CN105702175A - Lamp protection structure of LED display screen - Google Patents
Lamp protection structure of LED display screen Download PDFInfo
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- CN105702175A CN105702175A CN201610181201.5A CN201610181201A CN105702175A CN 105702175 A CN105702175 A CN 105702175A CN 201610181201 A CN201610181201 A CN 201610181201A CN 105702175 A CN105702175 A CN 105702175A
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- pedestal
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- protection structure
- lamp protection
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating 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
- G09F9/33—Indicating 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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- Theoretical Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a lamp protection structure of an LED display screen. The lamp protection structure is arranged on a box body frame and is characterized by comprising a base (1) and a base accommodating portion (2) arranged on the box body frame, a sliding column (11), a spring (12) and positioning nails (13) are arranged at the bottom of the base (1), a sliding groove (21) and first positioning holes (22) are formed in the base accommodating portion (2), the sliding column (11) penetrates through the sliding groove (21) and is sleeved with the spring (12), one end of the spring (12) is limited at the end of the sliding column (11), and the other end of the spring (12) abuts against the edge of the sliding groove (21), and when the sliding column (11) slides in the sliding groove (21) to arrange the positioning nails (13) in the first positioning holes (22), the local portion of the base (1) is externally arranged on the box body frame. The novel structural scheme is provided for protection of lamp beads on edges or at corners, and the lamp protection structure is convenient and quick to operate and good in applicability and stability and does not affect the splicing effect of a box body.
Description
Technical field
The present invention relates to display screen technology field, structure protected by the lamp particularly to a kind of LED display。
Background technology
Tradition Small Distance LED display is not provided with guard lamp device, owing to the single casing of LED display is due to industrial nature, it is designed as Rimless mechanism, and electroluminescent lamp bead amasss little, lamp bead tin cream welds on a printed circuit board, the lamp bead at the most edge of casing receives small encounters or during External Force Acting, will come off or damage, cause product energy bad, maintenance or one lamp bead of replacing are also very difficult, if the pad on circuit board damages, it is likely to directly contribute and cannot keep in repair, whole casing can whole because of a lamp bead damaged be scrapped, cause heavy economic losses。
Also have part Small Distance LED display to take additional accessory to carry out guard lamp, namely by screw or additive method, one protection limit is installed at casing edge, it is achieved the purpose of guard lamp；The method installs trouble, when splicing casing, it is necessary to being dismantled by additional accessory, process is loaded down with trivial details, and the additional accessory disassembled also is easily lost。
Summary of the invention
It is an object of the invention to provide the protection structure implementation of a kind of LED display edge or corner lamp bead, it can overcome the deficiencies in the prior art or the realization for lamp protection to provide a kind of new organization plan。
For achieving the above object, the lamp protection structure of a kind of LED display of the present invention, it is arranged at casing frame, it is characterised in that include pedestal and be arranged at the pedestal accommodation portion of casing frame；Described base bottom is provided with traveller, spring and locating pin；Described pedestal accommodation portion is provided with sliding tray and the first hole, location；Described traveller is through sliding tray, and described spring housing is on traveller, and spring one end is limited to the edge of traveller end, the other end and sliding tray and offsets；When traveller slide in sliding tray make locating pin be placed in the first hole, location time, pedestal local external is in casing frame。In order to realize better protected effect; locating pin can have two; it is distributed in traveller both sides; the first corresponding hole, location has two; it is distributed in sliding tray both sides, so, when lamp protection structure is opened; under the elastic force effect of spring, locating pin is firmly limited in the first hole, location, and then makes pedestal also more firmly be limited on casing frame。Pedestal protrudes the part outside casing frame can bear bigger impact force/pressure, improves the protected effect of corresponding edge/corner lamp bead。
