US 12,216,379 B2
Liquid crystal lens, goggles, electronic product, and liquid crystal lens driving method
Wenbin Feng, Chengdu (CN); Zhiqiang Liu, Chengdu (CN); and Bin Wang, Chengdu (CN)
Assigned to CHENGDU YETA TECHNOLOGY CO., LTD., Chengdu (CN)
Filed by CHENGDU YETA TECHNOLOGY CO., LTD., Chengdu (CN)
Filed on Mar. 12, 2023, as Appl. No. 18/182,354.
Claims priority of application No. 202210247667.6 (CN), filed on Mar. 14, 2022.
Prior Publication US 2023/0288775 A1, Sep. 14, 2023
Int. Cl. G02F 1/29 (2006.01); G02C 7/08 (2006.01)
CPC G02F 1/294 (2021.01) [G02C 7/083 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A liquid crystal lens, comprising a liquid crystal layer, a first electrode layer, a second electrode layer, a first transparent substrate, and a second transparent substrate, the first electrode layer and the second electrode layer being respectively arranged at two opposite sides of the liquid crystal layer, the first transparent substrate being arranged at one side of the first electrode layer that is opposite to the liquid crystal layer, the second transparent substrate being arranged at one side of the second electrode layer that is opposite to the liquid crystal layer;
the second electrode layer comprising multiple electrode units, the multiple electrode units being arranged sequentially from a position adjacent to a center of the second electrode layer toward a position away from the center of the second electrode layer, each of the electrode units comprising at least one conductive line, the conductive line being extended from a first position of the electrode unit to a second position of the electrode unit, a distance between the second position and the center of the second electrode layer being greater than a distance between the first position and the center of the second electrode layer, a spacing distance between adjacent conductive lines being less than or equal to 100 μm, the conductive line having an end driven by a first driving voltage and an opposite end driven by a second driving voltage, the spacing distances between adjacent ones of the conductive lines are identical, the width of every part of the conductive line is made the same, the electrode units comprise one conductive line, and the conductive line comprises multiple intermediate connection sections and multiple concentric circular rings, adjacent ones of the concentric circular rings being connected by means of the intermediate connection sections.