Driving circuit for AMOLED display and driving method thereof

Details Driving circuit for AMOLED display and driving method thereof Driving circuit for AMOLED display and driving method thereof

2007-04-17

2007-04-17

Picardat, Kevin M. (Department: 2822)

Semiconductor device manufacturing: process

Making device or circuit emissive of nonelectrical signal

C438S028000, C438S034000, C257S079000, C257S088000, C257SE33013

Reexamination Certificate

active

11326861

ABSTRACT:
A driving circuit and method for an active matrix organic light emitting diode (AMOLED) display are provided. The driving circuit comprises a power circuit, a linear thermistor, and a pixel circuit. The power circuit provides an equivalent current. The linear thermistor coupled to the power circuit adjusts the equivalent current according to the temperature of the AMOLED display. The pixel circuit coupled to the power circuit comprises a driving transistor and a light emitting device. The driving transistor comprises a first end coupled to the power circuit, and the light emitting device coupled to a second end of the driving transistor is driven by the equivalent current to illuminate.

REFERENCES:
patent: 6693388 (2004-02-01), Oomura
patent: 2005/0110420 (2005-05-01), Arnold et al.
patent: 2005/0190171 (2005-09-01), Jang et al.
patent: 2006/0125734 (2006-06-01), Cok et al.
patent: 2006/0132400 (2006-06-01), Cok et al.

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