WO2022099593A1 - 一种显示屏 - Google Patents

一种显示屏 Download PDF

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Publication number
WO2022099593A1
WO2022099593A1 PCT/CN2020/128601 CN2020128601W WO2022099593A1 WO 2022099593 A1 WO2022099593 A1 WO 2022099593A1 CN 2020128601 W CN2020128601 W CN 2020128601W WO 2022099593 A1 WO2022099593 A1 WO 2022099593A1
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WO
WIPO (PCT)
Prior art keywords
baffle
light
strip
display screen
light strips
Prior art date
Application number
PCT/CN2020/128601
Other languages
English (en)
French (fr)
Inventor
白杨
丁崇彬
张宏利
赵宗卫
Original Assignee
深圳市艾比森光电股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 深圳市艾比森光电股份有限公司 filed Critical 深圳市艾比森光电股份有限公司
Priority to PCT/CN2020/128601 priority Critical patent/WO2022099593A1/zh
Publication of WO2022099593A1 publication Critical patent/WO2022099593A1/zh

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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 present application relates to the field of display technology, and in particular, to a display screen.
  • LED displays have many advantages such as high brightness, high luminous efficiency, bright colors, high contrast, short response time, wide operating temperature range and low energy consumption, so they are widely used in stage display equipment, Advertising display equipment and digital visualization display equipment and other display fields.
  • Transparent LED display is one of them.
  • the transparent LED display is transparent on the front and back. When installed in front of the glass window, on the one hand, it does not affect the lighting, and on the other hand, it can display the items behind the glass window. In the future, the transparent LED display will have a very broad application field. The reason is that compared with the traditional liquid crystal display, the transparent LED display can bring users an unprecedented visual experience and a new experience.
  • the transparent LED display itself has the characteristics of screen and transparency, it can be used as a screen and can replace transparent flat glass, so it can be applied to many occasions that require exhibition display and product display; for example, transparent LED can be used in the display of goods in shopping malls Display screens can replace window glass, transparent LED displays can be used to replace window glass in construction, and glass doors can be used as refrigerators and microwave ovens in electrical products. When applied in these fields, the transparent LED display allows the audience to see the screen image and also see the items behind the screen through the screen, which enhances the efficiency of information transmission and adds a lot of interest.
  • a plurality of light strips are arranged at intervals.
  • the middle of the light strip will bend downward. The downward bending of the light strip will cause uneven display images and affect the transparent LED display. screen display.
  • the current solution is to weld a plurality of horizontally arranged light strips on a vertical steel wire.
  • a fixture is required to fix the position of the light bar, and protective equipment is required to protect the light bar, thereby avoiding the high temperature damage to the light bar during welding.
  • high temperature heating is also necessary to melt the solder joints. The operation is cumbersome and difficult; in addition, welding requires electricity and consumes a lot of energy.
  • the present application provides a display screen, which reduces the complexity of operation when the light strips in the light strip matrix keep the same spacing, and reduces the cost.
  • the display screen provided by the present application includes: a first connecting strip and at least two light strips; at least two light strips are connected by the first connecting strip; one side of the first connecting strip is provided with at least two clamping parts, at least two The clipping parts are distributed along the length direction of the first connecting strip; at least two clipping parts are provided with clipping slots; at least two lamp strips are clipped in the clipping slots of the at least two clipping parts respectively.
  • the distance between any two adjacent clamping parts is a fixed value.
  • the clamping part includes: a first baffle and a second baffle; a space between the first baffle and the second baffle forms a clamping groove; the first baffle is provided with a side facing the second baffle. At least two light strips are provided with clamping holes; the clamping protrusions of at least two clamping parts are respectively clamped in the clamping holes of at least two light strips.
  • the side of the first baffle facing the second baffle and the side of the second baffle facing the first baffle are provided with protective films.
  • the first baffle and the second baffle are both arc baffles, and the inner arc surface of the first baffle is opposite to the inner arc surface of the second baffle; the curvature a of the radian of the arc baffle is taken as The value range is: 0.2 ⁇ a ⁇ 0.5; the value range of the fracture toughness b of the arc baffle is: 80MP ⁇ b ⁇ 110MP.
  • the bottoms of the clamping grooves of at least two clamping parts are provided with positioning protrusions, and the sides of at least two light strips facing the first connecting strip are provided with positioning grooves;
  • the positioning protrusions are respectively embedded in the positioning grooves of the at least two light strips.
  • two avoidance grooves are provided at the bottom of the snap-fit groove, and the two avoidance grooves are respectively located on both sides of the positioning protrusion.
  • the first ends of the at least two light strips are connected by one first connection strip, and/or the second ends of the at least two light strips are connected by another first connection strip.
  • the middle parts of the at least two light strips are connected by a third first connecting strip; the middle parts of the at least two light strips are located between the first ends and the second ends of the at least two light strips.
  • the display screen further includes: a second connection strip; among the at least two light strips, the middle parts of some of the light strips are connected by the second connection strip.
  • a first connecting strip is arranged, and the number of clipping parts equal to the number of the light strips is arranged on the first connecting strip along its length direction, and then one lamp strip corresponds to one clipping part, and the lights are connected to each other.
  • the strips are all clamped on the first connecting strip, so that the bending of the light strip can be avoided.
  • the light strip can be quickly taken out from the clamping slot, the operation is relatively simple, and the light strip will not be damaged. That is, the light strip is fixed by the clamping portion, and there is no need to separately configure a clamp to fix the position of the light strip, and no protective device is required to protect the light strip, which simplifies the operation process and reduces the cost.
  • Fig. 1B is the enlarged view of A in Fig. 1A;
  • FIG. 2 is a schematic structural diagram of a display screen provided by an embodiment of the present application.
  • FIG. 3 is a partial enlarged view of a display screen provided by an embodiment of the present application.
  • Fig. 4 is another partial enlarged view of the display screen provided by the embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a connecting belt provided by an embodiment of the present application.
  • FIG. 6 is a partial enlarged view of the connecting tape provided by the embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a light strip provided by an embodiment of the present application.
  • FIG. 8 is another schematic structural diagram of a display screen provided by an embodiment of the present application.
  • FIG. 9 is another schematic structural diagram of a display screen provided by an embodiment of the present application.
  • FIG. 10 is another schematic structural diagram of a display screen provided by an embodiment of the present application.
  • FIG. 11 is another schematic structural diagram of a display screen provided by an embodiment of the present application.
  • FIG. 12 is another schematic structural diagram of a display screen provided by an embodiment of the present application.
  • FIG. 13 is another schematic structural diagram of a display screen provided by an embodiment of the present application.
  • FIG. 14 is another schematic structural diagram of a display screen provided by an embodiment of the present application.
  • 2-steel wire 100-first connecting belt, 110-clamping part, 111-clamping groove, 1111-positioning protrusion, 1112-avoidance groove, 112-first baffle plate, 1121-clamping protrusion, 113- Second baffle, 114-weight reduction hole, 200-light strip, 201-clamping hole, 202-positioning groove, 300-second connecting strip, 400-connecting plate.
  • a transparent LED display is made up of multiple display cabinets, and each display cabinet is made up of multiple display modules.
  • each display module includes a transparent front cover plate, a transparent rear casing and a plurality of light strips 200.
  • the transparent front cover plate and the transparent rear casing can generally be made of transparent glass or transparent acrylic materials.
  • a plurality of light strips 200 are arranged in parallel and spaced between the transparent cover plate and the transparent rear casing to form a display module, and the interval between the transparent front cover plate, the transparent rear casing and the light strips 200 makes each display module have sufficient transparency.
  • Each of the above-mentioned light strips 200 is composed of a narrow strip-shaped integrated circuit board and a plurality of pixel regions.
  • a narrow strip-shaped integrated circuit board generally has an upper surface and a lower surface arranged oppositely, and four side surfaces arranged between the upper surface and the lower surface, and each pixel area generally includes three LEDs arranged at intervals, three The LEDs are blue LEDs, red LEDs, and green LEDs, respectively.
  • the edge of the upper surface of the narrow strip-shaped integrated circuit board or a longer side surface will arrange a plurality of pixel areas in sequence, that is, blue LED, red LED, green LED, blue LED, red LED are fixed in sequence.
  • the number of specifically arranged pixel regions is related to the length of the integrated circuit board.
  • the distance between any two adjacent light strips 200 needs to be kept equal, so as to improve the uniformity of the displayed image.
  • the shape of the integrated circuit board for making the light strip 200 is a long strip, and due to its own gravity, the middle of the light strip 200 will bend downward, and the downward bending of the light strip 200 will cause the display image Uneven, reducing the display effect of the transparent LED display.
  • FIG. 1A and FIG. 1B a plurality of laterally arranged light strips 200 are welded on a vertical steel wire 2 .
  • the steel wire 2 to fix the plurality of light strips 200, the operation is cumbersome and wastes resources such as electricity.
  • the present application provides a display screen, which aims to solve the problems of high difficulty and high cost when fixing the middle of the light strip 200 by using the steel wire 2 .
  • a display screen provided by an embodiment of the present application includes: a first connecting strip 100 and at least two light strips 200 . At least two light strips 200 are connected through the first connecting strip 100 .
  • At least two clamping parts 110 are provided on one side of the first connecting strip 100 , and the at least two clamping parts 110 are distributed along the length direction of the first connecting strip 100 ;
  • Each of the connecting parts 110 is provided with a clamping groove 111 ; at least two light strips 200 are respectively clamped in the clamping grooves 111 of the at least two clamping parts 110 .
  • the at least two light strips 200 include a first light strip and a second light strip; and the at least two clip portions 110 include a first clip portion and a second clip portion as an example. Then, the first light strip is clamped in the clamping groove 111 of the first clamping part, and the second light strip is clamped in the clamping groove 111 of the second clamping part.
  • the first connecting strip 100 is provided, and the number of clips 110 equal to the number of light strips 200 is arranged on the first connecting strip 100 along its length direction, and then one light strip 200 corresponds to One clip portion 110 is used to clip all the light strips 200 on the first connecting strip 100 , so that the light strip 200 can be prevented from being bent.
  • the light strip 200 can be quickly taken out from the clamping slot 111 , the operation is relatively simple, and the light strip 200 will not be damaged.
  • the light strip 200 is fixed by the clamping portion 110, and there is no need to configure a fixture to fix the position of the light strip 200, and no protective equipment is required to protect the light strip 200, which simplifies the operation process and reduces the cost. .
  • the light strip 200 and the first connection strip 100 are vertically distributed.
  • the light strips 200 shown in FIG. 3 are distributed horizontally, and the first connection strips 100 are distributed longitudinally; or the light strips 200 shown in FIG. 4 are distributed longitudinally, and the first connection strips 100 are distributed horizontally.
  • the distance between any two adjacent clamping parts 110 is a fixed value a.
  • the at least two clamping parts 110 include a first clamping part, a second clamping part and a third clamping part.
  • the first light strip is clamped in the clamping groove 111 of the first clamping part
  • the second light strip is clamped in the clamping groove 111 of the second clamping part
  • the third light strip is clamped in the third clamping part inside the snap-in slot 111.
  • first interval between the first clipping part and the second clipping part
  • second interval between the second clipping part and the third clipping part.
  • the distance between any two adjacent clamping portions 110 is a fixed value a. That is, both the first interval and the second interval are the fixed value a.
  • the specific value of the fixed value a can be determined according to the interval between the light strips 200 to be set. If the light strip 200 needs to be set at an interval of 5 cm, the fixed value is 5 cm.
  • the engaging portion 110 includes a first baffle 112 and a second baffle 113 .
  • the distance between the first baffle 112 and the second baffle 113 forms a snap-fit groove 111 ; the first baffle 112 is provided with a snap-fit protrusion 1121 on the side facing the second baffle 113 .
