Display device and method of manufacturing the same

Patent metadata

Field	Value
Publication number	US-2024107826-A1
Application number	US-202318531693-A
Country	US
Kind code	A1
Filing date	Dec 7, 2023
Priority date	Dec 3, 2019
Publication date	Mar 28, 2024
Grant date	—

Abstract

A display device includes a display panel including a plurality of light emitting areas; and an input sensor disposed on the display panel and having a first conductive layer and a first insulating layer disposed on the first conductive layer. The first insulating layer includes a plurality of optical patterns that extend in a direction away from the first conductive layer.

First claim

What is claimed is:

1 . A display device comprising:
a display panel comprising a plurality of light emitting areas; and an input sensor which is disposed on the display panel and comprises a first conductive layer and a first insulating layer configured to cover the first conductive layer, wherein the first insulating layer comprises a plurality of lens patterns that protrude in a direction away from the first conductive layer, and wherein the plurality of lens patterns are spaced apart from each other, and a flat surface is defined in a region between the plurality of lens patterns.

2 . The display device of claim 1 , wherein the first insulating layer further comprises a lower insulating layer which is disposed below the plurality of lens patterns.

3 . The display device of claim 2 , wherein the flat surface is a portion of the lower insulating layer, and the lower insulating layer and the plurality of lens patterns comprise a same material.

4 . The display device of claim 2 , wherein the lower insulating layer and the plurality of lens patterns comprise an organic material.

5 . The display device of claim 1 , wherein the input sensor further comprises a second conductive layer disposed on the first insulating layer and a second insulating layer configured to cover the second conductive layer,
wherein a refractive index of the second insulating layer is greater than a refractive index of the first insulating layer.

6 . The display device of claim 5 , wherein the second insulating layer contacts substantially all of the plurality of lens patterns, the flat surface, and the second conductive layer.

7 . The display device of claim 1 , wherein the input sensor further comprises a base insulating layer disposed below the first conductive layer and the first insulating layer, and
wherein the flat surface is a portion of the base insulating layer.

8 . The display device of claim 7 , wherein the first insulating layer and the base insulating layer comprise different materials.

9 . The display device of claim 7 , wherein the first insulating layer comprises an organic material and the base insulating layer comprises an inorganic material.

10 . The display device of claim 1 , wherein a height of each of the plurality of lens patterns is less than a maximum thickness of the first insulating layer.

11 . The display device of claim 1 , wherein a height of each of the plurality of lens patterns is greater than or equal to a maximum thickness of the first insulating layer.

12 . A display device comprising:
a display panel comprising a plurality of light emitting areas; a base insulating layer disposed on the display panel and comprising an inorganic material; a first conductive layer comprising a plurality of openings overlapping the plurality of light emitting areas, respectively; and an organic layer disposed on the base insulating layer and covering the first conductive layer, wherein an upper surface of the organic layer overlapping one light emitting area among the plurality of light emitting areas comprises a plurality of curved upper surface portions.

13 . The display device of claim 12 , wherein the plurality of curved uppers surface portions are continuously connected to each other.

14 . The display device of claim 12 , wherein the upper surface of the organic layer further comprises a flat portion disposed between the plurality of curved upper surface portions.

15 . The display device of claim 12 , wherein a portion of the base insulating layer is exposed in a space between the plurality of curved upper surface portions.

16 . The display device of claim 12 , further comprising:
a second conductive layer disposed on the organic layer; and a cover layer covering the second conductive layer, wherein a refractive index of the cover layer is greater than a refractive index of the organic layer.

17 . The display device of claim 16 , wherein the cover layer is spaced apart from the base insulating layer and is not in contact therewith.

18 . The display device of claim 16 , wherein the cover layer is in contact with the base insulating layer in a space between the plurality of curved upper surface portions.

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Jungi
• Byun Jin-Su
• Lee Jaehun
• JEON Bogeon
• Jung Yang-Ho

Classifications

• H10K59/87

  Passivation; Containers; Encapsulations · CPC title

• G06F3/041

  Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means · CPC title

• H10K59/879 Primary

  comprising refractive means, e.g. lenses · CPC title

• H10K71/00

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

• H10K50/858

  comprising refractive means, e.g. lenses · CPC title