CN109358753B - Manual control color-changing glass with crosstalk prevention function and automobile comprising same - Google Patents

Manual control color-changing glass with crosstalk prevention function and automobile comprising same Download PDF

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Publication number
CN109358753B
CN109358753B CN201811300645.1A CN201811300645A CN109358753B CN 109358753 B CN109358753 B CN 109358753B CN 201811300645 A CN201811300645 A CN 201811300645A CN 109358753 B CN109358753 B CN 109358753B
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transparent conductive
conductive layer
glass
liquid crystal
mutually insulated
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CN109358753A (en
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孙滕谌
庄玮
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Autoeasy Electronic Technology Co ltd
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Autoeasy Electronic Technology Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Position Input By Displaying (AREA)

Abstract

The invention provides manual control color-changing glass with a crosstalk prevention function, which comprises an outer layer glass plate and an inner layer glass plate, wherein at least two transparent conductive layers are arranged between the outer layer glass plate and the inner layer glass plate, and a liquid crystal layer is arranged between the transparent conductive layers; at least one transparent conductive layer is provided with a plurality of mutually insulated conductive areas, and sensing electrodes of a capacitive touch sensor and/or zoned driving electrodes of liquid crystal are formed by adjacent mutually insulated conductive areas; and a steering switch is arranged in the control circuit of the color-changing glass, and a driving signal of the liquid crystal is periodically and time-division connected with an excitation signal of the capacitive touch sensor. The beneficial effects are as follows: according to the invention, the reversing switch is arranged in the circuit, and the liquid crystal and the capacitive touch sensor are periodically switched on in a time-sharing way through the reversing switch, so that the problem of crosstalk between a driving signal of the liquid crystal and an excitation signal of the capacitive touch sensor is avoided, and the control accuracy is improved.

Description

Manual control color-changing glass with crosstalk prevention function and automobile comprising same
Technical Field
The invention relates to glass, in particular to manual control color-changing glass with a crosstalk prevention function and an automobile comprising the glass.
Background
The conventional operation mode for controlling the color-changing glass to change color by means of a conventional mechanical switch or a special remote controller is inconvenient. For example, when the human hand is not clean or the article is held in the human hand, the human body cannot control the color-changing glass to change color through the traditional mechanical switch or the special remote controller; in addition, the remote controller for controlling the color change of the color-changing glass is extremely easy to lose and inconvenient to use; when the color-changing glass is controlled to change color through a traditional mechanical switch or a special remote controller, the color-changing mode and the color-changing area of the color-changing glass are set and cannot be adjusted according to the needs. Therefore, the existing operation of controlling the color-changing glass to change color through a switch or a remote controller cannot meet the use requirement of a user.
In addition, since the conventional technology of controlling the color change glass by the gesture does not occur, the conventional technology does not exist to solve the problem that crosstalk occurs between the control signal of the capacitive sensor for gesture control and the driving signal of the liquid crystal.
Therefore, it is necessary to develop a manual color-changing glass with crosstalk prevention function.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides manual control color-changing glass with an anti-crosstalk function.
The invention relates to manual control color-changing glass with crosstalk prevention function, which has the technical scheme that:
the glass comprises an outer layer glass plate and an inner layer glass plate, wherein at least two transparent conductive layers are arranged between the outer layer glass plate and the inner layer glass plate, and a liquid crystal layer is arranged between the transparent conductive layers; at least one transparent conductive layer is provided with a plurality of mutually insulated conductive areas, and sensing electrodes of a capacitive touch sensor and/or zoned driving electrodes of liquid crystal are formed by adjacent mutually insulated conductive areas; a steering switch is arranged in the control circuit of the color-changing glass, and a driving signal of the liquid crystal is periodically switched on in a time-sharing way with an excitation signal of the capacitive touch sensor; the capacitive touch sensor is used to identify an action region or direction of a touch or gesture.
A first transparent conductive layer and a second transparent conductive layer are sequentially arranged between the outer layer glass plate and the inner layer glass plate; the first transparent conductive layer is provided with a whole conductive area which is used as a multiplexing electrode of a common driving electrode of liquid crystal and a shielding electrode of the capacitive touch sensor, the second transparent conductive layer is provided with a plurality of conductive areas which are mutually insulated, and the conductive areas are used as a multiplexing electrode of a partition driving electrode of the liquid crystal and a sensing electrode of the capacitive touch sensor; or, the first transparent conductive layer and the second transparent conductive layer are respectively provided with a plurality of mutually insulated conductive areas, and the mutually insulated conductive areas on the first transparent conductive layer and the mutually insulated conductive areas on the second transparent conductive layer are respectively used as the partition driving electrode of the liquid crystal and the multiplexing electrode of the sensing electrode of the capacitive touch sensor.
The liquid crystal display device comprises an outer glass plate, an inner glass plate, a liquid crystal layer, a first transparent conductive layer, a second transparent conductive layer, a third transparent conductive layer, a plurality of mutually insulated conductive areas, a multiplexing electrode, and a plurality of mutually insulated conductive areas, wherein the first transparent conductive layer, the second transparent conductive layer and the third transparent conductive layer are sequentially arranged between the outer glass plate and the inner glass plate, the liquid crystal layer is arranged between the first transparent conductive layer and the second transparent conductive layer, the mutually insulated conductive areas are arranged on the first transparent conductive layer and serve as partition driving electrodes of liquid crystal, the mutually insulated conductive areas on the second transparent conductive layer serve as partition driving electrodes of liquid crystal and sensing electrodes of a capacitive touch sensor, and the mutually insulated conductive areas on the third transparent conductive layer serve as sensing electrodes of the capacitive touch sensor.
