WO2021008411A1 - 显示装置、显示面板及其制造方法 - Google Patents
显示装置、显示面板及其制造方法 Download PDFInfo
- Publication number
- WO2021008411A1 WO2021008411A1 PCT/CN2020/100745 CN2020100745W WO2021008411A1 WO 2021008411 A1 WO2021008411 A1 WO 2021008411A1 CN 2020100745 W CN2020100745 W CN 2020100745W WO 2021008411 A1 WO2021008411 A1 WO 2021008411A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- corner
- wall
- curved portion
- display panel
- display
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000000758 substrate Substances 0.000 claims abstract description 53
- 230000002787 reinforcement Effects 0.000 claims abstract description 35
- 230000001012 protector Effects 0.000 claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims description 53
- 239000011324 bead Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 14
- 239000005022 packaging material Substances 0.000 claims description 8
- 238000005538 encapsulation Methods 0.000 claims description 7
- 229920002120 photoresistant polymer Polymers 0.000 claims description 7
- 238000000059 patterning Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 description 11
- 238000001723 curing Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000005336 cracking Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 2
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- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- -1 6,7-Epoxyheptyl ester Chemical class 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
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- 239000000178 monomer Substances 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8428—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/871—Self-supporting sealing arrangements
- H10K59/8722—Peripheral sealing arrangements, e.g. adhesives, sealants
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/871—Self-supporting sealing arrangements
- H10K59/8723—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
Definitions
- the corner is arc-shaped; the first bead includes: a first curved portion, the curvature of the first curved portion is the same as the curvature of the corner.
- the height of the first protruding part is not less than one third of the width of the first curved part, and not more than one half of the width of the first curved part;
- the width of the first curved portion is the distance between the inner wall of the first curved portion and the outer wall of the first curved portion.
- the number of the first protruding portion is two, and they are respectively provided at both ends of the first curved portion.
- the number of the second protruding portion is two, and they are provided at both ends of the second curved portion.
- the two first protrusions have the same shape and the same size.
- the display substrate is an OLED display substrate.
- a method for manufacturing a display panel includes: providing a display substrate and a cover plate, the display substrate having a display area and a peripheral area surrounding the display area; forming a reinforcement layer in the peripheral area, the reinforcement layer including a plurality of first corners Each of the first corner protectors is distributed around the display area at intervals; a closed ring-shaped retaining wall material layer is formed in the peripheral area, and each of the first corner protectors is located in the retaining wall material layer.
- the wall material layer has a plurality of corners, and the inner wall of each corner matches and fits the outer wall of each of the first corner protection one by one; on the display substrate, the first corner protection and the retaining wall Inject packaging material into the space enclosed by the material layer; crimp the cover plate and the display substrate to the box so that the packaging material contacts the inner wall of the barrier material layer and the inner wall of the first corner ; Curing the barrier material layer to obtain a barrier wall, and curing the encapsulation material layer to obtain a filling layer.
- forming a reinforcement layer in the peripheral area includes: forming the first corner bead and the second corner bead through a patterning process.
- a display device in another aspect, includes the display panel described in any one of the above.
- FIG. 2 is a top view of a display panel without a cover plate according to some embodiments.
- Fig. 4 is a top view of Fig. 3.
- the display panel 100 includes a display substrate 1, a cover plate 2, a reinforcement layer 3, a retaining wall 4, and a filling layer 5.
- the display substrate 1 has a display area A and a peripheral area B surrounding the display area A.
- the cover plate 2 and the display substrate 1 are arranged in a box.
- the retaining wall 4 is provided in the peripheral area B and is located between the display substrate 1 and the cover plate 2.
- the retaining wall 4 is a closed ring structure and has a plurality of corners 41, and each of the first corners 31 is located on the retaining wall 4
- the inner wall of each corner 41 matches and fits the outer wall of each first corner guard 31 in a one-to-one correspondence.
- the retaining wall 4 can be supported from the inside by the first corners 31 of the reinforcement layer 3, thereby improving the strength of the corner positions of the packaging area and avoiding cracking.
- the first corner protector 31 can fill the inside of the corner 41 of the retaining wall 4, and the filling layer 5 is in contact with the inner wall of the first corner protector 31, which can prevent the filling layer 5 from being unable to fill the corner 41 of the retaining wall 4 and generate bubbles.
- the filling layer 5 can also be matched with the inner wall of the first corner protector 31, so that the corner 41 of the retaining wall 4 can be filled better, which is beneficial to further prevent the generation of air bubbles and improve the packaging. effect.
- the display substrate 1 has a display area A and a peripheral area B, and the peripheral area B is an annular area surrounding the display area A.
- the display substrate 1 includes a substrate 11 and a light emitting device layer 12 on the substrate 11, wherein:
- the light emitting device layer 12 is located in the display area A, and includes a plurality of light emitting devices distributed in an array, and each light emitting device can be used to display an image.
- each light-emitting device may be an OLED light-emitting device
- the display substrate 1 may be an OLED display substrate.
- the first corner guard 31 may be curved, and the corner 41 may be arc-shaped.
- the first corner bead 31 includes a first curved portion 311, the curvature of the first curved portion 311 is the same as the curvature of the corner 41, and each first corner bead 31 is spaced around the display area A, and Located within the retaining wall 4.
- the outer wall of each first corner bead 31 can be matched and fit with the inner wall of each corner 41 in a one-to-one correspondence, thereby filling the inner side of the corner 41 to a certain extent and supporting the corner 41 to prevent deformation.
- the number of the first protrusions 312 may be two, and the two first protrusions 312 are respectively provided at both ends of the first curved portion 311, and are along directions perpendicular to each other. They protrude from the inner wall of the first curved portion 311 respectively.
- the retaining wall 4 is provided in the peripheral area B and located between the display substrate 1 and the cover 2.
- the retaining wall 4 is a closed ring structure and has a plurality of arcs.
- the part between two adjacent corners 41 has a linear structure.
- the material of the retaining wall 4 may be photoresist adhesives such as ultraviolet curing resin glue, or thermosetting adhesives such as heat curing resin glue.
- the material of the retaining wall 4 may include epoxy resin, glycidyl acrylate, glycidyl methacrylate, methyl methacrylate, ethyl methacrylate, n-butyl methacrylate, meth polyacrylic acid 6,7-Epoxyheptyl ester, 2-hydroxyethyl methacrylate and other monomers or copolymers, melamine formaldehyde resin, unsaturated polyester resin, silicone resin and furan resin or one of Many, of course, can also include other materials.
- the viscosity of the retaining wall 4 before curing may be 100000 mPa ⁇ s-400000 mPa ⁇ s.
- the number of the second protruding portions 322 is two, and they are respectively provided at both ends of the second curved portion 321, and can protrude from the outer wall of the second curved portion 321 in mutually perpendicular directions.
- the height h2 of the second protruding portion 322 is not less than one third of the width d2 of the second curved portion 321, and is not greater than one half of the width d2 of the second curved portion 321.
- the height h2 of the second protruding portion 322 is the length in the direction away from the inner wall of the second curved portion 321, and the width d2 of the second curved portion 321 is the distance between the inner wall and the outer wall of the second curved portion 321.
- the material of the reinforcement layer 3 may be a photoresist such as ultraviolet curing resin glue, which may be formed on the display substrate 1 through a photolithography process.
- the first corner bead 31 and the second corner bead 32 are made of photoresist, and the first bent portion 311 and the first protruding portion 312 of the same first corner bead 31 are an integral structure, and the same second corner bead
- the second curved portion 321 and the second protruding portion 322 of 32 are an integral structure.
- the first corner guard 31 and the second corner guard 32 can be formed by a patterning process.
- Some embodiments of the present disclosure provide a method for manufacturing a display panel.
- the display panel may be the above-mentioned display panel 100, and its specific structure will not be repeated here.
- the manufacturing method may include steps S110 to S150, wherein:
- Step S120 forming a reinforcement layer in the peripheral area, the reinforcement layer including a plurality of first corner guards, each of the first corner guards being spaced around the display area.
- Step S140 Inject encapsulation material into the space enclosed by the display substrate, the first corner protection and the barrier material layer.
- Step S150 pressing the cover plate and the display substrate to the box, so that the packaging material is in contact with the inner wall of the wall material layer and the inner wall of the first corner.
- Step S160 curing the barrier material layer to obtain a barrier wall, and curing the encapsulation material layer to obtain a filling layer.
- step S110 the structures of the display substrate 1 and the cover plate 2 have been described in the above-mentioned display panel implementation, and will not be described in detail here.
- the space required by the retaining wall 4 can be reserved, for example, a channel between the first corner guard 31 and the second corner guard 32 corresponding to the same corner 41 can be reserved. So that the retaining wall 4 can pass.
- a packaging material may be coated in the area surrounded by the barrier material layer on the display substrate 1, and the amount of packaging material is sufficient to fill the space enclosed by the barrier material layer Is limited.
- step S150 as shown in FIG. 1, when the cover plate 2 and the display substrate 1 are press-bonded to the box, the packaging material can be squeezed to make it contact the inner wall of the wall material layer and the first corner 31 The surface away from the retaining wall material layer is matched and fit.
- the embodiments of the present disclosure also provide a display device, including the above-mentioned display panel.
- the structure of the display panel can refer to the above-mentioned display panel implementation mode, which will not be repeated here, and since the display device of the present disclosure adopts the above-mentioned implementation mode Display panel, so the two have the same beneficial effects.
- the display device of the present disclosure can be used in terminal devices such as mobile phones, tablet computers, electronic watches, etc., which will not be listed here.
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (20)
- 一种显示面板,包括:显示基板,具有显示区和围绕所述显示区的外围区;盖板,与所述显示基板对盒设置;加固层,设于所述外围区,且位于所述显示基板和所述盖板之间,所述加固层包括多个第一护角,各所述第一护角围绕所述显示区间隔分布;挡墙,设于所述外围区,且位于所述显示基板和所述盖板之间,所述挡墙为围绕所述显示区的闭合环形结构,且所述挡墙具有多个拐角,各所述拐角的内壁一一对应地与各所述第一护角的外壁匹配贴合;填充层,填充于所述显示基板、所述盖板、所述第一护角与所述挡墙围成的空间内,且所述填充层与所述第一护角的内壁接触。
- 根据权利要求1所述的显示面板,其中,所述拐角呈弧形;所述第一护角包括:第一弯曲部,所述第一弯曲部的弧度与所述拐角的弧度相同。
- 根据权利要求2所述的显示面板,其中,所述第一护角还包括:第一凸出部,设于所述第一弯曲部的内壁。
- 根据权利要求3所述的显示面板,其中,所述第一凸出部的高度不小于所述第一弯曲部的宽度的三分之一,且不大于所述第一弯曲部的宽度的二分之一;所述第一弯曲部的宽度为所述第一弯曲部的内壁与所述第一弯曲部的外壁之间的距离。
- 根据权利要求3或4所述的显示面板,其中,所述第一凸出部的数量为两个,且分别设于所述第一弯曲部的两端。
- 根据权利要求5所述的显示面板,其中,两个所述第一凸出部形状相同,且大小相等。
- 根据权利要求5或6所述的显示面板,其中,两个所述第一凸出部关于所述第一弯曲部的曲率中心呈中心对称。
- 根据权利要求1~7中任一项所述的显示面板,其中,所述加固层还包括:多个第二护角,各所述第二护角围绕所述挡墙间隔分布,且一一对应地围设于各所述拐角的外侧。
- 根据权利要求8所述的显示面板,其中,所述拐角呈弧形;所述第二护角包括:第二弯曲部,所述第二弯曲部的弧度不小于所述拐角的弧度。
- 根据权利要求9所述的显示面板,其中,所述第二护角还包括:第二凸出部,设于所述第二弯曲部的外壁。
- 根据权利要求10所述的显示面板,其中,所述第二凸出部的高度不小于所述第二弯曲部宽度的三分之一,且不大于所述第二弯曲部宽度的二分之一;所述第二弯曲部的宽度为所述第二弯曲部的内壁与所述第二弯曲部的外壁之间的距离。
- 根据权利要求10或11所述的显示面板,其中,所述第二凸出部的数量为两个,且设于所述第二弯曲部的两端。
- 根据权利要求12所述的显示面板,其中,两个所述第一凸出部形状相同,且大小相等。
- 根据权利要求12或13所述的显示面板,其中,两个所述第二凸出部关于所述第二弯曲部的曲率中心呈中心对称。
- 根据权利要求8~14中任一项所述的显示面板,其中,每个所述第二护角与其对应的所述拐角之间具有间隙。
- 根据权利要求1~15中任一项所述的显示面板,其中,所述加固层的材料为光阻胶。
- 一种显示面板的制造方法,包括:提供显示基板和盖板,所述显示基板具有显示区和围绕所述显示区的外围区;在所述外围区形成加固层,所述加固层包括多个第一护角,各所述第一护角围绕所述显示区间隔分布;在所述外围区形成闭合环状的挡墙材料层,各所述第一护角位于所述挡墙材料层内,所述挡墙材料层具有多个拐角,且各所述拐角的内壁一一对应地与各所述第一护角的外壁匹配贴合;在所述显示基板、所述第一护角与所述挡墙材料层围成的空间内注入封装材料;将所述盖板与所述显示基板对盒压接,使所述封装材料与所述挡墙材料层的内壁和所述第一护角的内壁接触;使所述挡墙材料层固化而得到挡墙,并使所述封装材料层固化而得到填充层。
- 根据权利要求17所述的制造方法,其中,所述加固层还包括多个第二护角,各所述第二护角围绕所述挡墙间隔分布,且一一对应地围设于各所述拐角的外侧。
- 根据权利要求18所述的制造方法,其中,在所述外围区形成加固层,包括:通过一次构图工艺形成所述第一护角和所述第二护角。
- 一种显示装置,包括权利要求1~16中任一项所述的显示面板。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US17/286,835 US11991895B2 (en) | 2019-07-15 | 2020-07-08 | Display panel and manufacturing method therefor, and display device |
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CN201910635296.7 | 2019-07-15 | ||
CN201910635296.7A CN110350013B (zh) | 2019-07-15 | 2019-07-15 | 显示装置、显示面板及其制造方法 |
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US (1) | US11991895B2 (zh) |
CN (1) | CN110350013B (zh) |
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CN110350013B (zh) * | 2019-07-15 | 2021-09-14 | 京东方科技集团股份有限公司 | 显示装置、显示面板及其制造方法 |
CN110767843B (zh) * | 2019-11-29 | 2023-04-11 | 京东方科技集团股份有限公司 | 显示面板及制备方法、显示装置 |
CN111369904B (zh) * | 2020-04-08 | 2022-05-31 | 深圳市华星光电半导体显示技术有限公司 | 显示面板及其制作方法、显示装置 |
CN113517410A (zh) * | 2020-04-10 | 2021-10-19 | 华为技术有限公司 | 柔性显示面板、显示模组和移动终端 |
CN111477109B (zh) * | 2020-04-30 | 2021-11-16 | 厦门天马微电子有限公司 | 显示面板及显示装置 |
CN111798759B (zh) * | 2020-07-17 | 2021-12-28 | 京东方科技集团股份有限公司 | 柔性显示装置及电子设备 |
JP7374949B2 (ja) * | 2021-03-30 | 2023-11-07 | キヤノン株式会社 | 半導体装置、表示装置、光電変換装置、電子機器、照明装置、移動体、および半導体装置の製造方法 |
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