| 摘要 |
PROBLEM TO BE SOLVED: To provide a device which can be used as a multi-primary color pixel.SOLUTION: A device comprises a first organic light emitting device, a second organic light emitting device, a third organic light emitting device, and a fourth organic light emitting device. The devices may be a pixel of a display having four sub-pixels. The first device may emit red light, the second device may emit green light, the third device may emit light blue light and the fourth device may emit deep blue light. |
