Patent ID: 11901498
Assignee: NICHIA CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A light-emitting unit comprising:
a wiring board having a wire layer;
a plurality of light-emitting elements provided in an array on the wiring board and electrically connected with the wire layer of the wiring board;
a sheet-like light reflecting member provided on the wiring board, the light reflecting member having a plurality of throughholes;
a plurality of wavelength conversion layers each covering an upper surface of a corresponding one of the plurality of light-emitting elements;
a plurality of light reflecting layers each being provided on a corresponding one of the plurality of wavelength conversion layers and being capable of transmitting a part of incoming light and reflecting another part of the incoming light; and
a protecting layer provided on at least a part of the light reflecting member, wherein
each of the plurality of light-emitting elements is located inside a corresponding one of the plurality of throughholes in a top view, and
the protecting layer has one or more grooves each located between two adjoining light-emitting elements in the array of the plurality of light-emitting elements, each groove penetrating through the protecting layer.