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US 2025/0164799 A1Published application
Display apparatus for providing expanded viewing window
AssigneeSamsung Electronics Co., Ltd.
InventorsJong-Young HONG, Hongseok LEE, Young KIM
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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.
Claims13
A display apparatus comprising:
- a light guide plate comprising an input coupler and an output coupler;
- and
- an image providing apparatus configured to provide a plurality of images traveling in different directions to the input coupler,
- wherein the image providing apparatus comprises:
- a spatial light modulator facing the input coupler and comprising a plurality of display regions configured to provide the plurality of images to the input coupler;
- and
- a light source configured to provide coherent illumination light to the spatial light modulator, and
- wherein the spatial light modulator is provided such that each display region of the plurality of display regions is configured to provide a respective image to the input coupler, each respective image being formed by a different respective diffraction order.
5 more elements
Dependencies are inferred from the claim text.