A light emitting die component formed by multilayer structures
US-2015364665-A1 · Dec 17, 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 | H01L33/647 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 694 |
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 | 65 |
| 2016 | 78 |
| 2017 | 78 |
| 2018 | 111 |
| 2019 | 111 |
| 2020 | 101 |
| 2021 | 63 |
| 2022 | 25 |
| 2023 | 32 |
| 2024 | 19 |
| 2025 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High power plastic leaded chip carrier with integrated metal reflector cup and direct heat sink
US-9209373-B2 · Dec 8, 2015 · US
ESD protection component and component comprising an ESD protection component and an LED
US-9209619-B2 · Dec 8, 2015 · US
Light emitting diode and light emitting device including the same
US-2015349232-A1 · Dec 3, 2015 · US
Led package
US-2015348950-A1 · Dec 3, 2015 · US
Interconnect devices for electronic packaging assemblies
US-2015348952-A1 · Dec 3, 2015 · US
Light emitting diode assembly
US-9203007-B2 · Dec 1, 2015 · US
Light emitting device
US-2015340575-A1 · Nov 26, 2015 · US
Vertical solid-state transducers having backside terminals and associated systems and methods
US-9196810-B2 · Nov 24, 2015 · US
Semiconductor light emitting device and method for manufacturing the same
US-9184361-B2 · Nov 10, 2015 · US
Wiring substrate
US-2015311417-A1 · Oct 29, 2015 · US
Multi-chip light emitter packages and related methods
US-9172012-B2 · Oct 27, 2015 · US
Islanded carrier for light emitting device
US-9172018-B2 · Oct 27, 2015 · US
Light emitting device package
US-9165912-B2 · Oct 20, 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
High performance light emitting diode with vias
US-2015295151-A1 · Oct 15, 2015 · US
Connection carrier for semiconductor chips and semiconductor component
US-9159658-B2 · Oct 13, 2015 · US
Semiconductor light emitting device
US-2015280094-A1 · Oct 1, 2015 · US
Light emitting diode and method of fabricating the same
US-2015280070-A1 · Oct 1, 2015 · US
Flip chip light emitting diode packaging structure
US-9147809-B1 · Sep 29, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L33/647?
- CPC H01L33/647 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L33/647 (Electricity)?
- Our database includes 694 publications tagged with this CPC code.
- Is patent activity under CPC H01L33/647 growing?
- Publication counts under this code: 19 in 2024 vs 11 in 2025 (latest complete years).