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Flexible liquid crystal lens array applicable to near-eye display

A lens array and flexible liquid crystal technology, applied in nonlinear optics, optics, instruments, etc., can solve the problems of small field of view, large equipment, and poor immersion, and achieve the goal of increasing field of view, reducing hardware burden, and improving immersion Effect

Inactive Publication Date: 2017-02-01
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problem to be solved by the present invention is that a large number of optical corrections are required in the existing rigid liquid crystal lens array, and the equipment is larger due to optical corrections, but the field of view is small and the immersion is poor

Method used

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  • Flexible liquid crystal lens array applicable to near-eye display
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  • Flexible liquid crystal lens array applicable to near-eye display

Examples

Experimental program
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Effect test

Embodiment 1

[0035] A flexible liquid crystal lens array, its structure includes a flexible substrate 1, a patterned flexible nano metal wire transparent electrode 2, a flexible high-impedance film layer 3, an alignment layer 4, a liquid crystal layer 5, a flexible spacer 6, and an alignment layer from top to bottom. 4. Flexible nanowire transparent electrodes and flexible substrates1. A 1kHz, 2 Vrms square wave is applied between the upper and lower substrates, and the patterned electrodes can generate a gradual electric field distribution, and the liquid crystal molecules in the liquid crystal layer 5 turn and distribute along the direction of the electric field, showing a lens effect. The high impedance layer enables the electric field to be distributed in the patterned electrode area, and the upper and lower substrates and the liquid crystal layer 5 are equivalent to a capacitor structure. By adjusting the potential difference and frequency of the two electrodes at the same time, it wi...

Embodiment 2

[0037] The structure of the flexible liquid crystal lens array includes, from top to bottom, a protective layer 8, a patterned flexible nano metal wire transparent electrode 2, a flexible substrate 1, an alignment layer 4, a liquid crystal layer 5, and a flexible spacer 6, an alignment layer 4, a flexible Nano metal wire transparent electrode, flexible substrate 1. A 1kHz, 30 Vrms square wave is applied between the upper and lower substrates, and the patterned electrodes can generate a gradual electric field distribution, and the liquid crystal molecules in the liquid crystal layer 5 are distributed along the direction of the electric field, showing a lens effect. Adjusting the voltage applied by the upper and lower voltages can change the curvature of the liquid crystal lens.

Embodiment 3

[0039] A flexible liquid crystal lens array, its structure includes a flexible substrate 1, a flexible gate control electrode array, a transparent insulating layer 7 or a transparent protective layer 8, and a flexible liquid crystal control electrode array (the liquid crystal control electrode includes an edge control electrode 13 and a central electrode 13) from top to bottom. Control electrode 12), transparent semiconductor layer 9, transparent insulating layer 7 or transparent protective layer 8, alignment layer 4, liquid crystal layer 5 and flexible spacer 6, alignment layer 4, flexible nano metal wire transparent electrode, flexible substrate 1, compensation capacitance 10.

[0040] The gate control electrode of this liquid crystal lens array component includes gate electrodes 11 and gate wires, and each grid wire connects a plurality of gate electrodes 11 and extends outside the array or the edge of the substrate, so that the gate electrodes 11 and the driving circuit If...

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PUM

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Abstract

The invention provides a flexible liquid crystal lens array applicable to near-eye display. The flexible liquid crystal lens array applicable to near-eye display comprises a flexible substrate, flexible nanometer metal wire electrodes, a flexible gap object, a flexible high impedance film, a driving array and a liquid crystal, wherein the flexible gap object has an accommodation space, the liquid crystal is arranged in the flexible gap object, an upper surface and a lower surface of the flexible gap object are provided with the flexible nanometer metal wire electrodes, the flexible nanometer metal wire electrodes are externally provided with the flexible substrate, the flexible high impedance film is arranged between the flexible gap object and the flexible nanometer metal wire electrodes, and a work voltage is provided by the driving array to the liquid crystal. According to the lens array, a traditional rigid liquid crystal lens array is converted into the flexible array, the array can be bent, so view field enlargement, immersion increase, optical correction reduction and hardware burden reduction are realized, on one hand, the flexible nanometer metal wire electrodes are taken as electrodes, better electrode flexibility is provided while conductivity is further guaranteed, on the other hand, the flexible high impedance film is utilized, and quality of liquid crystal lens imaging can be improved.

Description

technical field [0001] The invention relates to the field of liquid crystal lens arrays, in particular to a flexible liquid crystal lens array applicable to near-eye display. Background technique [0002] At present, with the development of near-eye display, people have higher and higher requirements for visual quality in the fields of augmented reality, virtual reality and mixed reality, and near-eye 3D display has become a research hotspot. In these fields of research, the main research focus is on the research of display devices. [0003] The traditional near-eye 3D display device has a binocular structure, which requires two eyes to receive different images. Since the target imaging distance is not equal to the actual distance of the screen, there is a focus-parallax conflict, which easily makes people feel dizzy and other discomforts. [0004] At present, with the continuous development of integral imaging theory and technology, integral imaging technology has graduall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/01G02B27/22G09F9/30G02F1/1343G02F1/1333G02F1/1339
CPCG02B27/0101G02F1/133305G02F1/1339G02F1/13439G09F9/301G02B2027/011G02B2027/0134G02B30/27
Inventor 杨柏儒邱景燊黄乙白任台翔刘贵师许钰旺谢汉萍
Owner SUN YAT SEN UNIV