WO2022156591A1 - Structure d'écran et dispositif électronique - Google Patents

Structure d'écran et dispositif électronique Download PDF

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Publication number
WO2022156591A1
WO2022156591A1 PCT/CN2022/071809 CN2022071809W WO2022156591A1 WO 2022156591 A1 WO2022156591 A1 WO 2022156591A1 CN 2022071809 W CN2022071809 W CN 2022071809W WO 2022156591 A1 WO2022156591 A1 WO 2022156591A1
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WO
WIPO (PCT)
Prior art keywords
substrate
vibration
screen
component
assembly
Prior art date
Application number
PCT/CN2022/071809
Other languages
English (en)
Chinese (zh)
Inventor
阮清波
王志远
陈毅权
Original Assignee
维沃移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2022156591A1 publication Critical patent/WO2022156591A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G06F1/1605—Multimedia displays, e.g. with integrated or attached speakers, cameras, microphones

Definitions

  • the present application relates to the technical field of electronic products, and in particular, to a screen structure and electronic equipment.
  • the technical principle of the screen sound is to use the vibration element to push the screen to vibrate to produce sound.
  • the resonant screen sounding scheme is to attach a device with vibration characteristics to the bottom of the screen or on the middle frame of the whole machine. The device vibrates during operation, and finally drives the screen to vibrate and sound; another example: direct push screen sound
  • the device is mainly composed of two parts, one part is directly attached to the screen, and the other part is fixed on the middle frame. When the device is working, the two parts will generate mutual attraction or repulsion, thereby pushing the screen to vibrate and sound, which Compared with the resonant screen sound generation scheme, the conversion efficiency is improved.
  • the current screen sound generation solutions can only be stacked in a certain space below the screen, so the efficiency of pushing the screen to vibrate and sound is low, and due to the limited space, the device can only be laid out.
  • the stress of the device on the screen will be relatively large. When the whole machine is stressed, the screen will form obvious stress in the part coupled with the device, which has a relatively large reliability risk.
  • the embodiments of the present application provide a screen structure and an electronic device, so as to solve the problems of low sound emission efficiency and great reliability risks caused by the limited stacking space of the current screen sound generation solution.
  • an embodiment of the present application provides a screen structure, including:
  • the substrate is provided with at least one through hole, and the substrate is connected with the screen assembly;
  • one of the vibration components is located in one of the through holes, the vibration components are respectively connected with the substrate and the screen component, and the vibration component is movable along the normal direction of the substrate; Wherein, when the vibration component moves relative to the substrate, the vibration component drives the screen component to vibrate and emit sound.
  • an embodiment of the present application further provides an electronic device, including the above-mentioned screen structure.
  • the substrate is provided with a through hole penetrating the first surface and the second surface, and the vibration component is arranged in the through hole, so that the vibration structure (ie, the substrate and the vibration group) is arranged in the screen structure.
  • the thickness of the screen will not exceed the thickness of the substrate, thus saving space, and because the vibration structure is plate-shaped, it is also convenient for the spatial layout of the screen structure, and it is beneficial to improve the efficiency of the screen when it vibrates and sound, and it is also conducive to reducing the stress on the screen. Thereby improving reliability.
  • FIG. 1 shows one of the schematic diagrams of the screen structure of the embodiment of the present application
  • FIG. 2 shows a schematic diagram of a substrate and a vibration assembly according to an embodiment of the present application
  • FIG. 3 shows a partial schematic diagram of the vibration assembly according to the embodiment of the present application
  • FIG. 4 shows the second schematic diagram of the screen structure of the embodiment of the present application.
  • an embodiment of the present application provides a screen structure, including: a screen assembly 1 , a substrate 2 and at least one vibration assembly 3 .
  • the base plate 2 is provided with at least one through hole 21, and the base plate 2 is connected to the screen assembly 1;
  • the screen assembly 1 is connected, and the vibration assembly 3 is movable along the normal direction of the substrate 2 .
  • the vibration component 3 when the vibration component 3 moves relative to the substrate 2 , the vibration component 3 drives the screen component 1 to vibrate and emit sound.
  • the vibration component 3 is movable along the normal direction of the substrate 2 , which may include the vibration component 3 being movable in the normal direction of the substrate 2 , or may include the vibration component 3 It can move within a range that is different from the normal direction by a preset angle, and so on.
  • one vibration component 3 may be provided on one substrate 2, and the screen structure may include multiple substrates 2, that is, the screen structure may be provided with multiple vibration components 3; wherein, the multiple substrates 2 may be arranged in an array, that is, A plurality of vibration components 3 may be arranged in an array.
