Light emission control device, display device, drive control device, and control device
US7864144B2 · kind B2 · utility
2Cited by
0References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2007 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Nov 3, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0626
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light emission control device has a drive current feeder supplying a drive current to a light-emitting element, a drive current controller controlling the current level of the drive current based on the number of pulses in an enable signal, and a resetter resetting the controlling of the current level of the drive current when the enable signal has remained in a predetermined logic state for a predetermined period. Thus configured, the light emission control device allows its turning-on and -off and drive current level to be controlled with a single-line interface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.