CN109379456B - Terminal and control method thereof - Google Patents
Terminal and control method thereof Download PDFInfo
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- CN109379456B CN109379456B CN201811140204.XA CN201811140204A CN109379456B CN 109379456 B CN109379456 B CN 109379456B CN 201811140204 A CN201811140204 A CN 201811140204A CN 109379456 B CN109379456 B CN 109379456B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/22—Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
- Optical Communication System (AREA)
Abstract
The invention provides a terminal and a control method thereof, wherein the terminal comprises a first surface and a second surface which are deviated from each other, the first surface is provided with a first screen, and the second surface is provided with a second screen; the terminal comprises a light emitting unit, a light receiving unit, a processing unit and a first through hole penetrating through the first surface and the second surface; the light emitting unit is arranged in the first through hole, the first light emitting direction of the light emitting unit faces the first surface, and the second light emitting direction of the light emitting unit faces the second surface; the optical receiving unit is used for receiving a first optical signal emitted towards the first surface and a second optical signal emitted towards the second surface, converting the first optical signal into a first electrical signal and converting the second optical signal into a second electrical signal; the processing unit is electrically connected with the light receiving unit and used for processing the first electric signal and the second electric signal. The invention can not only improve the flexibility of the device layout, but also improve the utilization rate of the device.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a terminal and a control method thereof.
Background
With the rapid development of the terminal, an infrared sensor and a photosensitive sensor can be generally installed in the terminal to realize distance detection, ambient light detection and the like, and further realize the control of the display state of the terminal screen. The current single-screen terminal is generally provided with a hole on a non-display area of one side of the terminal provided with a screen, and the sensor is arranged below the hole.
With the continuous development of science and technology, the double-sided screen terminal gradually becomes a development trend. Double-sided screen terminal, as the name implies, a terminal is equipped with two screens. For a double-sided screen terminal, if the non-display area of each side provided with the screen is continuously opened by the single-sided screen terminal, and a group of sensors are respectively arranged under each opening, resource waste is easily caused, and the utilization rate of devices is low.
Disclosure of Invention
The embodiment of the invention provides a terminal and a control method thereof, which aim to solve the problems of resource waste and low device utilization rate caused by the fact that a single-side screen terminal is continuously used for forming holes in a non-display area of each side provided with a screen and a group of sensors are respectively arranged under each hole.
In order to solve the problems, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a terminal, where the terminal includes a first surface and a second surface that are opposite to each other, the first surface is provided with a first screen, and the second surface is provided with a second screen;
the terminal comprises a light emitting unit, a light receiving unit, a processing unit and a first through hole penetrating through the first face and the second face;
the light emitting unit is arranged in the first through hole, the first light emitting direction of the light emitting unit faces the first surface, and the second light emitting direction of the light emitting unit faces the second surface;
the optical receiving unit is used for receiving a first optical signal and a second optical signal, and converting the first optical signal into a first electrical signal and converting the second optical signal into a second electrical signal, wherein the first optical signal comprises an optical signal emitted by the optical emitting unit towards the first surface, and the second optical signal comprises an optical signal emitted by the optical receiving unit towards the second surface;
the processing unit is electrically connected with the light receiving unit and is used for processing the first electric signal and the second electric signal.
In a second aspect, an embodiment of the present invention further provides a control method, which is applied to the terminal according to the first aspect, and the method includes:
under the condition that an incoming call is received, controlling the first screen and the second screen to display incoming call information;
detecting the first electrical signal and the second electrical signal;
and if the variation of the first electric signal is larger than that of the second electric signal, controlling the second screen to be turned off.
In a third aspect, an embodiment of the present invention further provides a control method, which is applied to the terminal according to the first aspect, and the method includes:
if the target screen of the terminal receives touch operation, controlling a target light receiving unit which is arranged on the same surface of the terminal as the target screen to be in an open state, and controlling another light receiving unit of the terminal to be in a closed state;
and adjusting the backlight brightness of the target screen according to the electric signal converted by the target light receiving unit.
In a fourth aspect, an embodiment of the present invention further provides a control method, which is applied to the terminal according to the first aspect, and the method includes:
if the target screen of the terminal receives touch operation, controlling the processing unit to only process the target electric signal converted by the photoelectric conversion unit;
adjusting the backlight brightness of the target screen according to the target electric signal;
and the light signal corresponding to the target electric signal is received by the end faces of the light guide column and the target screen which face the same direction.
