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.:

US 8277061 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 02, 2012

Filed:

Mar. 31, 2010
Applicants:

Mu-wen Yang, Taipei, TW;

Chih-chiang Chang, Taipei, TW;

Inventors:

Mu-Wen Yang, Taipei, TW;

Chih-Chiang Chang, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 11/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A light guiding mechanism for portable electronic device includes a cover, a light guiding module and four light sources. The cover includes a light transmitting region. The light guiding module includes a light guide plate having a first diagonal line and a second diagonal line. The light guide plate defines a first through hole. The light guide plate includes a light reflecting region around the first through hole. The light reflecting region includes a plurality of protrusions symmetrically positioned relative to the first diagonal line and the second diagonal line. Adjacent protrusions have a space therebetween. The size of the space uniformly increases with increasing distance from the first through hole. Light emitted from the light sources is repeatedly reflected by the protrusions and then passes the light transmitting region of the cover.


Find Patent Forward Citations

Yang, Mu-Wen. (2012). Light guiding mechanism for portable electronic device (U.S. Patent No. 8277061). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8277061

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…