Solid state transducer devices, including devices having integrated electrostatic discharge protection, and associated systems and methods
View Patent ↗Solid state transducer devices having integrated electrostatic discharge protection and associated systems and methods are disclosed herein. In one embodiment, a solid state transducer device includes a solid state emitter, and an electrostatic discharge device carried by the solid state emitter. In some embodiments, the electrostatic discharge device and the solid state emitter share a common first contact and a common second contact. In further embodiments, the solid state lighting device and the electrostatic discharge device share a common epitaxial substrate. In still further embodiments, the electrostatic discharge device is positioned between the solid state lighting device and a support substrate.
1. A solid state transducer system, comprising:
a solid state emitter; and
an electrostatic discharge device carried by the solid state emitter, the electrostatic discharge device and the solid state emitter having a shared first contact and a shared second contact, with the first and second contacts being the only externally accessible active electrical contacts for both the solid state emitter and the electrostatic discharge device,
wherein the solid state emitter is grown from an epitaxial substrate, and wherein the electrostatic discharge device comprises a portion of the epitaxial substrate.
2. The system of claim 1 , further comprising:
a power source operably connected to the first contact; and
a controller operably connected to the power source, the controller configured to start and stop current from the power source to the first contact.
3. The system of claim 1 wherein the solid state emitter and the electrostatic discharge device together form a single die.
4. The system of claim 1 wherein the electrostatic discharge device comprises a semiconductor junction.
5. A solid state transducer system, comprising:
a solid state emitter; and
an electrostatic discharge device carried by the solid state emitter, the electrostatic discharge device and the solid state emitter having a shared first contact and a shared second contact, with the first and second contacts being the only externally accessible active electrical contacts for both the solid state emitter and the electrostatic discharge device, wherein the electrostatic discharge device includes at least a portion of an epitaxial substrate; and
a via in the epitaxial substrate, wherein the first contact is connected to the solid state emitter with the via.
6. The system of claim 5 wherein the electrostatic discharge device comprises a diode connected between the first contact and the second contact.
7. The system of claim 5 wherein the electrostatic discharge device comprises a semiconductor junction.
8. The system of claim 5 wherein the solid state emitter is positioned between the electrostatic discharge device and the substrate.
9. The system of claim 5 , further comprising:
a power source operably connected to the first contact; and
a controller operably connected to the power source, the controller configured to start and stop current from the power source to the first contact.
10. The system of claim 5 wherein the solid state emitter and the electrostatic discharge device together form a single die.
11. The system of claim 5 wherein the electrostatic discharge device is connected in parallel with the solid state emitter.
12. A solid state transducer device, comprising:
a single support substrate;
a solid state emitter carried by the single support substrate; and
an electrostatic discharge device carried by the single support substrate, the electrostatic discharge device and the solid state emitter sharing a common first contact and a common second contact, neither the electrostatic discharge device nor the solid state emitter having another support substrate connected between the single support substrate and either the electrostatic device or the solid state emitter,
wherein the solid state emitter is positioned between the electrostatic discharge device and the substrate.
13. The device of claim 12 wherein the electrostatic discharge device comprises a diode connected between the first contact and the second contact.
14. The device of claim 12 wherein the single support substrate includes an epitaxial substrate on which the solid state emitter is epitaxially formed.
15. The device of claim 12 wherein the electrostatic discharge device is connected in parallel with the solid state emitter.
16. A solid state transducer device, comprising:
a single support substrate;
a solid state emitter carried by the single support substrate;
an electrostatic discharge device carried by the single support substrate, the electrostatic discharge device and the solid state emitter sharing a common first contact and a common second contact, neither the electrostatic discharge device nor the solid state emitter having another support substrate connected between the single support substrate and either the electrostatic device or the solid state emitter, wherein the electrostatic discharge device includes at least a portion of an epitaxial substrate; and
a via in the epitaxial substrate, wherein the first contact is connected to the solid state emitter with the via.