WO2016065862A1 - Front-maintenance-type led display module and display screen thereof - Google Patents
Front-maintenance-type led display module and display screen thereof Download PDFInfo
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- WO2016065862A1 WO2016065862A1 PCT/CN2015/076731 CN2015076731W WO2016065862A1 WO 2016065862 A1 WO2016065862 A1 WO 2016065862A1 CN 2015076731 W CN2015076731 W CN 2015076731W WO 2016065862 A1 WO2016065862 A1 WO 2016065862A1
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- led display
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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
Definitions
- the invention relates to an LED display module and a display screen thereof, and more particularly to an LED display module and a display screen thereof for facilitating front maintenance.
- the object of the present invention is to overcome the defects of the prior art and provide a front maintenance type LED display module and a display screen thereof.
- the present invention adopts the following technical solutions:
- the front maintenance type LED display module comprises an LED light board and a bottom shell fixed to the LED light board.
- the gap between the bottom shell and the LED light board is provided with an iron plate fixed on the bottom case.
- a further technical solution is further comprising: a magnetic tool located on the front side of the LED light board and detachably magnetically coupled to the LED light board; the magnetic tool comprising a body portion and a handle portion disposed outside the body portion, the body portion The inner side is provided with a magnetic strip portion or a magnetic block portion for magnetically coupling with the iron plate.
- the iron plate has an area of at least one tenth of the area of the bottom case and is located at an intermediate position of the bottom case.
- a front maintenance type LED display screen includes a box body, and at least one front maintenance type LED display module is disposed on a front side of the box body, and at least two rear sides of the front maintenance type LED display module are provided
- a fixedly coupled positioning post, the front side of the box is provided with a positioning hole for inserting the positioning post.
- a further technical solution is that the positioning post of the bottom case is provided with a magnetic ring; the front end of the positioning hole is provided with a guiding disk portion magnetically coupled with the magnetic ring.
- the box body is provided with a front and rear connecting hole
- the mounting hole is provided with a screw penetrating from the front to the front
- the front end of the screw is provided with a fixing tube, and the fixing is performed.
- the tube is provided with the positioning hole and the guide disk portion.
- a further technical solution is that the outer circumference of the fixing tube is sleeved with an adjusting spring, and the adjusting spring stops between the front side of the box body and the guiding disc portion.
- a further technical solution is that the positioning hole and the positioning post have a clearance of 0-0.05 mm.
- a further technical solution is that the bottom case is provided with a coupling hole that has an interference fit with the positioning post.
- a further technical solution is that the positioning post is further provided with a convex ring portion for stopping the magnetic ring against the back surface of the bottom case.
- the invention has the beneficial effects compared with the prior art: the invention is provided with an iron plate in the gap between the bottom case and the LED lamp board, so that the maintenance can be easily removed from the front with a magnetic tool. LED light panels, without the need for additional tools.
- the LED light board and the bottom case are also positioned by the positioning post and the positioning hole, and the magnetic connection mode is adopted, which is convenient and quick when installing the LED display module.
- the adjusting spring is also sleeved on the fixed pipe, and the front and rear positions of the fixed pipe and the casing can be adjusted by rotating the screw, thereby adjusting the parallelism between the bottom casing and the casing.
- FIG. 1 is a cross-sectional structural view (demolition state of a front maintenance) of a front maintenance type LED display module according to an embodiment of the present invention
- FIG. 2 is a cross-sectional structural view (adjustment parallelism state) of a front maintenance type LED display module according to an embodiment of the present invention
- FIG. 3 is a cross-sectional structural view showing an exploded state of a front maintenance type LED display screen according to an embodiment of the present invention
- Fig. 4 is a cross-sectional structural view showing the assembled state of a front maintenance type LED display panel according to the present invention.
- the front maintenance type LED display module of the present invention comprises an LED light board 10, and a bottom case 20 fixed to the LED light board 10, between the bottom case 20 and the LED light board 10.
- An iron plate 11 fixed to the bottom case 20 is provided at the gap.
- a magnetic block portion 93 (or a plurality of magnetic strip portions) for magnetically coupling with the iron plate 11 is provided.
- the area of the iron plate 11 is at least one tenth of the area of the bottom case 20 and is located at an intermediate position of the bottom case 20.
