LIGHT EMITTING DEVICE HAVING A TRANSPARENT THERMALLY CONDUCTIVE LAYER
First Claim
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1. An apparatus, comprising:
- a transparent thermally conductive layer;
a phosphor layer provided on the transparent thermally conductive layer, wherein the phosphor layer is not enclosed by the transparent thermally conductive layer; and
at least one light emitting semiconductor arranged to emit light toward the transparent thermally conductive layer and the phosphor layer.
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Abstract
A light emitting device and method of producing the same is disclosed. The light emitting device includes a transparent thermally conductive layer, a phosphor layer provided on the transparent thermally conductive layer, wherein the phosphor layer is not enclosed within any layers not containing phosphor, and at least one light emitting semiconductor arranged to emit light toward the transparent thermally conductive layer and the phosphor layer.
6 Citations
21 Claims
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1. An apparatus, comprising:
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a transparent thermally conductive layer; a phosphor layer provided on the transparent thermally conductive layer, wherein the phosphor layer is not enclosed by the transparent thermally conductive layer; and at least one light emitting semiconductor arranged to emit light toward the transparent thermally conductive layer and the phosphor layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus, comprising:
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at least one light emitting semiconductor; a phosphor layer; and a transparent layer thermally coupled to the phosphor layer, wherein the transparent layer is arranged with the phosphor layer such that light from said at least one light emitting semiconductor passes through the transparent layer to the phosphor layer, and wherein at least a portion of the light output from the phosphor layer does not pass back through the transparent layer. - View Dependent Claims (10, 11, 12)
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13. An apparatus, comprising:
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at least one light emitting semiconductor; a phosphor layer; and a transparent layer configured to dissipate heat generated by the phosphor layer, wherein the entire transparent layer is between the phosphor layer and said at least one light emitting semiconductor. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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Specification