CN107623198A - Connection component and mobile terminal - Google Patents
Connection component and mobile terminal Download PDFInfo
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- CN107623198A CN107623198A CN201710777917.6A CN201710777917A CN107623198A CN 107623198 A CN107623198 A CN 107623198A CN 201710777917 A CN201710777917 A CN 201710777917A CN 107623198 A CN107623198 A CN 107623198A
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- circuit board
- hole
- elastic
- metal device
- fastener
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 88
- 239000002184 metal Substances 0.000 claims abstract description 88
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000007769 metal material Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The embodiments of the invention provide a kind of connection component, including circuit board and elastic component, the circuit board has first through hole, one end of the elastic component is fixed on the circuit board, and the elastic component has a cavity volume, the cavity volume of the elastic component connects with the first through hole of the circuit board, and the other end of the elastic component extends away from the direction of the circuit board.Connection component and mobile terminal provided by the invention are by the way that elastic component is folded between metal device and circuit board, metal device and circuit board are separated by a distance, i.e. metal device, elastic component and circuit board form a higher height, so that when metal device is anchored on the grounding screw of housing by fastener, the presence of elastic component provides a preferably connection height, most of position of fastener is placed in the cavity volume of elastic component, and then enables fastener to realize preferable connection with grounding screw.The embodiment of the present invention additionally provides a kind of mobile terminal.
Description
Technical Field
The invention relates to the field of electronic equipment, in particular to a connecting assembly and a mobile terminal.
Background
The mobile terminal equipment such as the mobile phone is provided with various metal components to realize various functions of the mobile phone, wherein the metal components such as the speaker and other parts which are closer to the antenna main body influence the radiation of signals of the antenna main body, so that the use reliability of the mobile terminal such as the mobile phone is influenced.
Disclosure of Invention
The invention provides a connecting component and a mobile terminal.
The invention provides a connecting assembly which comprises a circuit board and an elastic piece, wherein the circuit board is provided with a first through hole, one end of the elastic piece is fixed on the circuit board, the elastic piece is provided with a containing cavity, the containing cavity of the elastic piece is communicated with the first through hole of the circuit board, the other end of the elastic piece extends towards the direction far away from the circuit board, and the other end of the elastic piece is used for bearing a metal device, so that a space is formed between the metal device and the circuit board.
On the other hand, the embodiment of the invention also provides a mobile terminal which comprises the connecting component.
According to the connecting assembly and the mobile terminal provided by the invention, the elastic piece is clamped between the metal device and the circuit board, so that the metal device and the circuit board can be separated by a certain distance, namely the metal device, the elastic piece and the circuit board form a higher height, and therefore, when the metal device is fastened on the grounding stud of the shell through the fastening piece, the elastic piece provides a better connecting height, most parts of the fastening piece can be accommodated in the accommodating cavity of the elastic piece, and further the fastening piece and the grounding stud can be better connected.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic diagram of a mobile terminal according to an embodiment of the present invention;
FIG. 2 is an exploded schematic view of the connector assembly shown in FIG. 1;
FIG. 3 is a schematic view of an elastic member shown in FIG. 2;
FIG. 4 is a schematic view of another state of the elastic member shown in FIG. 2;
FIG. 5 is a schematic view of another state of the alternative resilient member shown in FIG. 4;
FIG. 6 is a schematic view of another spring shown in FIG. 2;
FIG. 7 is a schematic view of another spring shown in FIG. 6;
fig. 8 is a schematic view of another connection assembly shown in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The mobile terminal 100 according to the embodiment of the present invention may be any device having communication and storage functions, for example: the system comprises intelligent equipment with a network function, such as a tablet Computer, a mobile phone, an electronic reader, a remote controller, a Personal Computer (PC), a notebook Computer, vehicle-mounted equipment, a network television, wearable equipment and the like.
