Automatic addressing laser scanning electrode structure, control method and manufacturing method

A technology of laser scanning and automatic addressing, applied in the field of microelectronics and optics
CN111290181AActive Publication Date: 2020-06-16SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA +1
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
Publication Date
2020-06-16

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Abstract

The invention provides an automatic addressing laser scanning electrode structure comprising a substrate. A liquid crystal layer is arranged above the substrate, an electrode control array panel is arranged above the liquid crystal layer, and a plurality of conductive driving electrodes are arranged on the electrode control array panel, so that the on-off state and the applied voltage of each driving electrode can be independently controlled; and the driving electrodes are respectively connected with a master controller. The invention provides an effective laser deflection technical scheme capable of being regulated and controlled in real time, pixel-level control can be set for the electrode control array, high-precision pixel control is achieved, so that the multifunctional liquid crystal laser scanning device capable of regulating and controlling the deflection angle at any time is achieved.
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Description

technical field

[0001] The invention relates to the fields of microelectronics and optics, in particular to an automatic addressing laser scanning electrode structure, a control method and a manufacturing method. Background technique

[0002] In the design of the liquid crystal waveguide laser scanning device, the design of the deflection electrode has a great influence on the final performance of the device, especially the size of the scanning angle. In this type of device, the refractive index of the liquid crystal is regulated by the driving electrode. By designing the shape of the driving electrode (such as a triangle), the liquid crystal layer of the part driven by the electrode forms a refractive index difference with the surrounding liquid crystal that is not driven by voltage and is in contact with the designed electrode. corresponding to the shape. When the laser light transmitted in the light guide layer passes through this region, it is deflected at a certain ang...

Claims

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