LED display systems
US8963811B2 · kind B2 · utility
8Cited by
13References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2011 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Mar 9, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/06
- 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 series of gain adjustable fast charge current sources, 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.