CN208522820U - Middle frame shell listens cylinder mould group and mobile terminal - Google Patents

Middle frame shell listens cylinder mould group and mobile terminal Download PDF

Info

Publication number
CN208522820U
CN208522820U CN201820587627.5U CN201820587627U CN208522820U CN 208522820 U CN208522820 U CN 208522820U CN 201820587627 U CN201820587627 U CN 201820587627U CN 208522820 U CN208522820 U CN 208522820U
Authority
CN
China
Prior art keywords
frame shell
middle frame
baffle
architrave
mounting plate
Prior art date
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.)
Expired - Fee Related
Application number
CN201820587627.5U
Other languages
Chinese (zh)
Inventor
杨定坚
高鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qiku Internet Technology Shenzhen Co Ltd
Original Assignee
Qiku Internet Technology Shenzhen Co Ltd
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 Qiku Internet Technology Shenzhen Co Ltd filed Critical Qiku Internet Technology Shenzhen Co Ltd
Priority to CN201820587627.5U priority Critical patent/CN208522820U/en
Application granted granted Critical
Publication of CN208522820U publication Critical patent/CN208522820U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of middle frame shell and listens cylinder mould group and mobile terminal containing frame shell in this, frame shell includes mounting plate and the architrave set on the mounting plate side in this, the mounting plate is equipped with two side baffles positioned opposite in the position close to the architrave, the architrave is equipped with an accepting hole towards the side of the side baffle, the accepting hole is located between two side baffles, the middle frame shell still further comprises a rear baffle, the rear baffle is fixed on the mounting plate by detachable connection method, and it is opposite with the accepting hole, when the middle frame shell is for when fixing an electronic device, one end of the electronic device is contained in the accepting hole, the other end is resisted against on the rear baffle, and the two sides of the electronic device respectively with a side baffle against.Middle frame shell in the utility model by design accepting hole and is laterally packed into theory, it is ensured that architrave can possess enough width to be bonded battery cover.

