CN213424459U - Display control assembly and household appliance with same - Google Patents
Display control assembly and household appliance with same Download PDFInfo
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- CN213424459U CN213424459U CN202021976712.4U CN202021976712U CN213424459U CN 213424459 U CN213424459 U CN 213424459U CN 202021976712 U CN202021976712 U CN 202021976712U CN 213424459 U CN213424459 U CN 213424459U
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Abstract
The utility model belongs to the technical field of domestic appliance, concretely relates to show accuse subassembly and have domestic appliance who shows accuse subassembly, should show accuse subassembly and include display panel, PCB board and luminescence unit, be provided with first light trap on the display panel, the back at the display panel is connected to the PCB board, is provided with the second light trap on the PCB board, and first light trap corresponds with the second light trap, and the luminescence unit is connected at the back of PCB board, and the light that the luminescence unit sent passes in proper order the second light trap with first light trap, at least one of display panel and PCB board set to the light that the gathering luminescence unit sent. According to the utility model discloses show accuse subassembly sets up PCB board and luminescence unit at the back of backplate, reduces domestic appliance's volume, improves the utilization ratio to the space. The light emitted by the light emitting unit is collected by at least one of the display panel and the PCB, thereby reducing the crosstalk of the light emitting unit and improving the definition and brightness of the display.
Description
Technical Field
The utility model belongs to the technical field of domestic appliance, concretely relates to show accuse subassembly and have domestic appliance who shows accuse subassembly.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
At present, a commonly used display and control panel module generally comprises an LED (Light-Emitting Diode) lamp, a lamp panel, a display plastic case, a spring button, a display Board PCB (Printed Circuit Board) Board, and the like, wherein a Light-Emitting unit is welded on the lamp panel in front, the display plastic case is covered on the lamp panel, and a display membrane is attached to the front of the plastic case to form the display module, so as to achieve the functions of displaying temperature and the like. A gap is arranged between the display PCB and a substrate of the household appliance, such as a substrate of a refrigerator door body, so as to accommodate the display module and the spring keys, and related devices and control circuits are distributed on the display PCB to form a display control panel. The back of the display board PCB is provided with other elements, and when the display board PCB is assembled on a refrigerator door body or other positions, the occupied space is large, and the whole thickness of household appliances such as the refrigerator door body or the refrigerator side wall is influenced. In addition, a plurality of light-emitting units are combined into a double 8-shaped structure to display temperature, and when one light-emitting unit is lightened, the adjacent area which is not required to be lightened is influenced, and the phenomenon of light crosstalk occurs, so that the problems of unclear image display and brightness are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the light emitting unit crosstalk leads to the image display to be unclear and the brightness is not obvious in the prior art at least. The purpose is realized by the following technical scheme:
the utility model discloses a first aspect provides a show accuse subassembly, include:
the display panel is provided with a first light hole;
the PCB is connected to the back of the display panel, a second light hole is formed in the PCB, and the first light hole corresponds to the second light hole;
and the light emitting unit is connected to the back surface of the PCB, light emitted by the light emitting unit sequentially passes through the second light transmission hole and the first light transmission hole, and at least one of the display panel and the PCB is arranged to collect the light emitted by the light emitting unit.
According to the utility model discloses show accuse subassembly sets up PCB board and luminescence unit at the back of backplate, has cancelled the demonstration and has moulded the shell, has reduced display assembly's volume, and then has reduced domestic appliance's volume, improves the utilization ratio to the space. The light-emitting unit is connected to the back of the PCB, the PCB is connected to the back of the display panel, and the PCB, the light-emitting unit and other elements share the space, so that the size of the household appliance is further reduced. Be provided with the second light trap on the PCB board, be provided with first light trap on the display panel, first light trap corresponds with the second light trap, the light that the luminescence unit sent passes second light trap and first light trap in proper order, at the in-process of light propagation, the region that originally need not light can receive the influence of lighting luminous luminescence unit, the phenomenon of crosstalk appears, lead to the unclear problem of image display, consequently, the light that at least one gathering luminescence unit in display panel and the PCB board sent, in order to reduce luminescence unit's crosstalk, improve definition and the luminance of demonstration.
In some embodiments of the present invention, a first light shielding layer is disposed on a hole wall of at least one of the first light transmission hole and the second light transmission hole.
In some embodiments of the present invention, the first light shielding layer includes a copper layer disposed on the hole wall and a tin layer disposed on the copper layer.
In some embodiments of the present invention, the size of the second light transmission hole is smaller than the size of the first light transmission hole.
The utility model discloses an in some embodiments, show accuse subassembly still includes the intermediate lamella, the intermediate lamella sets up the display panel with between the PCB board, be provided with the third light trap on the intermediate lamella, first light trap the second light trap with the third light trap corresponds.
In some embodiments of the present invention, the size of the second light hole is smaller than or equal to the size of the third light hole, and the size of the third light hole is smaller than or equal to the size of the first light hole.
The utility model discloses a second aspect provides a show accuse subassembly, include:
the display panel is provided with a first light hole;
the PCB is connected to the back of the display panel, and a second light hole is formed in the PCB;
the middle plate is arranged between the display panel and the PCB, a third light hole is formed in the middle plate, and the first light hole, the second light hole and the third light hole correspond to each other;
the light emitting unit is connected to the back of the PCB, light emitted by the light emitting unit sequentially penetrates through the second light transmission hole, the third light transmission hole and the first light transmission hole, and the middle plate is arranged to collect the light emitted by the light emitting unit.
In some embodiments of the present invention, a second light shielding layer is disposed on the hole wall of the third light transmission hole.
In some embodiments of the present invention, the second light shielding layer includes a copper layer disposed on the hole wall and a tin layer disposed on the copper layer.
The third aspect of the utility model provides a household appliance, including above-mentioned arbitrary technical scheme show the accuse subassembly.
According to the utility model discloses domestic appliance shows with above-mentioned and controls the subassembly and has the same advantage, no longer gives unnecessary details here.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is an exploded schematic view of an embodiment of a display and control assembly according to the present invention;
fig. 2 is a schematic structural view of the light emitting unit shown in fig. 1 after being connected with a PCB;
FIG. 3 is a partial cross-sectional view of the display and control assembly of FIG. 1, shown assembled;
fig. 4 is an exploded schematic view of another embodiment of a display and control assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural view of the light emitting unit, the PCB and the middle plate shown in fig. 4 after being connected;
fig. 6 is a partial cross-sectional view of the display and control assembly of fig. 4, as assembled.
The reference symbols in the drawings denote the following:
1. a display panel; 11. a first light-transmitting hole; 12. a first light-shielding layer;
2. a PCB board; 21. a second light-transmitting hole;
3. a light emitting unit;
4. a middle plate; 41. a third light-transmitting hole; 42. a second light-shielding layer;
5. a membrane.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 to fig. 3, the display and control assembly according to an embodiment of the present invention includes:
the display panel 1, there is the first light hole 11 on the display panel 1;
the PCB 2 is connected to the back of the display panel 1, a second light hole 21 is formed in the PCB 2, and the first light hole 11 corresponds to the second light hole 21;
and the light emitting unit 3 is connected to the back surface of the PCB 2, the light emitted by the light emitting unit 3 sequentially passes through the second light transmission hole and the first light transmission hole, and at least one of the display panel 1 and the PCB 2 is arranged to collect the light emitted by the light emitting unit 3.
