CN114824131B - Display panel - Google Patents
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- CN114824131B CN114824131B CN202210405482.3A CN202210405482A CN114824131B CN 114824131 B CN114824131 B CN 114824131B CN 202210405482 A CN202210405482 A CN 202210405482A CN 114824131 B CN114824131 B CN 114824131B
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- adhesive layer
- transparent adhesive
- optically transparent
- display module
- display panel
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- 239000002245 particle Substances 0.000 claims abstract description 107
- 239000012790 adhesive layer Substances 0.000 claims abstract description 85
- 230000003287 optical effect Effects 0.000 claims abstract description 56
- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 238000002834 transmittance Methods 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 54
- 239000003292 glue Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- -1 calcium nitride Chemical class 0.000 claims description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000004005 microsphere Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 13
- 230000000737 periodic effect Effects 0.000 abstract description 7
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000004408 titanium dioxide Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 235000009537 plain noodles Nutrition 0.000 description 1
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- 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
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
- H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
-
- 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
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
- H10K50/865—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. light-blocking layers
-
- 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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention provides a display panel, which comprises a display module, an optical transparent adhesive layer positioned on the display module, and a protective cover plate positioned on the optical transparent adhesive layer; wherein scattering particles are arranged in the optical transparent adhesive layer, the light transmittance of the optical transparent adhesive layer is greater than or equal to 90%, and the haze of the optical transparent adhesive layer is greater than or equal to 15%. When external light is refracted from the protective cover plate into the optical transparent adhesive, the light contacts with the surfaces of different scattering particles and is reflected back at different angles, the light reflected at different angles does not form periodic arrangement on a space structure, the phenomenon of color separation is avoided, and meanwhile, due to shielding of the scattering particles, part of light incident into the display module is reduced, so that the normal display effect of the display panel is ensured.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel.
Background
OLED display panels have become important points for research and application in the field of organic photoelectric display because of the characteristics of good luminous brightness, high luminous efficiency, wide viewing angle range, self-luminescence and the like.
In order to block the reflection of the ambient light of a screen, a layer of circular Polarizer (POL) is arranged on one light-emitting side of the panel, the principle of polarized light is adopted, the reflected light of the external ambient light on the screen is effectively reduced, but the circular polarizer is used, the transmittance is reduced, the brightness loss is 50%, the external light can generate reflected light among all film layers after passing through a protective cover plate, the polarizer, an optical transparent adhesive layer and a display module, the reflected external ambient light is emitted from the light-emitting surface of the display panel, and the phenomenon of color separation easily occurs in space periodic arrangement, so that the display effect of the display panel is affected. In order to achieve higher light-emitting brightness, more power consumption is required and the polarizer is expensive. Based on the above, panel factories in the display industry all adopt color resistance layers to replace the polarizing technology, so that the power consumption is reduced, the inhibition and reflection of the polaroid are avoided, the phenomenon of color separation of the OLED display screen can be more serious when external environment light is irradiated, and the display quality is more influenced.
In summary, a new display panel is required to be provided to solve the problem that the display panel does not use a circular polarizer, external ambient light is incident into the display panel, reflection occurs in the display panel (the light emitting device layer and the driving back plate), the reflected external ambient light exits from the light emitting surface of the display panel, and color separation is easy to occur due to periodic arrangement in space, so that the display effect of the display panel is affected.
Disclosure of Invention
According to the prior art, the utility model provides a display panel, OLED display panel among the prior art does not use circular polaroid, and outside ambient light is incident to inside the display panel, takes place the reflection at inside (light emitting device layer and the drive backplate) of display panel, and the outside ambient light after the reflection is from display panel's play plain noodles emergence, and the phenomenon of colour separation appears easily in the periodic arrangement in space to influence display panel's display effect.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the embodiment of the invention provides a display panel, which comprises a display module, an optical transparent adhesive layer positioned on the display module, and a protective cover plate positioned on the optical transparent adhesive layer; wherein scattering particles are arranged in the optically transparent adhesive layer, the light transmittance of the optically transparent adhesive layer is greater than or equal to 90%, and the haze of the optically transparent adhesive layer is greater than or equal to 15%.
