Vehicle-mounted touch screen ITO key structure and vehicle-mounted touch screen key assembly

Abstract

The utility model discloses a vehicle-mounted touch screen ITO (Indium Tin Oxide) key structure and a vehicle-mounted touch screen key assembly. The key structure comprises a driving ITO channel area, an induction ITO channel area and a touch character, the driving ITO channel area and the induction ITO channel area are mutually embedded, the driving ITO channel area comprises a plurality of driving coils which are concentrically arranged, long-strip-shaped driving transverse strips are arranged among the driving coils, and driving wire lap joints are arranged at the tail ends of the driving transverse strips. The induction ITO channel area comprises a plurality of induction coils which are concentrically arranged, an induction center piece is arranged in the center of the induction ITO channel area, long-strip-shaped induction transverse strips are arranged among the induction coils, and induction line lap joints are arranged at the tail ends of the induction transverse strips. By means of the driving ITO channel area and the sensing ITO channel area which are embedded with each other, a more reasonable touch key effective area can be obtained through a smaller occupied space, flexible layout can be conducted according to design, and the touch screen is suitable for various different touch characters and changeable automotive trim design.

Description

Technical Field

[0001] The utility model relates to a vehicle-mounted touch screen, more specifically, to a vehicle-mounted touch screen ITO key structure and a vehicle-mounted touch screen key assembly. Background Art

[0002] Nowadays, there are more and more cars, and the interior designs are diverse. More and more electronic high-tech products are used in cars. Various traditional physical buttons are gradually replaced by touch screen buttons. These touch buttons are large and small, and have different shapes. In order to obtain a more reasonable touch button effective area and minimize the touch screen wiring space, the shape of the matching touch ITO button pattern must also change accordingly. Therefore, a more optimized ITO button pattern design will become very important.

[0003] Chinese utility model patent document CN219435325U discloses a vehicle-mounted touch screen module, comprising: an OGS touch screen, the OGS touch screen comprising a circular OGS touch screen; a circular button is arranged in the middle area of ​​the OGS touch screen, and the area of ​​the circular button is smaller than the area of ​​the OGS touch screen; a plurality of fan-shaped buttons are arranged in the area other than the circular button on the OGS touch screen; a plurality of the fan-shaped buttons surround the circular button; the OGS touch screen comprises: a visible area and a non-visible area, the non-visible area surrounds the visible area; the visible area comprises: a glass substrate layer, used as the base layer of the OGS touch screen; an ITO layer, arranged below the glass substrate layer; an insulating layer, arranged below the ITO layer; the non-visible area comprises: a glass substrate layer, used as the base layer of the OGS touch screen; a black matrix layer, arranged below the glass substrate layer; an ITO layer, arranged below the black matrix layer; a metal layer, arranged below the ITO layer and below the black matrix layer; and an insulating layer, arranged below the metal layer. The plurality of fan-shaped buttons are evenly distributed around the circular button. The number of the fan-shaped buttons is an even number. Key patterns are evenly distributed on the circular button and the fan-shaped buttons. The ITO layer includes an ITO conductive film. The insulating layer includes an OC film. The vehicle-mounted touch screen module also includes: an FPC, and the FPC is connected to an FPC binding area on the OGS touch screen. The FPC binding area is connected to the circular button and the fan-shaped button.

[0004] Obviously, the patent realizes the simultaneous arrangement of multiple touch buttons on a small touch screen through various functional layers. However, this structure cannot solve the design problem of the existing touch ITO button pattern. Utility Model Content

[0005] Based on this, it is necessary to provide a vehicle-mounted touch screen ITO key structure for the above technical problems. The vehicle-mounted touch screen ITO key structure includes a driving ITO channel area, a sensing ITO channel area and a touch character. The driving ITO channel area and the sensing ITO channel area are mutually embedded. The driving ITO channel area includes a number of concentrically arranged driving coils, and a long strip of driving horizontal bar is provided between the driving coils. The end of the driving horizontal bar is provided with a driving line lap joint. The sensing ITO channel area includes a number of concentrically arranged induction coils, and the center of the sensing ITO channel area is provided with an induction center plate, and a long strip of sensing horizontal bar is provided between the induction coils. The end of the sensing horizontal bar is provided with an induction line lap joint. By using the mutually embedded driving ITO channel area and the sensing ITO channel area, a more reasonable touch key effective area can be obtained through a smaller space occupation, and a flexible layout can be made according to the design to adapt to various touch characters and the changing car interior design.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A vehicle-mounted touch screen ITO key structure, the vehicle-mounted touch screen ITO key structure comprising a driving ITO channel area, a sensing ITO channel area and touch characters, the driving ITO channel area and the sensing ITO channel area are mutually embedded,

[0008] The driving ITO channel area includes a plurality of concentrically arranged driving coils, a long driving horizontal bar is arranged between the driving coils, and a driving line lap joint is arranged at the end of the driving horizontal bar.

