CN201054128Y - Improved touch control panel structure - Google Patents

Abstract

The utility model relates to a touch panel structure of improvement, it mainly contains: an upper module having a plurality of conductive elements disposed at one end thereof; a lower module, wherein one end of the lower module is provided with a groove, and the lower module is arranged below the upper module and is electrically coupled with at least one conductive element of the upper module; a telecommunication connection module, which passes through the groove of the lower module and is electrically coupled with the other conductive element of the upper module so as to output the telecommunication of the upper and lower modules; and a shielding module which can pass through the groove of the lower module to be jointed with the telecommunication module.

Description

Improved touch panel structure

technical field

The utility model relates to an improved touch panel structure, in particular to a structure that can effectively reduce the thickness of the whole electronic device casing, so that the surface of the electronic device casing and the touch panel are on the same plane without additional The touch panel structure can be completed by heat pressing procedure.

Background technique

Due to the vigorous development of the high-tech electronic information industry, consumer electronics products have become a necessity in people's daily life, and this kind of consumer products have moved towards the trend of electronic products with light, thin, short and small human-computer interaction interfaces, so A touch display is developed to meet market demands. The touch-sensitive display is provided with a touch-sensitive panel (Touch Panel) in the display, and through the touch-sensitive panel, the user can directly input command operations on the electronic product by touching the finger or a pen, without The electronic product can be interacted with via an interface such as a keyboard or a mouse, making the electronic product more humanized.

As shown in Figure 1, it is a structure diagram of an existing touch panel, the touch panel structure 10 includes an indium tin oxide (indium tin oxide, ITO) film layer 101, a printing layer 102, a glass layer 103 and For a flexible printed circuit board 104 , if the three layers of materials with different properties are to be combined to form a structure, an anisotropic conductive adhesive 105 is usually printed on the upper and lower sides of the flexible printed circuit board 104 for bonding. When using anisotropic conductive adhesive 105 as an adhesive for adhesion, its characteristic is that the adherend and the anisotropic conductive adhesive must be heated and pressurized at the same time, so that the adherends of different materials can be bonded together (as shown in the figure 1 touch panel structure 10). Due to the need to heat and pressurize the touch panel structure, the touch panel structure will usually be thermally deformed, causing the touch panel structure to lose its proper flatness.

Referring to FIG. 2 , the touch panel structure 10 can be clearly divided into a zone and b zone (the dotted line indicates the separation of the two zones), the a zone is the circuit and the adhesive zone of the touch panel structure 10, and the b zone is transparent. display area.

Referring to FIG. 3 , in order to cover the lines in the area a, the user usually covers the area a of the touch panel structure 10 with a covering shell to enhance the aesthetics. As shown in FIG. 3 , the housing 31 of the electronic product covers and fixes the area a of the touch panel structure 10 with the peripheral flange 33 and the elastic gasket 30 .

To adapt to the trend of light, thin, short, and small electronic products, if the touch panel can be directly installed on the electronic product without covering the structure of the touch panel with a covering shell, the product will be more beautiful And thinner.

In order to achieve this design goal, therefore, it is urgent to propose a new structure, so that the structure of the touch panel has good flatness and integrity, and also reduces the thickness of the electronic product.

Contents of the invention

The purpose of this utility model is to propose an improved structure of a touch panel installed on the housing of an electronic device, which can directly install the touch panel structure on the electronic product without additional cladding shell Cover the touch panel structure.

In order to achieve the above purpose, the utility model provides an improved touch panel structure, which mainly includes: an upper module, one end of which is provided with a plurality of conductive elements; a lower module, one end of which is A groove is provided, and the lower module is arranged under the upper module, and is electrically coupled with at least one conductive element of the upper module; a telecommunication connection module, the telecommunication connection module passes through the groove of the lower module, And electrically coupled with another conductive element of the upper module to output the telecommunication of the upper and lower modules; and a shielding module, the shielding module can pass through the groove of the lower module and engage with the telecommunication module.

The beneficial technical effects of the utility model are: the above-mentioned improved touch panel structure can not only make the shell of the electronic device and the surface of the touch panel be on the same plane, make the electronic product as a whole smooth and beautiful, but also reduce the cost of the whole electronic device. Thickness purpose.

Description of drawings

FIG. 1 is a structural diagram of an existing touch panel;

Fig. 2 is the top view of the existing touch panel;

Fig. 3 is a combination diagram of an existing touch panel and an electronic product housing;

Fig. 4 is a perspective view of the structure of the touch panel in the utility model;

Fig. 5 is a combined perspective view of the touch panel in the utility model;

Fig. 6 is a combined perspective view of the touch panel in the utility model;

Fig. 7 is a cross-sectional combination diagram of the touch surface in the utility model;

Fig. 8 is a cross-sectional combination diagram of the touch panel and the housing of the electronic product in the utility model;

FIG. 9 is a cross-sectional combined view of the touch panel and the housing of the electronic product in the present invention.

