Yong-Chul Ryu

Person

Gyeonggi-do, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Light emitting diode with high efficiency
- Patent number 12,199,214
- Issue date Jan 14, 2025
- SEOUL VIOSYS CO., LTD.
- Keum Ju Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode and display apparatus having the same
- Patent number 12,159,861
- Issue date Dec 3, 2024
- SEOUL VIOSYS CO., LTD.
- Seong Kyu Jang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device for display and display apparatus having the...
- Patent number 12,046,587
- Issue date Jul 23, 2024
- SEOUL VIOSYS CO., LTD.
- Seom Geun Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device and display apparatus having the same
- Patent number 12,040,344
- Issue date Jul 16, 2024
- SEOUL VIOSYS CO., LTD.
- Seong Kyu Jang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device and display apparatus having the same
- Patent number 12,002,912
- Issue date Jun 4, 2024
- SEOUL VIOSYS CO., LTD.
- Seom Geun Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device for display and display apparatus having the...
- Patent number 11,961,873
- Issue date Apr 16, 2024
- SEOUL VIOSYS CO., LTD.
- Seom Geun Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device for display and display apparatus having the...
- Patent number 11,756,940
- Issue date Sep 12, 2023
- SEOUL VIOSYS CO., LTD.
- Seom Geun Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of repairing light emitting device and display panel having...
- Patent number 11,749,652
- Issue date Sep 5, 2023
- SEOUL VIOSYS CO., LTD.
- Jong Hyeon Chae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of repairing light emitting device and display panel having...
- Patent number 11,508,704
- Issue date Nov 22, 2022
- SEOUL VIOSYS CO., LTD.
- Jong Hyeon Chae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device for display and display apparatus having the...
- Patent number 11,437,353
- Issue date Sep 6, 2022
- SEOUL VIOSYS CO., LTD.
- Seom Geun Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode with high efficiency
- Patent number 11,239,387
- Issue date Feb 1, 2022
- SEOUL VIOSYS CO., LTD.
- Keum Ju Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode having distributed Bragg reflector
- Patent number 10,734,554
- Issue date Aug 4, 2020
- SEOUL VIOSYS CO., LTD.
- Min Chan Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode
- Patent number 10,559,715
- Issue date Feb 11, 2020
- SEOUL VIOSYS CO., LTD.
- Mae Yi Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode
- Patent number 10,193,017
- Issue date Jan 29, 2019
- SEOUL VIOSYS CO., LTD.
- Mae Yi Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode with high efficiency
- Patent number 10,181,548
- Issue date Jan 15, 2019
- SEOUL VIOSYS CO., LTD.
- Keum Ju Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode having improved current spreading efficiency,...
- Patent number 10,172,190
- Issue date Jan 1, 2019
- SEOUL VIOSYS CO., LTD.
- Mae Yi Kim
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light emitting diode
- Patent number 9,905,729
- Issue date Feb 27, 2018
- SEOUL VIOSYS CO., LTD.
- Mae Yi Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching mode power supply
- Patent number 7,548,437
- Issue date Jun 16, 2009
- Fairchild Korea Semiconductor, Ltd.
- Jin-Ho Choi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTING DIODE AND DISPLAY APPARATUS HAVING THE SAME
- Publication number 20250062295
- Publication date Feb 20, 2025
- Seoul Viosys Co., Ltd.
- Seong Kyu JANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE...
- Publication number 20240363600
- Publication date Oct 31, 2024
- Seoul Viosys Co., Ltd.
- Seom Geun LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND DISPLAY APPARATUS HAVING THE SAME
- Publication number 20240355867
- Publication date Oct 24, 2024
- Seoul Viosys Co., Ltd.
- Seong Kyu JANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND DISPLAY APPARATUS HAVING THE SAME
- Publication number 20240313182
- Publication date Sep 19, 2024
- Seoul Viosys Co., Ltd.
- Seom Geun LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE...
- Publication number 20240282803
- Publication date Aug 22, 2024
- Seoul Viosys Co., Ltd.
- Seom Geun LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF REPAIRING LIGHT EMITTING DEVICE AND DISPLAY PANEL HAVING...
- Publication number 20230387085
- Publication date Nov 30, 2023
- Seoul Viosys Co., Ltd.
- Jong Hyeon Chae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE...
- Publication number 20230369301
- Publication date Nov 16, 2023
- Seoul Viosys Co., Ltd.
- Seom Geun LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND LIGHT EMITTING MODULE HAVING THE SAME
- Publication number 20230352619
- Publication date Nov 2, 2023
- Seoul Viosys Co., Ltd.
- Yong Woo Ryu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF REPAIRING LIGHT EMITTING DEVICE AND DISPLAY PANEL HAVING...
- Publication number 20230081487
- Publication date Mar 16, 2023
- Seoul Viosys Co., Ltd.
- Jong Hyeon Chae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE...
- Publication number 20230005892
- Publication date Jan 5, 2023
- SEOUL VIOSYS CO., LTD.
- Seom Geun LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE AND DISPLAY APPARATUS HAVING THE SAME
- Publication number 20220336428
- Publication date Oct 20, 2022
- Seoul Viosys Co, Ltd.
- Seong Kyu JANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE WITH HIGH EFFICIENCY
- Publication number 20220165914
- Publication date May 26, 2022
- Seoul Viosys Co., Ltd.
- Keum Ju LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND DISPLAY APPARATUS HAVING THE SAME
- Publication number 20220037570
- Publication date Feb 3, 2022
- Seoul Viosys Co., Ltd.
- Seom Geun LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND DISPLAY APPARATUS HAVING THE SAME
- Publication number 20210375980
- Publication date Dec 2, 2021
- Seoul Viosys Co., Ltd.
- Seong Kyu JANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE...
- Publication number 20210351229
- Publication date Nov 11, 2021
- Seoul Viosys Co., Ltd.
- Seom Geun LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF REPAIRING LIGHT EMITTING DEVICE AND DISPLAY PANEL HAVING...
- Publication number 20210183828
- Publication date Jun 17, 2021
- Seoul Viosys Co., Ltd.
- Jong Hyeon Chae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE...
- Publication number 20210151421
- Publication date May 20, 2021
- Seoul Viosys Co., Ltd.
- Seom Geun LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE HAVING DISTRIBUTED BRAGG REFLECTOR
- Publication number 20200212263
- Publication date Jul 2, 2020
- Seoul Viosys Co., Ltd.
- Min Chan HEO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE
- Publication number 20190157506
- Publication date May 23, 2019
- Seoul Viosys Co., Ltd.
- Mae Yi Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE WITH HIGH EFFICIENCY
- Publication number 20190148588
- Publication date May 16, 2019
- Seoul Viosys Co., Ltd.
- Keum Ju LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE
- Publication number 20180190864
- Publication date Jul 5, 2018
- Seoul Viosys Co., Ltd.
- Mae Yi Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE
- Publication number 20180153007
- Publication date May 31, 2018
- Seoul Viosys Co., Ltd.
- Mae Yi KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE WITH HIGH EFFICIENCY
- Publication number 20170301826
- Publication date Oct 19, 2017
- Seoul Viosys Co., Ltd.
- Keum Ju LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE
- Publication number 20170069789
- Publication date Mar 9, 2017
- Seoul Viosys Co., Ltd.
- Mae Yi Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Switching mode power supply
- Publication number 20050270808
- Publication date Dec 8, 2005
- Jin-Ho Choi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Yong-Chul Ryu