Preferably, described pedestal accommodation portion is additionally provided with the second hole, location, when traveller slide in sliding tray make locating pin be placed in the second hole, location time, pedestal entirety is contained in pedestal accommodation portion。So; when lamp protection structure is closed; under the elastic force effect of spring, locating pin is firmly limited in the second hole, location; it is possible not only to make base-plates surface and jamb surface be maintained at same plane, it is to avoid the box body splicing problem that protection structure is additionally brought, as spliced; hinder splicing; cause splicing gap big, it addition, it also avoid being opened accidentally of lamp protection structure。
Preferably, described pedestal also includes back-up ring, and described spring one end is limited to traveller end by back-up ring, as such, it is possible to improve the installation effectiveness of spring, also better plays the elastic force effect of spring。
Preferably, described pedestal also includes handle, operating groove and Magnet, and described handle one end is connected with pedestal by rotating shaft；When described handle closes, handle is contained in operating groove, and its other end is by magnet adsorption；Handle is opened and is carried outward, makes locating pin position hole, hole/the second location with first and separates, and traveller slides to open or close described lamp protection structure in sliding tray。In order to meet the needs of frivolous display screen; handle can adopt mini irony handle; by above-mentioned structure; handle can well be collected in pedestal; and prevent from being opened accidentally by Magnet effect; avoid the box body splicing problem additionally brought because of handle; as spliced; hinder splicing, cause splicing gap big, simultaneously; handle can quickly be opened by this structure; and carry outside this handle under power effect, make traveller can better overcome the elastic force of spring to realize sliding in sliding tray, and then realize lamp protection structure and quickly open or close。
Preferably, described pedestal accommodation portion is additionally provided with step trough, boss；Described pedestal is provided with the protuberance mated with step trough；Described first hole, location is located on boss, and described second hole, location is located in step trough, and described traveller and locating pin are located on the protuberance of pedestal。So, when lamp protection structure is closed, coordinating of the protuberance of step trough and pedestal, it is possible to the stability of raising closed mode；And lamp protection structure is when opening; existence due to boss; pedestal vertical displacement distance increases; the distance that spring is compressed also increases; improve the elastic force of spring, make that locating pin is more firm to be limited in the first hole, location, and then also make pedestal more firmly be limited on casing frame; and then make pedestal protrusion part outside casing frame can bear bigger impact force/pressure, improve the protected effect of corresponding edge/corner lamp bead。
Preferably, described pedestal accommodation portion is located at the edge of casing frame；Described sliding tray extends to boss from step trough to direction, corner。So, pedestal outwards skids off when protecting structure to open on lamp, and pedestal has the local external of both direction at casing frame, and namely lamp protection structure can protect the collision of this angle both direction simultaneously, protects the lamp bead at two edges simultaneously。Equally, described pedestal accommodation portion has two first holes, location and hole, two second location, and the first hole, location positions the line successively in hole in the rhombus tilted to casing frame corner with second, it is possible to improve this protected effect further。
Preferably, described pedestal accommodation portion has two first holes, location and hole, two second location, and two first location pore size distributions are in sliding tray both sides；Second location pore size distribution is in sliding tray both sides；Described pedestal is provided with two locating pins, and two locating pins are distributed in traveller both sides。So, that can improve lamp protection structure further puts collision energy, improves the stability of lamp protection structure closedown or open mode, it is ensured that lamp protection structure quickly opens and closes。
Preferably, described pedestal accommodation portion is additionally provided with locking groove, and described pedestal is provided with stop protrusion, and when described lamp protects structure to completely close, stop protrusion is placed in locking groove。As such, it is possible to when making lamp protection structure close, settle at one go, it is to avoid regulate back and forth。
Preferably, described pedestal accommodation portion is located at four edges of casing frame, and pedestal is provided with the baffle plate covering whole casing front。So, lamp protection structure is to except protecting except the lamp bead at edge or corner, it is possible to the lamp bead of whole casing is protected。Avoid the damage to lamp in vanning, transportation。
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to the structure according to these accompanying drawings obtains other accompanying drawing。
Fig. 1 is one of base construction schematic diagram；
Fig. 2 is the two of base construction schematic diagram；
Fig. 3 is one of pedestal accommodation portion structural representation；
Fig. 4 is the two of pedestal accommodation portion schematic diagram；
Fig. 5 is lamp of the present invention protection structure full open position schematic diagram；
Fig. 6 is lamp of the present invention protection structure completely closed state schematic diagram；
Fig. 7 is the operation chart that lamp of the present invention protection structure is opened；
Fig. 8 is the present invention scheme of installation at casing。
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing。
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of preferred embodiment of the present invention, rather than whole embodiments。Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention。
Need explanation, directional instruction in the embodiment of the present invention (such as up, down, left, right, before and after ...) is only for explaining relative position relation between each parts, motion conditions etc. under a certain particular pose (as shown in drawings), if this particular pose changes, then directionality instruction also correspondingly changes therewith。
Additionally, in the present invention only to relating to structure that technical problem solves, composition proposal is when being described, for the structure of known necessity, part and annexation, although below not do not describe, but it is not equal in technical scheme to be absent from, more should not become insufficient disclosure reason。
Embodiment one
Referring to figs. 1 to 4, it it is the structural representation of the lamp protection organization plan of a kind of LED display of the present invention。Whole lamp protection structure is made up of two large divisions, i.e. pedestal 1 and pedestal accommodation portion 2。Wherein Fig. 1 and Fig. 2 is the structural representation of 1 two different directions of pedestal, and Fig. 3 and Fig. 4 is the structural representation of 2 two different directions in pedestal accommodation portion。With reference to Fig. 2, the bottom of pedestal 1 is provided with traveller 11, spring 12 and locating pin 13。Traveller 11 and locating pin 13 can be one-body molded with pedestal 1, it is also possible to be the bottom being separately mounted to pedestal 1 later stage。The quantity of locating pin 13 and distribution can be determined according to being embodied as needing, it is preferable that scheme is 2 locating pins 13, and locating pin 13 lays respectively at the both sides of traveller 11。With reference to Fig. 3 and 4, pedestal accommodation portion 2 is provided with sliding tray 21, first and positions hole 22 and the second hole 23, location。According to being embodied as needs, pedestal accommodation portion 2 can be arranged on the diverse location of casing frame。In preferred version, pedestal accommodation portion 2 is arranged on casing frame two ends, the particularly edge at casing frame two ends, and by the customization of frame die makes frame have the structure in pedestal accommodation portion 2。So, lamp protection structure can protect the lamp bead at two edges simultaneously, it is to avoid it is encountered or during External Force Acting because of small, will come off or damages, also save lamp simultaneously and protect the quantity of structure。As shown in Figure 3; sliding tray 21 extends from scuncheon to C direction, corner; first hole 22, location is positioned at outside; second hole 23, location is positioned at inner side; the line successively in the first hole, location 22 and the second hole 23, location is in the rhombus to casing frame corner C inclination, so, when lamp protection structure is opened; pedestal 1 can be made to have the A local and B local being placed on frame, and a lamp protection structure plays lamp bead and this corner lamp pearl at two simultaneously corresponding for protection corner C edges。In preferred version, the first hole, location 22 and the second hole 23, location are respectively arranged with two, and are separately positioned on the both sides of sliding tray 21。Such as Fig. 4, sliding tray 21 is the through hole running through whole seal ring thickness。The traveller 11 traverse sliding tray 21 of pedestal 1。And for example Fig. 2 and Fig. 4, spring 12 is enclosed within traveller 11, and spring 12 one end is limited to traveller 11 end, and specifically traveller 11 end is provided with a back-up ring 17, and back-up ring 17 is locked by screw 171。Spring 12 one end and back-up ring 17 offset, and the edge (or the face around sliding tray 21) of the other end and sliding tray 21 offsets。Spring 12 can be directly offset with the edge of sliding tray 21 as shown in Figure 4, other connector (as with the back-up ring of smooth flat, baffle plate, slide plate etc.) can also be fixed on then offset with the edge (or the face around sliding tray 21) of sliding tray 21 again, to improve traveller 11 at sliding tray 21 sliding capability。Pedestal 1 is arranged in pedestal accommodation portion 2 by traveller 11 and spring 12, and limits its displacement in pedestal accommodation portion 2。
