Title:
LIGHT-EMITTING DEVICE
Document Type and Number:
Japanese Patent JP2022014113
Kind Code:
A
Abstract:
To provide a light-emitting device capable of emitting collimated irradiation light.SOLUTION: A light-emitting device comprises a light guide plate, a prism sheet and a lenticular lens, wherein a plurality of first projection parts of the light guide plate are arrayed along a first direction, and extend along a second direction crossing the first direction, and a plurality of second projection parts of the light guide plate are arrayed along the first direction, and extend along the second direction. The prism sheet comprises a plurality of third projection parts which extend along the first direction, and are arrayed in the second direction, and the lenticular lens comprises a plurality of fourth projection parts which are arrayed along the first direction, and extend along the second direction.SELECTED DRAWING: Figure 1
Inventors:
HASEGAWA MAKOTO
SUZUKI NOBUYUKI
OKADA MASAFUMI
SUZUKI NOBUYUKI
OKADA MASAFUMI
Application Number:
JP2020116282A
Publication Date:
January 19, 2022
Filing Date:
July 06, 2020
Export Citation:
Assignee:
JAPAN DISPLAY INC
International Classes:
F21S2/00; G02B5/02; G02B6/00
Attorney, Agent or Firm:
Suzue International Patent Office