Person

Patents Grantslast 30 patents

Light emitting diode with high efficiency

Light emitting diode and display apparatus having the same

Light emitting device for display and display apparatus having the...

Light emitting device and display apparatus having the same

Light emitting device and display apparatus having the same

Light emitting device for display and display apparatus having the...

Light emitting device for display and display apparatus having the...

Method of repairing light emitting device and display panel having...

Method of repairing light emitting device and display panel having...

Light emitting device for display and display apparatus having the...

Light emitting diode with high efficiency

Light emitting diode having distributed Bragg reflector

Light emitting diode

Light emitting diode

Light emitting diode with high efficiency

Light emitting diode having improved current spreading efficiency,...

Light emitting diode

Switching mode power supply

Patents Applicationslast 30 patents

LIGHT EMITTING DIODE AND DISPLAY APPARATUS HAVING THE SAME

LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE...

LIGHT EMITTING DEVICE AND DISPLAY APPARATUS HAVING THE SAME

LIGHT EMITTING DEVICE AND DISPLAY APPARATUS HAVING THE SAME

LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE...

METHOD OF REPAIRING LIGHT EMITTING DEVICE AND DISPLAY PANEL HAVING...

LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE...

LIGHT EMITTING DEVICE AND LIGHT EMITTING MODULE HAVING THE SAME

METHOD OF REPAIRING LIGHT EMITTING DEVICE AND DISPLAY PANEL HAVING...

LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE...

LIGHT EMITTING DIODE AND DISPLAY APPARATUS HAVING THE SAME

LIGHT EMITTING DIODE WITH HIGH EFFICIENCY

LIGHT EMITTING DEVICE AND DISPLAY APPARATUS HAVING THE SAME

LIGHT EMITTING DEVICE AND DISPLAY APPARATUS HAVING THE SAME

LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE...

METHOD OF REPAIRING LIGHT EMITTING DEVICE AND DISPLAY PANEL HAVING...

LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE...

LIGHT EMITTING DIODE HAVING DISTRIBUTED BRAGG REFLECTOR

LIGHT EMITTING DIODE

LIGHT EMITTING DIODE WITH HIGH EFFICIENCY

LIGHT EMITTING DIODE

LIGHT EMITTING DIODE

LIGHT EMITTING DIODE WITH HIGH EFFICIENCY

LIGHT EMITTING DIODE

Switching mode power supply