Thin film electroluminescent device

Details Thin film electroluminescent device Thin film electroluminescent device

C - Chemistry, Metallurgy

09

K

C09K 11/70 (2006.01) C09K 11/58 (2006.01) C09K 11/77 (2006.01) H05B 33/10 (2006.01) H05B 33/14 (2006.01) H05B 33/18 (2006.01) H05B 33/22 (2006.01)

Patent

CA 2420733

An electroluminescent device having high-contrast and/or high-reliability is provided. The electroluminescent device comprises a pair of electrodes - at least one of which is transparent to electroluminescent light, and a phosphor layer which is disposed between the electrodes. The phosphor layer has a host crystal lattice, a first dopant and a second dopant. The first dopant cooperates with the host crystal lattice to cause light emission when a voltage is applied across the pair of electrodes, and the second dopant further distributes the first dopant in the host crystal lattice to increase light emission from the phosphor layer.

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