WO2023274429A1 - 显示设备 - Google Patents

显示设备 Download PDF

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Publication number
WO2023274429A1
WO2023274429A1 PCT/CN2022/119878 CN2022119878W WO2023274429A1 WO 2023274429 A1 WO2023274429 A1 WO 2023274429A1 CN 2022119878 W CN2022119878 W CN 2022119878W WO 2023274429 A1 WO2023274429 A1 WO 2023274429A1
Authority
WO
WIPO (PCT)
Prior art keywords
display panel
middle frame
protective cover
cover
display device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2022/119878
Other languages
English (en)
French (fr)
Inventor
尹青松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Honghe Innovation Information Technology Co Ltd
Original Assignee
Shenzhen Honghe Innovation Information Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Honghe Innovation Information Technology Co Ltd filed Critical Shenzhen Honghe Innovation Information Technology Co Ltd
Priority to US18/011,328 priority Critical patent/US12216245B2/en
Priority to EP22817054.4A priority patent/EP4152302B1/en
Priority to ES22817054T priority patent/ES3062384T3/es
Publication of WO2023274429A1 publication Critical patent/WO2023274429A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14—Protective coatings, e.g. hard coatings
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133331—Cover glasses
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/181—Enclosures
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133311—Environmental protection, e.g. against dust or humidity
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/13332—Front frames
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133325—Assembling processes

Definitions

  • the present application belongs to the field of display devices, and more specifically relates to a display device.
  • a display device also called a monitor, is a device that can output images or touch information.
  • the display screen and the cover glass are two important components in the display device.
  • the display screen is installed in the middle frame of the module and pressed tightly with the module cover.
  • the module cover between the display screen and the cover glass increases the distance between the display screen and the cover glass, which is usually greater than 5mm.
  • the display screen displays images
  • the air over 5mm Layers exist, the display effect of the display screen is affected, the image quality is not ideal, and the excessively large spacing also leads to a thicker overall thickness of the display device.
  • the embodiment of the present application provides a display device to solve the technical problem in the prior art that the distance between the display screen and the cover glass is too large.
  • the technical solution adopted in the embodiment of the present application is to provide a display device, including:
  • the display panel is mounted on one side of the middle frame
  • An annular rib is provided on the side of the middle frame for installing the display panel, the inner peripheral wall of the annular rib is spaced apart from the inner peripheral wall of the middle frame, and the annular rib Surrounded by the middle frame to form an accommodating space, the display panel is limitedly installed in the accommodating space;
  • the cover plate module includes a protective cover plate, the protective cover plate is set on the side of the middle frame with the annular rib, and a first buffer is placed between the protective cover plate and the display panel The protection cover presses and fixes the display panel in the accommodating space through the first cushioning member.
  • the gap between the protective cover and the annular rib is smaller than the thickness of the display panel.
  • the first cushioning member is cushioning foam, and the cushioning foam is arranged along the peripheral edge of the display panel.
  • a second buffer is provided between the middle frame and the display panel, and a third buffer is provided between the annular rib and the display panel.
  • the middle frame and the annular rib are integrated.
  • the cover module further includes a face frame and a cover bead, the face frame surrounds and is fixed on the outer side of the middle frame, and the face frame is provided with a stopper near the edge of the opening of the display panel.
  • the stopper, the cover bead is fixed on the inner peripheral wall of the face frame, and the cover bead cooperates with the stopper to fix the protective cover to the opening of the face frame.
  • the display device further includes a backplane, and the middle frame and the cover module are both fixed on the same side of the backplane.
  • a filter strip is laid between the stopper portion and the protective cover, and a fourth buffer is laid between the cover bead and the protective cover.
  • the cover plate pressure strip includes a pressing plate, a mounting plate and a connecting plate, the pressing plate and the installing plate are respectively connected to both ends of the connecting plate and arranged on both sides of the connecting plate, so The mounting plate is fixed on the end face of the face frame away from the protective cover.
  • the middle frame is arranged on the end surface of the annular rib, and an avoidance notch corresponding to the cover bead is formed in a depression along the outer edge of the end surface, and the inner peripheral wall of the surface frame It is spaced apart from the wall surface of the escape notch, and the pressing plate is located in the space.
  • the beneficial effect of the display device provided by the embodiment of the present application is that: compared with the prior art, the display device provided by the embodiment of the present application includes a display panel, a middle frame and a cover module, and one side of the middle frame is provided with a A ring-shaped rib is formed around the accommodation space, and the display panel is accommodated in the accommodation space for limit and fixation.
  • the cover plate module includes a protective cover plate, and the protective cover plate presses and fixes the display panel through the first buffer In the accommodating space, the assembly process is simplified. Since the display panel is directly pressed and fixed through the protective cover, this avoids the parts designed separately for fixing the display panel, which greatly reduces the display panel and protection.
