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Optical system and projector

An optical system and relationship technology, applied in the imaging field, can solve the problems of large volume and heavy weight of the optical system, and achieve the effect of reducing the volume, reducing the weight and solving the large volume.

Active Publication Date: 2020-10-13
GOERTEK OPTICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides an optical system and a projection device, aiming to solve the problem of large volume and heavy weight of the optical system in the augmented reality equipment in the prior art

Method used

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0035] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

[0036] In addition, in t...

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Abstract

The invention discloses an optical system and a projection device. The optical system sequentially comprises a display unit, a first lens group and a steering lens along a light transmission direction, wherein the first lens group has positive focal power; the light incident surface and / or the light emergent surface of the steering mirror are / is of a curved surface structure. The invention provides the optical system and projection device, and aims to solve the problems of large size and heavy weight of an optical system in augmented reality equipment in the prior art.

Description

technical field [0001] The invention relates to the field of imaging technology, in particular to an optical system and a projection device. Background technique [0002] Wearable devices are a new development direction in the field of optoelectronic imaging, and augmented reality devices, as augmented reality devices in wearable devices, are gradually developing in the direction of light weight and miniaturization. [0003] In the existing AR equipment, the optical system is the main working part of the AR equipment. The optical system is composed of a display unit and a mirror group. The light emitted by the display unit is transmitted to the human eye after the action of the mirror group. For imaging quality, the lens group in AR devices usually needs to be combined with multiple lenses. When the number of lenses is large, the size and weight of the AR device will increase. [0004] The above content is only used to assist in understanding the technical solution of the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/14G03B21/20G02B26/08G02B13/18G02B13/00
CPCG03B21/142G02B26/0816G02B13/0035G02B13/18G03B21/2033
Inventor 陈朋波
Owner GOERTEK OPTICAL TECH CO LTD
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