WO2020111642A1 - Module de type séparation de fenêtre d'un dispositif d'affichage vers lequel et à partir duquel une fenêtre détachable est attachée et détachée - Google Patents

Module de type séparation de fenêtre d'un dispositif d'affichage vers lequel et à partir duquel une fenêtre détachable est attachée et détachée Download PDF

Info

Publication number
WO2020111642A1
WO2020111642A1 PCT/KR2019/015943 KR2019015943W WO2020111642A1 WO 2020111642 A1 WO2020111642 A1 WO 2020111642A1 KR 2019015943 W KR2019015943 W KR 2019015943W WO 2020111642 A1 WO2020111642 A1 WO 2020111642A1
Authority
WO
WIPO (PCT)
Prior art keywords
detachable
window
layer
module
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/KR2019/015943
Other languages
English (en)
Korean (ko)
Inventor
김영수
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.)
Maxgen Technology Co Ltd
Original Assignee
Maxgen 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
Priority claimed from KR1020190147368A external-priority patent/KR102241233B1/ko
Application filed by Maxgen Technology Co Ltd filed Critical Maxgen Technology Co Ltd
Publication of WO2020111642A1 publication Critical patent/WO2020111642A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

Definitions

  • the present invention relates to a window detachable module of a display device, and more particularly, to a window detachable module of a display device that allows a detachable window to be detached.
  • a display device such as a liquid crystal display (LCD), an organic light emitting diode (OLED), and an electrophoretic display device (EPD) forms a screen.
  • LCD liquid crystal display
  • OLED organic light emitting diode
  • EPD electrophoretic display device
  • a touch screen to provide convenience of operation.
  • a window made of tempered glass or transparent polymer resin is disposed on the front of the touch screen. The window protects the display device from external impact or damage caused by contact.
  • the window is fixed by being adhered to the touch screen with a transparent adhesive (OCA) or UV curing adhesive.
  • OCA transparent adhesive
  • UV curing adhesive UV curing adhesive
  • FIG. 1 and 2 are cross-sectional views schematically showing typical examples of a display device to which a conventional touch screen is applied.
  • the display device includes a curved device as well as a flat one.
  • a conventional display device has a structure in which a touch screen 2 and a window 3 are sequentially stacked on a display 1 such as an LCD or OLED.
  • the adhesive layer 4 may be formed between the display 1 and the touch screen 2 and the touch screen 2 and the window 3 as shown in FIG. 1.
  • the adhesive layer 4 may bond the touch screen 2 and the window 3 as shown in FIG. 2.
  • a conductive pattern (not shown) of the touch screen 2 is formed on the display 1.
  • the conventional window 3 is high hardness and occupies a relatively large proportion in the display in terms of price.
  • the display device manufactured by adhesion has the following problems. It is often the case that the window 3 is damaged or the window 3 is replaced for another reason. To replace the window 30, first, the window 3 that needs to be replaced is removed. After manufacturing a new window, for adhesion between the new window and the touch screen 2, it is glued to either side with an adhesive. Users cannot do this.
  • the adhesive strength of the adhesive layer 4 is about 1,000 gf/25 mm or more, and 1,500 gf/25 mm or more is common.
  • the thickness of the adhesive layer 4 is mostly applied to 10 ⁇ m to 250 ⁇ m. It is difficult to completely remove the adhesive layer 4 of the touch screen 2 without residue, so it is replaced at a service center.
  • the service center replaces the entire module consisting of the window 3 / touch screen 2 or the window 3 / touch screen 2 / display 1. That is, it can be solved by replacing only the window 3, but since the entire module needs to be replaced, the economical burden of users and producers is increased. Accordingly, there is a need for a method in which a user can replace only the window 3 by themselves without requesting only the window 3 to the service center. Further, even if the window 3 is not damaged, it may be replaced by a user's preference or the like, but it has not been realized yet.
  • the problem to be solved by the present invention is to provide a window-separated module of a display device that replaces only a window that is damaged or needs to be replaced, and the user can simply replace the window by himself.
  • the window detachable module of the display device to which the detachable window is detachable includes a module element to which the detachable window is detachable, the modal element comprises a front cover, and a detachable layer or adhesion control on the front cover Any one of the layers is applied.
  • a main body element may be coupled to the module element.
  • the body element may be at least one selected from a touch screen, a display, a back cover, a waterproof film, a coupling means, and an assembly means.
  • the display may be a 2D, 2.5D, 3D, flexible, foldable, rollable flat or curved surface, or a mixture of them.
  • the detachable window includes a transparent sheet, the detachable layer is laminated on the transparent sheet, and the adhesion control layer can be formed on the front cover.
  • the desorption layer may be a desorption pattern in the form of a pattern formed by treatment of curing, corona, vapor deposition or plasma, or a combination thereof.
  • the detachable pattern may be formed in a strip shape, a lattice shape, an island shape, a fence shape, or a combination thereof.
