WO2022193087A1 - 阻燃型显示模组及显示屏 - Google Patents

阻燃型显示模组及显示屏 Download PDF

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Publication number
WO2022193087A1
WO2022193087A1 PCT/CN2021/080844 CN2021080844W WO2022193087A1 WO 2022193087 A1 WO2022193087 A1 WO 2022193087A1 CN 2021080844 W CN2021080844 W CN 2021080844W WO 2022193087 A1 WO2022193087 A1 WO 2022193087A1
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WO
WIPO (PCT)
Prior art keywords
layer
fireproof
flame
display module
protective layer
Prior art date
Application number
PCT/CN2021/080844
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English (en)
French (fr)
Inventor
徐梦梦
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.)
Filing date
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/CN2021/080844 priority Critical patent/WO2022193087A1/zh
Publication of WO2022193087A1 publication Critical patent/WO2022193087A1/zh

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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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
    • H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00
    • H01L33/48—

Definitions

  • the application belongs to the technical field of display devices, and in particular relates to a flame-retardant display module and a display screen.
  • the fire-retardant design of the display module is to apply a waterproof coating on the surface of the light board of the display module.
  • the fire-proof coating is usually simply coated on the surface of the light board to cover the surface of the light board. .
  • the adhesion between the fireproof coating and the surface of the light panel is not good, and on the other hand, it is easy to cause a gap between the fireproof coating and the surface of the light panel, resulting in a decrease in the fire resistance and flame retardant performance of the display module.
  • the purpose of the embodiments of the present application is to provide a flame retardant display module and a display screen, which aims to solve the problem that the fireproof coating of the existing display module has poor adhesion to the surface of the lamp panel, and it is easy to connect with the lamp panel.
  • a first aspect: a flame retardant display module is provided, characterized in that: it includes:
  • the light board includes a PCB board and a plurality of lamp beads arranged on the PCB board;
  • the fireproof layer covers the lamp panel
  • An adhesive layer is attached to the PCB board and covers each of the lamp beads, and the adhesive layer is formed with a first position corresponding to the gap area between the adjacent lamp beads. a conformal groove;
  • the fireproof layer is separated from the light panel by the adhesive layer, and the portion of the fireproof layer facing the first conformal groove is filled in the first conformal groove;
  • a portion of the fireproof layer facing the first conforming groove is formed with the second conforming groove matching the configuration of the first conforming groove, and the protective layer is facing the first conforming groove.
  • a portion of the second conforming groove is filled in the second conforming groove.
  • the protective layer covers the edge of the lamp panel, and at least one of the adhesive layer and the fireproof layer covers the edge of the lamp panel.
  • the thickness of the adhesive layer is 10 ⁇ m ⁇ 100 ⁇ m.
  • the adhesion layer is an epoxy resin adhesion promoter layer.
  • the thickness of the fireproof layer is 50 ⁇ m ⁇ 300 ⁇ m.
  • the fireproof layer is an acrylic fireproof paint layer, a polyurethane fireproof paint layer or an amino fireproof paint layer.
  • the thickness of the protective layer is 20 ⁇ m ⁇ 200 ⁇ m.
  • the protective layer is a polyurethane coating, an acrylate coating or a parylene coating.
  • the protective layer includes a first protective layer and a second protective layer, the second protective layer is attached to the adhesive layer, and the fireproof layer is sandwiched between the first protective layer and the between the second sheath.
  • the thickness of the first protective layer is greater than or equal to the thickness of the second protective layer.
  • the thickness of the first protective layer is 20 ⁇ m ⁇ 200 ⁇ m.
  • the thickness of the second protective layer is 20 ⁇ m ⁇ 150 ⁇ m.
  • At least one layer of the first protective layer and the second protective layer covers the edge of the lamp panel.
  • the adhesion layer includes a first adhesion layer and a second adhesion layer, the first adhesion layer is attached to the lamp board, and the fireproof layer is sandwiched between the first adhesion layer and the Between the second attachment layers, the protective layer is attached to the second attachment layer.
  • the thickness of the first attachment layer and the thickness of the second attachment layer are both 10 ⁇ m ⁇ 100 ⁇ m.
  • the lamp board includes a PCB board and a plurality of lamp beads disposed on the PCB board, and the adhesive layer is attached to the PCB board and covers each of the lamp beads.
  • a second aspect a display screen is provided, including the above-mentioned flame-retardant display module.
  • the flame-retardant display module includes a lamp board, and an adhesive layer, a fireproof layer and a protective layer disposed on the lamp board.
  • the fireproof layer covers the lamp board
  • the lamp board includes a PCB board and a plurality of lamp beads arranged on the PCB board
  • the adhesive layer is attached to the PCB board, and is facing the gap area between the adjacent lamp beads.
  • a first conforming groove is formed at the position, and the portion of the fireproof layer facing the first conforming groove is filled in the first conforming groove.
  • the existence of the adhesive layer can strengthen the adhesive force between the fireproof layer and the lamp panel, so that the adhesion between the fireproof layer and the lamp panel is more reliable.
  • the fireproof layer can also extend into the gap area between the adjacent lamp beads of the lamp panel, so as to realize The gaps and corners of the light board are fully filled, so as to achieve a comprehensive coverage of the light board, which also better improves the fire-retardant and flame-retardant performance of the flame-retardant display module.
  • the display screen provided by the embodiment of the present application includes the above-mentioned flame-retardant display module, and the above-mentioned flame-retardant display module can make the inner fireproof layer fill in the crevices and corners of the lamp panel, so as to realize the comprehensive coverage of the lamp panel. Covering, and improving the bonding strength with the lamp board, thereby improving the fire-retardant and flame-retardant performance of the display module, and thus also improving the overall fire-retardant and flame-retardant performance of the display screen with the above-mentioned flame-retardant display module.
  • FIG. 1 is a cross-sectional view of a flame-retardant display module provided by an embodiment of the present application
  • Fig. 2 is the partial cutaway view of the lamp board and the multilayer coating of the flame-retardant display module shown in Fig. 1;
  • FIG. 3 is a partial cutaway view 1 of the edge of the lamp panel and the multilayer coating of the flame-retardant display module shown in FIG. 1;
  • FIG. 4 is a partial cross-sectional view 2 of the edge of the lamp panel and the multilayer coating of the flame-retardant display module shown in FIG. 1;
  • FIG. 5 is a partial cutaway view 3 of the edge of the lamp panel and the multilayer coating of the flame-retardant display module shown in FIG. 1;
  • FIG. 6 is a schematic view 1 of the cut-away structure of the multilayer coating of the flame-retardant display module shown in FIG. 1;
  • FIG. 7 is a schematic view 2 of the cutaway structure of the multilayer coating of the flame-retardant display module shown in FIG. 1;
  • FIG. 8 is a partial cutaway view 1 of two adjacent lamp beads and a multilayer coating of the lamp panel of the flame retardant display module shown in FIG. 1;
  • FIG. 9 is a partial cutaway view 2 of two adjacent lamp beads and a multi-layer coating of the lamp panel of the flame-retardant display module shown in FIG. 1;
  • FIG. 10 is a partial cross-sectional view 3 of two adjacent lamp beads and a multi-layer coating of the lamp panel of the flame-retardant display module shown in FIG. 1 .
  • first and second are only used for description purposes, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as “first” or “second” may expressly or implicitly include one or more of that feature.
  • plurality means two or more, unless otherwise expressly and specifically defined.
  • connection and “arrangement” should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral body; it may be a
  • the mechanical connection can also be an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the communication between the two elements or the interaction relationship between the two elements.
  • connection and “arrangement” should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral body; it may be a
  • the mechanical connection can also be an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the communication between the two elements or the interaction relationship between the two elements.
  • connection and “arrangement” should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral body; it may be a
  • the mechanical connection can also be an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the
  • an embodiment of the present application provides a flame retardant display module and a display screen
  • the flame retardant display module can be an LED flame retardant display module, an OLED flame retardant display module Group or LCD flame retardant display module.
  • the display screen of this embodiment includes the above-mentioned flame-retardant display module, and the display screen can be used in an outdoor environment or an indoor environment, and can be used alone or by splicing multiple screens into a large display screen.
  • the flame-retardant display module includes a lamp panel 10 and a multi-layer coating 20 , wherein the multi-layer coating 20 includes an adhesive layer 21 , a fireproof layer 22 and a protective layer 23 .
  • the lamp board 10 includes a PCB board 11 and a plurality of lamp beads 12 disposed on the PCB board 11. Each lamp bead 12 is packaged on the PCB board 11. package) or SMD (Surface mounted devices).
  • the fireproof layer 22 covers the lamp panel 10 as a whole, and the adhesive layer 21 is attached to the PCB board 11 of the lamp panel 10 and covers each lamp bead 12 .
  • a first conformal groove (not shown) is formed at the position of the adhesive layer 21 facing the gap area between the adjacent lamp beads 12 , and the portion of the fireproof layer 22 facing the first conformal groove is filled in the first conformal groove. in the slot.
  • the protective layer 23 covers the fireproof layer 22 .
  • the adhesive layer 21 can be completely wrapped in the fireproof layer 22, or the fireproof layer 22 can be arranged on the side of the adhesive layer 21 facing away from the light panel 10, and the protective layer 23 can also be completely wrapped in the fireproof layer 22, Or it is only covered on the side of the fireproof layer 22 that faces away from the adhesive layer 21 .
  • the flame-retardant display module provided by the embodiment of the present application includes a lamp board 10 , and a sticker disposed on the light board 10 . Attachment layer 21 , fireproof layer 22 and protective layer 23 .
  • the fireproof layer 22 covers the light board 10, and the light board 10 includes the PCB board 11 and a plurality of lamp beads 12 arranged on the PCB board 11.
  • the adhesive layer 21 is attached to the PCB board 11, and is facing the adjacent PCB board 11. The position of the gap area between the lamp beads 12 forms the first conformal groove, and the portion of the fireproof layer 22 facing the first conformal groove is filled in the first conformal groove.
  • the existence of the adhesive layer 21 can strengthen the adhesion between the fireproof layer 22 and the lamp panel 10 , so that the adhesion between the fireproof layer 22 and the lamp panel 10 is more reliable.
  • the fireproof layer 22 can also extend into the gap between the adjacent lamp beads 12 of the lamp panel 10 . Therefore, the gaps and corners on the lamp panel 10 are fully filled, and the complete coverage of the lamp panel 10 is realized, which also preferably improves the fire-retardant and flame-retardant performance of the flame-retardant display module.
  • the fireproof layer 22 does not need to consider the waterproof performance and mechanical performance that it needs to achieve when selecting the material and formulating the manufacturing process. This allows the fireproof layer 22 to be manufactured from materials with better light transmittance or higher temperature resistance, but with average waterproof performance, or from materials with lower cost. Expanded range of material options for layer 22 and savings in manufacturing cost of fire barrier layer 22.
  • the display screen provided by the embodiment of the present application includes the above-mentioned flame-retardant display module, and the above-mentioned flame-retardant display module can make the inner fireproof layer 22 fill in the crevices and corners of the lamp panel 10, so as to realize the protection of the lamp panel. 10 is fully covered, and the bonding strength with the light panel 10 is improved, thereby improving the fire-retardant and flame-retardant performance of the flame-retardant display module, which also improves the overall fire resistance of the display screen with the above-mentioned flame-retardant display module. Flame retardant properties.
  • the above-mentioned flame retardant display module can be provided with the adhesive layer 21 and the protective layer 23 to achieve the expansion of the material selection range of the fireproof layer 22 and the saving of the manufacturing cost, which also improves the flame retardant performance of the display screen and reduces the cost.
  • the manufacturing cost of the display can be provided with the adhesive layer 21 and the protective layer 23 to achieve the expansion of the material selection range of the fireproof layer 22 and the saving of the manufacturing cost, which also improves the flame retardant performance of the display screen and reduces the cost.