  • the distance between the cover plates improves the display effect of the display device and optimizes the image quality; at the same time, it also effectively reduces the weight and thickness of the display device, bringing better user experience to users.
  • FIG. 1 is a schematic cross-sectional structure diagram of a display device provided by an embodiment of the present application
  • Fig. 2 is the enlarged view of place A in Fig. 1;
  • FIG. 3 is a schematic diagram of the positional relationship between the display panel and the first buffer used in the embodiment of the present application;
  • FIG. 4 is an enlarged view of B in FIG. 3 .
  • Cover plate module 410. Protective cover plate; 420. Surface frame; 421. Stopper; 430. Cover plate bead; 431. Lamination plate; 432. Installation plate; 433. Connecting plate; 440. Filter strip ; 450, the fourth buffer piece;
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features.
  • “plurality” means two or more, unless otherwise specifically defined.
  • the display panel is installed in the middle frame and pressed with a module cover.
  • the distance between the display screen and the cover glass is relatively large, usually greater than 5mm.
  • the display screen displays images, due to the presence of an air layer exceeding 5mm, the display effect of the display screen is affected, and the image quality is not good. Ideal, and the excessively large spacing also leads to a thicker overall thickness of the display device.
  • the display device includes a display panel 10 , a middle frame 20 , an annular rib 30 and a cover module 40
  • the display panel 10 is installed on one side of the middle frame 20;
  • the ring rib 30 is arranged on the side of the middle frame 20 for installing the display panel 10, and the inner peripheral wall of the ring rib 30 and the inner peripheral wall of the middle frame 20 Set at intervals, the annular rib 30 and the middle frame 20 are surrounded to form an accommodating space 310, and the display panel 10 is limitedly installed in the accommodating space 310;
  • the cover module 40 includes a protective cover 410, and the protective cover 410 covers Located on the side of the middle frame 20 with the ring-shaped rib 30 , a first buffer 60 is placed between the protective cover 410 and the display panel 10 , and the protective cover 410 presses and fixes the display panel 10 through the first buffer 60 in the accommodation space 310 .
  • the display device provided by the embodiment of the present application compared with the prior art, the display device provided by the embodiment of the present application includes a display panel 10, a middle frame 20, an annular rib 30 and a cover module 40, one of the middle frame 20 The side is provided with an annular rib 30 surrounding the middle frame 20 to form an accommodating space 310.
  • the display panel 10 is accommodated in the accommodating space 310 for limit and fixation.
  • the cover module 40 includes a protective cover 410 to protect the The cover plate 410 compresses and fixes the display panel 10 in the accommodation space 310 through the first buffer member 60, which simplifies the assembly process.
  • the components designed to fix the display panel 10 greatly reduce the distance between the display panel 10 and the protective cover 410, improve the display effect of the display device, and optimize the image quality; at the same time, it also effectively reduces the Displays the weight and thickness of the device, bringing users a better experience.
  • the first buffer member 60 between the protective cover 410 and the display panel 10 when the first buffer member 60 between the protective cover 410 and the display panel 10 is subjected to excessive pressure, its thickness will become thinner.
  • the gap 50 is too large, there is a situation where the display panel 10 breaks away from the accommodating space 310 and enters the gap 50 between the protective cover 410 and the annular rib 30, and the display panel 10 may be blocked by the protective cover 410 and the annular rib. 30 damage due to extrusion.
  • the gap 50 between the protective cover 410 and the annular rib 30 is smaller than the thickness of the display panel 10 .
  • the gap 50 is to avoid the rigid contact between the annular rib 30 and the protective cover 410; , there is a possibility of slight deformation, therefore, the gap 50 can also provide a certain deformation space for the middle frame 20 , the annular rib 30 or the protective cover 410 .
  • the size of the gap 50 between the protective cover 410 and the annular rib 30 is smaller than the thickness of the display panel 10, so that the display panel 10 cannot leave the accommodating space 310 to enter the protective cover 410 and the annular rib 30 under any circumstances.
  • the display panel 10 is sufficiently protected; at the same time, the size of the gap 50 between the protective cover 410 and the annular rib 30 is smaller than the thickness of the display panel 10, and the display panel can also be
  • the distance between 10 and the protective cover 410 is shortened, thereby reducing the thickness of the air layer, improving the display effect of the display device, and optimizing the image quality.
  • the gap 50 between the protective cover plate 410 and the annular rib 30 is less than 1.5mm.
