HEAD-UP DISPLAY - NIPPON SEIKI CO LTD

Title:

HEAD-UP DISPLAY

Document Type and Number:

WIPO Patent Application WO/2017/086242

Kind Code:

A1

Abstract:

The purpose of the present invention is to provide a head-up display which does not easily cause a feeling of strangeness in the way in which a virtual image disappears with the movement of a point of view while achieving improved light use efficiency. An image display unit 10 displays, in a display area, a display image comprising a plurality of pixels 131, 132, 133, and emits display light L based on the display image, a projection unit 20 guides the display light L from the image display unit 10 to the viewer side, and generates an visual region 3 in which at least part of a virtual image V of the display image is visually recognizable, and a light distribution unit 14 (13) adjusts a position to which the display light L is distributed with respect to each pixel of the display area to which the display light L is emitted or with respect to an area including a plurality of pixels, and distributes the display light L such that an area that cannot be visually recognized as the virtual image V gradually increases from an end of the display area as the point view moves away from a predetermined reference point of the visual region 3.

Inventors:

SEKIYA SHUN
TAKAHASHI YUICHI

Application Number:

PCT/JP2016/083484

Publication Date:

May 26, 2017

Filing Date:

November 11, 2016

Export Citation:

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Assignee:

NIPPON SEIKI CO LTD (JP)

International Classes:

G02B27/01; B60K35/00; G09G3/02; G09G3/20; G09G3/34

Domestic Patent References:

WO2013153655A1	2013-10-17
WO2005117458A2	2005-12-08

Foreign References:

JP2015225216A	2015-12-14
JP2014235268A	2014-12-15
JP2015532462A	2015-11-09

Other References: