Patent · US Active

Backlight module and display device

US11131797B2 · kind B2 · utility

0Cited by
0References
14Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMar 30, 2020
Grant dateSep 28, 2021
Priority date
Expiry dateMar 30, 2040

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21Y2115/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Disclosed are a backlight module and a display device. The backlight module includes: a substrate and light emitting devices disposed on a side of the substrate, where each of the light emitting devices includes a light emitting diode, and a first connecting weld leg and a second connecting weld leg disposed between the light emitting diode and the substrate; the backlight module further includes a reflective layer between the substrate and the light emitting diodes; and for a same light emitting device, an orthographic projection of the reflective layer on the substrate and an area between orthographic projections of the first connecting weld leg and the second connecting weld leg on the substrate have an overlapping area.

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