The capacitive touch sensor comprises an outer glass plate, an inner glass plate, a liquid crystal layer, a first transparent conductive layer, a second transparent conductive layer, a third transparent conductive layer and a fourth transparent conductive layer, wherein the first transparent conductive layer, the second transparent conductive layer, the third transparent conductive layer and the fourth transparent conductive layer are sequentially arranged between the outer glass plate and the inner glass plate, the liquid crystal layer is arranged between the first transparent conductive layer and the second transparent conductive layer, a plurality of mutually insulated conductive areas are arranged on the first transparent conductive layer, the mutually insulated conductive areas on the first transparent conductive layer and the mutually insulated conductive areas on the second transparent conductive layer are all used as partition driving electrodes of liquid crystal, and the mutually insulated conductive areas on the third transparent conductive layer and the mutually insulated conductive areas on the fourth transparent conductive layer are all used as sensing electrodes of the capacitive touch sensor.
Wherein each switching period T is composed of two sub-periods T1 and T2:
at the time T1, the steering switch in the circuit is connected with the driving signal of the liquid crystal, and at the time T2, the steering switch in the circuit is connected with the excitation signal of the capacitive touch sensor; wherein T2 is less than 200 milliseconds.
Wherein the distance between adjacent mutually insulated conductive areas is less than 2mm.
Wherein the mutually insulated conductive areas are rectangular, parallelogram or triangle in shape.
The first transparent insulating layer is arranged between the second transparent conductive layer and the third transparent conductive layer, a plurality of mutually insulated conductive areas on the first transparent conductive layer and a plurality of mutually insulated conductive areas on the second transparent conductive layer are distributed in a crossing way, and a plurality of mutually insulated conductive areas on the second transparent conductive layer and a plurality of mutually insulated conductive areas on the third transparent conductive layer are distributed in a crossing way.
The second transparent conductive layer and the third transparent conductive layer are provided with a first transparent insulating layer, a second transparent insulating layer is arranged between the third transparent conductive layer and the fourth transparent conductive layer, a plurality of mutually insulated conductive areas on the first transparent conductive layer and a plurality of mutually insulated conductive areas on the second transparent conductive layer are distributed in a crossing way, and a plurality of mutually insulated conductive areas on the third transparent conductive layer and a plurality of mutually insulated conductive areas on the fourth transparent conductive layer are distributed in a crossing way.
The invention also provides a preparation method of the manual control color-changing glass with the crosstalk prevention function, which is characterized by comprising the following steps: firstly, arranging at least two transparent conductive layers between two glass plates, and arranging a liquid crystal film between the two transparent conductive layers; then, a plurality of mutually insulated conductive areas are arranged on at least one transparent conductive layer, and the conductive areas are used as driving signals of liquid crystals and/or excitation signals of a capacitive touch sensor; finally, a steering switch is arranged in the control circuit of the color-changing glass, and the steering switch is enabled to be periodically connected with a driving signal of the liquid crystal and an excitation signal of the capacitive touch sensor in a time-sharing mode.
Wherein each switching period T is composed of two sub-periods T1 and T2:
at time T1, the steering switch in the circuit is connected with the driving signal of the liquid crystal so as to change the liquid crystal from opaque to transparent, and at time T2, the steering switch in the circuit is connected with the excitation signal of the capacitive touch sensor so as to measure the capacitance value of the capacitive touch sensor.
The measurement period T2 of the capacitive touch sensor is less than the delay time T2 for the liquid crystal to change from transparent to opaque when the power is off.
The invention also provides an automobile which is characterized in that the automobile comprises the manual control color-changing glass with the crosstalk prevention function as claimed in any one of claims 1 to 9.
The implementation of the invention comprises the following technical effects:
according to the invention, the reversing switch is arranged in the circuit, and the liquid crystal and the capacitive touch sensor are periodically switched on in a time-sharing way through the reversing switch, so that the problem of crosstalk between a driving signal of the liquid crystal and an excitation signal of the capacitive touch sensor is avoided, and the control accuracy is improved.
When two transparent conductive layers are provided between two glass plates:
the whole conductive area is arranged on the conductive layer close to the outer glass plate, the common control electrode of the liquid crystal and the shielding electrode of the capacitive touch sensor multiplex the whole conductive area, the conductive layer close to the inner glass plate is provided with a plurality of mutually insulated conductive areas, and the multiplexing electrodes of the partition driving electrode of the liquid crystal and the sensing electrode of the capacitive touch sensor multiplex the mutually insulated conductive areas.
When the two transparent conductive layers are provided with a plurality of mutually insulated conductive areas, the multiplexing electrodes of the partitioned driving electrodes of the liquid crystal and the sensing electrodes of the capacitive touch sensor multiplex the plurality of mutually insulated conductive areas on the two transparent conductive layers.
When three transparent conductive layers are provided between two glass plates: the three layers of transparent conductive layers are respectively provided with a plurality of mutually insulated conductive areas, the plurality of mutually insulated conductive areas on the transparent conductive layer close to the outer layer glass plate are only partition driving electrodes of liquid crystal, the plurality of mutually insulated conductive areas on the transparent conductive layer close to the inner layer glass plate are only sensing electrodes of the capacitive touch sensor, and the plurality of mutually insulated conductive areas of the middle layer are multiplexing electrodes of the partition driving electrodes of the liquid crystal and the sensing electrodes of the capacitive touch sensor; the structure not only can realize two-dimensional control of the color-changing glass, namely horizontal or vertical pulling or closing of the color-changing glass can be realized at the same time, but also can realize single-side-inner control of the color-changing glass, and accidental pulling of curtains from the outer side is avoided, so that privacy is protected, and because a plurality of mutually insulated conductive areas on the transparent conductive layer close to the inner glass plate are only sensing electrodes of the capacitive touch sensor, mutual crosstalk between a liquid crystal control signal and a capacitive sensor excitation signal can be avoided without adopting a complex hardware circuit.
