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:
Sep. 11, 2001
Filed:
Jan. 29, 1999
Duane A. Haven, Umpqua, OR (US);
Arthur J. Learn, Cupertino, CA (US);
John D. Porter, Berkeley, CA (US);
Candescent Technologies Corporation, San Jose, CA (US);
Abstract
A light-emitting structure contains a plate (,), light-emissive regions (,R,,G, and,B) overlying the plate, and a dark region (,DR/,DC,,IR/,DC,,DR/,DC, or,DR/,DR/,DC) overlying the plate and laterally surrounding each light-emissive region. In one aspect, the dark region is formed with (a) multiple first strips (,DR,,IR,,DR, or,DR) extending in one direction and (b) multiple second strips (,DC,,DC,,DC, or,DC) extending in another direction and also extending further away from the plate than the first strips. In another aspect, the dark region contains trapezoidally profiled strips (,), each having a width profile shaped like an upright trapezoid.