Cheol-Hyeon Chang

Person

Suwon-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Electron emission display spacer with flattening layer and manufact...
- Patent number 7,772,754
- Issue date Aug 10, 2010
- Samsung SDI Co., Ltd.
- Jae-Hoon Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emission display having an optically transmissive anode el...
- Patent number 7,714,495
- Issue date May 11, 2010
- Samsung SDI Co., Ltd.
- Seung-Joon Yoo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emission display
- Patent number 7,569,985
- Issue date Aug 4, 2009
- Samsung SDI Co., Ltd.
- Seung-Joon Yoo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emission display having electron beams with reduced distor...
- Patent number 7,569,986
- Issue date Aug 4, 2009
- Samsung SDI Co., Ltd.
- Eung-Joon Chi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emission device, display device using the same, and drivin...
- Patent number 7,525,519
- Issue date Apr 28, 2009
- Samsung SDI Co., Ltd.
- Cheol-Hyeon Chang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electron emission display
- Patent number 7,446,468
- Issue date Nov 4, 2008
- Samsung SDI Co., Ltd.
- Su-Bong Hong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emission device
- Patent number 7,417,380
- Issue date Aug 26, 2008
- Samsung SDI Co., Ltd.
- Seung-Hyun Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emission device
- Patent number 7,385,345
- Issue date Jun 10, 2008
- Samsung SDI Co., Ltd.
- Cheol-Hyeon Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field emission display including mesh grid and focusing electrode a...
- Patent number 7,157,849
- Issue date Jan 2, 2007
- Samsung SDI Co., Ltd.
- Hyeong-Rae Seon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flat panel display having mesh grid
- Patent number 6,686,678
- Issue date Feb 3, 2004
- Samsung SDI Co., Ltd.
- Bong-Kyung Suk
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Spacer and electron emission display having the same
- Publication number 20100060129
- Publication date Mar 11, 2010
- Sung-Hwan Jin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION D...
- Publication number 20090058258
- Publication date Mar 5, 2009
- Cheol-Hyeon Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron emission display
- Publication number 20070182311
- Publication date Aug 9, 2007
- Su-Bong Hong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron emission display spacer and manufacturing method thereof
- Publication number 20070176530
- Publication date Aug 2, 2007
- Jae-Hoon Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Spacer and electron emission display having the spacer
- Publication number 20070164647
- Publication date Jul 19, 2007
- Sung-Hwan Jin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron emission display
- Publication number 20070138937
- Publication date Jun 21, 2007
- Seung-Joon Yoo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron emission display
- Publication number 20070096628
- Publication date May 3, 2007
- Samsung SDI Co., Ltd
- Seung-Joon Yoo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron emission display
- Publication number 20070096626
- Publication date May 3, 2007
- Eung-Joon Chi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron emission display device having low resistance spacer
- Publication number 20070029921
- Publication date Feb 8, 2007
- Sung Hwan Jin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum vessel and electron emission display using the vacuum vessel
- Publication number 20060244362
- Publication date Nov 2, 2006
- Hyeong-Rae Seon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron emission device and method for manufacturing the same
- Publication number 20060232189
- Publication date Oct 19, 2006
- Kyung-Sun Ryu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron emission device
- Publication number 20060220584
- Publication date Oct 5, 2006
- Seung-Hyun Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron emission device, display device using the same, and drivin...
- Publication number 20050264229
- Publication date Dec 1, 2005
- Cheol-Hyeon Chang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Electron emission device
- Publication number 20050184647
- Publication date Aug 25, 2005
- Cheol-Hyeon Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron emission device
- Publication number 20050179361
- Publication date Aug 18, 2005
- Cheol-Hyeon Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Field emission display and method of manufacturing the same
- Publication number 20040145298
- Publication date Jul 29, 2004
- Hyeong-Rae Seon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Flat panel display having mesh grid
- Publication number 20030230960
- Publication date Dec 18, 2003
- Bong-Kyung Suk
- B82 - NANO-TECHNOLOGY

Cheol-Hyeon Chang

Person

Patents Grantslast 30 patents

Electron emission display spacer with flattening layer and manufact...

Electron emission display having an optically transmissive anode el...

Electron emission display

Electron emission display having electron beams with reduced distor...

Electron emission device, display device using the same, and drivin...

Electron emission display

Electron emission device

Electron emission device

Field emission display including mesh grid and focusing electrode a...

Flat panel display having mesh grid

Patents Applicationslast 30 patents

Spacer and electron emission display having the same

LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION D...

Electron emission display

Electron emission display spacer and manufacturing method thereof

Spacer and electron emission display having the spacer

Electron emission display

Electron emission display

Electron emission display

Electron emission display device having low resistance spacer

Vacuum vessel and electron emission display using the vacuum vessel

Electron emission device and method for manufacturing the same

Electron emission device

Electron emission device, display device using the same, and drivin...

Electron emission device

Electron emission device

Field emission display and method of manufacturing the same

Flat panel display having mesh grid