LED apparatus and manufacturing method thereof
US10690318B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2017 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | Jan 25, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/855
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emitting diode (LED) apparatus is provided. The LED apparatus includes: an LED layer including a plurality of LEDs corresponding to a plurality of sub-pixels; a phosphor layer which is stacked on a top of the LED layer and includes a phosphor corresponding to at least a part of the plurality of sub-pixels; and a filter layer which is stacked on a top of the phosphor layer and includes a plurality of color filters corresponding to the plurality of sub-pixels, and each of the plurality of color filters includes a plurality of absorption films which are spaced from one another at predetermined intervals to absorb external light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.