Working mode switching method and electronic device

Patent metadata

Field	Value
Publication number	US-2022114829-A1
Application number	US-202117558862-A
Country	US
Kind code	A1
Filing date	Dec 22, 2021
Priority date	Jun 24, 2019
Publication date	Apr 14, 2022
Grant date	—

Abstract

A working mode switching method and apparatus, a storage medium, and an electronic device are disclosed. The electronic device comprises a display screen, a first acousto-electric conversion module, and a second acousto-electric conversion module. The first acousto-electric conversion module and the second acousto-electric conversion module are located on one side of the display screen and connected to the display screen; and the first acousto-electric conversion module and the second acousto-electric conversion module are used for realizing the conversion between ultrasonic or acoustic signals and electrical signals.

First claim

What is claimed is:

1 . An electronic device, comprising:
a display screen; a first acousto-electric conversion module, wherein the first acousto-electric conversion module is located on one side of the display screen and connected to the display screen, and wherein the first acousto-electric conversion module is configured to implement conversion between ultrasonic or acoustic signals and electrical signals; and a second acousto-electric conversion module, wherein the second acousto-electric conversion module is located on one side of the display screen and connected to the display screen, and wherein the second acousto-electric conversion module is configured to implement conversion between ultrasonic or acoustic signals and electrical signals.

2 . The electronic device as claimed in claim 1 , wherein the first acousto-electric conversion module comprises:
a first piezoelectric material layer, wherein the first piezoelectric material layer is configured to transmit ultrasonic or acoustic signals while a driving signal is applied to the first piezoelectric material layer, and the first piezoelectric material layer is configured to receive ultrasonic or acoustic signals; and a first electrode layer connected to the first piezoelectric material layer, wherein the first electrode layer is configured to apply the driving signal to the first piezoelectric material layer.

3 . The electronic device as claimed in claim 2 , wherein the first electrode layer comprises:
a first sub-electrode layer disposed on one side of the first piezoelectric material layer and connected to the first piezoelectric material layer; and a second sub-electrode layer disposed on the other side of the first piezoelectric material layer and connected to the first piezoelectric material layer; wherein the first sub-electrode layer and the second sub-electrode layer are configured to apply the driving signal to the first piezoelectric material layer.

4 . The electronic device as claimed in claim 1 , wherein the second acousto-electric conversion module comprises:
a second piezoelectric material layer, wherein the second piezoelectric material layer is configured to transmit ultrasonic or acoustic signals in response to a driving signal being applied to the second piezoelectric material layer, and the second piezoelectric material layer is configured to receive ultrasonic or acoustic signals; and a second electrode layer connected to the second piezoelectric material layer, wherein the second electrode layer is configured to apply the driving signal to the second piezoelectric material layer.

5 . The electronic device as claimed in claim 4 , wherein the second electrode layer comprises:
a third sub-electrode layer disposed on one side of the second piezoelectric material layer and connected to the second piezoelectric material layer; a fourth sub-electrode layer disposed on the other side of the second piezoelectric material layer and connected to the second piezoelectric material layer; wherein the third sub-electrode layer and the fourth sub-electrode layer are configured to apply the driving signal to the second piezoelectric material layer.

6 . The electronic device as claimed in claim 1 , wherein the first acousto-electric conversion module is disposed on one side of the display screen away from a display surface, and the second acousto-electric conversion module is disposed on the side of the display screen away from the display surface.

7 . The electronic device as claimed in claim 1 , wherein one of the first acousto-electric conversion module and the second acousto-electric conversion module is located at a top of the display screen, and other of the first acousto-electric conversion module and the second acousto-electric conversion module is located at a bottom of the display screen.

8 . The electronic device as claimed in claim 1 , further comprising:
a cover plate, wherein the cover plate is located on one side of the display screen having a display surface; wherein the first acousto-electric conversion module is disposed between the display screen and the cover plate; wherein the second acousto-electric conversion module is disposed between the display screen and the cover plate.

9 . An electronic device, including:
a display screen; a first acousto-electric conversion module, wherein the first acousto-electric conversion module is located inside the display screen, and the first acousto-electric conversion module is configured to implement conversion between ultrasonic or acoustic signals and electrical signals; and a second acousto-electric conversion module, wherein the second acousto-electric conversion module is located inside the display screen, and the second acousto-electric conversion module is configured to implement conversion between ultrasonic or acoustic signals and electrical signals.

10 . The electronic device as claimed in claim 9 , wherein the display screen comprises:
a display layer configured to display information; a first substrate layer, wherein the first substrate layer is located on one side of the display layer; and a second substrate layer, wherein the second substrate layer is located on the other side of the display layer; wherein the first acousto-electric conversion module is located between the display layer and the first substrate layer or between the display layer and the second substrate layer; wherein the second acousto-electric conversion module is located between the display layer and the first substrate layer or between the display layer and the second substrate layer.

11 . The electronic device as claimed in claim 9 , wherein the first acousto-electric conversion module comprises:
a first piezoelectric material layer, wherein the first piezoelectric material layer is configured to transmit ultrasonic or acoustic signals in response to a driving signal being applied to the first piezoelectric material layer, and the first piezoelectric material layer is configured to receive ultrasonic or acoustic signals; the first electrode layer connected to the first piezoelectric material layer, wherein the first electrode layer is configured to apply the driving signal to the first piezoelectric material layer.

12 . The electronic device of claim 11 , wherein the first electrode layer comprises:
a first sub-electrode layer disposed on one side of the first piezoelectric material layer and connected to the first piezoelectric material layer; and a second sub-electrode layer disposed on the other side of the first piezoelectric material layer and connected to the first piezoelectric material layer; wherein the first sub-electrode layer and the second sub-electrode layer are configured to apply the driving signal to the first piezoelectric material layer.

13 . The electronic device as claimed in claim 9 , wherein the second acousto-electric conversion module comprises:
a second piezoelectric material layer, wherein the second piezoelectric material layer is configured to transmit ultrasonic or acoustic signals in response to a driving signal being applied to the second piezoelectric material layer, and the second piezoelectric material layer is configured to receive ultrasonic or acoustic signals; and a second electrode layer connected to the second piezoelectric material layer, wherein the second electrode layer is configured to apply the driving signal to the second piezoelectric material layer.

14 . The electronic device of claim 13 , wherein the second electrode layer comprises:
a third sub-electrode layer disposed on one side of the second piezoelectric mater

Assignees

• Guangdong Oppo Mobile Telecommunications Corp Ltd

Inventors

• Cui Zhijia
• Yang Le
• Wu Anping
• Zheng Chao
• Zhang Wenzhen

Classifications

• G06F1/1688

  the I/O peripheral being integrated loudspeakers · CPC title

• G06F1/1684

  Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 · CPC title

• G06F1/1626

  with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs] · CPC title

• G06V40/1306 Primary

  non-optical, e.g. ultrasonic or capacitive sensing · CPC title

• G06F1/1637

  Details related to the display arrangement, including those related to the mounting of the display in the housing · CPC title