WO2017148053A1 - 防爆膜及其制作方法、触摸屏、显示装置 - Google Patents
防爆膜及其制作方法、触摸屏、显示装置 Download PDFInfo
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- WO2017148053A1 WO2017148053A1 PCT/CN2016/087030 CN2016087030W WO2017148053A1 WO 2017148053 A1 WO2017148053 A1 WO 2017148053A1 CN 2016087030 W CN2016087030 W CN 2016087030W WO 2017148053 A1 WO2017148053 A1 WO 2017148053A1
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- Prior art keywords
- layer
- transparent substrate
- light shielding
- explosion
- transparent
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
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- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/039—Accessories therefor, e.g. mouse pads
- G06F3/0393—Accessories for touch pads or touch screens, e.g. mechanical guides added to touch screens for drawing straight lines, hard keys overlaying touch screens or touch pads
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Definitions
- the invention relates to the field of display, in particular to an explosion-proof membrane and a manufacturing method thereof, a touch screen and a display device.
- the traditional capacitive touch screen is generally a layer of cover glass and a layer of touch glass through the optical adhesive (OCA) structure (ie GG structure), but as the touch market gradually requires the touch screen light, thin, Low cost, GG structure can not meet these requirements, and gradually replaced by touch structures such as GF, GFF, OGS, etc. Among them, OGS structure has simple structure, light weight, good light transmission, low production cost, etc. compared with traditional structures. Advantages, the market continues to be optimistic.
- OCA optical adhesive
- the TP (Touch Panel) and the LCM (LCD Module) of the OGS structure are mainly provided with a full sticker and a frame sticker.
- the full sticker method utilizes an optical glue (OCA or OCR).
- OCA optical glue
- the TP and the LCM are laminated on the whole surface
- the frame-paste method is to use the frame-adhesive glue (also known as the mouth glue) to fit the TP and the LCM. Due to the high cost and the heavy workability of the full-paste technology, the current frame-laying products are The market share is higher than the full-stick product.
- the frame-mounting method generally attaches a layer of explosion-proof membrane on the touch screen, which can effectively prevent the product from being accidentally hit and cause the glass panel to break and scatter, reduce the invisible damage of the glass panel, and ensure user safety. It also maintains the unique luster, texture and surface hardness of tempered glass.
- OGS has encountered difficulties in appearance in comparison with GG, GF, and GFF structure touch screens.
- the conventional GG, GF, and GFF structures use black ink or white ink as the cover material of the cover plate to produce black. Touch screen and white touch screen.
- OGS uses photoresist frame material, but the white photoresist on the market is still not mature.
- the production of glass cover with white photoresist should achieve the same optical effect as the cover plate produced by white ink, and the thickness of white photoresist should be at least To achieve 15 ⁇ m, and add a layer of 1-2 ⁇ m thick black photoresist coated on the white photoresist, which will cause the signal line (ITO or metal material) to break when climbing. Causes the function to fail.
- the technical problem to be solved by the present invention is to provide an explosion-proof film and a manufacturing method thereof, a touch screen and a display device, which can reduce the possibility that a signal line in an OGS touch screen is broken when climbing a hill.
- the technical solution of the present invention provides an explosion-proof film, comprising a transparent substrate, the transparent substrate comprising a central region and an edge region at a periphery of the central region, wherein the edge region is provided with a light shielding Floor.
- the material of the light shielding layer comprises any one of the following: white ink, black ink.
- the transparent substrate provided with the light shielding layer is further provided with a transparent filling layer, and the transparent filling layer and the light shielding layer are located on the same side of the transparent substrate, and the transparent filling layer is away from One side of the transparent substrate is also provided with an adhesive layer.
- the transparent filling layer covers a central region of the transparent substrate and the light shielding layer, and a thickness of the transparent filling layer in a central region of the transparent substrate is greater than a thickness of the light shielding layer.
- the transparent filling layer covers only the central region of the transparent substrate, and the thickness of the transparent filling layer is the same as the thickness of the light shielding layer.
- a side of the transparent substrate away from the light shielding layer is provided with a protective layer, and a side of the bonding layer away from the transparent filling layer is provided with a release film layer.
- the present invention also provides a touch screen including a touch panel, and the above-mentioned explosion-proof film is disposed on the touch panel.
- the touch panel comprises a photoresist frame, and a projection of the light shielding layer on the transparent substrate is located in a projection of the photoresist frame on the transparent substrate.
- the photoresist frame is the same as the pattern of the light shielding layer.
- the touch panel further includes a registration mark, and the alignment mark is the same material and the same layer as the photoresist frame.
- the present invention also provides a display device including the above touch screen.
- the present invention also provides a method for manufacturing an explosion-proof membrane, comprising:
- a light shielding layer is formed on an edge region of the transparent substrate.
- the method further includes:
- An adhesive layer is formed on a side of the transparent filled layer away from the transparent substrate.
- the light shielding layer is formed of one of a white ink and a black ink.
- the explosion-proof film provided by the invention can be used for the OGS touch screen. Since the edge region of the transparent substrate is provided with a light-shielding layer, the optical effect of the touch screen can be improved by the light-shielding layer, thereby reducing the thickness of the photoresist frame in the touch screen, and even saving Go to the setting of the photoresist frame in the touch screen, which can reduce the possibility of the signal line in the OGS touch screen being broken when climbing.
- FIG. 1 is a schematic cross-sectional view of an explosion-proof membrane according to an embodiment of the present invention
- Figure 2 is a plan view of the explosion-proof membrane of Figure 1;
- FIG. 3 is a schematic cross-sectional view of another explosion-proof membrane according to an embodiment of the present invention.
- FIG. 4 is a schematic diagram of a display device according to an embodiment of the present invention.
- Embodiments of the present invention provide an explosion-proof film including a transparent substrate including a central region and an edge region at a periphery of the central region, the edge region being provided with a light shielding layer.
- the explosion-proof film provided by the embodiment of the invention can be used for the OGS touch screen. Since the edge region of the transparent substrate is provided with a light shielding layer, the optical effect of the touch screen can be improved by the light shielding layer, thereby reducing the thickness of the photoresist frame in the touch screen, and even The setting of the photoresist frame in the touch screen can be omitted, thereby reducing the possibility that the signal line in the OGS touch screen is broken when climbing.
- the material of the light shielding layer in the explosion-proof film may include ink, and the ink is printed on the edge region of the transparent substrate by a screen printing process, thereby obtaining a desired light shielding layer, for example, for a white OGS touch screen, the light shielding layer in the explosion-proof film
- the material may include white ink.
- the material of the light-shielding layer in the explosion-proof film may include black ink.
- the above-mentioned explosion-proof film provided by the embodiment of the present invention can eliminate the above-mentioned secondary printing process, and can avoid ink edge sawing and light leakage caused by the difference between the printing ink and the photoresist material. The phenomenon.
- FIG. 1 is a schematic cross-sectional view of an explosion-proof membrane according to an embodiment of the present invention
- FIG. 2 is a plan view of the explosion-proof membrane
- the explosion-proof membrane includes a transparent substrate 10, and the transparent substrate 10 includes a central region 1 And an edge region 2 located at a periphery of the central region 1, wherein the edge region 2 is provided with a light shielding layer 30.
- the transparent substrate 10 is further provided with a transparent filling layer 40, and the transparent filling layer 40 and the light shielding layer 30 is located on the same side of the transparent substrate 10, and an adhesive layer 50 is further disposed on a side of the transparent filling layer 40 away from the transparent substrate 10.
- the transparent substrate 10 may be made of a PET material, and the material of the adhesive layer 50 may be an optical adhesive, for example, an OCA (Optically Clear Adhesive) optical adhesive or an OCR (Optical Clear Resin) optical adhesive;
- OCA Optically Clear Adhesive
- OCR Optical Clear Resin
- the explosion-proof film in the embodiment of the present invention may further include a protective layer 20 and a release film layer 60.
- the protective layer 20 is disposed on a side of the transparent substrate 10 away from the light shielding layer 30, and the release film layer 60 is disposed on the bonding layer.
- the layer 50 is away from the side of the transparent filling layer 40.
- the protective layer 20 is used to protect the transparent substrate 10 before use of the explosion-proof film.
- the release film layer 60 is used to protect the bonding layer 50 before the explosion-proof film is used.
- the protective layer 20 and the release film layer 60 can be peeled off, and the adhesive layer 50 can be adhered to the outer surface of the touch screen;
- the transparent filling layer 40 can be covered not only on the central region 1 of the transparent substrate 10 but also on the light shielding layer 30, and the thickness of the transparent filling layer 40 on the central region 1 is greater than the shading. The thickness of layer 30.
- the transparent filling layer 40 may also be covered only on the central region 1 as shown in FIG. 3, and the thickness of the transparent filling layer 40 is the same as the thickness of the light shielding layer 30, and there is no step and air bubbles at the joint.
- the light shielding layer 30 can be formed by a screen printing process using white ink, thereby being able to be used for a white OGS touch screen.
- the explosion-proof film provided by the embodiment of the present invention can be used for the frame display product (that is, the bonding method of the touch screen and the LCM is a frame-mounting method), and can also be used for the full-stick display product (ie, the touch screen and the LCM are combined).
- the way is full stickers).
- the explosion-proof film provided by the embodiment of the invention can be used for making a white OGS touch product, by providing a white light-shielding layer in the edge region of the transparent substrate in the explosion-proof film, by which the optical effect of the touch screen can be improved, thereby avoiding the touch screen If the photoresist frame is too thick, the signal line in the touch screen may be broken when climbing, and at the same time, the phenomenon of ink edge sawing and light leakage caused by the secondary printing may be avoided, and the glass spatter may be effectively prevented from being broken when the glass is broken.
- the product quality is improved while improving the product yield, eliminating the white photoresist yellow light process and the secondary printing process, saving the cost while increasing the production rate, reducing the production cost and shortening.
- the product production cycle is used for making a white OGS touch product, by providing a white light-shielding layer in the edge region of the transparent substrate in the explosion-proof film, by which the optical effect of the touch screen can be improved, thereby avoiding the touch
- an embodiment of the present invention further provides a touch screen including a touch panel, and the above-mentioned explosion-proof film is disposed on the touch panel.
- the touch panel may include a photoresist frame, and a projection of the light shielding layer on the transparent substrate is located in a projection of the photoresist frame on the transparent substrate, preferably, the photoresist frame The same pattern as the light shielding layer.
- the photoresist frame in the touch panel can be formed by a black photoresist material
- the light shielding layer in the explosion-proof film can be formed by using white ink
- the explosion-proof film is attached to the touch panel to obtain a white OGS structure touch screen, which can not only Solve the problem that the white OGS needs to reach the chromaticity requirement, and the white photoresist has too large thickness, resulting in poor functionality.
- it can avoid the ink edge jagged and light leakage which is easy to occur due to the difference between the printing ink and the photoresist material.
- the phenomenon can also effectively prevent the glass from being spattered when it breaks.
- the touch panel may also not be provided with a photoresist frame.
- the touch panel may not form a photoresist frame, but the light blocking layer in the explosion-proof film attached on the touch panel functions as a photoresist. The corresponding optical effect of the border.
- the touch panel may further include an alignment mark (alignment mark) for aligning with the explosion-proof film, for example, for a mask including a photoresist.
- the touch panel, the alignment mark on the touch panel and the photoresist frame therein may be the same material and disposed in the same layer, that is, the alignment mark and the photoresist frame on the touch panel may be simultaneously formed in one patterning process.
- Embodiments of the present invention also provide a display device including the above touch screen.
- the display device provided by the embodiment of the present invention may be any product or component having a display function, such as a notebook computer display screen, a display, a television, a digital photo frame, a mobile phone, a tablet computer, and the like.
- FIG. 4 is a schematic diagram of a display device according to an embodiment of the present invention.
- the display device includes a liquid crystal display module (LCM) 300 and a touch screen, and the touch screen includes a touch panel 200 and an explosion-proof film;
- LCD liquid crystal display module
- the bonding method of the liquid crystal display module 300 and the touch screen is a frame bonding method, and a frame adhesive 400 is disposed between the two, and a black photoresist frame 210 is disposed on the touch panel 200;
- the explosion-proof film is disposed on a side of the touch panel 200 away from the liquid crystal display module 300.
- the explosion-proof film includes a transparent substrate 10, a light shielding layer 30 disposed on an edge region of the transparent substrate 10, a transparent filling layer 40, and an adhesive layer 50. Attached to the touch panel 200 through the adhesive layer 50 therein;
- the display device if the light shielding layer 30 in the explosion-proof film is formed of white ink, the display device is a white touch display product, and if the light shielding layer 30 is formed of black ink, the display device is a black touch display. product.
- the embodiment of the invention further provides a method for manufacturing an explosion-proof membrane, comprising:
- a light shielding layer is formed on an edge region of the transparent substrate.
- the method further includes:
- An adhesive layer is formed on a side of the transparent filled layer away from the transparent substrate.
- the white ink shape of the desired product is printed on the surface of the PET material to obtain a light shielding layer, and then the other ink-free printing area on the PET material is filled with a transparent material so that the thickness thereof is the same as the thickness of the white ink obtained by screen printing. There is no step and air bubble at the joint, and then a bonding layer and other structures are formed thereon.
- the explosion-proof film is bonded to the touch screen, and attached to the outer surface of the touch panel to obtain the desired white color. OGS products.
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Abstract
Description
Claims (14)
- 一种防爆膜,包括透明基材,其特征在于,所述透明基材包括中央区域以及位于所述中央区域周边的边缘区域,所述边缘区域上设置有遮光层。
- 根据权利要求1所述的防爆膜,其特征在于,所述遮光层的材料包括以下的任一种:白色油墨、黑色油墨。
- 根据权利要求1所述的防爆膜,其特征在于,设置有所述遮光层的所述透明基材上还设置有透明填充层,且所述透明填充层与所述遮光层位于所述透明基材的相同侧,所述透明填充层远离所述透明基材的一侧还设置有粘结层。
- 根据权利要求3所述的防爆膜,其特征在于,所述透明填充层覆盖在所述透明基材的中央区域和所述遮光层上,且所述透明填充层覆盖在所述透明基材的中央区域上的部分的厚度大于所述遮光层的厚度。
- 根据权利要求3所述的防爆膜,其特征在于,所述透明填充层仅覆盖在所述透明基材的中央区域上,且所述透明填充层的厚度与所述遮光层的厚度相同。
- 根据权利要求3所述的防爆膜,其特征在于,所述透明基材远离所述遮光层的一侧设置有保护层,所述粘结层远离所述透明填充层的一侧设置有离型膜层。
- 一种触摸屏,其特征在于,包括触摸面板,所述触摸面板上设置有权利要求1-5任一所述的防爆膜。
- 根据权利要求7所述的触摸屏,其特征在于,所述触摸面板包括光阻边框,所述遮光层在所述透明基材上的投影位于所述光阻边框在所述透明基材上的投影内。
- 根据权利要求8所述的触摸屏,其特征在于,所述光阻边框与所述遮光层的图案相同。
- 根据权利要求8所述的触摸屏,其特征在于,所述触摸面板还包括对位标记,且所述对位标记与所述光阻边框为相同材料且同层设置。
- 一种显示装置,其特征在于,包括权利要求7-10任一所述的触摸屏。
- 一种防爆膜的制作方法,其特征在于,包括:提供一透明基材;在所述透明基材的边缘区域上形成遮光层。
- 根据权利要求12所述的防爆膜的制作方法,其特征在于,在所述透明基材的边缘区域上形成遮光层之后,还包括:在所述透明基材上形成透明填充层,且所述透明填充层与所述遮光层位于所述透明基材的相同侧;在所述透明填充层远离所述透明基材的一侧形成粘结层。
- 根据权利要求12所述的防爆膜的制作方法,其中由白色油墨和黑色油墨中的一种形成所述遮光层。
Priority Applications (1)
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US15/520,996 US20180107312A1 (en) | 2016-03-04 | 2016-06-24 | Anti-scattering film and manufacturing method thereof, touch screen and display device |
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CN201610126023.6A CN105807994A (zh) | 2016-03-04 | 2016-03-04 | 防爆膜及其制作方法、触摸屏、显示装置 |
CN201610126023.6 | 2016-03-04 |
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KR102657713B1 (ko) * | 2019-01-18 | 2024-04-16 | 삼성디스플레이 주식회사 | 표시 장치용 보호 부재, 이를 포함하는 표시 장치 및 표시 장치용 보호 부재의 제조 방법 |
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CN112721380B (zh) * | 2021-01-05 | 2022-09-09 | 武汉华星光电半导体显示技术有限公司 | 显示面板及其制备方法 |
CN114420011A (zh) * | 2022-02-18 | 2022-04-29 | 合肥龙旗智能科技有限公司 | 一种电子墨水屏结构及具有浅色边框的电子墨水屏 |
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- 2016-03-04 CN CN201610126023.6A patent/CN105807994A/zh active Pending
- 2016-06-24 US US15/520,996 patent/US20180107312A1/en not_active Abandoned
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