Patent · US Active

Illumination device for display device, and display device

US8550645B2 · kind B2 · utility

3Cited by
4References
19Claims
0Family size

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Key dates

Filing dateNov 25, 2009
Grant dateOct 8, 2013
Priority date
Expiry dateJun 7, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2993
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An illumination device for a display device, which is formed from a substrate and a plurality of white light-emitting devices disposed on top of the substrate, and can be used as a backlight for a liquid crystal display panel, wherein the white light-emitting devices have a light source and a phosphor that is excited by the light source and emits light, and a fluorescent material with a composition represented by a general formula: M(0)aM(1)bM(2)x−(vm+n)M(3)(vm+n)−yOnNz−n is used as the phosphor.

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