CN114690960A - Display screen and terminal equipment - Google Patents
Display screen and terminal equipment Download PDFInfo
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- CN114690960A CN114690960A CN202210409986.2A CN202210409986A CN114690960A CN 114690960 A CN114690960 A CN 114690960A CN 202210409986 A CN202210409986 A CN 202210409986A CN 114690960 A CN114690960 A CN 114690960A
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- Prior art keywords
- touch
- control circuit
- touch panel
- key
- display screen
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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
- G06F3/0412—Digitisers structurally integrated in a display
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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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
Abstract
The application relates to a display screen and terminal equipment, the display screen includes touch panel and button device, touch panel has the touch-control side, touch panel is equipped with the touch-control circuit who is used for realizing the touch-control function and is used for realizing entity button control function's button control circuit, button device movably connects in touch panel, and button device is located touch-control side of touch panel at least partially, button device is equipped with the switch circuit with button control circuit electric connection, button device is configured to be used for switching on or not switching on of control switch circuit under the effort, with switch on or not switching on of realization button control circuit. The display screen can solve the problem that the touch panel is difficult to meet the requirement of physical operation feeling.
Description
Technical Field
The application relates to the technical field of display, in particular to a display screen and terminal equipment.
Background
The touch panel is widely applied to various devices and can provide convenient touch operation. However, in some specific applications, for example, entertainment machines, industrial control machines, and aviation and navigation equipment, there are cases where a specific operation needs to be performed urgently, and it is difficult for the touch panel to ensure that a user can perform a specific operation accurately at a specific location in an emergency, and it is difficult to satisfy the requirement of physical operation feeling.
Disclosure of Invention
Therefore, it is necessary to provide a display screen and a terminal device for solving the problem that a touch panel is difficult to meet the operation requirement.
According to an aspect of the present application, there is provided a display screen including: the touch control panel is provided with a touch control side and is provided with a touch control circuit for realizing a touch control function and a key control circuit for realizing an entity key control function; and the key device is movably connected with the touch panel and at least partially positioned on the touch side of the touch panel, the key device is provided with a switch circuit electrically connected with the key control circuit, and the key device is configured to be used for controlling the conduction or non-conduction of the switch circuit under an acting force so as to realize the conduction or non-conduction of the key control circuit.
The display screen provided by the embodiment of the application, through set up electrically connected's touch-control circuit and button control circuit simultaneously on touch panel, set up the switch circuit with button control circuit electric connection on the button device, and set up button device and touch panel movably connected, and the button device is located touch panel's touch-control side at least partly, through exerting the effort to the button device at the touch-control side, can make the switch circuit on the button device switch on, or make the switch circuit on the button device open a way or open a way, in order to realize switching on or not conducting of button control circuit, make this touch panel possess touch-control function and entity button control function simultaneously, based on this, this touch panel can satisfy the demand of carrying out predetermined button action under specific scene, thereby satisfy different operation demands.
In some embodiments, the touch panel has a back side opposite to the touch side, the back side of the touch panel is provided with a connection layer; the key control circuit is arranged on the connecting layer. The connecting layer is arranged on the back side of the touch panel, and the key control circuit is arranged on the connecting layer, so that the interference of the key control circuit on other functional circuits on the touch panel is avoided. And the key control circuit is arranged on the connecting layer positioned on the back side of the touch panel, so that the key control circuit can be hidden on the back side of the touch panel, and the key control circuit is protected.
In some embodiments, the key device includes a pressing end and a connecting end connected to each other, the pressing end penetrates through the touch side of the touch panel, and the connecting end penetrates through the back side of the touch panel; the connecting end is connected with the connecting layer so as to realize the electrical connection between the switch circuit and the key control circuit; the pressing end is configured to control the switch circuit to be conductive or non-conductive under an acting force. The pressing end of the key device penetrates through the touch side of the touch panel, and the connecting end of the key device penetrates through the back side of the touch panel, so that a user can operate the key device on the touch side of the touch panel, and the occupied space of the key device on the touch panel is small.
