Patent ID: 7701533

Claim:
An electro-optical device comprising: a plurality of display pixels each of which has two Red sub-pixels, two Green sub-pixels, one Blue sub-pixel, and one transparent sub-pixel; colored layers including a Red colored layer, a Green colored layer, and a Blue colored layer which are formed on the Red, Green, and Blue sub-pixels respectively; and at least one uncolored portion formed in parts of each of the Red and Green sub-pixels where the colored layers are not formed, wherein each of the Blue sub-pixels is entirely and substantially uniformly colored, wherein the Red colored layer and the Green colored layer enclose the at least one uncolored portion formed on the Red and Green sub-pixels respectively and the at least one uncolored portion allows light to pass through, wherein the area of the at least one uncolored portion is determined such that white balance in white display is adjusted to a predetermined color temperature.