CN113238704A - Wake-up device, wake-up method, driving chip, display device and electronic equipment - Google Patents
Wake-up device, wake-up method, driving chip, display device and electronic equipment Download PDFInfo
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- CN113238704A CN113238704A CN202110504666.0A CN202110504666A CN113238704A CN 113238704 A CN113238704 A CN 113238704A CN 202110504666 A CN202110504666 A CN 202110504666A CN 113238704 A CN113238704 A CN 113238704A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 103
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- 230000006698 induction Effects 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 239000002096 quantum dot Substances 0.000 claims description 3
- 230000002618 waking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
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- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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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
- G06F3/048—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
- G06F3/0488—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 using a touch-screen or digitiser, e.g. input of commands through traced gestures
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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
- G06F3/03—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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
- G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
Abstract
The application discloses a wake-up device, a wake-up method, a driving chip, a display device and electronic equipment. The wake-up device comprises: the fingerprint detection device comprises a touch sensing module, a fingerprint detection module and a control module, wherein the touch sensing module is used for detecting whether a touch event occurs in a peripheral area adjacent to a fingerprint detection area and providing a control signal of an effective state under the condition of detecting the touch event; and the scanning detection module is arranged adjacent to the touch sensing module and is connected to the touch sensing module to receive the control signal, wherein the scanning detection module scans at least one part of fingerprint detection area under the condition that the control signal is in an effective state to judge whether the awakening operation needs to be executed or not, and outputs a corresponding awakening signal according to a judgment result. The awakening device adopts the touch sensing module with low power consumption to carry out primary detection and adopts the scanning detection module with high precision to carry out secondary detection, thereby reducing the power consumption and simultaneously reducing the probability of false triggering.
Description
Technical Field
The present invention relates to the field of human-computer interaction technologies, and in particular, to a wake-up device, a wake-up method, a driving chip, a display device, and an electronic apparatus.
Background
With the development of technology, electronic devices integrated with human-computer interaction functions are widely used. In the field of human-computer interaction, in order to save power consumption, electronic equipment is usually in a standby state when idle, and is switched to a working state when required to work. Therefore, the electronic device is integrated with a wake-up device, and the wake-up device has a sleep wake-up function, so that the electronic device is switched from a standby state to an operating state.
Specifically, when the electronic device is in a standby state, if the wake-up device senses a certain motion of a person, a wake-up signal is sent to other modules (e.g., a power supply module, a fingerprint identification module, etc.) in the electronic device, so that the electronic device is switched from the standby state to an operating state. Taking a smart phone as an example, for example, the sleep wake-up function is completed in a touch sensing manner, so that the electronic device can be switched to a working state when being touched, however, the electronic device is easily triggered by mistake due to the wake-up manner.
It is therefore desirable to provide a further improved wake-up unit to reduce power consumption and to reduce the probability of false triggers.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a wake-up apparatus, a wake-up method, a driving chip, a display apparatus, and an electronic device, which can reduce power consumption and reduce the probability of false triggering.
According to a first aspect of the invention, there is provided a wake-up unit comprising: the fingerprint detection device comprises a touch sensing module, a fingerprint detection module and a control module, wherein the touch sensing module is used for detecting whether a touch event occurs in a peripheral area adjacent to a fingerprint detection area and providing a control signal of an effective state under the condition of detecting the touch event; and the scanning detection module is arranged adjacent to the touch sensing module and is connected to the touch sensing module to receive the control signal, wherein the scanning detection module scans at least one part of the fingerprint detection area under the condition that the control signal is in an effective state to judge whether the awakening operation needs to be executed or not, and outputs a corresponding awakening signal according to a judgment result.
Optionally, the touch sensing module includes: the sensor is used for judging whether the touch event occurs and generating a sensing signal; and the controller generates the control signal according to the sensing signal, wherein when the touch event occurs, the controller generates the control signal in an effective state under the action of the sensing signal.
Optionally, when the amplitude of the sensing signal is within a first threshold range, the control signal output by the controller is in an active state, and when the amplitude of the sensing signal is outside the first threshold range, the control signal output by the controller is in an inactive state.
