WO2018192259A1 - Appareil d'affichage tête haute à montage divisé et son procédé de mise en œuvre - Google Patents

Appareil d'affichage tête haute à montage divisé et son procédé de mise en œuvre Download PDF

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Publication number
WO2018192259A1
WO2018192259A1 PCT/CN2017/118944 CN2017118944W WO2018192259A1 WO 2018192259 A1 WO2018192259 A1 WO 2018192259A1 CN 2017118944 W CN2017118944 W CN 2017118944W WO 2018192259 A1 WO2018192259 A1 WO 2018192259A1
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WIPO (PCT)
Prior art keywords
imaging
mirror
vehicle
head
module
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PCT/CN2017/118944
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English (en)
Chinese (zh)
Inventor
闵剑锋
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苏州车萝卜汽车电子科技有限公司
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Publication of WO2018192259A1 publication Critical patent/WO2018192259A1/fr

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/20—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used
    • B60R2300/205—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used using a head-up display
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
    • B60R2300/804—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for lane monitoring
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0179—Display position adjusting means not related to the information to be displayed
    • G02B2027/0183—Adaptation to parameters characterising the motion of the vehicle

Definitions

  • the present application relates to the field of automotive products, and in particular, to a split-type mounted head-up display device and a method for implementing the same.
  • the windshield meter display also known as the head-up display system
  • the use of a head-up digital display allows the driver to see the information without having to bow his head, thus avoiding distracting attention to the road ahead. At the same time, it is not necessary to adjust the eye between the road in the distance and the instrument in the vicinity to avoid eye fatigue.
  • the head-up digital display device in the prior art generally includes the following several solutions, for example, the Chinese application number CN201520454544.5, the HUD imaging screen capable of adjusting the vehicle-mounted HUD intelligent terminal, the vehicle-mounted HUD intelligent terminal including the host computer and the HUD imaging screen.
  • the onboard HUD intelligent terminal further includes an adjustment mechanism capable of causing the HUD imaging screen to perform angle adjustment on the mainframe.
  • the disadvantage is that since the vehicle-mounted HUD intelligent terminal is an integrated structure, it is necessary to ensure that the host itself will occupy a large space inside the vehicle due to the reflection of the optical path.
  • the Chinese application number CN201620109347.4 a HUD device with a touch display function, a HUD body and a touch display, the touch display is electrically connected to the HUD body, and the content displayed by the touch display and the HUD body The projected content is the same.
  • the disadvantage is that with the touch display, manual control and operation are required, and the problem of driving safety cannot be solved.
  • the Chinese application number CN201620471742.7 a vehicle-mounted HUD intelligent terminal, is mounted with a power source and a circuit board electrically connected to the power source, and the circuit board is integrated with a Bluetooth module, an MCU chip, and an upper part of the casing.
  • the housing is connected to the liquid crystal display module, the liquid crystal display module is electrically connected to the MCU chip, and the other end of the upper portion of the housing is rotatably connected with a HUD imaging screen for receiving a projected image of the liquid crystal display module, and the HUD imaging screen is a concave mirror.
  • the surface of the HUD imaging screen is provided with a nano optical coating
  • the liquid crystal display module comprises a bracket and a heat sink, an LED light source, an LED light cup, a prism sheet and a liquid crystal display arranged in sequence from one end of the bracket to the other end.
  • the display terminal is mostly integrated structure, occupying the effective use area inside the car,
  • the reflection angle of the reflection mechanism on the terminal cannot be adaptively adjusted, and the performance of the driver is actively adapted to the driver.
  • the imaging mode of the image source on the terminal is easily affected by external light, thereby affecting the driver's driving comfort and safety.
  • the technical problem to be solved by the present application is to provide a split-mount display device that can reduce external light interference and perform adaptive adjustment.
  • a split-type mounted head-up display device including:
  • a reflecting device mounted on an in-vehicle instrument panel for receiving image information transmitted from the imaging device
  • the driver observes the virtual image of the image information through the windshield.