  • at least two light strips 200 are provided with clamping holes 201 ; the clamping protrusions 1121 of the at least two clamping portions 110 are respectively clamped in the clamping holes 201 of the at least two light strips 200 .
  • the first baffle 112 of the first engaging portion, the first baffle 112 of the second engaging portion, and the first baffle 112 of the third engaging portion are all provided with engaging protrusions 1121; and the first light strip, the second light strip and the third light strip are all provided with snap holes 201.
  • the clamping protrusion 1121 is just inserted into the clamping hole 201, thereby improving the reliability of the connection between the light strip 200 and the first connection strip 100, and preventing the light strip 200 from being separated from the connection strip. Loosen up to ensure that the display screen has a good display effect.
  • the side of the first baffle 112 facing the second baffle 113 and the side of the second baffle 113 facing the first baffle 112 are provided with protective films.
  • the protective film may be a rubber layer laid on the surface of the first baffle 112 and the surface of the second baffle 113 .
  • the rubber layer has a certain elastic force and can protect the light strip 200 .
  • the rubber layer since the rubber layer has a certain elastic force, when the light strip 200 is clamped into the rubber layer, the rubber layer is compressed due to the extrusion of the light strip 200, and the generated compressive force can make the clamping groove 111 clamp the light strip 200 tightly. The light strip 200 is prevented from being loosened from the clamping slot 111 .
  • the first baffle 112 and the second baffle 113 are both arc baffles, and the inner arc surface of the first baffle 112 and the inner arc surface of the second baffle 113 are opposite;
  • the value range of the curvature a of the radian of the baffle is: 0.2 ⁇ a ⁇ 0.5.
  • the inner arc surface of the first baffle 112 and the inner arc surface of the second baffle 113 are opposite, so that the distance between the top and bottom ends of the first baffle 112 and the second baffle 113 can be smaller than the distance between the middle of the two , then the top and the top can clamp the light strip 200 tightly, and the middle part can avoid the light strip 200 .
  • the value range of the fracture toughness b of the arc baffle is: 80MP ⁇ b ⁇ 110MP.
  • the first baffle 112 and the second baffle 113 can be used repeatedly for hundreds of times, that is, the lamp strip 200 can be removed and installed from the clip portion 110 hundreds of times without breaking. Extended service life.
  • the snap-on protrusion 1121 is arc-shaped.
  • the snap-on protrusions 1121 can be guided to be smoothly snapped into the snap-fit holes 201 , and the arc-shaped structure has no sharp edges, so the light strip 200 will not be damaged.
  • positioning protrusions 1111 are provided at the bottoms of the engaging grooves 111 of at least two engaging portions 110 .
  • at least two light strips 200 are provided with positioning grooves 202 on one side facing the first connecting strip 100 .
  • the positioning protrusions 1111 of the at least two clamping portions 110 are respectively embedded in the positioning grooves 202 of the at least two light strips 200 . That is to say, the bottom of the engaging groove 111 of the first engaging portion, the bottom of the engaging groove 111 of the second engaging portion, and the bottom of the engaging groove 111 of the third engaging portion are all provided with positioning protrusions. 1111.
  • one side of the first light strip, one side of the second light strip and one side of the third light strip are all provided with positioning grooves 202 .
  • the positioning protrusion 1111 extends along the thickness direction of the first connecting strip 100, its cross-section is rectangular, and its length is equal to the thickness of the connecting strip, and the cross-section of the positioning groove 202 is also It is a rectangle, and the positioning protrusion 1111 and the positioning groove 202 are interference fit or clearance fit.
  • the positioning protrusions 1111 and the positioning grooves 202 are arranged to cooperate with each other, so that the operator can quickly and accurately clamp the light strip 200 on the first connecting strip 100, so that the position of the light strip 200 does not change. Deviations occur and no additional positioning devices are required, which simplifies and saves operating time.
  • two avoidance grooves 1112 are provided at the bottom of the snap groove 111 , and the two avoidance grooves 1112 are located on both sides of the positioning protrusion 1111 respectively.
  • the escape groove 1112 can prevent other parts of the bottom of the clamping groove 111 from contacting the light strip 200 after the light strip 200 is inserted into the clamping groove 111, and the positioning protrusion 1111 and the positioning groove 202 are matched, thereby avoiding damage to the light strip. 200.
  • the first connecting belt 100 is provided with a weight reduction hole 114 .
  • the weight-reducing hole 114 can reduce the weight of the first connecting strap 100, so that the overall weight of the display screen is lighter.
  • the material of the first connecting strip 100 includes plastic.
  • the first connecting strip 100 made of plastic is light in weight, which can reduce the weight of the display screen and lower the cost.
  • the first connecting strip 100 may be made of a transparent material, thereby preventing the first connecting strip 100 from affecting the display effect, and making the image displayed on the display screen 100 clearer and more complete.
  • the first ends of at least two light strips 200 are connected by a first connecting strip 100 , and/or the second ends of at least two light strips 200 are connected by another first connecting strip 100 .
  • a connecting strip 100 is connected. That is, at least one end of the at least two light strips 200 needs to be connected by the first connecting strip 100 .
  • two first connecting strips 100 can be provided, and 24 clipping parts 110 are arranged on the two first connecting strips 100 at equal intervals, and the left ends of the 24 light strips 200 are clipped one by one. It is connected to the 24 clipping parts 110 of one of the first connecting strips 100 , and the right end is clipped to the 24 clipping parts 110 of the other first connecting strip 100 .
  • the light strips 200 can be distributed at equal intervals without shaking and bending.
  • the middle parts of at least two light strips 200 are connected by a third first connecting strip 100 ; between the first end and the second end. That is to say, when the light strip 200 is relatively long, the first connecting strip 100 can also be arranged in the middle thereof, so that the relatively long light strip 200 will not shake, and the display screen of the long light strip 200 can be used. display effect.
  • a third first connecting strip 100 is provided.
  • the first connecting strip 100 is also provided with 24 clipping parts 110 distributed at equal intervals, and the middle parts of the 24 light strips 200 are clipped on the third one. on the 24 clamping parts 110 of the first connecting belt 100 .
  • the longer light strip 200 will not be shaken or bent.
  • a plurality of first connecting strips 100 can also be set in the middle of the 24 light strips 200, such as two, three or four, etc. The longer the light strips 200, the more can be set The number of the first connecting strips 100 makes the light strip 200 more stable. Please refer to FIG. 9 . In the display screen shown in FIG. 9 , the light strip 200 is relatively long, and a plurality of first connection strips 100 are provided.
  • the display screen further includes a second connection strip 300 , and among the at least two light strips 200 , the middle parts of some of the light strips 200 are also connected by the second connection strip 300 .
  • the second connecting strip 300 only needs to connect part of the light strips 200 , while the first connecting strip 100 needs to connect all the light strips 200 . Therefore, the second connecting strip 300 is smaller than the clip portion 110 provided on the first connecting strip 100 . The number is small, and therefore, the second connecting strip 300 is shorter than the first connecting strip 100 . Except for the length and the number of the clamping portions 110 provided, the rest of the structures of the second connecting tape 300 and the first connecting tape 100 are the same. That is, the second connecting strip 300 can be provided with the same number of clip portions 110 according to the number of the light strips 200 to be connected, and the second connecting strip 300 can also be made of a transparent material.
  • the right ends of the 24 light strips 200 can be connected by a first connecting strip 100, and the left end can also be connected by a first connecting strip 100. connection; or, one of the right or left ends of the 24 light strips 200 is connected through the first connection strip 100 .
  • the middle parts of some of the light strips 200 among the 24 light strips 200 are also connected by the second connecting strip 300 .
  • the 24 light strips 200 are divided into 6 groups from top to bottom, namely the first group, the second group, the third group, the fourth group, the fifth group and the sixth group.
  • each group has 4 light strips 200
  • six groups of second connection strips 300 can be provided, wherein the number of the first group of second connection strips 300 is two, and the number of the second group of second connection strips 300 is Three, the number of the third group of second connection belts 300 is two, the number of the fourth group of second connection belts 300 is two, the number of the fifth group of second connection belts 300 is three, and the number of the sixth group of second connection belts 300 is three.
  • the number of the connecting tapes 300 is two.
  • the first to sixth groups of second connecting strips 300 are respectively connected to the first to sixth groups of light strips 200 .
  • six groups of the second connecting strips 300 may be arranged in a staggered manner.
  • the two second connecting strips 300 of the first group are respectively set at a distance of 50 cm and 150 cm from the left end of the light strip 200 of the first group;
  • the three second connecting strips 300 of the second group are respectively set at a distance of 30 cm, 100 cm and 180 cm from the left end of the light strips 200 of the group;
  • the two second connecting strips 300 of the fourth group are respectively arranged at a distance of 50 cm and 150 cm from the left end of the fourth group of light strips 200;
  • the three second connecting strips 300 of the fifth group are respectively arranged at a distance from the fifth group of light strips 30 cm, 100 cm and 180 cm from the left end of the 200;
  • the two second connecting strips 300 of the sixth group are respectively arranged at 50 cm and 150 cm from the left end of the sixth group of light strips 200.
  • the light strip 200 can be reinforced by using a shorter connecting strip, and the convenience of installation and disassembly can be increased.
  • the second connecting strip 300 connected to the second group of light strips 200 may also be connected to the lowest light strip 200 of the first group of light strips 200 at the same time.
  • the first group of light strips 200 are 11 No. 200 light strip, No. 12 light strip 200, No. 13 light strip 200 and No. 14 light strip 200; the second group of light strips 200 from top to bottom are No. 14 light strip 200, No. 15 light strip 200, No. 15 light respectively With 200 and 17 lights with 200.
  • the two second connecting strips 300 of the second group can be respectively provided with five clamping parts 110 , and the uppermost one clamping part 110 of the two second connecting strips 300 is respectively clamped to the first group of light strips 200
  • the light strip 200 at the bottom of the middle that is, the No. 14 light strip 200; then the remaining four clamping parts 110 of the two second connecting strips 300 are connected to the No. 15 light strip 200, No. 16 light strip 200, 17 in turn.
  • Light strip 200 and No. 18 light strip 200 are connected to the No. 15 light strip 200, No. 16 light strip 200, 17 in turn.
  • the second connecting strips 300 of the third group can also be clamped to the lowermost light strips 200 in the second group of light strips 200 by using the uppermost clamping portion 110 . Therefore, the middle parts of the 24 light strips 200 can also be connected into one body, and the reliability is higher.
  • FIG. 11 shows a schematic diagram of disassembling a light strip 200 .
  • one end of the 24 light strips 200 can be all clamped to one connecting board 400 , and the other ends can all be clamped to one first connecting strip 100 .
  • the connecting plate 400 is provided with 24 clips distributed at equal intervals along the length direction, and the right ends of the 24 light strips 200 are clipped on the 24 clips one by one.
  • a first connecting strip 100 can be provided, on which 24 clipping parts 110 are arranged at equal intervals, and the left ends of the 24 light strips 200 are clipped to the 24 clips of the first connecting strip 100 one by one.
  • the connecting plate 400 can make one end of the 24 light strips 200 integrated before being connected by the first connecting strip 100 , so that the operator can move all the light strips 200 together, or turn them over, so as to improve the convenience of operation.
  • the connection board 400 is electrically connected to each light strip 200, and the 24 light strips 200 can simultaneously receive signals through the connection board 400 to ensure the consistency of signal reception time.

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  • Engineering & Computer Science (AREA)
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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种显示屏，包括第一连接带(100)和至少两个灯带(200)；至少两个灯带(200)通过第一连接带(100)连接。第一连接带(100)的一侧设有至少两个卡接部(110)，至少两个卡接部(110)沿第一连接带(100)的长度方向分布；至少两个卡接部(110)均设置有卡接槽；至少两个灯带(200)分别卡接在至少两个卡接部的卡接槽内。通过设置第一连接带(100)，并在第一连接带（100）上沿其长度方向设置和灯带数量相等的卡接部（110），然后一个灯带（200）对应一个卡接部（110），将灯带（200）全部卡接在第一连接带（100）上。

Description

一种显示屏 技术领域
本申请涉及显示技术领域，尤其涉及一种显示屏。
背景技术
发光二极管(light emitting diode，LED)显示屏具有亮度高、发光效率高、色彩鲜艳、对比度高、响应时间短、工作温度范围广以及能耗低等诸多优点，因此被广泛应用于舞台显示设备、广告显示设备以及数字可视化显示设备等等显示领域。
随着LED显示屏的应用范围越来越广，对LED显示屏的需求也越来越多。透明LED显示屏即为其中一种，透明LED显示屏顾名思义，其正面和反面通透，安装在玻璃橱窗前面时，一方面不影响采光，另一方面还可以展示出玻璃橱窗后面的物品。在未来透明LED显示屏会有非常广阔的应用领域，原因在于，透明LED显示屏与传统的液晶显示器相比，透明LED显示屏可以给用户带来前所未有的视觉感受和全新的体验。由于透明LED显示屏本身具有屏幕和透明的特性，既可以作为屏幕使用，同时可以替代透明平板玻璃，因此可以应用到很多需要展览展示和产品陈列的场合；例如在商场商品陈列方面可以使用透明LED显示屏替代橱窗玻璃、在建筑方面可以使用透明LED显示屏替代窗玻璃、在电器产品中可以用作冰箱和微波炉等电器的玻璃门等。在这些领域应用时，透明LED显示屏使观众看到屏幕图像的同时还可以透过屏幕看到屏幕后的物品，增强了信息传达的效率也增加了许多趣味。
目前的透明LED显示屏，为了提高通透性，采用多个灯带间隔设置的方式。多个灯带间隔设置的同时，需要保持任意相邻的两个灯带之间的距离均相等，从而提升显示图像的均匀性。然而，实际使用过程中发现，因灯带形状为长条状，加之自身重力原因，会出现灯带中间向下弯曲的情况，灯带向下弯曲会导致显示图像不均匀，影响了透明LED显示屏的显示效果。
为避免灯带弯曲，目前的解决方法为将多个横向排列的灯带焊接在一根竖向的钢丝上。然而，灯带和钢丝焊接时，需要夹具固定灯条的位置，以及需要 防护用具保护灯条，由此避免焊接时的高温损伤灯条，维修灯条时，也需要使用高温加热熔化焊点，操作繁琐且难度大；另外，焊接需要耗费电能，能耗高。
发明内容
本申请提供了一种显示屏，降低灯带矩阵中的灯带保持间距一致时的操作繁琐性，降低成本。
本申请提供的显示屏，包括：第一连接带和至少两个灯带；至少两个灯带通过第一连接带连接；第一连接带的一侧设有至少两个卡接部，至少两个卡接部沿第一连接带的长度方向分布；至少两个卡接部均设置有卡接槽；至少两个灯带分别卡接在至少两个卡接部的卡接槽内。
可选的，至少两个卡接部中，任意相邻的两个卡接部之间的间距均为固定值。
可选的，卡接部包括：第一挡板和第二挡板；第一挡板和第二挡板之间的间距形成卡接槽；第一挡板朝向第二挡板一侧设有卡接凸起；至少两个灯带均设有卡接孔；至少两个卡接部的卡接凸起分别卡接在至少两个灯带的卡接孔中。
可选的，第一挡板朝向第二挡板的一侧，以及第二挡板朝向第一挡板的一侧，均设有防护膜。
可选的，第一挡板和第二挡板均为弧形挡板，第一挡板的内弧面和第二挡板的内弧面相对；弧形挡板的弧度的曲率a的取值范围为：0.2≤a≤0.5；弧形挡板的断裂韧性b的取值范围为：80MP≤b≤110MP。
可选的，至少两个卡接部的卡接槽的底部均设有定位凸起，至少两个灯带朝向第一连接带的一侧均设有定位凹槽；至少两个卡接部的定位凸起分别嵌入至少两个灯带的定位凹槽中。
可选的，卡接槽的底部设有两个避让槽，两避让槽分别位于定位凸起的两侧。
可选的，至少两个灯带的第一端通过一个第一连接带连接，和/或至少两个灯带的第二端通过另一个第一连接带连接。
可选的，至少两个灯带的中部通过第三个第一连接带连接；至少两个灯带 的中部，位于至少两个灯带的第一端和第二端之间。
可选的，显示屏还包括：第二连接带；至少两个灯带中，部分灯带的中部通过第二连接带连接。
本申请实施例提供的显示屏，通过设置第一连接带，并在第一连接带上沿其长度方向设置和灯带数量相等的卡接部，然后一个灯带对应一个卡接部，将灯带全部卡接在第一连接带上，由此可以避免灯带发生弯曲。而当需要拆卸时，可以快速将灯带从卡接槽内取出，操作比较简单，且不会伤害到灯带。也即，灯带由卡接部固定，无需单独配置夹具固定灯带的位置，也无需防护用具保护灯带，简化了操作过程，降低了所耗成本。
附图说明
图1A为显示屏的结构示意图；
图1B为图1A中的A处放大图；
图2是本申请实施例提供的显示屏的结构示意图；
图3是本申请实施例提供的显示屏的局部放大图；
图4是本申请实施例提供的显示屏的另一种局部放大图；
图5是本申请实施例提供的连接带的结构示意图；
图6是本申请实施例提供的连接带的局部放大图；
图7是本申请实施例提供的灯带的结构示意图；
图8是本申请实施例提供的显示屏的另一种结构示意图；
图9是本申请实施例提供的显示屏的另一种结构示意图；
图10是本申请实施例提供的显示屏的另一种结构示意图；
图11是本申请实施例提供的显示屏的另一种结构示意图；
图12是本申请实施例提供的显示屏的另一种结构示意图；
图13是本申请实施例提供的显示屏的另一种结构示意图；
图14是本申请实施例提供的显示屏的另一种结构示意图。
附图标记说明：
2-钢丝，100-第一连接带，110-卡接部，111-卡接槽，1111-定位凸起，1112- 避让槽，112-第一挡板，1121-卡接凸起，113-第二挡板，114-减重孔，200-灯带，201-卡接孔，202-定位凹槽，300-第二连接带，400-连接板。
具体实施方式
以下结合附图对本申请实施例进行详细说明。
一般情况下，透明LED显示屏由多个显示箱体拼接而成，而每个显示箱体由多个显示模组拼接而成。为了提高通透性，每个显示模组包括透明前盖板、透明后壳体以及多个灯带200，透明前盖板和透明后壳体一般可以由透明玻璃或者透明亚克力材料等制成。多个灯带200平行且间隔的设置在透明盖板和透明后壳体之间构成一个显示模组，透明前盖板、透明后壳体和灯带200之间的间隔使得每个显示模组具有足够的通透度。
上述每个灯带200均由一个窄条状集成电路板和多个像素区域构成。具体的，窄条状集成电路板一般具有相对设置的上表面和下表面，以及设置在上表面和下表面之间的四个侧表面，每个像素区域一般包括间隔设置的三个LED，三个LED分别为蓝光LED、红光LED和绿光LED。窄条状集成电路板的上表面的边沿或者一个较长的侧表面上会顺次设置多个像素区域，也即按顺序固定有蓝光LED、红光LED、绿光LED、蓝光LED、红光LED、绿光LED、......、蓝光LED、红光LED、绿光LED。具体布置的像素区域的个数与集成电路板的长度相关。
目前的透明LED显示屏，多个灯带200间隔设置的同时，需要保持任意相邻的两个灯带200之间的距离均相等，从而提升显示图像的均匀性。然而，实际使用过程中发现，因制作灯带200的集成电路板形状为长条状，加之自身重力原因，会出现灯带200中间向下弯曲的情况，灯带200向下弯曲会导致显示图像不均匀，降低了透明LED显示屏的显示效果。
为了避免灯带200的中部发生弯曲，现有的解决方案如图1A和图1B所示，多个横向排列的灯带200焊接在一根竖向的钢丝2上。然而，利用钢丝2固定多个灯带200的方式，其操作繁琐，且浪费电能等资源。
本申请提供一种显示屏，旨在解决灯带200的中部固定时，采用钢丝2固定难度较大，且成本较高的问题。
请参考图2至图4，本申请实施例提供的显示屏，包括：第一连接带100和至少两个灯带200。至少两个灯带200通过第一连接带100连接。
具体地，参考图5和图6，第一连接带100的一侧设有至少两个卡接部110，至少两个卡接部110沿第一连接带100的长度方向分布；至少两个卡接部110均设置有卡接槽111；至少两个灯带200分别卡接在至少两个卡接部110的卡接槽111内。
详细地，以至少两个灯带200包括第一灯带和第二灯带为例；至少两个卡接部110包括第一卡接部和第二卡接部为例。那么，第一灯带卡接在第一卡接部的卡接槽111内，第二灯带卡接在第二卡接部的卡接槽111内。
也即本申请实施例提供的显示屏，通过设置第一连接带100，并在第一连接带100上沿其长度方向设置和灯带200数量相等的卡接部110，然后一个灯带200对应一个卡接部110，将灯带200全部卡接在第一连接带100上，由此可以避免灯带200发生弯曲。而当需要拆卸时，可以快速将灯带200从卡接槽111内取出，操作比较简单，且不会伤害到灯带200。
可见本申请实施例提供的显示屏，灯带200由卡接部110固定，无需单独配置夹具固定灯带200的位置，也无需防护用具保护灯带200，简化了操作过程，降低了所耗成本。
本领域技术人员可以理解的是，本申请实施例提供的显示屏，灯带200和第一连接带100相垂直分布。详细地，可以为图3中所示的灯带200横向分布，第一连接带100纵向分布；也可以为图4中所示的灯带200纵向分布，第一连接带100横向分布。
在一种可选实施方式中，请参考图5，至少两个卡接部110中，任意相邻的两个卡接部110之间的间距均为固定值a。
具体地，以灯带200包括第一灯带、第二灯带和第三灯带为例。那么相对应的，至少两个卡接部110包括第一卡接部、第二卡接部和第三卡接部。第一灯带卡接在第一卡接部的卡接槽111内，第二灯带卡接在第二卡接部的卡接槽111内，第三灯带卡接在第三卡接部的卡接槽111内。
详细的，第一卡接部和第二卡接部之间具有第一间隔，第二卡接部和第三卡接部之间具有第二间隔。任意相邻的两个卡接部110之间的间距均为固定值 a。也即，第一间隔和第二间隔均为固定值a。该固定值a具体数值可以根据需要设置的灯带200之间的间隔确定。若灯带200需要间隔5厘米设置，则该固定值为5厘米。
由上可见，该实施方式中，通过设置多个卡接部110等间距的分布在第一连接带100上，那么多个灯带200一一固定在多个卡接部110上后，多个灯带200也是等间距的分布，从而可以使得显示屏上显示的图像比较均匀，不会发生变形。
在一种实施方式中，请参考图6，卡接部110包括第一挡板112和第二挡板113。第一挡板112和第二挡板113之间的间距形成卡接槽111；第一挡板112朝向第二挡板113一侧设有卡接凸起1121。参考图7，至少两个灯带200均设有卡接孔201；至少两个卡接部110的卡接凸起1121分别卡接在至少两个灯带200的卡接孔201中。
也即，上述第一卡接部的第一挡板112上，第二卡接部的第一挡板112上，以及第三卡接部的第一挡板112上，均设置卡接凸起1121；而第一灯带、第二灯带和第三灯带上均设置卡接孔201。灯带200卡接在卡接槽111内时，卡接凸起1121正好卡入卡接孔201中，从而提高灯带200和第一连接带100连接的可靠性，避免灯带200从连接带上松脱，确保显示屏的显示效果良好。
