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:
Mar. 13, 2012

Filed:

Jan. 14, 2010
Applicants:

Yong-chan Keh, Seongnam-si, KR;

Jin-wook Kwon, Suwon-si, KR;

Inventors:

Yong-Chan Keh, Seongnam-si, KR;

Jin-Wook Kwon, Suwon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A light source driving apparatus for sequentially driving a plurality or light sources is provided. The light source driving apparatus includes a light source power supply for supplying a power source necessary for driving the plurality of light sources, a light source controller for generating a control signal to sequentially turn on and off the plurality of light sources, a soft starter connected between the light source power supply and the light sources, for delaying the power source generated from the light source power supply for a first determined time and supplying the delayed power source to the light sources, and a control signal delayer connected between the light source controller and the light sources, for delaying an ON signal of the control signal generated from the light source controller for a second predetermined time and supplying the delayed signal to the light sources.


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