Referring to fig. 1 to 6, an embodiment of the present invention provides a mobile terminal 100, including a connection assembly 10, where the connection assembly 10 includes a circuit board 3 and an elastic element 2, the circuit board 3 has a first through hole 3a, one end of the elastic element 2 is fixed on the circuit board 3, the elastic element 2 has a cavity 2a, the cavity 2a of the elastic element 2 is communicated with the first through hole 3a of the circuit board 3, the other end of the elastic element 2 extends in a direction away from the circuit board 3, and the other end of the elastic element 2 is used for bearing a metal component 1, so that a gap is formed between the metal component 1 and the circuit board 3. The elastic piece 2 is clamped between the metal device 1 and the circuit board 3, so that the metal device 1 and the circuit board 3 can be separated by a distance, namely, the metal device 1, the elastic piece 2 and the circuit board 3 form a higher height, when the metal device 1 is fastened on the grounding stud 4a of the shell 4 through the fastening piece 5, the elastic piece 2 provides a better connection height, most parts of the fastening piece 5 can be accommodated in the accommodating cavity 2a of the elastic piece 2, and the fastening piece 5 and the grounding stud 4a can be connected better.
As can be understood, referring to fig. 2 and 6, the connecting assembly 10 further includes a metal component 1, a fastener 5 and a housing 4, the metal component 1 has a second through hole 1a, the metal component 1 is fixed to the other end of the elastic member 2, the second through hole 1a is communicated with the cavity 2a of the elastic member 2, the housing 4 has a ground stud 4a, the fastener 5 is provided with an external thread, and the fastener 5 sequentially passes through the second through hole 1a, the cavity 2a and the first through hole 3a until being screwed on the ground stud 4a, so as to fasten the metal component 1 on the housing 4.
In this embodiment, referring to fig. 2 and fig. 6, the metal device 1, the elastic element 2, the circuit board 3, and the housing 4 are sequentially overlapped, and the fastening element 5 sequentially penetrates through the metal device 1, the elastic element 2, the circuit board 3, and the housing 4 and is fastened and connected with the ground stud 4a of the housing 4, so that the metal device 1 and the circuit board 3 are kept fastened and connected with the ground stud 4a of the housing 4, and the three are guaranteed to have good grounding, so as to reduce the influence of the metal device 1 on the antenna device 20 inside the mobile terminal 100.
In this embodiment, referring to fig. 2 and fig. 6, the metal component 1 is a metal insert on a speaker, that is, a hardware insert on a speaker box. The metal device 1 is provided with a second through hole 1a for the fastening member 5 to pass through. The metal component 1 is disposed close to the antenna device 20 of the mobile terminal 100, wherein the metal component 1 is made of a metal material, and therefore, the metal component may interfere with a radiation signal of the antenna device 20 of the mobile terminal 100, and affect the reliability of the mobile terminal 100. Of course, in other embodiments, the metal device 1 may also be other components made of metal materials, such as metal elastic sheets.
In this embodiment, referring to fig. 2 and fig. 6, the housing 4 has a ground stud 4 a. Specifically, the housing 4 is a front case of the mobile terminal 100, and the housing 4 is mainly used for carrying a main board of the mobile terminal 100. A ground stud 4a is formed on the housing 4 at a position corresponding to the metal component 1, and the ground stud 4a is substantially a partial metal insert of the housing 4. It can be understood that the hardware insert is made of magnesium alloy.
In this embodiment, referring to fig. 2 and fig. 6, the circuit board 3 is provided with a first through hole 3 a. Specifically, the circuit board 3 is a flexible circuit board 3. The circuit board 3 has a first through hole 3a for the fastener 5 to pass through.
