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:
Mar. 23, 1999
Filed:
Jun. 02, 1995
Applicant:
Inventors:
David Fifield, San Jose, CA (US);
Walter K Hurwitz, Sunnyvale, CA (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345206 ; 345207 ; 345211 ;
Abstract
The present apparatus is for use in for example, a personal digital assistant (PDA) laptop computer, personal computer, watch or the like, and in one embodiment includes a transparent or semitransparent liquid crystal display disposed over a solar cell array, and in another embodiment includes a transparent or semitransparent solar cell array disposed over a liquid crystal display. In yet another embodiment, alternate display units and solar cell array units are positioned on a substrate.