Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9893301 | Heterocyclic compounds and organic light-emitting devices including the same | Bum-Woo Park, Yoon-Hyun Kwak, Sun-Young Lee, Jong-Won Choi, Wha-Il Choi +2 more | 2018-02-13 |
| 9825244 | Organic light-emitting device | Se-Jin Cho, Chang-Ho Lee, Dae-Yup Shin, Young-Mok Son, Il-Soo Oh +7 more | 2017-11-21 |
| 9711579 | Organic light emitting diode display | Il-Soo Oh, Chang-Ho Lee, Ji-Hwan Yoon, Dae-Yup Shin, Hee-Joo Ko +8 more | 2017-07-18 |
| 9515280 | Organic light emitting device with enhanced lifespan | Chang-Ho Lee, Dae-Yup Shin, Young-Mok Son, Il-Soo Oh, Hee-Joo Ko +6 more | 2016-12-06 |
| 9391124 | Organic light emitting diode display | Il-Soo Oh, Chang-Ho Lee, Ji-Hwan Yoon, Dae-Yup Shin, Hee-Joo Ko +8 more | 2016-07-12 |
| 9385336 | Organic light-emitting device using a mixture of electron transporting compounds | Se-Jin Cho, Chang-Ho Lee, Dae-Yup Shin, Young-Mok Son, Il-Soo Oh +7 more | 2016-07-05 |
| 9293710 | Organic light-emitting diode | Se-Jin Cho, Chang-Ho Lee, Dae-Yup Shin, Young-Mok Son, ll-Soo Oh +5 more | 2016-03-22 |
| 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, Hee-Joo Ko, Se-Jin Cho +4 more | 2016-03-08 |
| 9269918 | Organic light-emitting display device having plural emitting layers disposed between two electrodes | Chang-Ho Lee, Dae-Yup Shin, Young-Mok Son, Il-Soo Oh, Hee-Joo Ko +7 more | 2016-02-23 |
| 9255084 | Heterocyclic compound and organic light-emitting device containing the same | Sun-Young Lee, Yoon-Hyun Kwak, Bum-Woo Park, Jong-Hyuk Lee | 2016-02-09 |
| 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, Hyung-Jun Song +5 more | 2015-12-22 |
| 9159947 | Organic light-emitting device | Hee-Joo Ko, Chang-Ho Lee, Il-Soo Oh, Se-Jin Cho, Hyung-Jun Song +1 more | 2015-10-13 |
| 9070645 | Organic light emitting diode display | Hee-Joo Ko, Chang-Ho Lee, Il-Soo Oh, Se-Jin Cho, Hyung-Jun Song +1 more | 2015-06-30 |
| 9006762 | Organic light-emitting device and method of manufacturing the same | Chang-Ho Lee, Hee-Joo Ko, Il-Soo Oh, Hyung-Jun Song, Se-Jin Cho +4 more | 2015-04-14 |
| 8999528 | Condensation compound and organic light emitting device including the same | So Yeon Kim, Yoon-Hyun Kwak, Bum-Woo Park, Jong-Won Choi, Wha-Il Choi +2 more | 2015-04-07 |
| 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, Hyung-Jun Song +2 more | 2015-03-03 |
| 8847210 | Organic light emitting diode display | Hee-Joo Ko, Se-Jin Cho, Chang-Ho Lee, Il-Soo Oh, Hyung-Jun Song +4 more | 2014-09-30 |
| 8736546 | Display device | Il-Soo Oh, Chang-Ho Lee, Hee-Joo Ko, Hyung-Jun Song, Se-Jin Cho +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, Hyung-Jun Song +1 more | 2014-04-01 |
| 8659010 | Photo luminescence diode and photoluminescence diplay having the same | Hyung-Jun Song, Chang-Ho Lee, Il-Soo Oh, Hee-Joo Ko, Se-Jin Cho +4 more | 2014-02-25 |
| 8625055 | Organic light emitting display device | Hyung-Jun Song, Jong-Hyuk Lee, Chang-Ho Lee, Il-Soo Oh, Hee-Jo Ko +1 more | 2014-01-07 |
| 8604501 | Organic light emitting display device | Seok-Gyu Yoon, Chang-Ho Lee, Il-Soo Oh, Hee-Joo Ko, Se-Jin Cho +3 more | 2013-12-10 |