Title:
VEHICULAR WINDOW UNIT
Document Type and Number:
Japanese Patent JP2021077480
Kind Code:
A
Abstract:
To provide a vehicular window unit having high light utilization efficiency.SOLUTION: A vehicular window unit 100 comprises a light source part 410, a light guide part 200, and a black part 300. The light guide part 200 is formed into a plate-shape, and comprises an introduction part 201 including an incident surface on which light emitted from the light source 410 is incident, a flat plate part 202 through which the light introduced into the introduction part 201 is passed, a curved part 203 for changing a traveling direction of the light passed through the flat plate part 202, and an emitting part 204 for emitting the light passed through the curved part 203. The introduction part 201 introduces the light emitted from a light source, in a direction along a planar direction of the flat plate part 202 toward the flat plate part 202. The black part 300 is provided on a planar part 202a located on an interior side of a vehicle out of the flat plate part 202.SELECTED DRAWING: Figure 3
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Inventors:
MOCHIZUKI JUMPEI
NAKADA YUSUKE
TAKAHASHI YUKI
TAMURA RETSUTO
NAKADA YUSUKE
TAKAHASHI YUKI
TAMURA RETSUTO
Application Number:
JP2019201447A
Publication Date:
May 20, 2021
Filing Date:
November 06, 2019
Export Citation:
Assignee:
KOITO MFG CO LTD
International Classes:
F21S43/245; B60J1/10; F21S2/00; F21S43/14; F21S43/145; F21S43/239; F21S43/249
Attorney, Agent or Firm:
Shinei Patent Office