DEVICE, METHOD, AND USE OF THE DEVICE FOR ADJUSTING, ASSEMBLING AND/OR TESTING AN ELECTRO-OPTICAL SYSTEM
20230037764 · 2023-02-09
Inventors
Cpc classification
H04N23/55
ELECTRICITY
H04N23/67
ELECTRICITY
H04N23/695
ELECTRICITY
International classification
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 (B1) 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 (B1) in order to capture the evaluation image of the photoactive arrangement (11); and a first holding device (3a) 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 (3b) having a second holding plane (3b) for holding the photoactive arrangement (11) on the second holding plane (Hb); wherein the first holding device (3a) having the first holding plane (Ha) and/or the second holding device (3a) having the second holding plane (Ha) is/are movably positioned relative to the imaging device (2).
Claims
1. A device (1) for producing a photoactive system (10), in particular a deactivated photoactive system (10), an electro-optical and/or optoelectronic system, in particular for a projecting and/or imaging electro-optical system, said device being 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 image, on a first focal plane (B1) of the imaging arrangement (20), an evaluation image of the electromagnetic beams reflected at a photoactive arrangement (11) and to capture the evaluation image imaged on the first focal plane (B1); and a first holding device (3a) having a first holding plane (Ha) for holding, on the first holding plane (Ha), an optical arrangement (12) of the photoactive system (10) to be produced; and a second holding device (3b) having a second holding plane (3b) for holding the photoactive arrangement (11) on the second holding plane (Hb); wherein the first holding device (3a) having the first holding plane (Ha) and/or the second holding device (3a) having the second holding plane (Ha) is/are movably positioned relative to the imaging device (2).
2. The device according to the preceding claim 1, characterised in that the first holding device (3a) is arranged between the second holding device (3b) and the imaging device (2).
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 (3a) is preferably designed to move two or more optical arrangements (12) rotationally and/or translationally independently of each other; and/or the second holding device (3b) is preferably designed to move two or more photoactive arrangements (11) rotationally and/or translationally independently of each other.
4. The device according to claim 1, characterised in that the imaging device (2) is designed to be movable in order to produce successively and/or simultaneously a plurality of photoactive systems to be produced relatively to each other; and/or 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 (2) has two imaging arrangements (20), wherein said two imaging arrangements (20) are arranged in such a way that their optical axes (O) extend parallel with one another, wherein one of said two imaging arrangements (20) is aligned with a photoactive system to be produced and another of the two imaging arrangements (20) is aligned with another photoactive system to be produced.
5. The device according to claim 1, characterised in that the first holding plane (Ha) of the first holding device (3a) is arranged substantially parallel with respect to the beam passage plane (SE) of at least one imaging arrangement (20) and/or is arranged non-parallel at a distance from the beam passage plane (SE) of at least one other of the at least one imaging arrangement (20).
6. The device according to claim 1, characterised in that the at least one imaging device (2) comprises: an imaging module (21) in which the beam passage plane (SE) is arranged and which has the optical axis (O), wherein the imaging module (21) is designed to image at infinity or at finity in a direction of the second holding plane (Hb) along the optical axis with a second focal length on a second focal plane (B2) 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 unit (22) which provides electromagnetic beams for generating and for capturing the evaluation image; and/or a beam splitter unit (23) which deflects at least one part of the electromagnetic beams of the beam source unit (22) towards the photoactive system (10) to be produced; and/or an image capturing unit (24) which is designed to capture the evaluation image of the photoactive system (10) to be produced, wherein the image capturing unit (24) is arranged on the first focal plane of the imaging module (21) in order to capture the evaluation image of the photoactive system (10) to be produced; and/or a diffuser unit (26) for scattering the electromagnetic beams from the beam source unit (22); and/or a filter unit (27) for filtering electromagnetic beams having a wavelength to be filtered; and/or a test structure device (25) for generating a test structure on the photoactive arrangement (11) of photoactive system (10) to be produced.
7. The device according to claim 1, characterised in that the imaging device (2) 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 unit (24) comprises: a camera (24a) for capturing the evaluation image, generated by the electro-optical system (10) to be produced, of the respective at least one imaging arrangement; and/or in particular a power electronics module (24b) for processing and transmitting the respective evaluation image captured by the image capturing unit (24); and/or in particular an image sensor (24c) for capturing the respective evaluation image generated by the electro-optical system (10) to be produced.
9. The device according to claim 1, characterised by an adjusting device (4) for adjusting an orientation and/or a position of the first holding plane (Ha) of the first holding device (3a) and/or of the second holding plane (Hb) of the second holding device (3b) with respect to the beam passage plane (SE) of the at least one imaging arrangement (20); wherein the adjusting device (4) preferably has a drive means (4a).
10. The device according to claim 1, characterised by a support device (6) which is designed to support the first holding device (3a) and/or the second holding device (3b) translationally and/or rotationally relative to the imaging device (2) in an operating condition; and/or a drive means (4a) which is designed to drive the first holding device (3a) and/or the second holding device (3b) translationally and/or rotationally in the operating condition.
11. The device according to claim 1, characterised by a joining device (7) which is designed to connect the photoactive arrangement (11) and the optical arrangement (12) to each other, in particular to connect them joiningly to each other.
12. The device according to claim 1, characterised by an evaluation device (5) for evaluating the captured evaluation image of the at least one imaging arrangement, wherein the evaluation device (5): is preferably in signal communication with the imaging device (2), in particular with the image capturing unit (24) and/or an adjusting device (4) and/or a joining device; and/or in particular has a power electronics module (24b) for processing and transmitting the evaluation image captured by the respective image capturing unit (24); and/or in particular has a control unit (5b) for controlling the adjusting device (4) according to a result of evaluating the respective evaluation image captured and/or for controlling the joining device; wherein the control unit includes, in particular, an autofocus module for automated focusing of the device in an operating condition.
13. A method (100) for producing a photoactive system (10), in particular a deactivated photoactive system (10), an electro-optical and/or optoelectronic system, in particular for a projecting and/or imaging electro-optical system, said method being characterised by the steps of: providing (101) a device (1) according to claim 1; and/or providing and arranging (102) a photoactive arrangement (11) in the second holding device (3b), in particular providing and arranging (102) two or more photoactive arrangements (11) in the second holding device (3b); and/or providing and arranging (103) an optical arrangement (12) in the first holding device (3a), in particular providing and arranging (103) two or more optical arrangements (112) in the first holding device (3b).
14. The method (100) according to the preceding claim 13, characterised by the steps of: adjusting (110) the optical arrangement (12) with respect to the photoactive arrangement (11), wherein the step of adjusting (110) includes, in particular: providing (111) an electromagnetic beam for imaging an evaluation image in the respective at least one imaging arrangement, and/or imaging (112) the evaluation image in the respective at least one imaging arrangement (20), and/or capturing (113) the evaluation image in the respective at least one imaging arrangement (20), and/or evaluating (114) the respective captured evaluation image, and/or moving (115) the first holding device (3a) with the optical arrangement (12) disposed therein and/or the second holding device (3b) with the photoactive arrangement (11) disposed therein, depending on the evaluation of the respective captured evaluation image; and/or assembling (120) the optical arrangement (12) adjusted with respect to the photoactive arrangement (11), wherein the step of assembling (120) includes, in particular: connecting (121), in particular joining, the optical arrangement (12) to the photoactive arrangement (11); and/or testing (130) the optical arrangement (12) assembled opposite the photoactive arrangement (11), wherein the step of testing (130) includes, in particular: providing (111) an electromagnetic beam for imaging an evaluation image in the respective at least one imaging arrangement, and/or imaging (112) the evaluation image of the adjusted and/or assembled photoactive system (10) in the respective at least one imaging arrangement (20), and/or capturing (113) the evaluation image in the respective at least one imaging arrangement (20), and/or evaluating (114) the respective captured evaluation image; and/or moving the imaging device (2) in order to produce a plurality of photoactive systems to be produced successively and/or simultaneously in relation to each other.
15. The method (100) according to claim 13, characterised in that capturing (113) the evaluation image in the at least one imaging arrangement (20) includes the following steps: arranging (113a) the optical arrangement (12) at infinity relative to the imaging device (2) and/or the photoactive arrangement (11); and/or arranging (113b) the optical arrangement (12) in a setpoint position and/or a setpoint orientation relative to the imaging device (2) and/or the photoactive arrangement (11); and/or evaluating (114) the respective captured evaluation image includes the following steps: determining a frequency response characteristic of the captured evaluation image; and/or comparing the captured evaluation image with a captured evaluation image of a photoactive system previously adjusted and/or assembled (120) with respect to the photoactive arrangement (11); wherein, in particular, the evaluation images are captured simultaneously or sequentially in the respective at least one imaging arrangement (20); wherein, in particular, the comparison of the simultaneously captured evaluation images is based on a physical superimposition in the respective at least one imaging arrangement (20); and/or in particular, the comparison of the simultaneously or sequentially captured evaluation images is based on virtual superimposition in the respective at least one imaging arrangement (20); and/or comparing the captured evaluation image and/or the determined frequency response characteristic of the captured evaluation image with a desired target state; and/or generating a control signal for moving the first and/or second holding device according to the comparison of the captured evaluation image with a captured evaluation image of a photoactive system previously adjusted and/or assembled (120) with respect to the photoactive arrangement (11), and/or of the determined frequency response characteristic and/or of a determined offset; and/or the comparison of the captured evaluation image with a desired target state, if the captured evaluation image does not match the desired target state; and/or the comparison of the determined frequency response characteristic of the captured evaluation image with a desired target state, if the frequency response characteristic of the captured evaluation image does not match the desired target state.
16. The method (100) according to claim 13, characterised in that the photoactive arrangement (11) of the photoactive system (10) to be produced is deactivated during adjustment (110) and/or assembly (120) and/or testing (130).
17. The device (1) according to claim 1, wherein the device (1) is used to produce a photoactive system (10), in particular to produce a deactivated photoactive system (10), an electro-optical and/or optoelectronic system, in particular for a projecting and/or imaging electro-optical system.
Description
[0116] Further advantages, features and details of the invention are shown in the following description of the preferred embodiments and with reference to the drawings, in which
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[0131] The imaging arrangement 20 of device 1 shown schematically in
[0132] In the present embodiment, optical arrangement 12 of the photoactive system 10 to be produced is a converging lens, and photoactive arrangement 11 of the photoactive system 10 to be produced 10 is an image sensor arranged on a support. The first and second holding devices 3a, 3b are designed in such a way, in particular, that the converging lens 11 arranged in the respective holding devices 3a, 3b in the operating condition and image sensor 12 are arranged and held substantially in the respective holding plane Ha, Hb. In particular, the converging lens is designed to focus the electromagnetic beams emanating from imaging arrangement 20 on a third focal plane B3 in the direction of the second holding plane Hb. In particular, the image sensor of photoactive arrangement 11 is arranged and oriented on the second holding plane Hb. In order to produce the photoactive system in the operating condition, the first holding device 3a having converging lens 12 arranged therein and the second holding device 3b having photoactive arrangement 12 arranged therein are preferably oriented in relation to each other in such a way that the second distance A2 is substantially equal to the focal length of the converging lens 12 of the photoactive system 10 to be produced, i.e. the third focal plane B3 of converging lens 12 in the image sensor of photoactive arrangement 11 lies on the second holding plane Hb.
[0133] The imaging arrangement 20 shown schematically in
[0134] In order to adjust it, the first holding device 3a of device 1 shown schematically in
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[0136] The device 1 shown in
[0137] The imaging device 2 shown in
[0138] The device 1 shown in
[0139] In order to produce the photoactive systems according to the device 1 shown in
[0140] Based on an imaging device 2 with a single imaging arrangement 20, as an example,
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[0142] The device 1 shown in
[0143] With the device 1 shown in
[0144] In order to produce two or more photoactive systems, images of the photoactive systems to be produced are captured. In order to produce the photoactive system still to be produced and/or assembled, an image of the photoactive system still to be produced is virtually superimposed by an image of the photoactive system already produced. The orienting of the photoactive system 10 still to be produced and/or assembled, in particular of the first and/or second holding device relative to the photoactive system already produced, is carried out simultaneously. This has the advantage that there is no need to store the images, and production time is saved.
