Thermal compensation in an integrated image sensor and lens assembly

Patent metadata

Field	Value
Publication number	US-11716526-B2
Application number	US-202217749939-A
Country	US
Kind code	B2
Filing date	May 20, 2022
Priority date	Apr 1, 2015
Publication date	Aug 1, 2023
Grant date	Aug 1, 2023

Abstract

An integrated image sensor and lens assembly including an image sensor, a lens barrel, and a lens element. The lens barrel configured to direct light to the image sensor. The lens barrel is a multiple segment lens barrel or a multiple subsection lens barrel. The multiple segment lens barrel or the multiple section lens barrel includes: a first segment or a first subsection, and a second segment or a second subsection. The lens element located within the lens barrel. The first segment or the first subsection is movable relative to the second segment or the second subsection.

First claim

What is claimed is:

1. An integrated image sensor and lens assembly comprising:
an image sensor;
a lens barrel configured to direct light to the image sensor, wherein the lens barrel is a multiple segment lens barrel or a multiple subsection lens barrel that comprises:
a first segment or a first subsection of the lens barrel, and
a second segment or a second subsection of the lens barrel; and

a first lens element located within the first segment or the first subsection of the lens barrel and a second lens element located within the second segment or the second subsection of the lens barrel,
wherein the first segment or the first subsection of the lens barrel and the first lens element are movable relative to the second segment or the second subsection of the lens barrel and the second lens element.

2. The integrated image sensor and lens assembly of claim 1 , wherein the first segment or the first subsection is coupled to the second segment or the second subsection by one or more temperature changing elements.

3. The integrated image sensor and lens assembly of claim 1 , wherein the lens element is located between the first segment or the first subsection and the second segment or the second subsection.

4. The integrated image sensor and lens assembly of claim 3 , wherein the lens element is directly connected to the lens barrel with an adhesive.

5. The integrated image sensor and lens assembly of claim 1 , further comprising:
a lens located over the lens barrel and configured to direct light towards the image sensor.

6. The integrated image sensor and lens assembly of claim 5 , wherein the lens element is movable relative to the lens.

7. The integrated image sensor and lens assembly of claim 1 , wherein the lens barrel includes a lens arm that is configured to connect the lens barrel to a camera lens mount.

8. A camera comprising:
a lens barrel comprising:
a first subsection; and
a second subsection;

lens elements located in the first subsection and other lens elements located in the second subsection; and
an image sensor aligned along an optical axis of the lens barrel that extends through the first subsection and the second subsection;
wherein the first subsection and the second subsection are separate pieces so that the first subsection is a first piece and the second subsection is a second piece discrete from the first piece; and
wherein the lens element in the first subsection is movable with the first subsection relative to the second subsection and the other lens elements in the second subsection.

9. The camera of claim 8 , wherein the first subsection and the second subsection are spaced apart a distance.

10. The camera of claim 8 , wherein the camera includes a tube portion that receives the lens barrel and connects the lens barrel within the camera.

11. The camera of claim 10 , wherein the lens barrel is connected to the tube portion by a threaded joint.

12. The camera of claim 8 , wherein the lens barrel includes offset inner surfaces that are parallel to the optical axis, and wherein the offset inner surfaces are perpendicular or diagonal with respect to the optical axis.

13. The camera of claim 8 , further comprising:
a fastening structure disposed on a surface of the lens barrel.

14. The camera of claim 13 , wherein the fastening structure is threads configured to connect the lens barrel to a camera lens mount of the camera.

15. A camera comprising:
a camera lens mount;
a lens barrel extendable into the camera lens mount, wherein the lens barrel comprises:
a first segment or a first subsection;
a second segment or a second subsection;
a first lens located within and connected to the first segment or the first subsection;
a second lens located within and connected to the second segment or the second subsection;
an optical axis extending through the lens barrel; and
a lens arm that couples the lens barrel to the camera lens mount; and

an image sensor substrate located at an end of the camera lens mount and aligned along the optical axis,
wherein the first segment or the first subsection and the first lens are movable relative to the image sensor substrate,
wherein movement of the first segment or the first subsection and the first lens changes a distance between the first lens and the second lens, and
wherein the second segment or the second subsection is located between the first segment or the first subsection and the image sensor substrate.

16. The camera of claim 15 , wherein the first segment or the first subsection and the second segment or the second subsection are connected by a spacer.

17. The camera of claim 16 , wherein a distance between the first subsection and the second subsection is a size of the spacer.

18. The camera of claim 15 , wherein the lens arm is a threaded joint that forms a threaded connection between the lens barrel and the camera lens mount.

19. The camera of claim 15 , wherein the lens barrel includes offset inner surfaces that are parallel to the optical axis and connected by a surface that is perpendicular or diagonal with respect to the optical axis.

20. The camera of claim 15 , wherein the image sensor substrate is physically affixed to the camera lens mount.

Assignees

• Gopro Inc

Inventors

• Graff Emilio

Classifications

• H04N23/55 Primary

  Optical parts specially adapted for electronic image sensors; Mounting thereof · CPC title

• G02B7/021

  for more than one lens · CPC title

• G02B7/028

  with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation · CPC title

• G02B9/64 Primary

  having more than six components · CPC title