In the embodiment of the invention, the terminal comprises a first surface and a second surface which are deviated from each other, wherein the first surface is provided with a first screen, and the second surface is provided with a second screen; the terminal is provided with a light emitting unit in a first through hole penetrating through the first surface and the second surface, the first light emitting direction of the light emitting unit faces the first surface, and the second light emitting direction of the light emitting unit faces the second surface; the optical receiving unit of the terminal can receive a first optical signal emitted towards the first surface and a second optical signal emitted towards the second surface, convert the received optical signals into electric signals and transmit the electric signals to the processing unit of the terminal, and therefore control over the display state of the first screen and/or the second screen is achieved. Therefore, the terminal of the invention can realize the multiplexing of the device by splitting and arranging the light emitting unit, the light receiving unit and the processing unit, thereby not only improving the flexibility of the device arrangement, but also improving the utilization rate of the device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is one of schematic diagrams of a terminal provided in an embodiment of the present invention;
fig. 2 is a second schematic diagram of a terminal according to an embodiment of the present invention;
fig. 3 is a third schematic diagram of a terminal according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a light emitting unit provided by an embodiment of the present invention;
fig. 5 is one of schematic diagrams of light emission of a light emitting unit provided by an embodiment of the present invention;
fig. 6 is a second schematic diagram of the light emitting unit according to the embodiment of the invention;
fig. 7 is a fourth schematic diagram of a terminal according to an embodiment of the present invention;
fig. 8 is a fifth schematic diagram of a terminal according to an embodiment of the present invention;
FIG. 9 is a flow chart of a control method provided by an embodiment of the present invention;
FIG. 10 is a second flowchart of a control method according to an embodiment of the present invention;
fig. 11 is a third flowchart of a control method according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be implemented, for example, in a sequence other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, as used in the specification and claims, "and/or" means at least one of the connected objects, e.g., a and/or B and/or C, means 7 cases including a alone, B alone, C alone, and both a and B present, B and C present, a and C present, and A, B and C present.
The terminal of the embodiment of the invention is a double-sided screen terminal. For easy understanding, please refer to fig. 1, fig. 2, and fig. 3 together. As shown in fig. 1, the terminal includes a first face 10 and a second face 20 that face away from each other. As shown in fig. 2 and 3 (a), a first screen 11 may be provided on the first face 10. As shown in fig. 2 and (b) of fig. 3, a second screen 21 may be provided on the second side 20.
The terminal further includes a light emitting unit 30, a light receiving unit 40, a processing unit 50, and a first through hole penetrating the first and second faces 10 and 20.
Wherein the light emitting unit 30 is provided in the first through hole as shown in fig. 2 and 3. Further, a first light emitting direction of the light emitting unit 30 is toward the first face 10, and a second light emitting direction of the light emitting unit 30 is toward the second face 20. That is, the light emitting unit 30 may emit the first optical signal toward the first surface 10 and emit the second optical signal toward the second surface 20. Since the first face 10 and the second face 20 are faced away from each other, it can be understood that the light emission directions of the light emission unit 30 of the embodiment of the present invention include at least a first light emission direction and a second light emission direction that are opposite in direction.
The light receiving unit 40 may be configured to receive the first optical signal and the second optical signal, and convert the first optical signal into a first electrical signal and convert the second optical signal into a second electrical signal. Further, the converted first electrical signal and second electrical signal are transmitted to the processing unit 50 for processing.
The first optical signal may include, but is not limited to, an optical signal emitted from the light emitting unit 30 toward the first surface 10, and the second optical signal may include, but is not limited to, an optical signal emitted from the light emitting unit 30 toward the second surface 20. Further, the first and second optical signals may also include an ambient light signal. It should be noted that the first electrical signal and the second electrical signal converted by the light receiving unit 40 are both analog electrical signals.
The processing unit 50 is electrically connected to the light receiving unit 40 and configured to process the first electrical signal and the second electrical signal, so that the terminal can implement distance detection, proximity detection, ambient light detection, and the like according to the processing result, and further implement control of the display state of the first screen 11 and/or the second screen 21. Specifically, controlling the display state of the screen may include, but is not limited to, controlling turning on and off the screen and/or adjusting the screen backlight brightness.
In a specific implementation, the terminal may electrically connect the processing unit 50 and the light receiving unit 40 through an FPC (Flexible Printed Circuit), but is not limited thereto.
Further, the processing unit 50 is electrically connected to the light emitting unit 30, so that the processing unit 50 can control the current flowing through the light emitting unit 30 by controlling the voltage across the light emitting unit 30, thereby adjusting the light emitting power of the light emitting unit 30 and improving the flexibility of adjusting the light emitting unit.
In the embodiment of the present invention, the processing unit 50, the light emitting unit 30, and the light receiving unit 40 may be in a split layout, that is, the arrangement position of the processing unit 50 in the terminal may be independent of the arrangement position of the light emitting unit 30 and the light receiving unit 40 in the terminal, and the processing unit 50 may be arranged on a main board of the terminal, for example.
Therefore, the terminal of the present invention can implement multiplexing of devices by splitting and arranging the light emitting unit, the light receiving unit and the processing unit 50, thereby not only improving flexibility of device arrangement, but also improving utilization rate of devices.
