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Patent Searching and Data


Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/176439
Kind Code:
A1
Abstract:
In order to provide a display device capable of improving the appearance of a segment display, the present invention has: a substrate 14 having a plurality of light sources 15; partition walls 45 which partitively surround respective light sources 15 and each of which has a substrate-side opening 45a being in contact with the substrate 14 and an output-side opening 45b for outputting light of each light source 15 guided from the substrate-side opening 45a; a display plate 13 that is disposed facing the output-side openings 45b of the partition walls 45 and that displays information through the transmission of the light from the light sources 15; and a light guide body 16 that is arranged between the partitions walls 45 and the display plate 13, that has an incident surface 30a facing the substrate 14 and an emission surface 30b facing the display plate 13, and that guides the light that passes inside the partition walls 45 from the incident surface 30a to the emission surface 30b. The light guide body 16 has a plurality of sub light guide bodies 31 which are respectively provided for the light sources 15 and are separated from each other by gaps 16d, and the display plate 13 displays information by forming segments with the respective light outputted from the emission surface 30b of each sub guide body 31.

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Inventors:
NEMOTO MASAYUKI
TAKEUCHI KAZUYA
TAKIZAWA RYO
Application Number:
PCT/JP2019/005490
Publication Date:
September 19, 2019
Filing Date:
February 15, 2019
Export Citation:
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Assignee:
NIPPON SEIKI CO LTD (JP)
International Classes:
G01D7/00; B60K35/00
Foreign References:
JP2012037570A2012-02-23
JP2007127909A2007-05-24
JP2000502184A2000-02-22
JPH11101667A1999-04-13
JPH05257429A1993-10-08
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