Camera, and method of manufacturing a plurality of cameras

Patent metadata

Field	Value
Publication number	US-9485397-B2
Application number	US-201113702671-A
Country	US
Kind code	B2
Filing date	Jun 10, 2011
Priority date	Jun 14, 2010
Publication date	Nov 1, 2016
Grant date	Nov 1, 2016

Abstract

In accordance with the invention, a camera or optical module for a camera is provided, the camera or optical module comprising: —a first substrate with a plurality of first optical devices, —a second substrate with a plurality of second optical devices, —and a spacer between the first substrate and the second substrate, the spacer having a first and a second attachment surface, the first substrate attached to the first attachment surface and the second spacer attached to the second attachment surface, —the spacer having a through hole from the first attachment surface to the second attachment surface so that there is an interior space between the first substrate and the second substrate, the interior space being hermetically closed off, —the first optical devices and the second optical devices being mutually arranged so that light impinging, from an object side, on a first optical device is directed to an assigned second optical device through the interior space, —the camera further comprising a screen device in the interior space, the screen device comprising one screening wall or at a plurality of screening walls, the screening wall(s) blocking off light portions from a first device from getting to a second device other than the assigned second device.

First claim

What is claimed is:

1. A camera or optical module for a camera, the camera or optical module comprising:
a first substrate with a first optical device or plurality of optical devices,
a second substrate with a second optical device or plurality of optical devices,
and a spacer between the first substrate and the second substrate, the spacer having a first and a second attachment surface, the first substrate attached to the first attachment surface and the second spacer attached to the second attachment surface,
the spacer having a through hole from the first attachment surface to the second attachment surface so that there is an interior space between the first substrate and the second substrate, the interior space being closed off,
the first optical device(s) and the second optical device(s) being mutually arranged so that light impinging, from an object side, on the first optical device(s) is directed to the second optical device(s),
the camera further comprising a screen device in the interior space, wherein a shape of the screen device and a shape of the interior space are adapted to each other such that the screen device can move within the interior space, and the screen device blocking off stray light portions.

2. The camera or optical module according to claim 1 , further comprising a third optical device or a plurality of third optical devices, each third optical device comprising an image sensor.

3. The camera or optical module according to claim 1 , wherein the interior space is hermetically sealed from an outside.

4. The camera or optical module according to claim 1 , wherein the screen device or screen comprises at least one screening wall ranging from an image-side surface of the first substrate to an object-side surface of the second substrate.

5. The camera or optical module according to claim 1 , wherein each first optical device comprises a lens.

6. The cameral or optical module according to claim 5 , wherein each second optical device comprise a lens or an image sensor.

7. The camera or optical module according to claim 1 , wherein the screen device engages positioning features of the spacer and/or of at least one of the first and second substrates.

8. The camera or optical module according to claim 7 , wherein the positioning features comprise grooves in a sidewall of the through hole of the spacer.

9. The camera or optical module according to claim 1 , wherein the first substrate comprises a plurality of first optical devices, wherein the second substrate comprises a second plurality of second optical devices, wherein the first optical devices and the second optical devices are mutually arranged so that light impinging, from an object side, on a first optical device is directed to an assigned second optical device through the interior space, and wherein the screen device comprise a portion blocking off light portions from a first device from getting to a second device other than the assigned second device.

10. The camera or optical module according to claim 9 , wherein said screen device portion is at least one screening wall.

11. The camera or optical module according to claim 9 , wherein the second optical devices comprise image sensors, each capable of capturing a sub-image, the camera further comprising a camera electronics, wherein the camera electronics is capable of calculating a single image from the plurality of sub-images or comprises an interface to a computing device capable of calculating a single image from the plurality of sub-images.

12. The camera or optical module according to claim 9 , wherein to each first optical device an aperture is assigned, whereby light traversing the aperture from an object side is directed via the first optical device to the assigned second device.

13. The camera or optical module according to claim 9 , further comprising a plurality of third optical devices, each third optical device comprising an image sensor, wherein each third optical device is assigned to a first optical device and to a second optical device, each image sensor capable of capturing a sub-image, the camera further comprising a camera electronics, wherein the camera electronics is capable of calculating a single image from the plurality of sub-images or comprises an interface to a computing device capable of calculating a single image from the plurality of sub-images.

14. A multi-aperture camera or optical module for a multi-aperture camera, comprising:
a first substrate with a plurality of first optical devices,
a second substrate with a plurality of second optical devices,
and a spacer between the first substrate and the second substrate, the spacer having a first and a second attachment surface, the first substrate attached to the first attachment surface and the second spacer attached to the second attachment surface,
the spacer having a through hole from the first attachment surface to the second attachment surface so that there is an interior space between the first substrate and the second substrate,
the first optical devices and the second optical devices being mutually arranged so that light impinging, from an object side, on a first optical device is directed to an assigned second optical device through the interior space,
the camera further comprising a screen in the interior space, wherein a shape of the screen and a shape of the interior space are adapted to each other such that the screen can move within the interior space, and the screen blocking off light portions from a first device from getting to a second device other than the assigned second device.

15. The camera or optical module according to claim 14 , wherein the second optical devices comprise image sensors, each capable of capturing a sub-image, the camera further comprising a camera electronics, wherein the camera electronics is capable of calculating a single image from the plurality of sub-images or comprises an interface to a computing device capable of calculating a single image from the plurality of sub-images.

16. The camera or optical module according to claim 14 , wherein to each first optical device an aperture is assigned, whereby light traversing the aperture from an object side is directed via the first optical device to the assigned second device.

17. The camera or optical module according to claim 14 , further comprising a third optical device or a plurality of third optical devices, each third optical device comprising an image sensor.

18. The camera or optical module according to claim 14 , further comprising a plurality of third optical devices, each third optical device comprising an image sensor, wherein each third optical device is assigned to a first optical device and to a second optical device, each image sensor capable of capturing a sub-image, the camera further comprising a camera electronics, wherein the camera electronics is capable of calculating a single image from the plurality of sub-images or comprises an interface to a computing device capable of calculating a single image from the plurality of sub-images.

19. The camera or optical module according to claim 14 , wherein the interior space is hermetically sealed from an outside.

20. The camera or optical module according to claim 14 , wherein the screen comprises at least one screening wall ranging from an image-side surface of the first substrate to an object-side surface of the second substrate.

21. The camera or optical module according to claim 14 , wherein each first optical device comprises a lens.

Assignees

• Rudmann Hartmut
• Heimgartner Stephan
• Heptagon Micro Optics Pte Ltd

Inventors

• Rudmann Hartmut
• Heimgartner Stephan

Classifications

• H04N23/57

  Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices · CPC title

• H01L27/14618

  Electricity · mapped topic

• H01L27/14632

  Electricity · mapped topic

• H01L27/14683

  Electricity · mapped topic

• H01L2924/0002

  Electricity · mapped topic