slope of the opposing center patterning part (PTP). In one embodiment, the slope of the edge patterning part (PTE) may have a different slope from that of the opposing center patterning part (PTP). In one embodiment, the slope of the edge patterning part (PTE) may have a steeper or gentler slope than the slope of the opposing center patterning part (PTP). Meanwhile, in one embodiment, the height h2 of the center patterning part PTP and the height h1 of the edge patterning part PTE may be the same or different.
- the height (h2) of the center patterning part (PTP) and the height (h1) of the edge patterning part (PTE) can be designed to be the same, respectively.
- the height h1 of the edge patterning portion PTE may be formed to be larger than the height h2 of the patterning portion PTP.
- a larger area can be utilized. Accordingly, bonding between the patterned window and other components can be firmly maintained. Additionally, since each corner of the patterned portion has a predetermined curvature, there is an advantage that the boundaries of the patterned portions are not visually discernible when looking at the display module.
- the display module applied to one embodiment of the present disclosure may be in-folded or out-folded as shown in FIGS. 12 to 15.
- the display module may include a window unit (WDL) and a display unit (DPL) disposed on the back of the window unit (WDL).
- the display module may further include a functional unit (FCL1) and a protective unit (FLC2).
- FCL1 functional unit
- FLC2 protective unit
- the display module shown in FIGS. 12 to 15 may further include additional layer components on the front or back side.
- the window unit (WDL) and the display unit (DPL) include a first housing structure (e.g., the first housing structure 211 in FIG. 2A) and a second housing structure (e.g., the second housing in FIG. 2A). It may be arranged to cross at least a portion of the structure 212).
- the display module may include a reinforcement plate.
- a reinforcement plate (not shown) may be disposed on the back of the display unit DPL.
- the reinforcement plate may include a first reinforcement plate facing the first housing structure and a second reinforcement plate facing the second housing.
- the window portion (WDL), the display portion (DPL), and the reinforcement plate may be attached to each other through an adhesive (eg, ADL).
- the adhesive may include at least one of optical clear adhesive (OCA), pressure sensitive adhesive (PSA), heat-reactive adhesive, general adhesive, or double-sided tape.
- FIGS. 12 and 13 are diagrams for explaining the in-folding and out-folding states of the display module shown in FIG. 3A according to various embodiments of the present specification.
- the display module can be in-folded toward the front.
- the display module may be folded out toward the rear.
- FIGS. 14 and 15 are diagrams for explaining the in-folding and out-folding states of the display module shown in FIG. 3B.
- the display module can be in-folded toward the front.
- the display module may be folded out toward the rear.
- components directly or indirectly connected to the display module e.g., housing(s), reinforcement plate(s) are adjusted to correspond to the display module being bent. Can be bent at the same time.
- Electronic devices may be of various types.
- Electronic devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances.
- Electronic devices according to embodiments of this document are not limited to the above-described devices.
- first, second, or first or second may be used simply to distinguish one component from another, and to refer to that component in other respects (e.g., importance or order) is not limited.
- One (e.g., first) component is said to be “coupled” or “connected” to another (e.g., second) component, with or without the terms “functionally” or “communicatively.” Where mentioned, it means that any of the components can be connected to the other components directly (e.g. wired), wirelessly, or through a third component.
- module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as logic, logic block, component, or circuit, for example. It can be used as A module may be an integrated part or a minimum unit of the parts or a part thereof that performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).
- ASIC application-specific integrated circuit
- Various embodiments of the present document are one or more instructions stored in a storage medium (e.g., built-in memory 136 or external memory 138) that can be read by a machine (e.g., electronic device 101). It may be implemented as software (e.g., program 140) including these.
- a processor e.g., processor 120
- the one or more instructions may include code generated by a compiler or code that can be executed by an interpreter.
- a storage medium that can be read by a device may be provided in the form of a non-transitory storage medium.
- 'non-transitory' only means that the storage medium is a tangible device and does not contain signals (e.g. electromagnetic waves), and this term refers to cases where data is semi-permanently stored in the storage medium. There is no distinction between temporary storage cases.
- Computer program products are commodities and can be traded between sellers and buyers.
- the computer program product may be distributed in the form of a machine-readable storage medium (e.g. compact disc read only memory (CD-ROM)) or via an application store (e.g. Play Store TM ) or on two user devices (e.g. It can be distributed (e.g. downloaded or uploaded) directly between smart phones) or online.
- a machine-readable storage medium e.g. compact disc read only memory (CD-ROM)
- an application store e.g. Play Store TM
- two user devices e.g. It can be distributed (e.g. downloaded or uploaded) directly between smart phones) or online.
- at least a portion of the computer program product may be at least temporarily stored or temporarily created in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or a relay server.
- each component (e.g., module or program) of the above-described components may include a single or plural entity, and some of the plurality of entities may be separately placed in other components. there is.
- one or more of the components or operations described above may be omitted, or one or more other components or operations may be added.
- multiple components eg, modules or programs
- the integrated component may perform one or more functions of each component of the plurality of components in the same or similar manner as those performed by the corresponding component of the plurality of components prior to the integration. .
- operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, or omitted. Alternatively, one or more other operations may be added.
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Abstract
Description
Claims (15)
- 플렉서블 디스플레이를 구비하는 전자 장치로서, 상기 플렉서블 디스플레이는 패턴화된 윈도우를 포함하고,상기 패턴화된 윈도우는, 복수의 패턴화부들을 포함하고,상기 복수의 패턴화부들은 각각 소정의 곡률을 갖는 적어도 3개의 코너(corner)들을 갖고,상기 패턴화된 윈도우의 상측에 형성된 제1 코너는 제1 곡률을 갖고, 상기 패턴화된 윈도우의 하측에 형성된 제2 코너는 제2 곡률을 갖고, 상기 제1 곡률 및 상기 제2 곡률은 상이하게 형성되는, 전자 장치.
- 제1항에 있어서,상기 플렉서블 디스플레이는, 상기 패턴화부들을 포함하는 폴더블 영역과, 상기 패턴화부들이 없는 플랫 영역으로 구분되고,상기 플랫 영역과 상기 폴딩 영역은 언폴딩 상태에서 대략(substantially) 180도의 각도를 갖는 평면을 형성하고, 폴딩 상태에서 대략 0도의 각도로 서로 마주보는, 전자 장치.
- 제1항에 있어서,상기 디스플레이는 보호층 및 하나 이상의 기능층을 더 포함하고,상기 패턴화된 윈도우는 상기 보호층 및 상기 하나 이상의 기능층을 본딩하는 점착 부재를 더 포함하는, 전자 장치.
- 제3항에 있어서,상기 점착 부재는 상기 패턴화된 윈도우를 적어도 부분적으로 둘러싸는, 전자 장치.
- 제3항에 있어서,상기 점착 부재는 상기 패턴화된 윈도우 중 하나의 패턴화부를 전적으로 둘러싸는, 전자 장치.
- 제1항에 있어서,상기 복수의 패턴화부들 중 각각의 패턴화부는, 일 측에 제1 경사면, 타 측에 제2 경사면을 포함하고,상기 제1, 제2 경사면은 상기 패턴화부의 상측에 형성된 코너에 의해 서로에 대해 연결되는, 전자 장치.
- 제6항에 있어서,상기 제1 경사면과 상기 제2 경사면의 기울기는, 상기 복수의 패턴화부들 중 하나의 패턴화부를 형성하기 위해 조사되는 빔의 조사 각도에 기초하여 결정되는, 전자 장치.
- 제6항에 있어서,상기 제1 경사면과 상기 제2 경사면은 대칭적인, 전자 장치.
- 제6항에 있어서,상기 제1 경사면과 상기 제2 경사면은 비대칭적인, 전자 장치.
- 제1항에 있어서,상기 패턴화부들 간의 거리는, 상기 복수의 패턴화부들 중 패턴화부의 제1 코너로부터 소정의 지점까지 감소하되,상기 패턴화부들 간의 거리는, 상기 소정의 지점으로부터 바닥 지점까지는 상기 제2 코너에 형성된 제2 곡률에 상응하게 증가하는, 전자 장치.
- 제10항에 있어서,상기 복수의 패턴화부들 중 하나의 패턴화부의 최상단으로부터 바닥 지점까지의 높이는, 패턴화된 윈도우의 가장자리와 높이가 동일하게 형성되는, 전자 장치.
- 제10항에 있어서,상기 복수의 패턴화부들 중 하나의 패턴화부의 최상단으로부터 바닥 지점까지의 높이는, 패턴화된 윈도우의 가장자리와 높이보다 작게 형성되는, 전자 장치.
- 제1항에 있어서,상기 패턴화부들 간의 거리는, 상기 제2 코너의 제2 곡률이 증가할수록 더 작아지는, 전자 장치.
- 제1항에 있어서,상기 패턴화부들 간의 거리는, 상기 제1 코너의 제1 곡률이 감소할수록 더 작아지는, 전자 장치.
- 제1항에 있어서,상기 제2 곡률은, 상기 제1 곡률이 증가함에 따라 감소하는, 전자 장치.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22937584.5A EP4411700A4 (en) | 2022-04-14 | 2022-12-21 | Electronic device having flexible display module |
| CN202280078472.1A CN118451486A (zh) | 2022-04-14 | 2022-12-21 | 具有柔性显示模块的电子装置 |
| US18/152,467 US12348656B2 (en) | 2022-04-14 | 2023-01-10 | Electronic device having flexible display module |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2022-0046268 | 2022-04-14 | ||
| KR20220046268 | 2022-04-14 | ||
| KR1020220091275A KR20230147496A (ko) | 2022-04-14 | 2022-07-22 | 플렉서블 디스플레이 모듈을 구비한 전자 장치 |
| KR10-2022-0091275 | 2022-07-22 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US18/152,467 Continuation US12348656B2 (en) | 2022-04-14 | 2023-01-10 | Electronic device having flexible display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023200071A1 true WO2023200071A1 (ko) | 2023-10-19 |
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| PCT/KR2022/020961 Ceased WO2023200071A1 (ko) | 2022-04-14 | 2022-12-21 | 플렉서블 디스플레이 모듈을 구비한 전자 장치 |
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| KR20100102921A (ko) * | 2009-03-12 | 2010-09-27 | 주식회사 미뉴타텍 | 표시 장치용 윈도우 패널 및 그 제작 방법 |
| KR20210029268A (ko) * | 2018-09-21 | 2021-03-15 | 엘지전자 주식회사 | 이동 단말기 |
| KR20210085131A (ko) * | 2019-12-30 | 2021-07-08 | 엘지이노텍 주식회사 | 탄성 부재 |
| KR20220013766A (ko) * | 2020-07-27 | 2022-02-04 | 삼성전자주식회사 | 멀티 폴더블 전자 장치 |
| KR20220017583A (ko) * | 2020-08-05 | 2022-02-14 | 삼성전자주식회사 | 폴더블 전자 장치 |
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| KR20100102921A (ko) * | 2009-03-12 | 2010-09-27 | 주식회사 미뉴타텍 | 표시 장치용 윈도우 패널 및 그 제작 방법 |
| KR20210029268A (ko) * | 2018-09-21 | 2021-03-15 | 엘지전자 주식회사 | 이동 단말기 |
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