CN215932310U

CN215932310U - LCD display module assembly and display screen

Info

Publication number: CN215932310U
Application number: CN202121818281.3U
Authority: CN
Inventors: 林汉良
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-03-01
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses an LCD display module and a display screen, which comprise an upper substrate, a lower substrate, a sealing rubber frame and a liquid crystal layer, wherein 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, an astigmatism ink layer and a lower substrate functional layer are sequentially manufactured on the upper surface of the lower substrate, a transparent plate is attached to the lower surface of the lower substrate through an optical adhesive layer, a lower polarizer is attached to the lower surface of the transparent plate, the lower substrate, the optical adhesive layer and the transparent plate form a light guide plate, and the astigmatism ink layer, the brightening ink layer, the lower substrate, the transparent plate and the lower polarizer form a backlight structure. The utility model integrates all components forming the backlight structure with the LCD display panel, greatly saves raw materials and processing steps, reduces the manufacturing cost and improves the market competitiveness of the product.

Description

LCD display module assembly and display screen

Technical Field

The utility model belongs to the technical field of liquid crystal display, and particularly relates to an LCD display module and a display screen.

Background

In the current display module industry, competition among manufacturers is more and more intense, product competition is not the quality and price of the product, the price of the product depends on the market supply and demand relationship and the manufacturing cost of the product, and under the condition of the intense market competition, the manufacturing cost of the product is crucial to the market competition of the product. The cost of manufacture of product depends on the material cost, the processing cost of product, cost of labor, equipment depreciation cost etc. and wherein most important cost is still material cost and processing cost, and present LCD display screen all matches backlight unit, and LCD display panel and backlight unit combination constitute the LCD display screen, and backlight unit's main backlight structure includes light guide plate, reflecting plate and optics rete, the optics rete is membrane, diffusion barrier etc. that adds lustre to, if carry out integrated optimization with above-mentioned structure and LCD display structure, will save material and processing procedure cost greatly, improve product competitiveness.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide an LCD display module and a display screen with a backlight structure integrated on an 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 module assembly, includes upper substrate, infrabasal plate and is located sealed gluey frame and the 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, and the infrabasal plate lower surface passes through the laminating transparent plate of optical cement layer, polaroid under the laminating of transparent plate lower surface, infrabasal plate, optical cement layer and transparent plate constitute the light guide plate, astigmatism printing ink layer, the printing ink layer of adding lustre to, infrabasal plate, transparent plate and polaroid constitute backlight structure down.

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, a plurality of diffuse reflection points are arranged on the lower surface of the transparent plate and are uniformly arranged, and the diffuse reflection points are formed by subsequent etching or are formed by one-step die-casting with the transparent plate.

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.

Preferably, the lower polarizer is a reflective polarizer.

Further, the lower substrate material is glass or a transparent material with certain hardness.

Preferably, the optical adhesive layer is a solid OCA optical adhesive.

Preferably, the sealant frame material is epoxy glue.

A display screen adopts an LCD display module of above-mentioned any technical scheme.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model integrates the optical film layer which replaces the diffusion film and the brightness enhancement film on the lower substrate of the LCD display panel in a stacking way, utilizes the lower substrate of the LCD display panel, the optical glue layer and the additional transparent plate to form the light guide plate, and utilizes the lower polarizer as the reflecting plate to integrate all components forming the backlight structure with the LCD display panel in a fusion way, thereby greatly saving raw materials and processing procedure process steps, reducing the manufacturing cost and improving the market competitiveness of the product.

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, an astigmatism ink layer, 7, a brightness enhancement ink layer, 8, a lower substrate, 9, an optical adhesive layer, 10, a transparent plate, 11, diffuse reflection points, 12, a lower polarizer, 13, a sealant frame, 100 and a light guide plate.

Detailed Description

The utility model is described in further detail below with reference to the attached drawings:

the utility model relates to an LCD display module and a display screen, wherein an LCD display panel and a backlight structure which form the LCD display module are optimally designed, a manufacturing process is optimally adjusted, the backlight structure and the structure of the LCD display panel are fused and integrated, and backlight is simultaneously manufactured in the manufacturing process of manufacturing 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 lower base and the transparent plate which is attached on the lower substrate through the optical adhesive layer to form the light guide plate structure to realize the light guide plate function, uses the brightness enhancement ink layer and the diffusion ink layer to replace the optical film layer to be manufactured on the upper surface of the lower substrate, and can greatly save materials and reduce the process when the LCD display module is manufactured through the optimally designed structure and the optimally adjusted manufacturing process, thereby reducing the manufacturing cost and improving the market competitiveness of the product.

Example 1

As shown in fig. 1, the LCD display module described in this embodiment is a display module integrating an LCD display panel and backlight, and includes an upper polarizer 1, an upper substrate 2, a lower substrate 8, and a sealant frame 13 and a liquid crystal layer 4 located between the upper substrate and the lower substrate, an upper substrate functional layer 3 is manufactured on the lower surface of the upper substrate, a light-intensifying ink layer 7, a light-diffusing ink layer 6 and a lower substrate functional layer 5 are sequentially stacked on the upper surface of the lower substrate from bottom to top, a transparent plate 10 is attached to the lower surface of the lower substrate through an optical adhesive layer 9, a lower polarizer 12 is attached to the lower surface of the transparent plate, the lower substrate, the optical adhesive layer and the transparent plate form a light guide plate 100, and the light-diffusing ink layer, the light-intensifying ink layer, the transparent plate, the lower substrate and the lower polarizer form a backlight structure. The utility model integrates the light-increasing ink layer 7 and the light-diffusing ink layer 6 which form the backlight structure into the liquid crystal box of the LCD display panel to replace a light-increasing film and a diffusion film, thereby optimizing the materials and the manufacturing process. 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. Infrabasal plate, optical cement layer and transparent plate replace prior art's light guide plate, realize the light guide plate function, specifically do: 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 backlight structure is provided with an important component light guide plate, for the utility model, in order to realize the fusion and integration of the backlight structure and effectively utilize the lower substrate of the existing LCD display panel, the utility model adopts a stacked structure of the lower substrate, an optical adhesive layer and a transparent plate to replace the light guide plate to realize the function of the light guide plate, therefore, the lower surface of the transparent plate is provided with a plurality of diffuse reflection points 11, the diffuse reflection points are uniformly distributed, and the diffuse reflection points can be manufactured by adopting the following method: 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 this 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, the sealant frame material is epoxy glue, and the optical adhesive layer is solid OCA optical adhesive.

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 glass materials, a plurality of diffuse reflection points are arranged on the lower surface of the transparent plate and are uniformly distributed, and the diffuse reflection points are formed on the transparent plate in a one-step forming mode in a die-casting mode. 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

1. The utility model provides a LCD display module assembly which characterized in that: including upper substrate, infrabasal plate and be located upper substrate and the sealed gluey frame and the liquid crystal layer between the infrabasal plate, the upper substrate lower surface makes the upper substrate functional layer, infrabasal plate upper surface makes in proper order and adds lustration printing ink layer, astigmatism printing ink layer and infrabasal plate functional layer, and the infrabasal plate lower surface passes through the laminating transparent plate of optical cement layer, polarizer under the laminating of transparent plate lower surface, infrabasal plate, optical cement layer and transparent plate constitute the light guide plate, astigmatism printing ink layer, accent lustration printing ink layer, infrabasal plate, transparent plate and lower polarizer constitute structure of being shaded.

2. The LCD display module 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 module of claim 1, wherein: the lower surface of the transparent plate is provided with a plurality of diffuse reflection points which are uniformly arranged, and the diffuse reflection points are formed by subsequent etching or are formed by one-step die-casting with the transparent plate.

4. The LCD display module of claim 1, 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 module of claim 1, 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 module of claim 1, wherein: the lower polarizer is a reflective polarizer.

7. The LCD display module of claim 1, wherein: the lower substrate is made of glass or a transparent material with certain hardness.

8. The LCD display module of claim 1, wherein: the optical adhesive layer is solid OCA optical adhesive.

9. The LCD display module of claim 1, wherein: the sealant frame is made of epoxy glue.

10. A display screen, its characterized in that: comprising an LCD display module according to claims 1-9.