Uk Choi

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Color generation device having first and second birefringence media...
- Patent number 10,746,912
- Issue date Aug 18, 2020
- Uk Choi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device having polarized light source
- Patent number 9,494,821
- Issue date Nov 15, 2016
- Uk Choi
- G02 - OPTICS
Information Patent Grant
Polarization illumination system
- Patent number 9,016,884
- Issue date Apr 28, 2015
- Uk Choi
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Color Generation Device for Generating Improved Color by Increasing...
- Publication number 20180045871
- Publication date Feb 15, 2018
- Uk Choi
- G02 - OPTICS
Information Patent Application
Polarized Light Display Device Using Shadow
- Publication number 20150370084
- Publication date Dec 24, 2015
- Uk Choi
- G02 - OPTICS
Information Patent Application
Polarization Illumination System
- Publication number 20130242528
- Publication date Sep 19, 2013
- Uk Choi
- G02 - OPTICS
Information Patent Application
Polarization Display Device
- Publication number 20130120962
- Publication date May 16, 2013
- Uk Choi
- G02 - OPTICS