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US 11,947,114 B2Granted
Holographic lens and apparatus including the same
AssigneeSamsung Electronics Co., Ltd.
InventorsSeokil Moon, Changkun Lee, Geeyoung Sung, Hongseok Lee
Life of this patent
Estimating the term…
Abstract
A holographic lens and a display apparatus using the same as a combiner, the holographic lens including a phase profile obtained through an optimization process for each position to form an imaging optical system for forming a virtual image of lights emitted from a plurality of areas.
Claims24
A holographic lens comprising:
- a plurality of positions configured to form an imaging optical system that images lights emitted from a plurality of areas of a light emitting device on a corresponding plurality of virtual image points;
- and
- a phase profile obtained through an optimization process for each position of the plurality of positions,
- wherein, according to the phase profile, a phase of each position of the plurality of positions in the holographic lens is formed to have an optimized value satisfying
- min∥T·(δ−ρ)−øtarget∥2,
- where p is a phase of light emitted from each of the plurality of areas of the light emitting device, Φ is a phase of the holographic lens, δ is a phase of light emitted from a virtual image, T is a projection matrix, and Φtarget is a phase providing an intended virtual image.
3 more elements
A holographic lens comprising:
- a plurality of positions configured to form an imaging optical system that images lights emitted from a plurality of areas of a light emitting device on a corresponding plurality of virtual image points;
- and
- a phase profile obtained through an optimization process for each position of the plurality of positions,
- wherein the holographic lens is formed by entirely recording the phase profile obtained through the optimization process on the holographic lens by controlling a spatial light modulator, and
- wherein the phase profile of the holographic lens is formed by one recording by mounting the phase profile obtained through the optimization process on the spatial light modulator and expanding the phase profile by a size of the holographic lens to be recorded.
2 more elements
A display apparatus comprising:
- an image-providing device configured to provide an image;
- and
- a combiner configured to combine the image emitted from the image-providing device and an external foreground,
- wherein the combiner comprises:
- a holographic lens having a plurality of positions configured to form an imaging optical system that images lights emitted from a plurality of pixels of the image providing device on a corresponding plurality of virtual image points;
- and
- a phase profile obtained through an optimization process for each position of the plurality of positions,
- wherein, according to the phase profile, a phase of each position of the plurality of positions of the holographic lens is formed to have an optimized value satisfying
- min∥T·(δ−ρ)−øtarget∥2,
- where p is a phase of light emitted from each pixel among the plurality of pixels of the image-providing device, Φ is a phase of the holographic lens, δ is a phase of light emitted from a virtual image, T is a projection matrix, and Φtarget is a phase providing an intended virtual image.
7 more elements
Dependencies are inferred from the claim text.