Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9293736 | Organic light emitting element having emission layers and an electron injection layer including fullerene and lithium quinolate | Hee-Joo Ko, Se-Jin Cho, Bo-Ra Lee, Chang-Ho Lee, Il-Soo Oh +4 more | 2016-03-22 |
| 9282612 | Dual mode organic light emitting device and pixel circuit including the same | Bo-Ra Lee, Chang-Ho Lee, Il-Soo Oh, Jin-Young Yun, Hee-Joo Ko +4 more | 2016-03-08 |
| 9231228 | Anode containing metal oxide and organic light emitting device having the same | Won-Jong Kim, Joon-Gu Lee, Ji-Young Choung, Jin-Baek Choi, Yeon Hwa Lee +5 more | 2016-01-05 |
| 9219103 | Organic light emitting diode display | Chang-Ho Lee, Hee-Joo Ko, II-Soo Oh, Se-Jin Cho, Jin-Young Yun +5 more | 2015-12-22 |
| 9159947 | Organic light-emitting device | Hee-Joo Ko, Chang-Ho Lee, Il-Soo Oh, Se-Jin Cho, Jin-Young Yun +1 more | 2015-10-13 |
| 9070645 | Organic light emitting diode display | Hee-Joo Ko, Chang-Ho Lee, Il-Soo Oh, Se-Jin Cho, Jin-Young Yun +1 more | 2015-06-30 |
| 9067885 | Organic light-emitting device | Yoon-Hyun Kwak, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jong-Hyuk Lee | 2015-06-30 |
| 9006762 | Organic light-emitting device and method of manufacturing the same | Chang-Ho Lee, Hee-Joo Ko, Il-Soo Oh, Se-Jin Cho, Jin-Young Yun +4 more | 2015-04-14 |
| 8969864 | Organic light emitting device having a bulk layer comprising a first and second material | Il-Soo Oh, Chang-Ho Lee, Hee-Joo Ko, Se-Jin Cho, Jin-Young Yun +2 more | 2015-03-03 |
| 8889267 | Organic light emitting device | Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jin-O Lim +1 more | 2014-11-18 |
| 8847210 | Organic light emitting diode display | Hee-Joo Ko, Se-Jin Cho, Chang-Ho Lee, Il-Soo Oh, Jin-Young Yun +4 more | 2014-09-30 |
| 8736546 | Display device | Il-Soo Oh, Chang-Ho Lee, Hee-Joo Ko, Se-Jin Cho, Jin-Young Yun +4 more | 2014-05-27 |
| 8716928 | Organic light emitting device with a low-resistance cathode | Yong-Tak Kim, Won-Jong Kim, Joon-Gu Lee, Jin-Baek Choi, Chang-Ho Lee +6 more | 2014-05-06 |
| 8686420 | Organic light emitting diode display and method for manufacturing the same | Il-Soo Oh, Chang-Ho Lee, Hee-Joo Ko, Se-Jin Cho, Jin-Young Yun +1 more | 2014-04-01 |
| 8659010 | Photo luminescence diode and photoluminescence diplay having the same | Chang-Ho Lee, Il-Soo Oh, Hee-Joo Ko, Se-Jin Cho, Jin-Young Yun +4 more | 2014-02-25 |
| 8625055 | Organic light emitting display device | Jong-Hyuk Lee, Chang-Ho Lee, Il-Soo Oh, Hee-Jo Ko, Si-Jin Cho +1 more | 2014-01-07 |
| 8604501 | Organic light emitting display device | Jin-Young Yun, Seok-Gyu Yoon, Chang-Ho Lee, Il-Soo Oh, Hee-Joo Ko +3 more | 2013-12-10 |
| 8535814 | Heterocyclic compound and organic light emitting device including the same | Yoon-Hyun Kwak, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jong-Hyuk Lee +1 more | 2013-09-17 |
| 8525160 | Organic light emitting device | Chang-Ho Lee, Se-Jin Cho, Il-Soo Oh, Hee-Joo Ko, Jin-Young Yun +1 more | 2013-09-03 |
| 8487528 | Organic light emitting diode device having an ytterbium alloy electrode | Seok-Gyu Yoon, Young-Woo Song, Kyu-Hwan Hwang, Jae-Heung Ha, Jong-Hyuk Lee +5 more | 2013-07-16 |
| 8415874 | Organic light-emitting device and method of manufacturing the same | Kyu-Hwan Hwang, Chang-Ho Lee, Hee-Joo Ko, Seok-Gyu Yoon, II-Soo Oh +5 more | 2013-04-09 |
| 8415688 | Organic light emitting diode display | Chang-Ho Lee, Hee-Joo Ko, Jin-Young Yun, Se-Jin Cho, Il-Soo Oh +1 more | 2013-04-09 |
| 8338000 | Organic light emitting device | Yoon-Hyun Kwak, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jong-Hyuk Lee +1 more | 2012-12-25 |
| 7612851 | Method of manufacturing a liquid crystal display device | Sin-Doo Lee, Eun Je JANG | 2009-11-03 |