According to a preferred embodiment of the present invention, the scattering particles are micro-spheres with a particle size of 20nm to 300nm, and the material of the scattering particles is one or more of monomeric silicon, zirconium dioxide, titanium dioxide and calcium nitride.
According to a preferred embodiment of the invention, the refractive index of the scattering particles is greater than the refractive index of the optically transparent glue layer.
According to a preferred embodiment of the present invention, reflective particles are further disposed between the optically transparent adhesive layer and the display module, wherein the reflective particles are hemispherical particles; the reflective particles face the display module to form a plane, and face the protective cover plate to form a smooth cambered surface.
According to a preferred embodiment of the present invention, the optically transparent adhesive layer includes a first optically transparent adhesive layer and a second optically transparent layer, the scattering particles include first scattering particles and second scattering particles, the first scattering particles are disposed in the first optically transparent adhesive layer, and the second scattering particles are disposed in the second optically transparent adhesive layer.
According to a preferred embodiment of the present invention, a color filter layer is disposed between the first optical transparent adhesive layer and the second optical transparent layer, first reflective particles are disposed between the first optical transparent adhesive layer and the display module, and second reflective particles are further disposed between the second optical transparent adhesive layer and the color filter layer, wherein the first reflective particles and the second reflective particles are hemispherical particles; the hemispherical particles face the display module to form a plane, and face the protective cover plate to form a smooth cambered surface.
According to a preferred embodiment of the present invention, in a light emitting direction of the display module, the first scattering particles and the second scattering particles are arranged in a staggered manner.
According to a preferred embodiment of the present invention, the materials of the first reflective particles and the second reflective particles are transparent polyimide or polystyrene.
According to a preferred embodiment of the present invention, the color filter layer includes a red filter layer, a green filter layer, and a blue filter layer, and a black matrix is further disposed between every two filter layers of the red filter layer, the green filter layer, and the blue filter layer.
According to a preferred embodiment of the present invention, the display module is one of an OLED display module, a Mini-LED display module, and a Micro-LED display module.
The invention has the beneficial effects that: the embodiment of the invention provides a display panel, which comprises a display module, an optical transparent adhesive layer positioned on the display module, and a protective cover plate positioned on the optical transparent adhesive layer; wherein scattering particles are arranged in the optical transparent adhesive layer, the light transmittance of the optical transparent adhesive layer is greater than or equal to 90%, and the haze of the optical transparent adhesive layer is greater than or equal to 15%. When external light is refracted from the protective cover plate into the optical transparent adhesive, the light contacts with the surfaces of different scattering particles and is reflected back at different angles, the light reflected at different angles does not form periodic arrangement on a space structure, the phenomenon of color separation is avoided, and meanwhile, due to shielding of the scattering particles, part of light incident into the display module is reduced, so that the normal display effect of the display panel is ensured.
Drawings
In order to more clearly illustrate the embodiments or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 and 2 are schematic structural views of a display panel in the prior art.
Fig. 3 is a schematic diagram of a film structure of a display panel according to an embodiment of the invention.
Fig. 4 is a schematic diagram of another film structure of a display panel according to an embodiment of the invention.
Fig. 5 is a schematic diagram of a film structure of a display panel according to an embodiment of the invention.
Fig. 6 to 10 are schematic diagrams illustrating color separation of a display panel according to an embodiment of the invention.
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], etc., are only referring to the directions of the attached drawings. Accordingly, directional terminology is used to describe and understand the invention and is not limiting of the invention. In the drawings, like elements are denoted by the same reference numerals, and broken lines in the drawings indicate that they are not present in the structure, and only the shape and position of the structure are described.
