Display unit and electronic apparatus

Patent metadata

Field	Value
Publication number	US-2018261662-A1
Application number	US-201815981494-A
Country	US
Kind code	A1
Filing date	May 16, 2018
Priority date	Dec 27, 2013
Publication date	Sep 13, 2018
Grant date	—

Abstract

There are provided a display unit and an electronic apparatus that are capable of preventing color mixture in adjacent color pixels, and improving color reproducibility and chromaticity viewing angle. The display unit includes: a drive substrate having a plurality of pixels with a partition therebetween; and a first light shielding film provided on the partition.

First claim

1 . (canceled)

2 . A display device comprising:
a substrate; and a plurality of light emitting elements including a first light emitting element and a second light emitting element with a partition therebetween, wherein the first light emitting element includes a first anode electrode layer, a cathode electrode layer, and a first organic layer configured to emit a first light, the second light emitting element includes a second anode electrode layer, the cathode electrode layer, and a second organic layer configured to emit a second light, the first organic layer and the second organic layer are the same layer, a first light shielding film is provided between the first light emitting element and the second light emitting element from a plan view perspective, the first light shielding film being:
disposed between the substrate and the cathode electrode layer,
disposed between a second light shielding film and the partition, and
disposed on a light extraction side of the partition from a cross-section view perspective,
the second light shielding film is provided between the first light emitting element and the second light emitting element in the plan view perspective, the second light shielding film being disposed on the light extraction side of the partition from the cross-section view perspective, and the first light shielding film includes a conductive material.

3 . The display device according to claim 2 , wherein
the second light shielding film is disposed on the light extraction side of a plurality of color filters, and the second light shielding film overlaps with a boundary of two of the plurality of color filters which respectively correspond to the first light emitting element and the second light emitting element.

4 . The display device according to claim 3 , further comprising an insulating layer between the plurality of color filters and the cathode electrode layer, the plurality of color filters being in contact with the insulating layer.

5 . The display device according to claim 3 , wherein
the display device is a top-emission type display device, and the first light and the second light are extracted through the cathode electrode layer.

6 . The display device according to claim 5 , wherein the substrate, the first anode electrode layer and the second anode electrode layer, the first light shielding layer, the cathode electrode layer, the plurality of color filters, and the second light shielding layer are stacked in this order in a light extraction direction.

7 . The display device according to claim 3 , wherein the first light shielding film is set to a predetermined potential.

8 . The display device according to claim 3 , wherein the first light shielding film includes aluminum, chromium, gold, platinum, nickel, copper, tungsten, silver, or a combination thereof.

9 . The display device according to claim 3 , wherein the first light and the second light are white light.

10 . The display device according to claim 2 , wherein the first light shielding film is directly in contact with the partition.

11 . An electronic apparatus provided with a display device, the display device comprising:
a drive circuit; a substrate; and a plurality of light emitting elements including a first light emitting element and a second light emitting element with a partition therebetween, wherein the first light emitting element includes a first anode electrode layer, a cathode electrode layer, and a first organic layer configured to emit a first light, the second light emitting element includes a second anode electrode layer, the cathode electrode layer, and a second organic layer configured to emit a second light, the first organic layer and the second organic layer are the same layer, a first light shielding film is provided between the first light emitting element and the second light emitting element from a plan view perspective, the first light shielding film being:
disposed between the substrate and the cathode electrode layer,
disposed between a second light shielding film and the partition, and
disposed on a light extraction side of the partition from a cross-section view perspective,
the second light shielding film is provided between the first light emitting element and the second light emitting element in the plan view perspective, the second light shielding film being disposed on the light extraction side of the partition from the cross-section view perspective, and the first light shielding film includes a conductive material.

12 . The electronic apparatus according to claim 11 , wherein
the second light shielding film is disposed on the light extraction side of a plurality of color filters, and the second light shielding film overlaps with a boundary of two of the plurality of color filters which respectively correspond to the first light emitting element and the second light emitting element.

13 . The electronic apparatus according to claim 12 , further comprising an insulating layer between the plurality of color filters and the cathode electrode layer, the plurality of color filters being in contact with the insulating layer.

14 . The electronic apparatus according to claim 12 , wherein
the display device is a top-emission type display device, and the first light and the second light are extracted through the cathode electrode layer.

15 . The electronic apparatus according to claim 14 , wherein the substrate, the first anode electrode layer and the second anode electrode layer, the first light shielding layer, the cathode electrode layer, the plurality of color filters, and the second light shielding layer are stacked in this order in a light extraction direction.

16 . The electronic apparatus according to claim 12 , wherein the first light shielding film is set to a predetermined potential.

17 . The electronic apparatus according to claim 12 , wherein the first light shielding film includes aluminum, chromium, gold, platinum, nickel, copper, tungsten, silver, or a combination thereof.

18 . The electronic apparatus according to claim 12 , wherein the first light and the second light are white light.

19 . The electronic apparatus according to claim 11 , wherein the first light shielding film is directly in contact with the partition.

Assignees

• Sony Corp

Inventors

• Negishi Eisuke
• Teraguchi Shinichi
• Kudo Shuji

Classifications

• H10K59/38

  comprising colour filters or colour changing media [CCM] · CPC title

• H01L51/5221

  Electricity · mapped topic

• H01L27/322

  Electricity · mapped topic

• H01L27/3211

  Electricity · mapped topic

• H01L27/3246

  Electricity · mapped topic