WO2023216381A1 - 显示面板与显示装置 - Google Patents
显示面板与显示装置 Download PDFInfo
- Publication number
- WO2023216381A1 WO2023216381A1 PCT/CN2022/100957 CN2022100957W WO2023216381A1 WO 2023216381 A1 WO2023216381 A1 WO 2023216381A1 CN 2022100957 W CN2022100957 W CN 2022100957W WO 2023216381 A1 WO2023216381 A1 WO 2023216381A1
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- WO
- WIPO (PCT)
- Prior art keywords
- particles
- layer
- haze
- glue layer
- scattering particles
- Prior art date
Links
- 239000002245 particle Substances 0.000 claims abstract description 175
- 239000010410 layer Substances 0.000 claims abstract description 130
- 239000002346 layers by function Substances 0.000 claims abstract description 51
- 239000012790 adhesive layer Substances 0.000 claims abstract description 27
- 239000003292 glue Substances 0.000 claims description 80
- 239000000463 material Substances 0.000 claims description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 10
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 10
- -1 polyethylene Polymers 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 7
- 239000004952 Polyamide Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 239000004417 polycarbonate Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 229920002223 polystyrene Polymers 0.000 claims description 6
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 6
- 229910001887 tin oxide Inorganic materials 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- 239000011863 silicon-based powder Substances 0.000 claims description 5
- 239000012044 organic layer Substances 0.000 claims description 4
- 230000003667 anti-reflective effect Effects 0.000 abstract description 15
- 238000002310 reflectometry Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 239000002356 single layer Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- SOLUNJPVPZJLOM-UHFFFAOYSA-N trizinc;distiborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-][Sb]([O-])([O-])=O.[O-][Sb]([O-])([O-])=O SOLUNJPVPZJLOM-UHFFFAOYSA-N 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
-
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/111—Anti-reflection coatings using layers comprising organic materials
Definitions
- the present application relates to the field of display, and in particular, to a display panel and a display device.
- anti-glare films usually achieve anti-glare effects by providing uneven surfaces, which makes it difficult to prepare the anti-reflective film provided on the anti-glare film, and the thickness uniformity of the formed anti-reflective film is poor. This results in poor anti-reflective effect.
- the present invention provides a display panel and a display device.
- the display panel can achieve a relatively low reflectivity index while ensuring a high transmittance while ensuring a certain haze.
- the present invention provides a display panel, which includes:
- An anti-reflection layer is provided on one side of the light-emitting surface of the panel body;
- the anti-reflection layer includes an anti-reflection functional layer and a haze glue layer disposed between the anti-reflection functional layer and the panel body.
- the haze glue layer is an organic layer doped with first scattering particles. Glue layer.
- the first scattering particles are inorganic scattering particles and/or organic scattering particles, and the inorganic scattering particles are selected from the group consisting of silicon oxide particles, titanium oxide particles, aluminum oxide particles, and zinc oxide particles. Particles, tin oxide particles, calcium carbonate particles, barium sulfate particles, calcium sulfate particles and silicon powder; the organic scattering particles are selected from polycarbonate particles, polymethyl methacrylate particles, polystyrene particles, polyethylene particles, Polyamide particles, polyimide particles and ethylene-tetrafluoroethylene copolymer particles, the material of the organic adhesive layer is pressure-sensitive adhesive or ultraviolet curable adhesive.
- the particle size of the first scattering particles is 500 nanometers - 2 micrometers.
- the content of the first scattering particles in the haze glue layer is 5-30 wt%.
- the thickness of the haze glue layer is 3-10 microns.
- a flattening adhesive layer is further provided on a surface of the haze adhesive layer away from the panel body.
- the planarization glue layer is further doped with second scattering particles, and the particle size of the second scattering particles is smaller than the particle size of the first scattering particles.
- an adhesive glue layer is further provided between the anti-reflection functional layer and the haze glue layer.
- the refractive index of the adhesive layer is greater than the refractive index of the anti-reflective functional layer.
- the material of the planarizing adhesive layer is pressure-sensitive adhesive or ultraviolet curing adhesive.
- a substrate layer is further provided on a side of the haze adhesive layer close to the panel body.
- the present invention also provides a display device.
- the display device includes a display panel, and the display panel includes:
- An anti-reflection layer is provided on one side of the light-emitting surface of the panel body;
- the anti-reflection layer includes an anti-reflection functional layer and a haze glue layer disposed between the anti-reflection functional layer and the panel body.
- the haze glue layer is an organic layer doped with first scattering particles. Glue layer.
