H10K 50/14
Carrier transporting layers
H10K50/14 (Carrier transporting layers) appears on 7,780 US grants and 11,365 published applications in this corpus.
Search patents in H10K- Granted patents
- 7,780
- Published applications
- 11,365
- Assignees
- 905
- Inventors
- 8,720
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 12 | 0 |
| 2001 | 10 | 11 |
| 2002 | 24 | 40 |
| 2003 | 40 | 93 |
| 2004 | 58 | 108 |
| 2005 | 53 | 157 |
| 2006 | 57 | 196 |
| 2007 | 61 | 264 |
| 2008 | 76 | 188 |
| 2009 | 72 | 288 |
| 2010 | 157 | 217 |
| 2011 | 180 | 281 |
| 2012 | 190 | 305 |
| 2013 | 227 | 286 |
| 2014 | 249 | 391 |
| 2015 | 381 | 545 |
| 2016 | 355 | 572 |
| 2017 | 442 | 704 |
| 2018 | 512 | 849 |
| 2019 | 656 | 901 |
| 2020 | 610 | 826 |
| 2021 | 587 | 827 |
| 2022 | 603 | 813 |
| 2023 | 576 | 781 |
| 2024 | 594 | 725 |
| 2025 | 587 | 567 |
| 2026 | 372 | 430 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aromatic amine derivative, and organic electroluminescent element using same6 Oct 2026US 12,753,145 B2Idemitsu Kosan Co., Ltd.
- Light-emitting device and light-emitting display device including the same6 Oct 2026US 12,757,567 B2LG Display Co., Ltd.
- Organic electroluminescence device, light emitting device, organic electroluminescence display device and electronic device6 Oct 2026US 12,757,568 B2Idemitsu Kosan Co., Ltd.
- Light-emitting device and method of manufacturing the same, display panel and display apparatus6 Oct 2026US 12,757,569 B2Beijing BOE Technology Development Co., Ltd.
- Organic light emitting diode and organic light emitting display device including the same6 Oct 2026US 12,757,570 B2LG Display Co., Ltd.
- Light-emitting device including condensed cyclic compound, electronic apparatus and electronic device each including the light-emitting device, and the condensed cyclic compound8 Oct 2026US 2026/0314171 A1Samsung Display Co., Ltd.
- Light-emitting device including organometallic compound, electronic apparatus including the light-emitting device, and the organometallic compound8 Oct 2026US 2026/0314172 A1Samsung Display Co., Ltd.
- Film, perovskite light emitting device comprising the same and method of manufacturing the perovskite light emitting device8 Oct 2026US 2026/0314253 A1Seoul National University R&Db Foundation
- An organic compound and an organic electroluminescent device using the same1 Oct 2026US 2026/0297034 A1Solus Advanced Materials Co., Ltd.
- Organic-light emitting diode1 Oct 2026US 2026/0298429 A1Pictiva Displays International Limited
Most cited
By later US patents
- Multicolor organic light emitting devices2,173US 5,707,745 AThe Trustees of Princeton University · 1998
- Transparent contacts for organic devices1,986US 5,703,436 AThe Trustees of Princeton University · 1997
- Electroluminescent device with organic electroluminescent medium1,315US 5,061,569 AEastman Kodak Company · 1991
- Material for luminescence element and luminescence element using the same890US 6,528,187 B1Fuji Photo Film Co., Ltd. · 2003
- Multicolor organic light emitting devices402US 5,757,026 AThe Trustees of Princeton University · 1998