- 专利标题： Top emitting OLED device for improving viewing angle characteristics
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申请号： US16698990申请日： 2019-11-28
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公开(公告)号： US11322548B2公开(公告)日： 2022-05-03
- 发明人: Weiwei Li , Song Liu , Lin He
- 申请人： KUNSHAN NEW FLAT PANEL DISPLAY TECHNOLOGY CENTER CO., LTD. , BEIJING VISIONOX TECHNOLOGY CO., LTD.
- 申请人地址： CN Kunshan; CN Beijing
- 专利权人： KUNSHAN NEW FLAT PANEL DISPLAY TECHNOLOGY CENTER CO., LTD.,BEIJING VISIONOX TECHNOLOGY CO., LTD.
- 当前专利权人： KUNSHAN NEW FLAT PANEL DISPLAY TECHNOLOGY CENTER CO., LTD.,BEIJING VISIONOX TECHNOLOGY CO., LTD.
- 当前专利权人地址： CN Kunshan; CN Beijing
- 代理机构： Kilpatrick Townsend & Stockton LLP
- 优先权： CN201310747785.4 20131231,CN201310752797.6 20131231
- 主分类号： H01L27/32
- IPC分类号： H01L27/32 ; H01L51/50 ; H01L51/52 ; H01L51/00
摘要：
A top emitting OLED device for improving viewing angle characteristics, comprising a substrate, a first electrode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, a second electrode and a light output coupling layer sequentially stacked on the substrate, wherein the second electrode has a light transmittance no less than 25%, and the hole injection layer has a refractive index no less than 1.8.
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