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Step type lens grating and three-dimensional display system

A lens grating and three-dimensional display technology, applied in the direction of diffraction grating, optics, optical elements, etc., can solve the problems of uneven resolution and affecting the viewing effect, and achieve the effect of uniform overall resolution

Inactive Publication Date: 2018-11-06
深圳市慧眼实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, due to the elongated lens shape of the cylindrical lens grating, the resolution in the horizontal direction will decrease as the number of viewpoints increases, and the resolution in the vertical direction will hardly lose, resulting in uneven resolution and affecting the viewing effect

Method used

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  • Step type lens grating and three-dimensional display system

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Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] An embodiment of the present invention provides a stepped lenticular grating. The stepped lenticular grating is formed by splicing at least two layers of cylindrical lens gratings along the optical axis. Each layer of cylindrical lens gratings contains a plurality of identical cylindrical lenses. The plurality of cylindrical lenses in the cylindrical lens grating...

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Abstract

The embodiment of the invention provides a step type lens grating and a three-dimensional display system. The step type lens grating is formed b splicing at least two layers of cylindrical lens gratings in an optical axial direction, each layer of cylindrical lens grating includes a plurality of identical cylindrical lenses, the plurality of cylindrical lenses in each layer of cylindrical lens grating are arranged in one-to-one correspondence with a plurality of cylindrical lenses in an adjacent cylindrical lens grating, and distance between optical axes of two corresponding cylindrical lensesin two adjacent layers of cylindrical lens gratings is a first preset distance. The optical axes of the two corresponding cylindrical lenses in the two adjacent layers of cylindrical lens grating inthe step type lens grating are staggered at a certain distance, and during three-dimensional display, the resolution of the step type lens grating in a vertical direction is reduced, so that the overall resolution of the step type lens grating is uniform.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of three-dimensional display, and more specifically, relate to a stepped lenticular grating and a three-dimensional display system. Background technique [0002] With the rapid development of science and technology and the rapid increase of information, more and more industries, such as medical imaging, military command, satellite mapping and space exploration, are no longer satisfied with the plane information provided by two-dimensional display, but require the realization of Accurate 3D data acquisition, efficient 3D data processing and realistic 3D display. [0003] In the three-dimensional display technology, a light control structure is required to control the direction of the light emitted from the two-dimensional display. Cylindrical lens gratings are composed of closely arranged periodic cylindrical lenses, which have the function of spatially splitting and controlling light. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/22G02B5/18
CPCG02B5/1814G02B5/1842G02B5/1866G02B30/27G02B2005/1804
Inventor 于迅博高鑫刘博阳刘立高超杨神武
Owner 深圳市慧眼实业有限公司
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