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.:
Date of Patent:
Feb. 16, 2010
Filed:
Mar. 07, 2008
Jin Wook Kim, Seoul, KR;
Dong Seong OH, Inchun, KR;
Jong Duck Kim, Daejeon, KR;
Sug Chin Sakong, Seoul, KR;
Sung Soo Hong, Seoul, KR;
Sang Kyoo Han, Daejeon, KR;
Chung Wook Roh, Daejeon, KR;
Dea Min Jang, Gyunggi-Do, KR;
Sung Ho Kim, Gyunggi-Do, KR;
Jin Woo Cho, Gyunggi-Do, KR;
Kwang Seung Cho, Gyunggi-Do, KR;
Jin Wook Kim, Seoul, KR;
Dong Seong Oh, Inchun, KR;
Jong Duck Kim, Daejeon, KR;
Sug Chin Sakong, Seoul, KR;
Sung Soo Hong, Seoul, KR;
Sang Kyoo Han, Daejeon, KR;
Chung Wook Roh, Daejeon, KR;
Dea Min Jang, Gyunggi-Do, KR;
Sung Ho Kim, Gyunggi-Do, KR;
Jin Woo Cho, Gyunggi-Do, KR;
Kwang Seung Cho, Gyunggi-Do, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon, Gyunggi-Do, KR;
Abstract
There is provided a backlight driving system for a liquid crystal display that can reduce size and weight of a product because a DC-DC converter is not used when commercial AC power is converted into lamp driving power. A backlight driving system for a liquid crystal display according to an aspect of the invention includes a power supply unit converting commercial alternating current (AC) power into direct current (DC) power having a voltage level set beforehand, an inverter unit converting the DC power from the power supply unit into AC power at a one-to-one conversion ratio set beforehand, a boosting unit boosting the AC power from the inverter unit into lamp lighting power set beforehand; and a lamp group receiving the lamp lighting power from the boosting unit to emit light.