CN204156969U - The LCD TV of easy detachable intelligent object - Google Patents

The LCD TV of easy detachable intelligent object Download PDF

Info

Publication number
CN204156969U
CN204156969U CN201420449225.0U CN201420449225U CN204156969U CN 204156969 U CN204156969 U CN 204156969U CN 201420449225 U CN201420449225 U CN 201420449225U CN 204156969 U CN204156969 U CN 204156969U
Authority
CN
China
Prior art keywords
lcd
box body
intelligent object
plate
rear board
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.)
Active
Application number
CN201420449225.0U
Other languages
Chinese (zh)
Inventor
赵勇
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.)
TCL Corp
Original Assignee
TCL Corp
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 TCL Corp filed Critical TCL Corp
Priority to CN201420449225.0U priority Critical patent/CN204156969U/en
Application granted granted Critical
Publication of CN204156969U publication Critical patent/CN204156969U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The utility model relates to liquid crystal tv technology field, a kind of LCD TV of easy detachable intelligent object is provided, LCD TV comprises fore shell, back cover, module backboard and multiple circuit board, intelligent object comprises box body and SOC plate, back cover comprises rear board and side plate, and wherein side plate is provided with opening, and box body inserts inside rear board by opening, described rear board is provided with rear board grab, described box body be provided with can with the cases snap of the corresponding clamping of described rear board grab.In cases snap cases snap the utility model, above-mentioned easy-to-dismount structure, the mainboard of LCD TV can be changed easily, break through the drawback that existing LCD TV can not or be inconvenient to upgrade, user oneself can upgrade to TV, has overturned the mode of operation that traditional liquid crystal TV is single.

