Display module, electronic device, control method, and control apparatus

Abstract

The application discloses a display module, an electronic device, a control method and a control device. The display module comprises a display screen and a control device. The display screen comprises a pixel electrode layer, a common electrode layer and a conductive layer. The common electrode layer, the conductive layer and the pixel electrode layer are stacked in the thickness direction of the display screen. The pixel electrode layer and the common electrode layer form a first capacitor. The common electrode layer and the conductive layer form a second capacitor. The control device is electrically connected with at least one of the common electrode layer and the conductive layer to vibrate the common electrode layer and the conductive layer.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of display, and particularly relates to a display module, an electronic device, a control method and a control device. BACKGROUND

[0002] With the development of science and technology and the continuous improvement of people's quality of life, the importance of electronic devices in people's daily life and work is getting higher and higher, and people's requirements for the performance of electronic devices in all aspects are also gradually improving, which brings a greater challenge to the structural design of electronic devices.

[0003] Sound production is one of the important functions of electronic devices, which is usually realized by a separately arranged sound production module in the traditional technology. However, with more and more components needed to be arranged in electronic devices, the arrangement of the sound production module becomes more and more difficult, so the technology of using display screen vibration to produce sound has appeared. Specifically, a vibration piece can be arranged below the display screen, and the vibration piece can be driven to vibrate by a driving chip, and the vibration piece further drives the entire display screen to vibrate.

[0004] However, the vibration energy of the above-mentioned vibration piece is limited, and only a relatively light display screen can be driven to vibrate. For a heavy display screen such as a liquid crystal display screen, the vibration piece is not enough to realize the technology of display screen vibration sound production. Therefore, the technology of producing sound by display screen vibration has the defect of narrow application range. SUMMARY

[0005] The purpose of the embodiments of the present application is to provide a display module, an electronic device, a control method and a control device, which can solve the problem of narrow application range of the technology of display screen vibration sound production.

[0006] In order to solve the above-mentioned technical problem, the present application is implemented as follows:

[0007] In a first aspect, the embodiments of the present application provide a display module, comprising a display screen and a control device;

[0008] The display screen comprises a pixel electrode layer, a common electrode layer and a conductive layer, the common electrode layer, the conductive layer and the pixel electrode layer are stacked in the thickness direction of the display screen, the pixel electrode layer and the common electrode layer form a first capacitor, and the common electrode layer and the conductive layer form a second capacitor;

[0009] The control device is electrically connected with at least one of the common electrode layer and the conductive layer, so as to make the common electrode layer and the conductive layer vibrate.

[0010] In a second aspect, the embodiments of the present application provide an electronic device, comprising a shell and the above-mentioned display module, and the display module is arranged in the shell.

[0011] In a third aspect, an electronic device is provided, including a shell, a display screen, and a control device, the shell including a second metal frame, the display screen being disposed on the second metal frame, the second metal frame serving as a conductive layer;

[0012] The display screen includes a pixel electrode layer and a common electrode layer, the common electrode layer and the pixel electrode layer being stacked in a thickness direction of the display screen, the pixel electrode layer and the common electrode layer constituting a first capacitor, the common electrode layer and the second metal frame constituting a second capacitor;

[0013] The control device is electrically connected to at least one of the common electrode layer and the second metal frame, so as to vibrate the common electrode layer and the second metal frame.

[0014] In a fourth aspect, a control method is provided, applied to the electronic device, including:

[0015] Obtaining vibration information;

[0016] In response to the vibration information, a driving signal is applied to at least one of the common electrode layer and the conductive layer, so as to vibrate the common electrode layer and the conductive layer.

[0017] In a fifth aspect, a control device is provided, applied to the control method, including:

[0018] An obtaining module is configured to obtain vibration information;

[0019] A control module is configured to, in response to the vibration information, apply a driving signal to at least one of the common electrode layer and the conductive layer, so as to vibrate the common electrode layer and the conductive layer.

[0020] In a sixth aspect, an electronic device is provided, including a processor and a memory, the memory storing programs or instructions executable on the processor, the programs or instructions being executed by the processor to implement the steps of the method according to the fourth aspect.

[0021] In a seventh aspect, a readable storage medium is provided, storing programs or instructions, the programs or instructions being executed by a processor to implement the steps of the method according to the fourth aspect.

[0022] In an eighth aspect, a chip is provided, including a processor and a communication interface, the communication interface being coupled to the processor, the processor being configured to run programs or instructions to implement the method according to the fourth aspect.

[0023] In a ninth aspect, an embodiment of the present application provides a computer program product stored in a storage medium, and the program product is executed by at least one processor to implement the method in the fourth aspect.

[0024] In the embodiment of the present application, the display screen comprises a common electrode layer and a conductive layer. When an electric field is formed between the common electrode layer and the conductive layer, the common electrode layer and the conductive layer stretch and contract under the action of the electric field and thus vibrate, so that the display screen can vibrate and make sound. This scheme realizes vibration and sound making by using the structure of the display screen itself. No matter how heavy the display screen is, the vibration of the display screen can be realized by the stretching and contraction of the common electrode layer and the conductive layer. This scheme can be applied to display screens of any weight, so that the technology of making sound by vibration of the display screen is easier to realize, and the application range of the technology is widened. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A structural schematic diagram of the display screen disclosed by an embodiment of the present application is shown in the figure;

[0026] Figure 2 An exploded view of the display module disclosed by an embodiment of the present application is shown in the figure;

[0027] Figure 3 A driving timing diagram of the display module disclosed by an embodiment of the present application is shown in the figure;

[0028] Figure 4 A driving timing diagram of the display module in a touch detection period disclosed by an embodiment of the present application is shown in the figure;

[0029] Figure 5 A structural schematic diagram of part of the display screen disclosed by another embodiment of the present application is shown in the figure;

[0030] Figure 6 A flowchart of the control method disclosed by an embodiment of the present application is shown in the figure;

[0031] Figure 7 A structural block diagram of an electronic device for implementing an embodiment of the present application is shown in the figure;

[0032] Figure 8 A hardware structural schematic diagram of an electronic device for implementing an embodiment of the present application is shown in the figure.

[0033] Explanation of reference signs:

[0034] 110 - array substrate, 120 - pixel electrode layer, 130 - common electrode layer, 140 - thin film transistor, 141 - source electrode, 142 - drain electrode, 143 - gate electrode, 150 - gate insulating layer, 160 - active layer, 170 - storage capacitor bottom electrode, 180 - color film substrate, 190 - black matrix, 210 - color filter layer, 220 - liquid crystal layer, 230 - alignment layer, 240 - support column, 250 - first polarizer, 260 - second polarizer, 270 - light-transmitting cover plate, 280 - optical glue, 290 - frame glue, 310 - protective layer, 320 - flexible circuit board, 330 - conductive glue, 340 - driving chip, 350 - main board, 360 - control chip, 370 - organic light-emitting layer;

[0035] 410 - conductive layer;

[0036] 510 - first metal frame, 520 - reflective film, 530 - light guide plate, 540 - diffusion film, 550 - brightness enhancement film, 560 - light shielding glue;

[0037] 600 - electronic device, 610 - memory, 620 - processor;

[0038] 700 - electronic device, 701 - processor, 710 - radio frequency unit, 720 - network module, 730 - audio output unit, 740 - input unit, 741 - graphics processor, 742 - microphone, 750 - sensor, 760 - display unit, 761 - display panel, 770 - user input unit, 771 - touch panel, 772 - other input device, 780 - interface unit, 790 - memory. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0040] The terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually a category, and are not limited to the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally represents a "or" relationship between the front and rear associated objects.

[0041] The display module provided by the embodiments of the present application will be described in detail below in combination with the drawings, specific embodiments and application scenarios thereof.

[0042] Reference Figures 1 to 5 The embodiments of the present application disclose a display module, which comprises a display screen and a control device.

[0043] The display screen comprises an array substrate 110, a pixel electrode layer 120 and a common electrode layer 130. The array substrate 110 is provided with the pixel electrode layer 120 and a thin film transistor 140, which is connected to the pixel electrode layer 120 to transmit a driving signal to the pixel electrode layer 120 to control the display screen to display. The thin film transistor 140 mainly comprises a source electrode 141, a drain electrode 142 and a gate electrode 143. The source electrode 141 is electrically connected to a source wire of the display screen, the drain electrode 142 is connected to the pixel electrode layer 120, the gate electrode 143 is arranged between the source electrode 141 and the drain electrode 142 and is electrically connected to a gate wire of the display screen. The array substrate 110 is further provided with a gate insulating layer 150 and an active layer 160 arranged on the gate insulating layer 150. The gate insulating layer 150 covers the gate electrode 143 to realize insulation between the gate electrode 143 and the active layer 160. In addition, the array substrate 110 is further provided with a storage capacitor bottom electrode 170, and the gate insulating layer 150 covers the storage capacitor bottom electrode 170. The source electrode 141, the drain electrode 142 and the pixel electrode layer 120 can be covered by a protective layer 310 to realize a protection effect and a planarization effect.

[0044] Optionally, the source wire can be fixed and electrically connected to a flexible circuit board 320 through conductive glue 330. A driving chip 340 can be arranged on the flexible circuit board 320, and a flexible connecting part can be electrically connected to a mainboard 350. A control chip 360 can be arranged on the mainboard 350. The driving chip 340 can apply a driving signal to the thin film transistor 140 through the flexible circuit board 320 to drive the display screen to work.

[0045] The display screen further comprises a color film substrate 180 provided with a black matrix 190 and a color filter layer 210. The black matrix 190 and the color filter layer 210 can be arranged in the same layer. The color filter layer 210 can realize a filtering effect and can further comprise a red filter block, a green filter block and a blue filter block. The black matrix 190 can be arranged corresponding to a non-transparent area of the display screen to realize the function of shielding the wire and the like.

[0046] The pixel electrode layer 120 and the common electrode layer 130 are stacked in the thickness direction of the display screen, and the two can constitute a first capacitor, and the main function of the first capacitor is to realize the display function of the display screen. Optionally, the display screen can be a liquid crystal display screen, and the display screen further includes a liquid crystal layer 220, which can be encapsulated by a frame glue 290. The display module further includes a backlight assembly located on the side of the pixel electrode layer 120 away from the common electrode layer 130. The liquid crystal layer 220 is arranged between the array substrate 110 and the common electrode layer 130. At this time, the liquid crystal layer 220 is located between the pixel electrode layer 120 and the common electrode layer 130, and the two sides of the liquid crystal layer 220 are provided with an alignment layer 230. When the display screen module needs to display, the liquid crystal of the liquid crystal layer 220 is deflected under the driving action of the first capacitor, thereby changing the exit state of the light emitted by the backlight assembly after passing through the liquid crystal layer 220. The light passing through the liquid crystal layer 220 can further pass through the color filter layer 210 to realize the display function of the display screen.

[0047] In another optional embodiment, the display screen can be an organic light-emitting display screen, and the display screen further includes an organic light-emitting layer 370 arranged between the pixel electrode layer 120 and the common electrode layer 130. When the display module needs to display, the organic light-emitting layer 370 emits light under the driving action of the first capacitor, and the emitted light can further pass through the color filter layer 210 to realize the display function of the display screen.

[0048] In addition, a plurality of support columns 240 can be arranged between the array substrate 110 and the color film substrate 180 to support the array substrate 110 and the color film substrate 180 and prevent them from deforming. A first polarizing plate 250 can be arranged on the side of the array substrate 110 away from the color film substrate 180, and a second polarizing plate 260 can be arranged on the side of the color film substrate 180 away from the array substrate 110. The first polarizing plate 250 and the second polarizing plate 260 can both realize the function of polarizing light. The display module can further include a light-transmitting cover plate 270, and the second polarizing plate 260 can be bonded to the light-transmitting cover plate 270 by optical glue 280.

[0049] The display screen further comprises a conductive layer 410, the common electrode layer 130, the conductive layer 410 and the pixel electrode layer 120 are stacked in the thickness direction of the display screen, and the common electrode layer 130 and the conductive layer 410 form a second capacitor. The conductive layer 410 has a large area, so that a second capacitor with sufficient stability can be formed with the common electrode layer 130. Optionally, the area of the conductive layer 410 can be greater than 40% of the area of the display screen. The conductive layer 410 herein can be a structure already existing in the display screen, or a separately added structure. When the former embodiment is adopted, the structure of the display screen changes little, and the thickness of the display screen will not increase due to the conductive layer 410, so it is beneficial to control the thickness of the display screen. When the latter embodiment is adopted, the structure of the conductive layer 410 will not be restricted by the existing structure of the display screen, so the material, size and other parameters of the conductive layer 410 can be flexibly selected, thereby improving the performance of the second capacitor.

[0050] The common electrode layer 130 and the conductive layer 410 are electrostrictive components, and can be deformed by stretching and shrinking under the action of an electric field, thereby generating vibration. Optionally, the common electrode layer 130 and the conductive layer 410 can be made of a material that can be deformed by stretching and shrinking in an electric field, such as a piezoelectric material.

[0051] The control device is electrically connected to at least one of the common electrode layer 130 and the conductive layer 410, so as to make the common electrode layer 130 and the conductive layer 410 vibrate. In other words, the control device can control the state of the second capacitor formed by the common electrode layer 130 and the conductive layer 410, so as to form an electric field between the common electrode layer 130 and the conductive layer 410, and the common electrode layer 130 and the conductive layer 410 are deformed by stretching and shrinking under the action of the electric field, thereby vibrating and making sound. When the vibration sound generation scheme disclosed in the embodiments of the present application is adopted, the frequency of the sound emitted can reach the K level, and after modulation, it can meet the condition of being heard by the user.

[0052] According to the above content, in the display screen disclosed in the embodiments of the present application, the second capacitor formed by the common electrode layer 130 and the conductive layer 410 can form an electric field, which can act on the common electrode layer 130 and the conductive layer 410, so as to make the common electrode layer 130 and the conductive layer 410 vibrate, and further make the display screen vibrate and make sound. This scheme realizes vibration sound generation by using the structure of the display screen itself. No matter how heavy the display screen is, the vibration of the display screen can be realized by the stretching and shrinking of the common electrode layer 130 and the conductive layer 410. Therefore, this scheme can make it easier to realize sound generation by display screen vibration, and widen the application range of this technology.

[0053] In addition, since the display screen can be directly driven to produce sound, the sound signal does not need to be transmitted step by step, and the attenuation of the frequency, amplitude and other acoustic parameters of the emitted sound is small, and the sound production effect is better. When the display screen in the embodiment of the application produces sound, the functions of the sound production devices such as the earpiece and the loudspeaker can be realized, and thus the number of these sound production devices can be reduced, or even no additional sound production devices are needed, so that the number of parts of the electronic device using the display screen can be greatly reduced, the cost of the electronic device is lower, and the difficulty of the structural design of the electronic device is also reduced.

[0054] The display module refreshes the display content every unit time T. Optionally, the refresh frequency of the display screen can be 60Hz, 60 frames are refreshed per second, and in the time corresponding to each frame, the display and the touch detection of the display screen are time-division multiplexed, that is, a part of the time corresponding to each frame is used for display, and a part of the time corresponding to each frame is used for touch detection. Optionally, the vibration function of the display screen can be driven by an additional driver, or the unit time T can be re-allocated, so that the display, touch detection and vibration functions are realized at the same time in the unit time T. In this embodiment, the unit time T includes a display period t1, a touch detection period t2 and a vibration period t3, and is time-division multiplexed, wherein: when the display module is in the display period t1, the first capacitor is in a working state, at this time, the state of the liquid crystal layer 220 or the organic light emitting layer 370 can be controlled through the first capacitor, so as to realize the display function; when the display module is in the touch detection period t2, the common electrode layer 130 forms a plurality of detection units, each detection unit is applied with a touch detection signal, so as to realize the function of touch detection; when the display module is in the vibration period t3, the second capacitor is in a working state, and the control device applies a driving signal to at least one of the common electrode layer 130 and the conductive layer 410, so as to make the common electrode layer 130 and the conductive layer 410 vibrate.

[0055] After the above-mentioned manner is adopted, the display, touch detection and vibration functions of the display screen can be realized at the same time in the same unit time T, so that the vibration control can be realized according to the user's demand at each refresh, and thus the display screen can be more conveniently and sensitively controlled to vibrate. In addition, the display screen can be driven to produce sound by means of the driving chip 340 used to drive the display screen to display and touch detect, without the need to additionally set a special chip with high cost, so as to save the space occupied by the mainboard 350, facilitate the layout of the components on the mainboard 350, and reduce the cost of the display screen.

[0056] As Figure 3As shown, when the display module is in the display period t1, the common electrode layer 130 does not have a signal as the lower plate of the first capacitor. When the display module is in the touch detection period t2, the common electrode layer 130 is divided into a plurality of detection units, each of which receives a square wave signal of the same frequency and phase, and the amplitude of the square wave signal can be about 2.5V. The user's finger can be equivalent to ground. When the finger touches the display screen, the capacitance value of the second capacitor changes, and the display screen receives the square wave pulse S1, and the display screen receives the square wave pulse S2. The drive chip 340 detects the capacitance value change of the second capacitor through the common electrode layer 130, so as to determine whether the display screen is touched and the touched position. When the display module is in the vibration period t3, the common electrode layer 130 can receive a modulated square wave signal. By changing the amplitude, duty cycle and other parameters of the square wave signal, different frequency and size of sound signals can be modulated. Of course, when the display module is in the vibration period t3, the common electrode layer 130 can also receive a sine wave signal or other types of signals. Relatively speaking, the square wave signal is more convenient to modulate the target sound signal. Figure 4 When the display screen receives the square wave pulse S1, the second capacitor is charged. When the display screen receives the square wave pulse S2, the drive chip 340 detects the capacitance value change of the second capacitor through the common electrode layer 130, so as to determine whether the display screen is touched and the touched position. When the display module is in the vibration period t3, the common electrode layer 130 can receive a modulated square wave signal. By changing the amplitude, duty cycle and other parameters of the square wave signal, different frequency and size of sound signals can be modulated. Of course, when the display module is in the vibration period t3, the common electrode layer 130 can also receive a sine wave signal or other types of signals. Relatively speaking, the square wave signal is more convenient to modulate the target sound signal.

[0057] As described above, when the display screen is a liquid crystal display screen, in the case that the display screen module is in the display period t1, the liquid crystal of the liquid crystal layer 220 is deflected under the driving action of the first capacitor, thereby realizing the display function of the display screen. In this embodiment, the backlight assembly can include a first metal frame 510 and a reflective film 520, a light guide plate 530, a diffusion film 540 and a brightness enhancement film 550 which are sequentially stacked on the first metal frame 510. The brightness enhancement film 550 can be provided in one layer or multiple layers, and adjacent brightness enhancement films 550 can be connected through light shielding glue 560. The first metal frame 510 can serve as the setting basis of the reflective film 520, the light guide plate 530, the diffusion film 540 and the brightness enhancement film 550. Since the first metal frame 510 is made of metal material, it has conductivity, and the size of the first metal frame 510 is large enough to meet the condition of the conductive layer 410, so that the first metal frame 510 can be used as the conductive layer 410. This embodiment uses the existing structure of the backlight assembly to realize the requirement that the conductive layer 410 and the common electrode layer 130 constitute the second capacitor, and does not need to additionally set the conductive layer 410, thereby simplifying the structure of the display screen.

[0058] When the display screen is an organic light emitting display screen, as described above, the organic light emitting layer 370 emits light under the driving of the first capacitor when the display module is in the display period t1. At this time, the display screen further includes a conductive metal layer provided on the array substrate 110, which serves as the conductive layer 410. That is, the conductive metal layer can be additionally provided, so that the vibration sound function of the display screen can also be realized for the organic light emitting display screen, and the manufacturing material of the conductive metal layer can be designed for the purpose of improving the vibration sound effect and other vibration sound related performances, so that the vibration effect of the display screen can be more easily improved.

[0059] Based on the above display module, the embodiment of the present application further discloses an electronic device, which includes a shell and the display module described in any of the above embodiments, and the display module is arranged in the shell.

[0060] The embodiment of the present application further discloses an electronic device, which includes a shell, a display screen and a control device, the shell includes a second metal frame, and the display screen can be arranged in the second metal frame. Optionally, since the second metal frame is made of a metal material and has conductivity, and the size of the second metal frame is large enough to meet the condition of the conductive layer 410, the second metal frame can be used as the conductive layer 410. The display screen includes a pixel electrode layer 120 and a common electrode layer 130, and the common electrode layer 130 and the pixel electrode layer 120 are stacked in the thickness direction of the display screen. The pixel electrode layer 120 and the common electrode layer 130 form a first capacitor, and the common electrode layer 130 and the second metal frame form a second capacitor. The control device is electrically connected to at least one of the common electrode layer 130 and the second metal frame to vibrate the common electrode layer 130 and the second metal frame. Compared with the above-mentioned embodiments, the difference of the present embodiment is that the second metal frame is used as the conductive layer 410 to form a second capacitor with the common electrode layer, and the display screen can vibrate and sound by vibrating the common electrode layer 130 and the second metal frame. Except for this, the other structures are basically the same, and will not be described here in the interest of brevity.

[0061] The above-mentioned scheme also uses the structure of the display screen itself to realize vibration sound, and no matter how heavy the display screen is, the vibration of the display screen can be realized by the expansion and contraction of the common electrode layer 130 and the second metal frame. Therefore, this scheme can make it easier to realize the technology of sounding by vibrating the display screen, and expand the application range of this technology.

[0062] In addition, when the second metal frame is used as the conductive layer 410, the requirement that the conductive layer 410 and the common electrode layer 130 form a second capacitor can be met, and the conductive layer 410 does not need to be additionally provided, so that the structure of the electronic device is simplified.

[0063] As Figure 6 The embodiment of the present application also discloses a control method, which is applied to the electronic device of any of the above embodiments, and includes the following steps:

[0064] S100, obtaining vibration information.

[0065] The vibration information can include vibration parameters corresponding to a vibration state required by the display screen, such as a vibration frequency, a vibration amplitude, and the like.

[0066] S200, in response to the vibration information, applying a driving signal to at least one of the common electrode layer 130 and the conductive layer 410 to make the common electrode layer 130 and the conductive layer 410 vibrate.

[0067] According to the vibration information, a driving parameter corresponding to the vibration information can be obtained, and the driving signal can be applied to at least one of the common electrode layer 130 and the conductive layer 410 according to the driving parameter, so that the display screen vibrates, and the parameters of the sound emitted by the vibration of the display screen can match the vibration information. It should be noted that the conductive layer 410 can be an additional structure, or the existing structure of the display screen can be used as the conductive layer 410, or the first metal frame of the backlight assembly can be used as the conductive layer 410, or the second metal frame of the shell can be used as the conductive layer 410, and the embodiment of the present application does not limit this.

[0068] The control method disclosed by the embodiment of the present application can realize vibration sound emission by using the structure of the display screen itself. No matter how heavy the display screen is, the vibration of the display screen can be realized by the stretching and contraction of the common electrode layer 130 and the conductive layer 410. This solution can be applied to any weight of display screen, so that the technology of sound emission by vibration of the display screen can be more easily realized, and the application range of the technology is widened.

[0069] As described above, the display module refreshes the display content every unit time T, and the unit time T includes the display period t1, the touch detection period t2, and the vibration period t3. The step S200 is specifically as follows:

[0070] In the case that the display screen is in the vibration period t3, in response to the vibration information, a driving signal is applied to at least one of the common electrode layer 130 and the conductive layer 410 to make the common electrode layer 130 and the conductive layer 410 vibrate.

[0071] In this way, the display, touch detection, and vibration functions of the display screen can be realized at the same time in the same unit time T, so that vibration control can be realized according to the user's demand at each refresh, and thus the display screen can be more conveniently and sensitively controlled to vibrate.

[0072] Optionally, the length of the touch detection period t2 and the length of the vibration period t3 can not be equal, for example, the length of the touch detection period t2 can be greater than the length of the vibration period t3, at this time, the touch detection period t3 occupies a larger proportion, and therefore the reliability of touch detection is more easily guaranteed; or the length of the vibration period t3 can be greater than the length of the touch detection period t2, at this time, the vibration period t3 occupies a higher proportion, and therefore the vibration effect is more easily guaranteed. In other embodiments, the length of the touch detection period t2 and the length of the vibration period t3 are equal, when so arranged, the touch detection period t2 and the vibration period t3 occupy equal proportions, and therefore a balance between the touch detection effect and the vibration effect can be achieved.

[0073] The control method provided in the embodiments of the present application can be executed by the control device. The control method executed by the control device is taken as an example in the embodiments of the present application to illustrate the control device provided in the embodiments of the present application.

[0074] The embodiments of the present application also disclose a control device, which can apply the control method in any of the above embodiments, and the control device comprises: an acquisition module, configured to acquire vibration information; and a control module, configured to apply a driving signal to at least one of the common electrode layer 130 and the conductive layer 410 in response to the vibration information, so as to make the common electrode layer 130 and the conductive layer 410 vibrate.

[0075] The control device disclosed in the embodiments of the present application can realize vibration sound emission by using the structure of the display screen itself. No matter how heavy the display screen is, the vibration of the display screen can be realized by the stretching and contracting of the common electrode layer 130 and the conductive layer 410. This scheme can be applied to display screens of any weight, and therefore the scheme can make it easier to realize the technology of emitting sound by display screen vibration, and widen the application range of the technology.

[0076] The control device in the embodiments of the present application can be an electronic device, or a component in an electronic device, such as an integrated circuit or a chip. The electronic device can be a terminal, or other devices other than a terminal. For example, the electronic device can be a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted electronic device, a Mobile Internet Device (MID), an augmented reality (AR) / virtual reality (VR) device, a robot, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a personal digital assistant (PDA), and the like, and can also be a server, a Network Attached Storage (NAS), a personal computer (PC), a television (TV), a cash register, or a self-service machine, and the like, and the embodiments of the present application are not limited in this regard.

[0077] The control device in the embodiments of the present application can be a device with an operating system. The operating system can be an Android operating system, an ios operating system, or other possible operating systems, and the embodiments of the present application are not limited in this regard.

[0078] Optionally, as shown in Figure 7 The embodiments of the present application also provide an electronic device 600, which includes a processor 620 and a memory 610, and the memory 610 stores programs or instructions that can run on the processor 620. When the programs or instructions are executed by the processor 620, the processes of the above control method embodiments are implemented, and the same technical effects are achieved. To avoid repetition, details are not described here.

[0079] It should be noted that the electronic device in the embodiments of the present application includes the mobile electronic device and the non-mobile electronic device described above.

[0080] Figure 8 To implement the hardware structure of an electronic device in the embodiments of the present application.

[0081] The electronic device 700 includes, but is not limited to, a radio frequency unit 710, a network module 720, an audio output unit 730, an input unit 740, a sensor 750, a display unit 760, a user input unit 770, an interface unit 780, a memory 790, and a processor 701, and the like.

[0082] Those skilled in the art can understand that the electronic device 700 can further include a power supply (such as a battery) for supplying power to each component, and the power supply can be logically connected to the processor 701 through a power management system, so that the power management system can realize functions such as management of charging, discharging, and power consumption management. Figure 8 The electronic device structure shown in the foregoing embodiments does not constitute a limitation on the electronic device, and the electronic device can include more or fewer components than those shown, or combine certain components, or arrange different components, which will not be described here.

[0083] The processor 701 is configured to obtain vibration information, and in response to the vibration information, apply a driving signal to at least one of the common electrode layer 130 and the conductive layer 410 to make the common electrode layer 130 and the conductive layer 410 vibrate.

[0084] The electronic device disclosed in the embodiments of the present application can realize vibration sound generation by using the structure of the display screen itself. No matter how heavy the display screen is, the vibration of the display screen can be realized by the stretching and contracting of the common electrode layer 130 and the conductive layer 410. This solution can be applied to display screens of any weight, so that the technology of generating sound by display screen vibration can be more easily realized, and the application range of this technology is widened.

[0085] It should be understood that in the embodiments of the present application, the input unit 740 can include a graphics processor (GPU) 741 and a microphone 742. The graphics processor 741 processes image data of a still picture or a video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. The display unit 760 can include a display panel 761, which can be configured in the form of a liquid crystal display, an organic light-emitting diode, etc. The user input unit 770 includes at least one of a touch panel 771 and other input devices 772. The touch panel 771 is also called a touch screen. The touch panel 771 can include two parts of a touch detection device and a touch controller. The display screen disclosed in the embodiments of the present application can include the display panel 761 and the touch panel 771 described herein. The other input devices 772 can include, but are not limited to, a physical keyboard, function keys (such as volume control keys, on-off keys, etc.), a trackball, a mouse, a joystick, etc., which will not be described here.

[0086] The memory 790 can be used to store software programs and various data, and can mainly include a first storage area storing programs or instructions and a second storage area storing data, wherein the first storage area can store an operating system, application programs or instructions required by at least one function (such as a sound playing function, an image playing function, etc.), and the like. In addition, the memory 790 can include a volatile memory or a non-volatile memory, or the memory 790 can include both a volatile memory and a non-volatile memory. The non-volatile memory can be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically EPROM (EEPROM), or a flash memory. The volatile memory can be a Random Access Memory (RAM), a Static RAM (SRAM), a Dynamic RAM (DRAM), a Synchronous DRAM (SDRAM), a Double Data Rate SDRAM (DDR SDRAM), an Enhanced SDRAM (ESDRAM), a Synch link DRAM (SLDRAM), and a Direct Rambus RAM (DRRAM). The memory 790 in the embodiments of the present application includes but is not limited to these and any other suitable types of memory.

[0087] The processor 701 can include one or more processing units; optionally, the processor 701 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and an application program, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It can be understood that the above-mentioned modem processor can also not be integrated into the processor 701.

[0088] The embodiments of the present application also provide a readable storage medium, and the readable storage medium stores programs or instructions, the programs or instructions are executed by a processor to realize various processes of the above-mentioned control method embodiments and achieve the same technical effects. To avoid repetition, details are not described here.

[0089] The processor is the processor in the electronic device described in the above embodiments. The readable storage medium includes a computer readable storage medium, such as a computer readable only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc.

[0090] The embodiment of the present application further provides a chip, which comprises a processor and a communication interface, the communication interface is coupled with the processor, the processor is used for running programs or instructions, realizes various processes of the control method embodiments, and can achieve the same technical effects. To avoid repetition, details are not described here.

[0091] It should be understood that the chip mentioned in the embodiment of the present application can also be referred to as a system level chip, a system chip, a chip system or a system on chip, etc.

[0092] The embodiment of the present application provides a computer program product, which is stored in a storage medium, and is executed by at least one processor to realize various processes of the control method embodiments and achieve the same technical effects. To avoid repetition, details are not described here.

[0093] It should be noted that in this paper, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "includes a" does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the method and device in the embodiment of the present application is not limited to the order of the functions shown or discussed, but can also include the functions performed in a substantially simultaneous manner or in the opposite order according to the functions involved, for example, the described method can be performed in an order different from the described order, and various steps can also be added, omitted or combined. In addition, the features described with reference to some examples can be combined in other examples.

[0094] Those skilled in the art can clearly understand the above-mentioned embodiment method can be realized by means of software and the necessary general hardware platform, of course, also can be through hardware, but many cases the former is the better embodiment. Based on such understanding, the technical solutions of the present application essentially or say the part of the contribution to the prior art can be embodied in the form of software products, the computer software product is stored in a storage medium (such as ROM / RAM, magnetic disc, optical disc), including a number of instructions to make a terminal (may be a mobile phone, computer, server, air conditioner, or network equipment, etc.) executes the method described in various embodiments of the present application.

[0095] The embodiments of the present application are described above in combination with the drawings, but the present application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative, but not limited, those skilled in the art can make many forms without departing from the purpose of the present application and the scope protected by the claims under the inspiration of the present application, all belong to the protection of the present application.

Claims

1. A display module, characterized in that, Includes display screen and control unit; The display screen includes a pixel electrode layer, a common electrode layer, and a conductive layer. The common electrode layer, the conductive layer, and the pixel electrode layer are stacked in the thickness direction of the display screen. The pixel electrode layer and the common electrode layer form a first capacitor, and the common electrode layer and the conductive layer form a second capacitor. The control device is electrically connected to at least one of the common electrode layer and the conductive layer to cause the common electrode layer and the conductive layer to vibrate; The display module refreshes the displayed content once every unit of time, which includes a display period, a touch detection period, and a vibration period, wherein: When the display module is in the display period, the first capacitor is in an active state; When the display module is in the touch detection period, the common electrode layer forms a plurality of detection units, and each detection unit is subjected to a touch detection signal; When the display module is in the vibration period, the second capacitor is in the working state, and the control device applies a drive signal to at least one of the common electrode layer and the conductive layer to cause the common electrode layer and the conductive layer to vibrate.

2. The display module according to claim 1, characterized in that, The display screen further includes a liquid crystal layer, which is disposed between the pixel electrode layer and the common electrode layer; The display module further includes a backlight assembly located on the side of the pixel electrode layer away from the common electrode layer. The backlight assembly includes a first metal frame and a reflective film, a light guide plate, a diffusion film, and a brightness enhancement film stacked sequentially on the first metal frame. The first metal frame serves as the conductive layer.

3. The display module according to claim 1, characterized in that, The display screen further includes an organic light-emitting layer, which is disposed between the pixel electrode layer and the common electrode layer; The display screen also includes a conductive metal layer, which serves as the conductive layer.

4. An electronic device, characterized in that, It includes a housing and a display module as described in any one of claims 1 to 3, wherein the display module is disposed in the housing.

5. An electronic device, characterized in that, The device includes a housing and a display module, the display module including a display screen and a control device, the housing including a second metal frame, the display screen being disposed on the second metal frame, and the second metal frame serving as a conductive layer; The display screen includes a pixel electrode layer and a common electrode layer, which are stacked in the thickness direction of the display screen. The pixel electrode layer and the common electrode layer form a first capacitor, and the common electrode layer and the second metal frame form a second capacitor. The control device is electrically connected to at least one of the common electrode layer and the second metal frame to cause the common electrode layer and the second metal frame to vibrate; The display module refreshes the displayed content once every unit of time, which includes a display period, a touch detection period, and a vibration period, wherein: When the display module is in the display period, the first capacitor is in an active state; When the display module is in the touch detection period, the common electrode layer forms a plurality of detection units, and each detection unit is subjected to a touch detection signal; When the display module is in the vibration period, the second capacitor is in the working state, and the control device applies a drive signal to at least one of the common electrode layer and the conductive layer to cause the common electrode layer and the conductive layer to vibrate.

6. A control method applied to the electronic device according to claim 4 or 5, characterized in that, include: Obtain vibration information; In response to the vibration information, a driving signal is applied to at least one of the common electrode layer and the conductive layer to cause the common electrode layer and the conductive layer to vibrate.

7. The control method according to claim 6, characterized in that, The display module refreshes the displayed content once every unit of time, which includes the display period, the touch detection period, and the vibration period. In response to the vibration information, applying a driving signal to at least one of the common electrode layer and the conductive layer to cause the common electrode layer and the conductive layer to vibrate specifically involves: When the display screen is in the vibration period, in response to the vibration information, a drive signal is applied to at least one of the common electrode layer and the conductive layer to cause the common electrode layer and the conductive layer to vibrate.

8. The control method according to claim 7, characterized in that, The duration of the touch detection period is equal to the duration of the vibration period.

9. A control device, employing the control method according to any one of claims 6 to 8, characterized in that, include: The acquisition module is used to acquire vibration information; A control module is configured to apply a driving signal to at least one of the common electrode layer and the conductive layer in response to the vibration information, so as to cause the common electrode layer and the conductive layer to vibrate.

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