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Low crosstalk integrated imaging three-dimensional display method based on microlens array group

A technology of microlens array and lens array, which is applied in the direction of optical components, optics, instruments, etc., can solve the problem of image crosstalk and viewing range, and achieve the effect of increasing the observable range, reducing the number of light rays, and improving the utilization rate of light energy

Inactive Publication Date: 2014-08-27
NANKAI UNIV
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of image crosstalk and small viewing range existing in the existing integrated imaging device, and to provide an integrated imaging three-dimensional display method of a microlens array group

Method used

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  • Low crosstalk integrated imaging three-dimensional display method based on microlens array group
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  • Low crosstalk integrated imaging three-dimensional display method based on microlens array group

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Embodiment

[0048] In this embodiment, the element image to be displayed and the lens array respectively include image elements and lens elements, the size of the image elements and lens elements are . Focal length of the first lens array =1.43 mm , the focal length of the second lens array . The distance between the display screen where the image of the element is to be displayed and the first lens array =1 mm . The equivalent single-lens array display system is a conventional integrated imaging display system, and its focal length , the distance between the lens array and the element image , derived from formula (1) or (2) m =28 mm .

[0049] as attached Figure 4 As shown, the distances from the display screen to the first lens array are respectively with When , the light emitted by the element image enters the solid angle between the correct lens element (lens number is 0) and the adjacent lens element (non-zero lens number), it can be seen that when the dista...

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Abstract

The invention provides a low crosstalk integrated imaging three-dimensional display method based on a microlens array group. The method involves the double micro lens arrays in a group and a display screen which is to display an element image. The display screen is placed within the one-time focal length in front of the first microlens array, and the second microlens array is placed into the rear position of the first lens array. Due to the fact that the distance between the display screen and the lens arrays is shortened, more light enters the correspondingly correct lens element, the light energy utilization ratio is improved, meanwhile, the light which enters the adjacent lens to form crosstalk is reduced, crosstalk information sources are reduced, crosstalk of integrated images is reduced, and the field angle is enlarged. The second microlens array plays a role in integration, and integrates the magnified element image to be displayed. The element image in the display screen, and the lens elements in the two microlens arrays are in the one-to-one corresponding relation, and the centers are aligned.

Description

technical field [0001] The invention relates to the technical field of integrated imaging three-dimensional display, in particular to an integrated imaging three-dimensional display system with low crosstalk and large field of view. Background technique [0002] Integrated imaging is a full-true three-dimensional stereoscopic display technology that uses a two-dimensional planar periodic array of microlenses to record and reproduce three-dimensional real scenes. It includes two parts: the acquisition of elemental image array and the reproduction of three-dimensional stereoscopic image. In the acquisition part, the three-dimensional scene in the object space is imaged through the microlens array, and the three-dimensional information of different viewing angles is recorded, and the element image array arranged in parallel in the horizontal and vertical directions is obtained. In the reproduction process, the microlens array with the same parameters as the element image is g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/22
Inventor 杨勇王宁孙立勋袁小聪
Owner NANKAI UNIV
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