Semiconductor light emitting element driver circuit
US5514989A · kind A · utility
19Cited by
13References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1993 |
| Grant date | May 7, 1996 |
| Priority date | — |
| Expiry date | Dec 21, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/0428
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A driver circuit comprises a current mirror circuit including an output transistor, a load connected to a main electrode of the output transistor, and current supplying device for supplying a current to a control electrode of the output transistor. The output transistor controls a current flowing through the load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.