Light emitting device and display unit using it

Details Light emitting device and display unit using it Light emitting device and display unit using it

2006-01-31

2006-01-31

Healy, Brian M. (Department: 2883)

Optical waveguides

Integrated optical circuit

C385S129000, C385S130000, C385S141000, C385S901000

Reexamination Certificate

active

06993214

ABSTRACT:
The invention provides a light emitting device which can prevent irregular color by reducing film thickness distribution and a display unit using it. A first electrode, an organic layer including a light emitting layer, a second electrode including a semi-transparent electrode are sequentially layered on a driving substrate. The light emitting layer has a red light emitting layer, a green light emitting layer, and a blue light emitting layer. The light emitting layer is formed by transferring a raw solution by every color, and then removing the solvent. An optical distance between a first end of the first electrode and a second end of the second electrode satisfies (2L)/λ+Φ/(2π)=m. λ represents a peak wavelength of a spectrum of a light desired to be extracted, Φ represents a phase shift of reflected lights generated in the first end and the second end, and m represents an integer.

REFERENCES:
patent: 6284342 (2001-09-01), Ebisawa et al.
patent: 6489045 (2002-12-01), Araki et al.
patent: 6593689 (2003-07-01), Hayashi et al.
patent: 2001/0020085 (2001-09-01), Ueda et al.
patent: 2002/0041147 (2002-04-01), Shirakawa
patent: 2003/0006699 (2003-01-01), Ogino et al.
patent: 2003/0042472 (2003-03-01), Fujita et al.

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