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Paper Abstract and Keywords
Presentation 2008-03-03 13:25
Ultraviolet Light Emitting Organic Devices with high efficiency and short emission wavelength
Yuuki Mizuno, Shigeyuki Takeda, Akiyoshi Mikami (K.I.T.) EID2007-103 OME2007-85 Link to ES Tech. Rep. Archives: EID2007-103 OME2007-85
Abstract (in Japanese) (See Japanese page) 
(in English) We have investigated on an electrical and optical design of the low molecular type ultra-violet light emitting organic devices (UV-OLEDs) and their application to the organic white light source by employing lateral color conversion technique. The device consists of TAZ based light emitting layer and wide-gap carrier transporting layers such as CBP, BCP and B-phen. Optimized device showed a sharp UV-emission having a peak at 380nm with FWHM of 42nm and its threshold voltage for the emission is only 4.0V. The external quantum efficiency of the optimized device was estimated to be 3.0%, which approximately corresponded to 4.1% in the device without re-absorption of UV light in the other layers. Furthermore, we successfully observed pure white emission with the color coordinate of (0.34, 0.33) by the combination of UV-OLED and stacked three primary color conversion films.
Keyword (in Japanese) (See Japanese page) 
(in English) OLED / UV / CCM / TAZ / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 522, OME2007-85, pp. 5-8, March 2008.
Paper # OME2007-85 
Date of Issue 2008-02-25 (EID, OME) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Download PDF EID2007-103 OME2007-85 Link to ES Tech. Rep. Archives: EID2007-103 OME2007-85

Conference Information
Committee OME EID  
Conference Date 2008-03-03 - 2008-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Organic materials and devices for display, etc. 
Paper Information
Registration To OME 
Conference Code 2008-03-OME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Ultraviolet Light Emitting Organic Devices with high efficiency and short emission wavelength 
Sub Title (in English)  
Keyword(1) OLED  
Keyword(2) UV  
Keyword(3) CCM  
Keyword(4) TAZ  
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1st Author's Name Yuuki Mizuno  
1st Author's Affiliation Kanazawa Institute of Technology (K.I.T.)
2nd Author's Name Shigeyuki Takeda  
2nd Author's Affiliation Kanazawa Institute of Technology (K.I.T.)
3rd Author's Name Akiyoshi Mikami  
3rd Author's Affiliation Kanazawa Institute of Technology (K.I.T.)
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Speaker Author-1 
Date Time 2008-03-03 13:25:00 
Presentation Time 25 minutes 
Registration for OME 
Paper # EID2007-103, OME2007-85 
Volume (vol) vol.107 
Number (no) no.521(EID), no.522(OME) 
Page pp.5-8 
#Pages
Date of Issue 2008-02-25 (EID, OME) 


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