Luminescent sheet covering for LEDs
First Claim
Patent Images
1. A lighting apparatus, comprising:
- at least one light emitting diode which is disposed on an interconnect board to emit ultraviolet or blue radiation, which light emitting diode includes;
a first surface to emit radiation, and a second surface disposed opposite the first surface; and
a polymeric layer including a luminophor which is disposed about the lighting apparatus to convert at least a portion of the radiation emitted from the light emitting diode into visible light, which polymeric layer is shrinkable to conform to a shape enclosing the light emitting diode.
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Abstract
A lighting apparatus comprising at least one light emitting diode is disposed on an interconnect board to emit ultraviolet or blue radiation. A polymeric layer including a luminophor is disposed about the lighting apparatus to convert at least a portion of the radiation emitted from the LED into visible light. The polymeric layer is shrinkable to conform to a shape enclosing the light emitting diode.
53 Citations
22 Claims
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1. A lighting apparatus, comprising:
at least one light emitting diode which is disposed on an interconnect board to emit ultraviolet or blue radiation, which light emitting diode includes;
a first surface to emit radiation, and a second surface disposed opposite the first surface; and
a polymeric layer including a luminophor which is disposed about the lighting apparatus to convert at least a portion of the radiation emitted from the light emitting diode into visible light, which polymeric layer is shrinkable to conform to a shape enclosing the light emitting diode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An illumination device comprising:
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a light-transmissive display;
a backlight arranged to illuminate the light-transmissive display, the backlight including;
at least one light emitting diode to emit radiation;
a reflector to reflect the emitted radiation into the light-transmissive display, the reflector including a reflector cavity defining an air gap above the light emitting diode; and
a luminescent shrink-wrap which is disposed about the display to cover the reflector cavity and convert the reflected radiation into visible light, which shrink-wrap includes;
a first surface disposed proximately to the light emitting diode to receive the emitted radiation, and a second surface disposed distally from the light emitting diode to emit visible light. - View Dependent Claims (18, 19, 20, 21)
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22. (canceled)
Specification