TWM560414U - A head up display system with night vision - Google Patents

Abstract

The present invention discloses a head-up display system with night vision, which is used in a car. The head-up display system includes a low-illumination camera device, a head-up display controller, a micro-projection device, a mirror device and a screen. membrane. The head-up display controller is coupled to the low-illumination camera device, and performs an image capturing the relative position of the image captured by the low-light camera device according to the relative position of the driver of the car and the head-mounted display system. The micro-projection device is used for projecting and magnifying the image captured by the head-up display controller, and the mirror device is matched with the screen film to display the image displayed by the projection and zooming. The head-up display system of the creation can also be combined with a driving recorder, and the creation can further integrate the night vision image with the head-up display (HUD) of the existing car, allowing the driver to keep his line of sight on the road on which the car travels, and at the same time With night vision function, you can also get information about the car dealership.

Description

Head-up display system with night vision

The present invention discloses a head-up display system with night vision, in particular, a night-looking head-up display system for simultaneously displaying an augmented reality picture and an actual captured image picture on the same display screen.

In the prior art, in view of the existing large-scale European and American famous car manufacturers, the image of Night Vision is output to the dashboard of the car or the screen of the center console. However, such a configuration design tends to allow the driver's line of sight to be removed from the route of travel, and therefore, the distraction of the driver often causes a driving hazard. Therefore, further thinking about how to keep the driver's line of sight on the driving route of the vehicle is a more optimized auxiliary driver's car night vision system.

In the case of the conventional general head-up display (HUD), most of them are only used to display the speed of the vehicle, or a little bit of navigation information. In this way, the overly simple head-up display function is to make the general average consumer's evaluation of the CP value of such automobile-related products very low. Therefore, further thinking is needed on how to increase the use value of such related products, so as to further enable the average consumer to have a higher willingness to purchase and install.

The present invention discloses a head-up display system with night vision, which is applied to a car. The head-up display system includes: a low-illumination camera device disposed in front of the car; a head-up display controller, and the low-illumination camera The device is coupled to perform an image capturing the relative position of the image captured by the low-light camera device according to the relative position of the driver of the automobile and the head-up display system; And being coupled to the head-up display controller for projecting and amplifying the image captured by the head-up display controller; a mirroring device disposed on one side of the output image of the micro-projection device; a screen film disposed directly in front of the front windshield of the driver's seat of the automobile for reflecting an image played by the micro-projection device refracted by the mirror device; wherein the low-light camera device performs the The car has a certain range of night vision images before driving at night, and this creation allows the driver's line of sight to be removed without being able to keep the line of sight directly in front.

In an embodiment, the head-up display controller includes: a driver position reading unit for reading a position where the driver's head eyes are located; and a head-up display system device position reading unit for reading The head-up display system is mounted on the vehicle; a low-illumination camera position reading unit is configured to read the position of the low-light camera device on the automobile; and a relative position calculation unit is respectively coupled to The driver position reading unit, the head-up display system device position reading unit, and the low-lightness camera position reading unit for calculating the driver position and the head-up display system position and the low-illumination camera position a relative position between the three; an image capture processing unit coupled to the relative position calculation unit, corresponding to the relative position between the three, corresponding to capturing the night vision image captured by the low illumination camera; and The image enhancement processing unit is coupled to the image capture processing unit to perform a contrast effect on the image area of the edge of the object for the captured night vision image.

This creation enriches the head-up display (HUD) of existing cars to project driving information and further projects night-vision images onto the head-up display (HUD), designed to allow the driver to maintain their view on the road where the car is traveling. At the same time, it also has night vision function, and can also get information about the car dealership, and this creation can further integrate the function of the driving recorder, so that the system can record the image at the time of driving, and can effectively simplify night vision. Mutual wiring problems between the system and the head-up display system and the driving record system.

