Ching-Hwa Chang Jean

Person

Taoyuan, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Method for improving internal quantum efficiency of group-III nitri...
- Patent number 8,597,961
- Issue date Dec 3, 2013
- Walsin Lihwa Corporation
- Chang-Chi Pan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for enhancing electrical injection efficiency and light extr...
- Patent number 8,513,688
- Issue date Aug 20, 2013
- Walsin Lihwa Corporation
- Chang-Chi Pan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode apparatus and method for enhancing luminous ef...
- Patent number 8,421,104
- Issue date Apr 16, 2013
- Walsin Lihwa Corporation
- Ming-Teng Kuo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
GaN light emitting diode and method for increasing light extraction...
- Patent number 8,217,488
- Issue date Jul 10, 2012
- Walsin Lihwa Corporation
- Shiue-Lung Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for enhancing light extraction efficiency of light emitting...
- Patent number 8,153,455
- Issue date Apr 10, 2012
- Walsin Lihwa Corporation
- Ming-Teng Kuo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device and method for enhancing light extraction the...
- Patent number 8,129,728
- Issue date Mar 6, 2012
- Walsin Lihwa Corporation
- Chang-Chi Pan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming vertical structure light emitting diode with heat...
- Patent number 8,071,401
- Issue date Dec 6, 2011
- Walsin Lihwa Corporation
- Shiue-Lung Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming vertical structure light emitting diode with heat...
- Patent number 7,781,242
- Issue date Aug 24, 2010
- Walsin Lihwa Corporation
- Shiue-Lung Chen
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR ENHANCING ELECTRICAL INJECTION EFFICIENCY AND LIGHT EXTR...
- Publication number 20140017831
- Publication date Jan 16, 2014
- WALSIN LIHWA CORPORATION
- Chang-Chi Pan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL STRUCTURE LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING...
- Publication number 20120161175
- Publication date Jun 28, 2012
- WALSIN LIHWA CORPORATION
- Shiue-Lung CHEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD FOR ENHANCING LIGHT EXTRACTION THE...
- Publication number 20120129283
- Publication date May 24, 2012
- WALSIN LIHWA CORPORATION
- CHANG-CHI PAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUP-III NITRIDE-BASED LIGHT EMITTING DEVICE HAVING ENHANCED LIGHT...
- Publication number 20120049179
- Publication date Mar 1, 2012
- WALSIN LIHWA CORPORATION
- Ming-teng KUO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GaN Light Emitting Diode and Method for Increasing Light Extraction...
- Publication number 20120012856
- Publication date Jan 19, 2012
- WALSIN LIHWA CORPORATION
- Shiue-Lung CHEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DIODE APPARATUS AND METHOD FOR ENHANCING LUMINOUS EF...
- Publication number 20110284892
- Publication date Nov 24, 2011
- WALSIN LIHWA CORPORATION
- Ming-teng KUO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR ENHANCING LIGHT EXTRACTION EFFICIENCY OF LIGHT EMITTING...
- Publication number 20110189802
- Publication date Aug 4, 2011
- Ming-Teng KUO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF FORMING VERTICAL STRUCTURE LIGHT EMITTING DIODE WITH HEAT...
- Publication number 20110143466
- Publication date Jun 16, 2011
- WALSIN LIHWA CORPORATION
- Shiue-Lung CHEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for enhancing electrical injection efficiency and light extr...
- Publication number 20110127551
- Publication date Jun 2, 2011
- WALSIN LIHWA CORPORATION
- Chang-Chi Pan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light emitting device and method for enhancing light extraction the...
- Publication number 20110095314
- Publication date Apr 28, 2011
- WALSIN LIHWA CORPORATION
- Chang-Chi Pan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for improving internal quantum efficiency of Group-III nitri...
- Publication number 20110089398
- Publication date Apr 21, 2011
- WALSIN LIHWA CORPORATION
- Chang-Chi Pan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for improving light extraction efficiency of group-III nitri...
- Publication number 20100308323
- Publication date Dec 9, 2010
- WALSIN LIHWA CORPORATION
- Ching-hwa CHANG JEAN
- H01 - BASIC ELECTRIC ELEMENTS

Ching-Hwa Chang Jean

Person

Patents Grantslast 30 patents

Method for improving internal quantum efficiency of group-III nitri...

Method for enhancing electrical injection efficiency and light extr...

Light emitting diode apparatus and method for enhancing luminous ef...

GaN light emitting diode and method for increasing light extraction...

Method for enhancing light extraction efficiency of light emitting...

Light emitting device and method for enhancing light extraction the...

Method of forming vertical structure light emitting diode with heat...

Method of forming vertical structure light emitting diode with heat...

Patents Applicationslast 30 patents

METHOD FOR ENHANCING ELECTRICAL INJECTION EFFICIENCY AND LIGHT EXTR...

VERTICAL STRUCTURE LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING...

LIGHT EMITTING DEVICE AND METHOD FOR ENHANCING LIGHT EXTRACTION THE...

GROUP-III NITRIDE-BASED LIGHT EMITTING DEVICE HAVING ENHANCED LIGHT...

GaN Light Emitting Diode and Method for Increasing Light Extraction...

LIGHT EMITTING DIODE APPARATUS AND METHOD FOR ENHANCING LUMINOUS EF...

METHOD FOR ENHANCING LIGHT EXTRACTION EFFICIENCY OF LIGHT EMITTING...

METHOD OF FORMING VERTICAL STRUCTURE LIGHT EMITTING DIODE WITH HEAT...

Method for enhancing electrical injection efficiency and light extr...

Light emitting device and method for enhancing light extraction the...

Method for improving internal quantum efficiency of Group-III nitri...

Method for improving light extraction efficiency of group-III nitri...