Organic light emitting diode display
First Claim
1. An organic light emitting diode display device, comprising:
- a pixel array having a plurality of scan lines and a plurality of data lines that cross each other, a plurality of power voltage supply lines to which a high level power supply voltage is supplied and that are substantially parallel to the data lines, a plurality of reset lines substantially parallel to the scan lines, a plurality of organic light emitting diodes that emit light due to the high level power supply voltage from the power voltage supply line, and a plurality of organic light emitting diode drive circuits that drive the organic light emitting diode with data from the data line in response to a scan signal from the scan line and that is initialized in response to a reset signal from the reset line;
a scan drive circuit that supplies the scan signal to the scan lines;
a reset drive circuit that supplies the reset signal to the reset lines that initializes the organic light emitting diode drive circuit; and
a data drive circuit that supplies the data to the data lines respectively, wherein the scan drive circuit and the reset drive circuit are on a substrate including the pixel array.
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Accused Products
Abstract
This invention relates to an organic light emitting diode display device that is adaptive for preventing a characteristic change of a device which drives the organic light emitting diode and for securing reliability of the device. The organic light emitting diode display device includes: a pixel array having a plurality of scan lines and a plurality of data lines that cross each other, a plurality of power voltage supply lines to which a high level power supply voltage is supplied and that are substantially parallel to the data lines, a plurality of reset lines substantially parallel to the scan lines, a plurality of organic light emitting diodes that emit light due to the high level power supply voltage from the power voltage supply line, and a plurality of organic light emitting diode drive circuits that drive the organic light emitting diode with data from the data line in response to a scan signal from the scan line and that is initialized in response to a reset signal from the reset line; a scan drive circuit that supplies the scan signal to the scan lines; a reset drive circuit that supplies the reset signal to the reset lines that initializes the organic light emitting diode drive circuit; and a data drive circuit that supplies the data to the data lines respectively, wherein the scan drive circuit and the reset drive circuit are on a substrate including the pixel array.
200 Citations
35 Claims
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1. An organic light emitting diode display device, comprising:
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a pixel array having a plurality of scan lines and a plurality of data lines that cross each other, a plurality of power voltage supply lines to which a high level power supply voltage is supplied and that are substantially parallel to the data lines, a plurality of reset lines substantially parallel to the scan lines, a plurality of organic light emitting diodes that emit light due to the high level power supply voltage from the power voltage supply line, and a plurality of organic light emitting diode drive circuits that drive the organic light emitting diode with data from the data line in response to a scan signal from the scan line and that is initialized in response to a reset signal from the reset line;
a scan drive circuit that supplies the scan signal to the scan lines;
a reset drive circuit that supplies the reset signal to the reset lines that initializes the organic light emitting diode drive circuit; and
a data drive circuit that supplies the data to the data lines respectively, wherein the scan drive circuit and the reset drive circuit are on a substrate including the pixel array. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An organic light emitting diode display device, comprising:
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a pixel array having a plurality of scan lines and a plurality of data lines that cross each other, a plurality of power voltage supply lines to which a high level power supply voltage is supplied and that are substantially parallel to the data lines, a plurality of reset lines substantially parallel to the scan lines, a plurality of organic light emitting diodes that emit light due to the high level power supply voltage from the power voltage supply line, and a plurality of organic light emitting diode drive circuits that drive the organic light emitting diode with data from the data line in response to a scan signal from the scan line and that is initialized in response to a reset signal from the reset line;
a scan drive circuit that supplies the scan signals to the scan lines by plurality of stages that each have a first pull-up transistor that supplies the scan signal to the scan line in response to a voltage of a first Q node and a first pull-down transistor that discharges the scan line in response to a voltage of a first QB node;
a reset drive circuit that supplies the reset signals to the reset lines by a plurality of stages that each have a second pull-up transistor that supplies the reset signal to the reset line in response to a voltage of a second Q node and a second pull-down transistor that discharges the reset line in response to a voltage of a second QB node;
a first transistor that discharges the first Q node of the scan drive circuit in response to the reset signal; and
a second transistor that discharges the second Q node of the reset drive circuit in response to the scan signal. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. An organic light emitting diode display device, comprising:
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a pixel array having a plurality of scan lines and a plurality of data lines that cross each other, a plurality of power voltage supply lines to which a high level power supply voltage is supplied and that are substantially parallel to the data lines, a plurality of reset lines substantially parallel to the scan lines, a plurality of organic light emitting diodes that emit light due to the high level power supply voltage from the power voltage supply line, and a plurality of organic light emitting diode drive circuits that drive the organic light emitting diode with data from the data line in response to a scan signal from the scan line and that is initialized in response to a reset signal from the reset line;
a scan drive circuit that supplies the scan signals to the scan lines by a plurality of stages that each have a first pull-up transistor that supplies the scan signal to the scan line in response to a voltage of a first Q node and a first pull-down transistor that discharges the scan line in response to a voltage of a first QB node;
a reset drive circuit that supplies the reset signals to the reset lines by a plurality of stages that each have a first pull-up transistor that supplies the reset signal to the reset line in response to a voltage of a second Q node and a second pull-down transistor that discharges the reset line in response to a voltage of a second QB node;
a first transistor that discharges the scan line in response to the reset signal; and
a second transistor that discharges the reset line in response to the scan signal. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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Specification