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AR display device and wearable AR equipment

A technology for display devices and projection devices, applied in optical components, optics, instruments, etc., can solve problems such as improving imaging quality and optical performance, adding lenses, and limited system volume, and improving design freedom, reducing volume, and improving clarity. high degree of effect

Inactive Publication Date: 2019-08-23
BEIJING UNICORN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The volume of the system is limited, and it is difficult to improve the imaging quality and optical performance by increasing the number of lenses

Method used

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  • AR display device and wearable AR equipment
  • AR display device and wearable AR equipment
  • AR display device and wearable AR equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] This embodiment provides an AR display device, such as figure 2 As shown, the AR display device includes an image projection device 1 and an optical path assembly;

[0051] The image projection device 1 includes an image source 11, wherein the function of the image source 11 is to display an image that needs to be projected into human eyes, and the image source 11 can be a planar image source, including but not limited to an integrated light source image source or a single image source. For example, OLED (Organic Light-Emitting Diode, organic light-emitting diode), LCOS (Liquid Crystal On Silicon, liquid crystal on silicon), LCD (Liquid Crystal Display, liquid crystal display), MEMS (MicroelectromechanicalSystems, micro-electromechanical display system), DMD (Digital Micro-mirror Device, digital micromirror component) and other display principle electronic devices. Among them, OLED and LCD are image sources of integrated light sources; LCOS, MEMS and DMD are single im...

Embodiment 2

[0055] This embodiment provides an AR display device, such as image 3 As shown, the AR display device includes an image projection device 1 and an optical path assembly;

[0056] The image projection device 1 includes an image source 11 , a matching mirror 13 and a lens 12 . It should be noted that the image projection device may also only include an image source and a matching mirror. Wherein, the function of the image source 11 is to display images that need to be projected into human eyes, and the image source 11 can be a planar image source, including but not limited to an image source with integrated light sources or a single image source. For example, OLED (Organic Light-Emitting Diode, organic light-emitting diode), LCOS (Liquid Crystal On Silicon, liquid crystal on silicon), LCD (Liquid Crystal Display, liquid crystal display), MEMS (Microelectromechanical Systems, micro-electromechanical display system), DMD (Digital Micro-mirror Device, digital micromirror compone...

Embodiment 3

[0085] This embodiment provides an AR display device, such as Figure 6 As shown, the AR display device includes an image projection device 1 and an optical path assembly.

[0086] The difference from the second embodiment above is that the image projection device 1 of this embodiment includes an image source 11 and a lens 12 . The image source 11 is closely attached to the lens 12 .

[0087] Since the image source 11 is closely attached to the lens 12, the image light emitted by the image source 11 will directly enter the lens 12, which reduces the refractive index difference at the interface when the light enters the lens, improves the transmittance of the upper surface of the lens, and increases the Light efficiency can also suppress the generation of stray light and ghost images.

[0088] In the AR display device provided in this embodiment, the image source and the lens are tightly bonded, making the optical system more compact in structure, smaller in size, lighter in ...

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Abstract

Embodiments of the invention provide an AR display device and wearable AR equipment. A cured halving reflector is arranged, and includes a curved mirror substrate and a semi-permeable and semi-reflective film; and the semi-permeable and semi-reflective film is located on the side, back to a spectroscope, of the curved mirror substrate, so that the curved mirror which is originally reflected only once can increase refraction and reflection. Thus, the number of refraction surfaces can be increased under the premise that the system volume remains unchanged, so that degrees of freedom of design can be enhanced, bases can be provided for reducing aberration and enhancing optical performance, and the definition of an imaging system can be higher and viewing angles can be larger while the volumeis decreased.

Description

technical field [0001] The present invention relates to the technical field of augmented reality imaging, in particular to an AR display device and a wearable AR device. Background technique [0002] AR (Augmented Reality, Augmented Reality) is also known as mixed reality. Its principle is to apply virtual information to the real world through computer technology. The real environment and virtual objects are superimposed on the same picture or space in real time. [0003] Currently, people can interact with the real world through wearable devices, such as AR glasses or AR helmets. Such as figure 1 A schematic structural diagram of an AR display device in an existing AR glasses or an AR helmet is shown, as shown in figure 1 As shown, the existing AR display device optical system includes an image source 11, a beam splitter 3, a curved half mirror 4 and a lens 12 positioned above the beam splitter 3, the image source 11 is arranged on the upper part of the optical system, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/01G02B27/28G02B17/08
CPCG02B27/0101G02B27/0172G02B27/283G02B17/08G02B2027/0114G02B2027/0123
Inventor 梁晓斌肖冰徐驰
Owner BEIJING UNICORN TECH CO LTD