In some embodiments, the connection layer comprises a conductive layer; the connection end is provided with a conductive portion configured to be electrically connected with the conductive layer when the connection end is in contact with the connection layer. The connecting layer is arranged and comprises a conducting layer, and the connecting end of the key device is provided with a conducting part, so that when the key device is acted by an external force, the pressing end drives the connecting end to contact with the connecting layer, the electric connection between the conducting part and the conducting layer is realized, and the key control circuit is switched on. Alternatively, the connection end is electrically connected with a flexible circuit board configured to be electrically connected with the conductive layer when the connection end is in contact with the connection layer. The electric connection between the conductive part of the key device and the conductive layer of the connecting layer is realized through the flexible circuit board, so that the key control circuit is conducted, and the flexible circuit board is used for connection, so that the structure influence on the touch panel is small.
In some embodiments, the touch panel includes a touch chip, the touch chip is provided with a signal input channel, and the signal input channel is electrically connected to the output end of the key control circuit, so as to electrically connect the key control circuit to the touch chip.
In some embodiments, the signal input channel includes an analog input channel electrically connected to the output of the key control circuit. Through the setting of analog input channel, make the function that key control circuit can realize more diversified.
In some embodiments, the key control circuit includes a response device; the touch control chip is provided with a signal output channel, and the signal output channel is electrically connected with the input end of the response device. The signal output channel of the touch chip is electrically connected with the input end of the response device, so that the response state of the response device can be controlled according to the signal output by the signal output channel of the touch chip.
In some embodiments, the signal output channel comprises an analog output channel, and the analog output channel is electrically connected with the input end of the response device; or the key control circuit is provided with a power supply, and the power supply is electrically connected with the input end of the response device. When the program is adopted to control the analog quantity input and the analog quantity output, the signal sensing can be carried out when needed, the channel control is carried out through the chip, the integration of a plurality of groups of keys can be met, and the functions of the key control circuit are enriched. When the key control circuit inputs voltage through the power supply VCC and simultaneously controls analog input by a program, the voltage sensing input can be realized by using an analog input channel, and meanwhile, the overall framework cost is ensured to be lower.
In some embodiments, the response device comprises one or more of a display device, a lighting device, a speaker, and a motor. Through increasing key control circuit and button device on touch panel for the user not only can send corresponding instruction through touch operation, can also control whether switching on of button control circuit through the button device, thereby realizes the control to display device, illuminator, speaker, motor etc. response device's operating condition, satisfies user's different operation demands.
According to another aspect of the present application, there is also provided a display screen including: the touch control panel is provided with a touch control side and is provided with a touch control circuit for realizing a touch control function and a key control circuit for realizing a key control function; and the key device is movably connected to the touch panel and at least partially positioned on the touch side of the touch panel, and the key device is configured to be electrically connected with the key control circuit under an acting force so as to realize the conduction of the key control circuit, or be disconnected with the key control circuit under the acting force so as to realize the disconnection of the key control circuit.
The display screen provided by the embodiment of the application comprises a touch circuit and a key control circuit which are electrically connected with each other and are arranged on a touch panel at the same time, a key device is movably connected with the touch panel and at least partially positioned on the touch side of the touch panel, and the key device and the key control circuit can be electrically connected or disconnected by applying an acting force on the key device on the touch side, so that the touch panel has a touch function and a key control function at the same time.
According to another aspect of the application, a terminal device is provided, which comprises the display screen.
Drawings
Fig. 1 is a schematic structural diagram of a display screen according to an embodiment of the present application;
FIG. 2 is a partial detail view of the key device on the display screen of FIG. 1;
FIG. 3 is a schematic view of another view angle of the display panel shown in FIG. 1;
fig. 4 is a schematic structural diagram of a key device according to an embodiment of the present application;
FIG. 5 is a schematic view of the key device shown in FIG. 4 from another perspective;
fig. 6 is a schematic view illustrating a connection structure between a key device and a touch panel according to an embodiment of the present application;
FIG. 7 is a schematic structural diagram of a key device according to another embodiment of the present application;
fig. 8 is a schematic view illustrating a connection structure between a key device and a touch panel according to another embodiment of the present disclosure;
fig. 9 is a schematic view illustrating a connection structure between a key device and a touch panel according to another embodiment of the present application;
fig. 10 is a schematic view illustrating an electrical connection between a touch panel and a key device according to an embodiment of the present application;
FIG. 11 is a schematic view illustrating an electrical connection between a touch panel and a key device according to another embodiment of the present application;
FIG. 12 is a schematic diagram of electrical connections of the key device shown in FIG. 11;
FIG. 13 is a schematic view illustrating an electrical connection between a touch panel and a key device according to another embodiment of the present application;
fig. 14 is a schematic diagram of electrical connection of the key device in fig. 13.
