Light emitting diode switch device and array
First Claim
1. A light emitting diode switch device, comprising:
- a first polarity lead;
at least one electroluminescent semiconductor element with a first polarity contact and a second polarity contact;
a first polarity LED lead frame with the at least one electroluminescent semiconductor element mounted thereto with the first polarity contact thereof electrically connected to the first polarity lead;
a second polarity lead;
a second polarity LED lead frame electrically connected to the second polarity lead, the second polarity lead being electrically connected to the second polarity contact of the electroluminescent semiconductor element;
a first touch sensor structure of a unitary construction defined by a first touch sensor lead section, a first touch sensor contact section, and a first touch sensor lead frame section, wherein the first touch sensor contact section and the first touch sensor lead frame section are each electrically connected to and structurally integral with the first touch sensor lead section, an entire structural contiguity of the first touch sensor structure independently detecting a capacitive touch input and independently correlated with an independent capacitive touch sensor controller input; and
a second touch sensor structure of a unitary construction defined by a second touch sensor lead section, a second touch sensor contact section and a second touch sensor lead frame section, wherein the second touch sensor contact section and the second touch sensor lead frame section are each electrically connected to and structurally integral with the second touch sensor lead section, an entire structural contiguity of the second touch sensor structure independently detecting a capacitive touch input and independently correlated with another independent capacitive touch sensor controller input;
an at least partially translucent case encapsulating the electroluminescent semiconductor element, the first polarity LED lead frame, the second polarity LED lead frame, the first touch sensor lead frame section, and the second touch sensor lead frame section;
wherein the entire structural contiguity of the first touch sensor lead frame section and the first touch sensor contact section is unexposed on an outer surface of the case, the first touch sensor contact section extends partially around a first subsection of an internal circumference of the at least partially translucent case and galvanic isolation being maintained while dielectric conduction is allowed;
wherein the entire structural contiguity of the second touch sensor lead frame section and the second touch sensor contact section is unexposed on an outer surface of the case, the second touch sensor contact section extends partially around a second subsection of the internal circumference of the at least partially translucent case and galvanic isolation being maintained while dielectric conduction is allowed.
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Abstract
An LED switch device and a matrix thereof are disclosed. There is an electroluminescent semiconductor element with a first polarity contact and a second polarity contact. There is also a first polarity LED lead frame, to which the electroluminescent semiconductor element is mounted. The first polarity contact of the electroluminescent semiconductor element is electrically connected to the first polarity LED lead frame. The LED switch device has a second polarity LED lead frame electrically connected to the second polarity contact of the electroluminescent semiconductor element. The LED switch device also has a touch sensor lead frame that is electrically connected to a touch sensor lead.
23 Citations
12 Claims
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1. A light emitting diode switch device, comprising:
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a first polarity lead; at least one electroluminescent semiconductor element with a first polarity contact and a second polarity contact; a first polarity LED lead frame with the at least one electroluminescent semiconductor element mounted thereto with the first polarity contact thereof electrically connected to the first polarity lead; a second polarity lead; a second polarity LED lead frame electrically connected to the second polarity lead, the second polarity lead being electrically connected to the second polarity contact of the electroluminescent semiconductor element; a first touch sensor structure of a unitary construction defined by a first touch sensor lead section, a first touch sensor contact section, and a first touch sensor lead frame section, wherein the first touch sensor contact section and the first touch sensor lead frame section are each electrically connected to and structurally integral with the first touch sensor lead section, an entire structural contiguity of the first touch sensor structure independently detecting a capacitive touch input and independently correlated with an independent capacitive touch sensor controller input; and a second touch sensor structure of a unitary construction defined by a second touch sensor lead section, a second touch sensor contact section and a second touch sensor lead frame section, wherein the second touch sensor contact section and the second touch sensor lead frame section are each electrically connected to and structurally integral with the second touch sensor lead section, an entire structural contiguity of the second touch sensor structure independently detecting a capacitive touch input and independently correlated with another independent capacitive touch sensor controller input; an at least partially translucent case encapsulating the electroluminescent semiconductor element, the first polarity LED lead frame, the second polarity LED lead frame, the first touch sensor lead frame section, and the second touch sensor lead frame section; wherein the entire structural contiguity of the first touch sensor lead frame section and the first touch sensor contact section is unexposed on an outer surface of the case, the first touch sensor contact section extends partially around a first subsection of an internal circumference of the at least partially translucent case and galvanic isolation being maintained while dielectric conduction is allowed; wherein the entire structural contiguity of the second touch sensor lead frame section and the second touch sensor contact section is unexposed on an outer surface of the case, the second touch sensor contact section extends partially around a second subsection of the internal circumference of the at least partially translucent case and galvanic isolation being maintained while dielectric conduction is allowed. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A combination input and output device, comprising:
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a light emitting diode driver integrated circuit including a plurality of independent output lines; a capacitive touch input controller integrated circuit including a plurality of independent input lines; and an array of light emitting diode switch devices, each device including; a first polarity lead; at least one electroluminescent semiconductor element with a first polarity contact and a second polarity contact; a first polarity LED lead frame with the at least one electroluminescent semiconductor element mounted thereto with the first polarity contact thereof electrically connected to the first polarity lead; a second polarity lead; a second polarity LED lead frame electrically connected to the second polarity lead, the second polarity lead being electrically connected to the second polarity contact of the electroluminescent semiconductor element; a first touch sensor structure of a unitary construction defined by a first touch sensor lead section, a first touch sensor contact section, and a first touch sensor lead frame section, wherein the first touch sensor contact section and the first touch sensor lead frame section are each electrically connected to and structurally integral with the first touch sensor lead section, the first touch sensor contact section is electrically connected to and structurally integral with the first touch sensor lead frame section, an entire structural contiguity of the first touch sensor structure independently detecting a capacitive touch input and independently correlated with an independent capacitive touch sensor controller input; and a second touch sensor structure of a unitary construction defined by a second touch sensor lead section, a second touch sensor contact section and a second touch sensor lead frame section, wherein the second touch sensor contact section and the second touch sensor lead frame section are each electrically connected to and structurally integral with the second touch sensor lead section, an entire structural contiguity of the second touch sensor structure independently detecting a capacitive touch input and independently correlated with an independent capacitive touch sensor controller input; an at least partially translucent case encapsulating the electroluminescent semiconductor element, the first polarity LED lead frame, the second polarity LED lead frame, the first touch sensor lead frame section and the second touch sensor lead frame section; wherein the entire structural contiguity of the first touch sensor lead frame section and the first touch sensor contact section is unexposed on an outer surface of the case, the first touch sensor contact section extends partially around a first subsection of an internal circumference of the at least partially translucent case and galvanic isolation being maintained while dielectric conduction is allowed; wherein the entire structural contiguity of the second touch sensor lead frame section and the second touch sensor contact section is unexposed on an outer surface of the case, the second touch sensor contact section extends partially around a second subsection of the internal circumference of the at least partially translucent case and galvanic isolation being maintained while dielectric conduction is allowed; wherein each of the first touch sensor structure and the second touch sensor structure independently and simultaneously detecting capacitive touch input without any cooperation with a respective other one of the first touch sensor structure and the second touch sensor structure, with a specific combination of the first-axis matrix coordinate position corresponding to the first touch sensor structure and the second-axis matrix coordinate position corresponding to the second touch sensor structure uniquely identifying a specific one of the light emitting diode switch devices in the array. - View Dependent Claims (9, 10, 11, 12)
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Specification