H05B 33/22
Characterised by the chemical or physical composition or the arrangement of auxiliary
Official title: characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
H05B33/22 (Characterised by the chemical or physical composition or the arrangement of auxiliary) appears on 1,241 US grants and 1,474 published applications in this corpus.
Search patents in H05B- Granted patents
- 1,241
- Published applications
- 1,474
- Assignees
- 388
- Inventors
- 2,422
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 11 | 0 |
| 1988 | 13 | 0 |
| 1989 | 13 | 0 |
| 1990 | 9 | 0 |
| 1991 | 16 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 11 | 0 |
| 1995 | 16 | 0 |
| 1996 | 21 | 0 |
| 1997 | 13 | 0 |
| 1998 | 23 | 0 |
| 1999 | 22 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 8 |
| 2002 | 25 | 37 |
| 2003 | 21 | 22 |
| 2004 | 32 | 58 |
| 2005 | 19 | 39 |
| 2006 | 30 | 53 |
| 2007 | 17 | 40 |
| 2008 | 15 | 58 |
| 2009 | 15 | 44 |
| 2010 | 38 | 50 |
| 2011 | 39 | 44 |
| 2012 | 35 | 34 |
| 2013 | 35 | 43 |
| 2014 | 52 | 50 |
| 2015 | 38 | 33 |
| 2016 | 38 | 37 |
| 2017 | 40 | 48 |
| 2018 | 37 | 53 |
| 2019 | 51 | 89 |
| 2020 | 64 | 95 |
| 2021 | 59 | 91 |
| 2022 | 53 | 80 |
| 2023 | 45 | 95 |
| 2024 | 69 | 198 |
| 2025 | 70 | 55 |
| 2026 | 50 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light-emitting apparatus, electronic equipment, display apparatus, and lighting device25 Aug 2026US 12,720,951 B2Semiconductor Energy Laboratory Co.Ltd.
- Method of manufacturing display device and display device having a liquid-repellent bank for preventing coating liquid outflow25 Aug 2026US 12,720,955 B2Sharp Kabushiki Kaisha
- Display device25 Aug 2026US 12,720,990 B2Semiconductor Energy Laboratory Co.Ltd.
- Light-emitting element and display device25 Aug 2026US 12,720,998 B2Sharp Kabushiki Kaisha
- Display device18 Aug 2026US 12,713,776 B2Semiconductor Energy Laboratory Co.Ltd.
- Organic-light emitting diode1 Oct 2026US 2026/0298429 A1Pictiva Displays International Limited
- Light-emitting element and method for manufacturing same, and display device and method for manufacturing same27 Aug 2026US 2026/0255786 A1Sharp Display Technology Corporation
- Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device27 Aug 2026US 2026/0255875 A1Idemitsu Kosan Co., Ltd.
- Light-emitting element, production method therefor, and display device20 Aug 2026US 2026/0247830 A1Sharp Display Technology Corporation
- Light-emitting element and display device13 Aug 2026US 2026/0239818 A1Sharp Display Technology Corporation
Most cited
By later US patents
- Organic electroluminescent devices having improved power conversion efficiencies838US 4,539,507 AEastman Kodak Company · 1985
- Organic electroluminescent display panel with projecting ramparts and method for manufacturing the same270US 5,742,129 APioneer Electronic Corporation · 1998
- Organic electoluminescent display panel and method for manufacturing the same213US 5,701,055 APioneer Electronic Corporation · 1997
- Multi-color light emission apparatus with organic electroluminescent device202US 5,909,081 AIdemitsu Kosan Co., Ltd. · 1999
- Active matrix display198US 6,359,606 B1Seiko Epson Corporation · 2002