Organic electroluminescent device with stabilized cathode

Details Organic electroluminescent device with stabilized cathode Organic electroluminescent device with stabilized cathode

1990-07-26

1991-09-10

O'Shea, Sandra L.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313504, 313506, 428457, H05B 3326, B32B 1504

Patent

active

050476874

ABSTRACT:
An organic electroluminescent device is disclosed which is protected from dark spot formation. The device is comprised of, in sequence, a support, an anode, an organic electroluminescent medium, and a cathode. The cathode contains a plurality of metals, at least one of which is a low work function metal other than an alkali metal. Overlying the cathode is a protective layer comprised of a mixture of at least one organic component of the organic electroluminescent medium and at least one metal having a work function in the range of from 4.0 to 4.5 eV capable of being oxidized in the presence of ambient moisture.

REFERENCES:
patent: 3530325 (1970-09-01), Mehl et al.
patent: 3621321 (1971-11-01), Williams
patent: 4356429 (1982-10-01), Tang
patent: 4539507 (1985-09-01), VanSlyke et al.
patent: 4719152 (1988-01-01), Ohta et al.
patent: 4720432 (1988-01-01), VanSlyke et al.
patent: 4769292 (1988-09-01), Tang et al.
patent: 4885211 (1989-12-01), Tang et al.

Affiliated with

Also associated with

Rating

Organic electroluminescent device with stabilized cathode does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Organic electroluminescent device with stabilized cathode, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Organic electroluminescent device with stabilized cathode will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-542382