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[0146] The further preferred embodiment of a device 1 shown schematically in
[0147] The preferred embodiment of a device 1 for producing a photoactive system 10, shown schematically in
[0148] In this preferred embodiment, beam source unit 22 is a point source of electromagnetic beams of visible light. In this preferred embodiment, beam source unit 22 can also emit non-visible light. In the operating condition, the electromagnetic beams generated by beam source unit 22 strike beam splitter unit 23. A diffuser unit 26 for scattering the electromagnetic beams is positioned between beam splitter 23 and beam source unit 22. Beam splitter unit 23 is positioned between imaging module 21 and image capturing unit 24. Beam splitter unit 23 deflects part of the electromagnetic beams towards imaging module 21. The electromagnetic beams generated by beam source unit 22 and deflected by beam splitter unit 23 exit imaging arrangement 20 through imaging module 21 arranged on beam passage plane SE. In the present preferred embodiment of device 1, imaging module 21 is designed to focus at infinity the electromagnetic beams emanating from the imaging arrangement. The optical arrangement 12 of the photoactive system to be produced focuses the electromagnetic beams focused at infinity on the photoactive arrangement, as previously described for the preferred embodiment of device 1 shown schematically in
[0149] The imaging module 21 of imaging arrangement 20 is also designed to focus, on a first focal plane B1, the electromagnetic beams reflected in the operating condition by photoactive arrangement 12. In the preferred embodiment of device 1 shown schematically in
[0150] In the preferred embodiment of device 1 shown schematically in
[0151] To adjust the first holding device 3a relative to the second holding device 3b, the preferred embodiment of device 1 shown schematically in
[0152] The joining device is designed to assemble the adjusted photoactive system 10. In particular, the joining device is designed to joiningly connect the optical arrangement 12 of the adjusted photoactive system 10 to the photoactive arrangement 11 of the adjusted photoactive system 10 in the operating condition.
[0153] The preferred embodiment of device 1 shown schematically in a side view in
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[0155] A device 1 shown schematically in
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[0157] The flow diagram shown schematically in
[0158] The step of adjusting 110 may include one or more subordinate steps. A first preferred subordinate step in adjusting 110 is to provide 111 an electromagnetic beam for imaging an evaluation image of the photoactive arrangement 11 of the photoactive system 10 to be produced, or of the test structure. Another optional subordinate step in adjusting 110 is to image 112 the evaluation image of the photoactive arrangement 11 of the photoactive system 10 to be produced 10 on the beam passage plane (SE) of the at least one imaging arrangement 20. The step of adjusting 110 may include capturing 113 the evaluation image on the beam passage plane SE of the at least one imaging arrangement 20. In particular, the method of adjusting 110 includes evaluating 114 the captured evaluation image. Finally, a fifth preferred subordinate step in adjusting 110 is to move 115 the first holding device 3a with optical arrangement 12 disposed therein and/or the second holding device 3b with photoactive arrangement 11 disposed therein, depending on the evaluation of the captured evaluation image. The steps of adjusting 110 are preferably performed iteratively.
[0159] The step of assembling 120 includes, in particular, the step of connecting the optical arrangement 12 to the photoactive arrangement 11 of the photoactive system 10 to be produced. In particular, it may be necessary when carrying out the step of assembling 120 or adjusting to take into account any shrinkage of the connection or the like during assembly, by providing an offset that compensates for the shrinkage. Shrinkage of the connection results, for example, from heat input, for example during soldering or welding or gluing. When gluing, such shrinkage ensues, for example, during the phase transition from a liquid to a solid aggregate state of an adhesive used for gluing.
