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An optical system applied to a projection device and a projection device thereof

A projection device and optical system technology, applied in optics, projection devices, instruments, etc., can solve the problems of large volume of optical system and projection device

Pending Publication Date: 2019-01-25
GOERTEK OPTICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to provide an optical system applied to a projection device and the projection device thereof, aiming to solve the problem that the volume of the optical system of the projection device in the prior art is too large, which leads to the problem that the volume of the projection device is too large

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  • An optical system applied to a projection device and a projection device thereof
  • An optical system applied to a projection device and a projection device thereof
  • An optical system applied to a projection device and a projection device thereof

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Embodiment Construction

[0036] 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.

[0037] 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.

[0038] In addition, in t...

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Abstract

The invention discloses an optical system applied to a projection device and a projection device thereof. The optical system applied to the projection device comprises a lens assembly and a light source assembly. The lens assembly comprises a first lens and a second lens. The first working surface of the first lens element and the fourth working surface of the second lens element are of a convex surface structure; The light source includes a first light source and a second light source, wherein light emitted from the first light source is reflected by a second working surface and emitted froma first lens through a third working surface, and light from the second light source is transmitted through the sixth working surface into the first lens and emitted from the first lens through the third working surface. The invention provides an optical system applied to a projection device and a projection device thereof, aiming at solving the problem that the volume of the optical system of theprojection device in the prior art is too large, which leads to the volume of the projection device is too large.

Description

technical field [0001] The invention relates to the field of projection imaging, in particular to an optical system applied to a projection device and the projection device thereof. Background technique [0002] The color combining prism is the core optical component in the projection device, which is mainly used to couple multiple light sources, so as to provide color display for the projection device. [0003] Augmented reality (Augmented Reality, AR) devices usually use projection imaging to present images of the virtual world at corresponding positions in the real world on the screen. Existing augmented display devices use planar optical system devices applied to projection devices. The coupling function of the color light source also needs to add an imaging lens or a light source regulator to realize the function of augmented reality. The additional imaging lens or light source adjuster will cause the optical system inside the projection device to be complex, resulting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/14G03B21/20
CPCG03B21/142G03B21/2013
Inventor 赵东峰高震宇董立超张楠楠王晓燕李博睿李莹杜凯凯
Owner GOERTEK OPTICAL TECH CO LTD