METHOD FOR PRODUCING EL DISPLAY DEVICE AND TRANSFER SUBSTRATE USED IN PRODUCING EL DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Jul 30, 2015
app pub date -
Apr 16, 2013
filing date -
Sep 25, 2012
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Abandoned
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Abstract
A method for manufacturing an EL display device, in which forming of light-emitting layers includes: preparing transfer substrates, each transfer substrate having a supporting substrate on which a transfer layer including at least red, green, or blue light-emitting material is formed; and performing a transfer process that includes transferring the corresponding transfer layer onto a transfer-target substrate of the EL display device by using the corresponding transfer substrate, each transfer substrate has barrier walls on the supporting substrate thereof, the barrier walls defining openings corresponding to a pixel pattern, and the transfer layer is formed by applying organic material ink to between the barrier walls by an inkjet method, the organic material ink containing the light-emitting material, and the top surface of each of the barrier walls has a protrusion that comes into contact with a corresponding one of banks of the EL display device.
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