Large-size LED display panel

Abstract

The utility model discloses a large-size LED display panel which sequentially comprises a touch film, a shell, a PCB main board connected with the touch film and a silica gel potting layer from top to bottom, and the PCB main board is located in a closed cavity formed by the shell, a first glue injection layer, a central glue injection layer, a second glue injection layer and the silica gel potting layer. Therefore, the first glue injection layer, the central glue injection layer, the second glue injection layer and the silica gel potting layer are utilized to achieve high sealing performance and high waterproofness of the panel, meanwhile, the first glue injection layer, the central glue injection layer and the second glue injection layer achieve filtering of light, and it is guaranteed that the light sensation of a touch area of the touch film is soft.

Description

TECHNICAL FIELD

[0001] The utility model relates to a large -size LED display panel especially relates to a large -size LED display panel with compact structure, good sealing and waterproof performance is applicable to large -scale household electrical appliances occasion uses. BACKGROUND

[0002] Large -scale household electrical appliances (washing machine, drying integrated machine etc.) are equipped with the panel of high integration, and the panel of traditional structure includes shell, control panel touch screen set up on the shell, PCB circuit board set up below the shell, but this structure, dust and water vapor etc. can enter the PCB circuit board through the control panel touch screen, and the service life of the panel is seriously affected, meanwhile, the air medium exists between the PCB circuit board and the touch screen, and there are problems such as not soft light feeling in the touch area. Therefore, the utility model provides a large -size LED display panel with good sealing and waterproof performance. SUMMARY

[0003] The utility model solves the technical problem to provide a large -size LED display panel with compact structure, good sealing and waterproof performance.

[0004] To solve the above -mentioned technical problem, the technical scheme of the utility model is as follows: a large -size LED display panel, the innovation point of which lies in that the large -size LED display panel sequentially includes touch film, shell, PCB mainboard connected with the touch film, silica gel potting layer from top to bottom, and the touch film is sequentially provided with first function selection area, digital display area and second function selection area from left to right, and the shell is sequentially provided with first hollow area, central hollow area and second hollow area corresponding to the first function selection area, digital display area and second function selection area from left to right.

[0005] The first hollow area is provided with a plurality of first preset holes matched with the first function selection area and penetrating up and down, and the first preset hole is filled with the first glue layer between the touch film and the PCB mainboard.

[0006] The central hollow area is provided with a plurality of central preset holes matched with the digital display area and penetrating up and down, and the central preset hole is filled with the central glue layer between the touch film and the PCB mainboard.

[0007] The second hollow area is provided with a plurality of second preset holes matched with the second function selection area and penetrating up and down, and the second preset hole is filled with the second glue layer between the touch film and the PCB mainboard.

[0008] Preferably, the first function selection area is provided with reinforced rinsing touch area, reinforced drying touch area and lower layer speed washing touch area.

[0009] Preferably, the digital display area comprises a first mode selection touch area, a time display area and a second mode selection touch area, the first mode selection touch area sets four modes of quick washing, daily washing, super washing and energy saving washing; the time display area displays working hours; the second mode selection touch area sets crystal washing, intelligent washing, mute washing and cloud washing.

[0010] Preferably, the second function selection area comprises a cleaning storage touch area, a steam sterilization touch area and a program selection touch area.

[0011] Preferably, a containing cavity is arranged around the touch film on the shell, and a sealing ring in the shape of a mouth is embedded in the containing cavity.

[0012] Preferably, the first glue injection layer, the central glue injection layer and the second glue injection layer are filled with one of polyimide glue, heat-resistant epoxy glue, phenolic resin glue, urea-formaldehyde resin glue and silicone glue.

[0013] Preferably, the PCB mainboard is located in a closed cavity formed by the shell, the first glue injection layer, the central glue injection layer, the second glue injection layer and the silicone pouring layer.

[0014] Preferably, the silicone pouring layer is filled with epoxy silicone.

[0015] The utility model discloses the advantages are as follows: through adopting above -mentioned structure, large -size LED display panel from top to bottom includes touch film, shell, with PCB mainboard that touch film is connected, silicone pouring layer in proper order, and PCB mainboard is located in the closed cavity formed by shell, first glue injection layer, central glue injection layer, second glue injection layer and silicone pouring layer, thereby utilizing first glue injection layer, central glue injection layer, second glue injection layer and silicone pouring layer realize the high sealing of panel's panel, and good high waterproof property, and first glue injection layer, central glue injection layer, second glue injection layer realize the filtration of light, and guarantee the light feeling of touch film touch area is soft. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be described in further detail below in combination with the drawings and specific embodiment.

[0017] Figure 1 It is a structure schematic diagram of a large -size LED display panel of the utility model.

[0018] Figure 2 It is a perspective view of a large -size LED display panel of the utility model omitting touch film.

[0019] Figure 3 It is a plan view of a large -size LED display panel of the utility model.

[0020] In the figure: 1-touch film, 11-first function selection area, 12-digital display area, 13-second function selection area, 2-housing, 21-first hollow area, 22-central hollow area, 23-second hollow area, 3-PCB mainboard, 4-silica gel filling layer, 5-first glue injection layer, 6-central glue injection layer, 7-second glue injection layer, 8-sealing ring. DETAILED DESCRIPTION

[0021] The large-size LED display panel comprises, from top to bottom, a touch film 1, a housing 2, a PCB mainboard 3 connected with the touch film 1, and a silica gel filling layer 4.

[0022] The first hollow area 21 is provided with a plurality of first preset holes matched with the first function selection area 11 and penetrating through the first function selection area 11 from top to bottom, and the first preset holes are filled with the first glue injection layer 5 between the touch film 1 and the PCB mainboard 3; the central hollow area 22 is provided with a plurality of central preset holes matched with the digital display area 12 and penetrating through the digital display area 12 from top to bottom, and the central preset holes are filled with the central glue injection layer 6 between the touch film 1 and the PCB mainboard 3; and the second hollow area 23 is provided with a plurality of second preset holes matched with the second function selection area 13 and penetrating through the second function selection area 13 from top to bottom, and the second preset holes are filled with the second glue injection layer 7 between the touch film 1 and the PCB mainboard 3.

[0023] By adopting the above structure, the large-size LED display panel comprises, from top to bottom, the touch film 1, the housing 2, the PCB mainboard 3 connected with the touch film 1, and the silica gel filling layer 4, and the PCB mainboard 3 is located in a sealed cavity formed by the housing 2, the first glue injection layer 5, the central glue injection layer 6, the second glue injection layer 7, and the silica gel filling layer 4, so that the first glue injection layer 5, the central glue injection layer 6, the second glue injection layer 7, and the silica gel filling layer 4 are utilized to realize high sealing and high waterproofness of the panel, and the first glue injection layer 5, the central glue injection layer 6, and the second glue injection layer 7 are utilized to filter light and ensure soft light feeling of the touch area of the touch film 1.

[0024] The first function selection area 11 is provided with a strengthened rinsing touch area, a strengthened drying touch area, and a lower-speed washing touch area. The digital display area 12 comprises a first mode selection touch area, a time display area, and a second mode selection touch area, the first mode selection touch area is provided with four modes of speed washing, daily washing, super-clean washing, and energy-saving washing, the time display area displays working hours, and the second mode selection touch area is provided with modes of crystal-clear washing, intelligent washing, silent washing, and cloud washing. The second function selection area 13 comprises a cleaning storage touch area, a steam sterilization touch area, and a program selection touch area.

[0025] In order to achieve better sealing and waterproof effect, the ring touch film 1 is provided with a containing cavity around the shell 2, and a sealing ring 8 in the shape of a mouth is embedded in the containing cavity. In order to guarantee the filtering of light and the softness of light, the first glue layer 5, the central glue layer 6 and the second glue layer 7 are filled with one of polyimide glue, heat-resistant epoxy glue, phenolic resin glue, urea-formaldehyde resin glue and silicone glue. The PCB mainboard 3 is located in the closed chamber formed by the shell 2, the first glue layer 5, the central glue layer 6, the second glue layer 7 and the silicone filling layer 4. In order to achieve waterproof below the PCB mainboard 3, the silicone filling layer 4 is filled with epoxy silicone.

[0026] It is to be understood that the above description is intended to be illustrative and not restrictive. Many embodiments and many applications besides the examples provided herein will be apparent to those of skill in the art upon reading the above description. The scope of the application should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated by reference for the purpose of the present application. Any aspect of the subject matter disclosed herein that is not recited in the claims is hereby abandoned.

Claims

1. A large-size LED display panel, characterized in that: The large-size LED display panel comprises, from top to bottom, a touch film, a shell, a PCB mainboard connected with the touch film, and a silica gel filling layer. The touch film is provided, from left to right, with a first function selection area, a digital display area, and a second function selection area. The first function selection area is provided with a plurality of first preset holes penetrating from top to bottom and matched with the first function selection area. The first preset holes are filled with a first glue injection layer between the touch film and the PCB mainboard.

2. The large-size LED display panel of claim 1, wherein: The central hollow area is provided with a plurality of central preset holes penetrating from top to bottom and matched with the digital display area.

3. The large-size LED display panel of claim 1, wherein: The central preset holes are filled with a central glue injection layer between the touch film and the PCB mainboard.

4. The large-size LED display panel of claim 1, wherein: The second hollow area is provided with a plurality of second preset holes penetrating from top to bottom and matched with the second function selection area.

5. The large-size LED display panel of claim 1, wherein: The second preset holes are filled with a second glue injection layer between the touch film and the PCB mainboard.

6. The large-size LED display panel of claim 1, wherein: The first function selection area is provided with a strengthened rinsing touch area, a strengthened drying touch area, and a lower layer quick washing touch area.

7. The large-size LED display panel according to claim 1, wherein: The digital display area comprises a first mode selection touch area, a time display area, and a second mode selection touch area.

8. The large-size LED display panel of claim 7, wherein: The first mode selection touch area sets four modes of quick washing, daily washing, super-clean washing, and energy-saving washing. The time display area displays working hours. The second mode selection touch area sets modes of crystal bright washing, intelligent washing, silent washing, and cloud washing. The second function selection area comprises a cleaning storage touch area, a steam sterilization touch area, and a program selection touch area. The shell is provided around the touch film with a containing cavity. The containing cavity is embedded with a sealing ring in the shape of a mouth. The first glue injection layer, the central glue injection layer, and the second glue injection layer are filled with one of polyimide glue, heat-resistant epoxy glue, phenolic resin glue, urea-formaldehyde resin glue, and organic silicone glue. The PCB mainboard is located in a closed cavity formed by the shell, the first glue injection layer, the central glue injection layer, the second glue injection layer, and the silica gel filling layer. The silica gel filling layer is filled with epoxy resin silica gel.

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