WO2022130865A1 - 表示調光制御装置、表示調光制御方法、記録媒体及び表示調光システム - Google Patents

表示調光制御装置、表示調光制御方法、記録媒体及び表示調光システム Download PDF

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Publication number
WO2022130865A1
WO2022130865A1 PCT/JP2021/041837 JP2021041837W WO2022130865A1 WO 2022130865 A1 WO2022130865 A1 WO 2022130865A1 JP 2021041837 W JP2021041837 W JP 2021041837W WO 2022130865 A1 WO2022130865 A1 WO 2022130865A1
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WIPO (PCT)
Prior art keywords
dimming
display
information
screen
image
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/JP2021/041837
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English (en)
French (fr)
Japanese (ja)
Inventor
浩二 長田
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.)
Sony Group Corp
Original Assignee
Sony Group Corp
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 Sony Group Corp filed Critical Sony Group Corp
Priority to EP21906229.6A priority Critical patent/EP4265461A4/en
Priority to CN202180083009.1A priority patent/CN116710309A/zh
Priority to US18/255,104 priority patent/US12560998B2/en
Priority to KR1020237018361A priority patent/KR20230118557A/ko
Priority to JP2022569786A priority patent/JPWO2022130865A1/ja
Publication of WO2022130865A1 publication Critical patent/WO2022130865A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Definitions

  • the present disclosure is a display dimming system including a display device for displaying (projecting) an image on a transparent screen, a dimming device for dimming the screen, and a display dimming control device for controlling the display device and the dimming device. Regarding.
  • the present disclosure further discloses a non-transient computer reading that records a display dimming control device, a display dimming control method executed by the display dimming control device, and a dimming control program executed by the display dimming control device. With respect to possible recording media.
  • a display device that displays (projects) an image using the front window of a vehicle as a screen is known (Patent Document 1).
  • the visibility of the image may decrease due to the brightness of the environment that is the background of the image and the influence of objects.
  • a smoke film that reduces the light incident from the window or a dimming film that can change the dimming level on the entire surface of the screen.
  • the entire surface of the screen is uniformly dimmed or dimmed. Therefore, if the screen is dimmed (dimmed) in order to improve the visibility of the image, the visibility of the background environment of the screen may deteriorate.
  • an object of the present disclosure is to improve the visibility of an image displayed on a transparent screen and the visibility of the background environment of the screen at the same time.
  • the display dimming control device is A display image generator that determines the position of the display device, which is the position of the display device that emits image light, in order to display an image on a transparent screen from a display device having a display device.
  • a dimming processing control unit that controls a dimming device having a plurality of dimming elements that independently controls the dimming level of the screen for each of a plurality of tiles that virtually divide the screen. Determine one or more dimming elements that control the dimming level of one or more tiles corresponding to the screen display position, which is the position on the screen where the image is displayed by the image light emitted from the display device position.
  • Dimming position determination unit and Background information which is information on the background environment of the screen, is acquired, and the dimming level for each of the one or more dimming elements is independent based on the background information of each of the one or more tiles corresponding to the one or more dimming elements.
  • the dimming level determination unit that is determined by Dimming processing control unit with Equipped with.
  • the background information includes illuminance information which is information on the illuminance of the background environment.
  • the dimming level determining unit independently determines the dimming level for each of the one or more dimming elements based on the illuminance information of each of the one or more tiles corresponding to the one or more dimming elements.
  • the screen on which the image is displayed is independently dimmed at a different dimming level for each tile that is virtually divided according to the difference in the illuminance of the background environment (presence or absence of direct sunlight, etc.). ..
  • the dimming level lowers the transmittance
  • the level can be relatively low.
  • the dimming processing control unit further includes a visibility determination unit that determines the visibility of each of the one or more tiles.
  • the dimming level determining unit may independently determine the dimming level for each of the one or more dimming elements based on the visibility.
  • the screen on which the image is displayed can be independently dimmed at different dimming levels for each tile that is virtually divided according to the visibility of the image. As a result, it is possible to display an image with high visibility for the viewer.
  • the background information includes background color information which is color information of the background environment.
  • the visibility determination unit is divided into background color information of each of one or more tiles corresponding to the one or more dimming elements and image color information which is image color information displayed for each of the one or more tiles. Based on this, the visibility of each of the one or more tiles may be determined.
  • the screen on which the image is displayed is divided into virtually divided tiles according to the visibility of the image (chromaticity contrast based on the background color information and the image color information). It can be dimmed at the light level. By adjusting the dimming level appropriately, it is possible to maintain good background visibility while ensuring necessary and sufficient visibility. As a result, the visibility of the displayed image can be improved, and the background field of view can be maintained even better.
  • the background information includes luminance information which is information on the luminance of the background environment.
  • the visibility determination unit is divided into background luminance information of each of the one or more tiles corresponding to the one or more dimming elements and image luminance information which is information of the brightness of the image displayed for each of the one or more tiles. Based on this, the visibility of each of the one or more tiles may be determined.
  • the screen on which the image is displayed is dimmed independently for each tile that is virtually divided according to the visibility of the image (luminance contrast based on the background brightness information and the image brightness information). It can be dimmed at the level.
  • the dimming level By adjusting the dimming level appropriately, it is possible to maintain good background visibility while ensuring necessary and sufficient visibility. As a result, the visibility of the displayed image can be improved, and the background field of view can be maintained even better.
  • the dimming processing control unit The screen display is the position on the screen where the image is displayed by the image light emitted from the display device position, based on the line-of-sight information which is the information indicating the line-of-sight of the viewer who sees the image. It further has a positional relationship information generation unit that generates positional relationship information that is information for converting into one or more dimming elements that control the dimming level of one or more tiles corresponding to positions.
  • the dimming position determining unit may determine one or more dimming elements based on the positional relationship information.
  • the screen display position (the position on the screen on which the image is displayed) to be dimmed is determined based on the line-of-sight position of the individual viewer.
  • the image viewed by the viewer is dimmed as compared with the case of determining one or more dimming elements that control the dimming level based on the line-of-sight position of the viewer (model) having an average physique. The possibility is high.
  • the visibility determination unit may determine the visibility based on the line-of-sight information and the positional relationship information, which are information indicating the line-of-sight of the viewer who sees the image.
  • the visibility of the image when the image is viewed from the viewer's individual line of sight is determined.
  • the screen on which the image is displayed is dimmed independently for each tile that is virtually divided at a different dimming level.
  • the visibility is higher for the individual viewer and the visibility of the displayed image is enhanced as compared with the case where the dimming level is determined according to the visibility for the viewer (model) having an average physique. And the background visibility can be kept even better.
  • the line-of-sight information may be estimated based on the position of the viewer's eyes.