In this embodiment, referring to fig. 2 and fig. 6, one end of the elastic element 2 is fixed on the circuit board 3, the elastic element 2 has a cavity 2a, the cavity 2a of the elastic element 2 is communicated with the first through hole 3a of the circuit board 3, the other end of the elastic element 2 extends in a direction away from the circuit board 3, and the other end of the elastic element 2 is used for bearing the metal device 1, so that a gap is formed between the metal device 1 and the circuit board 3. Specifically, one end of the elastic element 2 is fixed on the circuit board 3, the accommodating cavity 2a is aligned with the first through hole 3a of the circuit board 3, the metal device 1 is arranged at the other end of the elastic element 2, and the second through hole 1a of the metal device 1 is aligned with the accommodating cavity 2a of the elastic element 2, namely, the second through hole 1a, the accommodating cavity 2a and the first through hole 3a are sequentially aligned to allow the fastening element 5 to sequentially pass through.
Wherein, the fastener 5 is provided with an external thread which sequentially passes through the metal device 1, the elastic element 2 and the circuit board 3 until the metal device is fastened and connected with the grounding stud 4a of the shell 4. The distance between the metal device 1 and the circuit board 3 is determined by the height of the elastic element 2, and a better connection height is provided due to the existence of the elastic element 2, so that most parts of the fastening element 5 can be accommodated in the accommodating cavity 2a of the elastic element 2, and the fastening element 5 can be connected with the grounding stud 4a better, and the fastening element 5 cannot be tightly connected with the shell 4 due to the fact that the grounding stud 4a is shorter and has tooth sliding, so that the metal device 1, the circuit board 3 and the grounding stud 4a on the shell 4 are guaranteed to be connected firmly, and good grounding is guaranteed for the metal device 1, the circuit board 3 and the grounding stud 4a, and the influence of the metal device 1 on the antenna device 20 inside the mobile terminal 100 is reduced.
It is understood that the elastic member 2 is made of elastic rubber or the elastic member 2 is in the form of a spring 22. Specifically, the elastic member 2 has elasticity, so that the existence of the elastic member 2 not only provides a better connection height, so that most parts of the fastening member 5 can be accommodated in the accommodating cavity 2a of the elastic member 2, and further the fastening member 5 and the ground stud 4a can be better connected, but also when the mobile terminal 100 is vibrated, the elastic member 2 can reduce vibration by displacing in the height direction, and the connection reliability of the connection assembly 10 and the mobile terminal 100 is further improved.
In one embodiment, referring to fig. 2 to 5, the elastic member 2 includes at least two elastic blocks 21, the at least two elastic blocks 21 are disposed around an edge of the first through hole 3a, and an inner surface formed by the at least two elastic blocks 21 is a cavity 2a of the elastic member 2.
Referring to fig. 2 and 3, the outer circumferential surface of the elastic block 21 is a cylindrical surface, the elastic element 2 is composed of four elastic blocks 21, and the first ends 21a of the four elastic blocks 21 jointly form one end of the elastic element 2, which is soldered on the circuit board 3 to be firmly connected with the circuit board 3. The four cylindrical elastic blocks 21 are disposed around the periphery of the first through hole 3a, and the four elastic blocks 21 are disposed at regular intervals, so that when the metal device 1 is loaded on the second ends 21b of the four elastic blocks 21 (i.e., the other ends of the elastic elements 2), the stress on each elastic block 21 is balanced. It can be understood that the cavity 2a of the elastic element 2 is an area formed by enclosing the four elastic blocks 21, so as to communicate with the first through hole 3a on the circuit board 3, so that the fastening element 5 can sequentially pass through the second through hole 1a, the cavity 2a and the first through hole 3a until being in threaded connection with the grounding stud 4a of the housing 4, thereby achieving grounding of the metal device 1, and reducing signal interference on the antenna device 20. The elastic piece 2 with the structure can flexibly arrange the elastic block 21 according to the size of the metal device 1 because the elastic block 21 can be arranged separately, so that the elastic block 21 can better bear the metal device 1. Of course, in other embodiments, please refer to fig. 4 and 5, the outer circumferential surface of the elastic block 23 may also be a cambered surface. Specifically, the elastic member 2 includes two elastic blocks 23, the outer peripheral surface of the elastic block 23 is a semicircular arc surface, and the two elastic blocks 23 are spliced together to form the cylindrical elastic member 2. Referring to fig. 4, the two elastic blocks 23 may have a gap in the circumferential direction, or referring to fig. 5, the two elastic blocks 23 may be closely contacted to form a cylindrical body on the circumferential surface. Correspondingly, the cavity 2a of the elastic element 2 is an area enclosed by two semi-circular arc-shaped elastic blocks 23.
In another embodiment, referring to fig. 6 and 7, the elastic member 2 includes at least two springs 22, the at least two springs 22 are disposed around an edge of the first through hole 3a, and an inner surface formed by the at least two springs 22 is a cavity 2a of the elastic member 2. Specifically, the spring 22 is a compression spring, and the compression amount is large, so that when the metal device 1 is loaded on the elastic member 2 formed by the spring 22, the distance between the metal device 1 and the circuit board 3 is stable, and only when the mobile terminal 100 is under the action of a large impact force, the spring 22 can displace in the height direction to buffer vibration, so as to further improve the connection reliability of the connection assembly 10 and the mobile terminal 100.
The elastic member 2 includes four springs 22, and the four springs 22 are uniformly spaced, so that when the metal device 1 is loaded on the free ends 22b of the four springs 22 (i.e. the other ends of the elastic member 2), the stress on each elastic block 21 is balanced. The fixed ends 22a of the four springs 22 jointly form one end of the elastic element 2, the fixed ends are welded on the circuit board 3, and are firmly connected with the circuit board 3, the accommodating cavity 2a of the elastic element 2 is an area formed by the four springs 22 in a surrounding mode and communicated with the first through hole 3a on the circuit board 3, so that the fastening element 5 can sequentially penetrate through the second through hole 1a, the accommodating cavity 2a and the first through hole 3a until being connected with the grounding stud 4a of the shell 4 in a threaded mode, grounding of the metal device 1 is achieved, and signal interference on the antenna device 20 is reduced. The elastic member 2 with such a structure can flexibly arrange the springs 22 according to the size of the metal device 1 because the springs 22 can be separately arranged, so that the springs 22 can better bear the metal device 1. Of course, in other embodiments, the number of springs 22 may also be two or six, etc.
For further improvement, the first through hole 3a is internally threaded and the second through hole 1a is internally threaded. The internal threads are arranged on the inner walls of the two through holes (the first through hole 3a and the second through hole 1a), so that the area of the external thread and the threaded connection with the fastening piece 5 is increased, and the phenomenon of thread slippage when the fastening piece 5 is in threaded connection is further reduced. Of course, in other embodiments, one of the first through hole 3a or the second through hole 1a is internally threaded.
When the mobile terminal 100 starts to be assembled, one end of the elastic element 2 is firstly welded on the circuit board 3, and the cavity 2a of the elastic element 2 is aligned with the first through hole 3a of the circuit board 3; then, the metal device 1 is tightly attached to the other end of the elastic part 2, and a second through hole 1a of the metal device 1 is aligned with the accommodating cavity 2a of the elastic part 2; then, the fastening piece 5 sequentially penetrates through the second through hole 1a, the accommodating cavity 2a and the first through hole 3a until the fastening piece 5 extends into the grounding stud 4a of the shell 4; and finally, rotating the fastener 5 to enable the fastener 5 to be in threaded connection with the ground stud 4a of the shell 4, so that the metal device 1 and the circuit board 3 are in tight connection with the ground stud 4a on the shell 4, and good grounding of the metal device 1, the circuit board 3 and the ground stud 4a is ensured, so that the influence of the metal device 1 on the antenna device 20 inside the mobile terminal 100 is reduced.
According to the connection assembly 10 and the mobile terminal 100 provided by the invention, the elastic element 2 is clamped between the metal device 1 and the circuit board 3, so that the metal device 1 and the circuit board 3 can be separated by a distance, namely, the metal device 1, the elastic element 2 and the circuit board 3 form a higher height, and therefore, when the metal device 1 is fastened on the grounding stud 4a of the shell 4 through the fastener 5, the elastic element 2 provides a better connection height, so that most part of the fastener 5 can be accommodated in the accommodating cavity 2a of the elastic element 2, and further, the fastener 5 and the grounding stud 4a can be better connected.
