Collimated Light Source Using Patterned Organic Light-Emitting Diodes and Microlens

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概要

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• We developed for the first time a collimated organic light-emitting diode (OLED) light source using a patterned OLED and a microlens. The structure of the collimated OLED light source was designed by conventional ray-tracking simulation. We demonstrated that the collimated OLED light source enhanced the luminance of a liquid crystal display (LCD) with a low aperture ratio by a factor of more than two compared with a conventional OLED light source, which was not patterned. The collimated OLED light source with the patterned OLED and microlens is thus very effective for achieving a highly efficient LCD with OLED backlight.

• 2010-04-25

著者

• Katsusuke Shimazaki

  Optical Components Development Center, R&D Division, Hitachi Maxell, Ltd., Tsukubamirai, Ibaraki 300-2496, Japan

• Tatsuya Sugita

  Materials Research Laboratory, Hitachi, Ltd., Hitachi, Ibaraki 319-1292, Japan

• Sukekazu Aratani

  Materials Research Laboratory, Hitachi, Ltd., Hitachi, Ibaraki 319-1292, Japan

• Toshinari Shibasaki

  Optical Components Development Center, R&D Division, Hitachi Maxell, Ltd., Tsukubamirai, Ibaraki 300-2496, Japan

• Aratani Sukekazu

  Materials Research Laboratory, Hitachi, Ltd., Hitachi, Ibaraki 319-1292, Japan

• Adachi Masaya

  Materials Research Laboratory, Hitachi, Ltd., Hitachi, Ibaraki 319-1292, Japan

• Shimizu Masao

  Materials Research Laboratory, Hitachi, Ltd., Hitachi, Ibaraki 319-1292, Japan

• Adachi Masaya

  Materials Research Laboratory, Hitachi, Ltd., 7-1-1 Omika, Hitachi, Ibaraki 319-1292, Japan

• Masaya Adachi

  Materials Research Laboratory, Hitachi, Ltd., Hitachi, Ibaraki 319-1292, Japan

• Masao Shimizu

  Materials Research Laboratory, Hitachi, Ltd., Hitachi, Ibaraki 319-1292, Japan

関連論文

• Collimated Light Source Using Patterned Organic Light-Emitting Diodes and Microlens
• Controllable-Viewing-Angle Display Using a Hybrid Aligned Nematic Liquid-Crystal Cell

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