WO2023185302A1 - Module de machine d'éclairage, module de lampe de véhicule et véhicule - Google Patents

Module de machine d'éclairage, module de lampe de véhicule et véhicule Download PDF

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Publication number
WO2023185302A1
WO2023185302A1 PCT/CN2023/076662 CN2023076662W WO2023185302A1 WO 2023185302 A1 WO2023185302 A1 WO 2023185302A1 CN 2023076662 W CN2023076662 W CN 2023076662W WO 2023185302 A1 WO2023185302 A1 WO 2023185302A1
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WO
WIPO (PCT)
Prior art keywords
light
module
optical
light beam
imaging
Prior art date
Application number
PCT/CN2023/076662
Other languages
English (en)
Chinese (zh)
Inventor
李仕茂
赵晗
常天海
Original Assignee
华为技术有限公司
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Filing date
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2023185302A1 publication Critical patent/WO2023185302A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/16—Laser light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/30—Semiconductor lasers

Definitions

  • the present application relates to the field of smart car technology, and, more specifically, to an optical-mechanical module, a vehicle light module and a vehicle.
  • ADB adaptive driving beams
  • This application provides an optical-mechanical module, a vehicle light module and a vehicle.
  • By increasing the luminous flux and brightness of the light source higher luminous flux projection and greater illumination broadening are achieved.
  • it can realize the movable projection light spot with brightness following, providing rich lighting scenes.
  • an optical-mechanical module which includes: a first light-emitting module, a second light-emitting module, a refractive element, and a modulation module.
  • the first light-emitting module is used to emit a first light beam to the refractive element, and the first light beam is incident on the modulation module through the refractive element.
  • the second light-emitting module is configured to emit second light beams with different transmission directions to the refractive element, so that the second light beam passes through the refractive element and is incident on different positions of the modulation module.
  • the modulation module is used to modulate the first light beam and the second light beam emitted from the refractive element, generate imaging light, and emit the imaging light.
  • the refractive element may be a free-form mirror or a prism, which is used to fold the optical paths of the received first beam and the second beam, so that the first beam and the second beam are incident on the modulation module.
  • the modulation module may be a reflective spatial light modulator, such as a liquid crystal on silicon (LCoS) modulator.
  • a reflective spatial light modulator such as a liquid crystal on silicon (LCoS) modulator.
  • LCD liquid crystal on silicon
  • the modulation module may also be a reflective spatial light modulator and does not have the function of changing the polarization direction of the incident linearly polarized light, such as a micro-electro-mechanical system (MEMS). ) or digital micro mirror device (DMD).
  • MEMS micro-electro-mechanical system
  • DMD digital micro mirror device
  • the modulation module may also be a transmissive spatial light modulator, such as a liquid crystal display (Liquid Crystal Display, LCD), etc.
  • a transmissive spatial light modulator such as a liquid crystal display (Liquid Crystal Display, LCD), etc.
  • the optical-mechanical module provided by this application uses dual light-emitting modules to increase the luminous flux and brightness of the light source.
  • the second light beam emitted from the second light-emitting module passes through the refractive element, it is incident on the modulation module.
  • the position of the projection image is variable, so that images at different positions of the projection image generated by the imaging light emitted from the modulation module are lit.
  • the optical-mechanical module provided by this application can be applied to the ADB system, so that the imaging in the ADB system can achieve a brightness-following effect.
  • the second light emitting module includes a first light source and a first phosphor.
  • the first light source is used to emit a third light beam to the first phosphor.
  • the first phosphor is used to receive The third beam generates the second beam.
  • the second light-emitting module further includes a rotating mirror.
  • the rotating mirror is used to reflect the third light beam and change the position at which the third light beam is reflected to the first phosphor.
  • the third light beam generated by the second light-emitting module changes the position of the incident light on the first phosphor through the rotating mirror, so that the transmission direction of the second light beam emitted from the first phosphor changes, and then can pass through the refractive element. incident on different positions of the modulation module.
  • the module has a simple structure and low cost.
  • a rotation angle is obtained, and the rotation of the rotating mirror is controlled based on the rotation angle.
  • the rotation angle may be calculated by the control unit of the optical-mechanical module, or the rotation angle may be calculated by other calculation modules and transmitted to the control unit of the optical-mechanical module.
  • the control unit of the optical-mechanical module can realize the function of controlling the rotating mirror to rotate to a required angle.
  • the rotation angle is determined based on feedback information, wherein the feedback information is used to indicate an area with enhanced brightness in an image generated by the imaging light.
  • the feedback information is used to input into the calculation unit that calculates the rotation angle of the rotating mirror.
  • the calculation unit calculates the rotation angle of the rotating mirror through the feedback information.
  • the control unit controls the rotating mirror to rotate to the calculated angle, when the third beam After being reflected to the first phosphor by the rotating mirror, the second light beam generated by exciting the first phosphor is incident on the refractive element at a certain angle, and is incident on the modulation module through the refractive element.
  • the area where the imaging light generated by the modulation module is projected is areas of enhanced brightness in the image.
  • the opto-mechanical module provided by this application can control the rotation of the rotating mirror based on feedback information, so that the third light beam reflected by the rotating mirror at different rotation angles is incident on different positions of the first phosphor, and the first phosphor is incident on different positions.
  • the emitted light beam passes through the refractive element and illuminates the image planes of different areas of the modulation module, so that the brightness of different areas in the generated image is enhanced to meet the application needs of different scenarios.
  • the rotating mirror includes a first area and a second area.
  • the surface shape of the first region is a plane
  • the surface shape of the second region is a convex spherical surface
  • the second region is used to increase the cross-sectional area of the third light beam.
  • the optical-mechanical module further includes a first beam expansion element.
  • the first beam expansion element is located on the optical path between the rotating mirror and the first phosphor, and the first beam expansion element is used to increase the cross-sectional area of the third beam.
  • the third beam is expanded by adding a first beam expansion element on the optical path between the rotating mirror and the first phosphor, so that more of the third beam can be incident on the surface of the first phosphor.
  • the cross-sectional area of the second light beam generated by the excitation of the first phosphor is correspondingly increased, thereby illuminating more image area on the surface of the modulation unit, so as to increase the area of the area with enhanced brightness in the generated image, thus meeting the requirements Application requirements of different scenarios.
  • the rotating mirror includes a moving device.
  • the moving device is used to move the rotating mirror so that the rotating mirror reflects the third light beam from different angles at different angles to increase the effect of the third light beam reflected on the first phosphor. area.
  • the moving device can be a slide rail, and the rotating mirror can move quickly through the slide rail.
  • a moving device is added through a rotating mirror.
  • the third light beam incident at different angles can be reflected to the surface of the first phosphor, thereby causing the first phosphor to be excited and generated second
  • the cross-sectional area of the beam increases accordingly, thereby illuminating more image areas on the surface of the modulation unit to increase the area of enhanced brightness in the generated image, thus meeting the application needs of different scenarios.
  • the rotating mirror rotates rapidly to quickly reflect the third light beam at different angles to increase the reflection of the third light beam to the first fluorescent light. area on the body.
  • the third beam is quickly reflected at different angles through the rotating mirror, so that more of the third beam can be incident on the surface of the first phosphor, and the generated second beam is illuminated on the surface of the modulation unit. Brighten more image areas to increase the area of enhanced brightness in the generated image to meet the application needs of different scenarios.
  • the first light source includes a laser light source.
  • the first light source may include a laser semiconductor (Laser diode, LD), that is, a laser diode.
  • the third beam output by the laser semiconductor is monochromatic light, such as blue light or violet light.
  • the blue light or violet light (the third beam of light)
  • the first phosphor When the blue light or violet light (the third beam of light) ) is incident on the first phosphor, part of the energy of the incident light is excited to generate yellow light, which is mixed with the remaining part of the incident light to form white light (second light beam) and is projected to the refractive element.
  • the light source of the first light-emitting module includes an LED light source.
  • the LED light source includes a second phosphor, and the first light beam is white light.
  • the first light-emitting module further includes: a first collimating lens group.
  • the first collimating lens group is used to collimate the light beam emitted from the LED light source.
  • the second light-emitting module further includes: a second collimating lens group, the second collimating lens group is used to collimate the light beam emitted from the first phosphor.
  • collimating the first light beam and the second light beam through the first collimating lens group and the second collimating lens group can improve the utilization rate of light energy, thereby improving the imaging quality.
  • the second light emitting module includes a first light source and a first phosphor.
  • the first light source is used to emit a third light beam to the first phosphor.
  • the first phosphor is used to receive the third light beam and generate the second light beam.
  • the second light-emitting module further includes a rotating mirror.
  • the rotating mirror is used to reflect the second light beam emitted from the first phosphor and change the transmission direction of the second light beam emitted from the first phosphor.
  • a rotating mirror is used to change the direction of the second light beam emitted from the first phosphor, so that the second light beam emitted from the refractive element can be incident on different positions of the modulation module.
  • the module has a simple structure and low cost.
  • the first light-emitting module further includes: a first collimating lens group.
  • the first collimating lens group is used to collimate the light beam emitted from the LED light source.
  • the second light-emitting module also includes: a second collimating lens group, the second collimating lens group is located on the optical path between the first phosphor and the rotating mirror, and is used for collimating the light from the The light beam emitted by the first phosphor.
  • the modulation module is specifically configured to: respectively modulate the first light beam and the second light beam emitted from the refractive element according to image data to generate first imaging light and second imaging light, and emit the first imaging light and the second imaging light.
  • the first light-emitting module and the second light-emitting module in the optical machine module provided by the present application may not emit the first light beam and the second light beam at the same time.
  • the first light-emitting module of the optical-mechanical module works.
  • the first imaging light in the imaging light is used for imaging.
  • the second light-emitting module of the optical-mechanical module works.
  • the second light beam emitted from the second light-emitting module passes through the refractive element and is incident on the image plane of the modulation module, and is modulated by the modulation unit to generate the second light beam.
  • Two imaging lights the second imaging light is used for imaging.
  • the second imaging light When the second imaging light is the imaging light emitted from a partial image surface of the modulation module, the second imaging light generates a partial image in the imaging area.
  • the second imaging light is the entire image plane of the modulation module
  • the outgoing imaging light corresponding to the entire image plane of the second light beam incident on the modulation module
  • the second imaging light generates an entire image in the imaging area.
  • the optical-mechanical module provided by this application can achieve the effect of time-sharing imaging, thereby meeting the needs of more application scenarios.
  • the first phosphor is further configured to receive the first light beam, generate a fourth light beam, and project the fourth light beam to the refractor element, the first light beam is quasi-monochromatic light.
  • the light source of the first light-emitting module includes a laser light source.
  • the opto-mechanical module further includes: a second beam expansion element and a second phosphor.
  • the second beam expansion element is used to increase the cross-sectional area of the first light beam emitted from the first light-emitting module.
  • the second phosphor is used to receive the first light beam emitted from the second beam expansion element, generate a fourth light beam, and project the fourth light beam to the refractive element.
  • the optical-mechanical module further includes: a second beam expansion element.
  • the second beam expansion element is used to increase the cross-sectional area of the first light beam emitted from the first light-emitting module.
  • the first phosphor is also used to receive the first beam emitted from the second beam expansion element, generate a fourth beam, and project the fourth beam to the refractive element, wherein the third beam A light beam is a monochromatic light.
  • the second light-emitting module further includes: a second collimating lens group.
  • the second collimating lens group is used to collimate the fourth light beam and the second light beam.
  • the refractive element is specifically used to fold the optical paths of the collimated second beam and the fourth beam, and project the second beam and the fourth beam to the modulation module.
  • the modulation module is specifically configured to: respectively modulate the second light beam and the fourth light beam emitted from the refractive element according to image data to generate first imaging light and second imaging light, and emit the first imaging light and second imaging light.
  • the first light-emitting module and the second light-emitting module are located on the same side of the refractive element.
  • the optical-mechanical module is used to illuminate a target area in the image generated by the imaging light, and the target area is related to the running trajectory of the vehicle.
  • embodiments of the present application provide a projection method.
  • the method includes: acquiring a first light beam and emitting the first light beam to a refractive element, and injecting the first light beam into the modulation module through the refractive element.
  • the first light beam and the second light beam are modulated to generate imaging light, and the imaging light is emitted.
  • the method further includes: acquiring a third light beam, emitting the third light beam to a first phosphor, and using the first phosphor to receive the third light beam. and generate the second beam.
  • a rotating mirror is used to reflect the third light beam and change the position at which the third light beam is reflected to the first phosphor.
  • the method further includes obtaining a rotation angle, and controlling the rotation of the rotating mirror based on the rotation angle.
  • the method further includes determining the rotation angle according to feedback information.
  • the feedback information is used to indicate an area with enhanced brightness in the image generated by the imaging light.
  • the method further includes: collimating the first light beam and the second light beam.
  • modulating the first light beam and the second light beam, generating imaging light, and emitting the imaging light includes: respectively modifying the imaging light according to the image data.
  • the first light beam and the second light beam are modulated to generate first imaging light and second imaging light, and the first imaging light and the second imaging light are emitted.
  • inventions of the present application provide a vehicle light module.
  • the vehicle light module includes: an imaging lens and an optical-mechanical module as in the above-mentioned first aspect and any possible implementation manner of the first aspect.
  • the imaging lens is used to image the imaging light on a target area.
  • the vehicle light module further includes: a control circuit.
  • the control circuit is used to provide driving for the optical machine module according to the control signal.
  • inventions of the present application provide a vehicle.
  • the vehicle includes: a vehicle light module as in the above third aspect and any possible implementation manner of the third aspect, and a controller.
  • the controller is configured to generate feedback information, the feedback information being used to indicate areas with enhanced brightness in the image generated by the imaging light.
  • Figure 1 shows a schematic diagram of an application scenario of the optical-mechanical module provided by the embodiment of the present application.
  • FIG. 2 shows a schematic structural diagram of an optical-mechanical module 200 provided by an embodiment of the present application.
  • FIG. 3 shows a schematic structural diagram of an optical-mechanical module 300 provided by an embodiment of the present application.
  • FIG. 4 shows a schematic structural diagram of an optical-mechanical module 400 provided by an embodiment of the present application.
  • Figure 5 shows a schematic structural diagram of a rotating mirror provided by this application.
  • Figure 6 shows a schematic structural diagram of another rotating mirror provided by this application.
  • FIG. 7 shows a schematic structural diagram of an optical-mechanical module 700 provided by an embodiment of the present application.
  • FIG. 8 shows a schematic structural diagram of an optical-mechanical module 800 provided by an embodiment of the present application.
  • FIG. 9 shows a schematic structural diagram of an optical-mechanical module 900 provided by an embodiment of the present application.
  • FIG. 10 shows a schematic structural diagram of an optical-mechanical module 1000 provided by an embodiment of the present application.
  • Figure 11 shows a schematic structural diagram of an optical-mechanical module 1100 provided by an embodiment of the present application.
  • Figure 12 shows a schematic structural diagram of an optical-mechanical module 1200 provided by an embodiment of the present application.
  • Figure 13 shows a schematic structural diagram of an optical-mechanical module 1300 provided by an embodiment of the present application.
  • Figure 14 shows a schematic structural diagram of an optical-mechanical module 1400 provided by an embodiment of the present application.
  • Figure 15 shows a schematic structural diagram of an optical-mechanical module 1500 provided by an embodiment of the present application.
  • Figure 16 shows a schematic structural diagram of an optical-mechanical module 1600 provided by an embodiment of the present application.
  • Figure 17 shows a schematic structural diagram of an optical-mechanical module 1700 provided by an embodiment of the present application.
  • Figure 18 shows a schematic structural diagram of an optical-mechanical module 1800 provided by an embodiment of the present application.
  • Figure 19 shows a schematic structural diagram of a vehicle light module system 1900 provided by an embodiment of the present application.
  • Figure 20 shows a schematic structural diagram of a vehicle light module system 2000 provided by an embodiment of the present application.
  • Figure 21 shows a schematic structural diagram of a vehicle light module system 2100 provided by an embodiment of the present application.
  • Figure 22 shows a schematic structural diagram of a vehicle light module system 2200 provided by an embodiment of the present application.
  • Figure 23 shows a schematic structural diagram of a vehicle light module system 2300 provided by an embodiment of the present application.
  • Figure 24 shows a schematic structural diagram of a vehicle light module system 2400 provided by an embodiment of the present application.
  • Figure 25 shows a schematic structural diagram of a vehicle light module system 2500 provided by an embodiment of the present application.
  • Figure 26 shows a schematic structural diagram of a vehicle light module system 2600 provided by an embodiment of the present application.
  • Figure 27 shows a schematic structural diagram of a vehicle light module system 2700 provided by an embodiment of the present application.
  • Figure 28 shows a schematic structural diagram of a vehicle light module system 2800 provided by an embodiment of the present application.
  • Figure 29 shows a schematic structural diagram of a vehicle light module system 2900 provided by an embodiment of the present application.
  • Figure 30 shows a schematic structural diagram of a vehicle light module system 3000 provided by an embodiment of the present application.
  • Figure 31 shows a schematic structural diagram of a vehicle light module system 3100 provided by an embodiment of the present application.
  • Figure 32 shows a schematic structural diagram of a vehicle light module system 3200 provided by an embodiment of the present application.
  • Figure 33 shows a schematic structural diagram of a vehicle light module system 3300 provided by an embodiment of the present application.
  • Figure 34 shows a schematic diagram of a projection image generated by a vehicle light module provided by an embodiment of the present application.
  • Figure 35 shows a schematic circuit diagram of a display device provided by an embodiment of the present application.
  • Figure 36 shows a schematic functional framework diagram of a vehicle provided by an embodiment of the present application.
  • words such as “exemplary” or “for example” are used to express examples, illustrations or illustrations, and embodiments or designs described as “exemplary” or “for example” should not are to be construed as preferred or advantageous over other embodiments or designs.
  • the use of words such as “exemplary” or “such as” is intended to present related concepts in a concrete manner that is easier to understand.
  • imaging light refers to light that carries an image (or image information) and is used to generate an image.
  • the surface shape of the curved mirror is not limited.
  • it can be a free-curved mirror.
  • projection is not limited to simply referring to transmission or reflection. It can be used to represent reflection or transmission, specifically, it is determined according to the direction of the light path in the embodiment.
  • Figure 1 shows a schematic diagram of an application scenario of the optical-mechanical module provided by the embodiment of the present application.
  • the opto-mechanical module can be installed on the car lights to form an ADB system.
  • the ADB system is used to determine the position and distance of the oncoming vehicle through the input of the video camera signal, and adjust the lighting area accordingly, turn off or dim the lighting in the area of the opposite vehicle, to avoid glare on the oncoming vehicle, and at the same time maximize the Meet the driver’s vision needs.
  • the optical-mechanical module can also project high-definition symbols and icons on the ground to improve driving safety, as well as project pictures and videos to realize rich intelligent car light interaction scenarios.
  • FIG. 2 shows a schematic structural diagram of an optical-mechanical module 200 provided by an embodiment of the present application.
  • the module 200 includes a first light-emitting module 210 , a second light-emitting module 220 , a refractive element 250 , and a modulation module 260 .
  • the first light-emitting module 210 is used to emit the first light beam to the refractive element 250, and the first light beam is incident to the modulation module 260 through the refractive element 250.
  • the second light-emitting module 220 is used to emit second light beams with different transmission directions to the refractive element 250, so that the second light beam passes through the refractive element 250 and is incident on different positions of the modulation module 260.
  • the refractive element 250 is used to fold the optical paths of the first beam and the second beam, and project the first beam and the second beam to the modulation module 260 .
  • the modulation module 260 is used to modulate the first light beam and the second light beam emitted from the refractive element 250 according to the image data, generate imaging light, and emit the imaging light.
  • the refractive element 250 may be a free-form mirror or a prism, which is used to fold the optical paths of the received first beam and the second beam, so that the first beam and the second beam are incident on the modulation module 260 .
  • the curvature of the curved mirror may be evenly distributed. At this time, the utilization rate of the second beam is the highest.
  • the curved mirror reflector can reflect the first light beam to an effective area that illuminates the entire modulation module 260 .
  • the image plane area is such that the third beam illuminates the target area in the effective image plane area.
  • Modulation module 260 may also be referred to as an imaging engine.
  • the modulation module 260 may be a reflective spatial light modulator, such as an LCoS modulator.
  • the optical machine module 200 may include a polarization conversion device, which may be disposed at the input end of the LCoS for converting the polarization state of the incident light beam into the polarization state required by the LCoS modulator.
  • the modulation module 260 may also be a reflective spatial light modulator without the function of changing the polarization direction of the incident linearly polarized light, such as a MEMS or DMD.
  • the modulation module 260 may also be a transmissive spatial light modulator, such as an LCD.
  • the modulation module 260 in this application can be appropriately adjusted according to the needs of different scenarios, and is not limited here.
  • the first light emitting module 210 may include a surface emitting semiconductor light source, such as a light emitting diode (Light emitting diode, LED).
  • the first light beam emitted from the LED light source is reflected by the refractive element 250 and illuminates the entire effective image area of the modulation unit 260 .
  • the second light emitting module 220 may include a laser semiconductor (Laser diode, LD) light source, that is, a laser diode.
  • LD laser semiconductor
  • this application uses the second light-emitting module to enhance the brightness of the incident light, thereby enhancing the brightness of the image surface of the imaging area. That is, by increasing the luminous flux of the light source, the overall projection luminous flux is increased. Compared with an optical-mechanical module with only the first light-emitting module, the viewing angle can be increased while maintaining the center brightness unchanged.
  • the position of the second light beam incident on the modulation module is variable, that is, the second light beam can illuminate different areas in the effective image plane of the modulation unit 260, so that the position where the brightness is enhanced in the image projected by the optical machine module 200 also changes accordingly. changes, that is, a projection image with varying brightness is generated.
  • Figure 3 shows a schematic structural diagram of an optical engine module 300 provided by an embodiment of the present application.
  • the optical engine module includes a first light-emitting module 210, a Two light-emitting modules 220, refractive elements 250, and modulation modules 260.
  • the first light-emitting module 210 includes a light source 2101 and a first collimating lens group 2701.
  • the second light emitting module 220 includes a light source 2201, a rotating mirror 230, a first phosphor 240 and a second collimating lens group 2702.
  • the light source 2101 is used to generate a first light beam.
  • the first collimating lens group 270 is used to collimate the first light beam emitted from the light source 2101.
  • Light source 2201 is used to generate a third light beam.
  • the rotating mirror 230 is used to reflect the third light beam to the first phosphor 240 and to change the position at which the third light beam is reflected to the first phosphor 240 .
  • the first phosphor 240 is used to receive the third light beam, generate the second light beam, and emit the second light beam.
  • the second collimating lens group 2702 is used to collimate the second light beam emitted from the first phosphor 240 .
  • the light beam emitted from the light source 2201 can be incident on different positions of the phosphor 240 through the rotation of the rotating mirror 230, and can be emitted from different positions of the phosphor 240.
  • the emitted light beam will be collimated after passing through the second collimating lens group 2702, and the transmission direction of the light beam will change.
  • the light beam After passing through the refractive element 250, the light beam will emit to different positions of the modulation module 260, thereby achieving brightness enhancement in any part of the imaging area. .
  • the refractive element 250 and the modulation module 260 reference can be made to the relevant description in Figure 2 and will not be described again here. It should be understood that the light source 2101 and the light source 2201 can also share the same collimating lens group, as long as it can play a corresponding role in the light emitted by the two light sources, and this application does not limit this.
  • control unit of the optical engine module 200 is used to control the rotation angle of the rotating mirror 230.
  • the third light beam generated by the light source 2201 in the second light-emitting module 220 can be rotated through different After reflection by the angled rotating mirror 230, it is incident on different positions of the first phosphor 240 in different directions, so that the second light beam generated by the first phosphor 240 at different positions is transmitted from the first phosphor in different directions.
  • 240 and then passes through the collimating lens group 2702 and the refractive element 250, and then enters different positions of the modulation module 260.
  • the rotation angle of the rotating mirror 230 can be determined based on feedback information, where the feedback information is used to indicate areas with enhanced brightness in the image generated by the imaging light.
  • the feedback information is used to input to the calculation unit that calculates the rotation angle of the rotating mirror 230.
  • the calculation unit calculates the rotation angle of the rotating mirror through the feedback information, and the control unit controls the rotating mirror 230 to rotate to the calculated angle.
  • the third light beam is reflected to the first phosphor 240 through the rotating mirror 230
  • the second light beam generated by exciting the first phosphor 240 is collimated by the collimating lens group 2702 at a certain angle, and then enters the refractive element 250 and undergoes refraction.
  • the element 250 is reflected to the modulation module 260, and the area projected by the generated imaging light is the area with enhanced brightness in the generated image.
  • rotating mirror 230 in FIG. 3 is only an example and not a limitation, that is, elements capable of changing the exit angle of the second light beam are within the protection scope of the present application.
  • the first light-emitting module 210 is used to illuminate the effective image plane area of the entire modulation module 260
  • the second light-emitting module can be used to illuminate the entire effective image plane area of the modulation module 260, or to illuminate the effective image of the modulation module 260. target area within the polygon area.
  • the light beam emitted from the first light-emitting module is used to illuminate the effective image plane of the modulation module 260 so that the emitted imaging light can be imaged in the imaging area
  • the light beam emitted from the second light-emitting module is used to illuminate the modulation module 260 .
  • the target area in the effective image plane allows the emitted imaging light to enhance the brightness of the image of the target area in the imaging area.
  • the first light-emitting module 210 may include an LED. After the first light beam emitted from the LED light source is reflected by the refractive element 250, it illuminates the entire effective image area of the modulation unit 260. Specifically, the first light beam emitted by the LED light source is white light. It should be understood that for an LED light source that emits white light, a second phosphor is packaged inside or outside the LED light source, so that the quasi-monochromatic light emitted by the LED light source passes through the phosphor and then emits white light.
  • the second light emitting module 220 may include an LD, and the third light beam output by the LD is monochromatic light. For example, blue light or purple light.
  • the blue light or purple light (third beam) is incident on the first phosphor 240
  • part of the energy of the incident light excites the first phosphor 240 to produce yellow light.
  • the excited yellow light is combined with the remaining part of the incident light.
  • the light is mixed to form white light (the second light beam) and is projected to the refractive element 250 .
  • the first light-emitting module illuminates the entire image plane of the modulation unit 260, and the second light-emitting module 220 is used to effectively activate the modulation unit 260.
  • the brightness of the target area in the image plane is enhanced, so that the brightness of the image of the target area in the imaging area of the emitted imaging light is enhanced.
  • the incident area of the third light beam on the first phosphor needs to be increased.
  • the opto-mechanical module changes the transmission direction of the second light beam through a rotating mirror, so that the second light beam passing through the refractive element can be incident on different positions of the modulation module, thereby achieving control of the generated image.
  • the brightness of images at different locations in the image is enhanced.
  • FIG. 4 shows a schematic structural diagram of an optical-mechanical module 400 provided by an embodiment of the present application.
  • the optical engine module 200 may also include a first beam expansion element 280.
  • the first beam expansion element 280 280 is located on the optical path between the rotating mirror 230 and the first phosphor 240 .
  • the first beam expansion element 280 can be configured not to expand the third beam and only pass the third beam.
  • the first beam expansion element 280 can be a liquid lens, and the focal length of the liquid lens is changed by changing the voltage, thereby changing the spot size of the second light beam focused on the first phosphor 240 .
  • the first beam expansion element 280 may include a moving device, and when the third beam does not need to be expanded, the first beam expansion element 280 can be moved away.
  • the first beam expansion element 280 is used to increase the cross-sectional area of the third beam, so that the area of the third beam incident on the first phosphor 240 becomes Therefore, the cross-sectional area of the emitted second light beam becomes larger, that is, the second light beam is simultaneously expanded.
  • the expanded second beam passes through the refractive element 250, it illuminates the entire image plane of the modulation unit, so that the brightness of the imaging light emitted from the modulation unit is enhanced, thereby making the image in the imaging area of the imaging light Brightness has been enhanced.
  • the second beam can be expanded by changing the surface shape of the rotating mirror 230 .
  • the rotating mirror 230 shown in FIG. 5 includes a first area and a second area.
  • the surface shape of the first region is a plane and the surface shape of the second region is a convex spherical surface
  • the beam passing through the second region will produce a beam expansion effect.
  • the surface shape of the first area and the surface shape of the second area can adopt other shapes, as long as corresponding functions can be achieved, and this application does not limit this.
  • the rotating mirror 230 reflects the third light beam to the first phosphor 240 through the first area.
  • the rotating mirror 230 reflects the third beam to the first phosphor 240 through the second area. Due to the convex spherical surface reflection, the divergence angle of the third beam can be increased. , therefore, it also has the effect of expanding the third beam, that is, the second area can increase the cross-sectional area of the third beam, so that the area of the third beam incident on the first phosphor 240 becomes larger, so that The cross-sectional area of the emitted second light beam is enlarged, that is, the effect of simultaneously expanding the second light beam is achieved.
  • the expanded second beam passes through the refractive element 250, it illuminates the entire image plane of the modulation unit, so that the brightness of the imaging light emitted from the modulation unit is enhanced, thereby making the image in the imaging area of the imaging light Brightness has been enhanced.
  • the third beam can be expanded by rapidly moving the position of the rotating mirror.
  • the rotating mirror 230 shown in FIG. 6 includes a moving device 231.
  • the moving device 231 may be a slide rail.
  • the rotating mirror 230 can be fixed at a certain position.
  • the rotating mirror 230 can be quickly moved on the moving device 231 so that the reflected third light beam can be incident on the first phosphor 240 . area, thereby achieving a beam expansion effect on the third beam.
  • the third beam can be expanded by rapidly deflecting the angle of the rotating mirror 230 .
  • This solution can be understood as: when it is necessary to increase the cross-sectional area of the third beam, the deflection angle of the rotating mirror 230 can be continuously changed in a short period of time, so that the third beam reflected by the rotating mirror forms a large Scan the beam to expand the third beam.
  • the purpose of introducing the first beam expanding element 280 or changing the surface shape of the rotating mirror 230 or providing the rotating mirror 230 with the moving device 231 can be understood as achieving the beam expansion effect of the third beam.
  • the above solution can be used alone or in combination.
  • a moving device can be provided on the rotating mirror 230 that changes the surface shape to further expand the cross-sectional area of the reflected third beam, or the third beam can also be rotated. Switch between the first or second area of the mirror. Therefore, other implementation methods that are not described in the embodiments of the present application and can realize beam expansion of the third beam should be within the protection scope of the present application.
  • the optical-mechanical module provided by this application can be adjusted according to the field by adding beam expansion elements or adjusting the rotating mirror.
  • the cross-sectional area of the second beam can be adjusted according to the needs of the scene, thereby enabling flexible control of the brightness of the imaging area, thereby satisfying a richer set of scene applications.
  • the light source of the first light-emitting module may be a laser light source, such as an LD light source.
  • Figure 7 shows a schematic structural diagram of an optical engine module 700 provided by an embodiment of the present application.
  • the first light-emitting module 210 includes a light source LD 2101, a second beam expansion element 212 and a second phosphor. 213.
  • the second beam expansion element 212 is used to increase the cross-sectional area of the first beam emitted by the LD2101.
  • the second phosphor 213 is used to receive the first beam emitted from the second beam expansion element 212, generate a fourth beam, and project the fourth beam to the refractive element 250.
  • the first collimating lens group 2701 is used to collimate the fourth light beam emitted from the second phosphor 213 .
  • the LD 2101 can only emit monochromatic light. Therefore, the first beam is monochromatic light, such as blue light or purple light.
  • the first beam passes through the second phosphor 213, it excites the second phosphor to produce yellow light.
  • the generated yellow light and the remaining part of the first light beam together form a fourth light beam that is incident on the reflective surface of the refractive element 250 .
  • the optical-mechanical module 700 may also include a first beam expansion element 280 for expanding the third beam, thereby achieving the effect of enhancing the brightness of a large-area image in the imaging screen.
  • the surface shape of the rotating mirror 230 can also be changed or the rotating mirror 230 can be provided with a moving device, etc., which will not be described again here. .
  • the opto-mechanical module provided by this application can adjust the cross-sectional area of the second beam according to the needs of the scene by adding a beam expansion element or adjusting the rotating mirror, thereby enabling flexibility in the brightness of the imaging area. Control, and then meet more abundant scene applications.
  • FIG. 8 shows a schematic structural diagram of an optical-mechanical module 800 provided by an embodiment of the present application.
  • the module 800 includes a first light-emitting module 810 , a second light-emitting module 820 , a refractive element 850 , and a modulation module 880 .
  • the first light-emitting module 810 includes a light source 8101 and a first collimating lens group 8701.
  • the second light-emitting module 820 includes a light source 8201, a rotating mirror 830, a first phosphor 840 and a second collimating lens group 8702.
  • the first light beam generated by the light source 8101 is collimated by the first collimating lens group 8701 and then enters the refractive element 850. After being refracted or reflected by the refractive element 850, it is projected to the modulation module 860.
  • the modulation module 860 modulates the second light beam. Modulate and emit imaging light for imaging in the imaging area.
  • the third light beam generated by the light source 8210 is reflected by the rotating mirror 830, it is incident on the first surface of the first phosphor 840.
  • the first phosphor 840 is stimulated to emit light and generates a second light beam. Two surface ejections. After being collimated by the second collimating lens group 8702, it is incident on the refractive element 850. After being refracted or reflected by the refractive element 850, it is projected to the modulation module 860.
  • the modulation module 860 modulates the second light beam and emits the imaging light. For imaging in the imaging area.
  • the light source 8201 is an LD light source.
  • the light source 8101 may be an LED light source or an LD light source.
  • the first light beam emitted by the LED light source is composite white light.
  • the first light-emitting module also includes a second beam expansion element and a second phosphor.
  • the optical engine module is shown in Figure 9. Specifically, the functions of each element can be seen in Figure 9. 7 and the relevant descriptions in Figure 8 will not be repeated here.
  • FIG. 10, FIG. 11, and FIG. 12 respectively illustrate a method provided by embodiments of the present application.
  • the principles of the optical machine module 1000, the optical machine module 1100 and the optical machine module 1200 can be referred to Figure 4 5 and the related descriptions in Figure 6 will not be repeated here.
  • the first light-emitting module in FIG. 10, FIG. 11, and FIG. 12 is not limited and may be an LED light source or an LD light source.
  • Figure 13 shows a schematic structural diagram of an optical-mechanical module 1300 provided by an embodiment of the present application.
  • the module 1300 includes: a first light-emitting module 1310, a second light-emitting module 1320, a refractive element 1350, and a modulation module 1360.
  • the second light-emitting module 1320 includes a light source 13201, a rotating mirror 1330, a first phosphor 1340 and a collimating lens group 1370.
  • the first light emitting module 1310 is used to emit the first light beam and the first phosphor 1340 .
  • the light source 13201 is used to emit the third light beam to the first phosphor 1340 .
  • the first phosphor 1340 is used to receive the first light beam and generate the fourth light beam. and receiving the third light beam and generating the second light beam.
  • the collimating lens group 1370 is used to collimate the second light beam and the fourth light beam.
  • the refractive element 1350 is used to fold the optical paths of the second beam and the fourth beam, and project the second beam and the fourth beam to the modulation module 1360 .
  • the modulation module 1360 is used to modulate the second light beam and the fourth light beam emitted from the refractive element 1350 according to the image data, generate imaging light, and emit the imaging light.
  • the first light emitting module 1310 is an LED light source.
  • the LED light source can be a quasi-monochromatic light source, for example, emitting blue light or violet light (first beam).
  • the emitted blue light or violet light after transmitting the first phosphor 1340, is excited to produce yellow light. , and mixed with the remaining blue light or violet light to generate a fourth beam, which is white light.
  • the first phosphor may be a part of the LED light source and be packaged in the LED light source. Or it can be placed outside the LED as a separate optical element so that the first light beam emitted from the LED light source can be transmitted.
  • the LED light source can also be disposed in a position symmetrical to the second light-emitting module 1320, and then the emitted first light beam is reflected to the first phosphor 1340 through another repositioned rotating mirror. on, the first phosphor 1340 is excited to generate a fourth light beam. That is, in this scenario, the first light beam emitted from the LED light source and the second light beam emitted from the second light-emitting module 1320 can both be incident on the same surface of the first phosphor 1340.
  • the first light beam and the third light beam can pass through The rotating mirror is incident on the first surface of the first phosphor 1340, so that the second light beam and the fourth light beam generated by the first phosphor 1340 are emitted from the second surface of the first phosphor 1340 and transmitted to the refractive element 1350. on the reflective surface.
  • the first light beam and the third light beam can be incident on the second surface of the first phosphor 1340 through a rotating mirror, so that the second light beam and the fourth light beam generated by the first phosphor 1340 are emitted from the first phosphor 1340 .
  • the light emitted from the second surface is collimated by the collimating lens group 1370 and then transmitted to the reflective surface of the refractive element 1350 .
  • the first light emitting module 1310 is an LD light source.
  • FIG. 14 shows a schematic structural diagram of an optical engine module 1400 in which the first light-emitting module 1310 is an LD light source.
  • the optical engine module 1300 further includes a first beam expander 1380 for increasing the cross-sectional area of the first beam emitted from the second LD light source.
  • Figure 15, Figure 16, and Figure 17 show three schematic structural diagrams of the optical machine module, which respectively correspond to the optical machine module adding the second beam expansion element 1321. 1500.
  • the second beam expansion element 1321 can adjust the cross-sectional area of the third beam according to the size of the required target area. For example, when the target area is the entire imaging image plane, the second beam expansion element 1321 adjusts the cross-sectional area of the third beam, so that the area of the first phosphor 1340 receiving the third beam is increased, so that the emitted third beam is The two beams also have a beam expansion effect, so that the second beam reflected by the refractive element 1350 can illuminate the entire effective image plane of the modulation element 1360, so that the emitted imaging light can enhance the brightness of the entire image plane of the imaging area.
  • the rotating mirror 1330 can adjust the cross-sectional area of the fourth beam according to the size of the required target area.
  • the rotating mirror 1330 can be controlled to The rotation angle causes the third beam to be incident on the reflecting surface of different curvatures of the rotating mirror 1330, thereby adjusting the cross-sectional area of the third beam, so that the area of the first phosphor 1340 receiving the third beam increases, so that the outgoing third beam
  • the two light beams also have a beam expansion effect, so that the second light beam emitted from the refractive element 1350 can illuminate the entire effective image plane of the modulation element 1360, so that the emitted imaging light can enhance the brightness of the entire image plane of the imaging area.
  • the rotating mirror 1330 includes a moving device 1331, which may be a slide rail, for example, to adjust the cross-sectional area of the third light beam.
  • the third beam can be continuously scanned by the first phosphor 1340 by rapidly moving the rotating mirror 1330, thereby achieving beam expansion of the third beam, so that the refractive element 1350 emits the
  • the second light beam can illuminate the entire effective image plane of the modulation element 1360, so that the emitted imaging light can enhance the brightness of the entire image plane of the imaging area.
  • Figure 18 shows a schematic structural diagram of an optical-mechanical module 1800 provided by an embodiment of the present application.
  • the optical engine module 1800 includes: a first light-emitting module 210 , a second light-emitting module 220 , a refractive element 250 and a modulation module 260 .
  • the functions of the first light-emitting module 210, the second light-emitting module 220, the refractive element 250 and the modulation module 260 can be referred to the relevant description in Figure 2, and will not be described again here.
  • the second light-emitting module 220 includes a second light source 2201, a rotating mirror 230, a first phosphor 240 and a second collimating lens 2701.
  • the second light source 2201 is used to emit a third light beam.
  • the first phosphor 240 is used to receive the third light beam, generate the second light beam, and project the second light beam to the second collimating lens 2702 .
  • the second collimating lens 2702 emits the collimated second beam to the rotating mirror 230 .
  • the rotating mirror 230 can rotate to change the transmission direction of the collimated second light beam, so that the second light beam can pass through the refractive element 250 and be incident on different positions of the modulation module 260, thereby enhancing the brightness of any part of the imaging area.
  • FIG. 19 is a schematic diagram of the overall system in which the opto-mechanical module of FIG. 2 is applied to a vehicle light module.
  • FIG. 20 is a schematic diagram of the overall system in which the opto-mechanical module of FIG. 3 is applied to a vehicle light module.
  • FIG. 21 is a schematic diagram of the overall system in which the opto-mechanical module of FIG. 4 is applied to a vehicle light module.
  • Figures 22 to 33 respectively correspond to schematic diagrams of the overall system in which the opto-mechanical module of Figures 7 to 18 is applied to a vehicle light module.
  • the description of the embodiments of the overall system of the vehicle light module and the description of the embodiments of the opto-mechanical module may correspond to each other. Therefore, the undescribed parts may be referred to the previous embodiments of the opto-mechanical module.
  • the vehicle light module includes the optical engine module shown in Figure 2 and an imaging lens 1910.
  • the imaging lens 1910 projects an image in the imaging area based on the first imaging light and the second imaging light emitted from the modulation module 260 .
  • the functions of the imaging lens 3110, the imaging lens 3210 and the imaging lens 3320 are the same as the functions of the imaging lens 1910, and will not be described again.
  • the first light-emitting module and the second light-emitting module in the optical engine module may not emit the first light beam and the second light beam at the same time.
  • the first imaging light in the imaging light is used for imaging.
  • the imaging lens receives the first imaging light and generates a projected image.
  • the second light-emitting module of the optical-mechanical module works.
  • the second light beam emitted from the second light-emitting module passes through the refractive element and is incident on the image plane of the modulation module, and is modulated by the modulation unit to generate The second imaging light is used for imaging.
  • the imaging lens When the second imaging light is the imaging light emitted from the partial image plane of the modulation module, the imaging lens generates a partial image in the imaging area based on the second imaging light.
  • the imaging lens When the second imaging light is the imaging light emitted from all image planes of the modulation module (corresponding to the third light beam incident on all image planes of the modulation module), the imaging lens generates an entire image in the imaging area based on the second imaging light.
  • Figure 34 shows a schematic diagram of a projection image generated by a vehicle light module provided by an embodiment of the present application.
  • the first light-emitting module is an LED light source with a size of 5mm 2 and a luminous flux of 3500lm
  • the second light-emitting module is an LD-phosphor light source with a brightness of 720cd/mm 2 (7W blue light excitation, light-emitting area 1.5mm 2 ).
  • the LED light source is responsible for the widening, which can achieve a projection range of 32°*12°, and the average illumination (25m screen) is 16lx.
  • the LD-phosphor light source is responsible for the center brightness.
  • an illumination of 105lx can be generated in the center.
  • This light field distribution already meets the requirements of high beam, so ADB high beam can be realized without the need to cooperate with ordinary ADB modules.
  • the position of the first light beam emitted from the LD-phosphor light source to the spot of the phosphor can be changed by rotating the mirror, thereby realizing the movement of the bright spot in the center of the projection during imaging, as shown by the dotted line in Figure 34.
  • the car light module provided by this application can be used to create richer lighting scenes, such as changes in curves, target prompts, etc.
  • FIG 35 is a circuit schematic diagram of a vehicle light module provided by an embodiment of the present application.
  • the circuit in the car light module mainly includes the main processor (host CPU) 3101, external memory interface 3102, internal memory 3103, video module 3104, power module 3105, wireless communication module 3106, I/O Interface 3107, video interface 3108, display circuit 3109, modulator 3110, etc.
  • the main processor 3101 and its surrounding components such as the external memory interface 3102, internal memory 3103, video module 3104, power module 3105, wireless communication module 3106, I/O interface 3107, video interface 3108, and display circuit 3109 can pass through the bus. connect.
  • the main processor 3101 may be called a front-end processor.
  • the circuit diagram schematically illustrated in the embodiment of the present application does not constitute a specific limitation on the vehicle light module.
  • the vehicle light module may include more or less components than shown in the figure, or some components may be combined, some components may be separated, or some components may be arranged differently.
  • the components illustrated may be implemented in hardware, software, or a combination of software and hardware.
  • the main processor 3101 includes one or more processing units.
  • the main processor 3101 may include an application processor (Application Processor, AP), a modem processor, a graphics processor (Graphics Processing Unit, GPU), an image processing unit, and an application processor.
  • different processing units can be independent devices or integrated in one or more processors.
  • the main processor 3101 may also be provided with a memory for storing instructions and data.
  • the memory in main processor 3101 is cache memory. This memory can store instructions or data that have just been used or recycled by the main processor 3101. If the main processor 3101 needs to use the instruction or data again, it can be directly called from the memory. Repeated access is avoided and the waiting time of the main processor 3101 is reduced, thus improving the efficiency of the system.
  • the vehicle light module may also include a plurality of input/output (I/O) interfaces 3107 connected to the main processor 3101.
  • the interface 3107 may include an integrated circuit (Inter-Integrated Circuit, I2C) interface, an integrated circuit built-in audio (Inter-Integrated Circuit Sound, I2S) interface, a pulse code modulation (Pulse Code Modulation, PCM) interface, and a universal asynchronous receiver and transmitter (Universal Asynchronous Receiver and Transmitter) interface.
  • I2C Inter-Integrated Circuit
  • I2S integrated circuit built-in audio
  • PCM pulse code modulation
  • PCM Universal Asynchronous Receiver and Transmitter
  • Asynchronous Receiver/Transmitter (UART) interface Mobile Industry Processor Interface (MIPI), General-Purpose Input/Output (GPIO) interface, Subscriber Identity Module (SIM) interface, And/or Universal Serial Bus (Universal Serial Bus, USB) interface, Controller Area Network (Controller Area Network, CAN) interface, etc.
  • MIPI Mobile Industry Processor Interface
  • GPIO General-Purpose Input/Output
  • SIM Subscriber Identity Module
  • USB Universal Serial Bus
  • Controller Area Network Controller Area Network
  • the external memory interface 3102 can be used to connect an external memory card, such as a Micro SD card, to expand the storage capacity of the vehicle light module.
  • the external memory card communicates with the main processor 3101 through the external memory interface 3102 to implement the data storage function.
  • Internal memory 3103 may be used to store computer executable program code, which includes instructions.
  • the internal memory 3103 may include a program storage area and a data storage area.
  • the stored program area can store the operating system, at least one application program required for the function (such as call function, time setting function, etc.).
  • the storage data area can store data created during the use of the car light module (such as phone book, world time, etc.).
  • the internal memory 3103 may include high-speed random access memory, and may also include non-volatile memory, such as at least one disk storage device, flash memory device, Universal Flash Storage (UFS), etc.
  • the main processor 3101 executes various functional applications and data processing of the vehicle light module by executing instructions stored in the internal memory 3103 and/or instructions stored in the memory provided in the main processor 3101 .
  • the video interface 3108 can receive external input video signals, which can specifically be High Definition Multimedia Interface (HDMI), Digital Video Interface (Digital Visual Interface, DVI), Video Graphics Array (VGA), Display port (DP), etc., the video interface 3108 can also output video.
  • HDMI High Definition Multimedia Interface
  • DVI Digital Video Interface
  • VGA Video Graphics Array
  • DP Display port
  • the video interface 3108 can also output video.
  • the video interface 3108 can receive speed signals and power signals input from peripheral devices, and can also receive externally input AR video signals.
  • the video interface 3108 can receive video signals input from an external computer or terminal device.
  • the video module 3104 can decode the video input by the video interface 3108, for example, perform H.264 decoding.
  • the video module can also encode the video collected by the car light module, such as H.264 encoding of the video collected by an external camera.
  • the main processor 3101 can also decode the video input from the video interface 3108, and then output the decoded image signal to the display circuit 3109.
  • the display circuit 3109 and the modulator 3111 are used to display corresponding images.
  • the video interface 3108 receives an externally input video source signal.
  • the video module 3104 decodes and/or digitizes the signal and outputs one or more image signals to the display circuit 3109.
  • the display circuit 3109 drives modulation according to the input image signal.
  • the detector 3111 images the incident polarized light, and then outputs at least two channels of imaging light.
  • the main processor 3101 can also output one or more image signals to the display circuit 3109.
  • the display circuit 3109 and the modulator 3111 are electronic components in the modulation module, and the display circuit 3109 can be called a driving circuit.
  • the power module 3105 is used to provide power to the main processor 3101 and the light source 3110 according to the input power (such as direct current).
  • the power module 3105 may include a rechargeable battery, and the rechargeable battery may provide power to the main processor 3101 and the light source 3110.
  • the light emitted by the light source 3110 can be transmitted to the modulator 3111 for imaging, thereby forming an image light signal.
  • the wireless communication module 3106 can enable the car light module to communicate wirelessly with the outside world, and can provide Wireless Local Area Networks (WLAN) (such as Wireless Fidelity (Wi-Fi) network), Bluetooth (Bluetooth, BT) ), Global Navigation Satellite System (GNSS), Frequency Modulation (FM), Near Field Communication (NFC), Infrared (IR) and other wireless communication solutions.
  • WLAN Wireless Local Area Networks
  • Wi-Fi Wireless Fidelity
  • Bluetooth Bluetooth
  • GNSS Global Navigation Satellite System
  • FM Frequency Modulation
  • NFC Near Field Communication
  • IR Infrared
  • the wireless communication module 3106 may be one or more devices integrating at least one communication processing module.
  • the wireless communication module 3106 receives electromagnetic waves through the antenna, frequency modulates and filters the electromagnetic wave signals, and sends the processed signals to the main processor 3101.
  • the wireless communication module 3106 can also receive the signal to be sent from the main processor 3101, frequency modulate it, amplify it, and convert it into electromagnetic waves through the antenna
  • the video data decoded by the video module 3104 can also be received wirelessly through the wireless communication module 3106 or read from an external memory.
  • the car light module can pass the wireless communication in the car.
  • the LAN receives video data from the terminal device or vehicle entertainment system, and the car light module can also read the audio and video data stored in the external memory.
  • FIG. 36 is a schematic diagram of a possible functional framework of a vehicle provided by an embodiment of the present application.
  • the functional framework of the vehicle may include various subsystems, such as the sensor system 12 in the figure, the control system 14, one or more peripheral devices 16 (one is shown as an example in the figure), a power supply 18.
  • Computer system 20 and display system 22 may also include other functional systems, such as an engine system that provides power for the vehicle, etc., which is not limited in this application.
  • the sensor system 12 may include several detection devices, which can sense the measured information and convert the sensed information into electrical signals or other required forms of information output according to certain rules.
  • these detection devices may include a global positioning system (GPS), vehicle speed sensor, inertial measurement unit (IMU), radar unit, laser rangefinder, camera device, wheel speed sensor, Steering sensors, gear sensors, or other components used for automatic detection, etc. are not limited in this application.
  • the control system 14 may include several elements, such as the illustrated steering unit, braking unit, lighting system, automatic driving system, map navigation system, network time synchronization system and obstacle avoidance system.
  • the control system 14 may also include components such as a throttle controller and an engine controller for controlling the driving speed of the vehicle, which are not limited in this application.
  • Peripheral device 16 may include several elements, such as a communication system, a touch screen, a user interface, a microphone and a speaker as shown, among others.
  • the communication system is used to realize network communication between vehicles and other devices other than vehicles.
  • the communication system can use wireless communication technology or wired communication technology to realize network communication between vehicles and other devices.
  • the wired communication technology may refer to communication between vehicles and other devices through network cables or optical fibers.
  • the power source 18 represents a system that provides power or energy to the vehicle, which may include, but is not limited to, rechargeable lithium batteries or lead-acid batteries, etc. In practical applications, one or more battery components in the power supply are used to provide electric energy or energy for starting the vehicle. The type and material of the power supply are not limited in this application.
  • the computer system 20 may include one or more processors 2001 (one processor is shown as an example) and a memory 2002 (which may also be referred to as a storage device).
  • the memory 2002 may also be inside the computer system 20 or outside the computer system 20 , for example, as a cache in a vehicle, etc., which is not limited by this application. in,
  • Processor 2001 may include one or more general-purpose processors, such as a graphics processing unit (GPU).
  • the processor 2001 may be used to run relevant programs or instructions corresponding to the programs stored in the memory 2002 to implement corresponding functions of the vehicle.
  • Memory 2002 may include volatile memory (volatile memory), such as RAM; memory may also include non-volatile memory (non-volatile memory), such as ROM, flash memory (flash memory), HDD or solid state drive SSD; memory 2002 may also include combinations of the above types of memories.
  • the memory 2002 can be used to store a set of program codes or instructions corresponding to the program codes, so that the processor 2001 can call the program codes or instructions stored in the memory 2002 to implement corresponding functions of the vehicle.
  • a set of program codes for vehicle control can be stored in the memory 2002, and the processor 2001 calls the program codes to control the safe driving of the vehicle. How to achieve safe driving of the vehicle will be described in detail below in this application.
  • the memory 2002 may also store information such as road maps, driving routes, sensor data, and the like.
  • Computer system 20 may be combined with other elements in the vehicle functional framework diagram, such as sensors Sensors, GPS, etc. in the system realize vehicle-related functions.
  • the computer system 20 can control the driving direction or driving speed of the vehicle based on data input from the sensor system 12 , which is not limited in this application.
  • the display system 22 can display image information, such as displaying navigation information, playing videos, etc.
  • the specific structure of the display system 24 refers to the embodiment of the vehicle light module mentioned above, and will not be described again here.
  • Figure 36 of this application shows that it includes five subsystems.
  • the sensor system 12, the control system 14, the computer system 20, the display system 22 and the vehicle light system 24 are only examples and do not constitute a limitation.
  • vehicles can combine several components in the vehicle according to different functions to obtain subsystems with corresponding different functions.
  • the vehicle may include more or fewer systems or components, which is not limited by this application.
  • the above-mentioned means of transportation can be cars, trucks, motorcycles, buses, entertainment vehicles, amusement park vehicles, construction equipment, trams, etc., and the embodiments of the present application are not particularly limited.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Projection Apparatus (AREA)

Abstract

Module de machine d'éclairage, qui peut être appliqué à une lampe de véhicule, dispositif d'affichage et véhicule. Le module de machine d'éclairage comprend : un premier module électroluminescent (210), un second module électroluminescent (220), un élément de réfraction (250) et un module de modulation (260). Le premier module électroluminescent (210) est configuré pour émettre un premier faisceau lumineux vers l'élément de réfraction (250), et le premier faisceau lumineux est incident sur le module de modulation (260) au moyen de l'élément de réfraction (250). Le second module électroluminescent (220) est configuré pour émettre un second faisceau lumineux avec une direction de transmission différente de l'élément de réfraction (250), de sorte que le second faisceau lumineux est incident à une position différente du module de modulation (260) au moyen de l'élément de réfraction (250). Le module de modulation (260) est configuré pour moduler le premier faisceau lumineux et le second faisceau lumineux émis par l'élément de réfraction (250) pour générer une lumière d'imagerie et émettre ces derniers. Le module de machine d'éclairage peut réaliser une projection présentant une luminosité élevée et un grand champ de vision dans un système ADB et peut permettre une imagerie permettant de générer un effet de suivi de luminosité en même temps.
PCT/CN2023/076662 2022-04-02 2023-02-17 Module de machine d'éclairage, module de lampe de véhicule et véhicule WO2023185302A1 (fr)

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CN202210341488.9A CN116928628A (zh) 2022-04-02 2022-04-02 一种光机模组、车灯模组和交通工具
CN202210341488.9 2022-04-02

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