In the embodiment of the present invention, the light receiving unit 40 may include at least two expressions as follows.
Expression one, the light receiving unit 40 includes a first light receiving unit 41 and a second light receiving unit 42. It should be understood that the first light receiving unit 41 and the second light receiving unit 42 are independent from each other and do not affect each other.
In the first embodiment in which the terminal includes the light-receiving unit 40 of the first expression, correspondingly, as shown in fig. 2 (a), the terminal is provided with a first accommodating chamber, and the first accommodating chamber is provided to be open at the first face 10 of the terminal; as shown in fig. 2 (b), the terminal is provided with a second receiving cavity, and the second receiving cavity is provided opening at the second face 20 of the terminal;
the first light receiving unit 41 is disposed in the first accommodating cavity, and is configured to receive the first optical signal and convert the first optical signal into a first electrical signal;
the second light receiving unit 42 is disposed in the second accommodating cavity, and is configured to receive the second optical signal and convert the second optical signal into a second electrical signal.
It should be understood that, in the present embodiment, the first light receiving unit 41 and the second light receiving unit 42 are both electrically connected to the processing unit 50, so that the processing unit 50 can receive the first electrical signal transmitted by the first light receiving unit 41 and the second electrical signal transmitted by the second light receiving unit 42.
In addition, the arrangement positions and shapes of the first through hole, the first accommodating cavity and the second accommodating cavity at the terminal in fig. 2 are only examples, and may be determined according to actual needs, and this is not limited in the embodiment of the present invention.
In the embodiment, the light emitting unit is arranged in the first through hole, and can emit in two directions; the first light receiving unit is arranged in the first accommodating cavity, can receive the light signal emitted by the light emitting unit towards the first surface and the ambient light signal, and converts the received light signal into an electric signal; the second light receiving unit is arranged in the second accommodating cavity, can receive the light signal emitted by the light receiving unit towards the second surface and the ambient light signal, and can convert the received light signal into an electric signal. Therefore, distance detection, approach detection, ambient light detection and the like can be realized through one light emitting unit, two light receiving units and one processing unit, and further the control on the display state of the first screen and/or the second screen is realized, so that the reuse rate of the device is improved, and the layout number of the device is reduced; further, the screen occupation ratio can be improved.
In the second expression, the light receiving unit 40 includes a light guide pillar and a photoelectric conversion unit covering the light guide pillar.
In the second embodiment in which the terminal includes the light receiving unit 40 of the second expression, correspondingly, as shown in fig. 3, the terminal is provided with a second through-hole penetrating the first surface 10 and the second surface 20, and the light receiving unit 40 is provided in the second through-hole.
As shown in fig. 3 (a), the first end surface 43 of the light guide bar facing the first surface 10 is used for receiving the first optical signal, and as shown in fig. 3 (b), the second end surface 44 of the light guide bar facing the second surface 20 is used for receiving the second optical signal;
the photoelectric conversion unit is used for converting the first optical signal into a first electric signal and converting the second optical signal into a second electric signal.
It is to be understood that, in the present embodiment, the processing unit 50 is connected to the photoelectric conversion unit of the light receiving unit 40 to receive the electric signal transmitted by the photoelectric conversion unit.
In addition, the installation positions and shapes of the first through hole and the second through hole at the terminal in fig. 3 are only examples, and may be determined according to actual needs, and the embodiment of the present invention does not limit this.
Further, the photoelectric conversion unit includes a photoelectric thin film layer and an electrode provided on the photoelectric thin film layer; wherein, the photoelectric film layer is electrically connected with the processing unit through the electrode. In a specific implementation, the second through hole may be disposed on the middle frame, the light guide pillar is embedded in the middle frame, and the thin film made of photoelectric material (such as mercury cadmium telluride) is included on the light guide pillar as a photoelectric conversion unit.
In the embodiment, the light emitting unit is arranged in the first through hole, and can emit in two directions; the light guide column of the light receiving unit is arranged in the second through hole, the first end face of the light guide column can receive the light signal and the environment light signal emitted by the light emitting unit towards the first face, and the second end face of the light guide column can receive the light signal and the environment light signal emitted by the light receiving unit towards the second face; the photoelectric conversion unit of the light receiving unit converts the light signal received by the light guide column into an electric signal. Therefore, distance detection, approach detection, ambient light detection and the like can be realized through one light emitting unit and one processing unit of one light receiving unit, and further the control of the display state of the first screen and/or the second screen is realized, so that the multiplexing rate of the device is improved, and the layout quantity of the device is reduced.
In addition, compared with the first embodiment, the light guide pillar of the light receiving unit of the present embodiment can simultaneously receive the first light signal and the second light signal, thereby further reducing the number of the light receiving units and improving the multiplexing rate of the device.
