Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hongseok Lee
Jong-Young Hong
Young Kim
Date of Patent
October 17, 2023
Patent Application Number
17107109
Date Filed
November 30, 2020
Patent Citations
Patent Primary Examiner
Patent abstract
A display apparatus capable of providing an expanded viewing window includes a light guide plate including an input coupler and an output coupler; and an image providing apparatus facing the input coupler to provide an image to the input coupler. The input coupler may include a plurality of sub input couplers configured to propagate the image provided from the image providing apparatus at different angles in the light guide plate.
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