The reference numbers illustrate:
10: the control system 130: connecting layer
20: the control board 131: conductive layer
100: the touch panel 140: key control circuit
100 a: the touch side 200: key device
100 b: back side 210: pressing end
110: the cover plate 220: connecting end
120: the touch layer 221: conductive part
121: signal input layer 222: connecting seat
122: signal output layer 300: flexible circuit board
123: substrate 310: anisotropic conductive adhesive
124: protective layer 400: display module
125: structural reinforcement layer
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
Under a specific scene, a user is sometimes required to be able to quickly and accurately issue a corresponding instruction. For example, during a game, during operation of equipment in a factory, or during travel of an aeronautical facility, it is necessary to quickly issue instructions for stopping an action, changing the type of action, and changing the speed of the action for a component that is in action. Although the touch control type operation can meet the requirement for sending the instruction, the touch control type operation is difficult to feed back the operation structure from the aspect of hand feeling of the user, the user is difficult to obtain real experience, and when the instruction needs to be sent quickly in an emergency, the user is difficult to determine whether the instruction is sent, so that the operation experience and the operation effect are influenced, and the operation requirement is difficult to meet.
FIG. 1 is a schematic diagram of a display screen according to an embodiment of the present application; FIG. 2 illustrates a partial detail view of the key arrangement on the display screen of FIG. 1; fig. 3 shows a schematic view of another viewing angle of the display screen of fig. 1.
Referring to fig. 1, fig. 2 and fig. 3, a display screen according to an embodiment of the present disclosure includes a touch panel 100 and a key device 200. The touch panel 100 has a touch side 100a, and the touch panel 100 is provided with a touch circuit for implementing a touch function and a key control circuit 140 for implementing a physical key control function. The key device 200 is movably connected to the touch panel 100, and at least a portion of the key device 200 is located on the touch side 100a of the touch panel 100, the key device 200 is provided with a switch circuit electrically connected to the key control circuit 140, and the key device 200 is configured to control the switch circuit to be turned on or off under an acting force, so as to implement the turning on or off of the key control circuit 140.
The display screen provided by the embodiment of the application, by simultaneously setting the touch circuit and the key control circuit 140 which are electrically connected on the touch panel 100, the switch circuit which is electrically connected with the key control circuit 140 is set on the key device 200, and the key device 200 is movably connected with the touch panel 100, and the key device 200 is at least partially located on the touch side 100a of the touch panel 100, and by applying an acting force to the key device 200 on the touch side 100a, the switch circuit can be turned on, turned off or disconnected, so as to achieve the turning on or turning off of the key control circuit 140, so that the touch panel 100 has both a touch function and an entity key control function, based on this, the touch panel 100 can meet the requirement of performing a preset key action in a specific scene, thereby meeting different operation requirements.
It is understood that the key device 200 is at least partially located on the touch side 100a of the touch panel 100, including the key device 200 is entirely located on the touch side 100a of the touch panel 100, and the key device 200 is partially located on the back side 100b opposite to the touch side 100a and partially penetrates through the touch side 100a of the touch panel 100, so as to facilitate the user to operate the key device 200 on the touch side 100a of the touch panel 100. The shape of the key device 200 may be cylindrical, polygonal prism, spherical, hemispherical, or a combination thereof. The number of the key devices 200 may be one or more. The touch circuit diagram of the touch panel 100 in the related art can be referred to as the principle of the touch circuit, and the key switch circuit diagram, the sound adjusting circuit diagram, the light adjusting circuit diagram, and the motor speed adjusting circuit diagram in the related art can be referred to as the principle of the switch circuit and the key control circuit 140 in the related art, which are not described herein again. The touch control circuit, the switch circuit and the key control circuit 140 may be connected to the control board 20 separately or together, and the control board 20 may be connected to the control system 10.
