| 简介 |
Disclosed is an Al alloy film for use in a display device, which does not undergo the formation of hillocks even when exposed to high temperatures of about 450° C. to 600° C., and has excellent high-temperature heat resistance, low electrical resistance (wiring resistance) and excellent corrosion resistance under alkaline environments. Specifically disclosed is an Al alloy film for use in a display device, which comprises at least one element selected from a group X consisting of Ta, Nb, Re, Zr, W, Mo, V, Hf and Ti and at least one rare earth element, and which meets the following requirement (1) when heated at 450° C. to 600° C. (1) Precipitates each having an equivalent circle diameter of 20 nm or more are present at a density of 500, 000 particles/mm2 or more in a first precipitation product containing at least one element selected from Al and the elements included in the group X and at least one rare earth element. |
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