As shown in fig. 1, a conventional OLED display panel in the prior art includes a display module 11, a first optical adhesive layer 12 disposed over the display module 11, a polarizer 13 disposed over the first optical adhesive layer 12, a second optical adhesive layer 14 disposed over the polarizer 13, and a protective cover plate 15 disposed over the second optical adhesive layer 14. After the ambient light S11 is incident on the surface of the protective cover 15, a reflected light S12 is generated, and then a part of the light S13 is refracted to the surface of the second optical adhesive layer 14, so as to generate a reflected light S14; a part of light S15 is refracted to the surface of the polarizer 13 to generate a reflected light S16, the other part of light S17 is further refracted to the surface of the first optical adhesive layer 12 to generate a reflected light S18, the other part of light S19 is refracted to the surface of the display module 11 to further generate a reflected light S20, the other part of light S21 is refracted to the display module 11 to generate a reflected light S22, and the reflected light S12, the reflected light S14, the reflected light S16, the reflected light S18, the reflected light S20 and the reflected light S22 are emitted from the light-emitting surface of the display panel.
As shown in fig. 2, another conventional OLED display panel in the prior art includes a display module 21, a third optical adhesive layer 22 disposed on the display module 21, and a protective cover plate 23 disposed on the third optical adhesive layer 22, wherein after the external ambient light S23 is incident on the surface of the protective cover plate 23, a reflected light S24 is generated, then a part of the light S25 is refracted to the surface of the third optical adhesive layer 22 to generate a reflected light S26, then a part of the light S27 is refracted to the surface of the display module 21 to generate a reflected light S28, then a part of the light S29 is refracted to the inside of the display module 21 to generate a reflected light S30, and the reflected light S24, the reflected light S26, the reflected light S28 and the reflected light S30 exit from the light emitting surface of the display panel, and the reflected light S24 is also periodically arranged in space, so that color separation phenomenon is easy to occur, thereby affecting the display effect of the display panel.
One of the two conventional OLED display panels comprises a polaroid, and the other one adopts a color resistance layer to replace a polarizing technology, so that the power consumption is reduced, but the phenomenon exists; external ambient light is incident to the inside of the display panel, reflection occurs in the inside of the display panel (the light-emitting device layer and the driving backboard), the reflected external ambient light exits from the light-emitting surface of the display panel, and the phenomenon of color separation easily occurs in space periodic arrangement, so that the display effect of the display panel is affected.
The embodiment of the invention provides a display panel, which comprises a display module, an optical transparent adhesive layer positioned on the display module, and a protective cover plate positioned on the optical transparent adhesive layer; wherein scattering particles are arranged in the optically transparent adhesive layer, the light transmittance of the optically transparent adhesive is greater than or equal to 90%, and the haze of the optically transparent adhesive is greater than or equal to 15%. When external light is refracted from the protective cover plate into the optical transparent adhesive, the light contacts with the surfaces of different scattering particles and is reflected back at different angles, the light reflected at different angles does not form periodic arrangement on a space structure, the phenomenon of color separation is avoided, and meanwhile, due to shielding of the scattering particles, part of light incident into the display module is reduced, so that the normal display effect of the display panel is ensured.
Specifically, as shown in fig. 3, an embodiment of the present invention provides a schematic film structure of a display panel. The display panel 100 comprises a display module 101, an optical transparent adhesive layer 102 positioned on the display module 101, and a protective cover plate 103 positioned on the optical transparent adhesive layer 102; wherein, scattering particles, such as scattering particles 1021, 1022 and 1023, are disposed in the optically transparent adhesive layer 102, the light transmittance of the optically transparent adhesive layer is greater than or equal to 90%, and the haze of the optically transparent adhesive layer is greater than or equal to 15%. The display module 101 in this embodiment is one of an OLED display module, a Mini-LED display module, and a Micro-LED display module; the OLED display panel does not use a circular polarizer, and the common optical transparent adhesive layer is replaced by the optical transparent adhesive layer doped with scattering particles. On the one hand, the external ambient light incident to the display module 101 can be reduced; on the other hand, after the external environment light rays entering the optical transparent adhesive layer are reflected, the scattered light of the reflected external environment light rays is increased, the phenomenon that the emergent light rays from the emergent surface of the display panel are periodically distributed in space is reduced, the color separation phenomenon of the display panel is further improved, and the display effect of the display panel is improved. The scattering particles are preferably micro-spheres with the particle size of 20-300 nm, and the material of the scattering particles is preferably one or more than one of monomer silicon, zirconium dioxide, titanium dioxide and calcium nitride; the refractive index of the scattering particles is larger than that of the optical transparent adhesive layer, so that the light emitting efficiency of the display module 101 can be improved.
