Device, method, and use of the device for adjusting, assembling and/or testing an electro-optical system

Patent metadata

Field	Value
Publication number	US-12489883-B2
Application number	US-202017784068-A
Country	US
Kind code	B2
Filing date	Dec 10, 2020
Priority date	Dec 10, 2019
Publication date	Dec 2, 2025
Grant date	Dec 2, 2025

Abstract

A device ( 1 ) for producing a photoactive system ( 10 ), in particular a deactivated photoactive system ( 10 ), characterised by: an imaging device ( 2 ) having at least one imaging arrangement ( 20 ), wherein the at least one imaging arrangement ( 20 ) has a beam passage plane (SE) and an optical axis (O), and the at least one imaging arrangement ( 20 ) is designed to generate electromagnetic beams which extend along a beam path and pass through the imaging arrangement ( 20 ) on the beam passage plane (SE) and to reflect the electromagnetic beams along the beam path at the photoactive arrangement ( 11 ) in order to image, on a first focal plane (B 1 ) of the imaging arrangement ( 20 ), an evaluation image of a photoactive arrangement ( 11 ) of the photoactive system ( 10 ) to be produced, and the electromagnetic beams of the beam path are captured on the first focal plane (B 1 ) in order to capture the evaluation image of the photoactive arrangement ( 11 ); and a first holding device ( 3 a ) having a first holding plane (Ha), on the first holding plane (Ha), an optical arrangement ( 12 ) of the photoactive system ( 10 ) to be produced; and a second holding device ( 3 b ) having a second holding plane ( 3 b ) for holding the photoactive arrangement ( 11 ) on the second holding plane (Hb); wherein the first holding device ( 3 a ) having the first holding plane (Ha) and/or the second holding device ( 3 a ) having the second holding plane (Ha) is/are movably positioned relative to the imaging device ( 2 ).

First claim

The invention claimed is:

1 . A device for producing at least two photoactive systems in one of an electro-optical and an optoelectronic system, wherein each photoactive system to be produced comprises at least one optical arrangement and at least one photoactive arrangement, said device being characterised by:
an imaging device having at least one imaging arrangement, wherein the at least one imaging arrangement has a beam passage plane and an optical axis, and the at least one imaging arrangement is designed
to generate electromagnetic beams which extend along a beam path and pass through the imaging arrangement in a beam passage plane and
to image, on a first focal plane of the imaging arrangement, an evaluation image of electromagnetic beams reflected at the photoactive arrangement and
to capture the evaluation image imaged on the first focal plane; and
a first holding device having a first holding plane for simultaneously holding, on the first holding plane, the at least two optical arrangements of the at least two photoactive systems to be produced; and a second holding device having a second holding plane for simultaneously holding, on the second holding plane, the at least two photoactive arrangements of the at least two photoactive systems to be produced; wherein at least one of the first holding device having the first holding plane and the second holding device having the second holding plane is/are movably positioned relative to the imaging device; and the imaging device is designed to be at least one of
movable in a translational manner relative to at least one of the first and second holding planes of a respective one of the first and second holding device, and
movable in a rotatory manner relative to at least one of the first and second holding planes of a respective one of the first and second holding device.

2 . The device according to the preceding claim 1 , characterised in that the first holding device is arranged between the second holding device and the imaging device.

3 . The device according to claim 1 , wherein the first and/or second holding device is designed to accommodate two or more optical arrangements and/or two or more photoactive arrangements, wherein
the first holding device is preferably designed to move two or more optical arrangements rotationally and/or translationally independently of each other; and/or the second holding device is preferably designed to move two or more photoactive arrangements rotationally and/or translationally independently of each other.

