Light active sheet and methods for making the same
First Claim
15. A method for forming a light-emitting device, comprising the steps of:
- providing a first substrate;
forming a first conductive surface on the first substrate;
forming a pattern of LED chips on the conductive pattern, each LED chip having an anode and a cathode side;
providing a second substrate;
forming a second conductive surface on the second substrate;
fixing the first substrate to the second substrate so that either of the anode and the cathode side of the LED chip is in electrical communication with the first conductive surface and the other of the anode and the cathode side of the LED chips is in electrical communication with the second conductive surface.
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Abstract
A method for making a sheet of light active material. A first substrate is provided having a transparent first conductive layer. A pattern of light active semiconductor elements are formed. The pattern of light active semiconductor elements may be formed using an electrostatic attraction and transferring process. The light active semiconductor elements have an n-side and a p-side. Each light active semiconductor element has either of the n-side or the p-side in electrical communication with the transparent conductive layer. A second substrate having a second conductive layer is provided. The second substrate is secured to the first substrate so that the other of said n-side or said p-side of each said light active semiconductor element in electrical communication with the second conductive layer. Thus, a solid-state sheet of light active material is formed.
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Citations
38 Claims
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15. A method for forming a light-emitting device, comprising the steps of:
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providing a first substrate;
forming a first conductive surface on the first substrate;
forming a pattern of LED chips on the conductive pattern, each LED chip having an anode and a cathode side;
providing a second substrate;
forming a second conductive surface on the second substrate;
fixing the first substrate to the second substrate so that either of the anode and the cathode side of the LED chip is in electrical communication with the first conductive surface and the other of the anode and the cathode side of the LED chips is in electrical communication with the second conductive surface. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A method for forming a light-to-energy device, comprising the steps of:
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providing a first substrate;
forming a first conductive surface on the first substrate;
forming a pattern of semiconductor elements on the conductive pattern, each semiconductor element comprising a charge donor layer side and a charge acceptor side;
providing a second substrate;
forming a second conductive surface on the second substrate;
fixing the first substrate to the second substrate so that either of the charge donor and the charge acceptor side of the semiconductor elements is in electrical communication with the first conductive surface and the other of the charge donor and the charge acceptor side of the semiconductor elements is in electrical communication with the second conductive surface. - View Dependent Claims (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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29-1. A method for forming a light-to-energy device according to claim 28;
- wherein at least one of the first and the second conductive surface is a transparent conductor.
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29-2. A method for forming a light-to-energy device according to claim 28;
- wherein at least one of the first and the second conductive surface is preformed on the respective first and second substrate.
Specification