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`1.
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`A display device comprising:
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`a display panel configured to display an image;
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`an input sensor disposed on the display panel, the input sensor comprising transmission
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`electrodes and reception electrodeselectrically insulated from the transmission electrodes; and
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`a readout circuit connected to the input sensor,
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`wherein the readout circuit comprises:
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`a first transmission/reception circuit electrically connected to the reception
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`electrodes;
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`a second transmission/reception circuit electrically connected to the transmission
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`electrodes; and
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`a control circuit configured to:
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`transmit a transmission signal to the input sensor through oneofthe first
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`transmission/reception circuit and the second
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`transmission/reception circuit; and
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`receive a reception signal from the input sensor through the other of the
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`first transmission/reception circuit and the second
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`transmission/reception circuit.
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`2.
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`The display device of claim 1, wherein the input sensor comprises:
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`reception lines respectively connected between each of the reception electrodes and the
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`first transmission/reception circuit; and
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`transmission lines respectively connected between each ofthe transmission electrodes
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`and the second transmission/reception circuit.
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`3.
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`The display device of claim 2, wherein:
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`the first transmission/reception circuit comprises a plurality of first transceivers
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`respectively corresponding to the reception lines; and
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`each ofthe plurality of first transceivers comprises:
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`a transmitter;
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`a receiver; and
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`a switch configured to electrically connect any one of the transmitter and the
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`receiver to a corresponding reception line among the reception lines in
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`responseto a first selection signal;
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`the transmission signal from the control circuit is transmitted to the corresponding
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`reception line through the transmitter and the switch; and
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`the reception signal from the corresponding reception line is transmitted to the control
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`circuit through the switch and the receiver.
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`4.
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`The display device of claim 3, wherein the control circuit is configured to output
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`the first selection signal based on an operation mode.
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`5.
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`The display device of claim 2, wherein:
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`the second transmission/reception circuit comprises a plurality of second transceivers
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`respectively corresponding to the transmission lines, wherein:
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`each ofthe plurality of second transceivers includes:
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`a transmitter;
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`a receiver; and
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`a switch configured to electrically connect any one of the transmitter and the
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`receiver to a corresponding transmission line among the transmission lines
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`in response to a secondselection signal;
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`the transmission signal from the control circuit is transmitted to the corresponding
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`transmission line through the transmitter and the switch; and
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`the reception signal from the corresponding transmissionline is transmitted to the control
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`circuit through the switch and the receiver.
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`6.
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`The display device of claim 5, wherein the control circuit is configured to output
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`the second selection signal based on an operation mode.
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`7.
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`The display device of claim 2, wherein, during a first operation mode, the control
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`circuit is configured to:
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`transmit the transmission signal to the reception electrodes throughthefirst
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`transmission/reception circuit; and
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`receive the reception signal from the transmission electrodes through the second
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`transmission/reception circuit.
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`8.
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`The display device of claim 2, wherein, during a second operation mode, the
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`control circuit is configured to:
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`transmit the transmission signal to the transmission electrodes through the second
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`transmission/reception circuit; and
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`receive the reception signal from the reception electrodes throughthefirst
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`transmission/reception circuit.
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`9.
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`The display device of claim 2, wherein, during a third operation mode, the control
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`circuit is configured to:
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`transmit the transmission signal to the reception electrodes through thefirst
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`transmission/reception circuit; and
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`transmit the transmission signal to the transmission electrodes through the second
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`transmission/reception circuit.
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`10.
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`The display device of claim 2, wherein, during a fourth operation mode, the
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`control circuit is configured to:
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`receive the reception signal from the reception electrodes throughthefirst
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`transmission/reception circuit; and
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`receive the reception signal from the transmission electrodes through the second
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`transmission/reception circuit.
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`11.—The display device of claim 2, wherein, during a fifth operation mode, the control
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`circuit is configured to:
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`transmit the transmission signal to some ofthe transmission electrodes through the
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`second transmission/reception circuit; and
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`receive the reception signal from someofthe reception electrodes throughthefirst
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`transmission/reception circuit.
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`12.
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`The display device of claim 2, wherein, during a sixth operation mode, the control
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`circuit is configured to:
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`transmit the transmission signal to a first some of the transmission electrodes through the
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`second transmission/reception circuit; and
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`receive the reception signal from a second someofthe transmission electrodes through
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`the second transmission/reception circuit.
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`13.
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`The display device of claim 2, wherein, during a seventh operation mode, the
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`control circuit is configured to:
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`transmit the transmission signal to a first some of the reception electrodes through the
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`first transmission/reception circuit; and
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`receive the reception signal from a second someofthe reception electrodes through the
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`first transmission/reception circuit.
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`14.
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`The display device of claim 1, wherein the transmission electrodes and the
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`reception electrodes each have a mesh shape.
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`15.
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`A display device comprising:
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`a display panel configured to display an image;
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`an input sensor disposed on the display panel, the input sensor comprising transmission
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`electrodes and reception electrodeselectrically insulated from the transmission electrodes; and
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`a readout circuit connected to the input sensor,
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`wherein the readout circuit comprises:
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`a first transmission/reception circuit electrically connected to the reception
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`electrodes;
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`a second transmission/reception circuit electrically connected to the transmission
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`electrodes; and
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`a control circuit that, in a body composition measurement mode,is configuredto:
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`transmit a transmission signal to someof the transmission electrodes
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`through the second transmission/reception circuit; and
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`receive a reception signal from someofthe reception electrodes through
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`the first transmission/reception circuit.
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`16.
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`The display device of claim 15, wherein:
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`the first transmission/reception circuit comprises a plurality of first transceivers
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`respectively corresponding to the reception electrodes; and
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`each ofthe plurality of first transceivers is configured to transfer the reception signal
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`from a corresponding reception electrode to the control circuit in responsetoafirst selection
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`signal.
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`17.
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`The display device of claim 15, wherein:
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`the second transmission/reception circuit comprises a plurality of second transceivers
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`respectively correspondingto the transmission electrodes; and
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`each ofthe plurality of second transceivers is configured to transfer the transmission
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`signal from the control circuit to a corresponding transmission electrode in response to a second
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`selection signal.
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`18.
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`A display device comprising:
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`a display panel configured to display an image;
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`an input sensor disposed on the display panel, the input sensor comprising transmission
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`electrodes and reception electrodeselectrically insulated from the transmission electrodes; and
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`a readout circuit connected to the input sensor,
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`wherein the readout circuit comprises:
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`a first transmission/reception circuit electrically connected to the reception
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`electrodes;
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`a second transmission/reception circuit electrically connected to the transmission
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`electrodes; and
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`a control circuit that, in a body composition measurement mode,is configuredto:
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`transmit a transmission signal to a first some of the reception electrodes
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`throughthe first transmission/reception circuit; and
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`receive a reception signal from a second someofthe reception electrodes
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`throughthe first transmission/reception circuit, the second some of
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`the reception electrodes being different from the first some of the
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`reception electrodes.
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`19.
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`The display device of claim 18, wherein:
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`the first transmission/reception circuit comprises a plurality of first transceivers
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`respectively corresponding to the reception electrodes;
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`a first some ofthe plurality offirst transceivers transmit the transmission signal from the
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`control circuit to a corresponding reception electrode in responsetoafirst selection signal; and
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`a second someofthe plurality of first transceivers transfer the reception signal from a
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`corresponding reception electrode to the control circuit in responsetothefirst selection signal.
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`20.
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`The display device of claim 18, wherein the body composition measurement
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`modeis any one of a muscle mass measurement mode, a body fat mass measurement mode, and
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`a moisture level measurement mode.
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