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. 01, 1995
Filed:
Jul. 01, 1993
Applicant:
Inventor:
Kaeko Kuga, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
359636 ; 357618 ; 357834 ; 357850 ; 362 31 ; 362342 ; 362346 ; 362800 ;
Abstract
A light source for flat-panel display comprising reflectors each having a triangular shape in section which are stacked on top of another so as to have at least three slant faces such that at least an uppermost face of the stacked reflectors is perpendicular to a lateral side thereof, a slant face of each of the reflectors being subjected to a surface treatment such that a ray of light incident laterally to the reflectors is reflected substantially parallel to a lateral side thereof, whereby rays of colors which are incident laterally to each of the reflectors advance via the uppermost face of the stacked reflectors substantially perpendicularly.