Light-emitting element package and lighting device having same
US-2024313188-A1 · Sep 19, 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 | H01L33/642 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 663 |
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 | 81 |
| 2016 | 80 |
| 2017 | 87 |
| 2018 | 72 |
| 2019 | 80 |
| 2020 | 79 |
| 2021 | 59 |
| 2022 | 33 |
| 2023 | 45 |
| 2024 | 38 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermoplastic Resin Composition Having Excellent Reflectivity
US-2015376400-A1 · Dec 31, 2015 · US
Led module with hermetic seal of wavelength conversion material
US-2015371975-A1 · Dec 24, 2015 · US
Wafer-level light emitting diode package and method of fabricating the same
US-9219196-B2 · Dec 22, 2015 · US
High power plastic leaded chip carrier with integrated metal reflector cup and direct heat sink
US-9209373-B2 · Dec 8, 2015 · US
Light-emitting device
US-2015349231-A1 · Dec 3, 2015 · US
Component Carrier and Component Carrier Arrangement
US-2015342027-A1 · Nov 26, 2015 · US
Light emitting device
US-2015340575-A1 · Nov 26, 2015 · US
LED module
US-9190394-B2 · Nov 17, 2015 · US
Semiconductor light emitting element and method for manufacturing the same
US-2015325555-A1 · Nov 12, 2015 · US
Light-emitting device
US-9184360-B2 · Nov 10, 2015 · US
Light emitting device with reduced epi stress
US-2015318459-A1 · Nov 5, 2015 · US
Light emitting device package and method of manufacturing the same
US-9172019-B2 · Oct 27, 2015 · US
Light emitting diode package and light emitting module comprising the same
US-9172020-B2 · Oct 27, 2015 · US
Substrate for LED, LED module, and LED bulb
US-9166133-B2 · Oct 20, 2015 · US
Lighting fixtures using solid state device and remote phosphors to produce white light
US-9163802-B2 · Oct 20, 2015 · US
Led package and method for manufacturing same
US-2015295149-A1 · Oct 15, 2015 · US
Structured Substrate
US-2015295155-A1 · Oct 15, 2015 · US
Light emitting device, method for manufacturing same, and body having light emitting device mounted thereon
US-2015280093-A1 · Oct 1, 2015 · US
Method for manufacturing liquid crystal display device
US-2015270438-A1 · Sep 24, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L33/642?
- CPC H01L33/642 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L33/642 (Electricity)?
- Our database includes 663 publications tagged with this CPC code.
- Is patent activity under CPC H01L33/642 growing?
- Publication counts under this code: 38 in 2024 vs 9 in 2025 (latest complete years).