When four transparent conductive layers are provided between two glass plates: the structure not only can realize two-dimensional control of the color-changing glass, namely horizontal or vertical pulling or closing of the color-changing glass, but also can realize one-side-inner control of the color-changing glass, thereby avoiding unexpected pulling of a curtain from the outer side, protecting privacy, and the independent control electrode of the liquid crystal is completely independent of the sensing electrode of the capacitive touch sensor, so that the liquid crystal control signal and the capacitive touch sensor excitation signal are not interfered with each other, and the reliability of anti-interference and touch or gesture control is high.
Drawings
Fig. 1 is a schematic structural diagram of a manual color-changing glass with crosstalk prevention function, which contains two transparent conductive layers.
Fig. 2 is a schematic structural diagram of a manual color-changing glass with crosstalk prevention function, which contains three transparent conductive layers.
Fig. 3 is a schematic structural diagram of a manual color-changing glass with crosstalk prevention function, which contains four transparent conductive layers.
Fig. 4 is a horizontal layout of a plurality of mutually insulated conductive areas of a manual color change glass with crosstalk prevention function according to the present invention.
Fig. 5 is a vertical layout of a plurality of mutually insulated conductive areas of a manual color shifting glass with crosstalk prevention function according to the present invention.
Fig. 6 is a schematic circuit diagram of a plurality of mutually insulated conductive areas of a manual chromic glass having crosstalk prevention function according to the present invention.
Fig. 7 is an electrode layout of a capacitive touch sensor of a manual color shifting glass with crosstalk prevention function of the present invention.
Fig. 8 is a schematic diagram of a circuit for periodically and time-sharing application of a liquid crystal control signal and a capacitive excitation signal of a manual control color-changing glass with crosstalk prevention function according to the present invention.
Fig. 9 is a schematic diagram of time sequence distribution of time-sharing application of a liquid crystal driving signal and a capacitance excitation signal of a manual control color-changing glass with crosstalk prevention function according to the present invention.
Fig. 10 is a schematic diagram of signal distribution in one period in fig. 9.
Detailed Description
The invention will now be described in detail with reference to the following examples and the accompanying drawings, it being pointed out that the examples described are intended only to facilitate an understanding of the invention and are not intended to be limiting in any way.
The directions described in the present application are used for convenience as described above and below and left and right with reference to the drawings, and do not limit the scope of protection.
As shown in fig. 1-3, the manual control color-changing glass with the crosstalk prevention function provided by the embodiment comprises an outer layer glass plate 1 and an inner layer glass plate 2, wherein at least two transparent conductive layers are arranged between the outer layer glass plate 1 and the inner layer glass plate 2, and a liquid crystal layer 7 is arranged between the transparent conductive layers; at least one layer of transparent conductive layer is provided with a plurality of mutually insulated conductive areas, and adjacent mutually insulated conductive areas form sensing electrodes and/or liquid crystal partition driving electrodes of a capacitive touch sensor, wherein the capacitive touch sensor is used for identifying the action area or direction of touch or gesture. In this embodiment, a plurality of conductive areas insulated from each other are disposed on at least one transparent conductive layer, and the adjacent conductive areas insulated from each other form sensing electrodes of the capacitive touch sensor, so as to form a plurality of capacitive touch sensors, and whether the color-changing glass needs to be controlled to change color and the color-changing direction or not can be judged by detecting whether the capacitance values of the capacitive touch sensors change and the changing sequence.
As shown in fig. 1, a first transparent conductive layer 3 and a second transparent conductive layer 4 are sequentially arranged between the outer layer glass plate 1 and the inner layer glass plate 2; the first transparent conductive layer 3 is provided with a whole conductive area which is used as a multiplexing electrode of a common driving electrode of liquid crystal and a shielding electrode of the capacitive touch sensor, and the second transparent conductive layer 4 is provided with a plurality of conductive areas which are mutually insulated and used as a multiplexing electrode of a partition driving electrode of liquid crystal and a sensing electrode of the capacitive touch sensor. According to the embodiment, the whole conductive area is arranged on the conductive layer close to the outer layer glass plate, the common control electrode of the liquid crystal and the shielding electrode of the capacitive touch sensor multiplex the whole conductive area, the conductive layer close to the inner layer glass plate is provided with the plurality of mutually insulated conductive areas, and the multiplexing electrode of the partition driving electrode of the liquid crystal and the sensing electrode of the capacitive touch sensor multiplex the plurality of mutually insulated conductive areas.
As shown in fig. 1, the first transparent conductive layer 3 and the second transparent conductive layer 4 are provided with a plurality of conductive areas insulated from each other, and the plurality of conductive areas insulated from each other on the first transparent conductive layer 3 and the plurality of conductive areas insulated from each other on the second transparent conductive layer 4 are used as the partition driving electrode of the liquid crystal and the multiplexing electrode of the sensing electrode of the capacitive touch sensor. In the embodiment, when the plurality of mutually insulated conductive areas are arranged on the two transparent conductive layers, the plurality of mutually insulated conductive areas are multiplexed by the partition driving electrode of the liquid crystal and the multiplexing electrode of the sensing electrode of the capacitive touch sensor, so that the structure is low in cost, and the two-dimensional control of the color-changing glass can be realized, namely the color-changing glass can be pulled open or closed horizontally or vertically.