In the embodiment of the present invention, alternatively, as shown in fig. 4, the light emitting unit 30 may include a light emitting element 31 and a light guide transparent layer 32 covering the light emitting element 31. That is, the light emitting unit 30 encapsulates the light emitting element 31 through the light guide transparent layer 32.
Like this, the terminal through set up the light emitting component that can carry out two-way transmission in first through-hole, transmit optical signal towards first face and second face simultaneously, can reduce the quantity of arranging of light emitting component in the terminal, resources are saved.
The transparent light guide layer 32 may be made of a transparent light guide material, and has anisotropic light guide properties, such as resin and liquid crystal.
The light emission direction of the light emitting element 31 includes a first light emission direction and a second light emission direction opposite in direction, that is, the light emitting element 31 can perform bidirectional emission.
Alternatively, as shown in fig. 4, the light emitting element 31 may include a PNP type triode made of a light emitting material. Further, the light emitting element 31 may include a PNP type triode made of a light emitting material having a radiation efficiency higher than a predetermined value, wherein the predetermined value may be determined according to practical requirements, such as 0.9, and the like, and the embodiment of the invention is not limited thereto.
In addition, in practical applications, the luminescent material may be an infrared luminescent material, but is not limited thereto.
The principle of bidirectional emission of the light emitting element 31 is exemplified below in the principle of infrared bidirectional emission, but it should be understood that the principle of bidirectional emission for other types of light than infrared light is the same as the principle of infrared bidirectional emission.
The common unidirectional infrared light emitting unit (or called as infrared emitting tube) is a diode which is made of a material with high infrared radiation efficiency (commonly used gallium arsenide) into a PN junction and injects current to the PN junction by plus forward bias to excite infrared light. In the direction perpendicular to the PN junction, the intensity of the infrared light emitted from the diode is maximum and then decreases toward both sides, covering only a maximum emission range of 180 °, as shown in fig. 5.
In order to adapt to the use characteristics of the double-sided screen that infrared light is simultaneously emitted towards the front and the back, a PNP structure is adopted in the light emitting unit (or called as an emitting tube), and the PNP structure can be equivalent to two infrared diodes which are connected in series and opposite to each other. According to the light emitting principle of the PN junction, under the forward voltage, electrons are injected into a P region from an N region, and holes are injected into the N region from the P region. A part of the minority carrier (abbreviated as minority carrier) entering the opposite region is recombined with the majority carrier (abbreviated as majority carrier) to emit light, and the process is shown in fig. 6. Since recombination is generated in the minority carrier diffusion region, light is generated only within a few microns near the PN junction, and the position of the P-well and N-well in a specific PNP structure can be referred to in fig. 6.
Additionally, it will be appreciated that in some embodiments, the light emitting element 31 may also represent two serially opposed infrared diodes.
In the embodiment of the present invention, optionally, the processing unit 50 may include an amplifying module 51, an analog-to-digital conversion module 52, and a comparing module 53; the first electrical signal and the second electrical signal are analog electrical signals;
the input end of the amplifying module 51 is connected to the light receiving unit 40, the output end of the amplifying module 51 is connected to the input end of the analog-to-digital conversion module 52, and the amplifying module 51 is configured to amplify the first electrical signal and the second electrical signal and transmit the amplified first electrical signal and the amplified second electrical signal to the input end of the analog-to-digital conversion module 52;
the output end of the analog-to-digital conversion module 52 is connected to the comparison module 53, and the analog-to-digital conversion module 52 is configured to perform analog-to-digital conversion on the amplified first electrical signal and the amplified second electrical signal to obtain a first digital electrical signal and a second digital electrical signal, and transmit the first digital electrical signal and the second digital electrical signal to the comparison module 53;
the comparing module 53 is used for comparing the first digital electrical signal with the second digital electrical signal. Specifically, the comparing module 53 is configured to detect, compare, and judge the first digital electrical signal and the second digital electrical signal, and feed back a Central Processing Unit (CPU) according to a set judgment result, so that the CPU executes an operation corresponding to the set judgment result.
In addition, the comparing module 53 is also electrically connected with the amplifying module 51 and is used for controlling the amplification factor of the amplifying module 51; in addition, the comparing module 53 may also be used to control the sampling frequency of the ADC (Analog-to-Digital Converter) module 52, so as to improve the flexibility of signal processing.
It should be noted that, various optional implementations described in the embodiments of the present invention may be implemented in combination with each other or implemented separately, and the embodiments of the present invention are not limited thereto.
For ease of understanding, please refer to fig. 7 and 8 together. In fig. 7 and 8, solid arrows indicate the flow of the first optical signal, and dashed arrows indicate the flow of the second optical signal.