在一种可选实施方式中，第一挡板112朝向第二挡板113的一侧，以及第二挡板113朝向第一挡板112的一侧，均设有防护膜。该防护膜具体可以为敷设在第一挡板112表面和第二挡板113表面的橡胶层，该橡胶层具有一定的弹性力，可以保护灯带200。另外，由于橡胶层具有一定的弹性力，那么灯带200卡入橡胶层时，橡胶层因灯带200的挤压而被压缩，产生的压缩力可以使得卡接槽111卡紧灯带200，避免灯带200从卡接槽111内松脱。
在一种可选实施方式中，第一挡板112和第二挡板113均为弧形挡板，第一挡板112的内弧面和第二挡板113的内弧面相对；弧形挡板的弧度的曲率a的取值范围为：0.2≤a≤0.5。第一挡板112的内弧面和第二挡板113内弧面相对，则可以使得第一挡板112和第二挡板113的顶端和底端之间的距离，小于二者中部的距离，那么其顶端和顶端可以将灯带200卡紧，而中部可以避让灯带200。
可选的，弧形挡板的断裂韧性b的取值范围为：80MP≤b≤110MP。由此使得第一挡板112和第二挡板113可以经受上百次的反复使用，也即经受灯带200上百次的从卡接部110拆卸和安装，而不会发生断裂的情况，延长了使用寿命。
在一种可选实施方式中，请继续参考图6，卡接凸起1121呈弧形。通过将卡接凸起1121设置为弧形，可以引导卡接凸起1121顺利卡入卡接孔201中，并且因弧形结构没有锋利的边缘，因此，不会对灯带200造成损伤。
在一种可选实施方式中，请继续参考图6，至少两个卡接部110的卡接槽111的底部均设有定位凸起1111。请继续参考图7，至少两个灯带200朝向第一连接带100的一侧均设有定位凹槽202。至少两个卡接部110的定位凸起1111分别嵌入至少两个灯带200的定位凹槽202中。也即，上述的第一卡接部的卡接槽111的底部、第二卡接部的卡接槽111的底部和第三卡接部的卡接槽111的底部，均设置有定位凸起1111。相应的，第一灯带的一侧、第二灯带的一侧和第三灯带的一侧，均设置有定位凹槽202。
本领域技术人员可以理解的是，该定位凸起1111沿第一连接带100的厚度方向延伸，其横截面的形状为长方形，并且长度和连接带的厚度相等，定位凹槽202的横截面也为长方形，并且定位凸起1111和定位凹槽202为过盈配合或者间隙配合。
该实施方式中，通过设置定位凸起1111和定位凹槽202相互配合，由此使得作业人员可以快速且精准的将灯带200卡接在第一连接带100上，使得灯带200的位置不会发生偏差，且无需额外的定位装置，从而可以简化操作过程，节省操作时间。
在一种可选实施方式中，卡接槽111的底部设有两个避让槽1112，两避让槽1112分别位于定位凸起1111的两侧。该避让槽1112在灯带200卡入卡接槽111内，且定位凸起1111和定位凹槽202配合后，可以避免卡接槽111底部的其他部位接触灯带200，由此避免损伤灯带200。
在一种可选实施方式中，请继续参考图5，第一连接带100上设有减重孔114。该减重孔114可以降低第一连接带100的重量，从而使得显示屏的整体重量较轻。
在一种可选实施方式中，第一连接带100的材质包括塑料。塑料材质的第一连接带100，其重量较轻，可以降低显示屏的重量，且成本较低。
在一种可选实施方式中，第一连接带100可以采用透明材质制成，由此可以避免第一连接带100影响显示效果，使得显示屏100显示的图像更加清楚和完整。
在一种可选实施方式中，请参考图2，至少两个灯带200的第一端通过一个第一连接带100连接，和/或至少两个灯带200的第二端通过另一个第一连接带100连接。也即，至少两个灯带200的至少一端需要通过第一连接带100连接起来。
具体地，请继续参考图2，可以提供两个第一连接带100，该两个第一连接带100上设置等间距分布的24个卡接部110，24条灯带200的左端一一卡接在其中一个第一连接带100的24个卡接部110上，右端卡接在其中另一个第一连接带100的24个卡接部110上。由此可以使得灯带200等间距的分布，且不会出现晃动和弯曲情况。
在一种可选实施方式中，请参考图8，至少两个灯带200的中部通过第三个第一连接带100连接；至少两个灯带200的中部，位于至少两个灯带200的第一端和第二端之间。也即，在灯带200比较长的情况，还可以在其中部设置第一连接带100，由此使得比较长的灯带200也不会出现晃动情况，确保使用较长灯带200的显示屏的显示效果。
具体地，提供第三个第一连接带100，该第一连接带100上也设置有等间距分布的24个卡接部110，24条灯带200的中部一一卡接在该第三个第一连接带100的24个卡接部110上。由此可以使得较长的灯带200也不会出现晃动和弯曲情况。
本领域技术人员可以理解的是，在24条灯带200的中部也可以设置多个第一连接带100，例如两个、三个或者四个等等，灯带200越长，可以设置越多数量的第一连接带100，由此使得灯带200更加的稳定。请参考图9，图9中所示的显示屏，其灯带200比较长，则提供了多个第一连接带100。
在又一种可选实施方式中，请参考图10，显示屏还包括第二连接带300，至少两个灯带200中，部分灯带200的中部还通过第二连接带300连接。
可以理解的是，第二连接带300仅需要连接部分灯带200，而第一连接带100需要连接所有灯带200，因此第二连接带300比第一连接带100上设置的卡接部110数量少，因此，第二连接带300比第一连接带100短。除了长度和设置的卡接部110的数量之外，第二连接带300和第一连接带100的其余结构相同。也即，第二连接带300可根据需要连接的灯带200的数量，设置同样数量的卡接部110，第二连接带300也可以采用透明的材质制成。
继续以包括24条灯带200，且灯带200的长度为200厘米为例，此时，24条灯带200的右端可以通过一个第一连接带100连接，左端也通过一个第一连接带100连接；或者是，24条灯带200的右端或左端中一个通过第一连接带100连接。24条灯带200中的部分灯带200的中部还通过第二连接带300连接。
