Title:
ILLUMINATED SIGN USING QUANTUM DOTS
Document Type and Number:
Japanese Patent JP2018185532
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide signs comprising photoluminescent quantum dots (QDs).SOLUTION: An illuminated sign has a primary light source 101 in spaced relation to a transparent or translucent substrate 103. The substrate has quantum dot phosphors printed or coated thereon. The primary light source may be a blue LED, a white LED or an LED having a significant portion of its emission in the ultraviolet region of the spectrum. The LED may be a backlight for the transparent or translucent substrate and/or an edge light, a down light or an up light.SELECTED DRAWING: Figure 1
Inventors:
NIGEL PICKETT
OMBRETTA MASALA
JAMES HARRIS
NATHALIE GRESTY
OMBRETTA MASALA
JAMES HARRIS
NATHALIE GRESTY
Application Number:
JP2018132149A
Publication Date:
November 22, 2018
Filing Date:
July 12, 2018
Export Citation:
Assignee:
NANOCO TECHNOLOGIES LTD
International Classes:
G09F13/04; F21S2/00; F21V9/32; G09F13/20
Domestic Patent References:
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Foreign References:
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Attorney, Agent or Firm:
Maruyama International Patent Office