IP Library Granted Patent US 7,199,856
Granted Patent B2
US 7,199,856 · App. 10/726,117 · Granted Apr 3, 2007

Liquid crystal display and method of fabricating the same

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Quick Facts
Patent No.
US 7,199,856
App. No.
10/726,117
Granted
Apr 3, 2007
Kind
B2
Abstract

An MVA liquid crystal display which is high in brightness and has preferable characteristics is provided. Further, the MVA liquid crystal display with a preferable display quality as well as a larger margin in fabrication and a higher yield is provided. A first substrate having a first electrode, a second substrate having a second electrode corresponding to a display pixel, the liquid crystal having negative dielectric anisotropy sealed between the first and the second substrates, and a structure which is provided on each of the first and the second substrate to control an alignment of the liquid crystal are provided. The structure in the first substrate has a linear protrusion structure and provides at least two auxiliary protrusion structures opposing to each end portion facing to the second electrode extending from a protrusion structure provided and the width between the two auxiliary protrusions and the opposing second electrode is more than 6 μm respectively.

Claims (8)

1. A liquid crystal display comprising:

a first substrate having a first electrode;

a second substrate having a second electrode corresponding to a pixel;

a liquid crystal having negative dielectric anisotropy sealed between the first and the second substrates; and

a structure arranged on at least the first substrate to control an alignment of the liquid crystal;

wherein the structure on the first substrate has a linear protrusion structure arranged diagonally to the pixel, at least a part of end portions of the second electrode being in the area decided by the protrusion a structure, and a structure on the second substrate and forming an obtuse angle with the protrusion structure is an overhanging portion extending beyond a borderline of the second electrode.

2. A liquid crystal display in claim 1 , further comprising an auxiliary protrusion structure extending from the protrusion structure and being opposed to the overhanging portion.

3. A liquid crystal display in claim 1 , wherein the overhanging portion has a portion overlapping wirings formed on the second substrate via an insulating film.

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 →