Head-raising display device and vehicle with same

Abstract

The invention discloses a head-raising display device which can realize large-visual-field-angle double-picture displaying and a vehicle with same. The head-raising display device matches an image display unit in use and comprises an image generating unit and an image projection unit which is arranged between the image generating unit and the image display unit. The image generating unit at least can generate a first light beam which represents a first image and a second light beam that represents a second image. The image projection unit at least comprises a first optical module and a second optical module. The first optical module reflects the first light beam and performs beam expanding for forming a first emergent light beam. The second optical module reflects the second light beam and performs beam expanding for forming a second emergent light beam. The first optical module and the second optical module are constructed in a manner that the first emergent light beam and the second emergent light beam are deviated from each other in a manner that an included angle exists between each other, thereby correspondingly projecting a first virtual image picture and a second visual image picture which are not overlapped with each other on the image display unit to the visual field of a user.

Description

technical field [0001] The invention relates to the field of head-up display technology, in particular to a head-up display device applied to a vehicle and a vehicle equipped with the head-up display device. Background technique [0002] As we all know, the head-up display device is often used in vehicles, and is usually installed on the main console of the vehicle to allow the driver to focus on driving without looking down at the instrument panel information, and the virtual image generated by the head-up display device from the front of the field of vision You can get the desired information on the screen, so as to avoid driving safety problems caused by driving the vehicle and concentrating the eyes on the dashboard. However, with the development of information technology, more and more information needs to be displayed. In addition to information such as vehicle speed, fuel consumption, and temperature, it is also necessary to display augmented reality information on ro...

AI Technical Summary

Problems solved by technology

[0004] One is to use larger image sources and larger optical components. However, such a structure will greatly increase the volume of the head-up display device, and it is difficult to meet the installation requirements of the narrow main console;

[0005] The second is to use multi-area display: 1) A semi-transparent reflective film can be pre-pasted on the projection area of ​​the head-up display device, that is, a film-type HUD (Head Up Display) projector that is common on the market to achieve different area display. The structure not only seriously affects the appearance of the glass and the driver's field of vision, but the display effect is also poor; 2) Multiple head-up display virtual images are generated at the same time. Taking dual-screen display as an example, two imaging sources are usually used to form the corresponding first light beam and The second light beam is adjusted by a light splitting unit with a complex structure. Specifically, the first light beam and the second light beam are coupled to the same light path, so as to display two virtual images at the same time. However, such a structure is due to the first light beam and the second light beam. The second beam is emitted through the same optical path after being split and expanded by the beam splitting system. On the one hand, the degree of expansion of the field of view is limited; The virtual images will overlap on the windshield, and the overlapping virtual images will interfere with the driver's vision, which is not conducive to simultaneous display. The actual interaction between the information displayed on the head-up display and the driver Difference

[0006] It can be seen that the above-mentioned technical solution has many disadvantages while increasing the field of view of the head-up display device, which is not conducive to the development and popularization of the head-up display technology.

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