Title:
HEAD-UP DISPLAY
Document Type and Number:
Japanese Patent JP2016065905
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an HUD ensuring high visibility for displaying a virtual image.SOLUTION: A head-up display mounted in a vehicle and displaying an image as a virtual image that can be visually recognized by a passenger by projecting the image onto a windshield, comprises: a light source section 10 projecting light source light; a screen member 20 inclined with respect to a virtual reference line DL corresponding to a center of an image, along a projection direction of the light source light and having a diffusion section 22 diffusing the light source light; and a translucent optical element 40 disposed between the light source section 10 and the diffusion section 22, having a first optical surface 42 exposed to the light source section 10 and a second optical surface 44 exposed to the diffusion section 22, and transmitting the light source light. A distance between the first optical surface 42 and the second optical surface 44 increases and changes as the diffusion section 22 moves from a side closer to the light source section 10 to a side farther from the light source section 10.SELECTED DRAWING: Figure 4
Inventors:
YAMAGUCHI MASAYUKI
Application Number:
JP2014193193A
Publication Date:
April 28, 2016
Filing Date:
September 23, 2014
Export Citation:
Assignee:
DENSO CORP
International Classes:
G02B27/01; B60K35/00
Domestic Patent References:
JP2015146012A | 2015-08-13 | |||
JP2015059969A | 2015-03-30 | |||
JP2014142423A | 2014-08-07 |
Foreign References:
US20140247433A1 | 2014-09-04 |
Attorney, Agent or Firm:
Kazuyuki Yahagi
Taihei Nonobe
Takanori Kubo
Taihei Nonobe
Takanori Kubo
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