According to the utility model discloses show accuse subassembly sets up PCB (Printed Circuit Board) Board 2 and luminescence unit 3 at the back of backplate, has cancelled to show to mould the shell, has reduced display module's volume, and then has reduced domestic appliance's volume, improves the utilization ratio to the space. The light-emitting unit 3 is connected to the back of the PCB 2, the PCB 2 is connected to the back of the display panel 1, and the PCB 2, the light-emitting unit 3 and other elements share the space, so that the volume of the household appliance is further reduced. When the display control assembly is installed on a refrigerator, more installation space is reserved on a door body or a side wall of the refrigerator for assembling other structures, and the utilization rate of the whole refrigerator assembly space is improved. Be provided with second light trap 21 on the PCB board 2, be provided with first light trap 11 on the display panel 1, first light trap 11 corresponds with second light trap 21, the light that luminescence unit 3 sent passes second light trap 21 and first light trap 11 in proper order, at the in-process of light propagation, the region that originally need not light up can receive the influence of lighting luminous luminescence unit 3, the phenomenon of crosstalk appears, lead to the unclear problem of image display, therefore, at least one in display panel 1 and the PCB board 2 sets up the light that the gathering luminescence unit 3 sent, it leads to the crosstalk to other adjacent regional propagations to reduce luminescence unit 3 through the gathering, improve the definition and the luminance of demonstration.
It should be noted that, the display panel 1 and the PCB panel 2 are both plate-shaped structures, a side of the display panel 1 facing the external environment is defined as a front surface, a side of the display panel 1 facing the inside of the household appliance is defined as a back surface, a side of the PCB panel 2 facing the external environment and the display panel 1 is defined as a front surface, and a side of the display panel 1 facing the inside of the household appliance is defined as a back surface. The PCB board 2 can be attached to the back of the display board 1 through a double-sided adhesive tape, and the fixing of the PCB board and the display board can also be realized through a clamping structure.
In some embodiments of the present invention, the Light Emitting unit can be an incandescent lamp, a halogen tungsten lamp, a fluorescent lamp or an LED (Light-Emitting Diode) lamp, and in one embodiment, the Light Emitting unit is an LED lamp, and the LED lamp has the characteristics of small volume, low power consumption and long service life. The light emitted by the light emitting unit sequentially passes through the second light transmission hole and the first light transmission hole, the light emitting unit can be partially or completely arranged in the second light transmission hole or not arranged in the second light transmission hole, only the light energy needs to be ensured to sequentially pass through the second light transmission hole and the first light transmission hole, and in one embodiment, the light emitting unit is positioned in the second light transmission hole.
In some embodiments of the present invention, as shown in fig. 1 to fig. 3, the light emitting unit 3 has a plurality of light emitting units, the corresponding second light transmitting holes 21 and the corresponding first light transmitting holes 11 are also a plurality of light emitting units, and the light emitting unit 3, the corresponding first light transmitting holes 11 and the corresponding second light transmitting holes 21 are in one-to-one correspondence.
In some embodiments of the present invention, at least one of the display panel 1 and the PCB board 2 is configured to collect the light emitted by the light emitting unit 3, and at least one of the display panel 1 and the PCB board 2 may be made of a non-light-transmitting material, or a non-light-transmitting material may be adhered to some areas of at least one of the display panel 1 and the PCB board 2, or a non-light-transmitting coating, such as ink or a metal film, may be processed on some areas of at least one of the display panel 1 and the PCB board 2. In one embodiment, an opaque coating is processed on certain areas on at least one of the display panel 1 and the PCB panel 2.
In some embodiments of the invention, an opaque coating is applied to certain areas on at least one of the display panel 1 and the PCB 2, as described above. Since the light of the light emitting unit 3 finally presents an image through the second light transmission hole 21 and the first light transmission hole 11, the first light shielding layer 12 only needs to be provided on the hole wall of at least one of the first light transmission hole 11 and the second light transmission hole 21. The first light shielding layer 12 may be provided on the hole wall of the first light-transmitting hole 11, the first light shielding layer 12 may be provided only on the hole wall of the second light-transmitting hole 21, or the first light shielding layer 12 may be provided on both the hole walls of the first light-transmitting hole 11 and the second light-transmitting hole 21. In view of the difficulty of processing and cost, in one embodiment, as shown in fig. 3, the first light shielding layer 12 is disposed on the wall of the first light-transmitting hole 11.
