Method for manufacturing a display unit

Patent metadata

Field	Value
Publication number	US-2015137106-A1
Application number	US-201414572109-A
Country	US
Kind code	A1
Filing date	Dec 16, 2014
Priority date	May 12, 2003
Publication date	May 21, 2015
Grant date	—

Abstract

A method for manufacturing a display unit is provided, and the method includes forming a first insulating film, forming a plurality of first electrodes on the first insulating film, forming a second insulating film on the first electrodes, forming a plurality of openings corresponding to the first electrodes, forming a plurality of organic layers formed in a shape of a stripe having notch parts, forming a second electrode on the organic layer having the notch parts is formed, and forming a protective film on the second electrode.

First claim

The invention is claimed as follows:

1 . A display unit comprising:
a first insulating film; a plurality of anode electrodes disposed on the first insulating film; a second insulating film disposed on the anode electrodes; a plurality of organic layers disposed on the anode electrodes; a cathode electrode disposed on the organic layer; an extraction electrode; a first wiring provided in a peripheral area of the plurality of anode electrodes; and a second wiring provided between two anode electrodes adjacent to one another in a column direction, wherein the cathode electrode is connected to the extraction electrode via the first wiring, and wherein the second wiring includes a plurality of contact regions, each of contact regions is disposed at the position between two anode electrodes adjacent to one another in a row direction.

2 . The display unit according to claim 1 , wherein the organic layers are provided over the two rows of the anode electrodes,

3 . The display unit according to claim 2 , wherein the organic layers have a stripe shape.

4 . The display unit according to claim 2 , wherein the organic layers are continuously provided over the two or more lines of the anode electrodes.

5 . The display unit according to claim 2 , wherein the organic layers have a notch part at a portion corresponding to the contact region.

6 . The display unit according to claim 5 , wherein the corresponding notch parts of adjacent organic layers are coincident with one another.

7 . The display unit according to claim 5 , wherein the second wiring connected to the cathode electrode at the contact region.

8 . The display unit according to claim 7 , wherein the second wiring is connected to the first wiring.

9 . The display unit according to claim 1 , wherein the cathode electrode is made of metal including at least one of silver (Ag), aluminum (Al), magnesium (Mg), calcium (Ca), and sodium (Na).

10 . The display unit according to claim 5 , further comprising a protective film disposed on the cathode electrode.

11 . The display unit according to claim 10 , wherein the protective film has a thickness from about 500 nm to about 10,000 nm.

12 . The display unit according to claim 10 , wherein the protective film includes at least one of silicon oxide (SiO2) and silicon nitride (SiN).

13 . The display unit according to claim 1 , wherein the first insulating film includes at least one of polyimide and silicon oxide (SiO2).

14 . The display unit according to claim 1 , wherein at least a portion of the first wiring is covered with the cathode electrode and directly connected to the cathode electrode.

15 . The display unit according to claim 1 , wherein the first wiring surrounding the plurality of anode electrodes in the peripheral area of the display unit.

16 . A display unit comprising:
a first insulating film; a plurality of anode electrodes disposed on the first insulating film; a second insulating film disposed on the anode electrodes; a plurality of organic layers disposed on the anode electrodes; a cathode electrode disposed on the organic layer; an extraction electrode; a first wiring provided in a peripheral area of the plurality of anode electrodes; and a second wiring provided between two rows of the anode electrodes adjacent to one another, wherein the cathode electrode is connected to the extraction electrode via the first wiring, and wherein the second wiring includes contact region at the position corresponding to respective anode electrodes.

17 . The display unit according to claim 16 , wherein the organic layers are provided over the two rows of the anode electrodes,

18 . The display unit according to claim 17 , wherein the organic layers have a stripe shape.

19 . The display unit according to claim 17 , wherein the organic layers are continuously provided over the two or more lines of the anode electrodes.

20 . The display unit according to claim 17 , wherein the organic layers have a notch part at a portion corresponding to the contact region.

21 . The display unit according to claim 20 , wherein the corresponding notch parts of adjacent organic layers are coincident with one another.

22 . The display unit according to claim 20 , wherein the second wiring connected to the cathode electrode at the contact region.

23 . The display unit according to claim 22 , wherein the second wiring is connected to the first wiring.

24 . The display unit according to claim 16 , wherein the cathode electrode is made of metal including at least one of silver (Ag), aluminum (Al), magnesium (Mg), calcium (Ca), and sodium (Na).

25 . The display unit according to claim 20 , further comprising a protective film disposed on the cathode electrode.

26 . The display unit according to claim 25 , wherein the protective film has a thickness from about 500 nm to about 10,000 nm.

27 . The display unit according to claim 25 , wherein the protective film includes at least one of silicon oxide (SiO2) and silicon nitride (SiN).

28 . The display unit according to claim 16 , wherein the first insulating film includes at least one of polyimide and silicon oxide (SiO2).

29 . The display unit according to claim 16 , wherein at least a portion of the first wiring is covered with the cathode electrode and directly connected to the cathode electrode.

30 . The display unit according to claim 16 , wherein the first wiring surrounding the plurality of anode electrodes in the peripheral area of the display unit.

Assignees

• Sony Corp

Inventors

• Yamaguchi Masaru

Classifications

• H10K59/80522

  combined with auxiliary electrodes · CPC title

• H10K59/80518

  Reflective anodes, e.g. ITO combined with thick metallic layers · CPC title

• H10K59/805

  Electrodes · CPC title

• H10K71/00

  Manufacture or treatment specially adapted for the organic devices covered by this subclass · CPC title

• H10K71/166

  using selective deposition, e.g. using a mask · CPC title