CN110582177B - Circuit board fixing assembly and electronic equipment - Google Patents

Circuit board fixing assembly and electronic equipment Download PDF

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Publication number
CN110582177B
CN110582177B CN201810579749.4A CN201810579749A CN110582177B CN 110582177 B CN110582177 B CN 110582177B CN 201810579749 A CN201810579749 A CN 201810579749A CN 110582177 B CN110582177 B CN 110582177B
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CN
China
Prior art keywords
circuit board
shell
fixing
sliding groove
supporting
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Active
Application number
CN201810579749.4A
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Chinese (zh)
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CN110582177A (en
Inventor
王胜凯
李想
马炜
万永亮
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Chengdu TD Tech Ltd
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Chengdu TD Tech Ltd
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Priority to CN201810579749.4A priority Critical patent/CN110582177B/en
Publication of CN110582177A publication Critical patent/CN110582177A/en
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Publication of CN110582177B publication Critical patent/CN110582177B/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/14Mounting supporting structure in casing or on frame or rack
    • H05K7/1422Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/14Mounting supporting structure in casing or on frame or rack
    • H05K7/1422Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427Housings

Abstract

The invention provides a circuit board fixing assembly and electronic equipment, which comprise a shell and a fixing support, wherein a vertical supporting part is arranged on the bottom surface of the shell, the fixing support is arranged above the supporting part, a clamping space for accommodating a circuit board is formed between the supporting part and the fixing support, a sliding groove is formed in the side wall of the shell, and two ends of the fixing support are arranged in the sliding groove. The circuit board is fixed in the shell by the supporting part and the fixing support, and the two ends of the fixing support are fixedly arranged in the sliding grooves by arranging the sliding grooves on the side wall of the shell, so that the space of the electronic equipment in the width direction is saved.

