TWM480112U - Touch structure - Google Patents

Description

Touch structure

The present invention is a touch structure, and provides a touch structure having the advantages of reducing the thickness of the touch structure and the liquid crystal display device, reducing the manufacturing cost, and improving the manufacturing yield of the module.

In today's consumer electronics market, portable electronic products such as personal digital assistants (PDAs), mobile phones, notebooks, and tablet PCs have been widely used. The touch panel is used as an interface tool for data communication. In addition, since the design of electronic products is currently in the direction of light, thin, short and small, there is not enough space on the product to accommodate traditional input devices such as keyboards and mice, especially in the demand for tablet PCs that are designed with humanity in mind. Under the touch structure has become one of the key components. In addition to the multi-level menu design requirements, the touch-sensitive structure can also have the functions of a keyboard, a mouse, etc., and a humanized operation mode such as handwriting input, especially integrating the input and output in the same interface (screen). The traits are beyond the reach of other traditional input devices. A touch display device is further provided, and a touch structure is disposed on the display device, so that the touch structure provides a touchable area according to the display image of the display device, and the touch display device is used for the user to touch according to the touch object displayed on the screen. operating.

In order to achieve the design requirements of thinner devices, the traditional touch structure design (reinforced glass/film/film, G/F/F) will lead to an increase in the overall thickness of the touch display device, resulting in poor optical effects and affecting the touch display. The appearance of the device. In the near future, the SITO bridge structure was adopted, and the multiple axial (X/Y) sensing electrodes were set on a single substrate. One of the surfaces, which uses an insulating layer to insulate the intersection of a plurality of axial (X/Y) sensing electrodes from each other. However, the production process of such a SITO bridge structure is complicated, the manufacturing cost is too high, and the production yield is difficult to control.

In view of the problems of the prior art, the present invention provides a touch structure, which has the advantages of thin device, low manufacturing cost and high module fabrication yield.

In order to achieve the above object, the touch structure of the present invention comprises: a flexible transparent substrate, a complex array sensing series, an insulating layer and a plurality of jumper wires; wherein the flexible transparent substrate has a display area and a terminal line area, the terminal line area is located at one side of the display area, the display area has a plurality of areas; each set of sensing series has a plurality of sensing columns, and each set of sensing series is respectively disposed in one of the display areas Each region is adjacently arranged, each sensing column has an extended end point in the terminal line region; the insulating layer is located above the terminal line region, and the insulating layer has an opening with respect to the plurality of extended end points; The connecting wires are disposed on the insulating layer, and each of the connecting wires electrically connects the extending end points via the openings to electrically connect the plurality of sensing columns.

For the above purposes, the insulating layer can be a photoresist or an insulating ink.

For the above purposes, the jumper wires may be silver paste, nano silver, graphite selenium or carbon nanotubes.

100‧‧‧Flexible transparent substrate

110‧‧‧Sensor series

111a, 111b, 111c‧‧‧ Sensing columns

113a, 113b, 113c‧‧‧ extended endpoints

120a, 120b, 120c‧‧‧ jumper wires

150a, 150b, 150c‧‧‧ openings

160‧‧‧Insulation

170‧‧‧Transparent protective layer

180‧‧‧ display area

181‧‧‧Area

190‧‧‧Terminal line area

FIG. 1a is a schematic structural view of a touch structure according to an embodiment of the present invention.

Figure 1b is a cross-sectional view of the touch structure of Figure 1a according to a section line AA.

Please refer to FIG. 1a for a schematic structural view of a touch structure according to an embodiment of the present invention, and FIG. 1b is a cross-sectional view of the touch structure of FIG. 1a. Face line AA profile. First, the touch structure of the present invention comprises: a flexible transparent substrate 100, a complex array sensing series, an insulating layer, and a plurality of jumper wires, wherein the flexible transparent substrate 100 is made of a flexible material, and Curl into a roller shape. The material of the flexible transparent substrate 100 may be, for example, one of PEN, PET, PES, flexible glass, PMMA, PC or PI, or may be a multilayer composite material of the above materials, and the above materials may be formed thereon. The substrate of the multi-layer transparent stack structure, the transparent stack structure of the plurality of layers may be, for example, an anti-reflection layer or the like, but is not limited thereto. The surface of the flexible transparent substrate 100 is provided with a display area 180 and a terminal line area 190. The terminal line area 190 is located on the side of the display area 180. The display area 180 has a plurality of areas 181, and each area 181 is adjacently arranged.

