Patent ID: 9384698
Filing Date: 2016-07-05
CPC Classification: G09G

Claim Text:
1. A voltage-programmed display panel having a display area containing multiple pixels and allowing measurement of effects on pixels in the panel, comprising: a plurality of normal pixels to display an image under an operating condition, the normal pixels each being coupled to a supply line and a programming line for displaying images under said operating condition; a plurality of reference pixels included in the display area and coupled to said supply line and said programming line, the reference pixels being coupled to said supply line and said programming line in a manner that said reference pixels are controlled so that they are subject only to global effects on said display panel over time; a readout circuit coupled to said normal pixels and said reference pixels for reading at least one of current, voltage and charge from said normal and reference pixels when said normal and reference pixels are supplied with known input signals; and a controller coupled to each of said plurality of reference pixels and configured to