Control of creeping discharge for surface light-emitting device and improvement of emission intensity

由于沿面放电在许多情况下会导致电力设备的介质击穿和事故，因此，迄今为止，对沿面放电的研究主要集中在抑制其产生和发展上。然而，目前对沿面放电的实际应用研究还不够深入，在工程应用方面受到限制，如臭氧发生器、污染物去除装置等。本研究的目的是建立适用于照明、显示等面发射器件的沿面放电控制技术。为了稳定地产生具有实际发光强度的均匀平面沿面放电，我们首先进行了以下几个方面的研究：通过电学和光学测量，阐明了固体颗粒上电荷的实验行为和电荷与颗粒之间的相互作用，平面沿面放电产生和发展的机理，背面电场的影响，固体颗粒表面电荷分布的规律，固体颗粒表面电荷分布的规律，固体颗粒表面电荷分布的规律，固体颗粒表面电荷分布的规律 关于我们 电极和放电发射机理进行了研究。即，我们从以下观点进行了研究：（1）通过放电电流等电测量研究沿面放电中的电荷行为（2）通过发射光谱测量研究沿面放电中的发光过程为了考虑提高平面沿面放电的发射强度，首先，重要的是对本工作中采用的电极配置进行Ne气体中放电的发射评估。从而精确地测量了发射光谱和发射强度，并研究了在Ne气体中产生高发射的条件。此外，还对其它气体进行了研究，并考虑了气体电荷与气体特性的关系对平面沿面放电产生和发射的影响。在此基础上，利用荧光材料的激发，研制了白色发光器件，并成功地获得了发光。少

So far, studies of creeping discharge have been focused on suppression of generation and development, because creeping discharge leads to dielectric breakdown and accident on power apparatus in many cases. On the contrary researches on practical application of creeping discharge have not been so intensive until now, so that engineering applications are limited such as ozonizer and apparatuses for removal of pollutions. The purpose of the present work is establishment of controlling technique of creeping discharge for applying to surface emitting devices such as illumination and display. At first, we have been investigated on following items for stable generation of uniform planar creeping discharge with practical light-emission intensity.By electrical and optical measurements, to clarify experimentally behavior of charges on solid dielectrics and interactions between charges and dielectrics, mechanism of generation and development of planar creeping discharge, influence of backside ele … More ctrode and emission mechanism by electric discharge have been investigated.Namely, we have been investigated from following viewpoints ;(1)Investigation of behavior of charge on creeping discharge by electrical measurements such as discharge current(2)Investigation of light emission process on creeping discharge by measurements of emission spectraTo make considerations for improvement of emission intensity of planar creeping discharge, at first it is important that evaluation of emission on electric discharge in Ne gas is performed for adopted electrode configuration in the present work. So that emission spectra and emission intensity have been measured precisely and condition with high emission in Ne gas has been investigated. In addition, investigation have been carried out in other gases and relationship between charges and properties of gaseous dielectrics, which have affected to generation and emission on planar creeping discharge, has been considered. Furthermore, white light-emitting device by using excitation of fluorescent materials ahs been constructed and we successfully obtained emission from the device. Less