The complex array sensing series 110, wherein the material of the plurality of sensing series 110 can be, for example, a transparent conductive material, such as indium tin oxide, indium oxide, zinc oxide, indium zinc oxide, zinc oxide doped with aluminum, And one or a mixture of antimony-doped tin oxide, the number of sensing series may also be increased or decreased according to requirements, and each set of sensing series 110 is respectively disposed in one of the display areas 181, and each The group sensing series 110 has a plurality of sensing columns 111a, 111b, 111c, and the plurality of sensing columns 111a, 111b, 111c may have a hexagonal shape, a strip shape, a triangle shape, a diamond shape, a snowflake shape, etc., and the specific shape and size may be Selected according to the control IC, and each of the sensing series 110a, 110b, 110c has an extended terminal 113a, 113b, 113c located in the terminal line region 190.

The insulating layer 160 is disposed on the terminal line region 190. The material of the insulating layer 160 may be, for example, a photoresist or an insulating ink, but is not limited thereto. And the insulating layer 160 has an opening 150a, 150b, 150c with respect to the plurality of extended end points 113a, 113b, 113c. The plurality of jumper wires 120a, 120b, and 120c are disposed on the insulating layer 160, and each of the jumper wires 120a, 120b, and 120c is electrically connected to the extended end points 113a, 113b, and 113c via the openings 150a, 150b, and 150c to perform complex sensing. The columns 111a, 111b, and 111c are electrically connected. Further, the transparent transparent substrate 100 further has a transparent protective layer 170, and is covered only by a transparent protective layer 170 in a region (not shown) where the terminal line region 190 and the flexible circuit board are electrically connected. The transparent protective layer 170 may be made of cerium oxide (SiO ₂ ), an organic insulating material, an inorganic insulating material or a photoresist. The photoresist may be, for example, a liquid photoresist or a dry film photoresist, to prevent moisture intrusion of the sensing structure. Or the protection of oxidation is quite excellent.

The creation has the advantages of thin device, superior touch sensitivity, low manufacturing cost and high production yield. Although the present invention has been disclosed above by way of example, it is not intended to limit the present invention. Anyone who is familiar with this skill can make some changes and refinements without departing from the spirit and scope of this creation. Therefore, the scope of protection of this creation shall be subject to the definition of patent application scope.

100‧‧‧Flexible transparent substrate

110‧‧‧Sensor series

111a, 111b, 111c‧‧‧ Sensing columns

113a, 113b, 113c‧‧‧ extended endpoints

120a, 120b, 120c‧‧‧ jumper wires

160‧‧‧Insulation

180‧‧‧ display area

181‧‧‧Area

190‧‧‧Terminal line area

Claims (3)

A touch structure includes: a flexible transparent substrate having a display area and a terminal line area, the terminal line area is located on a side of the display area, the display area has a plurality of areas; a complex array sensing series, Each set of sensing series has a plurality of sensing columns, each set of sensing series is respectively disposed in an area of the display area, each area is adjacently arranged, and each sensing column has an extended end located at the terminal a line region; an insulating layer above the terminal line region, and the insulating layer has an opening with respect to the extension ends; and a plurality of jumper wires disposed on the insulating layer, each of the jumper wires The extension terminals are electrically connected via the opening to electrically connect the plurality of sensing columns. The touch structure of claim 1, wherein the insulating layer is a photoresist or an insulating ink. The touch structure of claim 1, wherein the jumper wires are silver paste, nano silver, graphite selenium or carbon nanotubes.