发明名称 |
TRANSPARENT OLED LIGHT EXTRACTION |
摘要 |
The present disclosure provides novel light emitting devices including AMOLED displays, based on transparent OLED architecture, where a laminated nanostructured light extraction film can produce axial and integrated optical gains as well as improved angular luminance and color. Generally, the transparent AMOLED displays with laminated sub-micron extractors include: (a) an extractor on a transparent substrate for light outcoupling on both sides of the transparent device; or (b) an extractor on a reflective film for providing light outcoupling off the bottom side of the bottom-emitting (BE) AMOLED; or (c) an extractor on a light absorbing film for providing outcoupling off the bottom side of the BE AMOLED combined with improved ambient contrast. |
申请公布号 |
US2017110690(A1) |
申请公布日期 |
2017.04.20 |
申请号 |
US201615393968 |
申请日期 |
2016.12.29 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
Lamansky Sergey;Arefe Ghidewon;Behrman Keith L.;McMan Steven J.;Anim-addo Jonathan A.;Tolbert William A. |
分类号 |
H01L51/52 |
主分类号 |
H01L51/52 |
代理机构 |
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代理人 |
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主权项 |
1. A light emitting device, comprising:
an organic light emitting diode (OLED) device having a top electrode and an opposing bottom electrode disposed on a backplane, wherein each of the top electrode, the opposing bottom electrode and the backplane are substantially transparent to light emitted by the OLED device; a capping layer disposed immediately adjacent the top electrode; and a light extraction film disposed adjacent the capping layer, wherein the light extraction film comprises a substrate, a layer of nanostructures applied to the substrate, and a backfill layer disposed over the nanostructures and adjacent the capping layer, the backfill layer having an index of refraction greater than the index of refraction of the nanostructures. |
地址 |
St. Paul MN US |