Inventor

GONG JUNG CHUL

KR42 patents

⚠️ This page may combine multiple inventors who share the name “GONG JUNG CHUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GONG JUNG CHUL

SAMSUNG ELECTRO MECH

Circuit and method for compensating for offset voltage

Inverter driving circuit for LCD backlight

Liquid crystal display backlight inverter

Apparatus for driving light emitting element

Touch sensing device and electronic device capable of identifying positions of multiple touches

Fan-out-semiconductor package module

Voltage comparator having hysteresis characteristics

Switched-mode power supply using variable bias current

Liquid crystal display backlight inverter

Voltage controlled oscillator with duty correction

Frequency-control-type piezo actuator driving circuit and method of driving the same

Driving apparatus for CCFL

Driving apparatus for CCFL

Antenna module

Touch operation sensing device using impedance change caused by touch operation

Antenna module

Variable-frequency oscillator

Photodiode integrated circuit having multiple gain states

Current to voltage conversion circuit for photo detector integrated circuit employing gain switching circuit

Touch sensing device and electronic apparatus having malfunction prevention function

Rotor apparatus and apparatus for detecting angular position of rotor

Liquid crystal display backlight inverter

Switching converter and AC adapter using the same

LCD backlight inverter

Phase detection apparatus

Driving circuit for LCD backlight

SAMSUNG ELECTRONICS CO LTD

Antenna module

Antenna module

Semiconductor package

Semiconductor package

Fan-out semiconductor package module

Fan-out semiconductor package module

GONG JUNG CHUL

Apparatus for driving multi-light emitting devices

Power supply device

Power supply device, control integrated circuit thereof, and method of controlling power supply device

SOLUM CO LTD

Circuit for driving synchronous rectifier and power supply apparatus including the same

Control device of synchronous rectifier and power supply

Power supplying apparatus

YANG JEONG MO

Relaxation oscillator

Power factor correction circuit for correcting power factor

SHIN SANG CHEOL

Apparatus for driving light emitting device

KONG SEUNG KON

Driver for a display having a frequency detection unit