To provide a light-emitting device that is capable of red-light-emitting with high luminance and high efficiency and that is excellent in endurance; and a metal coordination compound metal coordination compound having a partial structure represented by formula (1) that can be used in the light-emitting device, and that can also be used in applications, such as organic electroluminescent device materials, electrochemiluminescence (ECL) device materials, emission sensors, photosensitizers, displays, photographic materials, laser dyes, color filter dyes, optical communications, color conversion filters, backlights, illuminations, photosensitizing dyes, various light sources, and the like.
提供一种具有高亮度和高效率的红光发射能力、并且具有出色耐久性的发光装置;以及具有由公式(1)表示的部分结构的
金属配位化合物,可用于发光装置中,并可用于有机电致发光器件材料、电
化学发光(
ECL)器件材料、发射传感器、光敏剂、显示器、摄影材料、激光
染料、彩色滤光片
染料、光通信、色彩转换滤光片、背光、照明、光敏
染料、各种光源等应用中。