CN210363674U

CN210363674U - Automobile switch panel and automobile switch

Info

Publication number: CN210363674U
Application number: CN201921001014.XU
Authority: CN
Inventors: 王友平
Original assignee: Suzhou Youyue Electronic Co ltd
Current assignee: Suzhou Youyue Electronic Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-21
Anticipated expiration: 2029-06-28

Abstract

The utility model relates to an automobile switch panel, including a base plate, the base plate divide into a plurality of switch regions, every the switch region includes character membrane, leaded light membrane and at least one LED chip, the leaded light membrane sets up the upper surface at the base plate, the LED chip sets up on the base plate and is located the side of leaded light membrane or embedding leaded light membrane, the luminescence mode of LED chip is for the side is luminous, be provided with at least one character on the character membrane, the character membrane sets up in leaded light membrane top, be provided with the photomask on the character membrane and between the leaded light membrane, the photomask is used for a plurality of characters and every two adjacent switch regions in every switch region of interval. The utility model discloses reducible vehicle switch panel, vehicle switch's whole thickness.

Description

Automobile switch panel and automobile switch

Technical Field

The utility model relates to an automobile switch panel and automobile switch.

Background

The current automobile switch panel is by the circuit board of bottom, and the welding has a plurality of LED chips that are giving off light on the circuit board, is provided with the interval cover of two liang of LED chips in interval between circuit board and the key switch, and the interval cover adopts the material that is in the light, and the interval cover has a plurality ofly and the passageway of LED chip one-to-one, and the light that two liang of LED chips sent is used for guaranteeing to a plurality of passageways does not interfere with each other. The partition plate has certain thickness, and the LED that just gives out light is adopted, and it can't satisfy ultra-thinness demand.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages, an object of the present invention is to provide an automobile switch panel and an automobile switch capable of reducing the overall thickness of the automobile switch panel.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides an automobile switch panel, includes a base plate, the base plate divide into a plurality of switch regions, every the switch region includes character membrane, leaded light membrane and at least one LED chip, leaded light membrane sets up the upper surface at the base plate, the LED chip sets up on the base plate and is located the side of leaded light membrane or embedding leaded light membrane, the luminescent mode of LED chip is the side-emitting, be provided with at least one character on the character membrane, the character membrane sets up in leaded light membrane top, be provided with the photomask on the character membrane and between the leaded light membrane, the photomask is used for a plurality of characters and every two adjacent switch regions in every switch region of interval.

The utility model discloses automobile switch panel beneficial effect is, changes the LED chip that is just giving out light into the luminous LED chip of side, utilizes the cooperation of leaded light membrane and photomask, replaces the interval cover, can reduce automobile switch panel thickness, makes its demand that can satisfy the customer ultra-thinization.

Preferably, the LED chip to realize side light emission may directly employ a side light emitting LED chip. Side light emission can also be achieved with the following structure: the LED chip adopts a positive light-emitting LED chip, a reflective film is arranged on the periphery of the positive light-emitting LED chip, and the positive light-emitting of the positive light-emitting LED chip is reflected to the light guide film on one side by the upper reflective film. The light emitted by the LED chip emitting light positively is emitted to the light guide film through the upper reflecting film by the upper emitting film, and then is emitted to the character film after being diffused.

Preferably, the position structure of the upper reflective film may adopt the following structure, one of the structures is: go up the reflective membrane and be located just luminous LED chip directly over, be applicable to just luminous LED chip embedding light guide membrane in, another kind of structure is: the upper reflecting film is positioned on one side and right above the light-emitting LED chip and is suitable for the light-emitting LED chip positioned on one side of the light guide film. And the specific actual setting can be set according to the character position on the automobile switch panel. No matter what structure is adopted, the upper reflecting film is provided with a hollow part corresponding to the character film, and light is projected to the character film from the hollow part.

Preferably, the character films of the plurality of switching regions are connected or/and the light guide films of the plurality of switching regions are connected. Character membrane, leaded light membrane can all set up to be one, and cover a plurality of switch regions can, it is comparatively convenient to install like this.

