Liquid crystal lens zoom processing method and system

Abstract

The invention discloses a liquid crystal lens zoom processing method and system. The method comprises the steps: obtaining the maximum optical path difference and the minimum optical path difference of a liquid crystal lens, and calculating the optical path difference variation which is the difference value between the maximum optical path difference and the minimum optical path difference; dividing the optical path difference variation into N equal parts according to preset focal length adjustment precision, obtaining N + 1 optical path differences by taking the optical path difference variation / N as a step length, and obtaining a focal length corresponding to each optical path difference; and according to the optical path difference distribution curve corresponding to the focal length, simulating each group of driving voltage corresponding to each focal length so as to establish a focal length-voltage lookup table. The preset focal length and the driving voltage established by the method have high focal length adjustment precision when the target object is observed in a close range, the focal length adjustment precision is reduced along with increasing of the distance between the target object and the human eyes, and the method is more in line with general human eye visual features.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a liquid crystal lens zoom processing method and system. Background technique [0002] At present, for near-eye display devices, stereoscopic vision is formed based on two slightly different images received by the left and right eyes. When the lens of the human eye adjusts its convexity to make the object image clearly on the retina, the focusing distance is at the same point as that of the eyes. The convergence distances on the objects are not exactly equal, so it often causes users to feel dizzy and other uncomfortable feelings, and the use of variable focus liquid crystal lens technology can effectively alleviate the conflict of visual vergence adjustment. [0003] In order to make the liquid crystal lens have better converging ability, usually at least one of the upper and lower substrates of the liquid crystal lens contains several or even dozens of independently driven el...

AI Technical Summary

Problems solved by technology

[0008] For this reason, an object of the present invention is to propose a kind of liquid crystal lens zoom processing method, to solve the problem that the focal length-voltage look-up table established in the prior art does not conform to the general human visual characteristics

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