CN113848666B - Dimming device, assembly method thereof and dimming window - Google Patents
Dimming device, assembly method thereof and dimming window Download PDFInfo
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- CN113848666B CN113848666B CN202111131127.3A CN202111131127A CN113848666B CN 113848666 B CN113848666 B CN 113848666B CN 202111131127 A CN202111131127 A CN 202111131127A CN 113848666 B CN113848666 B CN 113848666B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 105
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 42
- 238000010030 laminating Methods 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 29
- 230000008569 process Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000002834 transmittance Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 6
- 230000031700 light absorption Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000004983 Polymer Dispersed Liquid Crystal Substances 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 244000144985 peep Species 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
Abstract
The embodiment of the disclosure provides a dimming device and an assembly method thereof, and a dimming window, wherein the dimming device comprises two dimming panels, the dimming panels comprise a first substrate and a second substrate which are oppositely arranged, a liquid crystal layer is arranged between the first substrate and the second substrate, the dimming panels further comprise an alignment film for determining an alignment direction of the liquid crystal layer, the two dimming panels are arranged in a stacked manner, and one dimming panel is arranged relative to the other dimming panel in a manner that the alignment directions of the alignment films of the two dimming panels are mutually perpendicular. The technical scheme of the embodiment of the disclosure avoids the manufacturing cost and the management difficulty of the double dimming panels, reduces the manufacturing difficulty of the alignment process production line, and also reduces the manufacturing difficulty, the manufacturing cost and the management difficulty of the dimming device.
Description
Technical Field
The disclosure relates to the technical field of dimming, in particular to a dimming device, an assembly method thereof and a dimming window.
Background
Currently, dimming panels mainly use electrochromic and polymer dispersed liquid crystalsPolymer network liquid crystal, suspended particles, dye liquid crystal and the like. Wherein the electrochromic dimming panel has a slow response (e.g., 3min/m 2 ～5min/m 2 ) The defects of uneven color change, blue color shift, poor color feel and the like are overcome, and the method is not suitable for manufacturing a large-size dimming panel; the polymer dispersed liquid crystal dimming panel can only realize fog state and transparent state switching, but cannot present dark state, so that the panel is only suitable for indoor partition, peep prevention and the like; the suspended particle dimming panel is high in price, and the driving voltage is equal to or greater than 110V, so that potential safety hazards exist. Compared with the dimming panel, the dye liquid crystal dimming panel has the advantages of quick response (for example, response time is less than 1 s), uniform color change, excellent color feel, low haze, safety (driving voltage is less than 20V) and the like, and is suitable for being applied to the fields of building, traffic and the like.
The existing dye liquid crystal dimming panel realizes the switching between a bright state and a dark state by utilizing the selective absorption of dichroism dye molecules in liquid crystal to light. However, the dye liquid crystal dimming panel in the prior art has the problems of low productivity, difficult management, low yield and the like of an alignment process production line.
Disclosure of Invention
Embodiments of the present disclosure provide a dimming device, an assembling method thereof, and a dimming window, so as to solve or alleviate one or more technical problems in the prior art.
As an aspect of the embodiments of the present disclosure, the embodiments of the present disclosure provide a dimming device including two dimming panels, the dimming panels including a first substrate and a second substrate disposed opposite to each other, and a liquid crystal layer between the first substrate and the second substrate, the dimming panels further including an alignment film for determining an alignment direction of the liquid crystal layer, the two dimming panels being stacked, wherein one dimming panel is disposed with respect to the other dimming panel in such a manner that the alignment directions of the alignment films of the two dimming panels are perpendicular to each other.
In one embodiment, the outer contour of the dimming area of the dimming device has a symmetry axis, on a plane parallel to the dimming panels, the outer contour of the dimming panels is mirror-symmetrical with respect to the symmetry axis, the second substrate of one dimming panel is opposite to the second substrate of the other dimming panel, the symmetry axes of the two dimming panels coincide with each other, and the alignment direction of the alignment films forms a first angle with the symmetry axis, so that the alignment directions of the alignment films of the two dimming panels are mutually perpendicular.
In one embodiment, the first angle is 45 °.
In one embodiment, the dimming panel comprises a first face and a second face facing away from the first face, the dimming panel being provided with a foolproof structure for distinguishing the first face from the second face.
In one embodiment, the fool-proof structure comprises an identifiable first substructure and an identifiable second substructure, the first substructure and the second substructure being asymmetric structures with respect to an axis of symmetry.
In one embodiment, the first substructure of one dimming panel is interleaved with the second substructure of the other dimming panel.
In one embodiment, the first substructure is a groove or pattern and the second substructure is a groove or pattern.
In one embodiment, the dimming panel includes an identifiable third sub-structure for identifying the first or second face.
In one embodiment, the fool-proof structure includes a first flexible circuit board and a second flexible circuit board disposed on the dimming panel, the first flexible circuit board and the second flexible circuit board being asymmetric with respect to an axis of symmetry.
In one embodiment, the second substrate of one of the two dimming panels is disposed opposite to the first substrate of the other dimming panel, and one of the two dimming panels is rotated by 90 ° with respect to the other dimming panel, so that alignment directions of the alignment films of the two dimming panels are perpendicular to each other.
As another aspect of the embodiments of the present disclosure, the embodiments of the present disclosure provide a dimming window, including the dimming device of any one of the above embodiments and a transparent encapsulation layer sleeved outside the dimming device.
