Y02B 20/30
Semiconductor lamps
Official title: Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Y02B20/30 (Semiconductor lamps) appears on 6,124 US grants and 6,640 published applications in this corpus.
Search patents in Y02B- Granted patents
- 6,124
- Published applications
- 6,640
- Assignees
- 1,880
- Inventors
- 8,271
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 11 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 19 | 0 |
| 1995 | 13 | 0 |
| 1996 | 23 | 0 |
| 1997 | 12 | 0 |
| 1998 | 29 | 0 |
| 1999 | 17 | 0 |
| 2000 | 35 | 0 |
| 2001 | 34 | 7 |
| 2002 | 31 | 36 |
| 2003 | 29 | 53 |
| 2004 | 42 | 82 |
| 2005 | 37 | 95 |
| 2006 | 61 | 118 |
| 2007 | 71 | 161 |
| 2008 | 92 | 215 |
| 2009 | 100 | 238 |
| 2010 | 142 | 347 |
| 2011 | 198 | 389 |
| 2012 | 284 | 503 |
| 2013 | 358 | 552 |
| 2014 | 539 | 644 |
| 2015 | 557 | 556 |
| 2016 | 632 | 503 |
| 2017 | 567 | 463 |
| 2018 | 458 | 402 |
| 2019 | 496 | 407 |
| 2020 | 387 | 251 |
| 2021 | 235 | 187 |
| 2022 | 154 | 130 |
| 2023 | 154 | 146 |
| 2024 | 117 | 81 |
| 2025 | 86 | 55 |
| 2026 | 31 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- LED lamp and misuse warning module thereof29 Sep 2026US 12,747,836 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Organic-light emitting diode11 Aug 2026US 12,704,230 B2Pictiva Displays International Limited
- Load control device having a wide output range11 Aug 2026US 12,707,545 B2Lutron Technology Company LLC
- Light emitting diode and LED drive apparatus28 Jul 2026US 12,696,363 B2Lynk Labs, Inc.
- LED lamp, integrated circuit and power supply module thereof21 Jul 2026US 12,687,265 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Organic-light emitting diode1 Oct 2026US 2026/0298429 A1Pictiva Displays International Limited
- Automatic switching circuit with enhanced phase-cut compatibility13 Aug 2026US 2026/0239505 A1Zhuhai Demi Technology Co., Ltd.
- Display lighting systems with circadian effects23 Jul 2026US 2026/0212793 A1Korrus, Inc.
- Turn-on procedure for a load control device2 Jul 2026US 2026/0189134 A1Lutron Technology Company LLC
- Multifunctional new phase-cut control circuit and its implementation method2 Jul 2026US 2026/0190192 A1Zhuhai Demi Technology Co., Ltd.
Most cited
By later US patents
- Illumination components1,698US 6,211,626 B1Color Kinetics Incorporated · 2001
- Multicolored LED lighting method and apparatus1,174US 6,016,038 AColor Kinetics Incorporated · 2000
- Lighting entertainment system987US 6,166,496 AColor Kinetics Incorporated · 2000
- Multicolored LED lighting method and apparatus852US 6,150,774 AColor Kinetics Incorporated · 2000
- Smart light bulb852US 6,528,954 B1Color Kinetics Incorporated · 2003