- the first scattering particles are inorganic scattering particles and/or organic scattering particles, and the inorganic scattering particles are selected from the group consisting of silicon oxide particles, titanium oxide particles, aluminum oxide particles, and zinc oxide particles. Particles, tin oxide particles, calcium carbonate particles, barium sulfate particles, calcium sulfate particles and silicon powder; the organic scattering particles are selected from polycarbonate particles, polymethyl methacrylate particles, polystyrene particles, polyethylene particles, Polyamide particles, polyimide particles and ethylene-tetrafluoroethylene copolymer particles, the material of the organic adhesive layer is pressure-sensitive adhesive or ultraviolet curable adhesive.
- the particle size of the first scattering particles is 500 nanometers - 2 micrometers.
- the content of the first scattering particles in the haze glue layer is 5-30 wt%.
- the thickness of the haze glue layer is 3-10 microns.
- a flattening adhesive layer is further provided on a surface of the haze adhesive layer away from the panel body.
- the planarization glue layer is further doped with second scattering particles, and the particle size of the second scattering particles is smaller than the particle size of the first scattering particles.
- an adhesive glue layer is further provided between the anti-reflection functional layer and the haze glue layer.
- the refractive index of the adhesive layer is greater than the refractive index of the anti-reflection functional layer.
- the present invention provides a display panel and a display device.
- the display panel includes a panel body and an anti-reflection layer disposed on one side of the light-emitting surface of the panel body; wherein the anti-reflection layer includes an anti-reflection functional layer and an anti-reflection layer.
- the haze glue layer between the anti-reflection functional layer and the panel body, the haze glue layer is an organic glue layer doped with first scattering particles, that is, between the conventional anti-reflection functional layer and the panel
- a haze glue layer is added between the main bodies, and the haze glue layer is doped with scattering particles internally to achieve the required haze value, so that the haze glue layer has a flat surface.
- the haze glue layer is set at the haze
- the formation process of the anti-reflection functional layer on the glue layer is simple, and the film thickness of the formed anti-reflection functional layer is highly uniform to achieve better anti-reflection effect.
- the combination can achieve a relatively low reflectivity index while ensuring a high transmittance while ensuring a certain haze.
- Figure 1 is a schematic cross-sectional structural diagram of a first display panel according to an embodiment of the present invention
- Figure 2 is a schematic cross-sectional structural diagram of a second display panel according to an embodiment of the present invention.
- Figure 3 is a schematic cross-sectional structural diagram of a third display panel provided by an embodiment of the present invention.
- Figure 4 is a schematic cross-sectional structural diagram of a fourth display panel according to an embodiment of the present invention.
- Figure 5 is a schematic cross-sectional structural diagram of a fifth display panel according to an embodiment of the present invention.
- Figure 6 is a schematic cross-sectional structural diagram of a sixth display panel according to an embodiment of the present invention.
- FIG. 7 is a schematic cross-sectional structural diagram of a seventh display panel according to an embodiment of the present invention.
- first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features.
- features defined as “first” and “second” may explicitly or implicitly include one or more of the described features.
- “plurality” means two or more than two, unless otherwise explicitly and specifically limited.
- An embodiment of the present invention provides a display panel, which will be described in detail below with reference to the cross-sectional structure of the display panel shown in FIG. 1 .
- the display panel includes a panel body 100 and an anti-reflection layer 200 disposed on one side of the light-emitting surface of the panel body 100 .
- the anti-reflection layer 200 includes an anti-reflection functional layer 220 and an anti-reflection functional layer 220 disposed on the anti-reflection functional layer.
- the haze glue layer 210 between 220 and the panel body 100, the haze glue layer 210 is an organic glue layer doped with first scattering particles;
- a haze glue layer 210 is added between the conventional anti-reflection functional layer 220 and the panel body 100, and the haze glue layer 210 achieves the required haze value by doping scattering particles inside, that is, the haze glue layer 210 has high internal haze and low external haze, so that the haze glue layer 210 has a flat surface.
- the formation process of the anti-reflection functional layer 220 provided on the haze glue layer 210 is simple.
- the film thickness uniformity of the formed anti-reflection functional layer 220 is high to achieve better anti-reflection effect.
- a certain haze can be ensured. Under the circumstances, a relatively low reflectivity index can be achieved while ensuring a high transmittance.
- the haze of the anti-reflection layer 200 can reach more than 30%, while the reflectivity is reduced to about 1.5%.
