1. OLEDs : a new lighting technology
Vincenzo Maiorano

2. High efficiency Flexibility and large area
Low cost of manufacturing
High CRI
OLEDs main features

3. OLEDs main features
Typical bottom emission structure
1. Transparent anode on glass substrates
2. HIL: Hole Injection Layer
3. HTL: Hole Transport Layer
4. EL: Emitting Layer
5. ETL: Electron Transport Layer
6. EIL: Electron Injection Layer
7. Reflective cathode
Energy
gap
LUMO
HOMO
Active material energy levels
Different
colours

4. OLEDs for display applications
CES 2013
CES 2012
CES 2013
55 inch flat….
…55 inch curved
flexible display

5. Approaching fluorescent tube
efficiency….
…….potentially it could be
doubled (up to 150-200lm/W)
with better CRI and higher
versatility
WOLEDs for lighting application
Philips lighting

6. OLED technology roadmap
TECHNOLOGY TRANSFER: a success story

7. 1 10 100 1000
5000
6000
7000
8000
9000
10000
11000
12000
1 10 100 1000
3,30
3,32
3,34
3,36
3,38
3,40
3,42
3,44
3,46
3,48
3,50
Voltage(V)
Time (h)
Luminance(Cd/m
2
)
Time (h)
OLED for automotive applications
TECHNOLOGY TRANSFER: a success story
NNL LAB
Astron FIAMM
safety
Blackbody – OLED
Lighting

8. K.J.Lesker cluster tool – NNL Lab
OLEDs: deposition tool

9. Cavity OLEDs: high CRI and efficiency
NNL Lab

10. 1) Organic light emitting field effect transistor based on ambipolar p-i-n layered structure – V.Maiorano et al. , A.Bramanti,
S.Carallo, R.Cingolani and G.Gigli, Appl. Phys. Lett., 96, 133305 (31/03/2010) -collaboration with ST
2) Transistor a effetto di campo a base di molecole organiche emettitore di luce – V.Maiorano, G.Gigli – Italian patent N° IT
RM20100107 (A1) (13/09/2011)
3) Organic light emitting field effect transistor – V.Maiorano, G.Gigli – International Patent WO 2011110664 (A1) (15/09/2011)
4) Organic light emitting field effect transistor – V.Maiorano, G.Gigli – European Patent N°11707864.2 (26-10-2012 )to be approved
Main features of the new concept trylayer doped
heterostructure
1) Large emission area along the whole transistor channel
2) Light emission controlled by doping concentration
3) High output current at relative low driving voltages
4) Suitable voltage gain for their integration in planar complex
device (AM display - boolean circuits)
Organic light-emitting field effect transistors (OLEFET)
with doped transport layers

11. Molecular NAnotechnology for HeAlth and
EnvironmenT
(MAAT)

12. 1) low-cost Lab-on-Chips (LOCs), integrated with OLED sources of
illumination in a unique device (STMicroelectronics)
2) semitransparent smart panels showing colour modulation, in which
energy production (Solar Cells - DSSC), lighting (OLEDs) and solar
control/sun screening (photovoltacromics - PEECs) are combined (TOZZI
TRE)
Project Objectives

13. Università del Salento - Dipartimento di Matematica e Fisica
Scientific Coordinator: prof. Giuseppe Gigli
CNR –Consiglio Nazionale delle Ricerche
Scientific Coordinator: dott.Vincenzo Maiorano
Istituto Italiano di Tecnologia (IIT-CBN) - Sede di Lecce
Scientific Coordinator: ing. Michele Manca
Distretto High Tech Pugliese - DHITECH
Administrative Coordinator: dott.ssa Tiziana Valerio
Università di Bari - Dipartimento di Chimica
Scientific Coordinator: prof. Gianluca Farinola
Politecnico di Bari
Scientific Coordinator: prof. Giampaolo Suranna
ST Microelectronics
Scientific Coordinator: ing. Alessandro Paolo Bramanti
Tozzi Renewable Energy
Scientific Coordinator: dott. Francesco Matteucci
Project Partners

14. OR 1:
Dispositivi
OLEDs
CNR NANO
CNR IMM)
CNR INO)
OR 2:
Celle DSSC
CNR NANO
CNR IMM
CNR IPCF
OR 3:
PECCs
CNR NANO
CNR IPCF
OR 4:
Smart
panels
CNR NANO
OR 5:
OLED based
Lab-on-Chip
CNR NANO
OR 6:
Costruzione
dei Living
Labs
……….
CNR in MAAT