LED light distribution structure, light source module and lamp
US11668439B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 23, 2021 |
| Grant date | Jun 6, 2023 |
| Priority date | — |
| Expiry date | Dec 23, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Examples of the present disclosure disclose an LED light distribution structure, a light source module and a lamp. The LED light distribution structure includes a ring-shaped light distribution element and a plurality of LED chips; the ring-shaped light distribution element is provided with a light source cavity in a ring shape, and the light source cavity has a ring center and a center line surrounding the ring center in a ring shape; the plurality of LED chips are arranged in a ring shape in the light source cavity, each of the LED chips includes an LED and a chip substrate, and the LED is on the chip substrate; and LEDs on all the LED chips are uniformly arranged along a ring-shaped wiring line, the ring-shaped wiring line is in a concentric ring with the center line, and the ring-shaped wiring line is located inside or outside of the center line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.