LED Design & Manufacturing 

Sapphire, silicon-carbide, gallium-nitride (GaN) and silicon wafers to MOCVD tools for GaN epitaxial active-layer growth and back-end processing and packaging technologies deliver efficient LED emitters.

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LED design advancements drive quality of light gains and lumens per wafer achieved

Gallium nitride on gallium nitride (GaN-on-GaN) LED technology can deliver better light quality in terms of color rendering and accurate bright whites while also providing a lumen-per-wafer advantage over conventional LEDs.

Latest News & Articles

Cree invests in Lextar, plans to source mid-power LEDs from Taiwan manufacturer

Cree invests in Lextar, plans to source mid-power LEDs from Taiwan manufacturer

Cree and Lextar become partners, with the Taiwan firm supplying future Cree demand for mid-power LEDs while Cree will assume 13% ownership of Lextar.

SemiLEDs adds flip-chip blue LEDs, and uses die in white CSP (UPDATED)

SemiLEDs adds flip-chip blue LEDs, and uses die in white CSP (UPDATED)

Following a trend that emerged at Strategies in Light, SemiLEDs has joined the list of companies to offer flip-chip LEDs in minimal packages for integration into lamps or luminaires, or larger LED packages.

DOE publishes 2014 LED and OLED manufacturing roadmap

DOE publishes 2014 LED and OLED manufacturing roadmap

LED cost is dominated by the packaging steps at the back end of the manufacturing process while the entire OLED process is still expensive and inefficient with both technologies requiring significantly more R&D.

LED business news: Echelon and Lumewave; Cree financials; Lextar and Osram

LED business news: Echelon and Lumewave; Cree financials; Lextar and Osram

Echelon has expanded its presence into wireless lighting controls with the acquisition of Lumewave, while Cree announces quarterly results, Lextar plans a capacity expansion, and Osram acquires Clay Paky.

Patterned substrates enhance LED light extraction

Patterned substrates enhance LED light extraction (MAGAZINE)

Donggeun Ko, Jacob Yoon, and Jangho Seo describe how patterned wafers can help increase LED light extraction by reducing defect density and total internal reflection losses.

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