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Liquid crystal panel and method for inspecting liquid crystal panel

A technology of liquid crystal panel and liquid crystal alignment film, applied in the directions of instruments, analytical materials, optics, etc., can solve problems such as poor liquid crystal alignment, and achieve the effect of easy inspection

Inactive Publication Date: 2012-04-18
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the above liquid crystal alignment film formation process, when the imidation of polyamic acid is insufficient due to reasons such as low firing temperature of the coating film, poor alignment of liquid crystals occurs.

Method used

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  • Liquid crystal panel and method for inspecting liquid crystal panel
  • Liquid crystal panel and method for inspecting liquid crystal panel
  • Liquid crystal panel and method for inspecting liquid crystal panel

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Experimental program
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Embodiment Construction

[0039] Embodiments of the present invention will be described below with reference to the drawings. In this specification, the liquid crystal panel will be described as being placed on a horizontal mounting surface with the display surface facing upward, regardless of whether it is in the middle of the manufacturing process or after it becomes a finished product.

[0040] exist figure 1 In the illustrated liquid crystal panel 1 , a black matrix (may be referred to as "BM" in this specification) region 3 surrounds the outside of a central display region 2 (hatched region) in a frame shape. Furthermore, the outside of the BM region 3 is surrounded by a sealing region 4 . figure 1 The upper part of the liquid crystal panel 1 is the terminal part 5 . A see-through portion 6 is formed in a part of the BM region 3 .

[0041] figure 2 The structure of the part of the see-through part 6 is shown. The TFT substrate 10 has a structure in which the following components are sequen...

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Abstract

Provided is a liquid crystal panel (1) wherein liquid crystal alignment films (18, 24) composed of polyimide are formed on the facing surfaces of a TFT substrate (10) and a CF substrate (20), and a liquid crystal is sealed between the TFT substrate (10) and the CF substrate (20). On the TFT substrate (10) side, a metal film (40) which can be optically recognized from the CF substrate (20) side and operates as an infrared light reflecting plate at the time of measuring the imidization of the liquid crystal alignment film (18) which covers the TFT substrate is formed.

Description

technical field [0001] The invention relates to a liquid crystal panel and a liquid crystal panel inspection method. Background technique [0002] Liquid crystal panels using thin film transistors (sometimes referred to as "TFT" in this specification), especially active matrix liquid crystal panels, are widely used for their excellent performance in terms of image quality, viewing angle, and response speed. in dynamic image display. [0003] The liquid crystal panel is configured by arranging two electrode substrates each having an alignment film so that the liquid crystal alignment films face each other, and sealing liquid crystal between these electrode substrates. The above two electrode substrates are referred to as a TFT substrate and a color filter (sometimes referred to as "CF" in this specification) substrate in a TFT liquid crystal panel. [0004] As a liquid crystal aligning film, polyimide (it may be called "PI" in this specification) is generally used. For exa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1337G01N21/35
CPCG02F1/1309G02F1/1362G02F1/133723G01N2021/9513G01N21/95
Inventor 端山贵文
Owner SHARP KK