JRF PHOTONICS TECH. CO., LTD

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TIANJIN, CN

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Patents Grantslast 30 patents

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- Patent number 10,030,841
- Issue date Jul 24, 2018
- JRF PHOTONICS TECH. CO., LTD.
- Chiu-Fen Wang
- F21 - LIGHTING

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Patents Applicationslast 30 patents

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DISPLAY STRUCTURE WITH DIMMING MODULE AND BIASING DIMMING MODULE AN...
- Publication number 20190079285
- Publication date Mar 14, 2019
- JRF Photonics Tech. Co., Ltd.
- Ching-Cherng SUN
- G02 - OPTICS