Apparatus and method for in-situ measurement of polymer...

Details Apparatus and method for in-situ measurement of polymer... Apparatus and method for in-situ measurement of polymer...

2005-10-18

2005-10-18

Evans, F. L. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

C356S317000

Reexamination Certificate

active

06956645

ABSTRACT:
Apparatus and procedure for the in situ measurement of quantities of polymer printed onto supportsA source of radiation2sends electromagnetic radiation onto a droplet9, 10of polymer solution or polymer dispersion, which is printed onto a support4. A detector3measures the transmitted or re-emitted radiation. Controlled by a comparator device6and a control unit5, the printing parameters are corrected in situ, if necessary. In this manner, a controlled adjustment of the layer thickness of organic light-emitting diodes and therefore luminosity and color perception can be achieved.

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Pardo, D.A. et al., “Application of Screen Printing in the Fabrication of Organic Light-Emitting Devices”, Sep. 1, 2000, Advanced Materials, 12, No. 17, pp. 1249-1252.

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