- a coupling post 30 is fixed on the back surface of the LED lamp board 10, and a coupling screw 21 coupled to the coupling post 30 is disposed on the bottom casing 20, and a pre-tightening spring 31 is disposed on the outer periphery of the coupling post 30, when the LED lamp board 10 is When the bottom case 20 is not parallel, it can be adjusted by rotating the coupling screw 21. This adjustment method needs to be performed from the back.
- a cross recess or a slot may be provided at the front end of the coupling screw 21, and the LED light panel is provided and coupled.
- the corresponding through hole of the screw is convenient for adjusting the parallelism of the LED light board 10 and the bottom case 20, and can be adjusted from the front through hole of the LED light board, and the LED display module does not need to be removed from the box.
- the front maintenance type LED display screen comprises a box body 80.
- the front side of the box body 80 is provided with at least one of the foregoing front maintenance type LED display modules, and the front maintenance type.
- the rear surface of the LED display module is provided with four fixedly coupled positioning posts 22, and the front side of the housing 40 is provided with a positioning hole 41 for inserting the positioning post 22.
- the positioning post 22 of the bottom case 20 is sleeved with a magnetic ring 23; the front end of the positioning hole 41 is provided with a guide disk portion 42 magnetically coupled to the magnetic ring 23.
- the housing 40 is provided with a mounting hole 49 communicating with the front and the rear.
- the mounting hole 49 is provided with a screw 48 penetrating from the rear to the front.
- the front end of the screw 48 is provided with a fixing tube 47.
- the fixing tube 47 is provided with the positioning hole 41 and the guide hole. Disk portion 42.
- An adjustment spring 46 is disposed on the outer circumference of the fixed pipe 47, and the adjustment spring 46 is abutted between the front side of the casing 80 and the guide disk portion 42.
- the positioning hole 41 and the positioning post 22 have a clearance of 0-0.05 mm.
- the bottom casing 20 is provided with a coupling hole 24 that is in an interference fit with the positioning post 22.
- the positioning post 22 is further provided with a convex ring portion 25 that stops the magnetic ring 23 against the back surface of the bottom case 20.
- the coupling screw and the positioning post are of an integrated structure, that is, the inner end of the positioning post is provided with a slot or a cross slot for screwing the positioning post, and the positioning post and the bottom shell are gap-fitted, and The outer end of the positioning post is threadedly coupled to the coupling post on the LED light panel (ie, the front end of the positioning post becomes a coupling screw).
- This structure is simpler and simpler, and the production cost is lower.
- the iron plate in order to reduce the weight, may adopt a structure of a hole plate or a plurality of small iron blocks embedded on the bottom case.
- the iron plate can be fixed on the bottom case and extended forward to stop against the back side of the LED light board.
- the magnetic tool is provided with a magnetic switch to realize separation between the magnetic tool and the iron plate in a non-magnetic state; the magnetic switch is preferably disposed at the handle portion, so that the user can hold the magnetic force once The tool, that is, the magnetic tool is turned on to realize the magnetic connection.
- the present invention provides an iron plate in the gap between the bottom case and the LED panel so that the LED panel can be easily removed from the front by a magnetic tool during maintenance without the need for other tools.
- the LED light board and the bottom case are also positioned by the positioning post and the positioning hole, and the magnetic connection mode is adopted, which is convenient and quick when installing the LED display module.
- the adjusting spring is also sleeved on the fixed pipe, and the front and rear positions of the fixed pipe and the casing can be adjusted by rotating the screw, thereby adjusting the parallelism between the bottom casing and the casing.
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Abstract
Description
技术领域Technical field
本发明涉及一种LED显示模组及其显示屏，更具体地说是指一种有利于前维护的LED显示模组及其显示屏。The invention relates to an LED display module and a display screen thereof, and more particularly to an LED display module and a display screen thereof for facilitating front maintenance.