Description

Middle frame shell listens cylinder mould group and mobile terminal
Technical field
Cylinder mould group and mobile terminal are listened the utility model relates to a kind of middle frame shell and containing frame shell in this.
Background technique
As soon as screen is mobile phone industry bound pair in superelevation screen accounting mobile phone than broad definition comprehensively, upper explained from literal The front for being mobile phone is entirely screen, and four bezel locations of mobile phone are designed using Rimless, is pursued close to 100% Shield accounting.But be limited to current technology, now in the industry described comprehensive screen mobile phone refer to true screen accounting can achieve 80% with On, possess the mobile phone of ultra-narrow frame design.
Currently, mobile phone will such as realize screen (screen accounting 80%) design comprehensively, LCD (Liquid Crystal Display, liquid Crystal display) (Active Area, the display area) area AA need to accomplish within 10mm to complete machine top edge distance, at this moment want The layout of earpiece and structure design space is asked to need very compact, i.e., earpiece need to be complete within the 10mm of complete machine top edge inside At assembly.
Earpiece is usually mounted on the middle frame shell of mobile phone, please refers to Figure 12, show the prior art when used in Frame shell, this mounting structure require earpiece to stack installation from top to bottom, in order to guarantee that earpiece can complete assembly within 10mm, The width that architrave can only be sacrificed causes architrave to be capable of providing the width being bonded to battery cover and only has 0.2mm width, under this width It is bonded battery cover, it may appear that battery cover warps risk, is also easy to occur to ask into ash, earpiece failure etc. are a series of in follow-up test Topic.
Utility model content
Based on this, the purpose of the utility model is to provide a kind of middle frame shell and containing in this frame shell listen cylinder mould group and Mobile terminal, to ensure that battery cover possesses enough fitting width.
A kind of middle frame shell, the architrave including mounting plate and set on the mounting plate side, the mounting plate is close to institute The position for stating architrave is equipped with two side baffles positioned opposite, and the architrave is equipped with a receiving towards the side of the side baffle Hole, the accepting hole are located between two side baffles, and the middle frame shell still further comprises a rear baffle, keep off after described Plate is fixed on the mounting plate by detachable connection method, and opposite with the accepting hole, when the middle frame shell is used for When fixing an electronic device, one end of the electronic device is contained in the accepting hole, and the other end is resisted against the rear baffle On, and the two sides of the electronic device respectively with a side baffle against.
Frame shell among the above, by opening up an accepting hole in architrave, so that when electronic device is installed to the accepting hole When interior, at least part of electronic device will be contained in the accepting hole, this kind of structure ensure that earpiece can be at the top of complete machine Assembly is completed within the 10mm of edge inside, and will not sacrifice the width of the architrave, it is ensured that the architrave possesses enough width It is bonded battery cover.Simultaneously as the rear plate washer of accepting hole side be detachable structure so that electronic device can from the side side to It is packed into accepting hole, compared to stacking installation from top to bottom, the width of the architrave is further protected.
Further, the rear baffle is fixed on the mounting plate by gum.
Further, the mounting plate is equipped with a deep gouge on the position close to the architrave, and the deep gouge is located at described In the region of side baffle and the rear baffle enclosing, and the deep gouge is connected to the accepting hole, the bottom of the electronic device It is contained in the deep gouge.
Further, the mounting plate is equipped with two positioning columns positioned opposite, and the both ends of the rear baffle are set respectively There is a positioning hole, each positioning column is arranged in the positioning hole.
Further, the structure of two location holes is any one in following situations:
Two location holes are a U-shaped breach;Or
One of them described location hole is round hole, another described location hole is kidney slot.
Further, the accepting hole runs through the architrave, is equipped with a front apron, the electronic device in the accepting hole One end be contained in the accepting hole, and lean with the front apron.
Further, the side baffle and the positioning column extended by the upper surface outwardly convex of the mounting plate and At being sticked on the inner surface of the rear baffle and the side baffle has rubber pad.
Further, the cross section of the rear baffle is L-shaped, and the top of the architrave is equipped with a rear cover erecting bed, institute The width for stating rear cover erecting bed is located at 1.8mm between 2.2mm.
On the other hand also provide one kind listens cylinder mould group to the utility model, the center shell including earpiece and the fixed earpiece Body, the middle frame shell include mounting plate and the architrave set on the mounting plate side, which is characterized in that the mounting plate is leaning on The position of the nearly architrave is equipped with two side baffles positioned opposite, and the architrave is equipped with one towards the side of the side baffle and receives Rong Kong, the accepting hole are located between two side baffles, and the middle frame shell still further comprises a rear baffle, after described Baffle is fixed on the mounting plate by detachable connection method, and opposite with the accepting hole, when the middle frame shell is used When fixing an electronic device, one end of the electronic device is contained in the accepting hole, and the other end is resisted against the rear gear On plate, and the two sides of the electronic device are respectively with a side baffle against receipts of the earpiece in the middle frame shell Hold and is fixed on the middle frame shell under the position-limiting action of hole and baffle.
A kind of mobile terminal, including listen cylinder mould group, described to listen cylinder mould group include earpiece and for fixing in the earpiece Frame shell, the middle frame shell include mounting plate and the architrave set on the mounting plate side, which is characterized in that the mounting plate Two side baffles positioned opposite are equipped in the position close to the architrave, the side of the architrave towards the side baffle is equipped with One accepting hole, the accepting hole are located between two side baffles, and the middle frame shell still further comprises a rear baffle, institute It states rear baffle to be fixed on the mounting plate by detachable connection method, and opposite with the accepting hole, when the center shell When body is used to fix an electronic device, one end of the electronic device is contained in the accepting hole, and the other end is resisted against described On rear baffle, and the two sides of the electronic device are respectively with a side baffle against the earpiece is in the middle frame shell Accepting hole and baffle position-limiting action under be fixed on the middle frame shell.
Detailed description of the invention
Fig. 1 is the stereogram exploded view of the middle frame shell in the utility model first embodiment;
Fig. 2 is the enlarged drawing in Fig. 1 at I;
Fig. 3 is the perspective view of the middle frame shell in the utility model first embodiment;
Fig. 4 is the perspective view of the middle frame shell in the utility model second embodiment;
Fig. 5 is the perspective view of the middle frame shell in the utility model 3rd embodiment;
Fig. 6 is the enlarged drawing in Fig. 5 at II;
Fig. 7 is the stereogram exploded view for listening cylinder mould group in the utility model fourth embodiment;
Fig. 8 is the perspective view for listening cylinder mould group in the utility model fourth embodiment;
Fig. 9 is the stereogram exploded view of the mobile terminal in the 5th embodiment of the utility model;
Figure 10 is the perspective view of the mobile terminal in the 5th embodiment of the utility model;
Figure 11 is the sectional view of the mobile terminal in the 5th embodiment of the utility model;
Figure 12 is the perspective view of the middle frame shell in the prior art.
Main element symbol description:
Middle frame shell 10 Mounting plate 11
Architrave 12 Earpiece limit assembly 13
Deep gouge 111 Accepting hole 121
Rear cover erecting bed 122 Front apron 131
Rear baffle 132 Side baffle 133
Gum 134 Positioning column 112
Location hole 1321 Rubber pad 135
Earpiece 20 Listen cylinder mould group 100
Center 200 Front cover 300
Battery cover 400 Mainboard 500
Liquid crystal display 600 Listening bore 310
Sound inlet 1111
The following detailed description will be further explained with reference to the above drawings the utility model.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.Several embodiments of the utility model are given in attached drawing.But the utility model can come in many different forms in fact It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model It is more thorough and comprehensive to open content.
It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more related listed items.
It please refers to Fig.1 to Fig.3, the middle frame shell 10 showing in the utility model first embodiment, including mounting plate 11, Architrave 12 set on 11 side of mounting plate and the earpiece limit assembly 13 that is installed on the mounting plate 11.
The mounting plate 11 is equipped with a deep gouge 111 on the position close to the architrave 12, and the bottom of the deep gouge 111 is set There is the sound inlet 1111 through the mounting plate 11.The architrave 12 is equipped with an accepting hole towards the side of the deep gouge 111 121, the accepting hole 121 runs through the architrave 12, and the accepting hole 11 is connected to the deep gouge 111.
The top of the architrave 12 is equipped with a rear cover erecting bed 122, and the width of the rear cover erecting bed 122 is 2mm.At it In its embodiment, the width of the rear cover erecting bed 122 can also be 1.8mm to the arbitrary value between 2.2mm, in this way can Ensure that battery cover possesses enough fitting width.
It should be understood that since the accepting hole 121 is since the side of the architrave 12, to the rear cover erecting bed 122 Width does not impact, therefore the width of the rear cover erecting bed 122 can suitably relax, and reality is combined in the present embodiment, by rear cover The width control of erecting bed 122 in 1.8mm between 2.2mm, to meet the fitting requirement of battery cover.
The earpiece limit assembly 13 includes front apron 131, rear baffle 132 and two side baffles 133, two side blocks Plate 133 is positioned opposite, and in the mounting plate 11 at the position of the architrave 12, the accepting hole 121 is located at two Between the side baffle 133.The rear baffle 132 is fixed on the mounting plate 11 by a gum 134, and with the receiving Hole 121 is opposite, and the front apron 131 is fixed in the accepting hole 121.Meanwhile the front apron 131, the rear baffle 132 And two 133 enclosings of side baffle are in 111 surrounding of deep gouge.
Wherein, the cross section of the rear baffle 132 is L-shaped, and the front apron 131 is equally fixed by way of sticker In the accepting hole 121, the side baffle 133 is extended by the upper surface outwardly convex of the mounting plate 11, and described Side baffle 133 and the inner wall of the architrave 12 lean.
In addition, the gum 134 is a double-sided adhesive, in other embodiments, the rear baffle 132 can also be by such as Other detachable connection methods such as be spirally connected, be clamped are fixed on the mounting plate 11.
Further, the mounting plate 11 be equipped with two positioning columns 112 positioned opposite, the two of the rear baffle 132 Side is respectively equipped with a positioning hole 1321, and each positioning column 112 is arranged in the location hole 1321.
It should be understood that the design of the positioning column 112 and the location hole 1321, be in order to preferably position it is described after Baffle 132, it is ensured that the front apron 131, the rear baffle 132 and two 133 enclosings of side baffle lucky are listened at one Cylinder installation space.
Wherein, the shape of the location hole 1321 is corresponding with the shape of the positioning column 112, and the location hole 1321 is One U-shaped breach easily facilitates the installation of the rear baffle 132.
In addition, the positioning column 112 is extended by the upper surface outwardly convex of the mounting plate 11.
It should be pointed out that when the middle frame shell 10 is used to fix an electronic device, the bottom of the electronic device Be contained in the deep gouge 111, one end of the electronic device is contained in the accepting hole 121, and with the front apron 132 Lean, the other end is resisted against on the rear baffle 132, and the two sides of the electronic device respectively with a side baffle 133 against.
To sum up, the middle frame shell 10 in the present embodiment, by opening up an accepting hole 121 in architrave 12, so that working as When electronic device is installed in the accepting hole 121, at least part of electronic device will be contained in the accepting hole 121, this kind Structure ensure that earpiece can complete assembly within the 10mm of complete machine top edge inside, and will not sacrifice the width of the architrave 12 Degree, it is ensured that the architrave 12 possesses enough width to be bonded battery cover.Simultaneously as the rear plate washer 132 of 121 side of accepting hole is Detachable structure, so that electronic device can be from the side side to being packed into accepting hole, it, should compared to stacking installation from top to bottom The width of architrave 12 is further protected.
Fig. 4 is please referred to, the middle frame shell 10 showing in the utility model second embodiment, the center in the present embodiment Middle frame shell 10 in shell 10 and first embodiment the difference is that:
One of them described location hole 1321 is round hole, another described location hole 1321 is kidney slot, the positioning The shape in hole 1321 is corresponding with the shape of the corresponding positioning column 112.
The positioning method that the present embodiment uses round orifices orientation other end waist hole in one end to step down, compared to the positioning of both ends notch Mode, it is more accurate to position, while the rear baffle 132 is also less prone to fall off.
Fig. 5 to Fig. 6 is please referred to, the middle frame shell 10 showing in the utility model 3rd embodiment, in the present embodiment Middle frame shell 10 and first embodiment in middle frame shell 10 the difference is that:
The inner surface of the front apron 131, the rear baffle 132 and the side baffle 133 is (towards the deep gouge 111 Surface) on be sticked and have rubber pad 135.
It should be understood that the rubber pad 135, which can be played, plays the protective effects such as damping, decompression to earpiece, while Under the elastic compaction of surrounding, the axis of earpiece can preferably with the middle overlapping of axles of deep gouge 111, system to neutral good.
On the other hand the utility model also proposes that one kind listens cylinder mould group, please refer to Fig. 7 to Fig. 8, show the utility model Cylinder mould group 100 is listened in fourth embodiment, including middle frame shell 10 and the earpiece 20 being fixed on the middle frame shell 10, institute The structure for stating frame shell 10 is identical as the structure of middle frame shell 10 in above-mentioned first embodiment, the bottom of the earpiece 20 Be contained in the deep gouge 111, one end of the earpiece 20 is contained in the accepting hole 121, and with 132 phase of front apron Against, the other end is resisted against on the rear baffle 132, and the two sides of the earpiece 20 respectively with a side baffle 133 Against.
On the other hand the utility model also proposes a kind of mobile terminal, please refer to Fig. 9 to Figure 11, show the utility model Mobile terminal in 5th embodiment, including listen cylinder mould group 100, ornamental strip 200, front cover 300, battery cover 400, mainboard 500 And liquid crystal display 600 (LCD), cylinder mould group 100 is listened in the structure for listening cylinder mould group 100 and above-mentioned fourth embodiment Structure is identical.
