Holographic display method and apparatus using optical fiber array backlight for portable device
AssigneeElectronics and Telecommunications Research Institute
InventorsHyun Eui Kim, Jin Woong Kim, Kyung Ae Moon, Min Sik Park
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Abstract
The present invention discloses a holographic display apparatus including a light irradiating unit configured to irradiate light using an optical fiber array backlight, a spatial light modulator (SLM) configured to perform modulating the irradiated light, a lens configured to irradiate hologram images based on the modulated light, a pupil tracking unit configured to acquire location of an observer's pupil by pupil tracking, and a hologram generating unit configured to generate parallax hologram images that correspond to the location of pupil.
Claims15
A holographic display apparatus, comprising:
- a light irradiating unit configured to irradiate light using an optical fiber array backlight;
- a spatial light modulator (SLM) configured to perform modulating the irradiated light;
- a lens configured to irradiate hologram images based on the modulated light;
- a pupil tracking unit configured to acquire a location of an observer's pupil by pupil tracking;
- and
- a hologram generating unit configured to generate parallax hologram images that correspond to the location of the pupil,
- wherein the light irradiating unit comprises a viewing window array provided by arranging a light source array in an arc shape with respect to horizontal and vertical directions.
A holographic display method, comprising:
- irradiating light using an optical fiber array backlight;
- modulating the irradiated light performed by a spatial light modulator (SLM);
- irradiating hologram images by passing the modulated light through a lens;
- tracking a pupil for acquiring a location of an observer's pupil by pupil tracking;
- and
- generating parallax hologram images that correspond to the location of the pupil,
- wherein irradiating the light comprises diverging optical fiber laser beam into paths and generating white light through an RGB combiner.
A holographic display method, comprising:
- irradiating light using an optical fiber array backlight;
- modulating the irradiated light performed by a spatial light modulator (SLM);
- irradiating holograms images by passing the modulated light through a lens;
- tracking a pupil for acquiring a location of an observer's pupil by pupil tracking;
- and
- generating parallax hologram images that correspond to the location of the pupil,
- wherein irradiating the light comprises forming a viewing window array provided by arranging a light source array in an arc shape with respect to horizontal and vertical directions.
Dependencies are inferred from the claim text.