Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 5, 2009
Patent Application Number
11179661
Date Filed
July 13, 2005
Patent Primary Examiner
Patent abstract
A line head includes an element substrate having light-emitting elements arrayed thereon and a sealing substrate that seals the light-emitting elements on the element substrate. A recess is formed on a portion of the substrate where light emitted from the light-emitting elements exits, and the recess is formed to include an entire region immediately above at least the light-emitting elements.
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