Augmented reality glasses
An augmented reality and glasses technology, applied in the field of augmented reality glasses, can solve the problems of not displaying content, virtual image convergence adjustment conflicts, image distortion, etc., to achieve a large focus range, avoid convergence adjustment conflicts, and improve visibility. range effect
Inactive Publication Date: 2022-04-12
ACER INC
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Problems solved by technology
[0003] However, the current augmented reality technology still has a lot of room for improvement. For example, when the virtual image interacts with the actual object, it cannot focus on the human eye at the same time, and even the virtual image itself may have a vergence-accommodation conflict (VAC) question
Specifically, when the image light provided by the virtual reality device enters both eyes, the left and right eyes will respectively focus on the virtual image imaged by the left eye and the virtual image imaged by the right eye, however, the brain will look directly at the intersection of the two eyes It is regarded as the position of the image. When the focusing position of the eyes is different from the intersection position of the eyes looking directly at the line of sight, it will confuse the human brain and easily cause dizziness. This is the VAC phenomenon.
[0004] In addition, since augmented reality technology belongs to near-eye display optics, if the visual range (Eye box) is smaller than the pupil of the eye, the image you see may appear distorted, display wrong colors, or even not display the content
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[0040] refer to Figure 1A , which shows a schematic diagram of the visual behavior of the human eye. exist Figure 1A In this method, similar to the working principle of augmented reality glasses, the image source provides image beams to the eyes EY1 and EY2 respectively. It should be noted here that, for the sake of clarity, the Figure 1A The image source and the image beam incident on the eye are shown in , and only the optical path corresponding to the virtual image generated by the image beam is shown. In this example, the image light beam causes the eyes EY1 and EY2 to converge at the position VP1 (that is, the direct sight lines of the eyes EY1 and EY2 meet at the position VP1), and the user's brain thinks that the image is seen at the position VP1. However, the eyes EY1 and EY2 focus on positions IG1 and IG2 respectively. It can be seen that the monocular focusing distance AD1 of the binoculars EY1 and EY2 is different from the binocular vergence distance VD1 . Beca...
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A pair of augmented reality glasses is used for being worn in front of eyes of a user and comprises at least one image source and a plurality of reflecting mirrors. The at least one image source is arranged to provide at least one image beam to the eye, wherein the at least one image beam has a plurality of sub-beams. The plurality of reflectors are arranged on the path of at least one image light beam so as to reflect the sub light beams respectively. At least one image light beam has at least one first width before entering the reflectors and has at least one second width after being reflected by the reflectors, and the at least one second width is larger than the at least one first width.
Description
technical field [0001] The invention relates to an optical device, in particular to an augmented reality glasses. Background technique [0002] With the advancement of display technology, augmented reality (augmented reality) display technology is gradually popularized and widely used in people's lives. Augmented reality technology enables human eyes to see real objects and virtual images at the same time, and virtual images can interact with real objects. [0003] However, the current augmented reality technology still has a lot of room for improvement. For example, when the virtual image interacts with the actual object, it cannot focus on the human eye at the same time, and even the virtual image itself may have a vergence-accommodation conflict (VAC) question. Specifically, when the image light provided by the virtual reality device enters both eyes, the left and right eyes will respectively focus on the virtual image imaged by the left eye and the virtual image imaged...
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IPC IPC(8): G02B27/01
Inventor 邱奕荣黄士挺李彦贤涂宗伟石维国
Owner ACER INC