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US 12,638,168 B2Granted
Illumination device
AssigneeJapan Display Inc.
InventorDaisuke Hamano
Life of this patent
Estimating the term…
Abstract
An illumination device includes: a heat sink; a light source disposed on one side of the heat sink in a first direction and configured to be cooled by the heat sink; an optical member disposed on the one side of the light source in the first direction; and a first attachment member attaching the light source and the optical member to the heat sink.
Claims4
An illumination device comprising:
- a heat sink;
- a light source disposed on one side of the heat sink in a first direction and configured to be cooled by the heat sink;
- an optical member disposed on the one side of the light source in the first direction;
- and
- a first attachment member attaching the light source and the optical member to the heat sink, wherein
- the first attachment member includes
- an elongated member extending in the first direction outside the heat sink and having a fixed relative position to the heat sink in the first direction,
- a first holder assembled outside the elongated member, and
- a second holder assembled on the one side of the elongated member in the first direction and disposed on the one side of the heat sink in the first direction, the light source and the optical member being attached to the second holder, and
- an optical element is provided on the one side of the optical member in the first direction and attached to the first holder of the first attachment member through a second attachment member.
7 more elements
Dependencies are inferred from the claim text.