  • FIG. 1 and FIG. 2 there is an air layer between the display panel 10 and the protective cover 410, and the thickness of the first buffer member 60 in a natural state is greater than the thickness of the air layer after the protective cover 410 is assembled, and also That is, after the protective cover 410 is assembled, the first cushioning member 60 is squeezed inside by the display panel 10 and the protective cover 410, so that the first buffering member 60 can play a sealing role to prevent external dust or water vapor from entering air layer.
  • the first cushioning member 60 is cushioning foam, and the cushioning foam is disposed along the peripheral edge of the display panel 10 .
  • cushioning foam has a series of advantages such as elasticity, light weight, fast pressure-sensitive fixation, convenient use, free bending, ultra-thin volume, and reliable performance.
  • the distance between the air layers is 0.8mm, and the thickness of the buffer foam needs to be greater than 0.8mm, so as to ensure that after the cover module 40 and the middle frame 20 are assembled, the buffer foam can be protected by the display panel 10 and the thickness direction. Extrusion of cover plate 410 .
  • the above-mentioned buffer foam can be bonded between the protective cover 410 and the display panel 10 , or squeezed and fixed between the protective cover 410 and the display panel 10 .
  • the fixing method of the buffer foam between the protective cover 410 and the display panel 10 is selected according to actual needs, and is not limited here.
  • a second buffer member 70 is placed between the middle frame 20 and the display panel 10
  • a third buffer member is placed between the annular rib 30 and the display panel 10 80.
  • the second buffer member 70 is placed between the middle frame 20 and the display panel 10 , which can avoid the display panel 10 being damaged due to the rigid contact between the display panel 10 and the middle frame 20 .
  • the side of the middle frame 20 close to the display panel 10 is provided with a groove for engaging the second buffer member 70, and part of the second buffer member 70 is engaged in the groove to prevent the second buffer member 70 from being caught in the middle frame. 20 moves laterally with the display panel 10 and separates from the middle frame 20 .
  • the third buffer member 80 is placed between the ring-shaped rib 30 and the display panel 10 , so that the display panel 10 can be prevented from being damaged due to the rigid contact between the display panel 10 and the ring-shaped rib 30 .
  • both the second buffer member 70 and the third buffer member 80 are soft rubber or silicone strips, so as to achieve better buffering and shock absorption effects.
  • the middle frame 20 and the annular rib 30 are integrated.
  • the middle frame 20 and the annular rib 30 are integrated, which can strengthen the overall structural strength on the one hand, and reduce the installation steps of the display device on the other hand.
  • the middle frame 20 may also be a combined structure assembled together; the specific structure of the middle frame 20 is selected according to actual product needs, and no unique limitation is made here.
  • the cover module 40 further includes a face frame 420 and a cover bead 430 , the face frame 420 surrounds and is fixed on the outer side of the middle frame 20 , and the face frame 420 is close to the display panel.
  • the edge of the opening of 10 is provided with a stopper 421
  • the inner peripheral wall of the surface frame 420 is fixed with a cover bead 430
  • the cover bead 430 cooperates with the stopper 421 to fix the protective cover 410 on the opening of the face frame 420 .
  • the protective cover 410 is clamped and fixed by the surface frame 420 and the cover bead 430, and the surface frame 420, the protective cover 410 and the cover bead 430 are combined into a cover module 40, and the staff can first install the After the cover module 40 is assembled, the display panel 10 is pressed into the middle frame 20 through the entire cover module 40 , which improves the assembly efficiency of the display device.
  • the display device further includes a backplane 90 , and the middle frame 20 and the cover module 40 are fixed on the same side of the backplane 90 .
  • the front frame 420 and the middle frame 20 of the cover module 40 are both fixed on the same side of the back plate 90 so as to surround and fix the front frame 420 to the outer side of the middle frame 20 .
  • the display device also includes an optical film.
  • the staff When installing, the staff first puts the cavity of the backplane 90 upwards, puts in the optical diaphragm, then uses the middle frame 20 to press the optical diaphragm into the cavity of the backplane 90, and then fixes the middle frame 20 on the backplane 90 , which completes the assembly of the middle frame 20 and the back plate 90; the second cushioning member 70 is clamped in the groove of the middle frame 20, and the third buffering member 80 is attached to the inner side of the ring rib 30
  • the display panel 10 is embedded in the built-in space enclosed by the middle frame 20 and the ring rib 30, which completes the assembly of the display panel 10 and the middle frame 20; the first buffer member is placed on the edge of the display panel 10 60, and then use the entire cover module 40 to press the display panel 10 and the first buffer member 60 inside, and then the cover module 40 is fixedly connected to the back plate 90, and the installation of the display device is completed.
  • buffer foam is also arranged between the middle frame 20 and the optical film to prevent the middle frame 20 from scratching the optical film.
  • a filter strip 440 is placed between the stopper part 421 and the protective cover 410 , and a The fourth buffer piece 450 .
  • the protective cover 410 of the display device is generally glass.
  • both surfaces of the glass are not in contact with the stopper portion 421 and the cover bead 430 , so that the glass can be prevented from being scratched by the stopper portion 421 and the cover bead 430 .
  • the cover module 40 also includes an infrared board.
  • the front frame 420 is composed of four strip structures, the inside of the strip structure is provided with a slot along its length, and the surface of the stopper 421 close to the protective cover 410 is provided with a dovetail along the length direction. slot or T-shaped slot; the infrared board is positioned through the card slot and inserted into the strip-shaped structure from either end, and the filter strip 440 is inserted from either end of the dovetail slot or the T-shaped slot.
  • the four strip structures are respectively assembled with the infrared plate and the filter strip 440 , they are then assembled into a whole frame 420 .
  • the cover plate pressing strip 430 includes a pressing plate 431, a mounting plate 432 and a connecting plate 433, and the pressing plate 431 and the installing plate 432 are respectively connected to two ends of the connecting plate 433
  • the mounting plate 432 is fixed on the end surface of the surface frame 420 facing away from the protective cover 410 .
  • the mounting plate 432 of the cover bezel 430 is locked on the end surface of the face frame 420 away from the protective cover 410 through screws, so that the cover bead 430 can cooperate with the stopper part 421 of the face frame 420 to clamp stably. Hold the protective cover 410.
  • the cover plate bead 430 can also be in an "L" shape, one side of which is attached to the inner surface of the surface frame 420 and locked by screws, and the other side is connected to the stop portion 421 of the surface frame 420 Cooperate with each other to clamp the protective cover 410 .
  • the specific structural design of the cover bead 430 is selected according to actual product needs, and is not limited here.
  • cover bead 430 can be arranged as a complete circle, or as a plurality of segmented structures distributed along the inner peripheral surface of the surface frame 420 .
  • the specific structure of the cover bead 430 is selected according to actual product requirements, and is not limited here.
  • a relief corresponding to the cover bead 430 is formed along the outer edge of the end face.