背景技术Background technique
LED显示屏随着各阶段技术的纯熟，追求更高清的画面，点间距越来越密,拼装精度要求越来越高,现在行业里箱体的表面安装面的加工精度已经达到极限,但还达不到点间距越来越密的要求，要做到前维护更难上加难。为此我们只能在结构设计上想办法，目前行业里还没有哪个前维护产品即能实现灯板可调节又能实现底壳能调节,同时箱体也能调节的。With the skill of each stage of the LED display, the pursuit of higher-definition pictures, the point spacing is getting denser and denser, and the assembly precision requirements are getting higher and higher. Now the machining accuracy of the surface mounting surface of the box has reached the limit, but still It is harder to meet the requirements of more and more point spacing and it is more difficult to maintain before. To this end, we can only find a way to design the structure. At present, there is no front maintenance product in the industry that can realize the adjustment of the lamp board and the adjustment of the bottom case, and the box can also be adjusted.
发明内容Summary of the invention
本发明的目的在于克服现有技术的缺陷，提供一种前维护型LED显示模组及其显示屏。The object of the present invention is to overcome the defects of the prior art and provide a front maintenance type LED display module and a display screen thereof.
为实现上述目的，本发明采用以下技术方案：To achieve the above object, the present invention adopts the following technical solutions:
前维护型LED显示模组，包括LED灯板，及与LED灯板固定的底壳，所述底壳与LED灯板之间的空隙处设有固定于底壳上的铁板。The front maintenance type LED display module comprises an LED light board and a bottom shell fixed to the LED light board. The gap between the bottom shell and the LED light board is provided with an iron plate fixed on the bottom case.
其进一步技术方案为：还包括位于LED灯板前侧且与LED灯板为可拆式磁性联接的磁性工具；所述的磁性工具包括本体部和设于本体部外侧的把手部，所述本体部的内侧设有用于与所述铁板磁性联接的磁条部或磁块部。A further technical solution is further comprising: a magnetic tool located on the front side of the LED light board and detachably magnetically coupled to the LED light board; the magnetic tool comprising a body portion and a handle portion disposed outside the body portion, the body portion The inner side is provided with a magnetic strip portion or a magnetic block portion for magnetically coupling with the iron plate.
其进一步技术方案为：所述铁板的面积至少为底壳面积的十分之一，且位于底壳的中间位置。A further technical solution is that the iron plate has an area of at least one tenth of the area of the bottom case and is located at an intermediate position of the bottom case.
一种前维护型LED显示屏，包括箱体，所述箱体的前侧至少设有一个前述的前维护型LED显示模组，所述前维护型LED显示模组的背面至少设有二个固定联接的定位柱，所述箱体的前侧面设有用于插入定位柱的定位孔。A front maintenance type LED display screen includes a box body, and at least one front maintenance type LED display module is disposed on a front side of the box body, and at least two rear sides of the front maintenance type LED display module are provided A fixedly coupled positioning post, the front side of the box is provided with a positioning hole for inserting the positioning post.
其进一步技术方案为：所述底壳的定位柱套设有磁性环；所述定位孔的前端设有与磁性环磁性联接的导磁盘部。A further technical solution is that the positioning post of the bottom case is provided with a magnetic ring; the front end of the positioning hole is provided with a guiding disk portion magnetically coupled with the magnetic ring.
其进一步技术方案为：所述箱体上设有前后相通的安装孔，所述的安装孔内设有由后向前穿入的螺钉，所述的螺钉前端设有固定管，所述的固定管设有所述的定位孔和导磁盘部。A further technical solution is that the box body is provided with a front and rear connecting hole, the mounting hole is provided with a screw penetrating from the front to the front, and the front end of the screw is provided with a fixing tube, and the fixing is performed. The tube is provided with the positioning hole and the guide disk portion.
其进一步技术方案为：所述固定管的外周套设有调节弹簧，所述的调节弹簧止抵于箱体前侧面与导磁盘部之间。A further technical solution is that the outer circumference of the fixing tube is sleeved with an adjusting spring, and the adjusting spring stops between the front side of the box body and the guiding disc portion.
其进一步技术方案为：所述的定位孔与定位柱为0-0.05mm的间隙配合。A further technical solution is that the positioning hole and the positioning post have a clearance of 0-0.05 mm.
其进一步技术方案为：所述的底壳设有与定位柱过盈配合的联接孔。A further technical solution is that the bottom case is provided with a coupling hole that has an interference fit with the positioning post.
