Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10247980 | Film for enhancing color purity and correcting brightness for liquid crystal display device, and liquid crystal display device comprising same | Hong Youl Cho, Kyoo Choong Cho | 2019-04-02 |
| 10133110 | Colour purity improvement film for liquid crystal display device and liquid crystal display device having same | Hong Youl Cho, Kyoo Choong Cho, Sue Yoen Lee | 2018-11-20 |
| 10048430 | Liquid crystal display comprising absorption dyes | Hong Youl Cho, Kyoo Choong Cho, Yong Jae Choe | 2018-08-14 |
| 10012787 | Liquid crystal display comprising K-Si-F-based phosphors and color gamut enhancing film | Hong Youl Cho, Kyoo Choong Cho | 2018-07-03 |
| 9971191 | Liquid crystal display comprising quantum dot sheet and color gamut enhancing film | Hong Youl Cho, Kyoo Choong Cho | 2018-05-15 |
| 9157599 | Light emitting diode lighting system having haze-changeable film | Hyun Seok Cho, Hyung Joon Paik, Hyo Gil Cha, Chang Ho Kang | 2015-10-13 |