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:
Jan. 03, 2012

Filed:

Feb. 21, 2007
Applicants:

Kenjiro Hamanaka, Minato-ku, JP;

Takahiro Hashimoto, Minato-ku, JP;

Inventors:

Kenjiro Hamanaka, Minato-ku, JP;

Takahiro Hashimoto, Minato-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/18 (2006.01); H01L 33/00 (2010.01); H01L 29/207 (2006.01); H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
Abstract

A light-emitting element array with the improvement of the light-emitting efficiency and the improvement of the uneven amount of light is provided. A light-emitting element array comprises a light-emitting portion array consisting of a plurality of light-emitting portions linearly arranged in a main scanning direction, and a micro-lens formed on each of the light-emitting portions, wherein the micro-lens has a shape of the length of a sub-scanning direction different from the length of the main scanning direction, and the length of the sub-scanning direction is longer than the length of the main scanning direction, and is 3.5 times or less of the length of the main scanning direction.


Find Patent Forward Citations

Loading…