As the utility model discloses a further improvement is, because present automobile switch's light is with bright with dark, is not conform to the consumer demand, in order to solve this problem, every regional at least one LED chip in this application is opened by it of an on-off control, and every region is opened and close by it of an on-off control, can not be with bright with dark. Each area can be a character or a plurality of characters with the same brightness, for example, the switch area only has the HOME key of one character to be on or off, and the menu key of one character to be on or off; the last song-cutting key and the next song-cutting key of a plurality of characters can be simultaneously lightened or simultaneously closed.

Preferably, in order to ensure that the light beam diffused by the light guide film can be projected upwards completely, a lower reflective film is arranged between the light guide film and the substrate, and the lower reflective film is used for projecting the light beam upwards.

The automobile switch comprises the automobile switch panel, wherein the character keys are arranged above the automobile switch panel and adopt a capacitive touch screen or mechanical keys.

The utility model discloses car switch beneficial effect is, electric capacity touch screen or mechanical type button are as car switch's character switch, and this application changes the LED chip that is just giving out light, into the luminous LED chip of side, utilizes the cooperation of leaded light membrane and photomask, replaces the interval cover, can reduce car switch's thickness, makes it can satisfy the demand of the super thinization of customer. Also, the LED chip can adopt a side-emitting LED chip; the following structure may also be employed: the LED chip adopts a positive light-emitting LED chip, a reflective film is arranged on the periphery of the positive light-emitting LED chip, and the positive light-emitting of the positive light-emitting LED chip is reflected to the light guide film on one side by the upper reflective film. The upper reflective film can be positioned right above the light-emitting LED chip or positioned on one side and right above the light-emitting LED chip, and hollow parts corresponding to the character films are arranged on the upper reflective film. The character films of the plurality of switching regions may be connected or/and the light guide films of the plurality of switching regions may be connected. At least one LED chip per zone may be controlled by one switch.

Preferably, a lower reflective film is disposed between the light guide film and the substrate, and the lower reflective film is configured to project the light beam upward.

Drawings

Fig. 1 is a schematic structural diagram of each switch region of a first embodiment of an automobile switch panel according to the present invention;

fig. 2 is a schematic structural diagram of a first possibility of each switching region according to a second embodiment of the switch panel of the present invention;

fig. 3 is a schematic structural diagram of a second possibility of each switching region according to a third embodiment of the switch panel of the present invention;

fig. 4 is a schematic structural diagram of one of the possibilities of each switching region of the fifth embodiment of the switch panel of the present invention;

fig. 5 is a schematic diagram of one of the best structures of the car switch of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

In the first embodiment, an automobile switch panel includes a substrate 1, the substrate 1 is divided into a plurality of switch areas, as shown in fig. 1, each switch area includes a character film 2, a light guide film 3 and at least one LED chip 5, the light guide film 3 is disposed on the upper surface of the substrate 1, the LED chip 5 is disposed on the substrate 1 and located on the side of the light guide film 3 or embedded in the light guide film 3, the light emitting mode of the LED chip 5 is side light emitting, at least one character is disposed on the character film 2, the character film 2 is disposed above the light guide film 3, a light shielding film 4 is disposed on the character film 2 and between the light guide film 3, and the light shielding film 4 is used for spacing a plurality of characters in each switch area and every two adjacent switch areas. In the present embodiment, the side-emitting LED chip 5a is used to realize the side-emitting of the LED chip 5.

The light beam of the side-emitting LED chip 5a is emitted to the light guide film 3 on one side, the light guide film 3 receives the light beam part and then the light beam part is emitted to the character film 2 through the shading film 4 to display characters, and the structure can meet the ultrathin requirement of the automobile switch panel.

In the second embodiment, different from the first embodiment, the LED chip 5 in the first embodiment adopts a forward-emitting LED chip 5b, an upper reflective film 6 is disposed on the periphery of the forward-emitting LED chip 5b, and the forward light of the forward-emitting LED chip 5b is reflected by the upper reflective film 6 to the light guiding film 3 on one side.

The positional relationship of the upper reflective film 6 in this embodiment has two possibilities, the first possibility: as shown in fig. 2, the upper reflective film 6 may be disposed directly above the positive-emission LED chip 5 b; the second possibility is: as shown in fig. 3, the upper reflective film 6 may be disposed on the side of and directly above the positive LED chip 5 b. In any way, the upper reflective film 6 is provided with a hollow corresponding to the character film 2.

As shown in fig. 2, the first possible operation principle is that the forward LED chip 5b projects a light beam to the upper periphery, and the light beam is reflected by the upper reflective film 6 to the light guiding film 3 around the lower forward LED chip 5b, the light guiding film 3 diffuses the light, and a part of the light beam diffused by the light guiding film 3 passes through the upper reflective film 6 and the light shielding film 4 and finally projects to the upper character film 2.

As shown in fig. 3, the second possible operation principle is that the positive LED chip 5b projects a light beam to the upper periphery, and the light beam is reflected to the light guiding film 3 on one side by the upper reflective film 6, and the light guiding film 3 diffuses the light, and a part of the light beam diffused by the light guiding film 3 passes through the upper reflective film 6 and the light shielding film 4 and is finally projected to the character film 2 on the upper side.

In the third embodiment, the character films 2 of the plurality of switch regions and/or the light guide films 3 of the plurality of switch regions in the first and second embodiments may be connected.

In the fourth embodiment, unlike the first to third embodiments, at least one LED chip 5 of each region may be connected by one switch. The plurality of areas are controlled by a corresponding number of switches, so that the plurality of areas are different in brightness.

In the fifth embodiment, different from the first to fourth embodiments, a lower reflective film 7 is disposed between the light guiding film 3 and the substrate 1. The lower reflective film 7 is used to project the light beam diffused by the light guide film 3 completely upward. Fig. 4 is a schematic structural diagram of a modification of the embodiment. The schematic structural diagrams of the second, third and fourth modifications of the embodiment are not shown.

An automobile switch comprises an automobile switch panel 8 in any one of the first to the fifth embodiments, wherein a character key 9 is arranged above the automobile switch panel 8, and the character key 9 adopts a capacitive touch screen or a mechanical key; the capacitive touch screen is used as the character key 9, which is thinner than the mechanical key. As shown in fig. 5, is only one preferred embodiment of the automotive switch.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. An automobile switch panel, comprising a substrate (1), characterized in that: the utility model discloses a luminous LED light guide device, including base plate (1), shading film (2), light guide film (3), LED chip (5), base plate (1) divide into a plurality of switch regions, every switch region includes character film (2), leaded light film (3) and at least one LED chip (5), leaded light film (3) set up the upper surface at base plate (1), LED chip (5) set up on base plate (1) and are located the side of leaded light film (3) or imbed leaded light film (3), the luminescent mode of LED chip (5) is the side-emitting, be provided with at least one character on character film (2), character film (2) set up in leaded light film (3) top, be provided with shading film (4) on character film (2) between with leaded light film (3), shading film (4) are used for separating a plurality of characters and every two adjacent switch regions in every switch region.

2. The automotive switch panel according to claim 1, characterized in that: the LED chip (5) adopts a side-emitting LED chip (5 a).

3. The automotive switch panel according to claim 1, characterized in that: the LED light source is characterized in that the LED chip (5) adopts a positive light-emitting LED chip (5b), an upper reflective film (6) is arranged on the periphery of the positive light-emitting LED chip (5b), and the positive light-emitting LED chip (5b) is reflected to the light guide film (3) on one side by the upper reflective film (6).

4. The automotive switch panel according to claim 3, characterized in that: the upper reflective film (6) is positioned right above the light-emitting LED chip (5b) or positioned on one side and right above the light-emitting LED chip (5b), and hollow parts corresponding to the character film (2) are arranged on the upper reflective film (6).

5. The automotive switch panel according to claim 1, characterized in that: the character films (2) of the switch areas are connected or/and the light guide films (3) of the switch areas are connected.

6. The automotive switch panel according to claim 1, characterized in that: at least one LED chip (5) of each zone is connected to a switch.

7. The switch panel for an automobile according to any one of claims 1 to 6, characterized in that: and a lower reflective film (7) is arranged between the light guide film (3) and the substrate (1).

8. An automotive switch, characterized in that: the automobile switch panel (8) comprises the automobile switch panel as claimed in any one of claims 1-5, wherein a character key (9) is arranged above the automobile switch panel (8), and the character key (9) is a capacitive touch screen or a mechanical key.

9. The automotive switch of claim 8, wherein: and a lower reflective film (7) is arranged between the light guide film (3) and the substrate (1).