Plane detachable light guide plate display module and household appliance display panel

Abstract

The utility model discloses a plane detachable light guide plate display module and a household appliance display panel, belonging to the household appliance display screen technology field, comprising a diaphragm, a shading filling layer, a circuit board and a frame body which are successively arranged from top to bottom, the circuit board is connected with the frame body, and the frame body is provided with a connecting part which is detachably connected with a display screen. The plane detachable light guide plate display module is connected with the panel shell of the household appliance through screws or buckles capable of being repeatedly disassembled and utilized, when the panel shell is damaged in the process of being installed on the household appliance, only the panel shell is scrapped, the internal plane detachable light guide plate display module can be completely disassembled, and therefore the panel shell is not damaged. The plane detachable light guide plate display module is installed in a qualified panel shell for the second time, the plane detachable light guide plate display module can be reused, cost is greatly saved, and the problem of pain points in the assembling process is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of household appliance display screens, and particularly relates to a flat detachable light guide plate display module and a household appliance display panel. Background Art

[0002] The applicant discloses a super-real and ultra-thin display module in a Chinese utility model patent with the application number 2022235397721 and the patent name of a super-real and ultra-thin display module, which includes a display circuit board, a foam layer, and a film arranged in sequence from bottom to top. The foam layer is provided with corresponding through holes according to the display units on the display circuit board, and the film covers the foam layer to independently block each through hole. The utility model uses an extremely thin foam layer to achieve the ultra-thin design of the entire display module, greatly saving the installation space; and achieving a super-real display visual effect in a limited space. The display module is fixed in an outer frame 3, and the back of the outer frame is filled with glue for sealing. The outer frame is provided with buckles, and the outer frame is fixed to the panel housing of the washing machine through the buckles. After being fixed by the buckles, it is not easy to disassemble. If disassembled, it will cause damage to the outer frame. However, when the upstream user assembles the panel housing of the washing machine, a small amount of panel housings will be scratched by external forces, and these panel housings will become waste products. However, the display modules inside the panel housings are relatively expensive, with each display module costing hundreds of yuan, and it is difficult to disassemble them from the panel housings, resulting in waste. Summary of the Utility Model

[0003] The technical problem solved by the utility model: Provide a flat detachable light guide plate display module and a household appliance display panel.

[0004] Technical Solution: To solve the above technical problems, the technical solution adopted by the utility model is as follows:

[0005] A flat detachable light guide plate display module includes a film, a light-shielding filling layer, a circuit board, and a frame body arranged in sequence from top to bottom. The circuit board is connected to the frame body, and a connecting component detachably connected to the display screen is arranged on the frame body.

[0006] Further, a light guide component is arranged in the light-shielding filling layer above the circuit board, and a light source is arranged on the circuit board on the side of the light guide component.

[0007] Further, a through hole for accommodating the light guide component is opened in the light-shielding filling layer.

[0008] Further, the thickness of the light-shielding filling layer is greater than the thickness of the light guide component, so that an interference fit is formed between the film and the circuit board.

[0009] Further, the light-shielding filling layer is made of an opaque soft material.

[0010] Further, the soft material is foam or rubber.

[0011] Further, the circuit board is adhesively connected to the frame, or the circuit board is riveted to the frame, or the circuit board is fixedly connected to the frame by screws.

[0012] Further, the connecting components of the detachable connection are screw connection or snap connection.

[0013] Further, glue is poured into the frame to form a sealing layer.

[0014] An appliance display screen adopts the above-mentioned planar detachable light guide plate display module, and the planar detachable light guide plate display module is detachably connected to the panel housing.

[0015] Beneficial effects: Compared with the prior art, the present utility model has the following advantages:

[0016] The planar detachable light guide plate display module and the appliance display panel of the present utility model

[0017] (1) The planar detachable light guide plate display module of the present utility model is connected to the panel housing of the appliance by screw connection or snap connection that can be repeatedly disassembled and utilized. When the panel housing is damaged during the installation process on the appliance, only the panel housing is scrapped, and the internal planar detachable light guide plate display module can be disassembled intact and reinstalled into a qualified panel housing. The planar detachable light guide plate display module can be reused, greatly saving costs and solving the pain points in the assembly process.

[0018] (2) The light-shielding filling layer of the present utility model is made of a soft but light-shielding material with an interference fit. When the planar detachable light guide plate display module is installed inside the panel housing of the appliance, after tightening the screws or snapping the snaps, due to the interference-fit light-shielding filling layer, a soft connection is formed between the planar detachable light guide plate display module and the panel housing 7, avoiding damage to the circuit board and the panel caused by rigid connection. Description of the Drawings

[0019] Figure 1 is a schematic diagram of the overall structure of the planar detachable light guide plate display module;

[0020] Figure 2 is a schematic diagram of the back structure of the planar detachable light guide plate display module;

[0021] Figure 3 is a schematic diagram of a partial structure of the planar detachable light guide plate display module;

[0022] Figure 4 is an exploded view of the planar detachable light guide plate display module;

[0023] Figure 5 It is a schematic front view structure of the home appliance display panel of Embodiment 2;

[0024] Figure 6 It is a schematic back view structure of the home appliance display panel of Embodiment 2. Specific embodiments

[0025] The following further clarifies the present utility model in conjunction with specific embodiments. The embodiments are implemented on the premise of the technical solution of the present utility model. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model.

[0026] Embodiment 1

[0027] As Figures 1-4 , the flat detachable light guide plate display module of this embodiment includes a film sheet 1, a light-shielding filling layer 2, a circuit board 3, and a frame 4 arranged in sequence from top to bottom. A light guide component 5 is also arranged in the light-shielding filling layer 2. A reflective layer is arranged between the light guide component 5 and the circuit board. The circuit board 3 is connected to the frame 4, and a connecting component detachably connected to the display screen is arranged on the frame 4.