其进一步技术方案为：所述的定位柱还设有将磁性环止抵于底壳背面的凸环部。A further technical solution is that the positioning post is further provided with a convex ring portion for stopping the magnetic ring against the back surface of the bottom case.
本发明与现有技术相比的有益效果是：本发明通过在底壳与LED灯板之间的空隙处内设有铁板，使得维护时，可以从前方用磁性工具，很方便地取下LED灯板，而不需要其它的工具。LED灯板与底壳也采用定位柱和定位孔进行定位，并采用磁性联接方式，在安装LED显示模组时，方便又快捷。还在固定管上套设有调节弹簧，通过旋转螺钉，可以调节固定管与箱体的前后位置，进而可以调节底壳与箱体之间的平行度。The invention has the beneficial effects compared with the prior art: the invention is provided with an iron plate in the gap between the bottom case and the LED lamp board, so that the maintenance can be easily removed from the front with a magnetic tool. LED light panels, without the need for additional tools. The LED light board and the bottom case are also positioned by the positioning post and the positioning hole, and the magnetic connection mode is adopted, which is convenient and quick when installing the LED display module. The adjusting spring is also sleeved on the fixed pipe, and the front and rear positions of the fixed pipe and the casing can be adjusted by rotating the screw, thereby adjusting the parallelism between the bottom casing and the casing.
下面结合附图和具体实施例对本发明作进一步描述。The invention is further described below in conjunction with the drawings and specific embodiments.
附图说明DRAWINGS
图1为本发明一种前维护型LED显示模组具体实施例的剖面结构图（前维护时拆出状态）；1 is a cross-sectional structural view (demolition state of a front maintenance) of a front maintenance type LED display module according to an embodiment of the present invention;
图2为本发明一种前维护型LED显示模组具体实施例的剖面结构图（调节平行度状态）；2 is a cross-sectional structural view (adjustment parallelism state) of a front maintenance type LED display module according to an embodiment of the present invention;
图3为本发明一种前维护型LED显示屏具体实施例的分解状态的剖面结构图；3 is a cross-sectional structural view showing an exploded state of a front maintenance type LED display screen according to an embodiment of the present invention;
图4为本发明一种前维护型LED显示屏具体实施例的装配状态的剖面结构图。Fig. 4 is a cross-sectional structural view showing the assembled state of a front maintenance type LED display panel according to the present invention.
附图标记Reference numeral
10 LED灯板 11 铁板10 LED light board 11 iron board
20 底壳 21 联接螺钉20 bottom case 21 coupling screw
22 定位柱 23 磁性环22 positioning post 23 magnetic ring
24 联接孔 25 凸环部24 coupling hole 25 convex ring
30 联接柱 31 预紧弹簧30 coupling post 31 preloading spring
40 箱体 41 定位孔40 housing 41 positioning hole
42 导磁盘部 46 调节弹簧42 guide disk section 46 adjustment spring
47 固定管 48 螺钉47 fixed tube 48 screw
49 安装孔 90 磁性工具49 Mounting Holes 90 Magnetic Tools
91 本体部 92 把手部91 body part 92 handle part
93 磁块部 Q 螺丝刀93 Magnetic Block Q Screwdriver
具体实施方式detailed description
为了更充分理解本发明的技术内容，下面结合具体实施例对本发明的技术方案进一步介绍和说明，但不局限于此。In order to more fully understand the technical content of the present invention, the technical solutions of the present invention are further described and illustrated in conjunction with the specific embodiments, but are not limited thereto.
如图1至图2所示的实施例，本发明前维护型LED显示模组，包括LED灯板10，及与LED灯板10固定的底壳20，底壳20与LED灯板10之间的空隙处设有固定于底壳20上的铁板11。还包括位于LED灯板10前侧且与LED灯板10为可拆式磁性联接的磁性工具90；磁性工具90包括本体部91和设于本体部91外侧的把手部92，本体部91的内侧设有用于与铁板11磁性联接的磁块部93（或多个磁条部）。铁板11的面积至少为底壳20面积的十分之一，且位于底壳20的中间位置。As shown in FIG. 1 to FIG. 2, the front maintenance type LED display module of the present invention comprises an LED light board 10, and a bottom case 20 fixed to the LED light board 10, between the bottom case 20 and the LED light board 10. An iron plate 11 fixed to the bottom case 20 is provided at the gap. Also included is a magnetic tool 90 on the front side of the LED panel 10 and detachably magnetically coupled to the LED panel 10; the magnetic tool 90 includes a body portion 91 and a handle portion 92 disposed outside the body portion 91, the inside of the body portion 91 A magnetic block portion 93 (or a plurality of magnetic strip portions) for magnetically coupling with the iron plate 11 is provided. The area of the iron plate 11 is at least one tenth of the area of the bottom case 20 and is located at an intermediate position of the bottom case 20.
