Touch control structure of an amoled display screen

Patent metadata

Field	Value
Publication number	US-2016306479-A1
Application number	US-201415102719-A
Country	US
Kind code	A1
Filing date	Dec 9, 2014
Priority date	Dec 9, 2013
Publication date	Oct 20, 2016
Grant date	—

Abstract

The present invention discloses a touch control structure of an active-matrix organic light-emitting diode display screen which is disposed on a display screen substrate, the touch control structure comprises a transmitting structure and a receiving structure that are mutually inductive, the transmitting structure further comprises a first encapsulation film, a first patterned electrode and a second encapsulation film, wherein the first encapsulation film is formed on an organic light-emitting diode device disposed on the display screen substrate, the first patterned electrode is formed on the first encapsulation film, and the second encapsulation film is formed upon the first patterned electrode; the receiving structure further comprises a flexible polymer foil sheet and a second patterned electrode formed on the flexible polymer foil sheet, wherein the flexible polymer foil sheet is adhered to the second encapsulation film, and the first patterned electrode and the second patterned electrode are oppositely disposed. By configuring the transmitting structure and the receiving structure that are mutually inductive, the present invention significantly simplifies the manufacture process, reduces the cost, and can also achieve flexible touch control.

First claim

1 . A touch control structure of an active-matrix organic light-emitting diode display screen, which is disposed on a display screen substrate, characterized in comprising a transmitting structure and a receiving structure that are mutually inductive, wherein,
the transmitting structure comprises a first encapsulation film, a first patterned electrode and a second encapsulation film, the first encapsulation film is formed on an organic light-emitting diode device disposed on the display screen substrate, the first patterned electrode is formed on the first encapsulation film, and the second encapsulation film is formed upon the first patterned electrode; the receiving structure comprises a flexible polymer foil sheet and a second patterned electrode formed on the flexible polymer foil sheet, the flexible polymer foil sheet is adhered to the second encapsulation film, and the first patterned electrode and the second patterned electrode are oppositely disposed.

2 . The touch control structure of an active-matrix organic light-emitting diode display screen in accordance with claim 1 , characterized in that, the first patterned electrode in the transmitting structure and the second patterned electrode in the receiving structure both have a bar-shaped pattern, and the patterns of the first patterned electrode and the second patterned electrode are formed to be overlapping and complementary patterns.

3 . The touch control structure of an active-matrix organic light-emitting diode display screen in accordance with claim 2 , characterized in that, the bar-shaped pattern of the first patterned electrode and the bar-shaped pattern of the second patterned electrode are arranged orthogonal to each other.

4 . The touch control structure of an active-matrix organic light-emitting diode display screen in accordance with claim 1 , characterized in that, the first encapsulation film is composed of multiple layers of films, including at least one layer of inorganic film.

5 . The touch control structure of an active-matrix organic light-emitting diode display screen in accordance with claim 4 , characterized in that, the first encapsulation film also includes one or more layers of organic films.

6 . The touch control structure of an active-matrix organic light-emitting diode display screen in accordance with claim 5 , characterized in that, the first patterned electrode and the second patterned electrode both have a thickness of 5 nm-1000 nm.

7 . The touch control structure of an active-matrix organic light-emitting diode display screen in accordance with claim 6 , characterized in that, the first encapsulation film and the second encapsulation film both have a thickness of 50 nm-5000 nm.

8 . The touch control structure of an active-matrix organic light-emitting diode display screen in accordance with claim 1 , characterized in that, the display screen substrate is a glass substrate or a flexible polymer substrate.

Assignees

• Kunshan New Flat Panel Display Technology Ct Co Ltd
• Kunshan Go-Visionox Opto-Electronics Co Ltd

Inventors

• Zhu Shaopeng
• Hirayama Hideo
• Huang Xiuqi

Classifications

• G06F2203/04102

  Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper · CPC title

• G09G2300/0426

  Layout of electrodes and connections · CPC title

• G06F2203/04103

  Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices · CPC title

• H10K59/12

  Active-matrix OLED [AMOLED] displays · CPC title

• G06F3/0412 Primary

  Digitisers structurally integrated in a display · CPC title