Optionally, the scan detection module includes: the fingerprint detection area; the scanning module is used for scanning at least one part of the fingerprint detection area to obtain the wake-up signal, wherein when the scanning module detects the biological characteristics, the touch signal is in an effective state; when the scanning module does not detect the biological feature, the wake-up signal is in an invalid state.
Optionally, the scan detection module includes: the fingerprint detection area; the scanning module is used for scanning at least one part of the fingerprint detection area to obtain a touch signal; and the judging module is used for judging whether the touch signal is in a second threshold range, wherein when the touch signal is in the second threshold range, the judging module outputs the wake-up signal in an effective state, and when the touch signal is out of the second threshold range, the judging module outputs the wake-up signal in an ineffective state.
According to a second aspect of the present invention, there is provided a wake-up method, comprising: detecting whether a touch event occurs in a peripheral area adjacent to the fingerprint detection area, and providing a control signal of an active state in case of detecting the touch event; and scanning at least a part of the fingerprint detection area under the condition that the control signal is in an effective state to judge whether the awakening operation needs to be executed or not, and outputting a corresponding awakening signal according to a judgment result.
Optionally, the method for providing the control signal includes: judging whether the touch event occurs and generating an induction signal; and generating the control signal according to the sensing signal, wherein the control signal in an effective state is generated under the action of the sensing signal when the touch event occurs.
Optionally, when the amplitude of the sensing signal is within a first threshold range, the control signal is in an active state, and when the sensing signal is outside the first threshold range, the control signal is in an inactive state.
Optionally, the method for outputting the wake-up signal includes: scanning at least a part of the fingerprint detection area to obtain a touch signal; and judging whether the touch signal is in a second threshold range, wherein when the touch signal is in the second threshold range, the wake-up signal in an effective state is output, and when the touch signal is out of the second threshold range, the wake-up signal in an ineffective state is output.
According to a third aspect of the present invention, there is provided a driving chip comprising: the wake-up device as described above, or the wake-up device adopting the wake-up method as described above, is configured to provide a wake-up signal; and the fingerprint detection device is used for receiving the awakening signal and carrying out fingerprint detection when the awakening signal is in an effective state.
Optionally, the fingerprint detection device is a capacitive fingerprint detection device, and the capacitive fingerprint detection device is started and acquires a fingerprint image in the fingerprint detection area when the wake-up device determines that a wake-up operation needs to be executed.
According to a fourth aspect of the present invention, there is provided a display device characterized by comprising: the wake-up device as described above, or the wake-up device adopting the wake-up method as described above, is configured to provide a wake-up signal; and the display panel receives the wake-up signal and switches from a low power consumption mode to a working mode when the wake-up signal is in an effective state.
Optionally, the display panel is selected from any one of a liquid crystal display, a light emitting diode display, a mini light emitting diode display, a micro light emitting diode display, a quantum dot light emitting diode display, and an organic light emitting diode display.
According to a fifth aspect of the present invention, there is provided a display device comprising: the driving chip as described above; and the display panel is connected to the driving chip, and the state of the display panel is at least controlled by the result of fingerprint detection performed by the driving chip.
According to a sixth aspect of the present invention, there is provided an electronic apparatus comprising: the wake-up device as described above, or the wake-up device adopting the wake-up method as described above, is configured to provide a wake-up signal; and a load circuit connected to the wake-up device, the load circuit being enabled and disabled at least by the wake-up signal.
Optionally, the electronic device is selected from any one of a smart phone, a notebook computer, a tablet computer, a vehicle-mounted computer and an access control device.
According to the awakening device, the awakening method, the driving chip, the display device and the electronic equipment, the touch sensing module with low power consumption is used for carrying out primary detection, the scanning detection module with high precision is used for carrying out secondary detection, the awakening detection precision is guaranteed while the power consumption is reduced, and the probability of false triggering is reduced.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 shows a schematic diagram of a wake-up unit according to an embodiment of the invention;
FIG. 2 shows a flow chart of a wake-up method according to an embodiment of the invention;
FIG. 3 shows a schematic diagram of a driver chip according to an embodiment of the invention;
fig. 4a and 4b respectively show schematic views of a display device provided according to an embodiment of the present invention.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale. Moreover, certain well-known elements may not be shown in the figures.
In the following description, numerous specific details of the invention, such as structure, materials, dimensions, processing techniques and techniques of the devices are described in order to provide a more thorough understanding of the invention. However, as will be understood by those skilled in the art, the present invention may be practiced without these specific details.
