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:
Dec. 10, 2013
Filed:
Mar. 03, 2008
Tohru Kohno, Kokubunji, JP;
Mitsuhide Miyamoto, Kawasaki, JP;
Hajime Akimoto, Kokubunji, JP;
Naruhiko Kasai, Yokohama, JP;
Masato Ishii, Tokyo, JP;
Tohru Kohno, Kokubunji, JP;
Mitsuhide Miyamoto, Kawasaki, JP;
Hajime Akimoto, Kokubunji, JP;
Naruhiko Kasai, Yokohama, JP;
Masato Ishii, Tokyo, JP;
Japan Display Inc., Tokyo, JP;
Panasonic Liquid Crystal Display Co., Ltd., Hyogo-ken, JP;
Abstract
To shorten the measuring time of the characteristics of light emission of OLED elements for feedback to image data for image display in an organic EL display device. Pixels that emit red lights, pixels that emit green lights, and pixels that emit blue lights are arranged on a screen in a matrix manner. A detection system is provided on the upper side of the screen. A detection line extending from the detection system is coupled to the respective pixels through analog switches and digital switches controlled by switch controlling lines. A detection scanning circuit is provided on the right side of the screen. Detection switch controlling lines extend from the detection scanning circuit. By appropriately selecting the analog switches, the switch controlling lines, and the detection switch controlling lines, the voltage-current characteristics of plural pixels are measured at the same time.