Apparatus and method for powering LED driver
US9336704B2 · kind B2 · utility
5Cited by
0References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2013 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Jan 31, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/0264
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A driver circuit for an LED display panel has a first constant current driver to drive green LEDs, a second constant current driver to drive blue LEDs, and a third constant current driver to drive red LEDs. The driver circuit also has an analog power module electrically coupled to the first, the second, and the third constant current drivers. The analog power module has two or more power sources. The driver circuit further includes a digital controller for transmitting digital control signals to the analog driver. The digital controller is powered by a digital power module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.