  • the notch 210, the inner peripheral wall of the surface frame 420 and the wall surface of the escape notch 210 are spaced apart, and the pressing plate 431 is located in the space.
  • the pressing plate 431 will not be stacked with the annular rib 30 and the protective cover 410 , but will be located on the outer side of the annular rib 30 , further reducing the thickness of the display device.
  • cover bead 430 is "L" shaped, its side affixed to the inner side of the face frame 420 and the screws for locking can be placed in the gap, which is beneficial to reduce the thickness of the display device.
  • the display panel 10 includes a display area 110 in the middle and a frame area 120 on the outer edge, and the buffer foam is of a split structure (usually two long and two short) and attached to it. fit within the frame area 120.
  • the distance between the buffer foam in the short frame area 120 and the display area 110 is h 1
  • the distance between the buffer foam in the long frame area 120 and the display area 110 is h 2
  • h 1 and The sizes of h 2 are all larger than 1.5 mm, so as to prevent the buffer foam from wearing the display area 110 .
  • the joints of the four buffer foams are tightly connected without gaps, and the width of the buffer foam ensures that the outer edge does not exceed the outer edge of the display screen after assembly.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种显示设备，属于显示设备技术领域，显示设备包括显示面板（10）、中框（20）、环状挡边（30）以及盖板模组（40）；显示面板（10）安装于中框（20）的一侧面上；环状挡边（30）设于中框（20）的用于安装显示面板（10）的侧面上，环状挡边（30）的内周壁与中框（20）的内周壁之间间隔设置，环状挡边（30）与中框（20）形成容置空间（310）,显示面板（10）限位安装于容置空间（310）内；盖板模组（40）包括保护盖板（410）,保护盖板（410）盖设于中框（20）具有环状挡边（30）的一侧，保护盖板（410）与显示面板（10）之间放置有第一缓冲件（60）,保护盖板（410）通过第一缓冲件（60）将显示面板（10）挤压固定在容置空间（310）内。

Description

显示设备
相关申请的交叉引用
本申请要求于2022年05月24日递交的、申请号为202221262300.3的中国专利申请的优先权，其全部内容通过引用的方式并入本文。
技术领域
本申请属于显示设备领域，更具体地说，是涉及一种显示设备。
背景技术
显示设备也称为显示器，是一种可输出图像或感触信息的设备。显示屏幕和盖板玻璃是显示设备中重要的两个零部件，现有技术中，显示屏幕安装在模组中框内并用模组盖板压紧。
但是，现有技术中，显示屏幕和盖板玻璃之间的模组盖板加大了显示屏幕和盖板玻璃之间的距离，通常大于5mm，当显示屏幕显示图像时，由于超过5mm的空气层存在，显示屏幕的显示效果受到影响，图像质量不理想，且过大的间距也导致显示设备的整机厚度较厚。
发明内容
本申请实施例提供了一种显示设备，以解决现有技术中存在的显示屏幕和盖板玻璃间距过大的技术问题。
为实现上述目的，本申请实施例采用的技术方案是：提供一种显示设备，包括：
显示面板；
中框，所述显示面板安装于所述中框的一侧面上；
环状挡边，设于所述中框用于安装所述显示面板的侧面上，所述环状挡边的内周壁与所述中框的内周壁之间间隔设置，所述环状挡边与所述中框围设形成容置空间，所述显示面板限位安装于所述容置空间内；以及
盖板模组，包括保护盖板，所述保护盖板盖设于所述中框具有所述环状挡边的一侧，所述保护盖板与所述显示面板之间放置有第一缓冲件，所述保护盖板通过所述第一缓冲件将所述显示面板挤压固定在所述容置空间内。
可选地，所述保护盖板与所述环状挡边之间的间隙小于所述显示面板的厚度。
可选地，所述第一缓冲件为缓冲泡棉，所述缓冲泡棉沿所述显示面板的周向边缘设置。
可选地，所述中框与所述显示面板之间垫设有第二缓冲件，所述环状挡边与所述显示面板之间垫设有第三缓冲件。
可选地，所述中框和所述环状挡边呈一体式。
