CN110995894A - Screen sounding modular structure with exciter attached to screen and mobile communication terminal - Google Patents
Screen sounding modular structure with exciter attached to screen and mobile communication terminal Download PDFInfo
- Publication number
- CN110995894A CN110995894A CN201911139435.3A CN201911139435A CN110995894A CN 110995894 A CN110995894 A CN 110995894A CN 201911139435 A CN201911139435 A CN 201911139435A CN 110995894 A CN110995894 A CN 110995894A
- Authority
- CN
- China
- Prior art keywords
- screen
- exciter
- equipment
- modular structure
- circuit board
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- Legal status (The legal status 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 status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention provides a screen sounding modular structure with an exciter attached to a screen, which comprises an equipment screen, an equipment main board electrically connected with the equipment screen, a flexible circuit board electrically connected with the equipment screen and an exciter electrically connected with the flexible circuit board, wherein the flexible circuit board is provided with a connector electrically connected with the equipment main board and an exciter driving circuit electrically connected with the connector, and the exciter is electrically connected with the equipment main board through the exciter driving circuit. By applying the technical scheme of the invention, the problems of insufficient equipment screen protection and low assembly efficiency caused by complex structure of the screen sounding equipment in the prior art are solved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of communication electronics, in particular to a screen sounding modular structure with an exciter attached to a screen and a mobile communication terminal.
[ background of the invention ]
The screen sound generating device in the prior art generates sound by driving the device screen to vibrate through the exciter, as shown in fig. 1, the current mobile devices such as mobile phones and the like adopt the OLED screen which has simple, light and thin structure, so the exciter 1 is directly installed on the screen. In a more common way, a thin metal sheet 3 is attached to the back of the screen 2, the screen 2 is fixedly mounted on the terminal housing 4, and then the exciter 1 is mounted on the metal sheet 3. However, since the screen 2 itself is fragile, when the actuator 1 directly drives the screen 2, the screen 2 itself may be damaged by local pressure and local heat generated by the actuator 1. Moreover, after the exciter 1 in the prior art is attached to the screen 2, a connection line needs to be independently set to connect with the equipment main board, and the structure is complex, resulting in low efficiency of the whole assembly process. Therefore, the screen sound production equipment in the prior art has the problems of insufficient screen protection of the equipment and low assembly efficiency caused by complex structure.
[ summary of the invention ]
The invention aims to provide a screen sounding modular structure with an exciter attached to a screen and a mobile communication terminal, and aims to solve the problems that screen sounding equipment in the prior art is insufficient in equipment screen protection and low in assembly efficiency due to complex structure.
The technical scheme of the invention is as follows:
the utility model provides a screen sound production modular structure of exciter and screen laminating, its includes the equipment screen and with the equipment mainboard of equipment screen electricity connection, this screen sound production modular structure still includes the flexible circuit board of being connected with the equipment screen electricity and the exciter of being connected with the flexible circuit board electricity, the flexible circuit board have with the connector of equipment mainboard electricity and with the exciter drive circuit of connector electricity connection, the exciter is connected in order to drive through exciter drive circuit and equipment mainboard electricity the equipment screen vibration sound production.
Furthermore, the screen sounding modular structure further comprises a protective layer, the equipment screen is provided with a screen display surface used for displaying the primitive information and a screen back surface opposite to the screen display surface, and the protective layer is attached to the screen back surface.
Furthermore, the flexible circuit board is provided with an open end and a connecting end electrically connected with the equipment screen, the connector is arranged at the open end, and the connecting end is bent and attached to the protective layer after being electrically connected with the equipment screen.
Furthermore, the flexible circuit board is provided with a connecting seat, and the exciter is fixedly connected to the connecting seat.
Furthermore, the flexible circuit board is also provided with a touch drive circuit for touching and controlling the equipment screen and a display drive circuit for driving the equipment screen to display images, and the touch drive circuit, the display drive circuit and the exciter drive circuit are all electrically connected with the equipment mainboard through connectors.
Further, the exciter comprises a fixed connection shell and a connection terminal extending out of the fixed connection shell, the fixed connection shell is fixedly attached to the surface of the flexible circuit board, and the connection terminal is fixedly welded on the connection seat.
Further, the protective layer comprises foam and copper foil which are formed in a composite mode.