  • the detachable pattern may be implemented as a letter, logo, mark or image.
  • the adhesion control layer is a hard coat layer, a digital printing layer, a coating layer for controlling the contact angle, a deposition layer, a fine uneven layer including fine unevenness or a surface modification layer, in the form of a pattern It may be an adhesive control pattern.
  • the adhesion control pattern may be formed in a strip shape, a grid shape, an island shape, a fence shape, or a combination of these.
  • the adhesive control pattern may be implemented as a letter, logo, mark or image.
  • letters, logos, marks or images may be represented on the front cover.
  • the window detachable module of the display device to which the detachable window of the present invention is detachable only a window that is damaged or needs to be replaced is easily replaced by utilizing the module for separating windows.
  • users can simply replace themselves without the help of a service center.
  • various types of display devices may be implemented by differently separating the window-type module SM according to the situation.
  • FIG. 1 is a cross-sectional view schematically showing one example of a display device to which a conventional touch screen is applied.
  • FIG. 2 is a cross-sectional view schematically showing other examples of a display device to which a conventional touch screen is applied.
  • FIG 3 is an exploded cross-sectional view showing a first display device according to the present invention.
  • FIG. 4 is a plan view showing an example of a detachable pattern and an adhesive control pattern according to the present invention.
  • FIG. 5 is an exploded cross-sectional view showing a second display device according to the present invention.
  • FIG. 6 is an exploded cross-sectional view showing a third display device according to the present invention.
  • FIG. 7 is a flowchart illustrating a first method for replacing a window of a display device according to the present invention.
  • FIG. 8 is a flowchart illustrating a second method of replacing a window of a display device according to the present invention.
  • window detachable module refers to a module that can be attached to the window. In this way, a window that can be detached is referred to as a detachable window.
  • the window detachable module and the detachable window may be sold separately, or may be sold collectively.
  • the display device applied to the embodiment of the present invention refers to all image processing devices such as mobile devices, information processing terminals and televisions.
  • the mobile device has the same mobile phone, smart phone, tablet, etc., and the information processing terminal includes an ATM, a kiosk, and the like.
  • the display device may be flat or flat, but may also be curved, and may be flexible.
  • the image processing device essentially includes a detachable window, a touch screen, and a display.
  • the detachable window refers to a window of a mobile device, a window of an information processing terminal, and a window of all image processing devices such as a television.
  • the touch screen and display also refer to a touch screen and display applied to all image processing devices.
  • the display device has a flat surface, a curved surface, or a mixture of them.
  • Display devices have been developed in 2D (planar), 2.5D (front rim curved, rear flat), and 3D (curved, edge) depending on the shape of the detachable window. Recently, a foldable display device that can be folded or unfolded and a rollable display device that can be wound have appeared.
  • the foldable and rollable display devices are a kind of flexible display devices.
  • the display device applied to the embodiment of the present invention includes all of a flat or curved surface or a mixture of them, such as 2D, 2.5D, 3D, flexible, foldable, and rollable.
  • the detachable window of the present invention is clearly distinguished from the conventional protective film.
  • a device consisting only of a display without a detachable window and optionally a touch screen is not a complete display device.
  • the display device is completed only when a detachable window is attached.
  • the protective film is attached to the window of the present invention, the protective film is attached to the already completed display device. Therefore, the detachable window or touch screen of the present invention is an essential component constituting the display device, but the conventional protective film corresponds to an auxiliary component that can be selectively applied to the display device. Accordingly, the protective film is excluded from the scope of the present invention.
  • the detachable module SM may be combined with other components constituting a display device on a module element, such as a main body element such as a touch screen, a display or a rear cover.
  • a main body element such as a touch screen, a display or a rear cover.
  • the body element includes a touch screen, a display, a back cover, a waterproof film, a bonding means such as an adhesive layer or an adhesive film, and an assembly means such as a click or screw for assembly.
  • the body element collectively refers to the rest of the display device except for the module element.
  • the detachable module consists of only the module element, a touch screen is coupled to the module element, a touch screen and a display are coupled to the module element, or a touch screen, a display and a back cover are coupled to the module element. It may have been done.
  • FIG. 3 is an exploded cross-sectional view illustrating a first display device 100 according to an exemplary embodiment of the present invention.
