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:
Jun. 14, 2011
Filed:
Feb. 04, 2008
Masahiro Adachi, Tottori, JP;
Yutaka Hashimoto, Tottori, JP;
Katsuhisa Kanzaki, Tottori, JP;
Tomoki Abe, Tottori, JP;
Hirofumi Kasada, Tottori, JP;
Koshi Ando, Tottori, JP;
Masahiro Adachi, Tottori, JP;
Yutaka Hashimoto, Tottori, JP;
Katsuhisa Kanzaki, Tottori, JP;
Tomoki Abe, Tottori, JP;
Hirofumi Kasada, Tottori, JP;
Koshi Ando, Tottori, JP;
Tottori University, Tottori, JP;
Abstract
An electronic device, and a corresponding light emission control method for the electronic device, emit light by utilizing recombination of electrons and holes the device and method input a pulse-shaped driving signal having a duty ratio higher than or equal to 0.7 and lower than 1.0 and thereby causing light to be emitted intermittently. When an electron density is denoted by n, a hole density by p, a thermal velocity of electrons by V, a thermal velocity of holes by V, an electron capture cross section of a defect level by σ, a hole capture cross section of a defect level by σ, and a pulse width of the driving signal by W, the input driving signal has a pulse width W that satisfies W<1/{n·v·σ·p·v·σ/(n·v·σ+p·v·σ)}.