Patent · US Active

Illumination device, illumination equipment, and display device

US10018776B2 · kind B2 · utility

7Cited by
0References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 10, 2014
Grant dateJul 10, 2018
Priority date
Expiry dateMay 10, 2035

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/8513
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An illumination device (11) includes a light guide plate (15) and a light source unit (10) which includes a substrate (12) and a plurality of LED chips (16) disposed on the substrate (12), and which is disposed in a position at which emitted light of the LED chips (16) enters a light entrance portion (15a) of the light guide plate (15). The LED chips (16) are disposed to form a plurality of rows on the substrate (12), and are disposed to line up in a direction which orthogonally intersects the rows between each of the rows.

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