It should be understood that, the connection/coupling of a and B in the embodiments of the present application means that a and B may be coupled in series or in parallel, or a and B may be coupled through other devices, which is not limited in the embodiments of the present application.
The wake-up device, the wake-up method, the driving chip, the display device and the electronic equipment can be applied to various human-computer interaction system terminals, such as various terminals of an intelligent robot, an intelligent mobile phone, a tablet computer, an intelligent home and the like.
The main function of the wake-up device is to sense a human action to obtain a wake-up signal, and send the wake-up signal to other modules (such as a power supply module, a fingerprint identification module, etc.) in the electronic device, so that the electronic device is converted from a standby state to an operating state or a standby state. Taking a smart phone as an example, for example, if the sleep wake-up function is completed through optical detection, the light source needs to be periodically turned on, and the photosensitive array in the optical fingerprint module is scanned at the same frequency, which may generate higher power consumption. In other products, the wake-up from sleep function is performed, for example, by touch sensing, which can easily cause the electronic device to be triggered by mistake.
According to the embodiment of the invention, the low-power and high-precision awakening device, the awakening method, the driving chip, the display device and the electronic equipment are obtained by combining a low-power touch sensing mode and a high-precision scanning detection mode.
Embodiments provided by the present application will be described below with reference to the accompanying drawings.
Fig. 1 shows a schematic diagram of a wake-up unit according to an embodiment of the invention.
As shown in fig. 1, the wake-up apparatus 100 includes a touch sensing module 110 and a scan detecting module 120, and is configured to provide a wake-up signal Vw, where the wake-up signal Vw is used to wake up a subsequent circuit 200, for example, the wake-up signal Vw is used to control states of other modules (e.g., a power supply module, a fingerprint identification module, etc.) in the electronic device, so that the electronic device is converted from a standby state to an operating state.
The touch sensing module 110 is configured to detect whether a touch event occurs in a peripheral area adjacent to the fingerprint detection area 121, and provide a control signal Vc in an effective state when the touch event is detected, and the scanning detection module 120 is disposed adjacent to the touch sensing module 110 and connected to the touch sensing module 110 to receive the control signal Vc, where the scanning detection module 120 scans at least a portion of the fingerprint detection area 121 to determine whether a wake-up operation needs to be performed when the control signal is in the effective state, and outputs a corresponding wake-up signal Vw according to a determination result.
As an example, the touch sensing module 110 provides the control signal Vc according to the state of the sensor 111. For example, the touch sensing module 110 includes a sensor 111 and a controller 112, the sensor 111 determines whether a touch event occurs according to a condition that the sensor 111 is touched, and generates a sensing signal Vo, a state of the sensing signal Vo represents the condition that the sensor 111 is touched, when the sensor 111 is touched, the sensor 111 determines that the touch event occurs and generates the sensing signal Vo, and when the sensor 111 is not touched, the sensor 111 determines that the touch event does not occur and does not generate the sensing signal Vo (or generates the sensing signal Vo in an invalid state); the controller 112 is connected to the output terminal of the sensor 111 and generates the control signal Vc according to the sensing signal Vo, for example, when the magnitude of the sensing signal Vo is within a first threshold range, the control signal Vc is in an active state, and when the sensing signal Vo is outside the first threshold range, the control signal Vc is in an inactive state.
The scan detection module 120 is connected to the touch sensing module 110 to receive the control signal Vc, and scans the fingerprint detection area 121 according to the control signal Vc to obtain the wake-up signal Vw. Specifically, when the control signal Vc is in the active state, the scanning detection module 120 starts scanning, and when the control signal Vc is in the inactive state, the scanning detection module 120 stops scanning. The scanning detection module 120 includes, for example, a fingerprint detection area 121 and a scanning module 122, the fingerprint detection area 121 is integrated in, for example, a display panel of the electronic device, and the scanning module 122 is connected to the fingerprint detection area 121 and is configured to scan at least a portion of the fingerprint detection area 121 to obtain a touch signal. In this embodiment, the scanning detection module 120 may obtain the touch signal through optical identification, a capacitive fingerprint sensor, a bio-radio frequency, and the like, where when the scanning detection module 120 scans the biological feature, the touch signal is in an active state and is output as the wake-up signal Vw; when the scan detection module 120 does not scan the biometric feature, the touch signal is in an inactive state, so that the wake-up signal Vw in the inactive state is output.
Optionally, the scanning detection module 120 further includes a determining module 123, and the determining module 123 is configured to determine whether the touch signal is within a second threshold range, where when the touch signal is within the second threshold range, the determining module 123 outputs the wake-up signal Vw in the valid state, and when the touch signal is outside the second threshold range, the determining module 123 outputs the wake-up signal Vw in the invalid state. In this example, the "touch signal is in the second threshold range" for example, it indicates that the touched intensity or area of the fingerprint detection area is in the preset range, and when the touched intensity of the fingerprint detection area is greater than the preset intensity or the touched area is greater than the preset area, the determining module 123 outputs the wake-up signal Vw in the active state.
In the embodiment of the present application, the sensor 111 includes, for example, sensing electrodes, such as a pressure sensing electrode, a temperature sensing electrode, a light sensing electrode, and the like, and the number of the sensing electrodes may be one or more. The sensing electrode together with the fingerprint detection area 121 is for example integrated under a cover plate of the electronic device, for example a display panel, a touch panel or a cover plate in a display touch panel. Optionally, the sensing electrodes are disposed in a peripheral region of the fingerprint detection region 121 and spaced apart at a predetermined length, so that the sensing electrodes occupy a smaller area and the mutual influence between the sensing electrodes is avoided, thereby affecting the detection result.
When the electronic device is in a standby state, the wake-up device 100 performs cyclic detection on the touch condition by using the touch sensing module 110 with low power consumption, and after the touch sensing module 110 detects a sensing signal, the high-precision scanning detection module 120 is enabled to perform scanning detection to obtain the wake-up signal, so that the wake-up device 100 provided by the application considers both low power consumption and high precision.
Fig. 2 shows a flowchart of a wake-up method according to an embodiment of the invention.
As shown in fig. 2, the wake-up method according to the embodiment of the present invention includes steps S101 to S102.
In step S101, it is detected whether a touch event occurs in a peripheral area adjacent to the fingerprint detection area, and a control signal of an active state is provided in case of detecting the touch event.
Step S101 includes sub-steps S1011 to S1012. In step S1011, it is determined whether a touch event occurs and a sensing signal is generated; in step S1012, a control signal is generated based on the sensing signal, and when a touch event occurs, a control signal in an active state is generated by the sensing signal, and when a touch event does not occur, a control signal in an inactive state is generated. In an alternative embodiment, the control signal is in an active state when the amplitude of the sensing signal is within a first threshold range, and the control signal is in an inactive state when the sensing signal is outside the first threshold range.
After step S1012 is completed, if the control signal is in the invalid state, the process returns to step S1011, and if the control signal is in the valid state, step S102 is performed.
In step S102, at least a part of the fingerprint detection area is scanned to determine whether a wake-up operation needs to be performed under the condition that the control signal is in an active state, and a corresponding wake-up signal is output according to the determination result.
Step S102 includes sub-steps S1021 to S1022. In step S1021, at least a portion of the fingerprint detection area is scanned to obtain a touch signal. Specifically, when the control signal is in an active state, scanning of the fingerprint detection area is started, and when the control signal is in an inactive state, scanning of the fingerprint detection area is stopped.
In step S1022, a wake-up signal is acquired according to the touch signal. When the scanning result represents that the biological characteristics are scanned, the touch signal is in an effective state and is output as a wake-up signal; when the scanning result represents that the biological characteristics are not scanned, the touch signal is in an effective state, and therefore the wake-up signal in an ineffective state is output. As another example, in this step, it is determined whether the touch signal is within a second threshold range. Specifically, when the touch signal is within the second threshold range, the wake-up signal in the active state is output, and when the touch signal is outside the second threshold range, the wake-up signal in the inactive state is output. In this example, the "touch signal is within the threshold range" for example, indicating that the intensity or area of the touched fingerprint detection area is within a preset range, and when the intensity of the touched fingerprint detection area is greater than a predetermined intensity or the area of the touched fingerprint detection area is greater than a predetermined area, outputting a wake-up signal in an active state.
The present application also provides an electronic device (not shown) comprising: a wake-up apparatus as shown in fig. 1, or a wake-up apparatus adopting the wake-up method as shown in fig. 2, for providing a wake-up signal; and the load circuit is connected to the wake-up device, and the start-up and the disable of the load circuit are at least controlled by the wake-up signal. The electronic device is selected from any one of a smart phone, a notebook computer, a tablet computer, a vehicle-mounted computer and a door control device, for example, and it should be understood that the specific form of the electronic device is not limited in the present application.
Fig. 3 shows a schematic diagram of a driving chip according to an embodiment of the present invention.
In the embodiment of the present invention, the driving chip 10 includes a wake-up device 100 and a fingerprint detection device 200, and the fingerprint detection device 200 receives the wake-up signal Vw and performs fingerprint detection when the wake-up signal Vw is in an active state. Optionally, the fingerprint detection device 200 is a capacitive fingerprint detection device, and when the wake-up device 100 determines that the wake-up operation needs to be performed, the capacitive fingerprint detection device is started and acquires a fingerprint image in a fingerprint detection area. The driver chip 10 is for example intended to be integrated in an electronic device.
As an example, after the wake-up apparatus 100 provides the wake-up signal Vw to the fingerprint detection apparatus 200, the fingerprint detection apparatus 200 scans to obtain the biometric information, the fingerprint detection apparatus 200 receives the biometric information and determines whether the biometric information is in a valid state, and when the biometric information is in the valid state, the driving chip 10 generates a driving signal for unlocking the electronic device. In this example, "the biometric information is in the valid state" means, for example, that the biometric information represents a biometric characteristic of a person, or that the biometric information represents a biometric characteristic of a specific object, which means an object whose biometric information is already stored in the electronic device.
Fig. 4a and 4b respectively show schematic views of a display device provided according to an embodiment of the present invention.
As shown in fig. 4a, the present application further provides a display device, which includes a wake-up device 100 and a display panel 300, wherein the wake-up device 100 is integrated below the display panel 300, for example. The wake-up apparatus 100 is shown in fig. 1, or the wake-up apparatus 100 adopts the wake-up method shown in fig. 2 for providing the wake-up signal; the display panel 300 receives the wake-up signal and switches from the low power consumption mode to the operating mode when the wake-up signal is active.
As shown in fig. 4b, the present application further provides another display device, the display device includes a driving chip 10 and a display panel 300, the driving chip 10 is, for example, integrated under the display panel 300, and the state of the display panel 300 is controlled by at least the result of the fingerprint detection performed by the driving chip 10.
It should be understood that fig. 4a and 4b only schematically illustrate the position relationship between the display panel 300 and the wake-up apparatus 100/the driving chip 10, and in practical applications, the display panel 300 and the wake-up apparatus 100/the driving chip 10 may be integrated by using other forms of position relationship, which is not limited in this application.
In the display device as provided in fig. 4a and 4b, the display panel is, for example, any one selected from a liquid crystal display, a light emitting diode display, a mini light emitting diode display, a micro light emitting diode display, a quantum dot light emitting diode display, and an organic light emitting diode display.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While embodiments in accordance with the invention have been described above, these embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention and various embodiments with various modifications as are suited to the particular use contemplated. The invention is limited only by the claims and their full scope and equivalents.
Claims (16)
1. A wake-up unit, comprising:
the fingerprint detection device comprises a touch sensing module, a fingerprint detection module and a control module, wherein the touch sensing module is used for detecting whether a touch event occurs in a peripheral area adjacent to a fingerprint detection area and providing a control signal of an effective state under the condition of detecting the touch event; and
a scanning detection module arranged adjacent to the touch sensing module and connected to the touch sensing module to receive the control signal,
the scanning detection module scans at least one part of the fingerprint detection area under the condition that the control signal is in an effective state to judge whether the awakening operation needs to be executed or not, and outputs a corresponding awakening signal according to a judgment result.
2. Wake-up device according to claim 1, characterised in that the touch-sensitive module comprises:
the sensor is used for judging whether the touch event occurs and generating a sensing signal; and
a controller for generating the control signal according to the sensing signal,
when the touch event occurs, the controller generates the control signal in an effective state under the action of the induction signal.
3. The wake-up device according to claim 2, wherein the control signal output by the controller is in an active state when the amplitude of the sensing signal is within a first threshold range, and the control signal output by the controller is in an inactive state when the sensing signal is outside the first threshold range.
4. Wake-up device according to claim 1, characterised in that the scanning detection module comprises:
the fingerprint detection area; and
a scanning module for scanning at least a part of the fingerprint detection area to obtain the wake-up signal,
wherein the touch signal is in an active state when the scanning module detects a biometric feature; when the scanning module does not detect the biological feature, the wake-up signal is in an invalid state.
5. Wake-up device according to claim 1, characterised in that the scanning detection module comprises:
the fingerprint detection area;
the scanning module is used for scanning at least one part of the fingerprint detection area to obtain a touch signal; and
a judging module for judging whether the touch signal is in a second threshold range,
when the touch signal is within the second threshold range, the judging module outputs the wake-up signal in an effective state, and when the touch signal is outside the second threshold range, the judging module outputs the wake-up signal in an ineffective state.
6. A method of waking up, comprising:
detecting whether a touch event occurs in a peripheral area adjacent to the fingerprint detection area, and providing a control signal of an active state in case of detecting the touch event; and
and scanning at least one part of the fingerprint detection area under the condition that the control signal is in an effective state to judge whether the awakening operation needs to be executed or not, and outputting a corresponding awakening signal according to a judgment result.
7. Wake-up method according to claim 6, characterized in that the method of providing the control signal comprises:
judging whether the touch event occurs and generating an induction signal; and
generating the control signal according to the induction signal,
when the touch event occurs, the control signal in an effective state is generated under the action of the induction signal.
8. The wake-up method according to claim 7, wherein the control signal is in an active state when the amplitude of the sensing signal is within a first threshold range, and the control signal is in an inactive state when the sensing signal is outside the first threshold range.
9. The wake-up method of claim 6, the method of outputting the wake-up signal comprising:
scanning at least a part of the fingerprint detection area to obtain a touch signal; and
determining whether the touch signal is within a second threshold range,
when the touch signal is within the second threshold range, outputting the wake-up signal in an active state, and when the touch signal is outside the second threshold range, outputting the wake-up signal in an inactive state.
10. A driver chip, comprising:
wake-up unit according to any of claims 1 to 5, or a wake-up unit employing a wake-up method according to any of claims 6 to 9, for providing a wake-up signal; and
and the fingerprint detection device receives the wake-up signal and performs fingerprint detection when the wake-up signal is in an effective state.
11. The driver chip according to claim 10, wherein the fingerprint detection device is a capacitive fingerprint detection device, and the capacitive fingerprint detection device is activated and acquires the fingerprint image in the fingerprint detection area when the wake-up device determines that a wake-up operation needs to be performed.
12. A display device, comprising:
wake-up unit according to any of claims 1 to 5, or a wake-up unit employing a wake-up method according to any of claims 6 to 9, for providing a wake-up signal; and
and the display panel receives the wake-up signal and switches from a low power consumption mode to a working mode when the wake-up signal is in an effective state.
13. The display device according to claim 12, wherein the display panel is selected from any one of a liquid crystal display, a light emitting diode display, a mini light emitting diode display, a micro light emitting diode display, a quantum dot light emitting diode display, and an organic light emitting diode display.
14. A display device, comprising:
the driver chip as claimed in claim 10 or 11; and
and the display panel is connected to the driving chip, and the state of the display panel is at least controlled by the result of fingerprint detection performed by the driving chip.
15. An electronic device, comprising:
wake-up unit according to any of claims 1 to 5, or a wake-up unit employing a wake-up method according to any of claims 6 to 9, for providing a wake-up signal; and
and the load circuit is connected to the wake-up device, and the starting and the disabling of the load circuit are at least controlled by the wake-up signal.
16. The electronic device according to claim 15, wherein the electronic device is selected from any one of a smartphone, a laptop, a tablet, an in-vehicle computer, and a door access device.
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| CN202110504666.0A CN113238704A (en) | 2021-05-10 | 2021-05-10 | Wake-up device, wake-up method, driving chip, display device and electronic equipment |
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| CN202110504666.0A CN113238704A (en) | 2021-05-10 | 2021-05-10 | Wake-up device, wake-up method, driving chip, display device and electronic equipment |
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