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Organic Light-Emitting Diode with Color Tunable between Bluish-White Daylight and Orange-White Dusk Hue
المؤلفون المشاركون
Jou, Jwo-Huei
Liao, Shih-Yun
Kumar, Sudhir
Yu, Hui-Huan
An, Chih-Chia
Wang, Ya-Chi
Lin, Jhong-Wei
Wang, Yung-Lee
Liu, Yung-Chun
Wu, Chun-Long
المصدر
International Journal of Photoenergy
العدد
المجلد 2014، العدد 2014 (31 ديسمبر/كانون الأول 2014)، ص ص. 1-6، 6ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2014-06-05
دولة النشر
مصر
عدد الصفحات
6
التخصصات الرئيسية
الملخص EN
The varying color of sunlight diurnally exhibits an important effect on circadian rhythm of living organisms.
The bluish-white daylight that is suitable for work shows a color temperature as high as 9,000 K, while the homey orange-white dusk hue is as low as 2,000 K.
We demonstrate in this report the feasibility of using organic light-emitting diode (OLED) technology to fabricate sunlight-style illumination with a very wide color temperature range.
The color temperature can be tuned from 2,300 K to 9,300 K, for example, by changing the applied voltage from 3 to 11 V for the device composing red and yellow emitters in the first emissive layer and blue emitter in the second.
Unlike the prior arts, the color-temperature span can be made much wider without any additional carrier modulation layer, which should enable a more cost effective fabrication.
For example, the color-temperature span is 7,000 K for the above case, while it is 1,700 K upon the incorporation of a nanoscale hole modulation layer in between the two emissive layers.
The reason why the present device can effectively regulate the shifting of recombination zone is because the first emissive layer itself possesses an effective hole modulation barrier of 0.2 eV.
This also explains why the incorporation of an extra hole modulation layer with a 0.7 eV barrier did not help extend the desirable color-temperature span since excessive holes may be blocked.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Liao, Shih-Yun& Kumar, Sudhir& Yu, Hui-Huan& An, Chih-Chia& Wang, Ya-Chi& Lin, Jhong-Wei…[et al.]. 2014. Organic Light-Emitting Diode with Color Tunable between Bluish-White Daylight and Orange-White Dusk Hue. International Journal of Photoenergy،Vol. 2014, no. 2014, pp.1-6.
https://search.emarefa.net/detail/BIM-1036970
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Liao, Shih-Yun…[et al.]. Organic Light-Emitting Diode with Color Tunable between Bluish-White Daylight and Orange-White Dusk Hue. International Journal of Photoenergy No. 2014 (2014), pp.1-6.
https://search.emarefa.net/detail/BIM-1036970
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Liao, Shih-Yun& Kumar, Sudhir& Yu, Hui-Huan& An, Chih-Chia& Wang, Ya-Chi& Lin, Jhong-Wei…[et al.]. Organic Light-Emitting Diode with Color Tunable between Bluish-White Daylight and Orange-White Dusk Hue. International Journal of Photoenergy. 2014. Vol. 2014, no. 2014, pp.1-6.
https://search.emarefa.net/detail/BIM-1036970
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1036970
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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