As shown in fig. 7, the first optical signal emitted from the optical transmitting unit 30 is received by the first optical receiving unit 41 and converted into a first analog electrical signal, the first analog electrical signal is amplified by the amplifying module 51 of the processing unit 50 and then enters the ADC module 52, and the amplified first analog electrical signal is converted into a first digital electrical signal by the ADC module 52.
The second optical signal emitted by the optical transmitting unit 30 is received by the second optical receiving unit 42 and converted into a second analog electrical signal, the second analog electrical signal is amplified by the amplifying module 51 of the processing unit 50 and then enters the ADC module 52, and the amplified second analog electrical signal is converted into a second digital electrical signal by the ADC module 52.
The ADC module 52 transmits the first digital electrical signal and the second digital electrical signal to the comparison module 53, and the comparison module 53 compares the first digital electrical signal and the second digital electrical signal to implement distance detection, proximity detection, ambient light detection, and the like, thereby implementing control of the display state of the first screen and/or the second screen.
As shown in fig. 8, the first optical signal emitted from the light emitting unit 30 is received by the first end surface 43 of the light guide pillar, and is converted into a first analog electrical signal by the photoelectric conversion unit covering the light guide pillar, the first analog electrical signal is amplified by the amplifying module 51 of the processing unit 50 and then enters the ADC module 52, and the amplified first analog electrical signal is converted into a first digital electrical signal by the ADC module 52.
The second optical signal emitted from the light emitting unit 30 is received by the second end surface 44 of the light guide pillar and is converted into a second analog electrical signal by the photoelectric conversion unit covering the light guide pillar, the second analog electrical signal is amplified by the amplifying module 51 of the processing unit 50 and then enters the ADC module 52, and the amplified second analog electrical signal is converted into a second digital electrical signal by the ADC module 52.
The ADC module 52 transmits the first digital electrical signal and the second digital electrical signal to the comparison module 53, and the comparison module 53 compares the first digital electrical signal and the second digital electrical signal to implement distance detection, proximity detection, ambient light detection, and the like, thereby implementing control of the display state of the first screen and/or the second screen.
The signal processing flow of fig. 7 and fig. 8 is similar, and the difference is that the light receiving unit 40 in fig. 7 is represented by two independent first light receiving units 41 and second light receiving units 42, while the light receiving unit 41 in fig. 8 is represented by a light guide bar and a photoelectric conversion unit covering the light guide bar, and the light guide bar can guide the light received by the two end faces into the photoelectric conversion unit at the same time to convert the light signal into an electrical signal.
In the embodiment of the present invention, the terminal may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device), or the like.
In the embodiment of the invention, the infrared photosensitive function of the double-sided screen can be realized by multiplexing devices, and the key point of the invention is to realize the maximum infrared photosensitive function by using the devices as few as possible. The infrared photosensitive function can be understood as functions of distance detection, proximity detection, ambient light detection and the like, and the infrared photosensitive function can be used for realizing control over the display state of the first screen and/or the second screen.
In order to realize the infrared photosensitive function of the double-sided screen, the embodiment of the invention provides a control method for a terminal. For easy understanding, please refer to fig. 9 to 11 together. It is to be understood that the control method corresponding to fig. 9 may be applied to any of the terminals described above, the control method corresponding to fig. 10 may be applied to a terminal including the light receiving unit 40 of expression one (e.g., the terminal shown in fig. 2), and the control method corresponding to fig. 11 may be applied to a terminal including the light receiving unit 40 of expression two (e.g., the terminal shown in fig. 3).
The control method corresponding to fig. 9 can implement the light detection process of incoming call display, close to screen off, and far from screen on in the target scene. It should be noted that, in the target scene, the intensity values of the light signals detected by the light sensing units (such as the light receiving unit or the end face of the light guide pillar) of the first screen and the second screen of the terminal are substantially the same.
The control method of this embodiment may specifically include the following steps:
In this embodiment, after the terminal is connected to the incoming call, the incoming call information can be displayed on the two side screens at the same time to prompt the user to receive the incoming call.
On the other hand, when receiving an incoming call, the optical transmitting unit emits two optical signals, wherein one optical signal is emitted towards the first surface of the terminal, and the other optical signal is emitted towards the second surface of the terminal. The optical receiving unit receives a first optical signal and a second optical signal, converts the first optical signal into a first electrical signal, and converts the second optical signal into a second electrical signal, wherein the first optical signal comprises an optical signal emitted by the optical transmitting unit towards the first surface of the terminal, and the second optical signal comprises an optical signal emitted by the optical transmitting unit towards the second surface of the terminal.
When a user answers an incoming call in a handheld mode (including an earphone mode and a hands-free mode), no matter which side screen of the terminal is close to the user, an optical signal received by the photosensitive unit on the side can be obviously changed, namely, the intensity value of the optical signal can be greatly changed, while the optical signal received by the photosensitive unit on the other side is not obviously changed and is basically close to a bottom noise value, namely, when no shielding object is shielded above the photosensitive unit, the optical intensity value of the optical signal received by the photosensitive unit is basically close to the bottom noise value.