  • the drawings are not expressed in a strict sense, and for convenience of description, there may be components not shown in the drawings.
  • the first display device 100 includes a detachable window DW and a detachable first module SM1.
  • the detachable window DW includes a transparent sheet 10 and a first detachable layer 13, a first detachable layer 13 is stacked on the transparent sheet 10, and a transparent sheet 10 and a first detachable layer The thin film printing layer 11 and the hiding layer 12 may be present between (13).
  • the detachable first module SM1 is provided with a detachable detachable window DW, which is different from a conventional display device in which a window is attached and fixed.
  • the window of the conventional display device is called an adhesive window because it is not detachable and is fixed with an adhesive.
  • the first display device 100 includes a detachable window DW and a detachable first module SM1, and the conventional display device includes an integrated module in which an adhesive window is integrated. As the window is attached or detached, it is divided into a detachable module and an integral module.
  • the transparent sheet 10 can be used without limitation as long as it is a transparent material, and serves as a transparent window in the display device.
  • it may include a glass substrate, a sapphire substrate, or a plastic substrate.
  • the glass substrate may be tempered glass
  • the plastic substrate is made of a thermoplastic resin, preferably PET (PolyEthylene Terephthalate), PEN (PolyEthylene Naphthalate), PES (PolyEther Sulfone), PI (PolyImide), PAR (PolyARylate) ), PC (PolyCarbonate), PMMA (PolyMethyl MethAcrylate), PU (PolyUrethane), TAC (Tri-Acrtyl-Cellulose) or COC (CycloOlefin Copolymer).
  • Tempered glass is more preferable.
  • the transparent sheet may be a laminated structure in which a tempered glass and a plastic substrate are formed in multiple layers.
  • the fluorine-based coating solution may be wet coated or a dry coating by vacuum deposition to form an anti-fingerprint coating layer to impart the anti-fingerprint function.
  • the coating layer of the transparent sheet 10 may be an anti-fingerprint or anti-fingerprint and anti-fingerprint glass or a plastic substrate with anti-fingerprint or anti-fingerprint and anti-microbial treatment with high hardness.
  • the coating allows the transparent sheet 10 to exhibit various functions.
  • the transparent sheet 10 may employ slim tempered glass having a thickness of approximately 10 ⁇ m to 150 ⁇ m.
  • the slim tempered glass has a breakage mechanism in which cracks without fragments occur. Since there are no scattering debris and no sharp edges, there is no debris that is injured and hurts the user or is sucked into the human body.
  • the slim tempered glass is more efficient when it is applied to the second type of screen area because it is free from bending.
  • the thin film printing layer 11 can be printed in various ways. For example, printing by silk screen method, offset printing, lithography printing, or the like, or digital printing is preferred.
  • the digital printing is a method of printing on the transparent sheet 10 by spraying ink containing various colors at once.
  • the silk screen method and offset printing have to go through several printings, and lithography printing uses a mask.
  • the thin film printing layer 11 additionally serves to prevent scattering of the transparent sheet 10 when the transparent sheet 10 is damaged.
  • the concealment layer 12 improves the concealability of the thin film printing layer 11 so that the image of the thin film printing layer 11 is clearly displayed.
  • the concealment layer 12 may be a white ink layer coated with white ink or a metal thin film deposited with a metal material having excellent reflectivity. The whiteness of the white ink layer can be adjusted by adding a pigment other than white in a trace amount.
  • the first detachable layer 13 has an adhesive strength of about 0.05 gf/25 mm to 500 gf/25 mm, and more preferably 0.2 gf/25 mm to 50 gf/25 mm. It is smaller than 1,500 gf/25 mm, which is the conventional adhesive force of the conventional adhesive layer, and thus is distinguished from the conventional adhesive layer.
  • the first detachable layer 13 of the present invention is optically transparent, and applies an adhesive that is cured by heat treatment or UV (ultraviolet). When the adhesive is subjected to heat treatment or UV treatment at a predetermined temperature and time, it is cured to a semi-solid state.
  • the adhesive method can be easily laminated by the buyer without air bubbles.
  • the first desorption layer 13 can be used in various ways within the technical spirit of the present invention, but acrylic polymers, silicone polymers, urethane polymers, UV-curable resins and crosslinking agent-mixed adhesives or mixtures thereof or copolymers thereof are preferred. .
  • the first desorption layer 13 may be mixed with a functional material such as silica gel, nanoparticles, and antistatic agent to improve the physical properties of the first desorption layer 13.
  • particles forming a quantum dot may be added to the first detachable layer 13 to improve optical properties.
  • the first desorption layer 13 may be a desorption pattern in the form of a pattern formed by treatment of curing, corona, vapor deposition, or plasma or a combination thereof, as shown in FIG. 4.
  • the pattern arrangements a, b, c, and d are partially modified without first modifying the first detachable layer 13. That is, the pattern arrangement (a, b, c, d) is present in the first detachable layer 13.
