Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724721 | Light emitting diode device | Tzu-Chi Cheng, Hong-Zhi Liu | 2020-07-28 |
| 10204888 | LED-based light sources for light emitting devices and lighting arrangements with photoluminescence wavelength conversion | Yi-Qun Li, Chienli (Jeff) Yang | 2019-02-12 |
| 9874318 | LED assembly and LED bulb using the same | Tzu-Chi Cheng, Hong-Zhi Liu, Yu Min Li | 2018-01-23 |
| 9524954 | LED-based light sources for light emitting devices and lighting arrangements with photoluminescence wavelength conversion | Yi-Qun Li, Chienli (Jeff) Yang | 2016-12-20 |
| 9310031 | Light emitting diode bulb | Tzu-Chi Cheng, Hong-Zhi Liu | 2016-04-12 |
| 9115875 | LED light lamps using stack effect for improving heat dissipation | Tzu-Chi Cheng, Hong-Zhi Liu, Yu Min Li | 2015-08-25 |
| 9004705 | LED-based light sources for light emitting devices and lighting arrangements with photoluminescence wavelength conversion | Yi-Qun Li, Chienli (Jeff) Yang | 2015-04-14 |
| 8669568 | Light emitting device usable for variable driving voltages | — | 2014-03-11 |
| 8461613 | Light emitting device | Hsi-Yan Chou, Yi-Qun Li | 2013-06-11 |
| 8450748 | Solid state light emitting device | Hsi-Yan Chou, Yu Min Li, Yu-Chou Hu, Chih-Wei Huang, Tzu-Chi Cheng | 2013-05-28 |
| 8440500 | Light emitting device | Hsi-Yan Chou, Chih-Wei Huang | 2013-05-14 |
| 8288935 | Light emitting diode apparatus and manufacturing method thereof | — | 2012-10-16 |
| 7388813 | Time display device | — | 2008-06-17 |
| 7307920 | Timer display device having light generating module with circular arrangement | — | 2007-12-11 |
| 6639791 | Portable external hard drive | — | 2003-10-28 |