In some embodiments of the present invention, the first light shielding layer 12 may be black-coated with ink on the hole wall of the first light-transmitting hole 11, or may be a thin film layer formed on the hole wall of the first light-transmitting hole 11, and in one embodiment, the thin film layer is formed on the hole wall. The thin film layer can be formed on the hole wall by adopting a copper deposition process, the color of the copper layer is purple red, and the light of the white light-emitting unit 3 is finally purple red after being reflected by the copper layer. However, the mauve light is not easy to identify, so a tin spraying process is added on the basis of the copper deposition process, a tin layer is attached to the surface of the copper layer film, the tin layer is silvery white, the light reflecting effect is good, the color of the light emitting unit 3 cannot be influenced, and the brightness can be improved.
The manufacturing process of the first shading layer 12 is as follows: now, a first light hole 11 is formed in the display panel 1, and after the first light hole 11 is formed, a copper deposition process is performed to form a copper layer with a thickness of 1 μm to 5 μm (micrometer) on the hole wall of the first light hole 11, and then a tin spraying process is performed to the hole wall of the first light hole 11 to attach a tin layer with a thickness of 1 μm to 5 μm on the copper layer.
In some embodiments of the present invention, as shown in fig. 1 and 3, the light emitting unit 3 includes a light emitting portion and two pins, and the two pins are soldered on the back surface of the PCB 2 through soldering tin to be electrically connected with the printed circuit on the PCB 2, so as to supply power to the light emitting unit 3 to make the light emitting portion emit light, and the light emitting portion is located in the second light hole 21. The size of luminescence unit 3 is less than or equal to the size of second light trap 21, second light trap 21 can be to the light production that LED sent gather together the effect, make light continue to propagate to first light trap 11, the size of second light trap 21 is less than the size of first light trap 11, make the light that propagates out from second light trap 21 enter into first light trap 11 as far as possible, reduce to propagation all around to the light, the gathering of the first light shield layer 12 on the rethread first light trap 11, improve the phenomenon of bunching, improve definition and the luminance of demonstration.
In some embodiments of the present invention, as shown in fig. 1, a film 5 is further disposed on the front surface of the display panel 1, and the light emitted from the light emitting unit 3 passes through the second light hole 21 and the first light hole 11 in sequence, and finally an image is displayed on the film 5. The distance between the light-emitting unit 3 and the diaphragm 5 is related to the final display effect of the light-emitting unit 3, the distance between the light-emitting unit 3 and the diaphragm 5 needs to balance the size and the display effect, the thickness of the display panel 1 is set to be 1.6mm (millimeter), the thickness of the PCB 2 is 2.4mm-2.6mm, the overall thickness of the display control assembly is not more than 5.0mm, light emitted by the light-emitting unit 3 is softer, and the display uniformity is improved. The thickness of the display and control assembly in the prior art is 14.0mm, and compared with the prior art, the thickness of the display and control assembly in the application is obviously reduced, and the amplitude reduction exceeds 50%. The thickness of the display panel 1 is 1.6mm and the thickness of the PCB panel 2 is 2.4mm-2.6mm is only one embodiment of the size, which can be floated according to the actual situation of the home appliance.
The utility model discloses an in some embodiments, adopt 2.4mm-2.6 mm's PCB board 2 is a setting mode, because the thickness of PCB board 2 commonly used is 0.8mm-1.6mm, in order to reduce the input cost and guarantee final display effect, the thickness of display panel 1 is 1.6mm, PCB board 2 adopts commonly used 0.8mm-1.6mm, as shown in figure 4 to figure 6, add an intermediate plate 4, the thickness of intermediate plate 4 is 0.8mm-1.0mm, show that the whole thickness of accuse subassembly is no longer than 5.0mm, the light that makes luminescence unit 3 send out is softer, improve the homogeneity that shows. The thickness of the display and control assembly in the prior art is 14.0mm, and compared with the prior art, the thickness of the display and control assembly in the application is obviously reduced, and the amplitude reduction exceeds 50%. The middle plate 4 is disposed between the display panel 1 and the PCB 2, and a plurality of third light holes 41 are formed in the middle plate 4 so that the light of the light emitting unit 3 can pass through the middle plate normally, and the light emitting unit 3, the first light holes 11, the second light holes 21 and the third light holes 41 correspond to each other one by one. The thickness of the display panel 1 is 1.6mm, the thickness of the PCB panel 2 is 0.8mm to 1.6mm, and the thickness of the middle plate 4 is 0.8mm to 1.0mm is only one embodiment of the size, which can be floated according to the actual situation of the home appliance.
The utility model discloses a some embodiments, show when accuse subassembly adopts display panel 1, PCB board 2 and 4 three boards of intermediate lamella to stack the mode, on display panel 1 and PCB board 2 at least one set to the basis of gathering the light that luminescence unit 3 sent, intermediate lamella 4 can set to gather the light that luminescence unit 3 sent and also can set to the light that luminescence unit 3 sent of not gathering, has finally formed following several kinds of schemes: the display panel 1 is arranged to collect light emitted by the light emitting unit 3, the PCB 2 is arranged to collect light emitted by the light emitting unit 3, the display panel 1 and the PCB 2 are both arranged to collect light emitted by the light emitting unit 3, the display panel 1 and the intermediate plate 4 are both arranged to collect light emitted by the light emitting unit 3, the PCB 2 and the intermediate plate 4 are both arranged to collect light emitted by the light emitting unit 3, and the display panel 1, the PCB 2 and the intermediate plate 4 are all arranged to collect light emitted by the light emitting unit 3. The light emitted from the light-emitting unit 3 can be collected by using an opaque material, pasting an opaque material on certain areas, or processing an opaque coating, such as ink or a metal film, on certain areas. In one embodiment, an opaque coating is applied to certain areas on the display panel 1, the PCB 2 and the intermediate plate 4.
In some embodiments of the present invention, to increase the crosstalk prevention effect, opaque coatings are processed on some regions of the display panel 1, the PCB 2, and the middle plate 4. The provision of the opaque coating on the display panel 1 has been described in detail above and will not be described in detail here. The intermediate plate 4 is configured to collect the light emitted by the light-emitting unit 3, and the intermediate plate 4 may be made of an opaque material, or some areas on the intermediate plate 4 may be pasted with an opaque material, or some areas on the intermediate plate 4 may be processed with an opaque coating, such as ink or a metal film. For reasons of processing difficulty and cost, in one embodiment, an opaque coating is processed in certain areas on the display panel 1 and the intermediate plate 4.
In some embodiments of the present invention, the opaque coating can be black-coated with ink on the wall of the third light-transmitting hole 41, or can be a thin film layer formed on the wall of the third light-transmitting hole 41, as shown in fig. 6. The thin film layer can be formed on the hole wall by adopting a copper deposition process, the color of the copper layer is purple red, and the light of the white light-emitting unit 3 is finally purple red after being reflected by the copper layer. However, the mauve light is not easy to identify, so a tin spraying process is added on the basis of the copper deposition process, a tin layer is attached to the surface of the copper layer film, the tin layer is silvery white, the light reflecting effect is good, the color of the light emitting unit 3 cannot be influenced, the brightness can be improved, and finally, the first light shielding layer and the second light shielding layer are respectively arranged on the display panel 1 and the intermediate plate 4.
The manufacturing process of the second light shielding layer 42 is as follows: now, the third light hole 41 is processed on the middle plate 4, and after the third light hole 41 is processed, a copper deposition process is performed to form a copper layer with a thickness of 1 μm to 5 μm on the hole wall of the third light hole 41, and then a tin spraying process is performed to the hole wall of the third light hole 41 to attach a tin layer with a thickness of 1 μm to 5 μm on the copper layer.
In some embodiments of the present invention, as shown in fig. 4 and fig. 6, the size of the second light hole 21 is smaller than or equal to the size of the third light hole 41, in one embodiment, the size of the second light hole 21 is smaller than the size of the third light hole 41, the third light hole 41 can gather the light emitted from the LED, so that the light transmitted from the second light hole 21 enters the third light hole 41 as much as possible, and the second light shielding layer 42 passing through the third light hole 41 reduces the light to be transmitted all around, so that the light is continuously transmitted to the first light hole 11. The size of the third light hole 41 is smaller than or equal to the size of the first light hole 11, in one embodiment, the size of the third light hole 41 is smaller than the size of the first light hole 11, and then the light is gathered by the first light shielding layer 12 of the first light hole 11 to reduce the light transmission to the periphery, so that the crosstalk phenomenon is improved, and the display definition and brightness are improved.
Another embodiment of the utility model provides a show accuse subassembly, include:
the display panel 1, there is the first light hole 11 on the display panel 1;
the PCB 2 is connected to the back of the display panel 1, and a second light hole 21 is formed in the PCB 2;
the middle plate 4 is arranged between the display panel 1 and the PCB 2, the middle plate 4 is provided with a third light hole 41, and the first light hole 11, the second light hole 21 and the third light hole 41 correspond to each other;
and the light emitting unit 3 is connected to the back surface of the PCB board 2, and the light emitted by the light emitting unit 3 sequentially passes through the second light transmission hole, the third light transmission hole and the first light transmission hole and the middle board 4 are arranged to collect the light emitted by the light emitting unit 3.
According to the utility model discloses show accuse subassembly sets up intermediate lamella 4, PCB board 2 and luminescence unit 3 at the back of backplate, has cancelled the demonstration and has moulded the shell, has reduced display module's volume, and then has reduced domestic appliance's volume, improves the utilization ratio to the space. The light-emitting unit 3 is connected to the back of the PCB 2, the PCB 2 is connected to the back of the display panel 1, the middle plate 4 is connected between the display panel 1 and the PCB 2, the PCB 2 and the light-emitting unit 3 share the space with other elements, and the size of the household appliance is further reduced. When the display control assembly is installed on a refrigerator, more installation space is reserved on a door body or a side wall of the refrigerator for assembling other structures, and the utilization rate of the whole refrigerator assembly space is improved. Be provided with second light trap 21 on the PCB board 2, be provided with first light trap 11 on the display panel 1, be provided with third light trap 41 on the intermediate plate 4, first light trap 11, second light trap 21 and third light trap 41 correspond, the light that luminescence unit 3 sent passes second light trap 21 in proper order, third light trap 41 and first light trap 11, at the in-process of light propagation, the region that originally need not light up can receive the influence of lighting luminous luminescence unit 3, the phenomenon of crosstalk appears, lead to the problem that the image display is unclear, therefore, intermediate plate 4 sets the light that the gathering luminescence unit 3 sent, it leads to the crosstalk to adjacent other regional propagation to reduce luminescence unit 3 through the gathering, improve the definition and the luminance of demonstration. In the present embodiment, only the intermediate plate 4 has a light shielding function.
In addition, the middle plate 4 can collect the light emitted by the light-emitting unit 3 by using an opaque material, or by pasting an opaque material on certain areas, or by processing an opaque coating, such as ink or a metal film, on certain areas. In one embodiment, the intermediate plate 4 is provided with an opaque coating at certain areas, which may be black-painted on the walls of the third light-transmitting holes 41, or a thin film layer may be formed on the walls of the third light-transmitting holes 41, and in one embodiment, a thin film layer is formed on the walls of the holes. The thin film layer can be formed on the hole wall by adopting a copper deposition process, the color of the copper layer is purple red, and the light of the white light-emitting unit 3 is finally purple red after being reflected by the copper layer. However, the mauve light is not easy to identify, so a tin spraying process is added on the basis of the copper deposition process, a tin layer is attached to the surface of the copper layer film, the tin layer is silvery white, the light reflecting effect is good, the color of the light emitting unit 3 cannot be influenced, and the brightness can be improved.
