| 摘要 |
A blue color filter is provided, having high transmittance for the color blue and low transmittance for the color green. An organic electroluminescent device is provided having excellent blue color purity. The blue color filter according to the invention includes a photosensitive resin; and a dye containing a cyanine dye described by the following structural formula (I):The organic EL device includes a blue color filter made with cyanine dye having the structural formula (I), a glass substrate, an organic protection layer, an inorganic oxide layer, and an organic light-emitting layer including an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron injection layer and a cathode.
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