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:
Jan. 26, 2016

Filed:

Nov. 02, 2012
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Jinuk Park, Seoul, KR;

Hyunho Lee, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/02 (2006.01); G06F 1/16 (2006.01); H04M 1/23 (2006.01); H04M 1/22 (2006.01);
U.S. Cl.
CPC ...
G06F 1/1626 (2013.01); G06F 1/1662 (2013.01); G06F 3/0202 (2013.01); H04M 1/23 (2013.01); H04M 1/22 (2013.01); H04M 2250/22 (2013.01); H04M 2250/52 (2013.01);
Abstract

A mobile terminal including a case; a touch key mounted in a predetermined portion of the case and configured to generate touch type input data; a light source arranged on a back side of the touch key and configured to emit light; and a light diffusion unit configured to diffuse the light emitted from the light source and provide a backlight to the touch key. Further, the light diffusion unit includes a light guide part configured to guide the light emitted by the light source; an air gap arranged on the light guide part and configured to diffuse the light provided from the light guide part; and a diffuser arranged on the air gap and configured to diffuse the light provided from the air gap towards the touch key.


Find Patent Forward Citations

Loading…