成果報告書詳細
管理番号20160000000669
タイトル*平成27年度中間年報 次世代材料評価基盤技術開発 研究開発項目(1)有機EL材料の評価基盤技術開発
公開日2016/9/15
報告書年度2015 - 2015
委託先名次世代化学材料評価技術研究組合
プロジェクト番号P10029
部署名材料・ナノテクノロジー部
和文要約
英文要約Title : Development of basic evaluation technologies for future generation materials / R&D items [1] Development of basic evaluation technologies for OLED materials

 The basic evaluation technologies of glass substrate-based OLED cells and film substrate-based OLED cells were developed by considering each of those shapes. The lifetime prediction method was applied to multi-photon emission type white OLED panels whose emission areas were larger than 30×30mm.
 In the development of R2R processed OLED devices, solve a problem until last year and succeeded in manufacture of 80×80mm-size cells. Moreover, we developed mechanical stress test of film substrate-based OLED panel.
 For non-destructive degradation analysis in organic light emitting diodes, TSC measurement under various condition of trapping or collecting voltages were examined.
 In the development of device analysis for basic characteristics, Raman spectroscopy using amine compound signals revealed the possibilities of temperature measurement of organic layers.
 Furthermore Raman spectroscopy clarified surface accumulation charge behaviors relating Alq3 film thickness and device degradation level.
 In water vapor transmission rate (WVTR) evaluation technique, we developed reference films that can be used to calibrate WVTR measurement systems. The lowest WVTR of the film was 3×10e-6 g/m2/day. Furthermore, a new technique involving the creation of multiple artificial pinholes was used to evaluate these films and confirmed the reliability of the WVTR measurements.
 A reliable evaluation method applicable to flexible OLEDs is developed to quantify water penetration through the layered structure containing organic layers, electrodes and adhesive, from an adhesive edge.
 In the evaluation technical development of physiological and psychological effect of lightings environment, we have started to experiment of the sensibility under the OLED lightings environment at 4 evaluation bases. And we have started to consider the correlation between optical characteristic of the OLED lightings and materials of the OLED.
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