- the panel body is the main structure for realizing display, and the display type of the panel body is not limited, and can be liquid crystal display type, organic light emitting type or micro light emitting diode type, etc.;
- the anti-reflection functional layer 220 is a conventional film layer that reduces reflectivity, and can be a single-layer structure, as shown in Figure 1.
- the anti-reflection functional layer 220 can also be set as a double-layer structure.
- the combination of different refractive index layers can form different types of reflection peaks, and each refractive index The combination of layers has different reflection bands. Compared with a single layer, the reflection peak formed by a reasonable combination of double layers covers a wider band than a single layer, which naturally reduces the reflectivity and improves color shift.
- the anti-reflection functional layer 220 includes a first anti-reflection functional sub-layer 221 and a second anti-reflection functional sub-layer 222 which are sequentially disposed on the haze glue layer 210.
- the first anti-reflection functional sub-layer The refractive index of 221 is greater than the second anti-reflection functional sub-layer 222;
- the anti-reflection functional layer 220 when the anti-reflection functional layer 220 has a single-layer structure, the anti-reflection functional layer 220 is usually a low refractive index film layer;
- the second anti-reflective functional sub-layer 222 is usually a low-refractive index film layer, and the first anti-reflective functional sub-layer 221 can be a low refractive index film layer. Or high refractive index film layer;
- the refractive index of the low-refractive index film layer is usually 1.1-1.45.
- Wet coating process can be used to combine the loose porous film or the low-refractive adhesive containing mesoporous sphere (hollow sphere) particles of the binder, etc.
- magnetron sputtering, evaporation, chemical vapor deposition and other methods can also be used to form a film.
- mesoporous (hollow) silica resin balls or loose porous silica produced by the sol-gel method are preferred.
- Resin film; wherein, the wet film-forming process includes micro-gravure coating, slit coating and other precision surface coating processes;
- the refractive index of the high refractive index film layer is usually 1.5-1.7, which is a mixture of binder resin (refractive index range of the resin body: 1.45-1.6) and high refractive index particles.
- the high refractive index particles include titanium oxide, oxide Zirconium, tin oxide, zinc antimonate, zinc oxide, cerium oxide, aluminum oxide, tantalum oxide, yttrium oxide, etc., among which zirconium oxide and/or titanium oxide are preferred.
- the first scattering particles are inorganic scattering particles, organic scattering particles or mixed scattering particles of inorganic scattering particles and organic scattering particles, wherein the inorganic scattering particles are selected from silicon oxide particles, titanium oxide particles, oxide Aluminum particles, zinc oxide particles, tin oxide particles, calcium carbonate particles, barium sulfate particles, calcium sulfate particles and silicon powder, etc.; the organic scattering particles are selected from polycarbonate particles, polymethyl methacrylate particles, polystyrene Particles, polyethylene particles, polyamide particles, polyimide particles and ethylene-tetrafluoroethylene copolymer particles, etc., for example, the first scattering particles are silicon oxide particles;
- the material of the organic glue layer is pressure-sensitive glue, ultraviolet curable glue, or other conventional resin glue materials in this field, which is not particularly limited in the present invention.
- the particle size of the first scattering particles is 500 nanometers - 2 microns.
- Light scattering occurs when light irradiates the scattering particles.
- the intensity and angle of the scattered light are related to the particle size of the scattering particles. Larger particle sizes The scattered light is stronger, but the scattering angle is narrower. The scattered light intensity of small particles is weaker, but the angle is wider.
- the particle size of the first scattering particles is 500 nanometers - 2 microns, which can make
- the haze glue layer 210 has a high haze value and light transmittance.
- the content of the first scattering particles is 5-30 wt%, and the thickness of the haze glue layer 210 is 3-10 microns.
- the haze adhesive layer 210 can meet the required haze requirements and achieve higher internal haze and lower external haze.
- the haze value reaches more than 20% while maintaining high light transmittance.
- a flat surface may be provided on the surface of the haze glue layer 210 away from the panel body 100 .
- Glue layer 230 The material of the planarization glue layer 230 is pressure-sensitive glue or ultraviolet curing glue. Generally, the material of the planarization glue layer 230 and the organic glue layer in the haze glue layer 210 are the same.
- the only difference is that the scattering particles are not doped, thus providing a flatter lower surface for the anti-reflection functional layer 220, which can further improve the uniformity of the film thickness of the anti-reflection functional layer 220, and contribute to the reduction of The reflective functional layer 220 achieves lower reflectivity.
