Patent ID: 7795809
Filing Date: 2010-09-14
Classification: H01L,Y10T

Abstract:
1. An electro-optical device comprising: a partition for separating a plurality of liquid droplet ejection regions of pixels formed on a substrate, the partition having a lyophilic first partition which has a side portion and an upper surface portion surrounding the region and a liquid-repellent second partition which is formed on at least a portion of the upper surface portion of the first partition; a functional layer which is formed on the region surrounded by the partition and has at least a light emitting layer; and a pair of electrodes with the functional layer interposed therebetween, wherein the first partition includes a first opening, the first opening having a first end and a second end opposite the first end, the first end of the first opening being wider than the second end of the first opening, the second partition includes a second opening, the second opening having a first end and a second end, the second end of the second opening being disposed above the first end of the second opening, the second end of the second opening being wider than the first end of the second opening, and the first end of the second opening being smaller than the first end of the first opening.