Diode for a printable composition
First Claim
Patent Images
1. A diode comprising:
- a light emitting or absorbing region, the light emitting or absorbing region having a mesa region;
at least one first terminal coupled to the light emitting or absorbing region on a first side and located peripherally to the mesa region; and
a second terminal coupled centrally to the mesa region on the first side, a contact of the second terminal being spaced apart from a contact of the at least one first terminal by about 1 to 7 microns in height;
wherein the diode is less than about 50 microns in any dimension.
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Abstract
An exemplary printable composition of a liquid or gel suspension of diodes comprises a plurality of diodes, a first solvent and/or a viscosity modifier. An exemplary diode comprises: a light emitting or absorbing region having a diameter between about 20 and 30 microns and a height between 2.5 to 7 microns; a plurality of first terminals spaced apart and coupled to the light emitting region peripherally on a first side, each first terminal of the plurality of first terminals having a height between about 0.5 to 2 microns; and one second terminal coupled centrally to a mesa region of the light emitting region on the first side, the second terminal having a height between 1 to 8 microns.
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Citations
20 Claims
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1. A diode comprising:
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a light emitting or absorbing region, the light emitting or absorbing region having a mesa region; at least one first terminal coupled to the light emitting or absorbing region on a first side and located peripherally to the mesa region; and a second terminal coupled centrally to the mesa region on the first side, a contact of the second terminal being spaced apart from a contact of the at least one first terminal by about 1 to 7 microns in height; wherein the diode is less than about 50 microns in any dimension. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A diode comprising:
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a light emitting or absorbing region having a mesa region; at least one first terminal coupled to the light emitting or absorbing region on a first side and located peripherally to the mesa region, the at least one first terminal having a height less than about 2 microns; and a second terminal coupled centrally to the mesa region of the light emitting or absorbing region on the first side, the second terminal having a height less than about 8 microns; wherein the diode has a lateral dimension less than about 50 microns and a height less than about 25 microns. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A diode comprising:
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a light emitting or absorbing region having height less than about 7 microns; at least one first terminal coupled to the light emitting or absorbing region on a first side and located peripherally to a mesa region of the light emitting or absorbing region; and a second terminal coupled centrally to the mesa region of the light emitting or absorbing region on the first side, wherein a contact of the second terminal is spaced apart from a contact of the at least one first terminal by about 1 to 7 microns in height; wherein the diode has a lateral dimension less than about 50 microns and a height less than about 25 microns, and wherein each lateral side of the diode has a substantially sigmoidal curvature and terminates in a curved point.
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Specification