Augmented reality type near-eye display system with ultrathin plane based on ultra-structure

An ultra-microstructure, near-eye display technology, applied in optical components, instruments, optics, etc., can solve the problems of bulky, cumbersome near-eye display systems, and difficult to carry, and achieve the effects of small size, reduced size, and simple structure

Inactive Publication Date: 2019-02-15
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to optimize and solve the problems of the current near-eye display system that are bulky, bulky, and not easy to carry, an ultra-thin flat near-eye display system based on a micro-nano structure that looks like glasses is proposed, and it can realize the function of augmented reality

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  • Augmented reality type near-eye display system with ultrathin plane based on ultra-structure
  • Augmented reality type near-eye display system with ultrathin plane based on ultra-structure

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] The near-eye display system based on the planar ultrastructure proposed by the present invention, such as figure 1 Said, including two parts: a microdisplay (1) and an ultramicrostructure semi-reflective and semi-transparent plane (2).

[0020] The microdisplay (1) is located obliquely above the human eye (3), at a certain angle to the vertical direction, and the side that emits light faces away from the human eye, and is used to display the image that is intended to be presented in the human eye (3). Light rays containing image information are obliquely incident on the semi-reflective and semi-transparent plane (2) of the ultramicrostructure. The size of the micro-display (1) is about 1cm*1cm, and an approximate value can be selected according to the configuration of the product. The certain angle ranges from 0 to 90 degrees.

[0021...

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Abstract

The invention provides an augmented reality type near-eye display system based on an ultra-structural plane. The system utilizes ultra-structural diffractive optical elements, so that the plane thickness can be on the order of micrometers, thereby greatly reducing the size of the near-eye display system. The structure is simple, only two parts of a micro-display and the ultra-structural plane areneeded. The appearance of the system is similar to glasses. The system can also observe the external environment while seeing the image displayed by the micro-display. The system changes the propagation direction of light by the diffractive optical elements based on the ultra-structure of the plane, so as to realize the function of reflecting and concentrating obliquely incident light to human eyes, thereby achieving the purpose of reducing the size of the near-eye display system. Compared with the existing near-eye display systems, the near-eye display system of the invention is simple in structure, small in size, light in weight, high in stability. The appearance is close to ordinary glasses, and the function of augmented reality can be realized.

Description

technical field [0001] The invention relates to the technical field of optical devices and system design, in particular to a near-eye display system. Background technique [0002] Near-eye display systems usually use an optical magnification component to magnify the image of the microdisplay, and form an enlarged virtual image at the human eye in an off-axis form, so that people can see the enlarged image. The optical magnification display device of the traditional near-eye display system uses geometric optical elements such as lenses, mirrors, and optical waveguides to converge light to the human eye. For example, a reflection device or a free-form surface mirror spliced ​​by multiple facet mirrors in different directions can reflect and converge the light emitted by the microdisplay into human eyes. Wherein, the light-emitting surface of the micro-display faces away from the human eyes and obliquely incidents the light on the reflecting device, and the reflecting surface ...

Claims

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Application Information

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IPC IPC(8): G02B27/01
CPCG02B27/0172
Inventor 肖君军张丁月秦菲菲刘真真
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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