As shown in Fig. 2,3,4,5,6, putting low order end when traveller 11 slides in sliding tray 21, when locating pin 13 is placed in the first hole 22, location, pedestal 1 local A and local B is placed on casing frame, and now lamp protection structure is in full open position (see Figure 4 and 5)。Under the elastic force effect of spring 12, locating pin 13 is firmly limited in the first hole, location 22, and then makes pedestal 1 more firmly be limited on casing frame。Pedestal 1 protrudes the local A outside casing frame and local B also can bear bigger impact force/pressure, the better protected effect of performance to edge/corner lamp bead。When traveller 11 slides into high order end in sliding tray 21, when locating pin 13 is placed in the second hole 23, location, pedestal 1 entirety is contained in pedestal accommodation portion 2, now lamp protection structure (see figure 6) in the completely closed state。Preferred version, lamp protection structure is in the completely closed state, and the face that pedestal 1 exposes flushes with the face of corresponding casing frame。So; when lamp protection structure is closed; under the elastic force effect of spring 12, locating pin 13 is firmly limited in the second hole, location 23, is possible not only to make base-plates surface and jamb surface be maintained at same plane; avoid the box body splicing problem that protection structure is additionally brought; as spliced, hinder splicing, cause splicing gap big; it addition, more avoid being opened accidentally of lamp protection structure。
Embodiment two
Referring to figs. 1 to 4, the lamp protection organization plan of LED display can at the basic enterprising one-step optimization of embodiment one, it may be assumed that pedestal accommodation portion 2 is additionally provided with step trough 24 and boss 25；Pedestal 1 is provided with the protuberance 18 mated with step trough 24。Sliding tray 21 extends to boss 25 from step trough 24 to direction, corner。Hole 22, two first location is located on boss 25, and is distributed in sliding tray 21 both sides, and the second hole 23, location is located in step trough 24, and is distributed in sliding tray 21 both sides。Pedestal accommodation portion 2 is additionally provided with locking groove 26, is provided with stop protrusion 19 bottom corresponding pedestal 1, and when described lamp protects structure to completely close, stop protrusion 19 is placed in locking groove 26, it is possible to when making lamp protection structure close, settle at one go, it is to avoid regulate back and forth。It addition, when lamp protection structure is closed, coordinating of the protuberance 18 of step trough 24 and pedestal 1, it is possible to the stability of raising closed mode；And lamp protection structure is when opening; existence due to boss 18; pedestal 1 needs the distance of vertical displacement to increase; the distance that spring 12 is compressed also increases; improve the elastic force of spring 12; make locating pin 13 more firmly be limited in the first hole, location 22, and then also make pedestal 1 also more firmly be limited on casing frame。Pedestal 1 protrudes the local A outside casing frame and local B also can bear bigger impact force/pressure, improves the protected effect of corresponding edge/corner lamp bead。
Embodiment three
Referring to figs. 1 to 8, the lamp protection organization plan of LED display is at the basic enterprising one-step optimization of embodiment one and two。
As it can be seen, pedestal 1 is additionally provided with handle 14, operating groove 15 and Magnet 16。In preferred version, handle 14 is the mini handle of irony, and handle is in T shape。Handle 14 one end is connected with pedestal 1 by structures such as rotating shafts, it is achieved rotate。For convenience of operation, there is in operating groove 15 floor 141 consistent with handle 14 shape。Floor 141 sets Magnet 16。When handle 14 closes, handle 14 is contained in operating groove 15, and overlaps with floor 141, and its other end is adsorbed by Magnet 16。Handle 14 is opened, and rotates to maximum angle and carries outward, it is possible to making locating pin 13 position hole 23, location, hole 22/ second with first and separate, traveller 11 slides to open or close described lamp protection structure in sliding tray 21。Additionally handle 12 can well be collected in pedestal 1; and prevent from being opened accidentally by Magnet 16 effect; avoid the box body splicing problem additionally brought because of handle 14, as spliced, hinder splicing; cause splicing gap big; meanwhile, handle can quickly be opened by this structure, and carries under power effect at this handle; make traveller 11 can better overcome the elastic force of spring 12 to realize sliding sliding tray 21 in, and then realize lamp and protect structure quickly to open or close。
