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:
May. 06, 2008
Filed:
Jun. 08, 2005
Jin-ho Lee, Gyeonggi-do, KR;
Young-chul Ko, Gyeonggi-do, KR;
Hyun-ku Jeong, Chungcheongbuk-do, KR;
Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Abstract
Provided are an optical scanner including a micro-mirror having an improved a driving angle by using a micro-electro-mechanical system (MEMS) technique and a laser image projector using the same are provided. The optical scanner includes: a substrate; a mirror unit suspended over the substrate and spaced apart from the substrate by a predetermined distance; a supporter situated on the substrate and supporting both ends of the mirror unit so that the mirror unit is suspended over the substrate; a supporting axis connected between both ends of the mirror unit and the supporter so that the mirror unit can be rotatably supported by the supporter; a plurality of movable comb electrodes vertically formed on both sides of the mirror unit; and a plurality of static comb electrodes vertically formed on the substrate in such a way that the static comb electrodes alternate with the movable comb electrodes, wherein the static comb electrode is a two-layer structured electrode.