US 2015/0103062 A1 · DISPLAY DEVICE AND DRIVING METHOD THEREOF

Abstract

A display device according to an embodiment of the present invention includes: a pixel configured to emit light according to a data signal supplied to a data line, a power source voltage supplier configured to supply a power source voltage to the pixel, a driving transistor configured to drive the pixel to be emitted according to the data signal and the power source voltage, and a sensor configured to supply a test signal to a data line and to detect a sensing current flowing to the data line through the driving transistor according to the test signal.

Claims19

Dependent claims

A display device comprising:

a pixel configured to emit light according to a data signal supplied to a data line;
a power source voltage supplier configured to supply a power source voltage to the pixel;
a driving transistor configured to drive the pixel according to the data signal and the power source voltage;
and
a sensor configured to supply a test signal to the data line and to detect a sensing current flowing to the data line through the driving transistor according to the test signal.

2 more elements

A method for driving a display device comprising a pixel configured to emit a light according to a data signal supplied to a data line, a power source voltage supplier configured to supply a power source voltage to the pixel, and a driving transistor configured to drive the pixel according to the power source voltage, the method comprising:

supplying a test signal to the driving transistor through the data line;
and
detecting a sensing current flowing to the data line according to the test signal through the driving transistor.

Dependencies are inferred from the claim text.

Facts

Application

14/218,956Filed 18 Mar 2014

Priority

KR 10-2013-012060110 Oct 2013

Published

16 Apr 2015

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

G09G 3/3291
Details of drivers for data electrodes: in which the data driver supplies a variable data voltage for setting the current through, or the voltage…
G09G 2300/0814
Several active elements per pixel in active matrix panels: used for selection purposes, e.g. logical AND for partial update
G09G 2300/0819
Several active elements per pixel in active matrix panels: used for counteracting undesired variations, e.g. feedback or autozeroing
G09G 2320/0295
By monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel: by monitoring each display pixel

Display device and driving method thereof

Life of this patent

Display device and driving method thereof

Life of this patent

Abstract

Claims19