CN114690960B - Display screen and terminal equipment - Google Patents
Display screen and terminal equipment Download PDFInfo
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- CN114690960B CN114690960B CN202210409986.2A CN202210409986A CN114690960B CN 114690960 B CN114690960 B CN 114690960B CN 202210409986 A CN202210409986 A CN 202210409986A CN 114690960 B CN114690960 B CN 114690960B
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- touch
- layer
- touch panel
- control circuit
- key
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Classifications
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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 comprises a touch panel and a key device, the touch panel is provided with a touch side, the touch panel is provided with a touch circuit for realizing a touch function and a key control circuit for realizing a physical key control function, the key device is movably connected to the touch panel and is 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 control the switch circuit to be conducted or not conducted under acting force so as to realize the conduction or non-conduction of the key control circuit. The display screen can solve the problem that the touch panel is difficult to meet the physical operation feel requirement.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a display screen and a terminal device.
Background
The touch panel is widely applied to various devices and can provide convenient touch operation. However, in some applications in specific situations, for example, in entertainment machines, industrial computers, and navigation equipment, it is sometimes necessary to perform specific operations in an urgent manner, and it is difficult for a touch panel to ensure that a user can perform operations of specific actions at specific locations accurately in an urgent manner, so that it is difficult to satisfy the demands of physical operational feelings.
Disclosure of Invention
Based on this, it is necessary to provide a display screen and a terminal device for the problem that the touch panel is difficult to meet the operation requirement.
According to one aspect of the present application, there is provided a display screen including: the touch panel is provided with a touch side, and is provided with a touch circuit for realizing a touch function and a key control circuit for realizing a physical key control function; and the key device is movably connected to the touch panel and is 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 control the conduction or non-conduction of the switch circuit under acting force so as to realize the conduction or non-conduction of the key control circuit.
According to the display screen provided by the embodiment of the application, the touch control circuit and the key control circuit which are electrically connected are arranged on the touch control panel at the same time, the switch circuit which is electrically connected with the key control circuit is arranged on the key device, the key device is movably connected with the touch control panel, the key device is at least partially positioned on the touch control side of the touch control panel, the switch circuit on the key device can be conducted or the switch circuit on the key device can be disconnected or opened by applying acting force to the key device on the touch control side, so that the conduction or non-conduction of the key control circuit is realized, the touch control panel has both the touch control function and the physical key control function, and based on the touch control circuit, the touch control panel can meet the requirement of preset key actions under specific scenes, and therefore different operation requirements are met.
In some embodiments, 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. The connecting layer is arranged on the back side of the touch panel, so that the key control circuit is arranged on the connecting layer, and interference of the key control circuit to 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, the pressing end penetrating through the touch side of the touch panel, the connecting end penetrating through the back side of the touch panel; the connecting end is connected with the connecting layer to realize the electrical connection between the switch circuit and the key control circuit; the pressing terminal is configured to control the switching circuit to be conductive or non-conductive under an applied 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 space occupied by the key device on the touch panel is small.
In some embodiments, the connection layer comprises a conductive layer; the connection terminal is provided with a conductive portion configured to be electrically connected with the conductive layer when the connection terminal is in contact with the connection layer. The connecting layer comprises a conductive layer, the connecting end of the key device is provided with a conductive part, when the key device is acted by external force, the pressing end drives the connecting end to contact with the connecting layer, and the conductive part is electrically connected with the conductive layer, so that the key control circuit is conducted. Or, the connection end is electrically connected with a flexible circuit board, and the flexible circuit board is 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 utilized for connection, so that the structural 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 with an output end of the key control circuit, so as to realize electrical connection between the key control circuit and the touch chip.
In some embodiments, the signal input channel includes an analog input channel, and the analog input channel is electrically connected to an output end of the key control circuit. Through setting up of analog input channel for the function that key control circuit can realize is more diversified.
In some embodiments, the key control circuit includes a response means; 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 control 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 control chip.
In some embodiments, the signal output channel comprises an analog output channel, the analog output channel being electrically connected to the input 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 control analog quantity input and analog quantity output are adopted, signal sensing can be carried out when needed, channel control is carried out through the chip, integration of a plurality of groups of keys can be met, and functions of the key control circuit are enriched. When the key control circuit inputs voltage through the power supply VCC and adopts program control analog quantity input, voltage sensing input can be realized by utilizing an analog quantity input channel, and the overall architecture cost is ensured to be lower.
