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US 2023/0228930 A1Published application
Optical member, composite optical member, and lighting device
AssigneeNichia Corporation
InventorsKensuke YAMAOKA, Hiroaki KURODA, Daisuke SANGA
Life of this patent
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Abstract
An optical member includes a first light guide member having an elongated shape and comprising an end surface and a lateral surface extending in a longitudinal direction from the end surface; and a wavelength conversion layer disposed on the lateral surface of the first light guide member and containing a phosphor.
Claims26
An optical member comprising:
- a first light guide member having an elongated shape and comprising an end surface and a lateral surface extending in a longitudinal direction from the end surface;
- and
- a wavelength conversion layer disposed on the lateral surface of the first light guide member and containing a phosphor.
Dependencies are inferred from the claim text.