Inventor
JANG JIN WOONG
KR16 patents
Patents
16 patentsUS11776462B2Oct 3, 2023
Pulse width modulation (PWM) control apparatus and method for improving dynamic false contour of display device
SAPIEN SEMICONDUCTORS INC2 citations72
US12183269B2Dec 31, 2024
Pulse width modulation (PWM) control apparatus and method for improving dynamic false contour of display device
SAPIEN SEMICONDUCTORS INC0 citations62
US12548518B2Feb 10, 2026
Pixel, display device reducing static power consumption and driving method thereof
SAPIEN SEMICONDUCTORS INC0 citations61
US12456402B2Oct 28, 2025
Pixel and display device
SAPIEN SEMICONDUCTORS INC0 citations61
US12175937B2Dec 24, 2024
Pixel, display device reducing static power consumption and driving method thereof
SAPIEN SEMICONDUCTORS INC0 citations61
US12080227B2Sep 3, 2024
Pixels and display apparatus comprising same
SAPIEN SEMICONDUCTORS INC0 citations61
US11817041B2Nov 14, 2023
Pixels and display apparatus comprising same
SAPIEN SEMICONDUCTORS INC0 citations61
US11783746B2Oct 10, 2023
Pixel having reduced number of contact points, and digital driving method
SAPIEN SEMICONDUCTORS INC0 citations61
US11335251B2May 17, 2022
LED driving apparatus having mitigated common impedance effect
SAPIEN SEMICONDUCTORS INC0 citations61
US11170705B2Nov 9, 2021
Minimulized pixel circuit
SAPIEN SEMICONDUCTORS INC1 citations61
US11138922B2Oct 5, 2021
LED driving apparatus having mitigated common impedance effect
SAPIEN SEMICONDUCTORS INC0 citations61
US12400583B2Aug 26, 2025
Display device controlling brightness using multiple PWM source signals
SAPIEN SEMICONDUCTORS INC0 citations58
US12230186B2Feb 18, 2025
Pixel driving circuit capable of operating in low-definition mode and high-definition mode using same pixel memory, and display device comprising same
SAPIEN SEMICONDUCTORS INC0 citations51
US11475814B2Oct 18, 2022
Brightness controllable display apparatus
SAPIEN SEMICONDUCTORS INC0 citations51
US12555520B2Feb 17, 2026
Selective display driving method and apparatus based on the characteristics of light-emitting diode
SAPIEN SEMICONDUCTORS INC0 citations48
US12525177B2Jan 13, 2026
Pixel driving circuit and display apparatus
SAPIEN SEMICONDUCTORS INC0 citations45