具体的，将24条灯带200从上至下分为6组，分别为第一组、第二组、第三组、第四组、第五组和第六组。其中，每一组有4条灯带200，然后，可以提供六组第二连接带300，其中第一组第二连接带300的数量为两个，第二组第二连接带300的数量为三个，第三组第二连接带300的数量为两个，第四组第二连接带300的数量为两个，第五组第二连接带300的数量为三个，第六组第二连接带300的数量为两个。第一组至第六组第二连接带300分别对应连接第一组至第六组灯带200。
具体地，六组第二连接带300可以交错设置。例如：第一组的两个第二连接带300分别设置在距离第一组灯带200的左端50厘米处和150厘米处；第二组的三个第二连接带300分别设置在距离第二组灯带200的左端30厘米处、100厘米处和180厘米处；第三组的两个第二连接带300分别设置在距离第三组灯带200的左端80厘米处和130厘米处；第四组的两个第二连接带300分别设置在距离第四组灯带200的左端50厘米处和150厘米处；第五组的三个第二连接带300分别设置在距离第五组灯带200的左端30厘米处、100厘米处和180厘米处；第六组的两个第二连接带300分别设置在距离第六组灯带200的左端50厘米处和150厘米处。由此可以实现使用较短的连接带加固灯带200，增加安装和拆卸便利性。
可选的，连接第二组灯带200的第二连接带300还可以同时连接第一组灯 带200最下方的一个灯带200，例如：第一组灯带200从上至下分别为11号灯带200、12号灯带200、13号灯带200和14号灯带200；第二组灯带200从上至下分别为14号灯带200、15号灯带200、15号灯带200和17号灯带200。
其中，第二组的两个第二连接带300，可以分别设置五个卡接部110，该两个第二连接带300最上部的一个卡接部110，分别卡接第一组灯带200中最下方的灯带200，也即14号灯带200；然后该两个第二连接带300其余的四个卡接部110，依次卡接15号灯带200、16号灯带200、17号灯带200和18号灯带200。
同样的，第三组的第二连接带300也可以利用最上端的卡接部110卡接第二组灯带200中最下方的灯带200。由此，可以使得24个灯带200中部也连成一体，其可靠性更高。
本领域技术人员可以理解的是，请参考图11至图14，图11中示出了拆卸出来一个灯带200的示意图。在本申请任意实施例提供的显示屏中，可以将24条灯带200的一端全部卡接在一个连接板400上，另一端全部卡在一个第一连接带100上。可以理解的是，该连接板400上沿长度方向设有等间距分布的24个卡夹，24条灯带200的右端一一卡接在24个卡夹上。然后可以提供一个第一连接带100，该第一连接带100上设置等间距分布的24个卡接部110，24条灯带200的左端一一卡接在第一连接带100的24个卡接部110上(以图11中的方向为参考)。该连接板400可以使得24个灯带200在被第一连接带100连接之前，其一端为一个整体，便于操作人员将所有灯带200一起移动，或者翻转等等，从而提高操作便利性。另外，该连接板400和每个灯带200电连接，24条灯带200可以通过该连接板400同时接收信号，确保信号接收时间的一致性。
以上对本申请实施例进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想。

Claims (10)

  1. 一种显示屏，其特征在于，包括：第一连接带和至少两个灯带；至少两个所述灯带通过所述第一连接带连接；
    所述第一连接带的一侧设有至少两个卡接部，至少两个所述卡接部沿所述第一连接带的长度方向分布；至少两个所述卡接部均设置有卡接槽；至少两个所述灯带分别卡接在至少两个所述卡接部的所述卡接槽内。
  2. 根据权利要求1所述的显示屏，其特征在于，至少两个所述卡接部中，任意相邻的两个所述卡接部之间的间距均为固定值。
  3. 根据权利要求1或2所述的显示屏，其特征在于，所述卡接部包括：第一挡板和第二挡板；
    所述第一挡板和所述第二挡板之间的间距形成所述卡接槽；所述第一挡板朝向所述第二挡板一侧设有卡接凸起；
    至少两个所述灯带均设有卡接孔；至少两个所述卡接部的所述卡接凸起分别卡接在至少两个所述灯带的所述卡接孔中。
  4. 根据权利要求3所述的显示屏，其特征在于，所述第一挡板朝向所述第二挡板的一侧，以及所述第二挡板朝向所述第一挡板的一侧，均设有防护膜。
  5. 根据权利要求3或4所述的显示屏，其特征在于，所述第一挡板和所述第二挡板均为弧形挡板，所述第一挡板的内弧面和所述第二挡板的内弧面相对；所述弧形挡板的弧度的曲率a的取值范围为：0.2≤a≤0.5；
    所述弧形挡板的断裂韧性b的取值范围为：80MP≤b≤110MP。
  6. 根据权利要求1至5中任一项所述的显示屏，其特征在于，至少两个所述卡接部的所述卡接槽的底部均设有定位凸起，至少两个所述灯带朝向所述第一连接带的一侧均设有定位凹槽；
    至少两个所述卡接部的所述定位凸起分别嵌入至少两个所述灯带的所述定位凹槽中。
  7. 根据权利要求6所述的显示屏，其特征在于，所述卡接槽的底部设有两个避让槽，两所述避让槽分别位于所述定位凸起的两侧。
  8. 根据权利要求1至7中任一项所述的显示屏，其特征在于，至少两个 所述灯带的第一端通过一个所述第一连接带连接，和/或至少两个所述灯带的第二端通过另一个所述第一连接带连接。
  9. 根据权利要求8所述的显示屏，其特征在于，至少两个所述灯带的中部通过第三个所述第一连接带连接；至少两个所述灯带的中部，位于至少两个所述灯带的第一端和第二端之间。
  10. 根据权利要求8所述的显示屏，其特征在于，所述显示屏还包括：第二连接带；至少两个所述灯带中，部分所述灯带的中部通过所述第二连接带连接。
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