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Patent Searching and Data


Title:
LIGHTING DEVICE, LIGHTING METHOD, AND PROJECTOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/235085
Kind Code:
A1
Abstract:
A lighting device according to the present technology comprises: a light source unit having a light-emitting element; a phase modulation unit that performs spatial light phase modulation on light incident from the light source unit; and a control unit that controls the phase modulation unit so that a plurality of domains formed by dividing a phase modulation surface of the phase modulation unit regenerates a light intensity distribution based on a common phase distribution that is obtained, on the basis of a Freeform method, in a common region on a projection surface.

Inventors:
TAHARA, Hiroyuki (JP)
Application Number:
PCT/JP2021/012611
Publication Date:
November 25, 2021
Filing Date:
March 25, 2021
Export Citation:
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Assignee:
SONY GROUP CORPORATION (JP)
International Classes:
H05B47/105; F21S41/65; G02F1/01; G02F1/13; G03B21/00; G03B21/14; F21Y115/30
Attorney, Agent or Firm:
IWATA, Masanobu et al. (JP)
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