Optoelectronic device and method for manufacturing the same
US-9224912-B2 · Dec 29, 2015 · 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 | H01L33/64 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 522 |
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 | 66 |
| 2016 | 58 |
| 2017 | 68 |
| 2018 | 60 |
| 2019 | 86 |
| 2020 | 59 |
| 2021 | 36 |
| 2022 | 38 |
| 2023 | 26 |
| 2024 | 22 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Supporting substrate for preparing semiconductor light-emitting device and semiconductor light-emitting device using supporting substrates
US-9224910-B2 · Dec 29, 2015 · US
Display apparatus and television receiving apparatus
US-9219212-B2 · Dec 22, 2015 · US
Optoelectronic module and method for producing an optoelectronic module
US-9209372-B2 · Dec 8, 2015 · US
Light emitting diode assembly
US-9203007-B2 · Dec 1, 2015 · US
Light emitting device package and light unit
US-9196814-B2 · Nov 24, 2015 · US
LED module
US-9190394-B2 · Nov 17, 2015 · US
Wiring substrate and semiconductor package
US-9192049-B2 · Nov 17, 2015 · US
Light emitting element and production method for same, production method for light-emitting device, illumination device, backlight, display device, and diode
US-9190590-B2 · Nov 17, 2015 · US
Aquaculture lighting devices and methods
US-9185888-B2 · Nov 17, 2015 · US
Nano structure semiconductor light emitting device, and system having the same
US-9184343-B2 · Nov 10, 2015 · US
Flexible LED device with wire bond free die
US-9179543-B2 · Nov 3, 2015 · US
Multi-chip light emitter packages and related methods
US-9172012-B2 · Oct 27, 2015 · US
Light emitting device package
US-9172004-B2 · Oct 27, 2015 · US
Light-emitting element mounting package having heat radiation route, manufacturing method of the same, and light-emitting element package
US-9166132-B2 · Oct 20, 2015 · US
Optoelectronic Semiconductor Component
US-2015295141-A1 · Oct 15, 2015 · US
Interdigitated multiple pixel arrays of light-emitting devices
US-2015294960-A1 · Oct 15, 2015 · US
Vertical solid-state transducers and high voltage solid-state transducers having buried contacts and associated systems and methods
US-9159896-B2 · Oct 13, 2015 · US
LED light source device and manufacturing method for the same
US-9159892-B2 · Oct 13, 2015 · US
Multiple voltage light emitter packages, systems, and related methods
US-2015267906-A1 · Sep 24, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L33/64?
- CPC H01L33/64 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L33/64 (Electricity)?
- Our database includes 522 publications tagged with this CPC code.
- Is patent activity under CPC H01L33/64 growing?
- Publication counts under this code: 22 in 2024 vs 3 in 2025 (latest complete years).