White light emitting diode with filtering layer and backlight module and display device comprising the same
US11256138B2 · kind B2 · utility
0Cited by
0References
15Claims
0Family size
Inventors
Key dates
| Filing date | Jun 17, 2020 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | Jun 17, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/856
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A white light emitting diode includes: a light emitting diode chip including a first surface and a second surface opposite to the first surface; an electrode disposed on the first surface of the light emitting diode; a phosphor layer disposed on the second surface of the light emitting diode; and a filtering layer disposed on the phosphor layer, wherein the filtering layer is a dual-band notch filtering layer or a triple-mode bandpass filtering layer. In addition, a backlight module and a display device using the aforementioned white light emitting diode are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.