CN215494448U - Display module and display device - Google Patents
Display module and display device Download PDFInfo
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- CN215494448U CN215494448U CN202120547691.2U CN202120547691U CN215494448U CN 215494448 U CN215494448 U CN 215494448U CN 202120547691 U CN202120547691 U CN 202120547691U CN 215494448 U CN215494448 U CN 215494448U
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Abstract
The utility model relates to a display module which comprises a first liquid crystal display panel and a second liquid crystal display panel which are overlapped, wherein the second liquid crystal display panel is arranged on the light emergent side of the first liquid crystal display panel, the display module further comprises at least one optical film layer, the optical film layer is used for changing the light emergent direction to eliminate Moire patterns, the optical film layer is arranged on one side of the first liquid crystal display panel far away from the second liquid crystal display panel, and/or the optical film layer is arranged between the first liquid crystal display panel and the second liquid crystal display panel. The utility model also relates to a display device.
Description
Technical Field
The utility model relates to the technical field of liquid crystal product manufacturing, in particular to a display module and a display device.
Background
The Dual Cell (double-layer liquid crystal display) can greatly improve the contrast, is used for 3D display, and becomes a new trend of TV products. However, when two layers of liquid crystal panels are directly overlapped together, because the pixel design is similar, the moire fringes can be generated, in order to solve the moire fringes, generally, masks (Mask plates) are newly opened, so that metal routing wires of an upper screen and a lower screen are inconsistent, the moire fringes are avoided, but the newly opened masks lead to cost increase, particularly, 10.5 generation lines, the time needed is long, the product types are not fast increased, and when the resolution of two layers of cells is greatly different, the TFT switch area in the pixel design is large, the area of the Main Cell can be obviously occupied, and the defects of black spots or broken lines can be generated.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a display module and a display device, which solve the problem of moire fringes of a double-layer display screen.
In order to achieve the purpose, the embodiment of the utility model adopts the technical scheme that: the utility model provides a display module assembly, includes first liquid crystal display panel and the second liquid crystal display panel of looks superpose, the second liquid crystal display panel set up in the light-emitting side of first liquid crystal display panel, display module assembly still include at least one deck optics rete, optics rete is used for changing the light-emitting direction in order to eliminate mole line, optics rete set up in the second liquid crystal display panel is kept away from one side of first liquid crystal display panel, and/or, optics rete set up in first liquid crystal display panel with between the second liquid crystal display panel.
Optionally, the optical film layer is a single layer, and the fogging degree of the optical film layer is greater than 50%.
Optionally, the number of the optical film layers is at least 2, and the atomization degree of the optical film layers is 10% -15%.
Optionally, the optical film layer includes a substrate having a first refractive index, and particles having a second refractive index are uniformly distributed in the substrate, and the first refractive index is different from the second refractive index.
Optionally, the first liquid crystal display panel includes a first substrate and a second substrate that are arranged oppositely, and a liquid crystal layer that is arranged between the first substrate and the second substrate, the second substrate is arranged close to the second liquid crystal display panel, a first polarizer is arranged on one side of the first substrate close to the second substrate, and a second polarizer is arranged on one side of the second substrate away from the first substrate;
the second liquid crystal display panel comprises a third substrate and a fourth substrate which are oppositely arranged, and a liquid crystal layer arranged between the third substrate and the fourth substrate, the fourth substrate is arranged far away from the first liquid crystal display panel, a third polaroid is arranged on one side of the third substrate far away from the fourth substrate, and a fourth polaroid is arranged on one side of the fourth substrate far away from the third substrate;
the optical film layer is arranged between the second substrate and the first polarizer;
and/or the optical film layer is arranged between the fourth substrate and the second polarizer.
Optionally, the first liquid crystal display panel includes a first substrate and a second substrate that are arranged oppositely, and a liquid crystal layer that is arranged between the first substrate and the second substrate, the second substrate is arranged close to the second liquid crystal display panel, a first polarizer is arranged on one side of the first substrate close to the second substrate, and a second polarizer is arranged on one side of the second substrate away from the first substrate;
the second liquid crystal display panel comprises a third substrate and a fourth substrate which are oppositely arranged, and a liquid crystal layer arranged between the third substrate and the fourth substrate, the fourth substrate is arranged far away from the first liquid crystal display panel, a third polaroid is arranged on one side of the third substrate far away from the fourth substrate, and a fourth polaroid is arranged on one side of the fourth substrate far away from the third substrate;
the optical film layer is integrated in at least one of the second polarizer, the third polarizer and the fourth polarizer.
