The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 06, 2004
Filed:
Mar. 10, 2000
Applicant:
Inventor:
Shoichi Kuroha, Tokyo, JP;
Assignee:
NEC LCD Technologies Ltd., Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1343 ;
U.S. Cl.
CPC ...
G02F 1/1343 ;
Abstract
In an LCD, according to an embodiment of the present invention, a projection is structured on top of insulation layer on a TFT glass substrate and under part of a back matrix . The projection encircles the transparent region in each pixel so that a spacer cannot climb over the projection and enter the transparent region even though a certain pressure is applied onto the substrates and . The width of the projection is equal to or less than the diameter of the spacer . The height of the projection is equal to or longer than approximately 1% the length of the diameter of the spacer , and it is preferable that it be equal to or longer than approximately 2%.