Such as Fig. 8, on the frame one group relative of casing, it is provided with 4 lamps protection structures。4 lamp protection structures are separately positioned on the corner location of frame。
Below, in conjunction with Fig. 7, the lamp with regard to the present invention protects the operation of structure and principle to be further described。
First, putting in operating groove 15 with finger, pinch miniature handle 14 and pull outward, namely irony handle 14 departs from Magnet 16, and rotates 90 ° outward。
Catch on miniature handle 14 with finger, pull outward, it is ensured that pedestal 1 and a pedestal accommodation portion 2 separately segment distance, locating pin 13 positions hole 23 with second and separates, and now traveller 11 can slide in sliding tray 21。Again whole pedestal 1 toward lifting up, carrying and stopping to maximum position, now pedestal 1 protuberance 18 is placed in the boss 25 in pedestal accommodation portion 2, and after loosening, locating pin 13 is limited in the first hole, location 22, and whole lamp protection structure is opened。
Being regained by miniature handle 14, handle 14 automatic absorbing, on Magnet 16, completes lamp protection structure and opens step。
When needing to close lamp protection structure, handle 14 is opened, and finger catches on miniature handle 14, pulls outward, and whole pedestal 1 is toward lifting up, and locating pin 13 positions hole 22 with first and separates, and now traveller 11 can slide in sliding tray 21。Glide base 1 to high order end, after loosing one's grip, pedestal 1 protuberance 18 is embedded in step trough 24; locating pin 13 is limited in the second hole, location 23; stop protrusion 19 bottom pedestal 1 is placed in the locking groove 26 in pedestal accommodation portion 2, is then closed by miniature handle 14, can complete completely closing of lamp protection structure。
Embodiment four
With reference to Fig. 8, it it is the expansion of the protection structure of the lamp to the present invention。Such as Fig. 7, on the frame one group relative of casing, it is provided with 4 lamps protection structures。4 lamp protection structures are separately positioned on the corner location of frame。When needing vanning or transport when casing, protecting structure fully open on 4 lamps, pedestal 1 can arrange a baffle plate (not shown) covering whole casing front, pedestal 1 can arrange the structures such as corresponding bayonet socket or installing hole。Such lamp protection structure is to except protecting except the lamp bead at edge or corner, it is possible to the lamp bead of whole casing is protected。Avoid the damage to all lamps in vanning, transportation。
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every under the inventive concept of the present invention; utilize the equivalent structure transformation that description of the present invention and accompanying drawing content are made, or directly/be indirectly used in other relevant technical fields and be included in the scope of patent protection of the present invention。
Claims (11)
1. a lamp protection structure for LED display, is arranged at casing frame, it is characterised in that include pedestal (1) and be arranged at the pedestal accommodation portion (2) of casing frame；Described pedestal (1) bottom is provided with traveller (11), spring (12) and locating pin (13)；Described pedestal accommodation portion (2) is provided with sliding tray (21) and the first hole, location (22)；Described traveller (11) is through sliding tray (21), and described spring (12) is enclosed within traveller (11), and spring (12) one end is limited to the edge of traveller (11) end, the other end and sliding tray (21) and offsets；When traveller (11) slide in sliding tray (21) make locating pin (13) be placed in the first hole, location (22) time, pedestal (1) local external is in casing frame。
2. the lamp protection structure of LED display as claimed in claim 1; it is characterized in that; described pedestal accommodation portion (2) is additionally provided with the second hole, location (23); when traveller (11) slide in sliding tray (21) make locating pin (13) be placed in the second hole, location (23) time, pedestal (1) entirety is contained in pedestal accommodation portion (2)。
3. the lamp protection structure of LED display as claimed in claim 2, it is characterised in that described pedestal (1) also includes back-up ring (17), and described spring (12) one end is limited to traveller (11) end by back-up ring (17)。
