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:
Nov. 03, 2009
Filed:
Dec. 20, 2005
Applicants:
Nam Sik Kim, Gyeonggi-do, KR;
Seung Gyu Lee, Gyeonggi-do, KR;
Han Kyoung Cho, Daegu, KR;
Ki SO Bok, Seoul, KR;
Jun Ho Lee, Gyeonggi-do, KR;
Soon Hyung Kwon, Seoul, KR;
Inventors:
Nam Sik Kim, Gyeonggi-do, KR;
Seung Gyu Lee, Gyeonggi-do, KR;
Han Kyoung Cho, Daegu, KR;
Ki So Bok, Seoul, KR;
Jun Ho Lee, Gyeonggi-do, KR;
Soon Hyung Kwon, Seoul, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G03B 21/22 (2006.01); G03B 3/00 (2006.01); G03B 21/28 (2006.01); G03B 21/16 (2006.01); G02F 1/00 (2006.01); H04N 5/64 (2006.01); H04N 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projection lens unit and a thin projector using the same are disclosed. The projection lens unit includes a plurality of lens sets for emitting light carrying an image, and a reflector arranged between adjacent ones of the lens sets or at a downstream end of the lens sets, and adapted to change a direction of light incident on the reflector.