As still another aspect of an embodiment of the present disclosure, the embodiment of the present disclosure provides an assembling method of a dimming device including two dimming panels including a first substrate and a second substrate disposed opposite to each other, and a liquid crystal layer between the first substrate and the second substrate, further including an alignment film for determining an alignment direction of the liquid crystal layer, the dimming panel further including a first face and a second face facing away from the first face, the dimming panel being provided with a fool-proof structure for distinguishing the first face and the second face, the assembling method of the dimming device including:
Identifying a first face and a second face of the dimming panel by using a fool-proof structure of the dimming panel;
and according to the first surface and the second surface of the two identified dimming panels, laminating the two dimming panels so that the alignment directions of the alignment films of the two dimming panels are mutually perpendicular.
In one embodiment, the outer contour of the dimming area of the dimming device has a symmetry axis, on a plane parallel to the dimming panels, the outer contour of the dimming panels is mirror-symmetrical with respect to the symmetry axis, an alignment direction of the alignment film forms a first angle with the symmetry axis, and the two dimming panels are stacked according to the identified first and second faces of the two dimming panels, including:
setting the two dimming panels to be consistent in direction according to the first and second faces of the two dimming panels;
one of the dimming panels is turned 180 degrees along the symmetry axis, and the two dimming panels are stacked so that the alignment directions of the alignment films of the two dimming panels are perpendicular to each other.
In one embodiment, the two dimming panels are stacked according to the identified first and second faces, comprising:
setting the two dimming panels to be consistent in direction according to the first and second faces of the two dimming panels;
And arranging the two dimming panels in a laminated manner, and rotating one of the dimming panels by 90 degrees along the center of the dimming panel, so that the alignment directions of the alignment films of the two dimming panels are mutually perpendicular.
According to the technical scheme, two identical dimming panels are adopted, and the two identical dimming panels are adopted by configuring the arrangement mode of one dimming panel relative to the other dimming panel so that the alignment directions of the alignment films of the two dimming panels are mutually perpendicular. Therefore, the dimming device of the embodiment of the disclosure adopts two identical dimming panels, so that the alignment directions of the upper dimming panel and the lower dimming panel are mutually perpendicular, two different dimming panels do not need to be manufactured, the manufacturing cost and the management difficulty of the double dimming panels are avoided, the manufacturing difficulty of an alignment process production line is reduced, and the manufacturing difficulty, the manufacturing cost and the management difficulty of the dimming device are reduced.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present disclosure will become apparent by reference to the drawings and the following detailed description.
Drawings
In the drawings, the same reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily drawn to scale. It is appreciated that these drawings depict only some embodiments according to the disclosure and are not to be considered limiting of its scope.
FIG. 1A is a schematic diagram showing a dye liquid crystal dimming panel in a bright state in the related art;
FIG. 1B is a schematic diagram showing a dark state of a dye liquid crystal dimming panel according to the related art;
FIG. 1C shows a schematic representation of the absorbance of dye molecules;
fig. 2 is a schematic diagram showing a stacked arrangement of a dimming device in the related art;
fig. 3A shows a schematic diagram of a dimmer arrangement exhibiting a bright state according to an embodiment of the present disclosure;
fig. 3B shows a schematic diagram of a dimming device exhibiting a dark state according to an embodiment of the present disclosure;
fig. 3C shows a schematic diagram of a stacked arrangement of dimming devices according to a first embodiment of the present disclosure;
fig. 3D illustrates a schematic structure of a dimming panel according to a first embodiment of the present disclosure;
fig. 4 shows a schematic diagram of a stacked arrangement of a dimmer arrangement according to a second embodiment of the present disclosure;
fig. 5 illustrates a schematic structure of a dimming panel according to a third embodiment of the present disclosure;
Fig. 6 illustrates a schematic structure of a dimming panel according to a fourth embodiment of the present disclosure;
fig. 7 shows a schematic diagram of a stacked arrangement of a dimmer arrangement according to a fifth embodiment of the present disclosure;
fig. 8 shows a schematic diagram of a stacked arrangement of a dimmer arrangement according to a sixth embodiment of the present disclosure.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present disclosure. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the related art, a dye liquid crystal dimming panel realizes switching between a bright state and a dark state by utilizing a guest-host effect and selective absorption of light by dichromatic dye molecules in liquid crystal. As shown in fig. 1A to 1C, the dimming panel 10 includes a first substrate 11 and a second substrate 12 disposed opposite to each other, and a liquid crystal layer 13 disposed between the first substrate 11 and the second substrate 12, the liquid crystal layer 13 including liquid crystal molecules 131 and dye molecules 132. When the long axes of the liquid crystal molecules 131 are perpendicular to the first substrate 11 and the second substrate 12 (i.e., the liquid crystal molecules 131 are in a standing state), the liquid crystal molecules 131 drive the dye molecules 132 to rotate, so that the long axes of the dye molecules 132 are perpendicular to the first substrate 11 and the second substrate 12, the light absorption capacity of the dye molecules 132 is weak, the incident light can pass through the light modulation panel 10, and the light modulation panel 10 presents a bright state (for example, the transmittance can reach 100%). When the long axes of the liquid crystal molecules 131 are parallel to the first substrate 11 and the second substrate 12 (i.e., the liquid crystal molecules 131 are in a lying state), the liquid crystal molecules 131 drive the dye molecules 132 to rotate, so that the long axes of the dye molecules 132 are parallel to the first substrate 11 and the second substrate 12, the dye molecules 132 have strong light absorption capability, and the dye molecules 132 absorb part of the incident light (such as a vertical component of the incident light), and the dimming panel 10 presents a dark state (such as a transmittance may be lower than 50%).
