Micro light-emitting diode transfer device and method of transferring thereof
US-2024038939-A1 · Feb 1, 2024 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01L33/50 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 2,435 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 287 |
| 2016 | 225 |
| 2017 | 198 |
| 2018 | 236 |
| 2019 | 306 |
| 2020 | 284 |
| 2021 | 243 |
| 2022 | 232 |
| 2023 | 197 |
| 2024 | 168 |
| 2025 | 59 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light-emitting diode module having light-emitting diode joined through solder paste and light-emitting diode
US-2015380621-A1 · Dec 31, 2015 · US
Light-emitting device and lighting system
US-9224926-B2 · Dec 29, 2015 · US
Optical designs for high-efficacy white-light emitting diodes
US-9219205-B2 · Dec 22, 2015 · US
Optoelectronic semiconductor chip and method of production thereof
US-2015340561-A1 · Nov 26, 2015 · US
Light-radiating semiconductor component with a luminescence conversion element
US-9196800-B2 · Nov 24, 2015 · US
Light emitting device having photonic crystal structure
US-9190576-B2 · Nov 17, 2015 · US
Light emitting device with encapsulant formed with barriers and light emitting device package having the same
US-9190577-B2 · Nov 17, 2015 · US
Optical-semiconductor device
US-9190584-B2 · Nov 17, 2015 · US
Method for producing phosphor dispersion liquid and method for manufacturing LED device
US-9175215-B2 · Nov 3, 2015 · US
Lighting apparatus
US-9172006-B2 · Oct 27, 2015 · US
Semiconductor light emitting apparatus
US-9166118-B2 · Oct 20, 2015 · US
β-sialon and method of manufacturing thereof, and light-emitting device
US-9163175-B2 · Oct 20, 2015 · US
Light emitting device
US-9166122-B2 · Oct 20, 2015 · US
Phosphor mixture, optoelectronic component comprising a phosphor mixture, and street lamp comprising a phosphor mixture
US-9163176-B2 · Oct 20, 2015 · US
Remote phosphor LED device with broadband output and controllable color
US-9159885-B2 · Oct 13, 2015 · US
Light emitting device package and lighting system including the same
US-9159891-B2 · Oct 13, 2015 · US
Pixel array
US-2015287763-A1 · Oct 8, 2015 · US
Optoelectronic element and manufacturing method thereof
US-9142740-B2 · Sep 22, 2015 · US
Optoelectronic semiconductor component, and method for the manufacture of an optoelectronic semiconductor component
US-9142716-B2 · Sep 22, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L33/50?
- CPC H01L33/50 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L33/50 (Electricity)?
- Our database includes 2,435 publications tagged with this CPC code.
- Is patent activity under CPC H01L33/50 growing?
- Publication counts under this code: 168 in 2024 vs 59 in 2025 (latest complete years).