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:
May. 19, 2015
Filed:
Jan. 15, 2013
Applicants:
Hirokazu Taguchi, Tokyo, JP;
Kimito Nishikawa, Tokyo, JP;
Inventors:
Hirokazu Taguchi, Tokyo, JP;
Kimito Nishikawa, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2053 (2013.01); H04N 9/3155 (2013.01); H04N 9/3164 (2013.01); H04N 9/3194 (2013.01); G03B 21/2033 (2013.01); G03B 21/206 (2013.01); H04N 9/3111 (2013.01); H04N 9/3152 (2013.01);
Abstract
A projection type display includes an illumination optical system provided with a light source including, for respective predetermined colors, LED arrays each formed of six LEDs, a light source controller that controls the LED arrays to turn on, an integration device, and a DMD, wherein the light source controller controls the LED arrays to turn on such that the shapes of light source images, which are formed on an entrance surface of the integration device by five LEDs of the respective LED arrays, coincide with each other.