CN102136226B - Display screen unit and led display screen - Google Patents
Display screen unit and led display screen Download PDFInfo
- Publication number
- CN102136226B CN102136226B CN2011100603236A CN201110060323A CN102136226B CN 102136226 B CN102136226 B CN 102136226B CN 2011100603236 A CN2011100603236 A CN 2011100603236A CN 201110060323 A CN201110060323 A CN 201110060323A CN 102136226 B CN102136226 B CN 102136226B
- Authority
- CN
- China
- Prior art keywords
- fixed block
- web member
- display unit
- unit piece
- display screen
- 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
Links
Images
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to a display screen unit and a light-emitting diode (LED) display screen using the same. The display screen unit comprises a display unit block, wherein the first side of the display unit block is provided with a first connecting piece; the second side of the display unit block, which is opposite to the first side, is provided with a second connecting piece which can be rotationally connected with the first connecting piece; the third side of the display unit block is provided with a third connecting piece; and the fourth side of the display unit block, which is opposite to the third side, is provided with a fourth connecting piece which can be rotationally connected with the third connecting piece. The plurality of display screen units of the LED display screen are movably connected by the first connecting pieces, the second connecting pieces, the third connecting pieces and the fourth connecting pieces, and rotation around an axis in a horizontal direction and an axis in a vertical direction can be realized, so that the LED display screen is convenient to use, and different display forms can be realized.
Description
[technical field]
The present invention relates to a kind of LED display device, particularly a kind of display screen unit and the LED display that adopts this display screen unit.
[background technology]
Present light emitting diode (Light Emitting Diode is called for short LED) display screen generally is wholely set through each LED cell board and single casing and forms.Because each driver element module, power supply, fan and other electronic devices and components all are fixed in the casing, so casing is bigger and heavy, and the thinnest place also reaches 70～80mm, and suspension bracket must weigh greatly, carries, assembles equal inconvenience.In addition, the LED display of lease generally is that on-the-spot casing assembly unit constitutes on the market, can not the low-angle corner, can only a plane displaying contents, can not circumference or special-shaped moulding show.
[summary of the invention]
Based on this, be necessary to provide a kind of use comparatively convenient, and can realize the display screen unit of different shaping and the LED display that adopts this display screen unit.
A kind of display screen unit comprises the display unit piece.The first side of this display unit piece is provided with first web member; The second side relative with this first side of this display unit piece is provided with second web member that can be rotatably connected with this first web member; The 3rd side of this display unit piece is provided with the 3rd web member, and the four side relative with the 3rd side of this display unit piece is provided with the 4th web member that can be rotatably connected with the 3rd web member; First web member of this display screen unit comprises two first fixed blocks that are arranged on the first side of this display unit piece at interval; This second web member comprises one second fixed block; This second fixed block is roughly rectangular parallelepiped, its length just with these two first fixed blocks between distance equate that and the gap between the position of this second fixed block and this two first fixed blocks is relative; This second web member also comprises two limit fixed blocks that are positioned at these two first fixed block both sides; Distance between each limit fixed block and this second fixed block just equals the length of one first fixed block; The 3rd web member comprises the 3rd fixed block of the 3rd side that this display unit piece is set; The 4th web member comprises that the 4th fixed block of the four side that this display unit piece is set is arranged in the perpendicular dial axis of the 4th fixed block with sliding; The shaped position of the 4th fixed block is just complementary with the 3rd fixed block of another display unit piece, so that should can match with the vertical pivot hole of this another display unit piece by perpendicular dial axis.
In a preferred embodiment; This first web member comprises two first fixed blocks at interval; Offer the first transverse axis hole in each first fixed block; This second web member comprises and corresponding second fixed block of these two first fixed blocks and two horizontal dial axises that this second horizontal dial axis activity is contained in this second fixed block, and can cooperate with this first transverse axis hole.
