Title:
DISPLAY DEVICE AND GAME MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/031215
Kind Code:
A1
Abstract:
This display device comprises: a light guide plate (2) that is capable of displaying a pattern and has one or more incident surfaces; a plurality of light sources (3-1 to 3-3) that are disposed facing any of the one or more incident surfaces and that emit light beams of mutually different colors; and a control unit (6) that controls the illumination of the light sources in accordance with illumination control information that designates the light sources that are to be illuminated. A plurality of prisms (11) are formed on one surface of the light guide plate (2), the prisms (11) being arrayed along a pattern (21) and reflecting light beams, which have been emitted from the plurality of light sources and have entered the light guide plate via the one or more incident surfaces so as to exit 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) when that light source is turned on.
Inventors:
MORI MASANORI (JP)
TAKAGI YOSHIHIKO (JP)
KISHIMOTO JUN (JP)
HISAKI SHOHEI (JP)
FUJITA JUNYA (JP)
IKEDA SHOGO (JP)
TAKAGI YOSHIHIKO (JP)
KISHIMOTO JUN (JP)
HISAKI SHOHEI (JP)
FUJITA JUNYA (JP)
IKEDA SHOGO (JP)
Application Number:
PCT/JP2018/027541
Publication Date:
February 14, 2019
Filing Date:
July 23, 2018
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO (JP)
International Classes:
G09F13/18; A63F7/02
Foreign References:
| JP2017084763A | 2017-05-18 | |||
| JPH04246683A | 1992-09-02 | |||
| JP2002211197A | 2002-07-31 | |||
| JP2017107048A | 2017-06-15 | |||
| KR101287025B1 | 2013-07-17 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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