IP Library Granted Patent US 8,203,661
Granted Patent B2
US 8,203,661 · App. 13/363,033 · Granted Jun 19, 2012

Liquid crystal display device, display device and manufacturing method thereof

Assignees: Hitachi Displays, Ltd.; Panasonic Liquid Crystal Display Co., Ltd.
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Quick Facts
Patent No.
US 8,203,661
App. No.
13/363,033
Granted
Jun 19, 2012
Kind
B2
Abstract

Image display device having an electrode forming layer which includes a plurality of gate lines, a plurality of drain lines, a plurality of switching elements and the a plurality of pixel electrodes, and having reference electrode layer between the electrode forming layer and a substrate where the electrode forming layer formed thereon, and the reference electrode layer and the electrode forming layer are insulated by insulating layer.

Claims (16)

1. A liquid crystal display device comprising:

first and second substrate;

a liquid crystal layer sandwiched between the first and the second substrate;

at least a pixel electrode and at least a counter electrode formed on the first substrate;

at least a reference electrode formed on the first substrate;

wherein the pixel electrode is over the reference electrode and below the counter electrode, and the reference electrode and the counter electrode is connected by through hole.

2. The liquid crystal display device according to claim 1 , further comprising organic insulating layer is arranged between the counter electrode and the pixel electrode.

3. The liquid crystal display device according to claim 2 , further comprising inorganic insulating layer is arranged between the counter electrode and the pixel electrode.

4. A liquid crystal display device comprising:

first and second substrate;

a liquid crystal layer sandwiched between the first and the second substrate;

at least a pixel electrode and at least a counter electrode formed on the first substrate;

at least a reference electrode formed on the first substrate;

wherein the pixel electrode is upper layer of the reference electrode and lower layer of the counter electrode, and the reference electrode and the counter electrode is connected by through hole.

5. The liquid crystal display device according to claim 4 , further comprising organic insulating layer is arranged between the counter electrode and the pixel electrode.

6. The liquid crystal display device according to claim 5 , further comprising inorganic insulating layer is arranged between the counter electrode and the pixel electrode.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 31, 2012
From: NAKAYOSHI, YOSHIAKI; YANAGAWA, KAZUHIKO
To: HITACHI, LTD.
Reel/Frame 027627/0899 →
MERGER Recorded Jan 31, 2012
From: IPS ALPHA SUPPORT CO., LTD.
To: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
Reel/Frame 027628/0019 →
COMPANY SPLIT Recorded Jan 31, 2012
From: HITACHI, LTD.
To: HITACHI DISPLAYS, LTD.
Reel/Frame 027629/0144 →
COMPANY SPLIT Recorded Jan 31, 2012
From: HITACHI DISPLAY, LTD.
To: HITACHI DISPLAYS, LTD.; IPS ALPHA SUPPORT CO., LTD.
Reel/Frame 027629/0292 →
Priority Claims (1)
JP 2001-317147 · Oct 15, 2001 · national
Continuity (7)
Continuation 12926735 · Dec 7, 2010
Continuation 12292728 · Nov 25, 2008
Division 11976884 · Oct 29, 2007
Division 11409076 · Apr 24, 2006
Division 11211574 · Aug 26, 2005
Division 10237911 · Sep 10, 2002
Related Publication 20120127410A1 · May 24, 2012