Explanation of symbols in the figure

10 Touch Panel Structure

101 indium tin oxide film layer

102 printing layer

103 glass layers

104 flexible printed circuit board

105 anisotropic conductive adhesive

30 elastic gasket

31 shell

32 shell thickness

33 peripheral flange

40 touch panel structure

41 nameplate

Area 41a

41b area

42 upper part

420 conductive film

421 connection element

422 conductive contacts

43 lower part

430 conductive film

431 connection element

432 grooves

44 flexible printed circuit board

441 conductive contact

45 plastic substrate

452 grooves

46 masking material

80 shell

81 flange

82 liquid crystal display

83 signal processor

84 circuit board

85 iron frame

Detailed ways

Referring to Fig. 4, the touch panel with improved structure of the present invention has a touch panel structure 40 consisting of a nameplate 41 (Icon Sheet), an upper part 42, a lower part 43, a flexible printed circuit board 44, a plastic The substrate 45 and a shielding material 46 are formed.

As shown in Figure 4, a conductive film 420 is provided on the upper surface of the upper part 42, and a conductive film 430 is also provided on the lower surface of the lower part 43. Between the upper part 42 and the lower part 43, the upper and lower parts are separated by a DotSpacer. Oppositely arranged with a certain gap, the upper and lower conductive films 420, 430 have conductive layers formed by depositing and laying conductive substances on their surfaces, such as indium tin oxide (ITO). The upper part 42 is provided with a connection element 421, and the lower part 43 is also provided with a connection element 431. The connection element 431 is connected to the conductive film 430, and it serves as the conductive film 430 of the lower part 43 to transmit electricity to the conductive film 422 of the upper part 42. For use, the upper part 42 also provides a plurality of conductive contacts 422, which can be electrically coupled with a plurality of conductive contacts 441 on the flexible printed circuit board 44; thus, the conductive film 420 of the upper part 42 and the conductive film 430 of the lower part 43 The telecommunication signal can be transmitted to the outside through the flexible printed circuit board 44 for communication.

In particular, the upper and lower connection elements 421, 431 and the plurality of conductive contacts 422, 441 are bonded by a conductive glue, which can be silver glue.

The nameplate 41 includes two regions 41a and 41b, wherein the region 41a is a dark shielding region, which serves as the function of shielding the conductive film 420, 430 circuit lines of the upper part 42 and the lower part 43; Design a specific image in this area, for example: the company's trademark, and 41b is a transparent area, which is used as a display area of a liquid crystal display (Liquid Crystal Display, LCD); Fully glued, the adhesive can be optical glue, and the nameplate 41 and the upper part 42 are called the upper module A after being glued.

The lower part 43 includes a groove 432, and the groove 432 serves as a flexible printed circuit board 44 passing therebetween so that the plurality of conductive contacts 422 of the upper part 42 and the plurality of contacts 441 of the flexible printed circuit board 44 can be electrically connected. coupling. The plastic substrate 45, which is used as a support for the overall structure of the touch panel, can generally be made of polycarbonate resin (Polycarbonate, PC) material. The plastic substrate 45 includes a groove 452, and the groove 452 serves as The flexible printed circuit board 44 passes therebetween to facilitate electrical coupling between the plurality of conductive contacts 422 of the upper portion 42 and the plurality of conductive contacts 441 of the flexible printed circuit board 44 . The plastic substrate 45 and the lower part 43 are fully glued with an adhesive, the adhesive can be optical glue, and the glued plastic substrate 45 and the lower part 43 are called the lower module B.

As shown in FIG. 5 , an adhesive material is used to bond the upper module A and the lower module B around its edges, and the adhesive material can be double-sided tape. In order to enhance the bonding strength of the silver glue between the conductive contacts 422 of the upper part 42 and the conductive contacts 441 of the flexible printed circuit board 44, the masking material 46 passes through the groove 452 of the plastic substrate 45 and the groove of the lower part 43 432 is used to bond the flexible printed circuit board 44 and the grooves 432 and 452 together.

As shown in Figure 6, the touch panel structure with the upper module A and the lower module B glued together can complete the combination of the structure without heating and pressing, and can be contacted and conducted, and the contact surface can be maintained. Flat and beautiful.

As shown in FIG. 7 , which is a cross-sectional view of the structure of the touch panel, it can clearly illustrate the structure of each element of the touch panel.

As shown in FIG. 8 , it is a cross-sectional combination diagram of the touch panel structure 40 and the electronic product casing 80 , wherein the flanges 81 around the casing 80 are fitted in parallel with the touch panel structure 40 , forming a parallel combination structure. The internal structure of the electronic product is: a liquid crystal display 82 (LiquidCrystal Display, LCD), which is placed under the lower part of the touch panel structure 40, and the iron frame 85 is used as a partition to separate the liquid crystal display 82 and the touch panel structure 40 , to strengthen the strength of the overall structure, and the circuit board 84 is arranged under the liquid crystal display 82 . The flexible printed circuit board 44 is coupled with the signal processing circuit 83 to transmit the electronic signals of the touch panel structure 40 to the circuit board 84 for processing various electronic signals.