Or, the user places the terminal on the carrying object, and when the user answers the incoming call in the hands-free mode, the light signal received by the light sensing unit at the side of the screen close to the carrying object of the terminal is obviously changed, but the light signal received by the light sensing unit at the side of the screen far from the carrying object is not obviously changed.
Therefore, when a user answers an incoming call through the mode, the intensity values of the optical signals received by the photosensitive unit positioned on the first screen and the photosensitive unit positioned on the second screen of the terminal are different, and the difference can be reflected on the difference of the electric signals converted from the optical signals, so that the first electric signal and the second electric signal can be detected.
And step 93, controlling the second screen to be turned off if the variation of the value of the first electric signal is larger than that of the second electric signal.
In order to improve the accuracy of controlling the display state of the screen, if the variation of the first electrical signal is greater than the variation of the second electrical signal, controlling the second screen to be turned off may be represented as: and if the first variable quantity of the value of the first electric signal is greater than the second variable quantity of the value of the second electric signal, and the difference value of the first variable quantity and the second variable quantity is greater than a third threshold value, controlling the second screen to be turned off.
In a specific implementation, the processing unit may calculate a change amount Δ 1 of the first electrical signal and a change amount Δ 2 of the second electrical signal within a preset time period, and compare Δ 1 and Δ 2 to obtain a comparison result of Δ 1 and Δ 2. It should be noted that the starting time point of the preset time duration is any time point before the user answers the call, and the ending time point is any time point in the process of answering the call by the user. That is, the amount of change in the value of the electric signal may be expressed as an absolute value of a difference between the value of the electric signal detected at any point in time before the incoming call is answered and the value of the electric signal detected at any point in time during the incoming call is answered.
In the embodiment of the present invention, the processing unit may further store a first corresponding relationship between the preset comparison result and the preset determination result.
For example, in the first corresponding relationship, a first preset comparison result and a second preset comparison result may be included, where the first preset comparison result corresponds to a first preset judgment result, and the second preset comparison result corresponds to a second preset judgment result. The first preset comparison result is that the variation of the value of the first electric signal is greater than that of the second electric signal; the second preset comparison result is that the variation of the value of the first electrical signal is smaller than the variation of the value of the second electrical signal.
In this way, after obtaining the comparison result between Δ 1 and Δ 2, the processing unit may search the correspondence relationship, determine a preset determination result corresponding to the comparison result, and feed back the preset determination result to the CPU, so that the CPU executes an operation corresponding to the preset determination result.
It can be understood that, in the embodiment of the present invention, the CPU may pre-store the second corresponding relationship between the preset determination result and the preset operation.
For example, the second corresponding relationship may include a first predetermined determination result, a second predetermined determination result, and a third predetermined determination result, which are the same as those in the first corresponding relationship, where the first predetermined determination result corresponds to the first predetermined operation, and the second predetermined determination result corresponds to the second predetermined operation. The first preset operation is to control the second screen to be turned off; the second preset operation is to control the first screen to be turned off.
Thus, the CPU can determine the preset operation corresponding to the judgment result fed back by the processing unit by searching for the second corresponding relationship, and execute the preset operation.
Scene one, the change quantity of the value of the first electric signal is larger than the change quantity of the value of the second electric signal.
That is, in this scenario, the comparison result of Δ 1 and Δ 2 is a first preset comparison result, corresponding to a first preset operation, and the second screen may be controlled to be turned off.
Further, after the controlling the second screen to be turned off, the method further includes:
and if the difference value between the value of the first electric signal and the first threshold value is smaller than the first threshold value, controlling the first screen to be turned off, and controlling the first screen to be turned on under the condition that the difference value between the value of the first electric signal and the second threshold value is smaller than the second threshold value.
The first threshold value is used for representing whether the terminal is close to the user or not, and the second threshold value is used for representing whether the terminal is far away from the user or not.
Therefore, when the terminal is detected to be close to the user, the first screen can be controlled to be turned off, and when the terminal is far away from the user, the first screen is controlled to be turned on, so that the terminal can be prevented from being operated by the user in a wrong mode in the process of answering the incoming call, and meanwhile power consumption of the terminal can be reduced.
It should be noted that, in some embodiments, the CPU of the terminal may directly store the third corresponding relationship between the preset comparison result and the preset operation. In this embodiment, after obtaining the comparison result between Δ 1 and Δ 2, the processing unit of the terminal may directly transmit the comparison result to the CPU, so that the CPU determines the preset operation corresponding to the comparison result by searching the third corresponding relationship, and executes the preset operation. Compared with the embodiment, the method and the device can reduce the corresponding relation stored in the terminal, reduce the processing operation and improve the efficiency of the terminal in executing the operation.
