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.:

US 7456827 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 25, 2008

Filed:

Aug. 08, 2003
Applicant:

Gerard Eduard Rosmalen, Mierlo, NL;

Inventor:
Assignee:

TPO Displays Corp., Chu-Nan, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to an active matrix display device () having a plurality of pixels (). The pixels are grouped into pixel groups (R', G′, B′). Each pixel group (R′, G′, B′) is assigned a specific duty cycle, such that at least two pixel groups are assigned different duty cycles. The device furthermore comprises circuitry () for driving each pixel group (R′, G′, B′) at its assigned duty cycle. The invention also relates to the driving of such display devices.


Find Patent Forward Citations

Rosmalen, Gerard. (2008). Active matrix display with variable duty cycle (U.S. Patent No. 7456827). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7456827

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