As shown in FIG. 9 , it is a cross-sectional combination diagram of the touch panel structure 40 and the electronic product housing 80 . FIG. 9 shows that the surfaces of the electronic housing 80 and the touch panel structure 40 are on the same plane, and there is no difference in height. The occurrence of gaps not only increases the overall aesthetics of the product, but also effectively reduces the thickness of the overall electronic device.

The above implementation description and drawings show preferred embodiments of the present utility model, and are not intended to limit the present utility model. Therefore, anyone who is similar to or similar to the structure, device, or features of the present utility model shall belong to the present utility model. within the scope of the novel claims.

Claims (24)

1. an improvement is touch panel structure provided, it is characterized in that, comprises at least:

One upper module, this upper module is provided with a plurality of conducting elements in an end wherein;

One bottom module, this lower module is provided with a groove in an end wherein, and this lower module is arranged at the below of this upper module, and with at least one this conducting element electrical couplings of upper module;

One telecommunication link block, this telecommunication link block is passed this groove of this lower module, and with another this conducting element electrical couplings of this upper module, with telecommunication output with this top and lower module; And

One covers module, and this covers this groove that module can pass this lower module and engages with this telecommunication module.

2. as claimed in claim 1 touch panel structure provided, it is characterized in that this upper module more comprises an inscription plate and a top, this top is arranged at the below of this inscription plate.

3. as claimed in claim 2 touch panel structure provided, it is characterized in that this top is provided with a top conducting film, a plurality of connection unit and more than one conductive junction point.

4. as claimed in claim 2 touch panel structure provided, it is characterized in that this inscription plate and this top are with the comprehensive bonding of adhesive agent.

5. as claimed in claim 4 touch panel structure provided, it is characterized in that wherein this adhesive agent is an optical cement.

6. as claimed in claim 1 touch panel structure provided, it is characterized in that this lower module more comprises a bottom and a substrate, this substrate is arranged at the below of this bottom.

7. as claimed in claim 6 touch panel structure provided, it is characterized in that this bottom is provided with a below conducting film and is connected with this below conducting film with a plurality of units that are connected.

8. as claimed in claim 6 touch panel structure provided, it is characterized in that this substrate and this bottom are with the comprehensive bonding of adhesive agent.

9. as claimed in claim 8 touch panel structure provided, it is characterized in that this adhesive agent is an optical cement.

10. as claimed in claim 1 touch panel structure provided, it is characterized in that the edge of this upper module and this lower module imposes adhesion material upper module and lower module bonding are one.

11. as claimed in claim 10 touch panel structure provided, it is characterized in that this adhesion material is a double faced adhesive tape.

12. as claimed in claim 1 touch panel structure provided, it is characterized in that this telecommunication link block is provided with the conducting of a plurality of conductive junction points itself and this telecommunication link block, and these a plurality of conductive junction points can with this a plurality of conductive junction points on this top with the conducting resinl electrical couplings.

13. as claimed in claim 12 touch panel structure provided, it is characterized in that this conducting resinl is an elargol.

14. as claimed in claim 1 touch panel structure provided, it is characterized in that these a plurality of units that are connected are with the conducting resinl electrical couplings, and then with the signal output of upper and lower part its this conducting film of module between this upper module and this lower module.

15. as claimed in claim 14 touch panel structure provided, it is characterized in that this conducting resinl is an elargol.

16. as claimed in claim 2 touch panel structure provided, it is characterized in that this inscription plate is divided into a first area and a second area.

17. as claimed in claim 16 touch panel structure provided, it is characterized in that the conducting film circuit of upper module and lower module is covered in the first area of this inscription plate.

18. as claimed in claim 16 touch panel structure provided, it is characterized in that the first area of this inscription plate shows at least one image.

19. as claimed in claim 1 touch panel structure provided, be characterised in that this covers module this upper module, this lower module and this telecommunication module are binded with adhesive agent.

20. the display with contact panel is characterized in that, includes at least:

One is touch panel structure provided;

One display device, this display device are arranged at this touch panel structure provided below;

One circuit board, this circuit board is arranged at the below of this display device; And

One housing, this circuit board, this display device, this touch panel structure provided this enclosure interior that is assembled in regular turn.

21. a kind of display with contact panel as claimed in claim 20 is characterized in that this display device is a LCD.

22. a kind of display with contact panel as claimed in claim 20 is characterized in that this circuit board more comprises a signal processing circuit.

23. a kind of display with contact panel as claimed in claim 22 is characterized in that, this signal processing circuit of this circuit board is connected with this this touch panel structure provided telecommunication module.

24. a kind of display with contact panel as claimed in claim 20 is characterized in that, chimeric surface abreast should be touch panel structure provided chimeric around this housing and the contact panel.

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