可选地，所述盖板模组还包括面框和盖板压条，所述面框环绕并固定于所述中框的外侧部，所述面框靠近所述显示面板的开口边缘设置有止挡部，所述盖板压条固定于所述面框的内周壁，所述盖板压条与所述止挡部相互配合以将所述保护盖板固定于所述面框的开口处。
可选地，所述显示设备还包括背板，所述中框和所述盖板模组均固定于所述背板的同一侧面上。
可选地，所述止挡部与所述保护盖板之间垫设有滤光条，所述盖板压条与所述保护盖板之间垫设有第四缓冲件。
可选地，所述盖板压条包括压合板、安装板和连接板，所述压合板和所述安装板分别连接于所述连接板的两端且分设于所述连接板的两侧，所述安装板固定于所述面框背离所述保护盖板的端面上。
可选地，在所述中框设于所述环状挡边的端面上，沿所述端面的外侧边缘 凹陷形成有与所述盖板压条对应设置的避让缺口，所述面框的内周壁与所述避让缺口的壁面间隔设置，所述压合板位于所述间隔内。
本申请实施例提供的显示设备的有益效果在于：与现有技术相比，本申请实施例提供的显示设备包括显示面板、中框和盖板模组，中框的一侧设置有与中框围设形成容置空间的环状挡边，显示面板容置在容置空间内来进行限位固定，盖板模组包括保护盖板，保护盖板通过第一缓冲件将显示面板挤压固定在容置空间内，简化了组装工艺，由于显示面板是直接通过保护盖板进行压合固定的，这就避免了单独设计用于固定显示面板的零部件，极大地减小了显示面板与保护盖板之间的间距，提高了显示设备的显示效果，优化了图像质量；同时，还有效地减小了显示设备的重量和厚度，给用户带来了更好的使用体验。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的显示设备的剖视结构示意图；
图2为图1中A处的放大图；
图3为本申请实施例所采用的显示面板与第一缓冲件的位置关系示意图；
图4为图3中B处的放大图。
其中，图中各附图标记：
10、显示面板；110、显示区域；120、边框区域；
20、中框；210、避让缺口；
30、环状挡边；310、容置空间；
40、盖板模组；410、保护盖板；420、面框；421、止挡部；430、盖板压条；431、压合板；432、安装板；433、连接板；440、滤光条；450、第四缓冲 件；
50、间隙；60、第一缓冲件；70、第二缓冲件；80、第三缓冲件；90、背板。
具体实施方式
为了使本申请所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者间接在该另一个元件上。当一个元件被称为是“连接于”另一个元件，它可以是直接连接到另一个元件或间接连接至该另一个元件上。
需要理解的是，术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
正如背景技术中所记载的，请参阅图1，现有技术中，显示面板安装在中框内并用模组盖板压紧。但是，现有技术中，显示屏幕和盖板玻璃之间的距离比较大，通常大于5mm，当显示屏幕显示图像时，由于超过5mm的空气层存在，显示屏幕的显示效果受到影响，图像质量不理想，且过大的间距也导致显示设备的整机厚度较厚。
为了解决上述问题，本申请的实施例提供了一种显示设备，请一并参阅图1和图2，该显示设备包括显示面板10、中框20、环状挡边30以及盖板模组40；显示面板10安装于中框20的一侧面上；环状挡边30设于中框20用于安装显示面板10的侧面上，环状挡边30的内周壁与中框20的内周壁之间间隔设置，环状挡边30与中框20围设形成容置空间310，显示面板10限位安装于容置空间310内；盖板模组40包括保护盖板410，保护盖板410盖设于中框20具有环状挡边30的一侧，保护盖板410与显示面板10之间放置有第一缓冲件60，保护盖板410通过第一缓冲件60将显示面板10挤压固定在容置空间310内。
本申请实施例提供的显示设备，与现有技术相比，本申请实施例提供的显示设备包括显示面板10、中框20、环状挡边30和盖板模组40，中框20的一侧设置有与中框20围设形成容置空间310的环状挡边30，显示面板10容置在容置空间310内来进行限位固定，盖板模组40包括保护盖板410，保护盖板410通过第一缓冲件60将显示面板10挤压固定在容置空间310内，简化了组装工艺，由于显示面板10是直接通过保护盖板410进行压合固定的，这就避免了单独设计用于固定显示面板10的零部件，极大地减小了显示面板10与保护盖板410之间的间距，提高了显示设备的显示效果，优化了图像质量；同时，还有效地减小了显示设备的重量和厚度，给用户带来了更好的使用体验。
在其他的实施例中，由于保护盖板410和显示面板10之间的第一缓冲件60受到过大压力时，其厚度会变薄，如果保护盖板410与环状挡边30之间的间隙50过大时，就存在显示面板10脱离容置空间310进入保护盖板410与环状挡边30之间的间隙50的情况，显示面板10就可能被保护盖板410与环状挡边30挤压而造成损坏。
在一个实施例中，请参阅图1和图2，保护盖板410与环状挡边30之间的间隙50小于显示面板10的厚度。
在此需要说明的是，间隙50一方面是为了避免环状挡边30和保护盖板410 刚性接触；另一方面，由于中框20、环状挡边30和保护盖板410的面积较大，存在微弱变形的可能，因此，间隙50还可以向中框20、环状挡边30或保护盖板410提供一定的形变空间。
通过如上设置，保护盖板410与环状挡边30之间的间隙50大小小于显示面板10的厚度，使得显示面板10无论何种情况都无法脱离容置空间310进入保护盖板410与环状挡边30之间的间隙50内，对显示面板10起到足够的保护；同时，保护盖板410与环状挡边30之间的间隙50大小小于显示面板10的厚度，还可以将显示面板10与保护盖板410的距离拉近，进而减小了空气层的厚度，提高了显示设备的显示效果，优化了图像质量。
具体的，假设显示面板10厚度为1.5mm，则保护盖板410与环状挡边30之间的间隙50小于1.5mm。
