KEH-SU CHANG

Person

Taoyuan City, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Photocuring three-dimensional molding system and vat heating device
- Patent number 11,117,323
- Issue date Sep 14, 2021
- Delta Electronics, Inc.
- Keh-Su Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Phosphor device comprising plural phosphor agents for converting wa...
- Patent number 10,758,937
- Issue date Sep 1, 2020
- Delta Electronics, Inc.
- Keh-Su Chang
- F21 - LIGHTING
Information Patent Grant
Phosphor device comprising plural phosphor agents for converting wa...
- Patent number 10,688,527
- Issue date Jun 23, 2020
- Delta Electronics, Inc.
- Keh-Su Chang
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Diffuser, laser-light-source module using the same, and method for...
- Patent number 10,367,330
- Issue date Jul 30, 2019
- Delta Electronics, Inc.
- Keh-Su Chang
- G02 - OPTICS
Information Patent Grant
Real-time color mapping system and method
- Patent number 10,319,340
- Issue date Jun 11, 2019
- Delta Electronics, Inc.
- Keh-Su Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phosphor device with spectrum of converted light comprising at leas...
- Patent number 10,310,363
- Issue date Jun 4, 2019
- Delta Electronics, Inc.
- Keh-Su Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phosphor wheel
- Patent number 10,309,617
- Issue date Jun 4, 2019
- Delta Electronics, Inc.
- Keh-Su Chang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Laser light source for projector and laser projection device
- Patent number 10,288,992
- Issue date May 14, 2019
- Delta Electronics, Inc.
- Keh-Su Chang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wavelength converting module and light-source module applying the same
- Patent number 10,281,638
- Issue date May 7, 2019
- Delta Electronics, Inc.
- Keh-Su Chang
- G02 - OPTICS
Information Patent Grant
Projection apparatus comprising phosphor wheel coated with phosphor...
- Patent number 10,281,810
- Issue date May 7, 2019
- Delta Electronics, Inc.
- Bor Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength converter and illumination system with same
- Patent number 10,156,729
- Issue date Dec 18, 2018
- Delta Electronics, Inc.
- Keh-Su Chang
- G02 - OPTICS
Information Patent Grant
Fluorescent color wheel and projector
- Patent number 10,120,272
- Issue date Nov 6, 2018
- Delta Electronics, Inc.
- Keh-Su Chang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color wheel rotation speed detecting module
- Patent number 9,976,879
- Issue date May 22, 2018
- Delta Electronics, Inc.
- Meng-Sheng Chang
- G01 - MEASURING TESTING
Information Patent Grant
Illumination system and wavelength-converting device thereof
- Patent number 9,891,511
- Issue date Feb 13, 2018
- Delta Electronics, Inc.
- Keh-Su Chang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wavelength-converting device and illumination system using same
- Patent number 9,753,276
- Issue date Sep 5, 2017
- Delta Electronics, Inc.
- Meng-Han Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wavelength conversion device
- Patent number 9,753,277
- Issue date Sep 5, 2017
- Delta Electronics, Inc.
- Keh-Su Chang
- G02 - OPTICS
Information Patent Grant
Phosphor device and manufacturing method thereof having a second ph...
- Patent number 9,726,335
- Issue date Aug 8, 2017
- Delta Electronics, Inc.
- Keh-Su Chang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Illumination system multi-layered wavelength-converting device
- Patent number 9,696,013
- Issue date Jul 4, 2017
- DELTA ELECTRONICS, INC.
- Keh-Su Chang
- G02 - OPTICS
Information Patent Grant
Illumination module
- Patent number 9,432,640
- Issue date Aug 30, 2016
- Delta Electronics, Inc.
- Keh-Su Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electric curtain
- Patent number 9,410,370
- Issue date Aug 9, 2016
- Delta Electronics, Inc.
