Uniform and refreshable liquid electroluminescent device with a back side reservoir

作者：Shim Chang Hoon^*; Hirata Shuzo; Oshima Juro; Edura Tomohiko; Hattori Reiji; Adachi Chihaya

来源：Applied Physics Letters, 2012, 101(11): 113302.

DOI：10.1063/1.4749791

We fabricated a refreshable organic light-emitting diode with a liquid emitting layer. This device has a mesh-structured cathode and a liquid reservoir in the back side of the cathode for easy convection of the liquid emitter. The small uniform gap between the electrodes was fabricated by means of micro-electro-mechanical systems (MEMS) processing. Although the device luminance decreased because of decomposition of the liquid emitters under the drive current, the decreased emission was quickly recovered to the initial state by convectional replacement of the decomposed emitters with fresh emitters through the holes of the mesh cathode.

• 出版日期2012-9-10