H10H 20/014
Having light-emitting regions comprising only group iv materials
Official title: {having light-emitting regions comprising only Group IV materials}
H10H20/014 (Having light-emitting regions comprising only group iv materials) appears on 199 US grants and 189 published applications in this corpus.
Search patents in H10H- Granted patents
- 199
- Published applications
- 189
- Assignees
- 139
- Inventors
- 465
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 3 |
| 2002 | 3 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 4 |
| 2005 | 1 | 1 |
| 2006 | 0 | 7 |
| 2007 | 5 | 4 |
| 2008 | 3 | 7 |
| 2009 | 2 | 2 |
| 2010 | 5 | 6 |
| 2011 | 2 | 5 |
| 2012 | 5 | 8 |
| 2013 | 11 | 10 |
| 2014 | 2 | 17 |
| 2015 | 12 | 15 |
| 2016 | 19 | 9 |
| 2017 | 15 | 15 |
| 2018 | 11 | 12 |
| 2019 | 8 | 12 |
| 2020 | 9 | 10 |
| 2021 | 7 | 8 |
| 2022 | 8 | 6 |
| 2023 | 4 | 10 |
| 2024 | 2 | 8 |
| 2025 | 5 | 3 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing graphene light source, organic light-emitting device comprising graphene light source, and method for manufacturing organic light-emitting device11 Aug 2026US 12,707,800 B2University-Industry Cooperation Group of Kyung Hee University
- Semiconductor device including amorphous oxide semiconductor channel layer7 Jul 2026US 12,677,444 B2Samsung Electronics Co., Ltd.
- Method of manufacturing semiconductor device, semiconductor device, and apparatus employing the same28 Apr 2026US 12,615,974 B2Samsung Electronics Co., Ltd.
- Pixel unit and manufacturing method thereof27 Jan 2026US 12,538,843 B2Lextar Electronics Corporation
- Substrates for optoelectronic devices and methods of manufacturing same30 Dec 2025US 12,509,798 B2Socpra Sciences Et Genie S. E. C.
- Micro led unit, display panel, and manufacturing method of micro led unit30 Jul 2026US 2026/0223489 A1Hue Inc.
- Semiconductor structure and manufacturing method thereof9 Apr 2026US 2026/0101604 A1Taiwan-Asia Semiconductor Corporation
- Integration of optically active and diamond-based color centers with semiconductor substrates for quantum devices2 Apr 2026US 2026/0096358 A1IonQ, Inc.
- Wafer having auxiliary pattern for aligning light emitting device and method of fabricating unit pixel using the same22 Jan 2026US 2026/0026150 A1Seoul Viosys Co., Ltd.
- Semiconductor device and manufacturing method thereof27 Nov 2025US 2025/0366266 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- High efficiency light emitting diodes394US 5,912,477 ACree Research, Inc. · 1999
- Method for producing high efficiency light-emitting diodes and resulting diode structures383US 5,631,190 ACree Research, Inc. · 1997
- Diamond electronic device and process for producing the same282US 5,632,812 ACanon Kabushiki Kaisha · 1997
- Method of forming green light emitting diode in silicon carbide262US 5,604,135 ACree Research, Inc. · 1997
- Light emitting diode device and method for producing same165US 5,187,547 ASanyo Electric Co., Ltd. · 1993