其中，在LED灯板10的背面固定有联接柱30，在底壳20上设有与联接柱30联接的联接螺钉21，联接柱30外周套设有预紧弹簧31，当LED灯板10与底壳20不平行时，可以通过旋转联接螺钉21来调节。这样调节方式需要从后面进行。于其它实施例中，为了使得LED显示模组在安装至箱体上之后还能从前面调节，可以在联接螺钉21的前端设有十字槽或一字槽，LED灯板上则设有与联接螺钉相对应的通孔，以方便在调节LED灯板10与底壳20的平行度时，可以从LED灯板的前面通孔进行调节，不需要将LED显示模组从箱体上拆下来。Wherein, a coupling post 30 is fixed on the back surface of the LED lamp board 10, and a coupling screw 21 coupled to the coupling post 30 is disposed on the bottom casing 20, and a pre-tightening spring 31 is disposed on the outer periphery of the coupling post 30, when the LED lamp board 10 is When the bottom case 20 is not parallel, it can be adjusted by rotating the coupling screw 21. This adjustment method needs to be performed from the back. In other embodiments, in order to enable the LED display module to be adjusted from the front after being mounted on the cabinet, a cross recess or a slot may be provided at the front end of the coupling screw 21, and the LED light panel is provided and coupled. The corresponding through hole of the screw is convenient for adjusting the parallelism of the LED light board 10 and the bottom case 20, and can be adjusted from the front through hole of the LED light board, and the LED display module does not need to be removed from the box.
如图3-4所示的实施例，本发明一种前维护型LED显示屏，包括箱体80，箱体80的前侧至少设有一个前述的前维护型LED显示模组，前维护型LED显示模组的背面设有四个固定联接的定位柱22，箱体40的前侧面设有用于插入定位柱22的定位孔41。3-4, the front maintenance type LED display screen comprises a box body 80. The front side of the box body 80 is provided with at least one of the foregoing front maintenance type LED display modules, and the front maintenance type. The rear surface of the LED display module is provided with four fixedly coupled positioning posts 22, and the front side of the housing 40 is provided with a positioning hole 41 for inserting the positioning post 22.
底壳20的定位柱22套设有磁性环23；定位孔41的前端设有与磁性环23磁性联接的导磁盘部42。箱体40上设有前后相通的安装孔49，安装孔49内设有由后向前穿入的螺钉48，螺钉48前端设有固定管47，固定管47设有前述的定位孔41和导磁盘部42。The positioning post 22 of the bottom case 20 is sleeved with a magnetic ring 23; the front end of the positioning hole 41 is provided with a guide disk portion 42 magnetically coupled to the magnetic ring 23. The housing 40 is provided with a mounting hole 49 communicating with the front and the rear. The mounting hole 49 is provided with a screw 48 penetrating from the rear to the front. The front end of the screw 48 is provided with a fixing tube 47. The fixing tube 47 is provided with the positioning hole 41 and the guide hole. Disk portion 42.
固定管47的外周套设有调节弹簧46，调节弹簧46止抵于箱体80前侧面与导磁盘部42之间。为了便于拆装，定位孔41与定位柱22为0-0.05mm的间隙配合。为了实现固定联接，底壳20设有与定位柱22过盈配合的联接孔24。定位柱22还设有将磁性环23止抵于底壳20背面的凸环部25。An adjustment spring 46 is disposed on the outer circumference of the fixed pipe 47, and the adjustment spring 46 is abutted between the front side of the casing 80 and the guide disk portion 42. In order to facilitate the disassembly and assembly, the positioning hole 41 and the positioning post 22 have a clearance of 0-0.05 mm. In order to achieve a fixed coupling, the bottom casing 20 is provided with a coupling hole 24 that is in an interference fit with the positioning post 22. The positioning post 22 is further provided with a convex ring portion 25 that stops the magnetic ring 23 against the back surface of the bottom case 20.
