CN215990741U - Display assembly and electric appliance - Google Patents
Display assembly and electric appliance Download PDFInfo
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- CN215990741U CN215990741U CN202121930057.3U CN202121930057U CN215990741U CN 215990741 U CN215990741 U CN 215990741U CN 202121930057 U CN202121930057 U CN 202121930057U CN 215990741 U CN215990741 U CN 215990741U
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- circuit board
- display assembly
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Abstract
The utility model provides a display assembly and an electric appliance, the display assembly comprises: the display panel, the circuit board and the light source are sequentially arranged from top to bottom; the circuit board is provided with a key pattern display area, and light rays emitted by the light source penetrate through the key pattern display area to be projected on the display panel so as to form a key pattern on the display panel. The display assembly provided by the utility model only comprises the light source, the circuit board and the panel, so that the production processes of the display assembly are reduced, a silk-screen film is not required to be arranged, and the silk-screen film is prevented from damaging the appearance of the key while the key production processes are reduced.
Description
Technical Field
The utility model relates to the technical field of electric appliances, in particular to a display assembly and an electric appliance.
Background
The existing electric switch mainly comprises a mechanical touch key, a micro-motion key, an induction touch key and the like. The touch key is firstly used in high-end products, and in recent years, the touch key is widely applied to high-end and medium-end products, and has many advantages over mechanical keys, such as: when the key is operated, the key does not need to be pressed by force and is sensitive to operation, the key is insulated from the part contacted with a human body, the key can be integrated with the panel, and the integral aesthetic feeling of the appearance cannot be influenced.
Most of the existing induction type touch keys are printed with key silk screen printing or other indication patterns on a panel of an induction area so as to facilitate the operation of a user. However, such an indication pattern itself does not have a light emitting effect, and in a case where light is dark, it is inconvenient for a user to distinguish each key, and it is easy to cause an erroneous operation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a display assembly, and aims to solve the problems that in the prior art, a key needs a silk-screen printing film, key preparation procedures are increased, and the attractiveness of the key is influenced.
In one aspect, the present invention provides a display assembly comprising:
the display panel, the circuit board and the light source are sequentially arranged from top to bottom;
the circuit board is provided with a key pattern display area, and light rays emitted by the light source penetrate through the key pattern display area to be projected on the display panel so as to form a key pattern on the display panel.
In a possible implementation manner of the present invention, the circuit board includes a plurality of protrusions, the plurality of protrusions form a plurality of keys in the display component, and the key patterns are disposed on surfaces of the plurality of keys.
In one possible implementation of the utility model, the height of the plurality of protrusions is between 0.5 mm and 1 mm.
In a possible implementation manner of the present invention, the plurality of protrusions are copper foils disposed on the circuit board, and no copper foil is disposed at a position corresponding to the key pattern in the plurality of protrusions.
In one possible implementation manner of the present invention, the key pattern is white.
In a possible implementation manner of the present invention, the plurality of protrusions are circular ring structures, and the key pattern is projected on a central portion of the circular ring structures.
In one possible implementation manner of the present invention, the light source includes a plurality of light emitting devices, and the plurality of light emitting devices correspond to the plurality of protrusions one to one.
In a possible implementation manner of the present invention, the key further includes: the injection molding is arranged above the light source, and the injection molding is arranged below the circuit board.
In a possible implementation manner of the utility model, the injection molding part comprises a plurality of lamp cavities, each lamp cavity is internally provided with a light through hole, the plurality of light emitting devices are arranged inside the plurality of lamp cavities, and light rays emitted by the light emitting devices are arranged in a one-to-one correspondence manner with the plurality of keys through the light through holes.
In another aspect, the present invention provides an appliance comprising a display assembly as described in any one of the above.
The display assembly provided by the utility model only comprises the light source, the circuit board and the panel, so that the production processes of the display assembly are reduced; and a silk-screen printing film is not required to be arranged, so that the production procedures are reduced, and the phenomenon that the silk-screen printing film damages the appearance of the display module is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of a key on a circuit board according to the present invention;
FIG. 3 is a top view of an embodiment of an injection molded part provided by embodiments of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present disclosure, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the utility model with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
Embodiments of the present invention provide a display module and an electrical appliance, which are described in detail below.
Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present invention.
The display module provided by the utility model can comprise:
the display panel, the circuit board and the light source are sequentially arranged from top to bottom;
the circuit board is provided with a key pattern display area, and light rays emitted by the light source penetrate through the key pattern display area to be projected on the display panel so as to form a key pattern on the display panel.
The display assembly provided by the utility model only comprises the light source, the circuit board and the panel, so that the production processes of the display assembly are reduced; and a silk-screen printing film is not required to be arranged, so that the key production process is reduced, and the condition that the silk-screen printing film damages the appearance of the key is avoided.
Referring to fig. 1, the display module shown in fig. 1 includes a light source 10, a circuit board 20 and a panel 30 stacked in sequence from bottom to top. Wherein, the Light source may be a Light Emitting Diode (LED), and the circuit board 20 is disposed above the Light source 10; the light emitted from the light source 10 reaches the circuit board 20 first. The circuit board is provided with a key pattern display area, and the key pattern display area is usually provided with patterns corresponding to keys, such as alphanumeric numbers 1-9 corresponding to the keys; these letters (or patterns) are projected onto a panel 30 disposed above the circuit board 20; and the user can press the corresponding key through the text on the panel 30.
In an embodiment of the present invention, the Circuit Board may be a flexible Circuit Board (PCB), and the Circuit Board 20 may include a plurality of protrusions, where the plurality of protrusions form a plurality of keys in the display module, and a surface of the plurality of protrusions is provided with a key pattern; namely, the key patterns are arranged on the surfaces of the plurality of keys. When the user presses the key corresponding to a different letter, it is actually a bump in the circuit board 20 that is pressed.
Since the keys in the display assembly provided by the utility model are hidden touch keys, namely, the keys are hidden, the height of the bumps on the circuit board 20 cannot be too high. In the present invention, the height of the plurality of protrusions may be between 0.5 mm and 1 mm. Specifically, the height of the plurality of protrusions may be 0.5 mm, and the heights of the plurality of protrusions are the same.
In the display module provided by the utility model, the circuit board 20 comprises a sensing area and a copper laying forbidding area, wherein the sensing area is a raised area in the circuit board, namely, a plurality of projections can be copper foils arranged on the circuit board 20; therefore, when a user presses the key formed by the protrusion, the operation of the user can be sensed, and the function of the key is realized.
In the above embodiment, since the key pattern is also disposed on the circuit board 20, a copper-laying prohibition area is also required to be disposed on the circuit board, so that light can pass through the circuit board 20. Because the key pattern is usually arranged inside the key, the copper laying prohibition area in the circuit board is arranged inside the bump; namely, at the same time of preparing and forming the bump on the circuit board 20, a copper laying prohibition area corresponding to the key pattern is formed inside the bump. It can be understood that the copper laying forbidding area is the position corresponding to the pattern in the plurality of bulges, which is not provided with the copper foil. The light from the light source 10 transmits through the copper-spreading prohibited area, and the shape corresponding to the copper-spreading prohibited area is mapped on the panel 30, so as to finally form a key pattern corresponding to the key. That is, in the embodiment of the present application, the bump in the circuit board 20 forms a key in the display module, and the bump is further provided with a copper-spreading-prohibited area, where the copper-spreading-prohibited area is the same as the key pattern, and the copper-spreading-prohibited area is the key pattern display area. The key pattern is projected on the display panel under the action of the light source, so that the user can select the key pattern conveniently.
Fig. 2 is a top view of an embodiment of a key on a circuit board according to an embodiment of the present invention. In the embodiment of the present invention, the plurality of protrusions on the circuit board 20 may be circular ring structures as shown in fig. 2. 201 in the figure is a copper laying forbidding area in the circuit board, and characters (or patterns) corresponding to the keys are arranged in the copper laying forbidding area; namely, the characters in the keys are arranged at the central part of the circular ring structure. And 202 is a sensing area of the touch key on the circuit board, that is, the area corresponding to 202 is touched by the user, so that the circuit board can sense the touch action of the user.
In the above embodiment, the characters disposed inside the copper-laying prohibition area may be white characters, so that the transmittance of light can be increased, and only a light source 10 with smaller power is needed.
