Light-emitting device and light source module including the same
US12402460B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 2021 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Feb 9, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/8582
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A light source module is provided. The light source module includes a printed circuit board; a light-emitting device mounted on the printed circuit board, the light-emitting device including a plurality of cell blocks, each of which includes a plurality of light-emitting cells; and a plurality of controllers mounted on the printed circuit board, each of which is configured to drive a cell block corresponding thereto, from among the plurality of cell blocks. The plurality of cell blocks are electrically isolated from each other, the plurality of cell blocks include a first cell block and a second cell block, and a number of first light-emitting cells included in the first cell block is less than a number of second light-emitting cells included in the second cell block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.