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:
Oct. 11, 2005
Filed:
Jul. 02, 2004
Shoichi Kuroha, Tokyo, JP;
Shoichi Kuroha, Tokyo, JP;
NEC LCD Technologies, Ltd., Kawasaki, JP;
Abstract
In an LCD, according to an embodiment of the present invention, a projectionis structured on top of insulation layeron a TFT glass substrateand under part of a black matrix. The projectionencircles the transparent region in each pixel so that a spacercannot climb over the projectionand enter the transparent region even though a certain pressure is applied onto the substratesand. The width of the projectionis equal to or less than the diameter of the spacer. The height of the projectionis 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%.