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Chul Jae YOO
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Seongnam-si, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Quantum dot glass cell and light-emitting device package including...
Patent number
10,680,144
Issue date
Jun 9, 2020
Samsung Electronics Co., Ltd.
Chul-hee Yoo
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Audio apparatus and audio output port
Patent number
10,368,171
Issue date
Jul 30, 2019
RADSONE INC.
Chul-Jae Yoo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source package and display device including the same
Patent number
10,347,804
Issue date
Jul 9, 2019
Samsung Electronics Co., Ltd.
Chul-hee Yoo
G02 - OPTICS
Information
Patent Grant
Light emitting device package, method of manufacturing the same, ba...
Patent number
10,326,057
Issue date
Jun 18, 2019
Samsung Electronics Co., Ltd.
Tae Hyung Kim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Pulse area modulation method and pulse area modulator using thereof
Patent number
9,985,623
Issue date
May 29, 2018
RADSONE INC.
Woo Suk Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Light source package and display device including the same
Patent number
9,666,773
Issue date
May 30, 2017
Samsung Electronics Co., Ltd.
Chul-hee Yoo
G02 - OPTICS
Information
Patent Grant
White light emitting device and white light source module using the...
Patent number
9,392,670
Issue date
Jul 12, 2016
Samsung Electronics Co., Ltd.
Chul Hee Yoo
F21 - LIGHTING
Information
Patent Grant
Backlight unit for liquid crystal display device
Patent number
9,176,274
Issue date
Nov 3, 2015
Samsung Electronics Co., Ltd.
Chul Hee Yoo
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Slim type backlight unit with through-hole adhesive heat dissipatin...
Patent number
8,721,126
Issue date
May 13, 2014
Samsung Electronics Co., Ltd.
Chul Hee Yoo
F21 - LIGHTING
Information
Patent Grant
Backlight unit for liquid crystal display device
Patent number
8,596,852
Issue date
Dec 3, 2013
Samsung Electronics Co., Ltd.
Chul Hee Yoo
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Dimming structure for image display device
Patent number
8,508,462
Issue date
Aug 13, 2013
Samsung Electronics Co., Ltd.
Chul Hee Yoo
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Slim type backlight unit with through-hole adhesive heat dissipatin...
Patent number
8,500,306
Issue date
Aug 6, 2013
Samsung Electronics Co., Ltd.
Chul Hee Yoo
F21 - LIGHTING
Information
Patent Grant
Plane light source and LCD backlight unit having the same
Patent number
8,488,081
Issue date
Jul 16, 2013
Samsung Electronics Co., Ltd.
Seong Yeon Han
G02 - OPTICS
Information
Patent Grant
White light emitting device and white light source module using the...
Patent number
8,317,348
Issue date
Nov 27, 2012
Samsung LED Co., Ltd.
Chul Hee Yoo
F21 - LIGHTING
Information
Patent Grant
Surface light source using white light emitting diodes and liquid c...
Patent number
8,182,106
Issue date
May 22, 2012
Samsung LED Co., Ltd.
Jae Hong Shin
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
White light emitting device and white light source module using the...
Patent number
7,964,885
Issue date
Jun 21, 2011
Samsung LED Co., Ltd.
Chul Hee Yoo
F21 - LIGHTING
Information
Patent Grant
White light emitting device and white light source module using the...
Patent number
7,959,312
Issue date
Jun 14, 2011
Samsung LED Co., Ltd.
Chul Hee Yoo
F21 - LIGHTING
Information
Patent Grant
Surface light source using white light emitting diodes and liquid c...
Patent number
7,946,724
Issue date
May 24, 2011
Samsung LED Co., Ltd.
Jae Hong Shin
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Backlight unit having light emititng diodes and method of manufactu...
Patent number
7,914,194
Issue date
Mar 29, 2011
Samsung LED Co., Ltd.
Jung Kyu Park
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plane light source and LCD backlight unit having the same
Patent number
7,894,017
Issue date
Feb 22, 2011
Samsung LED Co., Ltd.
Seong Yeon Han
G02 - OPTICS
Information
Patent Grant
Backlight for liquid crystal display using light emitting diode
Patent number
7,648,254
Issue date
Jan 19, 2010
Samsung Electro-Mechanics Co., Ltd.
Chul Hee Yoo
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
DISPLAY DEVICE
Publication number
20230027490
Publication date
Jan 26, 2023
SAMSUNG DISPLAY CO., LTD.
Hye Lim KANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT-EMITTING DIODE AND DISPLAY DEVICE COMPRISING SAME
Publication number
20230006095
Publication date
Jan 5, 2023
SAMSUNG DISPLAY CO., LTD.
Hoo Keun PARK
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT-EMITTING DIODE AND DISPLAY DEVICE COMPRISING SAME
Publication number
20220376144
Publication date
Nov 24, 2022
SAMSUNG DISPLAY CO., LTD.
Moon Jung AN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING ELEMENT, MANUFACTURING METHOD THEREFOR AND DISPLAY D...
Publication number
20220367756
Publication date
Nov 17, 2022
SAMSUNG DISPLAY CO., LTD.
Dong Eon LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT-EMITTING ELEMENT AND DISPLAY DEVICE INCLUDING THE SAME
Publication number
20220336711
Publication date
Oct 20, 2022
SAMSUNG DISPLAY CO., LTD.
Se Young KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DIODE AND DISPLAY DEVICE INCLUDING THE SAME
Publication number
20220190025
Publication date
Jun 16, 2022
SAMSUNG DISPLAY CO., LTD.