In some embodiments, the touch panel 100 has a back side 100b opposite to the touch side 100a, the back side 100b of the touch panel 100 is provided with a connection layer 130, and the key control circuit 140 is provided on the connection layer 130. By disposing the connection layer 130 on the back side 100b of the touch panel 100 and disposing the key control circuit 140 on the connection layer 130, interference of the key control circuit 140 with other functional circuits on the touch panel 100 is avoided. Further, by disposing the key control circuit 140 on the connection layer 130 on the back side 100b of the touch panel 100, the key control circuit 140 can be hidden on the back side 100b of the touch panel 100, thereby protecting the key control circuit 140. Further, the display screen further includes a display module 400, and the display module 400 is located on the back side 100b of the touch panel 100.
In some embodiments, the touch panel 100 includes a cover plate 110 and a touch layer 120 stacked on each other, and a connection layer 130 is disposed between the cover plate 110 and the touch layer 120. Further, the cover plate 110 is provided with an avoiding hole, and the connecting layer 130 is accommodated in the avoiding hole of the cover plate 110 in an avoiding manner, so that the thickness of the touch panel 100 can be ensured to be small. Specifically, the key device 200 is partially located in the escape hole, and the other part extends out of the cover plate 110.
Specifically, the material of the touch layer 120 includes Polycarbonate (PC), Polymethyl methacrylate (PMMA) or Polyethylene terephthalate (PET), and the material of the connection layer 130 is the same as or different from the material of the touch layer 120.
FIG. 4 is a schematic structural diagram of a key device according to an embodiment of the present application; fig. 5 is a schematic structural diagram of another view angle of the key device in fig. 4.
Referring to fig. 3, 4 and 5, in some embodiments, the key device 200 includes a pressing end 210 and a connecting end 220 connected to each other, the pressing end 210 penetrates through the touch side 100a of the touch panel 100, the connecting end 220 penetrates through the back side 100b of the touch panel 100, the connecting end 220 is connected to the connecting layer 130 to implement electrical connection between the switch circuit and the key control circuit 140, and the pressing end 210 is configured to control the switch circuit to be turned on or off under an acting force, so that the control of the on state of the key control circuit 140 can be implemented by applying pressure to the pressing end 210 to change the on state of the switch circuit. Furthermore, the pressing end 210 of the key device 200 penetrates the touch side 100a of the touch panel 100, and the connecting end 220 of the key device 200 penetrates the back side 100b of the touch panel 100, so that the user can operate the key device 200 on the touch side 100a of the touch panel 100 to switch the on state of the switch short circuit, and the key device 200 occupies a small space on the touch panel 100.
Fig. 6 is a schematic view illustrating a connection structure between a key device and a touch panel according to an embodiment of the present application.
Referring to fig. 4 and 6, in some embodiments, the connection layer 130 includes a conductive layer 131, the connection end 220 is provided with a conductive portion 221, and the conductive portion 221 is configured to be electrically connected with the conductive layer 131 when the connection end 220 is in contact with the connection layer 130. The connection layer 130 is disposed to include a conductive layer 131, and the connection end 220 of the key device 200 is disposed with a conductive portion 221, such that the switch circuit is electrically connected to the key control circuit 140 through the electrical connection between the conductive portion 221 and the conductive layer 131.
Specifically, the connecting terminal 200 may be provided with a connecting seat, and the conductive portion 221 is located on the connecting seat, so that the conductive portion 221 and the conductive layer 131 are electrically connected through the connection between the connecting seat and the connecting layer 130. The connection form between the connection seat and the connection layer 130 may be lap joint, plug-in connection, or conductive adhesive bonding.