具体的，请参阅图1和图2，显示面板10和保护盖板410之间为空气层，第一缓冲件60自然状态下的厚度大于保护盖板410组装完成后的空气层的厚度，也即保护盖板410组装完成后，第一缓冲件60是被显示面板10和保护盖板410挤压在内的，如此，第一缓冲件60可以起到密封作用，防止外部的灰尘或水汽进入空气层。
在一个实施例中，请参阅图1和图2，第一缓冲件60为缓冲泡棉，缓冲泡棉沿显示面板10的周向边缘设置。
通过如上设置，盖板模组40和中框20组装完毕后，缓冲泡棉在厚度方向受到显示面板10和保护盖板410的挤压，可以达到更好的密封效果，更好地防止灰尘或水汽进入空气层。具体的，缓冲泡棉具有有弹性、重量轻、快速压敏固定、使用方便、弯曲自如、体积超薄、性能可靠等一系列优点。
具体的，假设空气层间距为0.8mm，且缓冲泡棉的厚度需要大于0.8mm，以确保盖板模组40和中框20组装完毕后，缓冲泡棉能够在厚度方向受到显示面板10和保护盖板410的挤压。
可以理解的是，上述的缓冲泡棉既可以是粘接在保护盖板410与显示面板 10之间的，也可以是挤压固定在保护盖板410与显示面板10之间的。缓冲泡棉的在保护盖板410与显示面板10之间的固定方式根据实际需要进行选择，在此不做唯一限定。
在一个实施例中，请参阅图1和图2，中框20与显示面板10之间垫设有第二缓冲件70，环状挡边30与显示面板10之间垫设有第三缓冲件80。
通过如上设置，在中框20与显示面板10之间垫设第二缓冲件70，可以避免显示面板10与中框20之间刚性接触而损坏显示面板10。
进一步地，中框20靠近显示面板10的侧面上开设有用于卡接第二缓冲件70的凹槽，部分第二缓冲件70卡接于凹槽内，以避免第二缓冲件70在中框20与显示面板10之间横向移动而脱离中框20。
通过如上设置，在环状挡边30与显示面板10之间垫设第三缓冲件80，可以避免显示面板10与环状挡边30之间刚性接触而损坏显示面板10。
在其他的实施例中，第二缓冲件70和第三缓冲件80均为软质橡胶或硅胶条，以达到更好的缓冲减震效果。
在另一个实施例中，中框20和环状挡边30呈一体式。
通过如上设置，中框20和环状挡边30呈一体式，一方面可以加强整体的结构强度，另一方面可以减少显示设备的安装步骤。
当然，中框20也可以是拼合而成的组合式结构；中框20的具体结构根据实际产品需要进行选择，在此不做唯一限定。
在一些实施例中，请参阅图1和图2，盖板模组40还包括面框420和盖板压条430，面框420环绕并固定于中框20的外侧部，面框420靠近显示面板10的开口边缘设置有止挡部421，面框420的内周壁固定有盖板压条430，盖板压条430与止挡部421相互配合以将保护盖板410固定于面框420的开口处。
通过如上设置，保护盖板410是被面框420和盖板压条430夹持固定的，面框420、保护盖板410和盖板压条430组合成盖板模组40，工作人员就可以先将盖板模组40组装好，再通过整个盖板模组40将显示面板10压合在中框 20内，提高了显示设备的组装效率。
在一个具体的实施例中，请参阅图1和图2，显示设备还包括背板90，中框20和盖板模组40均固定于背板90的同一侧面上。
具体的，是盖板模组40的面框420和中框20均固定于背板90的同一侧面上，以将面框420环绕并固定于中框20的外侧部。
进一步地，显示设备还包括光学膜片。
工作人员在安装时，先将背板90腔体朝上，放入光学膜片，再用中框20将光学膜片压紧在背板90腔体内后将中框20固定在背板90上，这就完成了中框20与背板90的组装；将第二缓冲件70卡接在中框20的凹槽内，将第三缓冲件80贴合在环状挡边30的内侧部的同时，将显示面板10嵌入中框20与环状挡边30围合形成的内置空间内，这就完成了显示面板10与中框20的组装；在显示面板10的边缘放置好第一缓冲件60，再用整个盖板模组40将显示面板10和第一缓冲件60压合在内，盖板模组40再与背板90固定连接，就完成了显示设备的安装。
更进一步地，中框20与光学膜片之间也设置有缓冲泡棉，以防止中框20划伤光学膜片。
在另一个具体的实施例中，请参阅图1和图2，止挡部421与保护盖板410之间垫设有滤光条440，盖板压条430与保护盖板410之间垫设有第四缓冲件450。
在此需要说明的是，显示设备的保护盖板410一般为玻璃。
通过如上设置，玻璃的两个面均不与止挡部421和盖板压条430接触，可以避免玻璃被止挡部421和盖板压条430划伤。
当然，在其他的实施例中，盖板模组40还包括红外板。此时，面框420是由四个条状结构拼合而成的，条状结构的内部沿其长度方向设置有卡槽，止挡部421靠近保护盖板410的面上沿长度方向设置有燕尾槽或T型槽；红外板通过卡槽定位并从条状结构的任一端插入条状结构内，滤光条440从燕尾槽或 T型槽的任一端插入。四个条状结构分别组装好红外板和滤光条440后，再拼装成一个整体面框420。
在另一个具体的实施例中，请参阅图1和图2，盖板压条430包括压合板431、安装板432和连接板433，压合板431和安装板432分别连接于连接板433的两端且分设于连接板433的两侧，安装板432固定于面框420背离保护盖板410的端面上。
具体的，盖板压条430的安装板432通过螺钉锁紧在面框420背离保护盖板410的端面上，以便于盖板压条430能够与面框420的止挡部421相互配合，稳定地夹持保护盖板410。
当然，在其他的实施例中，盖板压条430也可以成“L”型，其一边贴合在面框420的内侧面并通过螺钉锁紧，其另一边与面框420的止挡部421相互配合，夹持住保护盖板410。盖板压条430的具体结构设计根据实际产品需要进行选择，在此不做唯一限定。
在此需要说明的是，盖板压条430可以设置为一整圈，或者沿面框420内周面分布的多个段状结构。盖板压条430的具体结构根据实际产品需要进行选择，在此不做唯一限定。