Description

Circuit board fixing assembly and electronic equipment
Technical Field
The invention relates to the field of electronic equipment, in particular to a circuit board fixing assembly and electronic equipment.
Background
With the progress of science and technology, various electronic devices (such as mobile phones, tablet computers, wearable devices and the like) gradually enter various fields of daily life of people, and the life of people is influenced. The circuit board is arranged in a shell of the electronic equipment and is fixedly installed with the shell, and the circuit board is an important part of the electronic equipment and is a key for ensuring the normal operation of the whole electronic equipment.
For electronic devices in which the circuit board and the display screen are disposed in the same housing, the circuit board also generally functions to support the screen. For such a device, the fixing component of the circuit board in the prior art generally includes a vertical support portion disposed in the housing of the electronic device, the circuit board is disposed on the vertical support portion, and the circuit board is fixedly connected to the housing of the electronic device by a fastening screw.
However, with the prior art solution, since the fixing position of the fastening screw is close to the edge of the housing, a certain operating space needs to be reserved for mounting the fastening screw, and the operating space needs to be at least larger than the nut radius of the fastening screw, and therefore, the prior art solution causes an increase in the width of the electronic device.
Disclosure of Invention
In order to overcome the above-mentioned defects in the prior art, an object of the present invention is to provide a circuit board fixing assembly and an electronic device.
The invention provides a circuit board fixing assembly which comprises a shell and a fixing support, wherein a vertical supporting part is arranged on the bottom surface of the shell, the fixing support is arranged above the supporting part, a clamping space for accommodating a circuit board is formed between the supporting part and a fixing frame, a sliding groove is formed in the side wall of the shell, and two ends of the fixing support are arranged in the sliding groove.
The circuit board fixing assembly as described above, optionally, the sliding groove includes a horizontal guiding portion and a vertical limiting portion, an upper end of the vertical limiting portion is connected to a first end of the horizontal guiding portion, and an opening is formed between a second end of the horizontal guiding portion and the supporting portion.
In the above-mentioned circuit board fixing assembly, optionally, the sliding groove is integrally formed with a side wall of the housing.
As above, optionally, the lower end of the vertical limiting portion is connected to the supporting portion, and the supporting portion and the sliding groove are integrally formed with the housing.
Optionally, the fixing bracket includes a supporting plate and a horizontal leg, the horizontal leg is connected to the supporting plate through a vertical plate, and the horizontal leg is disposed in the sliding groove.
As above, optionally, the fixing bracket includes four horizontal support legs, two ends of the supporting plate are respectively connected to two horizontal support legs, and the two horizontal support legs at each end are respectively located at two sides of the supporting plate.
The circuit board fixing assembly as described above is optionally further provided with a limiting member for limiting the movement of the fixing bracket.
In the above circuit board fixing assembly, optionally, the limiting member is a bolt, a bolt hole is formed in the fixing bracket, and the bolt passes through the bolt hole and then abuts against the surface of the circuit board.
The circuit board fixing assembly as described above, optionally, the fixing bracket includes two bolt holes.
The invention also provides electronic equipment which comprises a shell, wherein the circuit board fixing component is arranged in the shell.
The invention provides a circuit board fixing assembly and electronic equipment, which comprise a shell and a fixing support, wherein a vertical supporting part is arranged on the bottom surface of the shell, the fixing support is arranged above the supporting part, a clamping space for accommodating a circuit board is formed between the supporting part and the fixing support, a sliding groove is formed in the side wall of the shell, and two ends of the fixing support are arranged in the sliding groove. The circuit board is fixed in the shell by the supporting part and the fixing support, and the two ends of the fixing support are fixedly arranged in the sliding grooves by arranging the sliding grooves on the side wall of the shell, so that the space of the electronic equipment in the width direction is saved. According to the scheme of the invention, because the operation space for installing the fastening screw is not required to be reserved, when the display screen with the same size is used, the electronic equipment is narrower in the width direction, the screen occupation ratio of the electronic equipment is improved, the screen utilization rate is improved, and meanwhile, the holding feeling of a user is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a simplified schematic diagram of a circuit board mounting assembly according to one embodiment of the present invention;
FIGS. 2A-2B are diagrams of a circuit board mounting process according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a housing structure of an electronic device according to an embodiment of the present invention.
Reference numerals:
100-a housing; 110-a support;
120-a chute; 121-a horizontal guide;
122-vertical limiting part; 200-a circuit board;
300-fixing the bracket; 310-a support plate;
320-horizontal support leg; 330-vertical plate;
400-a stop.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It should be noted that the terms "first" and "second" in the description of the present invention are used merely for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
With the progress of science and technology, various electronic devices (such as mobile phones, tablet computers, wearable devices and the like) gradually enter various fields of daily life of people, and the life of people is influenced. The circuit board is arranged in a shell of the electronic equipment and is fixedly installed with the shell, and the circuit board is an important part of the electronic equipment and is a key for ensuring the normal operation of the whole electronic equipment.
For electronic devices in which the circuit board and the display screen are disposed in the same housing, the circuit board also generally functions to support the screen. For such a device, the fixing component of the circuit board in the prior art generally includes a vertical support portion disposed in the housing of the electronic device, the circuit board is disposed on the vertical support portion, and the circuit board is fixedly connected to the housing of the electronic device by a fastening screw.
However, with the prior art solution, since the fixing position of the fastening screw is close to the edge of the housing, a certain operating space needs to be reserved for mounting the fastening screw, and the operating space needs to be at least larger than the nut radius of the fastening screw, and therefore, the prior art solution causes an increase in the width of the electronic device.
In order to overcome the above-mentioned defects in the prior art, an object of the present invention is to provide a circuit board fixing assembly and an electronic device.
The present invention will be described in detail below with reference to the accompanying drawings so that those skilled in the art can more fully understand the present invention.
Example one
FIG. 1 is a simplified schematic diagram of a circuit board mounting assembly according to one embodiment of the present invention; FIGS. 2A-2B are diagrams of a circuit board mounting process according to an embodiment of the present invention; FIG. 3 is a simplified diagram of a housing of an electronic device according to an embodiment of the present invention; please refer to fig. 1-3. The embodiment provides a circuit board fixing assembly, which includes a casing 100 and a fixing bracket 300, wherein a vertical supporting portion 110 is arranged on the bottom surface of the casing 100, the fixing bracket 300 is arranged above the supporting portion 110, a clamping space for accommodating a circuit board 200 is formed between the supporting portion 110 and the fixing bracket 300, a sliding groove 120 is arranged on the side wall of the casing 100, and two ends of the fixing bracket 300 are arranged in the sliding groove 120.
Specifically, the electronic device in this embodiment may be a device in which a display screen and a circuit board are located in the same housing, such as a mobile phone, a tablet computer, or a wearable watch. The electronic device casing 100 is configured as shown in fig. 3, a containing cavity is formed in the casing 100, a supporting portion 110 perpendicular to the bottom surface of the casing is disposed in the containing cavity, the supporting portion 110 is substantially in a square frame shape and defines a mounting area of a display screen, when the electronic device is assembled, the display screen and other devices are mounted on the bottom surface of the casing 100, and then the circuit board 200 is mounted on the supporting portion 110, so that the display screen can normally operate after the circuit board 200 is conducted, and meanwhile, the circuit board 200 can provide support for the display screen.