As shown in fig. 2, a first transparent conductive layer 3, a second transparent conductive layer 4 and a third transparent conductive layer 5 are sequentially arranged between the outer glass plate 1 and the inner glass plate 2, a liquid crystal layer 7 is arranged between the first transparent conductive layer 3 and the second transparent conductive layer 4, a plurality of mutually insulated conductive areas are respectively arranged on the first transparent conductive layer 3, the second transparent conductive layer 4 and the third transparent conductive layer 5, the mutually insulated conductive areas on the first transparent conductive layer 3 are used as partition driving electrodes of liquid crystal, and the mutually insulated conductive areas on the second transparent conductive layer 4 are used as multiplexing electrodes of partition driving electrodes of liquid crystal and sensing electrodes of a capacitive touch sensor; the plurality of mutually insulated conductive areas on the third transparent conductive layer 5 serve as sensing electrodes of the capacitive touch sensor. In the embodiment, the plurality of mutually insulated conductive areas on the transparent conductive layer close to the outer layer glass plate are only partition driving electrodes of liquid crystal, the plurality of mutually insulated conductive areas on the transparent conductive layer close to the inner layer glass plate are only sensing electrodes of the capacitive touch sensor, and the plurality of mutually insulated conductive areas of the middle layer are multiplexing electrodes of the partition driving electrodes of the liquid crystal and multiplexing electrodes of the sensing electrodes of the capacitive touch sensor; the structure not only can realize two-dimensional control of the color-changing glass, and can realize horizontal or vertical pulling or closing of the color-changing glass, but also can realize single-side and inner-side control of the color-changing glass, thereby avoiding accidental pulling of curtains from the outer side, protecting privacy.
As shown in fig. 3, a first transparent conductive layer 3, a second transparent conductive layer 4, a third transparent conductive layer 5 and a fourth transparent conductive layer 6 are sequentially disposed between the outer glass plate 1 and the inner glass plate 2, a liquid crystal layer 7 is disposed between the first transparent conductive layer 1 and the second transparent conductive layer 2, a plurality of conductive areas insulated from each other are disposed on the first transparent conductive layer 1, the second transparent conductive layer 2, the third transparent conductive layer 3 and the fourth transparent conductive layer 4, the conductive areas insulated from each other on the first transparent conductive layer 3 and the conductive areas insulated from each other on the second transparent conductive layer 4 are all used as partition driving electrodes of the liquid crystal, and the conductive areas insulated from each other on the third transparent conductive layer 5 and the conductive areas insulated from each other on the fourth transparent conductive layer 6 are all used as sensing electrodes of the capacitive touch sensor. According to the embodiment, the plurality of mutually insulated conductive areas on the two transparent conductive layers close to the outer glass plate are all independent control electrodes of liquid crystal, the plurality of mutually insulated conductive areas on the two transparent conductive layers close to the inner glass plate are all sensing electrodes of the capacitive touch sensor, the structure can realize two-dimensional control of the color-changing glass, horizontal or vertical pulling or closing of the color-changing glass can be realized, one-side-inner control of the color-changing glass can be realized, accidental pulling of a curtain from the outer side is avoided, privacy is protected, and the independent control electrodes of the liquid crystal and the sensing electrodes of the capacitive touch sensor are completely independent, so that mutual interference between liquid crystal control signals and capacitive sensor excitation signals is avoided, and reliability of anti-interference and touch or gesture control is high.
Preferably, the spacing between adjacent said mutually insulated conductive areas is less than 2mm. According to the embodiment, the distance between the adjacent mutually insulated conductive areas is smaller than 2mm, so that stripes are avoided when the electronic curtain is transparent.
The shape of the mutually insulated conductive areas can be any shape, such as rectangle, parallelogram, triangle, etc.
Preferably, as shown in fig. 2, a first transparent insulating layer 8 is disposed between the second transparent conductive layer 4 and the third transparent conductive layer 5, and a plurality of mutually insulated conductive areas on the first transparent conductive layer 3 and a plurality of mutually insulated conductive areas on the second transparent conductive layer 4 are distributed in a crossing manner, and a plurality of mutually insulated conductive areas on the second transparent conductive layer 4 and a plurality of mutually insulated conductive areas on the third transparent conductive layer 5 are distributed in a crossing manner.
Preferably, as shown in fig. 3, a first transparent insulating layer 8 is disposed between the second transparent conductive layer 4 and the third transparent conductive layer 5, a second transparent insulating layer 9 is disposed between the third transparent conductive layer 5 and the fourth transparent conductive layer 6, and a plurality of mutually insulated conductive areas on the first transparent conductive layer 3 and a plurality of mutually insulated conductive areas on the second transparent conductive layer 4 are distributed in a cross manner, and a plurality of mutually insulated conductive areas on the third transparent conductive layer 5 and a plurality of mutually insulated conductive areas on the fourth transparent conductive layer 6 are distributed in a cross manner.
As shown in fig. 6, the respective mutually insulated conductive regions can be controlled individually by analog or digital switches to achieve independent control of the transparency or opacity of the different regions of the liquid crystal layer.
As shown in fig. 7, adjacent conductive areas insulated from each other form a plurality of pairs of capacitive touch sensor electrodes for recognizing the motion area and direction of a touch or gesture, and the corresponding area of the electronic curtain can be controlled to be in a transparent or opaque state according to the motion area and direction of the touch or gesture.
As shown in fig. 8, the driving signal of the liquid crystal and the excitation signal of the capacitive touch sensor are applied to the conductive areas insulated from each other on the transparent conductive layer, and at this time, by providing a reversing switch in the circuit, the liquid crystal and the capacitive touch sensor apply the liquid crystal driving signal and the capacitive excitation signal by periodically time-sharing the reversing switch. In this embodiment, a reversing switch is disposed in the circuit, a liquid crystal driving signal and a capacitance excitation signal are periodically applied in a time-sharing manner through the reversing switch, and the characteristic that the liquid crystal does not immediately change from transparent to opaque after power failure, but has a delay time T2 of about 200 ms is utilized, in the period T2, the reversing switch and the excitation signal of the capacitive touch sensor are connected to measure the capacitance, where the measurement time T2 of the capacitive touch sensor must be smaller than the delay time T2 of the liquid crystal, otherwise, if the measurement time of the capacitive touch sensor is greater than the delay time T2 of the liquid crystal, the liquid crystal becomes opaque, so that the liquid crystal flashes in a transparent state.
Specifically, as shown in fig. 9, 10, each switching period T is composed of two sub-periods T1 and T2:
at the time T1, a steering switch K in the circuit is contacted with a, at the moment, a driving signal of the liquid crystal is switched on, when the liquid crystal is changed from opaque to transparent, the liquid crystal has a delay time period T1, and after the delay time period T1, the liquid crystal is completely changed to transparent; at the time T2, the steering switch K in the circuit is contacted with the contact b, and at this time, the excitation signal of the capacitive touch sensor is turned on, and since the liquid crystal does not immediately change from transparent to opaque when the liquid crystal is turned off, there is a delay time T2 of about 200 ms, and in this delay time T2, the measurement of the capacitive touch sensor can be completed by the present invention, so that the liquid crystal in the present invention is in a transparent state in the whole switching period T.
The invention also provides a preparation method of the manual control color-changing glass with the crosstalk prevention function, which comprises the following steps: firstly, arranging at least two transparent conductive layers between two glass plates, and arranging a liquid crystal film between the two transparent conductive layers; then, a plurality of mutually insulated conductive areas are arranged on at least one transparent conductive layer, and the conductive areas are used as driving signals of liquid crystals and/or excitation signals of a capacitive touch sensor; finally, a steering switch is arranged in the control circuit of the color-changing glass, and the steering switch is enabled to periodically switch on a driving signal of the liquid crystal and an excitation signal of the capacitive touch sensor in a time-sharing way; wherein each switching period T is composed of two sub-periods T1 and T2:
At the time T1, a steering switch in the circuit is connected with a driving signal of the liquid crystal so as to change the liquid crystal from opaque to transparent, and at the time T2, the steering switch in the circuit is connected with an excitation signal of the capacitive touch sensor so as to measure the capacitance value of the capacitive touch sensor; t2 is less than 200 milliseconds.
The function of opening or closing the color-changing glass will be described in detail with specific examples.
Example 1
The embodiment realizes the functions of opening the color-changing glass up and down and opening the color-changing glass somewhere by sliding up and down on the glass or swinging up and down in the vicinity of the glass.
As shown in fig. 4, a whole conductive area is disposed on the first transparent conductive layer, at least three conductive areas insulated from each other horizontally are disposed on the second transparent conductive layer, and adjacent conductive areas insulated from each other horizontally form a vertical capacitive touch sensor.
When a human body slides on the glass from top to bottom or swings hands from top to bottom near the glass, the capacitance values of the vertical capacitive touch sensors formed by the plurality of horizontal mutually insulated conductive areas can change from top to bottom in sequence, the detection circuit detects the capacitance values of the plurality of vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change glass to change from top to bottom according to the control signal, so that the function of opening the color change glass from top to bottom is realized. When a human body slides on the glass from bottom to top or swings hands near the glass from bottom to top, the capacitance values of the vertical capacitive touch sensors formed by the plurality of horizontal mutually insulated conductive areas can change from bottom to top in sequence, the detection circuit detects the capacitance values of the plurality of vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change to change from bottom to top according to the control signal, so that the function of opening the color-changing glass from bottom to top is realized.
When a human body slides on the glass from top to bottom or swings hands from top to bottom near the glass and touches a certain position of the glass, the capacitance values of the vertical capacitive touch sensors formed by the plurality of horizontal mutually insulated conductive areas change sequentially from top to bottom, the detection circuit detects the capacitance values of the plurality of vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change of the color change glass from top to bottom according to the control signal, so that the function of opening the color change glass from top to bottom to the touch position is realized. When a human body slides on the glass from bottom to top or swings hands from bottom to top near the glass and touches a certain position of the glass, the capacitance values of the vertical capacitive touch sensors formed by the conductive areas which are mutually insulated in a plurality of levels can change from bottom to top in sequence, the detection circuit detects the capacitance values of the vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change to change from bottom to top according to the control signal, so that the function of opening the color-changing glass from bottom to top to the touch position is realized.
Example 2
The present embodiment realizes the function of opening the color-changing glass right and left and opening to a certain place by sliding right and left on the glass or by swinging a gesture right and left near the glass.
As shown in fig. 5, a monolithic conductive region is disposed on the first transparent conductive layer, and at least three vertical conductive regions insulated from each other are disposed on the second transparent conductive layer, and adjacent vertical conductive regions insulated from each other form a horizontal capacitive touch sensor.
