CN216286078U - LCD display panel and display screen of integrated backlight structure - Google Patents
LCD display panel and display screen of integrated backlight structure Download PDFInfo
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- CN216286078U CN216286078U CN202121817452.0U CN202121817452U CN216286078U CN 216286078 U CN216286078 U CN 216286078U CN 202121817452 U CN202121817452 U CN 202121817452U CN 216286078 U CN216286078 U CN 216286078U
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Abstract
The utility model discloses an LCD display panel and a display screen integrated with a backlight structure, wherein the LCD display panel comprises an upper polaroid, a lower polaroid and a liquid crystal box positioned between the upper polaroid and the lower polaroid, the lower polaroid is attached to the lower surface of the liquid crystal box through an optical glue layer, a plurality of diffuse reflection points are arranged on the optical glue layer, the liquid crystal box comprises an upper substrate, a lower substrate, a sealing glue frame and a liquid crystal layer, the sealing glue frame and the liquid crystal layer are positioned between the upper substrate and the lower substrate, an upper substrate functional layer is manufactured on the lower surface of the upper substrate, a brightening ink layer, an astigmatism ink layer and a lower substrate functional layer are sequentially manufactured on the upper surface of the lower substrate, and the astigmatism ink layer, the brightening ink layer, the lower substrate, the optical glue layer and the lower polaroid form the backlight structure. The utility model integrates the backlight structure on the LCD display panel, not only optimizes the structure and the manufacturing process, but also saves materials, greatly reduces the manufacturing cost and ensures that the product has more market competitiveness.
Description
Technical Field
The utility model belongs to the technical field of liquid crystal display, and particularly relates to an LCD display panel and a display screen integrated with a backlight structure.
Background
In the current display module industry, competition among manufacturers is more and more intense, so that the manufacturing cost of a product is crucial to market competition of the product. The manufacturing cost of the product depends on the material cost, the process cost, the labor cost, the equipment depreciation cost and the like of the product, the most important cost is the material cost and the process cost, the current LCD display screen is matched with a backlight module, the backlight module generally comprises a light source and a backlight structure, and the backlight structure mainly comprises a reflecting plate, a light guide plate, a brightness enhancement film and a diffusion film. The LCD display panel and the backlight module need to be manufactured separately for the current display screen and then combined, so that the manufacturing process is complex, the used materials are more, and the manufacturing cost is difficult to reduce under the current structural condition.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide an LCD display panel and a display screen with a backlight structure integrated on the LCD display panel.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a LCD display panel of integrated structure of being shaded, LCD display panel includes polaroid, lower polaroid and is located the liquid crystal box between polaroid and the lower polaroid, the polaroid passes through the laminating of optical cement layer at the liquid crystal box lower surface down, set up a plurality of diffuse reflection points on the optical cement layer, the liquid crystal box includes upper substrate, infrabasal plate and is located sealed gluey frame and liquid crystal layer between upper substrate and the infrabasal plate, upper substrate lower surface preparation upper substrate functional layer, infrabasal plate upper surface makes in proper order and adds lustre to printing ink layer, astigmatism printing ink layer and infrabasal plate functional layer, astigmatism printing ink layer, the structure of being shaded of adding lustre to printing ink layer, infrabasal plate, optical cement layer and lower polaroid constitution.
Furthermore, the stack order of the brightening ink layer, the light scattering ink layer and the lower substrate functional layer on the upper surface of the lower substrate is from bottom to top, and the brightening ink layer, the light scattering ink layer and the lower substrate functional layer, or the brightening ink layer, the lower substrate functional layer and the light scattering ink layer, or the lower substrate functional layer, the brightening ink layer and the light scattering ink layer are sequentially arranged on the stack order.
Furthermore, the diffuse reflection points are uniformly arranged, and the diffuse reflection points are formed by subsequent etching or are formed by one-step printing.
Furthermore, the thickness of the brightening ink layer is less than 10 microns, and the manufacturing process can be any one of film coating, silk-screen printing, stamping and transfer printing.
Furthermore, the thickness of the light scattering ink layer is less than 10 μm, and the manufacturing process can be any one of film coating, silk screen printing, stamping and transfer printing.
Further, the thickness of the optical adhesive layer is 50-200 μm.
Preferably, the optical adhesive layer is a solid OCA optical adhesive.
Further, the lower polarizer is a reflective polarizer.
Further, the lower substrate material is glass or a transparent material with certain hardness.
A display screen adopts the LCD display panel of the integrated backlight structure of any technical scheme.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model adds the intensifying ink layer and the light scattering ink layer on the upper surface of the lower glass of the liquid crystal box of the existing LCD display panel to replace the intensifying film and the diffusion film, and utilizes the lower polarizer of the existing LCD display panel to replace the reflecting plate, and the optical adhesive attached to the lower polarizer is made into the optical film layer with the function of the light guide plate, thereby integrating the backlight structure on the LCD display panel, not only optimizing the structure and the process, but also saving the material, greatly reducing the manufacturing cost and enabling the product to have more market competitiveness.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic structural view of example 2 of the present invention;
FIG. 3 is a schematic structural diagram of example 3 of the present invention;
wherein: 1. the backlight module comprises an upper polarizer, 2, an upper substrate, 3, an upper substrate functional layer, 4, a liquid crystal layer, 5, a lower substrate functional layer, 6, a light scattering ink layer, 7, a light intensifying ink layer, 8, a lower substrate, 9, an optical adhesive layer, 10, a lower polarizer, 11, diffuse reflection points, 12, a sealing adhesive frame, 100 and a backlight structure.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings:
the utility model relates to an LCD display panel and a display screen integrated with a backlight structure, which redesigns the structure of the LCD display panel, adjusts the manufacturing process, integrates the backlight structure and the LCD display panel together, and simultaneously performs the backlight manufacture in the manufacturing process of the LCD display panel. The utility model uses the lower polarizer of the LCD display panel to replace the transmitting plate to realize the brightness enhancement function, uses the optical cement attached with the lower polarizer to replace the existing light guide plate to realize the function of the light guide plate, manufactures the brightness enhancement film and the diffusion film of the backlight structure on the upper surface of the lower substrate, and replaces the brightness enhancement film and the diffusion film with the ink layers with corresponding functions, and the backlight structure and the display module which are redesigned and optimized can greatly save materials, reduce the process procedures, further reduce the manufacturing cost and improve the market competitiveness of products.
Example 1
As shown in fig. 1, the LCD display panel described in this embodiment includes an upper polarizer 1, a lower polarizer 10, and a liquid crystal cell located between the upper polarizer and the lower polarizer, the lower polarizer is attached to a lower surface of the liquid crystal cell through an optical adhesive layer 9, a plurality of diffuse reflection dots 11 are disposed on the optical adhesive layer, the liquid crystal cell includes an upper substrate 2, a lower substrate 8, a sealant frame 12 and a liquid crystal layer 4 located between the upper substrate and the lower substrate, an upper substrate functional layer 3 is formed on a lower surface of the upper substrate 2, a light-intensifying ink layer 7, a light-diffusing ink layer 6 and a lower substrate functional layer 5 are sequentially stacked on an upper surface of the lower substrate 8 from bottom to top, and the light-diffusing ink layer, the light-intensifying ink layer, the lower substrate, the optical adhesive layer and the lower polarizer constitute a backlight structure 100. The backlight structure is integrated in the LCD display panel, the intensifying ink layer 7 and the light scattering ink layer 6 which form the backlight structure are integrated in the liquid crystal box and are replaced by the ink layers with corresponding functions, and materials and a manufacturing process are optimized. For the utility model, the light scattering ink layer replaces the diffusion film in the prior art to realize the function of the diffusion film, and specifically comprises the following steps: realize the even diffusion of light to can shield the function of some defects on diffuse reflection pattern and the surface of being shaded on the light guide plate, the membrane that adds lustre to of prior art is replaced to the layer of printing ink that adds lustre to, realizes the function of membrane that adds lustre to, specifically is: the scattered light emitted by the light source is gathered towards the front direction and emitted within a certain range, so that the brightness is improved. The light guide plate of prior art is replaced to the optics glue film, realizes the light guide plate function, specifically is: and converting the linear light source into a surface light source. The lower polarizer replaces a reflecting plate in the prior art, and the reflecting plate function is realized, and the method specifically comprises the following steps: the light guide plate is used for reflecting the light exposed from the bottom surface of the light guide plate back to the light guide plate, so that the light reflection function is realized, and the use efficiency of the light is improved.
Generally, the upper substrate and the lower substrate of the LCD display panel both use glass substrates, and the upper substrate is made of glass, and the lower substrate is made of glass or a transparent material with a certain hardness. The lower substrate of this embodiment is preferably made of PMMA.
In general, the polarizer itself is provided with a pressure sensitive adhesive layer, and for the present invention, in order to realize optimization and integration of the backlight structure, the present invention uses an optical adhesive layer to replace a light guide plate to realize the function of the light guide plate, so the thickness of the optical adhesive layer is 50-200 μm, the material is solid OCA optical adhesive, and the lower surface of the optical adhesive layer is provided with a plurality of diffuse reflection points, the diffuse reflection points are uniformly distributed, and the diffuse reflection points can be manufactured in the following way: 1. printing diffuse reflection points on the lower surface of the lower substrate in a printing mode, 2, etching the diffuse reflection points on the lower surface of the lower substrate in a chemical etching mode, 3, etching the diffuse reflection points on the lower surface of the lower substrate in a laser etching mode, and 4, etching the diffuse reflection points on the lower surface of the lower substrate in a photolithography method. Chemical etching is used for the present embodiment.
In order to improve the utilization rate of the light source, the lower polarizer implemented in the market is a reflective polarizer.
For the embodiment, the thickness of the brightening ink layer is less than 10 μm, the manufacturing process may be any one of coating, silk-screen printing, stamping and transfer printing, the thickness of the light scattering ink layer is less than 10 μm, the manufacturing process may be any one of coating, silk-screen printing, stamping and transfer printing, and the sealant frame material is epoxy glue.
Based on the above technical solution, this embodiment further provides a display screen, and the LCD display panel integrated with the backlight structure according to the above technical solution is adopted.
Example 2
This example differs from example 1 in that: the lower substrate of the backlight structure is made of a glass material, a plurality of diffuse reflection points are arranged on the lower surface of the optical adhesive layer and are uniformly distributed, and the diffuse reflection points are printed on the lower surface of the optical adhesive layer in a printing mode and then are formed. As shown in fig. 2, in the embodiment, the light increasing ink layer, the light scattering ink layer, and the lower substrate functional layer are sequentially formed on the upper surface of the lower substrate from bottom to top by the stacking order of the light increasing ink layer, the lower substrate functional layer, and the light scattering ink layer, or the lower substrate functional layer, the light increasing ink layer, and the light scattering ink layer.
Example 3
As shown in fig. 3, the present embodiment is different from embodiment 2 in that: in this embodiment, the light-enhancing ink layer, the light-scattering ink layer and the lower substrate functional layer are sequentially formed on the lower substrate functional layer, the light-enhancing ink layer and the light-scattering ink layer from bottom to top in the stacking order of the upper surface of the lower substrate.
Claims (10)
1. An LCD display panel integrated with a backlight structure, comprising: the LCD display panel comprises an upper polaroid, a lower polaroid and a liquid crystal box positioned between the upper polaroid and the lower polaroid, wherein the lower polaroid is attached to the lower surface of the liquid crystal box through an optical adhesive layer, a plurality of diffuse reflection points are arranged on the optical adhesive layer, the liquid crystal box comprises an upper substrate, a lower substrate, a sealing rubber frame and a liquid crystal layer, the sealing rubber frame and the liquid crystal layer are positioned between the upper substrate and the lower substrate, an upper substrate functional layer is manufactured on the lower surface of the upper substrate, a brightening ink layer, a light scattering ink layer and a lower substrate functional layer are manufactured on the upper surface of the lower substrate, and the light scattering ink layer, the lower substrate, the optical adhesive layer and the lower polaroid form a backlight structure.
2. The LCD display panel with integrated backlight structure of claim 1, wherein: the stack order of the brightening ink layer, the light scattering ink layer and the lower substrate functional layer on the upper surface of the lower substrate is sequentially the brightening ink layer, the light scattering ink layer and the lower substrate functional layer from bottom to top, or the brightening ink layer, the lower substrate functional layer and the light scattering ink layer, or the lower substrate functional layer, the brightening ink layer and the light scattering ink layer.
3. The LCD display panel with integrated backlight structure of claim 2, wherein: the diffuse reflection points are uniformly arranged and are formed by subsequent etching or are formed by one-step printing.
4. An LCD display panel with integrated backlight structure as claimed in any one of claims 1 to 3, wherein: the thickness of the brightening ink layer is less than 10 mu m, and the manufacturing process can be any one of film coating, silk-screen printing, stamping and transfer printing.
5. The LCD display panel with integrated backlight structure of claim 4, wherein: the thickness of the light scattering ink layer is less than 10 mu m, and the manufacturing process can be any one of film coating, silk screen printing, stamping and transfer printing.
6. The LCD display panel with integrated backlight structure of claim 5, wherein: the thickness of the optical adhesive layer is 50-200 μm.
7. The LCD display panel with integrated backlight structure of claim 6, wherein: the optical adhesive layer is solid OCA optical adhesive.
8. The LCD display panel with integrated backlight structure of claim 7, wherein: the lower polarizer is a reflective polarizer.
9. An LCD display panel with integrated backlight structure as claimed in claim 8, wherein: the lower substrate is made of glass or a transparent material with certain hardness.
10. A display screen, its characterized in that: an LCD display panel comprising an integrated backlight structure according to claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121817452.0U CN216286078U (en) | 2021-08-05 | 2021-08-05 | LCD display panel and display screen of integrated backlight structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121817452.0U CN216286078U (en) | 2021-08-05 | 2021-08-05 | LCD display panel and display screen of integrated backlight structure |
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| Publication Number | Publication Date |
|---|---|
| CN216286078U true CN216286078U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121817452.0U Active CN216286078U (en) | 2021-08-05 | 2021-08-05 | LCD display panel and display screen of integrated backlight structure |
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2021
- 2021-08-05 CN CN202121817452.0U patent/CN216286078U/en active Active
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