Patent ID: 6911772
Filing Date: 2005-06-28
Classification: H01L

Abstract:
1. An OLED display device for displaying a color image, the display device being viewed from a front side, comprising: a) a plurality of OLED elements including first color elements that emit a first color of light and second color elements that emit a second color of light different from the first color, each OLED element comprising a first electrode further from the front side, a second electrode closer to the front side, and an organic electroluminescent element between the first and second electrodes; b) where the first electrode of each OLED element is reflective, or a reflector is located behind the OLED elements; and c) a corresponding plurality of color filter elements aligned with the OLED elements, including first and second color filters for passing the first or second color of light emitted by the corresponding OLED element, and blocking other colors of light, wherein the first and second color filters pass greater than 80% of the first or second color of light emitted by the corresponding aligned OLED element.