Electrostatically actuated device

Abstract

The present disclosure relates to an electrostatically actuated device comprising at least one electrode chamber extending along a direction of extension between a first electrode chamber end including at least one first fluid channel, and a second electrode chamber end including at least one second fluid channel. The at least one electrode chamber includes at least one lateral electrode extending laterally along the direction of extension, and is adapted to receive a deformable electrode configured to cooperate with the at least one lateral electrode such as to be actuated between at least a first position and a second position, to push reversely a volume of fluid through at least one channel chosen between the at least one first fluid channel, and the at least one second fluid channel. The invention present disclosure also relates to spectacles comprising such electrostatically actuated device

1 . An electrostatically actuated device comprising at least one electrode chamber; said at least one electrode chamber extending along a direction of extension between a first electrode chamber end and a second electrode chamber end, wherein:
 the first electrode chamber end comprises at least one first fluid channel emerging outwardly and configured to allow the passage of a fluid;   the second electrode chamber end comprises at least one second fluid channel emerging outwardly configured to allow the passage of a fluid;   the at least one electrode chamber comprises at least one lateral electrode extending laterally along the direction of extension;   the at least one electrode chamber being adapted to receive a deformable electrode, said deformable electrode being configured to cooperate with the at least one lateral electrode such as to be actuated between at least a first position and a second position;   said deformable electrode being configured to push reversely a volume of fluid through at least one channel chosen between the at least one first fluid channel, and the at least one second fluid channel when the deformable electrode is actuated between the at least first position and the second position.   
     
     
         2 . The electrostatically actuated device according to  claim 1 , wherein the deformable electrode is disposed in at least one electrode chamber such as to partition the at least one electrode chamber in a first electrode compartment, and a second electrode compartment. 
     
     
         3 . The electrostatically actuated device according to  claim 1 , wherein a dimension of the at least one electrode chamber is smaller than 600 μm. 
     
     
         4 . The electrostatically actuated device according to  claim 1 , wherein the at least one lateral electrode comprises an insulating layer configured to electrically insulate at least partially the at least one lateral electrode from the deformable electrode. 
     
     
         5 . The electrostatically actuated device according to  claim 1 , wherein the at least one electrode chamber comprises two lateral electrodes disposed opposite to each other compared to the deformable electrode. 
     
     
         6 . The electrostatically actuated device according to  claim 1 , wherein the at least one lateral electrode comprises a printed circuit board. 
     
     
         7 . The electrostatically actuated device according to  claim 6 , wherein the at least one lateral electrode presents a roughness index inferior to 1 μm, and more particularly inferior to 50 nm. 
     
     
         8 . The electrostatically actuated device according to  claim 1 , comprising:
 at least one first chamber comprising a first primary fluid passage; said first primary fluid passage emerging outwardly;   at least one second chamber distinct from the at least one first chamber and comprising a second primary fluid passage; said second primary fluid passage emerging outwardly;   the at least one electrode chamber being disposed between the at least one first chamber and the at least one second chamber, the at least one first fluid channel being configured to allow the passage of a fluid between the at least one electrode chamber and the at least one first chamber, and the at least one second fluid channel being configured to allow the passage of a fluid between the at least one electrode chamber and the at least one second chamber.   
     
     
         9 . The electrostatically actuated device according to  claim 8 , wherein the at least one electrode chamber comprises a first partition wall defined adjacent to the at least one first chamber and a second partition wall defined adjacent to the at least one second chamber, said first partition wall comprising the at least one first fluid channel, and said second partition wall comprising the at least one second fluid channel. 
     
     
         10 . The electrostatically actuated device according  claim 9 , wherein at least one partition wall chosen between the first partition wall and the second partition wall is formed by pillars disposed between two lateral electrodes. 
     
     
         11 . The electrostatically actuated device according  claim 9 , wherein the first partition wall is disposed opposite to the second partition wall compared to the deformable electrode. 
     
     
         12 . The electrostatically actuated device according to  claim 9 , comprising a plurality of electrode chambers, each of the first partition wall of each electrode chamber of the plurality of electrode chambers comprises at least one first fluid channel configured to allow the passage of a fluid to a unique first chamber, the unique first chamber being common to the plurality of electrode chambers, and wherein each of the second partition wall of each electrode chamber of the plurality of electrode chambers comprises at least one second fluid channel configured to allow the passage of a fluid to a unique second chamber, the unique second chamber being common to the plurality of electrode chambers. 
     
     
         13 . The electrostatically actuated device according to  claim 12 , wherein each electrode chamber of the plurality of electrode chambers are stacked adjacent to each other. 
     
     
         14 . The electrostatically actuated device according to  claim 13 , wherein each electrode chamber of the plurality of electrode chambers are stacked to any other adjacent electrode chamber of the plurality of electrode chambers along one among the at least one lateral electrode. 
     
     
         15 . The electrostatically actuated device according to  claim 12 , wherein each electrode chamber share at least one lateral electrode with any other adjacent electrode chamber. 
     
     
         16 . The electrostatically actuated device according to  claim 12 , wherein each deformable electrode comprised in each electrode chamber of the plurality of electrode chambers is actuated individually compared to any other deformable electrode. 
     
     
         17 . The electrostatically actuated device according to  claim 12 , wherein the plurality of electrode chambers comprises a first electrode chamber delimiting a primary internal volume and a second electrode chamber delimiting a secondary internal volume, said primary internal volume being strictly different from said secondary internal volume. 
     
     
         18 . Spectacles comprising an electrostatically actuated device according to  claim 1 . 
     
     
         19 . The electrostatically actuated device according to  claim 3 , wherein a dimension of the at least one electrode chamber is smaller than 600 μm. 
     
     
         20 . The electrostatically actuated device according to  claim 19 , wherein the at least one lateral electrode comprises an insulating layer configured to electrically insulate at least partially the at least one lateral electrode from the deformable electrode.