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WO2021008315A1 - Coque inférieure de module, module d'affichage à del et écran d'affichage à del - Google Patents

Coque inférieure de module, module d'affichage à del et écran d'affichage à del Download PDF

Info

Publication number
WO2021008315A1
WO2021008315A1 PCT/CN2020/097690 CN2020097690W WO2021008315A1 WO 2021008315 A1 WO2021008315 A1 WO 2021008315A1 CN 2020097690 W CN2020097690 W CN 2020097690W WO 2021008315 A1 WO2021008315 A1 WO 2021008315A1
Authority
WO
WIPO (PCT)
Prior art keywords
mask
module
column
bottom case
led display
Prior art date
Application number
PCT/CN2020/097690
Other languages
English (en)
Chinese (zh)
Inventor
刘垣贤
杨贶
赵平林
Original Assignee
深圳市洲明科技股份有限公司
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.)
Filing date
Publication date
Application filed by 深圳市洲明科技股份有限公司 filed Critical 深圳市洲明科技股份有限公司
Publication of WO2021008315A1 publication Critical patent/WO2021008315A1/fr

Links

Classifications

    • 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 the technical field of LED display screens, in particular to a module bottom shell, an LED display module and an LED display screen.
  • Outdoor LED display modules are generally equipped with a mask.
  • the mask is fixed on the bottom of the module through the cooperation of the mask column and screws on the bottom of the module. Because there is a mold between the bottom of the module and the mask.
  • Group PCB board, and the module PCB board is densely covered with a number of lamp beads, therefore, the top of the mask column can only be inserted in the gap between the lamp beads. In this way, for some modules with a small distance between the lamp beads and the lamp beads, the wall thickness of the mask column will be very thin, and the phenomenon of lack of glue will easily occur during injection molding, which leads to difficulties in injection molding, low product qualification rate, and serious Affect the manufacturing cost of the module bottom shell.
  • the technical problem to be solved by the present invention is to provide a bottom shell of a module, an LED display module and an LED display screen, aiming to solve the technical problem of the difficulty of injection molding caused by the thin wall of the existing mask column.
  • the present invention provides a mask column.
  • the module bottom shell includes a bottom shell body and a plurality of mask columns protruding from the bottom shell body, each of the mask columns includes a first column body At least one first protrusion is protruded along the radial direction of the outer side of the first cylinder.
  • the outer side of the first cylinder is provided with four first protrusions, and two of the first protrusions are oppositely provided on both sides of the first cylinder, and the other two The first protruding portion is arranged opposite to the other two sides of the first cylinder.
  • the cross section of the first protrusion is arc-shaped.
  • a cylindrical hole is recessed from the first cylinder.
  • the mask column further includes a second column, the second column is formed by protruding from the bottom shell of the module, and the first column is formed by projecting from the second column .
  • the cross section of the first cylinder and the cross section of the second cylinder are both circular, and the outer circumference of the second cylinder is at least larger than the outer diameter of the first cylinder 0.1 mm.
  • the outer side of the second cylinder is protrudingly provided with at least one second protrusion along its radial direction.
  • the present invention also provides an LED display module, the LED display module includes: a module bottom shell, the module bottom shell includes a bottom shell body and the bottom shell body protruding Each of the mask columns includes a first column, and at least one first protrusion is protruded from the outer side of the first column along its radial direction; the circuit board, the circuit board has Opposite the first side and the second side, the circuit board is provided with a plurality of mask post through holes penetrating through the first side and the second side, and the plurality of mask post through holes are connected to the plurality of mask post through holes.
  • the first post passes through the corresponding through hole of the mask post and is exposed on the second side of the circuit board; a plurality of LED lamp beads, the plurality of LED lamp beads form a matrix Distributed and fixed on the second side of the circuit board; a module mask, the module mask is installed on the second side of the circuit board, the module mask is provided with a plurality of mask post positioning holes, the The plurality of mask positioning holes correspond to the first cylinders of the plurality of mask posts one to one, so as to realize the installation and fixation of the module mask.
  • each of the first protrusions of the first column is sandwiched between two adjacent LED lamp beads.
  • the present invention also provides an LED display screen.
  • the LED display screen includes a plurality of the above-mentioned LED display modules, and the plurality of the LED display modules are regularly distributed in a matrix.
  • the module bottom shell, the LED display module and the LED display screen provided by the present invention include a bottom shell body and a plurality of mask columns protruding from the bottom shell body, and each mask column includes a first column body, At least one first protrusion is protruded along the radial direction of the outer side of the first cylinder. In this way, a number of first protrusions are protruded from the outer side of the first column, so that the shape of the mask column is a non-circular structure, and the first protrusions are all located in the gap between the adjacent lamp beads, making it By using the gap space between the lamp beads as much as possible, the wall thickness of the mask column is thickened as much as possible to facilitate injection molding. It can be seen that the present technical solution can effectively improve the injection molding process of the module bottom shell, increase the pass rate of injection molding of the module bottom shell, and reduce the manufacturing cost of the module bottom shell.
  • the module bottom shell, the LED display module and the LED display screen provided by the embodiments of the present invention include a bottom shell body and a plurality of mask columns protruding from the bottom shell body, and each mask column includes a first column
  • the outer side of the first cylinder is provided with at least one first protrusion along its radial direction.
  • a number of first protrusions are protruded from the outer side of the first column, so that the shape of the mask column is a non-circular structure, and the first protrusions are all located in the gap between the adjacent lamp beads, making it