Optionally, at least one of the second polarizer, the third polarizer and the fourth polarizer includes a polarizing layer, a release film and a protective film, the release film and the protective film are located on two opposite sides of the polarizing layer, the optical film is located between the polarizing layer and the protective film, and/or the optical film is located between the polarizing layer and the release film.
Optionally, at least one of the second polarizer, the third polarizer and the fourth polarizer includes a polarizing layer and a release film and a protection film located on opposite sides of the polarizing layer, and along a direction away from the protection film, the polarizing layer sequentially includes a first TAC layer, a PVA layer, a second TAC layer and a PSA layer, in at least one of the first TAC layer, the PVA layer, the second TAC layer and the PSA layer, particles are uniformly distributed so as to be multiplexed as the optical film, wherein a refractive index of the particles uniformly distributed in at least one of the first TAC layer, the PVA layer, the second TAC layer and the PSA layer is different from a refractive index of the corresponding film.
Optionally, the second polarizer is multiplexed into the third polarizer.
The embodiment of the utility model also provides a display device which comprises the display module.
The utility model has the beneficial effects that: through the setting of optics rete, needn't newly open the mask plate, through changing the light-emitting direction, with the mode that light was broken up for the mole line can not be discerned by people's eye, and reduce cost solves "black spot" problem.
Drawings
FIG. 1 is a schematic diagram of a display module according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second exemplary display module according to the present invention;
FIG. 3 is a schematic diagram of a display module according to an embodiment of the utility model;
FIG. 4 is a schematic diagram illustrating a fourth exemplary embodiment of a display module according to the present invention;
FIG. 5 is a diagram illustrating a first polarizer structure according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a polarizer structure according to an embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-4, the present embodiment provides a display module, which includes a first liquid crystal display panel and a second liquid crystal display panel that are stacked, wherein the second liquid crystal display panel 2 is disposed on a light emitting side of the first liquid crystal display panel 1, the display module further includes at least one optical film layer 3, the optical film layer 3 is used for changing a light emitting direction to eliminate moire fringes, the optical film layer 3 is disposed on a side of the second liquid crystal display panel 2 away from the first liquid crystal display panel 1, and/or the optical film layer is disposed between the first liquid crystal display panel 1 and the second liquid crystal display panel 2.
in this embodiment, the optical film layer 3 is a single layer, and the fogging degree of the optical film layer 3 is greater than 50%.
For effectual improvement mole line phenomenon, the unilateral sets up optics rete 3 need have higher atomizing degree, but higher atomizing degree can make the product become fragile, and volume production nature worsens, and influences CR (luminousness), to this problem, in the embodiment of this embodiment, optics rete 3 is 2 at least, the atomizing degree of optics rete 3 is 10% -15%, adopts the lower optics rete 3 of multilayer atomizing degree to replace the higher setting of the optics rete 3 of individual layer atomizing degree promptly, like this, both can improve mole line phenomenon, and can overcome the fragile problem of product, can not influence CR yet.
In this embodiment, the optical film 3 includes a substrate having a first refractive index, and particles having a second refractive index are uniformly distributed in the substrate, and the first refractive index is different from the second refractive index.
The refractive index of the base material is different from that of the fine particles, and the light diffusion performance of the optical film layer 3 can be improved.
It should be noted that the higher the fogging degree of the optical film 3, the higher the light diffusion performance, and the better the improvement effect on moire, and the factors affecting the fogging degree of the optical film 3 include: the thickness of the optical film layer 3, the density of the particles and the particle size of the particles can be adjusted to obtain different degrees of fogging.
The optical film 3 can be disposed at various positions, and several disposing manners of the optical film 3 in this embodiment are described in detail below.
In this embodiment, the first liquid crystal display panel 1 includes a first substrate 11 and a second substrate 12 that are disposed opposite to each other, and a liquid crystal layer disposed between the first substrate 11 and the second substrate 12, the second substrate 12 is disposed close to the second liquid crystal display panel 2, a first polarizer 13 is disposed on one side of the first substrate 11 close to the second substrate 12, and a second polarizer 14 is disposed on one side of the second substrate 12 away from the first substrate 11;
the second liquid crystal display panel 2 comprises a third substrate 21 and a fourth substrate 22 which are oppositely arranged, and a liquid crystal layer arranged between the third substrate 21 and the fourth substrate 22, the fourth substrate 22 is arranged far away from the first liquid crystal display panel 1, a third polarizer 23 is arranged on one side of the third substrate 21 far away from the fourth substrate 22, and a fourth polarizer 24 is arranged on one side of the fourth substrate 22 far away from the third substrate 21;
the optical film layer 3 is arranged between the second substrate 12 and the first polarizer 13;
and/or the optical film layer 3 is disposed between the fourth substrate 22 and the second polarizer 14.
The first liquid crystal display panel 1 is a normal display panel, the first substrate 11 is an array substrate, the second substrate 12 is a color film substrate, and the second liquid crystal display panel 2 is compared with the first liquid crystal display panel 1, an RGB color resistance layer is removed to serve as a grating panel, Moire patterns can be generated when the first liquid crystal display panel 1 and the second liquid crystal display panel 2 are overlapped, through the arrangement of the optical film layer 3, the propagation direction of light is dispersed and changed, and the Moire pattern image edge is light, so that human eyes cannot recognize the Moire patterns.
The optical film layer 3 may be independently disposed, and attached to the fourth substrate 22 or the second substrate 12 through an optical adhesive, or integrated in a polarizer, in this embodiment, for example, the first liquid crystal display panel 1 includes a first substrate 11 and a second substrate 12 that are disposed opposite to each other, and a liquid crystal layer disposed between the first substrate 11 and the second substrate 12, the second substrate 12 is disposed close to the second liquid crystal display panel 2, a first polarizer 13 is disposed on one side of the first substrate 11 close to the second substrate 12, and a second polarizer 14 is disposed on one side of the second substrate 12 away from the first substrate 11;
the second liquid crystal display panel 2 comprises a third substrate 21 and a fourth substrate 22 which are oppositely arranged, and a liquid crystal layer arranged between the third substrate 21 and the fourth substrate 22, the fourth substrate 22 is arranged far away from the first liquid crystal display panel 1, a third polarizer 23 is arranged on one side of the third substrate 21 far away from the fourth substrate 22, and a fourth polarizer 24 is arranged on one side of the fourth substrate 22 far away from the third substrate 21;
the optical film layer 3 is integrated in at least one of the second polarizer 14, the third polarizer 23, and the fourth polarizer 24.
As shown in fig. 5, in this embodiment, at least one polarizer of the second polarizer 14, the third polarizer 23, and the fourth polarizer 24 includes a polarizing body 100, and a release film 10 and a protective film 60 located at two opposite sides of the polarizing body 100, and the optical film layer 3 is located between the polarizing body 100 and the protective film 60, and/or the optical film layer 3 is located between the polarizing body 100 and the release film 10.
As shown in fig. 6, in the present embodiment, at least one of the second polarizer 14, the third polarizer 23, and the fourth polarizer 24 includes a polarizing body 100, and a release film 10 and a protective film 60 on opposite sides of the polarizing body 100, along a direction away from the protective film 60, the polarizing body 100 includes a first TAC (triacetylcellulose) layer 30, a PVA (polyvinyl alcohol) layer 40, a second TAC layer 50, and a PSA (pressure sensitive adhesive) layer 20 in this order, particles are uniformly distributed in at least one of the first TAC layer 30, the PVA layer 40, the second TAC layer 50 and the PSA layer 20 to be reused as the optical film layer 3, wherein the refractive index of the uniformly distributed particles in at least one of the first TAC layer 30, the PVA layer 40, the second TAC layer 50 and the PSA layer 20 is different from the refractive index of the corresponding film layer.
It should be noted that, in fig. 6, all the film layers in the polarizing main body 100 are doped with particles to be reused as the optical film layer 3, but not limited thereto, and the original film layer structure of the polarizing main body 100 is advantageous to be thinner than the method of adding the optical film layer.
In this embodiment, the second polarizer 14 is exemplarily reused as the third polarizer 23, referring to fig. 1 and 2.
The utility model also provides a display device comprising the display module.
The display device may be: the display device comprises any product or component with a display function, such as a liquid crystal television, a liquid crystal display, a digital photo frame, a mobile phone, a tablet personal computer and the like, wherein the display device further comprises a flexible circuit board, a printed circuit board and a back plate.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a display module assembly, includes first liquid crystal display panel and the second liquid crystal display panel of looks superpose, the second liquid crystal display panel set up in the light-emitting side of first liquid crystal display panel, its characterized in that, display module assembly still include at least one deck optics rete, optics rete is used for changing the light-emitting direction in order to eliminate mole line, optics rete set up in the second liquid crystal display panel is kept away from one side of first liquid crystal display panel, and/or, optics rete set up in first liquid crystal display panel with between the second liquid crystal display panel.
2. The display module of claim 1, wherein the optical film layer is a single layer and the haze of the optical film layer is greater than 50%.
3. The display module according to claim 1, wherein the optical film layer comprises at least 2 layers, and the haze of the optical film layer is 10% -15%.
4. The display module of claim 1, wherein the optical film comprises a substrate having a first refractive index, and particles having a second refractive index are uniformly distributed in the substrate, and the first refractive index is different from the second refractive index.
5. The display module according to claim 4, wherein the first liquid crystal display panel comprises a first substrate and a second substrate which are oppositely arranged, and a liquid crystal layer arranged between the first substrate and the second substrate, the second substrate is arranged close to the second liquid crystal display panel, a first polarizer is arranged on one side of the first substrate close to the second substrate, and a second polarizer is arranged on one side of the second substrate away from the first substrate;
the second liquid crystal display panel comprises a third substrate and a fourth substrate which are oppositely arranged, and a liquid crystal layer arranged between the third substrate and the fourth substrate, the fourth substrate is arranged far away from the first liquid crystal display panel, a third polaroid is arranged on one side of the third substrate far away from the fourth substrate, and a fourth polaroid is arranged on one side of the fourth substrate far away from the third substrate;
the optical film layer is arranged between the second substrate and the first polarizer;
and/or the optical film layer is arranged between the fourth substrate and the second polarizer.
6. The display module according to claim 4, wherein the first liquid crystal display panel comprises a first substrate and a second substrate which are oppositely arranged, and a liquid crystal layer arranged between the first substrate and the second substrate, the second substrate is arranged close to the second liquid crystal display panel, a first polarizer is arranged on one side of the first substrate close to the second substrate, and a second polarizer is arranged on one side of the second substrate away from the first substrate;
the second liquid crystal display panel comprises a third substrate and a fourth substrate which are oppositely arranged, and a liquid crystal layer arranged between the third substrate and the fourth substrate, the fourth substrate is arranged far away from the first liquid crystal display panel, a third polaroid is arranged on one side of the third substrate far away from the fourth substrate, and a fourth polaroid is arranged on one side of the fourth substrate far away from the third substrate;
the optical film layer is integrated in at least one of the second polarizer, the third polarizer and the fourth polarizer.
7. The display module according to claim 6, wherein at least one of the second polarizer, the third polarizer and the fourth polarizer comprises a polarizing layer and a release film and a protective film on opposite sides of the polarizing layer, and the optical film layer is located between the polarizing layer and the protective film, and/or the optical film layer is located between the polarizing layer and the release film.
8. The display module according to claim 6, wherein at least one of the second polarizer, the third polarizer and the fourth polarizer comprises a polarizing layer and a release film and a protective film on opposite sides of the polarizing layer, the polarizing layer comprises a first TAC layer, a PVA layer, a second TAC layer and a PSA layer in sequence along a direction away from the protective film, and particles are uniformly distributed in at least one of the first TAC layer, the PVA layer, the second TAC layer and the PSA layer for multiplexing as the optical film, wherein the refractive index of the uniformly distributed particles in at least one of the first TAC layer, the PVA layer, the second TAC layer and the PSA layer is different from that of the corresponding film.
9. The display module according to claim 5 or 6, wherein the second polarizer is multiplexed into the third polarizer.
10. A display device comprising the display module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120547691.2U CN215494448U (en) | 2021-03-16 | 2021-03-16 | Display module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120547691.2U CN215494448U (en) | 2021-03-16 | 2021-03-16 | Display module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215494448U true CN215494448U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120547691.2U Active CN215494448U (en) | 2021-03-16 | 2021-03-16 | Display module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215494448U (en) |
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2021
- 2021-03-16 CN CN202120547691.2U patent/CN215494448U/en active Active
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