After the ambient light S31 is incident on the surface of the protective cover 103, a reflected light S32 is generated, and then a part of the light S33 is refracted to the surface of the optical transparent adhesive layer 102, so as to generate a reflected light S34; a part of light is refracted into the optically transparent adhesive layer 102, the refracted light S35 encounters the scattering particles 1021, the reflected light S36 is generated on the surface of the scattering particles 1021, the refracted light S37 encounters the scattering particles 10222, the reflected light S38 is generated on the surface of the scattering particles 1022, the refracted light S39 is refracted onto the surface of the display module 101, the reflected light S41 is generated, a part of the refracted light S42 generates the reflected light S43 in the display module 101, the reflected light S43 encounters the scattering particles 1023, and the scattered refracted light S44, the refracted light S45 and the refracted light S46 are formed on the scattering particles 1023, so that the phenomenon that the reflected light is not periodically distributed in space can be clearly obtained from fig. 3, the color separation phenomenon of the display panel is improved, and the display effect of the display panel is improved.
In order to further improve the color separation phenomenon of the display panel, as shown in fig. 4, reflective particles 104 are further disposed between the optical transparent adhesive layer 102 and the display module 101 in the embodiment, wherein the reflective particles 104 are hemispherical particles; the reflective particles 104 are planar towards the display module 101 and have a smooth arc surface towards the protective cover 103, and the smooth arc surface has at least one pattern of a circle, an ellipse, a wave or a zigzag. When external light is emitted to the display module 101 from the optical transparent adhesive layer 102, the external light is prevented from being further incident into the display module when being reflected back by the smooth cambered surface, the reflected external ambient light is prevented from being emitted from the light emitting surface of the display panel, and the reflected external ambient light is mixed with the three-color light emitted from the display panel, so that the phenomenon of color separation occurs, and the display effect of the display panel is provided.
As shown in fig. 5, an embodiment of the present invention provides a schematic diagram of a film structure of a display panel. The display panel 200 comprises a display module 201, an optical transparent adhesive layer positioned on the display module 201, and a protective cover plate 207 positioned on the optical transparent adhesive layer; wherein scattering particles are arranged in the optical transparent adhesive layer, the light transmittance of the optical transparent adhesive layer is more than or equal to 90%, and the haze of the optical transparent adhesive layer is more than or equal to 15%; the scattering particles are micro-nano small spheres, preferably micro-small spheres with the particle size of 20nm to 300um, and the material of the scattering particles is one or more of zirconium dioxide, titanium dioxide and calcium nitride. The refractive index of the scattering particles is greater than the refractive index of the optically transparent glue layer.
The optically transparent adhesive layer of the present embodiment includes a first optically transparent adhesive layer 202 and a second optically transparent adhesive layer 204, the scattering particles include first scattering particles and second scattering particles, the first scattering particles such as first scattering particles 2021, first scattering particles 2022 and first scattering particles 2023 are disposed in the first optically transparent adhesive layer 202, and the second scattering particles such as second scattering particles 2041, second scattering particles 2042 and second scattering particles 2043 are disposed in the second optically transparent adhesive layer 204. A color filter layer 203 is arranged between the first optical transparent glue layer 202 and the second optical transparent glue layer 204, first reflecting particles 205 are arranged between the first optical transparent glue layer 202 and the display module 201, and second reflecting particles 206 are also arranged between the second optical transparent glue layer 204 and the color filter layer 203, wherein the first reflecting particles 205 and the second reflecting particles 206 are hemispherical particles; the hemispherical particles are plane towards the display module, smooth cambered surface towards the protective cover plate, and the cambered surface is at least one pattern of a circle, an ellipse, a wave or a zigzag.
In the light emitting direction of the display module 201, the first scattering particles and the second scattering particles are preferably arranged in a staggered manner. The materials of the first and second reflective particles 205 and 206 are transparent polyimide or polystyrene. The color filter layer 203 in this embodiment includes a red filter layer, a green filter layer, and a blue filter layer, and a black matrix is further disposed between every two filter layers of the red filter layer, the green filter layer, and the blue filter layer. The red filter layer, the green filter layer and the blue filter layer are respectively made of R/G/B color resistors of an SPR220-4.5 system, and the R/G/B color resistors of the SPR220-4.5 system are also doped with ultraviolet curing organic materials of dyeing particles.
The inventors have also found that the light transmittance and haze of the optically transparent adhesive layer affect the degree of color separation of the display panel. The scattering particle distribution was the same in runs two through five. In the first test, no scattering particles were disposed on the optically transparent adhesive layer, the transmittance of the optically transparent adhesive layer was greater than or equal to 90%, and the haze of the optically transparent adhesive layer was less than 1%, resulting in the color separation display condition in fig. 6, and the color separation effect was relatively strong and relatively obvious. In the second test, the scattering particles were disposed on the optically transparent adhesive layer, the transmittance of the optically transparent adhesive layer was 90% or more, and the haze of the optically transparent adhesive layer was 15%, so as to obtain the color separation display in fig. 7, which is improved compared with the color separation display in fig. 6. In the third test, the scattering particles were disposed on the optically transparent adhesive layer, the transmittance of the optically transparent adhesive layer was greater than or equal to 90%, and the haze of the optically transparent adhesive layer was set to 34%, so as to obtain the color separation display condition in fig. 8, which is further improved than that in fig. 7. In the fourth test, the scattering particles were disposed on the optically transparent adhesive layer, the transmittance of the optically transparent adhesive layer was 90% or more, and the haze of the optically transparent adhesive layer was 60%, so as to obtain the color separation display in fig. 9, which is a further improvement over the color separation phenomenon in fig. 8. In test five, the scattering particles were disposed on the optically transparent adhesive layer, the transmittance of the optically transparent adhesive layer was greater than or equal to 90%, and the haze of the optically transparent adhesive layer was 75%, resulting in the color separation display in fig. 10, which was further improved compared to the color separation phenomenon in fig. 9. In summary, as the haze of the particle-doped optically clear adhesive layer increases, the color separation phenomenon is reduced.
The embodiment of the invention provides a display panel, which comprises a display module, an optical transparent adhesive tape positioned on the display module and a protective cover plate positioned on the optical transparent adhesive tape; wherein, reflective particles are uniformly arranged in the optical transparent adhesive tape. When external light is incident to the surface of the optical transparent adhesive tape from the protective cover plate, part of the light is refracted to the inside of the optical transparent adhesive tape, the light contacts the surface of the reflective particles and is reflected back again and exits at different reflection angles, so that the external light is prevented from being further incident into the display module, the reflected external ambient light is prevented from exiting from the light-emitting surface of the display panel, and the reflected external ambient light is mixed with the three-color light exiting from the display panel, so that the phenomenon of color separation occurs, and the display effect of the display panel is provided.
In summary, although the present invention has been described in terms of the preferred embodiments, the above-mentioned embodiments are not intended to limit the invention, and those skilled in the art can make various modifications and alterations without departing from the spirit and scope of the invention, so that the scope of the invention is defined by the appended claims.
Claims (9)
1. The display panel is characterized by comprising a display module, an optical transparent adhesive layer positioned on the display module, and a protective cover plate positioned on the optical transparent adhesive layer; wherein scattering particles are arranged in the optically transparent adhesive layer, the light transmittance of the optically transparent adhesive layer is greater than or equal to 90%, and the haze of the optically transparent adhesive layer is greater than or equal to 15%;
the scattering particles are micro-spheres with the particle size of 20-300 nm, and the material of the scattering particles is at least one of monomer silicon, zirconium dioxide and calcium nitride.
2. The display panel of claim 1, wherein the scattering particles have a refractive index that is greater than a refractive index of the optically transparent glue layer.
3. The display panel according to claim 1, wherein reflective particles are further disposed between the optically transparent adhesive layer and the display module, and wherein the reflective particles are hemispherical particles; the reflective particles face the display module to form a plane, and face the protective cover plate to form a smooth cambered surface.
4. A display panel according to claim 3, wherein the optically transparent glue layer comprises a first optically transparent glue layer and a second optically transparent layer, the scattering particles comprise first scattering particles and second scattering particles, the first scattering particles are arranged in the first optically transparent glue layer, and the second scattering particles are arranged in the second optically transparent glue layer.
5. The display panel of claim 4, wherein a color filter layer is disposed between the first optically transparent adhesive layer and the second optically transparent layer, first reflective particles are disposed between the first optically transparent adhesive layer and the display module, and second reflective particles are further disposed between the second optically transparent adhesive layer and the color filter layer, wherein the first reflective particles and the second reflective particles are hemispherical particles; the hemispherical particles face the display module to form a plane, and face the protective cover plate to form a smooth cambered surface.
6. The display panel of claim 4, wherein the first and second scattering particles are disposed offset in a light-emitting direction of the display module.
7. The display panel according to claim 4, wherein the material of the first reflective particles and the second reflective particles is transparent polyimide or polystyrene.
8. The display panel of claim 5, wherein the color filter layer comprises a red filter layer, a green filter layer, and a blue filter layer, and a black matrix is further disposed between two of the red filter layer, the green filter layer, and the blue filter layer.
9. The display panel of claim 1, wherein the display module is one of an OLED display module, a Mini-LED display module, and a Micro-LED display module.
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| CN202210405482.3A CN114824131B (en) | 2022-04-18 | 2022-04-18 | Display panel |
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| CN202210405482.3A CN114824131B (en) | 2022-04-18 | 2022-04-18 | Display panel |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218847Y (en) * | 2008-07-14 | 2009-04-08 | 宁波高新区激智科技有限公司 | Optical diffusion film and LCD device using the same |
| CN210573819U (en) * | 2019-03-11 | 2020-05-19 | 深圳阜时科技有限公司 | Backlight module, liquid crystal display device and electronic equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206818900U (en) * | 2017-04-24 | 2017-12-29 | 宁波东旭成新材料科技有限公司 | A kind of high transmittance haze optical diffusion |
| CN109031487A (en) * | 2018-09-28 | 2018-12-18 | 武汉华星光电技术有限公司 | Diffusion barrier and preparation method thereof |
| EP4024125A4 (en) * | 2019-08-29 | 2022-08-24 | BOE Technology Group Co., Ltd. | Liquid crystal display panel and display device |
| CN112285971A (en) * | 2020-10-23 | 2021-01-29 | 惠州市华星光电技术有限公司 | Polarizing structure and liquid crystal display device |
| CN213184349U (en) * | 2020-11-26 | 2021-05-11 | 京东方科技集团股份有限公司 | OLED display panel and display device |
| CN113991036A (en) * | 2021-10-12 | 2022-01-28 | 武汉华星光电半导体显示技术有限公司 | OLED display panel |
-
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218847Y (en) * | 2008-07-14 | 2009-04-08 | 宁波高新区激智科技有限公司 | Optical diffusion film and LCD device using the same |
| CN210573819U (en) * | 2019-03-11 | 2020-05-19 | 深圳阜时科技有限公司 | Backlight module, liquid crystal display device and electronic equipment |
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| CN114824131A (en) | 2022-07-29 |
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