Display device

Patent metadata

Field	Value
Publication number	US-9425434-B2
Application number	US-201414547610-A
Country	US
Kind code	B2
Filing date	Nov 19, 2014
Priority date	Jun 25, 2014
Publication date	Aug 23, 2016
Grant date	Aug 23, 2016

Abstract

A display device includes a display panel having an encapsulation substrate over a display substrate, at least one film on the display panel, a black matrix on the at least one functional film, and a viewing angle controller on the display panel and overlapping at least the black matrix.

First claim

What is claimed is:

1. A display device, comprising:
a display panel including an encapsulation over a display substrate;
at least one film on the display panel;
a black matrix on the at least one film; and
a viewing angle controller on the display panel and overlapping at least the black matrix, wherein:
the display panel includes an active area to display light of an image, a circuit area outside the active area, a sealing area outside the circuit area, and at least one transistor having a semiconductor active layer, at least one gate electrode, a source electrode, and a drain electrode, and
the viewing angle controller is in at least part of the sealing area and includes a same material and is on a same layer as the at least one gate electrode.

2. The device as claimed in claim 1 , wherein the viewing angle controller extends from the sealing area to inside the display panel and is subject to being viewed outside of the display device.

3. The device as claimed in claim 2 , wherein the black matrix extends from one area of the at least one film that corresponds to the sealing area to an edge of the at least one film.

4. The device as claimed in claim 1 , wherein:
the viewing angle controller is covered by an insulating layer, and
the encapsulation substrate is on the insulating layer.

5. The device as claimed in claim 1 , wherein:
the at least one gate electrode includes a plurality of gate electrodes on different layers with at least one insulating layer, and
the viewing angle controller includes a same material and is on a same layer as one of the gate electrodes.

6. The device as claimed in claim 1 , wherein:
a power supply wire electrically connected to the display panel and disposed in the circuit area, and
the viewing angle controller is on a different layer from the power supply wire and is electrically connected to the power supply wire through a via hole.

7. The device as claimed in claim 6 , wherein the power supply wire includes a same material and is on a same layer as the source or drain electrode.

8. The device as claimed in claim 1 , wherein:
a power supply wire is electrically connected to the display panel and is in the circuit area, and
the viewing angle controller is on a different layer from the power supply wire and is not connected to the power supply wire.

9. The device as claimed in claim 8 , wherein the power supply wire includes a same material and is on a same layer as the source or drain electrode.

10. The device as claimed in claim 1 , wherein the viewing angle controller includes a conductive material.

11. The device as claimed in claim 1 , wherein:
the at least one film includes at least one of a touch screen, a polarizing plate, or a cover window, and
the at least one film is an outermost film at an area of the black matrix.

12. The device as claimed in claim 1 , wherein the display panel is flexible.

13. The device as claimed in claim 1 , wherein the display panel is rigid.

14. The device as claimed in claim 1 , wherein the encapsulation substrate is on the display substrate and includes at least one organic film and at least one inorganic film.

15. The device as claimed in claim 1 , wherein the display includes:
at least one transistor on the display substrate; and
an organic light-emitting device electrically connected to the at least one transistor.

16. A display panel, comprising:
a film;
a black matrix over the film; and
a layer overlapping the black matrix,
wherein the layer is in an area adjacent a circuit area, wherein the layer is at a position to block a viewing distance area overlapping the black matrix, wherein the display panel includes an active area to display light of an image, a circuit area outside the active area, a sealing area outside the circuit area, and at least one transistor having a semiconductor active layer, at least one gate electrode, a source electrode, and a drain electrode, and wherein the viewing angle controller is in at least part of the sealing area and includes a same material and is on a same layer as the at least one gate electrode.

17. The panel as claimed in claim 16 , wherein the layer includes a conductive material.

18. The panel as claimed in claim 16 , wherein the area is a sealing area.

Assignees

• Samsung Display Co Ltd

Inventors

• Lee Jae-Yong
• Kwak Won-Kyu
• Kim Yang-Wan

Classifications

• H10K59/12

  Active-matrix OLED [AMOLED] displays · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• H10D86/431

  having different compositions, shapes, layouts or thicknesses of gate insulators in different TFTs · CPC title

• H10K59/875

  Arrangements for extracting light from the devices · CPC title

• H10K50/85

  Arrangements for extracting light from the devices · CPC title