Dimming module and method for manufacturing the same, and dimming glass
A dimming module and method for manufacturing the same, and a dimming glass, relate to the field of smart glass technology. The dimming module includes: a first dimming structure ( 10 ) and a second dimming structure ( 20 ). Each of the first dimming structure ( 10 ) and the second dimming structure ( 20 ) includes a first substrate ( 1 ), a second substrate ( 2 ) and a liquid crystal layer ( 3 ), and a first flexible circuit board ( 4 ) and a second flexible circuit board ( 5 ). The first substrate ( 1 ) is provided with a first binding area ( 11 ), and a first electrode ( 6 ) on one side facing the liquid crystal layer ( 3 ). The second substrate ( 2 ) is provided with a second binding area ( 21 ), and a plurality of second electrodes ( 7 ) on one side facing the liquid crystal layer ( 3 ).
1. A dimming module, comprising a first dimming structure and a second dimming structure distributed in a laminated manner, wherein
each of the first dimming structure and the second dimming structure comprises: a first substrate, a second substrate, a liquid crystal layer between the first substrate and the second substrate, a first flexible circuit board, and a second flexible circuit board; wherein
the first substrate is provided with a first binding area, and a first electrode on one side of the first substrate facing the liquid crystal layer, the first electrode being a planar structure in one piece, one end of the first flexible circuit board being bound to the first binding area to be electrically connected to the first electrode; and
the second substrate is provided with a second binding area, and a plurality of second electrodes distributed in an array on one side of the second substrate facing the liquid crystal layer, the plurality of second electrodes extending in a column direction, one end of the second flexible circuit board being bound to the second binding area to be electrically connected to the plurality of the second electrodes; and
wherein, in a lamination direction, the plurality of second electrodes in the first dimming structure are in a one-to-one correspondence with the plurality of second electrodes in the second dimming structure;
wherein the first dimming structure comprises a plurality of second flexible circuit boards; and
the second substrate is provided with a plurality of second binding areas in a one-to-one correspondence with the plurality of second flexible circuit boards, the plurality of second electrodes being divided into a plurality of groups of second electrodes in a one-to-one correspondence with the plurality of second flexible circuit boards, one second flexible circuit board among the plurality of second flexible circuit boards being bound to the corresponding second binding area to be electrically connected to the corresponding group of second electrodes.
2. The dimming module of claim 1 , wherein the first substrate of the first dimming structure is on one side of the first dimming structure close to the second dimming structure, and the first substrate of the second dimming structure is on one side of the second dimming structure close to the first dimming structure; or
the first substrate of the first dimming structure is on one side of the first dimming structure away from the second dimming structure, and the first substrate of the second dimming structure is on one side of the second dimming structure away from the first dimming structure.
3. The dimming module of claim 1 , wherein the first substrate has a notch at an edge of the first substrate, the first substrate forming the first binding area at the notch, and one end of the first flexible circuit board being bound within the notch.
4. The dimming module of claim 3 , wherein the first substrate is rectangular in shape, and the second electrode has a length direction perpendicular to one side edge of the first substrate; and
the first substrate of the first dimming structure and the first substrate of the second dimming structure have respective notches at same end positions of side edges on a same side perpendicular to the length direction of the second electrode.
5. The dimming module of claim 3 , wherein the first substrate is rectangular in shape, and the second electrode has a length direction perpendicular to one side edge of the first substrate; and
the first substrate of the first dimming structure and the first substrate of the second dimming structure have respective notches at middle positions of side edges on a same side perpendicular to the length direction of the second electrode.
6. The dimming module of claim 1 , wherein the first substrate has a blind hole on a surface of the first substrate close to the liquid crystal layer, the first electrode covering a wall of the blind hole, the first substrate forming the first binding area within the blind hole, and one end of the first flexible circuit board being bound within the blind hole.
7. The dimming module of claim 1 , wherein the plurality of second flexible circuit boards, to which the plurality of groups of second electrodes in the first dimming structure are connected, are configured to electrically connect to different driving circuits; and
second flexible circuit boards connected to two groups of second electrodes are configured to a same driving circuit, the two groups of second electrodes in the first dimming structure and the second dimming structure, respectively, and corresponding to each other.
8. A dimming glass, comprising a dimming module comprising a first dimming structure and a second dimming structure distributed in a laminated manner, wherein
each of the first dimming structure and the second dimming structure comprises: a first substrate, a second substrate, a liquid crystal layer between the first substrate and the second substrate, a first flexible circuit board, and a second flexible circuit board; wherein
the first substrate is provided with a first binding area, and a first electrode on one side of the first substrate facing the liquid crystal layer, the first electrode being a planar structure in one piece, one end of the first flexible circuit board being bound to the first binding area to be electrically connected to the first electrode; and
the second substrate is provided with a second binding area, and a plurality of second electrodes distributed in an array on one side of the second substrate facing the liquid crystal layer, the plurality of second electrodes extending in a column direction, one end of the second flexible circuit board being bound to the second binding area to be electrically connected to the plurality of the second electrodes; and
wherein, in a lamination direction, the plurality of second electrodes in the first dimming structure are in a one-to-one correspondence with the plurality of second electrodes in the second dimming structure;
wherein the first dimming structure comprises a plurality of second flexible circuit boards; and
the second substrate is provided with a plurality of second binding areas in a one-to-one correspondence with the plurality of second flexible circuit boards, the plurality of second electrodes being divided into a plurality of groups of second electrodes in a one-to-one correspondence with the plurality of second flexible circuit boards, one second flexible circuit board among the plurality of second flexible circuit boards being bound to the corresponding second binding area to be electrically connected to the corresponding group of second electrodes.
9. The dimming glass of claim 8 , wherein the first substrate of the first dimming structure is on one side of the first dimming structure close to the second dimming structure, and the first substrate of the second dimming structure is on one side of the second dimming structure close to the first dimming structure; or
the first substrate of the first dimming structure is on one side of the first dimming structure away from the second dimming structure, and the first substrate of the second dimming structure is on one side of the second dimming structure away from the first dimming structure.
10. The dimming glass of claim 8 , wherein the first substrate has a notch at an edge of the first substrate, the first substrate forming the first binding area at the notch, and one end of the first flexible circuit board being bound within the notch.
11. The dimming glass of claim 10 , wherein the first substrate is rectangular in shape, and the second electrode has a length direction perpendicular to one side edge of the first substrate; and
the first substrate of the first dimming structure and the first substrate of the second dimming structure have respective notches at same end positions of side edges on a same side perpendicular to the length direction of the second electrode.
12. The dimming glass of claim 10 , wherein the first substrate is rectangular in shape, and the second electrode has a length direction perpendicular to one side edge of the first substrate; and
the first substrate of the first dimming structure and the first substrate of the second dimming structure have respective notches at middle positions of side edges on a same side perpendicular to the length direction of the second electrode.
13. The dimming glass of claim 8 , wherein the first substrate has a blind hole on a surface of the first substrate close to the liquid crystal layer, the first electrode covering a wall of the blind hole, the first substrate forming the first binding area within the blind hole, and one end of the first flexible circuit board being bound within the blind hole.
14. The dimming glass of claim 8 , wherein the plurality of second flexible circuit boards, to which the plurality of groups of second electrodes in the first dimming structure are connected, are configured to electrically connect to different driving circuits; and
second flexible circuit boards connected to two groups of second electrodes are configured to a same driving circuit, the two groups of second electrodes in the first dimming structure and the second dimming structure, respectively, and corresponding to each other.