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 8224391 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 17, 2012

Filed:

Feb. 25, 2010
Applicants:

Sang Joon Kim, Seoul, KR;

Byung Hyun Lee, Seoul, KR;

Inventors:

Sang Joon Kim, Seoul, KR;

Byung Hyun Lee, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 (2006.01); H04M 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A mobile terminal having a display unit provided with an LED backlight and controlling method thereof are disclosed. The present invention includes a housing, a display unit including a liquid crystal display provided to one side of the housing and a backlight unit including a plurality of light emitting diodes for a backlight provided to a backside of the liquid crystal display and a control unit controlling the backlight unit to selectively adjust brightness of the light emitting diodes in part. Accordingly, a mobile terminal according to at least one of embodiments of the present invention controls light emission of an LED backlight locally, thereby providing more various display visual effects. And, a mobile terminal according to one embodiment of the present invention is able to use at least one portion of the light emitted from an LED BLU of a display unit as an illumination of a main body without using a separate light source for external illumination. Moreover, the illumination of the main body is able to play a role as a transmitter in a visible light communication.


Find Patent Forward Citations

Kim, Sang. (2012). Mobile terminal having an led backlight unit (U.S. Patent No. 8224391). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8224391

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