Display device, method of manufacturing display device, and electronic apparatus with contact electrode
A display device of the present disclosure includes: an organic EL layer deposited on a circuit unit formed on a substrate via an insulating film; a cathode electrode deposited on the organic EL layer; a groove formed along a direction of arrangement of pixels between the pixels in the insulating film; and a contact electrode that is provided at a bottom of the groove and receives a predetermined potential. Moreover, the cathode electrode is electrically connected to the contact electrode in the groove.
1. A display device comprising:
an organic EL layer deposited on a circuit unit formed on a substrate via an insulating film;
a cathode electrode deposited on the organic EL layer;
a groove formed along a direction of arrangement of pixels between the pixels in the insulating film; and
a contact electrode that is provided at a bottom of the groove and receives a predetermined potential, wherein
the cathode electrode is electrically connected to the contact electrode in the groove, and
the contact electrode receives an equal potential across an entire light-emitting pixel area.
2. The display device according to claim 1 , wherein
an auxiliary electrode that electrically connects the cathode electrode and the contact electrode is provided on a side wall of the groove.
3. The display device according to claim 1 , wherein
a drive circuit unit of a light-emitting unit including the organic EL layer is formed on a semiconductor substrate.
4. A display device comprising:
an organic EL layer deposited on a circuit unit formed on a substrate via an insulating film;
a cathode electrode deposited on the organic EL layer;
a groove formed along a direction of arrangement of pixels between the pixels in the insulating film; and
a contact electrode that is provided at a bottom of the groove and receives a predetermined potential, wherein
the cathode electrode is electrically connected to the contact electrode in the groove,
a light-emitting pixel area is divided into a plurality of areas, and the contact electrode is electrically isolated for each of the plurality of areas, and
the contact electrode in each of the plurality of areas receives a potential different for each area.
5. An electronic apparatus including a display device according to claim 4 .
6. The electronic apparatus according to claim 5 , wherein
an auxiliary electrode that electrically connects the cathode electrode and the contact electrode is provided on a side wall of the groove.
7. The electronic apparatus according to claim 5 , wherein
a drive circuit unit of a light-emitting unit including the organic EL layer is formed on a semiconductor substrate.
8. A display device comprising:
an organic EL layer deposited on a circuit unit formed on a substrate via an insulating film;
a cathode electrode deposited on the organic EL layer;
a groove formed along a direction of arrangement of pixels between the pixels in the insulating film; and
a contact electrode that is provided at a bottom of the groove and receives a predetermined potential, wherein
the cathode electrode is electrically connected to the contact electrode in the groove, and
the organic EL layer is formed pixel by pixel with a monochromatic light-emitting organic EL material corresponding to a plurality of colors.
9. An electronic apparatus including a display device according to claim 8 .
10. The electronic apparatus according to claim 9 , wherein
an auxiliary electrode that electrically connects the cathode electrode and the contact electrode is provided on a side wall of the groove.
11. The electronic apparatus according to claim 9 , wherein
a drive circuit unit of a light-emitting unit including the organic EL layer is formed on a semiconductor substrate.
12. A display device comprising:
an organic EL layer deposited on a circuit unit formed on a substrate via an insulating film;
a cathode electrode deposited on the organic EL layer;
a groove formed along a direction of arrangement of pixels between the pixels in the insulating film; and
a contact electrode that is provided at a bottom of the groove and receives a predetermined potential, wherein
the cathode electrode is electrically connected to the contact electrode in the groove,
the organic EL layer is formed in common for all pixels with a white light-emitting organic EL material, and
white light emitted from the organic EL layer is dispersed by a color filter having an optical spectrum for a plurality of colors.
13. An electronic apparatus including a display device according to claim 12 .
14. The electronic apparatus according to claim 13 , wherein
an auxiliary electrode that electrically connects the cathode electrode and the contact electrode is provided on a side wall of the groove.
15. The electronic apparatus according to claim 13 , wherein
a drive circuit unit of a light-emitting unit including the organic EL layer is formed on a semiconductor substrate.
16. A method of manufacturing a display device, in manufacturing the display device including
an organic EL layer deposited on a circuit unit formed on a substrate via an insulating film, and
a cathode electrode deposited on the organic E layer, comprising:
forming a groove along a direction of arrangement of pixels between the pixels in the insulating film, and providing a contact electrode that receives a predetermined potential at a bottom of the groove; and
electrically connecting the cathode electrode to the contact electrode in the groove, wherein the contact electrode is configured to receive an equal potential across an entire light-emitting pixel area.
17. An electronic apparatus including a display device according to claim 1 .
18. The electronic apparatus according to claim 17 , wherein
an auxiliary electrode that electrically connects the cathode electrode and the contact electrode is provided on a side wall of the groove.
19. The electronic apparatus according to claim 17 , wherein
a drive circuit unit of a light-emitting unit including the organic EL layer is formed on a semiconductor substrate.