WO2020244191A1 - Masque d'écran d'affichage à del et écran d'affichage à del - Google Patents

Masque d'écran d'affichage à del et écran d'affichage à del Download PDF

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Publication number
WO2020244191A1
WO2020244191A1 PCT/CN2019/126397 CN2019126397W WO2020244191A1 WO 2020244191 A1 WO2020244191 A1 WO 2020244191A1 CN 2019126397 W CN2019126397 W CN 2019126397W WO 2020244191 A1 WO2020244191 A1 WO 2020244191A1
Authority
WO
WIPO (PCT)
Prior art keywords
display screen
led display
mask
rear surface
front surface
Prior art date
Application number
PCT/CN2019/126397
Other languages
English (en)
Chinese (zh)
Inventor
贺金锋
康鹏飞
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 WO2020244191A1 publication Critical patent/WO2020244191A1/fr

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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 an LED display screen mask and an LED display screen.
  • the main structure of the existing LED display screen mask can be regarded as a base plate hollowed out with a lamp hole, and auxiliary structures such as a brim and a screw hole are added to it. Because the thermal expansion coefficient of the mask and the PCB board is different, the mask with the conventional structure will produce a greater stress on the lamp during the thermal expansion and contraction process, resulting in damage to the lamp or even falling off, and also causing the partial mask to bulge, causing screen shadows and affecting the display effect.
  • the conventional structure has strict requirements on the physical parameters of the raw materials, such as the coefficient of expansion, which results in the high cost of the raw materials required and the finished product.
  • the yield rate is relatively low.
  • the technical problem to be solved by the present invention is to provide an LED display screen mask and LED display screen, aiming to solve the problem that the existing mask structure cannot eliminate the accumulated deformation caused by the thermal expansion and contraction of the mask in the horizontal and vertical directions of the LED display screen and the lamp beads.
  • Technical problems such as high dead light rate caused by force.
  • the LED display screen mask includes a mask body.
  • the mask body has a front surface and a back surface opposite to each other.
  • the front surface and the back surface are recessed from the front surface toward the back surface.
  • There are multiple rows of horizontal grooves and multiple rows of vertical grooves each of the horizontal grooves communicates with a plurality of the vertical grooves, each of the vertical grooves communicates with a plurality of the horizontal grooves, the rows of horizontal grooves and
  • the multiple rows of longitudinal grooves divide the mask body into a plurality of lamp hole square tables, and each of the lamp hole square tables is provided with an LED lamp hole penetrating the front surface and the rear surface.
  • the cross-sectional width of the transverse groove gradually decreases from the front surface to the rear surface
  • the cross-sectional width of the longitudinal groove gradually decreases from the front surface to the rear surface
  • a plurality of node bases protrude from the rear surface of the mask body, and each of the node bases is used to connect the intersection of the horizontal groove and the longitudinal groove.
  • the depth of the transverse groove is greater than the distance between the front surface and the rear surface.
  • the depth of the longitudinal groove is greater than the distance between the front surface and the rear surface.
  • a plurality of connecting portions for connecting adjacent lamp hole square tables are protruded from the rear surface of the mask body, each of the connecting portions extends along the longitudinal groove direction, and each of the connecting portions The part is located between two adjacent node bases in the same longitudinal groove direction.
  • the side of the connecting portion away from the rear surface is arc-shaped.
  • a plurality of pairs of elastic clamping parts protrude from the rear surface of the mask body, and each pair of the elastic clamping parts is located on opposite sides of the longitudinal groove direction of each LED lamp hole.
  • the distance between each pair of the elastic clamping portions gradually decreases from the front surface to the rear surface.
  • the present invention also provides an LED display screen.
  • the LED display screen includes an LED lamp panel and the above-mentioned LED display mask.
  • the LED lamp panel includes a lamp panel main body and is arranged on the lamp panel. There are a number of LED lamp beads on the main body, and each of the LED lamp beads is located in each corresponding LED lamp hole.
  • the LED display screen mask and the LED display screen provided by the present invention The mask body of the LED display screen mask has opposite front and back surfaces, and multiple rows of horizontal grooves and multiple rows of longitudinal grooves are recessed from the front surface to the back surface , Each horizontal slot is connected with multiple vertical slots, each vertical slot is connected with multiple horizontal slots, multiple rows of horizontal slots and multiple rows of vertical slots divide the main body of the mask into multiple lamp hole square tables, each lamp hole
  • the square platform is provided with LED light holes penetrating the front surface and the back surface.
  • the mask body is recessed from the front surface to the back surface with multiple rows of horizontal grooves and multiple rows of longitudinal grooves, and they are vertically and horizontally distributed between a number of lamp hole squares.
  • This structure has the function of local deformation coordination and can absorb the horizontal and vertical directions of the mask plane.
  • the elastic deformation makes it difficult to accumulate stress or concentration of deformation, so that there will be no accumulation of deformation that causes the lamp beads to be crushed and destroyed, and there will be no problem of local bulging of the mask due to accumulation of deformation, thereby ensuring the display Flatness and consistency of the screen. It can be seen that this technical solution can prevent partial protrusion of the mask, significantly reduce the dead light rate of the lamp beads on the display screen due to force, and improve the installation efficiency of the mask.
  • FIG. 1 is a schematic diagram of the split structure of a preferred embodiment of the LED display screen of the present invention.