[0160] The step of testing 130 includes one or more optional subordinate steps. The step of testing 130 includes, in particular, providing 111 an electromagnetic beam for imaging an evaluation image of the photoactive arrangement 11 of the photoactive system 10 to be produced. Testing 130 also includes imaging 112 the evaluation image of the photoactive arrangement 11 of the adjusted and/or assembled photoactive system 10, or of the test structure, on the beam passage plane SE of the at least one imaging arrangement 20. Testing 130 may also include capturing 113 the evaluation image of the at least one imaging arrangement 20. It is preferred, in particular, that testing includes evaluating 114 the captured evaluation image as a subordinate step.
[0161] The step of evaluating 114 the respective captured evaluation image includes the following steps in particular: determining a frequency response characteristic of the captured evaluation image; and/or comparing the captured evaluation image with a captured evaluation image of a photoactive system already adjusted and/or assembled according to the method previously described; wherein, in particular, the evaluation images are captured simultaneously or sequentially in the respective at least one imaging arrangement 20; wherein, in particular, the comparison of the simultaneously captured evaluation images is based on a physical superimposition in the respective at least one imaging arrangement 20; and/or in particular the comparison of the simultaneously or sequentially captured evaluation images is based on virtual superimposition in the respective at least one imaging arrangement 20; and/or comparing the captured evaluation image and/or the determined frequency response characteristic of the captured evaluation image with a desired target state.
[0162] The step of evaluating 114 the respective captured evaluation image includes, in particular, generating a control signal for moving the first and/or second holding device. The control signal is generated, in particular, according to a comparison of the captured evaluation image with a captured evaluation image of a photoactive system already adjusted and/or assembled according to the previously described method and/or according to a determined frequency response characteristic and/or a determined offset; and/or according to a comparison of the captured evaluation image with a desired target state, if the captured evaluation image does not match the desired target state; and/or according to a comparison of the determined frequency response characteristic of the captured evaluation image with a desired target state, if the frequency response characteristic of the captured evaluation image does not match the desired target state.
[0163] It may also be preferred that the method preferably includes the further step of moving imaging device 2 (not shown), in order to successively and/or simultaneously produce a plurality of photoactive systems 10 to be produced relatively to each other.
LIST OF REFERENCE SIGNS
[0164] 1 Device for producing a photoactive system [0165] 2 Imaging device [0166] 3a/3b First and second holding device [0167] 4 Adjusting device [0168] 4a Drive means [0169] 5 Evaluation device [0170] 5a Integrated electronic circuitry [0171] 5b Control unit [0172] 6 Support device [0173] 7 Joining device [0174] 10 Photoactive system [0175] 11 Photoactive arrangement [0176] 12 Optical arrangement [0177] 13a Shading unit [0178] 13b Beam source [0179] 13c Optical fibre [0180] 20 At least one imaging arrangement [0181] 21 Imaging module [0182] 22 Beam source unit [0183] 23 Beam splitter unit [0184] 24 Image capturing unit [0185] 24a Camera [0186] 24b Power electronics module [0187] 24c Image sensor [0188] 25 Test pattern device [0189] 26 Diffuser unit [0190] 27 Filter unit [0191] 100 Method for producing a photoactive system [0192] 101 Providing a device for producing a photoactive system [0193] 102 Providing and arranging a photoactive arrangement in the second holding device [0194] 103 Providing and arranging an optical arrangement in the first holding device [0195] 110 Adjusting the optical arrangement in relation to the photoactive arrangement [0196] 111 Providing a beam for imaging an evaluation image of the photoactive system to be produced [0197] 112 Imaging the evaluation image of the photoactive system to be produced on the beam passage plane of the at least one imaging arrangement [0198] 113 Capturing the evaluation image on the beam passage plane of the at least one imaging arrangement [0199] 114 Evaluating the captured evaluation image, and/or [0200] 115 Moving the first holding device and/or the second holding device according to the evaluation of the captured evaluation image [0201] 120 Assembling the optical arrangement adjusted in relation to the photoactive arrangement [0202] 121 Connecting, in particular joining the optical arrangement to the photoactive arrangement [0203] 130 Testing the optical arrangement assembled in relation to the photoactive arrangement [0204] A1/A2 First and second distance [0205] SE Beam passage plane [0206] Ha/Hb First and holding plane [0207] O Optical axis