Smart driver for an array of LEDs
US5684368A · kind A · utility
25Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1996 |
| Grant date | Nov 4, 1997 |
| Priority date | — |
| Expiry date | Jun 10, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/043
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A smart driver in combination with an LED including a column driver coupled to one terminal of the light emitting device and a row driver coupled to another terminal of the light emitting device to form an addressed circuit. A controllable power supply having terminals coupled to the column and row drivers and a control terminal connected to control power applied between the terminals in response to a control signal supplied thereto. A control circuit coupling the addressed circuit to the control terminal and supplying a unique control signal thereto, whereby a unique amount of power is applied to the addressed circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.