H10K 50/157
Between the light-emitting layer and the cathode
Official title: {between the light-emitting layer and the cathode}
H10K50/157 (Between the light-emitting layer and the cathode) appears on 152 US grants and 204 published applications in this corpus.
Search patents in H10K- Granted patents
- 152
- Published applications
- 204
- Assignees
- 71
- Inventors
- 439
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 5 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 2 |
| 2011 | 4 | 8 |
| 2012 | 3 | 14 |
| 2013 | 12 | 7 |
| 2014 | 10 | 8 |
| 2015 | 13 | 28 |
| 2016 | 11 | 10 |
| 2017 | 16 | 13 |
| 2018 | 11 | 20 |
| 2019 | 12 | 7 |
| 2020 | 11 | 10 |
| 2021 | 12 | 15 |
| 2022 | 5 | 10 |
| 2023 | 9 | 13 |
| 2024 | 7 | 12 |
| 2025 | 3 | 8 |
| 2026 | 9 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Display screen, method and device of designing same, and storage medium15 Sep 2026US 12,740,297 B2Shenzhen Metalenx Technology Co.,Ltd
- Display device and method for manufacturing the same18 Aug 2026US 12,713,801 B2LG Display Co., Ltd.
- Compound and organic light emitting device comprising the same21 Jul 2026US 12,686,661 B2LG Chem.Ltd.
- Organic light emitting device7 Jul 2026US 12,677,529 B2LG Display Co., Ltd.
- Quantum dot light emitting structure, method for manufacturing the same, array substrate, and display device12 May 2026US 12,628,469 B2Beijing BOE Technology Development Co., Ltd.
- Novel compound and organic light emitting device comprising the same10 Sep 2026US 2026/0265197 A1LG Chem.Ltd.
- Light-emitting device and light-emitting apparatus23 Jul 2026US 2026/0215154 A1Semiconductor Energy Laboratory Co.Ltd.
- Quantum dot light emitting structure, method for manufacturing the same, array substrate, and display device12 Feb 2026US 2026/0047236 A1Beijing BOE Technology Development Co., Ltd.
- Organic electroluminescent element6 Nov 2025US 2025/0344566 A1Tosoh Corporation
- Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device16 Oct 2025US 2025/0324847 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- High efficiency multi-color electro-phosphorescent OLEDs102US 7,009,338 B2The Trustees of Princeton University · 2006
- Light-emitting element having hole generating layer88US 7,462,883 B2Semiconductor Energy Laboratory Co.Ltd. · 2008
- Light emitting element and light emitting device using the same73US 7,893,427 B2Semiconductor Energy Laboratory Co.Ltd. · 2011
- High efficiency multi-color electro-phosphorescent OLEDs71US 7,285,907 B2The Trustees of Princeton University · 2007
- Light emitting element55US 7,737,626 B2Semiconductor Energy Laboratory Co.Ltd. · 2010