CN113433754A - Electrochromic device and electronic equipment - Google Patents

Electrochromic device and electronic equipment Download PDF

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Publication number
CN113433754A
CN113433754A CN202110711524.1A CN202110711524A CN113433754A CN 113433754 A CN113433754 A CN 113433754A CN 202110711524 A CN202110711524 A CN 202110711524A CN 113433754 A CN113433754 A CN 113433754A
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China
Prior art keywords
electrochromic device
transmittance
user
area
region
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CN202110711524.1A
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CN113433754B (en
Inventor
熊沉璧
李佳城
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Shenzhen Guangyi Tech Co Ltd
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Shenzhen Guangyi Tech Co Ltd
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Priority to CN202110711524.1A priority Critical patent/CN113433754B/en
Publication of CN113433754A publication Critical patent/CN113433754A/en
Priority to PCT/CN2022/099177 priority patent/WO2022267975A1/en
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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 
    • G02F1/15—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 an electrochromic effect
    • G02F1/153—Constructional details
    • 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
    • G02F1/13338—Input devices, e.g. touch panels
    • 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 
    • G02F1/15—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 an electrochromic effect
    • G02F1/153—Constructional details
    • G02F1/1533—Constructional details structural features not otherwise provided for

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

The invention discloses an electrochromic device and electronic equipment. The electrochromic device comprises a selection area, wherein the selection area is used for providing a plurality of transmittance patterns for a user, so that the electrochromic device changes color according to a target transmittance selected by the user based on the selection area. According to the technical scheme provided by the invention, the mode of multiple transmittances is provided by arranging the selection area on the electrochromic device, so that the final state of the electrochromic device after color change is finished is displayed to a user in advance, and the user can directly select the required target transmittance according to the final state, so that the user can better adjust the electrochromic device according to the requirement, the problem that whether the color change result reaches the expectation after long-time waiting is avoided, the waiting time of the user is saved, and the experience of the user is greatly improved.

Description

Electrochromic device and electronic equipment
Technical Field
The invention relates to the technical field of electrochromism, in particular to an electrochromic device and electronic equipment.
Background
Currently, in an electrochromic device, a voltage is generally applied to a conductive layer on two sides of an electrochromic layer to realize a transmittance change of the electrochromic layer, in order to ensure that the conductive layer is transparent, the material of the conductive layer that can be selected is very limited, and an Indium Tin Oxide (ITO) material is generally used in the prior art. Although ITO is conductive, it is far less conductive than metals, and thus when an electrochromic device changes color, it is common that the color of the periphery begins to change, but the color of the central area does not change. Especially in some larger size devices, it often takes several seconds for a user to detect the onset of edge discoloration after applying a voltage to the electrochromic device. Under the circumstance, it is difficult to timely judge whether the expected transmittance of the electrochromic device can achieve the ideal effect of the user, so that the waiting time of the user is prolonged, and the user experience is poor.
The prior art usually adopts a mode of accelerating the color-changing response speed, and specifically adopts a mode of increasing the applied voltage, so that the edge of the electrochromic device is quickly changed in color under the driving of high voltage. However, in this state, the edge of the electrochromic device is often in an overcharged state, and the lifetime of the electrochromic device is greatly reduced in long-term use.
Disclosure of Invention
The invention provides an electrochromic device and electronic equipment, which are used for showing the final state of various electrochromic devices after color change is finished to a user in advance, so that the user can better adjust the transmittance of the electrochromic device according to the requirement.
In a first aspect, the present invention provides an electrochromic device, including a selection area, where the selection area is used to provide a user with a plurality of transmittance patterns, so that the electrochromic device changes color according to a target transmittance selected by the user based on the selection area.
Optionally, the electrochromic device further includes a touch screen, and the touch screen is disposed at the position of the selection area on the surface of the electrochromic device and/or beside the selection area, and is configured to receive a touch action of a user, and determine the target transmittance selected by the user according to the touch action.
Optionally, the electrochromic device further includes a pattern layer, and the pattern layer is disposed in an area outside and/or beside the touch screen on the surface of the electrochromic device, and is used for marking the position of the touch screen.
Optionally, the electrochromic device further includes a dimming region, the dimming region and the selection region are respectively and independently color-changeable, the dimming region is configured to change color according to the target transmittance, and an area of the dimming region is larger than an area of the selection region.
Optionally, the electrochromic device further includes a preview region, the selection region and the dimming region are independently color-changeable, the preview region is configured to change color with the dimming region according to the target transmittance, and an area of the dimming region is larger than an area of the preview region.
Optionally, a distance between the preview area and the selection area is smaller than a preset distance.
Optionally, the selection area includes a plurality of transmittance display frames, and each transmittance display frame is used for displaying a different transmittance pattern.
Optionally, the electrochromic device further includes an infrared sensing probe, where the infrared sensing probe is used to sense whether a person is approaching the electrochromic device, and when a person is approaching, the transmittance of each transmittance display frame is adjusted to a preset state.
Optionally, the selection area includes at least one slider bar, and the slider bar is configured to change a currently displayed pattern of the transmittance according to a sliding operation of the user, and determine the target transmittance when the user stops sliding.
In a second aspect, the invention also provides an electronic device comprising an electrochromic device as provided in any of the embodiments of the invention.
The invention provides an electrochromic device which comprises a selection area, wherein the selection area is used for providing a plurality of transmittance patterns for a user, so that the electrochromic device changes color according to a target transmittance selected by the user based on the selection area. According to the electrochromic device provided by the invention, the pattern with various transmittances is provided by arranging the selection area on the electrochromic device, so that the final state of the electrochromic device after color change is finished is displayed to a user in advance, and the user can directly select the required target transmittance according to the final state, so that the user can adjust the electrochromic device according to the requirement, the problem that whether the color change result reaches the expectation after long-time waiting is avoided, the waiting time of the user is saved, and the experience of the user is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of an electrochromic device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another electrochromic device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another electrochromic device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another electrochromic device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another electrochromic device according to the first embodiment of the present invention;
fig. 6 is a schematic structural diagram of another electrochromic device according to the first embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
The first embodiment of the invention provides an electrochromic device which comprises a selection area, wherein the selection area is used for providing a plurality of transmittance patterns for a user, so that the electrochromic device changes color according to a target transmittance selected by the user based on the selection area.
The display color-changing region of the electrochromic device provided in this embodiment may only include a selection region, and specifically, the display color-changing region may be divided into a plurality of selection regions, for example, as shown in fig. 1, the display color-changing region of the electrochromic device 10 may be divided into six selection regions 11 with equal areas. The multiple selection areas can be independently discolored, and when the electrochromic device needs to be adjusted to discolor, the multiple selection areas can be adjusted to respective preset transmittance respectively to be displayed to a user, so that the user can select the required target transmittance according to the displayed effect. Specifically, when a user determines a required target transmittance, the key of the selection area corresponding to the target transmittance may be used to trigger the electrochromic device to generate a corresponding control signal, so that the electrochromic device changes color integrally along with the target transmittance, that is, the transmittance of the selected selection area may be kept unchanged, and other selection areas are respectively adjusted to the target transmittance, so that the overall transmittances of the electrochromic device are consistent. The display color-changing area of the electrochromic device is divided into a plurality of selection areas and is respectively and independently controlled, so that the color-changing speed of each selection area is improved, various references of final color-changing effects are provided for a user, and the user can better adjust the electrochromic device according to the needs.
Optionally, the electrochromic device provided in this embodiment may further include a dimming region, the dimming region and the selection region may change color independently respectively, the dimming region is configured to change color according to the target transmittance, and an area of the dimming region is larger than an area of the selection region. Specifically, the selection area may only occupy a part of the display color changing area of the electrochromic device, and the remaining part may be used as the dimming area. In the use process of the electrochromic device, a user can select the target transmittance required by the user according to the transmittance pattern displayed in the selection area and provide the target transmittance for the electrochromic device (as described above, the electrochromic device is triggered by the keys to generate corresponding control signals), and then the electrochromic device can control the dimming area to change color according to the target transmittance. By taking a smaller color-changing area in the electrochromic device as a selection area, a plurality of final states after color changing can be displayed for a user to select as needed, and convenience can be provided for the user to select when the electrochromic device is larger.
Further optionally, as shown in fig. 2, the selection area 21 includes a plurality of transmittance display frames 211 (illustrated in fig. 2 by taking three transmittance display frames 211 as an example), and each transmittance display frame 211 is used for displaying a different transmittance pattern. Specifically, the selection area 21 may provide a variety of transmittance patterns for the user in a static display manner, so that the user may select the transmittance patterns, and specifically, when the electrochromic device needs to be adjusted to change colors, the transmittance display frames 211 are respectively adjusted to respective preset transmittances to be displayed for the user, so that the user may select the desired target transmittance according to the displayed effect. When the user determines the required target transmittance, the key of the transmittance display frame corresponding to the target transmittance may be used to trigger the electrochromic device to generate a corresponding control signal, so that the dimming region 22 changes color according to the target transmittance, and the transmittance display frames other than the transmittance display frame selected by the user may also be controlled to change color according to the target transmittance, so that the overall transmittance of the electrochromic device is consistent. Optionally, as shown in fig. 2, each transmittance display frame 211 may be disposed along an edge of the electrochromic device, so that the extraction electrodes for independent control may be directly extracted from the edge of the electrochromic device, thereby avoiding visual discomfort caused by the extraction electrodes and improving convenience of the arrangement of the extraction electrodes. Optionally, the area ratio of the dimming region 22 to each transmittance display frame 211 is greater than or equal to 100, so that each transmittance display frame 211 can change color faster relative to the dimming region 22, and when necessary, the transmittance display frames 211 can be set in a relatively centralized manner, so that convenience is provided for the user to select.
Further optionally, the electrochromic device further includes an infrared sensing probe, and the infrared sensing probe is used for sensing whether a person approaches the electrochromic device, and when a person approaches, the transmittance of each transmittance display frame 211 is adjusted to a preset state. Specifically, whether need adjust electrochromic device and change colour can be judged through setting up infrared inductive probe, whether infrared inductive probe can respond to someone and be close to electrochromic device, when someone is close to, every transmissivity show frame 211 of control that can be automatic adjusts the transmissivity to respective state of predetermineeing to the pattern of showing multiple transmissivity is in order to supply the selection to the user. Accordingly, when no one approaches, each transmittance display frame 211 can be hidden, i.e., the transmittance of each transmittance display frame 211 is kept consistent with the transmittance of the dimming region 22, so as not to affect the normal use of the electrochromic device. Further, when someone approaches the electrochromic device and does not operate the electrochromic device within a preset time, each transmittance display frame 211 can be hidden, so as to avoid the influence caused by false triggering. The transmittance change of each transmittance display frame 211 is triggered by the infrared sensing probe, so that the use of a user can be more convenient, and the reference of the color change effect can be provided timely when the user needs the device.
Or alternatively, as shown in fig. 3, the selection area includes at least one slider bar 212 (shown in fig. 3 by including one slider bar 212 as an example), and the slider bar 212 is used to change the currently displayed transmittance pattern according to the sliding operation of the user and determine the target transmittance when the user stops sliding. Specifically, the selection area may also provide a variety of transmittance patterns for the user in a dynamic display manner, so that the user can select the transmittance pattern, and the specific user may change the transmittance of the slider 212 through a sliding operation performed on the slider switch corresponding to the slider 212, and when the user determines that the current transmittance is appropriate, the user may stop sliding, and then the electrochromic device may determine the current transmittance as the target transmittance after the user stops sliding for more than a preset time period, and generate a corresponding control signal, so that the dimming area 22 changes color according to the determined target transmittance. When the number of the slide bars 212 is plural, different transmittance change sections may be respectively set to provide a finer transmittance adjustment function for the user. Alternatively, as shown in fig. 3, the sliding bar 212 may be rectangular, and one side of the rectangle may be disposed along the edge of the electrochromic device, so that the extraction electrodes for independent control may be directly extracted from the edge of the electrochromic device, so as to avoid visual discomfort caused by the extraction electrodes, and also improve convenience in disposing the extraction electrodes. Optionally, the area ratio of the dimming region 22 to the sliding bar 212 is greater than or equal to 100, so as to ensure that the sliding bar 212 can complete color change faster relative to the dimming region 22, so as to provide various transmittance patterns for the user to select more quickly when necessary. Further, the infrared sensing probe can be used for triggering the sliding bar 212 to start working, namely when a person approaches, the sliding bar 212 can change the currently displayed transmittance mode according to the sliding operation of the user, and when no person approaches or someone approaches but does not operate within a preset time, the sliding bar 212 is controlled to be unadjustable, so that the transmittance of the sliding bar 212 is ensured to be consistent with the transmittance of the dimming area 22, and the normal use of the electrochromic device is not influenced.