Description

The LCD TV of easy detachable intelligent object
Technical field
The utility model relates to liquid crystal tv technology field, more particularly, relates to a kind of LCD TV of easy detachable intelligent object.
Background technology
The LCD TV that current domestic and international market is sold, the TV motherboard of tape operation system is mounted in television cabin, and adopts soft arranging wire or FPC to be connected between TV motherboard with the circuit boards such as screen drive plate, power panel, TCON (Timing Controller) plate.After user buys TV, if want upgrading or maintenance mainboard, the maintenance personal of specialty is needed to take TV back cover apart, the connecting line that a lot of and various circuit board is connected is pulled up from mainboard, pull down monoblock mainboard again to carry out upgrading or keeping in repair, and then install new mainboard, and connect each connecting line, finally again back cover is installed fixing.And some TVs do not mate with the circuit board of periphery due to new mainboard, therefore can't upgrade.Therefore, existing LCD TV ubiquity upgrading, maintenance difficult, the problem that user cannot oneself complete.
Utility model content
The purpose of this utility model is the LCD TV providing a kind of easy detachable intelligent object, is intended to solve the LCD TV scaling difficulty existed in prior art, the problem that user cannot oneself complete.
For solving the problems of the technologies described above, the technical solution of the utility model is: the LCD TV providing a kind of easy detachable intelligent object, described LCD TV comprises fore shell, back cover, the multiple circuit boards be located at the module backboard in described fore shell and back cover enclosed space and be located on described module backboard, described intelligent object comprises box body and to be located in described box body and the SOC plate that can be electrically connected with described multiple circuit board, described back cover comprises rear board and by the intilted side plate in the edge of described rear board, wherein described in one, side plate is provided with opening, described box body inserts inside described rear board by described opening, described rear board is provided with rear board grab, described box body be provided with can with the cases snap of the corresponding clamping of described rear board grab.
Further, be oppositely arranged two baffle plates inside described rear board along described box body direction of insertion, described box body is by insert between baffle plate described in two and the two edges of described box body coordinate with two flapper gap described in two respectively.
Just described box body direction of insertion is being arranged at least one for supporting the spring cushioning described box body inside described rear board.Particularly, described box body comprises bottom and is located at the upper casing on described bottom, and described bottom edge is provided with draw-in groove, and described upper casing comprises face-piece and is located at the sidewall of described face-piece surrounding, and described sidewall is provided with the sidewall buckle that can snap in described draw-in groove.
Particularly, be provided with reference column inside described face-piece, described SOC plate is provided with the location hole coordinated with described reference column.
Particularly, described SOC panel edges is provided with multiple terminal, and a sidewall of described upper casing is provided with multiple first end sub-aperture be each passed through for described multiple terminal.
Particularly, described multiple circuit board comprises Bridge plate, and described Bridge plate is provided with Male head connector, and described SOC panel edges is provided with female connector, described box body edge is provided with breach, and described female connector is electrically connected with described Male head connector through described breach.
Further, described Male head connector is provided with male fairlead, and described female connector is provided with female fairlead, and described male fairlead is provided with guide pillar, and described female connector is provided with the guide groove that can insert for described guide pillar.
Particularly, also comprise in described multiple circuit board be connected with described Bridge plate power panel, shield drive plate, TCON plate, keypad and MEMC plate.
Particularly, described Bridge panel edges is provided with multiple terminal, described Bridge plate sidepiece clamping AV support, and described AV support is provided with multiple the second terminal hole be each passed through for described multiple terminal.
In the utility model, when installing intelligent object, box body is inserted by opening part, by coordinating of two groups of cases snap and rear board grab, box body is locked in rear board, like this, namely the installation of liquid crystal television mainboard is completed, when needs are to LCD TV upgrade or repair, only need to pin rear board grab simultaneously, rear board grab and cases snap depart from, box body can take out, because intelligent object adopts above-mentioned easy-to-dismount structure, the mainboard of LCD TV can be changed easily, break through the drawback that existing LCD TV can not or be inconvenient to upgrade, user oneself easily can change the mainboard of TV as plug USB flash disk, TV is upgraded.User in use, prepares the intelligent object of several difference in functionality, as stressed game, stress child's education etc., change intelligent object at any time as required, being just equivalent to have multiple stage can not the LCD TV of function, has thoroughly overturned the mode of operation that traditional liquid crystal TV is single.
Accompanying drawing explanation
Fig. 1 is the front view of LCD TV one preferred embodiment that the utility model provides;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the perspective view of LCD TV in the utility model embodiment, shows the structure of LCD TV back cover;
Fig. 4 is the schematic diagram of the utility model embodiment intelligent object when being installed on back cover;
Fig. 5 is A place enlarged drawing in Fig. 4;
Fig. 6 is the structural representation of back cover in the utility model embodiment, shows back cover internal structure;
Fig. 7 is B place enlarged drawing in Fig. 6;
Fig. 8 is the exploded view of intelligent object in the utility model embodiment;
