COMPOSITION FOR LIGHT-EMITTING ELEMENT, FILM ARRANGED BY USE THEREOF, AND LIGHT-EMITTING ELEMENT

• Main Authors: ABE TAICHI, ASAHINA HIROMUNE, TANAKA MASANOBU, YOSHIOKA MAYU
• Format: Patent
• Language: English; Japanese
• Published: 10.06.2021
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES; SEMICONDUCTOR DEVICES

To provide a composition useful to manufacture a light-emitting element of a low drive voltage.SOLUTION: A composition for a light-emitting element as described below is provided according to a disclosure hereof. The composition comprises: a low-molecular compound; a high-molecular compound; and a solvent. The high-molecular compound is a polymer compound having a heterocyclic group of a single or condensed ring, including one or more heteroatoms selected from an oxygen atom, a nitrogen atom and a sulfur atom in its ring. The high-molecular compound includes a constituting unit A containing, in its main chain, one or more groups A selected from an aromatic hydrocarbon group of a single or condensed ring and the heterocyclic group. The difference between a contact angle of a separate film formed by the low-molecular compound to water, and a contact angle of a separate film formed by the high-molecular compound to water is no more than 5 degrees.SELECTED DRAWING: None 【課題】本開示は、駆動電圧の低い発光素子の製造に有用な組成物を提供することを目的とする。【解決手段】本開示は、下記の発光素子用組成物を提供する：低分子化合物、高分子化合物、及び溶媒を含有し、高分子化合物が、環内に、酸素原子、窒素原子及び硫黄原子から選択される一つ以上のヘテロ原子を含む、単環又は縮合環の複素環基を有する高分子化合物であり、高分子化合物は、主鎖に、単環若しくは縮合環の芳香族炭化水素基、及び前記複素環基から選択される基Ａを一つ以上含む構成単位Ａを含有し、かつ低分子化合物からなる単独膜の水に対する接触角と、前記高分子化合物からなる単独膜の水に対する接触角との差が、５度以下である。【選択図】なし