Organic EL device driving apparatus having temperature compensating function
US6376994B1 · kind B1 · utility
58Cited by
1References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2000 |
| Grant date | Apr 23, 2002 |
| Priority date | — |
| Expiry date | Jan 6, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/041
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An EL device driving apparatus enables substantial light emission luminance characteristics to be kept constant even if an environmental temperature fluctuates. The apparatus includes a driving unit for selectively supplying a light emission driving energy to EL devices, a temperature sensing unit for sensing an operation temperature, and a temperature compensating unit for changing the light emission driving energy in accordance with the operation temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.