Surge-protection arrangement
US-9516720-B2 · Dec 6, 2016 · US
in a series array of LEDs
in a series array of LEDs · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05B45/54 |
| Official title | in a series array of LEDs |
| Display label | in a series array of LEDs |
| Total patents | 355 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 40 |
| 2017 | 27 |
| 2018 | 39 |
| 2019 | 34 |
| 2020 | 38 |
| 2021 | 46 |
| 2022 | 29 |
| 2023 | 28 |
| 2024 | 24 |
| 2025 | 24 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and Method for Short-Circuit Detection in Load Chains
US-2016349304-A1 · Dec 1, 2016 · US
Illumination device
US-9510411-B2 · Nov 29, 2016 · US
Automatic short LED detection for light emitting diode (LED) array load
US-9502958-B2 · Nov 22, 2016 · US
Circuits for driving light sources
US-9497812-B2 · Nov 15, 2016 · US
Semiconductor light source driving apparatus and projection type display apparatus
US-9497822-B2 · Nov 15, 2016 · US
Optoelectronic component with protective circuit
US-2016323942-A1 · Nov 3, 2016 · US
Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDs
US-9472593-B2 · Oct 18, 2016 · US
CMOS adjustable over voltage ESD and surge protection for LED application
US-9451669-B2 · Sep 20, 2016 · US
Surge-protection arrangement
US-2016270161-A1 · Sep 15, 2016 · US
Led driving apparatus and driving method for continuously driving led
US-2016270168-A1 · Sep 15, 2016 · US
Light-emitting apparatus and lighting appliance provided with the same
US-2016249418-A1 · Aug 25, 2016 · US
Optoelectronic component with protective circuit
US-9418972-B2 · Aug 16, 2016 · US
Composite protection circuit, composite protection element, and led device for illumination
US-2016233201-A1 · Aug 11, 2016 · US
Lighting device and luminaire
US-9414451-B2 · Aug 9, 2016 · US
Driver circuit for efficiently driving a large number of LEDs
US-9408266-B2 · Aug 2, 2016 · US
Overvoltage protection circuit, overvoltage protection method and panel driving circuit
US-9401600-B2 · Jul 26, 2016 · US
Short-circuit protection circuit and electronic device
US-9370065-B2 · Jun 14, 2016 · US
Driving apparatus for a light emitting device and method for the same
US-9370059-B2 · Jun 14, 2016 · US
Device for supplying light sources with energy in a manner extending service life
US-2016165678-A1 · Jun 9, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B45/54?
- CPC H05B45/54 is the Cooperative Patent Classification code for “in a series array of LEDs.”
- How many patents are filed under CPC H05B45/54 (in a series array of LEDs)?
- Our database includes 355 publications tagged with this CPC code.
- Is patent activity under CPC H05B45/54 growing?
- Publication counts under this code: 24 in 2024 vs 24 in 2025 (latest complete years).