LED module with circuit board having a plurality of recesses for preventing total internal reflection
US9439280B2 · kind B2 · utility
24Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2014 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Sep 9, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/856
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An light emitting diode (LED) module includes a circuit board, a plurality of LED chips arranged on and electrically connected to the circuit board, and an encapsulant arranged on the circuit board and covering the LED chips, a plurality of first recesses defined in a first surface of the circuit board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.