  • Fig. 2 is a schematic diagram of another angle split structure of the LED display shown in Fig. 1.
  • FIG. 3 is a schematic diagram of a partial enlarged structure of the LED display screen shown in FIG. 1.
  • FIG. 4 is a schematic diagram of a partial enlarged structure of the LED display screen shown in FIG. 2.
  • Fig. 5 is a schematic diagram of the original state of the cross elastic structure of the LED display shown in Fig. 3.
  • FIG. 6 is a schematic diagram of the stretched state of the cross elastic structure of the LED display shown in FIG. 3.
  • FIG. 7 is a schematic diagram of the contracted state of the cross elastic structure of the LED display screen shown in FIG. 3.
  • the LED display screen 1 includes an LED light panel 100 and an LED display mask 200, wherein the LED light panel 100 includes a light panel main body 110 and A number of LED lamp beads 120 are arranged on the main body 110 of the lamp board, and the LED display mask 200 includes a main body of the mask.
  • the main body of the mask has a front surface 210 and a rear surface 220 opposed to each other. A plurality of rows of horizontal lines are recessed from the front surface 210 to the rear surface 220.
  • each lateral slot 211 is connected to multiple longitudinal slots 212
  • each longitudinal slot 212 is connected to multiple lateral slots 211
  • multiple rows of lateral slots 211 and multiple rows of longitudinal slots 212 connect the mask
  • the main body is divided into a plurality of lamp hole square tables 21, and each lamp hole square table 21 is provided with an LED lamp hole 22 penetrating through the front surface 211 and the rear surface 212.
  • the cross-sectional width of the transverse groove 211 gradually decreases from the front surface 210 to the rear surface 220, forming a V-shaped groove structure to effectively enhance its longitudinal elastic deformation ability.
  • the cross-sectional width of the longitudinal groove 212 gradually decreases from the front surface 210 to the rear surface 220, and also forms a V-shaped groove structure to effectively enhance its lateral elastic deformation ability.
  • a plurality of node bases 23 protrude from the rear surface 220 of the mask body, and each node base 221 is used to connect the intersection of the horizontal groove 211 and the longitudinal groove 212.
  • the depth of the transverse groove 211 is greater than the distance between the front surface 210 and the rear surface 220.
  • the depth of the longitudinal groove 212 is greater than the distance between the front surface 210 and the rear surface 220. In this way, a cross elastic structure 24 can be formed at the intersection of the horizontal groove 211 and the vertical groove 212.
  • Figures 5 to 7 are a schematic diagram of the original state, a schematic diagram of a stretched state, and a schematic diagram of the contracted state of the cross elastic structure 24 in sequence.
  • the cross elastic structure 24 can absorb the elastic deformation in the horizontal and vertical directions of the mask plane to prevent The part of the mask is raised, that is, the normal deformation, so as to ensure the flatness and consistency of the display screen.
  • the four corners of the cross elastic structure 24 can be automatically adjusted according to the relative positional relationship between the LED lamp beads 120 and the LED lamp hole 22, so that each LED While the lamp hole 22 is always buckled on the corresponding LED lamp bead 120, it is ensured that the stress on the LED lamp bead 120 is within a reasonable range and will not cause the extrusion damage of the LED lamp bead 120.
  • a plurality of connecting portions 25 for connecting adjacent lamp hole square tables 21 are protruded from the rear surface 220 of the mask body.
  • Each connecting portion 25 extends along the longitudinal groove direction, and each The connecting portion 25 is located between two adjacent node bases 21 in the same longitudinal groove direction.
  • the side of the connecting portion 25 away from the rear surface 220 is arc-shaped.
  • a plurality of pairs of elastic clamping portions 26 are protruded from the rear surface 220 of the mask body, and each pair of elastic clamping portions 26 is located on opposite sides of the longitudinal groove of each LED lamp hole 22.
  • the distance between each pair of elastic clamping portions 26 gradually decreases from the front surface to the rear surface. In this way, when each LED lamp hole 22 is correspondingly clamped with each LED lamp bead 120, the corresponding LED lamp bead 120 can be squeezed through each corresponding pair of elastic clamping portions 26 to enhance the gap between the two.
  • the friction force, and then effectively fix the mask on the LED light board achieve the purpose of fixing the surface of the mask without screws, greatly improving the installation efficiency of the mask.
  • the LED display screen mask and the LED display screen provided by the present invention The mask body of the LED display screen mask has opposite front and back surfaces, and multiple rows of horizontal grooves and multiple rows of longitudinal grooves are recessed from the front surface to the back surface , Each horizontal slot is connected with multiple vertical slots, each vertical slot is connected with multiple horizontal slots, multiple rows of horizontal slots and multiple rows of vertical slots divide the main body of the mask into multiple lamp hole square tables, each lamp hole
  • the square platform is provided with LED light holes penetrating the front surface and the back surface.
  • the mask body is recessed from the front surface to the back surface with multiple rows of horizontal grooves and multiple rows of longitudinal grooves, and they are vertically and horizontally distributed between a number of lamp hole squares.
  • This structure has the function of local deformation coordination and can absorb the horizontal and vertical directions of the mask plane.
  • the elastic deformation makes it difficult to accumulate stress or concentration of deformation, so that there will be no accumulation of deformation that causes the lamp beads to be crushed and destroyed, and there will be no problem of local bulging of the mask due to accumulation of deformation, thereby ensuring the display Flatness and consistency of the screen. It can be seen that this technical solution can prevent partial protrusion of the mask, significantly reduce the dead light rate of the lamp beads on the display screen due to force, and improve the installation efficiency of the mask, and has industrial applicability.