[0009] The induction ITO channel area comprises a plurality of concentrically arranged induction coils, an induction center plate is arranged at the center of the induction ITO channel area, long induction horizontal bars are arranged between the induction coils, and induction line lap joints are arranged at the ends of the induction horizontal bars.

[0010] As a preferred implementation of the vehicle-mounted touch screen ITO key structure provided by the utility model, the heights of the driving ITO channel area and the sensing ITO channel area are consistent.

[0011] As a preferred implementation of the vehicle-mounted touch screen ITO key structure provided by the utility model, the driving coil is in a "C" shape, and the induction coil is in a "C" shape.

[0012] As a preferred implementation of the vehicle-mounted touch screen ITO key structure provided by the utility model, the induction center piece is in the shape of a disc.

[0013] As a preferred implementation of the vehicle-mounted touch screen ITO key structure provided by the utility model, a center plate hole is provided at the center of the inductive center plate.

[0014] As a preferred implementation of the vehicle-mounted touch screen ITO button structure provided by the utility model, the width of the driving coil and the driving bar are both 1 times the preset line width, and the width of the induction coil and the induction bar are both 1.5 times the preset line width.

[0015] As a preferred implementation of the vehicle-mounted touch screen ITO key structure provided by the utility model, the radius of the induction center piece is 2.5 times the preset line width.

[0016] As a preferred implementation of the vehicle-mounted touch screen ITO key structure provided by the utility model, the preset line width is greater than 0.4 mm.

[0017] As a preferred implementation of the vehicle-mounted touch screen ITO key structure provided by the utility model, the area of ​​the driving line lap joint is larger than that of the sensing line lap joint.

[0018] A vehicle-mounted touch screen button assembly, the vehicle-mounted touch screen button assembly comprising a white glass layer, an ITO1 layer is arranged on the upper surface of the white glass layer, an OC1 layer is arranged on the upper surface of the ITO1 layer, an ITO2 layer is arranged on the upper surface of the OC1 layer, a metal MOALMO wiring layer is arranged on the upper surface of the ITO2 layer, an OC2 layer is arranged on the upper surface of the metal MOALMO wiring layer, and the aforementioned driving ITO channel area and sensing ITO channel area are both arranged on the ITO2 layer.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The utility model provides an in-vehicle touch screen ITO key structure, which utilizes mutually embedded driving ITO channel areas and sensing ITO channel areas to obtain a more reasonable touch key effective area through a smaller occupied space, and can be flexibly laid out according to the design to adapt to various touch characters and changeable automobile interior designs.

[0021] In addition, a center hole can be provided at the center of the sensing center plate. By using the center hole, the parasitic capacitance of the sensing center plate can be effectively reduced, and the reliability of touch control can be effectively improved.

[0022] In addition, the vehicle-mounted touch screen button assembly can include a white glass layer, an ITO1 layer is arranged on the upper surface of the white glass layer, an OC1 layer is arranged on the upper surface of the ITO1 layer, an ITO2 layer is arranged on the upper surface of the OC1 layer, a metal MOALMO wiring layer is arranged on the upper surface of the ITO2 layer, an OC2 layer is arranged on the upper surface of the metal MOALMO wiring layer, and the driving ITO channel area and the sensing ITO channel area are both arranged on the ITO2 layer. The driving ITO channel area and the sensing ITO channel area arranged on the ITO2 layer can be obtained synchronously by etching the ITO process, the process is simple, the manufacturing cost is low, and it can adapt to various touch designs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 This is a structural schematic diagram of the ITO key structure of the vehicle-mounted touch screen of the utility model;

[0025] Figure 2 for Figure 1 A schematic diagram of the structure of the driving ITO channel area of ​​the vehicle-mounted touch screen ITO button structure;

[0026] Figure 3 for Figure 1 A schematic diagram of the structure of the sensing ITO channel area of ​​the vehicle-mounted touch screen ITO button structure;

[0027] Figure 4 for Figure 1 The schematic diagram of the structure of the ITO key structure of the vehicle touch screen in FIG. 1 shows the touch characters at this time;

[0028] Figure 5 for Figure 4 A schematic diagram of the structure of the touch characters in FIG.

[0029] Figure 6 for Figure 1 A schematic diagram of the structure of the ITO key structure of the vehicle touch screen in FIG. 1 , in which another touch character is displayed;

[0030] Figure 7 for Figure 6 A schematic diagram of the structure of the touch characters in FIG.

