AMOLED microdisplay device with active temperature control
US9489887B2 · kind B2 · utility
0Cited by
4References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 30, 2012 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | May 6, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/041
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An active-matrix organic light-emitting diode microdisplay device having a temperature control system including a temperature sensor and a control means for regulating the temperature of the OLED. The temperature is regulated by a bias transistor within the circuit, operating as a function of the temperature of the panel, such that low panel temperatures cause an increase in voltage of the bias transistor which draws a higher current through the top voltage drive transistor for self-heating the area surrounding the OLED.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.