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.

Date of Patent:
Sep. 17, 2002

Filed:

Apr. 25, 2000
Applicant:
Inventor:

Kee-uk Jeon, Suwon, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 2/114 ; G03B 2/100 ; G02F 1/1335 ;
U.S. Cl.
CPC ...
G03B 2/114 ; G03B 2/100 ; G02F 1/1335 ;
Abstract

A reflection type projector having a structure so that aberration generated when sheet type PBS is adopted is corrected is provided. The reflection type projector includes a light source, a sheet type PBS arranged to be inclined with respect to an optical axis on a proceeding path of light emitted from the light source, a reflection type display device for generating an image from an incident light polarized in one direction passing the sheet type PBS and reflecting the generated image toward the sheet type PBS, a relay lens unit arranged on an optical path for guiding an incident light by focusing and/or diverging the incident light, a device for correcting aberration of an incident light, arranged on a proceeding path of the light generated from the reflection type display device and passing the sheet type PBS, and a projection lens unit for magnifying and projecting the light transmitting the correction device toward a screen.


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