Printable composition of a liquid or gel suspension of diodes
First Claim
Patent Images
1. A composition comprising:
- a plurality of diodes, each diode of the plurality of diodes comprising;
a light emitting or absorbing region having a diameter between about 20 and 30 microns and a height between about 2.5 to 7 microns;
a first terminal coupled to the light emitting or absorbing region on a first side, the first terminal having a height between about 1 to 6 microns; and
a second terminal coupled to the light emitting or absorbing region on a second side opposite the first side, the second terminal having a height between about 1 to 6 microns;
a first solvent;
a second solvent different from the first solvent; and
a viscosity modifier;
wherein the composition has a viscosity substantially about 50 cps to about 25,000 cps at about 25°
C.
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Abstract
An exemplary printable composition of a liquid or gel suspension of two-terminal integrated circuits comprises: a plurality of two-terminal integrated circuits, each two-terminal integrated circuit of the plurality of two-terminal integrated circuits less than about 75 microns in any dimension; a first solvent; a second solvent different from the first solvent; and a viscosity modifier; wherein the composition has a viscosity substantially about 50 cps to about 25,000 cps at about 25° C.
364 Citations
40 Claims
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1. A composition comprising:
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a plurality of diodes, each diode of the plurality of diodes comprising; a light emitting or absorbing region having a diameter between about 20 and 30 microns and a height between about 2.5 to 7 microns; a first terminal coupled to the light emitting or absorbing region on a first side, the first terminal having a height between about 1 to 6 microns; and a second terminal coupled to the light emitting or absorbing region on a second side opposite the first side, the second terminal having a height between about 1 to 6 microns; a first solvent; a second solvent different from the first solvent; and a viscosity modifier; wherein the composition has a viscosity substantially about 50 cps to about 25,000 cps at about 25°
C. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A composition comprising:
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a plurality of diodes, each diode of the plurality of diodes comprising; a light emitting or absorbing region having a diameter between about 20 and 30 microns and a height between about 2.5 to 7 microns; a first terminal coupled to the light emitting or absorbing region on a first side, the first terminal having a height between about 1 to 6 microns; and a second terminal coupled to the light emitting or absorbing region on a second side opposite the first side, the second terminal having a height between about 1 to 6 microns; a first solvent; a second solvent different from the first solvent; a plurality of substantially chemically inert particles having a range of sizes between about 10 to about 100 microns and present in an amount of about 0.1% to 2.5% by weight; and a viscosity modifier; wherein the composition has a viscosity substantially about 50 cps to about 25,000 cps at about 25°
C. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification