WO2018040183A1

WO2018040183A1 - Display screen assembly for home appliances, and washing machine or clothes dryer having same

Info

Publication number: WO2018040183A1
Application number: PCT/CN2016/100898
Authority: WO
Inventors: 孙铭超; 张海龙; 刘欣
Original assignee: 无锡小天鹅股份有限公司
Priority date: 2016-08-31
Filing date: 2016-09-29
Publication date: 2018-03-08

Abstract

Disclosed are a display screen assembly (100) for home appliances, and a washing machine or a clothes dryer having same. The display screen assembly comprises: a display screen (10); a backlight module (20), the backlight module (20) being arranged at a back face of the display screen (10), and the backlight module (20) being formed by extrusion moulding from an acrylic material and a nanometre material; and a light-emitting element (30), with at least part of the light emitted by the light-emitting element (30) being projected onto at least one face of the backlight module (20), and then being projected onto the back face of the display screen (10) via the backlight module (20).

Description

Display panel for home appliance and washing machine or dryer having the same

Technical field

The present invention relates to the field of display screen technology, and more particularly to a display screen assembly for a home appliance and a washing machine or dryer having the same.

Background technique

The display screen on a conventional washing machine or dryer is poor in brightness, affecting the user's operation and use.

Summary of the invention

The present invention aims to solve at least one of the above technical problems to some extent.

To this end, the present invention proposes a display screen assembly for a home appliance, which has a high display brightness and recognition.

A display screen assembly for a home appliance according to an embodiment of the first aspect of the present invention includes: a display screen; a backlight module, the backlight module is disposed on a back surface of the display screen, and the backlight module is made of an acrylic material and a nano material Extrusion molding; at least a portion of light emitted by the light-emitting element is projected onto at least one surface of the backlight module, and light is projected through the backlight module to a back surface of the display screen.

A display screen assembly for a home appliance according to an embodiment of the present invention, by providing a backlight module extruded from an acrylic material and a nano material on a back surface of the display screen, and projecting light emitted from the light emitting element to the display through the backlight module The back of the screen increases the brightness and recognition of the display.

In addition, the display screen assembly for a home appliance according to an embodiment of the present invention may further have the following additional technical features:

According to an embodiment of the present invention, the backlight module is extruded from an acrylic material and a nano material. When the light source is not illuminated, the backlight module is in a fully transparent state; when the light source is illuminated, the backlight module is The uniformly distributed nanomaterials in the acrylic light in the group reflect the light source, so that the entire transparent light guide plate is bright.

According to an embodiment of the invention, the light emitting element is disposed opposite to at least one sidewall of the backlight module.

According to an embodiment of the invention, the light emitting element is disposed around an outer circumference of the backlight module.

According to an embodiment of the invention, the backlight module and the display screen in the horizontal direction at least partially coincide.

According to an embodiment of the invention, the backlight module and the display screen in the horizontal direction completely coincide.

According to an embodiment of the invention, the backlight module is attached to the back of the display screen.

According to an embodiment of the present invention, the display screen assembly further includes: a fixing frame, the fixing frame includes: an upper plate, a lower plate and a connecting side plate, wherein the connecting side plate is connected to the upper plate and the lower plate To define a positioning slot adapted to mount and position the backlight module, the light emitting element, and the display screen.

According to an embodiment of the invention, the inner wall of the positioning groove is provided with a reflective layer.

According to an embodiment of the invention, the reflective layer is a plated layer.

According to an embodiment of the invention, the outer peripheral surface of the fixing frame is provided with an insulating layer.

According to an embodiment of the invention, the light-emitting element is a flexible circuit board provided with a plurality of LED lamps.

According to an embodiment of the invention, the backlight module has a thickness of 1-10 mm.

A washing machine or a clothes dryer according to an embodiment of the second aspect of the present invention includes the display panel assembly for a home appliance of the above embodiment, since the display screen of the display panel assembly for a home appliance according to an embodiment of the present invention has high brightness and recognition Therefore, the washing machine or the dryer according to the embodiment of the present invention is clear in use and simple in operation.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a perspective view of a display screen assembly for a home appliance in accordance with one embodiment of the present invention;

2 is an exploded view of a display screen assembly for a home appliance in accordance with one embodiment of the present invention;

3 is a cross-sectional view of a display screen assembly for a home appliance in accordance with one embodiment of the present invention;

4 is a light path diagram of a display screen assembly for a home appliance in accordance with one embodiment of the present invention.

Reference mark:

Display assembly 100;

Display screen 10;

The backlight module 20;

Light-emitting element 30;

The fixing frame 40; the upper plate 41; the lower plate 42; the connecting side plate 43; the positioning groove 44.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

The operating table of the washing machine or dryer usually has a display screen through which various operating parameters of the washing machine or the dryer, such as time, temperature or water volume, are displayed. When the brightness of the display is not enough, various working parameters will not be accurately displayed, which will affect the user's monitoring of the working state of the washing machine or the dryer. Therefore, the present invention focuses on improving the brightness and recognition of a display screen.

A display screen assembly 100 in accordance with an embodiment of the present invention will now be described with reference to FIGS. 1-4. In a washing machine or a dryer, etc., it can be understood that the display screen 10 of the embodiment of the present invention can also be applied to other devices, such as an air conditioner, a water heater, and the like.

As shown in FIGS. 1-3, a display screen assembly 100 according to some embodiments of the present invention may include a display screen 10, a backlight module 20, and a light-emitting element 30. The display screen 10 can be any one of an LCD screen, an OLED screen, and a TFT screen.

Specifically, as shown in FIG. 2, the display screen 10 is generally a square frame, and the backlight module 20 is disposed on the back of the display screen 10. The backlight module 20 is extruded from an acrylic material and a nano material. The backlight module 20 extruded by the acrylic material and the nano material has the advantages of strong light transmittance and light weight, and the light can be reflected by the nano material uniformly distributed in the acrylic material to be collected and projected onto the display screen 10, thereby effectively improving The brightness and recognition of the display screen 10.

At least a portion of the light emitted by the light-emitting element 30 is projected onto at least one surface of the backlight module 20, and the light is projected onto the back surface of the display screen 10 through the backlight module 20. That is to say, the light emitted by the light-emitting element 30 passes through the backlight module 20, and is reflected and concentrated by the backlight module 20 to achieve brightness enhancement, and then projected onto the display screen 10, thereby improving the brightness and recognition of the display screen 10. The effect of the degree, Figure 4 shows the optical path of the display assembly of the embodiment of the present invention.

The backlight module is extruded from an acrylic material and a nano material. When no light source is irradiated, the backlight module is in a fully transparent state; when the light source is illuminated, the nano material reflective light source uniformly distributed in the acrylic in the backlight module , so that the entire transparent light guide plate is bright.

It can be understood that since both the display screen 10 and the backlight module 20 have transparency, the display screen assembly 100 exhibits a transparent display effect.

Thus, the display module 100 according to the embodiment of the present invention is provided with a backlight module 20 extruded from an acrylic material and a nano material on the back surface of the display screen 10, and the light emitting element 30 is emitted through the backlight module 20. Light is projected onto the back of the display screen 10, thereby increasing the brightness and recognition of the display screen 10.

In some embodiments of the invention, the light emitting element 30 is disposed opposite the at least one sidewall of the backlight module 20. In other words, the light-emitting element 30 is disposed toward at least one sidewall of the backlight module 20, and the light-emitting component 30 projects light onto the sidewall of the backlight module 20. The nano-material in the backlight module 20 reflects and collects light, and then Projected onto display screen 10. That is, the light-emitting element 30 and the backlight module 20 are disposed opposite to each other in the horizontal direction, and do not overlap, so that the display screen 10 can exhibit a transparent display effect.

Optionally, the light emitting element 30 is disposed around the outer circumference of the backlight module 20. In this way, the light-emitting element 30 can project light to each side wall of the backlight module 20, thereby improving the light intensity per unit area of the backlight module 20, thereby improving the brightness and recognition of the display screen 10.

In other embodiments of the present invention, the projection of the backlight module 20 and the display screen 10 in the horizontal direction at least partially coincide. The projection of the backlight module 20 in the horizontal direction may be greater than the projection of the display screen 10 in the horizontal direction, and the projection of the backlight module 20 in the horizontal direction may also be smaller than the projection of the display screen 10 in the horizontal direction.

In some embodiments, the backlight module 20 and the display screen 10 are completely coincident in the horizontal direction. That is, the backlight module 20 is disposed opposite to the display screen 10, and the projections in the horizontal direction coincide. Thereby, the surface of the display screen 10 can be projected through the backlight module 20, thereby further improving the brightness and recognition of the display screen 10.

Optionally, the backlight module 20 is attached to the back of the display screen 10. For example, the backlight module 20 is adhered to the back surface of the display screen 10 by gluing. Thereby, the entire display screen assembly 100 is compact in structure, small in size, and more suitable for installation and positioning of a small space.

The backlight module 20 may have a thickness of between 1 and 10 mm. Preferably, the backlight module 20 has a thickness of 5 mm. Thereby, it is possible to ensure that the light of the light-emitting element 30 is efficiently projected onto the display screen 10, and the volume and weight of the entire display screen assembly 100 can be reduced, so that the mounting position of the display screen assembly 100 is not limited by the spatial position.

In other embodiments of the present invention, the display screen assembly 100 may further include: a fixing frame 40. The fixing frame 40 may include an upper plate 41, a lower plate 42, and a connecting side plate 43. The connecting side plate 43 is connected between the upper plate 41 and the lower plate 42 to define a positioning groove 44 adapted to mount the positioning backlight module 20, the light emitting element 30, and the display screen 10. As shown in FIG. 1 to FIG. 3, the fixing frame 40 is a square frame, and the backlight module 20 and the display screen 10 are square structures that are matched with the square frame.

Further, as shown in FIG. 3 and FIG. 2, the backlight module 20 is located below the display screen 10 and is attached to the back surface of the display screen 10. The upper board 41 is attached to the upper surface of the display screen 10, and the lower board 42 is attached. On the lower surface of the backlight module 20 , the light-emitting element 30 surrounds the outer periphery of the backlight module 20 and closely adheres to the sidewall of the backlight module 20 . That is, the light-emitting element 30 is embedded in the positioning groove 44, and the backlight module 20 and the display screen 10 are sandwiched between the upper plate 41 and the lower plate 42.

Advantageously, the inner wall of the positioning groove 44 is provided with a reflective layer, such as a plating layer, and the light projected onto the inner wall of the positioning groove 44 is reflected by the specular reflection of the plating layer onto the sidewall of the backlight module 20, so that the light-emitting element 30 emits The light is utilized sufficiently efficiently to increase the brightness and recognition of the display screen 10.

Alternatively, the light-emitting element 30 may be a flexible circuit board provided with a plurality of LED lamps. The flexible circuit board has the advantages of high wiring density, light weight, thin thickness, and good bending property, thereby improving the mounting position of the light-emitting element 30 and the positioning groove 44, and reducing the weight and thickness of the entire display screen assembly 100.

Advantageously, the outer surface of the fixing frame 40 is provided with an insulating layer. Thereby, the circuit safety of the display panel assembly 100 is improved.

A display screen assembly 100 in accordance with an embodiment of the present invention, which generally includes a display screen 10, a backlight module 20, a light-emitting element 30, and a fixed frame 40, will be described with reference to FIGS. The light-emitting element 30 is a flexible circuit board provided with a plurality of LED lamps.

Specifically, the backlight module 20 is disposed on the back of the display screen 10. The backlight module 20 is extruded from an acrylic material and a nano material. At least a portion of the light emitted by the light-emitting element 30 is projected onto at least one surface of the backlight module 20, and the light is projected onto the back surface of the display screen 10 through the backlight module 20. The backlight module 20 has a thickness of between 1 and 10 mm.

The light emitting element 30 is disposed around the outer circumference of the backlight module 20. The projection of the backlight module 20 and the display screen 10 in the horizontal direction completely coincide. The backlight module 20 is attached to the back of the display screen 10.

The fixing frame 40 includes an upper plate 41, a lower plate 42 and a connecting side plate 43 connected between the upper plate 41 and the lower plate 42 to define a positioning backlight module 20, a light emitting element 30 and a display. The positioning groove 44 of the screen 10.

The inner wall of the positioning groove 44 is provided with a plating layer, and the outer surface of the fixing frame 40 is provided with an insulating layer.

The display screen assembly 100 according to an embodiment of the present invention has advantages of high brightness and recognition, and high safety.

A washing machine or dryer according to an embodiment of the present invention includes the display screen assembly 100 of the above embodiment, as according to the present invention The display panel 10 of the display embodiment of the present embodiment has high brightness and recognition, and therefore, the washing machine or the dryer according to the embodiment of the present invention is clear in use and simple in operation.

In the description of the present invention, it is to be understood that the orientation or positional relationship of the terms "upper", "lower", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings. It is to be understood that the invention is not to be construed as a limitation of the invention.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or connected integrally; may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly above and above the second feature, or merely the first feature level being less than the second feature.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, it is understood that the foregoing embodiments are illustrative and not restrictive Variations, modifications, alterations and variations of the above-described embodiments are possible within the scope of the invention.

Claims

A display screen assembly for a household appliance, comprising:

Display screen

a backlight module, the backlight module is disposed on a back surface of the display screen, and the backlight module is extruded by an acrylic material and a nano material;

a light emitting element, wherein at least a portion of the light emitted by the light emitting element is projected on at least one surface of the backlight module, and the light is projected onto the back surface of the display screen through the backlight module.
The display panel assembly for a home appliance according to claim 1, wherein the light emitting element is disposed opposite to at least one sidewall of the backlight module.
The display panel assembly for a home appliance according to any one of claims 1 to 2, wherein the light emitting element is disposed around an outer circumference of the backlight module.
The display screen assembly for a home appliance according to any one of claims 1 to 3, wherein the projection of the backlight module and the display screen in a horizontal direction at least partially coincide.
The display screen assembly for a home appliance according to claim 4, wherein the backlight module and the display screen in the horizontal direction completely coincide.
The display panel assembly for a home appliance according to any one of claims 1 to 5, wherein the backlight module is attached to a back surface of the display screen.
The display device assembly for a home appliance according to claim 2, further comprising: a fixing frame, the fixing frame comprising:

An upper plate, a lower plate and a connecting side plate, the connecting side plate being connected between the upper plate and the lower plate to define a backlight module suitable for mounting, the light emitting element and the display screen Positioning slot.
The display panel assembly for a home appliance according to claim 7, wherein the inner wall of the positioning groove is provided with a reflective layer.
A display panel assembly for a home appliance according to claim 8, wherein the reflective layer is a plating layer.
A display panel assembly for a home appliance according to any one of claims 7 to 9, wherein an outer surface of the fixing frame is provided with an insulating layer.
A display panel assembly for a home appliance according to any one of claims 1 to 10, wherein the light emitting element is a flexible circuit board provided with a plurality of LED lamps.
The home appliance display panel assembly according to any one of claims 1 to 11, wherein the backlight module has a thickness of 1-10 mm.
A washing machine or dryer characterized by comprising the appliance display assembly of any one of claims 1-12.