Chul Jong YOO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DISPLAY DEVICE AND METHOD OF MANUFACTURING LIGHT-EMITTING ELEMENT
Publication number
20220173277
Publication date
Jun 2, 2022
SAMSUNG DISPLAY CO., LTD.
So Young LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DISPLAY DEVICE
Publication number
20220173158
Publication date
Jun 2, 2022
SAMSUNG DISPLAY CO., LTD.
Seung Geun LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING ELEMENT AND DISPLAY DEVICE INCLUDING THE SAME
Publication number
20220077350
Publication date
Mar 10, 2022
SAMSUNG DISPLAY CO., LTD.
Jong Won LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
QUANTUM DOT GLASS CELL AND LIGHT-EMITTING DEVICE PACKAGE INCLUDING...
Publication number
20180351052
Publication date
Dec 6, 2018
Samsung Electronics Co., Ltd.
Chul-hee YOO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DEVICE PACKAGE, METHOD OF MANUFACTURING THE SAME, BA...
Publication number
20180198031
Publication date
Jul 12, 2018
Samsung Electronics Co., Ltd.
Tae Hyung KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IN-EAR MICROPHONE
Publication number
20180098159
Publication date
Apr 5, 2018
RADSONE INC.
Chul Jae Yoo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUDIO APPARATUS AND AUDIO OUTPUT PORT
Publication number
20170374467
Publication date
Dec 28, 2017
Radsone Inc.
Chul-Jae Yoo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
AUDIO OUTPUT CONTROLLING METHOD BASED ON ORIENTATION OF AUDIO OUTPU...
Publication number
20170289723
Publication date
Oct 5, 2017
RADSONE INC.
Chul Jae YOO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE PACKAGE AND DISPLAY DEVICE INCLUDING THE SAME
Publication number
20170256687
Publication date
Sep 7, 2017
Samsung Electronics Co., Ltd.
Chul-hee YOO
G02 - OPTICS
Information
Patent Application
LIGHT-EMITTING DIODE PRODUCTION METHOD USING NANOSTRUCTURE TRANSFER...
Publication number
20160372634
Publication date
Dec 22, 2016
POSTECH ACADEMY-INDUSTRY FOUNDATION
Chul-Jong YOO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PULSE AREA MODULATION METHOD AND PULSE AREA MODULATOR USING THEREOF
Publication number
20160182030
Publication date
Jun 23, 2016
RADSONE INC.
Woo Suk LEE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
LIGHT SOURCE PACKAGE AND DISPLAY DEVICE INCLUDING THE SAME
Publication number
20150228869
Publication date
Aug 13, 2015
Samsung Electronics Co., Ltd.
Chul-hee YOO
G02 - OPTICS
Information
Patent Application
BACKLIGHT UNIT FOR LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20140049729
Publication date
Feb 20, 2014
Samsung Electronics Co., Ltd.
Chul Hee YOO
G02 - OPTICS
Information
Patent Application
SLIM TYPE BACKLIGHT UNIT WITH THROUGH-HOLE ADHESIVE HEAT DISSIPATIN...
Publication number
20130301276
Publication date
Nov 14, 2013
Chul Hee YOO
G02 - OPTICS
Information
Patent Application
WHITE LIGHT EMITTING DEVICE AND WHITE LIGHT SOURCE MODULE USING THE...
Publication number
20130258211
Publication date
Oct 3, 2013
Chul Hee YOO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD OF REMOVING MICROPHONE NOISE AND PORTABLE TERMINAL SUPPORTIN...
Publication number
20130051574
Publication date
Feb 28, 2013
Samsung Electronics Co. Ltd.
Chul YOO
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
WHITE LIGHT EMITTING DEVICE AND WHITE LIGHT SOURCE MODULE USING THE...
Publication number
20110242437
Publication date
Oct 6, 2011
SAMSUNG LED CO., LTD.
Chul Hee YOO
G02 - OPTICS
Information
Patent Application
SURFACE LIGHT SOURCE USING WHITE LIGHT EMITTING DIODES AND LIQUID C...
Publication number
20110157492
Publication date
Jun 30, 2011
SAMSUNG LED CO., LTD.
Jae Hong SHIN
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
SLIM TYPE BACKLIGHT UNIT WITH THROUGH-HOLE ADHESIVE HEAT DISSIPATIN...
Publication number
20110122600
Publication date
May 26, 2011
Samsung LED Co., Ltd.
Chul Hee YOO
G02 - OPTICS
Information
Patent Application
PLANE LIGHT SOURCE AND LCD BACKLIGHT UNIT HAVING THE SAME
Publication number
20100284186
Publication date
Nov 11, 2010
Samsung Electro-Mechanics Co., Ltd.
Seong Yeon HAN
G02 - OPTICS
Information
Patent Application
PLANE LIGHT SOURCE AND LCD BACKLIGHT UNIT HAVING THE SAME
Publication number
20090059123
Publication date
Mar 5, 2009
Samsung Electro-Mechanics CO., LTD.
Seong Yeon HAN
G02 - OPTICS
Information
Patent Application
Surface light source using white light emitting diodes and liquid c...
Publication number
20090059579
Publication date
Mar 5, 2009
Jae Hong Shin
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
White light emitting device and white light source module using the...
Publication number
20080265269
Publication date
Oct 30, 2008
Samsung Electro-Mechanics CO., LTD.
Chul Hee Yoo
G02 - OPTICS
Information
Patent Application
Backlight unit having light emititng diodes and method of manufactu...
Publication number
20080205058
Publication date
Aug 28, 2008
Samsung Electro-Mechanics CO., LTD.
Jung Kyu Park
G02 - OPTICS