Light color and intensity adjustable LED
US8624505B2 · kind B2 · utility
17Cited by
10References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 28, 2010 |
| Grant date | Jan 7, 2014 |
| Priority date | — |
| Expiry date | Jun 30, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An integrated photonic device includes a number of LEDs and a feedback mechanism that measures individual LED light outputs using a photo sensor via a light transmitter disposed in the vicinity of individual LEDs. A controller or driver adjusts a current driven to each LED using the detected values according to various logic based on the device application.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.