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:
Nov. 13, 2012

Filed:

Aug. 19, 2010
Applicants:

Sian Tatt Lee, Selangor, MY;

Muh Fong Chung, Penang, MY;

Choon Guan Ko, Penang, MY;

Fook Chuin NG, Penang, MY;

Inventors:

Sian Tatt Lee, Selangor, MY;

Muh Fong Chung, Penang, MY;

Choon Guan Ko, Penang, MY;

Fook Chuin Ng, Penang, MY;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A multi-segmented light guide for keypad and display apparatus has been disclosed. The light guide film may comprise a plurality of light segments configured to transmit light independently. The boundaries of the light segments may be defined by a plurality of micro-optic structures. The micro-optic structures may have a height at least half the thickness of the light guide.


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