In other embodiments, the connection layer 130 includes a conductive layer 131, the connection end 220 is electrically connected to a flexible circuit board 300, and the flexible circuit board 300 is configured to be electrically connected to the conductive layer 131 when the connection end 220 is in contact with the connection layer 130. The flexible circuit board 300 is used to electrically connect the conductive part 221 of the key device 200 and the conductive layer 131 of the connection layer 130, so that the key control circuit 140 is electrically connected, and the flexible circuit board 300 is used to connect, so that the structure of the touch panel 100 is less affected.
Referring to fig. 6, in some embodiments, the touch layer 120 includes a signal input layer 121 and a signal output layer 122 stacked together, a substrate 123 is disposed between the signal input layer 121 and the signal output layer 122, and the connection layer 130 is disposed on a side of the signal input layer 121 facing the substrate 123, or the connection layer 130 is disposed on a side of the signal output layer 122 facing the substrate 123, and the connection layer 130 includes a conductive layer 131, and traces are disposed on the conductive layer 131 to form a key control circuit 140 (see fig. 1). The conductive layer 131 is made of silver paste or other metals, the silver paste can form a circuit pattern by screen printing, and the other metals can form a circuit pattern by Chemical Vapor Deposition (CVD) or Electroplating (Electroplating).
Preferably, the touch layer 120 is provided with an avoidance area, the connection layer 130 is located in the avoidance area, and the protection layer 124 may be further provided for protecting the touch layer 120 in an area not covered by the connection layer 130 on the avoidance area.
It can be understood that when the key device 200 is pressed, the key device 200 generates a certain degree of pressure on the touch panel 100, and in order to reduce damage to the touch panel 100 during the key pressing process, a structure enhancement layer 125 is disposed on a region of the signal input layer 121 or the signal output layer 122 corresponding to the connection layer 130, so as to purposefully enhance the structural strength of the region.
FIG. 7 is a schematic structural diagram of a key device according to another embodiment of the present application; fig. 8 is a schematic view illustrating a connection structure between a key device and a touch panel according to another embodiment of the present disclosure.
Referring to fig. 4, 7 and 8, in another embodiment, the touch layer 120 includes a signal input layer 121 and a signal output layer 122 stacked together, a substrate 123 is disposed between the signal input layer 121 and the signal output layer 122, the connection layer 130 is disposed on a side of the signal output layer 122 facing the substrate 123, the connection layer 130 includes a conductive layer 131, a trace is disposed on the conductive layer 131 to form the key control circuit 140, the conductive layer 131 is connected to the flexible circuit board 300 through an anisotropic conductive adhesive 310, and another end of the flexible circuit board 300 is used for electrically connecting with the connection end 220 of the key device 200, so that the key device 200 is connected to the touch panel 100 through the flexible circuit board 300.
Fig. 9 is a schematic view illustrating a connection structure between a key device and a touch panel according to another embodiment of the present application.
Referring to fig. 9, in other embodiments, the touch layer 120 includes a signal input layer 121 and a signal output layer 122 stacked, and a partial area of the signal output layer 122 is used as a connection layer 130 for disposing the key control circuit 140, i.e., a portion of the signal output layer 122 is used as a conductive layer 131 for disposing the key control circuit 140, so that the number of layer structures of the touch panel 100 can be reduced, and the thickness of the touch panel 100 can be reduced.
Fig. 10 is a schematic diagram illustrating an electrical connection between a touch panel and a key device according to an embodiment of the disclosure.
Referring to fig. 10, in some embodiments, the touch panel 100 has a General Purpose Input/Output (GPIO). Specifically, the touch panel 100 includes a touch chip, and the touch chip is provided with a signal input channel, and the signal input channel is electrically connected to the output end of the key control circuit 140, so as to electrically connect the key device 200 to the touch chip.
Further, the signal input channel includes an analog input channel, and the analog input channel is electrically connected to the output terminal of the key control circuit 140. Through the setting of the analog input channel, the functions that the key control circuit 140 can realize are more diversified.