- Yeong-Feng Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Light modulating module and image display
- Patent number 9,360,678
- Issue date Jun 7, 2016
- Delta Electronics, Inc.
- Yeong-Feng Wang
- G02 - OPTICS
Information Patent Grant
Display with an adjustable focus mechanism
- Patent number 9,322,213
- Issue date Apr 26, 2016
- Delta Electronics, Inc.
- Yeong-Feng Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of regulating light wavelength for projection device
- Patent number 9,291,884
- Issue date Mar 22, 2016
- Delta Electronics, Inc.
- Wei-Ting Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phosphor device and illumination system and projection apparatus wi...
- Patent number 9,274,407
- Issue date Mar 1, 2016
- Delta Electronics, Inc.
- Bor Wang
- F21 - LIGHTING
Information Patent Grant
Phosphor wheel and white light illumination device utilizing the same
- Patent number 9,207,525
- Issue date Dec 8, 2015
- Delta Electronics, Inc.
- Keh-Su Chang
- G02 - OPTICS
Information Patent Grant
Visible and infrared light source for illumination system and proje...
- Patent number 9,164,367
- Issue date Oct 20, 2015
- Delta Electronics, Inc.
- Keh-Su Chang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Phosphor device and illumination system for converting a first wave...
- Patent number 9,024,241
- Issue date May 5, 2015
- Delta Electronics, Inc.
- Bor Wang
- F21 - LIGHTING
Information Patent Grant
Focus adjustable apparatus
- Patent number 9,006,642
- Issue date Apr 14, 2015
- Delta Electronics, Inc.
- Yeong-Feng Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Image display system
- Patent number 8,952,996
- Issue date Feb 10, 2015
- Delta Electronics, Inc.
- Yeong-Feng Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light modulating cell, device and system
- Patent number 8,773,744
- Issue date Jul 8, 2014
- Delta Electronics, Inc.
- Rong-Chang Liang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PHOSPHOR DEVICE
- Publication number 20190299246
- Publication date Oct 3, 2019
- Delta Electronics, Inc.
- Keh-Su Chang
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
PHOSPHOR DEVICE
- Publication number 20190270116
- Publication date Sep 5, 2019
- Delta Electronics, Inc.
- Keh-Su Chang
- F21 - LIGHTING
Information Patent Application
FLUORESCENT COLOR WHEEL AND PROJECTOR
- Publication number 20180321574
- Publication date Nov 8, 2018
- Delta Electronics, Inc.
- Keh-Su CHANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOCURING THREE-DIMENSIONAL MOLDING SYSTEM AND VAT HEATING DEVICE
- Publication number 20180272606
- Publication date Sep 27, 2018
- Delta Electronics, Inc.
- Keh-Su CHANG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
WAVELENGTH CONVERSION DEVICE
- Publication number 20180252843
- Publication date Sep 6, 2018
- Delta Electronics, Inc.
- Po-Tsun Kuo
- G02 - OPTICS
Information Patent Application
LASER LIGHT SOURCE FOR PROJECTOR AND LASER PROJECTION DEVICE
- Publication number 20180231879
- Publication date Aug 16, 2018
- Delta Electronics, Inc.
- Keh-Su Chang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WAVELENGTH CONVERTER
- Publication number 20180136457
- Publication date May 17, 2018
- Delta Electronics, Inc.
- Keh-Su CHANG
- G02 - OPTICS
Information Patent Application
PROJECTION APPARATUS
- Publication number 20180074389
- Publication date Mar 15, 2018
- DELTA ELECTRONICS, INC.
- Bor Wang
- F21 - LIGHTING
Information Patent Application
PHOSPHOR WHEEL
- Publication number 20180031207
- Publication date Feb 1, 2018
- Delta Electronics, Inc.
- Keh-Su CHANG
- F21 - LIGHTING
Information Patent Application
REAL-TIME COLOR MAPPING SYSTEM AND METHOD
- Publication number 20180025701
- Publication date Jan 25, 2018
- Delta Electronics, Inc.
- Keh-Su CHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHOSPHOR DEVICE
- Publication number 20170277029
- Publication date Sep 28, 2017
- Delta Electronics, Inc.
