Method for identifying installation position of optical module relative to display panel, and in-vehicle display system and vehicle using said method

Abstract

According to the present invention, there is provided an in-vehicle display device, an in-vehicle display system, and a vehicle, in which the distance between the optical module and the left edge or the right edge of the display panel in a plan view direction is [Equation 1] From TIFF2023552924000064.tif1231 [Equation 2] TIFF2023552924000065.tif1230, The distance between the optical module and the upper edge of the display panel is between 0 and [Equation 3] TIFF2023552924000066.tif1732, The distance between the optical module and the lower edge of the display panel is: [Equation 4] b from TIFF2023552924000067.tif1732.

Description

[Technical Field]

[0001] The present invention relates to an in-vehicle display device, an in-vehicle display system, and a vehicle. [Background technology]

[0002] In recent years, smart security for automobiles has been attracting widespread attention. DMS (Driver Monitor System) monitors driver fatigue, and with the gradual evolution and multi-functional upgrade of autonomous driving, vehicle network communication, and related technologies, it is necessary to combine an optical module and a display panel in the DMS. It is important to determine how to position the optical module on the in-vehicle display device to facilitate information collection and monitoring communication.

[0003] Therefore, there is a need for an in-vehicle display device, an in-vehicle display system, and a vehicle that can solve the above technical problems. Summary of the Invention [Problem to be solved by the invention]

[0004] According to the present invention, an in-vehicle display device, an in-vehicle display system, and a vehicle are provided that can solve the technical problem of the difficulty in selecting the installation position of the optical module in the current in-vehicle display device. [Means for solving the problem]

[0005] According to one aspect of the present invention, there is provided an in-vehicle display device including a display panel and an optical module, wherein the distance between the optical module and the left edge or the right edge of the display panel in a plan view direction of the in-vehicle display device is

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[0006] It is preferable that the optical module is provided on a side of the display panel away from the headrest of the driver's seat, and that a normal to a light receiving surface of the optical module is parallel to a normal to a display surface of the display panel.

[0007] In a planar view of the in-vehicle display device, it is preferable that the display panel includes a first axis of symmetry that passes through the geometric center of the display panel and is perpendicular to the lower edge of the display panel, and the optical module is provided on the first axis of symmetry.

[0008] In a plan view of the in-vehicle display device, the distance between the optical module and the geometric center of the display panel is preferably greater than the distance between the optical module and an upper edge of the display panel.

[0009] In a plan view of the in-vehicle display device, the distance between the optical module and the left edge or the right edge of the display panel is

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[0010] It is preferable that the in-vehicle display device is tilted in a direction away from the headrest of the driver's seat, and θ is in the range of 0° to 20°.

[0011] Preferably, α is between 30° and 60°, and β is between 20° and 40°.

[0012] The optical module preferably includes any one of a visible light imaging unit, an infrared imaging unit, and a distance sensor.

[0013] It is preferable that the installation area of ​​the optical module is divided into a first area and a second area, each of the first area and the second area consists of an isosceles triangle, the base of the isosceles triangle is parallel to the lower edge of the display panel, and the intersection of the two hypotenuses of the isosceles triangle is the geometric center of the display panel.

[0014] According to another aspect of the present invention, there is provided an in-vehicle display system including an in-vehicle display device including a display panel and an optical module, and an electronic control unit connected to the in-vehicle display device and used for communication between the in-vehicle display device and other devices, wherein the distance between the optical module and either the left edge or the right edge of the display panel in a plan view direction of the in-vehicle display device is

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[0015] It is preferable that the vehicle further comprises a driving assistance system connected to the electronic control unit, for collecting vehicle surrounding environment information and displaying it on the in-vehicle display device.

[0016] It is preferable that the vehicle further comprises a vehicle information communication unit connected to the electronic control unit via a vehicle bus, for transmitting vehicle information to the electronic control unit and displaying the information on the in-vehicle display device.

[0017] According to another aspect of the present invention, there is provided a vehicle including a vehicle body and an in-vehicle display device provided on the vehicle body, the in-vehicle display device including a display panel and an optical module, wherein, in a plan view direction of the in-vehicle display device, the distance between the optical module and a left edge or a right edge of the display panel is

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[0018] It is preferable that the optical module is provided on a side of the display panel away from the headrest of the driver's seat, and that a normal to a light receiving surface of the optical module is parallel to a normal to a display surface of the display panel.

[0019] In a planar view of the in-vehicle display device, it is preferable that the display panel includes a first axis of symmetry that passes through the geometric center of the display panel and is perpendicular to the lower edge of the display panel, and the optical module is provided on the first axis of symmetry.

[0020] In a plan view of the in-vehicle display device, the distance between the optical module and the geometric center of the display panel is preferably greater than the distance between the optical module and an upper edge of the display panel.

[0021] In a plan view of the in-vehicle display device, the distance between the optical module and the left edge or the right edge of the display panel is

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[0022] Preferably, α is between 30° and 60°, and β is between 20° and 40°.

[0023] The optical module preferably includes any one of a visible light imaging unit, an infrared imaging unit, and a distance sensor.

[0024] It is preferable that the vehicle body includes a dashboard located in front of a driver, and the in-vehicle display device is provided on the dashboard. [Effects of the Invention]

[0025] According to the present invention, the installation position of the optical module on the in-vehicle display device is planned by modeling based on the distance between the optical module and the driver's seat headrest, the field of view angle of the optical module, the standard dimensions of the driver's head, and the mounting angle of the in-vehicle display device to facilitate information collection and monitoring communication, thereby improving the driver's driving safety and traffic safety. [Brief explanation of the drawings]

[0026] [Figure 1]1 is a schematic diagram of a modeling situation showing an in-vehicle display device according to an embodiment of the present invention; [Figure 2] 1 is a schematic diagram of a first modeling configuration showing an in-vehicle display device according to an embodiment of the present invention. [Figure 3] FIG. 4 is a schematic diagram of a second modeling configuration showing the in-vehicle display device according to the embodiment of the present invention. [Figure 4] FIG. 10 is a schematic diagram of a third modeling configuration showing the in-vehicle display device according to the embodiment of the present invention. [Figure 5] 1 is a first schematic plan view showing an in-vehicle display device according to an embodiment of the present invention. [Figure 6] FIG. 2 is a second schematic plan view showing the in-vehicle display device according to the embodiment of the present invention. [Figure 7] FIG. 3 is a third schematic plan view showing the in-vehicle display device according to the embodiment of the present invention. [Figure 8] FIG. 4 is a fourth schematic plan view showing the in-vehicle display device according to the embodiment of the present invention. [Figure 9] FIG. 5 is a schematic plan view showing the in-vehicle display device according to the embodiment of the present invention. [Figure 10] FIG. 6 is a schematic plan view showing the in-vehicle display device according to the embodiment of the present invention. [Figure 11] 1 is a schematic diagram showing the configuration of an in-vehicle display system according to an embodiment of the present invention; [Figure 12] 1 is a schematic diagram showing the configuration of a vehicle according to an embodiment of the present invention; DETAILED DESCRIPTION OF THE INVENTION

[0027] According to the present invention, an in-vehicle display device, an in-vehicle display system, and a vehicle are provided. In order to clarify the objectives, technical means, and effects of the present invention, the present invention will be described in detail using examples with reference to the drawings. It should be noted that the specific examples described are merely for interpreting the present invention and are not intended to limit the present invention.

[0028] According to the present invention, an in-vehicle display device, an in-vehicle display system, and a vehicle are provided. Each of these will be described in detail below. Note that the order in which the embodiments are described does not limit the priority order of the embodiments.

[0029] As shown in FIGS. 1 to 10, according to an embodiment of the present invention, an in-vehicle display device 100 including a display panel 200 and an optical module 300 is provided.

[0030] In the plan view of the in-vehicle display device 100, the distance between the optical module 300 and the left edge or the right edge of the display panel 200 is

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[0031] According to the present invention, the installation position of the optical module 300 on the in-vehicle display device 100 is planned by modeling based on the distance between the optical module 300 and the driver's seat headrest 410, the field of view angle of the optical module 300, the standard dimensions of the driver's head 420, and the mounting angle of the in-vehicle display device 100 to facilitate information collection and monitoring communication, thereby improving the driving safety and traffic safety of the driver.

[0032] Next, the technical means of the present invention will be described with reference to specific examples.

[0033] The core functions of the DMS include fatigue monitoring, concentration loss monitoring and risky behavior monitoring.

[0034] Regarding fatigue monitoring, while driving, the imaging unit collects the driver's actions such as closing their eyes and yawning, and the DMS determines whether the driver is tired and the level of fatigue based on parameters such as driving time and driving speed. Depending on the fatigue level, the system issues warnings to the driver, such as sound warnings, voice message warnings, seat belt tightening warnings, and meter warnings.

