Light emitting device
First Claim
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1. A light emitting device comprising:
- (a) a transparent substrate;
(b) a substantially transparent first electrode layer formed on said transparent substrate;
(c) a phosphor layer formed on said first electrode layer;
(d) a second electrode layer formed on said phosphor layer;
(e) an insulating layer formed on said second electrode layer; and
(f) a third electrode layer formed on said insulating layer, wherein a hot electron is generated by the application of a voltage to said second and third electrode layers and said light emitting device is energized to become luminuous by injecting said hot electron thus generated into said phosphor layer.
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Abstract
A light emitting device has a transparent substrate, a substantially transparent first electrode layer formed on the transparent substrate, a phosphor layer formed on the first electrode layer, a second electrode layer formed on the phosphor layer, an insulating layer formed on the second electrode layer, and a third electrode layer formed on the insulating layer. A hot electron is generated by the application of a voltage to the second and third electrode layers, and the light emitting device is energized to become luminuous by injecting the hot electron thus generated into the phosphor layer.
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5 Claims
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1. A light emitting device comprising:
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(a) a transparent substrate; (b) a substantially transparent first electrode layer formed on said transparent substrate; (c) a phosphor layer formed on said first electrode layer; (d) a second electrode layer formed on said phosphor layer; (e) an insulating layer formed on said second electrode layer; and (f) a third electrode layer formed on said insulating layer, wherein a hot electron is generated by the application of a voltage to said second and third electrode layers and said light emitting device is energized to become luminuous by injecting said hot electron thus generated into said phosphor layer. - View Dependent Claims (2, 3, 4, 5)
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Specification