External color filter and the color LCD panel structure therewith

A color filter and liquid crystal display technology, applied in static indicators, instruments, optics, etc., can solve problems affecting the curing effect of the PI layer, increase production costs, and increase process requirements, so as to improve the uniformity of box thickness and save energy. Cost, reduction of material loss effect

Inactive Publication Date: 2008-07-23
深圳市合力泰光电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, this structure has the following defects. First, there are two problems in sputtering the ITO layer on the color film: one is that it needs to be under low temperature conditions, and the other is to prevent the color film from being damaged during the sputtering process.
In addition, when the PI layer is cured, in order to prevent damage to the color film, the curing temperature needs to be lowered, thereby affecting the curing effect of the PI layer, which greatly increases the process requirements for the production of color liquid crystal display boxes.
Secondly, the existence of the color film will also have a negative impact on the uniformity of the cell thickness, which is very unfavorable for STN-LCDs that have high requirements on the uniformity of the cell thickness.
Third, when a defective color filter film is found or produced during the liquid crystal display box forming process, the detection of the defective color filter film will also affect other components (such as liquid crystal display box, IC, FPC, etc.), these Greatly increased unnecessary material loss, thereby increasing production costs

Method used

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  • External color filter and the color LCD panel structure therewith
  • External color filter and the color LCD panel structure therewith
  • External color filter and the color LCD panel structure therewith

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Embodiment 1

[0023] see image 3 , which is a schematic structural diagram of the external color filter of the first embodiment. It includes a substrate 2 made of a transparent polymer flexible material (the substrate can also be made of glass), firstly make a black matrix pattern 3 on the substrate 2, and then make red 4, green 5, and blue 6 patterns step by step. Three-color coloring layer. And fabricating the OC layer 7 on the colored layer, wherein the upper surface of the OC layer 7 and the lower surface of the substrate 2 are respectively bonded with a protective layer 1 through an adhesive 8.

[0024] see Figure 4 , the liquid crystal display panel structure includes upper and lower polarizers 1, upper and lower glass substrates 2, ITO conductive layer 3, PI alignment layer 4, backlight module 5, and the external color filter 6 of the first embodiment is pasted on the backlight Between the module 5 and the lower polarizer 1 , the alignment marks 1 as shown in FIG. 7 are used for...

Embodiment 2

[0026] see Figure 5 , which is the external color filter of the second embodiment. The difference between the second embodiment and the external color filter of the first embodiment is that no protective layer is formed on the substrate 2 . In addition, it should be noted that the protective layer outside the substrate and the OC layer can be added selectively, and the protective layer can be added on the substrate and the outside of the OC layer at the same time, or only on one side, or not on both sides. The protective layer can be a single layer or multiple layers.

[0027] see Image 6 The difference between the liquid crystal display panel structure in the second embodiment of the present invention and the liquid crystal display panel structure in the first embodiment is that the external color filter 6 is bonded between the lower polarizer and the lower glass substrate. In addition, it should be noted that the location of the external color filter can have multiple op...

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Abstract

The present invention relates to one kind of external color filter for LCD panel and one LCD panel structure with the color filter. The external color filter has the structure including one substrate layer with BM and three color layers of R, G and B; one OC layer covering the substrate layer and one optional protecting layer on the OC layer. The independent color filter film may be combined with LCD panel through adhesion in one of the optional positions while ensuring the precise positioning of BM and three color layers of R, G and B to the ITO lines. The present invention has simplified color LCD panel manufacture, raised color filter utilization and lowered cost.

Description

【Technical field】 [0001] The invention relates to a liquid crystal display panel structure with an external color filter. 【Background technique】 [0002] See figure 1 A color liquid crystal display panel mainly includes a backlight module 1, front and rear polarizers 2, upper and lower glass substrates 3, color filter film 4, ITO conductive layer 5 and PI alignment layer 6. Wherein, the color filter film is made on one of the glass substrates, including BM and R, G, B three-color coloring layer 41 and OC protective layer 42. After the color filter film is made, the color filter film A conductive layer of ITO is sputtered on it. It can be seen from this that the color filter film, the glass substrate and the ITO conductive layer are an integral structure, and the color filter film cannot be isolated as a separate product in the entire liquid crystal display process. [0003] see figure 2 , the graph is figure 1 A schematic diagram of the integrated structure of the colo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1335G02F1/133G02B5/23
Inventor 杨彧陈学刚
Owner 深圳市合力泰光电有限公司
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