Organic electroluminescence display device and method for...

Details Organic electroluminescence display device and method for... Organic electroluminescence display device and method for...

2011-06-07

2011-06-07

Nguyen, Kevin M (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S078000

Reexamination Certificate

active

07956828

ABSTRACT:
In an organic electroluminescence display device (30) comprising an organic EL element (26) having a structure wherein an organic luminescent medium (24) is sandwiched between a top electrode (20) and a bottom electrode (22), and a driving circuit (14) for driving the organic EL element (26), the organic luminescent medium (24) comprises a host compound and a triplet-related luminous compound and the driving circuit (14) applies a electric pulse voltage or pulse current having a frequency of 30 Hz or more and a duty ratio of 1/5 or less. In this way, it is possible to provide an organic EL display device which consumes a low electric power and has a long luminous life span, and a method for driving the same.

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Japanese Journal of Applied Physics, Dec. 15, 1999, vol. 38, No. 12B, pp. L1502-L1504.

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