LED display systems
US8963810B2 · kind B2 · utility
7Cited by
14References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2011 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Jun 3, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/40
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An LED display system comprises an LED array and an LED driver circuit. An LED driver circuit comprises components including a phase lock loop, a pulse width modulation engine, a configuration register, a gain adjustable fast charge current source, and a serial input/output interface. The components in this driver circuit may be integrated on a same chip. The LED array may be arranged in a common cathode configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.