Patent · US Active

Light emitting device

US11899306B2 · kind B2 · utility

0Cited by
1References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 16, 2021
Grant dateFeb 13, 2024
Priority date
Expiry dateOct 22, 2041

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133612
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A light emitting device includes: a lightguide plate including a first surface on which a plurality of first recesses are provided; a light-reflective resin layer located on a bottom portion of each first recess; a plurality of light emitting elements each having an upper surface and a lateral surface, wherein each one of the plurality of light emitting elements is arranged in a corresponding one of the plurality of first recesses; and a plurality of wavelength conversion members, wherein: the upper surface of each light emitting element is attached to the light-reflective resin layer; and each of the plurality of wavelength conversion members covers the lateral surface of the light emitting element in the first recess.

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