- the planarization glue layer 230 is also doped with second scattering particles, and the particle size of the second scattering particles is set to be smaller than the particle size of the first scattering particles, then
- the flatness of the upper surface of the planarization glue layer 230 doped with the second scattering particles is better than the flatness of the upper surface of the haze glue layer 210 , and the anti-reflection function can still be improved to a certain extent.
- the flatness of the surface provided by layer 220, and the planarization glue layer 230 is also doped with second scattering particles.
- the material of the second scattering particles may be the same as or different from the first scattering particles.
- the anti-reflection functional layer 220 and the haze glue layer are also added.
- An adhesive layer 240 is added between the layers 210. Furthermore, through the selection of the material of the adhesive layer 240, the refractive index of the adhesive layer 240 is greater than the upper anti-reflection functional layer 220. The refractive index of the adhesive layer 240 is to further reduce the refractive index of the anti-reflective layer 200 through the matching of the adhesive layer 240 and the anti-reflective functional layer 220 on the basis of realizing the viscosity-increasing function. Reflectivity;
- the refractive index of the adhesive layer 240 is greater than the refractive index of the anti-reflection functional layer 220;
- the anti-reflection functional layer 220 When the anti-reflection functional layer 220 is a double-layer film, with reference to FIG. 2 , the anti-reflection functional layer 220 includes a first anti-reflection functional sub-layer 221 and a second anti-reflection functional sub-layer 222. At this time, the The refractive index of the adhesive layer 240 is greater than the refractive index of the first anti-reflective functional sub-layer 221 .
- the side of the haze glue layer 210 close to the panel body 100 is also provided with a substrate layer 250 , and the substrate layer is the upper layer of the haze glue layer 210 and the upper layer of the haze glue layer 210 .
