A display device including: scan lines including first and second scan lines; pixels connected to the scan lines; photo sensors connected to some of the scan lines, the photo sensors including a first photo sensor connected to the first scan line and a readout line, and a second photo sensor connected to the second scan line and the readout line; a scan driver to provide scan signals to the scan lines; and a readout circuit to receive, through the readout line, detection signals which are outputted from the photo sensors in response to the scan signals, wherein, while the scan signals are provided to the first and second scan lines, the readout circuit samples a detection signal of one of the first photo sensor and the second photo sensor without sampling a detection signal of the other one of the first photo sensor and the second photo sensor.

An inexpensive display device with a narrow bezel is provided. The display device includes a first pixel including a light-emitting device, a second pixel including a light-receiving device, and a reading circuit for reading data obtained by the second pixel. The reading circuit includes a first circuit included in a mounted IC chip and a second circuit monolithically formed over a substrate over which a pixel circuit is formed. With this structure, a circuit corresponding to the second circuit can be omitted from the IC chip, so that the IC chip can be downsized.

An inexpensive display device with a narrow bezel is provided. The display device includes a first pixel including a light-emitting device, a second pixel including a light-receiving device, and a reading circuit for reading data obtained by the second pixel. The reading circuit includes a first circuit included in a mounted IC chip and a second circuit monolithically formed over a substrate over which a pixel circuit is formed. With this structure, a circuit corresponding to the second circuit can be omitted from the IC chip, so that the IC chip can be downsized.

A display device includes: a base layer; a circuit layer on the base layer; and an element layer on the circuit layer and comprising a plurality of light emitting elements and a plurality of light receiving elements, the element layer including: a pixel definition layer having a light emitting opening defined therethrough to correspond to the light emitting elements and a light receiving opening defined therethrough to correspond to the light receiving elements; a disconnected spacer layer adjacent to the light receiving opening on the pixel definition layer; and a common layer commonly in the light emitting elements and the light receiving elements and partially disconnected around the light receiving elements due to the disconnected spacer layer.

A display device includes: a base layer; a circuit layer on the base layer; and an element layer on the circuit layer and comprising a plurality of light emitting elements and a plurality of light receiving elements, the element layer including: a pixel definition layer having a light emitting opening defined therethrough to correspond to the light emitting elements and a light receiving opening defined therethrough to correspond to the light receiving elements; a disconnected spacer layer adjacent to the light receiving opening on the pixel definition layer; and a common layer commonly in the light emitting elements and the light receiving elements and partially disconnected around the light receiving elements due to the disconnected spacer layer.

A display device includes: a base layer; a display element layer on the base layer, and including a light emitting element, a light detection element, and a photovoltaic element adjacent to one another; a light shielding layer on the display element layer, and having a plurality of opening parts; and a color filter layer on the display element layer, and covering the plurality of opening parts. The light detection element and the photovoltaic element are located at the same layer as each other, the light detection element is to detect an external input based on incident light from the outside, and the photovoltaic element is to generate electrical energy based on the incident light.

A display device includes: a base layer; a display element layer on the base layer, and including a light emitting element, a light detection element, and a photovoltaic element adjacent to one another; a light shielding layer on the display element layer, and having a plurality of opening parts; and a color filter layer on the display element layer, and covering the plurality of opening parts. The light detection element and the photovoltaic element are located at the same layer as each other, the light detection element is to detect an external input based on incident light from the outside, and the photovoltaic element is to generate electrical energy based on the incident light.

A display device includes display pixels each including a light emitting part including a light emitting element and a pixel driver applying a driving current to the light emitting element, and light sensing pixels each including a light sensing part including an optical element and a sensing driver, the sensing driver applying a sensing current to a sensing line according to a photocurrent of the optical element. The sensing driver includes a first sensing transistor controlling the sensing current flowing through the sensing line according to a voltage of a first electrode of the optical element, and a second sensing transistor initializing the first electrode of the optical element to a first level voltage. A channel layer of the first sensing transistor and a channel layer of the second sensing transistor are made of different materials.

A display device includes display pixels each including a light emitting part including a light emitting element and a pixel driver applying a driving current to the light emitting element, and light sensing pixels each including a light sensing part including an optical element and a sensing driver, the sensing driver applying a sensing current to a sensing line according to a photocurrent of the optical element. The sensing driver includes a first sensing transistor controlling the sensing current flowing through the sensing line according to a voltage of a first electrode of the optical element, and a second sensing transistor initializing the first electrode of the optical element to a first level voltage. A channel layer of the first sensing transistor and a channel layer of the second sensing transistor are made of different materials.

An electronic substrate, a manufacturing method thereof and a display panel are provided. The electronic substrate includes a base substrate as well as a photosensitive unit and a touch structure which are provided on the base substrate. The photosensitive unit includes a first electrode layer, and the touch structure includes a first touch electrode layer. The first electrode layer and the first touch electrode layer are in a same first conductive layer and made of a same material, and the first electrode layer and the first touch electrode layer insulated from each other.