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. 12, 2013
Filed:
May. 18, 2005
Hajime Kimura, Kanagawa, JP;
Jun Koyama, Kanagawa, JP;
Masahiko Hayakawa, Kanagawa, JP;
Yu Yamazaki, Tokyo, JP;
Yukari Ando, Gifu, JP;
Keisuke Miyagawa, Kanagawa, JP;
Hajime Kimura, Kanagawa, JP;
Jun Koyama, Kanagawa, JP;
Masahiko Hayakawa, Kanagawa, JP;
Yu Yamazaki, Tokyo, JP;
Yukari Ando, Gifu, JP;
Keisuke Miyagawa, Kanagawa, JP;
Semiconductor Energy Laboratory Co., Ltd., Atsugi-shi, Kanagawa-ken, JP;
Abstract
A display device having a pixel configuration in which the aperture ratio is not decreased, and a driving method of a display device in which the duty ratio and the reliability of a light emitting element are increased. According to the invention, a signal line for inputting an analog signal, a first switch controlled by a first scan line, a second switch controlled by a second scan line, and a light emitting element connected to the second switch are included, wherein the first switch and the second switch are selected and an analog signal is inputted in a first period of one gate selection period, the first switch is selected and a reference signal is inputted from the signal line in a second period of the one gate selection period, and the light emitting element emits light by the analog signal and the reference signal.