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:
Jan. 29, 2008
Filed:
Jul. 01, 2004
Applicants:
Seok-il Yoon, Daejeon Maetropolitan, KR;
Sung-gi Kim, Suwon-si, KR;
Gyu-hwan Hwang, Gyeonggi-do, KR;
Young-il Kah, Suwon-si, KR;
Inventors:
Seok-il Yoon, Daejeon Maetropolitan, KR;
Sung-gi Kim, Suwon-si, KR;
Gyu-hwan Hwang, Gyeonggi-do, KR;
Young-Il Kah, Suwon-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 9/31 (2006.01); H04N 5/74 (2006.01); H04N 9/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are a projection optical system, a projection television, and a method of manufacturing a lens included in the projection optical system. The projection optical system includes lenses for projecting color beams onto a screen. A color filter layer, absorbing at least one of the color beams, is coated on the surface of at least one of the lenses.