Fig. 1 (a) Schematic of the NUV laser-based white light communication system with RGB phosphors for color conversion, a diffuser to improve the uniformity of the phosphor emission, transmitter (Tx) and receiver (Rx) lenses to collimate the light, and a 1 GHz avalanche photodetector (APD) to collect the transmitted light. (b) Photograph of the setup.
July 12, 2017
Gigabit-per-second white light-based visible light communication using near-ultraviolet laser diode and red-, green-, and blue-emitting phosphors
Professor Shuji Nakamura addresses National Renewable Energy Laboratory (NREL) employees.
July 12, 2017

National Renewable Energy Laboratory (NREL) employees fill the facility’s café on July 5 to hear a distinguished from Shuji Nakamura, who was part of the team that won the Nobel Prize in Physics in 2014 for the invention of efficient blue light-emitting diodes (LEDs).

June 19, 2017

The 2017 Graduate Division commencement ceremony was held Sunday, June 18 at 4:00 p.m., on the Faculty Club Green.
May 19, 2017

Prof. Shuji Nakamura, a Nobel Prize winner for the invention of blue LEDs, is a new Doctor Honoris Causa of the University of Warsaw, Poland. 

May 02, 2017

UC Santa Barbara engineering professor Larry Coldren has received the 2017 Nick Holonyak, Jr. Award from the Optical Society of America (OSA) in recognition of his “major contributions to photonic integrated circuits.”

Professor Nakamura Shuji, 2014 Nobel Laureate in Physics, shares his views on the trend and potential of the robotic technology business in the hotel industry.
April 27, 2017

With labor cost of hotel operations increasing, there is a pressing need for the development of intelligent hotel technology that is cost effective, highly efficient and can assure the high quality of hotel services. At the event, Professor Shuji Nakamura said, combination of AI, robots and human abilities will be a future trend.

Phosphors are detrimental to the modulation bandwidths of white lighting systems based on LEDs and laser diodes.
April 03, 2017
22nd February 2017 A record-breaking bandwidth makes the violet semi-polar laser well suited for visible light communication 
March 30, 2017
Thursday, March 30, 2017
March 23, 2017

3/22:50 Years of Nitride Optoelectronics (LEDs and Laser Diodes) (一)
3/23:Latest and Future Prospects of Nitride Optoelectronics (LEDs and Laser Diodes) (二)

Honorable mention: “Symmetry in Chaos” These pipes carry gas into a high temperature chamber, where it will transition into a solid and form a single crystal.  Photo Credit: HUMBERTO FORONDA
March 23, 2017

The Aesthetics of Scientific Discovery

Art of Science winners share the beauty of science through imagery describing some aspect of their research

Laser lighting is currently being used in cars, but the technology is not cheap, something that is set to hold back the product's commercialisation.
March 03, 2017

Nakamura named Li-Fi and laser lighting as two crucial areas the LED industry needs to concentrate on in order to further their businesses successfully. 

The cover photo of John Bowers was shot by Nik Blaskovich and the cover was designed by Graphic Designer Cory Pironti.
February 24, 2017

2017 Central Coast Innovation Awards

February 16, 2017

The father of LED lighting, Shuji Nakamura, who won the 2014 Nobel Prize in physics for inventing the energy-efficient blue LED, set the tone by focusing on SSL's cutting edge, wowing the crowd with his discussion of such innovations as tunnel-junction blue/green LEDs, violet LEDs, microLEDs, patterned sapphire substrates, high-power semipolar laser diodes (LDs), and Li-fi using LEDs and LDs. 

Shuji Nakamura, winner of 2014 Nobel Prize in Physics, delivers a speech in Taipei.  Photo: Siu Han, Digitimes, February 2017
February 14, 2017
Siu Han, Taipei; Adam Hwang, DIGITIMES [Tuesday 14 February 2017]

Li-Fi (light fidelity) based on LED or laser has much higher data transfer speeds than Wi-Fi, 2014 Nobel Prize in Physics recipient Shuji Nakamura said in a keynote speech in Taipei recently.

Photo with Jim Brodrick, DOE Solid-State Lighting Technology Manager
February 06, 2017


We are delighted to announce that Clayton Cozzan is a student poster winner for the 2017 Department of Energy Solid State Lighting Research and Development Workshop for his poster titled "Phosphor Geometries and Luminaires for Laser-driven White Lighting Applications." Clayton researches phosphors for solid-state white lighting in the Materials Department for Ram Seshadri, with support from the Solid State Lighting & Energy Electronics Center and the Advanced Research Projects Agency-Energy.


February 06, 2017

3 February 2017

Semiconductor Today

January 18, 2017

Laser Focus World, 12/16/2016

January 11, 2017
Topic: The Invention of High Efficient Blue LEDs and Future Solid State Lighting (Abstract)

Lecture (A)