Light-emitting device, display device, photoelectric conversion device, electronic equipment, illumination device, and mobile body

1 . A light-emitting device having a plurality of light-emitting elements, wherein

the light-emitting element has

a substrate having a transistor element that drives the light-emitting element,

a wiring layer that is arranged over the substrate, and

a light-emitting unit that is arranged over the wiring layer and includes an anode electrode, a light-emitting layer arranged on the anode electrode, and a cathode electrode arranged on the light-emitting layer, and

heater wiring is arranged between the light-emitting unit and the wiring layer in at least some of the plurality of the light-emitting elements.

2 . The light-emitting device according to claim 1 , wherein

the heater wiring is electrically independent from the anode electrode and the cathode electrode.

3 . The light-emitting device according to claim 1 , wherein

one side of the heater wiring is connected to a first power supply terminal or a control transistor, and other side thereof is connected to a second power supply terminal or a grounding power capable of generating a potential difference with the first power supply terminal.

4 . The light-emitting device according to claim 1 , wherein

the heater wiring is arranged so as to overlap a part of the anode electrode arranged in the light-emitting element in a plan view.

5 . The light-emitting device according to claim 1 , wherein

the heater wiring is arranged for each pixel including at least three light-emitting elements each having a different light-emitting color.

6 . The light-emitting device according to claim 5 , wherein

the heater wiring arranged in the light-emitting element has a length corresponding to light-emitting efficiency of a light-emitting color of the light-emitting element.

7 . The light-emitting device according to claim 5 , wherein

the heater wiring is not arranged in the light-emitting element having a color filter of a predetermined light-emitting color.

8 . The light-emitting device according to claim 1 , wherein

a pseudo light-emitting element having the light-emitting unit and the wiring layer is arranged in an outer peripheral region positioned on an outer periphery of a light-emitting element region in which the plurality of the light-emitting elements are arranged in a plan view, and

the heater wiring is arranged in a layer between the light-emitting unit and the wiring layer of the pseudo light-emitting element.

9 . The light-emitting device according to claim 8 , wherein

the heater wiring includes a plurality of wirings, and

the plurality of the wirings is arranged along a periphery of the light-emitting element region.

10 . The light-emitting device according to claim 1 , wherein

the heater wiring is made of same wiring as driving wiring that drives the light-emitting element.

11 . The light-emitting device according to claim 1 , wherein

the heater wiring is made of a material having a resistance value higher than a resistance value of metal wiring.

12 . The light-emitting device according to claim 11 , wherein

the material having the resistance value higher than the resistance value of the metal wiring includes at least any of titanium, tantalum, palladium, and magnesium.

13 . A display device comprising:

a display unit having the light-emitting device according to claim 1 ; and

a control circuit that controls the display unit.

14 . A photoelectric conversion device comprising:

an optical unit;

an imaging element that receives light having passed through the optical unit; and

a display unit that displays an image having been captured by the imaging element, wherein

the display unit has the light-emitting device according to claim 1 .

15 . Electronic equipment comprising:

a display unit having the light-emitting device according to claim 1 ;

a housing in which the display unit is arranged; and

a communication unit that is arranged in the housing and communicates with an outside.

16 . An illumination device comprising:

a light source having the light-emitting device according to claim 1 ; and

a light diffusion unit or an optical film that causes light from the light source to pass therethrough.

17 . A mobile body comprising:

a lighting unit having the light-emitting device according to claim 1 ; and

an airframe in which the lighting unit is arranged.