Liquid crystal display panel

Patent metadata

Field	Value
Publication number	US-2016334663-A1
Application number	US-201514905387-A
Country	US
Kind code	A1
Filing date	Jun 11, 2015
Priority date	Jan 22, 2015
Publication date	Nov 17, 2016
Grant date	—

Abstract

The present invention provides a liquid crystal display panel, belongs to the field of liquid crystal display technology, and solves a problem of serious light leak in dark state in an existing liquid crystal display panel. The liquid crystal display panel of the present invention comprises a first substrate and a second substrate assembled in an aligned manner, and liquid crystals provided between the first and second substrates, both the first and second substrates comprise a base which comprises glass, and the maximum stress in the glass of the base is smaller than or equal to 0.4 MPa.

First claim

1 . A liquid crystal display panel, characterized in that, the liquid crystal display panel comprises a first substrate and a second substrate assembled in an aligned manner, and liquid crystals provided between the first and second substrates, both the first and second substrates comprise a base which comprises glass, wherein,
the maximum stress in the glass of the base is smaller than or equal to 0.4 MPa.

2 . The liquid crystal display panel according to claim 1 , characterized in that, the base is made of glass.

3 . The liquid crystal display panel according to claim 2 , characterized in that, a thickness of the base is smaller than or equal to 0.5 mm.

4 . The liquid crystal display panel according to claim 3 , characterized in that, a thickness of the base is in the range of 0.1 mm to 0.5 mm.

5 . The liquid crystal display panel according to claim 1 , characterized in that, the liquid crystal display panel further comprises:
polarizers provided on sides of the first substrate and the second substrate away from the liquid crystals, respectively, and Young's moduli of the polarizers are smaller than or equal to 2500 MPa.

6 . The liquid crystal display panel according to claim 5 , characterized in that, the polarizers are polymethyl methacrylate polarizers.

7 . The liquid crystal display panel according to claim 1 , characterized in that, in dark state, liquid crystal retardation value of the liquid crystals is in the range of 373 nm to 405 nm.

8 . The liquid crystal display panel according to claim 1 , characterized in that, the liquid crystal display panel further comprises:
spacers provided between the first substrate and the second substrate, each spacer comprises a first spacer, whose bottom is connected to the first substrate, and a second spacer, whose bottom is connected to the second substrate, the first spacers are in one-to-one correspondence with the second spacers, and concave and convex structures matching with each other are provided at the top of the first spacer and the top of the second spacer corresponding to the first spacer, respectively.

9 . The liquid crystal display panel according to claim 1 , characterized in that, the base comprises resin and glass fiber distributed in the resin, and a ratio of an elastic coefficient of the glass fiber to an elastic coefficient of the resin is larger than or equal to 25.

10 . The liquid crystal display panel according to claim 1 , characterized in that,
the liquid crystal display panel is an advanced super dimension switch mode liquid crystal display panel.

Assignees

• Boe Technology Group Co Ltd

Inventors

• You Jaegeon
• Jia Qian

Classifications

• G02F2001/133302

  Physics · mapped topic

• G02F1/133528

  Polarisers · CPC title

• G02F1/13394 Primary

  spacers regularly patterned on the cell subtrate, e.g. walls, pillars (G02F1/133377 takes precedence) · CPC title

• G02F1/133302

  Rigid substrates, e.g. inorganic substrates · CPC title

• G02F1/1333 Primary

  Constructional arrangements; {Manufacturing methods}(G02F1/135, G02F1/136 take precedence) · CPC title