Display device, display unit, and imaging device

Details Display device, display unit, and imaging device Display device, display unit, and imaging device

2005-02-24

2009-08-18

Patel, Nimeshkumar D. (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S505000, C313S506000, C313S501000, C313S498000

Reexamination Certificate

active

07576483

ABSTRACT:
The invention provides a display device capable of improving color separation characteristics by using a color filter having high transmittance. An organic light emitting device emits blue light, red light, and green light, and the emission intensity of the green light is relatively lower than those of the blue light and the red light. A green fluorescence conversion layer for absorbing a blue wavelength component and emits green light is provided between the organic light emitting device and a green filter layer. Color purity of blue and red is improved by decreasing a green light emitting component causing decreasing color purity when blue and red are separated by a color filter, and by using the color filter having high transmittance and low density. The decreased green light emitting component is complemented with the green fluorescence conversion layer, chromaticity is adjusted by a green filter layer, and thereby light emitting efficiency and color reproducibility are improved.

REFERENCES:
patent: 5294870 (1994-03-01), Tang et al.
patent: 5837391 (1998-11-01), Utsugi
patent: 5909081 (1999-06-01), Eida et al.
patent: 6013982 (2000-01-01), Thompson et al.
patent: 6249372 (2001-06-01), Kobayashi et al.
patent: 6358652 (2002-03-01), Tomiuchi et al.
patent: 6548956 (2003-04-01), Forrest et al.
patent: 6653778 (2003-11-01), Tomiuchi et al.
patent: 6696785 (2004-02-01), Shimoda et al.
patent: 7129634 (2006-10-01), Boroson et al.
patent: 2003/0170491 (2003-09-01), Liao et al.
patent: 2004/0012330 (2004-01-01), Ohshita et al.
patent: 2004/0135502 (2004-07-01), Kobayashi et al.
patent: 2004/0258954 (2004-12-01), Takasu et al.
patent: 2005/0147844 (2005-07-01), Hatwar et al.
patent: 2005/0244673 (2005-11-01), Satoh et al.
patent: 10-170918 (1998-06-01), None
patent: 10-255983 (1998-09-01), None
patent: 2003-150109 (2003-05-01), None
patent: 2003-243153 (2003-08-01), None

Affiliated with

Also associated with

Rating

Display device, display unit, and imaging device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Display device, display unit, and imaging device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Display device, display unit, and imaging device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4102350