Inventor · disambiguated record
Beom-Seon Ryu
Also filed as: RYU BEOM-SEON
11 granted patents·2 pending applications·24 citations·filing 2005–2017
84Inventor score
Top patents by PatentIndex Score
13 records- 0183US8643289B2PWM controlling circuit and LED driver circuit having the sameRYU BEOM-SEON·Filed 2012·Granted Feb 4, 2014·7 cites·16 claims
- 0281US8941327B2PWM controlling circuit and LED driver circuit having the sameRYU BEOM-SEON·Filed 2012·Granted Jan 27, 2015·6 cites·20 claims
- 0379US8497726B2Level shifterRYU BEOM-SEON·Filed 2012·Granted Jul 30, 2013·6 cites·9 claims
- 0469US9173260B2PWM signal generating circuit for DC-DC converter using dimming signal and LED driver circuit using the same in digital PWM method having fixed phase modeRYU BEOM-SEON·Filed 2011·Granted Oct 27, 2015·2 cites·20 claims
- 0563US9659667B2Circuit for reading one time programmable memoryMAGNACHIP SEMICONDUCTOR LTD·Filed 2016·Granted May 23, 2017·2 cites·20 claims
- 0662US8860320B2LED driver apparatusKANG TAE-KYOUNG·Filed 2012·Granted Oct 14, 2014·1 cites·18 claims
- 0751US9635746B2Detecting circuit for open of LED array and LED driver apparatus using the sameMAGNACHIP SEMICONDUCTOR LTD·Filed 2012·Granted Apr 25, 2017·0 cites·21 claims
- 0850US9596723B2PWM signal generating circuit for DC-DC converter using dimming signal and LED driving circuit having the same in direct digital dimming methodRYU BEOM-SEON·Filed 2011·Granted Mar 14, 2017·0 cites·21 claims
- 0949US9888552B2Detecting circuit for short of LED array and LED driving apparatus using the sameMAGNACHIP SEMICONDUCTOR LTD·Filed 2012·Granted Feb 6, 2018·0 cites·20 claims
- 1044US9521719B2Circuit for driving lighting apparatus and method thereofMAGNACHIP SEMICONDUCTOR LTD·Filed 2015·Granted Dec 13, 2016·0 cites·14 claims
- 1143US2006055644A1TDC panel driver and its driving method for reducing flickers on display panelRYU BEOM-SEON·Filed 2005·Application pending·0 cites
- 1239US2015109047A1Complementary metal-oxide-semiconductor (cmos) inverter circuit deviceMAGNACHIP SEMICONDUCTOR LTD·Filed 2014·Application pending·0 cites
- 1338US10243558B2Complementary metal-oxide-semiconductor (CMOS) inverter circuit deviceMAGNACHIP SEMICONDUCTOR LTD·Filed 2017·Granted Mar 26, 2019·0 cites·14 claims
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