H05B 45/52
In a parallel array of leds
Official title: in a parallel array of LEDs
H05B45/52 (In a parallel array of leds) appears on 217 US grants and 230 published applications in this corpus.
Search patents in H05B- Granted patents
- 217
- Published applications
- 230
- Assignees
- 155
- Inventors
- 476
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 3 |
| 2004 | 2 | 4 |
| 2005 | 5 | 4 |
| 2006 | 3 | 2 |
| 2007 | 2 | 3 |
| 2008 | 2 | 4 |
| 2009 | 4 | 1 |
| 2010 | 0 | 4 |
| 2011 | 5 | 5 |
| 2012 | 5 | 17 |
| 2013 | 3 | 14 |
| 2014 | 16 | 16 |
| 2015 | 15 | 9 |
| 2016 | 15 | 12 |
| 2017 | 10 | 14 |
| 2018 | 16 | 6 |
| 2019 | 7 | 12 |
| 2020 | 18 | 16 |
| 2021 | 23 | 25 |
| 2022 | 15 | 20 |
| 2023 | 13 | 10 |
| 2024 | 16 | 12 |
| 2025 | 8 | 10 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lighting module for exterior lighting of vehicles22 Sep 2026US 12,741,590 B2Hella GmbH & Co. KGaA
- Series connected parallel array of LEDs with output resistor16 Jun 2026US 12,660,061 B2Ledup Manufacturing Group Limited
- Electronic assembly and automotive luminous device2 Jun 2026US 12,648,069 B2Valeo Vision
- Light-emitting element driving device19 May 2026US 12,635,053 B2Rohm Co., Ltd.
- High-efficiency, energy-saving, safe dual-color LED control circuit14 Apr 2026US 12,604,385 B2
- Method of controlling serially-connected lighting devices9 Jul 2026US 2026/0194217 A1Lutron Technology Company LLC
- Direct-current centralizedly-driven lighting system9 Jul 2026US 2026/0197914 A1Nanning Mingjiuzhou Lighting Technology Co., Ltd
- Control circuit for a light-emitting diode string2 Jul 2026US 2026/0190197 A1Anapex Technology Inc.
- Light source driving systems and devices19 Mar 2026US 2026/0082469 A1O2Micro, Inc.
- Led lighting circuit and led luminaire comprising the same5 Feb 2026US 2026/0040418 A1Signify Holding B. V.
Most cited
By later US patents
- LED backlighting system223US 6,930,737 B2Visteon Global Technologies, Inc. · 2005
- Flexible led backlighting circuit121US 6,697,130 B2Visteon Global Technologies, Inc. · 2004
- Lighting control device112US 6,351,079 B1Schott Fibre Optics (UK) Limited · 2002
- Module for powering and monitoring light-emitting diodes98US 6,762,563 B2GELcore, LLC · 2004
- Lattice structure based LED array for illumination80US 6,194,839 B1Philips Electronics North America Corporation · 2001