In a preferred embodiment; This first web member comprises that also activity is contained in the coupling shaft in the first transverse axis hole of each first fixed block; This second web member also comprises two limit fixed blocks that are positioned at these two first fixed block both sides, offers the second transverse axis hole that can cooperate with this coupling shaft in each limit fixed block.
A kind of LED display comprises arm, a plurality of display screen units of being located at the suspension ring on this arm and being movably connected with this arm.Each display screen unit comprises the display unit piece; The first side of this display unit piece is provided with first web member; The second side relative with this first side of this display unit piece is provided with second web member that can be rotatably connected with this first web member; The 3rd side of this display unit piece is provided with the 3rd web member, and the four side relative with the 3rd side of this display unit piece is provided with the 4th web member that can be rotatably connected with the 3rd web member; First web member of this display screen unit comprises two first fixed blocks that are arranged on the first side of this display unit piece at interval; This second web member comprises one second fixed block; This second fixed block is roughly rectangular parallelepiped, its length just with these two first fixed blocks between distance equate that and the gap between the position of this second fixed block and this two first fixed blocks is relative; This second web member also comprises two limit fixed blocks that are positioned at these two first fixed block both sides; Distance between each limit fixed block and this second fixed block just equals the length of one first fixed block; The 3rd web member comprises the 3rd fixed block of the 3rd side that this display unit piece is set; The 4th web member comprises that the 4th fixed block of the four side that this display unit piece is set is arranged in the perpendicular dial axis of the 4th fixed block with sliding; The shaped position of the 4th fixed block is just complementary with the 3rd fixed block of another display unit piece, so that should can match with the vertical pivot hole of this another display unit piece by perpendicular dial axis.
In a preferred embodiment; This first web member comprises two first fixed blocks at interval; Offer the first transverse axis hole in each first fixed block; This second web member comprises second fixed block and two the horizontal dial axises between these two first fixed blocks, and these two horizontal dial axis activities are contained in this second fixed block, and can cooperate with this first transverse axis hole.
In a preferred embodiment; This first web member comprises that also activity is contained in the coupling shaft in the first transverse axis hole of each first fixed block; This second web member also comprises two limit fixed blocks that are positioned at these two first fixed block both sides, offers the second transverse axis hole that can cooperate with this coupling shaft in each limit fixed block.
In a preferred embodiment, this arm is provided with the 5th fixed block and two fingers between these two first fixed blocks, and these two finger activities are contained in the 5th fixed block, and can cooperate with this first transverse axis hole.
In a preferred embodiment; This arm one end forms first linking arm; The other end forms second linking arm that can cooperate with first linking arm of another arm; This LED display also comprises the locking member that flexibly connects this first linking arm and this second linking arm, through regulating this locking member to change formed angle between this arm and other arms.
A plurality of display screen units of above-mentioned LED display flexibly connect through first, second and third and four web members, can realize that it is comparatively convenient to use around the axle of horizontal direction and the axle rotation of vertical direction, and can realize the different moulding that show.
[description of drawings]
Through the more specifically explanation of the preferred embodiments of the present invention shown in the accompanying drawing, above-mentioned and other purpose, characteristic and advantage of the present invention will be more clear.Reference numeral identical in whole accompanying drawings is indicated identical part.Painstakingly do not draw accompanying drawing, focus on illustrating purport of the present invention by physical size equal proportion convergent-divergent.
Fig. 1 to Fig. 3 is the front view of the display screen unit of three kinds of different embodiment;
Fig. 4 is the front view when extremely display screen unit shown in Figure 3 vertically connects like Fig. 1;
Front view when Fig. 5 vertically connects for a plurality of display screen units as shown in Figure 4;
Fig. 6 is the front views of a plurality of display screen unit levels as shown in Figure 4 when connecting;
Fig. 7 is the front view of the LED display of an embodiment;
Fig. 8 is the arm of LED display shown in Figure 7 and the front view of suspension ring;
Fig. 9 is the front view of the LED display of another embodiment;
Figure 10 is to the vertical view of putting for the difformity of LED display shown in Figure 9 shown in Figure 11;
Figure 12 is the side views of a plurality of display screen units as shown in Figure 4 when folding.