  • the portion of the fireproof layer 22 facing the first conforming groove is formed with a second conforming groove matching the configuration of the first conforming groove (not shown), the portion of the protective layer 23 facing the second conforming groove is filled in the second conforming groove.
  • the bonding firmness of the protective layer 23, the fireproof layer 22 and the adhesive layer 21 can be improved, thereby enhancing the protective layer 23.
  • the long-term use reliability of the fireproof layer 22 and the adhesive layer 21 can be improved.
  • the protective layer 23 covers the edge of the lamp panel 10 , so that the overall protection of the lamp panel 10 can be realized, and impurities such as water vapor can be prevented from passing from the lamp panel.
  • the edge of 10 penetrates into the interior of the light panel 10 , and also improves the weather resistance of the adhesive layer 21 and the fireproof layer 22 .
  • both the adhesive layer 21 and the fireproof layer 22 can also be coated on the edge of the light panel 10 .
  • both the adhesive layer 21 and the fireproof layer 22 can be covered at the edge of the light panel 10, so that the edge of the light panel 10 is also protected by the fireproof layer 22, which can improve the overall protection of the light panel 10. performance.
  • the thickness of the adhesion layer 21 is 10 ⁇ m ⁇ 100 ⁇ m. Specifically, by limiting the thickness of the adhesive layer 21 to 10 ⁇ m ⁇ 100 ⁇ m, the adhesive layer 21 can have sufficient adhesive force, so that the fireproof layer 22 can be firmly adhered to the light panel 10 .
  • the thickness of the adhesive layer 21 to within 100 ⁇ m, on the one hand, the transmittance of the light panel 10 can be increased, and on the other hand, the amount of the adhesive layer 21 can be better controlled, thereby saving flame retardant display The manufacturing cost of the module.
  • the adhesion layer 21 is an epoxy resin adhesion promoter layer.
  • the epoxy resin adhesion promoter layer has good adhesion to the PCB board 11, glass and resin materials, and the epoxy resin The adhesion promoter layer can be stably and reliably attached to the PCB board 11 and the lamp beads 12 of the lamp board 10, so as to realize the stable adhesion between the fireproof layer 22 and the PCB board 11 and the lamp beads 12 of the lamp board 10, thereby improving the flame retardancy Fire and flame retardant properties of the type display module.
  • the adhesive layer 21 may be formed on the lamp panel 10 by spraying or evaporation, so as to improve the adhesion of the adhesive layer 21 on the lamp panel 10 .
  • plasma surface treatment can also be performed on the lamp panel 10 before attaching the adhesive layer 21 , thereby improving the surface adhesion of the lamp panel 10 , so that the adhesive layer 21 can be preferably attached to the lamp panel 10 .
  • the thickness of the fireproof layer 22 is 50 ⁇ m ⁇ 300 ⁇ m. Specifically, the thickness of the fireproof layer 22 is limited to 50 ⁇ m ⁇ 300 ⁇ m, so that the fireproof layer 22 can have better fireproof and flame retardant performance. On the other hand, by limiting the thickness of the fireproof layer 22 to within 300 ⁇ m, the light transmittance of the lamp panel 10 can also be increased.
  • the fireproof layer 22 is an acrylic fireproof paint layer, a polyurethane fireproof paint layer or an amino fireproof paint layer.
  • the flame retardant of the flame retardant display module can be better achieved thanks to the better high temperature resistance, water resistance and acid and alkali resistance of the acrylic fireproof paint. Fire and acid and alkali corrosion resistance.
  • the fireproof layer 22 as the polyurethane fireproof paint layer, then thanks to the polyurethane fireproof paint having better high temperature resistance, toughness, wear resistance, aging resistance and adhesion, on the one hand, the fireproof layer 22 can be realized.
  • the adhesive layer 21 has better joint firmness, and on the other hand, the fireproof layer 22 has better weather resistance.
  • the amino fireproof paint has better high temperature resistance and low cost, so on the one hand, the better fireproof and flame retardant performance of the fireproof layer 22 can be achieved, and on the other hand The manufacturing cost of the fireproof layer 22 can also be reduced.
  • the thickness of the protective layer 23 is 20 ⁇ m ⁇ 200 ⁇ m. Specifically, by limiting the thickness of the protective layer 23 to 20 ⁇ m to 200 ⁇ m, better isolation and protection of the fireproof layer 22 relative to the external environment can be achieved, and damage to the fireproof layer 22 caused by external water and impurities can be avoided, thereby preventing damage to the fireproof layer 22 . Preferably, the weather resistance of the fireproof layer 22 is improved.
  • the total thickness of the protective layer 23 , the fireproof layer 22 and the adhesive layer 21 is 80 ⁇ m ⁇ 600 ⁇ m. Specifically, by limiting the total thickness of the protective layer 23 , the fireproof layer 22 and the adhesive layer 21 to 80 ⁇ m ⁇ 600 ⁇ m, the overall light transmittance of the protective layer 23 , the fireproof layer 22 and the adhesive layer 21 can be higher than 60 ⁇ m. %.
  • the protective layer 23 is a polyurethane coating, an acrylate coating or a parylene coating. Specifically, by defining the protective layer 23 as a polyurethane coating, it can fully protect the fireproof layer 22 from external water and liquid impurities due to the better stability, good mechanical properties and water resistance of the polyurethane coating. erosion.
  • the fireproof layer 22 can be better assisted to achieve the fire resistance of the lamp panel 10, and the resistance can also be improved.
  • the overall fire and flame retardant performance of the flammable display module By limiting the protective layer 23 to an acrylate coating, in this way, thanks to the better heat resistance of the acrylate coating, the fireproof layer 22 can be better assisted to achieve the fire resistance of the lamp panel 10, and the resistance can also be improved.
  • the protective layer 23 as a parylene coating, thanks to the better insulation of the parylene coating, the overall insulation of the lamp board 10 can be achieved, preventing static electricity from causing the lamp beads 12 on the lamp board 10 Short-circuit fire and other phenomena occur.
  • the protective layer 23 includes a first protective layer 24 and a second protective layer 25 , the second protective layer 25 is attached to the adhesive layer 21 , and the fireproof layer 22 is sandwiched between the first sheath 24 and the second sheath 25 .
  • the protective layer 23 by sandwiching the fireproof layer 22 between the first protective layer 24 and the second protective layer 25 , the opposite sides of the fireproof layer 22 can be well protected by the protective layer 23 , thereby preventing water vapor from passing through the fireproof layer 22 . Infiltrated into the light panel 10 .
  • the material composition of the first protective layer 24 and the second protective layer 25 may be the same or different.
  • the first protective layer 24 can be a polyurethane coating
  • the second protective layer 25 can be an acrylic coating, so that the first protective layer 24 can prevent impurities such as water vapor from penetrating into the lamp panel 10 from the fireproof layer 22.
  • the second protective layer 25 can enhance the fire resistance and flame retardant performance of the fireproof layer 22 .
  • the thickness of the first protective layer 24 is greater than or equal to the thickness of the second protective layer 25 .
  • the first protective layer 24 and the second protective layer 25 can be realized under the condition that the overall thickness of the protective layer 23 remains unchanged.
  • Reasonable distribution of thickness enables the protective layer 23 to protect the external environment of the fireproof layer 22 while also taking into account the protection between the fireproof layer 22 and the light panel 10 .
  • the thickness of the first protective layer 24 may be 20 ⁇ m ⁇ 200 ⁇ m.
  • the thickness of the second protective layer 25 may be 20 ⁇ m ⁇ 150 ⁇ m.
  • At least one layer of the first protective layer 24 and the second protective layer 25 covers the edge of the lamp panel 10 .
  • at least one layer of the first protective layer 24 and the second protective layer 25 cover the edge of the light panel 10 , it is possible to realize the single-layer inspection of the light panel 10 according to the actual use environment of the flame-retardant display module. Layer or double protection.
  • the adhesive layer 21 includes a first adhesive layer 26 and a second adhesive layer 27 , the first adhesive layer 26 is attached to the light panel 10 , and the fireproof layer 22 is sandwiched Between the first adhesion layer 26 and the second adhesion layer 27 , the protective layer 23 is attached to the second adhesion layer 27 .
  • the fireproof layer 22 and the lamp panel 10 can pass through the The first attachment layer 26 and the second attachment layer 27 , so as to better improve the bonding firmness between the lamp panel 10 , the fireproof layer 22 and the protective layer 23 , and prevent the occurrence of generation between the protective layer 23 and the fireproof layer 22 .
  • the thickness of the first attachment layer 26 and the thickness of the second attachment layer 27 are both 10 ⁇ m ⁇ 100 ⁇ m. Specifically, by limiting the thicknesses of the first attachment layer 26 and the second attachment layer 27 to 10 ⁇ m to 100 ⁇ m, the first attachment layer 26 and the second attachment layer 27 can have sufficient adhesive force to improve the lamp board. 10. Bonding firmness between the fireproof layer 22 and the protective layer 23 .
  • the thickness of the adhesive layer 21 is set to be 10 ⁇ m ⁇ 100 ⁇ m, and the material is an epoxy resin adhesion promoter.
  • the thickness of the fireproof layer 22 is 50 ⁇ m to 300 ⁇ m, and the material is an acrylic fireproof paint layer, and the thickness of the protective layer 23 is 20 ⁇ m to 200 ⁇ m, and the material is a polyurethane coating.
  • the overall light transmittance of the protective layer 23 , the fireproof layer 22 and the adhesive layer 21 is found to be 77% through the illumination experiment.
  • the thickness of the adhesive layer 21 is set to be 10 ⁇ m ⁇ 100 ⁇ m, and the material is an epoxy resin adhesion promoter.
  • the thickness of the fireproof layer 22 is 50 ⁇ m ⁇ 300 ⁇ m, and the material is an acrylic fireproof paint layer.
  • the protective layer 23 is divided into a first protective layer 24 and a second protective layer 25, and the thickness of the first protective layer 24 is 20 ⁇ m ⁇ 200 ⁇ m.
  • the thickness of the second protective layer 25 is 20 ⁇ m ⁇ 150 ⁇ m. Materials are all polyurethane coated.
  • the overall light transmittance of the protective layer 23 , the fireproof layer 22 and the adhesive layer 21 is 65% through the illumination experiment.
  • the thickness of the fireproof layer 22 is 50 ⁇ m to 300 ⁇ m
  • the material is an acrylic fireproof paint layer
  • the thickness of the protective layer 23 is 20 ⁇ m to 200 ⁇ m
  • the material is a polyurethane coating.
  • the adhesive layer 21 includes a first adhesion layer 26 and a second adhesion layer 27 , and the thickness of the first adhesion layer 26 and the thickness of the second adhesion layer 27 are both 10 ⁇ m ⁇ 100 ⁇ m.
  • the overall light transmittance of the protective layer 23 , the fireproof layer 22 and the adhesive layer 21 is 81% through the illumination experiment.
  • the thickness of the adhesive layer 21 is 10 ⁇ m ⁇ 100 ⁇ m, and the material is an epoxy resin adhesion promoter.
  • the thickness of the fireproof layer 22 is 50 ⁇ m ⁇ 300 ⁇ m, and the material is an acrylic fireproof paint layer, and the thickness of the protective layer 23 is 20 ⁇ m ⁇ 200 ⁇ m, and the material is a polyurethane coating.
  • a first conformal groove is formed at the position of the adhesive layer 21 facing the gap area between the adjacent lamp beads 12 , and the portion of the fireproof layer 22 facing the first conformal groove is filled in the first conformal groove.
  • the portion of the fireproof layer 22 that is facing the first conforming groove is formed with a second conforming groove that matches the configuration of the first conforming groove, and the portion of the protective layer 23 that is facing the second conforming groove is filled with the second conforming groove. in the slot.
  • the overall light transmittance of the protective layer 23 , the fireproof layer 22 and the adhesive layer 21 is 75% through the illumination experiment.

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  • Microelectronics & Electronic Packaging (AREA)
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Abstract

一种阻燃型显示模组，包括灯板（10）、粘附层（21）、防火层（22）和保护层（23），灯板（10）包括PCB板（11）和多个灯珠（12）；防火层（22）覆盖于灯板（10）；粘附层（21）附着于PCB板（11）上，并覆盖于各灯珠（12），粘附层（21）正对于相邻的灯珠（12）之间的空隙区域的位置形成有第一随形槽；防火层（22）通过粘附层（21）和灯板（10）相隔离，且防火层（22）正对于第一随形槽的部分填充于其内；保护层（23）覆盖防火层（22）。防火层（22）伸入相邻灯珠（12）之间区域，充分填充了灯板（10）上的缝隙角落，实现对灯板（10）的全面覆盖，提升了阻燃型显示模组的防火阻燃性能。

Description

阻燃型显示模组及显示屏 技术领域
本申请属于显示设备技术领域，尤其涉及一种阻燃型显示模组及显示屏。
 背景技术
近年来随着技术的进步，显示屏已在越来越广泛地应用于广告投放、会议现场信息显示和娱乐活动中。由于显示屏内集成有大量电器元件，且在工作时会产生一定热量，因此对于显示屏内的显示模组的防火阻燃研究始终是业内关注的重点。
显示模组的防火阻燃设计是在显示模组的灯板表面涂覆防水涂层，现有技术中，通常是将防火涂层简单涂覆于灯板表面，使之覆盖灯板表面即可。如此，一方面会导致防火涂层与灯板表面的粘合牢固性不佳，另一方面也容易使得防火涂层与灯板表面之间出现空隙，导致显示模组的防火阻燃性能下降。
 技术问题
本申请实施例的目的在于提供一种阻燃型显示模组及显示屏，旨在解决现有的显示模组的防火涂层与灯板表面的粘合牢固性不佳，且容易与灯板表面之间出现空隙的技术问题。
 技术解决方案
为实现上述目的，本申请采用的技术方案是：
第一方面：提供一种阻燃型显示模组，其特征在于：包括：
灯板，所述灯板包括PCB板和设置于所述PCB板上的多个灯珠；
防火层，所述防火层覆盖于所述灯板；
粘附层，所述粘附层附着于所述PCB板上，并覆盖于各所述灯珠，所述粘附层正对于相邻的所述灯珠之间的空隙区域的位置形成有第一随形槽；
所述防火层通过所述粘附层和所述灯板相隔离，且所述防火层正对于所述第一随形槽的部分填充于所述第一随形槽内；
保护层，所述保护层覆盖于所述防火层。
可选地，所述防火层正对于所述第一随形槽的部分形成有和所述第一随形槽的构型相匹配的所述第二随形槽，所述保护层正对于所述第二随形槽的部分填充于所述第二随形槽内。
可选地，所述保护层包覆于所述灯板的边缘，所述粘附层和所述防火层中的至少一层包覆于所述灯板的边缘。
可选地，所述粘附层的厚度为10μm~100μm。
可选地，所述粘附层为环氧树脂附着力促进剂层。
可选地，所述防火层的厚度为50μm~300μm。
可选地，所述防火层为丙烯酸防火涂料层、聚氨酯防火涂料层或氨基防火涂料层。
可选地，所述保护层的厚度为20μm~200μm。
可选地，所述保护层为聚氨酯涂层、丙烯酸酯涂层或聚对二甲苯涂层。
可选地，所述保护层包括第一护层和第二护层，所述第二护层附着于所述粘附层上，所述防火层夹设于所述第一护层和所述第二护层之间。
可选地，所述第一护层的厚度大于或等于所述第二护层的厚度。
可选地，所述第一护层的厚度为20μm~200μm。
可选地，所述第二护层的厚度为20μm~150μm。
可选地，所述第一护层和所述第二护层中，至少有一层包覆于所述灯板的边缘。
可选地，所述粘附层包括第一附层和第二附层，所述第一附层附着于所述灯板上，所述防火层夹设于所述第一附层和所述第二附层之间，所述保护层附着于所述第二附层上。
可选地，所述第一附层的厚度和所述第二附层的厚度均为10μm~100μm。
可选地，所述灯板包括PCB板和设置于所述PCB板上的多个灯珠，所述粘附层附着于所述PCB板上，并覆盖于各所述灯珠。
第二方面：提供一种显示屏，包括有上述的阻燃型显示模组。
 有益效果
本申请实施例提供的阻燃型显示模组，其包括灯板，以及设置于灯板上的粘附层、防火层和保护层。其中，防火层覆盖于灯板，灯板包括PCB板和设置于PCB板上的多个灯珠，粘附层附着于PCB板上，且在正对于相邻的灯珠之间的空隙区域的位置形成了第一随形槽，而防火层正对于第一随形槽的部分填充于第一随形槽内。这样一方面粘附层的存在能够加强防火层与灯板之间的粘接力，使得防火层与灯板的粘接更为牢靠。另一方面，通过使得防火层正对于第一随形槽的部分填充于第一随形槽内，如此也使得防火层能够伸入灯板的相邻的灯珠之间的空隙区域，从而实现充分填充了灯板上的缝隙角落，实现对灯板的全面覆盖，如此也较佳地提升了阻燃型显示模组的防火阻燃性能。
本申请实施例提供的显示屏，由于包括有上述的阻燃型显示模组，而上述的阻燃型显示模组能够使得其内防火层填充于灯板的缝隙角落，实现对灯板的全面覆盖，且提高了和灯板的粘合强度，从而提升显示模组的防火阻燃性能，如此也提升了具有上述的阻燃型显示模组的显示屏的整体防火阻燃性能。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的阻燃型显示模组的剖切视图；
图2为图1所示的阻燃型显示模组的灯板和多层涂层的局部剖切视图；
图3为图1所示的阻燃型显示模组的灯板边缘处和多层涂层的局部剖切视图一；
图4为图1所示的阻燃型显示模组的灯板边缘处和多层涂层的局部剖切视图二；
图5为图1所示的阻燃型显示模组的灯板边缘处和多层涂层的局部剖切视图三；
图6为图1所示的阻燃型显示模组的多层涂层的剖切结构示意图一；
图7为图1所示的阻燃型显示模组的多层涂层的剖切结构示意图二；
