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:
Oct. 07, 1997
Filed:
Feb. 07, 1996
Applicant:
Inventor:
Hee Sool Koo, Seoul, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
353 98 ;
Abstract
A light width controller is disclosed including a light width controlling mirror of a refractive index n2, the mirror having: a first surface of an angle a1 with respect to horizontal; a second surface of a different angle a2 with respect to horizontal; and a reflection layer for reflecting light incident on the second surface. The first and second surfaces are not parallel. Light that has passed through a medium of a refractive index of n1 smaller than n2 and then has passed through the first surface is incident upon, and then reflected from, the second surface. Also, an image projector utilizing such a light width controller is disclosed.