H10H 20/012
Having light-emitting regions comprising only group ii-iv materials
Official title: {having light-emitting regions comprising only Group II-IV materials}
H10H20/012 (Having light-emitting regions comprising only group ii-iv materials) appears on 270 US grants and 216 published applications in this corpus.
Search patents in H10H- Granted patents
- 270
- Published applications
- 216
- Assignees
- 171
- Inventors
- 567
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 12 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 3 |
| 2002 | 8 | 10 |
| 2003 | 9 | 7 |
| 2004 | 7 | 4 |
| 2005 | 3 | 6 |
| 2006 | 4 | 4 |
| 2007 | 2 | 3 |
| 2008 | 1 | 7 |
| 2009 | 1 | 10 |
| 2010 | 6 | 12 |
| 2011 | 9 | 14 |
| 2012 | 12 | 8 |
| 2013 | 13 | 7 |
| 2014 | 9 | 15 |
| 2015 | 7 | 20 |
| 2016 | 10 | 11 |
| 2017 | 15 | 7 |
| 2018 | 5 | 10 |
| 2019 | 14 | 4 |
| 2020 | 5 | 8 |
| 2021 | 5 | 10 |
| 2022 | 5 | 5 |
| 2023 | 4 | 7 |
| 2024 | 5 | 9 |
| 2025 | 3 | 9 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- LED chip based on alumina-silica composite substrate and fabrication method thereof26 May 2026US 12,641,922 B2Focus Lightings Tech Co., Ltd.
- Diode wall integrated on cooler26 May 2026US 12,642,147 B2Trumpf Photonics, Inc.
- Quantum dots coated with blue-light absorption layer and method of forming the same17 Feb 2026US 12,557,439 B2Opulence Optronics Co., Ltd.
- Resonant cavity micro-LED array using embedded reflector3 Feb 2026US 12,543,423 B2Genesee Valley Innovations, LLC
- Method for manufacturing optoelectronic devices11 Nov 2025US 12,471,411 B2STMicroelectronics (Crolles 2) SAS
- Light-emitting element and display device17 Sep 2026US 2026/0282603 A1Sharp Display Technology Corporation
- Epitaxial growth substrate, method of producing epitaxial growth substrate, and semiconductor element10 Sep 2026US 2026/0265953 A1Dowa Electronics Materials Co., Ltd.
- Light emitting element and display device10 Sep 2026US 2026/0271437 A1Sharp Display Technology Corporation
- Solution processable rhenium chalcohalides for optoelectronic light emitting diodes27 Aug 2026US 2026/0255737 A1Northwestern University
- Display device and method of manufacturing the same28 May 2026US 2026/0150467 A1LG Display Co., Ltd.
Most cited
By later US patents
- Semiconductor nanocrystal probes for biological applications and process for making and using such probes437US 6,207,392 B1The Regents of the University of California · 2001
- Preparation of nanocrystallites375US 6,576,291 B2Massachusetts Institute of Technology · 2003
- Wafer bonding of light emitting diode layers336US 5,376,580 AHewlett-Packard Company · 1994
- Semicoductor device having a hetero interface with a lowered barrier272US 5,821,555 AKabushiki Kaisha Toshiba · 1998
- Method of manufacturing P-type compound semiconductor198US 5,306,662 ANichia Chemical Industries, Ltd. · 1994