Light emitting diode switch device and array
OwnerPeter Sui Lun Fonginventor
Life of this patent
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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.
Claims20
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 lead;
- a first touch sensor lead frame electrically connected to the first touch sensor lead;
- wherein the second polarity lead is connectible to an light emitting diode driver source, and the first touch sensor lead is connectible to a touch sensor controller input.
A combination input and output device, comprising:
- a light emitting diode driver integrated circuit including a plurality of independent output lines;
- a touch input controller integrated circuit including a plurality of independent input lines;
- and
- an array of light emitting diode switch devices each including:
- a first electroluminescent semiconductor element electrically connected to a one of the plurality of independent output lines of the light emitting diode driver integrated circuit;
- and
- a first integrated touch sensor lead electrically connected to a one of the plurality of independent input lines of the touch input controller integrated circuit;
- wherein the first electroluminescent semiconductor element and the first integrated touch sensor lead is encapsulated into a case.
A light emitting diode switch device, comprising:
- an electroluminescent semiconductor element with a first polarity contact and a second polarity contact;
- a first polarity lead frame with the electroluminescent semiconductor element mounted thereto with the first polarity contact thereof electrically connected to the first polarity lead frame;
- a second polarity lead frame electrically connected to the second polarity contact of the electroluminescent semiconductor element;
- a touch sensor lead frame;
- and
- a touch sensor contact electrically connected to the touch sensor lead frame.
Dependencies are inferred from the claim text.