4 . The device according to claim 1 , characterised in that
a first part of the at least one imaging arrangement is aligned with a first photoactive system to be produced and a second part of the at least one imaging arrangement is aligned with a second photoactive system to be produced; and/or the imaging device has two imaging arrangements, wherein said two imaging arrangements are arranged in such a way that their optical axes extend parallel with one another, wherein one of said two imaging arrangements is aligned with a photoactive system to be produced and another of the two imaging arrangements is aligned with another photoactive system to be produced.

5 . The device according to claim 1 , characterised in that the first holding plane of the first holding device is arranged substantially parallel with respect to the beam passage plane of at least one imaging arrangement and/or is arranged non-parallel at a distance from the beam passage plane of at least one other of the at least one imaging arrangement.

6 . The device according to claim 1 , characterised in that the at least one imaging device comprises:
an imaging module in which the beam passage plane is arranged and which has the optical axis, wherein the imaging module is designed
to image at infinity or at finity in a direction of the second holding plane along the optical axis with a second focal length on a second focal plane and
to image at infinity or at finity in an opposite direction with a first focal length on the first focal plane; and/or
a beam source means which provides electromagnetic beams for generating and for capturing the evaluation image; and/or a beam splitter means which deflects at least one part of the electromagnetic beams of the beam source means towards the photoactive system to be produced; and/or an image capturing means which is designed to capture the evaluation image of the photoactive system to be produced, wherein the image capturing means is arranged on the first focal plane of the imaging module in order to capture the evaluation image of the photoactive system to be produced; and/or a diffuser means for scattering the electromagnetic beams from the beam source means; and/or a filter means for filtering electromagnetic beams having a wavelength to be filtered; and/or a test structure device for generating a test structure on the photoactive arrangement of photoactive system to be produced.

7 . The device according to claim 1 , characterised in that the imaging device comprises a collimator, preferably a focusable collimator, and in particular an autocollimator.

8 . The device according to claim 1 , characterised in that the image capturing means comprises:
a camera for capturing the evaluation image, generated by the electro-optical system to be produced, of the respective at least one imaging arrangement; and/or in particular a power electronics module for processing and transmitting the respective evaluation image captured by the image capturing means; and/or in particular an image sensor for capturing the respective evaluation image generated by the electro-optical system to be produced.

9 . The device according to claim 1 , characterised by an adjusting device for adjusting an orientation and/or a position of the first holding plane of the first holding device and/or of the second holding plane of the second holding device with respect to the beam passage plane of the at least one imaging arrangement; wherein the adjusting device preferably has a drive means.

10 . The device according to claim 1 , characterised by a support device which is designed to support the first holding device and/or the second holding device translationally and/or rotationally relative to the imaging device in an operating condition; and/or a drive means which is designed to drive the first holding device and/or the second holding device translationally and/or rotationally in the operating condition.

11 . The device according to claim 1 , characterised by a joining device which is designed to connect the photoactive arrangement and the optical arrangement to each other, in particular to connect them joiningly to each other.

12 . The device according to claim 1 , characterised by an evaluation device for evaluating the captured evaluation image of the at least one imaging arrangement, wherein the evaluation device:
is preferably in signal communication with the imaging device, in particular with the image capturing means and/or an adjusting device and/or a joining device; and/or in particular has a power electronics module for processing and transmitting the evaluation image captured by the respective image capturing means; and/or in particular has a control means for controlling the adjusting device according to a result of evaluating the respective evaluation image captured and/or for controlling the joining device; wherein the control means includes, in particular, an autofocus module for automated focusing of the device in an operating condition.

13 . The device according to claim 1 , wherein the device is used to produce a

Assignees

• AIXEMTEC GmbH
• Microvision Inc

Inventors

• Haag Sebastian
• Hoffmann Florian
• Rosenkranz Jörn

Classifications

• G01M11/0257

  by analyzing the image formed by the object to be tested · CPC title

• G01M11/0214

  Details of devices holding the object to be tested · CPC title

• G02B27/14

  operating by reflection only · CPC title

• G01S17/89

  for mapping or imaging · CPC title

• H04N23/55

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