When a human body slides on the glass from left to right or swings hands near the glass from left to right, the capacitance values of the horizontal capacitive touch sensors formed by the plurality of vertical mutually insulated conductive areas can change from left to right in sequence, the detection circuit detects the capacitance values of the plurality of horizontal capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change of the color change glass from left to right according to the control signal, so that the left-to-right opening function of the color change glass is realized. When a human body slides on the glass from right to left or swings hands from right to left near the glass, the capacitance values of the horizontal capacitive touch sensors formed by the plurality of vertical mutually insulated conductive areas can change from right to left in sequence, the detection circuit detects the capacitance values of the plurality of horizontal capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change from right to left according to the control signal, so that the function of opening the color-changing glass from right to left is realized.
When a human body slides on the glass from left to right or swings hands from left to right near the glass and touches a certain position of the glass, the capacitance values of the horizontal capacitive touch sensors formed by the plurality of vertical mutually insulated conductive areas can change from left to right in sequence, the detection circuit detects the capacitance values of the plurality of horizontal capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change of the color change glass from left to right according to the control signal, so that the function of opening the color change glass from left to right to touching the position is realized. When a human body slides on the glass from right to left or swings hands from right to left near the glass and touches a certain position of the glass, the capacitance values of the horizontal capacitive touch sensors formed by the plurality of vertical mutually insulated conductive areas are changed from right to left in sequence, the detection circuit detects the capacitance values of the plurality of horizontal capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change from right to left according to the control signal, so that the function of opening the color-changing glass from right to left to the touch position is realized.
Example 3
The embodiment realizes the functions of opening the color-changing glass up and down and opening somewhere by sliding up and down/left and right on the glass or by swinging up and down/left and right near the glass.
At least three conductive areas which are mutually insulated in horizontal segments are arranged on the second transparent conductive layer, and at least three conductive areas which are mutually insulated in vertical segments are arranged on the first transparent conductive layer; and the adjacent conductive areas which are mutually insulated form a horizontal capacitive touch sensor, and the adjacent conductive areas which are mutually insulated by the horizontal sections form a vertical capacitive touch sensor.
When a human body slides on the glass from top to bottom or swings hands from top to bottom near the glass, the capacitance values of the vertical capacitive touch sensors formed by the conductive areas which are mutually insulated in the horizontal sections can change from top to bottom in sequence, the detection circuit detects the capacitance values of the vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change glass to change from top to bottom according to the control signal, so that the function of opening the color change glass from top to bottom is realized. When a human body slides on the glass from bottom to top or swings hands near the glass from bottom to top, the capacitance values of the vertical capacitive touch sensors formed by the conductive areas which are mutually insulated in the horizontal sections can change from bottom to top in sequence, the detection circuit detects the capacitance values of the vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change to change from bottom to top according to the control signal, so that the function of opening the color-changing glass from bottom to top is realized.
When a human body slides on the glass from top to bottom or swings hands from top to bottom near the glass and touches a certain position of the glass, the capacitance values of the vertical capacitive touch sensors formed by the conductive areas which are mutually insulated by the horizontal segments can change from top to bottom in sequence, the detection circuit detects the capacitance values of the vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change of the color change glass from top to bottom according to the control signal, so that the function of opening the color change glass from top to bottom to the touch position is realized. When a human body slides on the glass from bottom to top or swings hands from bottom to top near the glass and touches a certain position of the glass, the capacitance values of the vertical capacitive touch sensors formed by the conductive areas with the sections insulated from each other horizontally change from bottom to top in sequence, the detection circuit detects the capacitance values of the vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change to change from bottom to top according to the control signal, so that the function of opening the color-changing glass from bottom to top to the touch position is realized.
When a human body slides on the glass from left to right or swings hands near the glass from left to right, the capacitance values of the horizontal capacitive touch sensors formed by the plurality of vertical mutually insulated conductive areas can change from left to right in sequence, the detection circuit detects the capacitance values of the plurality of horizontal capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change of the color change glass from left to right according to the control signal, so that the left-to-right opening function of the color change glass is realized. When a human body slides on the glass from right to left or swings hands from right to left near the glass, the capacitance values of the horizontal capacitive touch sensors formed by the plurality of vertical mutually insulated conductive areas can change from right to left in sequence, the detection circuit detects the capacitance values of the plurality of horizontal capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change from right to left according to the control signal, so that the function of opening the color-changing glass from right to left is realized.
When a human body slides on the glass from left to right or swings hands from left to right near the glass and touches a certain position of the glass, the capacitance values of the vertical capacitive touch sensors formed by the conductive areas which are mutually insulated by the horizontal segments can change from left to right in sequence, the detection circuit detects the capacitance values of the vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change of the color change glass from left to right according to the control signal, so that the function of opening the color change glass from left to right to the touch position is realized. When a human body slides on the glass from right to left or swings the glass from right to left near the glass and touches a certain position of the glass, the capacitance values of the vertical capacitive touch sensors formed by the conductive areas which are mutually insulated in a segmented horizontal mode can change from right to left in sequence, the detection circuit detects the capacitance values of the vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change from right to left according to the control signal, so that the function of opening the color change glass from right to left to touching the position is realized.
Example 4
The embodiment realizes the functions of opening the color-changing glass up and down and opening somewhere by sliding up and down/left and right on the glass or by swinging up and down/left and right near the glass.
At least three conductive areas which are mutually insulated in vertical segments are arranged on the second transparent conductive layer, and at least three conductive areas which are mutually insulated in horizontal segments are arranged on the first transparent conductive layer; the conductive areas insulated from each other by adjacent vertical segments form a horizontal capacitive touch sensor, and the conductive areas insulated from each other by adjacent horizontal segments form a vertical capacitive touch sensor.