In some embodiments, the response means comprises one or more of a display means, a light emitting means, a speaker, a motor. By adding the key control circuit and the key device on the touch panel, a user can send out corresponding instructions through touch operation, and can control whether the key control circuit is conducted or not through the key device, so that the control of the working states of the response devices such as the display device, the light-emitting device, the loudspeaker and the motor is realized, and different operation requirements of the user are met.
According to another aspect of the present application, there is also provided a display screen including: the touch panel is provided with a touch side, and is provided with a touch circuit for realizing a touch 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 is configured to be electrically connected with the key control circuit under acting force so as to realize the conduction of the key control circuit, or disconnected with the key control circuit under acting force so as to realize the disconnection of the key control circuit.
According to the display screen provided by the embodiment of the application, the touch control circuit and the key control circuit which are electrically connected are arranged on the touch control panel at the same time, the key device is movably connected with the touch control panel, and at least part of the key device is positioned on the touch control side of the touch control panel, and the key device and the key control circuit can be electrically connected or disconnected by applying an acting force to the key device on the touch control side, so that the touch control panel has both a touch control function and a key control function, and based on the touch control circuit, the touch control panel can meet the requirement of preset key actions under a specific scene, and thus different operation requirements are met.
According to another aspect of the application there is provided a terminal device comprising a display as described above.
Drawings
FIG. 1 is a schematic diagram of a display screen according to an embodiment of the application;
FIG. 2 is a partial detail view of a key arrangement on the display of FIG. 1;
FIG. 3 is a schematic view of the display screen of FIG. 1 from another view;
FIG. 4 is a schematic diagram of a key device according to an embodiment of the application;
FIG. 5 is a schematic diagram illustrating a structure of the key device of FIG. 4 according to another view angle;
FIG. 6 is a schematic diagram illustrating a connection structure between a key device and a touch panel according to an embodiment of the application;
FIG. 7 is a schematic diagram of a key device according to another embodiment of the present application;
FIG. 8 is a schematic diagram illustrating a connection structure between a key device and a touch panel according to another embodiment of the application;
FIG. 9 is a schematic diagram illustrating a connection structure between a key device and a touch panel according to another embodiment of the application;
FIG. 10 is a schematic diagram illustrating an electrical connection between a touch panel and a key device according to an embodiment of the application;
FIG. 11 is a schematic diagram illustrating electrical connection between a touch panel and a key device according to another embodiment of the application;
FIG. 12 is a schematic diagram of electrical connection of the key device of FIG. 11;
FIG. 13 is a schematic diagram illustrating an electrical connection between a touch panel and a key device according to another embodiment of the application;
fig. 14 is a schematic diagram of electrical connection of the key device in fig. 13.
Reference numerals illustrate:
10: control system 130: connection layer
20: control board 131: conductive layer
100: touch panel 140: key control circuit
100a: touch side 200: key device
100b: backside 210: pressing end
110: cover plate 220: connecting terminal
120: 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 that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.
In the description of the present application, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" 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. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Under specific circumstances, it is sometimes desirable for a user to be able to quickly and accurately issue corresponding instructions. For example, during a game, during the operation of the plant equipment or during the travel of the navigation equipment, it is necessary to quickly issue a command to stop the operation, change the type of operation, and change the operation speed for the component being operated. Although the touch operation can meet the demand of instruction emission, the touch operation is difficult to feedback the operation structure from the hand feeling of the user, the user is difficult to obtain the real experience, and when the instruction needs to be rapidly emitted in emergency, the user is difficult to determine whether the instruction is emitted, the operation experience and the operation effect are influenced, and the operation demand is difficult to meet.
FIG. 1 is a schematic diagram of a display screen according to an embodiment of the present application; FIG. 2 shows a partial detail of the key arrangement on the display of FIG. 1; fig. 3 shows a schematic structural diagram of another view of the display screen in fig. 1.
Referring to fig. 1, 2 and 3, a display screen according to an embodiment of the application 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 realizing a touch function and a key control circuit 140 for realizing a physical key control function. The key device 200 is movably connected to 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 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 conductive or non-conductive under an applied force so as to realize the conductive or non-conductive of the key control circuit 140.
In the display screen provided by the embodiment of the application, the touch control circuit and the key control circuit 140 which are electrically connected are simultaneously arranged on the touch panel 100, the switch circuit which is electrically connected with the key control circuit 140 is arranged on the key device 200, the key device 200 is movably connected with the touch panel 100, the key device 200 is at least partially positioned on the touch side 100a of the touch panel 100, and the switch circuit can be conducted, opened or disconnected by applying an acting force to the key device 200 on the touch side 100a so as to realize the conduction or non-conduction of the key control circuit 140, so that the touch panel 100 simultaneously has the touch function and the physical key control function, and based on the switch circuit, the touch panel 100 can meet the requirement of preset key actions under specific scenes, 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, and includes that the key device 200 is integrally located on the touch side 100a of the touch panel 100, and that the key device 200 is partially located on the back side 100b opposite to the touch side 100a, and another portion penetrates through the touch side 100a 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. The shape of the key device 200 may be cylindrical, polygonal, spherical, hemispherical, or a combination thereof. The number of key devices 200 may be one or more. The principle of the touch circuit may refer to a touch circuit diagram of the touch panel 100 in the related art, and the principle of the switch circuit and the key control circuit 140 may refer to a key switch circuit diagram, a sound adjusting circuit diagram, a light adjusting circuit diagram, and a motor rotation speed adjusting circuit diagram in the related art, which are not described herein. The touch control circuit, the switch circuit and the key control circuit 140 may be connected to the control board 20 respectively 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 disposed on the connection layer 130. By providing the connection layer 130 on the back side 100b of the touch panel 100, the key control circuit 140 is provided on the connection layer 130, so as to avoid interference of the key control circuit 140 with other functional circuits on the touch panel 100. The key control circuit 140 is disposed on the connection layer 130 on the back side 100b of the touch panel 100, so that 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 that are stacked, and the connection layer 130 is disposed between the cover plate 110 and the touch layer 120. Further, the cover plate 110 is provided with an avoidance hole, and the avoidance hole on the cover plate 110 is used for avoiding and accommodating the connection layer 130, so that the thickness of the touch panel 100 can be ensured to be smaller. Specifically, the key device 200 is partially located in the avoidance hole, and the other portion extends out of the cover plate 110.
Specifically, the material of the touch layer 120 includes Polycarbonate (PC), polymethyl methacrylate (Polymethyl methacrylate, PMMA) or polyethylene terephthalate (Polyethylene glycol 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 diagram showing a key device according to an embodiment of the present application; fig. 5 shows a schematic structural diagram of the key device of fig. 4 from another view.
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, 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 with the connecting layer 130 to achieve 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 conductive or non-conductive under the acting force, so that the conductive state of the switch circuit can be changed by applying pressure to the pressing end 210, so as to achieve control of the conductive state of the key control circuit 140. Moreover, by penetrating the pressing end 210 of the key device 200 through the touch side 100a of the touch panel 100 and penetrating the connecting end 220 of the key device 200 through the back side 100b of the touch panel 100, a user can operate the key device 200 on the touch side 100a of the touch panel 100 to switch the on state of the short circuit, and the space occupied by the key device 200 on the touch panel 100 is small.
Fig. 6 is a schematic diagram showing a connection structure between a key device and a touch panel according to an embodiment of the application.
Referring to fig. 4 and 6, in some embodiments, the connection layer 130 includes a conductive layer 131, the connection terminal 220 is provided with a conductive portion 221, and the conductive portion 221 is configured to electrically connect with the conductive layer 131 when the connection terminal 220 contacts the connection layer 130. The connection layer 130 includes a conductive layer 131, and the connection end 220 of the key device 200 is provided with a conductive portion 221, and the electrical connection between the switch circuit and the key control circuit 140 is realized through the electrical connection between the conductive portion 221 and the conductive layer 131.
Specifically, the connection terminal 200 may be provided with a connection base, the conductive portion 221 is located on the connection base, and the electrical connection between the conductive portion 221 and the conductive layer 131 is achieved through the connection between the connection base and the connection layer 130. The connection between the connection base and the connection layer 130 may be lap joint, plug joint, or conductive adhesive bonding.
In other embodiments, the connection layer 130 includes a conductive layer 131, the connection terminal 220 is electrically connected to the flexible circuit board 300, and the flexible circuit board 300 is configured to be electrically connected to the conductive layer 131 when the connection terminal 220 contacts the connection layer 130. The conductive part 221 of the key device 200 is electrically connected with the conductive layer 131 of the connection layer 130 through the flexible circuit board 300, so that the key control circuit 140 is conducted, and the structure of the touch panel 100 is less affected by the connection of the flexible circuit board 300.