[0035] Regarding the monitoring of concentration decline, while driving, the imaging unit collects the driver's gaze shift and face angle shift and makes a judgment based on the angle threshold of the shift. When the threshold is exceeded, the time count is started, and the level of concentration decline is judged based on the length of time, and a warning such as an audio warning, a voice message warning, a seat belt fastening warning, or a meter warning is given to the driver.

[0036] The dangerous behavior monitoring includes the driver's smoking, phone calls, and eating and drinking. In this embodiment, the in-vehicle display device 100 includes a display panel 200 and an optical module 300. The optical module 300 is provided on the side away from the light-emitting direction of the display panel 200.

[0037] In one embodiment, the optical module 300 is disposed below the display panel 200. This can provide a better display effect to the in-vehicle display device 100. When the display is turned off or not displayed, the display panel 200 has an excellent all-black appearance.

[0038] In one embodiment, as shown in Fig. 1, to find the location of the optical module 300 on the display panel 200, the optical module 300 needs to collect optical information from the driver's chin to forehead (i.e., the entire optical information of the driver's head 420). The viewing angles of the optical module 300 are horizontal and vertical angles, and the cockpit of a car is modeled in the horizontal and vertical directions, respectively. See Fig. 2 for an example of the horizontal modeling.

[0039] As shown in FIG. 3, taking the horizontal direction as an example, in FIG. 3, G indicates the direction of gravity, the direction of gravity of the arrow G is the vertical direction, ×G indicates the horizontal direction, α is the horizontal field of view angle of the optical module 300, L′ is the standard horizontal width of the driver's head 420, and the vertical distance L between the geometric center of the driver's seat headrest 410 and the optical module is the distance from the driver's head 420 to the display panel 200. In this case, the driver's head 420 needs to be within the range of the horizontal field of view angle of the optical module 300, that is, the range of the horizontal field of view angle of the optical module 300 is h′=2Ltan(α / 2). When the optical module 300 is installed by moving it left and right, the horizontal position range of the optical module 300 is determined taking into account the boundary conditions.

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[0040] As shown in FIG. 4 , taking the vertical direction as an example, β is the vertical viewing angle of the optical module 300, L″ is the standard length of the driver's head 420 in the vertical direction, and the vertical distance L between the geometric center of the driver's seat headrest 410 and the optical module is the distance from the driver's head 420 to the display panel 200. In this case, the driver's head 420 needs to be within the range of the vertical viewing angle of the optical module 300, that is, the range of the vertical viewing angle of the optical module 300 is

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[0041] 5, the installation area of ​​the optical module 300 can be obtained by modeling calculation. The obtained installation area of ​​the optical module 300 is indicated by B.

[0042] As shown in FIGS. 5 to 9, the geometric center of the display panel 200 is indicated by A.

[0043] In one embodiment, the in-vehicle display device 100 may be mounted on the dashboard 30. A steering wheel may be located between the dashboard 30 and the driver's head 420, and the positional relationship between the optical module 300 and the steering wheel must be considered. Generally, high light transmittance can be achieved when the optical module 300 is located in the upper center of the display panel 200. The optical module 300 can be located in three directions: at the bottom border of the lower side, the left border of the lower side, and the right border of the right side, with the geometric center of the display panel 200 as the origin. When the optical module 300 is located at the top border of the upper side, closer to the top edge, it may be located closer to the top edge of the display panel 200. In an extreme case, the optical module 300 may be located at the top edge of the display panel 200.

[0044] As shown in FIG. 6, in the plan view direction of the in-vehicle display device 100, the distance between the optical module 300 and the left edge or the right edge of the display panel 200 is

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[0045] In one embodiment, L' is the standard horizontal width of the driver's head 420, and L" is the standard vertical length of the driver's head 420. The standard horizontal width of the driver's head 420 may be 15.0 cm to 15.5 cm, with an average value of 15.4 cm. The standard vertical length of the driver's head 420 may be 22.0 cm to 22.5 cm, with an average value of 22.3 cm.

[0046] In another embodiment, as shown in FIG. 2 , the optical module 300 is provided below the display panel 200. The optical module 300 is provided on the side of the display panel 200 away from the driver's seat headrest 410. A normal to the light receiving surface of the optical module 300 and a normal to the display surface of the display panel 200 are parallel. The optical module 300 is provided on the side of the display panel 200 closer to the light emission direction. The normal to the light receiving surface of the optical module 300 is indicated by dashed line 310, and the normal to the display surface of the display panel 200 is indicated by dashed line 210. When an inclination angle exists between the display panel 200 and the vertical direction, assembling the optical module 300 and the display panel 200 together can achieve excellent module integration, reduce device space, and improve integration.

