projector
By employing a separate and fixed structure for the light source device, image generation unit, optical path changing device, and projection optical device in the projector, and utilizing a suspension fixing mechanism and multiple holding components to support the optical components, the problem of large-scale device structure is solved, and the miniaturization of the projector and precise optical path adjustment are achieved.
CN116643442BActive Publication Date: 2026-07-03SEIKO EPSON CORP
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SEIKO EPSON CORP
- Filing Date
- 2023-02-20
- Publication Date
- 2026-07-03
AI Technical Summary
Technical Problem
The large size of existing projector devices necessitates the use of fixed bases to hold the projection optics, optical path alteration elements, and optical modulation devices.
Method used
It adopts a separate and fixed structure for the light source device, image generation unit, optical path changing device and projection optical device. The optical components are supported in a swingable manner by a suspension fixing mechanism and multiple holding components, reducing the dependence on the fixed base.
Benefits of technology
This design achieves miniaturization of the projector, improves the positioning accuracy of optical components and the flexibility of optical path adjustment, and reduces the overall weight and size of the device.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN116643442B_ABST
Abstract
A projector is provided, which is small in size. The projector of the present invention includes: a light source device; an image generating unit that modulates light from the light source device to generate image light; a light path changing device that changes the light path of the image light generated by the image generating unit; a projection optical device that projects the image light whose light path has been changed by the light path changing device. The image generating unit includes: a light modulation device that modulates light from the light source device according to image information to generate image light; a first holding unit that holds the light modulation device; the light path changing device includes: an optical component into which the image light emitted from the image generating unit is incident; an optical support unit that supports the optical component so that it can swing; a second holding unit that holds the optical support unit; the projection optical device includes: a projection optical system into which light from the light path changing device is incident; and a third holding unit that holds the projection optical system. The first holding unit and the second holding unit are fixed to the third holding unit.
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