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. 04, 2010
Filed:
Dec. 19, 2008
Hwan-jin Kim, Seongnam-si, KR;
Sang-hee Lee, Yongin-si, KR;
Kyoung-don Lee, Suwon-si, KR;
Se-in Chang, Suwon-si, KR;
Jae-kwang Kim, Seoul, KR;
In-hyuk Choi, Seoul, KR;
Wal-hee Kim, Yongin-si, KR;
Jae-lok Cha, Goyang-si, KR;
Ji-hwan Jang, Seoul, KR;
Hwan-Jin Kim, Seongnam-si, KR;
Sang-Hee Lee, Yongin-si, KR;
Kyoung-Don Lee, Suwon-si, KR;
Se-In Chang, Suwon-si, KR;
Jae-Kwang Kim, Seoul, KR;
In-Hyuk Choi, Seoul, KR;
Wal-Hee Kim, Yongin-si, KR;
Jae-Lok Cha, Goyang-si, KR;
Ji-Hwan Jang, Seoul, KR;
Abstract
A light guide unit for a point light source includes a light incident portion, a first reflecting portion and a second reflecting portion. The light emitted from the point light source enters to the light incident portion. The light incident portion includes an optical pattern diffusing an incident light corresponding to the point light source. The first reflecting portion reflects a first light of the incident light. The second reflecting portion roundly connects the first reflecting portion to the light incident portion and reflects a second light of the incident light.