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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 8
BKCSDE 35(8)
August 20, 2014

Title	Synthesis of Novel Hemicyanine Dyes for Color Compensating Film in Plasma Display Panels
Author	Bo Hyung Kim, Se Woong Park,, Donghyun Lee, Il Keun Kwon, Jae Pil Kim
Keywords	Cyanine dye, Hemicyanine dye, Synthesis, Color compensating film, Plasma display panel
Abstract	Five novel cyanine dyes containing julolidine and indole moieties were synthesized. Several color compensating films for plasma display panels (PDP) were prepared using these dyes. The spectroscopic and physicochemical properties of the synthesized dyes in both solution and film state were evaluated. For each color compensating film, the optimum ratio of dye to binder was determined on the basis of transmittance, half band width, and photo-stability of the color compensating film. The five synthesized dyes showed sharp absorption peaks near 590 nm (orange light) and had molar extinction coefficients above 1 × 105 M−1cm−1. The melting point of the dyes was above 200 oC and photo-stability of the color compensating films was improved by introducing substituents at the 5th position on the indole derivatives.
Page	2453 - 2459
Full Text	PDF

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