Light unit with staggered electrodes
First Claim
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1. A light unit with staggered electrodes, comprising:
- a light source having a first electrode and a second electrode;
a first metal lead coupled to said first electrode;
a second metal lead coupled to said second electrode; and
an encapsulant sealing top portions of the first and second metal leads;
whereinsaid first metal lead has an upper insulation portion below said encapsulant and a lower exposed conductive portion as a bottom electrode below said upper insulation portion;
said second metal lead has an upper exposed conductive portion as a top electrode below said encapsulant and a lower insulation portion below said upper exposed conductive portion;
said upper insulation portion has a length no less than that of the upper exposed conductive portion; and
said lower insulation portion has a length no less than that of the lower exposed conductive portion.
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Abstract
A staggered light unit has a top-bottom electrode lead. The light unit is insertable into a substrate having a metal/insulation/metal sandwich structure.
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Citations
8 Claims
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1. A light unit with staggered electrodes, comprising:
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a light source having a first electrode and a second electrode; a first metal lead coupled to said first electrode; a second metal lead coupled to said second electrode; and an encapsulant sealing top portions of the first and second metal leads; wherein said first metal lead has an upper insulation portion below said encapsulant and a lower exposed conductive portion as a bottom electrode below said upper insulation portion; said second metal lead has an upper exposed conductive portion as a top electrode below said encapsulant and a lower insulation portion below said upper exposed conductive portion; said upper insulation portion has a length no less than that of the upper exposed conductive portion; and said lower insulation portion has a length no less than that of the lower exposed conductive portion. - View Dependent Claims (2)
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3. A light unit with staggered electrodes, comprising:
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a light source having a first electrode and a second electrode; a 1st metal lead coupled to said first electrode; a 2nd metal lead shorter than the 1st metal lead and coupled to said second electrode; and an encapsulant sealing top portions of said 1st and 2nd metal leads; wherein said 1st metal lead has an upper insulation portion below said encapsulant and a lower exposed conductive portion as a bottom electrode below said upper insulation portion; said 2nd metal lead has an exposed conductive portion as a top electrode below said encapsulant; and said upper insulation portion has a length no less than that of the exposed conductive portion of said 2nd metal lead. - View Dependent Claims (4, 5, 6)
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7. A light board for insertion of a light unit with staggered electrodes;
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said light unit comprising; a light source having a first electrode and a second electrode; a first metal lead coupled to said first electrode, and having a first exposed conductive portion; and a second metal lead coupled to said second electrode, and having a second exposed conductive portion staggered with respect to said first exposed conductive portion to form a top-bottom electrode structure; and said light board comprising a metal/insulation/metal sandwich structure, wherein one of said metals is coupled to said top electrode and the other metal is coupled to said bottom electrode when said light unit is inserted into said light board. - View Dependent Claims (8)
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Specification