[0047] In one embodiment, the shape of the display panel 200 may be regular or irregular. At least one side of the display panel 200 is parallel to the horizontal direction. Specifically, the bottom edge of the display panel 200 is parallel to the horizontal direction. Here, the display panel 200 may be standardized. For convenience, a rectangle will be used as an example of standardization.

[0048] 7 , in a plan view of the in-vehicle display device 100, the display panel 200 includes a first axis of symmetry 500 that passes through the geometric center of the display panel 200 and is perpendicular to the lower edge of the display panel 200. The optical module 300 is provided on the first axis of symmetry 500.

[0049] When the display panel 200 is rectangular, the first symmetry axis 500 is a connecting line connecting the center point of the upper edge and the center point of the lower edge. Usually, the display panel 200 has a symmetrical shape, and the first symmetry axis 500 is provided on the symmetrical axis of the display panel 200. At the same time, the distances between the optical module 300 and the upper and lower edges are respectively between 0 and 100°.

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[0050] In one embodiment, the in-vehicle display device 100 may be mounted on the dashboard 30. A steering wheel may be located between the dashboard 30 and the driver's head 420, and the positional relationship between the optical module 300 and the steering wheel must be taken into consideration. Generally, high light transmittance can be achieved when the optical module 300 is located in the upper center of the display panel 200. When the optical module 300 is mounted, the optical module 300 is mounted close to the upper edge of the display panel 200.

[0051] As shown in FIG. 8, in the plan view direction of the in-vehicle display device 100, the distance between the optical module 300 and the geometric center of the display panel 200 is greater than the distance between the optical module 300 and the upper edge of the display panel 200.

[0052] In one embodiment, taking into consideration that the in-vehicle display device 100 may be installed on the dashboard 30, for example, in a new energy vehicle, the dashboard 30 is installed at a relatively high position so that a larger portion of the upper part can be displayed. Since there is no steering wheel between the dashboard 30 and the driver's head 420, the optical module 300 can be installed around a position close to the geometric center of the display panel 200, thereby improving the comprehensiveness of information collection.

[0053] As shown in FIG. 9, in the plan view direction of the in-vehicle display device 100, the distance between the optical module 300 and the left edge or the right edge of the display panel 200 is

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[0054] The optical module 300 is installed around the periphery of the display panel 200 at a position close to the geometric center thereof, which increases the probability that the driver will pay attention to the central region of the display panel 200, thereby improving the overall coverage of information collection and the accuracy of information collection.

[0055] In one embodiment, the in-vehicle display device 100 is tilted in a direction away from the driver's seat headrest 410, and θ is between 0° and 20°.

[0056] In one embodiment, in order to achieve both ease of viewing when the driver observes the display panel 200, convenience for gathering information, and safety, θ is 10° to 15°, and preferably θ is 13.7°.

[0057] In one embodiment, α is between 30° and 60° and β is between 20° and 40°.

[0058] In one embodiment, α can be set to 37° to 40° and β can be set to 25° to 30° to take into account the presence of an obstruction such as the handle 40. Preferably, α is set to 38° and β is set to 27°.

[0059] 10, in consideration of the difficulty of selecting an installation area, the installation area of ​​the optical module is divided into a first area B1 and a second area B2 each formed of an isosceles triangle. The base of the isosceles triangle is parallel to the bottom edge of the display panel 200, and the intersection of the two hypotenuses of the isosceles triangle is the geometric center A of the display panel 200.

[0060] In some embodiments, only the first region B1 or the second region B2 may be reserved so that an absolute concentration area of ​​gaze is avoided.

[0061] In one embodiment, taking the second region B2 as an example, if the length of the base of the isosceles triangle is 8 cm and the height of the isosceles triangle is 2 cm, then ΔH1 / 2 = 4 cm and ΔH' / 2 = 2 cm.

[0062] In one embodiment, the optical module 300 is located 1 to 2 cm above or below the geometric center of the display panel 200. Because the geometric center of an object is typically the location where most of a driver's gaze is focused, high manufacturing requirements are placed on the optical module 300 and the display panel 200. For example, a unified appearance, such as a solid black appearance or an HD high-resolution display below the panel, is required. Sufficient light transmittance is also required. By locating the optical module 300 1 to 2 cm above or below the geometric center of the display panel 200, the driver's gaze can be prevented from being focused on the unified point. This eliminates the need for high manufacturing standards, reduces manufacturing difficulty, and reduces costs. Furthermore, the requirement for sufficient light transmittance can be met.