[embodiment]
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, does detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.A lot of details have been set forth in the following description so that make much of the present invention.But the present invention can implement much to be different from alternate manner described here, and those skilled in the art can do similar popularization under the situation of intension of the present invention, so the present invention does not receive the restriction of following disclosed practical implementation.
Secondly, the present invention utilizes synoptic diagram to be described in detail, when the embodiment of the invention is detailed; For ease of explanation; The sectional view of expression device architecture can be disobeyed general ratio and done local the amplification, and said synoptic diagram is instance, and it should not limit the scope of the present invention's protection at this.The three dimensions size that in actual fabrication, should comprise in addition, length, width and the degree of depth.
See also Fig. 1, the display screen unit 100 of first embodiment comprises and is roughly rectangular display unit piece 10.Display unit piece 10 preferably is made up of aluminium section, and thickness is less, can be 17mm, can realize installing quickly and easily.
The first side of display unit piece 10 (upper side edge) is provided with first web member 20, and the second side (lower side) relative with the first side is provided with second web member 30 that can be rotatably connected with first web member 20 of another display unit piece (figure does not show).Can realize that through first web member 20 and second web member 30 a display unit piece 10 relative another display unit pieces 10 rotate around the axle of horizontal direction.The 3rd side (left side) of display unit piece 10 is provided with the 3rd web member 40, and the four side (right edge) relative with the 3rd side is provided with the 4th web member 50 that can be rotatably connected with the 3rd web member 40 of another display unit piece.Can realize that through the 3rd web member 40 and the 4th web member 50 a display unit piece 10 relative another display unit pieces rotate around the axle of vertical direction.
Specifically, first web member 20 of display screen unit 100 comprises two first fixed blocks 21 that are arranged on the first side of display unit piece 10 at interval.Each fixed block 21 is roughly rectangular parallelepiped, and its inner along continuous straight runs offers the first transverse axis hole 211.Please consult Fig. 2 simultaneously, be movably set with a coupling shaft 213 in each first transverse axis hole 211.
Please consult Fig. 1 once more, second web member 30 also comprises two limit fixed blocks 33 that are positioned at two first fixed block 21 both sides.Distance between each the limit fixed block 33 and second fixed block 31 just equals the length of one first fixed block 21.Offer the second transverse axis hole 331 that can cooperate in each limit fixed block 33 with Fig. 2 and coupling shaft 213 shown in Figure 3.
The 3rd web member 40 comprises the 3rd fixed block 41 of the 3rd side that display unit piece 10 is set.The 3rd fixed block 41 is roughly square, and its inside vertically offers vertical pivot hole 411.
The 4th web member 50 comprises that the 4th fixed block 51 of the four side that display unit piece 10 is set is arranged in the perpendicular dial axis 53 of the 4th fixed block 51 with sliding.The shaped position of the 4th fixed block 51 just with the 3rd fixed block 41 complementations of another display unit piece so that perpendicular dial axis 53 can match with the vertical pivot hole 411 of another display unit piece.
It is understandable that coupling shaft 213, horizontal dial axis 313 and perpendicular dial axis 53 in Fig. 1, Fig. 2 and the three kinds of display screen units 100 shown in Figure 3 also can be installed on the display unit piece 10 simultaneously.
See also Fig. 4; When needs vertically are spliced into casing with a plurality of display screen units 100; Can be at first three kinds of display screen units 100 of Fig. 1 to Fig. 3 vertically be arranged in order from top to bottom successively; Make second fixed block 31 of display screen unit shown in Figure 1 100 just between two first fixed blocks 21 of display screen unit shown in Figure 2 100, and two first fixed blocks 21 that make display screen unit shown in Figure 3 100 are just between second fixed block 31 of display screen unit shown in Figure 2 100 and two limit fixed blocks 33.Then, through cooperating of coupling shaft 213 and the second transverse axis hole 331 realizing the flexible connection of two display unit pieces 10 up and down, and display unit piece 10 relative another display unit pieces 10 can be around the axle rotation of horizontal direction.
See also Fig. 5, casing shown in Figure 4 can also further vertically splice.During splicing; Can at first a plurality of casings vertically be arranged; Make with the position lean on second fixed block 31 of a display screen unit 100 bottom of a last casing be positioned over the position by under two first fixed blocks 21 of a display screen unit 100 of the top of a casing between; To both sides two the horizontal dial axises 313 that slide respectively, it is got in two the first transverse axis holes 211 respectively then.At this moment, two casings will be realized flexibly connecting through first web member 20 and second web member 30 up and down, and relative another casing of casing can rotate around the axle of horizontal direction.
See also Fig. 6, further along continuous straight runs splicing of casing shown in Figure 4.During splicing, can at first a plurality of casing along continuous straight runs be arranged in order, make the 3rd fixed block 41 of the display unit piece 10 that the 4th fixed block 51 of the display unit piece 10 that the position keeps left is just kept right with the position align.To the perpendicular dial axis 53 of lower slider, it is got in the vertical pivot hole 411 then.At this moment, about two casings will realize flexibly connecting through the 3rd web member 40 and the 4th web member 50, and casing relatively another casing can rotate around the axle of vertical direction.
See also Fig. 7, the LED display 200 of an embodiment comprises arm 60, a plurality of display screen units 100 that are fixed at the suspension ring 61 on the arm 60 and are movably connected with arm 60.
See also Fig. 8, arm 60 is roughly strip, and the one of which end stretches out and forms first linking arm 63, and the other end oppositely extends to form second linking arm 65 that can cooperate with first linking arm 63 of another arm (figure does not show).This LED display 200 also comprises the locking member 70 of second linking arm 63 that connects first linking arm 61 and another arm.
The below of arm 60 also is formed with the 5th fixed block 67 and two fingers 69.The shape of the 5th fixed block 67 and second fixed block 31 is roughly the same with structure, and it just can be positioned between two first fixed blocks 21.Two finger 69 activities are contained in the 5th fixed block 67, and can match with two first transverse axis holes 211 respectively.
See also Fig. 9; When needs are connected in arm with a plurality of display screen units 100 shown in Figure 4; Can the 5th fixed block 67 of the below of arm 60 be positioned between two first fixed blocks 21 of the display screen unit 100 of the superiors; Stir finger 69 then to the left and right sides respectively, it is got into respectively in two the first transverse axis holes 211.At this moment, display screen unit 100 is realized flexibly connecting with arm 60, and display screen unit 100 relative arms 60 can rotate around the axle of horizontal direction.At last, first linking arm 61 and second linking arm 63 of two adjacent arms 60 is rotatably connected through locking member 70, through regulating locking member 70 to change formed angle between arm 60 and the arm adjacent with this arm.
But the picture of LED display 200 display planes shown in Figure 9.When needs show the circumferential picture, can be arranged in arm 60 and the casing that is positioned at arm 60 belows cylindric, for example shown in figure 10 through regulating locking member 70.When needs show the picture of abnormity (like waveform), also can be arranged in arm 60 and the casing that is positioned at arm 60 belows wavy, for example shown in figure 11 through regulating locking member 70.
