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Patent Searching and Data


Title:
PROJECTION DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/045937
Kind Code:
A1
Abstract:
An objective of the present invention is to provide a projection display device for which an increase in device size is minimized and which has a large angle of view. Provided is a projection display device (11) which comprises a display apparatus (101) which emits display light beams (L1, L2) to be projected and reflecting members (102-107) which reflect the display light beams (L1, L2), and projects on a projection member (13) the display light beams (L1, L2) which are reflected with the reflecting members (102-107), wherein the reflecting members comprise two or more concave mirrors (102, 103), the display apparatus (101) emits the two or more display light beams (L1, L2), and the two or more display light beams (L1, L2) are respectively reflected with the two or more concave mirrors (102, 103) and are projected upon the projection member (13) such that the two or more display light beams (L1, L2) which are reflected with the two or more concave mirrors (102, 103) make contact or partially overlap.

Inventors:
MOROHASHI KAZUO
TAKAHASHI YUICHI
Application Number:
PCT/JP2014/074370
Publication Date:
April 02, 2015
Filing Date:
September 16, 2014
Export Citation:
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Assignee:
NIPPON SEIKI CO LTD (JP)
International Classes:
G02B27/01; B60K35/00; G09F9/00
Foreign References:
JP2010254149A2010-11-11
JP2002196276A2002-07-12
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