On the basis of the above technical solution, optionally, as shown in fig. 4, the electrochromic device further includes a touch screen 46, and the touch screen 46 is disposed at a position of the selection area on the surface of the electrochromic device and/or near the selection area, and is configured to receive a touch action of the user, and determine the target transmittance selected by the user according to the touch action. Specifically, as shown in fig. 4, the electrochromic device provided in this embodiment may include a first substrate layer 41, a first conductive layer 42, an electrochromic layer 43, a second conductive layer 44, and a second substrate layer 45, which are sequentially stacked, wherein a display color changing area of the electrochromic device may be divided into a selection area and a dimming area by providing an etching groove 421 on the first conductive layer 42, and the selection area is set as an example along an edge of the electrochromic device in fig. 4, where a portion on the left side of the etching groove 421 is the selection area, and a portion on the right side of the etching groove 421 is the dimming area, and then a touch screen 46 may be disposed at a position of the selection area and/or beside the selection area on a surface of the electrochromic device, so that a user may perform a corresponding touch control action according to a transmittance displayed by the selection area. For example, when the selection area includes a plurality of transmittance display frames, the touch screen 46 may be disposed at a position corresponding to the selection area on the surface of the electrochromic device, and a user may determine a target transmittance by touch-clicking a certain transmittance display frame to trigger the dimming area to start color change, where the position of the touch screen 46 may be determined according to the position of the selection area, so as to be more convenient for the user to use; when the selection area comprises at least one sliding strip, the touch screen 46 can be arranged at a position beside the selection area on the surface of the electrochromic device, so that a user can determine the target transmittance through the process of touch sliding and trigger the dimming area to start color change by stopping sliding, and at the moment, the sliding operation of the user does not obstruct the display of the sliding strip, so that clearer transmittance reference can be provided for the user. Alternatively, as shown in fig. 4, touch screen 46 may be attached to first substrate layer 41 by optical glue 47. Further, the touch screen 46 may be further configured to trigger the transmittance display frame to be adjusted to a preset state, or trigger the sliding bar to start working, and the like, that is, when a user needs to adjust the transmittance of the electrochromic device, the touch screen 46 may be clicked to replace the function of the infrared sensing probe.
As a further alternative, as shown in fig. 5, the electrochromic device further includes a pattern layer 48, and the pattern layer 48 is disposed on the surface of the electrochromic device in an area outside and/or beside the touch screen 46 for marking the position of the touch screen 46. Specifically, when the transmittance of the selected area is consistent with that of the dimming area, it is difficult for the user to determine the position of the touch screen 46, and therefore, the position of the touch screen 46 can be prompted by setting the pattern layer 48, so as to facilitate the operation of the user, and specifically, the position can be set outside the touch screen 46 on the surface of the electrochromic device, so as to accurately indicate the position of the touch screen 46, and also can be set beside the touch screen 46 on the surface of the electrochromic device and point to the touch screen 46, so as to reduce the shielding of the selected area, and thus provide a clearer transmittance reference for the user.
Based on the above technical solution, optionally, as shown in fig. 6, the electrochromic device further includes a preview area 23 (shown in fig. 6 by taking the selection area 21 including the plurality of transmittance display frames 211 as an example), the preview area 23, the selection area 21 and the dimming area 22 can be independently changed in color respectively, the preview area 23 is used for being changed in color according to the target transmittance simultaneously with the dimming area 22, and an area of the dimming area 22 is larger than an area of the preview area 23. Specifically, after the user determines the target transmittance through the selection area 21, the electrochromic device may generate a control signal to simultaneously control the preview area 23 and the dimming area 22 to start to change color according to the target transmittance. Because the area of preview region 23 is less than the area of region 22 of adjusting luminance, therefore preview region 23 can be more fast the completion discolour to can provide quick preview function for the user, with feedback to the user, make the user know that electrochromic device has begun to respond to discolour, thereby avoid user's repetitive operation, promote user's use experience greatly. Optionally, the area ratio of the dimming region 22 to the preview region 23 is greater than or equal to 100, so that the time required for the preview region 23 to complete color change can be greatly shortened, and a preview function can be provided for a user more quickly.
Further optionally, the distance between the preview area 23 and the selection area 21 is smaller than the preset distance, that is, the preview area 23 may be disposed near the selection area 21, so that the user can conveniently observe the transmittance change of the preview area 23 while selecting the target transmittance according to the transmittance style shown in the selection area 21, thereby better using the preview function provided by the preview area 23.
The electrochromic device provided by the embodiment of the invention comprises a selection area, wherein the selection area is used for providing a plurality of transmittance patterns for a user, so that the electrochromic device changes color according to a target transmittance selected by the user based on the selection area. The mode of multiple transmittance is provided by arranging the selection area on the electrochromic device, the final state of the electrochromic device after color change is finished is displayed to a user in advance, the user can directly select the required target transmittance according to the final state, the user can adjust the electrochromic device according to the requirement, the problem that whether the color change result reaches the expectation after long-time waiting is solved, the waiting time of the user is saved, and the experience of the user is greatly improved.
Example two
The second embodiment of the invention also provides electronic equipment which comprises the electrochromic device provided by any embodiment of the invention and has a corresponding functional structure and beneficial effects of the electrochromic device. Specifically, the electronic device may be architectural glass, vehicle window glass, a dimming film sheet, and the like, and specifically may include at least a first glass, a first adhesive layer, an electrochromic device, a second adhesive layer, and a second glass, which are sequentially stacked, a controller for controlling the electrochromic device to change color, a power supply for supplying power, and the like. Particularly, when the electrochromic device needs to comprise a touch screen or a pattern layer, the touch screen or the pattern layer can be arranged on the surface of the electrochromic device, the surface of the first glass or the second glass, and the like.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. An electrochromic device, characterized in that the electrochromic device comprises a selection area, wherein the selection area is used for providing a plurality of transmittance patterns for a user, so that the electrochromic device changes color according to a target transmittance selected by the user based on the selection area.
2. The electrochromic device according to claim 1, further comprising a touch screen, wherein the touch screen is disposed at a position of the selection area on the surface of the electrochromic device and/or beside the selection area, and configured to receive a touch action of a user, and determine the target transmittance selected by the user according to the touch action.
3. The electrochromic device according to claim 2, further comprising a pattern layer disposed on a surface of the electrochromic device in an area outside and/or beside the touch screen for marking a position of the touch screen.
4. The electrochromic device according to claim 1, further comprising a dimming region, wherein the dimming region and the selection region are independently color-changeable, and the dimming region is configured to change color according to the target transmittance, wherein the area of the dimming region is larger than the area of the selection region.
5. The electrochromic device according to claim 4, further comprising a preview region, wherein the preview region is independently color-changeable from the selection region and the dimming region, respectively, and wherein the preview region is configured to be color-changeable according to the target transmittance simultaneously with the dimming region, and wherein the area of the dimming region is larger than the area of the preview region.
6. The electrochromic device of claim 5, wherein a distance between the preview area and the selection area is less than a preset distance.
7. The electrochromic device according to claim 4, wherein the selection area comprises a plurality of transmittance display frames, each transmittance display frame being configured to display a different transmittance pattern.
8. The electrochromic device according to claim 7, further comprising an infrared sensing probe for sensing whether a person is approaching the electrochromic device and adjusting the transmittance of each transmittance display frame to a preset state when a person is approaching the electrochromic device.
9. The electrochromic device according to claim 4, wherein the selection area comprises at least one slider for changing a pattern of the transmittance currently displayed according to a sliding operation of a user and determining the target transmittance when the user stops sliding.
10. An electronic device comprising an electrochromic device according to any one of claims 1 to 9.
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PCT/CN2022/099177 WO2022267975A1 (en) 2021-06-25 2022-06-16 Electrochromic device, control method and apparatus therefor

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2022267975A1 (en) * 2021-06-25 2022-12-29 深圳市光羿科技有限公司 Electrochromic device, control method and apparatus therefor

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