Landscapes

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

Abstract

L'invention concerne un masque d'écran d'affichage à DEL et un écran d'affichage à DEL (1), se rapportant au domaine technique des écrans d'affichage à DEL. Le masque d'écran d'affichage à DEL (200) comprend un corps principal de masque. Le corps principal de masque est pourvu d'une surface avant (210) et d'une surface arrière (220) qui sont opposées l'une à l'autre. Une pluralité de rangées de rainures transversales (211) et une pluralité de colonnes de rainures longitudinales (212) sont disposées en retrait de la surface avant (210) à la surface arrière (220). Chaque rainure transversale (211) communique avec la pluralité de rainures longitudinales (212). Chaque rainure longitudinale (212) communique avec la pluralité de rainures transversales (211). Le corps principal de masque est divisé en une pluralité de tables carrées de trou de lampe (21) par la pluralité de rangées de rainures transversales (211) et la pluralité de colonnes de rainures longitudinales (212), un trou de lampe à DEL (22) pénétrant dans la surface avant (210) et la surface arrière (220) étant formé dans chaque table carrée de trou de lampe (21). L'invention permet d'éviter une saillie partielle du masque, de réduire significativement le taux d'expiration de lampe de perles de lampe sur l'écran d'affichage dû à l'exposition à une force, et d'améliorer l'efficacité de montage du masque.
PCT/CN2019/126397 2019-06-06 2019-12-18 Masque d'écran d'affichage à del et écran d'affichage à del WO2020244191A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201920857705.3U CN209880048U (zh) 2019-06-06 2019-06-06 Led显示屏面罩及led显示屏
CN201920857705.3 2019-06-06

Publications (1)

Publication Number Publication Date
WO2020244191A1 true WO2020244191A1 (fr) 2020-12-10

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PCT/CN2019/126397 WO2020244191A1 (fr) 2019-06-06 2019-12-18 Masque d'écran d'affichage à del et écran d'affichage à del

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CN (1) CN209880048U (fr)
WO (1) WO2020244191A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113724607B (zh) * 2020-05-26 2023-05-02 深圳市洲明科技股份有限公司 一种led显示模组的制作方法
CN114694522A (zh) * 2020-12-31 2022-07-01 固泰鑫科技(深圳)有限公司 一种基于3d打印的遮光元件

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203134293U (zh) * 2013-03-25 2013-08-14 北京金立翔艺彩科技股份有限公司 一种led显示屏及其led灯板面罩
CN203444714U (zh) * 2013-08-12 2014-02-19 深圳市联建光电股份有限公司 一种led显示模组及led显示屏
JP3201378U (ja) * 2015-06-18 2015-12-10 佛山市青松科技有限公司 チップ式ｌｅｄディスプレイフェースマスク
CN207517311U (zh) * 2017-12-19 2018-06-19 深圳市洲明科技股份有限公司 Led显示屏面罩结构
CN207752720U (zh) * 2018-02-06 2018-08-21 深圳市洲明科技股份有限公司 Led显示屏面罩及led显示屏
CN208622368U (zh) * 2018-08-27 2019-03-19 深圳市洲明科技股份有限公司 Led显示屏面罩和led显示屏

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203134293U (zh) * 2013-03-25 2013-08-14 北京金立翔艺彩科技股份有限公司 一种led显示屏及其led灯板面罩
CN203444714U (zh) * 2013-08-12 2014-02-19 深圳市联建光电股份有限公司 一种led显示模组及led显示屏
JP3201378U (ja) * 2015-06-18 2015-12-10 佛山市青松科技有限公司 チップ式ｌｅｄディスプレイフェースマスク
CN207517311U (zh) * 2017-12-19 2018-06-19 深圳市洲明科技股份有限公司 Led显示屏面罩结构
CN207752720U (zh) * 2018-02-06 2018-08-21 深圳市洲明科技股份有限公司 Led显示屏面罩及led显示屏
CN208622368U (zh) * 2018-08-27 2019-03-19 深圳市洲明科技股份有限公司 Led显示屏面罩和led显示屏

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