Joo Won Choi

Person

Ansan-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Method for separating epitaxial layers from growth substrates, and...
- Patent number 9,882,085
- Issue date Jan 30, 2018
- SEOUL VIOSYS CO., LTD.
- Jeong Hun Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of fabricating the same
- Patent number 9,537,045
- Issue date Jan 3, 2017
- SEOUL VIOSYS CO., LTD.
- Jeong Hun Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Substrate recycling method
- Patent number 9,514,926
- Issue date Dec 6, 2016
- SEOUL VIOSYS CO., LTD.
- Su Youn Hong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode having well and/or barrier layers with superla...
- Patent number 9,466,761
- Issue date Oct 11, 2016
- SEOUL VIOSYS CO., LTD.
- Joo Won Choi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for separating growth substrate, method for light-emitting d...
- Patent number 9,450,141
- Issue date Sep 20, 2016
- SEOUL VIOSYS CO., LTD.
- Jeong Hun Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Substrate recycling method and recycled substrate
- Patent number 9,373,496
- Issue date Jun 21, 2016
- SEOUL VIOSYS CO., LTD.
- Joo Won Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for separating epitaxial layers from growth substrates, and...
- Patent number 9,263,255
- Issue date Feb 16, 2016
- SEOUL VIOSYS CO., LTD.
- Jeong Hun Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode having photonic crystal structure and method o...
- Patent number 9,224,917
- Issue date Dec 29, 2015
- SEOUL VIOSYS CO., LTD.
- Won Cheol Seo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of fabricating the same
- Patent number 9,111,840
- Issue date Aug 18, 2015
- SEOUL VIOSYS CO., LTD.
- Jeong Hun Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Substrate recycling method
- Patent number 9,048,086
- Issue date Jun 2, 2015
- SEOUL VIOSYS CO., LTD.
- Su Youn Hong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode having strain-enhanced well layer
- Patent number 9,041,032
- Issue date May 26, 2015
- SEOUL VIOSYS CO., LTD.
- Joo Won Choi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of forming nitride semiconductor layer on patterned substrat...
- Patent number 7,638,414
- Issue date Dec 29, 2009
- Seoul Opto Device Co., Ltd.
- Joo Won Choi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTING DIODE HAVING WELL AND/OR BARRIER LAYERS WITH SUPERLA...
- Publication number 20160380149
- Publication date Dec 29, 2016
- Seoul Viosys Co., Ltd.
- Joo Won CHOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR SEPARATING EPITAXIAL LAYERS FROM GROWTH SUBSTRATES, AND...
- Publication number 20160172539
- Publication date Jun 16, 2016
- Seoul Viosys Co., Ltd.
- Jeong Hun Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUBSTRATE RECYCLING METHOD
- Publication number 20150380236
- Publication date Dec 31, 2015
- Seoul Viosys Co., Ltd.
- Su Youn Hong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR SEPARATING GROWTH SUBSTRATE, METHOD FOR MANUFACTURING LI...
- Publication number 20150318436
- Publication date Nov 5, 2015
- Seoul Viosys Co., Ltd.
- Jeong Hun Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME
- Publication number 20150311384
- Publication date Oct 29, 2015
- Seoul Viosys Co., Ltd.
- Jeong Hun HEO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR SEPARATING EPITAXIAL LAYERS AND GROWTH SUBSTRATES, AND S...
- Publication number 20150069418
- Publication date Mar 12, 2015
- Seoul Viosys Co., Ltd.
- Jeong Hun Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUBSTRATE RECYCLING METHOD
- Publication number 20140322899
- Publication date Oct 30, 2014
- Seoul Viosys Co., Ltd.
- Su Youn Hong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUBSTRATE RECYCLING METHOD AND RECYCLED SUBSTRATE
- Publication number 20140138702
- Publication date May 22, 2014
- Seoul Viosys Co., Ltd.
- Joo Won CHOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME
- Publication number 20140131729
- Publication date May 15, 2014
- Seoul Viosys Co., Ltd.
- Jeong Hun HEO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE HAVING PHOTONIC CRYSTAL STRUCTURE AND METHOD O...
- Publication number 20130320301
- Publication date Dec 5, 2013
- SEOUL OPTO DEVICE CO., LTD.
- Won Cheol Seo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE HAVING STRAIN-ENHANCED WELL LAYER
- Publication number 20130134386
- Publication date May 30, 2013
- SEOUL OPTO DEVICE CO., LTD.
- Joo Won CHOI
- B82 - NANO-TECHNOLOGY
Information Patent Application
NON-POLAR LIGHT EMITTING DIODE HAVING PHOTONIC CRYSTAL STRUCTURE AN...
- Publication number 20130026531
- Publication date Jan 31, 2013
- SEOUL OPTO DEVICE CO., LTD.
- Won Cheol Seo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE HAVING WELL AND/OR BARRIER LAYERS WITH SUPERLA...
- Publication number 20080237570
- Publication date Oct 2, 2008
- SEOUL OPTO DEVICE CO., LTD.
- Joo Won CHOI
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD OF FORMING NITRIDE SEMICONDUCTOR LAYER ON PATTERNED SUBSTRAT...
- Publication number 20080217647
- Publication date Sep 11, 2008
- SEOUL OPTO DEVICE CO., LTD.
- Joo Won Choi
- H01 - BASIC ELECTRIC ELEMENTS

Joo Won Choi

Person

Patents Grantslast 30 patents

Method for separating epitaxial layers from growth substrates, and...

Semiconductor device and method of fabricating the same

Substrate recycling method

Light emitting diode having well and/or barrier layers with superla...

Method for separating growth substrate, method for light-emitting d...

Substrate recycling method and recycled substrate

Method for separating epitaxial layers from growth substrates, and...

Light emitting diode having photonic crystal structure and method o...

Semiconductor device and method of fabricating the same

Substrate recycling method

Light emitting diode having strain-enhanced well layer

Method of forming nitride semiconductor layer on patterned substrat...

Patents Applicationslast 30 patents

LIGHT EMITTING DIODE HAVING WELL AND/OR BARRIER LAYERS WITH SUPERLA...

METHOD FOR SEPARATING EPITAXIAL LAYERS FROM GROWTH SUBSTRATES, AND...

SUBSTRATE RECYCLING METHOD

METHOD FOR SEPARATING GROWTH SUBSTRATE, METHOD FOR MANUFACTURING LI...

SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME

METHOD FOR SEPARATING EPITAXIAL LAYERS AND GROWTH SUBSTRATES, AND S...

SUBSTRATE RECYCLING METHOD

SUBSTRATE RECYCLING METHOD AND RECYCLED SUBSTRATE

SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME

LIGHT EMITTING DIODE HAVING PHOTONIC CRYSTAL STRUCTURE AND METHOD O...

LIGHT EMITTING DIODE HAVING STRAIN-ENHANCED WELL LAYER

NON-POLAR LIGHT EMITTING DIODE HAVING PHOTONIC CRYSTAL STRUCTURE AN...

LIGHT EMITTING DIODE HAVING WELL AND/OR BARRIER LAYERS WITH SUPERLA...

METHOD OF FORMING NITRIDE SEMICONDUCTOR LAYER ON PATTERNED SUBSTRAT...