10‧‧‧Heading display system

11‧‧‧Low-light camera

12‧‧‧High quality camera

13‧‧‧ Driving recorder

14‧‧‧Heading display controller

15‧‧‧Microprojection device

16‧‧‧Mirroring device

20‧‧‧ eyes

30‧‧‧Navigation device

41‧‧‧Driver position reading unit

42‧‧‧Heading display system device position reading unit

43‧‧‧Low-light camera position reading unit

44‧‧‧ Relative position calculation unit

45‧‧‧Image capture processing unit

46‧‧‧Image Filling Unit

47‧‧‧Image Enhancement Processing Unit

48‧‧‧Image signal output conversion projection unit

50‧‧‧Screen film

1 is a schematic diagram of a system of an embodiment of the present invention; 2 is a block diagram of a head-up display controller in the present embodiment; FIG. 3 is a schematic diagram of a head-up display of the driver's seat in the present embodiment; FIG. 4 is an enlarged schematic view of a head-up display in the present embodiment.

The present invention discloses a head-up display system with night vision, which simultaneously displays an augmented reality picture and an actual captured image picture, thereby realizing that the driver of the car can conveniently observe the surrounding environment of the car being driven while controlling the car. And judgment.

The exemplary embodiments are described more fully hereinafter with reference to the accompanying drawings However, the concept of the present invention may be embodied in many different forms and should not be construed as being limited to the illustrative embodiments set forth herein. Rather, these exemplary embodiments are provided so that this description will be thorough and complete, and the scope of the inventive concept will be fully conveyed to those skilled in the art. In the drawings, the size and relative size of the car, display (screen), driver's seat, associated module or camera device may be exaggerated for clarity. Similar numbers always indicate similar components.

It will be understood that, although the terms left, right, front, front or back, etc. may be used herein to describe the location of the various elements, such elements are not limited by such terms. These terms are used to clearly distinguish one element from another and the different positions. Therefore, the left (or front) component discussed below may be referred to as the right (or rear) component without departing from the teachings of the present inventive concept; the same as used herein, "upper", "lower", "upper" or "lower" The "side" only describes the relative positional relationship of the components in the automobile, and does not necessarily correspond to the upper and lower correspondence of the components. The terms "first" or "second" are used in this context only to clearly distinguish one element from another, and there is no necessarily a certain order relationship between the two. As used herein, the term "and/or" includes any of the associated listed items and all combinations of one or more. Also, the terms "plural" or "plurality" may be used herein to describe a plurality of elements, but the plural elements are not limited to the implementation of two, three or four and four or more elements. Implemented technology.

Figure 1 shows a schematic diagram of the system of the present invention. The present invention has a night vision display system for a car. The head-up display system 10 includes a low-light camera device 11, a head-up display controller 14, and a micro-projection. The device 15, a mirror device 16, and a screen film 15. In an embodiment, the head-up display system 10 further includes a high-quality image capturing device 12 and a row of car recorders 13; further, the high-quality camera device 12 is integrated with the driving recorder 13 The high-quality image capturing device 12 is a photographic lens of the driving recorder.

The low-illumination imaging device 11 is installed in front of the automobile. In actual use, the low-illumination imaging device 11 is disposed in front of the automobile, and can be disposed on the front bumper of the automobile; or it will be low. The illuminance imaging device 11 is mounted on the back surface of the mirror after the interior of the driver's seat (as shown in FIG. 3), and the lens is photographed forward; or it can be mounted on the front glass of the driver's seat. Attach the suction cup directly to the windshield in front of the driver's seat and take a photo shoot in front. In practical use, the actual product of the low-light camera device 11 can be an infrared night vision camera, a low-light camera or a star camera. The creation is not limited, that is, the infrared night can be used. The photographic lens of the sight glass captures the image of the night vision infrared effect of the car during the forward movement, and transmits it to the head-up display (HUD) installed in the current automobile, and can also use other night vision function type cameras; The illuminance imaging device 11 is also a night vision image or an infrared night vision image or a starlight image within a certain range in front of the vehicle when the vehicle is traveling at night.