4. the lamp protection structure of the LED display as described in as arbitrary in claims 1 to 3, it is characterised in that described pedestal (1) also includes handle (14), operating groove (15) and Magnet (16), and described handle (14) one end is passed through rotating shaft and is connected with pedestal (1)；When described handle (14) closes, handle (14) is contained in operating groove (15), and its other end is adsorbed by Magnet (16)；Handle (14) is opened and is carried outward, makes locating pin (13) position hole, location, hole (22)/second (23) with first and separates, and traveller (11) slides to open or close described lamp protection structure in sliding tray (21)。
5. the lamp protection structure of LED display as claimed in claim 4, it is characterised in that described pedestal accommodation portion (2) is additionally provided with step trough (24), boss (25)；Described pedestal (1) is provided with the protuberance (18) mated with step trough (24)；Described first hole, location (22) is located on boss (25), and described second hole, location (23) is located in step trough (24), and described traveller (11) and locating pin (13) are located on the protuberance (18) of pedestal (1)。
6. the lamp protection structure of LED display as claimed in claim 5, it is characterised in that described pedestal accommodation portion (2) is located at the edge of casing frame；Described sliding tray (21) extends to boss (25) from step trough (24) to direction, corner。
7. the lamp protection structure of LED display as claimed in claim 6; it is characterized in that; described pedestal accommodation portion (2) is additionally provided with locking groove (26); described pedestal (1) is provided with stop protrusion (19); when described lamp protects structure to completely close, stop protrusion (19) is placed in locking groove (26)。
8. the lamp protection structure of LED display as claimed in claim 6; it is characterized in that; described pedestal accommodation portion (2) has two first hole, location (22) and two second hole, location (23), and two first hole, location (22) are distributed in sliding tray (21) both sides；Second hole, location (23) is distributed in sliding tray (21) both sides；Described pedestal (1) is provided with two locating pins (13), and two locating pins (13) are distributed in traveller (11) both sides。
9. the lamp protection structure of the LED display as described in as arbitrary in claims 1 to 3, it is characterised in that described pedestal accommodation portion (2) is located at the edge of casing frame；Described sliding tray (21) extends from inner side, pedestal accommodation portion (2) toward the direction of corner。
10. the lamp protection structure of LED display as claimed in claim 9; it is characterized in that; described pedestal accommodation portion (2) has two first hole, location (22) and two second hole, location (23), and the first hole, location (22) positions the line successively in hole (23) in the rhombus tilted to casing frame corner with second。
11. the lamp protection structure of the LED display as described in as arbitrary in claims 1 to 3, it is characterised in that described pedestal accommodation portion (2) is located at four edges of casing frame, and pedestal (1) is provided with the baffle plate covering whole casing front。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181201.5A CN105702175B (en) | 2016-03-28 | 2016-03-28 | A kind of lamp protection structure of LED display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181201.5A CN105702175B (en) | 2016-03-28 | 2016-03-28 | A kind of lamp protection structure of LED display |
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| CN105702175A true CN105702175A (en) | 2016-06-22 |
| CN105702175B CN105702175B (en) | 2018-09-18 |
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| CN106710459A (en) * | 2017-01-17 | 2017-05-24 | 深圳连硕三悠自动化科技有限公司 | Anti-collision protective device and LED display screen with anti-collision protective device |
| CN106910438A (en) * | 2017-04-21 | 2017-06-30 | 深圳市彩易达光电有限公司 | The lamp face safeguard structure and LED combination screen of a kind of LED combination screen |
| CN107067992A (en) * | 2017-03-31 | 2017-08-18 | 深圳市洲明科技股份有限公司 | LED display with protection device |
| WO2018176991A1 (en) * | 2017-03-31 | 2018-10-04 | 深圳市洲明科技股份有限公司 | Led display screen with protective devices |
| WO2018192150A1 (en) * | 2017-04-21 | 2018-10-25 | 深圳市彩易达光电有限公司 | Lamp cover protection structure for combined led screen, and combined led screen |
| CN109064899A (en) * | 2018-09-04 | 2018-12-21 | 深圳市艾比森光电股份有限公司 | Lamp protective device and display screen |
| CN111047976A (en) * | 2019-12-31 | 2020-04-21 | 深圳市易事达电子有限公司 | Display screen device |
| CN111862843A (en) * | 2020-08-18 | 2020-10-30 | 深圳市奥拓电子股份有限公司 | Self-moving lamp bead protection device, LED box body and LED display screen |
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