Solid-state radiation transducer devices having flip-chip mounted solid-state radiation transducers and associated systems and methods
Solid-state radiation transducer (SSRT) devices and methods of manufacturing and using SSRT devices are disclosed herein. One embodiment of the SSRT device includes a radiation transducer (e.g., a light-emitting diode) and a transmissive support assembly including a transmissive support member, such as a transmissive support member including a converter material. A lead can be positioned at a back side of the transmissive support member. The radiation transducer can be flip-chip mounted to the transmissive support assembly. For example, a solder connection can be present between a contact of the radiation transducer and the lead of the transmissive support assembly.
1. A method of making a solid-state radiation transducer device, the method comprising:
forming a transmissive support member, wherein forming the support member includes spin coating a precursor material onto a substrate, and wherein the precursor material includes a curable matrix material and particles of converter material disposed within the matrix material; and
flip-chip mounting a solid-state radiation transducer onto a transmissive support assembly including the support member such that an active side of the radiation transducer faces a back side of the support assembly, wherein the radiation transducer is configured to produce and/or receive an optical emission that passes through the active side of the radiation transducer, wherein the support member is configured to convey the optical emission, and wherein flip-chip mounting the radiation transducer onto the support assembly includes forming an electrical connection between the active side of the radiation transducer and the back side of the support assembly.
2. The method of claim 1 , further comprising disposing an optically-transparent underfill material between the radiation transducer and the support assembly.
3. The method of claim 1 , wherein forming the support member includes texturing a side of the support member.
4. The method of claim 1 , wherein forming the electrical connection includes forming a solder connection.
5. The method of claim 1 , wherein the radiation transducer is a light-emitting diode configured to produce the optical emission.
6. The method of claim 1 , wherein the radiation transducer is a photovoltaic cell configured to receive the optical emission.
7. A method of making a solid-state radiation transducer device, the method comprising:
forming a transmissive support member, wherein forming the support member includes molding a precursor material, and wherein the precursor material includes a curable matrix material and particles of converter material disposed within the matrix material; and
flip-chip mounting a solid-state radiation transducer onto a transmissive support assembly including the support member such that an active side of the radiation transducer faces a back side of the support assembly, wherein the radiation transducer is configured to produce and/or receive an optical emission that passes through the active side of the radiation transducer, wherein the support member is configured to convey the optical emission, and wherein flip-chip mounting the radiation transducer onto the support assembly includes forming an electrical connection between the active side of the radiation transducer and the back side of the support assembly.
8. The method of claim 7 , wherein molding the precursor material includes introducing the precursor material into a mold having a textured surface so that the support member includes a textured surface corresponding to the textured surface of the mold.
9. The method of claim 7 , wherein molding the precursor material includes introducing the precursor material into a mold having a concave surface so that the support member includes a convex surface corresponding to the concave surface of the mold.
10. The method of claim 7 , further comprising:
settling the particles of converter material within the matrix material; and
curing the matrix material after settling the particles of converter material.
11. The method of claim 7 , further comprising forming forming a lead at the back side of the support member, wherein forming the electrical connection includes forming the electrical connection between the active side of the radiation transducer and the lead.
12. The method of claim 7 , wherein forming the electrical connection includes forming a solder connection.
13. The method of claim 7 , wherein the radiation transducer is a light-emitting diode configured to produce the optical emission.
14. The method of claim 7 , wherein the radiation transducer is a photovoltaic cell configured to receive the optical emission.
15. The method of claim 7 , further comprising disposing an optically-transparent underfill material between the radiation transducer and the support assembly.
16. A method of making a light-emitting device, the method comprising:
forming a lead on a transmissive support member, the support member including a matrix material and particles of converter material disposed within the matrix material; and
forming a solder connection extending between the lead and a contact of a light-emitting diode.
17. The method of claim 16 , wherein:
forming the lead includes forming a patterned lead having a pad and a trace extending from the pad; and
forming the solder connection includes forming the solder connection between the pad and the contact.
18. The method of claim 16 , further comprising forming a solder mask on the lead.
19. The method of claim 16 , further comprising disposing an optically-transparent underfill material between the light-emitting diode and the support member.
20. The method of claim 16 , wherein forming the solder connection includes forming the solder connection such that the support member and the light-emitting diode are spaced apart on opposites sides of the solder connection.