Display device having a pixel and a light sensor

1 . A display device comprising:

light-emitting elements for emitting light;

light-sensing elements for converting light into an electrical signal, and spaced apart from the light-emitting elements;

pixel drivers respectively connected to the light-emitting elements in a first row and a second row;

a first sensing driver between respective ones of the pixel drivers in the first row, and connected to a first one of the light-sensing elements;

a second sensing driver between respective ones of the pixel drivers in the second row, connected to a second one of the light-sensing elements, and not neighboring the first sensing driver in a second direction;

a first scan line extending along a first direction crossing the second direction, and connected to the first sensing driver;

a second scan line extending along the first direction, alternately arranged with the first scan line along the second direction, and connected to the second sensing driver;

a first dummy circuit comprising a first dummy electrode; and

a second dummy circuit comprising an other first dummy electrode,

wherein at least eight of the pixel drivers are between the first sensing driver and the other first sensing driver neighboring each other in the first direction, the at least eight of the pixel drivers being arranged in the first direction,

wherein at least one of the first sensing driver or the second sensing driver comprises a first sensing transistor having a gate electrode, and

wherein the first dummy electrode and the other first dummy electrode are electrically floating, and are at a same layer as the gate electrode of the first sensing transistor.

2 . The display device of claim 1 , wherein the first sensing driver is staggered with the second sensing driver along the second direction.

3 . The display device of claim 1 , wherein the first sensing driver is provided in plurality to be repeatedly arranged at intervals along the first row in the first direction, and

wherein the second sensing driver is provided in plurality to be repeatedly arranged at intervals along the second row in the first direction.

4 . The display device of claim 1 , wherein each of the pixel drivers is connected to the first scan line or the second scan line.

5 . The display device of claim 1 , wherein at least four of the pixel drivers are sequentially arranged along the first direction.

6 . The display device of claim 1 , further comprising: a first column readout line connected to the second sensing driver, and extending in the second direction; and

a second column readout line connected to the first sensing driver, extending in the second direction, and being alternately arranged with the first column readout line along the first direction.

7 . The display device of claim 6 , wherein the first sensing driver comprises:

the first sensing transistor, the first sensing transistor being configured to control a sensing current that flows to the second column readout line according to a voltage of the gate electrode; and

a second sensing transistor connected to the second column readout line and to the first sensing transistor by the first scan line.

8 . The display device of claim 1 , wherein the first dummy circuit is alternately arranged with the first sensing driver along the first direction, and

wherein the second dummy circuit is alternately arranged with the second sensing driver along the first direction, and alternately arranged with the first sensing driver along the second direction.

9 . The display device of claim 8 , wherein the first sensing transistor is configured to control for controlling a sensing current that flows to a readout line according to a voltage of the gate electrode.

10 . A display device comprising:

first row pixel drivers in first rows;

second row pixel drivers in second rows;

first sensing drivers and first areas alternately arranged in a first direction in the first rows, the first sensing drivers comprising a first sensing transistor comprising a gate electrode and configured to control a sensing current that flows to a readout line according to a voltage of the gate electrode;

second sensing drivers and second areas in the second rows, the second areas being alternately arranged with the first sensing drivers in a second direction crossing the first direction; and

first dummy circuits alternately arranged with the first sensing drivers along the first direction, and comprising a first dummy electrode at a same layer as the gate electrode of the first sensing transistor,

wherein at least one first row pixel driver among the first row pixel drivers is between one of the first sensing drivers and one of the first areas neighboring each other in the first direction, and

wherein at least one second row pixel driver among the second row pixel drivers is between one of the second sensing drivers and one of the second areas neighboring each other in the first direction.

11 . The display device of claim 10 , wherein the second sensing drivers and the second areas are alternately arranged in the first direction, and

wherein the second sensing drivers and the first areas are alternately arranged in the second direction.

12 . The display device of claim 10 , wherein the first sensing drivers and the first areas respectively overlap first row scan lines extending in the first direction, and

wherein the second sensing drivers and the second areas respectively overlap second row scan lines that extend in the first direction, and that are alternately arranged with the first row scan lines in the second direction.

13 . A display device comprising:

light-emitting portions for emitting light;

pixel drivers for supplying a driving current to the light-emitting portions;

light-sensing portions comprising photodiodes for sensing incident light, and spaced apart from the light-emitting portions;

a first sensing driver between respective ones of the pixel drivers in a first direction, and electrically connected to some of the light-sensing portions; and

a first sensing electrode connected to the first sensing driver for each group of the light-sensing portions, and comprising a connection portion directly connecting anodes of the photodiodes of the light-sensing portions, overlapping at least two pixel drivers among the pixel drivers, and between the light-emitting portions in plan view.

14 . The display device of claim 13 , wherein the first sensing driver is for supplying a sensing current to any one readout line among readout lines according to photocurrents of the light-sensing portions.

15 . The display device of claim 13 , further comprising:

a second sensing driver between neighboring ones of the pixel drivers neighboring each other in the first direction, electrically connected to light-sensing portions, and not neighboring the first sensing driver in a second direction crossing the first direction; and

a second sensing electrode connected to the second sensing driver for each group of the light-sensing portions.