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Display device and arrangement method thereof

A technology of display equipment and spectroscopic device, applied in optical components, instruments, optics, etc., can solve problems such as reducing the comfort of using head-mounted displays

Active Publication Date: 2021-04-13
LENOVO (BEIJING) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the user uses this head-mounted display, it will cause the user to experience dizziness, nausea and even headaches when observing scenes that are relatively close to the user, which greatly reduces the comfort of the head-mounted display.

Method used

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  • Display device and arrangement method thereof
  • Display device and arrangement method thereof
  • Display device and arrangement method thereof

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Embodiment Construction

[0022] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. It should be understood, however, that these descriptions are exemplary only, and are not intended to limit the scope of the present disclosure. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present disclosure.

[0023] The terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting of the present disclosure. The words "a", "an" and "the" used herein shall also include the meanings of "plurality" and "multiple", unless the context clearly indicates otherwise. In addition, the terms "comprising", "comprising", etc. used herein indicate the existence of stated features, steps, operations and / or components, but do not exclude the existence or addition of one or more other features, steps, operations or compo...

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Abstract

An embodiment of the present disclosure provides a display device, including: a light source, a light splitting device, a first image source, a second image source, and an image synthesis device. The light splitting device is located in front of the light source, and is used for splitting the light emitted from the light source into a first light ray and a second light ray. The first image source is located on the optical path of the first light, and is used for modulating the first light to project a first image to be displayed on the first focal plane. The second image source is located on the optical path of the second ray for modulating the second ray to project a second image to be displayed on the second focal plane, wherein the focal length of the first focal plane is longer than that of the second focal plane Short focal length. The image synthesizing device is located in front of the projection of the first image and the second image, and is used for synthesizing the first image and the second image into a synthetic image and displaying it to the user. A method for arranging the above-mentioned display device is also provided.

Description

technical field [0001] The present disclosure relates to the field of imaging, and in particular to display devices and methods of arranging them. Background technique [0002] Portable displays, such as head-mounted displays, are becoming more and more popular. Including augmented reality glasses and virtual reality helmets, the optical systems used by the head-mounted displays currently on the market are all single-focal plane, that is, there is only one virtual image formed by the optical system in front of the user's eyes, and the virtual image and The user distance is fixed. When the user uses the head-mounted display, the user may experience dizziness, nausea or even headaches when observing scenes that are relatively close to the user, which greatly reduces the comfort of the head-mounted display. [0003] Therefore, there is a need for a display that enables a user to comfortably observe scenes at different distances. Contents of the invention [0004] An aspect...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B27/01G02B27/28
CPCG02B27/0172G02B27/283
Inventor 吕向博李建国
Owner LENOVO (BEIJING) LTD
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