- Keh-Su Chang
- F21 - LIGHTING
Information Patent Application
DIFFUSER, LASER-LIGHT-SOURCE MODULE USING THE SAME, AND METHOD FOR...
- Publication number 20170264072
- Publication date Sep 14, 2017
- Delta Electronics, Inc.
- Keh-Su CHANG
- G02 - OPTICS
Information Patent Application
WAVELENGTH CONVERTING MODULE AND LIGHT-SOURCE MODULE APPLYING THE SAME
- Publication number 20170068034
- Publication date Mar 9, 2017
- Delta Electronics, Inc.
- Keh-Su CHANG
- G02 - OPTICS
Information Patent Application
COLOR WHEEL ROTATION SPEED DETECTING MODULE
- Publication number 20170045382
- Publication date Feb 16, 2017
- MENG-SHENG CHANG
- G01 - MEASURING TESTING
Information Patent Application
WAVELENGTH CONVERSION DEVICE
- Publication number 20170045732
- Publication date Feb 16, 2017
- Delta Electronics, Inc.
- Keh-Su CHANG
- G02 - OPTICS
Information Patent Application
PHOSPHOR DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20160116122
- Publication date Apr 28, 2016
- Delta Electronics, Inc.
- Keh-Su Chang
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
OPTICAL WAVELENGTH-CONVERTING DEVICE AND ILLUMINATION SYSTEM USING...
- Publication number 20160102820
- Publication date Apr 14, 2016
- Delta Electronics, Inc.
- Keh-Su Chang
- G02 - OPTICS
Information Patent Application
REAL-TIME COLOR MAPPING SYSTEM AND METHOD
- Publication number 20160086573
- Publication date Mar 24, 2016
- Delta Electronics, Inc.
- Keh-Su CHANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WAVELENGTH-CONVERTING DEVICE AND ILLUMINATION SYSTEM USING SAME
- Publication number 20160069535
- Publication date Mar 10, 2016
- Delta Electronics, Inc.
- Meng-Han Liu
- G02 - OPTICS
Information Patent Application
WAVELENGTH-CONVERTING DEVICE AND ILLUMINATION SYSTEM USING SAME
- Publication number 20160069538
- Publication date Mar 10, 2016
- Delta Electronics, Inc.
- Keh-Su Chang
- G02 - OPTICS
Information Patent Application
ILLUMINATION MODULE
- Publication number 20150354787
- Publication date Dec 10, 2015
- DELTA ELECTRONICS, INC.
- Keh-Su CHANG
- F21 - LIGHTING
Information Patent Application
ILLUMINATION SYSTEM AND WAVELENGTH-CONVERTING DEVICE THEREOF
- Publication number 20150308637
- Publication date Oct 29, 2015
- Delta Electronics, Inc.
- Keh-Su Chang
- F21 - LIGHTING
Information Patent Application
FLUORIDE FLUORESCENT COMPOSITION AND WAVELENGTH-CONVERTING DEVICE O...
- Publication number 20150232751
- Publication date Aug 20, 2015
- DELTA ELECTRONICS, INC.
- Chun-Che Lin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OPTICAL WAVELENGTH CONVERTER AND ILLUMINATION SYSTEM WITH SAME
- Publication number 20150211693
- Publication date Jul 30, 2015
- DELTA ELECTRONICS, INC.
- Keh-Su Chang
- G02 - OPTICS
Information Patent Application
ELECTRIC CURTAIN
- Publication number 20150184459
- Publication date Jul 2, 2015
- Delta Electronics, Inc.
- Yeong-Feng WANG
- G02 - OPTICS
Information Patent Application
DISPLAY WITH AN ADJUSTABLE FOCUS MECHANISM
- Publication number 20150185502
- Publication date Jul 2, 2015
- Delta Electronics, Inc.
- Yeong-Feng WANG
- G02 - OPTICS
Information Patent Application
WAVELENGTH-CONVERTING DEVICE
- Publication number 20150153487
- Publication date Jun 4, 2015
- DELTA ELECTRONICS, INC.
- Chien-Hao Hua
- G02 - OPTICS
Information Patent Application
BLUE LIGHT MIXING METHOD AND SYSTEM USING THE SAME
- Publication number 20150146406
- Publication date May 28, 2015
- DELTA ELECTRONICS, INC.
- Keh-Su CHANG
- G02 - OPTICS
Information Patent Application
PHSOPHOR WHEEL AND WHITE LIGHT ILLUMINATION DEVICE UTILIZING THE SAME
- Publication number 20150116981
- Publication date Apr 30, 2015
- DELTA ELECTRONICS, INC.
- Keh-Su CHANG
- G02 - OPTICS
Information Patent Application
PHOSPHOR DEVICE AND ILLUMINATION SYSTEM AND PROJECTION APPARATUS WI...
- Publication number 20140375961
- Publication date Dec 25, 2014
- Bor Wang
- F21 - LIGHTING