When a human body slides on the glass from top to bottom or swings hands from top to bottom near the glass, the capacitance values of the vertical capacitive touch sensors formed by the plurality of horizontal mutually insulated conductive areas can change from top to bottom in sequence, the detection circuit detects the capacitance values of the plurality of vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change glass to change from top to bottom according to the control signal, so that the function of opening the color change glass from top to bottom is realized. When a human body slides on the glass from bottom to top or swings hands near the glass from bottom to top, the capacitance values of the vertical capacitive touch sensors formed by the plurality of horizontal mutually insulated conductive areas can change from bottom to top in sequence, the detection circuit detects the capacitance values of the plurality of vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change to change from bottom to top according to the control signal, so that the function of opening the color-changing glass from bottom to top is realized.
When a human body slides on the glass from top to bottom or swings hands from top to bottom near the glass and touches the glass, the capacitance values of the vertical capacitive touch sensors formed by the plurality of horizontal mutually insulated conductive areas can change from top to bottom in sequence, the detection circuit detects the capacitance values of the plurality of vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change of the color change glass from top to bottom according to the control signal, so that the function of opening the color change glass from top to bottom to a touch position is realized. When a human body slides on the glass from bottom to top or swings hands from bottom to top near the glass and touches a certain position of the glass, the capacitance values of the vertical capacitive touch sensors formed by the conductive areas which are mutually insulated in a plurality of levels can change from bottom to top in sequence, the detection circuit detects the capacitance values of the vertical capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change to change from bottom to top according to the control signal, so that the function of opening the color-changing glass from bottom to top to the touch position is realized.
When a human body slides on the glass from left to right or swings hands from left to right near the glass, the capacitance values of the horizontal capacitive touch sensors formed by the conductive areas which are mutually insulated by the vertical segments can change from left to right in sequence, the detection circuit detects the capacitance values of the horizontal capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change of the color change glass from left to right according to the control signal, so that the left-to-right opening function of the color change glass is realized. When a human body slides on glass from right to left or swings hands from right to left near the glass, the capacitance values of the horizontal capacitive touch sensors formed by the conductive areas which are mutually insulated by a plurality of vertical segments can be changed from right to left in sequence, the detection circuit detects the capacitance values of the horizontal capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change from right to left according to the control signal, so that the function of opening the color-changing glass from right to left is realized.
When a human body slides on the glass from left to right or swings hands from left to right near the glass and touches the glass, the capacitance values of the horizontal capacitive touch sensors formed by the conductive areas which are mutually insulated by the vertical segments can change from left to right in sequence, the detection circuit detects the capacitance values of the horizontal capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the glass to change color, and the controller controls the color-changing glass to change color from left to right according to the control signal, so that the function of opening the color-changing glass to a touch position from left to right is realized. When a human body slides on the glass from right to left or swings the glass from right to left near the glass and touches a certain position of the glass, the capacitance values of the horizontal capacitive touch sensors formed by the conductive areas which are mutually insulated in a segmented horizontal mode are changed from right to left in sequence, the detection circuit detects the capacitance values of the horizontal capacitive touch sensors, a control signal is generated according to the detected capacitance value change sequence and is transmitted to a controller for controlling the color change of the glass, and the controller controls the color change from right to left according to the control signal, so that the function of opening the color-changing glass to the touch position is realized.
When the color-changing glass needs to be closed, the glass only needs to be touched.
In summary, the color-changing glass provided in this embodiment can realize diversified control, and improves the experience of the user. When a user needs to open the color-changing glass at a certain position, the user only needs to touch the certain position of the glass after the gesture is swung; when the user needs to open the color-changing glass completely, the user only needs to leave the glass after the gesture is swung; when the user needs to close the color-changing glass, the user only needs to touch the glass. Therefore, the control mode of the color-changing glass and the automobile skylight or the automobile door glass provided by the embodiment can completely replace the existing mode of controlling the color-changing glass and the automobile skylight or the automobile door glass through the switch, and the problem that the color-changing glass cannot be opened to the position wanted by a user through the switch can be solved, so that the privacy of a customer is protected, and the customer is not influenced to appreciate scenery outside the window.
An aspect of the invention also relates to an automobile, since the improvement point only relates to the improvement of glass on the automobile, and other parts can adopt the mature technology in the prior art. Therefore, the description of other parts of the vehicle will not be repeated.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims (12)

1. The manual control color-changing glass with the crosstalk prevention function is characterized in that: the glass comprises an outer layer glass plate and an inner layer glass plate, wherein at least two transparent conductive layers are arranged between the outer layer glass plate and the inner layer glass plate, and a liquid crystal layer is arranged between the transparent conductive layers; at least one transparent conductive layer is provided with a plurality of mutually insulated conductive areas, and sensing electrodes of a capacitive touch sensor and/or zoned driving electrodes of liquid crystal are formed by adjacent mutually insulated conductive areas; the control circuit of the color-changing glass is provided with a steering switch, the driving signal of the liquid crystal is periodically and time-division connected with the excitation signal of the capacitive touch sensor, and the distance between adjacent conductive areas insulated with each other is smaller than 2mm.
2. The manual color shifting glass with crosstalk prevention function according to claim 1, wherein: a first transparent conductive layer and a second transparent conductive layer are sequentially arranged between the outer layer glass plate and the inner layer glass plate; the first transparent conductive layer is provided with a whole conductive area which is used as a multiplexing electrode of a common driving electrode of liquid crystal and a shielding electrode of the capacitive touch sensor, the second transparent conductive layer is provided with a plurality of conductive areas which are mutually insulated, and the conductive areas are used as a multiplexing electrode of a partition driving electrode of the liquid crystal and a sensing electrode of the capacitive touch sensor; or, the first transparent conductive layer and the second transparent conductive layer are respectively provided with a plurality of mutually insulated conductive areas, and the mutually insulated conductive areas on the first transparent conductive layer and the mutually insulated conductive areas on the second transparent conductive layer are respectively used as the partition driving electrode of the liquid crystal and the multiplexing electrode of the sensing electrode of the capacitive touch sensor.
3. The manual color shifting glass with crosstalk prevention function according to claim 1, wherein: the liquid crystal display device comprises an outer glass plate, an inner glass plate, a liquid crystal layer, a first transparent conductive layer, a second transparent conductive layer and a third transparent conductive layer, wherein the first transparent conductive layer, the second transparent conductive layer and the third transparent conductive layer are sequentially arranged between the outer glass plate and the inner glass plate, the liquid crystal layer is arranged between the first transparent conductive layer and the second transparent conductive layer, a plurality of mutually insulated conductive areas are arranged on the first transparent conductive layer, the mutually insulated conductive areas on the first transparent conductive layer are used as partition driving electrodes of liquid crystal, the mutually insulated conductive areas on the second transparent conductive layer are used as multiplexing electrodes of partition driving electrodes of liquid crystal and sensing electrodes of a capacitive touch sensor, and the mutually insulated conductive areas on the third transparent conductive layer are used as sensing electrodes of the capacitive touch sensor.
4. The manual color shifting glass with crosstalk prevention function according to claim 1, wherein: the capacitive touch sensor comprises an outer glass plate, an inner glass plate, a liquid crystal layer, a first transparent conductive layer, a second transparent conductive layer, a third transparent conductive layer and a fourth transparent conductive layer, wherein the first transparent conductive layer, the second transparent conductive layer, the third transparent conductive layer and the fourth transparent conductive layer are sequentially arranged between the outer glass plate and the inner glass plate, the liquid crystal layer is arranged between the first transparent conductive layer and the second transparent conductive layer, a plurality of mutually insulated conductive areas are formed in the first transparent conductive layer, the mutually insulated conductive areas are formed in the second transparent conductive layer, the mutually insulated conductive areas are formed in the third transparent conductive layer, and the mutually insulated conductive areas are formed in the fourth transparent conductive layer and are used as partition driving electrodes of liquid crystal.
5. A manually controlled color shifting glass having an anti-crosstalk function according to any of claims 1 to 4, characterized in that: each switching period T is made up of two sub-periods T1 and T2:
at time T1, the steering switch in the circuit is turned on with the drive signal of the liquid crystal, and at time T2, the steering switch in the circuit is turned on with the excitation signal of the capacitive touch sensor.
6. The manually controlled color shifting glass with crosstalk prevention function according to claim 5, wherein: the measurement period T2 of the capacitive touch sensor is less than the delay time T2 for the liquid crystal to change from transparent to opaque when the liquid crystal is powered off.
7. A manually controlled color shifting glass having an anti-crosstalk function according to claim 3, wherein: the first transparent insulating layer is arranged between the second transparent conductive layer and the third transparent conductive layer, a plurality of mutually insulated conductive areas on the first transparent conductive layer and a plurality of mutually insulated conductive areas on the second transparent conductive layer are distributed in a crossing way, and a plurality of mutually insulated conductive areas on the second transparent conductive layer and a plurality of mutually insulated conductive areas on the third transparent conductive layer are distributed in a crossing way.
8. The manually controlled color shifting glass with crosstalk prevention function according to claim 4, wherein: the second transparent conductive layer and the third transparent conductive layer are provided with a first transparent insulating layer, a second transparent insulating layer is arranged between the third transparent conductive layer and the fourth transparent conductive layer, a plurality of mutually insulated conductive areas on the first transparent conductive layer and a plurality of mutually insulated conductive areas on the second transparent conductive layer are distributed in a cross mode, and a plurality of mutually insulated conductive areas on the third transparent conductive layer and a plurality of mutually insulated conductive areas on the fourth transparent conductive layer are distributed in a cross mode.
9. The preparation method of the manual control color-changing glass with the crosstalk prevention function is characterized by comprising the following steps of: firstly, arranging at least two transparent conductive layers between two glass plates, and arranging a liquid crystal film between the two transparent conductive layers; then, a plurality of mutually insulated conductive areas are arranged on at least one transparent conductive layer, and the conductive areas are used as driving signals of liquid crystals and/or excitation signals of a capacitive touch sensor; finally, a steering switch is arranged in the control circuit of the color-changing glass, and the steering switch is enabled to be periodically connected with a driving signal of the liquid crystal and an excitation signal of the capacitive touch sensor in a time-sharing mode.
10. The method for preparing the manual color-changing glass with the crosstalk prevention function according to claim 9, wherein the method comprises the following steps: each switching period T is made up of two sub-periods T1 and T2:
at time T1, the steering switch in the circuit is connected with the driving signal of the liquid crystal so as to change the liquid crystal from opaque to transparent, and at time T2, the steering switch in the circuit is connected with the excitation signal of the capacitive touch sensor so as to measure the capacitance value of the capacitive touch sensor.
11. The method for preparing the manual color-changing glass with the crosstalk prevention function according to claim 10, wherein the method comprises the following steps: the measurement period T2 of the capacitive touch sensor is less than the delay time T2 for the liquid crystal to change from transparent to opaque when the power is off.
12. An automobile comprising the manual color change glass having an anti-crosstalk function according to any one of claims 1 to 8.
CN201811300645.1A 2018-11-02 2018-11-02 Manual control color-changing glass with crosstalk prevention function and automobile comprising same Active CN109358753B (en)

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