OLED display device featuring an antenna structure composed of a substrate integrated wave guide formed in a dielectric layer by a plurality of through-holes

Patent metadata

Field	Value
Publication number	US-12490624-B2
Application number	US-202217902472-A
Country	US
Kind code	B2
Filing date	Sep 2, 2022
Priority date	Dec 6, 2021
Publication date	Dec 2, 2025
Grant date	Dec 2, 2025

Abstract

Provided is an electronic device including a display layer on which an active region and a peripheral region adjacent to the active region are defined, and which includes a base layer, a sensor layer disposed on the display layer, including a plurality of sensing electrodes, and having a plurality of first slots defined thereon, and a lower member layer disposed below the display layer, wherein a plurality of first through-holes are defined in the base layer and the lower member layer, and when, viewed on a plane, the plurality of first through-holes are spaced apart from each other with respect to the plurality of first slots interposed therebetween.

First claim

What is claimed is:

1 . An electronic device comprising:
a display layer on which an active region and a peripheral region adjacent to the active region are defined, and which includes a base layer; a sensor layer disposed on the display layer, including a plurality of sensing electrodes, and having a plurality of first slots defined in the sensor layer; and a lower member layer disposed below the display layer, wherein a plurality of first through-holes are defined in the base layer and the lower member layer, and wherein, when viewed on a plane, the plurality of first through-holes are spaced apart from each other with respect to the plurality of first slots interposed therebetween.

2 . The electronic device of claim 1 , wherein, when viewed on the plane, the plurality of first through-holes and the plurality of first slots overlap the active region.

3 . The electronic device of claim 1 , wherein a metal is disposed along a side surface of each of the plurality of first through-holes.

4 . The electronic device of claim 1 , further comprising a cover layer disposed below the lower member layer, and having electrical conductivity.

5 . The electronic device of claim 4 , wherein, when viewed on the plane, the cover layer overlaps at least some of the plurality of first through-holes and at least some of the plurality of first slots.

6 . The electronic device of claim 1 , wherein the display layer further includes a common electrode disposed on the base layer, and
wherein a plurality of second slots respectively overlapping the plurality of first slots are defined in the common electrode.

7 . The electronic device of claim 1 , wherein, when viewed on the plane, the plurality of first through-holes overlap the plurality of sensing electrodes.

8 . The electronic device of claim 1 , wherein, when viewed on the plane, the plurality of first through-holes do not overlap the plurality of sensing electrodes.

9 . The electronic device of claim 1 , wherein the display layer further includes a flexible circuit film disposed in the peripheral region.

10 . The electronic device of claim 9 , wherein the flexible circuit film faces a side surface of the display layer.

11 . The electronic device of claim 9 , wherein the flexible circuit film includes a first metal layer, a dielectric layer disposed on the first metal layer, and a second metal layer disposed on the dielectric layer, and
wherein a plurality of second through-holes are defined in the dielectric layer.

12 . The electronic device of claim 11 , wherein a plurality of auxiliary slots are defined in the second metal layer, wherein, when viewed on a side surface, the plurality of second through-holes are spaced apart from each other with respect to the plurality of auxiliary slots interposed therebetween.

13 . The electronic device of claim 1 , wherein the plurality of first slots include a plurality of first row slots arranged in a first direction and a plurality of second row slots spaced apart from the plurality of first row slots in a second direction crossing the first direction, and arranged in the first direction.

14 . The electronic device of claim 1 , wherein the lower member layer includes:
a protective layer disposed below the base layer; and a heat dissipation sheet disposed below the protective layer.

15 . The electronic device of claim 1 , wherein the plurality of first slots are defined in a same layer as a layer on which the plurality of sensing electrodes are disposed.

16 . An electronic device comprising:
a display layer on which an active region and a peripheral region adjacent to the active region are defined, and which includes a base layer; a sensor layer disposed on the display layer, and including a plurality of sensing electrodes in which a plurality of first slots are defined; a lower member layer disposed below the display layer; and a cover layer disposed below the lower member layer, and having electrical conductivity, wherein a plurality of first through-holes, each of which is integrally penetrated, are defined in the base layer and the lower member layer, wherein, when viewed on a plane, the plurality of first slots are disposed between the plurality of first through-holes, and wherein, when viewed on the plane, the plurality of first slots and the plurality of first through-holes overlap the cover layer.

17 . The electronic device of claim 16 , wherein, when viewed on the plane, the plurality of first through-holes and the plurality of first slots overlap the active region.

18 . The electronic device of claim 16 , wherein a metal is coated along a surface of each of the plurality of first through-holes.

19 . The electronic device of claim 16 , wherein the display layer further includes a common electrode disposed on the base layer, and
wherein a plurality of second slots respectively overlapping the plurality of first slots are defined in the common electrode.

20 . The electronic device of claim 16 , wherein the plurality of first slots include a plurality of first row slots arranged in a first direction and a plurality of second row slots spaced apart from the plurality of first row slots in a second direction crossing the first direction, and arranged in the first direction.

Assignees

• Samsung Display Co Ltd
• Ulsan Nat Inst Science & Tech Unist
• Inist Ulsan National Institut Of Science And Tech

Inventors

• Kim Kiseo
• BYUN Gangil
• Sung Eunjin
• Yoon Sangrock
• Chun Seungwook
• Heo Jinmyeong

Classifications

• H10K50/87

  Arrangements for heating or cooling · CPC title

• H10K59/8794

  Arrangements for heating and cooling · CPC title

• H10K59/12

  Active-matrix OLED [AMOLED] displays · CPC title

• G06F2203/04111

  Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate · CPC title

• G06F3/0446

  using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes · CPC title