Inventor
YEN CHIH-JEN
TW35 patents
⚠️ This page may combine multiple inventors who share the name “YEN CHIH-JEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NOVATEK MICROELECTRONICS CORP
28 patentsUS7486128B2Feb 3, 2009
Charge pump control circuit and control method thereof
NOVATEK MICROELECTRONICS CORP21 citations92
US7279957B2Oct 9, 2007
Charge pump for generating arbitrary voltage levels
NOVATEK MICROELECTRONICS CORP50 citations92
US7282985B2Oct 16, 2007
Charge pump with at least two outputs
NOVATEK MICROELECTRONICS CORP37 citations91
US8040180B2Oct 18, 2011
Operational amplifier capable of compensating offset voltage
NOVATEK MICROELECTRONICS CORP8 citations84
US7541786B2Jun 2, 2009
Voltage regulator
NOVATEK MICROELECTRONICS CORP8 citations84
US7511560B2Mar 31, 2009
Charge pump circuit
NOVATEK MICROELECTRONICS CORP14 citations84
US7508184B2Mar 24, 2009
Current source apparatus for reducing interference with noise
NOVATEK MICROELECTRONICS CORP9 citations84
US7221304B2May 22, 2007
Apparatus for driving display panel and digital-to-analog converter thereof
NOVATEK MICROELECTRONICS CORP10 citations84
US7538605B2May 26, 2009
Amplifier device capable of reducing offset voltage
NOVATEK MICROELECTRONICS CORP7 citations74
US7233272B1Jun 19, 2007
Digital data driver and display device using the same
NOVATEK MICROELECTRONICS CORP8 citations74
US7417415B2Aug 26, 2008
Voltage-controlled current source
NOVATEK MICROELECTRONICS CORP8 citations71
US7750881B2Jul 6, 2010
Voltage conversion device having non-linear gain
NOVATEK MICROELECTRONICS CORP3 citations63
US7688131B2Mar 30, 2010
Charge pump circuit
NOVATEK MICROELECTRONICS CORP7 citations63
US7518415B2Apr 14, 2009
Voltage buffer and source driver thereof
NOVATEK MICROELECTRONICS CORP6 citations63
US7459943B2Dec 2, 2008
High accuracy sample and hold circuit having a common negative input terminal
NOVATEK MICROELECTRONICS CORP3 citations63
US7388532B2Jun 17, 2008
Overdrive digital-to-analog converter, source driver and method thereof
NOVATEK MICROELECTRONICS CORP5 citations63
US7365666B1Apr 29, 2008
Voltage conversion device having non-linear gain and changeable gain polarity
NOVATEK MICROELECTRONICS CORP2 citations63
US8013540B2Sep 6, 2011
Light adjusting device for a light emitting diode and related light adjusting method and light emitting device
NOVATEK MICROELECTRONICS CORP3 citations61
US7541846B2Jun 2, 2009
Sample-and-hold apparatus and operating method thereof
NOVATEK MICROELECTRONICS CORP2 citations61
US7403046B2Jul 22, 2008
Sample-and-hold circuits
NOVATEK MICROELECTRONICS CORP3 citations61
US7271625B2Sep 18, 2007
Sample-and-hold device having input stages of amplifier coupled to capacitors
NOVATEK MICROELECTRONICS CORP2 citations61
US7605663B2Oct 20, 2009
Method and apparatus for stabilizing output frequency of PLL (phase lock loop) and phase lock loop thereof
NOVATEK MICROELECTRONICS CORP2 citations60
US7479833B2Jan 20, 2009
Dynamic biasing amplifier apparatus, dynamic biasing apparatus and method
NOVATEK MICROELECTRONICS CORP2 citations56
US7598801B2Oct 6, 2009
Voltage regulator, voltage regulating method thereof and voltage generator using the same
NOVATEK MICROELECTRONICS CORP1 citations52
US9013392B2Apr 21, 2015
Gamma-voltage generator
NOVATEK MICROELECTRONICS CORP0 citations51
US8350544B2Jan 8, 2013
Voltage conversion device capable of enhancing conversion efficiency
NOVATEK MICROELECTRONICS CORP0 citations50
US7330380B2Feb 12, 2008
Digital-to-analog conversion device
NOVATEK MICROELECTRONICS CORP0 citations42
US7355487B2Apr 8, 2008
Method for reducing phase lock time and jittering and phase lock loop using the same
NOVATEK MICROELECTRONICS CORP0 citations39