Issued Patents All Time
Showing 176–200 of 239 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8269228 | AC light emitting diode | Ki Bum Nam, Dae Won Kim | 2012-09-18 |
| 8252203 | Luminescent material | Gundula Roth, Walter Tews | 2012-08-28 |
| 8232565 | Light emitting diode for AC operation | Dae Won Kim, Dae Sung Kal, Won Cheol Seo, Kyung Hee Ye, Yeo Jin Yoon | 2012-07-31 |
| 8227272 | Light emitting device having a pluralilty of light emitting cells and package mounting the same | Lacroix Yves, Hyung Soo Yoon, Young Ju Lee | 2012-07-24 |
| 8198643 | Light emitting element with a plurality of cells bonded, method of manufacturing the same, and light emitting device using the same | Keon Young Lee, Lacroix Yves | 2012-06-12 |
| 8188489 | Light emitting diode for AC operation | Dae Won Kim, Dae Sung Kal, Won Cheol Seo, Kyung Hee Ye, Yeo Jin Yoon | 2012-05-29 |
| 8188687 | Light emitting device for AC power operation | James S. Speck, Hong San Kim, Jae Jo Kim, Sung Han Kim, Jae Ho Lee | 2012-05-29 |
| 8183592 | Light emitting device having a pluralilty of light emitting cells and package mounting the same | Lacroix Yves, Hyung Soo Yoon, Young Ju Lee | 2012-05-22 |
| 8173042 | Strontium oxyorthosilicate phosphors having improved stability under a radiation load and resistance to atmospheric humidity | Walter Tews, Gundula Roth, Detlef Starick | 2012-05-08 |
| 8168988 | Light emitting element with a plurality of cells bonded, method of manufacturing the same, and light emitting device using the same | Keon Young Lee, Lacroix Yves | 2012-05-01 |
| 8159000 | LED package having an array of light emitting cells coupled in series | Keon Young Lee, Hong San Kim, Dae Won Kim, Hyuck Jung Choi | 2012-04-17 |
| 8158028 | Luminescent material | Gundula Roth, Walter Tews | 2012-04-17 |
| 8154008 | Light emitting diode with improved structure | Ki Bum Nam, Dae Sung Kal | 2012-04-10 |
| 8137589 | Non stoichiometric tetragonal copper alkaline earth silicate phosphors and method of preparing the same | Walter Tews, Gundula Roth, Stefan Tews | 2012-03-20 |
| 8134165 | Light emitting device employing non-stoichiometric tetragonal alkaline earth silicate phosphors | Walter Tews, Gundula Roth, Stefan Tews | 2012-03-13 |
| 8129848 | Light emitting device having a plurality of light emitting cells connected in series and method of fabricating the same | — | 2012-03-06 |
| 8089084 | Light emitting device | Gundula Roth, Walter Tews | 2012-01-03 |
| 8076680 | LED package having an array of light emitting cells coupled in series | Keon Young Lee, Hong San Kim, Dae Won Kim, Hyuck Jung Choi | 2011-12-13 |
| 8075802 | Luminescent material | Gundula Roth, Walter Tews | 2011-12-13 |
| 8070983 | Luminescent material | Gundula Roth, Walter Tews | 2011-12-06 |
| 8070984 | Luminescent material | Gundula Roth, Walter Tews | 2011-12-06 |
| 8071988 | White light emitting device comprising a plurality of light emitting diodes with different peak emission wavelengths and a wavelength converter | Gundula Roth, Walter Tews | 2011-12-06 |
| 8066909 | Light emitting device | Gundula Roth, Walter Tews | 2011-11-29 |
| 8062535 | Video rate-enabling probes for atomic force microscopy | — | 2011-11-22 |
| 8058662 | Light emitting diode and method of fabricating the same | Do Hyung Kim | 2011-11-15 |