于其它实施例中，联接螺钉与定位柱为一体化式结构，即定位柱的内端设有用于拧动定位柱的一字槽或十字槽，而定位柱与底壳则为间隙配合，并且定位柱的外端则与LED灯板上的联接柱螺纹联接（即定位柱的前端变成了联接螺钉）。这样的结构更加优简单，生产成本更加低。In other embodiments, the coupling screw and the positioning post are of an integrated structure, that is, the inner end of the positioning post is provided with a slot or a cross slot for screwing the positioning post, and the positioning post and the bottom shell are gap-fitted, and The outer end of the positioning post is threadedly coupled to the coupling post on the LED light panel (ie, the front end of the positioning post becomes a coupling screw). This structure is simpler and simpler, and the production cost is lower.
于其它实施例中，为了减轻重量，铁板可以采用孔状板的结构，或者采用多个嵌设于底壳上的小铁块构成。为了减少与磁性工具之间的距离，可以将铁板固定在底壳上，并且向前延伸，止抵于LED灯板的背面。为了便于操作，磁性工具设有通磁开关，以便在不通磁的状态下，实现磁性工具与铁板之间的分离；通磁开关优选设在把手部，可以让使用者一但用力握住磁性工具，即开启通磁工具，实现磁性联接。In other embodiments, in order to reduce the weight, the iron plate may adopt a structure of a hole plate or a plurality of small iron blocks embedded on the bottom case. In order to reduce the distance from the magnetic tool, the iron plate can be fixed on the bottom case and extended forward to stop against the back side of the LED light board. In order to facilitate the operation, the magnetic tool is provided with a magnetic switch to realize separation between the magnetic tool and the iron plate in a non-magnetic state; the magnetic switch is preferably disposed at the handle portion, so that the user can hold the magnetic force once The tool, that is, the magnetic tool is turned on to realize the magnetic connection.
总之，本发明通过在底壳与LED灯板之间的空隙处内设有铁板，使得维护时，可以从前方用磁性工具，很方便地取下LED灯板，而不需要其它的工具。LED灯板与底壳也采用定位柱和定位孔进行定位，并采用磁性联接方式，在安装LED显示模组时，方便又快捷。还在固定管上套设有调节弹簧，通过旋转螺钉，可以调节固定管与箱体的前后位置，进而可以调节底壳与箱体之间的平行度。In summary, the present invention provides an iron plate in the gap between the bottom case and the LED panel so that the LED panel can be easily removed from the front by a magnetic tool during maintenance without the need for other tools. The LED light board and the bottom case are also positioned by the positioning post and the positioning hole, and the magnetic connection mode is adopted, which is convenient and quick when installing the LED display module. The adjusting spring is also sleeved on the fixed pipe, and the front and rear positions of the fixed pipe and the casing can be adjusted by rotating the screw, thereby adjusting the parallelism between the bottom casing and the casing.
上述仅以实施例来进一步说明本发明的技术内容，以便于读者更容易理解，但不代表本发明的实施方式仅限于此，任何依本发明所做的技术延伸或再创造，均受本发明的保护。本发明的保护范围以权利要求书为准。The above technical description of the present invention is further described by way of example only, and is not to be understood by the reader, but the embodiments of the present invention are not limited thereto, and any technology extending or re-creating according to the present invention is subject to the present invention. protection of. The scope of the invention is defined by the claims.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588516.2 | 2014-10-28 | ||
| CN201410588516.2A CN104318871B (en) | 2014-10-28 | 2014-10-28 | Preceding maintenance type LED display modules and its display screen |
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| Publication Number | Publication Date |
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| WO2016065862A1 true WO2016065862A1 (en) | 2016-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2015/076731 Ceased WO2016065862A1 (en) | 2014-10-28 | 2015-04-16 | Front-maintenance-type led display module and display screen thereof |
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| WO (1) | WO2016065862A1 (en) |
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| CN104318871A (en) | 2015-01-28 |
| CN104318871B (en) | 2017-08-29 |
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