The manufacturing process of the second light shielding layer 42 is as follows: now, the third light hole 41 is processed on the middle plate 4, and after the third light hole 41 is processed, a copper deposition process is performed to form a copper layer with a thickness of 1 μm to 5 μm on the hole wall of the third light hole 41, and then a tin spraying process is performed to the hole wall of the third light hole 41 to attach a tin layer with a thickness of 1 μm to 5 μm on the copper layer.
Another embodiment of the utility model provides a domestic appliance, show accuse subassembly including any above-mentioned embodiment.
In some embodiments of the present invention, the household appliance can be a refrigerator, a water purifier, a water heater, an electric cooker, a pressure cooker, etc., and in one embodiment, the household appliance is a refrigerator.
According to the utility model discloses domestic appliance shows with above-mentioned and controls the subassembly and has the same advantage, no longer gives unnecessary details here.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A display and control assembly, comprising:
the display panel is provided with a first light hole;
the PCB is connected to the back of the display panel, a second light hole is formed in the PCB, and the first light hole corresponds to the second light hole;
and the light emitting unit is connected to the back surface of the PCB, light emitted by the light emitting unit sequentially passes through the second light transmission hole and the first light transmission hole, and at least one of the display panel and the PCB is arranged to collect the light emitted by the light emitting unit.
2. The display control assembly according to claim 1, wherein a first light shielding layer is disposed on a hole wall of at least one of the first light-transmitting hole and the second light-transmitting hole.
3. The display control assembly according to claim 2, wherein the first light shielding layer comprises a copper layer disposed on the aperture wall and a tin layer disposed on the copper layer.
4. The display and control assembly of claim 1, wherein the second light-transmitting aperture is smaller in size than the first light-transmitting aperture.
5. The display control assembly according to claim 1, further comprising an intermediate plate disposed between the display panel and the PCB, wherein a third light hole is disposed on the intermediate plate, and the first light hole, the second light hole and the third light hole correspond to each other.
6. The display and control assembly of claim 5, wherein the second light hole is smaller than or equal to the third light hole, and the third light hole is smaller than or equal to the first light hole.
7. A display and control assembly, comprising:
the display panel is provided with a first light hole;
the PCB is connected to the back of the display panel, and a second light hole is formed in the PCB;
the middle plate is arranged between the display panel and the PCB, a third light hole is formed in the middle plate, and the first light hole, the second light hole and the third light hole correspond to each other;
the light emitting unit is connected to the back of the PCB, light emitted by the light emitting unit sequentially penetrates through the second light transmission hole, the third light transmission hole and the first light transmission hole, and the middle plate is arranged to collect the light emitted by the light emitting unit.
8. The display control assembly according to claim 7, wherein a second light shielding layer is disposed on the wall of the third light-transmitting hole.
9. The display control assembly according to claim 8, wherein the second light shielding layer comprises a copper layer disposed on the aperture wall and a tin layer disposed on the copper layer.
10. A domestic appliance comprising a display and control assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021976712.4U CN213424459U (en) | 2020-09-10 | 2020-09-10 | Display control assembly and household appliance with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021976712.4U CN213424459U (en) | 2020-09-10 | 2020-09-10 | Display control assembly and household appliance with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213424459U true CN213424459U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021976712.4U Active CN213424459U (en) | 2020-09-10 | 2020-09-10 | Display control assembly and household appliance with same |
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| Country | Link |
|---|---|
| CN (1) | CN213424459U (en) |
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2020
- 2020-09-10 CN CN202021976712.4U patent/CN213424459U/en active Active
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