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US 11,454,930 B2Granted
Holographic image display device
AssigneeSK Telecom Co., Ltd.
InventorsYong Woo Bae, Dongyoub Sinn, Hak-Soon Lee, Jinsoo Jeon, Gukchan Lim
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Abstract
A holographic image display device according to one embodiment comprises: an image display unit on which a holographic image is displayed; and a spatial impression providing unit which forms a space surrounding the holographic image, and includes a transparent color material such that the space looks colored and the holographic image can be recognized from the outside.
Claims9
A holographic image display device comprising:
- an image display unit configured to display a holographic image;
- and
- a spatial impression providing unit configured to form a space surrounding the holographic image, the spatial impression providing unit comprising a colored transparent material which allows the holographic image to be seen through the spatial impression providing unit from outside while allowing the space to be seen colored,
- wherein the spatial impression providing unit comprises a dynamic dye filter, and a degree of color of the dynamic dye filter varies depending on an ambient illuminance.
1 more element
Dependencies are inferred from the claim text.