Smart glass and light adjusting method thereof, light adjusting device and non-transitory computer storage medium

Patent metadata

Field	Value
Publication number	US-11448916-B2
Application number	US-202117242435-A
Country	US
Kind code	B2
Filing date	Apr 28, 2021
Priority date	Sep 10, 2020
Publication date	Sep 20, 2022
Grant date	Sep 20, 2022

Abstract

The present disclosure provides a smart glass and a light adjusting method, a light adjusting device and a non-transitory computer storage medium. The smart glass includes a first glass module, a touch control layer and a control unit. The first glass module includes a first substrate and a second substrate opposite to each other, and a first light adjusting layer between the first and second substrates. The light transmittance of the first light adjusting layer is adjusted by an electric field between the first substrate and the second substrate. The touch control layer is provided in at least one of the first substrate and the second substrate. The control unit is electrically coupled to the touch control layer to receive a touch control signal output by the touch control layer and adjust the electric field between the first substrate and the second substrate according to the touch control signal.

First claim

What is claimed is:

1. A smart glass, comprising a first glass module, a touch control layer and a control unit; wherein
the first glass module comprises a first substrate and a second substrate opposite to each other, and a first light adjusting layer between the first substrate and the second substrate, wherein light transmittance of the first light adjusting layer is adjusted by an electric field between the first substrate and the second substrate;
the touch control layer is provided in at least one of the first substrate and the second substrate; and
the control unit is electrically coupled to the touch control layer to receive a touch control signal output by the touch control layer and adjust the electric field between the first substrate and the second substrate according to the touch control signal,
wherein the first substrate comprises a first base substrate and a first electrode layer on a side of the first base substrate proximal to the first light adjusting layer, the second substrate comprises a second base substrate and a second electrode layer on a side of the second base substrate proximal to the first light adjusting layer, and the first electrode layer and the second electrode layer are electrically coupled to the control unit, respectively, and
the touch control layer is between the first electrode layer and the first base substrate and/or between the second electrode layer and the second base substrate,
wherein the first electrode layer comprises a plurality of first strip electrodes extending along a first direction and/or the second electrode layer comprises a plurality of second strip electrodes extending along the first direction, and the plurality of first strip electrodes and the plurality of second strip electrodes are electrically coupled to the control unit, respectively,
wherein the touch control layer comprises a plurality of touch control electrodes arranged at intervals; and the smart glass further comprises a plurality of touch control signal lines;
the plurality of touch control signal lines are electrically coupled to the plurality of touch control electrodes in a one-to-one correspondence, the plurality of touch control electrodes are electrically coupled to the control unit via the plurality of touch control signal lines, and the number of the plurality of touch control electrodes is equal to or less than the number of the first strip electrodes and the number of the second strip electrodes.

2. The smart glass of claim 1 , wherein
the first electrode layer comprises a first planar electrode completely covering the first base substrate, the second electrode layer comprises a second planar electrode completely covering the second base substrate, and the first planar electrode and the second planar electrode are respectively electrically coupled to the control unit; and
the touch control layer comprises a touch control electrode electrically coupled to the control unit.

3. The smart glass of claim 1 , wherein an orthographic projection of one of the plurality of touch control electrodes on the first base substrate overlaps with an orthographic projection of at least one of the plurality of first strip electrodes on the first base substrate, and/or an orthographic projection of one of the plurality of touch control electrodes on the second substrate overlaps with an orthographic projection of at least one of the plurality of second strip electrodes on the second base substrate.

4. The smart glass of claim 1 , wherein an orthographic projection of one of the plurality of touch control electrodes on the first base substrate overlaps with an orthographic projection of corresponding one of the plurality of first strip electrodes on the first base substrate, and/or an orthographic projection of one of the plurality of touch control electrodes on the second base substrate overlaps with an orthographic projection of corresponding one of the plurality of second strip electrodes on the second base substrate.

5. The smart glass of claim 4 , wherein the first electrode layer comprises a plurality of first strip electrodes extending along the first direction, the second electrode layer comprises a planar electrode completely covering the second base substrate, and the touch control layer is between the plurality of first strip electrodes and the first base substrate.

6. The smart glass of claim 4 , wherein the first electrode layer comprises a plurality of first strip electrodes extending along the first direction, the second electrode layer comprises a plurality of second strip electrodes extending along the first direction, the touch control layer comprises a first touch control sub-layer comprising a plurality of first touch control electrodes extending along the first direction and a second touch control sub-layer comprising a plurality of second touch control electrodes extending along the first direction, and
the first touch control sub-layer is between the plurality of first strip electrodes and the first base substrate, and the second touch control sub-layer is between the plurality of second strip electrodes and the second base substrate.

7. The smart glass of claim 6 , wherein orthographic projections of the plurality of first strip electrodes on the first base substrate or the second base substrate, orthographic projections of the plurality of second strip electrodes on the first base substrate or the second base substrate, orthographic projections of the plurality of first touch control electrodes on the first base substrate or the second base substrate, and orthographic projections of the plurality of second touch control electrodes on the first base substrate or the second base substrate overlap with each other in one-to-one correspondence.

8. The smart glass of claim 1 , wherein
the first substrate further comprises:
a first insulating layer between the first electrode layer and the touch control layer;
a second insulating layer on a side of the first electrode layer proximal to the first light adjusting layer; and
a first alignment layer on a side of the second insulating layer proximal to the first light adjusting layer,
the second substrate further comprises:
a second alignment layer on a side of the second electrode layer proximal to the first light adjusting layer; and
the smart glass further comprises a spacer in the first light adjusting layer.

9. The smart glass of claim 1 , further comprising a light adjusting region and a non-light adjusting region, wherein
the touch control layer is in the light adjusting region, and the control unit is in one of the first and second substrates and in the non-light adjusting region.

10. The smart glass of claim 9 , further comprising a first transmission line and a sealant, wherein
the first transmission line and the control unit are both in one substrate of the first substrate and the second substrate, the first transmission line surrounds the corresponding electrode layer in the one substrate where the first transmission line is located, and the first transmission line is electrically coupled to the control unit; and
the sealant is between the first substrate and the second substrate and encapsulates the first light adjusting layer, and the sealant comprises a conductive material and is electrically coupled to the first transmission line and the corresponding electrode layer of the other substrate of the first substrate and the second substrate in which the first transmission line is not located.

11. The smart glass of claim 1 , wherein the first light adjusting layer is a dye liquid crystal layer.

12. The smart glass of claim 1 , wherein the plurality of touch control electrod

Assignees

• Beijing Boe Optoelectronics Tech Co Ltd
• Boe Technology Group Co Ltd
• Beijing Boe Technology Dev Co Ltd

Inventors

• Wang Jiaxing
• Yuan Hongliang
• Wu Xiaojuan
• Zheng Qi
• Bi Yao
• Zhao Zhiqiang
• Zhong Xuan
• Cheng Zhangxiang
• Zhang Donghua
• Wang Ce

Classifications

• G02F1/133345

  Insulating layers (G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence) · CPC title

• G06F3/0412

  Digitisers structurally integrated in a display · CPC title

• G02F1/137

  characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering · CPC title

• G02F1/13338 Primary

  Input devices, e.g. touch panels · CPC title

• G02F1/13737

  in liquid crystals doped with a pleochroic dye · CPC title