A method for aging an organic electroluminescence display element where the integration value with respect to an applied voltage and a voltage application time in a reverse direction is at least twice as much as in a forward direction.

 
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< Apparatus and method of assembling head unit, of positioning liquid droplet ejection head, and of fixing liquid droplet ejection head; as well as method of manufacturing LCD device, organic EL device, electron emission device, PDP device, electrophoretic display device, color filter, organic EL, spacer, metallic wire, lens, resist, and light diffusion member

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> Information processing apparatus, information processing method, recording medium, and program

> Highly luminescent color-selective nanocrystalline materials
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