NOVELTY - The purifying apparatus (100) has heater (130) that heats purification target material received in inner tube. An evacuator (140) evacuates inner tube (110) into vacuum. A driving device (150) drives inner tube. The target material is supplied to supply unit (111). The target material is sublimated or liquefied in collecting units (115,115a-115c) as moved towards evacuator. The collecting unit is provided between supply unit and evacuator. A buffer between supply unit and collecting unit collects foreign matter from target material that is sublimated or evaporated in supply unit.    USE - Apparatus for purifying organic compound such as composite organic/inorganic compound, organo-metallic complex compound and/or impurities for use in manufacture of organic opto-electric device such as organic electroluminescent device (claimed), organic light emitting device, organic solar cell, organic photo-conductor drum and organic transistor. Can also be used in purifying organic compound for medicine, electronic material and chemical material.    ADVANTAGE - The purification target material is prevented from running over to outside of the supply unit during rotation of the supply unit. The supply unit is stably rotated without being shaken. The impurities are volatized to be moved toward and removed by the evacuator, so that the purified organic compound to be collected in the collecting unit is left. The surface area on which the purification target material is sublimated or evaporated is enlarged, while increasing the heat transfer efficiency for the purification target material. The purity and the yield are improved. The color purity and the luminous efficacy are improved. The luminous lifetime of the organic electroluminescent device is extended. The mass production of the organic compound is increased.    DETAILED DESCRIPTION - The supply unit has a deposition portion (113) that stores the purification target material. The deposition portion has an inner wall on which the purification target material is deposited as a thin film. A discharge port (112) is opened towards the collecting unit. The discharge port is configured to discharge the sublimated or evaporated purification target material from the deposition portion towards the collecting unit. The discharge port is concentric with the deposition portion. The discharge port has a diameter smaller than a diameter of the deposition portion. The driving device includes a drive unit (151) that generates power. A power transmission unit (155) transmits the power generated by the drive unit to the supply unit to move the supply unit. The power transmission unit rotates the supply unit. The power transmission unit includes a power transmission element (156) that receives power from the drive unit. A supply unit-holding element (157) transmits power received in cooperation with the power transmission element to the supply unit. The supply unit-holding element includes an outward holding portion that extends to surround an outer surface of the supply unit. A longitudinal holding portion extends in a longitudinal direction of the supply unit and intersects the outward holding portion. A mounting portion is provided on one of the outward holding portion and the longitudinal holding portion. A pressing portion on the mounting portion supports the supply unit. A resilient portion presses the pressing portion towards the supply unit. The supply unit-holding element is separated from the supply unit. The mounting portion includes a through hole penetrating the supply unit-holding element. The pressing portion contacts the supply unit. The supply unit is detachably coupled with the power transmission unit. The heater includes a supply unit-heating portion (131) that heats the supply unit. A collecting unit-heating portion (135,135a-135d) heats the collecting unit to a temperature that is lower than a temperature to which the supply unit-heating portion heats the supply unit. The inner tube is divided into heating zones that are arranged from the driving device to the evacuator. The heater heats the inner tube such that a zone closest to the driving device has a highest temperature. An outer tube (120) accommodates the inner tube. The driving device is provided at one side of the outer tube and at the evacuator being at another side of the outer tube. A sealing portion (159) seals a coupling portion between the driving device and the outer tube to seal the outer tube. A carrying gas supplier supplies a carrying gas. The carrying gas moves the sublimated or evaporated purification target material towards the evacuator. The inner tube includes a surface-area enlarging portion that enlarges a surface area inside the inner tube. An organic compound includes a material for an organic electroluminescent device. An INDEPENDENT CLAIM is included for a method of purifying an organic compound involves melting the purification target material. The supply unit is rotated to form a thin film of the purification target material on an inner wall of the supply unit. The purification target material in the supply unit is heated to be sublimated or evaporated. The purification target material is purified by sublimating or liquefying the purification target material while moving the purification target material towards an evacuator. The supply unit is inserted into outer tube and the supply unit is blocked from external air with sealing portion. The inner tube that is divided into zones such that a zone farthest away from the evacuator has a temperature equal to or higher than a sublimation or evaporation point of the purification target material, and other zones have a temperature lower than the sublimation or evaporation point of the purification target material, is heated.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the apparatus for purifying organic compound.    Purifying apparatus (100)    Inner tube (110)    Supply unit (111)    Discharge port (112)    Deposition portion (113)    Collecting units (115,115a-115c)    Outer tube (120)    Heater (130)    Supply unit-heating portion (131)    Collecting unit-heating portions (135,135a-135d)    Evacuator (140)    Driving device (150)    Drive unit (151)    Power transmission unit (155)    Power transmission element (156)    Supply unit-holding element (157)    Sealing portion (159)