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Conference Paper
Efficient Color Tunable Light Sources by The Combination of a Transparent and a Non-Transparent Organic Light Emitting Diodes
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- Authors
- Jeong-Ik Lee, Chul Woong Joo, Jin Woo Huh, Jun-Han Han, Jaehyun Moon, Joohyun Hwang, Nam Sung Cho, Jin-Wook Shin, Doo-Hee Cho, Seung Koo Park, Hye Yong Chu
- Issue Date
- 2012-06
- Citation
- Society for Information Display (SID) International Symposium 2012, v.43, no.1, pp.531-533
- ISSN
- 0097-966X
- Language
- English
- Type
- Conference Paper
- Abstract
- We have fabricated color tunable light sources by combining a transparent and a non-transparent organic light emitting diodes (OLEDs). This type of color tunable OLED has efficiency losses due to the absorption of a transparent OLED. To minimize the efficiency losses, we have come up with an innovative transparent OLED, which has high transmittance for the light from a non-transparent OLED and also high bottom to top emission intensity ratio for the light from a transparent OLED. Therefore, the lights from a non-transparent and a transparent OLEDs could be maximized simultaneously, which resulted in efficient color tunable light sources.
- KSP Keywords
- Color tunable, High transmittance, Intensity ratio, Light source, Top emission, emission intensity, light emitting diodes(LED), organic light emitting diode(OLED), tunable light