Inventor

CHOI HYUNSEOK

KR46 patents

Patents

46 patents

US11211955B2Dec 28, 2021

Voltage protection circuit to prevent power amplifier burnout, and electronic device having the same

SAMSUNG ELECTRONICS CO LTD2 citations73

US9766384B2Sep 19, 2017

Method and apparatus for supplying voltage to amplifier using multiple linear regulators

SAMSUNG ELECTRONICS CO LTD0 citations62

US11943001B2Mar 26, 2024

Electronic device and wireless communication system thereof

SAMSUNG ELECTRONICS CO LTD0 citations62

US11843398B2Dec 12, 2023

Voltage protection circuit to prevent power amplifier burnout, and electronic device having the same

SAMSUNG ELECTRONICS CO LTD1 citations62

US11702509B2Jul 18, 2023

Monomer, polymer, compensation film, optical film, and display device

SAMSUNG ELECTRONICS CO LTD0 citations62

US11600914B2Mar 7, 2023

Method and apparatus for supplying voltage to amplifier using multiple linear regulators

SAMSUNG ELECTRONICS CO LTD0 citations62

US11502760B2Nov 15, 2022

Electronic device and wireless communication system thereof

SAMSUNG ELECTRONICS CO LTD1 citations62

US11456797B2Sep 27, 2022

Electronic device and method for transmitting or receiving signals of plurality of frequency bands

SAMSUNG ELECTRONICS CO LTD0 citations62

US11223332B2Jan 11, 2022

Electronic device for tuning module for processing radio frequency signal

SAMSUNG ELECTRONICS CO LTD1 citations62

US10509149B2Dec 17, 2019

Organic light emitting diode device

SAMSUNG ELECTRONICS CO LTD1 citations62

US12581598B2Mar 17, 2026

Electronic device comprising printed circuit board

SAMSUNG ELECTRONICS CO LTD0 citations61

US12074572B2Aug 27, 2024

Protection circuit in electronic device and method therefor

SAMSUNG ELECTRONICS CO LTD0 citations60

US12034467B2Jul 9, 2024

Communication circuitry performing communication using a plurality of frequency bands and electronic device comprising the communication circuitry

SAMSUNG ELECTRONICS CO LTD1 citations60

US11621677B2Apr 4, 2023

Apparatus for preventing component burnout in electric device and method thereof

SAMSUNG ELECTRONICS CO LTD0 citations60

US11558128B2Jan 17, 2023

Electronic device for controlling communication circuit on basis of signal received from antenna

SAMSUNG ELECTRONICS CO LTD1 citations60

US12549205B2Feb 10, 2026

Communication circuit for amplifying signal by using multiple amplifiers, and electronic device including same

SAMSUNG ELECTRONICS CO LTD0 citations52

US12542569B2Feb 3, 2026

Dual connection circuit and electronic device including same

SAMSUNG ELECTRONICS CO LTD0 citations52

US10018761B2Jul 10, 2018

Compensation film and method of manufacturing the same

SAMSUNG ELECTRONICS CO LTD0 citations52

US12506448B2Dec 23, 2025

Electronic device comprising amplifier circuit for processing wideband RF signal

SAMSUNG ELECTRONICS CO LTD0 citations51

US12037304B2Jul 16, 2024

Monomer and polymer, compensation film, optical film, and display device

SAMSUNG ELECTRONICS CO LTD0 citations51

US11518734B2Dec 6, 2022

Monomer and polymer, compensation film, optical film, and display device

SAMSUNG ELECTRONICS CO LTD0 citations51

US11306182B2Apr 19, 2022

Oligomer, composition including oligomer, article prepared from the composition, method for preparing article, and display device including the article

SAMSUNG ELECTRONICS CO LTD0 citations51

US11261297B2Mar 1, 2022

Polymer, film including the polymer, and display device including the film

SAMSUNG ELECTRONICS CO LTD0 citations51

US10808080B2Oct 20, 2020

Monomer, polymer, compensation film, optical film, and display device

SAMSUNG ELECTRONICS CO LTD0 citations51

US10656462B2May 19, 2020

Liquid crystal display

SAMSUNG ELECTRONICS CO LTD0 citations51

US10017456B2Jul 10, 2018

Monomer and polymer and compensation film and optical film and display device

SAMSUNG ELECTRONICS CO LTD0 citations51

US10000604B2Jun 19, 2018

Polymer and compensation film and optical film and display device

SAMSUNG ELECTRONICS CO LTD0 citations51

US9874657B2Jan 23, 2018

Compensation film and optical film and display device

SAMSUNG ELECTRONICS CO LTD1 citations51

US10978020B2Apr 13, 2021

Display apparatus and method of operating the same

SAMSUNG ELECTRONICS CO LTD0 citations50

US10934394B2Mar 2, 2021

Composition comprising polymer and inorganic particles, polyimide-inorganic particles composite, article including the composite, and optical device including the article

