IP Library › Granted Patent US 11,024,653
Granted Patent B2
US 11,024,653 · App. 16/401,843 · Granted Jun 1, 2021

Display device

Inventor: Min Soo Kim (Seoul, KR)
Assignee: Samsung Display Co., Ltd.
H01L27/124G06F3/044G06F3/0412H05K1/118H05K5/0017
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Quick Facts
Patent No.
US 11,024,653
App. No.
16/401,843
Granted
Jun 1, 2021
Kind
B2
Abstract

A display device includes: a display panel; a first board connected to a side of a surface of the display panel and bent in a direction of the display panel to overlap with the display panel; a second board connected to another side of the surface of the display panel and bent in the direction of the display panel to overlap with the display panel; a driving member on the first board; and a first pressure sensing member on the second board, and the first board is connected to the second board.

Claims (53)

1. A display device comprising:

a display panel;

a first board connected to a side of a first surface of the display panel and bent in a direction of the display panel to overlap with the display panel;

a second board connected to another side of the first surface of the display panel and bent in the direction of the display panel to overlap with the display panel;

a driving member on the first board; and

a first pressure sensing member on the second board disposed on a second surface of the display panel that is opposite the first surface such that the second surface of the display panel is between the first surface and the first pressure sensing member,

wherein the first board is connected to the second board on the second surface of the display panel,

wherein the first board comprises a first portion attached to the side of the first surface of the display panel, and a second portion protruding from the first portion toward the other side of the display panel,

wherein the second portion of the first board is connected to the second board, and

wherein a width of the second portion is smaller than a width of the first portion.

2. The display device of claim 1 , wherein the driving member is electrically connected to the first pressure sensing member.

3. The display device of claim 2 , wherein the first pressure sensing member comprises a first conductive layer on a surface of the second board, and a second conductive layer on the first conductive layer.

4. The display device of claim 3 , wherein the first conductive layer comprises a shielding electrode.

5. The display device of claim 4 , further comprising:

a bracket on the second surface of the display panel and on a surface of the first pressure sensing member, the bracket covering the display panel and the first pressure sensing member,

wherein the bracket comprises a metallic material.

6. The display device of claim 5 , wherein the first pressure sensing member comprises a first insulating layer between the first conductive layer and the second conductive layer, and a second insulating layer between the second conductive layer and the bracket, and

wherein the second insulating layer comprises a dielectric material to insulate the second conductive layer from the bracket.

7. The display device of claim 6 , wherein the bracket forms a capacitance with the second conductive layer, with the second insulating layer therebetween.

8. The display device of claim 3 , further comprising a second pressure sensing member on the first board.

9. The display device of claim 8 , wherein the second pressure sensing member comprises:

a third conductive layer on a surface of the first board;

a fourth conductive layer on the third conductive layer;

a third insulating layer between the third conductive layer and the fourth conductive layer; and

a fourth insulating layer on the fourth conductive layer.

10. The display device of claim 9 , wherein the third conductive layer comprises a shielding electrode, and the fourth insulating layer comprises a dielectric material.

11. The display device of claim 1 , further comprising:

a touch panel above the display panel; and

a third board connected to a side of a surface of the touch panel and overlapping with the display panel in a thickness direction,

wherein the third board is connected to the first board.

12. A display device comprising:

a display panel;

a touch panel above the display panel;

a first printed circuit board connected to a side of a first surface of the display panel and bent in a direction of the display panel to overlap with the display panel;

a second printed circuit board connected to a side of a surface of the touch panel adjacent to another side of the display panel and bent in the direction of the display panel to overlap with the display panel;

a driving member on the first printed circuit board; and

a first pressure sensing member on the second printed circuit board disposed on a second surface of the display panel that is opposite the first surface such that the second surface of the display panel is between the first surface and the first pressure sensing member,

wherein the first printed circuit board is connected to the second printed circuit board on the second surface of the display panel,

wherein the first printed circuit board comprises a first portion attached to the side of the first surface of the display panel, and a second portion protruding from the first portion toward the other side of the display panel,

wherein the second portion of the first printed circuit board is connected to the second printed circuit board, and

wherein a width of the second portion is smaller than a width of the first portion.

13. The display device of claim 12 , wherein the driving member is electrically connected to the first pressure sensing member.

14. The display device of claim 12 , wherein the first pressure sensing member comprises:

a first conductive layer on the second printed circuit board;

a second conductive layer above the first conductive layer;

a first insulating layer between the first conductive layer and the second conductive layer; and

a second insulating layer on the second conductive layer.

15. The display device of claim 14 , further comprising a second pressure sensing member on the first printed circuit board.

16. The display device of claim 15 , wherein the second pressure sensing member comprises:

a third conductive layer on the first printed circuit board;

a fourth conductive layer above the third conductive layer;

a third insulating layer between the third conductive layer and the fourth conductive layer; and

a fourth insulating layer on the fourth conductive layer.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 2, 2019
From: KIM, MIN SOO
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 049066/0465 →
Priority Claims (1)
KR 10-2018-0112765 · Sep 20, 2018 · national
Continuity (1)
Related Publication 20200098793A1 · Mar 26, 2020
Cited By (1)
US 12,412,497