| 摘要 |
A dam member is formed around a light emitting region of an El element so as to surround the entire outer periphery of the light emitting region. The dam member is formed on an interface between a glass substrate and a sealing layer in a portion where neither a first electrode extraction portion of an anode nor a second electrode extraction portion of a cathode are formed, an interface between the sealing layer and the first electrode extraction portion in a portion where the first electrode extraction portion is formed, and an interface between the second electrode extraction portion and the glass substrate in a portion where the second electrode extraction portion is formed. Even if moisture or gas intrudes into those interfaces, the dam member absorbs the moisture or gas and prevents further intrusion beyond the dam member.
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