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:
Dec. 05, 2000
Filed:
Dec. 08, 1995
Applicant:
Inventor:
Takayuki Ishii, Hiratsuka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ; G02F / ; G02F / ;
U.S. Cl.
CPC ...
349 43 ; 349 42 ; 349140 ; 349143 ; 349151 ; 257 67 ; 257 72 ;
Abstract
A liquid crystal display is disclosed having switching devices corresponding to pixel electrodes formed on the same semiconductor layer that has a drive circuit therein. The drive circuit is formed on the semiconductor layer in a single crystal semiconductor region and the switching devices are formed either in a second single crystal semiconductor region or in a non-single crystal semiconductor region. The second single crystal semiconductor region or the non-single crystal semiconductor region bearing the switching devices has a higher density of defects than the first semiconductor region.