The head-up display controller 14 is coupled to the low-illumination camera device 11 and performs the capture of the image captured by the low-light camera device 11 according to the relative position of the driver of the car and the head-up display system 10. The image of the position, further description of the heads up display controller 14 will be further illustrated in FIG. The micro-projection device 15 is coupled to the head-up display controller 14 for projecting and reproducing the image captured by the head-up display controller 14. The use of the micro-projection device 15 mainly considers the volume problem of the overall device, since it must be installed in the platform in front of the driver's seat of the car. Therefore, it is necessary to use the micro-projection device 15 of the micro-projector's projection and playback method.

The mirroring device 16 is disposed on one side of the output image of the micro-projection device 15. In practical practice, the mirror device 16 can be implemented as a mirror or a refractor, so that the head-up display system 10 can further project the image played by the micro-projection device 15 to the screen film 50. In order to provide the driver with the ability to view the night vision image or the infrared night vision image before the car travels; and the embodiment of the mirror can present a tilt angle when actually installed inside the car, The projected enlarged content is projected onto the screen film 50 for the driver to monitor the image of the night vision image in front.

The screen film 50 is mainly disposed directly in front of the front windshield of the driver's seat of the automobile (as shown in FIG. 3) for reflecting the image played by the micro-projection device refracted by the mirror device. And the screen film 50 is actually used as an optical film having a reflectance greater than the transmittance, as a product for practical automobile use; or a reflective lens having a semi-perspective or a reflective film having a semi-perspective.

In the embodiment in which the high-quality image capturing device 12 and the driving recorder 13 are provided as described above, although the high-quality image capturing device 12 and the driving recorder 13 are separately coupled and coupled as shown in FIG. 1, however, In actual practice, both are an integral device, such as a commercially available driving recorder 13, and the high-quality imaging device 12 is an imaging lens of a driving recorder. In the present creation, the high-quality image capturing device 12 is capable of recording images of high image quality or super-high image quality, or the high-quality image capturing device 12 and the driving recorder 13 are implemented as a unitary device. It is also possible to record images of high quality or super high quality. Thereafter, the output of the driving recorder 13 is coupled to the head-up display controller 14, and the high-definition camera 12 is disposed in the driver's cab and then photographed forward on the back of the mirror (as shown in FIG. 3), or Can be placed above the front glass in the driver's seat of the car.

On the other hand, the present invention can also be combined with a navigation device 30 to transmit the data of the related picture presented by the navigation device 30 to the head-up display controller 14, that is, The screen that can be presented by the head-up display system 10 of the present invention can include, in addition to the night vision image in front of the car and the image captured by the driving recorder 13, the information screen to be presented by the navigation device 30. Therefore, further, the head-up display system 10 of the present invention combines the night vision image in front of the car, the image captured by the driving recorder 13 and the screen data of the navigation device 30, and in actual application, the creation can provide the driver himself. Flexible selection of a certain type of screen, or the ability to automatically switch between different display screens.

As shown in FIG. 2, the present invention has a night vision head-up display system 10, further illustrating that the head-up display controller 14 includes a driver position reading unit 41, a head-up display system device position reading unit 42, and a low illumination. The camera position reading unit 43, a relative position calculating unit 44, an image capturing processing unit 45, an image filling unit 46, an image enhancement processing unit 47, and an image signal output conversion projection unit 48. In practical applications, the user can actually implement the embodiment without the image fill light unit 46 and the image signal output conversion projection unit 48, that is, after the image capture processing unit 45 is directly coupled to the image enhancement processing unit 47, The output signal from the image enhancement processing unit 47 directly serves as the output signal of the heads up display controller 14.

