:קפיצה קוונטית מהמעבדה להייטק ננוגבישים מוליכים למחצה לתאורה ולמסכים

יום חדשנות טכנולוגית בתחום החומרים המתקדמים

אורי בנין

המכון לכימיה והמרכז לננומדע ולננוטכנולוגיה

Nanocrystal Science and Technology

Tunable colors through

size, composition &

shape control

Bulk

band

gap

30 nm

Synthesis – scalable manufacturing

• Cost effective scalable wet chemical

synthesis applicable to different

Semiconductors

• Chemically processable through

surface providing flexible

manipulations in solutions, plastic

films, electrodes

Qlight Nanotech – Overview

• A Hebrew University spin-off company founded in 2009

• Based on inventions from professor Uri Banin lab

• Strategic cooperation with Merck KGaA, fully owned by Merck

since summer 2015

• Labs located in Jerusalem, Israel (in the Safra Campus)

• Team of highly qualified scientists

Qlight develops innovative nanocrystal enabled products

for flat panel displays and solid state lighting markets

The story of Qlight Nanotech:

From Bright Idea to Successful Company

• 2001 – Professor Uri Banin research on Nanorods

• 2008 – Nofar project of OCS on Nanorods switchable display

• 2009 – Qlight established as a company on campus

• 2012 – First equity investment by Merck

• 2013 – Second equity investment by Merck

• 2014 – Blue-Chip JDA partners

• 2015 – Qlight acquired by Merck

Qlight Nanotech – Nanotechnology Company of the Year 2014

Award presented by Chief Scientist of Israel, Ministry of Economy

A World of Displays…

Indoor

Mobile

Outdoor

Liquid Crystal Display schematic

Liquid crystal display (LCD) operation principle

Challenges:

• Better colors

• Low energy consumption & long battery life

ABEF: Active Brightness Enhancement Film;

The ABEF converts blue LED light into RGB light.

Illustration of ABEF film: quantum rods

are excited by blue LEDs to give R-G-B light

ABEF:

Outstanding Display Colors – OLED like colors with LCD

• Highly saturated Red, Green and Blue

colors are obtained due to the narrow

emission bands.

• Color gamut increases significantly.

Gamut can be tuned to cover NTSC, sRGB

and beyond.

• Energy saving

Regular display With ABEF

50mm

Optical Switching in single nanorods

under electric field

Ele

ctr

ic F

ield

0

-175

-350

-175

2.00 2.02 2.04 2.06Energy (eV)Switching

Eli Rothenberg, Miri Kazes, Ehud Shaviv, Uri Banin, “Electric field induced

switching of the fluorescence of single semiconductor quantum rods“, Nano

Letters 5, 1581 (2005).

Displays, back lights,LEDs

Solar energy and environmental:

Photocatalysis

Biomedical apps: passive and

active functions

“Printed electronics”: Nanocrystal

transistors, sensors

SiSiO2

Thank you!

13

My Research group

Qlight Nanotech team

Nanocenter team

Yissum team

Merck partners

Office of the Chief Scientist