LED lampshade injection-molded or pressure cast with an IMD...

Details LED lampshade injection-molded or pressure cast with an IMD... LED lampshade injection-molded or pressure cast with an IMD...

2007-01-30

2010-10-12

Sample, David R (Department: 1783)

Stock material or miscellaneous articles

Decorative article

C428S412000, C428S913300, C362S084000, C362S260000, C362S351000

Reexamination Certificate

active

07811672

ABSTRACT:
A LED lampshade suitable for mass production and characterized by extended LED working life is disclosed having a plastic lampshade body made by means of injection molding or pressure casting, and an in-mold decoration film directly bonded to the plastic lampshade body during the injection molding or pressure casting process. The in-mold decoration film comprises a base layer, a release layer covered on the base layer, a printing layer of a fluorescent substance or ink of a predetermined color, and an adhesive layer covered on the printing layer for bonding to the plastic lampshade body. The LED lampshade can be used with a blue LED to produce white light. The printing layer can be printed with different color inks for producing light of different colors.

REFERENCES:
patent: 6544634 (2003-04-01), Abrams et al.
patent: 7547113 (2009-06-01), Lee

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