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Digital heads up display system

A digital display, concave mirror technology, applied in instruments, vehicle parts, optical observation devices, etc., can solve problems such as increasing the driver's visual fatigue, and achieve the effects of rich content, easy implementation and simple structure

Active Publication Date: 2015-04-29
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that the existing head-up digital display system directly forms a real image on the front windshield or the diffusion imaging unit, the driver needs to switch the eye focus back and forth to observe the road conditions and the information on the front windshield or the diffusion imaging unit, resulting in increased driving time. To solve the problem of personnel visual fatigue, the embodiment of the present invention provides a head-up digital display system

Method used

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Embodiment

[0023] like figure 1 As shown, this example will specifically describe the head-up digital display system, which is installed on the dashboard of a car, including a housing 1, a micro projector 2 and a concave mirror 5;

[0024] The micro-projector 2 and the concave mirror 5 are installed in the housing 1, and the optical path between the micro-projector 2 and the concave mirror 5 is smaller than the focal length of the concave mirror 5; and The casing 1 is provided with a projection outlet 8 through which the light reflected by the concave mirror 5 is emitted.

[0025] The head-up digital display system mentioned in this example is installed under the instrument panel, and the top is flat with the instrument panel; Then the image is projected into the driver's field of view through the front windshield 7 .

[0026] Micro-projector 2 is well known to those skilled in the art. There are three light sources of RGB (red, green, and blue) inside, and the outgoing light is contro...

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Abstract

An embodiment of the invention provides a digital heads up display system in order to solve the problem that a driver needs to roll eyes to observe road conditions and information on a front windshield glass or a diffusive imaging unit and consequently feels vision fatigue since an existing digital heads up display system directly images on the front windshield glass or diffusive imaging unit. The digital heads up display system mounted on a dashboard comprises a housing, a miniature projector and a concave mirror. The miniature projector and the concave mirror are assembled in the housing, and the optical length between the miniature projector and the concave mirror is smaller than the focal length of the concave mirror. The housing is provided with a projection outlet. Light reflected by the concave mirror is emitted through the projection outlet. Switching to and fro of eyeball focal length during driving is avoided, and the purpose of safety driving is achieved. After the images are zoomed out, more automobile information can be displayed on the heads up display system, so that the digital heads up display system is richer in content and more powerful in function. Besides, the digital heads up display system is simple in structure and easy to implement.

Description

technical field [0001] The invention relates to the field of automobiles, in particular to a head-up digital display system installed on an automobile instrument panel. Background technique [0002] As we all know, in order to facilitate the driver and passengers to control the vehicle, there are generally various combination instruments or multimedia in the car, which makes the driver need to look down at the combination instrument and multimedia to obtain vehicle information during driving. Unnecessary risks to driving. [0003] In order to solve this risk, people will transplant the head-up digital display system (English full name: Heads Up Display, HUD for short) used on the aircraft to the vehicle, which is an intelligent head-up display system. [0004] The existing head-up digital display system generally has the following scheme, including an image generation device and a diffusion imaging unit. The image generation device is installed on the instrument panel to ge...

Claims

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Application Information

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IPC IPC(8): B60R1/00G02B27/01
CPCB60R1/00B60R2300/30G02B27/0101
Inventor 王晓伟赖英乾杨超强廖国新
Owner BYD CO LTD
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