Method of manufacturing a display device
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United States of America Patent
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-
Feb 21, 2012
Grant Date -
Jul 5, 2001
app pub date -
Dec 22, 2000
filing date -
Dec 27, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for forming a film having high uniformity in its film thickness distribution is provided. An evaporation source is used in which an evaporation cell, or a plurality of evaporation cells, having a longitudinal direction is formed, and by moving the evaporation source in a direction perpendicular to the longitudinal direction of the evaporation source, a thin film is deposited on a substrate. By making the evaporation source longer, the uniformity of the film thickness distribution in the longitudinal direction is increased. The evaporation source is moved, film formation is performed over the entire substrate, and therefore the uniformity of the film thickness distribution over the entire substrate can be increased.
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