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WO2022107962A1 - Système et procédé de fonctionnement pour un affichage tête haute holographique basé sur un élément de réseau de micromiroirs - Google Patents

Système et procédé de fonctionnement pour un affichage tête haute holographique basé sur un élément de réseau de micromiroirs Download PDF

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Publication number
WO2022107962A1
WO2022107962A1 PCT/KR2020/016796 KR2020016796W WO2022107962A1 WO 2022107962 A1 WO2022107962 A1 WO 2022107962A1 KR 2020016796 W KR2020016796 W KR 2020016796W WO 2022107962 A1 WO2022107962 A1 WO 2022107962A1
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WIPO (PCT)
Prior art keywords
image
holographic
display unit
array element
unit
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/KR2020/016796
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English (en)
Korean (ko)
Inventor
신동학
오용석
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Hololab Co ltd
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Hololab Co ltd
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Filing date
Publication date
Application filed by Hololab Co ltd filed Critical Hololab Co ltd
Publication of WO2022107962A1 publication Critical patent/WO2022107962A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/211—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays producing three-dimensional [3D] effects, e.g. stereoscopic images
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/23—Head-up displays [HUD]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/23—Head-up displays [HUD]
    • B60K35/232—Head-up displays [HUD] controlling the projection distance of virtual images depending on the condition of the vehicle or the driver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/29—Instruments characterised by the way in which information is handled, e.g. showing information on plural displays or prioritising information according to driving conditions
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/29—Holographic features
    • 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
    • G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
    • G02B2027/0105—Holograms with particular structures
    • 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
    • G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
    • G02B2027/0109—Head-up displays characterised by optical features comprising holographic elements comprising details concerning the making of holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H2001/0208—Individual components other than the hologram
    • G03H2001/0216—Optical components

