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HUD

A head-up display and information display technology, applied in the field of head-up displays, can solve problems such as hindering information display adaptation, interfering with visual direction recognition, etc., to achieve the effect of improving recognizability

Inactive Publication Date: 2016-05-11
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, unfavorable light behavior can temporarily interfere with the detection of the viewing direction in this embodiment and can prevent the adaptation of the information display to the changed viewing direction.

Method used

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Experimental program
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Embodiment Construction

[0038] exist figure 1 FIG. 3 schematically shows a section through a head-up display 1 according to the prior art, with a surrounding part of the PKW 30 . A driver 32 is shown as an observer of the HUD1. The main parts of the HUD 1 , such as the display 3 , the optical elements 4 , 5 and the adjustment unit 6 , are arranged in the housing 2 below the front windshield 31 of the Pkw 30 .

[0039] As an image generating unit, the display 3 shows information graphically and injects the light of the imaging radiation beam into the imaging optics, which is represented, for example, by means of two optical elements 4 and 5 . In order to achieve a construction that is as space-saving as possible, although mirrors are preferably used, the imaging optics can also include lenses, prisms, filters and elements with combined or additional optical effects. The light emitted from the display 3 follows the light path 20 determined by the imaging optics 4 , 5 , so that the light of the inform...

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PUM

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Abstract

The invention relates to head-up displays (1) for vehicles (30), which use a transparent surface (31) in the vehicle (30) in the viewing direction of an observer as a display area for displaying information by means of an imaging unit (3), wherein an representation optics (4, 5) is arranged between the imaging unit (3) and the display area, comprising adjustment means (6) by means of which information displayed can be adjusted to different eye positions of the observer, a camera (16) for recording the head of the observer, and an image processing unit for evaluating recordings taken by the camera (16). To this end, projection means are provided for representing an optically detectable mark (24) in the direction of the observer's head, and the image processing unit is designed to evaluate the mark (24) on the basis of a recording taken by the camera (16).

Description

technical field [0001] The invention relates to a head-up display for a vehicle. Background technique [0002] With the head-up display, also referred to as HUD in the following, the information of the vehicle can be gradually displayed through the transparent windshield into the line of sight of the observer, especially the driver, who sees through the windshield. In this way, the displayed information of the vehicle and, for example, the traffic situation occurring in front of the vehicle can be viewed simultaneously at a glance. Due to the advantages of this display device, several different implementations of head-up displays are currently known. [0003] A head-up display can be used to represent information as a virtual image. In this case, the displayed information appears to an observer as an image that is falsely located outside the vehicle. An additional advantage of this type of display is that strain on the eyes of the observer can be avoided in order to adapt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B27/00G02B27/01
CPCG02B27/0093G02B27/01G02B2027/0138G02B2027/014G02B2027/0187
Inventor B.赫佐格M.魏尔克斯R.迈耶G.德贝尔U.卡尔曼
Owner ROBERT BOSCH GMBH