In the present embodiment, two sides of the supporting portion 110 in the width direction are closely attached to the side walls of the housing 100, that is, the sides of the supporting portion 110 in the width direction are abutted against the side walls of the housing 100, so that the distance between the edge of the circuit board 200 and the side walls of the housing 100 is reduced. After the circuit board 200 is mounted on the supporting portion 110, a fastening bracket 300 is disposed above the circuit board 200 so as to be fixedly coupled with the housing 100. Specifically, in order to reduce the distance between the circuit board 200 and the side wall of the housing 100, a sliding groove 120 may be disposed on the side wall of the housing 100, and both ends of the fixing bracket 300 are disposed in the sliding groove 120, so that the circuit board 200 is fixed.
In this embodiment, the sliding groove 120 includes a horizontal guide portion 121 and a vertical position-limiting portion 122, an upper end of the vertical position-limiting portion 122 is connected to a first end of the horizontal guide portion 121, and an opening is formed between a second end of the horizontal guide portion 121 and the support portion 110.
For better installation and disassembly of the circuit board 200, a groove corresponding to the sliding groove 120 can be formed in the circuit board 200, and the length of the groove is greater than or equal to that of the vertical limiting portion 122 of the sliding groove 120, so that the sliding groove 120 is avoided.
As shown in fig. 2A-2B, before the circuit board 200 is mounted, the circuit board 200 may be placed on the supporting portion 110, and the fixing bracket 300 is placed above the circuit board 200, so that the fixing bracket 300 is located outside the opening of the sliding slot 120; during installation, the fixing bracket 300 is horizontally pushed to enter the sliding groove 120 along the opening of the sliding groove 120, and when the fixing bracket 300 abuts against the vertical limiting part 122, the fixing bracket 300 cannot move continuously, and at the moment, the horizontal guiding part 121 and the supporting part 110 clamp the fixing bracket 300 and the circuit board 200, so that the fixing bracket 300 and the circuit board 200 cannot shake in the vertical direction.
The following further describes the present embodiment in comparison with the prior art so as to make the beneficial effects of the present embodiment clearer.
In the prior art, the circuit board and the housing of the electronic device are generally fixed by forming a bolt hole in the circuit board, the bolt hole is formed in a position of the circuit board close to a side wall of the housing of the electronic device, a certain operation space is reserved for an operator to operate to tighten the fastening screw, and the minimum distance of the operation space in the width direction should be theoretically the nut radius of the fastening screw, but the distance is far greater than the radius of the fastening screw in actual operation, so that the width of the whole housing of the electronic device is increased, and particularly for a mobile phone, the larger width is not beneficial to a user to holding the mobile phone with one hand.
Meanwhile, due to the fact that the bolt holes are formed in the circuit board, the fastening bolts vertically penetrate through the circuit board, and therefore the circuit board located between the fastening bolts and the side wall of the electronic device shell cannot be used, the performance of the electronic device is reflected, namely a black edge (namely an invalid screen display area) is reserved at the position, close to the side wall of the shell, of the display screen of the electronic device, the appearance and the user experience of the electronic device are seriously affected, and the screen occupation ratio of the electronic device is affected.
In the embodiment, the fixing bracket 300 and the sliding groove 120 are arranged to fixedly connect the circuit board 200 with the housing 100 of the electronic device, so that a fixing connection mode of a fastening screw in the prior art is eliminated, and an operation space between the circuit board 200 and the side wall of the housing 100 is effectively reduced, thereby reducing the width of the electronic device, and enabling a user to have a better holding feeling when using a screen with the same size. Meanwhile, since the bolt connection holes do not need to be formed in the circuit board 200, the usable area of the circuit board 200 is increased, and finally, the screen occupation ratio of the electronic device is increased, so that the screen utilization rate is increased, and the black edges between the screen and the side wall of the housing 100 are reduced.
The circuit board fixing assembly provided by the embodiment includes a supporting portion 110 disposed in an electronic device casing 100, the supporting portion 110 is vertically disposed on a bottom surface of the casing 100, a circuit board 200 to be fixed is disposed above the supporting portion 110, a fixing bracket 300 is disposed above the circuit board 200, and two ends of the fixing bracket 300 are fixedly connected with a side wall of the casing 100; the side wall of the housing 100 is provided with a sliding groove 120, and both ends of the fixing bracket 300 are disposed in the sliding groove 120. The present embodiment uses the supporting portion 110 and the fixing bracket 300 to fix the circuit board 200 in the housing 100, and saves the space of the electronic device in the width direction by providing the sliding slot 120 on the side wall of the housing 100 and fixing the two ends of the fixing bracket 300 in the sliding slot 120. The scheme of this embodiment is owing to need not to reserve the operating space of installation fastening screw, can make electronic equipment narrower in width direction when using the display screen of equidimension, has improved electronic equipment's screen and has occupied the ratio for the screen utilization ratio improves, also makes the user hold the sense better simultaneously.
Further, in the embodiment, the sliding groove 120 is integrally formed with the side wall of the housing 100, and the housing 100 can be directly manufactured by using a mold, so that the time for subsequent processing is saved, the cost is lower, and the industrial production is facilitated.
Furthermore, the lower end of the vertical limiting part 122 of the sliding groove 120 can be connected with the supporting part 110, so that the supporting part 110 and the sliding groove 120 can be integrally formed with the casing 100, and the casing 100 can be more conveniently processed and manufactured.
The fixing bracket 300 of the present embodiment includes a supporting plate 310 and a horizontal leg 320, the horizontal leg 320 is connected to the supporting plate 310 by a vertical upright 330, and the horizontal leg 320 is disposed in the sliding groove 120 when the fixing bracket is installed.
Specifically, the supporting plate 310 of the present embodiment extends along the width direction of the electronic device, so that the fixing bracket 300 of the present embodiment can support the circuit board 200 and the display screen, and prevent the display screen from being deformed after being used for a long time. The fixing bracket 300 of the embodiment may be manufactured by an integral molding process, the fixing bracket 300 may be made of a sheet metal part, and after the supporting plate 310 and the horizontal supporting leg 320 are processed, the vertical plate 330 is formed at the joint of the two by bending.
Further, the fixing bracket 300 of the present embodiment includes four horizontal support legs 320, two horizontal support legs 320 are respectively connected to two ends of the supporting plate 310, and the two horizontal support legs 320 at each end are respectively located at two sides of the supporting plate 310, so that the connection points are more uniformly distributed, and the connection is more stable.
Optionally, in order to prevent the movement of the fixing bracket 300, a limiting member 400 is further provided for limiting the movement of the fixing bracket 300. The limiting member 400 may be a bolt, and a bolt hole may be formed in the fixing bracket 300, and the bolt is inserted through the bolt hole and then abuts against the surface of the circuit board 200, so that the fixing bracket 300 does not move.
Further, the number of the bolt holes on the fixing bracket 300 in the present embodiment can be selected according to actual needs, for example, in an alternative embodiment, two bolt holes are provided on the fixing bracket 300, and the two bolt holes are respectively located at two ends of the fixing bracket 300 in the width direction.
Example two
The embodiment provides an electronic device, which comprises a shell, wherein the circuit board fixing component is arranged in the shell.
The electronic device of the embodiment can be a device, such as a mobile phone, a tablet computer or a wearable watch, in which the display screen and the circuit board are located in the same shell.
The electronic equipment provided by the embodiment comprises a supporting part arranged in a shell of the electronic equipment, wherein the supporting part is vertically arranged on the bottom surface of the shell, a circuit board to be fixed is arranged above the supporting part, a fixing support is arranged above the circuit board, and two ends of the fixing support are fixedly connected with the side wall of the shell; the side wall of the shell is provided with a sliding groove, and two ends of the fixed support are arranged in the sliding groove. This embodiment utilizes supporting part and fixed bolster to fix the circuit board in the casing to through set up the spout on the lateral wall of casing, with the fixed mode that sets up in this spout in the both ends of fixed bolster, saved the space of electronic equipment on the width direction. The scheme of this embodiment is owing to need not to reserve the operating space of installation fastening screw, can make electronic equipment narrower in width direction when using the display screen of equidimension, has improved electronic equipment's screen and has occupied the ratio for the screen utilization ratio improves, also makes the user hold the sense better simultaneously.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (5)

1. A circuit board fixing assembly is characterized by comprising a shell and a fixing support, wherein a vertical supporting part is arranged on the bottom surface of the shell, the fixing support is arranged above the supporting part, a clamping space for accommodating a circuit board is formed between the supporting part and the fixing support, a sliding groove is formed in the side wall of the shell, the sliding groove and the side wall of the shell are integrally formed, and two ends of the fixing support are arranged in the sliding groove;
the sliding groove comprises a horizontal guiding part and a vertical limiting part, the upper end of the vertical limiting part is connected with the first end of the horizontal guiding part, and an opening is formed between the second end of the horizontal guiding part and the supporting part;
the lower end of the vertical limiting part is connected with the supporting part, and the supporting part and the sliding groove are integrally formed with the shell;
the fixed support comprises a supporting plate and four horizontal supporting legs, the horizontal supporting legs are connected with the supporting plate through vertical plates and are arranged in the sliding grooves, two ends of the supporting plate are respectively connected with the two horizontal supporting legs, and the two horizontal supporting legs at each end are respectively located on two sides of the supporting plate.
2. The circuit board fixing assembly according to claim 1, further comprising a limiting member for limiting the movement of the fixing bracket.
3. The circuit board fixing assembly according to claim 2, wherein the position limiting member is a bolt, and the fixing bracket is provided with a bolt hole through which the bolt passes and abuts against the surface of the circuit board.
4. A circuit board securing assembly according to claim 3, wherein the securing bracket includes two of said bolt holes therein.
5. An electronic device comprising a housing, wherein the circuit board securing assembly as claimed in any one of claims 1-4 is disposed in the housing.
CN201810579749.4A 2018-06-07 2018-06-07 Circuit board fixing assembly and electronic equipment Active CN110582177B (en)

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Application Number Priority Date Filing Date Title
CN201810579749.4A CN110582177B (en) 2018-06-07 2018-06-07 Circuit board fixing assembly and electronic equipment

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Application Number Priority Date Filing Date Title
CN201810579749.4A CN110582177B (en) 2018-06-07 2018-06-07 Circuit board fixing assembly and electronic equipment

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CN110582177A CN110582177A (en) 2019-12-17
CN110582177B true CN110582177B (en) 2021-07-09

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113692169B (en) * 2021-07-23 2023-05-02 北京搜狗科技发展有限公司 Circuit board locker and electronic equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100946173B1 (en) * 2009-10-09 2010-03-08 엔 하이테크 주식회사 Reflector
CN102469738A (en) * 2010-11-05 2012-05-23 英业达股份有限公司 Electronic device and a circuit board positioning mechanism
CN203615004U (en) * 2013-11-04 2014-05-28 京东方科技集团股份有限公司 Display device and supporting piece used for same
CN205720981U (en) * 2016-06-28 2016-11-23 京东方科技集团股份有限公司 The mounting structure of a kind of fixing component and circuit board, display device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100946173B1 (en) * 2009-10-09 2010-03-08 엔 하이테크 주식회사 Reflector
CN102469738A (en) * 2010-11-05 2012-05-23 英业达股份有限公司 Electronic device and a circuit board positioning mechanism
CN203615004U (en) * 2013-11-04 2014-05-28 京东方科技集团股份有限公司 Display device and supporting piece used for same
CN205720981U (en) * 2016-06-28 2016-11-23 京东方科技集团股份有限公司 The mounting structure of a kind of fixing component and circuit board, display device

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