Definitions

  • the present invention relates to a holographic head-up display, and more particularly, in manufacturing a holographic head-up display, a smile using a micro-mirror array element to provide a long-distance holographic image at two different imaging distances to a driver It relates to a method and system for operating a holographic head-up display based on a mirror array element.
  • head up display In general, head up display (HUD, head up display) has started to be applied in the field of fighters and is recently applied to aircraft and vehicles, so that pilots or drivers can see various driving information without distracting their eyes.
  • HUD head up display
  • the gaze periodically shifts to navigation and instrument panel while driving, which is pointed out as a major cause of traffic accidents due to negligence in forward gaze.
  • instantaneous recognition becomes impossible when the distance-near focus is changed because the focusing distance is different, it is installed in many vehicles.
  • the vehicle information image is displayed on one image plane at a short distance of 3 m or less. Therefore, there is still a problem of the driver's focus change during high-speed driving due to a large distance difference from the distant images in front.
  • a HUD system capable of displaying two different distances according to the speed or environment around the vehicle is needed.
  • FIG. 1 is a block diagram of a conventional holographic HUD.
  • the holographic HUD can be simply implemented with a projection module and a holographic optical element.
  • the holographic optical element is attached to the windshield of the vehicle, and the image displayed through the projection module is displayed to the outside of the vehicle through the holographic optical element.
  • the driver sees the holographic image displayed outside the vehicle through the holographic optical element.
  • FIG. 2 describes the holographic HUD module of FIG. 1 in detail.
  • the holographic HUD module is composed of a projector and a screen that use a laser light source to view images.
  • the image projected on the projector is projected on the screen.
  • the image projected on the screen is re-projected back to the outside of the vehicle through the HOE image.
  • the angle and distance at which the holographic HUD module is incident on the HOE is determined according to the structure of recording the HOE as shown in FIG. 3 .
  • a single laser light source divides two beams (a signal beam and a reference beam) and injects the beam into the HOE recording medium in a specific direction in the form of a spherical wave.
  • the reference beam direction and distance are set as the distance at which the projection module is located. Also, the direction and distance of the signal beam are set to the direction and distance to display the hologram image. That is, the signal beam side is the direction the driver observes.
  • the HOE is obtained by recording the two spherical waves as a hologram medium.
  • FIG. 4 shows a method of displaying a holographic image using a conventional HOE.
  • the projection module is positioned in the reference beam direction on the recorded HOE and the image is projected, the image is projected in the signal beam direction.
  • the holographic image is also moved back and forth. This makes the HOE act like a lens.
  • Patent Registration No. 10-0813493 discloses a head-up display system for a vehicle, a display source for outputting an image
  • a light output unit outputting light to reflect or transmit the image output by the display source; and a mirror array for sequentially reflecting the reflected or transmitted image by the light output unit while changing the reflection angle in the windshield direction.
  • Patent Publication No. 10-2016-0126525 discloses a head-up display device.
  • the prior art has disadvantages in that it is difficult to display two different distances and short distances depending on the speed or the vehicle surrounding environment, and the holographic HUD image is unstable, making it inconvenient for the driver and difficulty in viewing the image.
  • the present invention implements a holographic HUD using a micromirror array element in order to provide a safe and comfortable image to the driver by displaying two different distances and near-distances according to the speed or the environment around the vehicle in manufacturing the holographic HUD. It aims to provide a method and system.
  • the present invention relates to a method of operating a holographic head-up display based on a micro-mirror array element, wherein a first image and a second image are created in a holographic HUD module in order for a driver to observe a holographic image in two different areas.
  • the first image display unit 10 and the second image display unit 20 are used simultaneously to create a single deep 3D image through the micro-mirror array unit 30, and thus The created 3D image is characterized in that a holographic image is reproduced through the HOE device 40 .
  • the present invention relates to a holographic head-up display system based on a micro-mirror array element, comprising: a first image display unit 10 for displaying a short-range image;
  • a second image display unit 20 for displaying a long-distance image
  • a micro-mirror array element unit 30 for arranging the images displayed on the first image display unit and the second image display unit differently from each other in space;
  • the HOE element unit 40 for converting the 3D image created by the micromirror array element unit into a holographic HUD image.
  • the present invention has a remarkable effect of providing a safe and comfortable holographic HUD image in consideration of the driver's focus control function by displaying two different distances and short distances according to speed or vehicle surroundings using a micro-mirror array element. have.
  • FIG. 1 is a configuration diagram of a holographic HUD according to the prior art
  • FIG. 2 is a detailed configuration diagram of a holographic HUD module according to the prior art
  • FIG. 3 is a configuration diagram of a holographic HUD using the micromirror array element of the present invention.
  • FIG. 4 is a conceptual diagram for displaying a holographic image in the conventional HOE
  • FIG. 5 is an exemplary view of a holographic HUD method using the micromirror array element of the present invention
  • FIG. 6a and 6b are schematic diagrams of a holographic HUD module using the micro-mirror array device of the present invention.
  • FIG. 7 is a conceptual diagram for displaying a near-far image through the HOE of the present invention
  • 8a and 8b are another exemplary view of the holographic HUD module structure of the present invention.
  • first image display unit 20 second image display unit
  • micro mirror arrangement part 40 HOE element
  • first projector 12 first screen
  • the present invention relates to a method of operating a holographic head-up display based on a micro-mirror array element, wherein a first image and a second image are created in a holographic HUD module in order for a driver to observe a holographic image in two different areas.
  • the first image display unit 10 and the second image display unit 20 are used simultaneously to create a single deep 3D image through the micro-mirror array unit 30, and thus The created 3D image is characterized in that a holographic image is reproduced through the HOE device 40 .
  • the first image display unit 10 is composed of a first projector 11 and a first screen 12 to project a first image, and displays the image in the first image space through a small lens array element.
  • the second image display unit 20 is composed of a second projector 21 and a second screen 22 to project a second image.
  • the present invention relates to a holographic head-up display system based on a micro-mirror array element, comprising: a first image display unit 10 for displaying a short-range image;
  • a second image display unit 20 for displaying a long-distance image
  • a micro-mirror array element unit 30 for arranging the images displayed on the first image display unit and the second image display unit differently from each other in space;
  • the HOE element unit 40 for converting the 3D image created by the micromirror array element unit into a holographic HUD image.
  • the holographic head-up display based on the micro-mirror array element of the present invention is
  • a first image display unit for displaying a short-distance image
  • a second image display unit for displaying a long-distance image
  • micro-mirror array element for arranging the images displayed on the first image display unit and the second image display unit differently from each other in space
  • an HOE element unit that converts the 3D image created by the micromirror array element unit into a holographic HUD image.
  • FIG. 5 shows a holographic HUD method using the micromirror array of the present invention.
  • the holographic head-up display of the present invention comprises a first image display unit for displaying a near image, a second image display unit for displaying a far image, and spatially different images displayed on the first image display unit and the second image display unit.
  • micromirror array element unit micromirror array element unit
  • HOE element that converts the 3D image created by the micromirror array element into a holographic HUD image.
  • the first image display unit and the second image display unit are simultaneously used to create a single deep 3D image through the micro-mirror array unit.
  • the 3D image created in this way reproduces the hologram image through the HOE device.
  • the driver intends to observe the holographic image in two different areas.
  • the first image and the second image must be created in the holographic HUD module.
  • the first image display unit is configured as a first screen as a first projector, projects the first image, and displays the image in the first image space through a small lens array element.
  • the second image display unit is composed of a second projector and a second screen.
  • the distance between the first image and the second image may be as large as d.
  • 6B shows an actual experimental configuration diagram and experimental results. According to the experimental results, different images can be checked depending on the viewing angle.
  • FIG. 7 shows a method for displaying a near-far image through the HOE in the present invention.
  • the images are displayed at different distances as the first holographic image and the second holographic image through the HOE.
  • the first holographic image which is a near image
  • the second holographic image becomes a long-distance image
  • FIG. 8 shows another example of the structure of the holographic HUD module of the present invention.
  • two images are displayed using a micro-mirror array and a half-mirror.
  • the first image is displayed in front of the micro-mirror array, and the second image is displayed in the rear.
  • 8B shows an actual experimental configuration diagram and experimental results. According to the experimental results, different images can be checked depending on the viewing angle.
  • a half mirror can be installed together with the micro mirror arrangement.
  • the present invention has a remarkable effect of providing a safe and comfortable holographic HUD image in consideration of the driver's focus control function by displaying two different distances and short distances according to speed or vehicle surroundings using a micro-mirror array element. have.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Instrument Panels (AREA)
  • Holo Graphy (AREA)

