IP Library Granted Patent US 6,927,824
Granted Patent B1
US 6,927,824 · App. 09/662,236 · Granted Aug 9, 2005

Liquid crystal display device and thin film transistor substrate

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Quick Facts
Patent No.
US 6,927,824
App. No.
09/662,236
Granted
Aug 9, 2005
Kind
B1
Abstract

In a vertically aligned liquid crystal display device for controlling liquid crystal molecules alignment in voltage application by providing linear structures or linear slits consisting of a plurality of constituent units to at least one of a pair of substrates having an electrode thereon, there is provided alignment controlling means for forming an alignment singular point s=−1 of liquid crystal molecules at an intersecting point between the structures on the pixel electrode or the slits in the electrode and an edge of a pixel electrode on one of the substrates.

Claims (7)

1. A vertically aligned liquid crystal display device for controlling liquid crystal molecules alignment in voltage application by providing linear structures or linear slits consisting of a plurality of constituent units to at least one of a pair of substrates having an electrode thereon, comprising:

alignment controlling means for forming an alignment singular point s=−1 of liquid crystal molecules at an intersecting point between the structures on the electrode or the slits in the electrode and an edge of a pixel electrode on one of the substrates.

2. A liquid crystal display device according to claim 1 , wherein the linear structures are formed on the pixel electrode or a common electrode.

3. A liquid crystal display device according to claim 1 , wherein the slits are not formed on the edge of the pixel electrode located on prolonged lines of the slits.

4. A liquid crystal display device according to claim 1 , wherein the structure is divided on or over the edge of the pixel electrode.

5. A vertically aligned liquid crystal display device for controlling liquid crystal molecules alignment in voltage application by providing linear structures or linear slits consisting of a plurality of constituent units having a bending portion to at least one of a pair of substrates having an electrode thereon,

wherein the bending portions of the structures or the slits arranged on the other substrate to oppose to a pixel electrode on one substrate are not arranged on the edge of the pixel electrode.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 14, 2005
From: FUJITSU LIMITED
To: SHARP KABUSHIKI KAISHA
Reel/Frame 016345/0210 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 13, 2005
From: FUJITSU DISPLAY TECHNOLOGIES CORPORATION
To: FUJITSU LIMITED
Reel/Frame 016345/0310 →