Imaging module and electronic apparatus

Patent metadata

Field	Value
Publication number	US-11892749-B2
Application number	US-202117323718-A
Country	US
Kind code	B2
Filing date	May 18, 2021
Priority date	Nov 26, 2018
Publication date	Feb 6, 2024
Grant date	Feb 6, 2024

Abstract

An imaging module, including a substrate, a sensor assembly, a lens assembly and an adjustable lens assembly. The sensor assembly is arranged on the substrate and is configured to receive light passing through the adjustable lens assembly and the lens assembly. The adjustable lens assembly includes a piezoelectric actuator and an adjustable lens, and the piezoelectric actuator is configured to deform the adjustable lens through the action of an electrical signal and change a focal length of the imaging module.

First claim

What is claimed is:

1. An imaging module, comprising a substrate, a sensor assembly, a lens assembly and an adjustable lens assembly, the sensor assembly being arranged on the substrate and being configured to receive light passing through the adjustable lens assembly and the lens assembly, the adjustable lens assembly comprising a piezoelectric actuator and an adjustable lens, and the piezoelectric actuator being configured to deform the adjustable lens through the action of an electrical signal and change a focal length of the imaging module
wherein the adjustable lens assembly is arranged on the lens assembly, and the lens assembly is arranged between the substrate and the adjustable lens assembly,
wherein the lens assembly comprises a lens barrel and a lens arranged in the lens barrel, the adjustable lens assembly comprises at least two contact terminals, the contact terminal is connected to the piezoelectric actuator, a plurality of conductive members are arranged to the lens barrel, and both ends of at least two of the plurality of conductive members are electrically connected to the contact terminal and the substrate, respectively, to transmit the electrical signal.

2. The imaging module as claimed in claim 1 , wherein the conductive member is arranged to an outer surface of the lens barrel.

3. The imaging module as claimed in claim 2 , wherein the outer surface of the lens barrel is provided with a wire groove at a position corresponding to the conductive member, and the conductive member is arranged in the wire groove.

4. The imaging module as claimed in claim 1 , wherein the lens barrel has a top face, the adjustable lens assembly is coupled to the top face, the top face is provided with a relief groove, and the contact terminal extends into the relief groove and is electrically connected to the conductive member.

5. The imaging module as claimed in claim 1 , wherein the sensor assembly comprises a sensor and a package body, the sensor is configured to receive the light, the package body is configured to package the sensor, the lens barrel comprises a body and a connecting protrusion extending from the body, the connecting protrusion is provided with the conductive member, the package body is provided with a connecting groove, a contact is arranged on the substrate at a position corresponding to the connecting groove, and the connecting protrusion extends into the connecting groove to electrically connect the conductive member on the connecting protrusion with the contact.

6. The imaging module as claimed in claim 1 , wherein the adjustable lens assembly further comprises a frame arranged on the lens barrel, the piezoelectric actuator and the adjustable lens are arranged in the frame, and the contact terminal is fixed to the frame.

7. The imaging module as claimed in claim 6 , wherein the adjustable lens assembly further comprises a conductive shielding member arranged at an end of the frame facing away from the lens barrel, both ends of at least one of the plurality of conductive members are electrically connected to the shielding member and the substrate, respectively, to ground the shielding member.

8. The imaging module as claimed in claim 1 , wherein the adjustable lens assembly further comprises a membrane arranged between the piezoelectric actuator and the adjustable lens, the membrane is attached to the piezoelectric actuator and the adjustable lens,
the piezoelectric actuator is configured to transmit an acting force to the membrane, and the membrane is configured to deform and drive the adjustable lens to deform, when the piezoelectric actuator deforms.

9. An electronic apparatus, comprising:
a shell; and
an imaging module arranged to the shell, and comprising a substrate, a sensor assembly, a lens assembly and an adjustable lens assembly, the sensor assembly being arranged on the substrate and being configured to receive light passing through the adjustable lens assembly and the lens assembly, the adjustable lens assembly comprising a piezoelectric actuator and an adjustable lens, and the piezoelectric actuator being configured to deform the adjustable lens through the action of an electrical signal and change a focal length of the imaging module
wherein the adjustable lens assembly is arranged on the lens assembly, and the lens assembly is arranged between the substrate and the adjustable lens assembly,
wherein the lens assembly comprises a lens barrel and a lens arranged in the lens barrel, the adjustable lens assembly comprises at least two contact terminals, the contact terminal is connected to the piezoelectric actuator, a plurality of conductive members are arranged to the lens barrel, and both ends of at least two of the plurality of conductive members are electrically connected to the contact terminal and the substrate, respectively, to transmit the electrical signal.

10. The electronic apparatus as claimed in claim 9 , wherein an outer surface of the lens barrel is provided with a wire groove at a position corresponding to the conductive member, and the conductive member is arranged in the wire groove.

11. The electronic apparatus as claimed in claim 9 , wherein the lens barrel has a top face, the adjustable lens assembly is coupled to the top face, the top face is provided with a relief groove, and the contact terminal extends into the relief groove and is electrically connected to the conductive member.

12. The electronic apparatus as claimed in claim 9 , wherein the sensor assembly comprises a sensor and a package body, the sensor is configured to receive the light, the package body is configured to package the sensor, the lens barrel comprises a body and a connecting protrusion extending from the body, the connecting protrusion is provided with the conductive member, the package body is provided with a connecting groove, a contact is arranged on the substrate at a position corresponding to the connecting groove, and the connecting protrusion extends into the connecting groove to electrically connect the conductive member on the connecting protrusion with the contact.

13. The electronic apparatus as claimed in claim 9 , wherein the adjustable lens assembly further comprises a frame arranged on the lens barrel, the piezoelectric actuator and the adjustable lens are arranged in the frame, and the contact terminal is fixed to the frame.

14. The electronic apparatus as claimed in claim 13 , wherein the adjustable lens assembly further comprises a conductive shielding member arranged at an end of the frame facing away from the lens barrel, both ends of at least one of the plurality of conductive member are electrically connected to the shielding member and the substrate, respectively, to ground the shielding member.

15. The electronic apparatus as claimed in claim 9 , wherein the adjustable lens assembly further comprises a membrane arranged between the piezoelectric actuator and the adjustable lens, the membrane is attached to the piezoelectric actuator and the adjustable lens,
the piezoelectric actuator is configured to transmit an acting force to the membrane, and the membrane is configured to deform and drive the adjustable lens to deform, when the piezoelectric actuator deforms.

16. An imaging module, comprising:
a substrate;
a sensor assembly arranged on the substrate;
an adjustable lens assembly configured to be passed through by light; and
a lens assembly arranged between the sensor assembly and the adjustable lens assembly, and configured to be passed through by the light passing through the adjustable lens assembly, the sensor assembly being configured to receive

Assignees

• Guangdong Oppo Mobile Telecommunications Corp Ltd

Inventors

• Wei Yi
• Chen Jiawei

Classifications

• H04N23/20

  for generating image signals from infrared radiation only · CPC title

• G03B13/34 Primary

  Power focusing · CPC title

• H04N5/33

  Transforming infrared radiation (cameras or camera modules for generating image signals from infrared radiation H04N23/20; circuitry of SSIS for transforming infrared radiation into image signals H04N25/20) · CPC title

• H04N23/54 Primary

  Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils · CPC title

• H04M1/0264 Primary

  for a camera module assembly · CPC title