Referring to fig. 1 and 8, another connecting assembly 30 according to the second embodiment of the present invention is substantially the same as the connecting assembly 10 according to the first embodiment of the present invention, and mainly differs in the structure of the metal component 6 and the circuit board 7.
In this embodiment, the metal device 6 is a speaker, i.e., a speaker box, and a spring sheet on the speaker, and the metal device 6 is disposed near the antenna apparatus of the mobile terminal 100, wherein the metal device 6 is made of a metal material, so that interference may be caused on a radiation signal of the antenna apparatus of the mobile terminal 100, and reliability of the mobile terminal 100 is affected. Correspondingly, the metal device 6 is provided with a second through hole 6 a.
In the present embodiment, the circuit board 7 is a printed circuit board 7. Correspondingly, the circuit board 7 is provided with a first through hole 7 a. The elastic piece is fixed on the circuit. The cavity 2a of the elastic element is aligned with the first through hole 7a of the circuit board 7.
When the mobile terminal 100 starts to be assembled, one end of the elastic element 2 is firstly welded on the circuit board 7, and the cavity 2a of the elastic element 2 is aligned with the first through hole 7a of the circuit board 7; then, the metal device 6 is tightly attached to the other end of the elastic part 2, and the second through hole 6a of the metal device 6 is aligned with the cavity 2a of the elastic part 2; then, the fastening piece 5 sequentially penetrates through the second through hole 6a, the accommodating cavity 2a and the first through hole 7a until the fastening piece 5 extends into the grounding stud 4a of the shell 4; and finally, rotating the fastener 5 to enable the fastener 5 to be in threaded connection with the ground stud 4a of the shell 4, so that the metal device 1 and the circuit board 7 are in tight connection with the ground stud 4a on the shell 4, and good grounding of the metal device 1, the circuit board 7 and the ground stud 4a is guaranteed, and the influence of the metal device 6 on an internal antenna device of the mobile terminal 100 is reduced.
According to the connection assembly 30 and the mobile terminal 100 provided by the invention, the elastic element 2 is clamped between the metal device 6 and the circuit board 7, so that the metal device 6 and the circuit board 7 can be separated by a distance, namely, the metal device 6, the elastic element 2 and the circuit board 7 form a higher height, and therefore, when the metal device 6 is fastened on the grounding stud 4a of the shell 4 through the fastener 5, the elastic element 2 provides a better connection height, so that most part of the fastener 5 can be accommodated in the accommodating cavity 2a of the elastic element 2, and further, the fastener 5 and the grounding stud 4a can be better connected.
It is understood that the height referred to therein is defined as a dimension along the extension direction of the central axis of the first through hole 3a, 7 a.
It is understood that the connection component 1 provided in the first embodiment and the connection component 30 provided in the second embodiment may be disposed in the mobile terminal 100 together, or may be disposed separately.
The foregoing is a preferred embodiment of the present invention, and it should be noted that it would be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are also considered to be within the scope of the invention.
Claims (11)
1. A connecting assembly is characterized by comprising a circuit board and an elastic piece, wherein the circuit board is provided with a first through hole, one end of the elastic piece is fixed on the circuit board, the elastic piece is provided with a containing cavity, the containing cavity of the elastic piece is communicated with the first through hole of the circuit board, the other end of the elastic piece extends towards the direction far away from the circuit board, and the other end of the elastic piece is used for bearing a metal device, so that a space is formed between the metal device and the circuit board.
2. The connecting assembly according to claim 1, wherein the resilient member includes at least two resilient blocks, the at least two resilient block posts are disposed around an edge of the first through hole, and an inner surface of the at least two resilient blocks is a cavity of the resilient member.
3. The connection assembly according to claim 2, wherein the outer circumferential surface of the elastic block is a cylindrical surface; or,
the peripheral surface of the elastic block is a cambered surface.
