PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME
First Claim
1. A pixel of an organic light emitting display device comprising:
- an organic light emitting diode coupled between a first power and a second power;
a pixel circuit coupled between the first power and the organic light emitting diode for supplying a driving current to the organic light emitting diode; and
a first transistor for supplying a reset voltage to an anode electrode of the organic light emitting diode during a first period when a previous scan signal is supplied to a previous scan line coupled to the first transistor.
2 Assignments
0 Petitions
Accused Products
Abstract
A pixel capable of improving response characteristics and displaying an image having a uniform image quality, and an organic light emitting display device using the same. The pixel includes an organic light emitting diode coupled between first power and second power; a pixel circuit coupled between the first power and the organic light emitting diode for supplying a driving current to the organic light emitting diode; and a first transistor for supplying a reset voltage to an anode electrode of the organic light emitting diode during a first period when a previous scan signal is supplied to a previous scan line.
-
Citations
12 Claims
-
1. A pixel of an organic light emitting display device comprising:
-
an organic light emitting diode coupled between a first power and a second power; a pixel circuit coupled between the first power and the organic light emitting diode for supplying a driving current to the organic light emitting diode; and a first transistor for supplying a reset voltage to an anode electrode of the organic light emitting diode during a first period when a previous scan signal is supplied to a previous scan line coupled to the first transistor. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. An organic light emitting display device comprising a plurality of pixels at crossing regions of scan lines, light-emitting control lines, and data lines,
each of the pixels comprising: -
an organic light emitting diode coupled between a first power and a second power; a pixel circuit coupled between the first power and the organic light emitting diode for supplying a driving current to the organic light emitting diode; and a first transistor for supplying a reset voltage to an anode electrode of the organic light emitting diode during a first period when a previous scan signal is supplied to a previous scan line of the scan lines. - View Dependent Claims (8, 9)
-
-
10. A method of driving a pixel of an organic light emitting display, the pixel comprising an organic light emitting diode coupled to a driving transistor, the pixel coupled to a scan line, a previous scan line, a light-emitting control line, and a data line, the method comprising:
-
after a previous frame and prior to applying a scan signal to the scan line in a current frame, setting a voltage at an anode of the organic light emitting diode to a reset voltage; applying the scan signal to the scan line; applying a data signal to the data line; and applying a light-emitting signal to the light-emitting control line to enable the organic light emitting diode to emit light, wherein the reset voltage remains substantially constant in the previous frame and the current frame. - View Dependent Claims (11, 12)
-
Specification