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:
Aug. 09, 2005
Filed:
Jan. 31, 2003
Applicant:
Ju-seong Hwang, Chungcheongnam-do, KR;
Inventor:
Ju-seong Hwang, Chungcheongnam-do, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B027/30 ;
U.S. Cl.
CPC ...
Abstract
A collimating lens and a collimating system which condense light emitted from a light source with directivity at a high efficiency and a projection type image displaying apparatus using the same. The collimating system includes a light source having at least one dominant emitting angle at which light having a relatively great intensity distribution is emitted and a collimating lens including at least one prism portion having an exit surface sloping at a prism angle corresponding to the dominant emitting angle.