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Abstract

A blue top emitting quantum dot light-emitting device and a display apparatus are disclosed. The blue top emitting quantum dot light-emitting device includes: a cathode and an anode oppositely arranged, a blue quantum dot light-emitting layer between the cathode and the anode, an electron transport layer between the cathode and the blue quantum dot light-emitting layer, and a hole transport layer between the blue quantum dot light-emitting layer and the anode; where: a material of the blue quantum dot light-emitting layer is ZnSe_1-x:Te_x/ZnSe/ZnS, ZnSe_1-x:Te_x means that a molar ratio of Se to Te is 1-x:x, and x is 0.03 to 0.07; a thickness of the hole transport layer is 10 nm to 35 nm, a thickness of the electron transport layer is 25 nm to 50 nm, and a sum of thicknesses of the hole transport layer and the electron transport layer is 55 nm to 65 nm.

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First Claim