Because the transmittance of a single dimming panel in the dark state is high, the low transmittance dark state requirement of the dimming device 20 cannot be met. In order to reduce the transmittance, as shown in fig. 2, the alignment films 211 and 221 of the first and second light-adjusting panels 21 and 22 are generally manufactured by different alignment processes, so that when the first and second light-adjusting panels 21 and 22 are stacked, the alignment direction of the alignment film 211 of the first light-adjusting panel 21 is perpendicular to the alignment direction of the alignment film 221 of the second light-adjusting panel 22. In this way, when both the liquid crystal molecules (not shown) of the first dimming panel 21 and the long axes of the dye molecules 212A are perpendicular to the first and second substrates of the first dimming panel 21, the dye molecules 212A may absorb a portion of the incident light (e.g., a perpendicular component of the incident light); when the long axes of the liquid crystal molecules and the dye molecules 222A of the second dimming panel 22 are perpendicular to the first substrate and the second substrate of the second dimming panel 22, the dye molecules 222A can absorb another part of the incident light (for example, the horizontal component of the incident light), thereby reducing the transmittance (for example, the transmittance is less than 1%) of the dimming device 20 and realizing the dark state effect of low transmittance. However, because the first dimming panel 21 and the second dimming panel 22 are manufactured by different alignment processes, the dimming device 20 has the problems of high manufacturing difficulty, high manufacturing cost and high management difficulty. Taking the light-adjusting device 20 as an example of a building curtain wall, the building curtain wall generally needs light-adjusting devices with several tens of sizes, and for each size of light-adjusting device 20, it is not only necessary to adopt two different alignment processes to manufacture the first light-adjusting panel 21 and the second light-adjusting panel 22 respectively, but also necessary to ensure that the number of the first light-adjusting panel 21 and the second light-adjusting panel 22 are consistent, and the structural difference of the first light-adjusting panel 21 and the second light-adjusting panel 22 results in large manufacturing difficulty, high manufacturing cost and large management difficulty of the light-adjusting device.
In order to solve the above technical problems, an embodiment of the present disclosure provides a dimming device.
As shown in fig. 3A to 3D, the dimming device 20 may include two dimming panels 31, each dimming panel 31 includes a first substrate 311 and a second substrate 312 disposed opposite to each other, and a liquid crystal layer 313 disposed between the first substrate 311 and the second substrate 312, each dimming panel 31 further includes an alignment film 314 for determining an alignment direction of the liquid crystal layer 313, the two dimming panels 31 are stacked, and one dimming panel 31 is disposed relative to the other dimming panel 31 in such a manner that the alignment directions of the alignment films 314 of the two dimming panels 31 are perpendicular to each other.
Illustratively, the alignment film 314 includes a first sub-alignment film 314A and a second sub-alignment film 314B, the first sub-alignment film 314A is located between the liquid crystal layer 313 and the first substrate 311, the second sub-alignment film 314B is located between the liquid crystal layer 313 and the second substrate 312, and the alignment direction of the first sub-alignment film 314A is the same as the alignment direction of the second sub-alignment film 314B.
As shown in fig. 3A, when the long axes of the liquid crystal molecules 313A and the dye molecules 313B are perpendicular to the first substrate 311 and the second substrate 312, the incident light passes through the light modulation panel 31, and the light modulation device 30 is in a bright state; as shown in fig. 3A, when the long axes of the liquid crystal molecules 313A and the dye molecules 313B are parallel to the first substrate 311 and the second substrate 312, the incident light is absorbed by the dimming panel 31, and the dimming device 30 assumes a dark state.
In the related art, in order to realize that the alignment directions of the upper dimming panel and the lower dimming panel are mutually perpendicular, the upper dimming panel and the lower dimming panel adopt different alignment processes, so that two different dimming panels need to be manufactured, the alignment directions of the two different dimming panels are different, the manufacturing difficulty of an alignment process production line is seriously increased, and the manufacturing difficulty is high, the manufacturing cost is high, and the management difficulty is high.
The dimming device 20 of the embodiment of the present disclosure adopts two identical dimming panels 31, and by configuring the arrangement mode of one dimming panel 31 relative to the other dimming panel 31 so that the alignment directions of the alignment films 314 of the two dimming panels 31 are mutually perpendicular, the two identical dimming panels 31 are adopted. Therefore, the dimming device 20 according to the embodiment of the present disclosure can realize that the alignment directions of the upper and lower dimming panels are mutually perpendicular by adopting the two identical dimming panels 31, and two different dimming panels do not need to be manufactured, so that the manufacturing cost and the management difficulty of the double dimming panels are avoided, the manufacturing difficulty of the alignment process production line is reduced, and the manufacturing difficulty, the manufacturing cost and the management difficulty of the dimming device 20 are reduced.
In one embodiment, the outer contour of the dimming area (not labeled in the figure) of the dimming device 20 has a symmetry axis 315, and on a plane parallel to the dimming panels 31, the outer contour of the dimming panel 31 is mirror symmetric with respect to the symmetry axis 315, the second substrate 312 of one dimming panel 31 is disposed opposite to the second substrate 312 of the other dimming panel 31, the symmetry axes 315 of the two dimming panels 31 overlap each other, and the alignment direction of the alignment films 314 forms a first angle a with the symmetry axis 315, so that the alignment directions of the alignment films 314 of the two dimming panels 31 are perpendicular to each other.
In the embodiment of the disclosure, the outer contour of the dimming area of the dimming device 20 has a symmetry axis 315, and the outer contour of the dimming panel 31 is mirror-symmetrical with respect to the symmetry axis 315 on a plane parallel to the dimming panels 31, so that when one dimming panel 31 is turned 180 ° along the symmetry axis 315, the second substrate 312 of one dimming panel 31 is opposite to the second substrate 312 of the other dimming panel 31, and the symmetry axes 315 of the two dimming panels 31 are mutually overlapped. Since the outer contours of the dimming panels 31 are mirror symmetrical with respect to the symmetry axis 315, the liquid crystal regions of the upper and lower dimming panels 31 can be completely overlapped, so as to ensure that the dimming region of the dimming device is unchanged. By setting the alignment direction of the alignment film 314 to be at the first angle a with respect to the symmetry axis 315, it is possible to realize that the alignment directions of the alignment films 314 of the upper and lower dimming panels 31 are perpendicular to each other. The dimming device not only adopts two identical dimming panels 31, but also has a simple setting mode of the two dimming panels 31 and is easy to operate, and the assembly cost of the dimming device 20 is further reduced.
In addition, in the related art, the first dimming panel 21 and the second dimming panel 22 having different structures are combined into the dimming device 20, and if a combination error is found, the dimming panels need to be replaced, for example, if a combination method of two first dimming panels 21 is found, one of the first dimming panels 21 needs to be replaced with the second dimming panel 22. The two dimming panels 31 adopted in the embodiment of the present disclosure have the same structure and an axisymmetric outer contour, so that when a combination error is found, only one of the dimming panels 31 needs to be turned 180 ° towards the other dimming panel 31 along the symmetry axis 315, the alignment directions of the alignment films 314 of the two dimming panels 31 are mutually perpendicular, the dimming panels 31 do not need to be replaced, the combination difficulty is reduced, and the combination efficiency is improved.
The first substrate 311 and the second substrate 312 are only intended to represent two substrates of the light control panel 31, and one of the substrates may be referred to as "the first substrate 311" and the other substrate as "the second substrate 312" as long as the two substrates can be distinguished.
In one embodiment, the first angle a is 45 °. That is, the alignment direction of the alignment film 314 of the dimming panel 31 is 45 ° to the symmetry axis 315. Therefore, when one dimming panel 31 is turned 180 ° along the symmetry axis 315, such that the second substrate 312 of one dimming panel 31 is disposed opposite to the second substrate 312 of the other dimming panel 31, the alignment directions of the alignment films 314 of the upper and lower dimming panels 31 can be perpendicular to each other.
In one embodiment, the dimming panel 31 includes a first face 31A and a second face 31B facing away from the first face 31A, and the dimming panel 31 is provided with a fool-proof structure for distinguishing the first face 31A and the second face 31B. Although the light control panel 31 includes the first surface 31A and the second surface 31B, in actual products, it is difficult to distinguish the first surface 31A and the second surface 31B, and thus, when the light control device is manufactured, a problem of a wrong turn of the light control panel 31 is likely to occur, and productivity of the light control device is further reduced. Through setting up and preventing slow-witted structure, adopt prevent slow-witted structure can accurately distinguish the first face 31A and the second face 31B of dimming panel 31, be convenient for in preparation dimming device 20 in-process accurate upset dimming panel 31, and then with the accurate coincide of two dimming panels 31, avoid taking place the coincide mistake, help reducing the coincide degree of difficulty, improve dimming device 20's generation efficiency.
In one embodiment, the fool-proof structure includes a first identifiable sub-structure 316A and a second identifiable sub-structure 316B, the first sub-structure 316A and the second sub-structure 316B being asymmetric structures with respect to the axis of symmetry 315. Thus, by identifying the position of the first and second sub-structures 316A, 316B relative to the axis of symmetry 315, the relative positions of the first and second faces 31A, 31B of the dimming panel can be determined. For example, in the design where the first surface 31A is located on the upper side of the second surface 31B when the first substructure 316A is located on the left side of the symmetry axis 315, then, in production, when the first substructure 316A is identified as being located on the left side of the symmetry axis 315, it is determined that the upper surface is the first surface 31A; conversely, when the first substructure 316A is identified as being located on the right side of the symmetry axis 315, the side located on the upper side can be determined as the second side 31B. Thus, the orientation of the light modulation panels 31 can be quickly identified, and the two light modulation panels 31 can be quickly and accurately overlapped into the light modulation device.
In one example, as shown in fig. 3C, the first sub-structure 316A and the second sub-structure 316B are asymmetric structures with respect to the symmetry axis 315, which may be embodied as: the first sub-structure 316A and the second sub-structure 316B are the same distance from the symmetry axis 315, and the first sub-structure 316A and the second sub-structure 316B are different in structure; alternatively, the first sub-structure 316A and the second sub-structure 316B are not the same distance from the symmetry axis 315, and the first sub-structure 316A is not the same structure as the second sub-structure 316B; alternatively, the first and second sub-structures 316A, 316B are not the same distance from the symmetry axis 315, and the first and second sub-structures 316A, 316B are the same structure. It is understood that the structural parameters of the first substructure 316A may include the shape, the size, etc. of the first substructure 316A, and the structural parameters of the second substructure 316B may include the shape, the size, etc. of the second substructure 316B, and that one of the structural parameters of the first substructure 316A and the second substructure 316B may be different, so that the first substructure 316A and the second substructure 316B may be considered to be different. For example, the first substructure 316A is trapezoidal and the second substructure 316B is rectangular; and/or the first substructure 316A is larger in size than the second substructure 316B. The shapes of the first substructure 316A and the second substructure 316B may be selected and adjusted according to actual needs, which is not limited by the embodiments of the present disclosure.
In another example, as shown in fig. 4, the distances of the first sub-structure 316A and the second sub-structure 316B with respect to the symmetry axis 315 are different, for example, a first distance D1 between the first sub-structure 316A and the symmetry axis 315 is smaller than a second distance D2 between the second sub-structure 316B and the symmetry axis 315, the shapes of the first sub-structure 316A and the second sub-structure 316B may be the same or different, and the sizes of the first sub-structure 316A and the second sub-structure 316B may be the same or different.
In the above scheme, the fool-proof structure is set to be the first substructure 316A and the second substructure 316B which are asymmetric with respect to the symmetry axis 315, so that the first face 31A and the second face 31B of the dimming panel 31 can be conveniently distinguished, which is helpful for reducing the manufacturing difficulty and improving the manufacturing efficiency.
In the above example, if the difference in size or shape between the first sub-structure 316A and the second sub-structure 316B is small, the first face 31A and the second face 31B are not easily distinguished, so the difference in size or shape between the first sub-structure 316A and the second sub-structure 316B needs to be set large, which may reduce the performance of the dimming panel 31. For example, the first surface 31A of the first substrate 311 of the dimming panel 31 facing away from the second substrate 312, the second surface 31B of the second substrate 312 of the dimming panel 31 facing away from the second substrate 312, the first substructure 316A is a first groove formed in the first substrate 311, the second substructure 316B is a second groove formed in the second substrate 312, and the size of the first groove is significantly larger than that of the second groove, so that the strength of the first substrate 311 is reduced, and the first substrate 311 is easy to break. In view of this, another example may be preferred in which the distances between the first sub-structure 316A and the second sub-structure 316B with respect to the symmetry axis 315 are set to be different, and thus the first sub-structure 316A and the second sub-structure 316B may have no difference or a small difference, so that the first face 31A and the second face 31B of the dimming panel 31 are distinguished by being far from the symmetry axis 315, and degradation of the performance of the dimming panel 31 due to the large difference between the first sub-structure 316A and the second sub-structure 316B is avoided.
In one embodiment, the first sub-structure 316A of one dimming panel 31 is staggered with respect to the second sub-structure 316B of the other dimming panel 31.
As shown in fig. 4, the first substructure 316A of the dimming panel 31 is a first groove, the second substructure 316B is a second groove, a side of each first substrate 311 facing the second substrate 312 has a first binding area (not labeled in the figure), and a side of each second substrate 312 facing the first substrate 311 has a second binding area (not labeled in the figure); the first groove is formed in the first substrate 311 to expose the second binding area, and the first groove can be reused as a binding interface of the second binding area; the second groove is formed in the second substrate 312 to expose the first binding region, and the second groove can be reused as a binding interface of the first binding region; the first binding area and the second binding area of the dimming panel 31 are respectively located at two sides of the symmetry axis 315. The first groove of one dimming panel 31 is staggered with the second groove of the other dimming panel 31, so that the first binding area of one dimming panel 31 is staggered with the second binding area of the other dimming panel 31, the first binding area and the second binding area of the two dimming panels 31 are distributed on two sides of the symmetrical shaft 315, the circuit boards are conveniently bound side by side, and the bound circuit boards and the electric signal interfaces are further facilitated to be spliced side by side.
In the above example, the first groove is multiplexed as the binding interface of the second binding area, and the second groove is multiplexed as the binding interface of the first binding area, which can be used to distinguish the binding interfaces when binding the circuit board. For example, when different circuit boards are used for binding, in the related art, it is necessary to distinguish between the first dimming panel 21 and the second dimming panel 22, the correspondence between the first dimming panel 21 and the two circuit boards, and the correspondence between the second dimming panel 22 and the two circuit boards, which is 3 kinds of correspondence, and thus the mixing is liable to occur. When the embodiment of the disclosure adopts different circuit boards to bind, the first dimming panel 21 and the second dimming panel 22 do not need to be distinguished, the binding interface of the dimming panel 31 can be identified, the mixing risk is reduced, and the binding efficiency is improved.
When the same circuit board is used for binding, although the corresponding relation between the first dimming panel 21 and the second dimming panel 22 and the circuit board is not required to be distinguished in the related art, because the structures of the first dimming panel 21 and the second dimming panel 22 are different, in order to make the binding interfaces of the first dimming panel 21 and the second dimming panel 22 correspond in a staggered manner, cutting drawings of the first dimming panel 21 and the second dimming panel 22 are required to be respectively designed, and different cutting processes are adopted to cut the substrates of the first dimming panel 21 and the second dimming panel 22, so that the cutting workload and the error risk are increased. Compared with the related art, the dimming panel 31 of the embodiment of the disclosure only needs to design a set of cutting drawings, and the same cutting process is adopted to cut the substrate of the dimming panel 31, so that the cutting workload is reduced, and the risk of errors is reduced.
In one embodiment, the first sub-structure 316A is a groove or pattern and the second sub-structure 316B is a groove or pattern. The arrangement of the grooves of the first substructure 316A and the second substructure 316B may refer to the above embodiment, and is not described herein. The shape of the groove includes, but is not limited to, a U-groove and a V-groove, and the shape of the groove is not limited by the embodiments of the present disclosure.
In one example, the first substructure 316A and the second substructure 316B are patterns, which may be in any shape such as line segments, circles, ellipses, triangles, etc., and the patterns may be coated on the frame regions of the first substrate 311 and the second substrate 312 by using a glue coating process, and the sizes of the patterns may be adjusted according to the sizes of the frame regions.
In one embodiment, referring to fig. 5 and 6 together, the dimming panel 31 includes a recognizable third sub-structure for recognizing the first surface 31A or the second surface 31B. Illustratively, the third substructure may be the groove 511 (as shown in fig. 5) and/or the pattern 611 (as shown in fig. 6), and the third substructure is only disposed on the first substrate 311 or the second substrate 312 of the dimming panel 31. For example, if the third substructure is disposed on the first substrate 311, the first surface 31A may be identified by the third substructure, and the second substrate 312 without the third substructure is the second surface 31B. The specific arrangement of the third sub-structure may refer to the arrangement of the first sub-structure 316A or the second sub-structure 316B, which is not described herein.
In an application scenario, the size of the first groove is larger than the size of the second groove, the first groove is multiplexed into a binding interface of the second binding area, the second groove is multiplexed into a binding interface of the first binding area, and in the application scenario, the strength of the first groove is reduced by increasing the size difference between the first groove and the second groove to distinguish the first face 31A and the second face 31B of the dimming panel 31. By arranging the third substructure on the first substrate 311 or the second substrate 312, the above scheme can separate the third substructure from the bonding interface of the substrate, so as to avoid the performance degradation of the substrate due to multiplexing of the third substructure into the bonding interface.
In one embodiment, the fool-proof structure includes a first flexible circuit board 317A and a second flexible circuit board 317B disposed on the dimming panel 31, the first flexible circuit board 317A and the second flexible circuit board 317B being asymmetric with respect to the symmetry axis 315.
Wherein, the first flexible circuit board 317A and the second flexible circuit board 317B may be asymmetric with respect to the symmetry axis 315 in shape or position thereof. For example, as shown in fig. 7, the first flexible circuit board 317A and the second flexible circuit board 317B are the same distance with respect to the symmetry axis 315, and the shapes of the first flexible circuit board 317A and the second flexible circuit board 317B are asymmetric. Alternatively, as shown in fig. 4, the first flexible circuit board 317A and the second flexible circuit board 317B are different in distance with respect to the symmetry axis 315, and the shapes of the first flexible circuit board 317A and the second flexible circuit board 317B are symmetrical. The two dimming panels 31 are stacked, wherein the first flexible circuit board 317A of one dimming panel 31 is staggered and corresponds to the second flexible circuit board 317B of the other dimming panel 31, so that the electrical signal interface is conveniently connected with the first flexible circuit board 317A and the second flexible circuit board 317B of the two dimming panels 31 in parallel.
In one embodiment, referring to fig. 8 together, in the two dimming panels 31, the second substrate 312 of one dimming panel 31 is disposed opposite to the first substrate 311 of the other dimming panel 31, and one dimming panel 31 is rotated by 90 ° relative to the other dimming panel 31, such that the alignment directions of the alignment films 314 of the two dimming panels 31 are perpendicular to each other. Illustratively, the outer contour of the dimming panel 31 is square or circular, etc., and the dimming panel 31 has a center. One of the dimming panels 31 rotates 90 ° around the center (the intersection of the two symmetry axes 315 in fig. 8) relative to the other dimming panel 31, so that the alignment directions of the alignment films 314 of the two dimming panels 31 are perpendicular to each other, which is beneficial to simplifying the arrangement of the two dimming panels 31. In the embodiment of the present disclosure, the directions of the two dimming panels 31 are the same, for example, the first surface of the upper dimming panel faces upward and the second surface faces downward, and the first surface of the lower dimming panel faces upward and the second surface faces downward. Thus, the upper side of the dimmer 20 is the first surface of the upper dimmer panel, and the lower side of the dimmer 20 is the second surface of the lower dimmer panel. In the embodiment of the present disclosure, the first angle a may be any angle as long as one of the dimming panels 31 is rotated by 90 ° with respect to the other dimming panel 31 such that the alignment directions of the alignment films 314 of the two dimming panels 31 are perpendicular to each other.
For the embodiment as in fig. 3A to 3D, two dimming panels 31 are arranged opposite to each other, for example, a first face of an upper dimming panel faces upward and a second face faces downward, a second face of a lower dimming panel faces upward and the first face faces, and the second face of the upper dimming panel is opposite to the second face of the lower dimming panel. Thus, the upper side of the dimmer 20 is the first surface of the upper dimmer panel, and the lower side of the dimmer 20 is the first surface of the lower dimmer panel.
For example, an identification tag may be provided on the second face 31B of the dimming panel 31 in order to distinguish between the front (upper side) and the back (lower side) of the dimming device 20, so as to avoid confusion of the front and back of the dimming device 20 when assembled.