  • a plurality of vibration components 3 may also be disposed on one substrate 2 , for example, the plurality of vibration components 3 are arranged in an array.
  • the screen structure may also include one or more substrates 2 .
  • the spacing between the multiple vibration components 3 may be set according to the distance of the acoustic array, so as to meet the sound pressure level and directivity requirements in special applications, which are not specifically limited in the embodiment of the present application.
  • the substrate 2 is provided with a through hole 21 penetrating the first surface and the second surface, and the vibration component 3 is arranged in the through hole 21, so that the vibration structure (ie the substrate 2 and the vibration component) arranged in the screen structure 3)
  • the thickness will not exceed the thickness of the substrate 2, thus saving space, and because the vibration structure is plate-shaped, it is also convenient for the spatial layout of the screen structure, and is conducive to improving the efficiency of the screen vibration and sound, and is also conducive to reducing the size of the screen. stress, thereby improving reliability.
  • the vibration assembly 3 includes: a vibration plate 31 and a plurality of connecting arms 32 .
  • One surface of the vibrating piece 31 is connected to the screen assembly 1; a gap is provided between the side wall of the vibrating piece 31 and the inner wall of the through hole 21, and the side wall of the vibrating piece 31 passes through the
  • the plurality of connecting arms 32 are connected to the inner wall of the through hole 21 .
  • the substrate 2 is used to couple the screen assembly 1 (it can be understood that the substrate 2 is indirectly fixed to the screen assembly 1 , such as by bonding, etc.) and to fix the connecting arm 32 .
  • One end of the connecting arm 32 is connected to the vibration plate 31 and the other end is connected to the substrate 2 , so that a gap is formed between the vibration plate 31 and the substrate 2 to ensure that the vibration plate 31 is driven by the connecting arm 32 to vibrate along the normal direction of the substrate 2 , thereby driving the screen assembly 1 to vibrate and emit sound.
  • the number of the connecting arms 32 can be 3, of course, 2, 4, etc., depending on the size of the vibration piece 31 , the distance between the vibration piece 31 and the substrate 2 , and the material of the vibration piece 31 . and other settings, the embodiments of the present application are not limited to this.
  • the base plate 2, the vibrating piece 31 and the connecting arm 32 may be integrally formed, or may be assembled in combination, and the specific forming and combination methods are not specifically limited in the embodiments of the present application.
  • the thickness of the vibrating piece 31 is smaller than the thickness of the substrate 2 ; the thickness of the connecting arm 32 is smaller than the thickness of the substrate 2 ; wherein the thickness is along the normal direction of the substrate 2 size.
  • the thickness of the vibrating piece 31 and the connecting arm 32 is set to be smaller than the thickness of the substrate 2 , when the vibrating piece 31 and the connecting arm 32 are arranged in the through hole 21 of the substrate 2 , they will not protrude from the surface of the substrate 2 . , so as to avoid an increase in the overall thickness of the vibration structure formed by the substrate 2 and the vibration component 3 , that is, to save space, thereby facilitating the spatial layout of the screen structure.
  • the first surface of the substrate 2 is flush with the first surface of the vibration plate 31 , and the second surface of the substrate 2 protrudes from the second surface of the vibration plate 31 .
  • first surface and the second surface of the substrate 2 are two surfaces disposed opposite to each other along the normal direction of the substrate 2 ; the first surface and the second surface of the vibration plate 31 are along the substrate 2 . Two surfaces whose normals are set in opposite directions.
  • the vibrating piece 31 is arranged to be flush with the substrate 2 on the first surface, so that the vibration structure formed by the substrate 2 and the vibrating component 3 is connected to the screen component 1 on the first surface, thereby ensuring that the vibrating piece 31 can drive
  • the screen assembly 1 vibrates and sounds.
  • the first surface of the substrate 2 protrudes from the first surface of the connecting arm 32
  • the second surface of the substrate 2 protrudes from the second surface of the connecting arm 32 .
  • first surface and the second surface of the substrate 2 are two surfaces disposed opposite to each other along the normal direction of the substrate 2 ; the first surface and the second surface of the connecting arm 32 are along the substrate 2 . Two surfaces whose normals are set in opposite directions.
  • the first surface and the second surface of the connecting arm 32 are set lower than the surface of the base plate 2 to ensure that in the process of driving the vibration piece 31 to vibrate through the connecting arm 32, its stroke will not be higher than the base plate 2. collides with screen assembly 1.
  • the screen structure of the embodiment of the present application may further include a cover plate layer 4 .
  • the cover layer 4 is disposed on the first side of the screen assembly 1, and the substrate 2 is disposed on the second side of the screen assembly 1; wherein, the first side and the second side are disposed opposite to each other.
  • the substrate 2 can be arranged below the screen assembly 1 as a whole, that is, one side of the substrate 2 is connected to the screen assembly 1, and the other side is suspended; or one side of the substrate 2 is connected to the screen assembly 1, and the other side is connected to the screen
  • the structure When the structure is installed inside the electronic device, it can be connected with the middle frame of the electronic device.
  • the screen assembly 1 may include: a touch layer; the substrate 2 is located under the touch layer.
  • the screen assembly 1 may include a plurality of stacked layer structures.
  • the substrate 2 provided with the vibration assembly 3 may be placed between the two layer structures of the screen assembly 1. between.
  • the upper and lower surfaces of the substrate 2 can be fixed to the two-layer structure of the screen assembly 1 respectively, and the vibrating piece 31 is attached to the surface closer to the cover layer 4, which has a better sounding effect.
  • the screen assembly 1 may further include a display layer, a polarizing layer, an adhesive layer, and the like.
  • the substrate 2 is located between two of the touch layer, the polarizing layer, the display layer and the adhesive layer.
  • the screen assembly 1 may also include a foam layer, a light guide layer, a circuit board (such as an antenna circuit board), etc. in addition to the above-mentioned touch layer, display layer, polarizing layer, and adhesive layer.
  • the substrate 2 of the component 3 can be set according to actual requirements, and it only needs to be between two layer structures of the screen component 1 , and the embodiment of the present application is not limited to this.
  • Embodiments of the present application also provide an electronic device, including the above-mentioned screen structure.
  • the electronic device may be any device with a screen structure, such as a mobile phone, a tablet computer, a wearable device, a vehicle-mounted terminal, etc., and the embodiments of the present application are not limited thereto.
  • the electronic device in the embodiment of the present application includes the above-mentioned screen structure, which can save space, and because the vibration structure is in the shape of a plate, it is also convenient for the internal space layout of the electronic device, and is beneficial to improve the efficiency when the screen vibrates and emits sound. Reduces stress on the screen, improving reliability.
  • the electronic device further includes: a controller, which is connected to the vibration component 3; the controller is used to output an excitation signal to the vibration component 3; Vibration occurs under the action of the signal, and drives the screen assembly 1 to vibrate and emit sound.
  • a controller which is connected to the vibration component 3; the controller is used to output an excitation signal to the vibration component 3; Vibration occurs under the action of the signal, and drives the screen assembly 1 to vibrate and emit sound.
  • the controller can output an excitation signal to the connecting arm 32 in the vibration component 3, and the connecting arm 32 is the power part in the whole structure.
  • the connecting arm 32 will vibrate up and down due to the piezoelectric effect, driving the The vibrating piece 31 moves up and down, thereby generating a push-pull force on the screen assembly 1, and the push-pull force acting on the screen assembly 1 will cause the screen assembly 1 to vibrate, thereby producing sound.
  • the controller may control each vibration component 3 individually, or may control multiple vibration components 3 simultaneously.
  • the controller is also used to output different excitation signals to different vibration components 3, or output the same excitation signal to different vibration components 3; wherein, when the excitation signals output by the controller are different, the vibration
  • the vibration parameters corresponding to the components 3 are different, that is, the plurality of vibration components 3 can vibrate simultaneously or individually.
  • the vibration parameters may include the amplitude, phase, frequency, etc. of the vibration.
  • each vibration component 3 can be controlled by a separate control circuit, that is, the separate control circuit can output excitation signals to its corresponding vibration components 3 respectively, so as to realize that multiple vibration components 3 can vibrate independently; or a separate control circuit The same or different excitation signals can be output to the corresponding vibration components 3, so that multiple vibration components 3 can vibrate at the same time.
  • the plurality of vibration components 3 are arranged at intervals, that is, the plurality of through holes 21 on the substrate 2 as shown in FIG. 2 are isolated from each other.
  • each independent area is respectively coupled with the corresponding vibrating piece 31, and when the vibrating piece 31 vibrates, its corresponding Independent areas vibrate without affecting other areas, so as to avoid mutual interference and achieve better acoustic effects.
  • all the vibrating sheets 31 can be controlled to start vibrating in the same phase, so that the volume of the air pushed by the screen assembly 1 can be maximized, and a better low frequency effect can be achieved; when specific sound field requirements are required For example, 3-dimensional (3D) sound effects, the amplitude and phase of different vibrating pieces 31 can be controlled to achieve specific sound field requirements.
  • 3D 3-dimensional
  • the spacing between the vibrating sheets 31 can be adjusted to meet special array requirements.
  • the spacing between the vibrating sheets 31 can be arranged according to the sound pressure level requirements, pointing angle requirements and other characteristics of ultrasonic directional sounding, and at the same time matching
  • the control of the circuit adjusts the phase of the vibrating piece 31 to meet the required sound field requirements, and the embodiment of the present application is not limited to this.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Telephone Set Structure (AREA)

Abstract

Sont divulgués dans la présente invention une structure d'écran et un dispositif électronique. La structure d'écran comprend : un ensemble écran, un substrat et au moins un ensemble de vibration ; le substrat est pourvu d'au moins un trou traversant, et le substrat est relié à l'ensemble tamis ; un ensemble de vibration est situé dans un trou traversant, l'ensemble de vibration est relié au substrat et à l'ensemble écran, et l'ensemble de vibration est mobile le long de la direction normale du substrat ; l'ensemble de vibration se déplaçant par rapport au substrat, l'ensemble de vibration entraînant l'ensemble écran à vibrer de façon à émettre un son.
PCT/CN2022/071809 2021-01-20 2022-01-13 Structure d'écran et dispositif électronique WO2022156591A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110076509.4A CN112732026A (zh) 2021-01-20 2021-01-20 屏幕结构及电子设备
CN202110076509.4 2021-01-20

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Publication Number Publication Date
WO2022156591A1 true WO2022156591A1 (fr) 2022-07-28

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WO (1) WO2022156591A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112732026A (zh) * 2021-01-20 2021-04-30 维沃移动通信有限公司 屏幕结构及电子设备
CN114173261B (zh) * 2021-11-18 2023-08-25 苏州清听声学科技有限公司 一种超声波发声器、显示器及电子设备
CN115220595B (zh) * 2022-05-25 2023-11-17 苏州清听声学科技有限公司 一种触控发声显示单元的制备工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110267182A (zh) * 2019-06-17 2019-09-20 武汉华星光电技术有限公司 一种屏幕发声显示装置
WO2019191953A1 (fr) * 2018-04-04 2019-10-10 华为技术有限公司 Procédé de production de son associé à un écran et équipement terminal
CN110858944A (zh) * 2018-08-22 2020-03-03 乐金显示有限公司 显示装置
CN111147643A (zh) * 2019-12-30 2020-05-12 Oppo广东移动通信有限公司 振动发声组件、电子设备及振动发声组件的装配方法
CN112732026A (zh) * 2021-01-20 2021-04-30 维沃移动通信有限公司 屏幕结构及电子设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207612411U (zh) * 2017-07-12 2018-07-13 东莞泉声电子有限公司 一种轻质高功率骨导喇叭
CN209710308U (zh) * 2019-05-13 2019-11-29 深圳市新听感科技有限公司 一种骨传导喇叭

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019191953A1 (fr) * 2018-04-04 2019-10-10 华为技术有限公司 Procédé de production de son associé à un écran et équipement terminal
CN110858944A (zh) * 2018-08-22 2020-03-03 乐金显示有限公司 显示装置
CN110267182A (zh) * 2019-06-17 2019-09-20 武汉华星光电技术有限公司 一种屏幕发声显示装置
CN111147643A (zh) * 2019-12-30 2020-05-12 Oppo广东移动通信有限公司 振动发声组件、电子设备及振动发声组件的装配方法
CN112732026A (zh) * 2021-01-20 2021-04-30 维沃移动通信有限公司 屏幕结构及电子设备

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