Light-emitting element, light-emitting device, electronic device and quinoxaline derivative.
发光元件，发光器件，电子器件和喹喔啉衍生物。
Spirofluorene derivative, material for light-emitting element, light-emitting element, light-emitting device, and electronic device.
螺芴衍生物，发光元件用材料，发光元件，发光设备和电子设备。
A method of arraying self-scanning light-emitting element array chips is provided, in which it is possible to remove defective chips completely.
提供一种可完全除去不良芯片的发光元件阵列芯片的布置方法。
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