Fig. 9 is C place enlarged drawing in Fig. 8;
Figure 10 is the exploded view of intelligent object and Bridge plate in the utility model embodiment;
Figure 11 is the exploded view of LCD TV in the utility model embodiment;
Figure 12 is D place enlarged drawing in Figure 10;
Figure 13 is the schematic diagram of module backboard in the utility model embodiment, shows the structure that Bridge plate is installed on module backboard;
Figure 14 is the schematic diagram of module backboard in the utility model embodiment, basically illustrates when intelligent object is installed and Bridge plate connected structure;
100-fore shell; 200-LCDs; 300-back cover; 310-rear board;
311-rear board grab; 312-brace rod; 313-baffle plate; 314-holder;
315-spring; 320-side plate; 321-opening; 400-module backboard;
410-Bridge plate; Multiple terminals on 411-Bridge plate; 412-Male head connector;
413-male fairlead; 4131-guide pillar; 420-power panel; 430-shields drive plate;
440-TCON plate; 450-keypad; 460-MEMC plate; 470-AV support;
471-second terminal hole; 500-base; 600-intelligent object; 610-box body;
611-cases snap; 612-bottom; 6121-draw-in groove; 613-upper casing;
614-face-piece; 6141-reference column; 615-sidewall; 6151-sidewall buckle;
6152-first end sub-aperture; 6153-breach; 620-SOC plate; 621-location hole;
622-master chip; Multiple terminals on 623-SOC plate; 624-female connector;
625-female fairlead; 6251-guide groove.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Fig. 6 and Figure 11, the LCD TV that the utility model provides, comprises fore shell 100, the LCDs 200 be located on fore shell 100, back cover 300, is located at fore shell 100 and the module backboard 400 in back cover 300 enclosed space, is located at multiple circuit board on module backboard 400 and base 500.The utility model installs easy-to-dismount intelligent object 600 in LCD TV, and intelligent object 600 comprises box body 610 and is located at the SOC plate 620 in box body 610.Back cover 300 comprises rear board 310 and by the intilted side plate 320 in the edge of rear board 310, like this, namely four side plates 320 form the chamber of raised type for placing the composition device of LCD TV with rear board 310.In the present embodiment, described front, rear, left and right are for reference with the front of LCD TV.In the present embodiment, the side plate 320 being positioned at right side is provided with opening 321, and the box body 610 of intelligent object 600 is inserted in chamber by opening 321 and ascends the throne later inside plate 310.When user is just to LCD TV, on the side plate 320 on right side, insert box body 610, be convenient to user habit operation.Certainly, also opening 321 can be arranged at other side plate 320.Rear board 310 is provided with rear board grab 311, and box body 610 is provided with cases snap 611.Consider from production cost and installation reliability aspect, in the present embodiment, the cases snap 611 and the rear board grab 311 that cooperatively interact are two groups.
In the present embodiment, when installing intelligent object 600, inserted by box body 610 by opening 321, by coordinating of two groups of cases snap 611 and rear board grab 311, box body 610 is fixed in rear board 310, like this, namely completes the installation of liquid crystal television mainboard.And as can be seen from Fig. 4, Fig. 5, rear board grab 311 is shaped on rear board 310, its later inside plate 310 with cases snap 611 clamping, observe by outside rear board 310, rear board grab 311 can be used as again button during dismounting simultaneously.When needs are to LCD TV upgrade or repair, the while of only needs, below, in plate 310 lateral, pressing two buttons and rear board grab 311 just can make rear board grab 311 and cases snap 611 depart from, box body 610 can take out, then installs new intelligent object 600.Because intelligent object 600 adopts above-mentioned easy-to-dismount structure, the mainboard of LCD TV can be changed easily, break through the drawback that existing LCD TV can not or be inconvenient to upgrade, user oneself easily can change the mainboard of TV as plug USB flash disk, upgrades to TV.User in use, prepares the intelligent object of several difference in functionality, as stressed game, stress child's education etc., change intelligent object at any time as required, being just equivalent to have multiple stage can not the LCD TV of function, has thoroughly overturned the mode of operation that traditional liquid crystal TV is single.
With reference to Fig. 4, Fig. 5 and Fig. 7, for making intelligent object 600 more convenient, smooth and easy when inserting, in the present embodiment, two baffle plates 313 are also set inside plate 310 later, this baffle plate 313 is oppositely arranged, and forms sliding channel therebetween, and box body 610 thus interior slip of sliding channel inserts.The two edges of box body 610 respectively with two baffle plate 313 matched in clearance.This gap is about 0.25mm, ensures that box body 610 can insert smoothly or extract like this.After box body 610 inserts, the baffle plate 313 of both sides also plays spacing fixing effect, avoids box body 610 to rock in back cover 300.As prioritization scheme, outside each baffle plate 313, be also provided with some brace rods 312 vertical with baffle plate 313, like this, can better supporting baffle 313 perpendicular to brace rod 312 in box body 610 direction of insertion.
Further, with reference to Fig. 6, Fig. 7, just direction is inserted to box body 610 below two springs 315 are set inside plate 310.Particularly, also arranging two sections inside rear board 310 is square holder 314, each holder 314 all has one just to the breach (in figure non-label) of box body 610 direction of insertion, all there are in each holder 314 two relative fixture blocks (in figure non-label), one end of each spring 315 is stuck between two fixture blocks of corresponding holder 314 respectively, and the other end of each spring 315 is stretched out outside each holder 314 by indentation, there.Box body 610 is when inserting along block 313, and box body 610 supported respectively by two springs 315, plays cushioning effect to the insertion of box body 610, and after box body 610 motion puts in place, spring 315 is compressed in holder 314, has elastic force.When pressing rear board grab, rear board grab and cases snap 611 depart from, under the effect of spring 315 elastic force, box body 610 pushed outwards go out to opening 321 place, manually need not scratch box body 610 like this, box body 610 can automatic spring, dismantles more convenient.Here arrange holder 314 and fix spring 315, when spring 315 is when by compression, position-limiting action is played to spring 315 in the two side of holder, avoid spring 315 to both sides the crooked and buffering effect of impact to box body 610.Certainly, the fixed form of spring 315 is also not limited to shown in the present embodiment herein, and other elastic construction also can be adopted to fix.