图8为图1所示的阻燃型显示模组的灯板的相邻两灯珠和多层涂层的局部剖切视图一；
图9为图1所示的阻燃型显示模组的灯板的相邻两灯珠和多层涂层的局部剖切视图二；
图10为图1所示的阻燃型显示模组的灯板的相邻两灯珠和多层涂层的局部剖切视图三。
其中，图中各附图标记：
10—灯板              11—PCB板             12—灯珠
20—多层涂层            21—粘附层             22—防火层
23—保护层              24—第一护层            25—第二护层
26—第一附层            27—第二附层。
 本发明的实施方式
下面详细描述本申请的实施例，实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图1~10描述的实施例是示例性的，旨在用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本申请中，除非另有明确的规定和限定，术语“ “连接”和“设置”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
如图1和图2所示，本申请实施例提供了一种阻燃型显示模组和显示屏，该阻燃型显示模组可以是LED阻燃型显示模组、OLED阻燃型显示模组或是LCD阻燃型显示模组。本实施例的显示屏包括有上述的阻燃型显示模组，显示屏能够应用于户外环境或户内环境，可以单独使用也可以多屏拼接为大型显示屏使用。
具体地，阻燃型显示模组包括灯板10和多层涂层20，其中多层涂层20包括粘附层21、防火层22以及保护层23。其中，灯板10包括PCB板11和设置于PCB板11上的多个灯珠12，各灯珠12封装于PCB板11上，封装方式可以是DIP（Dual in-line package，双列直插封装）或是SMD（Surface mounted devices，表面贴装封装）。
更具体地，防火层22整体覆盖于灯板10，粘附层21附着于灯板10的PCB板11上，并覆盖于各灯珠12。粘附层21正对于相邻的灯珠12之间的空隙区域的位置形成有第一随形槽（图未示），防火层22正对于第一随形槽的部分填充于第一随形槽内。保护层23覆盖于防火层22。其中，粘附层21可以是完全包裹于防火层22，也可以是防火层22设置于粘附层21背向灯板10的一面，而保护层23也可以是完全包覆于防火层22，或者是仅覆盖于防火层22背向粘附层21的一面。
请参见图2，以下对本申请实施例提供的阻燃型显示模组作进一步说明：本申请实施例提供的阻燃型显示模组，其包括灯板10，以及设置于灯板10上的粘附层21、防火层22和保护层23。其中，防火层22覆盖于灯板10，灯板10包括PCB板11和设置于PCB板11上的多个灯珠12，粘附层21附着于PCB板11上，且在正对于相邻的灯珠12之间的空隙区域的位置形成了第一随形槽，而防火层22正对于第一随形槽的部分填充于第一随形槽内。这样一方面粘附层21的存在能够加强防火层22与灯板10之间的粘接力，使得防火层22与灯板10的粘接更为牢靠。另一方面，通过使得防火层22正对于第一随形槽的部分填充于第一随形槽内，如此也使得防火层22能够伸入灯板10的相邻的灯珠12之间的空隙区域，从而实现充分填充了灯板10上的缝隙角落，实现对灯板10的全面覆盖，如此也较佳地提升了阻燃型显示模组的防火阻燃性能。且防火层22和灯板10之间具有粘附层21，这样防火层22和灯板10之间便存在有粘附层21实现粘接，如此便无需使得防火层22具备直接粘接灯板10的性能，而保护层23覆盖于防火层22上，能够为防火层22提供良好的防护性能，避免外界水汽等杂质对防火层22的侵蚀，这样由于粘附层21的存在，防火层22在材料选择和制造工序制定时便无需考虑和灯板10之间的粘接性能。而由于保护层23的存在，防火层22在材料选择和制造工序制定时便无需考虑自身需要达到的防水性能以及力学性能等。如此可允许防火层22在制造时，能够选择一些透光性更佳或是更耐高温，但防水性能一般的材料进行制造，也可以选择一些成本更低的材料制造，如此便实现了对防火层22材料选择范围的扩展和对防火层22制造成本的节约。
本申请实施例提供的显示屏，由于包括有上述的阻燃型显示模组，而上述的阻燃型显示模组能够使得其内防火层22填充于灯板10的缝隙角落，实现对灯板10的全面覆盖，且提高了和灯板10的粘合强度，从而提升阻燃型显示模组的防火阻燃性能，如此也提升了具有上述的阻燃型显示模组的显示屏的整体防火阻燃性能。且上述的阻燃型显示模组能够通过设置粘附层21和保护层23以实现其防火层22材料选择范围的扩展和制造成本的节约，如此也提升了显示屏的阻燃性能，降低了显示屏的制造成本。
在本申请的另一些实施例中，如图8~图10所示，防火层22正对于第一随形槽的部分形成有和第一随形槽的构型相匹配的第二随形槽（图未示），保护层23正对于第二随形槽的部分填充于第二随形槽内。
具体地，通过使得保护层23正对于第二随形槽的部分填充于第二随形槽内，这样可以提高保护层23、防火层22和粘附层21的结合牢固度，从而提升保护层23、防火层22和粘附层21的长期使用可靠性。
在本申请的另一些实施例中，如图3~图5所示，保护层23包覆于灯板10的边缘处，这样可以实现对灯板10的全面防护，避免水汽等杂质自灯板10的边缘处渗入灯板10内部，同时也提升了粘附层21和防火层22的耐候性。
而粘附层21和防火层22中的至少一层也可以包覆于灯板10的边缘处。较佳地，可以是粘附层21和防火层22均包覆于灯板10的边缘处，这样灯板10的边缘处也具有了防火层22的保护，可提升对灯板10的全面防护性能。
