Patent · US Active

Light emitting module and method of manufacturing the same

US10971657B2 · kind B2 · utility

0Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 1, 2019
Grant dateApr 6, 2021
Priority date
Expiry dateAug 1, 2039

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/857
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A light emitting module includes: a plurality of light emitting elements each having a primary light emitting surface and a lateral surface; a plurality of wavelength conversion members arranged respectively on the primary light emitting surfaces of the plurality of light emitting elements; and a lightguide plate having a first primary surface and a second primary surface and arranged continuously on the plurality of wavelength conversion members so that the second primary surface faces the plurality of wavelength conversion members, wherein the lightguide plate includes a plurality of recessed portions located on the second primary surface, and a lateral surface of at least one of the plurality of wavelength conversion members is partially in contact with an inner lateral surface of at least one of the plurality of recessed portions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.