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Patent Searching and Data


Title:
HOLOGRAPHIC DISPLAY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/052104
Kind Code:
A1
Abstract:
Provided in the present application is a holographic display system, comprising an on-site holographic display system, a transmissive geometric holographic display system, a folded optical path geometric holographic display system, and a reflective geometric holographic display system. A display element capable of directly displaying screens provided with depth of field information is used to project a diverging 3D image in the air without the aid of another reference light source. The image is converted by a projection screen of an equivalent negative refractive index flat lens to then obtain an observable 3D image suspended in the air, which reduces costs. At the same time, the 3D image may be displayed in front of or behind the projection screen, the display space is infinite, and in a very small device space, a super large screen and super deep depth of field may also be displayed.

Inventors:
WANG GUANGJUN (CN)
YU WEIWEI (CN)
Application Number:
PCT/CN2020/110405
Publication Date:
March 25, 2021
Filing Date:
August 21, 2020
Export Citation:
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Assignee:
JINGMEN CITY DREAM EXPLORATION TECH CO LTD (CN)
International Classes:
G03B35/18; G02B17/02; G02B30/40; G02B30/54; G02B30/56; G03H1/12; H04N9/31; H04N13/128; H04N13/363; H04N13/366; H04N13/398
Foreign References:
CN110471249A2019-11-19
CN111338175A2020-06-26
CN111338176A2020-06-26
CN111338177A2020-06-26
CN106773469A2017-05-31
CN107533184A2018-01-02
US9522326B22016-12-20
JP2006053321A2006-02-23
CN106772821A2017-05-31
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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