DISPLAY DEVICE AND A METHOD OF DRIVING THE SAME
First Claim
1. A display device comprising:
- a pixel circuit comprising;
a switching transistor connected to a data line;
a storage capacitor connected to the switching transistor;
a driving transistor connected to the storage capacitor;
an organic light-emitting diode connected to the driving transistor; and
a sensing transistor connected between a sensing line and the driving transistor; and
a data-sensing circuit comprising;
a first selector connected to the data line and the sensing line;
a second selector connected to an output terminal of an amplifier, the first selector and a feedback capacitor, wherein the second selector selectively connects the output terminal of the amplifier to the first selector and the feedback capacitor;
a third selector connected to the sensing line; and
a fourth selector connected to the output terminal of the amplifier and the third selector.
1 Assignment
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Accused Products
Abstract
A display device includes: a pixel circuit including a switching transistor connected to a data line, a storage capacitor connected to the switching transistor, a driving transistor connected to the storage capacitor, an organic light-emitting diode connected to the driving transistor and a sensing transistor connected between a sensing line and the driving transistor; and a data-sensing circuit including a first selector connected to the data line and the sensing line, a second selector connected to an output terminal of an amplifier, he first selector and a feedback capacitor, where the second selector selectively connects the output terminal of the amplifier to the first selector and the feedback capacitor, a third selector connected to the sensing line, and a fourth selector connected to the output terminal of the amplifier and the third selector.
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Citations
30 Claims
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1. A display device comprising:
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a pixel circuit comprising; a switching transistor connected to a data line; a storage capacitor connected to the switching transistor; a driving transistor connected to the storage capacitor; an organic light-emitting diode connected to the driving transistor; and a sensing transistor connected between a sensing line and the driving transistor; and a data-sensing circuit comprising; a first selector connected to the data line and the sensing line; a second selector connected to an output terminal of an amplifier, the first selector and a feedback capacitor, wherein the second selector selectively connects the output terminal of the amplifier to the first selector and the feedback capacitor; a third selector connected to the sensing line; and a fourth selector connected to the output terminal of the amplifier and the third selector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A display device comprising:
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a pixel circuit comprising; a switching transistor connected to a data line; a storage capacitor connected to the switching transistor; a driving transistor connected to the storage capacitor; an organic light-emitting diode connected to the driving transistor; and a sensing transistor connected between the data line and the driving transistor; and a data-sensing circuit comprising; a first selector connected to the data line; a second selector connected to an output terminal of an amplifier, the first selector and a feedback capacitor, wherein the second selector selectively connects the output terminal of the amplifier to the first selector and the feedback capacitor; a third selector connected to the first selector; and a fourth selector connected to the output terminal of the amplifier and the third selector. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A method of driving a display device comprising:
- a pixel circuit comprising an organic light-emitting diode; and
a data-sensing circuit comprising a first selector connected a data line of the pixel circuit and a sensing line, a second selector which selectively connects an output terminal of an amplifier to the first selector and a feedback capacitor, a third selector connected to the sensing line, and a fourth selector connected to the output terminal of the amplifier and the third selector, the method comprising;initializing the pixel circuit, wherein the initializing the pixel circuit comprises; transferring a first reference voltage to the sensing line through the third selector, turning on a sensing transistor of the pixel circuit, which is connected to the sensing line in the pixel circuit, such that the first reference voltage is applied to the pixel circuit, transferring a second reference voltage received from an amplifier of the data-sensing circuit to the data line through the first selector, and turning on a switching transistor of the pixel circuit, which is connected to the data line in the pixel circuit, such that the second reference voltage is applied to the pixel circuit. - View Dependent Claims (26, 27, 28, 29, 30)
- a pixel circuit comprising an organic light-emitting diode; and
Specification