[0063] In some embodiments, the present invention does not specifically limit the size of the display panel 200. For example, if the vehicle 10 is a special vehicle with a very large transparent windshield, the size of the display panel 200 of the in-vehicle display device 100 may be large. The installation area of ​​the present invention may be expanded or reduced in proportion to the special size of the display panel 200.

[0064] In one embodiment, the optical module 300 includes one of a visible light imager, an infrared imager, and a distance sensor. The optical module 300 may be a lower module of the display panel 200. In this case, the infrared imager has a lower light transmittance requirement than the visible light imager, which can improve the accuracy of light information collection.

[0065] In one embodiment, the display panel 200 may be a liquid crystal display panel 200, or may be a self-emitting display panel 200 such as an OLED display panel 200, an AMOLED display panel 200, a QLED display panel 200, a Mini-LED display panel 200, or a Micro-LED display panel 200. The display panel 200 is not specifically limited.

[0066] In one embodiment, a liquid crystal display panel 200 is briefly described as an example of the display panel 200 .

[0067] The in-vehicle display device 100 is installed in a vehicle and used in a driving monitoring system. The in-vehicle display device 100 has a display function and an imaging function, so that the driving monitoring system can meet the requirements for monitoring continuous driving and the driver's state.

[0068] The in-vehicle display device includes a backlight module, a first polarizing sheet, and a second polarizing sheet. The display panel has a non-display light-transmitting area and a display area surrounding the non-display light-transmitting area. The backlight module is located behind the light-emitting surface of the display panel. The backlight module has a second through-hole corresponding to the non-display light-transmitting area so that the backlight module can pass through.

[0069] The optical module is provided in the second through-hole. That is, the optical module is located behind the light exit surface of the display panel so as to correspond to the non-display light-transmitting area. The first polarizing sheet is provided between the backlight module and the display panel. The second polarizing sheet is provided on the side of the display panel away from the first polarizing sheet. The first polarizing sheet and the second polarizing sheet are both provided on both sides of the display panel.

[0070] The display panel includes an array substrate, a liquid crystal layer disposed on the array substrate, and a color film layer disposed on the liquid crystal layer.

[0071] In one embodiment, the display panel further includes electrode layers located on both sides of the liquid crystal layer.

[0072] In one embodiment, the display panel further includes a spacer layer positioned between the liquid crystal layer and the color film layer, which can control the thickness of the module and provide a step, thereby protecting the display panel.

[0073] In one embodiment, the array substrate includes an active layer, a gate insulating layer located on the active layer, a gate layer located on the gate insulating layer, an interlayer insulating layer located on the gate layer, and a source / drain layer located on the interlayer insulating layer.

[0074] In one embodiment, the color film layer includes a plurality of red resistors, a plurality of green resistors, a plurality of blue resistors, and a light-shielding unit located between adjacent color resistors.

[0075] In an embodiment, the in-vehicle display device 100 further includes a backlight module located on the rear side of the display panel 200. The backlight module includes a light source and a diffusion unit.

[0076] According to the present invention, the installation position of the optical module on the in-vehicle display device is planned by modeling based on the distance between the optical module and the driver's seat headrest, the field of view angle of the optical module, the standard dimensions of the driver's head, and the mounting angle of the in-vehicle display device to facilitate information collection and monitoring communication, thereby improving the driver's driving safety and traffic safety.

[0077] As shown in FIG. 11, according to an embodiment of the present invention, an in-vehicle display system is provided that includes the above-described in-vehicle display device 100 and an electronic control unit that is connected to the in-vehicle display device 100 and is used for communication between the in-vehicle display device 100 and other devices.

[0078] Next, the technical means of the present invention will be described with reference to specific examples.

[0079] In one embodiment, the in-vehicle display system further includes a driving assistance system connected to the electronic control unit to collect vehicle surrounding environment information and display it on the in-vehicle display device 100 .

[0080] In one embodiment, the in-vehicle display system further includes a vehicle information communication unit connected to the electronic control unit via a vehicle bus, for transmitting information of the vehicle 10 to be displayed by the in-vehicle display device 100 .

[0081] For example, by displaying the scenery around the vehicle or object identification information for smart assisted driving on the in-vehicle display device 100 in the in-vehicle display system, it is possible to improve the enjoyment of driving and driving safety.

[0082] As shown in FIG. 12, according to an embodiment of the present invention, a vehicle 10 is provided that includes a vehicle body 20 and the above-described in-vehicle display device 100 provided on the vehicle body 20.

[0083] Next, the technical means of the present invention will be described with reference to specific examples.

[0084] In one embodiment, the vehicle body 20 includes a dashboard 30 and a driver's seat. The driver's seat includes a driver's seat headrest 410 and a driver's seat backrest. The dashboard 30 is located in front of the driver.

[0085] In one embodiment, the in-vehicle display device 100 may be provided on the dashboard 30 so that a driver seated in the driver's seat can easily collect information.

[0086] In one embodiment, the vehicle body 20 further includes a handle 40. The handle 40 may be located on a connecting line connecting the in-vehicle display device 100 and the driver's head 420, or may be located elsewhere. The handle 40 may be specifically provided depending on the vehicle model.

[0087] In one embodiment, the vehicle body 20 further includes a central control board, and the in-vehicle display device 100 may be mounted on the central control board.

[0088] In one embodiment, the vehicle body 20 further includes a windshield. The in-vehicle display device 100 may be mounted on the windshield. The in-vehicle display device 100 must have a transparent display. The specific configuration for achieving the transparent display is not the focus of the present invention, and therefore no specific limitations are imposed here.

[0089] According to an embodiment of the present invention, there is provided an in-vehicle display device, an in-vehicle display system, and a vehicle. The in-vehicle display device includes a display panel and an optical module, and the distance between the optical module and the left edge or the right edge of the display panel in a plan view direction of the in-vehicle display device is

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[0090] The present embodiment has been described above, but the above-described embodiment merely illustrates some of the application examples of the present invention, and is not intended to limit the technical scope of the present invention to the specific configurations of the above-described embodiment.

Claims

1. A method for identifying an installation position of an optical module with respect to a display panel, the optical module and the display panel being included in an in-vehicle display device, In a plan view of the in-vehicle display device, the distance between the optical module and the left edge or the right edge of the display panel is [0010] from [0025] year, The distance between the optical module and the upper edge of the display panel is between 0 and [0030] year, The distance between the optical module and the lower edge of the display panel is: [0045] From b, L is the distance between the optical module and the geometric center of the driver's seat headrest; L' is the standard horizontal width of the driver's head, L″ is the standard vertical length of the driver's head, α is the horizontal viewing angle of the optical module; β is the vertical viewing angle of the optical module; θ is the mounting angle between the in-vehicle display device and a vertical plane, a is the standard length of the display panel in the horizontal direction, b is the standard length of the display panel in a direction perpendicular to the horizontal direction in a plane in which the display panel is located; A method for identifying an installation position of an optical module relative to a display panel.

2. the optical module is provided on a side of the display panel away from the headrest of the driver's seat, a normal line of the light receiving surface of the optical module and a normal line of the display surface of the display panel are parallel to each other; A method for identifying an installation position of an optical module relative to a display panel according to claim 1.

3. In a plan view direction of the in-vehicle display device, the display panel includes a first axis of symmetry that passes through a geometric center of the display panel and is perpendicular to a lower edge of the display panel, The optical module is provided on the first axis of symmetry. A method for identifying an installation position of an optical module relative to a display panel according to claim 1.

4. In a plan view direction of the in-vehicle display device, a distance between the optical module and a geometric center of the display panel is greater than a distance between the optical module and an upper edge of the display panel. A method for identifying an installation position of an optical module relative to a display panel according to claim 3.

5. In a plan view of the in-vehicle display device, the distance between the optical module and the left edge or the right edge of the display panel is [0050] from [006] year, The distance between the optical module and the upper edge or the lower edge of the display panel is [0070] from [0080] Let us say, A method for identifying an installation position of an optical module relative to a display panel according to claim 1.

6. the in-vehicle display device is tilted in a direction away from the driver's seat headrest, θ is set to 0° to 20°. A method for identifying an installation position of an optical module relative to a display panel according to claim 1.

7. α is between 30° and 60°, β is between 20° and 40°; A method for identifying an installation position of an optical module relative to a display panel according to claim 1.

8. The optical module includes any one of a visible light imaging unit, an infrared imaging unit, and a distance sensor. A method for identifying an installation position of an optical module relative to a display panel according to claim 1.

9. The installation area of ​​the optical module is divided into a first area and a second area, The first region and the second region each have an isosceles triangle shape, the base of the isosceles triangle is parallel to the bottom edge of the display panel; The intersection of the two hypotenuses of the isosceles triangle is the geometric center of the display panel. A method for identifying an installation position of an optical module relative to a display panel according to claim 1.

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