H05B 33/20
Characterised by the chemical or physical composition or the arrangement of the
Official title: characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
H05B33/20 (Characterised by the chemical or physical composition or the arrangement of the) appears on 490 US grants and 579 published applications in this corpus.
Search patents in H05B- Granted patents
- 490
- Published applications
- 579
- Assignees
- 212
- Inventors
- 1,196
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 2 |
| 2002 | 3 | 9 |
| 2003 | 9 | 7 |
| 2004 | 7 | 28 |
| 2005 | 10 | 13 |
| 2006 | 10 | 11 |
| 2007 | 7 | 20 |
| 2008 | 9 | 26 |
| 2009 | 5 | 33 |
| 2010 | 11 | 49 |
| 2011 | 17 | 32 |
| 2012 | 23 | 36 |
| 2013 | 28 | 35 |
| 2014 | 27 | 22 |
| 2015 | 32 | 34 |
| 2016 | 21 | 40 |
| 2017 | 25 | 54 |
| 2018 | 40 | 29 |
| 2019 | 36 | 28 |
| 2020 | 26 | 17 |
| 2021 | 24 | 20 |
| 2022 | 14 | 10 |
| 2023 | 16 | 5 |
| 2024 | 13 | 7 |
| 2025 | 6 | 6 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Organic electroluminescent materials and devices31 Mar 2026US 12,593,378 B2Universal Display Corporation
- Device and method for synchronized light and sound emissions24 Feb 2026US 12,563,648 B2Agency for Science, Technology and Research
- High intensity BBL dimmable light source27 Jan 2026US 12,538,394 B2Signify Holding B. V.
- 4H-imidazo[1,2-a]imidazoles for electronic applications27 Jan 2026US 12,538,704 B2UDC Ireland Limited
- Method for producing a ceramic converter element, ceramic converter element, and optoelectronic component30 Dec 2025US 12,509,630 B2OSRAM Opto Semiconductors GmbH
- Light-emitting pixels, fabrics, and related components, products, and methods3 Sep 2026US 2026/0262146 A1Purdue Research Foundation
- Quantum dot solution, light-emitting element, display device, and method for forming light-emitting layer23 Jul 2026US 2026/0215074 A1Sharp Display Technology Corporation
- Method for producing a ceramic converter element, ceramic converter element, and optoelectronic component14 May 2026US 2026/0132334 A1OSRAM Opto Semiconductors GmbH
- Light-emitting element and display device14 May 2026US 2026/0136712 A1Sharp Display Technology Corporation
- Mask-free printable alternating-current electroluminescent film30 Apr 2026US 2026/0123128 A1Purdue Research Foundation
Most cited
By later US patents
- Organic electroluminescent cell713US 4,356,429 AEastman Kodak Company · 1982
- Organic electroluminescent multicolor image display device320US 5,294,869 AEastman Kodak Company · 1994
- Encapsulated quantum sized doped semiconductor particles and method of manufacturing same168US 6,048,616 APhilips Electronics N. A. Corporation · 2000
- Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same135US 6,180,029 B2Superior MicroPowders LLC · 2001
- Organic electroluminecence device134US 10,435,350 B2Idemitsu Kosan Co., Ltd. · 2019