Light source driving apparatus and light source apparatus having the same

A light source driving apparatus includes; a boosting part which boosts an input voltage received from an input part and generates a driving voltage, a boosting transistor which controls an operation of the boosting part, a rectification part connected between the boosting part and an output part an...

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Main Authors Byun, Sang-Chul, Kim, Gi-Cherl, Yang, Byung-Choon, Ye, Byoung-Dae
Format Patent
LanguageEnglish
Published 12.06.2012
Online AccessGet full text

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Abstract A light source driving apparatus includes; a boosting part which boosts an input voltage received from an input part and generates a driving voltage, a boosting transistor which controls an operation of the boosting part, a rectification part connected between the boosting part and an output part and which transmits the driving voltage to the output part, an integrated circuit which generates a gate signal which controls the boosting transistor, and a protection circuit which generates a protection signal which controls a voltage level of the gate signal according to an output current of the boosting transistor.
AbstractList A light source driving apparatus includes; a boosting part which boosts an input voltage received from an input part and generates a driving voltage, a boosting transistor which controls an operation of the boosting part, a rectification part connected between the boosting part and an output part and which transmits the driving voltage to the output part, an integrated circuit which generates a gate signal which controls the boosting transistor, and a protection circuit which generates a protection signal which controls a voltage level of the gate signal according to an output current of the boosting transistor.
Author Ye, Byoung-Dae
Byun, Sang-Chul
Kim, Gi-Cherl
Yang, Byung-Choon
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References Leng (7855520) 20101200
(1020080083935) 20080900
Hoogzaad et al. (2010/0052569) 20100300
(1020080096279) 20081000
(1020080013152) 20080200
(1020060018042) 20060200
(WO 2008068682) 20080600
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Snippet A light source driving apparatus includes; a boosting part which boosts an input voltage received from an input part and generates a driving voltage, a...
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Title Light source driving apparatus and light source apparatus having the same
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