H10K 50/181
Electron blocking layers
Official title: {Electron blocking layers}
H10K50/181 (Electron blocking layers) appears on 510 US grants and 877 published applications in this corpus.
Search patents in H10K- Granted patents
- 510
- Published applications
- 877
- Assignees
- 151
- Inventors
- 1,445
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 4 | 4 |
| 2004 | 0 | 9 |
| 2005 | 6 | 4 |
| 2006 | 5 | 11 |
| 2007 | 3 | 7 |
| 2008 | 0 | 5 |
| 2009 | 4 | 10 |
| 2010 | 10 | 4 |
| 2011 | 2 | 10 |
| 2012 | 4 | 16 |
| 2013 | 9 | 11 |
| 2014 | 8 | 14 |
| 2015 | 14 | 30 |
| 2016 | 18 | 28 |
| 2017 | 22 | 38 |
| 2018 | 27 | 74 |
| 2019 | 43 | 69 |
| 2020 | 42 | 64 |
| 2021 | 54 | 56 |
| 2022 | 50 | 79 |
| 2023 | 32 | 89 |
| 2024 | 54 | 104 |
| 2025 | 58 | 75 |
| 2026 | 40 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Organic light emitting device and display apparatus29 Sep 2026US 12,751,131 B2Boe Technology Group Co., Ltd.
- Display panels and display devices29 Sep 2026US 12,751,134 B2Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Sheet resistance component15 Sep 2026US 12,740,229 B2Novaled GmbH
- Display device having partition with multiple portions and manufacturing method thereof8 Sep 2026US 12,733,370 B2Magnolia White Corporation
- Organic light-emitting device8 Sep 2026US 12,733,396 B2LG Chem.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.
- Organic light-emitting device1 Oct 2026US 2026/0305160 A1LG Chem.Ltd.
- Organic electroluminescent materials and devices1 Oct 2026US 2026/0305167 A1Universal Display Corporation
- Boron-nitrogen-containing organic compound and application thereof in organic light-emitting diode device24 Sep 2026US 2026/0293422 A1Boe Technology Group Co., Ltd.
- Light emitting display device with subpixels having different structures24 Sep 2026US 2026/0293450 A1LG Display Co., Ltd.
Most cited
By later US patents
- Organic electroluminescent element and production method thereof124US 6,566,807 B1Sharp Kabushiki Kaisha · 2003
- Organic light emitting devices with electron blocking layers109US 6,951,694 B2University of Southern California · 2005
- Light-emitting devices containing network electrode polymers in electron blocking layer106US 6,004,681 AThe Ohio State University Research Foundation · 1999
- Light-emitting device and method of manufacturing the same68US 6,580,213 B2Semiconductor Energy Laboratory Co.Ltd. · 2003
- Organic light emitting devices with electron blocking layers67US 7,553,557 B2University of Southern California · 2009