- the anti-reflection functional layer 220 provides a certain supporting force.
- the material of the substrate layer 250 is usually a transparent resin material, such as polyethylene terephthalate, cellulose triacetate, polymethyl methacrylate. ester, polystyrene, polyethylene, polypropylene, polyvinyl chloride, polycarbonate and polyamide, etc.
- FIG. 1 There is a refractive index adjustment layer 260.
- the reflectivity waveform of the anti-reflection layer 200 is adjusted to achieve lower reflectivity.
- the above-mentioned display panel embodiments only describe the above-mentioned structures. It can be understood that in addition to the above-mentioned structures, the display panels in the embodiments of the present invention may also include any other necessary structures as needed. Specifically, here Not limited.
- the display device includes the display panel provided in the above embodiment.
- the display device includes but is not limited to mobile phones, smart watches, tablet computers, notebook computers, televisions, etc. .
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
一种显示面板与显示装置，显示面板包括面板主体（100）与设置于显示面板出光面的一侧的减反射层（200）；其中，减反射层（200）包括减反射功能层（220）以及设置于减反射功能层（220）与面板主体（100）之间的雾度胶层（210），雾度胶层（210）为掺杂有第一散射粒子的有机胶层。
Description
本申请涉及显示领域，尤其涉及一种显示面板与显示装置。
随着显示市场产品走向高端化及多元化，对于显示装置的性能需求逐渐上升，在户外及市内强灯光的条件下，当观看显示器时，会产生强眩光，时间长会伤害人眼；对于博物馆，教室等环境，眩光会干扰视物，降低展品价值，降低授课效率等，通过使用防眩光膜可以改善上述问题，但防眩光膜带来的问题，画面发白等还是会降低显示器可视性及光学性能，其表面需要搭配减反射膜同步使用，能大大提高显示性能，改善显示器可视效果。提高显示物自身价值。
目前，常用的防眩光膜通常通过提供凹凸不平的表面来实现防眩光的效果，这便导致设置在防眩光膜的减反射膜的制备难度大、且所形成的减反射膜厚度均一性较差进而导致减反射率的效果不佳。
本发明提供一种显示面板与显示装置，所述显示面板在保证一定雾度的情况下实现相对较低的反射率指标且同时保证较高的透过率。
为解决上述问题，第一方面，本发明提供一种显示面板，所述显示面板包括：
面板主体；
减反射层，设置于所述面板主体出光面的一侧；
其中，所述减反射层包括减反射功能层以及设置于所述减反射功能层与所述面板主体之间的雾度胶层，所述雾度胶层为掺杂有第一散射粒子的有机胶层。
在本发明实施例提供的一显示面板中，所述第一散射粒子为无机散射粒子和/或有机散射粒子，所述无机散射粒子选自氧化硅粒子、氧化钛粒子、氧化铝粒子、氧化锌粒子、氧化锡粒子、碳酸钙粒子、硫酸钡粒子、硫酸钙粒子以及硅粉；所述有机散射粒子选自聚碳酸酯粒子、聚甲基丙烯酸甲酯粒子、聚苯乙烯粒子、聚乙烯粒子、聚酰胺粒子、聚酰亚胺粒子以及乙烯-四氟乙烯共聚物粒子，所述有机胶层的材料为压敏胶或紫外光固化胶。
在本发明实施例提供的一显示面板中，所述第一散射粒子的粒径为500纳米-2微米。
在本发明实施例提供的一显示面板中，在所述雾度胶层中，所述第一散射粒子的含量为5-30wt%。
在本发明实施例提供的一显示面板中，所述雾度胶层的厚度为3-10微米。
在本发明实施例提供的一显示面板中，所述雾度胶层远离所述面板主体的表面还设置有平坦化胶层。
在本发明实施例提供的一显示面板中，所述平坦化胶层中还掺杂有第二散射粒子，所述第二散射粒子的粒径小于所述第一散射粒子的粒径。
在本发明实施例提供的一显示面板中，所述减反射功能层与所述雾度胶层之间还设置有粘结胶层。
在本发明实施例提供的一显示面板中，所述粘结胶层的折射率大于减反射功能层的折射率。
在本发明实施例提供的一显示面板中，所述平坦化胶层的材料为压敏胶或紫外光固化胶。
在本发明实施例提供的一显示面板中，所述雾度胶层靠近所述面板主体的一侧还设置有衬底层。
第二方面，本发明还提供了一种显示装置，所述显示装置包括显示面板，所述显示面板包括：
面板主体；
减反射层，设置于所述面板主体出光面的一侧；
其中，所述减反射层包括减反射功能层以及设置于所述减反射功能层与所述面板主体之间的雾度胶层，所述雾度胶层为掺杂有第一散射粒子的有机胶层。
在本发明实施例提供的一显示装置中，所述第一散射粒子为无机散射粒子和/或有机散射粒子，所述无机散射粒子选自氧化硅粒子、氧化钛粒子、氧化铝粒子、氧化锌粒子、氧化锡粒子、碳酸钙粒子、硫酸钡粒子、硫酸钙粒子以及硅粉；所述有机散射粒子选自聚碳酸酯粒子、聚甲基丙烯酸甲酯粒子、聚苯乙烯粒子、聚乙烯粒子、聚酰胺粒子、聚酰亚胺粒子以及乙烯-四氟乙烯共聚物粒子，所述有机胶层的材料为压敏胶或紫外光固化胶。
在本发明实施例提供的一显示装置中，所述第一散射粒子的粒径为500纳米-2微米。
在本发明实施例提供的一显示装置中，在所述雾度胶层中，所述第一散射粒子的含量为5-30wt%。
在本发明实施例提供的一显示装置中，所述雾度胶层的厚度为3-10微米。
在本发明实施例提供的一显示装置中，所述雾度胶层远离所述面板主体的表面还设置有平坦化胶层。
在本发明实施例提供的一显示装置中，所述平坦化胶层中还掺杂有第二散射粒子，所述第二散射粒子的粒径小于所述第一散射粒子的粒径。
在本发明实施例提供的一显示装置中，所述减反射功能层与所述雾度胶层之间还设置有粘结胶层。
在本发明实施例提供的一显示装置中，所述粘结胶层的折射率大于减反射功能层的折射率。
本本发明提供了一种显示面板与显示装置，所述显示面板包括面板主体与设置于所述面板主体出光面的一侧的减反射层；其中，所述减反射层包括减反射功能层以及设置于所述减反射功能层与所述面板主体之间的雾度胶层，所述雾度胶层为掺杂有第一散射粒子的有机胶层，即，在常规的减反射功能层与面板主体之间增设一雾度胶层，且该雾度胶层通过在内部掺杂散射粒子实现所需的雾度值，使得该雾度胶层具有平整的表面，如此一来，设置于雾度胶层上的减反射功能层的形成工艺简单，且所形成的减反射功能层的膜厚均一性高以实现更好的减反射效果，通过所述雾度胶层与所述减反射功能层的搭配，可在保证一定雾度的情况下实现相对较低的反射率指标且同时保证较高的透过率。
图1是本发明实施例提供第一种显示面板的截面结构示意图；
图2是本发明实施例提供第二种显示面板的截面结构示意图；
图3是本发明实施例提供第三种显示面板的截面结构示意图；
图4是本发明实施例提供第四种显示面板的截面结构示意图；
图5是本发明实施例提供第五种显示面板的截面结构示意图；
图6是本发明实施例提供第六种显示面板的截面结构示意图；
图7是本发明实施例提供第七种显示面板的截面结构示意图。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本申请中，“示例性”一词用来表示“用作例子、例证或说明”。本申请中被描述为“示例性”的任何实施例不一定被解释为比其它实施例更优选或更具优势。为了使本领域任何技术人员能够实现和使用本发明，给出了以下描述。在以下描述中，为了解释的目的而列出了细节。应当明白的是，本领域普通技术人员可以认识到，在不使用这些特定细节的情况下也可以实现本发明。在其它实例中，不会对公知的结构和过程进行详细阐述，以避免不必要的细节使本发明的描述变得晦涩。因此，本发明并非旨在限于所示的实施例，而是与符合本申请所公开的原理和特征的最广范围相一致。
本发明实施例提供一种显示面板，以下结合图1示出的该显示面板的截面结构进行详细说明。
所述显示面板包括面板主体100与设置于所述面板主体100出光面的一侧的减反射层200，其中，所述减反射层200包括减反射功能层220以及设置于所述减反射功能层220与所述面板主体100之间的雾度胶层210，所述雾度胶层210为掺杂有第一散射粒子的有机胶层；
在常规的减反射功能层220与面板主体100之间增设一雾度胶层210，且该雾度胶层210通过在内部掺杂散射粒子实现所需的雾度值，即该雾度胶层210具有较高的内雾度，较低的外雾度，使得该雾度胶层210具有平整的表面，如此一来，设置于雾度胶层210上的减反射功能层220的形成工艺简单，且所形成的减反射功能层220的膜厚均一性高以实现更好的减反射效果，通过所述雾度胶层210与所述减反射功能层220的搭配，可在保证一定雾度的情况下实现相对较低的反射率指标且同时保证较高的透过率，具体地，通过验证，该减反射层200的雾度可达到30%以上，同时反射率降至1.5%左右。
其中，所述面板主体为实现显示的主体结构，所述面板主体的显示类型不限，可以为液晶显示型、有机发光型或微型发光二极光型等；
所述减反射功能层220为目前常规的实现降低反射率的膜层，可以为单层结构，即如图1所示，在一些情况下，为了进一步降低反射率并改善单层减反射功能层220带来的色偏问题，也可将所述减反射功能层220设置为双层膜层结构，根据菲涅尔原理，不同折射率层的搭配可以形成不同类型的反射峰，且各个折射率层的搭配反射波段不一样，相对单层膜层，合理的双层膜层搭配形成的反射峰对比单层膜层的来说覆盖的波段较广，自然降低反射率，改善色偏，请参阅图2，所述减反射功能层220包括依次设置于所述雾度胶层210上的第一减反射功能子层221与第二减反射功能子层222，此时第一减反射功能子层221的折射率大于第二减反射功能子层222；
具体地，当所述减反射功能层220为单层结构时，所述减反射功能层220通常为一低折射率膜层；
当所述减反射功能层220为双层结构时，所述第二减反射功能子层222通常为一低折射率膜层，所述第一减反射功能子层221可以为低折射率膜层或高折射率膜层；
进一步地，所述低折射率膜层的折射率通常为1.1-1.45，可使用湿法涂布工艺，将疏松多孔膜或含有粘结剂的介孔球（空心球）粒子的低折胶等涂布成膜，也可使用磁控溅射、蒸镀、化学气象沉积等方法成膜，其中，优选为介孔（空心）二氧化硅树脂球或溶胶凝胶法制作的疏松多孔的氧化硅树脂膜；其中，所述湿法成膜工艺包括微凹版涂布、狭缝涂布等精密表涂工艺；
所述高折射率膜层的折射率通常为1.5-1.7，为黏合剂树脂（树脂本体折射率范围：1.45-1.6）与高折射率粒子的混合体，所述高折粒子有氧化钛、氧化锆、氧化锡、锑酸锌、氧化锌、氧化铈、氧化铝、氧化钽、氧化钇等，其中优选氧化锆和/或氧化钛。
在一些实施例中，所述第一散射粒子为无机散射粒子、有机散射粒子或无机散射粒子与有机散射粒子的混合散射粒子，其中所述无机散射粒子选自氧化硅粒子、氧化钛粒子、氧化铝粒子、氧化锌粒子、氧化锡粒子、碳酸钙粒子、硫酸钡粒子、硫酸钙粒子以及硅粉等；所述有机散射粒子选自聚碳酸酯粒子、聚甲基丙烯酸甲酯粒子、聚苯乙烯粒子、聚乙烯粒子、聚酰胺粒子、聚酰亚胺粒子以及乙烯-四氟乙烯共聚物粒子等，示例性地，所述第一散射粒子为氧化硅粒子；
另，所述有机胶层的材料为压敏胶或紫外光固化胶或其他本领域常规的树脂胶材，本发明对此不作特殊限定。
在一些实施例中，所述第一散射粒子的粒径为500纳米-2微米，光线照射到散射粒子上会发生光散射，散射光的强度和角度与散射粒子的粒径有关，粒径大的散射光较强，但散射角度较窄，粒径小的散射光强度较弱，但角度较宽，根据光学测试，将所述第一散射粒子的粒径为500纳米-2微米，可使得所述雾度胶层210具有较高的雾度值与光线透过率。
在一些实施例中，在所述雾度胶层210中，所述第一散射粒子的含量为5-30wt%，所述雾度胶层210的厚度为3-10微米。
综上，通过对雾度胶层210的相关工艺参数进行设定，使得所述雾度胶层210满足所需的雾度需求，实现较高的内雾度与较低的外雾度，总雾度值达20%以上，同时保持较高的光线透过率。
在一些实施例中，为了进一步提升所述减反射功能层220所设置的表面的平整度，请参阅图3，可在所述雾度胶层210远离所述面板主体100的表面还设置有平坦化胶层230，所述平坦化胶层230的材料为压敏胶或紫外光固化胶，通常情况下所述平坦化胶层230与所述雾度胶层210中的有机胶层的材料相同，区别仅在于未掺杂散射粒子，从而给所述减反射功能层220提供更平整的下表面，进而可使得所述减反射功能层220的膜厚均一性进一步提升，有助于所述减反射功能层220实现更低的反射率。
进一步地，请参阅图4，所述平坦化胶层230中还掺杂有第二散射粒子，并将所述第二散射粒子的粒径设置为小于所述第一散射粒子的粒径，则掺杂有所述第二散射粒子的所述平坦化胶层230的上表面的平整度优于所述雾度胶层210的上表面的平整度，仍可一定程度地提升所述减反射功能层220所设置的表面的平整度，且所述平坦化胶层230中还掺杂有第二散射粒子，通过所述第二散射粒子与所述第一散射粒子的搭配，可进一步优化所述减反射层200的雾度与光线透过率，所述第二散射粒子的材料可与所述第一散射粒子相同或不相同。
在一些实施例中，请参阅图5，为了增加所述减反射功能层220与所述雾度胶层210之间的粘结力，还在所述减反射功能层220与所述雾度胶层210之间增设了一粘结胶层240，进一步地，通过对所述粘结胶层240材料的选择，使得所述粘结胶层240的折射率大于上层的所述减反射功能层220的折射率，即所述粘结胶层240在实现增粘功能的基础上，通过所述粘结胶层240与所述减反射功能层220的匹配，以进一步降低所述减反射层200的反射率；
具体地，当所述减反射功能层220为单层膜层时，所述粘结胶层240的折射率大于所述减反射功能层220的折射率；
当所述减反射功能层220为双层膜层时，结合图2，所述减反射功能层220包括第一减反射功能子层221与第二减反射功能子层222，此时，所述粘结胶层240的折射率大于所述第一减反射功能子层221的折射率。
在一些实施例中，请参阅图6，所述雾度胶层210靠近所述面板主体100的一侧还设置有衬底层250，所述衬底层为上层的所述雾度胶层210与所述减反射功能层220提供一定的支撑力，所述衬底层250的材料通常选择透明的树脂材料，例如可选自聚对苯二甲酸乙二醇酯、三醋酸纤维素、聚甲基丙烯酸甲酯、聚苯乙烯、聚乙烯、聚丙烯、聚氯乙烯、聚碳酸酯以及聚酰胺等。
进一步地，当所述衬底层250与上层的膜层的折射率匹配达不到所需的反射率时，请参阅图7，在所述衬底层250远离所述面板主体100的一侧还设有一折射率调节层260，通过对所述折射率调节层260折射率的设定，以调整所述减反射层200的反射率波形，以实现更低的反射率。
需要说明的是，上述显示面板实施例中仅描述了上述结构，可以理解的是，除了上述结构之外，本发明实施例显示面板中，还可以根据需要包括任何其他的必要结构，具体此处不作限定。
本发明另一实施例还提供了一种显示装置，所述显示装置包括上述实施例所提供的显示面板，所述显示装置包括但不限于手机、智能手表、平板电脑、笔记本电脑、电视机等。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见上文针对其他实施例的详细描述，此处不再赘述。
以上对本发明实施例所提供的一种显示面板与显示装置进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。
Claims (20)
- 一种显示面板，其中，所述显示面板包括：面板主体；减反射层，设置于所述面板主体出光面的一侧；其中，所述减反射层包括减反射功能层以及设置于所述减反射功能层与所述面板主体之间的雾度胶层，所述雾度胶层为掺杂有第一散射粒子的有机胶层。
- 根据权利要求1所述的显示面板，其中，所述第一散射粒子为无机散射粒子和/或有机散射粒子，所述无机散射粒子选自氧化硅粒子、氧化钛粒子、氧化铝粒子、氧化锌粒子、氧化锡粒子、碳酸钙粒子、硫酸钡粒子、硫酸钙粒子以及硅粉；所述有机散射粒子选自聚碳酸酯粒子、聚甲基丙烯酸甲酯粒子、聚苯乙烯粒子、聚乙烯粒子、聚酰胺粒子、聚酰亚胺粒子以及乙烯-四氟乙烯共聚物粒子，所述有机胶层的材料为压敏胶或紫外光固化胶。
- 根据权利要求1所述的显示面板，其中，所述第一散射粒子的粒径为500纳米-2微米。
- 根据权利要求1所述的显示面板，其中，在所述雾度胶层中，所述第一散射粒子的含量为5-30wt%。
- 根据权利要求1所述的显示面板，其中，所述雾度胶层的厚度为3-10微米。
- 根据权利要求1所述的显示面板，其中，所述雾度胶层远离所述面板主体的表面还设置有平坦化胶层。
- 根据权利要求6所述的显示面板，其中，所述平坦化胶层中还掺杂有第二散射粒子，所述第二散射粒子的粒径小于所述第一散射粒子的粒径。
- 根据权利要求1所述的显示面板，其中，所述减反射功能层与所述雾度胶层之间还设置有粘结胶层。
- 根据权利要求8所述的显示面板，其中，所述粘结胶层的折射率大于减反射功能层的折射率。
- 根据权利要求6所述的显示面板，其中，所述平坦化胶层的材料为压敏胶或紫外光固化胶。
- 根据权利要求1所述的显示面板，其中，所述雾度胶层靠近所述面板主体的一侧还设置有衬底层。
- 一种显示装置，其中，所述显示装置包括显示面板，所述显示面板包括：面板主体；减反射层，设置于所述面板主体出光面的一侧；其中，所述减反射层包括减反射功能层以及设置于所述减反射功能层与所述面板主体之间的雾度胶层，所述雾度胶层为掺杂有第一散射粒子的有机胶层。
- 根据权利要求12所述的显示装置，其中，所述第一散射粒子为无机散射粒子和/或有机散射粒子，所述无机散射粒子选自氧化硅粒子、氧化钛粒子、氧化铝粒子、氧化锌粒子、氧化锡粒子、碳酸钙粒子、硫酸钡粒子、硫酸钙粒子以及硅粉；所述有机散射粒子选自聚碳酸酯粒子、聚甲基丙烯酸甲酯粒子、聚苯乙烯粒子、聚乙烯粒子、聚酰胺粒子、聚酰亚胺粒子以及乙烯-四氟乙烯共聚物粒子，所述有机胶层的材料为压敏胶或紫外光固化胶。
- 根据权利要求12所述的显示装置，其中，所述第一散射粒子的粒径为500纳米-2微米。
- 根据权利要求12所述的显示装置，其中，在所述雾度胶层中，所述第一散射粒子的含量为5-30wt%。
- 根据权利要求12所述的显示装置，其中，所述雾度胶层的厚度为3-10微米。
- 根据权利要求12所述的显示装置，其中，所述雾度胶层远离所述面板主体的表面还设置有平坦化胶层。
- 根据权利要求17所述的显示装置，其中，所述平坦化胶层中还掺杂有第二散射粒子，所述第二散射粒子的粒径小于所述第一散射粒子的粒径。
- 根据权利要求12所述的显示装置，其中，所述减反射功能层与所述雾度胶层之间还设置有粘结胶层。
- 根据权利要求19所述的显示装置，其中，所述粘结胶层的折射率大于减反射功能层的折射率。
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| CN114815372B (zh) | 2023-10-31 |
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