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Projection equipment and method

A kind of projection equipment and projection technology, which is applied in the direction of using projection devices, image reproducers, instruments, parts of color TVs, etc.

Active Publication Date: 2021-05-21
NINGBO SUNNY AUTOMOTIVE OPTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such image projection equipment has some shortcomings in terms of field of view, etc.

Method used

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  • Projection equipment and method
  • Projection equipment and method
  • Projection equipment and method

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Embodiment Construction

[0029] For a better understanding of the application, various aspects of the application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are descriptions of exemplary embodiments of the application only, and are not intended to limit the scope of the application in any way. Throughout the specification, the same reference numerals refer to the same elements. The expression "and / or" includes any and all combinations of one or more of the associated listed items.

[0030] It should be noted that in this specification, expressions of first, second, third, etc. are only used to distinguish one feature from another, and do not represent any limitation on the features. Accordingly, the first image light discussed hereinafter may also be referred to as the second image light without departing from the teachings of the present application. vice versa.

[0031] In the drawings, the thickness, size...

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Abstract

The invention provides projection equipment and method. The projection equipment includes: a light source; a spatial light modulator that receives the light emitted from the light source and loads an image onto the light received from the light source to emit image light; and a holographic film which receives the image light and diffracts the received image light into a target image.

Description

technical field [0001] The present application relates to the field of image data processing and generation, and more specifically, to a projection device and a projection method. Background technique [0002] Image projection is widely used in many fields. For example, in the field of vehicle display, the head-up display (HUD) realized by image projection has gradually attracted the attention of the market. The application of HUD can enable the driver to obtain vehicle-related information (such as vehicle speed, gear position, engine speed, etc.) without taking his eyes off the current driving environment. When combined with virtual reality (VR) technology or augmented reality (AR) technology, VR-HUD and AR-HUD can also be realized to facilitate driving. Most traditional image projection devices use digital micromirror devices (DMDs) to generate images, and project them directly onto the windshield after passing through a lens group. Such an image projection device has s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/20H04N9/31
CPCG03B21/2066G03B21/2006H04N9/3197
Inventor 吴尚亮谢前森郎海涛王一峰
Owner NINGBO SUNNY AUTOMOTIVE OPTECH