A system having a light guide adapted to collect light from a light source, a light detector
attached to the light guide, a controller electrically connected to an output of the light …

(74) Attorney, Agent, or Firm—Nixon Peabody LLP (57) ABSTRACT Circuits for
programming, monitoring, and driving pixels in a display are provided. Circuits generally …

6,414,661 B1 7/2002 Shen et al. WO 2004/003877 1/2004 WO 2004034364 A1 4/2004
6,580,657 B2 6/2003 Sanford et al.. WO 2005/022498 3/2005 6,594,606 B2 7/2003 Everitt …

0001 1. Field of the Invention 0002 The present invention relates to calibration of cur rent
variations in the pixels/sub-pixels of an active matrix organic light-emitting diode (AMOLED) …

(57) ABSTRACT A system and method for driving an AMOLED display is provided. The
AMOLED display includes a plurality of pixel circuits. A voltage-programming scheme, a …

(57) ABSTRACT A system and method for deriving a sequence of OLED non-uniformity test
patterns. A pattern generator generates a full sequence of display patterns according to a …

The present invention relates to an organic light emitting diode display device capable of
sensing driving current of each pixel with a simple configuration to compensate for a …

5,589,847 A 5,670,973 A 5,748,160 A 5,815,303 A 6,097,360 A provided. The system
includes one or more pixels, each hav ing a light emitting device, a drive transistor for driving …

US8259044B2 - Method and system for programming, calibrating and driving a light
emitting device display - Google Patents US8259044B2 - Method and system for …

(57) ABSTRACT A system and method are disclosed for determining a pixel capacitance.
The pixel capacitance is correlated to a pixel age to determine a current correction factor …