Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomoaki Morishita0
Ginga Ito0
Suguru Mukumoto0
Date of Patent
November 16, 2021
Patent Application Number
17268625
Date Filed
September 6, 2019
Patent Primary Examiner
Patent abstract
A planar illumination device includes a light source substrate, a lens, a diffuser, and a spacer. The light source substrate includes a plurality of light-emitting devices two-dimensionally arrayed thereon. The lens receives light emitted from the light source substrate. The diffuser receives light emitted from the lens. The spacer is integrated with the diffuser and disposed between the lens and the diffuser.
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