The present invention can realize bright white display, a high contrast black-white display and full color display with a simple structure of element members, and provide a display element exhibiting high durability and a method of forming a porous layer in the display element. Also disclosed is a display element comprising a porous layer and an electrolyte between a pair of facing electrodes, wherein the porous layer comprises particles bonded to each other by a metal or nonmetal oxide, the metal or nonmetal oxide deposited from a treatment solution comprising a deposition promoter and a complex comprising a metal or nonmetal ion and a ligand via reaction of the ligand with the deposition promoter.
本发明可以通过元素成员的简单结构实现明亮的白色显示、高对比度的黑白显示和全彩色显示,并提供具有高耐久性的显示元件和在显示元件中形成多孔层的方法。还公开了一种包括多孔层和电解质在一对对面电极之间的显示元件,其中多孔层包括通过
金属或非金属氧化物相互结合的颗粒,所述
金属或非金属氧化物通过反应沉积
促进剂和含有
金属或非
金属离子和
配体的络合物的处理溶液沉积而成。