[0028] In this embodiment, the outer sides of the film sheet 1, the light-shielding filling layer 2, the circuit board 3, and the frame 4 are all flush.

[0029] A light guide component 5 located in the light-shielding filling layer 2 is arranged above the circuit board 3. The light guide component 5 is a light guide plate. The lower surface (the side close to the circuit board) of the light guide component 5 is matte, and the upper surface is a smooth surface. A light source 6 located on the side of the light guide component 5 is arranged on the circuit board 3. The light source 6 is a side-emitting LED light source and is located on one side or both sides of the light guide plate.

[0030] The touch sensing area is arranged in the film sheet 1 to form a composite touch film, or the touch sensing area is arranged on the circuit board 3, and the touch sensing area uses copper foil or other conductive materials.

[0031] A through hole for accommodating the light guide component 5 is opened in the light-shielding filling layer 2. The position and number of the through holes are determined according to the light guide component 5. The light-shielding filling layer 2 is made of an opaque soft material, and the soft material is black foam or opaque soft rubber. The thickness of the light-shielding filling layer 2 is greater than the thickness of the light guide component 5, so that an interference fit is formed between the film sheet 1 and the circuit board 3.

[0032] The upper surface of the light-shielding filling layer 2 is adhesively fixed to the film sheet 1, and the lower surface of the light-shielding filling layer 2 is adhesively fixed to the circuit board 5.

[0033] Therefore, based on the above settings, the light-shielding filling layer 2 in this embodiment has at least three functions: First, the light-shielding filling layer 2 can block light for the light guide component 5 to effectively prevent light leakage and crosstalk between different display areas; Second, the light-shielding filling layer 2 can play a positioning role to accurately fix the position of the light guide component 5; Third, the thickness of the light-shielding filling layer 2 in this embodiment is greater than that of the light guide component 5, so that an interference fit is formed between the diaphragm 1 and the circuit board 3, and a soft material is used, which can show the soft connection between the diaphragm 1 and the circuit board, avoiding damage to the circuit board or the panel of the household appliance caused by rigid connection.

[0034] The circuit board 3 is adhesively connected to the frame 4, or the circuit board 3 is riveted to the frame 4, or the circuit board 3 is fixedly connected to the frame 4 by screws. As Figure 2 shown, the circuit board 3 and the frame 4 are adhesively connected with glue.

[0035] The detachable connection component is a screw connection or a snap connection. When using a screw connection, as Figure 2 shown, connection ears 41 integrally formed with the frame 4 can be provided on the side of the frame 4, and screw holes 42 are provided on the connection ears 41 for fixing the entire display module to the panel housing 7. A combination of screws and snaps can also be used, and the snap is a reusable snap.

[0036] Reinforcing ribs 43 are provided inside the border of the frame 4. The reinforcing ribs 43 can not only increase the firmness of the frame 4, but also facilitate the even distribution of the sealant when the frame 4 is filled with glue. Glue is filled inside the frame 4 on the back of the circuit board to form a glue filling layer 8.

[0037] Embodiment 2

[0038] As Figures 5-6 shown, this embodiment discloses a household appliance display screen, which uses the above-mentioned planar detachable light guide plate display module. The planar detachable light guide plate display module is detachably connected to the panel housing 7, using a screw connection or a reusable snap connection. When the planar detachable light guide plate display module is installed inside the panel housing 7 of the household appliance, after tightening the screws or snapping the snaps, due to the interference fit light-shielding filling layer 2 provided, a soft connection is formed between the planar detachable light guide plate display module and the panel housing 7, avoiding damage to the circuit board and the panel housing 7 caused by rigid connection.

[0039] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A flat detachable light guide plate display module, characterized in that: The device comprises a membrane (1), a light-shielding filling layer (2), a circuit board (3) and a frame (4) which are arranged in sequence from top to bottom. The circuit board (3) is connected to the frame (4), and a connecting component which is detachably connected to a display screen is arranged on the frame (4).

2. The flat detachable light guide plate display module according to claim 1, characterized in that: A light guide component (5) located in the light-shielding filling layer (2) is arranged above the circuit board (3), and a light source (6) located on the side of the light guide component (5) is arranged on the circuit board (3).

3. The flat detachable light guide plate display module according to claim 2, characterized in that: The touch sensing area is arranged in the membrane (1), or the touch sensing area is arranged on the circuit board (3).

4. The flat detachable light guide plate display module according to claim 2, characterized in that: The thickness of the light-shielding filling layer (2) is greater than the thickness of the light-guiding component (5), so that an interference fit is formed between the diaphragm (1) and the circuit board (3).

5. The flat detachable light guide plate display module according to claim 1, characterized in that: The light-shielding filling layer (2) is made of a light-proof soft material.

6. The flat detachable light guide plate display module according to claim 5, characterized in that: The soft material is foam or rubber.

7. The flat detachable light guide plate display module according to claim 1, characterized in that: The circuit board (3) and the frame (4) are connected by bonding, or the circuit board (3) and the frame (4) are riveted, or the circuit board (3) and the frame (4) are fixedly connected by screws.

8. The flat detachable light guide plate display module according to claim 1, characterized in that: The detachably connected connection part is a screw connection or a snap connection.

9. The flat detachable light guide plate display module according to claim 1, characterized in that: Glue is poured into the frame (4) to form a sealing layer.

10. A home appliance display screen, using the planar detachable light guide plate display module according to any one of claims 1 to 9, wherein the planar detachable light guide plate display module is detachably connected to a panel housing (7).

Images