Oh Jin KWEON

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Projection display device for projecting an input unit image
- Patent number 8,950,870
- Issue date Feb 10, 2015
- LG Electronics Inc.
- Ho Joong Kang
- G02 - OPTICS
Information Patent Grant
Projection display device having a light combining unit
- Patent number 8,633,892
- Issue date Jan 21, 2014
- LG Electronics Inc.
- Ho Joong Kang
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION DISPLAY DEVICE FOR PROJECTING AN INPUT UNIT IMAGE
- Publication number 20140146292
- Publication date May 29, 2014
- LG ELECTRONICS INC.
- Ho Joong KANG
- G02 - OPTICS
Information Patent Application
PROJECTION DISPLAY DEVICE
- Publication number 20100302511
- Publication date Dec 2, 2010
- LG Electronics, Inc.
- Ho Joong Kang
- G02 - OPTICS