  • the screen display position (the position on the screen on which the image is displayed) to be dimmed is determined based on the estimated line-of-sight position of the individual viewer.
  • the visibility of the image (estimated visibility of the individual viewer) when the image is viewed with the estimated line of sight of the individual viewer is determined.
  • the screen on which the image is displayed is dimmed independently for each tile that is virtually divided at a different dimming level.
  • the visibility is higher for the individual viewer and the visibility of the displayed image is enhanced as compared with the case where the dimming level is determined according to the visibility for the viewer (model) having an average physique. And the background visibility can be kept even better.
  • the line-of-sight information may be generated by dynamically measuring the position of the eye of the viewer and the line of sight of the viewer.
  • the screen display position (the position on the screen on which the image is displayed) to be dimmed is determined based on the dynamically changing line-of-sight position of the viewer.
  • the visibility of an image (the visibility of an individual viewer for each moment) when the image is viewed with a line of sight that changes for each moment of the individual viewer is determined.
  • the screen on which the image is displayed is dimmed independently for each tile that is virtually divided at a different dimming level.
  • the display is always displayed, as compared with the case where the dimming level is determined according to the visibility based on the estimated line-of-sight position of the individual viewer.
  • the visibility of the image can be improved, and the background field of view can be maintained even better.
  • the dimming level determining unit determines that the dimming of one or more dimming elements corresponding to the screen display position is not controlled. You may.
  • the viewpoint on the screen of the viewer changes dynamically every moment due to a change in the posture of the viewer, the position not seen by the viewer is not dimmed. This reduces unnecessary dimming of the screen and thus reduces the risk of poor visibility of the screen background environment (especially where the viewer is actually looking).
  • the screen may have a free curved surface.
  • the position of the display device may be determined so that the distortion of the image is reduced when the viewer views the displayed image. This allows the viewer to see the image with reduced distortion.
  • the screen may be the front window of the vehicle.
  • the position of the display device may be determined so that the distortion of the image is reduced when the viewer views the displayed image. As a result, the viewer can see the image with reduced distortion, which is highly safe.
  • the display device may be a projection device capable of projecting the image over the entire width direction of the front window.
  • the screen may be a vehicle window.
  • the display dimming control method is In order to display an image on a transparent screen from a display device having a display device, the position of the display device, which is the position of the display device that emits image light, is determined.
  • a dimming device having a plurality of dimming elements that independently controls the dimming level of the screen for each of a plurality of tiles that virtually divide the screen is controlled.
  • Background information which is information on the background environment of the screen, is acquired, and the dimming level for each of the one or more dimming elements is independent based on the background information of each of the one or more tiles corresponding to the one or more dimming elements. To decide.
  • the non-transient computer-readable recording medium is a non-transient computer-readable recording medium.
  • a display image generator that determines the position of the display device, which is the position of the display device that emits image light, in order to display an image on a transparent screen from a display device having a display device.
  • a dimming processing control unit that controls a dimming device having a plurality of dimming elements that independently controls the dimming level of the screen for each of a plurality of tiles that virtually divide the screen.
  • the dimming processing control unit of the display dimming control device having Determine one or more dimming elements that control the dimming level of one or more tiles corresponding to the screen display position, which is the position on the screen where the image is displayed by the image light emitted from the display device position.
  • Dimming position determination unit and Background information which is information on the background environment of the screen, is acquired, and the dimming level for each of the one or more dimming elements is independent based on the background information of each of the one or more tiles corresponding to the one or more dimming elements.
  • Record the display dimming control program that operates as the dimming level determination unit.
  • the display dimming system is A display device that has a display device and displays an image on a transparent screen, A dimming device having a plurality of dimming elements that independently controls the dimming level of the screen for each of a plurality of tiles that virtually divide the screen.
  • a display image generation unit that determines a display device position, which is a position of a display device that emits image light in order to display an image on the screen from the display device. Determine one or more dimming elements that control the dimming level of one or more tiles corresponding to the screen display position, which is the position on the screen where the image is displayed by the image light emitted from the display device position.
  • Dimming position determination unit and Background information which is information on the background environment of the screen, is acquired, and the dimming level for each of the one or more dimming elements is independent based on the background information of each of the one or more tiles corresponding to the one or more dimming elements.
  • the dimming level determination unit that is determined by And a dimming processing control unit that controls the dimming device, Display dimming control device with Equipped with.
  • the head-up display system is schematically shown.
  • the screen and the dimming element according to each embodiment of the present disclosure are schematically shown.
  • the configuration of the display dimming system according to the first embodiment of the present disclosure is shown.
  • Display Shows the operation flow of the dimming system.
  • the functional configuration of the dimming determination unit is shown.
  • the configuration of the display dimming system according to the second embodiment of the present disclosure is shown.
  • the display dimming control method is schematically shown.
  • Display Shows the operation flow of the dimming system.
  • the functional configuration of the dimming determination unit is shown.
  • the processing of the dimming level determination unit is schematically shown.
  • the configuration of the display dimming system according to the third embodiment of the present disclosure is shown. Display Shows the operation flow of the dimming system.
  • the functional configuration of the positional relationship information determination unit is shown.
  • the functional configuration of the dimming determination unit is shown.
  • the configuration of the display dimming system according to the fourth embodiment of the present disclosure is shown. Display Shows the operation flow of the dimming system.
  • the functional configuration of the positional relationship information determination unit is shown.
  • the functional configuration of the dimming determination unit is shown.
  • FIG. 1 schematically shows a head-up display system.
  • Each embodiment of the present disclosure relates to a head-up display system mounted on a vehicle.
  • the display device 20 is in a direct projection format and is installed in the dashboard DB.
  • the image light emitted by the display device 20 is reflected on the front window WS, which is a screen, so that an image (virtual image) is displayed on the front window WS.
  • the viewer occupant such as a driver
  • the front window WS of the vehicle is transparent and has a free curved surface.
  • the screen is the front window WS of the vehicle, but is not limited to this.
  • the screen may be a vehicle window (side window, rear window, roof window, etc.) other than the front window WS.
  • the screen may be transparent, and may be a window of a building, a window of a vehicle other than a vehicle, or the like. Further, the screen may be an area covering the entire front window WS and the left and right side windows.
  • both the viewer sitting in the driver's seat and the viewer sitting in the passenger seat have a wide and large screen displayed on the front window (on the entire front window and on the left and right side windows).
  • images eg, images of infotainment content
  • the entire front window is dimmed (dimmed) by installing a smoke film to improve the visibility of the image, the visibility of the background environment of the front window (the environment outside the vehicle in front of the vehicle) may deteriorate. ..
  • the front window of the vehicle is required to have high visibility in order to confirm the safety of the environment outside the vehicle. If the entire front window is dimmed at a dimming level that does not reduce the visibility of the background environment of the front window, the visibility of the image may deteriorate.
  • each embodiment of the present disclosure realizes a head-up display system that dimmes only the display position where the image on the front window (screen) is displayed.
  • FIG. 2 schematically shows a screen and a dimming element according to each embodiment of the present disclosure.
  • the display device 20 can display (project) an image on the display area WS1 which is almost the entire surface of the front window WS which is a transparent screen.
  • a plurality of dimming elements 420 are installed in the front window WS without gaps so as to cover the entire display area WS1.
  • the dimming level of each of the plurality of dimming elements 420 is variable independently. Thereby, the dimming element 420 can independently control the dimming level of the front window WS for each of a plurality of tiles in which the front window WS is virtually divided.
  • the size of each dimming element 420 is not limited and may be, for example, several centimeters square.
  • the dimming element 420 can be realized by, for example, a guest host type liquid crystal film, a polymer dispersed liquid crystal (PDLC: Polymer Dispersed Liquid Crystal) film, a suspended particle device (SPD: Suspended Particle Device) film, or the like.
  • the front window WS and the display area WS1 are shown as rectangles, and the dimming element 420 is shown as squares.
  • the front window WS has a free curved surface and has a different shape depending on the vehicle model.
  • the shape of the display area WS1 depends on the shape of the front window WS.
  • the shape and arrangement of the dimming element 420 also depends on the shape of the front window WS.
  • the shape and arrangement of the dimming element 420 may be any shape and arrangement that is easy to tiling according to the actual shape of the front window WS.
  • FIG. 3 shows the configuration of the display dimming system according to the first embodiment of the present disclosure.
  • the display dimming system 1 is a head-up display system mounted on a vehicle.
  • the display dimming system 1 includes a display dimming control device 10, a display device 20, and a dimming device 40.
  • the display dimming control device 10 includes a display image generation unit 100 and a dimming control unit 200.
  • the display image generation unit 100 acquires data (images, metadata) of contents (for example, safety-related contents, navigation contents, infotainment contents, vehicle information contents such as speed, etc.) from the content generation system 30.
  • the display dimming control device 10 realizes the content acquisition unit 110, the distortion correction processing unit 120, and the content output unit 130 by loading the display control program recorded in the ROM into the RAM and executing the CPU.
  • the display dimming control device 10 acquires an image of the content (content acquisition unit 110) and generates drawing data of the image corrected so that the distortion is reduced when the viewer views the image (distortion correction processing unit). 120), the drawing data is output to the display device 20 (content output unit 130).
  • the display device 20 is installed, for example, on the dashboard of the vehicle.
  • the display device 20 includes a display device control unit 21 and a display device 22.
  • the display device 22 uses a fine LED element such as a micro LED panel as a light source.
  • the display device control unit 21 controls the display device 22 and displays (projects) an image toward the front window of the vehicle, which is a transparent screen, based on the drawing data input from the display dimming control device 10. The viewer sees an image displayed (projected) from the display device 22 and reflected on the front window.
  • the display device 22 (micro LED panel or the like) is installed, for example, over the entire width direction / substantially the entire width direction of the dashboard.
  • the display device 22 may have one panel that is continuous over the entire width direction / substantially the entire width direction of the dashboard, or may have a plurality of panels divided in the width direction of the dashboard.
  • the display device is a system using a display device (LCD (Liquid Crystal Display), organic LED (Light Emitting Diode) display, micro LED display, etc.) without using a distortion correction lens or a distortion correction mirror.
  • LCD Liquid Crystal Display
  • organic LED Light Emitting Diode
  • micro LED display etc.
  • the display device may be a display device using a distortion correction lens, a distortion correction mirror, and a projector.
  • the content generation system 30 is a general term for a plurality of independent devices that generate content of an image displayed on the display device 20.
  • the content generation system 30 includes, for example, a safety-related content generation device, a navigation device, an infotainment device, and a vehicle information generation device.
  • the safety-related content generation device, navigation device, infotainment device, and vehicle information generation device each generate content data (image, metadata) and output it to the display dimming control device 10.
  • the dimming device 40 has a plurality of dimming elements 420.
  • the plurality of dimming elements 420 have the configuration shown in FIG. 2 and are installed without gaps so as to cover the front window.
  • the dimming level of each of the plurality of dimming elements 420 is variable independently. As a result, the dimming element 420 can independently control the dimming level of the front window for each of a plurality of tiles in which the front window is virtually divided.
  • the dimming control unit 200 realizes the background information acquisition unit 210, the dimming determination unit 220, and the dimming information output unit 230 by loading the display control program recorded in the ROM into the RAM and executing the CPU.
  • the dimming control unit 200 acquires illuminance information (illuminance information) of the background environment of the front window (environment outside the vehicle in front of the vehicle) from the illuminance sensor 51 (background information acquisition unit 210), and a plurality of dimming control units 200 are based on the illuminance information.
  • the dimming level of each dimming element 420 is independently determined (dimming determination unit 220), and the dimming level of each of a plurality of dimming elements 420 is output to the dimming device 40 (dimming information output unit 230). ).
  • FIG. 4 shows the operation flow of the display dimming system.
  • Step S100 Display image generation process
  • the content acquisition unit 110 of the display image generation unit 100 acquires the image data of the content generated by the content generation system 30 (step S110).
  • the distortion correction processing unit 120 of the display image generation unit 100 corrects the image so that the distortion of the image is reduced when the viewer views the image displayed on the front window. Specifically, the distortion correction processing unit 120 displays the position (micro LED) of the display device (micro LED) that emits image light in order to display an image of the content (an image of the target shape) from the display device 20 on the front window. Display device position) is determined. The distortion correction processing unit 120 generates correction image drawing data by drawing an image of the content based on the determined display device position (step S120).
  • the content output unit 130 of the display image generation unit 100 outputs the correction image drawing data generated by the distortion correction processing unit 120 to the display device 20 (step S130).
  • the dimming determination unit 220 of the dimming control unit 200 acquires the display content information 121 from the display image generation unit 100.
  • the display content information 121 includes image data of the content generated by the content generation system 30 and a display device position generated by the distortion correction processing unit 120 (step S210).
  • the background information acquisition unit 210 of the dimming control unit 200 acquires information (background information) of the background environment of the front window (screen) (step S220). Specifically, the background information acquisition unit 210 acquires the illuminance information 211 from the illuminance sensor 51 as the background information. The illuminance information 211 indicates the illuminance of the background environment.
  • FIG. 5 shows the functional configuration of the dimming determination unit.
  • the positional relationship information storage unit 221 of the dimming determination unit 220 stores the positional relationship information 201.
