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:
Dec. 09, 2014

Filed:

May. 22, 2012
Applicants:

Wook-jae Jeon, Hwaseong-si, KR;

Jong-hoi Kim, Suwon-si, KR;

Inventors:

Wook-jae Jeon, Hwaseong-si, KR;

Jong-hoi Kim, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/28 (2006.01); G03B 21/20 (2006.01); G02B 27/14 (2006.01); G03B 33/12 (2006.01); G02B 27/10 (2006.01);
U.S. Cl.
CPC ...
G02B 27/1033 (2013.01); G03B 21/2066 (2013.01); G02B 27/149 (2013.01); G03B 33/12 (2013.01); G03B 21/2033 (2013.01);
Abstract

An image projection apparatus is provided, which includes an illumination unit which generates illumination light, a first prism which receives the illumination light from the illumination unit and performs total reflection of the illumination light, a reflection mirror which receives the illumination light from the first prism and reflects the illumination light, an image forming unit which forms an image from the illumination light that is reflected from the reflection mirror, and a second prism which performs total reflection of the image that is formed by the image forming unit toward a screen.


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