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WO2019149794A1 - Oculaire pour la représentation virtuelle d'une image et dispositif de représentation pourvu d'un tel oculaire - Google Patents

Oculaire pour la représentation virtuelle d'une image et dispositif de représentation pourvu d'un tel oculaire Download PDF

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Publication number
WO2019149794A1
WO2019149794A1 PCT/EP2019/052320 EP2019052320W WO2019149794A1 WO 2019149794 A1 WO2019149794 A1 WO 2019149794A1 EP 2019052320 W EP2019052320 W EP 2019052320W WO 2019149794 A1 WO2019149794 A1 WO 2019149794A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
eyepiece
imaging
deflection
channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2019/052320
Other languages
German (de)
English (en)
Inventor
Hans-Jürgen DOBSCHAL
Karsten Lindig
Matthias Hillenbrand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tooz Technologies GmbH
Original Assignee
Tooz Technologies GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tooz Technologies GmbH filed Critical Tooz Technologies GmbH
Publication of WO2019149794A1 publication Critical patent/WO2019149794A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
    • G02B17/086—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1066—Beam splitting or combining systems for enhancing image performance, like resolution, pixel numbers, dual magnifications or dynamic range, by tiling, slicing or overlapping fields of view
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0149—Head-up displays characterised by mechanical features
    • G02B2027/015—Head-up displays characterised by mechanical features involving arrangement aiming to get less bulky devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B2027/0178—Eyeglass type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1086—Beam splitting or combining systems operating by diffraction only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings

Definitions

  • the present invention relates to an eyepiece for virtual imaging of an image and to an imaging device with such an eyepiece.
  • an eyepiece can be placed on a user's head
  • Imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used. Such an imaging device can be used.
  • AR augmented reality
  • Such AR devices are designed in particular spectacle-like and then often referred to as AR glasses.
  • the device should have an ergonomically attractive design, in which case it should in particular be designed like a spectacle.
  • the eye box should be large and a very large field of view (FOV) should be made available.
  • a white light suitability should be present and a sufficiently good image quality of the mirrored information should be achieved.
  • the object of the invention is to provide an eyepiece that meets one or more of these boundary conditions as well as possible.
  • the inventive eyepiece for virtual imaging of an image which is divided into a first and a second image part so that a partial region of the image is contained in both image parts, comprises an entrance surface, a first and a second deflection surface, which are arranged inclined to each other Channel separation layer disposed between the two deflection surfaces and an exit surface, wherein the eyepiece provides a first imaging channel for the first image part and a second imaging channel for the second image part, wherein the first imaging channel extends in this order through the entrance surface and through the first deflection surface, is deflected at the channel separation layer to the first deflection surface and deflected at the first deflection surface to the exit surface and extends through the exit surface to an exit pupil of the eyepiece, and wherein the second Imaging passage in this order through the entrance surface, through the first deflection surface and through the channel separation layer to the second deflection surface, is deflected at the second deflection surface to
  • the space depth of the eyepiece can be significantly reduced compared to a conventional eyepiece. This allows an appealing and ergonomic design to be realized. Furthermore, a weight saving can be realized.
  • the channel separation layer may include a diffraction grating.
  • the diffraction grating may in particular be designed as an imaging diffraction grating.
  • the imaging diffraction grating may provide the same imaging property for the first and second imaging channels, or may be formed so that the imaging characteristics for the first and second imaging channels are different.
  • the diffraction grating may in particular be formed as a holographic grating.
  • the channel separation layer has an angle-selective layer or an angle-selective layer system in which the channel separation is carried out as a function of the angle of incidence.
  • a layer system as
  • Interference layer system be formed.
  • the exit surface may have an imaging property. Furthermore, it is possible that the entrance surface has an imaging property. Furthermore, the first and / or the second deflection surface may have an imaging property.
  • the imaging property is preferably achieved by a curved configuration (eg spherically curved or aspherically curved).
  • first image part and the second image part may be generated in a direction of increasing brightness to produce a uniform brightness in the exit pupil.
  • the imaging device may include a control unit that controls the imager module to generate the first and second image portions of the image.
  • FIG. 3 shows a view according to FIG. 2, in which only the beam path for the first imager 9 is drawn;
  • Fig. 5 is an illustration of the image 11
  • the display device 2 comprises a spectacle-like holding device 3 with a left temple 4 and a right temple 5.
  • the eyepiece 1 for the left eye LA is arranged in a left eyepiece 6, which is connected to the left temple 4.
  • the eyepiece 1 for the left eye LA and the eyepiece 1 for the right eye RA are mirror-symmetrical to each other, only the eyepiece 1 for the left eye LA will be described in detail below.
  • the eyepiece 1 is for virtual imaging of an image, which is divided into a first and a second image portion so that a portion of the image is contained in both image portions, formed, as will be described in more detail below.
  • Fig. 2 the eyepiece 1 of Fig. 1 is shown enlarged.
  • a first imager 9 and a second imager 10 are shown, wherein the first imager 9 generates the first image part (hereinafter also referred to as the first partial image) and the second imager 10 generates the second image part (also referred to below as the second partial image).
  • the beam path from the imager 9, 10 to an exit pupil 20 of the eyepiece 1 is shown in each case for three points.
  • Fig. 3 only the beam path for the first imager 9 and in Fig. 4, only the beam path for the second imager 10 is shown.
  • the central region 14 is selected so that it covers the region of the image 11 to be displayed, which does not already lead by means of the eyepiece 1 through one of the two imaging channels to a complete occupancy of the exit pupil 20.
  • the channel separation layer 17 in the described embodiment is parallel to the optical axis OA of the eyepiece 1 and extends horizontally. It may be advantageous to slightly tilt the channel separation layer 17 with respect to the optical axis OA (eg in the range of greater than 0 ° and less than 10 ° or 5 °) in order to reduce, for example, interfering edge effects of the diffraction grating. Since the pixel on the far right on the two imagers 9, 10 fills only approximately half the exit pupil 20 (as shown by the dotted lines in FIG. 2-4) and the filling of the exit pupil 20 for pixels in the direction of the left end In the z-direction of the imagers 9, 10 increases, in this + z-direction and the image for the user brighter. This can be done by a corresponding Flellmaschinesan Kunststoffung the
  • the eyepiece 1 according to the invention can be designed so that only the images generated by the two imagers 9, 10 are perceptible.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