  • the reflector device has an angle-adjustable mirror module, and controls an angular position of the mirror module through a motor structure.
  • the mirror module includes at least one free-form mirror surface.
  • the split type mechanism is adopted to reduce the space occupied by the device in the vehicle.
  • the motor structure By using the motor structure to automatically or manually adjust the position angle of the mirror module, it is suitable for drivers of different body shapes.
  • the design of the free-form surface mirror is different from the plane mirror used in the prior art, which can minimize the image distortion caused by wind and external light.
  • the method further includes: a rotatable camera mounted on the reflective device, the orientation of the rotatable camera defaults to a driver direction, and the rotatable camera includes at least: a built-in camera, an infrared compensation device, and a microphone array.
  • the built-in camera is configured to collect image information of a driver in the vehicle.
  • the infrared compensation device is configured to perform light compensation with the built-in camera.
  • the microphone array is configured to collect and identify voice information of a driver in the vehicle.
  • the built-in camera can be powered by a wireless contact connection.
  • the built-in camera is also configured to collect video data inside and outside the vehicle.
  • the rotatable camera recognizes sounds from different directions and defaults to the driver's direction for fatigue driving and distracting driving warnings.
  • the imaging device includes: an LCD liquid crystal imaging screen module,
  • the LCD liquid crystal imaging screen module comprises: an enhanced backlight mechanism for improving the brightness of the imaging screen, a heat dissipation mechanism for cooling the temperature, and a fan mechanism, and the brightness of the imaging screen is set within a brightness range of 15000 nit to 45000 nit. .
  • the brightness of the LCD liquid crystal imaging panel module is increased by 15000 nit to even 45,000 nit, so that the ordinary front glass can be used in daylight without any film.
  • Nit is a unit of visible light intensity and is usually used to indicate the brightness of a cathode ray tube or liquid crystal display computer.
  • the above LCD liquid crystal imaging screen module operates at a frequency of 10w-100w, thereby obtaining the highest performance value.
  • the LCD liquid crystal imaging screen module is adhered or adsorbed to the front windshield or the rearview mirror, and inputs/outputs data through the interior rearview mirror, and power supply.
  • the LCD liquid crystal imaging screen module supports a plurality of mounting methods, for example, sticking or adsorbing on the windshield through the Vientiane ball bracket.
  • the card holder with the universal ball structure is fixed to the rear view mirror in a snap structure.
  • the contact surface area of the universal ball bracket and the front windshield stuck or adsorbed on the windshield is large, which serves as a sunshade, and reduces the direct sunlight of the LCD liquid crystal imaging panel module, thereby reducing the influence of high temperature exposure.
  • the motor structure includes at least two motors for controlling the mirror modules to adjust the angles on the X axis, the Y axis, and the Z axis, respectively.
  • the free-form surface mirror is plated on the outer layer, and the free-form surface mirror is configured to cancel the distortion of the projected image in the horizontal direction and the vertical direction within a set curvature. By plating on the surface, it is possible to avoid the problem of ghosting on the reflective screen itself.
  • the LCD liquid crystal imaging screen module is configured as a projector of a peripheral device or a separate imaging device.
  • the imaging device further includes: one or more imaging devices of an LED imaging device, a DLP imaging device, a laser projection device, or an LCOS projection.
  • the imaging device and the reflecting device are configured to automatically adjust the set relative position according to a driver's eye position, and the driver's eye position can be collected and further identified by the configured camera.
  • the present application further provides a method for implementing a split-type head-up display device, in which a reflective film for increasing display brightness is added to a front windshield of the vehicle, and the following steps are included:
  • An image source imaging device for in-vehicle projection is installed in the vehicle.
  • the driver After adjusting the imaging device and the reflecting device to a set relative position, the driver observes the virtual image of the image information through the windshield.
  • the mirror module is configured to include at least one free-form surface mirror.
  • the distance between the above-mentioned reflecting device and the image source imaging device is not more than 550 mm, and an optimal imaging effect can be obtained.
  • the image source imaging device may be a plurality of combinations, and the distances of the reflective screens are different, thereby forming a virtual image at a different distance from the user's human eye. Virtual images at different distances show different driving information.
  • the space occupied in the vehicle can be reduced. Since the imaging device and the reflecting device are adjusted to a set relative position, the driver observes a virtual image of the image information through the windshield, and the reflecting device has an angle-adjustable mirror module. And controlling the angular position of the mirror module through the motor structure, the adaptive adjustment of the mirror module can be realized, thereby being able to actively adapt to the driver. Since the mirror module includes at least one free-form surface mirror, the distortion of the projected image can be solved.
  • FIG. 1 is a schematic view showing the principle of a split-type head-up display device according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a split-type head-up display device according to an embodiment of the present invention
  • FIG. 3 is a schematic structural view of a split-type head-up display device according to another embodiment of the present invention.
  • Figure 4 is a schematic diagram of the principle of Figure 3;
  • Figure 5 is a schematic diagram of the principle of the rotatable camera of Figure 4.
  • FIG. 6 is a schematic structural view of an LCD liquid crystal imaging panel module in the present invention.
  • Figure 7 is a schematic view of a preferred embodiment of an image forming apparatus in the present invention.
  • Figure 8 is a schematic view of a preferred embodiment of a reflecting device in the present invention.
  • Figure 9 (a) is a schematic external view of the steering gear of the reflecting device of the present invention.
  • Figure 9 (b) is a schematic view showing the control principle of the steering gear of the reflecting device of the present invention.
  • FIG. 10 is a schematic flow chart of a method in an embodiment of the present invention.
  • the above partial terms may be used to indicate other meanings in addition to the orientation or positional relationship, for example, the term “upper” may also be used to indicate a certain dependency or connection relationship in some cases.
  • the specific meaning of these terms in this application can be understood on a case-by-case basis.
  • installation In addition, the terms “installation,” “set,” “set,” “connected,” “connected,” and “socketed” are to be understood broadly. For example, it may be a fixed connection, a detachable connection, or a one-piece construction; it may be a mechanical connection, or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, or it may be two devices, components or components. Internal communication.
  • the specific meanings of the above terms in the present application can be understood on a case-by-case basis.
  • the free-form surface feature recognition method may be a feature recognition method based on boundary matching or a feature recognition method based on stereo decomposition.
  • the steering gear structure in the present application is an automatic control system composed of a DC motor, a shifting gear set, an adjustable potentiometer and a control circuit board. Specify the angle of rotation of the output shaft by sending a signal.
  • the steering gear generally has a maximum angle of rotation (such as 180 degrees).
  • the control signal enters the signal modulation chip from the channel of the receiver to obtain a DC bias voltage. It has a reference circuit inside, which generates a reference signal with a period of 20ms and a width of 1.5ms, and compares the obtained DC bias voltage with the voltage of the potentiometer to obtain a voltage difference output. Finally, the positive and negative voltage output of the voltage difference to the motor drive chip determines the forward and reverse of the motor.
  • the LED imaging device is a display mode by controlling the semiconductor light emitting diode.
  • DLP imaging is digital light processing, which means that the technology first digitally processes the image signal and then projects the light.
  • DLP projection technology uses digital micromirror wafer (DMD) as the main key processing component.
  • DMD digital micromirror wafer
  • the light source is refracted on the DMD chip after passing through the color wheel, and the DMD chip emits light onto the projection screen after receiving the control signal from the control board.
  • a laser projection device uses a laser beam to transmit a picture.
  • the optical components of the laser projector are mainly composed of a red, green and blue light valve, a combined X prism, a projection lens and a driving light valve.
  • red, green and blue lasers in the laser projector.
  • the laser is diffused in the machine through the corresponding optical components and processing chips and then transmitted to the X prism to integrate the three lasers, and then the integrated objective laser is transmitted to the projection screen by the projection objective to complete the entire laser projector display process. .
  • LCOS projection device based on LCOS projection technology, uses reflective optical path, which belongs to a new type of reflective micro LCD projection technology. Its structure is to grow a transistor on a germanium wafer.
  • the driver panel is fabricated by semiconductor process and then transparent on the transistor. It is ground by a grinding technique and plated with aluminum as a mirror to form a CMOS substrate.
  • the CMOS substrate is then bonded to a glass substrate containing a transparent electrode, and then liquid crystal is drawn into the package for testing.
  • a split-type head-up display device in the embodiment includes:
  • An imaging device 1 installed in the vehicle for use as an image source for in-vehicle projection, and a reflection device 2 mounted on the in-vehicle instrument panel for receiving image information transmitted from the imaging device.
  • the driver observes a virtual image of the image information through the front windshield, and the reflecting device has an angle-adjustable mirror module 21, and
  • the angular position of the mirror module 21 is controlled by a motor structure 22, the mirror module including at least one free-form mirror surface 211.
  • the imaging device 1 is mounted as an image source at the top position of the windshield (such as a rear view mirror position or a windshield), and the reflection device 2 is mounted in front of the instrument panel, when the imaging device 1 and the After the reflecting device 2 is adjusted to a set relative position, the user can view the virtual image through the windshield.
  • the image information includes, but is not limited to, vehicle basic information such as automobile speed, engine speed, engine water temperature, fuel consumption, and the like, and a display display device connected to the in-vehicle device through near field communication to display the interior of the vehicle. Information on the device, including but not limited to, in-vehicle control, mobile phones, etc.
  • the head-up display device has an effective focal length range of: 550 mm.
  • the working distance of the imaging device 1 and the reflecting device 2 in the head-up display device is set to be in a range of 420 mm to 500 mm.
  • the image is distorted by the freeform surface mirror 211: ⁇ 3%.
  • the effective focal length configuration of the angle-adjustable mirror module 21 is: 620 mm,
  • the angularly adjustable mirror module 21 has a size in the range of 120 mm x 76 mm, preferably: 160 mm x 90 mm.
  • the size of the mirror module 21 is 160 mm x 90 mm, it is allowed to move 45 mm to the left and right of the human eye, and when the upper and lower sides are moved by 25 mm, the image of the full LCD can still be seen.
  • the reflectance of the mirror module 21 is required to be not less than 90%.
  • setting the relative position includes, but is not limited to, the tilt angle of the mirror module 21: tilting 34.6° along the x-axis and tilting 14° right along the y-axis to ensure complete and minimal imaging. take up space.
  • the horizontal distance from the center of the free-form surface mirror 211 of the mirror module 21 to the windshield is preferably 130 mm, which avoids the problem that the distance is too long to be imaged.
  • Windshield focal length 3470mm
  • the image emitted by the imaging device 1 as the image source projected in the vehicle is reflected by the free-form surface mirror 211, reflected by the windshield after the above secondary imaging, and becomes a virtual image at the distal end of the windshield.
  • the method further includes: a rotatable camera 23 mounted on the reflecting device, the orientation of the rotatable camera 23 is defaulted to a driver direction, and the rotatable camera 23 includes at least a built-in camera 232, an infrared compensation device 231, and a microphone array 233, wherein the built-in camera 232 is configured to collect image information of a driver in the vehicle, and the infrared compensation device 231 is configured to cooperate with the built-in camera. The optical compensation is performed, and the microphone array 233 is configured to collect and identify the voice information of the driver in the vehicle.
  • the microphone array 233 is spatially selective, the effective position of the sound source can be obtained by spatial positioning technology such as a sweep array, and the smart device acquires accurate sound source position information, thereby further obtaining high quality voice signal quality.
  • the microphone array 233 can automatically detect the position of the sound source, track the speaker, and at the same time acquire the advantages of multiple sound sources and tracking the moving sound source, and the voice direction of your position direction is enhanced regardless of where the ride is located.
  • the microphone array 233 adds spatial processing, and the multi-signal space-time-frequency three-dimensional processing compensates for the shortcomings of single signal in noise suppression, echo suppression, reverberation suppression, sound source localization, and speech separation, so that the rotatable camera can be rotated. High-quality voice signals are available in complex environments to provide a better intelligent voice experience.
  • the driver's eye position is located by the built-in camera 232, and then the gyroscope/gravity sensor G-Sensor/three-axis acceleration sensor that is provided by the reflection device is used, and then the angle of the mirror is adjusted by the electric motor to assist User installation and adjustment.
  • the imaging device 1 includes an LCD liquid crystal imaging screen module 11 , and the LCD liquid crystal imaging screen module 11 includes: an enhanced backlight mechanism for increasing the brightness of the imaging screen. 111.
  • the heat dissipation mechanism 112 and the fan mechanism 113 for cooling, and the brightness of the imaging screen is set within a brightness range of 15000 nit to 45000 nit, so that the ordinary front glass can be clearly reflected in the daytime sunlight without any film.
  • Out of the image Heat conduction is performed by the heat dissipation mechanism 112 to lower the overall temperature, and the wind is blown toward the enhanced backlight mechanism 111 by the fan mechanism 113 to lower the overall temperature.
  • the LCD liquid crystal imaging screen module 11 is adhered or adsorbed on the front windshield or the rear view mirror, or is located on the left and right sides thereof, and passes through the vehicle. Inside mirror input/output data, as well as power supply.
  • the LCD liquid crystal imaging screen module 11 supports two installation modes: sticking or adsorbing on the front windshield by the universal ball bracket 12; or fixing the car in the buckle structure by the card seat 13 with the universal ball structure 12 Inside the rearview mirror.
  • the LCD liquid crystal imaging screen module 11 can be used alone or in addition to the camera module (the mounting hole reserved in the drawing), and the power supply to the camera module through the contact structure (contact switch). Realize the input and output of video data.
  • the free-form surface mirror 211 can be rotated in the horizontal and vertical directions.
  • the freeform surface mirror 211 can be stacked in two sheets to achieve adjustability.
  • the contact surface area of the universal ball holder 12 and the front windshield adhered or adsorbed to the windshield is large, which acts as a sunshade, and can effectively reduce the direct sunlight of the LCD liquid crystal imaging screen module. Reduce the effects of high temperature exposure.
  • the free-form surface mirror 211 is the bottom, the driver's eyes are the top, and the tapered surface after the lofting is the light that the outside world shines into the human eye, and the shielding plate (the Vientiane ball holder 12) is placed in the tapered surface.
  • the driver's eye (range: 64 mm x 20 mm) is the top
  • the tapered surface after the lofting is the LCD imaging light
  • the shielding plate (for example, the Vientiane ball holder 12) must be outside the tapered surface.
  • the motor structure is exemplified by a steering gear structure including at least two steering gears 221 for controlling the
  • the mirror module 21 adjusts the angle on the X axis, the Y axis, and the Z axis, respectively.
  • the free-form surface mirror 211 is plated on the outer layer by plating, and the free-form surface mirror 211 is arranged to cancel the distortion of the projected image in the horizontal direction and the vertical direction within a set curvature. It is distinguished from the traditional mirror coating by the plating on the outer layer to avoid the ghosting caused by the secondary reflection caused by the thickness of the traditional mirror glass.
  • the LCD liquid crystal imaging screen module is configured as a projector of a peripheral device or an independent imaging device, and the LCD liquid crystal imaging screen module can have a built-in motherboard and a CPU/MUC chip solution. It forms an integrated device with its own cache function and independent storage and computing capabilities. It is also possible to integrate only the projection imaging chip (such as the TMD chip of Tl) and the main board, as an external projector for the mobile phone, the center console car, and the smart rear view mirror. The projection imaging chip and the main board can also be integrated in the LCD liquid crystal imaging screen. In the module.
  • FIG. 10 is a schematic flowchart of a method in an embodiment of the present invention. In this embodiment, the following implementation steps are included:
  • Step S1 is installed in the vehicle as an image source imaging device for in-vehicle projection, and the imaging device further includes: one or more imaging devices of the LED imaging device, the DLP imaging device, the laser projection device, or the LCOS projection.
  • Step S2 installing the reflecting device for receiving image information emitted from the imaging device on the in-vehicle instrument panel, and further mounting a rotating camera on the reflecting device, the orientation of the rotatable camera defaulting to a driver
  • the rotatable camera includes at least: a built-in camera, an infrared compensation device, and a microphone array, wherein the built-in camera is configured to collect image information of a driver in the vehicle, and the infrared compensation device is configured to cooperate with the built-in camera.
  • the camera performs light compensation, and the microphone array is used to collect and identify the voice information of the driver in the vehicle. Tracking, voice, image information collection, and the like of the human eye are realized by the rotatable camera.
  • the imaging device and the reflecting device may also be configured to automatically adjust the set relative position according to the driver's eye position.
  • the imaging device may be configured as: LCD liquid crystal imaging
  • the LCD module includes: an enhanced backlight mechanism for increasing the brightness of the imaging screen, a heat dissipation mechanism for cooling the temperature, and a fan mechanism, and the brightness of the imaging screen is configured at: 15000 nit-45000 nit Within the brightness range.
  • the LCD liquid crystal imaging screen module is adhered or adsorbed to the front windshield or the rearview mirror, and inputs/outputs data through the interior rearview mirror, and power supply.
  • Step S4 arranging a mirror module with an angle adjustable function on the reflecting device, and controlling an angular position of the mirror module through a steering mechanism structure, where the steering gear structure includes at least two steering gears, In order to control the mirror module to adjust the angle on the X axis, the Y axis and the Z axis respectively, if the steering gear is in a normal working state, the angle is automatically adjusted, and if the steering gear is in an abnormal working state, an external one is adopted. Press the button to manually adjust the above angle.
  • Step S5 is configured to: the mirror module is configured to include at least one free-form mirror surface, and the free-form surface mirror is plated on the outer layer by a coating, and the free-form surface mirror is configured to cancel the horizontal direction and the vertical direction within a set curvature Distortion of the projected image.
  • the LCD liquid crystal imaging screen module is configured as a projector of a peripheral device or a separate imaging device for use with different terminals.

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Abstract

L'invention concerne un appareil d'affichage tête haute à montage divisé et son procédé de mise en œuvre. L'appareil d'affichage tête haute à montage divisé comprend : un appareil imageur (1) monté à l'intérieur d'un véhicule, servant de source d'images projetée à l'intérieur du véhicule ; et un appareil de réflexion (2) monté sur un tableau de bord à l'intérieur du véhicule et servant à recevoir des informations d'images transmises par l'appareil imageur (1). Après le réglage de l'appareil imageur (1) et de l'appareil de réflexion (2) à une position relative définie, le conducteur observe une image virtuelle pour les informations d'images à travers un pare-brise avant. L'appareil de réflexion (2) a un module de miroirs (21) de réflexion à angle réglable, et commande une position angulaire du module de miroirs (21) de réflexion au moyen d'une structure de moteurs (22), le module de miroirs (21) de réflexion comprenant au moins un miroir à courbe libre (211). L'appareil d'affichage tête haute peut réduire l'interférence des rayons de lumière externe et procéder à des réglages autoadaptatifs. Par ailleurs, le montage divisé peut réduire la quantité d'espace occupé dans un véhicule.
PCT/CN2017/118944 2017-04-21 2017-12-27 Appareil d'affichage tête haute à montage divisé et son procédé de mise en œuvre WO2018192259A1 (fr)

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CN201710266035.3 2017-04-21
CN201710266035.3A CN106950696A (zh) 2017-04-21 2017-04-21 一种分体式安装的抬头显示装置及其实现方法

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WO2018192259A1 true WO2018192259A1 (fr) 2018-10-25

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JP6806650B2 (ja) * 2017-09-11 2021-01-06 本田技研工業株式会社 車両用表示システム
CN109996052B (zh) * 2018-01-02 2021-10-22 京东方科技集团股份有限公司 一种车载显示装置、车载显示方法、存储介质及车辆
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