Wherein, the ornamental strip 200 is attached on the outer surface of the architrave 12.The front cover 300 is covered on described On the front of architrave 12, it is reserved with the listening bore 310 opposite with the sound inlet 1111, setting in the listening bore 310 thereon There is earpiece screen A.The battery cover 400 is covered on the rear cover erecting bed 122 at 12 back side of architrave.The lid of mainboard 500 is set In on the earpiece 20, and between the mounting plate 11 and the battery cover 400.The liquid crystal display 600 is set to institute It states in frame shell 12, and between the mounting plate 11 and the front cover 300.
In the present embodiment, the mobile terminal is a mobile phone, and the front cover 300 is made by transparent material.
To sum up, the mobile terminal in the present embodiment since earpiece 20 uses side loading type, and opens up in architrave 12 One accepting hole accommodates the earpiece 20, and earpiece 20 is enabled to complete assembly (as schemed within the 10mm inside of complete machine top edge Shown in 11), to ensure that the area AA of LCD600 can accomplish within 10mm to complete machine top edge distance, and then guarantee described mobile whole The true screen accounting at end can achieve 80% or more, and same this kind of structure also ensures the width of architrave 12, it is ensured that architrave 12 is gathered around There is the width of 2mm to be bonded battery cover 400 (as shown in figure 11), it is ensured that battery cover 400 normally assembles.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of middle frame shell, the architrave including mounting plate and set on the mounting plate side, which is characterized in that the mounting plate Two side baffles positioned opposite are equipped in the position close to the architrave, the side of the architrave towards the side baffle is equipped with One accepting hole, the accepting hole are located between two side baffles, and the middle frame shell still further comprises a rear baffle, institute It states rear baffle to be fixed on the mounting plate by detachable connection method, and opposite with the accepting hole, when the center shell When body is used to fix an electronic device, one end of the electronic device is contained in the accepting hole, and the other end is resisted against described On rear baffle, and the two sides of the electronic device respectively with a side baffle against.
2. middle frame shell according to claim 1, which is characterized in that the rear baffle is fixed on the installation by gum On plate.
3. middle frame shell according to claim 1, which is characterized in that the mounting plate is on the position close to the architrave Equipped with a deep gouge, the deep gouge is located in the region of the side baffle and the rear baffle enclosing, and the deep gouge and the receipts Hold hole connection, the bottom of the electronic device is contained in the deep gouge.
4. middle frame shell according to claim 1, which is characterized in that the mounting plate, which is equipped with positioned opposite two, to be determined Position column, the both ends of the rear baffle are respectively equipped with a positioning hole, and each positioning column is arranged in the positioning hole.
5. middle frame shell according to claim 4, which is characterized in that the structure of two location holes is worked as following situations In any one:
Two location holes are a U-shaped breach;Or
One of them described location hole is round hole, another described location hole is kidney slot.
6. middle frame shell according to claim 1, which is characterized in that the accepting hole runs through the architrave, the receiving A front apron is equipped in hole, one end of the electronic device is contained in the accepting hole, and is leant with the front apron.
7. middle frame shell according to claim 4, which is characterized in that the side baffle and the positioning column are by the peace The upper surface outwardly convex of loading board extends, and the side baffle leans with the architrave, the rear baffle and the side Being sticked on the inner surface of baffle has rubber pad.
8. middle frame shell according to claim 1, which is characterized in that the cross section of the rear baffle is L-shaped, the frame The top of edge is equipped with a rear cover erecting bed, and the width of the rear cover erecting bed is located at 1.8mm between 2.2mm.
9. one kind listens cylinder mould group, including earpiece, which is characterized in that further include center shell described in claim 1 to 8 any one Body, the earpiece are fixed on the middle frame shell under the accepting hole of the middle frame shell and the position-limiting action of baffle.
10. a kind of mobile terminal, which is characterized in that listen cylinder mould group including as claimed in claim 9.
CN201820587627.5U 2018-04-23 2018-04-23 Middle frame shell listens cylinder mould group and mobile terminal Expired - Fee Related CN208522820U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820587627.5U CN208522820U (en) 2018-04-23 2018-04-23 Middle frame shell listens cylinder mould group and mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820587627.5U CN208522820U (en) 2018-04-23 2018-04-23 Middle frame shell listens cylinder mould group and mobile terminal

Publications (1)

Publication Number Publication Date
CN208522820U true CN208522820U (en) 2019-02-19

Family

ID=65341201

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820587627.5U Expired - Fee Related CN208522820U (en) 2018-04-23 2018-04-23 Middle frame shell listens cylinder mould group and mobile terminal

Country Status (1)

Country Link
CN (1) CN208522820U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110266857A (en) * 2019-06-28 2019-09-20 Oppo(重庆)智能科技有限公司 Electric terminal and its camera assemble method
CN111818207A (en) * 2020-06-29 2020-10-23 华勤通讯技术有限公司 Mobile phone receiver groove structure and assembling method thereof
CN112311925A (en) * 2019-07-29 2021-02-02 比亚迪股份有限公司 Earphone device of electronic equipment and electronic equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110266857A (en) * 2019-06-28 2019-09-20 Oppo(重庆)智能科技有限公司 Electric terminal and its camera assemble method
CN110266857B (en) * 2019-06-28 2021-04-06 Oppo(重庆)智能科技有限公司 Electronic terminal and camera assembling method thereof
CN112311925A (en) * 2019-07-29 2021-02-02 比亚迪股份有限公司 Earphone device of electronic equipment and electronic equipment
CN111818207A (en) * 2020-06-29 2020-10-23 华勤通讯技术有限公司 Mobile phone receiver groove structure and assembling method thereof

Similar Documents

Publication Publication Date Title
CN208522820U (en) Middle frame shell listens cylinder mould group and mobile terminal
TW201415853A (en) Porous cover structures for mobile device audio
US8665586B2 (en) Display device
US20070025582A1 (en) Handheld electronic device having offset sound openings
CN106210199A (en) Center assembly and electronic equipment
JP2006129117A (en) Display part structure for electronic equipment and electronic equipment with the same
JP2005189499A (en) Dustproof structure of lcd in electronic device and electronic device provided with dustproof structure
CN106249580A (en) Intelligent watch components and parts arrangement
KR100652735B1 (en) Display apparatus for mobile communication terminal
CN101846822B (en) Structure of liquid crystal display device
US8238974B2 (en) Display module for mobile communication device
CN211786896U (en) Shockproof computer host
CN204069070U (en) A kind of mobile phone display screen with double faced adhesive tape
CN112885165A (en) Information display device is used in business administration teaching
CN202486457U (en) Liquid crystal display module (LCM)
US20140126128A1 (en) Electronic device
CN210603355U (en) Connecting structure of sensor
CN113407062B (en) Display panel and terminal device
US20060055841A1 (en) ESD protection for LCD panels and the like
CN212276166U (en) Double-layer liquid crystal display device
CN204168342U (en) A kind of mobile phone display screen with LCD
CN204168340U (en) A kind of mobile phone display screen with backlight
CN203608320U (en) Protective cover for sound box display screen
JPH04204822A (en) Mounting structure for lcd
CN215779682U (en) Compact eye therapeutic instrument internal installation structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190219

Termination date: 20210423

CF01 Termination of patent right due to non-payment of annual fee