Integrated chip and manufacturing method therefor, and full-color integrated chip and display panel
US-12183868-B2 · Dec 31, 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 | H01L33/46 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 2,497 |
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 | 217 |
| 2016 | 244 |
| 2017 | 252 |
| 2018 | 283 |
| 2019 | 295 |
| 2020 | 290 |
| 2021 | 228 |
| 2022 | 209 |
| 2023 | 205 |
| 2024 | 208 |
| 2025 | 66 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light-emitting device
US-12155019-B2 · Nov 26, 2024 · US
Optoelectronic semiconductor chip
US-2024204138-A1 · Jun 20, 2024 · US
Method of manufacturing light emitting device
US-11973165-B2 · Apr 30, 2024 · US
Light Emitter With Coating Layers
US-2015380609-A1 · Dec 31, 2015 · US
Light-emitting device and lighting system
US-9224926-B2 · Dec 29, 2015 · US
GaN based light emitting devices utilizing dispersion bragg reflection layer
US-9224909-B2 · Dec 29, 2015 · US
Flip-chip light emitting diode and fabrication method
US-9219194-B2 · Dec 22, 2015 · US
Optical designs for high-efficacy white-light emitting diodes
US-9219205-B2 · Dec 22, 2015 · US
Light emitting diode and method of fabricating the same
US-2015364653-A1 · Dec 17, 2015 · US
Semiconductor device and method for manufacturing same
US-2015357525-A1 · Dec 10, 2015 · US
Shaped led for enhanced light extraction efficiency
US-2015340557-A1 · Nov 26, 2015 · US
Reflective contact layer system for an optoelectronic component and method for producing same
US-9196789-B2 · Nov 24, 2015 · US
Display panel pixel unit and display panel using the same
US-9196873-B1 · Nov 24, 2015 · US
Semiconductor light emitting device
US-9196808-B2 · Nov 24, 2015 · US
Semiconductor light emitting element and method for manufacturing the same
US-9196803-B2 · Nov 24, 2015 · US
Light emitting diode device and flip-chip packaged light emitting diode device
US-9196797-B2 · Nov 24, 2015 · US
Method for manufacturing led die
US-2015325753-A1 · Nov 12, 2015 · US
Method for separating growth substrate, method for manufacturing light-emitting diode, and light-emitting diode manufactured using methods
US-2015318436-A1 · Nov 5, 2015 · US
Radiation-emitting component and method for producing radiation-emitting components
US-9159889-B2 · Oct 13, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L33/46?
- CPC H01L33/46 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L33/46 (Electricity)?
- Our database includes 2,497 publications tagged with this CPC code.
- Is patent activity under CPC H01L33/46 growing?
- Publication counts under this code: 208 in 2024 vs 66 in 2025 (latest complete years).