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. 10, 2011
Filed:
Oct. 29, 2008
Yu-lun Ho, Taipei Hsien, TW;
Po-wen Chan, Taipei Hsien, TW;
Juin-hong Lin, Taipei Hsien, TW;
I-pen Chien, Taipei Hsien, TW;
Yu-Lun Ho, Taipei Hsien, TW;
Po-Wen Chan, Taipei Hsien, TW;
Juin-Hong Lin, Taipei Hsien, TW;
I-Pen Chien, Taipei Hsien, TW;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
A projector includes a light source assembly, a digital micro-mirror device, and a projection lens. The light source assembly includes a lamp and a color wheel positioned for receiving light generated by the lamp. The color wheel includes a motor having a contacting portion, a filter, a light-blocker, and a light-isolating sheet. The filter is mounted on the contacting portion of the motor and includes a first area and a second area. Light beams used for forming an image only pass through the first area. The light-blocker is disposed on the filter opposite to the motor. The light-isolating sheet is disposed on the first area and positioned between the filter and the motor and configured for isolating the light beams arrived on the second area.