CN110428747A - A kind of building brightening wire drawing display screen - Google Patents

A kind of building brightening wire drawing display screen Download PDF

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Publication number
CN110428747A
CN110428747A CN201910727606.8A CN201910727606A CN110428747A CN 110428747 A CN110428747 A CN 110428747A CN 201910727606 A CN201910727606 A CN 201910727606A CN 110428747 A CN110428747 A CN 110428747A
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CN
China
Prior art keywords
display screen
wire drawing
spool
drawing display
lower frame
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Granted
Application number
CN201910727606.8A
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Chinese (zh)
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CN110428747B (en
Inventor
曹海波
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Hefei Dashi Photoelectric Technology Co.,Ltd.
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曹海波
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Priority to CN201910727606.8A priority Critical patent/CN110428747B/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention discloses a kind of building brightening wire drawing display screens, including whole wire drawing display screen, the entirety wire drawing display screen includes several wire drawing display screen columns, the wire drawing display screen column includes upper ledge and lower frame, several wire pipe is provided between the upper ledge and lower frame, winding space and electric appliance space are provided with inside the upper ledge and lower frame, the electric appliance space interior is provided with PCB soft board, conducting slip ring is electrically connected at the top of the PCB soft board, Scroll is fixedly connected at the top of the conducting slip ring, through electric appliance space and winding top of space rotation connection at the top of the Scroll, Scroll of the spool both ends respectively with upper ledge and lower frame is bolted.The present invention carries out that traditional LED is replaced to show lamp bar setting, keeps lighting effects relatively sharp by using the combination of spool and lamp bead, improve the permeability of the device, increase the installation effectiveness of the device, and reduces the installation cost of the device and the whole production cost of the device.