L'invention concerne un oculaire pour la représentation virtuelle d'une image (11) qui est divisée en une première et une deuxième partie d'image (12, 13) de sorte qu'une zone partielle de l'image (11) soit contenue dans les deux parties d'image (12, 13), l'oculaire (1) comportant une surface d'entrée (15), une première et une deuxième surface de déviation (16, 18) qui sont agencées de manière inclinée l'une par rapport à l'autre, une couche de séparation de canaux (17) agencée entre les deux surfaces de déviation (16, 18) ainsi qu'une surface de sortie (19), l'oculaire (1) préparant un premier canal de représentation pour la première partie d'image (12) et un deuxième canal de représentation pour la deuxième partie d'image (13), le premier canal de représentation passant dans cet ordre à travers la surface d'entrée (15) et à travers la première surface de déviation (16), étant dévié au niveau de la couche de séparation de canaux (17) vers la première surface de déviation (16) et étant dévié au niveau de la première surface de déviation (16) vers la surface de sortie (19) et passant à travers la surface de sortie (19) jusqu'à une pupille de sortie (20) de l'oculaire (1), le deuxième canal de représentation passant dans cet ordre à travers la surface d'entrée (15), à travers la première surface de déviation (16) et à travers la couche de séparation de canaux (17) jusqu'à la deuxième surface de déviation (18), étant dévié au niveau de la deuxième surface de déviation (18) vers la surface de sortie (19) et passant à travers la surface de sortie (19) jusqu'à la pupille de sortie (2).
PCT/EP2019/052320 2018-02-05 2019-01-31 Oculaire pour la représentation virtuelle d'une image et dispositif de représentation pourvu d'un tel oculaire Ceased WO2019149794A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018102468.1A DE102018102468A1 (de) 2018-02-05 2018-02-05 Okular zur virtuellen Abbildung eines Bildes sowie Abbildungsvorrichtung mit einem solchen Okular
DE102018102468.1 2018-02-05

Publications (1)

Publication Number Publication Date
WO2019149794A1 true WO2019149794A1 (fr) 2019-08-08

Family

ID=65268949

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/052320 Ceased WO2019149794A1 (fr) 2018-02-05 2019-01-31 Oculaire pour la représentation virtuelle d'une image et dispositif de représentation pourvu d'un tel oculaire

Country Status (2)

Country Link
DE (1) DE102018102468A1 (fr)
WO (1) WO2019149794A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021111515A1 (de) 2021-05-04 2022-11-10 tooz technologies GmbH Anzeigevorrichtung
DE102023104698A1 (de) * 2023-02-27 2024-08-29 tooz technologies GmbH Anzeigevorrichtung mit einer auf den Kopf eines Benutzers aufsetzbaren Haltevorrichtung
DE102023107977A1 (de) 2023-03-29 2024-10-02 tooz technologies GmbH Anzeigevorrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5982343A (en) * 1903-11-29 1999-11-09 Olympus Optical Co., Ltd. Visual display apparatus
US20100109980A1 (en) * 2008-10-31 2010-05-06 Canon Kabushiki Kaisha Image display apparatus
EP2253989A2 (fr) * 2009-05-18 2010-11-24 Canon Kabushiki Kaisha Appareil d'affichage d'images

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072395A (en) * 1976-05-24 1978-02-07 The United States Of America As Represented By The Secretary Of The Navy Microscope
US5280332A (en) * 1990-02-09 1994-01-18 Vx Optronics Method and apparatus for self-correcting, direct sensing coincidence sensor for optical rangefinders
WO2014153225A1 (fr) * 2013-03-15 2014-09-25 Immy Inc. Ensemble d'affichage tête haute

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5982343A (en) * 1903-11-29 1999-11-09 Olympus Optical Co., Ltd. Visual display apparatus
US20100109980A1 (en) * 2008-10-31 2010-05-06 Canon Kabushiki Kaisha Image display apparatus
EP2253989A2 (fr) * 2009-05-18 2010-11-24 Canon Kabushiki Kaisha Appareil d'affichage d'images

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