  • the positional relationship information 201 is information for converting the display device position 202 (coordinates of the micro LED) into the position 203 (coordinates) of the dimming element 420.
  • the positional relationship information 201 may be, for example, a look-up table, a conversion function, or the like.
  • the display device position 202 (coordinates of the micro LED) can be converted to the dimming element position 203
  • the image light emitted from the display device position 202 to the screen is viewed by an average physique viewer (driver or the like) from an average eye position.
  • the position (screen display position) at which the image is displayed on the screen is uniquely determined (calculated in advance) corresponding to the display device position 202.
  • the screen is covered with a plurality of dimming elements 420, that is, the screen is virtually divided into a plurality of tiles by the plurality of dimming elements 420 (FIG. 2). Therefore, when the screen display position on the screen is determined, the tile including the screen display position (the tile in which the screen is virtually divided) is uniquely determined. Once the tile is determined, the dimming element 420 that dims the tile is uniquely determined.
  • the dimming position determination unit 222 of the dimming determination unit 220 refers to the positional relationship information 201 of the positional relationship information storage unit 221 and determines one or more dimming elements 420 for controlling the dimming level (step S231). Specifically, the dimming position determination unit 222 refers to the positional relationship information 201, and sets the display device position 202 (included in the display content information 121 acquired from the display image generation unit 100) at the dimming element position 203. Convert. As a result, the dimming position determining unit 222 controls one or more dimming elements 420 that control the dimming level of one or more tiles corresponding to the screen display position displayed by the image light emitted from the display device position. decide.
  • the dimming position determination unit 222 determines only the dimming element 420 that covers the screen display position where the image is displayed as the control target of the dimming level, and the dimming element 420 that covers the position where the image on the screen is not displayed. Is not subject to dimming level control (no dimming).
  • the dimming level determination unit 223 of the dimming determination unit 220 acquires the illuminance information 211 from the background information acquisition unit 210, and the position information of one or more dimming elements 420 that control the dimming level from the dimming position determination unit 222. To get.
  • the dimming level determination unit 223 independently determines the dimming level for each dimming element 420 based on the background information (illuminance information 211) of each tile corresponding to the dimming element 420 (step S232). For example, when the background environment of some of the tiles whose screen is virtually divided is strong (for example, direct sunlight partially hits the screen), the dimming level determination unit 223 covers the tiles.
  • the dimming level for each dimming element 420 is independently determined so as to increase the dimming level of the element 420 (decrease the transmittance).
  • the dimming determination unit 220 of the dimming control unit 200 independently determines the dimming level for each of the plurality of dimming elements 420 (step S230).
  • the dimming information output unit 230 outputs the dimming level of each of the plurality of dimming elements 420 to the dimming device 40 (step S240).
  • the display device 20 acquires the corrected image drawing data (step S130) input from the display image generation unit 100 of the display dimming control device 10.
  • the display device control unit 21 controls the display device 22 to display (project) an image toward the front window of the vehicle, which is a screen, based on the drawing data.
  • the dimming device 40 acquires the dimming level (step S240) for each of the plurality of dimming elements 420 input from the dimming control unit 200 of the display dimming control device 10.
  • the dimming element control unit 410 independently controls a plurality of dimming elements 420 based on the dimming level of each dimming element 420, and changes the dimming rate (transmittance) for each dimming element 420. ..
  • the bright part raises the dimming level (lowers the transmittance) and the dark part dims.
  • the level can be relatively low.
  • the illuminance, density, and the like of the displayed image become close to uniform.
  • FIG. 6 shows the configuration of the display dimming system according to the second embodiment of the present disclosure.
  • the background information acquisition unit 210 of the display dimming system 2 acquires an external image from the front camera 52.
  • the dimming control unit 200 has a line-of-sight information storage unit 240. Except for the above configuration, the configuration of the display dimming system 2 is the same as the configuration of the display dimming system 1 of the first embodiment.
  • FIG. 7 schematically shows a display dimming control method.
  • the background information acquisition unit 210 acquires an external image 212 taken by the front camera 52 (a camera that captures the environment outside the vehicle in front of the vehicle).
  • the external image 212 is an image of the background environment (the environment outside the vehicle in front of the vehicle) of the front window WS (screen).
  • the dimming determination unit 220 further includes information on the color of the background environment (background color information) and information on the brightness of the background environment (background brightness information) included in the external image 212 as information on the background environment of the screen (background information). Based on this, the dimming level for each dimming element 420 is determined.
  • FIG. 8 shows the operation flow of the display dimming system.
  • step S200 The difference between the operation flow 2F of the display dimming system and the operation flow 1F (FIG. 4) of the display dimming system of the first embodiment is the specific method of the dimming control process (step S200). Hereinafter, the dimming control process will be described.
  • the dimming determination unit 220 of the dimming control unit 200 acquires display content information 121 (image data, display device position) from the display image generation unit 100 (step S210, same as the first embodiment).
  • the background information acquisition unit 210 of the dimming control unit 200 acquires information (background information) of the background environment of the front window (screen) (step S220). Specifically, the background information acquisition unit 210 acquires the illuminance information 211 from the illuminance sensor 51 as the background information. The background information acquisition unit 210 further acquires an external image 212 from the front camera 52. The external image 212 is an image of the background environment of the screen (the environment outside the vehicle in front of the vehicle).
  • FIG. 9 shows the functional configuration of the dimming determination unit.
  • the line-of-sight information storage unit 240 of the dimming determination unit 220 stores the line-of-sight model information and the positional relationship information 201.
  • the positional relationship information 201 is information for converting the display device position 202 to the dimming element position 203 (same as the first embodiment).
  • the dimming position determination unit 222 of the dimming determination unit 220 refers to the line-of-sight information storage unit 240 and acquires line-of-sight model information (step S250).
  • the line-of-sight model information is the line-of-sight of the viewer when it is assumed that the image light emitted from the display device position 202 to the screen is viewed by a viewer (driver, etc.) of an average physique from an average eye position. This is information indicating.
  • the dimming position determination unit 222 of the dimming determination unit 220 refers to the positional relationship information 201 of the line-of-sight information storage unit 240, and displays the display device position 202 (included in the display content information 121 acquired from the display image generation unit 100). Convert to the dimming element position 203. As a result, the dimming position determination unit 222 determines one or more dimming elements 420 that control the dimming level (step S231).
  • the visibility determination unit 224 of the dimming determination unit 220 determines the visibility of the image displayed on the screen. Specifically, the visibility determination unit 224 determines the visibility of each tile (tile in which the screen is virtually divided) of the image displayed on the screen (step S233). The visibility determination unit 224 acquires the display content information 121 (content image data, display device position), the external image 212, and the line-of-sight model information and the positional relationship information 201. The visibility determination unit 224 determines the visibility of the image when the viewer sees the image displayed at the screen display position based on the positional relationship information 201 with the line of sight based on the line-of-sight model information.
  • the visibility determination unit 224 determines the background color information (background environment color for each tile) and background brightness information (background environment brightness for each tile) for each tile corresponding to the screen display position from the external image 212. ..
  • the visibility determination unit 224 determines color information (image color information) and brightness information (image brightness information) of the content displayed on each tile corresponding to the screen display position.
  • the dimming level determination unit 223 of the dimming determination unit 220 acquires illuminance information 211 from the background information acquisition unit 210, and acquires visibility information (chromaticity contrast, luminance contrast) for each tile from the visibility determination unit 224. , The position information of one or more dimming elements 420 that control the dimming level is acquired from the dimming position determination unit 222. The dimming level determination unit 223 determines the dimming level for each dimming element 420 based on the background information (illuminance information 211) and visibility information (chromaticity contrast, luminance contrast) of each tile corresponding to the dimming element 420. It is determined independently (step S232).
  • the dimming level determination unit 223 determines that dimming is not performed in principle when the background illuminance level is low (dark), but dimming is performed when the color of the displayed image is dark (brightness contrast is small). , The dimming level may be determined for each tile. The dimming level determination unit 223 does not dimming when the background illuminance level is medium, but determines that dimming is performed when the color of the external image 212 and the color of the image are similar (the chromaticity contrast is small). Then, the dimming level may be determined for each tile. When the level of illuminance in the background is high (bright), the dimming level determining unit 223 determines that dimming is performed in principle, and may determine the dimming level for each tile.
  • FIG. 10 schematically shows the processing of the dimming level determination unit.
  • the dimming level determination unit 223 determines that dimming is performed when the brightness contrast (brightness of the displayed image / brightness of the background environment) is equal to or less than a predetermined threshold value, and determines that the dimming is performed, and the illuminance of the background (diplomatic illuminance). The presence or absence of dimming and the dimming level may be determined accordingly.
  • the dimming determination unit 220 of the dimming control unit 200 independently determines the dimming level for each of the plurality of dimming elements 420 (step S230).
  • the dimming information output unit 230 outputs the dimming level of each of the plurality of dimming elements 420 to the dimming device 40 (step S240, the same as the first embodiment).
  • the visibility (chromaticity contrast, luminance contrast) of the image based on the average line-of-sight position of the viewer is determined.
  • the screen on which the image is displayed is dimmed at different dimming levels independently for each tile that is virtually divided according to the visibility of the image. do.
  • the dimming level is increased (transmission is lowered) in the part where the chromaticity and brightness of the image are close to the chromaticity and brightness of the background environment (contrast is small), and the chromaticity and brightness of the image are increased.
  • the dimming level can be made relatively low in the portion where the difference between the brightness and the chromaticity or brightness of the background environment is large (the contrast is large).
  • the screen on which the image is displayed can be independently dimmed at different dimming levels for each of the virtually divided tiles according to the chromaticity and brightness of the image.
  • the illuminance, density, and the like of the displayed image become more and more uniform.
  • FIG. 11 shows the configuration of the display dimming system according to the third embodiment of the present disclosure.
  • the dimming control unit 200 of the display dimming system 3 does not have the line-of-sight information storage unit 240, but instead has a line-of-sight information acquisition unit 250 and a positional relationship information determination unit 260.
  • the vehicle interior monitoring camera 53 is installed on the dashboard of the vehicle, for example.
  • the vehicle interior monitoring camera 53 photographs a viewer (typically, a driver) who sees an image, and outputs the captured image data to the line-of-sight information generation unit 54.
  • the line-of-sight information generation unit 54 acquires captured image data from the vehicle interior monitoring camera 53.
  • the line-of-sight information generation unit 54 generates the line-of-sight information 251 of the viewer based on the captured image data.
  • the line-of-sight information 251 indicates the line-of-sight of the viewer that is uniquely estimated based on the position of the eyes of the viewer. In other words, the line-of-sight information 251 is not generated by dynamically measuring the position of the eye of the viewer and the line of sight of the viewer.
  • the line-of-sight information generation unit 54 may be realized by dedicated hardware resources and software resources. Alternatively, the line-of-sight information generation unit 54 may be realized by the dimming control unit 200 loading the display control program recorded in the ROM into the RAM and executing the CPU.
  • the line-of-sight information acquisition unit 250 acquires the line-of-sight information 251 (uniquely estimated line of sight of the viewer) generated by the line-of-sight information generation unit 54.
  • the positional relationship information determination unit 260 generates positional relationship information based on the line-of-sight information 251. In the first embodiment and the second embodiment, one positional relationship information 201 based on the line of sight of the average viewer is always used. On the other hand, in the third embodiment, the positional relationship information determination unit 260 generates the positional relationship information based on the line-of-sight information 251 of the individual viewer.
  • the configuration of the display dimming system 3 is the same as the configuration of the display dimming system 2 of the second embodiment.
  • FIG. 12 shows the operation flow of the display dimming system.
  • step S200 The difference between the operation flow 3F of the display dimming system and the operation flow 2F (FIG. 8) of the display dimming system of the second embodiment is the specific method of the dimming control process (step S200). Hereinafter, the dimming control process will be described.
  • the dimming determination unit 220 of the dimming control unit 200 acquires display content information 121 (image data, display device position) from the display image generation unit 100 (step S210, same as the second embodiment).
  • the background information acquisition unit 210 of the dimming control unit 200 acquires information (background information) of the background environment of the front window (screen) (step S220, same as the second embodiment). Specifically, the background information acquisition unit 210 acquires the illuminance information 211 from the illuminance sensor 51 as the background information. The background information acquisition unit 210 further acquires an external image 212 from the front camera 52.
  • the line-of-sight information acquisition unit 250 acquires the line-of-sight information 251 (uniquely estimated viewer's line of sight) generated by the line-of-sight information generation unit 54 (step S250).
  • FIG. 13 shows the functional configuration of the positional relationship information determination unit.
  • the reference information storage unit 261 of the positional relationship information determination unit 260 stores reference information.
  • the reference information is information used for generating positional relationship information (information for converting the display device position 202 to the position 203 of the dimming element as in the positional relationship information 201 of the first embodiment). be.
  • the reference information storage unit 261 stores a plurality of positional relationship information 201 (same format as the look-up table in FIG. 5) corresponding to different line-of-sight information (variations of line-of-sight).
  • the reference information storage unit 261 may store a plurality of different positional relationship information 201 according to the difference in the seat of the viewer and the difference in the physique of the viewer.
  • the three positions on the left and right are the driver's seat, the passenger seat, and the center of the driver's seat and the passenger seat (virtual viewer positions when the viewer in the driver's seat and the viewer in the passenger seat view the image). It's fine.
  • the reference information storage unit 261 converts the display device position 202 (coordinates of the micro LED) into the dimming element position 203 (coordinates) in the three-dimensional space (curved surface of the screen).
  • the positional relationship information may be stored.
  • the positional relationship information generation unit 262 of the positional relationship information determination unit 260 is based on the line-of-sight information 251 (uniquely estimated viewer's line of sight) and the reference information stored in the reference information storage unit 261. 263 (information for converting the display device position 202 to the position 203 of the dimming element as in the positional relationship information 201 of the first embodiment) is generated (step S260).
  • the positional relationship information generation unit 262 determines the positional relationship information 263 by reading out one positional relationship information 201 closest to the line-of-sight information 251 from the 27 positional relationship information 201. Just do it.
  • the positional relationship information generation unit 262 may generate the positional relationship information 263 by using a plurality of positional relationship information 201 and weighting averages according to distances.
  • the positional relationship information generation unit 262 sets the display device position 202 to the dimming element according to the line-of-sight information 251 and the dimming element position 203 (coordinates) in the three-dimensional space (curved surface of the screen).
  • the positional relationship information 263 for conversion to the position 203 may be generated.
  • FIG. 14 shows the functional configuration of the dimming determination unit.
  • the dimming position determination unit 222 of the dimming determination unit 220 acquires the positional relationship information 263 generated by the positional relationship information generation unit 262 of the positional relationship information determination unit 260.
  • the dimming position determination unit 222 refers to the positional relationship information 263 and converts the display device position 202 (included in the display content information 121 acquired from the display image generation unit 100) into the dimming element position 203. As a result, the dimming position determination unit 222 determines one or more dimming elements 420 that control the dimming level (step S231).
  • the visibility determination unit 224 of the dimming determination unit 220 determines the visibility of the image displayed on the screen. Specifically, the visibility determination unit 224 determines the visibility of each tile (tile in which the screen is virtually divided) of the image displayed on the screen (step S233). The visibility determination unit 224 acquires the display content information 121 (content image data, display device position), the external image 212, the line-of-sight information 251 and the positional relationship information 263. The visibility determination unit 224 determines the visibility (chromaticity contrast, luminance contrast) of the image when the viewer sees the image displayed at the screen display position based on the positional relationship information 263 with the line of sight based on the line-of-sight information 251. Is determined.
  • the dimming level determination unit 223 of the dimming determination unit 220 acquires illuminance information 211 from the background information acquisition unit 210, and acquires visibility information (chromaticity contrast, luminance contrast) for each tile from the visibility determination unit 224. , The position information of one or more dimming elements 420 that control the dimming level is acquired from the dimming position determination unit 222. The dimming level determination unit 223 determines the dimming level for each dimming element 420 based on the background information (illuminance information 211) and visibility information (chromaticity contrast, luminance contrast) of each tile corresponding to the dimming element 420. Determined independently (step S232; same as the second embodiment).
  • the dimming determination unit 220 of the dimming control unit 200 independently determines the dimming level for each of the plurality of dimming elements 420 (step S230).
  • the dimming information output unit 230 outputs the dimming level of each of the plurality of dimming elements 420 to the dimming device 40 (step S240, the same as the second embodiment).
  • the screen display position (the position on the screen on which the image is displayed) to be dimmed is determined based on the estimated line-of-sight position of the individual viewer. As a result, there is a high possibility that the image viewed by the viewer will be dimmed. Further, according to the third embodiment, the visibility of the image (estimated visibility of the individual viewer) when the image is viewed with the estimated line of sight of the individual viewer is determined. Depending on the estimated visibility of the image of the individual viewer, the screen on which the image is displayed is dimmed independently for each tile that is virtually divided at a different dimming level. As a result, the visibility of the displayed image can be improved for the individual viewer and the background visibility is improved as compared with the case where the dimming level is determined according to the visibility for the viewer (model) having an average physique. Can be kept better.
  • FIG. 15 shows the configuration of the display dimming system according to the fourth embodiment of the present disclosure.
  • the line-of-sight information generation unit 54 generates the line-of-sight information 252 of the viewer based on the captured image data from the vehicle interior monitoring camera 53.
  • the line-of-sight information 252 indicates the line-of-sight of the viewer generated by dynamically measuring the position of the eyes of the viewer and the line of sight of the viewer.
  • the line-of-sight information 252 is different from the line-of-sight information 251 (uniquely estimated line-of-sight of the viewer), and is the line-of-sight of the viewer that dynamically changes every moment.
  • the line-of-sight information generation unit 54 further generates the viewpoint position information 253 based on the line-of-sight information 252 of the viewer.
  • the viewpoint position information 253 indicates a viewpoint on the screen of the viewer that dynamically changes every moment.
  • the positional relationship information determination unit 260 generates 264 reports of positional relationship information based on the line-of-sight information 252 (the dynamically changing line of sight of the viewer).
  • the positional relationship information determination unit 260 generated the positional relationship information 263 based on the line-of-sight information 251 (uniquely estimated viewer's line of sight).
  • the positional relationship information determination unit 260 generates the positional relationship information 264 based on the line-of-sight information 252 (the dynamically changing line of sight of the viewer).
  • the configuration of the display dimming system 4 is the same as the configuration of the display dimming system 3 of the third embodiment.
  • FIG. 16 shows the operation flow of the display dimming system.
  • step S200 The difference between the operation flow 4F of the display dimming system and the operation flow 3F (FIG. 12) of the display dimming system of the third embodiment is the specific method of the dimming control process (step S200). Hereinafter, the dimming control process will be described.
  • the dimming determination unit 220 of the dimming control unit 200 acquires display content information 121 (image data, display device position) from the display image generation unit 100 (step S210, same as the third embodiment).
  • the background information acquisition unit 210 of the dimming control unit 200 acquires information (background information) of the background environment of the front window (screen) (step S220, same as the third embodiment). Specifically, the background information acquisition unit 210 acquires the illuminance information 211 from the illuminance sensor 51 as the background information. The background information acquisition unit 210 further acquires an external image 212 from the front camera 52.
  • the line-of-sight information acquisition unit 250 acquires the line-of-sight information 252 (the dynamically changing line of sight of the viewer) generated by the line-of-sight information generation unit 54 (step S250).
  • FIG. 17 shows the functional configuration of the positional relationship information determination unit.
  • the positional relationship information generation unit 262 of the positional relationship information determination unit 260 has the line-of-sight information 252 (the dynamically changing line of sight of the viewer) and the reference information stored in the reference information storage unit 261 (same as the third embodiment). Based on the reference information), the positional relationship information 264 (information for converting the display device position 202 to the position 203 of the dimming element; the same as the positional relationship information 263 of the third embodiment) is generated (step S260). ).
  • the positional relationship information generation unit 262 generated one positional relationship information 263 based on the line-of-sight information 251 (uniquely estimated viewer's line of sight).
  • the positional relationship information generation unit 262 generates the positional relationship information 264 every moment based on the line-of-sight information 252 (the dynamically changing line of sight of the viewer). In other words, when the line-of-sight information 252 (viewer's line of sight) changes due to a change in the posture of the viewer or the like, different positional relationship information 264 is generated.
  • FIG. 18 shows the functional configuration of the dimming determination unit.
  • the dimming position determination unit 222 of the dimming determination unit 220 obtains the positional relationship information 264 (different according to the dynamically changing line of sight of the viewer) generated by the positional relationship information generation unit 262 of the positional relationship information determination unit 260. get.
  • the dimming position determination unit 222 refers to the positional relationship information 264 and converts the display device position 202 (included in the display content information 121 acquired from the display image generation unit 100) into the dimming element position 203. As a result, the dimming position determination unit 222 determines one or more dimming elements 420 that control the dimming level (step S231).
  • the dimming position determination unit 222 determines one or more dimming elements 420 that control the dimming level based on one positional relationship information 263.
  • the positional relationship information generation unit 262 sets the dimming level every moment based on the positional relationship information 264 (which differs according to the dynamically changing line of sight of the viewer).
  • One or more dimming elements 420 to be controlled are determined. In other words, when the line-of-sight information 252 (viewer's line of sight) changes due to a change in the posture of the viewer or the like, one or more dimming elements 420 that control different dimming levels are determined.
  • the visibility determination unit 224 of the dimming determination unit 220 determines the visibility of the image displayed on the screen. Specifically, the visibility determination unit 224 determines the visibility of each tile (tile in which the screen is virtually divided) of the image displayed on the screen (step S233).
  • the visibility determination unit 224 includes display content information 121 (content image data, display device position), external image 212, line-of-sight information 252 (dynamically changing viewer's line of sight), and positional relationship information 264 (movement). It depends on the viewer's line of sight, which changes).
  • the visibility determination unit 224 determines the visibility (chromaticity contrast, luminance contrast) of the image when the viewer sees the image displayed at the screen display position based on the positional relationship information 264 with the line of sight based on the line-of-sight information 252. Is determined.
  • the dimming level determination unit 223 of the dimming determination unit 220 acquires illuminance information 211 from the background information acquisition unit 210, and acquires visibility information (chromaticity contrast, luminance contrast) for each tile from the visibility determination unit 224. , The position information of one or more dimming elements 420 that control the dimming level is acquired from the dimming position determination unit 222. The dimming level determination unit 223 of the dimming determination unit 220 further acquires the viewpoint position information 253 from the line-of-sight information acquisition unit 250.
  • the dimming level determination unit 223 is a tile corresponding to one or more dimming elements 420 that controls the dimming level based on the viewpoint position information 253 (viewpoint on the viewer's screen that dynamically changes every moment). Determines if the viewer is currently viewing a tile whose screen is virtually divided).
  • the dimming level determining unit 223 determines the dimming level of the one or more dimming elements 420. do.
  • the dimming level determination unit 223 determines the dimming level for each dimming element 420 based on the background information (illuminance information 211) and visibility information (chromaticity contrast, luminance contrast) of each tile corresponding to the dimming element 420. It is determined independently (step S232).
  • the dimming level determination unit 223 controls the dimming level when the viewpoint position information 253 (the viewpoint on the viewer's screen that dynamically changes every moment) changes due to a change in the posture of the viewer or the like. If it is determined that the viewer does not see the tile corresponding to one or more dimming elements 420, the one or more dimming elements 420 are not dimmed.
  • the dimming determination unit 220 of the dimming control unit 200 independently determines the dimming level for each of the plurality of dimming elements 420 (step S230).
  • the dimming information output unit 230 outputs the dimming level of each of the plurality of dimming elements 420 to the dimming device 40 (step S240, the same as the third embodiment).
  • the screen display position (the position on the screen on which the image is displayed) to be dimmed is determined based on the dynamically changing line-of-sight position of the viewer. ..
  • the visibility of the image (the visibility of the individual viewer for each moment) when the image is viewed with the line of sight that changes for each moment of the individual viewer is determined.
  • the screen on which the image is displayed is dimmed independently for each tile that is virtually divided at a different dimming level.
  • the display is always displayed, as compared with the case where the dimming level is determined according to the visibility based on the estimated line-of-sight position of the individual viewer.
  • the visibility of the image can be improved and the background visibility can be kept better.
  • the viewpoint on the screen of the viewer changes dynamically every moment due to a change in the posture of the viewer or the like, the position not seen by the viewer is dimmed. do not do. This reduces unnecessary dimming of the screen and thus reduces the risk of poor visibility of the screen background environment (especially where the viewer is actually looking).
  • the visibility of the image may decrease due to the brightness of the environment that is the background of the image and the influence of objects.
  • a smoke film that reduces the light incident from the window or a dimming film that can change the dimming level on the entire surface of the screen.
  • the entire surface of the screen is uniformly dimmed or dimmed. Therefore, if the screen is dimmed (dimmed) in order to improve the visibility of the image, the visibility of the background environment of the screen may deteriorate.
  • the screen display position where the image is displayed is dimmed, and the position where the image on the screen is not displayed is not dimmed.
  • the visibility of the image is improved by dimming, and at the same time, the visibility of the background environment of the screen is not deteriorated.
  • the screen on which the image is displayed is independently dimmed at a different dimming level for each tile that is virtually divided according to the difference in the illuminance of the background environment (presence or absence of direct sunlight, etc.).
  • the display dimming control device, the dimming device, and the display device have been described. However, one device may be included in another.
  • a display dimming control device may be included in the dimming device. Further, at least one of the blocks included in each device may be included in another device. Further, at least one of the blocks included in each device may be provided as a display dimming control device, a dimming device, or another device different from the display device.
  • This disclosure may have the following configurations.
  • a display image generator that determines the position of the display device, which is the position of the display device that emits image light, in order to display an image on a transparent screen from a display device having a display device.
  • a dimming processing control unit that controls a dimming device having a plurality of dimming elements that independently controls the dimming level of the screen for each of a plurality of tiles that virtually divide the screen. Determine one or more dimming elements that control the dimming level of one or more tiles corresponding to the screen display position, which is the position on the screen where the image is displayed by the image light emitted from the display device position.
  • Dimming position determination unit and Background information which is information on the background environment of the screen, is acquired, and the dimming level for each of the one or more dimming elements is independent based on the background information of each of the one or more tiles corresponding to the one or more dimming elements.
  • the dimming level determination unit that is determined by Dimming processing control unit with Display dimming control device.
  • the background information includes illuminance information which is information on the illuminance of the background environment.
  • the dimming level determining unit independently determines the dimming level for each of the one or more dimming elements based on the illuminance information of each of the one or more tiles corresponding to the one or more dimming elements. Control device.
  • the dimming processing control unit further includes a visibility determination unit that determines the visibility of each of the one or more tiles.
  • the dimming level determining unit is a display dimming control device that independently determines the dimming level for each of the one or more dimming elements based on the visibility.
  • the background information includes background color information which is color information of the background environment.
  • the visibility determination unit is divided into background color information of each of one or more tiles corresponding to the one or more dimming elements and image color information which is color information of an image displayed for each of the one or more tiles. Based on this, a display dimming control device that determines the visibility of each of the one or more tiles.
  • the display dimming control device includes luminance information which is information on the luminance of the background environment.
  • the visibility determination unit is divided into background luminance information of each of the one or more tiles corresponding to the one or more dimming elements and image luminance information which is information of the luminance of the image displayed for each of the one or more tiles. Based on this, a display dimming control device that determines the visibility of each of the one or more tiles.
  • (6) The display dimming control device according to any one of (3) to (5) above.
  • the dimming processing control unit The screen display is the position on the screen where the image is displayed by the image light emitted from the display device position, based on the line-of-sight information which is the information indicating the line-of-sight of the viewer who sees the image. It further has a positional relationship information generation unit that generates positional relationship information that is information for converting into one or more dimming elements that control the dimming level of one or more tiles corresponding to positions.
  • the dimming position determining unit is a display dimming control device that determines one or more dimming elements based on the positional relationship information. (7) The display dimming control device according to (6) above.
  • the visibility determination unit is a display dimming control device that determines visibility based on line-of-sight information, which is information indicating the line-of-sight of a viewer viewing the image, and positional relationship information.
  • line-of-sight information is information indicating the line-of-sight of a viewer viewing the image, and positional relationship information.
  • the line-of-sight information is a display dimming control device estimated based on the position of the viewer's eyes.
  • the line-of-sight information is a display dimming control device generated by dynamically measuring the position of the eye of the viewer and the line of sight of the viewer.
  • the dimming level determining unit determines that the dimming of one or more dimming elements corresponding to the screen display position is not controlled.
  • Display dimming control device (11) The display dimming control device according to any one of (1) to (10) above.
  • the screen is a display dimming control device having a free curved surface.
  • the screen is a display dimming control device which is a front window of a vehicle.
  • the display device is a display dimming control device that is a projection device capable of projecting the image over the entire width direction of the front window.
  • the display dimming control device according to any one of (1) to (10) above.
  • the screen is a display dimming control device that is a window of a vehicle.
  • the position of the display device which is the position of the display device that emits image light, is determined.
  • a dimming device having a plurality of dimming elements that independently controls the dimming level of the screen for each of a plurality of tiles that virtually divide the screen is controlled.
  • a display image generator that determines the position of the display device, which is the position of the display device that emits image light, in order to display an image on a transparent screen from a display device having a display device.
  • a dimming processing control unit that controls a dimming device having a plurality of dimming elements that independently controls the dimming level of the screen for each of a plurality of tiles that virtually divide the screen.
  • the dimming processing control unit of the display dimming control device having Determine one or more dimming elements that control the dimming level of one or more tiles corresponding to the screen display position, which is the position on the screen where the image is displayed by the image light emitted from the display device position.
  • Dimming position determination unit and Background information which is information on the background environment of the screen, is acquired, and the dimming level for each of the one or more dimming elements is independent based on the background information of each of the one or more tiles corresponding to the one or more dimming elements.
  • a non-transient computer-readable recording medium that records a display dimming control program that acts as a dimming level determiner.
  • a display device that has a display device and displays an image on a transparent screen, A dimming device having a plurality of dimming elements that independently controls the dimming level of the screen for each of a plurality of tiles that virtually divide the screen.
  • a display image generation unit that determines a display device position, which is a position of a display device that emits image light in order to display an image on the screen from the display device. Determine one or more dimming elements that control the dimming level of one or more tiles corresponding to the screen display position, which is the position on the screen where the image is displayed by the image light emitted from the display device position.
  • Dimming position determination unit and Background information which is information on the background environment of the screen, is acquired, and the dimming level for each of the one or more dimming elements is independent based on the background information of each of the one or more tiles corresponding to the one or more dimming elements.
  • the dimming level determination unit that is determined by And a dimming processing control unit that controls the dimming device, Display dimming control device with Display dimming system equipped with.
  • Display dimming system 10 Display dimming control device 100 Display image generation unit 110 Content acquisition unit 120 Distortion correction processing unit 121 Display content information 130 Content output unit 20 Display device 200 Dimming control unit 201 Positional relationship Information 202 Display device position 203 Dimming element position 21 Display device control unit 210 Background information acquisition unit 211 Illumination information 212 External image 22 Display device 220 Dimming judgment unit 221 Positional information storage unit 222 Dimming position determination unit 223 Dimming level Determination unit 224 Visibility determination unit 230 Dimming information output unit 240 Line-of-sight information storage unit 250 Line-of-sight information acquisition unit 251 Line-of-sight information 252 Line-of-sight information 260 Positional relationship information determination unit 261 Reference information storage unit 262 Positional relationship information generation unit 263 Positional relationship information 264 Positional information 30 Content generation system 40 Dimming device 410 Dimming element control unit 420 Dimming element 51 Illumination sensor 52 Front camera 53 Vehicle interior monitoring camera 54 Line-of-sight information generation

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PCT/JP2021/041837 2020-12-16 2021-11-15 表示調光制御装置、表示調光制御方法、記録媒体及び表示調光システム Ceased WO2022130865A1 (ja)

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EP21906229.6A EP4265461A4 (en) 2020-12-16 2021-11-15 DISPLAY DIMMING CONTROL APPARATUS, DISPLAY DIMMING CONTROL METHOD, RECORDING MEDIUM, AND DISPLAY DIMMING SYSTEM
CN202180083009.1A CN116710309A (zh) 2020-12-16 2021-11-15 显示调光控制装置、显示调光控制方法、记录介质和显示调光系统
US18/255,104 US12560998B2 (en) 2020-12-16 2021-11-15 Display dimming control apparatus, display dimming control method, recording medium, and display dimming system
KR1020237018361A KR20230118557A (ko) 2020-12-16 2021-11-15 표시 조광 제어 장치, 표시 조광 제어 방법, 기록 매체 및 표시 조광 시스템
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EP4265461A1 (en) 2023-10-25
CN116710309A (zh) 2023-09-05

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