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. 12, 2002
Filed:
Mar. 29, 1999
Paul McKay Moore, San Bruno, CA (US);
National Semiconductor Corporation, Santa Clara, CA (US);
Abstract
A pixel cell array for a silicon light valve positions a reflective metal surface underneath inter-pixel regions. This underlying reflective metal surface reflects incident light, thereby preventing absorption of light in inter-pixel regions that can disturb charge stored in underlying capacitors or cause dark lines to appear between electrodes. The underlying reflective metal surface can be formed as a plurality of discrete, floating, electrically-isolated structures. Alternatively, the underlying reflective metal surface can formed as a plurality of discrete structures linked to adjacent pixel electrodes through via structures. The underlying reflective metal surface can also be designed as a continuous grid including a contact for receiving an applied bias.