  • the wall thickness of the mask column is thickened as much as possible to facilitate injection molding. It can be seen that the present technical solution can effectively improve the injection molding process of the module bottom shell, increase the pass rate of injection molding of the module bottom shell, and reduce the manufacturing cost of the module bottom shell. Therefore, it has industrial applicability.
  • FIG. 1 is a schematic diagram of a partial structure of a preferred embodiment of the LED display module of the present invention.
  • FIG. 2 is a schematic structural diagram of the module bottom shell of the LED display module shown in FIG. 1.
  • FIG. 3 is a schematic diagram of the structure of the mask post of the bottom shell of the module shown in FIG. 2.
  • Fig. 4 is an enlarged schematic diagram of the partial I structure of the LED display module shown in Fig. 1.
  • this embodiment provides an LED display screen, which includes a plurality of LED display modules 100, and the plurality of LED display modules 100 are regularly distributed in a matrix.
  • the LED display module 100 includes a module bottom case 110.
  • the module bottom case 110 includes a bottom case main body 111 and a plurality of mask posts 112 protruding from the bottom case main body 111.
  • Each mask post 112 includes a first post 1121, At least one first protrusion 11 is protruded from the outer side of a column 1121 along its radial direction.
  • the LED display module 100 further includes a circuit board 120, a plurality of LED lamp beads 130, and a module mask 140.
  • the circuit board 120 has a first side and a first side that are opposite to each other. On the two sides, the circuit board 120 is provided with a plurality of mask post through holes 121 penetrating through the first side and the second side.
  • the plurality of mask post through holes 121 correspond to the plurality of mask posts 112 one by one, and the first post 1121 passes through The corresponding mask post through hole 121 is exposed on the second side of the circuit board.
  • a plurality of LED lamp beads 130 are distributed and fixed on the second side of the circuit board 120 in a matrix.
  • the module mask is installed on the second side of the circuit board 120.
  • the module mask is provided with a plurality of mask post positioning holes, and the plurality of mask positioning holes correspond to the first cylinders 1121 of the plurality of mask posts 112. In order to realize the installation and fixation of the module mask.
  • the cross section of the first column 1121 is circular.
  • Four first protrusions 11 are provided on the outer side of the first cylinder 1121, and two first protrusions 11 are provided opposite to both sides of the first cylinder 1121, and the other two first protrusions 11 are provided opposite to the first The other two sides of a column 1121.
  • the cross section of the first protrusion 11 preferably adopts an arc shape. Since there are a plurality of through-holes 121 for the mask posts on the circuit board 120, they are all located between the four adjacent lamp beads up, down, left and right.
  • the first post The body 1121 passes through the corresponding mask post through hole 121 and is exposed on the second side of the circuit board 120.
  • each first protrusion 11 of the first post 1121 is sandwiched between two adjacent LED lamp beads. 130, and the four first protrusions 11 can better utilize the gap space between the four adjacent lamp beads up, down, left and right near the first column 1121 as much as possible.
  • the mask post 112 also includes a second post 1122, and the second post 1122 is formed by protruding from the module bottom shell 111.
  • a pillar 1121 is formed by protruding from the second pillar 1122.
  • the cross section of the first column 1121 and the cross section of the second column 1122 are both circular, and the outer circumference of the second column 1122 is at least 0.1 mm larger than the diameter of the outer circumference 1121 of the first column.
  • a receiving step can be formed at the junction of the first column 1121 and the second column 1122, and the first column 1121 can pass through the corresponding mask column through hole 121 and be exposed on the circuit board 120.
  • the second side it plays a certain role in receiving the circuit board 120.
  • the cross section of the second post 1122 is also circular, and the outer side of the second post 1122 is protruding along its radial direction.
  • a cylindrical hole 13 is recessed from the first cylinder 12, and the inner side of the cylindrical hole 13 is preferably provided with threads, which can cooperate with the screw structure to realize the installation and fixation of the module mask.
  • the module bottom shell 111 and a plurality of mask posts 112 are integrally formed.
  • the module bottom shell, the LED display module and the LED display screen provided by the embodiments of the present invention include a bottom shell body and a plurality of mask columns protruding from the bottom shell body, and each mask column includes a first column
  • the outer side of the first cylinder is provided with at least one first protrusion along its radial direction.
  • a number of first protrusions are protruded from the outer side of the first column, so that the shape of the mask column is a non-circular structure, and the first protrusions are all located in the gap between the adjacent lamp beads, making it By using the gap space between the lamp beads as much as possible, the wall thickness of the mask column is thickened as much as possible to facilitate injection molding. It can be seen that the present technical solution can effectively improve the injection molding process of the module bottom shell, increase the pass rate of injection molding of the module bottom shell, and reduce the manufacturing cost of the module bottom shell.
  • the module bottom shell, the LED display module and the LED display screen provided by the embodiments of the present invention include a bottom shell body and a plurality of mask columns protruding from the bottom shell body, and each mask column includes a first column
  • the outer side of the first cylinder is provided with at least one first protrusion along its radial direction.
  • a number of first protrusions are protruded from the outer side of the first column, so that the shape of the mask column is a non-circular structure, and the first protrusions are all located in the gap between the adjacent lamp beads, making it
  • the wall thickness of the mask column is thickened as much as possible to facilitate injection molding. It can be seen that the present technical solution can effectively improve the injection molding process of the module bottom shell, increase the pass rate of injection molding of the module bottom shell, and reduce the manufacturing cost of the module bottom shell. Therefore, it has industrial applicability.

