H10H 20/82
Roughened surfaces
Official title: Roughened surfaces, e.g. at the interface between epitaxial layers
H10H20/82 (Roughened surfaces) appears on 2,231 US grants and 2,872 published applications in this corpus.
Search patents in H10H- Granted patents
- 2,231
- Published applications
- 2,872
- Assignees
- 477
- Inventors
- 3,394
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 3 |
| 2002 | 8 | 8 |
| 2003 | 9 | 23 |
| 2004 | 11 | 25 |
| 2005 | 19 | 52 |
| 2006 | 28 | 78 |
| 2007 | 23 | 82 |
| 2008 | 26 | 93 |
| 2009 | 43 | 103 |
| 2010 | 80 | 148 |
| 2011 | 99 | 194 |
| 2012 | 113 | 182 |
| 2013 | 154 | 187 |
| 2014 | 206 | 200 |
| 2015 | 197 | 185 |
| 2016 | 199 | 167 |
| 2017 | 144 | 145 |
| 2018 | 139 | 159 |
| 2019 | 148 | 126 |
| 2020 | 125 | 122 |
| 2021 | 83 | 124 |
| 2022 | 90 | 101 |
| 2023 | 65 | 111 |
| 2024 | 79 | 99 |
| 2025 | 80 | 95 |
| 2026 | 39 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light emitting device with LED stack for display and display apparatus having the same6 Oct 2026US 12,757,525 B2Seoul Viosys Co., Ltd.
- Electronic structure, manufacturing method of electronic structure, and manufacturing method of electronic device6 Oct 2026US 12,757,527 B2Oki Electric Industry Co., Ltd.
- Unit pixel having light emitting device and displaying apparatus6 Oct 2026US 12,757,559 B2Seoul Viosys Co., Ltd.
- Epitaxial structure of light-emitting device and manufacturing method thereof22 Sep 2026US 12,745,488 B2Enkris Semiconductor, Inc.
- Reflective layers for light-emitting diodes25 Aug 2026US 12,720,926 B2CreeLED, Inc.
- Semiconductor device arrangement8 Oct 2026US 2026/0314121 A1Ennostar Corporation
- Semiconductor device8 Oct 2026US 2026/0314122 A1Ennostar Corporation
- Semiconductor light-emitting element, and display device24 Sep 2026US 2026/0293377 A1LG Electronics Inc.
- Light-emitting element, light-emitting module and display backlight unit17 Sep 2026US 2026/0282605 A1Ennostar Corporation
- Display device, method for manufacturing the same and electronic device10 Sep 2026US 2026/0271436 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- Light emitting semiconductor device1,509US 7,265,374 B2Arima Computer Corporation · 2007
- Enhanced light extraction in LEDs through the use of internal and external optical elements522US 6,657,236 B1Cree Lighting Company · 2003
- Semiconductor light emitting device496US 8,008,683 B2Samsung LED Co., Ltd. · 2011
- Nitride semiconductor light emitting device and fabrication method thereof496US 8,129,711 B2Samsung LED Co., Ltd. · 2012
- Semiconductor light emitting device, method of manufacturing the same, and semiconductor light emitting device package using the same495US 7,964,881 B2Samsung LED Co., Ltd. · 2011