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.

Date of Patent:
Jun. 10, 2014

Filed:

Aug. 15, 2011
Applicant:

Seiji Ohno, Kanagawa, JP;

Inventor:

Seiji Ohno, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/101 (2006.01); B41J 2/385 (2006.01); B41J 2/435 (2006.01); B41J 2/45 (2006.01);
U.S. Cl.
CPC ...
Abstract

A light-emitting chip includes plural light-emitting thyristors having a first anode terminal, a first cathode terminal, and a first gate terminal, plural setting thyristors having a second anode terminal, a second cathode terminal, and a second gate terminal and setting the absolute value of a threshold voltage of each light-emitting thyristor to be smaller than that in an OFF state, plural transmission thyristors having a third anode terminal, a third cathode terminal, and a third gate terminal and setting the absolute value of a threshold voltage of each setting thyristor to be smaller than that in an OFF state, plural first connecting resistors connecting the first gate terminals and the second gate terminals, plural second connecting resistors connecting the second gate terminals and the third gate terminals, and plural third connecting resistors connecting the first gate terminals to a power supply line supplied with a source potential.


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