After finishing using, when needing the vanning transportation, can be earlier through stirring finger 69; Arm 60 is separated with display screen unit 100, can a plurality of display unit pieces 10 rolled volume, be intertwined around coupling shaft 213 then, for example shown in figure 12; To practice thrift transport space, make things convenient for cargo handling.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (8)
1. display screen unit; Comprise the display unit piece; It is characterized in that: the first side of this display unit piece is provided with first web member; The second side relative with this first side of this display unit piece is provided with second web member that can be rotatably connected with this first web member, and the 3rd side of this display unit piece is provided with the 3rd web member, and the four side relative with the 3rd side of this display unit piece is provided with the 4th web member that can be rotatably connected with the 3rd web member; First web member of this display screen unit comprises two first fixed blocks that are arranged on the first side of this display unit piece at interval; This second web member comprises one second fixed block; This second fixed block is roughly rectangular parallelepiped, its length just with these two first fixed blocks between distance equate that and the gap between the position of this second fixed block and this two first fixed blocks is relative; This second web member also comprises two limit fixed blocks that are positioned at these two first fixed block both sides; Distance between each limit fixed block and this second fixed block just equals the length of one first fixed block; The 3rd web member comprises the 3rd fixed block of the 3rd side that this display unit piece is set; The 4th web member comprises that the 4th fixed block of the four side that this display unit piece is set is arranged in the perpendicular dial axis of the 4th fixed block with sliding; The shaped position of the 4th fixed block is just complementary with the 3rd fixed block of another display unit piece, so that should can match with the vertical pivot hole of this another display unit piece by perpendicular dial axis.
2. display screen unit according to claim 1; It is characterized in that: offer the first transverse axis hole in each first fixed block; This second web member comprises and corresponding second fixed block of these two first fixed blocks and two horizontal dial axises; This second horizontal dial axis activity is contained in this second fixed block, and can cooperate with this first transverse axis hole.
3. display screen unit according to claim 2 is characterized in that: this first web member comprises that also activity is contained in the coupling shaft in the first transverse axis hole of each first fixed block, offers the second transverse axis hole that can cooperate with this coupling shaft in each limit fixed block.
4. LED display; Comprise arm; Be located on this arm suspension ring and with a plurality of display screen units that this arm is movably connected, it is characterized in that: each display screen unit comprises the display unit piece; The first side of this display unit piece is provided with first web member; The second side relative with this first side of this display unit piece is provided with second web member that can be rotatably connected with this first web member, and the 3rd side of this display unit piece is provided with the 3rd web member, and the four side relative with the 3rd side of this display unit piece is provided with the 4th web member that can be rotatably connected with the 3rd web member; First web member of this display screen unit comprises two first fixed blocks that are arranged on the first side of this display unit piece at interval; This second web member comprises one second fixed block; This second fixed block is roughly rectangular parallelepiped, its length just with these two first fixed blocks between distance equate that and the gap between the position of this second fixed block and this two first fixed blocks is relative; This second web member also comprises two limit fixed blocks that are positioned at these two first fixed block both sides; Distance between each limit fixed block and this second fixed block just equals the length of one first fixed block; The 3rd web member comprises the 3rd fixed block of the 3rd side that this display unit piece is set; The 4th web member comprises that the 4th fixed block of the four side that this display unit piece is set is arranged in the perpendicular dial axis of the 4th fixed block with sliding; The shaped position of the 4th fixed block is just complementary with the 3rd fixed block of another display unit piece, so that should can match with the vertical pivot hole of this another display unit piece by perpendicular dial axis.
5. LED display according to claim 4; It is characterized in that: offer the first transverse axis hole in each first fixed block; This second web member comprises second fixed block and two the horizontal dial axises between these two first fixed blocks; These two horizontal dial axis activities are contained in this second fixed block, and can cooperate with this first transverse axis hole.
6. LED display according to claim 5; It is characterized in that: this first web member comprises that also activity is contained in the coupling shaft in the first transverse axis hole of each first fixed block; This second web member also comprises two limit fixed blocks that are positioned at these two first fixed block both sides, offers the second transverse axis hole that can cooperate with this coupling shaft in each limit fixed block.
7. LED display according to claim 6 is characterized in that: this arm is provided with the 5th fixed block and two fingers between these two first fixed blocks, and these two finger activities are contained in the 5th fixed block, and can cooperate with this first transverse axis hole.
8. LED display according to claim 4; It is characterized in that: this arm one end forms first linking arm; The other end forms second linking arm that can cooperate with first linking arm of another arm; This LED display also comprises the locking member that flexibly connects this first linking arm and this second linking arm, through regulating this locking member to change formed angle between this arm and other arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100603236A CN102136226B (en) | 2011-03-14 | 2011-03-14 | Display screen unit and led display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100603236A CN102136226B (en) | 2011-03-14 | 2011-03-14 | Display screen unit and led display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102136226A CN102136226A (en) | 2011-07-27 |
| CN102136226B true CN102136226B (en) | 2012-12-26 |
Family
ID=44295992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100603236A Expired - Fee Related CN102136226B (en) | 2011-03-14 | 2011-03-14 | Display screen unit and led display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102136226B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208238B (en) * | 2013-04-01 | 2015-11-11 | 杭州士兰控股有限公司 | LED display, LED module assembly and assembly and disassembly method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533588A (en) * | 2009-04-15 | 2009-09-16 | 幸琳 | Installing structure for LED display screen and the LED display screen |
| CN201425825Y (en) * | 2009-04-30 | 2010-03-17 | 慧明光电(深圳)有限公司 | Led mobile display screen |
| CN101777288A (en) * | 2009-11-13 | 2010-07-14 | 深圳市齐普光电子有限公司 | Foldable aerial ladder display screen |
| CN202003618U (en) * | 2011-03-14 | 2011-10-05 | 深圳蓝普科技有限公司 | Display screen unit and led display screen |
-
2011
- 2011-03-14 CN CN2011100603236A patent/CN102136226B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533588A (en) * | 2009-04-15 | 2009-09-16 | 幸琳 | Installing structure for LED display screen and the LED display screen |
| CN201425825Y (en) * | 2009-04-30 | 2010-03-17 | 慧明光电(深圳)有限公司 | Led mobile display screen |
| CN101777288A (en) * | 2009-11-13 | 2010-07-14 | 深圳市齐普光电子有限公司 | Foldable aerial ladder display screen |
| CN202003618U (en) * | 2011-03-14 | 2011-10-05 | 深圳蓝普科技有限公司 | Display screen unit and led display screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102136226A (en) | 2011-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106847093B (en) | A kind of flexible display apparatus | |
| US8424830B2 (en) | Holder for tablet personal computer | |
| CN202003618U (en) | Display screen unit and led display screen | |
| US20120223194A1 (en) | Support stand for electronic device | |
| EP4167214A1 (en) | Foldable display device | |
| CN105761615A (en) | Foldable display apparatus | |
| US10356922B2 (en) | Middle frame and flexible display device | |
| US20140362509A1 (en) | Electronic device with detachable tablet computer | |
| CN207250081U (en) | A kind of quick detachable double rod type advertising framework | |
| CN107806028A (en) | A kind of convenience in transport and the interim billboard of combined type urban road for being conveniently adjusted display content | |
| CN207115245U (en) | Terminal | |
| CN102136226B (en) | Display screen unit and led display screen | |
| CN203055363U (en) | Flexible light emitting diode (LED) screen capable of being folded freely | |
| WO2020135147A1 (en) | Mobile terminal | |
| CN205376040U (en) | Folded cascade background lamp house | |
| US20150092447A1 (en) | Apparatus for compensating image of display and display assembly | |
| US10662704B2 (en) | Window with display function and house using the same | |
| CN104809958A (en) | Display screen | |
| US20240107691A1 (en) | Multi-directional multi-joint turning piece and display device thereof | |
| KR20130006041U (en) | Foldable Display Panel | |
| CN106931510A (en) | A kind of split type air-cooled ducted air conditioner | |
| CN201523495U (en) | Electronic device and shell thereof | |
| CN205318055U (en) | Backplate, backlight unit and display device | |
| CN203987164U (en) | Rotary showcase | |
| CN205862716U (en) | A kind of support can assembled folding digital signage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |