WO2023240694A1 - 显示模组及显示装置 - Google Patents
显示模组及显示装置 Download PDFInfo
- Publication number
- WO2023240694A1 WO2023240694A1 PCT/CN2022/102343 CN2022102343W WO2023240694A1 WO 2023240694 A1 WO2023240694 A1 WO 2023240694A1 CN 2022102343 W CN2022102343 W CN 2022102343W WO 2023240694 A1 WO2023240694 A1 WO 2023240694A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- adhesive
- layer
- display panel
- display
- self
- Prior art date
Links
- 239000012790 adhesive layer Substances 0.000 claims abstract description 64
- 239000000853 adhesive Substances 0.000 claims abstract description 37
- 239000010410 layer Substances 0.000 claims description 64
- 239000000463 material Substances 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 229920000728 polyester Polymers 0.000 claims description 10
- 229920001169 thermoplastic Polymers 0.000 claims description 10
- 239000004416 thermosoftening plastic Substances 0.000 claims description 10
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 7
- 239000004642 Polyimide Substances 0.000 claims description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 7
- 229920001721 polyimide Polymers 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000003738 black carbon Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- -1 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
- B32B2307/4023—Coloured on the layer surface, e.g. ink
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/42—Polarizing, birefringent, filtering
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
- B32B2307/737—Dimensions, e.g. volume or area
- B32B2307/7375—Linear, e.g. length, distance or width
- B32B2307/7376—Thickness
-
- 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
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
Definitions
- the present application relates to the field of display equipment, particularly a display module and a display device.
- the SCF module is composed of a heat dissipation layer, a support layer, a foam layer, a light-shielding layer, and a release mold.
- a composite film layer composed of multiple film layers such as film and protective layer.
- the design, material preparation, and preparation of the panel are very cumbersome, which not only increases the difficulty of the preparation process, but also keeps the production cost high. .
- the purpose of this application is to provide a display module and a display device to solve the technical problems in the prior art that the film layer structure of the display panel support structure is complicated, the preparation process is complex, and the production cost is high.
- the present application provides a display module, which includes a display panel, a self-adhesive backplane and a support plate.
- the self-adhesive backsheet is provided on the back side of the display panel.
- the support plate is disposed on a surface of the self-adhesive backplane away from the display panel.
- the self-adhesive backplane includes at least two adhesive layers, one of the at least two adhesive layers faces the display panel, and the other of the at least two adhesive layers faces the support plate. .
- the self-adhesive backboard includes a flexible support layer, a first adhesive layer and a second adhesive layer.
- the first adhesive layer is disposed on a surface of the flexible support layer facing the display panel.
- the second adhesive layer is provided on a surface of the flexible support layer facing the support plate.
- the material of the flexible support layer includes at least one of thermoplastic polyester, polyimide and cyclic olefin polymer.
- the material of the first adhesive layer and the material of the second adhesive layer both contain pressure-sensitive adhesive.
- the material of the second adhesive layer also contains a light-shielding material.
- thermoplastic polyester is polyethylene terephthalate.
- the display module further includes a light-shielding layer, and the light-shielding layer is provided on a surface of the support plate facing the self-adhesive backplane.
- the material of the light-shielding layer contains black carbon powder particles.
- the material of the support plate contains at least one metal.
- the metal includes at least one of aluminum, titanium, nickel, iron and copper.
- the thickness of the support plate is 300 microns-150 microns.
- the display module also includes a polarizer and a cover plate.
- the polarizer is disposed on a surface of the display panel away from the self-adhesive backsheet.
- the cover plate is disposed on a surface of the polarizer away from the display panel.
- this application also provides a display device, which includes the display module as described above.
- the advantage of this application is that in the display module and display device provided by this application, a self-adhesive back plate and a support plate are provided to provide support for the display panel, eliminating the SCF module in the prior art and simplifying the
- the structure of the display module greatly reduces the thickness of the display module, and also reduces the preparation process and difficulty of the display module, improves production efficiency, and reduces production costs.
- Figure 1 is a schematic structural diagram of a display module in Embodiment 1 of the present application.
- FIG. 2 is a structural schematic diagram of the support structure in Embodiment 1 of the present application.
- Figure 3 is a schematic structural diagram of a display module in Embodiment 2 of the present application.
- Figure 4 is a schematic structural diagram of the support structure in Embodiment 2 of the present application.
- Display module 1 display panel 10;
- Support structure 20 self-adhesive back panel 21;
- first adhesive layer 211 flexible support layer 212;
- a component When a component is referred to as being "on” another component, it can be directly positioned on the other component; or an intervening component may be present, with the component positioned on the intermediate component, and the component may be positioned directly on the other component.
- the middle part is placed on another part.
- the display device is a fixed curved (fixed curved surface) display device, which includes a display module 1 .
- the display module 1 includes a laminated display panel 10 , a support structure 20 , a polarizer 30 and a cover 40 .
- the display device can be any display device with a display function, such as a mobile phone, a notebook computer, a tablet computer, etc.
- the display panel 10 is a flexible display panel 10, which can realize curved display.
- the display panel 10 has a display surface 11 and a back surface 12 disposed opposite to the display surface 11 .
- the display surface 11 is a surface on which the display panel 10 displays images.
- the support structure 20 is a curved support structure 20, which is used to fix the curvature of the display panel 10 to achieve curved screen display. As shown in FIG. 1 , the support structure 20 includes a self-adhesive back plate 21 and a support plate 22 which are stacked in sequence.
- the self-adhesive backsheet 21 is attached to the back 12 of the display panel 10 . As shown in FIG. 2 , the self-adhesive backsheet 21 includes a first adhesive layer 211 , a second adhesive layer 213 and A flexible support layer 212.
- the flexible support layer 212 is provided between the support plate 22 and the display panel 10 to flexibly support the display panel 10. At the same time, the flexible support layer 212 can also buffer and protect the display panel 10 through its flexible characteristics. The display panel 10 reduces the risk of the display panel 10 being broken during transportation.
- the flexible support layer 212 may be made of one or more of thermoplastic polyester, polyimide (PI), and cyclic olefin polymer (COP).
- the thermoplastic polyester may be polyethylene terephthalate (PET).
- the first adhesive layer 211 is provided on a surface of the flexible support layer 212 facing the display panel 10 , and is used to adhere the flexible support layer 212 to the back 12 of the display panel 10 .
- the second adhesive layer 213 is provided on a surface of the flexible support layer 212 facing the support plate 22 and is used to adhere the support plate 22 to the flexible support layer 212 away from the display panel. 10 on the surface.
- the first adhesive layer 211 and the second adhesive layer 213 are both transparent adhesive layers prepared by pressure-sensitive adhesive materials, which can be respectively prepared on the flexible support layer 212 through a liquid coating process.
- the liquid first adhesive layer 211 and the liquid second adhesive layer 213 are solidified, they form an integrated self-adhesive back plate 21 with the flexible support layer 212, and the self-adhesive back plate 21 can be directly attached to the flexible support layer 212.
- the board 21 is aligned and pasted with the display panel 10 and the support plate 22 , which simplifies the bonding structure in the existing support structure 20 and also reduces the number of alignment pastings.
- the support plate 22 is attached to a surface of the flexible support layer 212 through the second adhesive layer 213 .
- the support plate 22 is a rigid support plate 22 with a thickness of 30 microns to 150 microns.
- the support plate 22 is made of a metal or alloy with excellent thermal conductivity, such as one or more metals such as aluminum, titanium, nickel, iron, and copper. Various.
- the support plate 22 is mainly used to provide rigid support for the flexible curved display panel 10 and fix the curvature of the curved surface, thereby maintaining the curved surface characteristics of the display panel 10 .
- the support plate 22 can also improve the heat dissipation efficiency of the display module 1 through the characteristics of the metal material, even out the temperature of the display module 1, prevent thermal damage, and provide electromagnetic shielding for the display panel 10 to prevent External electromagnetic signals affect the operation of the display panel 10 .
- the support structure 20 also includes a light-shielding layer 23 .
- the light shielding layer 23 is used to shield light, prevent the light emitted by the display panel 10 from being refracted on the metal support plate 22 and cause uneven light emission of the display module 1, and also prevent external light from passing through the metal support plate 22.
- the back 12 of the display module 1 enters and affects the display effect.
- the material of the light-shielding layer 23 contains black light-shielding materials, such as black carbon powder particles, which can be prepared by coating, 3D inkjet printing and other processes on the support structure 20 facing the self-adhesive back plate 21 On the surface.
- the polarizer 30 is disposed on the display surface 11 of the display panel 10 , and is used to change the polarization state of light and realize the passage and shutdown of light, thereby eliminating the interference in the display module 1 .
- Ambient light thereby improving the display contrast of display module 1.
- the cover 40 is disposed on a surface of the polarizer 30 away from the display panel 10 , and is used to protect the display surface 11 of the display module 1 . Further, a layer of photosensitive adhesive layer 50 can be coated between the polarizer 30 and the cover plate 40 to fix the cover plate 40 on the surface of the polarizer 30 .
- the flexible support layer 212 and the adhesive layer are integrated to form a self-adhesive backplane 21 with a self-adhesive function.
- the fit and fixation of 22 also simplifies the bonding structure of the support structure 20 .
- a single-layer support plate 22 made of metal is used to replace the SCF module with multiple film layers in the prior art. This simplifies the process without affecting the support and heat dissipation functions of the support structure 20.
- the overall structure of the support structure 20 is reduced, and the overall thickness of the display module 1 is reduced, which not only achieves portability but also eliminates the cumbersome preparation procedures and die-cutting costs of the existing SCF module, greatly reducing the cost of the support structure 20
- the preparation difficulty is improved and the production efficiency is improved to reduce the production cost of the display module 1.
- the display module 1 includes a display panel 10, a support structure 20, a polarizer 30 and a cover 40 arranged in a stack. .
- the display panel 10 is a flexible display panel 10, which can realize curved display.
- the display panel 10 has a display surface 11 and a back surface 12 disposed opposite to the display surface 11 .
- the display surface 11 is a surface on which the display panel 10 displays images.
- the support structure 20 is a curved support structure 20, which is used to fix the curvature of the display panel 10 to achieve curved screen display. As shown in FIG. 4 , the support structure 20 includes a self-adhesive back plate 21 and a support plate 22 that are stacked in sequence.
- the self-adhesive backsheet 21 is attached to the back 12 of the display panel 10 . As shown in FIG. 4 , the self-adhesive backsheet 21 includes a first adhesive layer 211 , a second adhesive layer 213 and A flexible support layer 212.
- the flexible support layer 212 is provided between the support plate 22 and the display panel 10 to flexibly support the display panel 10. At the same time, the flexible support layer 212 can also buffer and protect the display panel 10 through its flexible characteristics. The display panel 10 reduces the risk of the display panel 10 being broken during transportation.
- the flexible support layer 212 may be made of one or more of thermoplastic polyester, polyimide (PI), and cyclic olefin polymer (COP).
- the thermoplastic polyester may be polyethylene terephthalate (PET).
- the first adhesive layer 211 is provided on a surface of the flexible support layer 212 facing the display panel 10 , and is used to adhere the flexible support layer 212 to the back 12 of the display panel 10 .
- the second adhesive layer 213 is provided on a surface of the flexible support layer 212 facing the support plate 22 and is used to adhere the support plate 22 to the flexible support layer 212 away from the display panel. 10 on the surface.
- the first adhesive layer 211 is a transparent adhesive layer
- the second adhesive layer 213 is a light-shielding adhesive layer
- both the first adhesive layer 211 and the second adhesive layer 213 are made of pressure-sensitive adhesive. It is made of materials, which can be respectively prepared on the upper and lower surfaces of the flexible support layer 212 through a liquid coating process. After the liquid first adhesive layer 211 and the liquid second adhesive layer 213 are solidified, they can be combined with the flexible support layer 212.
- the flexible support layer 212 forms an integrated self-adhesive backplate 21, which can be directly aligned and pasted with the display panel 10 and the support plate 22, thus simplifying the existing support structure 20.
- the bonding structure can also reduce the steps of alignment and fitting.
- the preparation materials of the second adhesive layer 213 also include light-shielding materials, such as black carbon powder particles, so that the second adhesive layer 213 can block light and prevent the light emitted by the display panel 10 from being blocked. Refraction on the reflective support plate 22 causes uneven light emission from the display module 1. At the same time, it can also prevent external light from entering from the back 12 of the display module 1 and affecting the display effect.
- light-shielding materials such as black carbon powder particles
- the support plate 22 is attached to a surface of the flexible support layer 212 through the second adhesive layer 213 .
- the support plate 22 is a rigid support plate 22 with a thickness of 30 microns to 150 microns.
- the support plate 22 is made of a metal or alloy with excellent thermal conductivity, such as one of aluminum, titanium, nickel, iron, copper and other metals.
- the support plate 22 is mainly used to provide rigid support for the flexible curved display panel 10 and fix the curvature of the curved surface, thereby maintaining the curved surface characteristics of the display panel 10 .
- the support plate 22 can also improve the heat dissipation efficiency of the display module 1 through the characteristics of the metal material, and provide electromagnetic shielding for the display panel 10 to prevent external electromagnetic signals from affecting the operation of the display panel 10 .
- the polarizer 30 is disposed on the display surface 11 of the display panel 10 , and is used to change the polarization state of light and realize the passage and shutdown of light, thereby eliminating the interference in the display module 1 .
- Ambient light thereby improving the display contrast of display module 1.
- the cover 40 is disposed on a surface of the polarizer 30 away from the display panel 10 , and is used to protect the display surface 11 of the display module 1 . Further, a layer of photosensitive adhesive layer 50 can be coated between the polarizer 30 and the cover plate 40 to fix the cover plate 40 on the surface of the polarizer 30 .
- the embodiments of this application are the best embodiments.
- the display module provided in the embodiment of the present application removes the light-shielding layer on the basis of the display module in Embodiment 1 of the present application, thereby further reducing the thickness of the display module and also eliminating the preparation step of the light-shielding layer. Reduce the preparation process and improve production efficiency.
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- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
一种显示模组（1）及显示装置。显示模组（1）包括显示面板（10）、设于显示面板（10）上的自粘背板（21）以及设于自粘背板（21）上的支撑板（22）。自粘背板（21）包括至少两个粘接层，至少两个粘接层中的一个朝向显示面板（10），至少两个粘接层中的另一个朝向支撑板（22）。通过设置自粘背板（21）和支撑板（22）为显示面板（10）提供支撑，大大缩减了显示模组（1）的厚度并降低生产的难度和成本。
Description
本申请涉及显示设备领域，特别是一种显示模组及显示装置。
随着显示屏幕技术的迭代更新，显示模组的结构简易化及成本降低化是如今开发的重点方向。目前市面上通用的固曲模组结构中一般设有SCF（Super Clean Foam，超净泡沫）模组，所述SCF模组是一种由散热层、支撑层、泡沫层、遮光层、离型膜、保护层等多层膜层组合而成的复合膜层。SCF模组中每一层材料的选型、膜层的贴合、膜层的裁切等每一道制备工艺都会影响着最终屏幕的显示效果，严重影响最终产品的良品率。因此，为降低SCF模组这种复杂结构对显示模组良品率的影响，在面板的设计、备料、制备等方面都十分繁琐，不仅提高了制备工艺上的难度，同时生产成本也居高不下。
本申请的目的是提供一种显示模组及显示装置，以解决现有技术中显示面板支撑结构的膜层结构繁琐、制备流程复杂且生产成本高等技术问题。
为实现上述目的，本申请提供一种显示模组，所述显示模组包括显示面板、自粘背板以及支撑板。所述自粘背板设于所述显示面板的背面上。所述支撑板设于所述自粘背板远离所述显示面板的一表面上。其中，所述自粘背板包括至少两个粘接层，所述至少两个粘接层中的一个朝向所述显示面板，所述至少两个粘接层中的另一个朝向所述支撑板。
进一步地，所述自粘背板包括柔性支撑层、第一粘接层和第二粘接层。所述第一粘接层设于所述柔性支撑层朝向所述显示面板的一表面上。所述第二粘接层设于所述柔性支撑层朝向所述支撑板的一表面上。
进一步地，所述柔性支撑层的材料中包含热塑性聚酯、聚酰亚胺和环烯烃聚合物中的至少一种。所述第一粘接层的材料和所述第二粘接层的材料中都含有压敏胶材。
进一步地，所述第二粘接层的材料中还含有遮光材料。
进一步地，所述热塑性聚酯为聚对苯二甲酸乙二醇酯。
进一步地，所述显示模组还包括遮光层，所述遮光层设于所述支撑板朝向所述自粘背板的一表面上。
进一步地，所述遮光层的材料中包含黑色碳粉颗粒。
进一步地，所述支撑板的材料中包含至少一种金属。所述金属包括铝、钛、镍、铁和铜中的至少一种。
进一步地，所述支撑板的厚度为300微米-150微米。
进一步地，所述显示模组还包括偏光片和盖板。所述偏光片设于所述显示面板远离所述自粘背板的一表面上。所述盖板设于所述偏光片远离所述显示面板的一表面上。
进一步地，本申请中还提供一种显示装置，所述显示装置包括如上所述的显示模组。
本申请的优点是：在本申请所提供的一种显示模组及显示装置中，通过设置自粘背板和支撑板为显示面板提供支撑，去除了现有技术中的SCF模组，简化了显示模组的结构并大大降低了显示模组的厚度，同时也减少了所述显示模组的制备流程以及制备难度，提高了生产效率，并降低了生产成本。
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例1中显示模组的结构示意图；
图2为本申请实施例1中支撑结构的结构示意图；
图3为本申请实施例2中显示模组的结构示意图；
图4为本申请实施例2中支撑结构的结构示意图。
附图标记说明：
显示模组1；显示面板10；
显示面11；背面12；
支撑结构20；自粘背板21；
第一粘接层211；柔性支撑层212；
第二粘接层213；支撑板22；
遮光层23；偏光片30；
盖板40；光敏胶层50。
本申请的实施方式
以下参考说明书附图介绍本申请的优选实施例，证明本申请可以实施，所述实施例可以向本领域中的技术人员完整介绍本申请，使其技术内容更加清楚和便于理解。本申请可以通过许多不同形式的实施例来得以体现，本申请的保护范围并非仅限于文中提到的实施例。
在附图中，结构相同的部件以相同数字标号表示，各处结构或功能相似的组件以相似数字标号表示。附图所示的每一部件的尺寸和厚度是任意示出的，本申请并没有限定每个组件的尺寸和厚度。为了使图示更清晰，附图中有些地方适当夸大了部件的厚度。
此外，以下各实施例的说明是参考附加的图示，用以例示本申请可用以实施的特定实施例。本申请中所提到的方向用语，例如，“上”、“下”、“前”、“后”、“左”、“右”、“内”、“外”、“侧面”等，仅是参考附加图式的方向，因此，使用的方向用语是为了更好、更清楚地说明及理解本申请，而不是指示或暗指所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”、“第三”等仅用于描述目的，而不能理解为指示或暗示相对重要性。
当某些部件被描述为“在另一部件上”时，所述部件可以直接置于所述另一部件上；也可以存在一中间部件，所述部件置于所述中间部件上，且所述中间部件置于另一部件上。当一个部件被描述为“安装至”或“连接至”另一部件时，二者可以理解为直接“安装”或“连接”，或者一个部件通过一中间部件间接“安装至”、或“连接至”另一个部件。
实施例1
本申请实施例中提供一种显示装置，所述显示装置为固曲（固定曲面）显示装置，其包括一显示模组1。如图1所示，所述显示模组1中包括叠层设置的一显示面板10、一支撑结构20、一偏光片30以及一盖板40。所述显示装置可以为任何带有显示功能的显示器件，例如手机、笔记本电脑、平板电脑等。
所述显示面板10为柔性显示面板10，其可实现曲面显示。所述显示面板10具有一显示面11以及与所述显示面11相背设置的背面12。其中，所述显示面11即为所述显示面板10显示图像的一表面。
所述支撑结构20为固曲支撑结构20，其用于固定所述显示面板10曲面弧度，以实现曲面屏显示。如图1所示，所述支撑结构20包括依次叠层设置的一自粘背板21以及一支撑板22。
所述自粘背板21贴覆于所述显示面板10的背面12上，如图2所示，所述自粘背板21包括一第一粘接层211、一第二粘接层213以及一柔性支撑层212。
所述柔性支撑层212设于所述支撑板22与所述显示面板10之间，其用于柔性支撑所述显示面板10，同时所述柔性支撑层212通过其柔性特征还能缓冲保护所述显示面板10，降低所述显示面板10在运输途中发生破片的风险。具体的，所述柔性支撑层212的制备材料可以为热塑性聚酯、聚酰亚胺（PI）和环烯烃聚合物（COP）中的一种或多种。优选的，所述热塑性聚酯可以为聚对苯二甲酸乙二醇酯（PET）。
所述第一粘接层211设于所述柔性支撑层212朝向所述显示面板10的一表面上，其用于将所述柔性支撑层212粘接在所述显示面板10的背面12上。
所述第二粘接层213设于所述柔性支撑层212朝向所述支撑板22的一表面上，其用于将所述支撑板22粘接在所述柔性支撑层212远离所述显示面板10的一表面上。
其中，所述第一粘接层211和所述第二粘接层213均是通过压敏胶材制备而成透明胶层，其可通过液态涂布工艺分别制备在所述柔性支撑层212的上下表面上，待液态的第一粘接层211和液态的第二粘接层213固化后便与所述柔性支撑层212形成一体化的自粘背板21，可直接将所述自粘背板21与所述显示面板10和所述支撑板22进行对位粘贴，简化了现有支撑结构20中的粘接结构，同时也能缩减对位贴合的次数。
所述支撑板22通过所述第二粘接层213贴覆在所述柔性支撑层212的一表面上。所述支撑板22为硬性支撑板22，其厚度为30微米-150微米，其制备材料为具有优异导热性能的金属或合金，例如铝、钛、镍、铁和铜等金属中的一种或多种。所述支撑板22主要用于为柔性的曲面显示面板10提供硬性支撑，固定曲面弧度，从而保持所述显示面板10曲面特性。同时，所述支撑板22通过金属材料的特性还能提高显示模组1的散热效率，均匀所述显示模组1的温度，防止出现热损伤，并为所述显示面板10进行电磁屏蔽，防止外界电磁信号影响显示面板10的运行。
进一步地，所述支撑结构20中还包括一遮光层23。所述遮光层23用于遮蔽光线，防止所述显示面板10所发出的光线在金属支撑板22上折射而造成所述显示模组1出光不均匀的问题，同时也能防止外界光线从所述显示模组1的背面12进入而影响显示效果。具体的，所述遮光层23的材料中含有黑色遮光材料，例如黑色碳粉颗粒，其可通过涂布、3D喷墨打印等工艺制备在所述支撑结构20朝向所述自粘背板21的一表面上。
如图1所示，所述偏光片30设于所述显示面板10的显示面11上，其用于改变光的偏振状态，实现光的通过与关闭，从而消除所述显示模组1中的环境光，进而提升显示模组1的显示对比度。
所述盖板40设于所述偏光片30远离所述显示面板10的一表面上，其用于保护所述显示模组1的显示面11。进一步地，在所述偏光片30与所述盖板40之间可以涂布一层光敏胶层50，从而将所述盖板40固定在所述偏光片30的表面上。
在本申请实施例中所提供的显示模组1中，将柔性支撑层212与粘接层一体化设置，形成具有自粘功能的自粘背板21，在实现其与显示面板10和支撑板22的贴合固定同时简化了支撑结构20的粘接结构。并且，本申请实施例中还使用金属材质的单层支撑板22替换了现有技术中的具有多层膜层的SCF模组，在不影响支撑结构20的支撑和散热功能的前提下，简化了支撑结构20的整体结构，并减薄了显示模组1的整体厚度，实现轻便化的同时也省去了现有SCF模组繁琐的制备程序以及模切成本，大大降低了支撑结构20的制备难度并提高了生产效率，以减少显示模组1的生产成本。
实施例2
本实施例中提供了一种显示模组1，如图3所示，所述显示模组1中包括叠层设置的一显示面板10、一支撑结构20、一偏光片30以及一盖板40。
所述显示面板10为柔性显示面板10，其可实现曲面显示。所述显示面板10具有一显示面11以及与所述显示面11相背设置的背面12。其中，所述显示面11即为所述显示面板10显示图像的一表面。
所述支撑结构20为固曲支撑结构20，其用于固定所述显示面板10曲面弧度，以实现曲面屏显示。如图4所示，所述支撑结构20包括依次叠层设置的一自粘背板21以及一支撑板22。
所述自粘背板21贴覆于所述显示面板10的背面12上，如图4所示，所述自粘背板21包括一第一粘接层211、一第二粘接层213以及一柔性支撑层212。
所述柔性支撑层212设于所述支撑板22与所述显示面板10之间，其用于柔性支撑所述显示面板10，同时所述柔性支撑层212通过其柔性特征还能缓冲保护所述显示面板10，降低所述显示面板10在运输途中发生破片的风险。具体的，所述柔性支撑层212的制备材料可以为热塑性聚酯、聚酰亚胺（PI）和环烯烃聚合物（COP）中的一种或多种。优选的，所述热塑性聚酯可以为聚对苯二甲酸乙二醇酯（PET）。
所述第一粘接层211设于所述柔性支撑层212朝向所述显示面板10的一表面上，其用于将所述柔性支撑层212粘接在所述显示面板10的背面12上。
所述第二粘接层213设于所述柔性支撑层212朝向所述支撑板22的一表面上，其用于将所述支撑板22粘接在所述柔性支撑层212远离所述显示面板10的一表面上。
其中，所述第一粘接层211为透明胶层，所述第二粘接层213为遮光胶层，所述第一粘接层211和所述第二粘接层213均通过压敏胶材制备而成，其可通过液态涂布工艺分别制备在所述柔性支撑层212的上下表面上，待液态的第一粘接层211和液态的第二粘接层213固化后便与所述柔性支撑层212形成一体化的自粘背板21，可直接将所述自粘背板21与所述显示面板10和所述支撑板22进行对位粘贴，简化了现有支撑结构20中的粘接结构，同时也能缩减对位贴合的步骤。
进一步地，所述第二粘接层213的制备材料中还包括遮光材料，例如黑色碳粉颗粒，从而使所述第二粘接层213能遮蔽光线，防止所述显示面板10所发出的光线在反光的支撑板22上折射而造成所述显示模组1出光不均匀，同时也能防止外界光线从所述显示模组1的背面12进入而影响显示效果。
所述支撑板22通过所述第二粘接层213贴覆在所述柔性支撑层212的一表面上。所述支撑板22为硬性支撑板22，其厚度为30微米-150微米，其制备材料为具有优异导热性能的金属或合金，例如铝、钛、镍、铁和铜等金属中的一种或多种。所述支撑板22主要用于为柔性的曲面显示面板10提供硬性支撑，固定曲面弧度，从而保持所述显示面板10曲面特性。同时，所述支撑板22通过金属材料的特性还能提高显示模组1的散热效率，并为所述显示面板10进行电磁屏蔽，防止外界电磁信号影响显示面板10的运行。
如图4所示，所述偏光片30设于所述显示面板10的显示面11上，其用于改变光的偏振状态，实现光的通过与关闭，从而消除所述显示模组1中的环境光，进而提升显示模组1的显示对比度。
所述盖板40设于所述偏光片30远离所述显示面板10的一表面上，其用于保护所述显示模组1的显示面11。进一步地，在所述偏光片30与所述盖板40之间可以涂布一层光敏胶层50，从而将所述盖板40固定在所述偏光片30的表面上。
本申请实施例为最佳实施例。本申请实施例所提供的显示模组在本申请实施例1中显示模组的基础上去除了遮光层，从而进一步缩减所述显示模组的厚度，同时也能省去遮光层的制备步骤，进一步减少制备流程，提高生产效率。
虽然在本文中参照了特定的实施方式来描述本申请，但是应该理解的是，这些实施例仅仅是本申请的原理和应用的示例。因此应该理解的是，可以对示例性的实施例进行许多修改，并且可以设计出其他的布置，只要不偏离所附权利要求所限定的本申请的精神和范围。应该理解的是，可以通过不同于原始权利要求所描述的方式来结合不同的从属权利要求和本文中所述的特征。还可以理解的是，结合单独实施例所描述的特征可以使用在其他所述实施例中。
Claims (20)
- 一种显示模组，其包括：显示面板；自粘背板，设于所述显示面板的背面上；支撑板，设于所述自粘背板远离所述显示面板的一表面上；其中，所述自粘背板包括至少两个粘接层，所述至少两个粘接层中的一个朝向所述显示面板，所述至少两个粘接层中的另一个朝向所述支撑板。
- 如权利要求1所述的显示模组，其中，所述自粘背板包括柔性支撑层、第一粘接层和第二粘接层，所述第一粘接层设于所述柔性支撑层朝向所述显示面板的一表面上；所述第二粘接层设于所述柔性支撑层朝向所述支撑板的一表面上。
- 如权利要求2所述的显示模组，其中，所述柔性支撑层的材料中包含热塑性聚酯、聚酰亚胺和环烯烃聚合物中的至少一种；所述第一粘接层的材料和所述第二粘接层的材料中都含有压敏胶材。
- 如权利要求3所述的显示模组，其中，所述第二粘接层的材料中还含有遮光材料。
- 如权利要求3所述的显示模组，其中，所述热塑性聚酯为聚对苯二甲酸乙二醇酯。
- 如权利要求1所述的显示模组，其还包括：遮光层，设于所述支撑板朝向所述自粘背板的一表面上。
- 如权利要求6所述的显示模组，其中，所述遮光层的材料中包含黑色碳粉颗粒。
- 如权利要求1所述的显示模组，其中，所述支撑板的材料中包含至少一种金属；所述金属包括铝、钛、镍、铁和铜中的至少一种。
- 如权利要求1所述的显示模组，其中，所述支撑板的厚度为300-150微米。
- 如权利要求1所述的显示模组，其还包括：偏光片，设于所述显示面板远离所述自粘背板的一表面上；盖板，设于所述偏光片远离所述显示面板的一表面上。
- 一种显示装置，其包括显示模组；所述显示模组包括：显示面板；自粘背板，设于所述显示面板的背面上；支撑板，设于所述自粘背板远离所述显示面板的一表面上；其中，所述自粘背板包括至少两个粘接层，所述至少两个粘接层中的一个朝向所述显示面板，所述至少两个粘接层中的另一个朝向所述支撑板。
- 如权利要求11所述的显示装置，其中，所述自粘背板包括柔性支撑层、第一粘接层和第二粘接层，所述第一粘接层设于所述柔性支撑层朝向所述显示面板的一表面上；所述第二粘接层设于所述柔性支撑层朝向所述支撑板的一表面上。
- 如权利要求12所述的显示装置，其中，所述柔性支撑层的材料中包含热塑性聚酯、聚酰亚胺和环烯烃聚合物中的至少一种；所述第一粘接层的材料和所述第二粘接层的材料中都含有压敏胶材。
- 如权利要求13所述的显示装置，其中，所述第二粘接层的材料中还含有遮光材料。
- 如权利要求13所述的显示装置，其中，所述热塑性聚酯为聚对苯二甲酸乙二醇酯。