KEH-SU CHANG

Person

Patents Grantslast 30 patents

Photocuring three-dimensional molding system and vat heating device

Phosphor device comprising plural phosphor agents for converting wa...

Phosphor device comprising plural phosphor agents for converting wa...

Diffuser, laser-light-source module using the same, and method for...

Real-time color mapping system and method

Phosphor device with spectrum of converted light comprising at leas...

Phosphor wheel

Laser light source for projector and laser projection device

Wavelength converting module and light-source module applying the same

Projection apparatus comprising phosphor wheel coated with phosphor...

Optical wavelength converter and illumination system with same

Fluorescent color wheel and projector

Color wheel rotation speed detecting module

Illumination system and wavelength-converting device thereof

Wavelength-converting device and illumination system using same

Wavelength conversion device

Phosphor device and manufacturing method thereof having a second ph...

Illumination system multi-layered wavelength-converting device

Illumination module

Electric curtain

Light modulating module and image display

Display with an adjustable focus mechanism

Method of regulating light wavelength for projection device

Phosphor device and illumination system and projection apparatus wi...

Phosphor wheel and white light illumination device utilizing the same

Visible and infrared light source for illumination system and proje...

Phosphor device and illumination system for converting a first wave...

Focus adjustable apparatus

Image display system

Light modulating cell, device and system

Patents Applicationslast 30 patents

PHOSPHOR DEVICE

PHOSPHOR DEVICE

FLUORESCENT COLOR WHEEL AND PROJECTOR

PHOTOCURING THREE-DIMENSIONAL MOLDING SYSTEM AND VAT HEATING DEVICE

WAVELENGTH CONVERSION DEVICE

LASER LIGHT SOURCE FOR PROJECTOR AND LASER PROJECTION DEVICE

WAVELENGTH CONVERTER

PROJECTION APPARATUS

PHOSPHOR WHEEL

REAL-TIME COLOR MAPPING SYSTEM AND METHOD

PHOSPHOR DEVICE

DIFFUSER, LASER-LIGHT-SOURCE MODULE USING THE SAME, AND METHOD FOR...

WAVELENGTH CONVERTING MODULE AND LIGHT-SOURCE MODULE APPLYING THE SAME

COLOR WHEEL ROTATION SPEED DETECTING MODULE

WAVELENGTH CONVERSION DEVICE

PHOSPHOR DEVICE AND MANUFACTURING METHOD THEREOF

OPTICAL WAVELENGTH-CONVERTING DEVICE AND ILLUMINATION SYSTEM USING...

REAL-TIME COLOR MAPPING SYSTEM AND METHOD

WAVELENGTH-CONVERTING DEVICE AND ILLUMINATION SYSTEM USING SAME

WAVELENGTH-CONVERTING DEVICE AND ILLUMINATION SYSTEM USING SAME

ILLUMINATION MODULE

ILLUMINATION SYSTEM AND WAVELENGTH-CONVERTING DEVICE THEREOF

FLUORIDE FLUORESCENT COMPOSITION AND WAVELENGTH-CONVERTING DEVICE O...

OPTICAL WAVELENGTH CONVERTER AND ILLUMINATION SYSTEM WITH SAME

ELECTRIC CURTAIN

DISPLAY WITH AN ADJUSTABLE FOCUS MECHANISM

WAVELENGTH-CONVERTING DEVICE

BLUE LIGHT MIXING METHOD AND SYSTEM USING THE SAME

PHSOPHOR WHEEL AND WHITE LIGHT ILLUMINATION DEVICE UTILIZING THE SAME

PHOSPHOR DEVICE AND ILLUMINATION SYSTEM AND PROJECTION APPARATUS WI...