کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1265365 | 972216 | 2011 | 4 صفحه PDF | دانلود رایگان |

Very-high color rendering index (CRI > 90) is extremely crucial for lighting in surgery, photography and exhibition of museums etc. We demonstrate herein an efficient very-high CRI organic light-emitting diode with CRI of 98 with an efficacy of 8.3 lm/W at 100 cd/m2, or CRI of 96 with 5.2 lm/W at 1000 cd/m2. The very high CRI may be attributed to the successful deposition and emission of the two full-spectrum complementary white emissive layers, especially as a thin interlayer is inserted in between to regulate the injection of carriers. Without the interlayer, the resultant CRI drops to 73 and efficacy to 3.6 lm/W at 1000 cd/m2. The employment of the carrier regulating layer also helps disperse the injected carriers, leading recombination to occur in a wider area and hence a higher efficiency.
Figure optionsDownload as PowerPoint slideResearch highlights
► We demonstrate an efficient very-high CRY-OLED.
► The very high CRY-OLED is fabricated by integrating multi-white emission layers.
► The emission layers compose full-spectrum complimentary emitters.
► The emitting intensities of emitters are regulated by using hole-modulating layer.
► The resultant OLED has near 100 CRI at various brightness.
Journal: Organic Electronics - Volume 12, Issue 5, May 2011, Pages 865–868