Crystal Is, Inc.

Craig Moe

Leo J Schowalter

James R Grandusky

Shawn Robert Gibb

Kosuke Sato

Tomohiro Morishita

Jianfeng Chen

Rajul Randive

Satoshi Yamada

Ken Kitamura

Masato Toita

Amy Wilson Miller

Shawn R Gibb

In various embodiments, degradation of epoxy within packages for ultraviolet light-emitting devices is reduced or substantially eliminated via package venting, prevention of transmission of ultraviolet light to one or more regions of epoxy utilized in the package, and/or utilization of packaging schemes that reduce or avoid utilization of epoxy and/or specific metals.

Methods and packages for enhancing reliability of ultraviolet light-emitting devices

In various embodiments, extraction efficiency of light-emitting devices fabricated on aluminum nitride substrates is enhanced via removal of at least a portion of the substrate.

Aluminum nitride substrate removal for ultraviolet light-emitting devices

In various embodiments, light-emitting devices incorporate graded layers with compositional offsets at one or both end points of the graded layer to promote formation of two-dimensional carrier gases and polarization doping, thereby enhancing device performance.

Ultraviolet light-emitting devices incorporating graded layers and compositional offsets

In various embodiments, a fluid is treated by flowing the fluid through a flow cell having (i) a fluid entry, (ii) a fluid exit, (iii) a treatment region disposed between the fluid entry and exit, and (iv) an interior surface reflective to ultraviolet (UV) light, and diffusively reflecting UV light emitted from one or more UV light sources to illuminate the treatment region substantially uniformly, thereby treating the fluid.

Systems and methods for fluid treatment with homogeneous distribution of ultraviolet light

Ultraviolet light-emitting devices incorporating two-dimensional hole gases

Growing community of inventors

Latham, NY, United States of America

Craig Moe