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Holographic light field three-dimensional display device and augmented reality display equipment

A technology of three-dimensional display and display equipment, applied in optics, optical components, instruments, etc., can solve problems such as visual fatigue, user focus and convergence competition conflicts, etc., to achieve comfortable experience and enhance the effect of current experience

Active Publication Date: 2020-07-31
谷东科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the way of binocular parallax will cause the user's focus and convergence competition conflicts, and cause visual fatigue problems

Method used

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  • Holographic light field three-dimensional display device and augmented reality display equipment
  • Holographic light field three-dimensional display device and augmented reality display equipment
  • Holographic light field three-dimensional display device and augmented reality display equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] Such as Image 6 As shown, in an embodiment, preferably, the display system 13 includes: an in-coupling grating 61 , a waveguide 62 and an out-coupling grating 63 .

[0072] Image 6 The specific optical path principle is as follows: the light emitted by the light source 511 (LED lamp) passes through the polarization beam splitting element 512 to reflect and illuminate the reflective silicon-based liquid crystal 52, and the reflective silicon-based liquid crystal 52 loads the above-mentioned three-dimensional hologram, then passes through the polarization beam splitting element 512 again, and uses the first A 4f filter system 12 composed of a lens 41, a filter 42 and a second lens 43 filters out the light of other orders except the first-order light, and collimates it into parallel light to enter the coupling grating 61, and the coupling grating 61 The light is coupled into the waveguide 62 , the waveguide 62 transmits the coupled light to the outcoupling grating 63 , ...

Embodiment 2

[0074] Such as Figure 7 As shown, in an embodiment, preferably, the display system 13 includes: a mirror 71 and a holographic optical element 72 .

[0075] Figure 7 The specific optical path principle is as follows: the light emitted by the light source 511 (LED lamp) passes through the polarization beam splitting element 512 to reflect and illuminate the reflective silicon-based liquid crystal 52, and the reflective silicon-based liquid crystal 52 loads the above-mentioned three-dimensional hologram, then passes through the polarization beam splitting element 512 again, and uses the first A lens 41, a 4f filter system 12 composed of a filter 42 and a second lens 43 filters out other orders of light except the primary light, and collimates them into parallel light incident on the reflector 71, and the reflector 71 converts all light The outgoing light of the 4f filter system 12 is reflected to the holographic optical element 72, and the holographic optical element 72 diffra...

Embodiment 3

[0077] Such as Figure 8 As shown, in one embodiment, preferably, the display system 13 includes: a reflecting mirror 81 and a half mirror 82 .

[0078] Figure 8 The specific optical path principle is as follows: the light emitted by the light source 511 (LED lamp) passes through the polarization beam splitting element 512 to reflect and illuminate the reflective silicon-based liquid crystal 52, and the reflective silicon-based liquid crystal 52 loads the above-mentioned three-dimensional hologram, then passes through the polarization beam splitting element 512 again, and uses the first A lens 41, a 4f filtering system 12 composed of a filter 42 and a second lens 43 filters out other orders of light except the first-order light, and collimates them into parallel light incident on the reflector 81, and the reflector 81 converts all light The outgoing light of the 4f filter system 12 is reflected to the half mirror 82, and the half mirror 82 reflects the light transmitted to t...

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Abstract

The invention relates to a holographic light field three-dimensional display device and augmented reality display equipment. The holographic light field three-dimensional display device comprises an image processing system, a 4f filtering system, and a display system. The image processing system is used for acquiring a three-dimensional image, processing the three-dimensional image by adopting a holographic three-dimensional algorithm to obtain a three-dimensional hologram, and displaying the three-dimensional hologram; the 4f filtering system is used for carrying out filtering processing andcollimation processing on the three-dimensional hologram displayed by the image processing system and then emitting the three-dimensional hologram into the display system; and the display system is used for transmitting the light rays emitted into the display system and coupling the light rays to human eyes. According to the technical scheme, a real three-dimensional display effect is achieved, and real and comfortable augmented reality experience is brought to the user.

Description

technical field [0001] The present disclosure relates to the technical field of augmented reality display, in particular to a three-dimensional display device of a holographic light field and an augmented reality display device. Background technique [0002] Augmented reality technology, referred to as AR, is a new technology that "seamlessly" integrates real world information and virtual world information. Technology, after simulation and superposition, applies virtual information to the real world and is perceived by human senses, so as to achieve a sensory experience beyond reality. The real environment and virtual objects are superimposed on the same picture or space in real time. This technology not only displays real-world information, but also displays virtual information at the same time, and the two kinds of information complement and superimpose each other. In the visual augmented reality, users use the head-mounted display to multiplex the real world and computer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/01
CPCG02B27/0172G02B2027/014G02B2027/0174
Inventor 崔海涛
Owner 谷东科技有限公司
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