And in a second scene, the change quantity of the value of the first electric signal is smaller than that of the second electric signal.
That is, in this scenario, the comparison result of Δ 1 and Δ 2 is a second preset comparison result, corresponding to a second preset operation, and the first screen may be controlled to be turned off. It should be understood that, in this scenario, the control principle of the second screen may refer to the control principle of the first screen in scenario one, and details are not repeated here.
By the control method of the embodiment, the display states of the first screen and the second screen can be controlled based on the light detection process, so that the power consumption of the terminal is reduced.
The control method corresponding to fig. 10 includes the steps of:
And 102, adjusting the backlight brightness of the target screen according to the electric signal converted by the target light receiving unit.
It should be understood that the target screen is one of the first screen and the second screen, that is, the target screen may be any one of the first screen and the second screen.
For ease of understanding, the target screen is exemplified as the first screen.
In a specific implementation, if the first screen of the terminal receives a touch operation and the second screen of the terminal does not receive the touch operation, it indicates that the second screen is most likely in a screen-off state, and the CPU may send a control signal to the processing unit to control the first light receiving unit to be in an on state and control the second light receiving unit to be in an off state, so that power consumption of the terminal may be reduced.
In this application scenario, the electrical signal converted by the first light receiving unit is mainly used to adjust the backlight brightness of the first screen, and therefore, it can be understood that the optical signal received by the first light receiving unit is mainly an ambient light signal. Therefore, further, the terminal can further control the light emitting unit to be in the off state, further reducing the power consumption of the terminal.
It should be understood that, in the process of adjusting the backlight brightness of the first screen by the processing unit based on the electrical signal converted by the first light receiving unit, the value of the backlight brightness is proportional to the value of the electrical signal. That is, the stronger the ambient light, the stronger the backlight brightness of the first screen; the weaker the ambient light is, the weaker the backlight brightness of the first screen is, so that the eyesight of a user can be protected, and the use experience of the user is improved.
It should be noted that, if the target screen is the second screen, the adjustment principle of the backlight brightness of the second screen is the same as that of the target screen being the first screen, and the adjustment principle of the backlight brightness of the first screen is not described herein again.
Through the control method of the embodiment, the power consumption of the terminal can be reduced, the eyesight of a user can be protected, and the use experience of the user is improved.
The control method corresponding to fig. 11 includes the steps of:
and step 111, if the target screen of the terminal receives a touch operation, controlling the processing unit to only process the target electric signal converted by the photoelectric conversion unit.
Wherein the target screen is one of a first screen and a second screen; and the light signal corresponding to the target electric signal is received by the end faces of the light guide column and the target screen with the same orientation.
And step 112, adjusting the backlight brightness of the target screen according to the target electric signal.
It is to be understood that the target screen may be any one of the first screen and the second screen.
For ease of understanding, the target screen is exemplified as the first screen.
In a specific implementation, if the first screen of the terminal receives a touch operation and the second screen of the terminal does not receive the touch operation, it indicates that the second screen is most likely in a screen-off state, the CPU may send a control signal to the processing unit, so as to control the processing unit to only process the first electrical signal converted by the photoelectric conversion unit, and ignore or abandon processing of the second electrical signal converted by the photoelectric conversion unit, thereby reducing power consumption of the terminal.
In this application scenario, the first electrical signal is mainly used to adjust the backlight brightness of the first screen, and therefore, it can be understood that the optical signal received by the first light receiving unit is mainly an ambient light signal. Therefore, further, the terminal can further control the light emitting unit to be in the off state, further reducing the power consumption of the terminal.
It should be understood that, in the process of adjusting the backlight brightness of the first screen by the processing unit based on the first electric signal, the value of the backlight brightness is proportional to the value of the electric signal. That is, the stronger the ambient light, the stronger the backlight brightness of the first screen; the weaker the ambient light is, the weaker the backlight brightness of the first screen is, so that the eyesight of a user can be protected, and the use experience of the user is improved.
It should be noted that, if the target screen is the second screen, the adjustment principle of the backlight brightness of the second screen is the same as that of the target screen being the first screen, and the adjustment principle of the backlight brightness of the first screen is not described herein again.
