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Color filter and manufacturing method thereof

A technology for color filters and manufacturing methods, which are applied in the fields of filters, optics, opto-mechanical equipment, etc., can solve the problems of low production efficiency and many processes, and achieve the effects of improving production efficiency, reducing manufacturing processes and reducing costs.

Inactive Publication Date: 2012-10-03
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing manufacturing process of the color filter substrate is to separately manufacture the black matrix and the color filter graphics of various colors, which has defects such as many processes and low production efficiency.

Method used

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  • Color filter and manufacturing method thereof
  • Color filter and manufacturing method thereof
  • Color filter and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0057] In this embodiment, three color film patterns are specifically formed on the base substrate of the color filter, namely, the first color film pattern, the second color film pattern and the third color film pattern, and the black matrix and the first color film pattern The graph is formed at the same time as an example for illustration. The specific steps are as follows:

[0058] Step 11: simultaneously forming the first color film pattern and the black matrix;

[0059] image 3 Schematic diagram of the manufacturing method in which the black matrix and the first color film pattern are formed at the same time, such as image 3 As shown in (a), the first color film layer 301 is coated or deposited on the base substrate 300; the black matrix material layer 302 is coated or deposited on the first color film layer 301;

[0060] Such as image 3 As shown in (b), a mask 304 with a gray tone or partial transmission function is used for exposure to form a completely removed area, a par...

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PUM

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Abstract

The invention provides a color filter and a manufacturing method thereof, and belongs to the field of liquid crystal display. The manufacturing method of the color filter comprises the following steps: coating or depositing a first color film layer; coating or depositing a black matrix material layer on the first color film layer; performing primary exposure development of the first color film layer and the black matrix material layer to form a first region and a second region, removing the black matrix material layer of the first region with the first color film layer being left to form a first color film pattern, retaining both the black matrix material layer and the first color film layer of the second region to form a black matrix. Embodiments of the invention can simplify manufacturing procedures of a color film substrate, and improve production efficiency. The technical scheme of the invention is applicable to manufacture of color filters.

Description

Technical field [0001] The invention relates to the field of liquid crystal display, in particular to a color filter and a manufacturing method thereof. Background technique [0002] The liquid crystal display device (Liquid Crvstal Display, LCD) is a non-active light emitting device, and the color filter is the key component for the liquid crystal display device to realize color. [0003] The existing color film substrate includes a base substrate, on which a black matrix is ​​provided, and a color film pattern is arranged in the interval of the black matrix. Generally, the color film pattern may include one of the three primary colors of red, green, and blue. The first color film graphic, the second color film graphic, and the third color film graphic of the following types, or the color film graphic of other colors such as white and yellow. A planarization layer can also be formed on the black matrix and the color film pattern, and a common electrode and spacers can also be arr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03F7/00G02B5/20G02F1/1335
Inventor 徐传祥姚琪李淼
Owner BOE TECH GRP CO LTD