The driver position reading unit 41 is configured to read the position where the driver's head eye 20 is located; the head display system device position reading unit 42 is configured to read the head display system 10 installed on the automobile. The relative coordinate value of a certain position; the low-illuminance imaging device position reading unit 43 is for reading a corresponding coordinate value of a position where the low-light imaging device 11 is mounted on the automobile. Thereafter, the output signals of the three units of the driver position reading unit 41, the head-up display system device position reading unit 42, and the low-illumination camera position reading unit 43 are transmitted together to the relative position calculating unit 44. That is, the relative position calculating unit 44 is coupled to the driver position reading unit 41, the head-up display system device position reading unit 42, and the low-light camera position reading unit 43, respectively, and the function is to calculate the driving. The position where the person sits or the relative position of the driver's eyes, and the head-up display system 10 The position of the device and the position of the low illumination camera device 11, the relative position between the three is the most calculated. The head-up display system 10 of the present invention can be a box of a modular head-up display in actual assembly, that is, the implementation of the actual product of the head-up display system 10 is a box of an electronic device.

The image capturing processing unit 45 is coupled to the relative position calculating unit 44, and functions as the driver's position or the relative position of the eye, the position of the head-up display system 10, and the low-illumination camera position 11 The relative position between the two. At the same time, the input end of the image capturing processing unit 45 corresponds to the components of the head-up display controller 14 in FIG. 1 , and is simultaneously coupled to the low-light imaging device 11 , the driving recorder 13 , and the navigation device 30 . . Therefore, in FIG. 2, the image capturing processing unit 45 has three additional input arrows, and further correspondingly captures the night vision image captured by the low-light imaging device 11, and the captured night vision image can cooperate with the driver. The eye is clearly viewed from the angle of view; and the screen presented by the screen film 50 is an image of an important area, excluding images that are too far away, and avoiding that the range of images read is too large and wastes the storage space of the head-up display system 10.

In addition, in an embodiment, the image enhancement processing unit 47 is directly coupled to the image capture processing unit 45 (the embodiment shown in FIG. 2 further includes an image fill light unit 46 and a video signal output conversion projection unit 48). ), for the captured night vision image, to perform the contrast effect of the image area on the edge of the raised object, thereby enhancing the sharpness of the object in the raised image. Thereafter, the output video signal directly from the image enhancement processing unit 47 is directly used as the output video signal of the head-up display controller 14.

In the embodiment disclosed in FIG. 2, the head-up display controller 14 further includes the image fill light unit 46 and the image signal output conversion projection unit 48. The image filling unit 46 is coupled between the image capturing processing unit 45 and the image intensifying processing unit 47 for complementing the image output by the image capturing processing unit 45 to prevent night vision images. The picture is too bleak to see the existence of the object. The image signal output conversion projection unit 48 is coupled between the image enhancement processing unit 47 and the output end of the head display controller 14, and is configured to display the head up The image to be output by the controller 14 is converted into an image data format that can be read by the micro-projection device 15. It is then convenient for the micro-projection device 15 to play the night vision image data of the relevant front side when the car is moving forward, or the night vision image presented by the infrared night vision mirror in front. Finally, the image played by the micro-projection device 15 is projected onto the screen film 50 directly in front of the windshield by the refraction of the mirror device 16, and is provided for direct monitoring by the driver.

FIG. 3 is a schematic view showing the components or devices in the head-up display system 10 installed in the interior of the automobile. Of course, the embodiment of FIG. 3 is based on actual implementation, and the driver or the user can use the actual use. Make adjustments. The low-illumination imaging device 11 and the high-definition imaging device 12 can be disposed on the driver's seat after the camera. This is merely an example, and the present invention is not limited thereto. The photographing directions of the low-illumination imaging device 11 and the high-definition imaging device 12 are all photographed forward. In addition, the screen film 50 is disposed directly in front of the windshield, and the mirror device 16 is mounted at a position in the platform in front of the driver's seat, and the micro-projection device 15 is mounted within the platform.

For further explanation, referring to FIG. 4, FIG. 4 is a schematic diagram showing the installation of the partial enlarged screen film 50, the mirror device 16, and the micro-projection device 15. The screen film 50 is displayed as a night vision image; and the image played by the micro-projection device 15 is projected or refracted by the mirror device 16 to project the captured image onto the screen film 50 for driving. Monitored.