4. The connecting assembly according to claim 1, wherein the resilient member includes at least two springs disposed around an edge of the first through hole, and an inner surface of the at least two springs is a cavity of the resilient member.
5. A connection assembly according to claim 2 or 3, wherein one end of the resilient member is soldered to the circuit board.
6. The connecting assembly according to claim 1, further comprising a metal component, a fastener and a housing, wherein the metal component has a second through hole, the metal component is fixed on the other end of the elastic member, the second through hole is communicated with the cavity of the elastic member, the housing has a ground stud, the fastener is provided with external threads, and the fastener sequentially passes through the second through hole, the cavity and the first through hole until being screwed on the ground stud to fasten the metal component on the housing.
7. The connection assembly according to claim 6, wherein the first through bore is internally threaded, the internal threads of the first through bore being adapted to threadably engage the external threads of the fastener.
8. The connection assembly of claim 6, wherein the second through-hole is internally threaded, the internal threads on the second through-hole for threaded connection with external threads on the fastener.
9. The connection assembly of claim 7, wherein the circuit board is a printed circuit board; or,
the circuit board is a flexible circuit board.
10. The connection assembly of claim 7, wherein the metal device is a metal insert on a speaker; or,
the metal device is an elastic sheet on the loudspeaker.
11. A mobile terminal, characterized in that it comprises a connection assembly according to any of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710777917.6A CN107623198B (en) | 2017-08-31 | 2017-08-31 | Connecting assembly and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710777917.6A CN107623198B (en) | 2017-08-31 | 2017-08-31 | Connecting assembly and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107623198A true CN107623198A (en) | 2018-01-23 |
| CN107623198B CN107623198B (en) | 2020-01-17 |
Family
ID=61089347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710777917.6A Active CN107623198B (en) | 2017-08-31 | 2017-08-31 | Connecting assembly and mobile terminal |
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| Country | Link |
|---|---|
| CN (1) | CN107623198B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109688747A (en) * | 2018-12-25 | 2019-04-26 | 苏州佳世达光电有限公司 | Electronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007172922A (en) * | 2005-12-20 | 2007-07-05 | Kyoshin Kogyo Co Ltd | Ground terminal |
| CN201557349U (en) * | 2009-11-27 | 2010-08-18 | 英业达股份有限公司 | Electronic device |
| CN102496773A (en) * | 2011-10-31 | 2012-06-13 | 青岛海信移动通信技术股份有限公司 | Method capable of improving efficiency of mobile communication antenna and mobile communication terminal |
| CN203085735U (en) * | 2012-08-27 | 2013-07-24 | 深圳天珑无线科技有限公司 | Antenna contact structure and mobile terminal |
-
2017
- 2017-08-31 CN CN201710777917.6A patent/CN107623198B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007172922A (en) * | 2005-12-20 | 2007-07-05 | Kyoshin Kogyo Co Ltd | Ground terminal |
| CN201557349U (en) * | 2009-11-27 | 2010-08-18 | 英业达股份有限公司 | Electronic device |
| CN102496773A (en) * | 2011-10-31 | 2012-06-13 | 青岛海信移动通信技术股份有限公司 | Method capable of improving efficiency of mobile communication antenna and mobile communication terminal |
| CN203085735U (en) * | 2012-08-27 | 2013-07-24 | 深圳天珑无线科技有限公司 | Antenna contact structure and mobile terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109688747A (en) * | 2018-12-25 | 2019-04-26 | 苏州佳世达光电有限公司 | Electronic device |
| CN109688747B (en) * | 2018-12-25 | 2020-10-16 | 苏州佳世达光电有限公司 | Electronic device |
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| CN107623198B (en) | 2020-01-17 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: 523860 No. 18 Wusha Haibin Road, Chang'an Town, Dongguan City, Guangdong Province Applicant before: Guangdong Opel Mobile Communications Co., Ltd. |
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