A highly efficient organic light‐emitting diode with an imprinted in‐cell polarizer for backlight applications

Wonsuk Lee School of Electrical Engineering, Seoul National University, Kwanak P.O. Box 34, Seoul, 151–742, Korea

Wonsuk Choi School of Electrical Engineering, Seoul National University, Kwanak P.O. Box 34, Seoul, 151–742, Korea

Yong‐Woon Lim School of Electrical Engineering, Seoul National University, Kwanak P.O. Box 34, Seoul, 151–742, Korea

Yu‐Jin Na School of Electrical Engineering, Seoul National University, Kwanak P.O. Box 34, Seoul, 151–742, Korea

Sin‐Doo Lee School of Electrical Engineering, Seoul National University, Kwanak P.O. Box 34, Seoul, 151–742, Korea Phone: 82–2–880–1772 Fax: 82–2–880–1772 E-mail: [email protected]

Abstract

A highly efficient organic light‐emitting diode (OLED) with an in‐cell polarizer made of an imprinted liquid crystalline polymer (LCP) layer doped with dichroic dye molecules is presented. The in‐cell polarizer was found to be capable of effectively polarizing the emission light of the OLED and of significantly improving the luminance through the periodic microstructures fabricated using an imprinting method. This type of OLED with an imprinted in‐cell polarizer is useful for efficient light source applications in liquid crystal displays (LCDs).

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A highly efficient organic light‐emitting diode with an imprinted in‐cell polarizer for backlight applications

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A highly efficient organic light‐emitting diode with an imprinted in‐cell polarizer for backlight applications

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