在一个更为具体的实施例中，请参阅图1和图2，在中框20设有环状挡边30的端面上，沿端面的外侧边缘凹陷形成有与盖板压条430对应设置的避让缺口210，面框420的内周壁与避让缺口210的壁面间隔设置，压合板431位于间隔内。
如此，压合板431就不会同环状挡边30和保护盖板410层叠设置，而是会处于环状挡边30的外侧部，进一步减小了显示设备的厚度。
进一步地，如若盖板压条430为“L”型，则其贴合在面框420内侧面的一边和用于锁紧的螺钉均可以置于间隔内，有利于减少显示设备的厚度。
在其他的实施例中，请参阅图3和图4，显示面板10包括中部的显示区域110和外圈边缘的边框区域120，缓冲泡棉为分体式结构(通常为两长两短)且 贴合在边框区域120内。
具体的，在短边的边框区域120内的缓冲泡棉与显示区域110的距离为h 1，在长边的边框区域120内的缓冲泡棉与显示区域110的距离为h 2，h 1和h 2的大小均大于1.5mm，以避免缓冲泡棉磨损显示区域110。
具体的，四条缓冲泡棉连接处紧密连接，不留缝隙，缓冲泡棉宽度确保组装后外边缘不超出显示屏幕外边缘。
以上所述仅为本申请的实施例，并不用以限制本申请，凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种显示设备，包括：
    显示面板(10)；
    中框(20)，所述显示面板(10)安装于所述中框(20)的侧面上；
    环状挡边(30)，设于所述中框(20)用于安装所述显示面板(10)的侧面上，所述环状挡边(30)的内周壁与所述中框(20)的内周壁之间间隔设置，所述环状挡边(30)与所述中框(20)围设形成容置空间(310)，所述显示面板(10)限位安装于所述容置空间(310)内；以及
    盖板模组(40)，包括保护盖板(410)，所述保护盖板(410)盖设于所述中框(20)具有所述环状挡边(30)的一侧，所述保护盖板(410)与所述显示面板(10)之间放置有第一缓冲件(60)，所述保护盖板(410)通过所述第一缓冲件(60)将所述显示面板(10)挤压固定在所述容置空间(310)内。
  2. 如权利要求1所述的显示设备，其中所述保护盖板(410)与所述环状挡边(30)之间的间隙(50)小于所述显示面板(10)的厚度。
  3. 如权利要求1所述的显示设备，其中所述第一缓冲件(60)为缓冲泡棉，所述缓冲泡棉沿所述显示面板(10)的周向边缘设置。
  4. 如权利要求1所述的显示设备，其中所述中框(20)与所述显示面板(10)之间垫设有第二缓冲件(70)，所述环状挡边(30)与所述显示面板(10)之间垫设有第三缓冲件(80)。
  5. 如权利要求1所述的显示设备，其中所述中框(20)和所述环状挡边(30)呈一体式。
  6. 如权利要求1-5任一项所述的显示设备，其中所述盖板模组(40)还包括面框(420)和盖板压条(430)，所述面框(420)环绕并固定于所述中框(20)的外侧部，所述面框(420)靠近所述显示面板(10)的开口边缘设置有止挡部(421)，所述盖板压条(430)固定于所述面框(420)的内周壁，所述盖板压 条(430)与所述止挡部(421)相互配合以将所述保护盖板(410)固定于所述面框(420)的开口处。
  7. 如权利要求6所述的显示设备，还包括背板(90)，所述中框(20)和所述盖板模组(40)均固定于所述背板(90)的同一侧面上。
  8. 如权利要求6所述的显示设备，其中所述止挡部(421)与所述保护盖板(410)之间垫设有滤光条(440)，所述盖板压条(430)与所述保护盖板(410)之间垫设有第四缓冲件(450)。
  9. 如权利要求6所述的显示设备，其中所述盖板压条(430)包括压合板(431)、安装板(432)和连接板(433)，所述压合板(431)和所述安装板(432)分别连接于所述连接板(433)的两端且分设于所述连接板(433)的两侧，所述安装板(432)固定于所述面框(420)背离所述保护盖板(410)的端面上。
  10. 如权利要求9所述的显示设备，其中在所述中框(20)设于所述环状挡边(30)的端面上，沿所述端面的外侧边缘凹陷形成有与所述盖板压条(430)对应设置的避让缺口(210)，所述面框(420)的内周壁与所述避让缺口(210)的壁面间隔设置，所述压合板(431)位于所述间隔内。
PCT/CN2022/119878 2022-05-24 2022-09-20 显示设备 Ceased WO2023274429A1 (zh)

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US18/011,328 US12216245B2 (en) 2022-05-24 2022-09-20 Display device having high image quality
EP22817054.4A EP4152302B1 (en) 2022-05-24 2022-09-20 Display device
ES22817054T ES3062384T3 (en) 2022-05-24 2022-09-20 Display device

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CN202221262300.3U CN217902627U (zh) 2022-05-24 2022-05-24 显示设备
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US20240118457A1 (en) 2024-04-11
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EP4152302A1 (en) 2023-03-22
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