In other embodiments of the present invention, the display assembly may further include an injection molded part 40, wherein the injection molded part 40 is disposed above the light source 10 while the injection molded part 40 is also disposed below the circuit board 20; i.e. the injection-molded part is arranged between the light source 10 and the circuit board.
In the above embodiment, the injection-molded part 40 may include a plurality of lamp cavities, and the light source may also be a plurality of light-emitting devices disposed inside the plurality of lamp cavities; i.e. each lamp cavity is provided with a light emitting device. Light-transmitting holes are formed in each lamp cavity, and light emitted by the light source (namely, a light-emitting device) reaches the circuit board 20 through the light-transmitting holes; after the light reaches the circuit board 20, the light passes through the copper laying prohibition area (i.e., the position corresponding to the characters on the keys) on the circuit board 20, and then the characters are mapped on the panel, so that the key hiding is realized.
FIG. 3 is a top view of an embodiment of an injection molded part provided by embodiments of the present application. In fig. 3, the light source 10 is mounted in the lamp cavity of the injection-molded part 40, i.e. in the position 301 in fig. 3; the light source 10 includes not only truly luminous LEDs, but also other structures such as wires; that is, in the embodiment of the present invention, the wires and other structures in the light source 10 are installed in the lamp cavity of the injection-molded part 40, i.e., at the position 301 in the figure. And the LED really realizing the light emitting is arranged at the position 302 in the figure, namely the position corresponding to the characters on the key.
With the arrangement, after the LED at the 302 position emits light, light irradiates the 201 position on the circuit board through the light through hole arranged on the lamp cavity, and the characters corresponding to the keys at the 201 position transmit light under the irradiation of the light, and are finally mapped on the panel 30, thereby implementing the display module provided by the embodiment of the utility model.
An embodiment of the present invention further provides an electrical apparatus, where the electrical apparatus includes a display component, and the display component may include any one of the display components described above, so that all advantages of the display component in this embodiment are also provided.
The display module and the electrical appliance provided by the embodiment of the utility model are described in detail, and the principle and the embodiment of the utility model are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A display assembly, comprising:
the display panel, the circuit board and the light source are sequentially arranged from top to bottom;
the circuit board is provided with a key pattern display area, and light rays emitted by the light source penetrate through the key pattern display area to be projected on the display panel so as to form a key pattern on the display panel.
2. The display assembly of claim 1, wherein the circuit board comprises a plurality of bumps forming a plurality of keys in the display assembly, the plurality of key surfaces being provided with the key pattern.
3. The display assembly of claim 2, wherein the plurality of protrusions have a height between 0.5 millimeters and 1 millimeter.
4. The display assembly of claim 2, wherein the plurality of protrusions are copper foils disposed on the circuit board, and no copper foil is disposed at a position corresponding to the key pattern in the plurality of protrusions.
5. The display assembly of claim 4, wherein the plurality of protrusions are circular ring structures, and the key pattern is projected on a central portion of the circular ring structures.
6. The display assembly of claim 4, wherein the key pattern is white.
7. The display assembly of claim 2, wherein the light source comprises a plurality of light emitting devices in one-to-one correspondence with the plurality of protrusions.
8. The display assembly of claim 7, wherein the key further comprises: the injection molding is arranged above the light source, and the injection molding is arranged below the circuit board.
9. The display assembly of claim 8, wherein the injection molded part comprises a plurality of lamp cavities, each lamp cavity is provided with a light through hole, the plurality of light emitting devices are arranged inside the plurality of lamp cavities, and light emitted by the light emitting devices is arranged in one-to-one correspondence with the plurality of keys through the light through holes.
10. An electrical appliance comprising a display assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121930057.3U CN215990741U (en) | 2021-08-17 | 2021-08-17 | Display assembly and electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121930057.3U CN215990741U (en) | 2021-08-17 | 2021-08-17 | Display assembly and electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215990741U true CN215990741U (en) | 2022-03-08 |
Family
ID=80519231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121930057.3U Active CN215990741U (en) | 2021-08-17 | 2021-08-17 | Display assembly and electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215990741U (en) |
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2021
- 2021-08-17 CN CN202121930057.3U patent/CN215990741U/en active Active
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