Abstract

La présente invention concerne un procédé de fonctionnement pour un affichage tête haute holographique basé sur un élément de réseau de micromiroirs, une première image et une seconde image étant formées dans un module HUD holographique pour un opérateur du procédé de fonctionnement pour observer une image d'hologramme dans deux régions différentes, et pour afficher une image à courte distance à courte distance, une image 3D en profondeur est formée par l'intermédiaire d'un élément de réseau de micromiroirs (30) en utilisant une première unité d'affichage d'image (10) et une seconde unité d'affichage d'image (20) simultanément, et l'image 3D ainsi formée est représentée sous la forme d'une image d'hologramme par l'intermédiaire d'un élément HOE (40). De plus, la présente invention concerne un système d'affichage tête haute holographique basé sur un élément de réseau de micromiroirs, comprenant : une première unité d'affichage d'image (10) affichant une image à courte distance ; une seconde unité d'affichage d'image (20) affichant une image à longue distance ; une unité d'élément de réseau de micromiroirs (30) à placer des images affichées sur la première unité d'affichage d'image et la seconde unité d'affichage d'image de telle sorte que les images soient spatialement différentes l'une de l'autre ; et une unité d'élément HOE (40) transformant une image 3D formée par l'unité d'élément de réseau de micromiroirs en une image HUD d'hologramme. En utilisant l'élément de réseau de micromiroirs pour afficher deux distances différentes, une longue distance et une courte distance, en fonction d'une vitesse ou d'un environnement autour d'un véhicule, la présente invention a pour effet significatif de fournir une image HUD d'hologramme sûr et confortable qui prend en considération la fonction de réglage de la mise au point du conducteur.
PCT/KR2020/016796 2020-11-19 2020-11-25 Système et procédé de fonctionnement pour un affichage tête haute holographique basé sur un élément de réseau de micromiroirs Ceased WO2022107962A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2020-0155100 2020-11-19
KR1020200155100A KR20220068377A (ko) 2020-11-19 2020-11-19 미소미러배열 소자 기반의 홀로그래픽 헤드업디스플레이 동작방법 및 시스템

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118560274A (zh) * 2024-08-05 2024-08-30 比亚迪股份有限公司 抬头显示装置、车辆和抬头显示装置的控制方法
WO2024199990A1 (fr) 2023-03-30 2024-10-03 Saint-Gobain Glass France Agencement pour produire un affichage optique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160147636A (ko) * 2015-06-15 2016-12-23 삼성전자주식회사 헤드 마운티드 디스플레이 장치
KR20190027889A (ko) * 2016-07-13 2019-03-15 시리얼 테크놀로지즈 에스.에이. 디스플레이 장치
WO2019212633A1 (fr) * 2018-05-04 2019-11-07 Harman International Industries, Incorporated Affichage tête haute à réalité augmentée tridimensionnel réglable
JP2020056881A (ja) * 2018-10-01 2020-04-09 株式会社デンソー 虚像表示装置
KR20200072641A (ko) * 2018-12-12 2020-06-23 삼성전자주식회사 3차원 증강 현실을 제공하는 헤드 업 디스플레이 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160147636A (ko) * 2015-06-15 2016-12-23 삼성전자주식회사 헤드 마운티드 디스플레이 장치
KR20190027889A (ko) * 2016-07-13 2019-03-15 시리얼 테크놀로지즈 에스.에이. 디스플레이 장치
WO2019212633A1 (fr) * 2018-05-04 2019-11-07 Harman International Industries, Incorporated Affichage tête haute à réalité augmentée tridimensionnel réglable
JP2020056881A (ja) * 2018-10-01 2020-04-09 株式会社デンソー 虚像表示装置
KR20200072641A (ko) * 2018-12-12 2020-06-23 삼성전자주식회사 3차원 증강 현실을 제공하는 헤드 업 디스플레이 장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024199990A1 (fr) 2023-03-30 2024-10-03 Saint-Gobain Glass France Agencement pour produire un affichage optique
CN118560274A (zh) * 2024-08-05 2024-08-30 比亚迪股份有限公司 抬头显示装置、车辆和抬头显示装置的控制方法

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