SAMSUNG ELECTRONICS CO LTD0 citations50

US11385705B2Jul 12, 2022

Display apparatus and operating method thereof

SAMSUNG ELECTRONICS CO LTD0 citations49

US11183972B2Nov 23, 2021

Method for adjusting output of amplifier by using sensing circuit configured to sense power supplied to amplifier and electronic device therefor

SAMSUNG ELECTRONICS CO LTD0 citations49

US11456202B2Sep 27, 2022

Stage structure for semiconductor fabrication process, system of picking up semiconductor chip, and method of controlling tilting angle of pickup head

SAMSUNG ELECTRONICS CO LTD0 citations47

US12424984B2Sep 23, 2025

Power amplification circuit including protection circuit and electronic device including power amplification circuit

SAMSUNG ELECTRONICS CO LTD0 citations43

US10216041B2Feb 26, 2019

Optical film, manufacturing method thereof and display device

SAMSUNG ELECTRONICS CO LTD0 citations42

US10180519B2Jan 15, 2019

Organic light emitting diode device

SAMSUNG ELECTRONICS CO LTD0 citations42

US10538666B2Jan 21, 2020

Compound, polymer, film, and optical device

SAMSUNG ELECTRONICS CO LTD0 citations41

US10175404B2Jan 8, 2019

Compensation film and display device including the same

SAMSUNG ELECTRONICS CO LTD0 citations41

US10071949B2Sep 11, 2018

Polymerizable liquid crystal compound, composition for optical film, and optical film, compensation film, antireflective film, and display device including the same

SAMSUNG ELECTRONICS CO LTD0 citations41

US10053424B2Aug 21, 2018

Monomer and polymer and compensation film and optical film and display device

SAMSUNG ELECTRONICS CO LTD0 citations41

US10725217B2Jul 28, 2020

Compensation film and antireflective film and display device

SAMSUNG ELECTRONICS CO LTD0 citations40

US10386672B2Aug 20, 2019

Liquid crystal display

SAMSUNG ELECTRONICS CO LTD0 citations40

CHOI HYUNSEOK

Patents

Voltage protection circuit to prevent power amplifier burnout, and electronic device having the same

Antireflection film and organic light emitting device provided with the same

Polymer composition and polymer composite and optical film

Phase difference film and display device

Electronic device including antenna modules and operation method thereof

Method and apparatus for supplying voltage to amplifier using multiple linear regulators

Electronic device and wireless communication system thereof

Voltage protection circuit to prevent power amplifier burnout, and electronic device having the same

Monomer, polymer, compensation film, optical film, and display device

Method and apparatus for supplying voltage to amplifier using multiple linear regulators

Electronic device and wireless communication system thereof

Electronic device and method for transmitting or receiving signals of plurality of frequency bands

Electronic device for tuning module for processing radio frequency signal

Organic light emitting diode device

Electronic device comprising printed circuit board

Protection circuit in electronic device and method therefor

Communication circuitry performing communication using a plurality of frequency bands and electronic device comprising the communication circuitry

Apparatus for preventing component burnout in electric device and method thereof

Electronic device for controlling communication circuit on basis of signal received from antenna

Communication circuit for amplifying signal by using multiple amplifiers, and electronic device including same

Dual connection circuit and electronic device including same

Compensation film and method of manufacturing the same

Electronic device comprising amplifier circuit for processing wideband RF signal

Monomer and polymer, compensation film, optical film, and display device

Monomer and polymer, compensation film, optical film, and display device

Oligomer, composition including oligomer, article prepared from the composition, method for preparing article, and display device including the article

Polymer, film including the polymer, and display device including the film

Monomer, polymer, compensation film, optical film, and display device

Liquid crystal display

Monomer and polymer and compensation film and optical film and display device

Polymer and compensation film and optical film and display device

Compensation film and optical film and display device

Display apparatus and method of operating the same

Composition comprising polymer and inorganic particles, polyimide-inorganic particles composite, article including the composite, and optical device including the article

Display apparatus and operating method thereof

Method for adjusting output of amplifier by using sensing circuit configured to sense power supplied to amplifier and electronic device therefor

Stage structure for semiconductor fabrication process, system of picking up semiconductor chip, and method of controlling tilting angle of pickup head

Power amplification circuit including protection circuit and electronic device including power amplification circuit

Optical film, manufacturing method thereof and display device

Organic light emitting diode device

Compound, polymer, film, and optical device

Compensation film and display device including the same

Polymerizable liquid crystal compound, composition for optical film, and optical film, compensation film, antireflective film, and display device including the same

Monomer and polymer and compensation film and optical film and display device

Compensation film and antireflective film and display device

Liquid crystal display