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:
Mar. 30, 2004
Filed:
Aug. 09, 2002
Applicant:
Inventors:
Tae Soo Park, Namyangiu-si, KR;
Kee Tee Um, Gunpo-si, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 2/712 ;
U.S. Cl.
CPC ...
G02B 2/712 ;
Abstract
The optical device with a function of homogenizing and color separation according to the present invention has a shape of rod, makes a distribution of light uniform by totally u reflecting the incidence light at a boundary inside the device repeatedly, and separates the incidence light into light of different colors based on a wavelength band, the light of different colors outputted through different optical paths which are not overlaid one another.