在本申请的另一些实施例中，粘附层21的厚度为10μm~100μm。具体地，通过将粘附层21的厚度限定为10μm~100μm，如此能够使得粘附层21具有足够的粘附力，从而实现将防火层22牢固地粘设于灯板10上。
同时，通过将粘附层21的厚限制在100μm以内，如此一方面可以增加灯板10的透光度，另一方面也可以较佳地控制粘附层21的用量，从而节约阻燃型显示模组的制造成本。
在本申请的另一些实施例中，粘附层21为环氧树脂附着力促进剂层。具体地，通过将粘附层21选择为环氧树脂附着力促进剂层，这样得益于环氧树脂附着力促进剂层对于PCB板11、玻璃及树脂材料的的良好附着力，环氧树脂附着力促进剂层能够稳定可靠地附着于灯板10的PCB板11和灯珠12上，从而实现防火层22与灯板10的PCB板11和灯珠12的稳定粘合，进而提升阻燃型显示模组的防火阻燃性能。
可选地，粘附层21可以通过喷涂或蒸镀形成于灯板10上，以提升粘附层21在灯板10上的附着力。同时，还可以在附着粘附层21之前对灯板10进行等离子表面处理，从而改善灯板10的表面粘力，使得粘附层21可以较佳地附着在灯板10上。
在本申请的另一些实施例中，防火层22的厚度为50μm~300μm。具体地，通过防火层22的厚度限定为50μm~300μm，如此可使得防火层22具备较佳地防火阻燃性能。而通过将防火层22的厚限制在300μm以内，也能够增加灯板10的透光度。
在本申请的另一些实施例中，防火层22为丙烯酸防火涂料层、聚氨酯防火涂料层或氨基防火涂料层。具体地，通过将防火层22选择为丙烯酸防火涂料层，那么得益于丙烯酸防火涂料具有较佳地耐高温、耐水和耐酸碱性，可较佳地实现阻燃型显示模组的阻燃防火以及耐酸碱腐蚀性能。
而通过将防火层22选择为聚氨酯防火涂料层，那么得益于聚氨酯防火涂料具有较佳的耐高温性、韧性、耐磨性、抗老化性和粘合性，这样一方面能够实现防火层22和粘附层21具有较佳地接合牢固性，另一方面也使得防火层22具有更佳地耐候性。
通过将防火层22选择为氨基防火涂料层，那么得益于氨基防火涂料具有较佳的耐高温性和低成本性，这样一方面能够实现防火层22的较佳防火阻燃性能，另一方面也能够降低防火层22的制造成本。
在本申请的另一些实施例中，保护层23的厚度为20μm~200μm。具体地，通过将保护层23的厚度限定为20μm~200μm，如此可实现对防火层22相对于外界环境的较佳地隔离防护，避免外界的水液及杂质对防火层22造成的损害，从而较佳地提升防火层22的耐候性。
在本申请的另一些实施例中，保护层23、防火层22和粘附层21的总厚度为80μm~600μm。具体地，通过将保护层23、防火层22和粘附层21的总厚度限定为80μm~600μm，如此可以使得保护层23、防火层22和粘附层21的整体光线透过率高于60％。
在本申请的另一些实施例中，保护层23为聚氨酯涂层、丙烯酸酯涂层或聚对二甲苯涂层。具体地，通过将保护层23限定为聚氨酯涂层，这样得益于聚氨酯涂层较佳地稳定性、良好的力学性能和耐水性能，使其能够充分保护防火层22避免被外界的水液杂质侵蚀。
而通过将保护层23限定为丙烯酸酯涂层，这样得益于丙烯酸酯涂层较佳地耐热性，能够较佳地辅助防火层22实现灯板10的防火阻燃，进而也能够提升阻燃型显示模组的整体防火阻燃性能。
通过将保护层23限定为聚对二甲苯涂层，这样得益于聚对二甲苯涂层较佳地绝缘性，能够实现灯板10的整体绝缘，防止静电导致灯板10上的灯珠12短路起火等现象发生。
在本申请的另一些实施例中，如图6所示，保护层23包括第一护层24和第二护层25，第二护层25附着于粘附层21上，防火层22夹设于第一护层24和第二护层25之间。具体地，通过使得防火层22夹设于第一护层24和第二护层25之间，这样防火层22的相对两面均能够得到保护层23的良好保护，从而可防止水汽从防火层22渗入灯板10。
可选地，第一护层24和第二护层25的材料组成可以相同也可以不同。示例性地，第一护层24可以是聚氨酯涂层，而第二护层25则可以是丙烯酸酯涂层，这样第一护层24能够阻隔水汽等杂质从防火层22渗入灯板10，第二护层25则能够增强防火层22的防火阻燃性能。
在本申请的另一些实施例中，第一护层24的厚度大于或等于第二护层25的厚度。具体地，通过使得第一护层24的厚度大于或等于第二护层25的厚度，这样在保护层23整体厚度保持不变的情况下，能够实现第一护层24和第二护层25厚度的合理分配，使得保护层23能够在主要针对防火层22的外环境防护的同时，也兼顾对防火层22和灯板10之间的防护。示例性地，第一护层24的厚度可以为20μm~200μm。第二护层25的厚度则可以为20μm~150μm。
在本申请的另一些实施例中，第一护层24和第二护层25中，至少有一层包覆于灯板10的边缘。具体地，通过使得第一护层24和第二护层25至少一层包覆于灯板10的边缘，这样便可以根据阻燃型显示模组的实际使用环境，实现对灯板10的单层或双层防护。
在本申请的另一些实施例中，如图7所示，粘附层21包括第一附层26和第二附层27，第一附层26附着于灯板10上，防火层22夹设于第一附层26和第二附层27之间，保护层23附着于第二附层27上。
具体地，通过使得防火层22夹设于第一附层26和第二附层27之间，这样防火层22和灯板10，以及防火层22和保护层23之间，便能够分别通过第一附层26和第二附层27实现粘接，从而较佳地提升了灯板10、防火层22和保护层23之间的粘接牢固性，防止保护层23和防火层22之间产生空隙，避免保护层23自防火层22上脱落。
在本申请的另一些实施例中，第一附层26的厚度和第二附层27的厚度均为10μm~100μm。具体地，通过将第一附层26和第二附层27的厚度均限定为10μm~100μm，这样便能够使得第一附层26和第二附层27具有足够的粘合力，提高灯板10、防火层22和保护层23之间的粘接牢固性。
示例性地，以下列举几个具体的实施方式加以说明：
实施方式一
