Patent · US Active

Three-dimensional display apparatus and virtual reality device

US11509882B2 · kind B2 · utility

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0References

14Claims

0Family size

Assignees

Inventors

Shuo Zhang · Oettingen, DE
Hao Zhang · Shanghai, CN
Lili Chen · Beijing, CN
Minglei Chu · Beijing, CN
Hongzhen Xue · Beijing, CN
Guixin Yan · Beijing, CN
Zehua Dong · Beijing, CN
Huidong He · Beijing, CN
Chenxi Zhao · Beijing, CN
Xiangjun Peng · Beijing, CN
Yaoyu Lv · Beijing, CN
Yukun Sun · Beijing, CN
Qingwen Fan · Beijing, CN
Yachong Xue · Beijing, CN

Key dates

Filing date	Aug 26, 2019
Grant date	Nov 22, 2022
Priority date	—
Expiry date	Mar 6, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH10K59/50
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A three-dimensional display apparatus includes: a display layer and a transmissive phase modulator, wherein the transmissive phase modulator is disposed on a light exit side of the display layer, and includes a plurality of modulation units; and each of the modulation units is configured to perform phase modulation on light received by the modulation unit, and is configured such that a picture displayed by the display layer is presented as a contiguous curved virtual image after being processed by the transmissive phase modulator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.