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LOMID - Large cost-effective OLED microdisplays and their applications

LOMID - Large cost-effective OLED microdisplays and their applications

Objective

The LOMID project will define pathways to the manufacture of flexible OLED microdisplays with an exceptionally large area (16 mm x 20 mm, screen diagonal of 25.4 mm) at acceptably high yields (>65%).

This will be achieved by developing a robust silicon-based chip design allowing high pixel counts (1024x1280 (SXGA)) and high spatial resolution(pixel sizes of 10 µm x 10 µm corresponding to 2000 ppi). These display innovations will be coupled to a highly reliable manufacturing of the backplane. Cheap processes (e.g. based on 0.35 µm lithography) will be developed and special attention will be given to the interface between the top metal electrode of the CMOS backplane and the subsequent OLED layers. All these developments will be done on a 200 mm wafer scale. Along with this, a new testing procedure for quality control of the CMOS wafer (prior to OLED deposition) will be developed and promoted for standardisation.

The flexibility of the large area microdisplays will be achieved by wafer thinning to enable a bending radius of 45 mm. Along with the new functionality, the durability of the devices has to be guaranteed despite bending to be comparable to rigid devices. The project will address this by improving the OLED efficiency (e.g. operating lifetime > 15,000 hours) and by modifying the device encapsulation to both fulfil the necessary barrier requirements (WVTR < 10^-6 g/d m2) and to give sufficient mechanical protection.
The demand for and timeliness of these flexible, large area microdisplays is shown by the strong interest of industrial integrators to demonstrate the benefits of the innovative OLED microdisplays. Within the project, industrial integrators will validate the project’s microdisplays in smart glasses for virtual reality and to aid those with impaired vision.
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Coordinator

FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

Address

Hansastrasse 27c
80686 Munchen

Germany

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 938 963,75

Participants (8)

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LIMBAK 4PI SL

Spain

EU Contribution

€ 357 125

THE CHANCELLOR, MASTERS AND SCHOLARS OF THE UNIVERSITY OF OXFORD

United Kingdom

EU Contribution

€ 173 933,75

UNIVERSITAET LEIPZIG

Germany

EU Contribution

€ 146 250

X-FAB Dresden GmbH & Co. KG

Germany

EU Contribution

€ 739 791,75

MICROOLED SARL

France

EU Contribution

€ 824 062,50

COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

France

EU Contribution

€ 813 326,25

AMANUENSIS GMBH

Switzerland

SLYDE WATCH

Switzerland

Project information

Grant agreement ID: 644101

  • Start date

    1 January 2015

  • End date

    30 June 2018

Funded under:

H2020-EU.2.1.1.1.

  • Overall budget:

    € 4 100 673,88

  • EU contribution

    € 3 993 453

Coordinated by:

FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

Germany