Device Including Multi-Function Circuitry Having Optical Detectors and Method of Flip-Chip Assembly Therefor
First Claim
1. An apparatus comprising:
- a substrate comprising a contact surface and an interface surface, the interface surface including a plurality of electrical contacts, the substrate being substantially transparent; and
a semiconductor die comprising a plurality of connections and a plurality of photo detectors, each of the plurality of connections having one of a plurality of connection bumps formed thereon to couple to the plurality of electrical contacts of the interface surface of the substrate, the plurality of connections positioned relative to the plurality of photo detectors to alter a directional response of at least one photo detector of the plurality of photo detectors.
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Accused Products
Abstract
A device includes a substrate is substantially transparent and includes a contact surface and an interface surface. The interface surface includes a plurality of electrical contacts. The device further includes a semiconductor die, which includes a plurality of connections, a first photo detector and a second photo detector. Each of the plurality of connections includes a connection bump formed thereon to couple to the plurality of electrical contacts of the interface surface of the substrate. The plurality of connections positioned relative to the first and second photo detectors to alter a directional response of at least one photo detector of the plurality of photo detectors.
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Citations
22 Claims
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1. An apparatus comprising:
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a substrate comprising a contact surface and an interface surface, the interface surface including a plurality of electrical contacts, the substrate being substantially transparent; and a semiconductor die comprising a plurality of connections and a plurality of photo detectors, each of the plurality of connections having one of a plurality of connection bumps formed thereon to couple to the plurality of electrical contacts of the interface surface of the substrate, the plurality of connections positioned relative to the plurality of photo detectors to alter a directional response of at least one photo detector of the plurality of photo detectors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A computing device comprising:
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a touch-screen substrate including an interface surface having an interconnect layer, the touch-screen substrate including a substantially transparent portion; an intesemiconductor die including an active surface having a plurality of connections, a first photo detector and a second photo detector, each of the plurality of connections including a connection bump of a plurality of connection bumps formed thereon, the semiconductor die mounted to the interconnect layer to electrically and physically couple the integrated circuit die to the touch-screen substrate; and wherein the plurality of connection bumps alter directional characteristics of the first photo detector and the second photo detector, such that the first photo detector has a first directional response that is different with respect to a second directional response of the second photo detector. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method comprising:
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calibrating a plurality of photo detectors of a multi-function integrated circuit to determine ambient light conditions, the multi-function integrated circuit mounted to an interconnect layer of a substantially transparent portion of a touch-screen substrate, the multi-function integrated circuit including the plurality of photo detectors and a plurality of connections, each of the plurality of connections having a connection bump of a plurality of connection bumps formed thereon, the plurality of connections positioned such that the plurality of connection bumps cooperate to alter a directional response of a first photo detector of the plurality of photo detectors relative to a second photo detector of the plurality of photo detectors; and determining a proximity of an object relative to the touch-screen substrate based on electrical signals produced by the plurality of photo detectors and based on calibrating the plurality of photo detectors, the electrical signals proportional to the light received by the plurality of photo detectors. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification