KR20170043828A - Controlling apparatus for Electrochromic device, Electrochromic module comprising the same and controlling method for Electrochromic device - Google Patents
Controlling apparatus for Electrochromic device, Electrochromic module comprising the same and controlling method for Electrochromic device Download PDFInfo
- Publication number
- KR20170043828A KR20170043828A KR1020150143385A KR20150143385A KR20170043828A KR 20170043828 A KR20170043828 A KR 20170043828A KR 1020150143385 A KR1020150143385 A KR 1020150143385A KR 20150143385 A KR20150143385 A KR 20150143385A KR 20170043828 A KR20170043828 A KR 20170043828A
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- South Korea
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- voltage
- electrochromic device
- electrochromic
- initial
- initial applied
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
- G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
- G09G3/19—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source using electrochromic devices
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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
- G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The present invention relates to a control device for an electrochromic device, an electrochromic module including the electrochromic device, and a control method for the electrochromic device. According to one aspect of the present invention, there is provided a control device for an electrochromic device, A measuring unit for measuring an open circuit voltage of the electrochromic device; And a controller configured to control the power supply unit to apply the initial applied voltage to the electrochromic device for a predetermined time when the difference between the voltage measured at the measuring unit and the initial applied voltage is equal to or greater than a predetermined value after the initial applied voltage is applied and the power supply is cut off A control device for an electrochromic device including a control unit is provided.
Description
The present invention relates to a control device for an electrochromic device, an electrochromic module including the same, and a control method for the electrochromic device.
Electrochromism is a phenomenon that reversibly changes color when electrochemically oxidizing or reducing the electrode material. A device made of an organic or inorganic electrochromic material can be manufactured as a wide area device at a low cost even though the response speed is slower than that of a conventional cathode ray tube (CRT), a liquid crystal display (LCD), or a light emitting diode (LED) Because it has low power consumption, it can be applied to many fields such as smart window, smart mirror, and electronic paper.
In particular, the development of smart windows / films using electrochromic materials can reduce the emission of fossil fuel emissions through the utilization of alternative energy, save energy, and contribute to environmental conservation. Therefore, The development of a new concept window that can control the active function such as the effect and the heat transmission can improve the quality of life by improving the residential culture and office environment.
Meanwhile, the smart window type can be divided into a passive type and an active type, and the active type can be classified into three methods according to the driving method: PDLC, SPD / DPS, and EC. Here, the EC method can have an advantage over other methods in terms of the driving method (power consumption, switching time, etc.) and cost.
On the other hand, an electrochromic device is known to have an advantage that coloration / discoloration is maintained by a memory effect function in a coloring / discoloring process. However, in this case, self-bleaching occurs due to an unbalanced ion concentration over time.
An object of the present invention is to provide a control device for an electrochromic device capable of controlling self-discoloration, an electrochromic module including the device, and a control method for the electrochromic device.
It is another object of the present invention to provide a control device for an electrochromic device capable of maintaining a constant degree of coloring, an electrochromic module including the electrochromic device, and a control method for the electrochromic device.
According to an aspect of the present invention, there is provided an electrochromic device comprising: a power supply unit for applying a voltage to an electrochromic device; A measuring unit for measuring an open circuit voltage of the electrochromic device; And a controller configured to control the power supply unit to apply the initial applied voltage to the electrochromic device for a predetermined time when the difference between the voltage measured by the measuring unit and the initial applied voltage is equal to or greater than a predetermined value after the initial applied voltage is applied and the power supply is cut off A control device for an electrochromic device including a control unit is provided.
According to still another aspect of the present invention, there is provided a method of manufacturing an electrochromic device, comprising: blocking a voltage supplied to an electrochromic device after coloring of the electrochromic device; measuring a difference between a voltage measured from the electrochromic device in an open circuit, The voltage applied to the electrochromic device for an initial applied voltage for a predetermined period of time is provided.
According to still another aspect of the present invention, there is provided an electrochromic device comprising: an electrochromic device that is colored or discolored by an applied driving voltage; A power supply unit for applying a voltage to the electrochromic device; A measuring unit for measuring a voltage of the electrochromic device; And a controller configured to control the power supply unit to apply the initial applied voltage to the electrochromic device for a predetermined time when the difference between the voltage measured at the measuring unit and the initial applied voltage is equal to or greater than a predetermined value after the initial applied voltage is applied and the power supply is cut off An electrochromic module comprising a control portion is provided.
According to still another aspect of the present invention, there is provided a method of fabricating an electrochromic device, comprising: (a) coloring an electrochromic device through an initial applied voltage; (B) measuring a voltage of the electrochromic device in a state in which a voltage applied to the electrochromic device is blocked for a predetermined time after coloring; And (c) applying an initial applied voltage to the electrochromic device when the difference between the measured voltage and the initial applied voltage is equal to or greater than a predetermined value.
As described above, according to the electrochromic device control device, the electrochromic module and the electrochromic device control method according to at least one embodiment of the present invention, it is possible to maintain the degree of discoloration of the electrochromic device at a certain level have.
1 is a cross-sectional view showing an electrochromic device related to the present invention.
2 is a graph for explaining voltage reduction in an open circuit of an electrochromic device.
3 is a configuration diagram showing a control device for an electrochromic device according to an embodiment of the present invention.
Hereinafter, a control apparatus for an electrochromic device according to an embodiment of the present invention, an electrochromic module including the same, and a control method for the electrochromic device will be described in detail with reference to the accompanying drawings.
In addition, the same or corresponding reference numerals are given to the same or corresponding reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. For convenience of explanation, the size and shape of each constituent member shown in the drawings are exaggerated or reduced .
FIG. 1 is a cross-sectional view showing the
In this document, the
1, an
In the
The
The
In addition, the
The
After the
Specifically, the
The
At this time, the state in which the voltage applied to the
On the other hand, the upper area on the horizontal axis in Fig. 2 corresponds to the colored area, and the lower area on the horizontal axis corresponds to the discolored area. The
As a result of the experiment, the value of the measured open circuit voltage decreases with time based on the voltage value applied to the
In the
The control device of the electrochromic device and the control method of the electrochromic device through the electrochromic module will be described below.
A method of controlling an electrochromic device according to an embodiment of the present invention includes the steps of (a) coloring an electrochromic device through an initial applied voltage, and (d) applying a voltage applied to the electrochromic device for a predetermined time after coloring, (B) measuring the voltage of the device; and (c) applying the initial applied voltage to the electrochromic device when the difference between the measured voltage and the initial applied voltage is equal to or greater than a predetermined value.
As described above, in step (c), the initial applied voltage may be applied to the electrochromic device for a predetermined time when the measured voltage is reduced to 20 to 40% of the initial applied voltage. Also, in step (c), when the measured voltage is reduced to 20 to 40% of the maximum voltage applied during coloring, the maximum voltage may be applied to the electrochromic device for a predetermined time.
The foregoing description of the preferred embodiments of the present invention has been presented for purposes of illustration and various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention, And additions should be considered as falling within the scope of the following claims.
1: electrochromic module
100: electrochromic device
101, 102: substrate
110: first electrode
120: electrochromic layer
130: ion conductor layer
140: ion storage layer
150: second electrode
200: Control device of electrochromic device
210: Power supply
220:
230:
Claims (12)
A measuring unit for measuring an open circuit voltage of the electrochromic device; And
A control unit configured to control the power supply unit to apply the initial applied voltage to the electrochromic device for a predetermined time when the difference between the voltage measured by the measuring unit and the initial applied voltage is equal to or greater than a predetermined value after the initial applied voltage is applied and the power supply is cut off, And a control unit for controlling the electrochromic device.
And the controller applies the initial applied voltage to the electrochromic device for a predetermined time when the measured voltage is reduced to 20 to 40% of the initial applied voltage.
Wherein the control unit applies the maximum voltage to the electrochromic device for a predetermined time when the measured voltage is reduced to 20 to 40% of a maximum voltage applied during coloring.
Wherein the initial applied voltage is a voltage for coloring the electrochromic device.
A power supply unit for applying a voltage to the electrochromic device;
A measuring unit for measuring a voltage of the electrochromic device; And
A control unit configured to control the power supply unit to apply the initial applied voltage to the electrochromic device for a predetermined time when the difference between the voltage measured by the measuring unit and the initial applied voltage is equal to or greater than a predetermined value after the initial applied voltage is applied and the power supply is cut off, And an electrochromic module.
And the control unit applies the initial applied voltage to the electrochromic device for a predetermined time when the measured voltage is reduced to 20 to 40% of the initial applied voltage.
Wherein the control unit applies the maximum voltage to the electrochromic device for a predetermined time when the measured voltage is reduced to 20 to 40% of a maximum voltage applied during coloring.
Wherein the initial applied voltage is a voltage for coloring the electrochromic device.
(b) measuring a voltage of the electrochromic device in a state in which a voltage applied to the electrochromic device is blocked for a predetermined time after coloring; And
(c) applying an initial applied voltage to the electrochromic device when the difference between the measured voltage and the initial applied voltage is greater than or equal to a predetermined value.
In the step (c), when the measured voltage is reduced to 20 to 40% of the initial applied voltage, an initial applied voltage is applied to the electrochromic device for a predetermined time.
Wherein in step (c), the maximum voltage is applied to the electrochromic device for a predetermined time when the measured voltage is reduced to 20 to 40% of a maximum voltage applied during coloring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020150143385A KR20170043828A (en) | 2015-10-14 | 2015-10-14 | Controlling apparatus for Electrochromic device, Electrochromic module comprising the same and controlling method for Electrochromic device |
Applications Claiming Priority (1)
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KR1020150143385A KR20170043828A (en) | 2015-10-14 | 2015-10-14 | Controlling apparatus for Electrochromic device, Electrochromic module comprising the same and controlling method for Electrochromic device |
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KR20170043828A true KR20170043828A (en) | 2017-04-24 |
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KR1020150143385A KR20170043828A (en) | 2015-10-14 | 2015-10-14 | Controlling apparatus for Electrochromic device, Electrochromic module comprising the same and controlling method for Electrochromic device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113686544A (en) * | 2021-08-13 | 2021-11-23 | Oppo广东移动通信有限公司 | Electrochromic response time detection method and device for electrochromic device and storage medium |
WO2022124719A1 (en) * | 2020-12-11 | 2022-06-16 | 립하이 주식회사 | Electrochromic element and electrochromic device including same |
CN115148168A (en) * | 2021-03-30 | 2022-10-04 | Oppo广东移动通信有限公司 | Control method, electronic device, and computer-readable storage medium |
-
2015
- 2015-10-14 KR KR1020150143385A patent/KR20170043828A/en not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022124719A1 (en) * | 2020-12-11 | 2022-06-16 | 립하이 주식회사 | Electrochromic element and electrochromic device including same |
CN115148168A (en) * | 2021-03-30 | 2022-10-04 | Oppo广东移动通信有限公司 | Control method, electronic device, and computer-readable storage medium |
CN115148168B (en) * | 2021-03-30 | 2023-10-10 | Oppo广东移动通信有限公司 | Control method, electronic device, and computer-readable storage medium |
CN113686544A (en) * | 2021-08-13 | 2021-11-23 | Oppo广东移动通信有限公司 | Electrochromic response time detection method and device for electrochromic device and storage medium |
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