In summary, the present invention discloses a head-up display system with night vision. Through the above qualitative analysis and description, the creation can indeed display the driving information of the existing car's head-up display (HUD), and the night vision image. Further projected on the head-up display (HUD) screen film 50, the design allows the driver to maintain his or her line of sight on the road where the car is traveling, and at the same time has a night vision function, while also obtaining information about the car. Moreover, the creation can further integrate the function of the driving recorder 30, so that the system can record the image during driving at any time, and can effectively simplify the interconnection problem between the night vision system and the head-up display system and the driving recording system, which is convenient. use The driver or the driver is easily installed in the car, and it is obvious that the creation has strong patentability, advancement and practicality.

The contents described in this written description are merely illustrative of the preferred embodiments, and are not intended to limit the scope of the present invention, any related local variations, minor modifications, or additions, or digital or location. The changes and the like are still outside the scope of protection of this new model.

Claims (10)

A head-up display system with a night vision for use in a car, the head-up display system comprising: a low-illumination camera device disposed in front of the car; a head-up display controller coupled to the low-illumination camera device Connecting, according to the relative position of the driver of the automobile and the head-mounted display system, performing an image capturing the relative position of the image captured by the low-light camera device; and a micro-projection device coupled to the head-up display a controller for projecting and reproducing the image captured by the head-up display controller; a mirror device disposed on one side of the output image of the micro-projection device; and a screen film disposed on the car Directly facing the front of the front glass of the driver's seat for reflecting the image played by the micro-projection device refracted by the mirror device; wherein the low-illumination camera device performs a certain range of the vehicle before driving at night Night vision image. The night vision display system according to claim 1, wherein the low illumination camera is an infrared night vision camera, a low illumination camera or a starlight camera. The night vision head-up display system of claim 1, wherein the low-light camera device is disposed in front of the car, is disposed on the front bumper of the car, or is disposed in the driver's seat of the car. Then, look back on the back of the mirror, or set it on the front glass in the driver's seat. The night vision display system of claim 1 further includes a high-quality camera and a line of car recorders coupled to each other; the output of the driving recorder is coupled to the head display control The high-definition photographing device is disposed in the driver's cab and is photographed forward on the back of the mirror or on the front glass of the driver's seat. The night vision head-up display system of claim 4, wherein the high-definition photographing device and the driving recorder are implemented as a unitary device, and are disposed on the front glass of the driver's seat and can be recorded. High-quality or super-high quality images. The night vision head-up display system according to claim 1, wherein the mirror device is a mirror and presents a tilt angle, and the projected enlarged content is projected onto the screen film for driving. The person monitors the picture of the night vision image in front. The night vision display system according to claim 6, wherein the screen film is formed by an optical film having a reflectance greater than the transmittance, a semi-transparent reflection lens or a semi-transparent reflection film. A night vision display system as claimed in claim 1, 2, 3, 4 or 5, wherein the head up display controller comprises: a driver position reading unit for reading a driver's head eye a position display unit; a head-up display system device position reading unit for reading a position of the head-up display system mounted on the automobile; and a low-illuminance camera device position reading unit for reading the low-illumination camera The device is disposed at a position on the automobile; a relative position calculating unit is coupled to the driver position reading unit, the head display system device position reading unit, and the low illumination camera position reading unit, respectively, for calculating a relative position between the driver position and the head-up display system position and the low-light camera position; an image capture processing unit coupled to the relative position calculation unit for the relative relationship between the three a position corresponding to the night vision image captured by the low illumination camera; and an image enhancement processing unit coupled to the image capture processing unit for the captured night vision image Performing an image area to enhance the contrast of the edges of objects. The head-up display system of the night vision of claim 8, wherein the head-up display controller further comprises an image fill-up unit coupled to the image capture unit The image unit and the image enhancement processing unit are used to fill the image output by the image capture processing unit. The head-up display system of the night vision device of claim 8, wherein the head-up display controller further comprises an image signal output conversion projection unit coupled to the image enhancement processing unit and the output of the head-up display controller The image outputted by the head-up display controller is converted into an image data format that can be read by the micro-projection device.