Display apparatus, manufacturing method of display apparatus, and electronic device
A display apparatus including: a display region provided with a plurality of pixel portions; wires installed to the respective pixel portions within the display region from an outside of the display region for transmitting a signal to drive the respective pixel portions; connection pads provided on the outside of the display region and serving as input portions to provide the wires with a signal while electrically conducting with the wires; switch elements provided on the outside of the display region in a middle of the wires; and a light shielding covering portion shielding the switch elements from light and formed to cover the connection pads while electrically conducting with the connection pads.
1. A display comprising:
a display region, wherein the display region comprises a pixel, and the pixel comprises:
an anode comprising a first material;
an electroluminescent material over the anode; and
a cathode over the electroluminescent material;
a transistor electrically connected to the pixel; and
a peripheral region surrounding the display region, wherein the peripheral region comprises:
a contact pad electrically connected to the transistor, wherein the contact pad comprises:
a first layer comprising the first material, and
a second layer comprising a second material different from the first material; and
a shielding layer over the contact pad, wherein the shielding layer comprises the first material.
2. The display of claim 1 , further comprising an insulation layer over the shielding layer.
3. The display of claim 2 , wherein the anode is over the insulation layer.
4. The display of claim 2 , wherein the insulation layer is over the anode.
5. The display of claim 1 , wherein the first material comprises aluminum.
6. The display of claim 5 , wherein the second material comprises titanium.
7. The display of claim 1 , wherein the second layer is over the first layer.
8. The display of claim 1 , wherein the transistor is a driving transistor configured to drive the pixel.
9. The display of claim 8 , wherein the driving transistor is in the display region.
10. The display of claim 1 , wherein the transistor is part of a switching element, and the shielding layer is over the transistor.
11. The display of claim 10 , further comprising a driving transistor electrically between the transistor and the pixel, wherein the driving transistor is configured to selectively connect the transistor to the pixel.
12. The display of claim 1 , further comprising:
a first wire electrically connecting the transistor to the contact pad; and
a second wire electrically connecting the transistor to the pixel.
13. A display comprising:
a display region, wherein the display region comprises a pixel, and the pixel comprises:
an anode comprising a first material;
an electroluminescent material over the anode; and
a cathode over the electroluminescent material;
a peripheral region surrounding the display region, wherein the peripheral region comprises:
a switching transistor electrically selectively connectable to the pixel;
a contact pad electrically connected to the switching transistor, wherein the contact pad comprises a second material different from the first material; and
a shielding layer over the contact pad and the switching transistor, wherein the shielding layer comprises the first material, and the shielding layer is a continuous film.
14. The display of claim 13 , wherein the switching transistor is between the pixel and the contact pad.
15. The display of claim 13 , wherein a width of the shielding layer in a plan view is greater than a width of the contact pad in the plan view.
16. The display of claim 13 , further comprising an insulating film, wherein a first portion of the shielding layer directly contacts the contact pad, and a second portion of the shielding layer is separated from the contact pad by the insulating film.
17. The display of claim 13 , further comprising an insulating film over the shielding layer.
18. The display of claim 17 , wherein the anode is over a portion of the insulating film.
19. The display of claim 17 , wherein the insulating film is over a portion of the anode.
20. A display comprising:
a display region, wherein the display region comprises a pixel, and the pixel comprises:
an anode comprising a first material;
an electroluminescent material over the anode; and
a cathode over the electroluminescent material;
a peripheral region surrounding the display region, wherein the peripheral region comprises:
a switching transistor electrically selectively connectable to the pixel;
a contact pad electrically connected to the switching transistor, wherein the contact pad comprises the first material and a second material different from the first material; and
a shielding layer over the switching transistor, wherein the shielding layer comprises the first material and is electrically connected to the contact pad.