Referring to fig. 6, in some embodiments, the touch layer 120 includes a signal input layer 121 and a signal output layer 122 that are stacked, 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 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, 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 material of the conductive layer 131 includes silver paste or other metals, the silver paste can form a circuit pattern by a screen printing method, and the other metals can form a circuit pattern by a chemical vapor deposition (Chemical Vapor Deposition, CVD) method or an Electroplating (electro plating) method.
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 the damage to the touch panel 100 caused by the key process, a structural reinforcing layer 125 is disposed on the signal input layer 121 or the signal output layer 122 corresponding to the area of the connection layer 130, so as to pertinently enhance the structural strength of the area.
FIG. 7 is a schematic diagram showing a key device according to another embodiment of the present application; fig. 8 is a schematic diagram showing a connection structure between a key device and a touch panel according to another embodiment of the application.
Referring to fig. 4, 7 and 8, in other embodiments, the touch layer 120 includes a signal input layer 121 and a signal output layer 122 that are stacked, a substrate 123 is disposed between the signal input layer 121 and the signal output layer 122, a 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 a key control circuit 140, a flexible circuit board 300 is connected to the conductive layer 131 through an anisotropic conductive adhesive 310, and the other end of the flexible circuit board 300 is electrically connected to a 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 diagram of a connection structure between a key device and a touch panel according to another embodiment of the application.
Referring to fig. 9, in other embodiments, the touch layer 120 includes a signal input layer 121 and a signal output layer 122 that are stacked, and a partial area of the signal output layer 122 is used as a connection layer 130 for providing the key control circuit 140, i.e. a portion of the signal output layer 122 is used as a conductive layer 131 for providing the key control circuit 140, so that the number of layers 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 showing an electrical connection between a touch panel and a key device according to an embodiment of the application.
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 an output end of the key control circuit 140, so as to electrically connect the key device 200 and the touch chip.
Further, the signal input channel includes an analog input channel, and the analog input channel is electrically connected to an output terminal of the key control circuit 140. By setting 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 control chip is provided with a signal output channel, and the signal output channel is electrically connected to an input end of the response device. The signal output channel of the touch control 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 control chip.
In some embodiments, the signal output channel comprises an analog output channel, and the analog output channel is electrically connected to the input terminal 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 diagram showing electrical connection between a touch panel and a key device according to another embodiment of the application; fig. 12 is a schematic diagram showing the electrical connection of the key device in fig. 11.
Referring to fig. 11 and 12, in a specific 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, program control is adopted to input analog and output analog, such as voltage output by the analog output channel a/O, voltage sensing input is performed by the analog input channel a/I, switching and signal sensing can be performed when needed, channel control is performed integrally through the chip, and integration of multiple groups of keys can be satisfied, and functions of a key control circuit are enriched.
FIG. 13 is a schematic diagram showing electrical connection between a touch panel and a key device according to another embodiment of the application; fig. 14 shows an electrical connection schematic diagram of the key device in fig. 13.
Referring to fig. 13 and 14, in a specific 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, a fixed power supply VCC is used to implement power supply input, based on this, a program is used to control analog input, such as voltage sensing input performed by the analog input channel a/I, and the switching status is determined by the analog input channel a/I, so that the overall architecture cost is low.
Specifically, the response means comprises one or more of a display means, a lighting means, a speaker, a motor. By adding the key control circuit 140 and the key device 200 on the touch panel 100, a user can send out corresponding instructions through touch operation, and can control the on-off of the key control circuit 140 through the key device 200, so that the control of the working states of the response devices such as the display device, the light-emitting device, the loudspeaker and the motor is realized, and different operation requirements of the user are met.
Based on the same purpose, the application also provides a display screen.
Referring to fig. 1 to 3, in some embodiments, the display 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 realizing a touch function and a key control circuit 140 for realizing a key control function. The key device 200 is movably connected to 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 the key device 200 is configured to be electrically connected to the key control circuit 140 under an applied force to implement conduction of the key control circuit 140, or disconnected from the key control circuit 140 under an applied force to implement disconnection or open circuit of the key control circuit 140.
In the display screen provided by the embodiment of the application, the touch control circuit and the key control circuit 140 which are electrically connected are simultaneously arranged on the touch panel 100, the key device 200 is movably connected with the touch panel 100, the key device 200 is at least partially positioned on the touch side 100a of the touch panel 100, and 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 both a touch function and a key control function, and based on the touch circuit, the touch panel 100 can meet the requirement of performing preset key actions under specific scenes, 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 disposed on the connection layer 130. By providing the connection layer 130 on the back side 100b of the touch panel 100, the key control circuit 140 is provided on the connection layer 130, so as to avoid interference of the key control circuit 140 with other functional circuits on the touch panel 100. The key control circuit 140 is disposed on the connection layer 130 on the back side 100b of the touch panel 100, so that 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.
Referring to fig. 3, 4 and 5, further, the key device 200 includes a pressing end 210 and a connecting end 220, wherein 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 separate from the connecting layer 130 under a force. By penetrating the pressing end 210 of the key device 200 through the touch side 100a of the touch panel 100 and penetrating the connecting end 220 of the key device 200 through the back side 100b of the touch panel 100, a user can operate the key device 200 on the touch side 100a of the touch panel 100 to control the conductive state of the key control circuit 140.
Based on the same object, the application further provides a terminal device, which comprises the display screen in the embodiment.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (11)
1. A display screen, comprising:
the touch panel is provided with a touch side, the touch panel is provided with a touch circuit for realizing a touch function and a key control circuit for realizing a physical key control function, the touch panel is provided with a back side opposite to the touch side, and the back side of the touch panel is provided with a connecting layer; the touch panel comprises a cover plate and a touch layer which are arranged in a stacked manner, and the connecting layer is arranged between the cover plate and the touch layer; the touch control layer comprises a signal input layer and a signal output layer which are arranged in a stacked mode, and a structure enhancement layer is arranged on the signal input layer or the signal output layer in a region corresponding to the connection layer; and
the key device is movably connected to the touch panel and is 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 control the conduction or non-conduction of the switch circuit under acting force so as to realize the conduction or non-conduction of the key control circuit.
2. The display screen of claim 1, wherein the key control circuit is disposed on the connection layer.
3. The display screen of claim 2, wherein the key device comprises a pressing end and a connecting end connected, the pressing end penetrating through a touch side of the touch panel, the connecting end penetrating through a back side of the touch panel;
the connecting end is connected with the connecting layer to realize the electrical connection between the switch circuit and the key control circuit;
the pressing terminal is configured to control the switching circuit to be conductive or non-conductive under an applied force.
4. A display screen according to claim 3, wherein the connection layer comprises a conductive layer;
the connecting end is provided with a conductive part, and the conductive part is configured to be electrically connected with the conductive layer when the connecting end is contacted with the connecting layer; or alternatively
The connection end is electrically connected with a flexible circuit board, and the flexible circuit board is configured to be electrically connected 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 an output end of the key control circuit.
6. The display screen of claim 5, wherein the signal input channel comprises an analog input channel, the analog input channel being electrically connected to an output of the key control circuit.
7. The display screen of claim 5, wherein the key control circuit comprises a response means;
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, the analog output channel being electrically connected to the input 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. The display screen of claim 7, wherein the response means comprises one or more of a display device, a light emitting device, a speaker, a motor.
10. A display screen, comprising:
the touch panel is provided with a touch side, the touch panel is provided with a touch circuit for realizing a touch function and a key control circuit for realizing a key control function, the touch panel is provided with a back side opposite to the touch side, and the back side of the touch panel is provided with a connecting layer; the touch panel comprises a cover plate and a touch layer which are arranged in a stacked manner, and the connecting layer is arranged between the cover plate and the touch layer; the touch control layer comprises a signal input layer and a signal output layer which are arranged in a stacked mode, and a structure enhancement layer is arranged on the signal input layer or the signal output layer in a region corresponding to the connection layer; 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 is configured to be electrically connected with the key control circuit under acting force so as to realize the conduction of the key control circuit, or disconnected with the key control circuit under acting force so as to realize the disconnection of the key control circuit.
11. A terminal device comprising a display as claimed in 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 CN114690960A (en) | 2022-07-01 |
| CN114690960B true CN114690960B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210409986.2A Active CN114690960B (en) | 2022-04-19 | 2022-04-19 | Display screen and terminal equipment |
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| CN (1) | CN114690960B (en) |
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| CN114690960A (en) | 2022-07-01 |
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