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Illumination & Displays
Bright full-visible-spectrum LEDs
Using native substrates for gallium nitride LEDs offers unique performance advantages.
Rapid control of liquid crystals for ultrafast communications
Nanosecond electric modification of the nematic order parameter can switch the optical properties of nematic liquid crystals with a nanosecond response time.
17 March 2015
Screen-free display formed using retro-reflector
An aerial display on which signage pops up has been realized using retro-reflective sheeting, an LED panel, and a half mirror.
27 February 2015
An LED with 250% peak quantum efficiency
Inserting tunnel junctions into the multi-quantum-well active region of LEDs based on gallium nitride enables carrier recycling and high-power quantum efficiencies well above 100%.
24 February 2015
Exploring packaging efficiency in phosphor-converted white LEDs
Modeling and analyzing power losses at the packaging level enables improved efficiencies for various types of white LED.
4 February 2015
Improving a time-sequential autostereoscopic 3D display
Vertical line dithering reduces flicker in time-sequential autostereoscopic 3D displays and also extends the number of viewpoints.
2 January 2015
More Technical Articles...
OFC 2015: new products chase booming bandwidth
optics.org gives a taste of some of the hundreds of announcements to emerge this week.
26 March 2015
OFC 2015: Infinera launches photonic ICs to support Cloud, Transport layers
Scale and virtualization are driving technological change in optical network architectures.
25 March 2015
Sol Voltaics pushes GaAs for tandem PV
Swedish company doubles conversion efficiency of its small-scale nanowire array cells; commercialization of films slated for 2017.
19 March 2015
European project into quantum dot R&D seeks PhDs
Growing interest in QD-based technologies and recent commercialization prompts training recruitment drive.
18 March 2015
More Business News...
Shuji Nakamura plenary presentation: Future and present technologies of solid state lighting
Steven Chu: Energy and Climate Change -- Challenges and Opportunities
Bernard Kress: Optical toolkit enables wearable displays
Path to Better OLEDs, Organic Solar Cells Found
A New Frontier in Disease Prevention: Lightbulbs
Light Emitting Fibers for Crazy Clothes
New Report Says Display Challenges Have Cut Apple Watch Shipments in Half
Google Glass headset isn't dead, says Eric Schmidt
More News Headlines...
Industry’s ‘kick-off’ event keeps growing, as SPIE Photonics West marks another big year
Winners named for 2015 Prism Awards for Photonics Innovation
Kristina M. Johnson inducted into Inventors Hall of Fame
More SPIE News & Press Releases...
More Product Updates...