The embodiment of the disclosure further provides a dimming window, which includes the dimming device 20 of any one of the above embodiments and a transparent encapsulation layer sleeved outside the dimming device 20. The transparent packaging layer may be made of glass, plastic, etc., and has a certain rigidity, so that the light modulation device 20 can be protected.
The dimming window in the embodiment of the disclosure can be used for replacing a traditional curtain, and can also be applied to a plurality of scenes needing dimming, such as building curtain walls, daylighting roofs, passenger car side windows or skylights, rail transit, ships, aircraft portholes, bank counters and the like.
The embodiment of the present disclosure also provides an assembling method of the dimming device 30, which may be applied to the dimming device in the embodiment of the present disclosure. Referring to fig. 3A to 3C, the light modulation device 30 includes two light modulation panels 31, the light modulation panels 31 include a first substrate 311 and a second substrate 312 disposed opposite to each other, a liquid crystal layer 313 disposed between the first substrate 311 and the second substrate 312, an alignment film 314 for determining an alignment direction of the liquid crystal layer 313, the light modulation panels 31 further include a first surface 31A and a second surface 31B facing away from the first surface 31A, the light modulation panels 31 are provided with a fool-proof structure for distinguishing the first surface 31A and the second surface 31B, and an assembling method of the light modulation device 30 includes:
identifying the first face 31A and the second face 31B of the dimming panel 31 using the fool-proof structure of the dimming panel 31;
the two dimming panels 31 are stacked according to the recognized first and second faces 31A and 31B of the two dimming panels 31 such that the alignment directions of the alignment films 314 of the two dimming panels 31 are perpendicular to each other.
According to the assembly method of the embodiment of the disclosure, as the two dimming panels 31 are identical, and the first face 31A and the second face 31B of the outer contour of the two dimming panels 31 are not different, the first face 31A and the second face 31B of the dimming panel 31 can be accurately identified by utilizing the foolproof structure of the dimming panel 31, so that when the corresponding faces of the two dimming panels 31 are overlapped, the lamination of the two dimming panels 31 is ensured, the alignment directions of the alignment films 314 of the two dimming panels 31 are mutually perpendicular, assembly errors are avoided, and the assembly efficiency is improved.
In one embodiment, the outer contour of the dimming area of the dimming device 30 has a symmetry axis 315, the outer contour of the dimming panel 31 is mirror symmetrical with respect to the symmetry axis 315 on a plane parallel to the dimming panels 31, the alignment direction of the alignment film 314 forms a first angle a with the symmetry axis 315, and the two dimming panels 31 are stacked according to the identified first face 31A and second face 31B of the two dimming panels 31, including:
setting the two dimming panels 31 to be in agreement in direction according to the recognized first and second faces 31A and 31B of the two dimming panels 31;
one of the dimming panels 31 is turned 180 ° along the symmetry axis 315, and the two dimming panels 31 are stacked so that the alignment directions of the alignment films 314 of the two dimming panels 31 are perpendicular to each other.
It should be noted that, the two dimming panels 31 are set to be in the same direction, that is, the placement directions of the two dimming panels 31 are the same, in other words, when one dimming panel is translated to the position of the other dimming panel, the two dimming panels may completely coincide. For example, the first faces of the two dimming panels 31 are both facing upward, the second faces are both facing upward, and the alignment directions of the alignment films of the two dimming panels are the same
For example, the first included angle a is 45 °, that is, the alignment direction of the alignment films 314 of the dimming panels 31 is 45 ° with respect to the symmetry axis 315, so that when one dimming panel 31 is turned 180 ° along the symmetry axis 315, the alignment directions of the alignment films 314 of the upper and lower dimming panels 31 are perpendicular to each other when the second substrate 312 of one dimming panel 31 is disposed opposite to the second substrate 312 of the other dimming panel 31. It should be noted that, the sequence of the steps of turning one of the dimming panels 31 180 ° along the symmetry axis 315 and stacking the two dimming panels 31 may be exchanged, that is, the two dimming panels 31 may be stacked first, and then one of the dimming panels 31 may be turned 180 ° along the symmetry axis 315, and the two steps may be performed in order to achieve that the alignment directions of the alignment films 314 of the two dimming panels 31 are perpendicular to each other. The embodiment of the present disclosure does not limit the step sequence of the stacked arrangement and flipping of the two dimming panels 31.
In one embodiment, the two dimming panels 31 are stacked according to the identified first and second faces 31A and 31B of the two dimming panels 31, including:
setting the two dimming panels 31 to be in agreement in direction according to the recognized first and second faces 31A and 31B of the two dimming panels 31;
The two dimming panels 31 are stacked and one of the dimming panels 31 is rotated by 90 ° along the center of the dimming panel 31 so that the alignment directions of the alignment films 314 of the two dimming panels 31 are perpendicular to each other.
In the present embodiment, referring to fig. 8, the outline of the dimming panel 31 may be a square, a circle, or the like, and the dimming panel 31 has a center. The order of steps of stacking two dimming panels 31 and rotating one of the dimming panels 31 by 90 ° along the center of the dimming panel 31 may be exchanged, i.e., rotating one of the dimming panels 31 by 90 ° along the center of the dimming panel 31, and then stacking two dimming panels 31. The embodiment of the present disclosure does not limit the step sequence of the lamination arrangement and rotation of the two dimming panels 31.
In the description of the present specification, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present disclosure.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present disclosure, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art as the case may be.
In this disclosure, unless expressly stated or limited otherwise, a first feature being "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
The above disclosure provides many different embodiments or examples for implementing different structures of the disclosure. The components and arrangements of specific examples are described above in order to simplify the disclosure of this disclosure. Of course, they are merely examples and are not intended to limit the present disclosure. Furthermore, the present disclosure may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.
While the invention has been described with respect to the preferred embodiments, it will be apparent to those skilled in the art that various changes and substitutions can be made without departing from the spirit and scope of the invention. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (13)
1. A dimming device, comprising two identical dimming panels, wherein the dimming panels comprise a first substrate and a second substrate which are oppositely arranged, and a liquid crystal layer positioned between the first substrate and the second substrate, the dimming panels further comprise an alignment film for determining an alignment direction of the liquid crystal layer, the two dimming panels are stacked, and one dimming panel is arranged relative to the other dimming panel in such a way that the alignment directions of the alignment films of the two dimming panels are mutually perpendicular;
And the second substrate of one dimming panel is opposite to the first substrate of the other dimming panel, and one dimming panel rotates 90 degrees relative to the other dimming panel, so that the alignment directions of the alignment films of the two dimming panels are mutually perpendicular.
2. A dimming device as claimed in claim 1, wherein the outer contour of the dimming area of the dimming device has a symmetry axis, the outer contour of the dimming panel is mirror-symmetrical with respect to the symmetry axis on a plane parallel to the dimming panels, the second substrate of one dimming panel is opposite to the second substrate of the other dimming panel, the symmetry axes of the two dimming panels coincide with each other, and the alignment direction of the alignment films forms a first angle with the symmetry axis, so that the alignment directions of the alignment films of the two dimming panels are perpendicular to each other.
3. A dimming device as claimed in claim 2, wherein the dimming panel comprises a first face and a second face facing away from the first face, the dimming panel being provided with fool-proof structure for distinguishing the first face from the second face.
4. A dimming device as claimed in claim 3, wherein the fool-proof structure comprises a first identifiable sub-structure and a second identifiable sub-structure, the first and second sub-structures being asymmetric structures with respect to the symmetry axis.
5. The dimming device of claim 4, wherein a first substructure of one dimming panel is interleaved with a second substructure of another dimming panel.
6. The dimming device of claim 4, wherein the first substructure is a groove or pattern and the second substructure is a groove or pattern.
7. A dimming device as claimed in claim 4, wherein the dimming panel comprises an identifiable third sub-structure for identifying the first face or the second face.
8. A dimming device as recited in claim 3, wherein the fool-proof structure includes a first flexible circuit board and a second flexible circuit board disposed on the dimming panel, the first flexible circuit board and the second flexible circuit board being asymmetric with respect to the symmetry axis.
9. The dimming device of claim 8, wherein a first flexible circuit board of one of the dimming panels is interleaved with a second flexible circuit board of the other dimming panel.
10. A dimming window comprising the dimming device of any one of claims 1 to 9 and a transparent encapsulation layer sleeved outside the dimming device.
11. A method of assembling a dimming device, the dimming device comprising two identical dimming panels, the dimming panels comprising a first substrate and a second substrate disposed opposite to each other, a liquid crystal layer between the first substrate and the second substrate, and an alignment film for determining an alignment direction of the liquid crystal layer, the dimming panels further comprising a first face and a second face facing away from the first face, the dimming panels being provided with a fool-proof structure for distinguishing the first face from the second face, the method of assembling a dimming device comprising:
identifying a first face and a second face of the dimming panel by using a fool-proof structure of the dimming panel;
according to the first surface and the second surface of the two identified dimming panels, laminating the two dimming panels so that the alignment directions of the alignment films of the two dimming panels are mutually perpendicular;
wherein, according to two identified the first face and the second face of dimming panel, will two the dimming panel stromatolite sets up, includes:
Setting the two dimming panels to be consistent in direction according to the first face and the second face of the two dimming panels;
and stacking the two dimming panels, and rotating one of the dimming panels by 90 degrees along the center of the dimming panel, so that the alignment directions of the alignment films of the two dimming panels are mutually perpendicular.
12. A method of assembling a dimming device, the dimming device comprising two identical dimming panels, the dimming panels comprising a first substrate and a second substrate disposed opposite to each other, a liquid crystal layer between the first substrate and the second substrate, and an alignment film for determining an alignment direction of the liquid crystal layer, the dimming panels further comprising a first face and a second face facing away from the first face, the dimming panels being provided with a fool-proof structure for distinguishing the first face from the second face, the method of assembling a dimming device comprising:
identifying a first face and a second face of the dimming panel by using a fool-proof structure of the dimming panel;
according to the first surface and the second surface of the two identified dimming panels, laminating the two dimming panels so that the alignment directions of the alignment films of the two dimming panels are mutually perpendicular;
The outer contour of the dimming area of the dimming device has a symmetry axis, on a plane parallel to the dimming panel, the outer contour of the dimming panel is mirror-symmetrical with respect to the symmetry axis, an alignment direction of the alignment film forms a first angle with the symmetry axis, and the two dimming panels are stacked according to the identified first face and second face of the two dimming panels, including:
setting the two dimming panels to be consistent in direction according to the first face and the second face of the two dimming panels;
and turning one of the dimming panels 180 degrees along the symmetry axis, and laminating the two dimming panels so that the alignment directions of the alignment films of the two dimming panels are mutually perpendicular.
13. The method of assembling a dimmer arrangement as claimed in claim 12, wherein the first angle is 45 °.
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