IP Library Granted Patent US 8,432,517
Granted Patent B2
US 8,432,517 · App. 13/571,969 · Granted Apr 30, 2013

Liquid crystal display device and method of manufacturing that

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Quick Facts
Patent No.
US 8,432,517
App. No.
13/571,969
Granted
Apr 30, 2013
Kind
B2
Abstract

A solution for an alignment film of a liquid crystal display device includes a photo decomposition type polyimide acid which forms the alignment film in response to radiation of a polarized light, wherein a viscosity of the solution is not more than 35 mPa·s.

Claims (9)

1. A solution for an alignment film of a liquid crystal display device comprising;

a photo decomposition type polyimide acid which forms the alignment film in response to radiation of a polarized light;

wherein a viscosity of the solution is not more than 35 mPa·s.

2. A solution according to claim 1 , wherein the solution comprises an organic solvent which is volatile.

3. A solution according to claim 2 , wherein the photo decomposition type polyimide acid forms the alignment film in response to radiation of the polarized light and baking.

4. A solution according to claim 3 , wherein the polarized light contains ultraviolet rays.

5. A solution according to claim 4 , wherein the liquid crystal display device is an IPS type liquid crystal display device.

6. A solution according to claim 1 , wherein the polarized light contains ultraviolet rays.

7. A solution according to claim 6 , wherein the liquid crystal display device is an IPS type liquid crystal display device.

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 10, 2025
From: JAPAN DISPLAY INC
To: MAGNOLIA PURPLE CORPORATION
Reel/Frame 071890/0202 →
CHANGE OF NAME Recorded Nov 17, 2023
From: HITACHI DISPLAYS, LTD.
To: JAPAN DISPLAY EAST, INC.
Reel/Frame 065614/0223 →
CHANGE OF NAME Recorded Nov 17, 2023
From: JAPAN DISPLAY EAST, INC.
To: JAPAN DISPLAY, INC.
Reel/Frame 065614/0644 →
CHANGE OF ADDRESS Recorded Nov 17, 2023
From: JAPAN DISPLAY, INC.
To: JAPAN DISPLAY, INC.
Reel/Frame 065654/0250 →
NUNC PRO TUNC ASSIGNMENT Recorded Nov 17, 2023
From: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
To: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
Reel/Frame 065615/0327 →