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:
Apr. 14, 1992
Filed:
Oct. 16, 1990
Applicant:
Inventors:
Koji Senda, Nagaokakyo, JP;
Fumiaki Emoto, Hirakata, JP;
Eiji Fujii, Takatsuki, JP;
Atsuya Yamamoto, Takatsuki, JP;
Akira Nakamura, Suita, JP;
Assignee:
Matsushita Electronics Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ; G09G / ;
U.S. Cl.
CPC ...
359 57 ; 359 85 ; 340784 ;
Abstract
A liquid crystal display apparatus in which leakage of light caused by signal lines can be eliminated is disclosed. In the liquid crystal display apparatus, a predetermined potential corresponding to the black level is applied to the video signal lines during a period of time other than the horizontal blanking period, and image signals are transferred to one row of the pixels through the signal lines which the horizontal blanking period.