Jihye Chang

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Yongin-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Flexible lighiing device and display panel using micro LED chips
- Patent number 11,482,568
- Issue date Oct 25, 2022
- LUMENS CO., LTD.
- Jeongwoo Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color temperature variable light emitting diode module, lighting de...
- Patent number 10,874,001
- Issue date Dec 22, 2020
- LUMENS CO., LTD.
- Jungwoo Lee
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
FLEXIBLE LIGHTING DEVICE AND DISPLAY PANEL USING MICRO LED CHIPS
- Publication number 20210265328
- Publication date Aug 26, 2021
- LUMENS CO., LTD.
- Jeongwoo LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COLOR TEMPERATURE VARIABLE LIGHT EMITTING DIODE MODULE, LIGHTING DE...
- Publication number 20190239308
- Publication date Aug 1, 2019
- LUMENS CO., LTD
- Jungwoo Lee
- H01 - BASIC ELECTRIC ELEMENTS