Display panel and driving method therefor, and display apparatus
AssigneeBoe Technology Group Co., Ltd.
InventorsQiang WANG, Libin LIU
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to the field of display technologies, and provides a display panel and a driving method thereof, and a display device. The display panel includes: an ultrasonic echo acquisition circuit and a light emitting circuit. The acquisition circuit includes a first circuit and an ultrasonic wave receiving sensor, wherein the first circuit has a first node coupled to the ultrasonic wave receiving sensor, a second node and a third node coupled to a scan signal terminal, a fourth node and a fifth node coupled to a control signal terminal, and a sixth node being an output terminal. The light emitting circuit includes a second circuit and a light emitting diode.
Claims20
A display panel, comprising:
- an ultrasonic echo acquisition circuit comprising a first circuit and an ultrasonic wave receiving sensor, wherein the first circuit has a first node coupled to a first electrode terminal of the ultrasonic wave receiving sensor, a second node and a third node coupled to a scan signal terminal, a fourth node and a fifth node coupled to a control signal terminal, and a sixth node being an output terminal of the ultrasonic echo acquisition circuit;
- and
- a light emitting circuit comprising a second circuit and a light emitting diode, wherein the second circuit has a first node coupled to a data signal terminal, a second node and a third node coupled to the scan signal terminal coupled to the ultrasonic echo acquisition circuit, a fourth node and a fifth node coupled to the control signal terminal coupled to the ultrasonic echo acquisition circuit, and a sixth node coupled to an input terminal of the light emitting diode.
A driving method of a display panel, comprising:
- providing an ultrasonic echo acquisition circuit comprising a first circuit and an ultrasonic wave receiving sensor, wherein the first circuit has a first node coupled to a first electrode terminal of the ultrasonic wave receiving sensor, a second node and a third node coupled to a scan signal terminal, a fourth node and a fifth node coupled to a control signal terminal, and a sixth node being an output terminal of the ultrasonic echo acquisition circuit;
- providing a light emitting circuit comprising a second circuit and a light emitting diode, wherein the second circuit has a first node coupled to a data signal terminal, a second node and a third node coupled to the scan signal terminal coupled to the ultrasonic echo acquisition circuit, a fourth node and a fifth node coupled to the control signal terminal coupled to the ultrasonic echo acquisition circuit, and a sixth node coupled to an input terminal of the light emitting diode;
- in a writing stage of the light emitting circuit, writing a scan signal simultaneously to the ultrasonic echo acquisition circuit and the light emitting circuit;
- and
- in a light emitting stage of the light emitting circuit, writing a control signal simultaneously to the ultrasonic echo acquisition circuit and the light emitting circuit.
A display device, comprising:
- a display panel comprising:
- an ultrasonic echo acquisition circuit comprising a first circuit and an ultrasonic wave receiving sensor, wherein the first circuit has a first node coupled to a first electrode terminal of the ultrasonic wave receiving sensor, a second node and a third node coupled to a scan signal terminal, a fourth node and a fifth node coupled to a control signal terminal, and a sixth node being an output terminal of the ultrasonic echo acquisition circuit;
- and
- a light emitting circuit comprising a second circuit and a light emitting diode, wherein the second circuit has a first node coupled to a data signal terminal, a second node and a third node coupled to the scan signal terminal coupled to the ultrasonic echo acquisition circuit, a fourth node and a fifth node coupled to the control signal terminal coupled to the ultrasonic echo acquisition circuit, and a sixth node coupled to an input terminal of the light emitting diode.
Dependencies are inferred from the claim text.