Description

A kind of building brightening wire drawing display screen
Technical field
The present invention relates to lighting engineering technical field, in particular to a kind of building brightening wire drawing display screen.
Background technique
Just there is the custom for seeing lamp reward scape in China since ancient times, and the happy festival time on Lantern Festival, which holds, sees lamp rally, and it is all kinds of to go up suspension Color lamp, it is brilliantly illuminated.Nowadays people can also can not help hanging up lanterns and coloured festoons in happy festival time, celebrating day and expressing happiness.Lamp text Change be in happy and peace environment, people 's material life improve after, the displaying to cultural life requirements at the higher level, city of turning one's head The historical progress in city and architectural development, we are it will be clear that light technology and light culture with city and build synchronized development Advance footprint, it also seen that daylighting illumination technological progress to city and building looks and Modern Urban Living produce it is how important Effect, with the development of economy with the raising of living standards of the people, China's urban landscape brightening show cause more than short ten It is grown rapidly in year, and achieves splendid fruits.
However, being generally mostly that mounted LED lamp carries out brightening setting, still, using LED light in the lighting engineering of building Equipment of the pipe as lighting engineering avoids glass window since LED lamp tube can be only installed at the position of entity load bearing wall Position causes spacing between LED lamp tube larger, causes clarity poor, and the ancillary equipment needed in installation process is excessive, Cause cost excessively high, installation is complicated.
Therefore, it is necessary to solve the above problems to invent a kind of building brightening wire drawing display screen.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of building brightening wire drawing display screen, by using spool and The combination of lamp bead carries out that traditional LED is replaced to show lamp bar setting, keeps lighting effects relatively sharp, improve the penetrating of the device Property, increase the installation effectiveness of the device, and reduce the installation cost of the device and the whole production cost of the device, with Solve the problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme: a kind of building brightening wire drawing display screen, including entirety Wire drawing display screen, the entirety wire drawing display screen includes several wire drawing display screen columns, and the wire drawing display screen column includes Upper ledge and lower frame are provided with several wire pipe, winding are provided with inside the upper ledge and lower frame between the upper ledge and lower frame Space and electric appliance space, the electric appliance space interior are provided with PCB soft board, are electrically connected with conductive cunning at the top of the PCB soft board Ring, the conducting slip ring top are fixedly connected with Scroll, electric appliance space and winding top of space are run through at the top of the Scroll Rotation connection, Scroll of the spool both ends respectively with upper ledge and lower frame are bolted, and the Scroll, which is located at, runs through position It is provided with mechanical seal, the conducting slip ring side is provided with shaft, and the shaft surface wrap is connected with bourdon tube, the bullet Reed pipe one end is fixedly connected with conducting slip ring surface, and the winding top of space is provided with clear PE plate, the winding space one Side opens up cable tube import, and the spool is internally provided with light bar, and the spool upper surface offers lamp hole, and the light bar is located at Lamp hole position is electrically connected with lamp bead, and the upper surface flush at the top of lamp bead and spool, the two of light bar in the spool End is sealed set through the position of Scroll respectively by being electrically connected inside Scroll with conducting slip ring.
Preferably, the front surface of the upper ledge and lower frame offers the first locking slot, sets inside first locking slot It is equipped with locking buckle, the locking buckle top and both ends offer locking hole, and the upper ledge and lower frame both ends offer Second locking slot, second locking slot are internally provided with latch segment.
Preferably, the light bar on the wire drawing display screen column and lamp bead form a circuit, and the entirety wire drawing is shown Screen is in parallel setting using the circuit of several wire drawing display screen columns.
Preferably, the spool is made of stainless pipe corrugated flexible hose material, and the diameter of spool is 5-8mm, institute It states the cross sectional shape of spool to be arranged for arc, the retention radian that radian is circular 3/5, and upper surface is plane setting.
Preferably, the light bar is arranged using silica gel soft board material, and light bar be located at the two neighboring lamp bead in spool inside it Between one section of length be greater than the length between two lamp beads.
Preferably, the distance between same described two neighboring lamp bead in spool surface is 10-5000mm, two neighboring institute Stating the distance between spool is 10-5000mm.
Preferably, the height in the winding space and the height of spool match, the width and spool of the spool import Width match.
Preferably, the lamp hole is sealed with the hole after lamp bead installation using transparent sealant, the spool both ends Sealed set is poured using AB glue.
Preferably, the locking buckle and latch segment are respectively between the first locking slot and the second locking slot and locating piece Sunk screw is all made of between locating slot to be fixed, and its fix sunk screw at the top of using glass cement cover it is close Envelope.
Preferably, the locking buckle is the U-shaped setting equipped with flange, the thickness difference of the locking buckle and latch segment With the deep equality of the first locking slot and the second locking slot.
Technical effect and advantage of the invention:
1, the present invention carries out that traditional LED is replaced to show lamp bar setting, effectively by using the combination of spool and lamp bead Intensive nature through wire-passing tube and lamp bead reduces the distance between adjacent lamps, keeps lighting effects relatively sharp, and successfully cover The shade of spool and frame has been covered, has effectively improved the permeability of the device, and using multiple plates assemble integral The mode of pattern, increases the installation effectiveness of the device, and reduces the whole production of the installation cost and the device of the device Cost.
2, the present invention is winding spool using by way of winding between spool both ends, to make each drawing Silk display screen column has the effect of winding, consequently facilitating storing to the device, and aobvious by the independent wire drawing of lamp bead The setting of display screen column repairs replacement convenient for more devices.
Detailed description of the invention
Fig. 1 is whole wire drawing display screen structure schematic diagram of the invention;
Fig. 2 is wire drawing display screen column structural schematic diagram of the invention;
Fig. 3 is upper ledge of the invention and lower frame schematic diagram of internal structure;
Fig. 4 is wire tube structure main sectional view of the invention;
Fig. 5 is the left cross-sectional view of wire tube structure of the invention;
Fig. 6 is the portion A structural schematic diagram in Fig. 1 of the invention;
Fig. 7 is the portion B structural schematic diagram in Fig. 1 of the invention;
Fig. 8 is locking buckle structural schematic diagram of the invention.