In some embodiments, the key control circuit 140 includes a response device, and the touch chip has a signal output channel electrically connected to an input terminal of the response device. The signal output channel of the touch chip is electrically connected with the input end of the response device, so that the response state of the response device can be controlled according to the signal output by the signal output channel of the touch chip.
In some embodiments, the signal output channel includes an analog output channel electrically connected to the input of the response device. In other embodiments, the key control circuit 140 is provided with a power supply, and the power supply is electrically connected to the input terminal of the response device.
FIG. 11 is a schematic view illustrating electrical connection between a touch panel and a key device according to another embodiment of the present application; fig. 12 shows an electrical connection schematic diagram of the key device of fig. 11.
Referring to fig. 11 and 12, in an embodiment, the touch chip is provided with a signal output channel and a signal input channel, the signal output channel includes a signal output pin Tx and an analog output channel a/O, the signal input channel includes a signal input pin Rx and an analog input channel a/I, and the analog input and the analog output are controlled by a program, for example, the analog output channel a/O performs voltage output and the analog input channel a/I performs voltage sensing input, so that switching and signal sensing can be performed as needed.
FIG. 13 is a schematic view illustrating electrical connection between a touch panel and a key device according to another embodiment of the present application; fig. 14 shows an electrical connection schematic diagram of the key device of fig. 13.
Referring to fig. 13 and 14, in an embodiment, the touch chip is provided with a signal output channel and a signal input channel, the signal output channel includes a signal output pin Tx, the signal input channel includes a signal input pin Rx and an analog input channel a/I, the power input is realized by using a fixed power supply VCC, based on this, the analog input is controlled by a program, such as the analog input channel a/I performs voltage sensing input, and the switching status is determined by using the analog input channel a/I, so that the overall architecture cost is low.
Specifically, the response device includes one or more of a display device, a light-emitting device, a speaker, and a motor. By adding the key control circuit 140 and the key device 200 to the touch panel 100, a user can not only send a corresponding instruction through touch operation, but also control the on/off of the key control circuit 140 through the key device 200, thereby realizing the control of the working state of the display device, the light-emitting device, the speaker, the motor and other response devices, and meeting different operation requirements of the user.
Based on the same purpose, the application also provides a display screen.
Referring to fig. 1 to 3, in some embodiments, the display screen includes a touch panel 100 and a key device 200. The touch panel 100 has a touch side 100a, and the touch panel 100 is provided with a touch circuit for implementing a touch function and a key control circuit 140 for implementing a key control function. The key device 200 is movably connected to the touch panel 100, and at least a portion of the key device 200 is located on the touch side 100a of the touch panel 100, the key device 200 is configured to be electrically connected to the key control circuit 140 under an acting force to turn on the key control circuit 140, or to be disconnected from the key control circuit 140 under the acting force to turn off or open the key control circuit 140.
The display screen provided by the embodiment of the application, by simultaneously arranging the touch circuit and the key control circuit 140 which are electrically connected on the touch panel 100, and arranging the key device 200 to be movably connected with the touch panel 100, and the key device 200 is at least partially located on the touch side 100a of the touch panel 100, the key device 200 and the key control circuit 140 can be electrically connected or disconnected by applying an acting force to the key device 200 on the touch side 100a, so that the touch panel 100 has a touch function and a key control function at the same time, based on this, the touch panel 100 can meet the requirement of performing a preset key action in a specific scene, thereby meeting different operation requirements.
In some embodiments, the touch panel 100 has a back side 100b opposite to the touch side 100a, the back side 100b of the touch panel 100 is provided with a connection layer 130, and the key control circuit 140 is provided on the connection layer 130. By disposing the connection layer 130 on the back side 100b of the touch panel 100 and disposing the key control circuit 140 on the connection layer 130, interference of the key control circuit 140 with other functional circuits on the touch panel 100 is avoided. Further, by disposing the key control circuit 140 on the connection layer 130 on the back side 100b of the touch panel 100, the key control circuit 140 can be hidden in the back side 100b of the touch panel 100, thereby protecting the key control circuit 140.
Referring to fig. 3, 4 and 5, further, the key device 200 includes a pressing end 210 and a connecting end 220 connected to each other, the pressing end 210 penetrates through the touch side 100a of the touch panel 100, the connecting end 220 penetrates through the back side 100b of the touch panel 100, and the pressing end 210 is configured to drive the connecting end 220 to contact the connecting layer 130 or to be separated from the connecting layer 130 under an acting force. The pressing end 210 of the key device 200 penetrates the touch side 100a of the touch panel 100, and the connecting end 220 of the key device 200 penetrates the back side 100b of the touch panel 100, so that a user can operate the key device 200 on the touch side 100a of the touch panel 100 to control the conduction state of the key control circuit 140.
Based on the same purpose, the application also provides a terminal device, which includes the display screen in the above embodiment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. A display screen, comprising:
the touch control panel is provided with a touch control side and is provided with a touch control circuit for realizing a touch control function and a key control circuit for realizing an entity key control function; and
the button device is movably connected with the touch panel and at least partially positioned on the touch side of the touch panel, the button device is provided with a switch circuit electrically connected with the button control circuit, and the button device is configured to be used for controlling the conduction or non-conduction of the switch circuit under acting force so as to realize the conduction or non-conduction of the button control circuit.
2. The display screen of claim 1, wherein the touch panel has a back side opposite to the touch side, the back side of the touch panel being provided with a connection layer;
the key control circuit is arranged on the connecting layer.
3. The display screen according to claim 2, wherein the button device comprises a pressing end and a connecting end which are connected, the pressing end penetrates through the touch side of the touch panel, and the connecting end penetrates through the back side of the touch panel;
the connecting end is connected with the connecting layer so as to realize the electrical connection between the switch circuit and the key control circuit;
the pressing end is configured to control the switch circuit to be conductive or non-conductive under an acting force.
4. A display screen in accordance with claim 3, wherein the connection layer comprises a conductive layer;
the connecting end is provided with a conductive part which is configured to be electrically connected with the conductive layer when the connecting end is contacted with the connecting layer; or
The connection end is electrically connected with a flexible circuit board configured for electrical connection with the conductive layer when the connection end is in contact with the connection layer.
5. The display screen according to any one of claims 1 to 4, wherein the touch panel comprises a touch chip, the touch chip is provided with a signal input channel, and the signal input channel is electrically connected with the output end of the key control circuit.
6. The display screen of claim 5, wherein the signal input channel comprises an analog input channel, and the analog input channel is electrically connected to the output terminal of the key control circuit.
7. The display screen of claim 5, wherein the key control circuit includes a response device;
the touch control chip is provided with a signal output channel, and the signal output channel is electrically connected with the input end of the response device.
8. The display screen of claim 7, wherein the signal output channel comprises an analog output channel, and the analog output channel is electrically connected to an input terminal of the response device; or alternatively
The key control circuit is provided with a power supply, and the power supply is electrically connected with the input end of the response device.
9. A screen as claimed in claim 7, wherein the response means comprises one or more of a display device, a light emitting device, a loudspeaker, and a motor.
10. A display screen, comprising:
the touch control panel is provided with a touch control side and is provided with a touch control circuit for realizing a touch control function and a key control circuit for realizing a key control function; and
the button device is movably connected to the touch panel and at least partially positioned on the touch side of the touch panel, and the button device is configured to be electrically connected with the button control circuit under an acting force so as to realize the conduction of the button control circuit, or be disconnected with the button control circuit under the acting force so as to realize the disconnection of the button control circuit.
11. A terminal device characterized by comprising a display screen according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210409986.2A CN114690960B (en) | 2022-04-19 | 2022-04-19 | Display screen and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210409986.2A CN114690960B (en) | 2022-04-19 | 2022-04-19 | Display screen and terminal equipment |
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| CN114690960A true CN114690960A (en) | 2022-07-01 |
| CN114690960B CN114690960B (en) | 2023-09-05 |
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| CN202210409986.2A Active CN114690960B (en) | 2022-04-19 | 2022-04-19 | Display screen and terminal equipment |
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| CN114690960B (en) | 2023-09-05 |
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