According to another aspect of the present invention, a mobile communication terminal is provided. The mobile communication terminal comprises a terminal shell, a screen sounding modular structure and an equipment mainboard, wherein the screen sounding modular structure is mounted on the terminal shell, the terminal shell is provided with a screen mounting port, the screen sounding modular structure is the screen sounding modular structure of the exciter and the screen, the equipment screen is fixedly mounted on the screen mounting port, the exciter further comprises a driving part, the driving part is fixedly connected to the surface of the terminal shell opposite to the equipment screen, and the connector is electrically connected with the equipment mainboard.
The invention has the beneficial effects that:
in the screen sounding modular structure, after the flexible circuit board is electrically connected with the equipment screen, the flexible circuit board is attached to the equipment screen, so that the flexible circuit board and the equipment screen form a whole, the exciter is fixed on the flexible circuit board, and further, the exciter and the equipment screen form an integral assembly part, so that the assembly structure between the exciter and the equipment screen is simplified, and the assembly efficiency of the equipment screen is improved.
[ description of the drawings ]
Fig. 1 is a view illustrating an assembly structure of an exciter in a mobile communication terminal according to the prior art;
FIG. 2 is an assembled block diagram of a screen sounding modular structure with actuators attached to the screen of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an exploded view of FIG. 2;
FIG. 5 is a front view of FIG. 2;
FIG. 6 is a view of a first portion of the cross-sectional view taken in the direction B-B of FIG. 5;
FIG. 7 is a view of a second portion of the cross-sectional view taken in the direction B-B in FIG. 5;
FIG. 8 is an enlarged view at C of FIG. 6;
fig. 9 is a sectional view of a mobile communication terminal of the present invention.
[ detailed description ] embodiments
The invention is further described with reference to the following figures and embodiments.
Description of the drawings: fig. 6 and 7 are complete sectional views in the direction of B-B in fig. 5, taken along the line D-D.
As shown in fig. 2-8, the present invention provides a modular structure for screen sound generation with actuators attached to the screen. In the embodiment of the invention, the modular structure for screen sounding with the exciter attached to the screen comprises a device screen 10 and a device main board 200 electrically connected with the device screen 10, wherein the modular structure for screen sounding further comprises a flexible circuit board 30 electrically connected with the device screen 10 and an exciter 40 electrically connected with the flexible circuit board 30, the flexible circuit board 30 is provided with a connector 34 electrically connected with the device main board 200 and an exciter driving circuit 33 electrically connected with the connector 34, and the exciter 40 is electrically connected with the device main board 200 through the exciter driving circuit 33 to drive the device screen 10 to generate sound in a vibrating manner.
In the screen sounding modular structure, after the flexible circuit board 30 is electrically connected with the device screen 10, the flexible circuit board 30 is attached to the device screen 10, so that the flexible circuit board 30 and the device screen 10 form a whole, and the exciter 40 is fixed on the flexible circuit board 30, and further, the exciter 40 and the device screen 10 form a whole assembly part, so that the assembly structure between the exciter 40 and the device screen 10 is simplified, and the assembly efficiency of the device screen 10 is improved.
As shown in fig. 2, 4, 6 and 7, the modular screen sound generator structure for attaching an exciter to a screen further includes a protective layer 20, wherein the device screen 10 has a screen display surface 11 for displaying primitive information and a screen back surface 12 opposite the screen display surface 11, and the protective layer 20 is attached to the screen back surface 12 of the device screen 10. Further, the flexible circuit board 30 of the screen sound production modular structure has an open end 302 and a connection end 301 electrically connected to the device screen 10, wherein the connector 34 is disposed at the open end 302, and the connection end 301 is electrically connected to the device screen 10 and then bent and attached to the protection layer 20.
The screen sounding modular structure with the exciter attached to the screen is applied to a mobile communication terminal, in the screen sounding modular structure, the protective layer 20 is firstly attached and fixed on the back surface 12 of the screen 10 of the equipment, after the connecting end 301 of the flexible circuit board 30 is connected to the end part of the screen 10 of the equipment, the connecting end 301 of the flexible circuit board 30 is folded, then the flexible circuit board 30 is attached and covered on the protective layer 20, and the screen 10 of the equipment is protected by the protective layer 20, so that the screen 10 of the equipment has better shock resistance and bending resistance, and the screen 10 of the equipment is better protected from working.
Specifically, the flexible circuit board 40 is provided with a connecting seat 35, and the exciter 40 is fixedly connected to the connecting seat 35, and in this embodiment, the exciter 40 is fixedly connected to the connecting seat 35 by soldering.
