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:
Nov. 06, 2001
Filed:
Sep. 15, 1999
Sony Corporation, Tokyo, JP;
Abstract
Light emission data is supplied to an RDATA latch,R, a GDATA latch,G, and a BDATA latch,B and latched as R, G, and B data for every pixel. In an arithmetic operation processing unit,, an arithmetic operation is performed using the latched R, G, and B data and a chromaticity correction coefficient C,written in a chromaticity correction coefficient register,. An arithmetic operation result of the arithmetic operation processing unit,is supplied as correction light emission data into a data memory,and stored. In a luminance correction data memory,, luminance correction data is supplied to a constant current driver,in accordance with a supplied control signal. The constant current driver,drives an LED display,in accordance with the correction light emission data and the luminance correction data.