Optical system and augmented reality device
A technology of optical system and light, applied in the direction of optics, optical components, instruments, etc., can solve the problem that user privacy cannot be guaranteed, and achieve the effect of privacy protection
Pending Publication Date: 2019-02-26
SHENZHEN HUYNEW TECH CO LTD
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Problems solved by technology
[0006] The purpose of the present invention is to provide an optical system to solve the technical problem that the user's privacy cannot be guaranteed in the prior art
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[0064] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0065]It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features....
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The present invention relates to the technical field of augmented reality and provides an optical system and an augmented reality device. The optical system includes an image unit, a first polarization unit and a second polarization unit which are sequentially disposed along an optical path, the image unit is used for emitting image light, the first polarizing unit is used for at least reflectingimage light, and the second polarization unit is used for reflecting the image light and allowing the transmission of external light. The image light reflected by the second polarization unit and theexternal light transmitted through the second polarization unit reach the first polarization unit and are transmitted through the first polarization unit to enter eyes of a user. Since the second polarization unit reflects the image light and transmits the external light, the image light reflected by the first polarization unit cannot be transmitted through the second polarization unit to an external environment after reaching the second polarization unit, therefore, an outside person cannot view a virtual image generated by the image unit, and the protection of the privacy of the user is ensured.
Description
technical field [0001] The present invention relates to the technical field of augmented reality, and more specifically relates to an optical system and augmented reality equipment. Background technique [0002] With the development of science and technology, more and more display devices are widely used in people's daily life and work, bringing great convenience to people's daily life and work, and becoming an indispensable tool for people today. Among them, augmented reality (Augmented Reality, referred to as AR) technology, as a new technology combining optics, electronics, software interaction and other fields, has also developed by leaps and bounds. [0003] Augmented reality (Augmented Reality, referred to as AR) is a technology that combines virtual images and real scenes in real time. The image information transmitted on the optical path is fused at the human eye, so that the human eye can simultaneously obtain the mixed image of the real world scene information and...
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Login to View More IPC IPC(8): G02B27/01G02B27/28
CPCG02B27/0101G02B27/283G02B27/286G02B2027/0114
Inventor 张韦韪刘海峰江泽俊
Owner SHENZHEN HUYNEW TECH CO LTD