- 如权利要求11所述的显示装置，其还包括：遮光层，设于所述支撑板朝向所述自粘背板的一表面上。
- 如权利要求16所述的显示装置，其中，所述遮光层的材料中包含黑色碳粉颗粒。
- 如权利要求11所述的显示装置，其中，所述支撑板的材料中包含至少一种金属；所述金属包括铝、钛、镍、铁和铜中的至少一种。
- 如权利要求11所述的显示装置，其中，所述支撑板的厚度为300微米-150微米。
- 如权利要求11所述的显示装置，其还包括：偏光片，设于所述显示面板远离所述自粘背板的一表面上；盖板，设于所述偏光片远离所述显示面板的一表面上。
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| PCT/CN2022/102343 WO2023240694A1 (zh) | 2022-06-17 | 2022-06-29 | 显示模组及显示装置 |
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| US (1) | US20240173940A1 (zh) |
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| WO (1) | WO2023240694A1 (zh) |
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| CN112116875A (zh) * | 2020-10-13 | 2020-12-22 | 武汉华星光电半导体显示技术有限公司 | 一种可折叠显示模组 |
| CN113035059A (zh) * | 2021-02-26 | 2021-06-25 | 武汉华星光电半导体显示技术有限公司 | 显示模组 |
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| KR102623200B1 (ko) * | 2016-11-28 | 2024-01-09 | 엘지디스플레이 주식회사 | 플렉서블 기판과 이를 포함하는 플렉서블 표시장치 |
| CN109859642B (zh) * | 2018-12-17 | 2021-02-09 | 上海天马微电子有限公司 | 一种显示面板和显示装置 |
| CN110517589A (zh) * | 2019-08-29 | 2019-11-29 | 武汉华星光电半导体显示技术有限公司 | 柔性显示装置 |
| CN114078942B (zh) * | 2021-11-01 | 2023-05-02 | 武汉华星光电半导体显示技术有限公司 | Oled显示模组和oled显示装置 |
| CN114093274B (zh) * | 2021-12-09 | 2023-01-24 | 武汉华星光电半导体显示技术有限公司 | 显示装置及显示终端 |
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- 2022-06-29 US US17/758,972 patent/US20240173940A1/en active Pending
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| WO2022062765A1 (zh) * | 2020-09-28 | 2022-03-31 | 京东方科技集团股份有限公司 | 显示模组堆叠结构及显示装置 |
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| CN113035059A (zh) * | 2021-02-26 | 2021-06-25 | 武汉华星光电半导体显示技术有限公司 | 显示模组 |
| CN113903260A (zh) * | 2021-09-30 | 2022-01-07 | 京东方科技集团股份有限公司 | 一种显示模组及显示装置 |
| CN114613271A (zh) * | 2022-03-18 | 2022-06-10 | 武汉华星光电半导体显示技术有限公司 | 显示装置 |
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| Publication number | Publication date |
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| CN115100959A (zh) | 2022-09-23 |
| US20240173940A1 (en) | 2024-05-30 |
| CN115100959B (zh) | 2023-10-31 |
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