  • the pattern arrangement (a, b, c, d) utilizes various types of patterns in a plane.
  • the A pattern extending in the longitudinal direction of the pattern arrays (a, b, c, d) while being in the form of a band
  • the B pattern having the same shape and different adhesive strength as the A pattern
  • the C pattern being an island form alone and plural D-shaped island pattern
  • E pattern with extended C pattern F pattern with the same shape and different adhesion
  • F pattern with fence H pattern with fence and G pattern different from adhesive
  • pattern arrangement and I patterns disposed at corners of a, b, c, and d.
  • the adhesion can be controlled by the degree of surface modification.
  • the attachment/detachment pattern is appropriately adjusted in the arrangement of the hardening pattern by hardening treatment, the corona pattern by corona treatment, the plasma pattern by plasma treatment, and the deposition pattern by vapor deposition, thereby freely adjusting the adhesive force according to the position. Therefore, it can be stably attached regardless of the shape. When attached stably regardless of the shape, desorption does not occur and bubbles are easily removed.
  • the curing treatment may be implemented as a thermosetting adhesive layer or an ultraviolet curable adhesive layer.
  • the thermosetting adhesive layer may be variously selected within the scope of the present invention.
  • an acrylic resin containing a hydroxyl group an acrylic resin having a hydroxyl group having a weight average molecular weight of 100,000 to 1,000,000, a resin composition containing block isocyanate as a main component, a composition containing an acrylic resin containing a hydroxyl group and a block isocyanate as an essential component, and reacting with an isocyanate group And compounds having two or more functional groups in one molecule and a block isocyanate.
  • the ultraviolet curable adhesive layer is made of, for example, a mixture of various acrylic units and an ultraviolet curing catalyst, such as polyurethane resin, epoxy resin, or polyester resin.
  • the corona treatment improves the adhesion of the surface of the first desorption layer 13 to be treated using corona discharge technology.
  • the first desorption layer 13 is treated with corona
  • the charged particles in the corona collide with the film surface, thereby oxidizing the film surface.
  • crosslinking structures between polymer molecules may be formed in addition to the above chemical polar groups by corona treatment to improve adhesion.
  • Corona surface treatment is usually by placing the first desorption layer 13 between both electrodes where corona discharge is made, and supplying constant power to both electrodes to cause corona discharge, resulting in adhesion of 0.1gf/25mm to 1000gf/ on the surface. 25mm surface modification.
  • the plasma treatment uses a plasma method such as atmospheric plasma, reduced pressure plasma, and corona plasma. That is, in order to improve the adhesion of the first detachable layer 13, not only chemically cleaning the surface, but also activating the surface, organic substances on the surface are removed by chemical reactions and physical reactions.
  • the first desorption layer 13 that has been subjected to plasma treatment uses a high energy of ions or electrons to change the chemical bond in a region within a few ⁇ m from the surface. In addition, a certain thickness of the surface is cut to increase the contact angle.
  • the surface of the first detachable layer 13 is chemically or physically activated so that it can react well with other materials. In this way, the surface treatment subjected to plasma treatment is modified such as surface cleaning such as removal of fine foreign substances, surface roughness change, and formation of polar functional groups.
  • the deposition treatment is gold (Au), silver (Ag), platinum (Pt), silicon (Si), copper (Cu), palladium (Pd), nickel (Ni), tungsten (W), iron (Fe), cobalt (Co), titanium (Ti), chromium (Cr), manganese (Mn), zinc (Zn), zirconium (Zr), molybdenum (Mo), iridium (Ir), ruthenium (Ru), tantalum (Ta) or these It may be made of a single layer or a multi-layer consisting of at least one of an alloy or an oxide thereof.
  • the deposition pattern is deposited to an angstrom thickness, and generally increases adhesion with the first detachable layer 13. In order to form the deposition pattern, the present invention is not limited thereto, but a masking method or the like may be used.
  • the corona pattern, the plasma pattern, and the deposition pattern have different mechanisms, and thus adhesive strength is realized differently.
  • the corona pattern, plasma pattern and deposition pattern function the same as each other.
  • each of the corona pattern, plasma pattern, and deposition pattern has different characteristics in terms of adhesion.
  • the present invention is to adjust the adhesive force of the first removable layer (13).
  • the corona pattern, the plasma pattern and the deposition pattern use respective adhesive strength. Accordingly, the corona pattern, plasma pattern, and deposition pattern cannot be considered to be equal to each other.
  • the combination of the first detachable layer 13 and the corona pattern, the first detachable layer 13 and the plasma pattern, and the first detachable layer 13 and the deposition pattern have different adhesive strengths.
  • the detachable first module SM1 includes a front cover 20. On the front cover 20, either the first detachable layer 13 or the first adhesive control layer 14 is applied. That is, the detachable first module SM1 includes either the front cover 20 and the first detachable layer 13 or the first adhesive control layer 14. It is said that the module includes any one of the front cover 20 and the first detachable layer 13 or the first adhesive control layer 14.
  • the detachable first module SM1 essentially includes the module element.
  • the detachable first module SM1 may add a body element to the module element.
  • the body element is another component constituting the first display device 100 except for the detachable window DW and the module element.
  • the body element includes a touch screen 30, a display 32, a back cover 34, a waterproof film, a bonding means such as an adhesive layer or an adhesive film, an assembly means such as a click or screw for assembly.
  • the main body element refers to the rest of the first display device 100 except for the module element.
  • the detachable first module SM1 consists of only the module element, the touch screen 30 is coupled to the module element, the touch screen 30 and the display 32 are coupled to the module element, or the module The elements can be combined with the touch screen 30, the display 32 and the back cover 34.
  • the first adhesive control layer 14 is disposed on the upper surface 20a of the front cover 20 to face the first detachable layer 13.
  • the first detachable layer 13 and the first adhesive control layer 14 are present across the screen and the bezel area, but the thin film printing layer 11 and the concealment layer 12 are only present in the bezel area. At this time, the positions of the first detachable layer 13 and the first adhesive control layer 14 may be interchanged.
  • the thin film printing layer 11 and the hiding layer 12 are selectively applied. If there is no bezel area in the display device of the present invention, the thin film printing layer 11 and the hiding layer 12 are not required.
  • the front cover 20 accommodates the touch screen 30 and may be adhered to the front cover 20 by a transparent adhesive layer 21.
  • the rear cover 34 accommodates the display 32, and between the rear cover 34 and the display 32, various parts 33 for smooth operation of the first display device 100, such as a battery, may be installed. have.
  • the front cover 20 and the back cover 34 are joined by a coupling part 31.
  • the bonding portion 31 may be combined with an adhesive, such as the transparent adhesive layer 21, and may be combined by detachable attachment such as the first detachable layer 13 and the first adhesive control layer 14.
  • a state bonded with an adhesive is shown.
  • the coupling portion 31 may be coupled by a mechanical structure such as coupling means in the bezel region.
  • the first adhesive control layer 14 increases the slip property by lowering the frictional force.
  • the first detachable layer 13 is easily detachable by the first adhesive control layer 14.
  • the first adhesive control layer 14 may be a coating material of a fluorine-based resin or a silicone-based resin.
  • the first adhesive control layer 14 is formed by depositing titania (TiO 2 ) or silica (SiO 2 ) on the front cover 20 and coating the deposited touch screen with a fluorine-based resin or a silicone-based resin. can do.
  • the fluorine-based resin or silicone-based resin may be formed by an ECC (Easy Cleaning Coating) method.
  • ECC Easy Cleaning Coating
  • the first adhesive control layer 14 may be a pattern of adhesive control in the form of a pattern formed by treatment of hard coating, digital printing, contact angle control, vapor deposition, unevenness or surface modification or a combination thereof.
  • the example of the adhesive control pattern of the first adhesive control layer 14 is the same as the detachable pattern of FIG. 4. Here, it is only an example of several pattern arrangements (a, b, c, d), and may be variously modified within the scope of the present invention.
  • the hard coating treatment may be a thermosetting hard coating layer or an ultraviolet curing hard coating layer. Thermal curing and UV curing are as described in the desorption pattern.
  • the digital printing process is a digitally printed layer.
  • the contact angle control process may coat the organosilicon compound as an example of a coating that increases the adhesion by reducing the contact angle. As an example of a coating that lowers the adhesion by increasing the contact angle, it provides fingerprint prevention, contamination prevention, and slip properties, and deposits titania (TiO 2 ) or silica (SiO 2 ) on the front cover 20, and then deposits It may be formed by coating a fluorine-based resin, a silicone-based resin or a mixture thereof. At this time, the fluorine-based resin or silicone-based resin may be formed by an ECC (Easy Cleaning Coating) method.
  • ECC Easy Cleaning Coating
  • the deposition treatment is gold (Au), silver (Ag), platinum (Pt), silicon (Si), copper (Cu), palladium (Pd), nickel (Ni), tungsten (W), iron (Fe), cobalt (Co), titanium (Ti), chromium (Cr), manganese (Mn), zinc (Zn), zirconium (Zr), molybdenum (Mo), iridium (Ir), ruthenium (Ru), tantalum (Ta) or It may be composed of a single layer or a plurality of layers of any one of these alloys or oxides.
  • the evaporation layer increases the adhesion with the first detachable layer 13.
  • the cross-section may be molded into any one shape selected from among squares, triangles, and circles, or may be made of beads or beads and binders. That is, the cross-section of the fine concave-convex layer may have an angle, a curvature, or a combination thereof.
  • the fine layer is semi-transparent, and the light transmittance is lowered. Since the first desorption layer 13 penetrates into the uneven surface layer, the bonding force of the first desorption layer 13 is increased.
  • the surface modification treatment increases the adhesion of the transparent polymer film to the first detachable layer 13 through plasma or corona treatment or continuous treatment thereof.
  • the detachable pattern and the adhesion control pattern of the present invention may be embodied in a pattern such as a letter, logo, mark or image, while being formed in a strip shape, a grid shape, an island shape, a fence shape, or a combination thereof.
  • the pattern can be printed in a translucent mirror or translucent color that appears in the field of view when the first display device 100 is turned off and disappears from the field of view when it is turned on.
  • the pattern may be a mirror or color printing in which the first display device 100 appears in a field of view even in an ON and OFF state.
  • the pattern can be treated with fluorescence.
  • the pattern can be expressed by utilizing physical quantities such as cells, sunlight, heat, magnetic fields, and electromagnetic waves.
  • the touch screen 30 is a conductive pattern formed on one or both sides of an insulating layer made of metal oxide or plastic.
  • Metal oxide is mainly applied to the conductive pattern, and the metal oxide includes ITO, ATO, ZnO, or Cu, conductive polymer, or silver nanowire.
  • the touch screen cover layer prevents the touch screen from being damaged by impact or contamination.
  • the cover layer can be used without limitation as long as it is a transparent material. For example, it may include a glass substrate or a plastic substrate.
  • the glass substrate may be tempered glass or non-tempered glass
  • the plastic substrate may be PET (polyethylene terephthalate), PEN (polyethylene naphthalate), PES (polyether sulfone), PI (polyimide), PAR (polyarylate), PC (polycarbonate), PMMA (polymethyl methacrylate) or COC (cycloolefin copolymer).
  • PET polyethylene terephthalate
  • PEN polyethylene naphthalate
  • PES polyether sulfone
  • PI polyimide
  • PAR polyarylate
  • PC polycarbonate
  • PMMA polymethyl methacrylate
  • COC cycloolefin copolymer
  • the display 32 includes a liquid crystal display (LCD), a light-emitting diode (LED), an organic light-emitting diode (OLED), a micro LED, an electrophoretic display (EPD), and uses quantum dots.
  • the rear cover 34 is disposed on the opposite side of the transparent sheet 10 to protect the display, and may be made of a material such as transparent tempered glass or opaque plastic.
  • a material capable of passing a wavelength of the 5th generation frequency such as tempered glass, sapphire, and quartz, may be applied.
  • the front cover 20 accommodates the touch screen 30 or is coupled to the touch screen 30.
  • the case where the touch screen 30 is accommodated is presented.
  • one side of the front cover 20 is opened, and the touch screen 30 is located inside the front cover 20.
  • the first adhesive control layer 14 is located on the upper surface 20a of the front cover 20.
  • the front cover 20 can be used without limitation as long as it is a transparent material.
  • it may include a glass substrate or a plastic substrate.
  • the glass substrate may be tempered glass or non-tempered glass
  • the plastic substrate may be PET (polyethylene terephthalate), PEN (polyethylene naphthalate), PES (polyether sulfone), PI (polyimide), PAR (polyarylate), PC (polycarbonate), PMMA (polymethyl methacrylate) or COC (cycloolefin copolymer).
  • PET polyethylene terephthalate
  • PEN polyethylene naphthalate
  • PES polyether sulfone
  • PI polyimide
  • PAR polyarylate
  • PC polycarbonate
  • PMMA polymethyl methacrylate
  • COC cycloolefin copolymer
  • the side surface 20b of the front cover 20 is sufficient to accommodate the touch screen 30, and may be made of an opaque material or opaque by coating or the like as necessary.
  • the surface of the first adhesive control layer 14 on which the first detachable layer 13 is deposited is flat.
  • it is advantageous to improve properties such as adjusting adhesion of detachable materials, preventing adhesion of foreign substances, preventing fingerprints, removing bubbles easily, and smoothly applying to curved surfaces or flexible displays. If the surface is flat, the front cover 20 is more possible than a flat surface and a curved surface because there is no curve such as irregularities on the surface.
  • the front cover 20 since the front cover 20 has a structure in which the top surface 20a and the side surface 20b are sealed, it is possible to block the inflow of foreign substances such as moisture from the outside.
  • the front cover 20 in which the touch screen 30 is accommodated may be configured as one structure.
  • the transparent sheet 10 is not attached or detached to the touch screen 30, but is detached to the structure.
  • FIG. 5 is an exploded cross-sectional view illustrating a second display device 200 according to an exemplary embodiment of the present invention.
  • the second display device 200 is the same as the first display device 100 except for the separated second module SM2. Accordingly, detailed description of the duplicated parts will be omitted.
  • the second detachable layer 40 and the second adhesive control layer 41 have a front cover ( 20) is located between the inner surface and the touch screen (30). That is, the transparent adhesive layer 21 of the first display device 100 is replaced with the second detachable layer 40 and the second adhesive control layer 41 to detach and attach the touch screen 30.
  • the materials, functions, and roles of the second detachable layer 40 and the second adhesive control layer 41 are the same as those of the first detachable layer 13 and the first adhesive control layer 14 of the first display device 100. . At this time, the positions of the second detachable layer 40 and the second adhesive control layer 41 may be interchanged.
  • FIG. 6 is an exploded cross-sectional view illustrating a third display device 300 according to an exemplary embodiment of the present invention.
  • the third display device 300 is the same as the first display device 100 except for the separated third module SM3. Accordingly, detailed description of the duplicated parts will be omitted.
  • the front cover 25 of the third display device 300 accommodates the touch screen 30 and the display 32.
  • the back cover 35 is outside the display 32.
  • the transparent adhesive layer 21 and the bonding portion 31 are replaced with the first detachable layer 13 and the first adhesive control layer 14 in the front, so that the touch screen 30 and the display 32 can be detached. Do it.
  • the front cover 25 is used, the surface of the first adhesive control layer 14 on which the first detachable layer 13 is deposited is flat, so that physical properties can be improved as described above.
  • the proposed replacement of the detachable window is performed in two ways.
  • One is a first replacement method of replacing an existing window-integrated module with a new window-separated module.
  • the second is a second replacement method of replacing the existing window detachable module with a new window detachable module.
  • the replacement method within the scope of the present invention can be variously modified.
  • FIG. 7 is a flowchart illustrating a first replacement method of a detachable window according to an embodiment of the present invention.
  • the display device refers to the first display device 100 of FIG. 3, and the separate module is referred to as SM.
  • the first replacement method first purchases a window detachable module (SM) (S10).
  • the window detachable module SM is assembled in consideration of the module element and the body element, and is replaceable with the window integrated module.
  • the purchase of the Windows detachable module (SM) can be made online or offline. Accordingly, the buyer can purchase a window detachable module (SM) that suits their taste.
  • an existing integrated window module requiring replacement of the window is collected (S11).
  • the window-integrated module corresponds to a part of the conventional display device except the adhesive window.
  • the window integrated module is the same as the conventional display device (see FIGS. 1 and 2).
  • the window is attached to the touch screen, the touch screen cover layer or the polarizing film by adhesive.
  • the need to replace the window occurs due to user's carelessness or preference.
  • the window-integrated module requiring replacement of the window is replaced with the window detachable module SM of the present invention (S12).
  • a detachable window DW to be attached to the window detachable module SM is provided (S13).
  • the optional is considering that the window detachable module (SM) and the detachable window (DW) may be sold separately or may be sold together.
  • the detachable window (DW) may be provided by the producer, but may be purchased separately by the user. In this way, it can be said that it is collectively provided by the producer or the user.
  • a detachable window DW is attached to the window detachable module SM (S14). If the detachable window DW already exists, the detachable window DW may not be provided.
  • FIG. 8 is a flowchart illustrating a second replacement method of a detachable window according to an embodiment of the present invention.
  • the display device refers to the first display device 100 of FIG. 3, and the separate module is referred to as SM.
  • the second replacement method purchases a window detachable module SM (S20 ).
  • the window detachable module SM is assembled considering the module element and the main body element, and is replaceable with the existing window detachable module.
  • the window detachable module (SM) for example, consists of only the module element, the touch screen is coupled to the module element, or the touch screen and the display are coupled to the module element, or the touch screen and display to the module element And it can be manufactured in various ways, such as combined with the back cover.
  • the purchase of the Windows detachable module (SM) can be made online or offline. Accordingly, the buyer can purchase a window detachable module (SM) that suits their taste. At this time, the purchaser may be a business that replaces the window detachable module (SM) as well as a general user.
  • a detachable window DW to be attached to the window detachable module SM is provided (S22).
  • the optional is considering that the window detachable module (SM) and the detachable window (DW) may be sold separately or may be sold together.
  • the detachable window (DW) may be provided by the producer, but may be purchased separately by the user. In this way, it can be said that it is collectively provided by the producer or the user.
  • a detachable window DW is attached to the window detachable module SM (S23). If the detachable window DW already exists, the detachable window DW may not be provided.
  • various types of display devices may be implemented by differentiating the window separation type module SM according to the situation.
  • body elements related to the touch screen 30, the display 32, and the like may be separately purchased and assembled.
  • SM window separation type module
  • a desired display device can be implemented by combining with the rest of the display device.

Landscapes

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

Abstract

L'invention concerne un module de type séparation de fenêtre d'un dispositif d'affichage, qui permet de remplacer uniquement une fenêtre amovible qui est endommagée ou doit être remplacée, et permet à un utilisateur de remplacer simplement la fenêtre détachable. Le module comprend un élément de module auquel la fenêtre détachable est fixée et détachée, l'élément de module comprenant un couvercle avant, et l'une d'une couche détachable et d'une couche de réglage d'adhérence étant appliquée sur le couvercle avant.
PCT/KR2019/015943 2018-11-29 2019-11-20 Module de type séparation de fenêtre d'un dispositif d'affichage vers lequel et à partir duquel une fenêtre détachable est attachée et détachée Ceased WO2020111642A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2018-0150305 2018-11-29
KR20180150305 2018-11-29
KR10-2019-0147368 2019-11-18
KR1020190147368A KR102241233B1 (ko) 2018-11-29 2019-11-18 탈부착 윈도우가 탈부착되는 표시장치의 윈도우 분리형 모듈

Publications (1)

Publication Number Publication Date
WO2020111642A1 true WO2020111642A1 (fr) 2020-06-04

Family

ID=70854020

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/015943 Ceased WO2020111642A1 (fr) 2018-11-29 2019-11-20 Module de type séparation de fenêtre d'un dispositif d'affichage vers lequel et à partir duquel une fenêtre détachable est attachée et détachée

Country Status (1)

Country Link
WO (1) WO2020111642A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016117820A1 (fr) * 2015-01-20 2016-07-28 김영수 Dispositif d'affichage comprenant une fenêtre pouvant être fixée/détachée, et son procédé de fixation/détachement
KR101744681B1 (ko) * 2016-11-30 2017-06-08 알파디스플레이 주식회사 파손 터치스크린의 자가 교체가 용이한 터치스크린 모니터 장치
KR20180037088A (ko) * 2016-10-03 2018-04-11 김영수 탈부착층을 포함하는 디스플레이 장치 및 그 제조방법
KR20180037110A (ko) * 2016-10-03 2018-04-11 김영수 표면개질 탈부착 시트를 포함하는 디스플레이 장치
KR20180037097A (ko) * 2016-10-03 2018-04-11 주식회사 맥스젠테크놀로지 탈부착 유동층을 가진 디스플레이 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016117820A1 (fr) * 2015-01-20 2016-07-28 김영수 Dispositif d'affichage comprenant une fenêtre pouvant être fixée/détachée, et son procédé de fixation/détachement
KR20180037088A (ko) * 2016-10-03 2018-04-11 김영수 탈부착층을 포함하는 디스플레이 장치 및 그 제조방법
KR20180037110A (ko) * 2016-10-03 2018-04-11 김영수 표면개질 탈부착 시트를 포함하는 디스플레이 장치
KR20180037097A (ko) * 2016-10-03 2018-04-11 주식회사 맥스젠테크놀로지 탈부착 유동층을 가진 디스플레이 장치
KR101744681B1 (ko) * 2016-11-30 2017-06-08 알파디스플레이 주식회사 파손 터치스크린의 자가 교체가 용이한 터치스크린 모니터 장치

Similar Documents

Publication Publication Date Title
CN106462276B (zh) 包含可拆卸窗口的显示屏装置及其拆卸方法
KR102241293B1 (ko) 점착조절층을 이용한 표시장치
KR101675225B1 (ko) 탈부착층을 가진 디스플레이 장치 및 그 제조방법
US20200023607A1 (en) Display device including fine bump for adjusting attachment and detachment and manufacturing method therefor
US11073924B2 (en) Apparatus of display having detachable pattern
JP6975491B2 (ja) 微細突起文様を有する接着減少層を含むディスプレイ装置
KR102241276B1 (ko) 일체형 커버를 포함하는 탈부착 표시장치
KR102146151B1 (ko) 표면개질 탈부착 시트를 포함하는 디스플레이 장치
KR20180037088A (ko) 탈부착층을 포함하는 디스플레이 장치 및 그 제조방법
KR20200021407A (ko) 배면커버를 포함하는 탈부착 표시장치
JP7100912B2 (ja) 偏光フィルムを含む着脱可能なディスプレイ装置
KR102323973B1 (ko) 표면개질된 탈부착층을 이용한 표시장치
KR20180026830A (ko) 탈부착층을 가진 디스플레이 장치
WO2020111642A1 (fr) Module de type séparation de fenêtre d'un dispositif d'affichage vers lequel et à partir duquel une fenêtre détachable est attachée et détachée
KR102241233B1 (ko) 탈부착 윈도우가 탈부착되는 표시장치의 윈도우 분리형 모듈
EP3293568A1 (fr) Dispositif d'affichage ayant une couche amovible et son procédé de fabrication
JP6330871B2 (ja) 着脱層を有するディスプレイ装置、及びその製造方法｛Ａｐｐａｒａｔｕｓ ｏｆ ｄｉｓｐｌａｙ ｈａｖｉｎｇ ｄｅｔａｃｈａｂｌｅ ｌａｙｅｒ ａｎｄ ｍｅｔｈｏｄ ｏｆ ｍａｎｕｆａｃｔｕｒｉｎｇ ｔｈｅ ｄｉｓｐｌａｙ｝
KR102283618B1 (ko) 표면개질된 탈부착층을 이용한 표시장치
KR102283619B1 (ko) 표면개질된 탈부착층을 이용한 표시장치
WO2020013511A1 (fr) Dispositif d'affichage utilisant une couche de détachement/fixation modifiée en surface
WO2020040489A1 (fr) Dispositif d'indication de fixation/séparation
KR20180037103A (ko) 탈부착 시트를 포함하는 디스플레이 장치
WO2019221460A1 (fr) Dispositif d'affichage utilisant une couche de régulation d'adhérence

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19889602

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19889602

Country of ref document: EP

Kind code of ref document: A1