In the present embodiment, the exciter 40 is fixed on the flexible circuit board 30 and is electrically connected to the connection base 35 by fusion welding, so that the exciter 40 and the device screen 10 form an integral assembly part, the assembly structure between the exciter 40 and the device screen 10 is simplified, the exciter 40 can be assembled at the same time by electrically connecting the connector 34 on the open end 302 of the flexible circuit board 30 to the device main board 200 when the device screen 10 is assembled, and the assembly efficiency of the device screen 40 is improved.
In this embodiment, the shape of the flexible circuit board 30 can be flexibly adjusted according to the final performance requirement. In addition, the mounting position of the actuator 40 on the flexible circuit board 30 can be flexibly adjusted according to the final performance requirement.
As shown in fig. 2 and 4, the flexible circuit board 30 used in the present invention is integrally disposed with a touch driving circuit 31 for controlling the device screen 10 by touching and a display driving circuit 32 for driving the device screen 10 to display images, the exciter driving circuit 33 is electrically connected to the connection socket 35, and the touch driving circuit 31, the display driving circuit 32 and the exciter driving circuit 33 are electrically connected to the device motherboard 200 through the connector 34. Thus, the screen sounding modular structure integrates the exciter driving circuit 33 on the flexible circuit board 30, thereby simplifying the circuit layout of the mobile communication terminal, and reduces the disorder of pulling wires by compounding the exciter driving circuit 33 on the flexible circuit board 30.
As shown in fig. 3, the exciter 40 used in the present invention includes a fixed connection housing 41 and a connection terminal 43 extending out of the fixed connection housing 41, the fixed connection housing 41 is fixedly attached to the surface of the flexible circuit board 30, the vibration of the exciter 40 can be transmitted to the device screen 10 to realize the vibration sound of the device screen 10, the connection terminal 43 is fixedly welded to the connection base 35, and the exciter 40 is electrically connected to the exciter driving circuit 33 in the flexible circuit board 30 through the connection terminal 43.
In this embodiment, it is preferable that the protective layer 20 includes a composite molding of foam and copper foil. Of course, the protective layer 20 may be formed from a variety of materials suitable for protecting the device screen 10.
According to another aspect of the present invention, a mobile communication terminal is provided. In the present invention, as shown in fig. 9, the mobile communication terminal comprises a terminal housing 100, a screen sound production modular structure and a device main board 200, wherein the terminal housing 100 is provided with a screen mounting opening, specifically, the screen sound production modular structure used by the mobile communication terminal is the screen sound production modular structure of the aforementioned exciter attached to the screen, wherein the device screen 10 is fixedly mounted at the screen mounting opening, wherein the exciter 40 further comprises a driving part 42 (the fixed connection housing 41 is connected with the driving part 42 through an elastic member, such as an elastic spring, and the fixed connection housing 41 is vibrated with the driving part 42 through an electromagnetic driving force, wherein an electromagnetic coil is formed in the driving part 42, that is, the electromagnetic coil transmits a control current signal through the exciter driving circuit 33), the driving part 42 is fixedly connected to the board surface of the terminal housing 100 opposite to the back surface of the device screen 10, the connector 34 is electrically connected to the device main board 200.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (8)
1. A screen sounding modular structure of exciter and screen laminating, which comprises a device screen and a device mainboard electrically connected with the device screen, and is characterized in that: this screen sound production modular structure still include with the flexible circuit board that the equipment screen electricity is connected and with the exciter that the flexible circuit board electricity is connected, the flexible circuit board have with the connector that the equipment mainboard electricity is connected and with the exciter drive circuit that the connector electricity is connected, the exciter passes through the exciter drive circuit with the equipment mainboard electricity is connected in order to drive the equipment screen vibration sound production.
2. The modular structure of an actuator-to-screen sound generation according to claim 1, wherein: the screen sounding modular structure further comprises a protective layer, the equipment screen is provided with a screen display surface used for displaying primitive information and a screen back surface opposite to the screen display surface, and the protective layer is attached to the screen back surface.
3. The modular structure of an actuator-to-screen sound generation according to claim 2, wherein: the flexible circuit board is provided with an open end and a connecting end electrically connected with the equipment screen, the connector is arranged at the open end, and the connecting end is electrically connected with the equipment screen and then bent and attached to the protective layer.
4. The modular structure of an actuator-to-screen sound generation according to claim 1, wherein: the flexible circuit board is provided with a connecting seat, and the exciter is fixedly connected to the connecting seat.
5. The modular structure of an actuator-to-screen sound generation according to claim 1, wherein: the flexible circuit board is also provided with a touch control driving circuit for controlling the equipment screen in a touch mode and a display driving circuit for driving the equipment screen to display images, and the touch control driving circuit, the display driving circuit and the exciter driving circuit are electrically connected with the equipment main board through the connector.
6. The modular structure for screen sound generation with driver to screen fit of claim 1, wherein: the exciter comprises a fixed connection shell and a connection terminal extending out of the fixed connection shell, the fixed connection shell is fixedly attached to the surface of the flexible circuit board, and the connection terminal is fixedly welded on the connection seat.
7. The modular structure for screen sound generation with driver to screen fit of claim 1, wherein: the protective layer is formed by compounding foam and copper foil.
8. The utility model provides a mobile communication terminal, its include terminal housing with all install in terminal housing's screen sound production modular structure and equipment mainboard, terminal housing is equipped with screen installation mouth, its characterized in that: the modular structure for screen sound emission is the modular structure for screen sound emission, in which the exciter is attached to the screen according to any one of claims 1 to 7, wherein the equipment screen is fixedly installed at the screen installation port, the exciter further comprises a driving part, the driving part is fixedly connected to the surface of the terminal shell opposite to the equipment screen, and the connector is electrically connected to the equipment main board.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911139435.3A CN110995894A (en) | 2019-11-20 | 2019-11-20 | Screen sounding modular structure with exciter attached to screen and mobile communication terminal |
| PCT/CN2019/120865 WO2021097874A1 (en) | 2019-11-20 | 2019-11-26 | Screen sound generating modular structure that attaches exciter to screen, and mobile communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911139435.3A CN110995894A (en) | 2019-11-20 | 2019-11-20 | Screen sounding modular structure with exciter attached to screen and mobile communication terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110995894A true CN110995894A (en) | 2020-04-10 |
Family
ID=70085280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911139435.3A Pending CN110995894A (en) | 2019-11-20 | 2019-11-20 | Screen sounding modular structure with exciter attached to screen and mobile communication terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110995894A (en) |
| WO (1) | WO2021097874A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110830880B (en) * | 2019-10-31 | 2021-07-09 | 瑞声科技(新加坡)有限公司 | Screen sound production exciter and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070202917A1 (en) * | 2006-02-27 | 2007-08-30 | Andrew Phelps | Display and speaker module |
| CN108566464A (en) * | 2018-04-28 | 2018-09-21 | 维沃移动通信有限公司 | A kind of mobile terminal |
| CN109495832A (en) * | 2018-11-27 | 2019-03-19 | 歌尔股份有限公司 | Surface sounding device and electronic equipment |
| CN110113685A (en) * | 2019-05-24 | 2019-08-09 | 云谷（固安）科技有限公司 | Screen sounding device |
| CN110148357A (en) * | 2019-05-22 | 2019-08-20 | 云谷（固安）科技有限公司 | A kind of display sounding panel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8416362B2 (en) * | 2008-07-18 | 2013-04-09 | Sharp Kabushiki Kaisha | Electric circuit structure including a flexible substrate with a connecting terminal |
| CN208128300U (en) * | 2017-12-29 | 2018-11-20 | 广东欧珀移动通信有限公司 | Electronic building brick and electronic equipment |
| CN109600463A (en) * | 2018-11-23 | 2019-04-09 | 维沃移动通信有限公司 | A kind of mobile terminal |
-
2019
- 2019-11-20 CN CN201911139435.3A patent/CN110995894A/en active Pending
- 2019-11-26 WO PCT/CN2019/120865 patent/WO2021097874A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070202917A1 (en) * | 2006-02-27 | 2007-08-30 | Andrew Phelps | Display and speaker module |
| CN108566464A (en) * | 2018-04-28 | 2018-09-21 | 维沃移动通信有限公司 | A kind of mobile terminal |
| CN109495832A (en) * | 2018-11-27 | 2019-03-19 | 歌尔股份有限公司 | Surface sounding device and electronic equipment |
| CN110148357A (en) * | 2019-05-22 | 2019-08-20 | 云谷（固安）科技有限公司 | A kind of display sounding panel |
| CN110113685A (en) * | 2019-05-24 | 2019-08-09 | 云谷（固安）科技有限公司 | Screen sounding device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021097874A1 (en) | 2021-05-27 |
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200410 |