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Lee, J.K., Cho, S. and Kang, D.W. (2016) Analysis of Light Leakage between the Adjacent Pixels in a Color-Filter Stacked White OLED Display. Displays, 45, 6-13.
https://doi.org/10.1016/j.displa.2016.09.001

has been cited by the following article:

• TITLE: Black Photoresist for Patterning Pixel Define Layer of Organic Light Emitting Diode with Polyimide as Thermal Stabilizer

  AUTHORS: Genggongwo Shi, Jin Woo Park, Lee Soon Park

  KEYWORDS: Organic Light Emitting Diode, Pixel Define Layer, Black Pixel Define Layer, Photolithography

  JOURNAL NAME: Materials Sciences and Applications, Vol.9 No.6, May 31, 2018

  ABSTRACT: In order to improve the visibility for outside use of organic light emitting diodes (OLEDs), the polarized film and black matrix pattern have been used in the small and medium sized OLEDs; however, these cause problem of reducing the emission efficiency of OLED. Changing the color of pixel define layer (PDL) from brown to black is an important point for improving the efficiency and visibility of OLEDs. In this work we studied the photoresist material containing black pigment and the photolithographic process for patterning of black PDL on OLEDs. The black PDL patterns made with our synthesized polyimides as thermal stabilizer were found to give high thermal stability over 300°C.