Light-emitting diode, light-emitting diode package, and light-emitting device
US-2024047618-A1 · Feb 8, 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 | H01L33/385 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 623 |
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 | 62 |
| 2016 | 59 |
| 2017 | 82 |
| 2018 | 61 |
| 2019 | 73 |
| 2020 | 60 |
| 2021 | 56 |
| 2022 | 43 |
| 2023 | 58 |
| 2024 | 51 |
| 2025 | 18 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flip-chip light emitting diode and fabrication method
US-9219194-B2 · Dec 22, 2015 · US
Optoelectronic semiconductor chip
US-9214600-B2 · Dec 15, 2015 · US
Light emitting device and method of manufacturing the same
US-9209223-B2 · Dec 8, 2015 · US
Optoelectronic semi-conductor component
US-9209368-B2 · Dec 8, 2015 · US
Light-emitting device and method for manufacturing the same
US-2015349207-A1 · Dec 3, 2015 · US
Light-emitting structure
US-9196605-B2 · Nov 24, 2015 · US
Light emitting device
US-9190562-B2 · Nov 17, 2015 · US
Deep ultraviolet light emitting diode
US-9184339-B2 · Nov 10, 2015 · US
Semiconductor light emitting device and method for manufacturing the same
US-9184361-B2 · Nov 10, 2015 · US
Light emitting device package
US-2015311396-A1 · Oct 29, 2015 · US
Light emitting device
US-2015311395-A1 · Oct 29, 2015 · US
Light-emitting element and the light-emitting array having the same
US-2015311416-A1 · Oct 29, 2015 · US
Light-emitting diode and method of manufacturing the same
US-9166110-B2 · Oct 20, 2015 · US
Interdigitated multiple pixel arrays of light-emitting devices
US-2015294960-A1 · Oct 15, 2015 · US
Light-emitting device
US-9159881-B2 · Oct 13, 2015 · US
Light-emitting diode package and method of fabricating the same
US-9153745-B2 · Oct 6, 2015 · US
Nanowire-based optoelectronic device for light-emission
US-2015280060-A1 · Oct 1, 2015 · US
Light emitting device, method for manufacturing same, and body having light emitting device mounted thereon
US-2015280093-A1 · Oct 1, 2015 · US
Semiconductor light emitting device
US-9142727-B2 · Sep 22, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L33/385?
- CPC H01L33/385 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L33/385 (Electricity)?
- Our database includes 623 publications tagged with this CPC code.
- Is patent activity under CPC H01L33/385 growing?
- Publication counts under this code: 51 in 2024 vs 18 in 2025 (latest complete years).