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VR device

A technology of virtual reality and focus position, which is applied in the field of virtual reality and can solve problems such as visual fatigue

Active Publication Date: 2017-09-08
SUPERD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a virtual reality device, which is used to solve the technical problem of easy visual fatigue when using the existing virtual reality device

Method used

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Embodiment Construction

[0027] A virtual reality device provided by an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0028] The visual optical system of the virtual reality device can be understood as the human eye observes the image displayed on the display screen through an optical lens. The display screen is the object observed by the user. The optical lens is equivalent to a magnifying glass. When the distance between the object and the optical lens is less than When the focal length of the optical lens is used, that is, when the display screen is placed within the focal length of the optical lens, the display screen presents a magnified virtual image through the optical lens. In order to reduce the dizziness of the user when using a virtual reality device (such as a virtual helmet), when the user observes the virtual image formed on the display screen through an optical lens, the virtual image formed on the display screen must...

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Abstract

The invention discloses a VR (Virtual Reality) device capable of being applied to the technical field of virtual reality. The VR device includes an optical lens and a display screen arranged opposite to the optical lens. The display screen is arranged between the focal point of the optical lens and the optimal focusing position of the optical lens, wherein the optimal focusing position is a position of a plane with a blur circle having the minimal diameter among blur circles corresponding to a predetermined field angle. When the optical lens and the display screen of the VR device meet the above position relation, images on the display screen can be seen clearly with human eyes without adjustment, so that pressure on human eyes caused by images on the display screen is reduced and eye fatigue caused by long term use of the VR device is avoided.

Description

technical field [0001] The invention relates to the technical field of virtual reality, in particular to a virtual reality device. Background technique [0002] The virtual reality visual optical system is a kind of virtual image that uses the principle of lens imaging to make the image generated by the display screen a magnified virtual image by the optical system. At the same time, by adjusting the parallax of the left and right eyes of the human eye, the user can see the stereoscopic image. [0003] In order to satisfy the user's sense of immersion when using a virtual reality helmet, the virtual reality visual optical system needs to have a large enough field of view angle. At the same time, in order to increase the user's comfort, the virtual reality helmet should have the characteristics of small size and light weight. This requires that the optical system of virtual reality must be compact and lightweight. On the other hand, all the current virtual reality technolog...

Claims

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Application Information

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IPC IPC(8): G02B27/01G02B27/22
CPCG02B27/0172G02B30/27
Inventor 左惟涵陈贵喜郭福忠宋磊
Owner SUPERD CO LTD
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