ChiWing KEUNG

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
White light emitting diode and backlight module
- Patent number 11,367,811
- Issue date Jun 21, 2022
- APT ELECTRONICS CO., LTD.
- Shuguang Yao
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Red luminophor, LED device and method for making the LED device
- Patent number 11,271,142
- Issue date Mar 8, 2022
- APT ELECTRONICS CO. LTD.
- Chuiming Wan
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTING DEVICE AND METHOD FOR MAKING THE SAME
- Publication number 20200350297
- Publication date Nov 5, 2020
- APT ELECTRONICS CO. LTD.
- Chuiming WAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RED LUMINOPHOR, LED DEVICE AND METHOD FOR MAKING THE LED DEVICE
- Publication number 20200350470
- Publication date Nov 5, 2020
- APT ELECTRONICS CO. LTD.
- Chuiming WAN
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
RED PHOSPHOR, WHITE LIGHT EMITTING DIODE, AND BACKLIGHT MODULE
- Publication number 20200321494
- Publication date Oct 8, 2020
- APT ELECTRONICS CO. LTD.
- Zhaoming ZENG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WHITE LIGHT EMITTING DIODE AND BACKLIGHT MODULE
- Publication number 20200313048
- Publication date Oct 1, 2020
- APT ELECTRONICS CO. LTD.
- Shuguang YAO
- H01 - BASIC ELECTRIC ELEMENTS