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US 12,181,783 B2Granted
Optical phase modulation element and display apparatus
AssigneeSony Group Corporation
InventorsAkiko Toriyama, Takahiro Mochizuki
Life of this patent
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Abstract
An optical phase modulation element of the present disclosure includes a plurality of divided regions provided in different regions in an in-plane direction and encapsulating a liquid crystal material having a different refractive index anisotropy, in which the plurality of divided regions each displays a phase distribution pattern for a color having a different wavelength.
Claims12
An optical phase modulation element, comprising:
- a plurality of divided regions in different regions in an in-plane direction, wherein
- each of the plurality of divided regions encapsulates a different liquid crystal material having a respective refractive index anisotropy,
- each of the plurality of divided regions is configured to display a phase distribution pattern for a color having a different wavelength,
- a divided region of the plurality of divided regions includes a blue region,
- the blue region is configured to display a blue phase distribution pattern, and
- an area of the blue region is more than ⅓ of an entire in-plane effective display region;
- and
- a plurality of alignment films, wherein a material of each of the plurality of alignment films corresponding to each of the plurality of divided regions is different.
5 more elements
A display apparatus, comprising:
- a light source unit configured to emit a plurality of color light beams having different wavelengths;
- and
- an optical phase modulation element configured to perform phase modulation on each of the plurality of color light beams from the light source unit, wherein
- the optical phase modulation element includes:
- a plurality of divided regions in different regions in an in-plane direction, wherein
- each of the plurality of divided regions encapsulates a different liquid crystal material having a respective refractive index anisotropy,
- each of the plurality of divided regions is configured to display a phase distribution pattern for a color having a different wavelength,
- a divided region of the plurality of divided regions includes a blue region,
- the blue region is configured to display a blue phase distribution pattern, and
- an area of the blue region is more than ⅓ of an entire in-plane effective display region;
- and
- a plurality of alignment films, wherein a material of each of the plurality of alignment films corresponding to each of the plurality of divided regions is different.
9 more elements
Dependencies are inferred from the claim text.