Through the control method of the embodiment, the power consumption of the terminal can be reduced, the eyesight of a user can be protected, and the use experience of the user is improved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A terminal is characterized by comprising a first surface and a second surface which are opposite, wherein the first surface is provided with a first screen, and the second surface is provided with a second screen;
the terminal comprises a light emitting unit, a light receiving unit, a processing unit and a first through hole penetrating through the first face and the second face;
the light emitting unit is arranged in the first through hole, the first light emitting direction of the light emitting unit faces the first surface, and the second light emitting direction of the light emitting unit faces the second surface;
the optical receiving unit is configured to receive a first optical signal and a second optical signal, and is configured to convert the first optical signal into a first electrical signal and convert the second optical signal into a second electrical signal, where the first optical signal includes an optical signal emitted by the optical transmitting unit toward the first surface, and the second optical signal includes an optical signal emitted by the optical transmitting unit toward the second surface;
the processing unit is electrically connected with the light receiving unit and is used for processing the first electric signal and the second electric signal to obtain a processing result, and the processing result is used for controlling the display state of the first screen and/or the second screen;
the terminal is provided with a second through hole penetrating through the first surface and the second surface, and the light receiving unit is arranged in the second through hole;
the light receiving unit comprises a light guide column and a photoelectric conversion unit for coating the light guide column;
the first end face, facing the first face, of the light guide column is used for receiving the first optical signal, and the second end face, facing the second face, of the light guide column is used for receiving the second optical signal;
the photoelectric conversion unit is used for converting the first optical signal into a first electric signal and converting the second optical signal into a second electric signal;
the photoelectric conversion unit comprises a photoelectric thin film layer and an electrode arranged on the photoelectric thin film layer;
wherein the photoelectric thin film layer is electrically connected with the processing unit through the electrode.
2. A terminal according to claim 1, wherein the light emitting unit comprises a light emitting element and a light guiding transparent layer encasing the light emitting element;
wherein the light emission direction of the light emitting element includes a first light emission direction and a second light emission direction opposite in direction.
3. A terminal as claimed in claim 2, characterised in that the light emitting element comprises a PNP triode made of light emitting material.
4. The terminal of claim 1, wherein the processing unit comprises an amplifying module, an analog-to-digital conversion module, and a comparing module; the first electrical signal and the second electrical signal are analog electrical signals;
the input end of the amplification module is connected with the light receiving unit, the output end of the amplification module is connected with the input end of the analog-to-digital conversion module, and the amplification module is used for amplifying the first electric signal and the second electric signal and transmitting the amplified first electric signal and the amplified second electric signal to the input end of the analog-to-digital conversion module;
the output end of the analog-to-digital conversion module is connected with the comparison module, and the analog-to-digital conversion module is used for performing analog-to-digital conversion on the amplified first electric signal and the amplified second electric signal to obtain a first digital electric signal and a second digital electric signal and transmitting the first digital electric signal and the second digital electric signal to the comparison module;
the comparison module is used for comparing the first digital electric signal with the second digital electric signal.
5. A control method applied to the terminal according to any one of claims 1 to 4, comprising:
under the condition that an incoming call is received, controlling the first screen and the second screen to display incoming call information;
detecting the first electrical signal and the second electrical signal;
and if the variation of the first electric signal is larger than that of the second electric signal, controlling the second screen to be turned off.
6. The method of claim 5, wherein after the controlling the second screen to be turned off, the method further comprises:
and if the difference value between the value of the first electric signal and the first threshold value is smaller than the first threshold value, controlling the first screen to be turned off, and controlling the first screen to be turned on under the condition that the difference value between the value of the first electric signal and the second threshold value is smaller than the second threshold value.
7. A control method applied to the terminal according to claim 1, comprising:
if the target screen of the terminal receives touch operation, controlling the processing unit to only process the target electric signal converted by the photoelectric conversion unit;
adjusting the backlight brightness of the target screen according to the target electric signal;
wherein the target screen is one of a first screen and a second screen; and the light signal corresponding to the target electric signal is received by the end faces of the light guide column and the target screen with the same orientation.
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| CN205986983U (en) * | 2016-07-27 | 2017-02-22 | 维沃移动通信有限公司 | Breathe modulated structure and mobile terminal |
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| CN102981350B (en) * | 2012-10-11 | 2015-10-14 | 广东欧珀移动通信有限公司 | A kind of bidirectional imaging device and electronic equipment |
| CN104980541A (en) * | 2015-07-13 | 2015-10-14 | 广东欧珀移动通信有限公司 | Camera module and mobile terminal |
| CN105892196A (en) * | 2016-04-29 | 2016-08-24 | 乐视控股（北京）有限公司 | Method and system for controlling flash lamp |
| CN105979098A (en) * | 2016-06-30 | 2016-09-28 | 努比亚技术有限公司 | Screen management method of double-sided screen and terminal |
| CN106686321B (en) * | 2017-02-27 | 2018-09-04 | 维沃移动通信有限公司 | A kind of camera shooting light compensating apparatus, method and mobile terminal |
| CN107395886B (en) * | 2017-07-21 | 2021-03-16 | 青岛海信移动通信技术股份有限公司 | Control method of double-screen mobile terminal, double-screen mobile terminal and storage medium |
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| CN205986983U (en) * | 2016-07-27 | 2017-02-22 | 维沃移动通信有限公司 | Breathe modulated structure and mobile terminal |
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