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Proceedings Paper

Laser thermal patterning of OLED materials
Author(s): Martin B. Wolk; John P. Baetzold; Erika Bellmann; Thomas R. Hoffend Jr.; Sergey Lamansky; Yingbo Li; Ralph R. Roberts; Vadim Savvateev; John S. Staral; William A. Tolbert
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Paper Abstract

Laser Induced Thermal Imaging (LITI) is a high resolution, digital patterning technique developed at 3M for use in a number of applications including the patterning of LCD color filters and OLED emitters. The LITI process is suited for the manufacture of flat panel displays, where both high resolution and absolute placement accuracy are required. In this paper, we present the capabilities of LITI, the basic design of a LITI laser imager, the construction of a LITI donor sheet, and the process by which OLED emitters may be patterned. An OLED device fabricated with the LITI process is described.

Paper Details

Date Published: 10 November 2004
PDF: 12 pages
Proc. SPIE 5519, Organic Light-Emitting Materials and Devices VIII, (10 November 2004); doi: 10.1117/12.563872
Show Author Affiliations
Martin B. Wolk, 3M Co. (United States)
John P. Baetzold, 3M Co. (United States)
Erika Bellmann, 3M Co. (United States)
Thomas R. Hoffend Jr., 3M Co. (United States)
Sergey Lamansky, 3M Co. (United States)
Yingbo Li, 3M Co. (United States)
Ralph R. Roberts, 3M Co. (United States)
Vadim Savvateev, 3M Co. (United States)
John S. Staral, 3M Co. (United States)
William A. Tolbert, 3M Co. (United States)

Published in SPIE Proceedings Vol. 5519:
Organic Light-Emitting Materials and Devices VIII
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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