[0031] Figure 8 for Figure 1A structural schematic diagram of another implementation of the sensing ITO channel area of ​​the vehicle-mounted touch screen ITO key structure;

[0032] Fig. 9 It is a schematic diagram of the hierarchical structure of the vehicle-mounted touch screen button assembly of the utility model;

[0033] The markings in the figure are as follows: 1. Driving ITO channel area; 11. Driving coil; 12. Driving horizontal bar; 13. Driving line jumper; 2. Sensing ITO channel area; 21. Sensing center piece; 211. Center piece hole; 22. Sensing coil; 23. Sensing horizontal bar; 24. Sensing line jumper; 3. Touch characters; D. Preset line width; S. Car touch screen button assembly; S1. White glass layer; S2. ITO1 layer; S3. OC1 layer; S4. ITO2 layer; S5. Metal MOALMO routing layer; S6. OC2 layer. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the solution of the utility model, the following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0035] As described in the background technology, with regard to the existing technology for vehicle-mounted touch screens, there are more and more cars nowadays, and the car interior designs are diverse. More and more electronic high-tech products are being used in cars, and various traditional physical buttons are gradually being replaced by touch screen buttons. These touch buttons are large and small, and have different shapes. In order to obtain a more reasonable touch button effective area and minimize the occupied touch screen wiring space, the shape of the matching touch ITO button pattern must also be changed accordingly. Therefore, a more optimized ITO button pattern design will be very important.

[0036] In order to solve this technical problem, the utility model provides an in-vehicle touch screen ITO key structure, comprising a driving ITO channel area 1, a sensing ITO channel area 2 and a touch character 3, wherein the driving ITO channel area 1 and the sensing ITO channel area 2 are mutually interlocked, and the driving ITO channel area 1 comprises a plurality of concentrically arranged driving coils 11, between which a long strip of driving horizontal bar 12 is arranged, and at the end of which a driving line lap joint 13 is arranged. The sensing ITO channel area 2 comprises a plurality of concentrically arranged induction coils 22, at the center of which a sensing center piece 21 is arranged, between which a long strip of sensing horizontal bar 23 is arranged, and at the end of which a sensing line lap joint 24 is arranged.

[0037] Through the above structural design, by using the mutually embedded driving ITO channel area 1 and the sensing ITO channel area 2, a more reasonable touch button effective area can be obtained through a smaller footprint, and can be flexibly arranged according to the design to adapt to various touch characters 3 and to adapt to the changing car interior design.

[0038] In order to enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0039] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0040] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0041] like Figures 1 to 7 As shown, the vehicle-mounted touch screen ITO key structure includes a driving ITO channel area 1, a sensing ITO channel area 2 and a touch character 3, and the driving ITO channel area 1 and the sensing ITO channel area 2 are embedded with each other.

[0042] It should be noted that the touch characters 3 are arranged on the panel of the vehicle-mounted touch screen.

[0043] like Figure 2 As shown, the driving ITO channel area 1 comprises a plurality of concentrically arranged driving coils 11 , between which are arranged long driving horizontal bars 12 , and at the ends of the driving horizontal bars 12 , driving line lap joints 13 are arranged.

[0044] like Figure 3 As shown, the induction ITO channel area 2 includes a plurality of concentrically arranged induction coils 22, a center induction plate 21 is provided at the center of the induction ITO channel area 2, long induction horizontal strips 23 are provided between the induction coils 22, and an induction line lap joint 24 is provided at the end of the induction horizontal strip 23.

[0045] It should be noted that the driving ITO channel area 1 and the sensing ITO channel area 2 have the same height.

[0046] In addition, the driving coil 11 is in a "C" shape, and the induction coil 22 is in a "C" shape. The induction center piece 21 is in a disc shape.

[0047] In addition, the widths of the driving coil 11 and the driving bar 12 are both 1 times the preset line width D, and the widths of the induction coil 22 and the induction bar 23 are both 1.5 times the preset line width D. The radius of the induction center piece 21 is 2.5 times the preset line width D.

[0048] In addition, the preset line width D is greater than 0.4 mm.

[0049] In addition, the area of ​​the driving line joint 13 is larger than that of the sensing line joint 24 .

[0050] The working mode of this embodiment is described below.

[0051] By using the mutually embedded driving ITO channel area 1 and the sensing ITO channel area 2, a more reasonable touch key effective area can be obtained with a smaller footprint, and a flexible layout can be made according to the design to adapt to various touch characters 3 and the changing car interior design.

[0052] like Figure 8 As shown, the ITO key structure of the vehicle-mounted touch screen provided in Example 1 is further optimized. Specifically, a center plate hole 211 is provided at the center of the sensing center plate 21 .

[0053] The working mode of this embodiment is described below.

