Light emitting device, driving method of light emitting device and electronic device
US-9847381-B2 · Dec 19, 2017 · 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 | H01L27/13 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 288 |
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 | 24 |
| 2016 | 25 |
| 2017 | 49 |
| 2018 | 38 |
| 2019 | 21 |
| 2020 | 26 |
| 2021 | 27 |
| 2022 | 33 |
| 2023 | 25 |
| 2024 | 17 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electronic device and electronic apparatus
US-9837451-B2 · Dec 5, 2017 · US
Structure for radiofrequency applications and process for manufacturing such a structure
US-9824915-B2 · Nov 21, 2017 · US
Device layer transfer with a preserved handle wafer section
US-9818637-B2 · Nov 14, 2017 · US
Display device
US-2017287951-A1 · Oct 5, 2017 · US
Semiconductor display device
US-2017256570-A1 · Sep 7, 2017 · US
Semiconductor device and method for manufacturing the same
US-9728631-B2 · Aug 8, 2017 · US
Three-dimensional metal resistor formation
US-2017154950-A1 · Jun 1, 2017 · US
Semiconductor on insulator substrate with back bias
US-9666615-B2 · May 30, 2017 · US
Semiconductor device, manufacturing method thereof, and electronic device
US-2017117299-A1 · Apr 27, 2017 · US
Light-emitting device and driving method
US-9601560-B2 · Mar 21, 2017 · US
Semiconductor device
US-9519175-B2 · Dec 13, 2016 · US
Deep trench sidewall etch stop
US-2016358954-A1 · Dec 8, 2016 · US
Semiconductor device and a method of manufacturing the same
US-9508630-B2 · Nov 29, 2016 · US
Semiconductor device and method for manufacturing the same
US-9508619-B2 · Nov 29, 2016 · US
Array substrate and manufacturing method thereof, display device
US-2016329363-A1 · Nov 10, 2016 · US
Semiconductor device and a method of manufacturing the same
US-9484286-B2 · Nov 1, 2016 · US
Semiconductor device and a method of manufacturing the same
US-9484287-B2 · Nov 1, 2016 · US
Memory device and semiconductor device
US-9472559-B2 · Oct 18, 2016 · US
Health data collecting system and semiconductor device
US-9450290-B2 · Sep 20, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L27/13?
- CPC H01L27/13 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L27/13 (Electricity)?
- Our database includes 288 publications tagged with this CPC code.
- Is patent activity under CPC H01L27/13 growing?
- Publication counts under this code: 17 in 2024 vs 3 in 2025 (latest complete years).