In figure: 1, whole wire drawing display screen;2, wire drawing display screen column;3, upper ledge;4, lower frame;5, spool;6, winding is empty Between;7, electric appliance space;8, PCB soft board;9, conducting slip ring;10, Scroll;11, mechanical seal;12, shaft;13, bourdon tube; 14, clear PE plate;15, spool import;16, light bar;17, lamp hole;18, lamp bead;19, the first locking slot;20, locking buckle;21, Locking hole;22, the second locking slot;23, latch segment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of building brightening wire drawing display screen according to shown in Fig. 1-8, including whole wire drawing display screen 1, the whole drawing Silk display screen 1 include several wire drawing display screen columns 2, the wire drawing display screen column 2 include upper ledge 3 and lower frame 4, it is described on It is provided with several wire pipe 5 between frame 3 and lower frame 4, winding space 6 is provided with inside the upper ledge 3 and lower frame 4 and electric appliance is empty Between 7, the electric appliance space 7 is internally provided with PCB soft board 8, is electrically connected with conducting slip ring 9 at the top of the PCB soft board 8, passes through Equipped with conducting slip ring 9, while being conducive to rotate Scroll 10, the position of light bar 16 is not influenced, to prevent light bar 16 from twining Around, it is fixedly connected with Scroll 10 at the top of the conducting slip ring 9, it is empty through electric appliance space 7 and winding at the top of the Scroll 10 Between 6 top rotation connection, Scroll 10 of 5 both ends of spool respectively with upper ledge 3 and lower frame 4 is bolted, by spool 5 Spool 5 is wound by the way of winding between both ends, so that each wire drawing display screen column 2 be made to have winding Effect, consequently facilitating being stored to the device, and by the setting of the independent wire drawing display screen column 2 of lamp bead 18, convenient for more The device repairs replacement, and the Scroll 10, which is located at, is provided with mechanical seal 11 through position, by being equipped with mechanical seal 11, be conducive to wind space 6 and be sealed with electric appliance space 7 to be isolated, thus prevent 7 inner inlet of electric appliance space moist, institute It states 9 side of conducting slip ring and is provided with shaft 12,12 surface wrap of shaft is connected with bourdon tube 13, described 13 one end of bourdon tube It is fixedly connected with 9 surface of conducting slip ring, clear PE plate 14 is provided at the top of the winding space 6,6 side of winding space is opened Equipped with spool import 15, the spool 5 is internally provided with light bar 16, and 5 upper surface of spool offers lamp hole 17, and lamp bead 18 Top and spool 5 upper surface flush, the light bar 16 is located at 17 position of lamp hole and is electrically connected with lamp bead 18, the line The both ends of light bar 16 are passed through 10 inside of Scroll respectively and are electrically connected with conducting slip ring 9 in pipe 5, and run through the position of Scroll 10 It by using the combination of spool 5 and lamp bead 18 carries out that traditional LED is replaced to show lamp bar setting for sealed set, it is effective to pass through The intensive nature of wire-passing tube 5 and lamp bead 18 reduces the distance between adjacent lamps, keeps lighting effects relatively sharp, and successfully The shade of spool 5 and frame is masked, effectively improves the permeability of the device, and using multiple plates be assembled into whole The mode of body pattern, increases the installation effectiveness of the device, and reduces the entirety life of the installation cost and the device of the device Produce cost.
Further, in the above-mentioned technical solutions, the front surface of the upper ledge 3 and lower frame 4 offers the first locking slot 19, first locking slot 19 is internally provided with locking buckle 20, and 20 top of locking buckle and both ends offer locking Hole 21, the upper ledge 3 and 4 both ends of lower frame offer the second locking slot 22, and second locking slot 22 is internally provided with locking Several individual wire drawing display screen columns 2 are formed positive one whole wire drawing using locking buckle 20 and latch segment 23 by block 23 Display screen 1.
Further, in the above-mentioned technical solutions, the light bar 16 on the wire drawing display screen column 2 and lamp bead 18 form one A circuit, the entirety wire drawing display screen 1 are in parallel setting using the circuit of several wire drawing display screen columns 2, are conducive to pair Each individual wire drawing display screen column 2 is powered, to prevent powered down, causes 18 brightness of lamp bead different.
Further, in the above-mentioned technical solutions, the spool 5 is made of stainless steel ripple hose material, and spool 5 Diameter be 5-8mm, the cross sectional shape of the spool 5 is that arc is arranged, radian for circular 3/5 retention radian, And upper surface is plane setting, reduces the space of blocking of the device, increases permeability.
Further, in the above-mentioned technical solutions, the light bar 16 is arranged using silica gel soft board material, and light bar 16 is located at One section of length between the 5 two neighboring lamp bead 18 in inside of spool is greater than the length between two lamp beads 18, is conducive in spool 5 When winding, prevents light bar 16 from pullling relatively tight, light bar 16 and lamp bead 18 is caused to disconnect.
Further, in the above-mentioned technical solutions, the distance between same two neighboring lamp bead 18 in 5 surface of the spool For 10-5000mm, the distance between the two neighboring spool 5 is 10-5000mm, can change phase into shape according to actual needs Mutual spacing.
Further, in the above-mentioned technical solutions, the height in the winding space 6 matches with 5 height of spool, the line The width of pipe import 15 and the width of spool 5 match, and prevent spool 5 from generating distortion in wrapup procedure, and lamp bead 18 is caused to be shone Bright position changes.
Further, in the above-mentioned technical solutions, the hole after the lamp hole 17 is installed with lamp bead 18 uses transparent sealing Glue is sealed, and 5 both ends of spool are poured sealed set using AB glue, carries out water-proofing treatment.
Further, in the above-mentioned technical solutions, the locking buckle 20 and latch segment 23 respectively with the first locking slot 19 And second between locking slot 22 and be all made of sunk screw between locating piece and locating slot and be fixed, and its countersunk head for fixing Screw head carries out covering sealing using glass cement, prevents from getting rusty from sunk screw, is not easy to dismantle.
Further, in the above-mentioned technical solutions, the locking buckle 20 is the U-shaped setting equipped with flange, the locking The thickness deep equality with the first locking slot 19 and the second locking slot 22 respectively of buckle 20 and latch segment 23.
Working principle of the present invention:
Referring to Figure of description 1-8, when individual wire drawing pinup is carried out in use, due to spool 5 both ends respectively with The Scroll 10 of upper ledge 3 and lower frame 4 is screwed, and is connect by Scroll 10 with conductive slider, 16 sliding block of light bar and bullet Reed pipe 13 connects, to make the spool 5 on Scroll 10 be detached from when tearing upper ledge 3 and lower frame 4, by wire drawing display screen column 2 It pulls open, and during pulling open, bourdon tube 13 is made to be wound to the surface of conducting slip ring 9, when needing wire drawing display screen version Block 2, which is packed up, to be made, will be carried out between upper ledge 3 and lower frame 4 it is close to each other, under the action of bourdon tube 13, drive Scroll 10 rotate, It, will be upper so as to wind the spool 5 on each individual wire drawing display screen column 2 to wind spool 5 again Frame 3 is bonded with 4 alloy of lower frame, to change the occupied space of wire drawing display screen column 2, is convenient for storing, when to the device It carries out by pulling upper ledge 3 and lower frame 4, showing wire drawing in use, taking out several individual wire drawing display screen columns 2 Shield 2 spread apart of column, the installation site of building is installed, and multiple wire drawing display screen columns 2 are assembled, will be drawn Silk display screen column 2 is aligned, and using locking buckle 20 and latch segment 23, several individual wire drawing display screen columns 2 are formed Positive one whole wire drawing display screen 1 effectively changes lamp to carry out the integral wire drawing display screen 1 of group using multiple lamp beads 18 The distance between pearl 18 changes fluorescent tube effect, increases the clarity of fluorescent tube, and carry out by multiple wire drawing display screen columns 2 Assembling reduces complexity when installation, convenient for installing to the device, reduces installation cost, and by the way of spool 5 It is folded with, substitutes the setting of fluorescent tube, and reduce lateral shielded area, to effectively increase the intensive of light Degree, to increase the device permeability.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (10)

1. a kind of building brightening wire drawing display screen, including whole wire drawing display screen (1), it is characterised in that: the entirety wire drawing is aobvious Display screen (1) includes several wire drawing display screen columns (2), and the wire drawing display screen column (2) includes upper ledge (3) and lower frame (4), It is provided with several wire pipe (5) between the upper ledge (3) and lower frame (4), is provided with inside the upper ledge (3) and lower frame (4) It winds space (6) and electric appliance space (7), the electric appliance space (7) is internally provided with PCB soft board (8), PCB soft board (8) top Portion is electrically connected with conducting slip ring (9), is fixedly connected with Scroll (10), the Scroll at the top of the conducting slip ring (9) (10) top through electric appliance space (7) and winding space (6) at the top of be rotatablely connected, spool (5) both ends respectively with upper ledge (3) It is bolted with the Scroll (10) of lower frame (4), the Scroll (10), which is located at, is provided with mechanical seal (11), institute through position It states conducting slip ring (9) side to be provided with shaft (12), shaft (12) surface wrap is connected with bourdon tube (13), the spring Pipe (13) one end is fixedly connected with conducting slip ring (9) surface, is provided with clear PE plate (14), institute at the top of the winding space (6) It states winding space (6) side to open up cable tube import (15), the spool (5) is internally provided with light bar (16), the spool (5) Upper surface offers lamp hole (17), and the light bar (16) is located at lamp hole (17) position and is electrically connected with lamp bead (18), and lamp bead (18) the upper surface flush at top and spool (5), Scroll is passed through at the both ends of light bar (16) respectively in the spool (5) (10) internal to be electrically connected with conducting slip ring (9), and be sealed set through the position of Scroll (10).
2. a kind of building brightening wire drawing display screen according to claim 1, it is characterised in that: the upper ledge (3) and lower frame (4) front surface offers the first locking slot (19), and first locking slot (19) is internally provided with locking buckle (20), institute It states at the top of locking buckle (20) and both ends offers locking hole (21), the upper ledge (3) and lower frame (4) both ends offer the Two locking slots (22), second locking slot (22) are internally provided with latch segment (23).
3. a kind of building brightening wire drawing display screen according to claim 1, it is characterised in that: the wire drawing display screen column (2) light bar (16) and lamp bead (18) on form a circuit, and the entirety wire drawing display screen (1) is shown using several wire drawings The circuit of screen column (2) is in parallel setting.
4. a kind of building brightening wire drawing display screen according to claim 1, it is characterised in that: the spool (5) is not using Rust tube wave line hose material is made, and the diameter of spool (5) is 5-8mm, and the cross sectional shape of the spool (5) sets for arc It sets, the retention radian that radian is circular 3/5, and upper surface is plane setting.
5. a kind of building brightening wire drawing display screen according to claim 1, it is characterised in that: the light bar (16) uses silicon The setting of glue soft board material, and one section of the length that light bar (16) is located between the internal two neighboring lamp bead (18) of spool (5) is greater than Length between two lamp beads (18).
6. 1 a kind of building brightening wire drawing display screen according to claim, it is characterised in that: the same spool (5) The distance between two neighboring lamp bead in surface (18) is 10-5000mm, and the distance between two neighboring described spool (5) is 10- 5000mm。
7. a kind of building brightening wire drawing display screen according to claim 1, it is characterised in that: winding space (6) Height mutually matches with spool (5) height, and the width of the width and spool (5) of the spool import (15) matches.
8. a kind of building brightening wire drawing display screen according to claim 1, it is characterised in that: the lamp hole (17) and lamp bead (18) hole after installing is sealed using transparent sealant, and spool (5) both ends are poured sealed set using AB glue.
9. a kind of building brightening wire drawing display screen according to claim 2, it is characterised in that: the locking buckle (20) and Latch segment (23) is adopted between the first locking slot (19) and the second locking slot (22) and between locating piece and locating slot respectively It is fixed with sunk screw, and its sunk screw top fixed carries out covering sealing using glass cement.
10. a kind of building brightening wire drawing display screen according to claim 2, it is characterised in that: the locking buckle (20) For the U-shaped setting equipped with flange, the thickness of the locking buckle (20) and latch segment (23) respectively with the first locking slot (19) and The deep equality of second locking slot (22).
CN201910727606.8A 2019-08-07 2019-08-07 Building brightening wire drawing display screen Active CN110428747B (en)

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Application Number Priority Date Filing Date Title
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CN110428747B CN110428747B (en) 2021-03-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114314210A (en) * 2021-11-23 2022-04-12 安徽中晖照明科技有限责任公司 Building brightening wire drawing display screen
CN116928614A (en) * 2022-04-06 2023-10-24 合肥达视光电科技有限公司 Wire drawing display screen rolling lamp area

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US20110109235A1 (en) * 2009-11-10 2011-05-12 Link Uu Expandable and controllable LED lighting strip
CN102194383A (en) * 2011-05-09 2011-09-21 王伟 Lift-type soft light emitting diode (LED) display screen
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CN205807339U (en) * 2016-05-04 2016-12-14 广州艺尚灯光科技有限公司 A kind of kinetic energy lamp bar lowering or hoisting gear
CN207849054U (en) * 2018-02-02 2018-09-11 深圳市渠能成光电有限公司 A kind of flexible LED lamp bar for region brightening
CN208605965U (en) * 2018-05-07 2019-03-15 安徽好家工艺品有限公司 A kind of Portable LED lamp band

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Publication number Priority date Publication date Assignee Title
US20110109235A1 (en) * 2009-11-10 2011-05-12 Link Uu Expandable and controllable LED lighting strip
CN101887664A (en) * 2010-05-21 2010-11-17 刘延平 Automatically winding and unwinding flexible LED curtain screen
CN202048440U (en) * 2011-04-19 2011-11-23 张东升 LED solid lamp strip
CN102194383A (en) * 2011-05-09 2011-09-21 王伟 Lift-type soft light emitting diode (LED) display screen
CN205807339U (en) * 2016-05-04 2016-12-14 广州艺尚灯光科技有限公司 A kind of kinetic energy lamp bar lowering or hoisting gear
CN207849054U (en) * 2018-02-02 2018-09-11 深圳市渠能成光电有限公司 A kind of flexible LED lamp bar for region brightening
CN208605965U (en) * 2018-05-07 2019-03-15 安徽好家工艺品有限公司 A kind of Portable LED lamp band

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114314210A (en) * 2021-11-23 2022-04-12 安徽中晖照明科技有限责任公司 Building brightening wire drawing display screen
CN114314210B (en) * 2021-11-23 2024-04-12 安徽中晖照明科技有限责任公司 Building brightening wire drawing display screen
CN116928614A (en) * 2022-04-06 2023-10-24 合肥达视光电科技有限公司 Wire drawing display screen rolling lamp area

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