With reference to Fig. 8 to Figure 10, in the present embodiment, box body 610 is for assembling, and it comprises bottom 612 and is located at the upper casing 613 on bottom 612.Wherein, bottom 612 edge is provided with multiple draw-in groove 6121; Upper casing 613 comprises face-piece 614 and is located at the sidewall 615 of face-piece 614 surrounding, and sidewall 615 is provided with multiple sidewall buckle 6151, and when upper casing 613 is placed on bottom 612, each sidewall buckle 6151 correspondence snaps in each draw-in groove 6121.And the SOC plate 620 in box body 610 be fixed on upper casing 613 face-piece 614 inside.Particularly, be provided with reference column 6141, SOC plate 620 inside face-piece 614 and be provided with the location hole 621 coordinated with reference column 6141.Namely constituted the intelligent object 600 of the built-in SOC plate 620 without screw like this by said structure, intelligent object 600 whole box body 610 sizableness portable hard drive, without screw, tailored appearance is attractive in appearance.
SOC plate 620 is provided with master chip 622, the signal decoding, operating system etc. of LCD TV all process on master chip 622, SOC plate 620 is provided with and is also provided with multiple terminal 623, as Mini TUNER, HDMI, USB, network interface terminal (herein to each terminal not label one by one, with a label signal).One sidewall 615 of upper casing 613 is provided with and can supplies multiple first end sub-aperture 6152, and above-mentioned each terminal 623 can pass by each first end sub-aperture 6152 respectively.Like this, terminal 623 is passed outside box body 610 by first end sub-aperture 6152, is convenient to the electrical connection of outer each components and parts with box body 610.Meanwhile, SOC plate 620 edge is also provided with female connector 624, and upper casing 613 sidewall 615 is provided with breach 6153, female connector 624 through breach 6153 can with external electrical connections.
To sum up, by above-mentioned structure, user can insert intelligent object 600 very easily, meanwhile, pushes button and 312 can eject intelligent object 600 again, change intelligent object 600 very convenient.In the present embodiment, intelligent object 600 is while realizing easy demolition, installation, and the electrical connection layout between itself and inside liquid crystal television circuit board is also fairly simple, neatly, and vacant too many inner space.Electrical connection between intelligent object 600 and inside liquid crystal television circuit board is specific as follows:
With reference to Figure 11, the multiple circuit boards be located on module backboard 400 comprise Bridge plate 410, power panel 420, screen drive plate 430, TCON plate 440 and keypad 450 etc.Bridge plate 410 is fixed on module backboard 400, and Bridge plate 410 is provided with the chip Bridge IC of display process etc., and Bridge plate 410 is provided with multiple terminal 411, as terminals such as HDMI, USB, SPDIF, MINI AV.Bridge plate 410 sidepiece clamping AV support 470, AV support 470 is provided with multiple second terminal hole 471, passes for terminals such as HDMI, USB, SPDIF, MINI AV.Power panel 420, screen drive plate 430, TCON plate 440, keypad 450 etc. are all connected on Bridge plate 410.This multiple circuit board is electrically connected with the SOC plate 620 of intelligent object 600 by Bridge plate 410.Bridge plate 410 is arranged on module backboard 400, after module backboard 400 and back cover 300 are assembled, Bridge plate 410 is positioned at box body 610 side of intelligent object 600, Bridge plate 410 is provided with Male head connector 412, this Male head connector 412 is corresponding with female connector 624 position of intelligent object 600, after the two electrical connection, Bridge plate 410 transmits power supply, HDMI, USB, infrared, signal such as screen ginseng etc. to SOC plate 620, controls whole TV functions to make SOC plate 620.
With reference to Figure 10 to 14, when docking with female connector 624 to make Male head connector 412 more accurately, fast, Male head connector 412 is arranged a male fairlead 413, female connector 624 is provided with a female fairlead 625, male fairlead 413 is provided with guide pillar 4131, and female connector 624 is provided with the guide groove 6251 that can insert for guide pillar 4131.When the box body 610 of intelligent object 600 inwardly inserts along block 313, the guide groove 6251 of female fairlead 625 imports on the guide pillar 4131 of the male fairlead 413 of Bridge plate 410, and female connector 624 accurately inserts in Male head connector 412 under guiding itself immediately.As from the foregoing, owing to being provided with spring 315 in holder 314, spring 315 pairs of box bodys 610 insert has cushioning effect, and similarly, spring 315 pairs of female fairleads 625 also have cushioning effect with docking of male fairlead 413, the steady grafting of both guarantees.
In said structure, except described power panel 420, screen drive plate 430, TCON plate 440, keypad 450, MEMC plate 460, power line socket, WIFI antenna, loudspeaker etc. are also had all to fix on module backboard 400 and to be connected with Bridge plate 410.The equal screw of connection or the stud of the connection of above-mentioned each device and module backboard 400 and back cover 300 and module backboard 400 realize, and this structure is identical with existing structure, is not described further herein.
To sum up, in the present embodiment, the intelligent object 600 of easy demolition, installation is set in LCD TV back cover 300, but user oneself changes, upgrading mainboard, the service that user considers is presented as from the structure of product itself, make user have brand-new experience, greatly improve the market competitiveness of LCD TV, and the future development leading LCD TV more independently can upgrade towards user, upgrade.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.

Claims (10)

1. the LCD TV of an easy detachable intelligent object, described LCD TV comprises fore shell, back cover, the multiple circuit boards be located at the module backboard in described fore shell and back cover enclosed space and be located on described module backboard, described intelligent object comprises box body and to be located in described box body and the SOC plate that can be electrically connected with described multiple circuit board, it is characterized in that: described back cover comprises rear board and by the intilted side plate in the edge of described rear board, wherein described in one, side plate is provided with opening, described box body inserts inside described rear board by described opening, described rear board is provided with rear board grab, described box body be provided with can with the cases snap of the corresponding clamping of described rear board grab.
2. the LCD TV of easy detachable intelligent object as claimed in claim 1, it is characterized in that: be oppositely arranged two baffle plates along described box body direction of insertion inside described rear board, described box body is by insert between baffle plate described in two and the two edges of described box body coordinate with two flapper gap described in two respectively.
3. the LCD TV of easy detachable intelligent object as claimed in claim 1, is characterized in that: just arranging at least one for supporting the spring cushioning described box body to described box body direction of insertion inside described rear board.
4. the LCD TV of easy detachable intelligent object as claimed in claim 1, it is characterized in that: described box body comprises bottom and is located at the upper casing on described bottom, described bottom edge is provided with draw-in groove, described upper casing comprises face-piece and is located at the sidewall of described face-piece surrounding, and described sidewall is provided with the sidewall buckle that can snap in described draw-in groove.
5. the LCD TV of easy detachable intelligent object as claimed in claim 4, it is characterized in that: be provided with reference column inside described face-piece, described SOC plate is provided with the location hole coordinated with described reference column.
6. the LCD TV of the easy detachable intelligent object as described in claim 4 or 5, is characterized in that: described SOC panel edges is provided with multiple terminal, and a sidewall of described upper casing is provided with multiple first end sub-aperture be each passed through for described multiple terminal.
7. the LCD TV of easy detachable intelligent object as claimed in claim 1, it is characterized in that: described multiple circuit board comprises Bridge plate, described Bridge plate is provided with Male head connector, described SOC panel edges is provided with female connector, described box body edge is provided with breach, and described female connector is electrically connected with described Male head connector through described breach.
8. the LCD TV of easy detachable intelligent object as claimed in claim 7, it is characterized in that: described Male head connector is provided with male fairlead, described female connector is provided with female fairlead, described male fairlead is provided with guide pillar, and described female connector is provided with the guide groove that can insert for described guide pillar.
9. the LCD TV of as claimed in claim 7 or 8 easy detachable intelligent object, is characterized in that: also comprise in described multiple circuit board be connected with described Bridge plate power panel, shield drive plate, TCON plate, keypad and MEMC plate.
10. the LCD TV of easy detachable intelligent object as claimed in claim 7 or 8, it is characterized in that: described Bridge panel edges is provided with multiple terminal, described Bridge plate sidepiece clamping AV support, described AV support is provided with multiple the second terminal hole be each passed through for described multiple terminal.
CN201420449225.0U 2014-08-08 2014-08-08 The LCD TV of easy detachable intelligent object Active CN204156969U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420449225.0U CN204156969U (en) 2014-08-08 2014-08-08 The LCD TV of easy detachable intelligent object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420449225.0U CN204156969U (en) 2014-08-08 2014-08-08 The LCD TV of easy detachable intelligent object

Publications (1)

Publication Number Publication Date
CN204156969U true CN204156969U (en) 2015-02-11

Family

ID=52515054

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420449225.0U Active CN204156969U (en) 2014-08-08 2014-08-08 The LCD TV of easy detachable intelligent object

Country Status (1)

Country Link
CN (1) CN204156969U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108259951A (en) * 2016-12-28 2018-07-06 深圳暴风统帅科技有限公司 A kind of DOCK boxes
CN108259950A (en) * 2016-12-28 2018-07-06 深圳暴风统帅科技有限公司 A kind of Kit boxes, TV machine host and television set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108259951A (en) * 2016-12-28 2018-07-06 深圳暴风统帅科技有限公司 A kind of DOCK boxes
CN108259950A (en) * 2016-12-28 2018-07-06 深圳暴风统帅科技有限公司 A kind of Kit boxes, TV machine host and television set

Similar Documents

Publication Publication Date Title
CN202564709U (en) Wall type elongated charger socket
CN103368024A (en) Multifunctional multi-output wall socket structure
EP3343907B1 (en) Television mainboard device, connection device, television, and television system
WO2011140039A1 (en) Video desplay with detachable input/ output console
CN201893486U (en) Portable power adapter and detachable connector applied to same and complete set of components
CN104577587A (en) Multifunctional integrated connector socket and plug as well as multifunctional integrated connector combination
CN204156969U (en) The LCD TV of easy detachable intelligent object
CN100490511C (en) Flat-panel TV set with selectable extension function
CN105427755A (en) Intelligent LED display device and system
CN206574916U (en) Assembly structure of multi-port expansion base
CN204244359U (en) The connect-disconnect structure of a kind of LCD TV and portable dismounting mainboard thereof
CN205230519U (en) Intelligence LED display device and display system
CN202679502U (en) Television
CN109240424A (en) A kind of expanding unit
CN110389915A (en) Single board computer adapter and single board computer containing base plate
CN201616865U (en) Flat television and detachable multimedia module thereof
CN201418129Y (en) Television and interface baffle plate thereof
CN210804185U (en) Protective housing with electronic function
CN205017038U (en) Subassembly charges
CN208781121U (en) A kind of expanding unit
US8947862B2 (en) Expansion card module
CN203661419U (en) Display device
CN215219588U (en) Interactive screen mainboard module and interactive screen
CN209964211U (en) Projector with extended function interface and projector device
CN111045488A (en) Protective housing with electronic function

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant