Title:
照明装置
Document Type and Number:
Japanese Patent JP6699162
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a luminaire which can illuminate a footing efficiently while preventing an occupant from feeling glare and which can secure sufficient design property (ornamental design property).SOLUTION: A luminaire comprises: a primary light source 12; a light guide plate 11 for making an outgoing light of the primary light source 12 enter the light guide plate from an incidence plane, making the outgoing light transmit inside of the light guide plate then emitting the outgoing light from an outgoing plane; and a design part 19 which is held by the outgoing plane side of the light guide plate 11, and transmits and emits the outgoing light of the light guide plate 11. The outgoing light L1 from the light guide plate 11 is made to transmit the design part 19 and is emitted, by directivity in which, a direction which is obliquely inclined to a direction of internal transmission from a normal direction of the outgoing plane of the light guide plate 11 is a main outgoing direction of the outgoing light.SELECTED DRAWING: Figure 5
Inventors:
Tomohiro Taguchi
Junichi Tamukai
Ryuji Horiguchi
Junichi Tamukai
Ryuji Horiguchi
Application Number:
JP2015247861A
Publication Date:
May 27, 2020
Filing Date:
December 18, 2015
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
B60Q3/62; B60Q3/217
Domestic Patent References:
JP2009101840A | ||||
JP2013151268A | ||||
JP2004349030A | ||||
JP2005251720A | ||||
JP2010030336A | ||||
JP2014229514A | ||||
JP2013091451A | ||||
JP2015003662A | ||||
JP2009117195A | ||||
JP2005280657A |
Attorney, Agent or Firm:
Masayuki Masabayashi
Tetsuo Shiba
Hayashi Ichiyoshi
Tetsuo Shiba
Hayashi Ichiyoshi