Organoelectroluminescent element, and light emission device, display device, and illumination device in which said organoelectroluminescent element is used
地域：
Kanagawa
摘要
An organoelectroluminescent element which can satisfy both a high external quantum efficiency and high power efficiency at the same time, which has on a substrate an anode, a first intermediate organic layer composed of at least one organic layer, a light-emitting layer, a second intermediate organic layer composed of at least one organic layer, and a cathode in this order, and in which light is extracted from the aforementioned anode side, wherein the aforementioned light-emitting layer contains a light-emitting material that is oriented in the horizontal direction with the substrate, the order parameter of the aforementioned light-emitting material in the aforementioned light-emitting layer is at least 0.7, and the relationship between the thickness T1 (nm) of the aforementioned first intermediate organic layer and the thickness T2 (nm) of the aforementioned second intermediate organic layer is such that 1.1
說(shuō)明書
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Other than changing the film thicknesses and materials of the various layers to the thicknesses and materials shown in Table 5 below, elements of Working Examples 6-1 to 6-9 and Comparative Examples 10-1 to 10-5 were obtained in the same manner as in Working Example 4-1.
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