[0054] By utilizing the center plate hole 211 , the parasitic capacitance of the sensing center plate 21 can be effectively reduced, thereby effectively improving the reliability of touch control.

[0055] The vehicle-mounted touch screen ITO key structure provided in Example 1 or 2 is further optimized. Specifically, the vehicle-mounted touch screen key assembly S comprises a white glass layer S1, an ITO1 layer S2 is provided on the upper surface of the white glass layer S1, an OC1 layer S3 is provided on the upper surface of the ITO1 layer S2, an ITO2 layer S4 is provided on the upper surface of the OC1 layer S3, a metal MOALMO wiring layer S5 is provided on the upper surface of the ITO2 layer S4, and an OC2 layer S6 is provided on the upper surface of the metal MOALMO wiring layer S5.

[0056] It should be noted that the driving ITO channel region 1 and the sensing ITO channel region 2 are both arranged on the ITO2 layer S4.

[0057] The working mode of this embodiment is described below.

[0058] By using the driving ITO channel area 1 and the sensing ITO channel area 2 arranged on the ITO2 layer S4, they can be obtained synchronously through an ITO etching process, which has a simple process, low manufacturing cost, and can adapt to various touch designs.

[0059] The terms "coupling" and "coupling" involved in the embodiments of the present application should be understood in a broad sense. For example, they may refer to a direct physical connection, or an indirect connection achieved through electronic devices, such as a connection achieved through resistors, inductors, capacitors or other electronic devices.

[0060] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] Obviously, the embodiments described above are only some embodiments of the present application, rather than all embodiments. The preferred embodiments of the present application are given in the accompanying drawings, but they do not limit the patent scope of the present application. The present application can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the specification and drawings of this application, directly or indirectly used in other related technical fields, is similarly within the scope of patent protection of this application.

Claims

1. A vehicle-mounted touch screen ITO key structure, characterized in that: The in-vehicle touch screen ITO key structure comprises a driving ITO channel area (1), a sensing ITO channel area (2) and touch characters (3); the driving ITO channel area (1) and the sensing ITO channel area (2) are interlocked with each other; the driving ITO channel area (1) comprises a plurality of concentrically arranged driving coils (11); a long driving horizontal bar (12) is provided between the driving coils (11); a driving line lap joint (13) is provided at the end of the driving horizontal bar (12); the sensing ITO channel area (2) comprises a plurality of concentrically arranged sensing coils (22); a sensing center plate (21) is provided at the center of the sensing ITO channel area (2); a long sensing horizontal bar (23) is provided between the sensing coils (22); and a sensing line lap joint (24) is provided at the end of the sensing horizontal bar (23).

2. The vehicle-mounted touch screen ITO key structure according to claim 1, characterized in that: The driving ITO channel area (1) and the sensing ITO channel area (2) have the same height.

3. The vehicle-mounted touch screen ITO key structure according to claim 1, characterized in that: The driving coil (11) is in a "C" shape, and the induction coil (22) is in a "C" shape.

4. The vehicle-mounted touch screen ITO key structure according to claim 1, characterized in that: The induction center piece (21) is in the shape of a disc.

5. The vehicle-mounted touch screen ITO key structure according to claim 4, characterized in that: A center plate hole (211) is provided at the center of the induction center plate (21).

6. The vehicle-mounted touch screen ITO key structure according to claim 1, characterized in that: The widths of the driving coil (11) and the driving horizontal bar (12) are both 1 times the preset line width (D), and the widths of the induction coil (22) and the induction horizontal bar (23) are both 1.5 times the preset line width (D).

7. The vehicle-mounted touch screen ITO key structure according to claim 6, characterized in that: The radius of the induction center piece (21) is 2.5 times the preset line width (D).

8. The vehicle-mounted touch screen ITO key structure according to claim 7, characterized in that: The preset line width (D) is greater than 0.4 mm.

9. The vehicle-mounted touch screen ITO key structure according to claim 1, characterized in that: The area of ​​the driving line joint (13) is larger than that of the sensing line joint (24).

10. A vehicle-mounted touch screen button assembly, characterized in that: The vehicle-mounted touch screen key assembly (S) comprises a white glass layer (S1), an ITO1 layer (S2) is provided on the upper surface of the white glass layer (S1), an OC1 layer (S3) is provided on the upper surface of the ITO1 layer (S2), an ITO2 layer (S4) is provided on the upper surface of the OC1 layer (S3), a metal MOALMO wiring layer (S5) is provided on the upper surface of the ITO2 layer (S4), an OC2 layer (S6) is provided on the upper surface of the metal MOALMO wiring layer (S5), and the driving ITO channel area (1) and the sensing ITO channel area (2) in the vehicle-mounted touch screen ITO key structure as claimed in claim 1 are both arranged on the ITO2 layer (S4).

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