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Title:
LAMP DEVICE AND LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2020119739
Kind Code:
A
Abstract:
To provide a lamp device having a structure in which the number of material to be used can be reduced while heat radiation of a radiator is secured, and having excellent assemblability.SOLUTION: A lamp device 10 comprises a light emitting module 13, a radiator 12, a resin housing 11, and a power supply unit 16. The light emitting module 13 has a module substrate 45 and a light emitting element 46 mounted on the module substrate 45. The radiator 12 has: a mounting surface part 36 that mounts the light emitting module 13 on a surface on one end side; an opening part 38 provided at the center of the mounting surface part 36; and a radiation cylinder part 37 protruding from the periphery of the mounting surface part 36 toward the other end side. The resin housing 11 has: an outer cylindrical part 20 arranged outside the radiation cylinder part 37 of the radiator 12; an inner cylindrical part 21 arranged inside the radiation cylinder part 37 of the radiator 12; and a locking part 29 protruding from one end side of the inner cylinder part 21, inserted through the opening part 38, and locked to one end side of the mounting surface part 36. The power supply unit 16 is provided on the other end side of the resin housing 11.SELECTED DRAWING: Figure 1

Inventors:
FUKUSHIMA MASANORI
YAMADA TAICHI
SAKAI MAKOTO
TAMAI HIROTAKA
Application Number:
JP2019009463A
Publication Date:
August 06, 2020
Filing Date:
January 23, 2019
Export Citation:
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Assignee:
TOSHIBA LIGHTING & TECHNOLOGY
International Classes:
F21K9/237; F21K9/00; F21K9/238; F21V15/01; F21V19/00; F21V29/503; F21V29/70
Attorney, Agent or Firm:
Satoshi Kabazawa
Tetsuya Yamada



 
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