Inventor

CHO GYU-HYEONG

KR69 patents

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

CHO GYU-HYEONG

KOREA ADVANCED INST SCI & TECH

High-fidelity and high-efficiency analog amplifier combined with digital amplifier

Vacuum field transistor

Power-factor correction circuit of electronic ballast for fluorescent lamps

Driving method and circuit for automatic voltage output of active matrix organic light emitting device and data drive circuit using the same

Hybrid regulator

Flat field emitter displays

Pixel circuit and driving method for active matrix organic light-emitting diodes, and display using the same

Active matrix OLED driving circuit using current feedback

Driving apparatus for display

Class-D amplifier, audio processing apparatus and method of driving class-D amplifier

Simultaneous recovery commutation current source inverter for AC motors drives

Multi-path converter and control method therefor

Current feedback-type AMOLED where sense feedback is sent over the adjacent data line

Time division sampling digital to analog converter for driving flat panel display, method of implementing the same, and data driver circuit using the same

Multi-path converter and control method therefor

SAMSUNG ELECTRONICS CO LTD

Low dropout voltage (LDO) regulator including a dual loop circuit and an application processor and a user device including the same

Wireless electric power receiver for wirelessly regulating electric power using switch

Digital-to-analog conversion circuit and column driver including the same

Low dropout voltage (LDO) regulator including a dual loop circuit and an application processor and a user device including the same

Discharge lamp driving circuit and method of driving a discharge lamp

Wireless power receiver for adjusting magnitude of wireless power

Received power conversion device for resonant wireless charging system

Coordinate measurement device and method for hover sensing

Touch sensing device

Single-inductor multiple-output (SIMO) converter and control method of SIMO converter

Electronic circuit performing buck-boost conversion using single inductive element

Wireless electric power receiver for wirelessly regulating electric power using switch

Discharge lamp driving circuit

SAMSUNG DISPLAY CO LTD

Data driver and organic light emitting display device having the same

Display device and driving method thereof

Non-linear gamma compensation current mode digital-analog convertor and display device including the same

Organic light emitting display device configured to measure deterioration information, and driving method thereof

Display device and driving method thereof

Digital-to-analog converter and driving circuit of display device having the same

SK HYNIX INC

Digital low drop-out regulator and resistive memory device using the same

Driver for semiconductor memory and system including the same

Driver for a semiconductor memory and method thereof

Driver for semiconductor memory and method thereof

HAN SANG-WOOK

Apparatus and method for distinguishing energy bands of photons in multi-energy radiation

Image sensor and X-ray image sensing module including the same

Switching circuit, charge sense amplifier including switching circuit, and photon counting device including switching circuit

WESTINGHOUSE ELECTRIC CORP

Interlaced pulse-width modulated unrestricted frequency changer system

Control method and apparatus for a UFC for minimizing input current distortions

Fault-protection apparatus for static AC-to-AC converters and unrestricted frequency changer (UFC) system including such fault-protection apparatus

KIM HYOUNG-RAE

Digital-to-analog converter, source driving circuit and display device having the same

SUH NAM PYO

Ultra slim power supply device and power acquisition device for electric vehicle

CHO GYU-HYEONG

AMOLED drive circuit using transient current feedback and active matrix driving method using the same

KOREA ELECTRONICS TELECOMM

Active load circuit for low-voltage CMOS voltage gain amplifier with wide bandwidth and high gain characteristic

IKAIST CO LTD

Signal detecting system of multi wide capacitive touch-screen

KIM JI HUN

Digital-to-analog converter of data driver and converting method thereof