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Led Device Packages (AREA)

Abstract

L'invention concerne une coque inférieure de module (110), un module d'affichage à DEL (100) et un écran d'affichage à DEL. La coque inférieure de module (110) comprend un corps de coque inférieur (111) et une pluralité de colonnes de masque (112) faisant saillie à partir du corps de coque inférieure (111) ; chaque colonne de masque (112) comprend une première colonne (1121) ; et au moins une première partie surélevée (11) fait saillie depuis le côté extérieur de la première colonne (1121) le long de sa direction radiale. La coque inférieure de module (110) peut améliorer efficacement le processus de moulage par injection de la coque inférieure de module (110), augmenter le débit de moulage par injection de la coque inférieure de module (110) et réduire les coûts de fabrication de la coque inférieure de module (110).
PCT/CN2020/097690 2019-07-18 2020-06-23 Coque inférieure de module, module d'affichage à del et écran d'affichage à del WO2021008315A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201921137405.4 2019-07-18
CN201921137405.4U CN210039500U (zh) 2019-07-18 2019-07-18 模组底壳、led显示模组及led显示屏

Publications (1)

Publication Number Publication Date
WO2021008315A1 true WO2021008315A1 (fr) 2021-01-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/097690 WO2021008315A1 (fr) 2019-07-18 2020-06-23 Coque inférieure de module, module d'affichage à del et écran d'affichage à del

Country Status (2)

Country Link
CN (1) CN210039500U (fr)
WO (1) WO2021008315A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210039500U (zh) * 2019-07-18 2020-02-07 深圳市洲明科技股份有限公司 模组底壳、led显示模组及led显示屏
CN111667780A (zh) * 2020-07-22 2020-09-15 利亚德智慧显示(深圳)有限公司 显示屏
CN111862837A (zh) * 2020-07-22 2020-10-30 利亚德智慧显示(深圳)有限公司 显示屏及其加工方法
CN111724705B (zh) * 2020-07-30 2024-08-16 利亚德智慧显示(深圳)有限公司 发光模组

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201655196U (zh) * 2010-03-26 2010-11-24 深圳市洲明科技股份有限公司 户外防水模组及显示屏
US20160307479A1 (en) * 2013-03-16 2016-10-20 ADTI Media, LLC Sign construction with sectional sign assemblies and installation kit and method of using same
CN106782114A (zh) * 2016-12-19 2017-05-31 惠州市德赛智能科技有限公司 一种户外小间距led显示屏模组面罩的固定结构
CN207560552U (zh) * 2017-12-18 2018-06-29 深圳市锦欣晟科技有限公司 一种高平整度底壳
CN208351849U (zh) * 2018-07-10 2019-01-08 湖北匡通电子股份有限公司 一种显示屏模组壳体结构
CN208970060U (zh) * 2018-08-31 2019-06-11 深圳市雷迪奥视觉技术有限公司 一种面罩的连接结构
CN210039500U (zh) * 2019-07-18 2020-02-07 深圳市洲明科技股份有限公司 模组底壳、led显示模组及led显示屏

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201655196U (zh) * 2010-03-26 2010-11-24 深圳市洲明科技股份有限公司 户外防水模组及显示屏
US20160307479A1 (en) * 2013-03-16 2016-10-20 ADTI Media, LLC Sign construction with sectional sign assemblies and installation kit and method of using same
CN106782114A (zh) * 2016-12-19 2017-05-31 惠州市德赛智能科技有限公司 一种户外小间距led显示屏模组面罩的固定结构
CN207560552U (zh) * 2017-12-18 2018-06-29 深圳市锦欣晟科技有限公司 一种高平整度底壳
CN208351849U (zh) * 2018-07-10 2019-01-08 湖北匡通电子股份有限公司 一种显示屏模组壳体结构
CN208970060U (zh) * 2018-08-31 2019-06-11 深圳市雷迪奥视觉技术有限公司 一种面罩的连接结构
CN210039500U (zh) * 2019-07-18 2020-02-07 深圳市洲明科技股份有限公司 模组底壳、led显示模组及led显示屏

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