A compact head-up display device and display method
A head-up display and compact technology, which is applied in the field of vehicle-mounted intelligent hardware and optics, can solve the problems of complex structure of the head-up display device, long optical length of the lighting system, and large volume of the lighting system, which is beneficial to controlling heat dissipation and imaging , the effect of high lighting efficiency
Active Publication Date: 2020-09-15
SUZHOU CARROBOT AUTOMOTIVE ELECTRONICS TECH CO LTD
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Problems solved by technology
In order to match the lighting system and imaging system, the optical length of the lighting system is long, that is, there is a large distance between the light source and the illuminated liquid crystal display, which will cause the lighting system to be bulky and the internal structure of the head-up display device to be complicated, which cannot meet the requirements. Requirements for said feature 3)
In addition, in the prior art, for the above-mentioned feature 1), although the brightness of the virtual image can be adjusted, when the virtual image brightness reaches the threshold (highest), the power consumption of the entire lighting system is often very large, which cannot meet the requirements of the above-mentioned feature 2).
[0008] Currently adopted technical solutions can not take into account: uniformity, high brightness and volume
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[0026] The principles of the disclosure will now be described with reference to some example embodiments. It can be understood that these embodiments are described only for the purpose of illustrating and helping those skilled in the art to understand and implement the present disclosure, rather than suggesting any limitation to the scope of the present disclosure. The disclosure described herein may be implemented in various ways other than those described below.
[0027] As used herein, the term "comprising" and its variations may be understood as open-ended terms meaning "including but not limited to". The term "based on" may be understood as "based at least in part on". The term "one embodiment" can be read as "at least one embodiment". The term "another embodiment" may be understood as "at least one other embodiment".
[0028] The driver's eye area is referred to as the eye box area in this application.
[0029] The principle of the fly-eye lens array system in this a...
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The present invention discloses a compact head-up display device and a display method. The display device comprises an imaging system and a lighting system. The lighting system comprises a light source assembly, a compound eye lens array, a lens assembly and a liquid crystal display. A light beam emitted from the light source assembly sequentially passes through the compound eye lens array and the lens assembly to irradiate onto the liquid crystal display. The imaging system is used for projecting an image onto the liquid crystal display. A virtual image in front of a driver can be seen in an eye box region of the driver. According to the compact head-up display device, the light energy utilization rate is improved and the power consumption of the system is reduced. Meanwhile, the size of the overall device is reduced. In addition, the entire device is compact in structure, so that the device can be conveniently installed in the limited space of a vehicle.
Description
technical field [0001] The invention relates to the field of optics and the field of vehicle-mounted intelligent hardware, in particular to a compact head-up display device and a display method. Background technique [0002] In order to facilitate the driver to view vehicle information, navigation information, etc. during driving, the head-up display device is used to optically project image information near the driver's line of sight to avoid looking down at the instrument panel. The head-up display projects the liquid crystal display image in front of the vehicle to form a virtual image. And in the head-up display device, the virtual image that the driver is required to watch has the following characteristics: [0003] 1) The brightness of the virtual image is adjustable. In a high-brightness environment during the day, it can project a high-brightness picture, and in a low-brightness environment at night, it can project a low-brightness picture. [0004] 2) The head-up ...
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IPC IPC(8): G02B27/01
CPCG02B27/0101G02B2027/0141
Inventor 苗顺平马斌斌闵剑锋
Owner SUZHOU CARROBOT AUTOMOTIVE ELECTRONICS TECH CO LTD