Display apparatus

Patent metadata

Field	Value
Publication number	US-10068957-B2
Application number	US-201715440134-A
Country	US
Kind code	B2
Filing date	Feb 23, 2017
Priority date	Mar 18, 2016
Publication date	Sep 4, 2018
Grant date	Sep 4, 2018

Abstract

A display apparatus includes a substrate, a plurality of pixel electrodes disposed over the substrate, first metal patterns disposed over the plurality of pixel electrodes and between adjacent pixel electrodes, a first insulating layer disposed over the first metal patterns, second metal patterns disposed over the first insulating layer, in which each second metal pattern is electrically connected to one of the first metal patterns through a contact hole in the first insulating layer, and a light-blocking layer covering the second metal patterns and including first openings respectively corresponding to one of the plurality of pixel electrodes, in which each of the first openings exposes a portion of the first insulating layer.

First claim

What is claimed is:

1. A display apparatus, comprising:
a substrate;
a plurality of pixel electrodes disposed over the substrate;
first metal patterns disposed over the plurality of pixel electrodes and between adjacent pixel electrodes;
a first insulating layer disposed over the first metal patterns;
second metal patterns disposed over the first insulating layer, wherein each second metal pattern is electrically connected to a corresponding one of the first metal patterns through a contact hole in the first insulating layer; and
a light-blocking layer covering the second metal patterns and comprising first openings respectively corresponding to one of the plurality of pixel electrodes, wherein each of the first openings exposes a portion of the first insulating layer.

2. The display apparatus of claim 1 , further comprising:
a color filter disposed in each of the first openings.

3. The display apparatus of claim 1 , wherein the first insulating layer further comprises color filters for transmitting light of a plurality of frequency bands, wherein each of the color filters respectively corresponds to one of the pixel electrodes.

4. The display apparatus of claim 1 , Wherein the first insulating layer further comprises second openings, wherein each of the second openings respectively corresponds to one of the first openings of the light-blocking layer.

5. The display apparatus of claim 4 , wherein the first insulating layer further comprises a color filter disposed in each of the second openings.

6. The display apparatus of claim 1 , wherein the first insulating layer comprises second openings to correspond to at least a portion of the respective first openings of the light-blocking layer.

7. The display apparatus of claim 6 , wherein:
the plurality of pixel electrodes comprise a first pixel electrode, a second pixel electrode, and a third pixel electrode; and
one of the second openings of the first insulating layer corresponds to the second pixel electrode and another of the second openings of the first insulating layer corresponds to the third pixel electrode.

8. The display apparatus of claim 7 , wherein:
the first insulating layer comprises a first color filter for transmitting light of a first frequency band, a second color filter for transmitting light of a second frequency band, and a third color filter for transmitting light of a third frequency band; and
the first color filter corresponds to the first pixel electrode, the second filter corresponds to the second pixel electrode, and the third color filter corresponds to the third pixel electrode.

9. The display apparatus of claim 8 , wherein the second pixel electrode and the third pixel electrode are respectively disposed in the second openings of the first insulating layer.

10. The display apparatus of claim 1 , wherein:
the second metal patterns each comprise an upper surface and a side surface; and
the light-blocking layer does not cover the side surface of each of the second metal patterns.

11. The display apparatus of claim 1 , wherein at least one of the first metal patterns comprises an electrode pattern for a touch screen.

12. The display apparatus of claim 1 , further comprising:
an opposite electrode disposed over each of the plurality of pixel electrodes; and
an encapsulating layer covering the opposite electrode,
wherein the first metal patterns are disposed over the encapsulating layer.

13. A display apparatus, comprising:
a substrate;
a plurality of pixel electrodes disposed over the substrate;
first metal patterns disposed over the plurality of pixel electrodes and between adjacent pixel electrodes;
a first insulating layer disposed over the first metal patterns and comprising first openings, wherein the first openings respectively correspond to one of the plurality of pixel electrodes;
second metal patterns disposed over the first insulating layer, wherein each second metal pattern is electrically connected to a corresponding one of the first metal patterns through a contact hole in the first insulating layer; and
a color filter disposed in each of the first openings of the first insulating layer.

14. The display apparatus of claim 13 , wherein the first insulating layer comprises a light-blocking material.

15. The display apparatus of claim 14 , further comprising:
a second insulating layer covering the second metal patterns and comprising second openings, wherein each of the second openings respectively corresponds to one of the first openings of the first insulating layer.

16. The display apparatus of claim 15 , wherein the second insulating layer comprises a light-blocking material.

17. The display apparatus of claim 15 , wherein the second insulating layer comprises a low reflection metal.

18. The display apparatus of claim 17 , wherein a reflectivity of a first conductive material of the first metal patterns is lower than a reflectivity of a second conductive material of the second metal patterns.

19. The display apparatus of claim 13 , wherein at least one of the first metal patterns and at least one of the second metal patterns comprises an electrode pattern for a touch screen.

20. The display apparatus of claim 13 , further comprising:
an opposite electrode disposed over each of the plurality of pixel electrodes; and
an encapsulating layer covering the opposite electrode,
wherein the first metal patterns are disposed over the encapsulating layer.

21. A display apparatus, comprising:
a substrate;
a plurality of pixel electrodes overlapping the substrate;
first metal patterns overlapping the plurality of pixel electrodes;
a first insulating layer overlapping the first metal patterns and comprising first openings;
second metal patterns overlapping the first insulating layer and respectfully connected to the first metal patterns; and
a color filter disposed in each of the first openings of the first insulating layer.

22. The display apparatus of claim 21 , wherein the first insulating layer comprises a light-blocking material.

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Youngdae
• Kang Taewook

Classifications

• H01L51/5203

  Electricity · mapped topic

• H01L27/3272 Primary

  Electricity · mapped topic

• H01L27/14647

  Electricity · mapped topic

• H01L27/14603

  Electricity · mapped topic

• H01L27/3211

  Electricity · mapped topic