SUBLIMATION PURIFICATION APPARATUS OF ORGANIC LIGHT-EMITTING MATERIAL AND THE MATERIAL PREPARED BY USING THE APPARATUS

摘要

An improved sublimation purification apparatus of an organic material is provided to obtain a target material at a high yield and reduce the preparation cost by fundamentally reducing the sublimation purification number, an organic compound purified to a high purity and a high yield by using the sublimation purification apparatus is provided, and an organic light-emitting device with improved light emitting efficiency and extended life cycle comprising the organic compound is provided. A sublimation purification apparatus of an organic light-emitting material comprises: an internal tube(11) of the sublimation purification apparatus, which has a purification object(16) disposed at one end therein; connecting members(15a,15b) which divide the internal tube into a plurality of sections; heaters(12a-12d) for heating the purification object to a sublimation temperature or more in each section of the internal tube; a vacuum pump(14) for maintaining the internal tube in a vacuum condition; and at least one separation wall for separating a soluble compound condensed in the internal tube. The separation wall is attached to the internal tube of the sublimation purification apparatus. The separation wall is attached to the connecting members that device the internal tube of the sublimation purification apparatus. The heaters have different temperature values. The soluble compound is used as a hole injection material or a hole transport material. The soluble compound comprises an amine-based compound.