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Patent Searching and Data


Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/030979
Kind Code:
A1
Abstract:
This display device comprises: a light guide plate (2) that is formed of a transparent member, can display one or more patterns, and has one or more incident surfaces; and a plurality of light sources (3-1 to 3-3) that are disposed so as to face any of the one or more incident surfaces and that emit light beams of mutually different colors. The light guide plate (2) includes a plurality of prisms (11) that are arrayed along a pattern (21) on one surface of the light guide plate and that reflect light beams, which have been emitted respectively from the plurality of light sources, have passed though the one or more incident surfaces, and have entered inside the light guide plate, so as to be outputted from another surface of the light guide plate. For each of the plurality of light sources (3-1 to 3-3), the arrangement density of the prisms that reflect the light beam from each light source, from among the plurality of prisms (11), is set in accordance with the color of the pattern (21).

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Inventors:
MORI, Masanori (46 Aza-Nogoshi, Oku-cho, Ichinomiya-sh, Aichi 01, 〒4910201, JP)
TAKAGI, Yoshihiko (801 Minamifudodo-cho, Horikawahigashiiru, Shiokoji-dori, Shimogyo-ku, Kyoto-sh, Kyoto 30, 〒6008530, JP)
KISHIMOTO, Jun (46 Aza-Nogoshi, Oku-cho, Ichinomiya-sh, Aichi 01, 〒4910201, JP)
IKEDA, Shogo (46 Aza-Nogoshi, Oku-cho, Ichinomiya-sh, Aichi 01, 〒4910201, JP)
HISAKI, Shohei (46 Aza-Nogoshi, Oku-cho, Ichinomiya-sh, Aichi 01, 〒4910201, JP)
FUJITA, Junya (46 Aza-Nogoshi, Oku-cho, Ichinomiya-sh, Aichi 01, 〒4910201, JP)
Application Number:
JP2018/014786
Publication Date:
February 14, 2019
Filing Date:
April 06, 2018
Export Citation:
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Assignee:
OMRON CORPORATION (801 Minamifudodo-cho, Horikawahigashiiru Shiokoji-dori, Shimogyo-ku, Kyoto-sh, Kyoto 30, 〒6008530, JP)
International Classes:
G09F13/18; F21S2/00; A63F7/02; F21Y113/10; F21Y115/10
Foreign References:
JP2017084763A2017-05-18
JP2008275921A2008-11-13
JP2015094833A2015-05-18
Attorney, Agent or Firm:
AOKI, Atsushi et al. (SEIWA PATENT & LAW, Toranomon 37 Mori Bldg. 5-1, Toranomon 3-chome, Minato-k, Tokyo 23, 〒1058423, JP)
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