取粘附层21的厚度为10μm~100μm，材料为环氧树脂附着力促进剂。防火层22的厚度为50μm~300μm，材料为丙烯酸防火涂料层，保护层23的厚度为20μm~200μm，材料为聚氨酯涂层。经光照实验得到保护层23、防火层22和粘附层21的整体光线透过率为77％。
实施方式二
取粘附层21的厚度为10μm~100μm，材料为环氧树脂附着力促进剂。防火层22的厚度为50μm~300μm，材料为丙烯酸防火涂料层，保护层23分为第一护层24和第二护层25，第一护层24的厚度为20μm~200μm。第二护层25的厚度为20μm~150μm。材料均为聚氨酯涂层。经光照实验得到保护层23、防火层22和粘附层21的整体光线透过率为65％。
实施方式三
取防火层22的厚度为50μm~300μm，材料为丙烯酸防火涂料层，保护层23的厚度为20μm~200μm，材料为聚氨酯涂层。粘附层21包括第一附层26和第二附层27，第一附层26的厚度和第二附层27的厚度均为10μm~100μm。经光照实验得到保护层23、防火层22和粘附层21的整体光线透过率为81％。
实施方式四
取粘附层21的厚度为10μm~100μm，材料为环氧树脂附着力促进剂。防火层22的厚度为50μm~300μm，材料为丙烯酸防火涂料层，保护层23的厚度为20μm~200μm，材料为聚氨酯涂层。粘附层21正对于相邻的灯珠12之间的空隙区域的位置形成有第一随形槽，防火层22正对于第一随形槽的部分填充于第一随形槽内。防火层22正对于第一随形槽的部分形成有和第一随形槽的构型相匹配的第二随形槽，保护层23正对于第二随形槽的部分填充于第二随形槽内。经光照实验得到保护层23、防火层22和粘附层21的整体光线透过率为75％。
以上仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。

Claims (18)

  1. 一种阻燃型显示模组，其特征在于：包括：
    灯板，所述灯板包括PCB板和设置于所述PCB板上的多个灯珠；
    防火层，所述防火层覆盖于所述灯板；
    粘附层，所述粘附层附着于所述PCB板上，并覆盖于各所述灯珠，所述粘附层正对于相邻的所述灯珠之间的空隙区域的位置形成有第一随形槽；
    所述防火层通过所述粘附层和所述灯板相隔离，且所述防火层正对于所述第一随形槽的部分填充于所述第一随形槽内；
    保护层，所述保护层覆盖于所述防火层。
  2. 根据权利要求1的阻燃型显示模组，其特征在于：所述防火层正对于所述第一随形槽的部分形成有和所述第一随形槽的构型相匹配的所述第二随形槽，所述保护层正对于所述第二随形槽的部分填充于所述第二随形槽内。
  3. 根据权利要求1的阻燃型显示模组，其特征在于：所述保护层包覆于所述灯板的边缘，所述粘附层和所述防火层中的至少一层包覆于所述灯板的边缘。
  4. 根据权利要求1的阻燃型显示模组，其特征在于：所述粘附层的厚度为10μm~100μm。
  5. 根据权利要求1的阻燃型显示模组，其特征在于：所述粘附层为环氧树脂附着力促进剂层。
  6. 根据权利要求1的阻燃型显示模组，其特征在于：所述防火层的厚度为50μm~300μm。
  7. 根据权利要求1的阻燃型显示模组，其特征在于：所述防火层为丙烯酸防火涂料层、聚氨酯防火涂料层或氨基防火涂料层。
  8. 根据权利要求1的阻燃型显示模组，其特征在于：所述保护层的厚度为20μm~200μm。
  9. 根据权利要求1的阻燃型显示模组，其特征在于：所述保护层为聚氨酯涂层、丙烯酸酯涂层或聚对二甲苯涂层。
  10. 根据权利要求1~9任一项的阻燃型显示模组，其特征在于：所述保护层包括第一护层和第二护层，所述第二护层附着于所述粘附层上，所述防火层夹设于所述第一护层和所述第二护层之间。
  11. 根据权利要求10的阻燃型显示模组，其特征在于：所述第一护层的厚度大于或等于所述第二护层的厚度。
  12. 根据权利要求10的阻燃型显示模组，其特征在于：所述第一护层的厚度为20μm~200μm。
  13. 根据权利要求10的阻燃型显示模组，其特征在于：所述第二护层的厚度为20μm~150μm。
  14. 根据权利要求10的阻燃型显示模组，其特征在于：所述第一护层和所述第二护层中，至少有一层包覆于所述灯板的边缘。
  15. 根据权利要求1~9任一项的阻燃型显示模组，其特征在于：所述粘附层包括第一附层和第二附层，所述第一附层附着于所述灯板上，所述防火层夹设于所述第一附层和所述第二附层之间，所述保护层附着于所述第二附层上。
  16. 根据权利要求15的阻燃型显示模组，其特征在于：所述第一附层的厚度和所述第二附层的厚度均为10μm~100μm。
  17. 根据权利要求1~9任一项的阻燃型显示模组，其特征在于：所述灯板包括PCB板和设置于所述PCB板上的多个灯珠，所述粘附层附着于所述PCB板上，并覆盖于各所述灯珠。
  18. 一种显示屏，包括权利要求1~17任一项所述的阻燃型显示模组。
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JPH11259019A (ja) * 1998-03-12 1999-09-24 Sharp Corp Ｌｅｄ表示器
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JPH11259019A (ja) * 1998-03-12 1999-09-24 Sharp Corp Ｌｅｄ表示器
CN106228912A (zh) * 2016-07-29 2016-12-14 上海铁歌科技有限公司 一种可粘贴的超薄全彩led薄膜显示屏
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