TWM464742U - Touch panel and touch display panel - Google Patents

Abstract

A touch panel includes a first substrate, a second substrate, an adhesive layer, a first patterned sensing electrode layer and a second patterned sensing electrode layer. The first substrate has a first surface and a second surface, the second substrate has a third surface and a fourth surface, and the second surface of the first substrate faces the third surface of the second substrate. The adhesive layer is disposed between the second surface of the first substrate and the third surface of the second substrate for assembling the first substrate and the second substrate. The first patterned sensing electrode layer is disposed on the first surface of the first substrate, and the second patterned sensing electrode layer is disposed on the fourth surface of the second substrate.

Description

Touch panel and touch display panel

The present invention relates to a touch panel and a touch display panel, and more particularly to a thin touch panel and a touch display panel having a thin glass substrate.

In today's market for consumer electronics, portable electronic products such as smart phones, digital cameras, satellite navigation systems (GPS) and tablet PCs have been widely used. The touch panel replaces traditional input devices such as keyboards and mice as a human-machine data communication interface to reduce the size of electronic products. However, the thickness of the two substrates used in the conventional touch panel and about 1 millimeter (mm) has gradually failed to meet the market demand for the thickness of the thin touch panel.

One of the purposes of this creation is to provide a thin touch panel and a touch display panel.

An embodiment of the present invention provides a touch panel including a first substrate, a second substrate, an adhesive layer, a first patterned sensing electrode layer, and a second patterned sensing electrode layer. The first substrate has a first surface and a second surface, and the second substrate has a third surface and a fourth surface, wherein the second surface of the first substrate faces the third surface of the second substrate. The adhesive layer is disposed between the second surface of the first substrate and the third surface of the second substrate for bonding the first substrate and the second substrate. The first patterned sensing electrode layer is disposed on the first surface of the first substrate, and the second patterned sensing electrode layer is disposed on the fourth surface of the second substrate.

Another embodiment of the present invention provides a touch display panel including a touch panel. A display panel and a cover. The touch panel includes a first substrate, a second substrate, an adhesive layer, a first patterned sensing electrode layer and a second patterned sensing electrode layer. The first substrate has a first surface and a second surface, and the second substrate has a third surface and a fourth surface, wherein the second surface of the first substrate faces the third surface of the second substrate. The adhesive layer is disposed between the second surface of the first substrate and the third surface of the second substrate for bonding the first substrate and the second substrate. The first patterned sensing electrode layer is disposed on the first surface of the first substrate, and the second patterned sensing electrode layer is disposed on the fourth surface of the second substrate. The display panel faces the fourth surface of the second substrate. The cover plate is disposed on the first surface of the first substrate and covers the first patterned sensing electrode layer.

Another embodiment of the present invention provides a touch panel including a first substrate, a second substrate, an adhesive layer, a first patterned sensing electrode layer and a second patterned sensing electrode layer. The first substrate has a first surface and a second surface, and the second substrate has a third surface and a fourth surface, wherein the second surface of the first substrate faces the third surface of the second substrate, the first substrate and At least one of the second substrates is a thin glass substrate, and one of the thin glass substrates has a thickness between 0.05 mm and 0.2 mm. The adhesive layer is disposed between the second surface of the first substrate and the third surface of the second substrate for bonding the first substrate and the second substrate. The first patterned sensing electrode layer is disposed on the first substrate, and the second patterned sensing electrode layer is disposed on the second substrate.

Another embodiment of the present invention provides a touch display panel including a touch panel and a display panel. The touch panel includes a first substrate, a second substrate, an adhesive layer, a first patterned sensing electrode layer and a second patterned sensing electrode layer. The first substrate has a first surface and a second surface, and the second substrate has a third surface and a fourth surface, wherein the second surface of the first substrate faces the third surface of the second substrate, the first substrate and At least one of the second substrates is a thin glass substrate, and one of the thin glass substrates has a thickness between 0.05 mm and 0.2 mm. Adhesive The layer is disposed between the second surface of the first substrate and the third surface of the second substrate for bonding the first substrate and the second substrate. The first patterned sensing electrode layer is disposed on the first substrate, and the second patterned sensing electrode layer is disposed on the second substrate. The display panel faces the fourth surface of the second substrate.

Another embodiment of the present invention provides a touch panel including a substrate, a cover, an adhesive layer, and a sensing component. The substrate has a first surface and a second surface, the substrate comprises a thin glass substrate, and one of the thin glass substrates has a thickness between 0.05 mm and 0.2 mm. The cover plate is disposed on the first surface of the substrate. The adhesive layer is disposed between the first surface of the substrate and the cover for bonding the substrate and the cover. The sensing element is disposed on the substrate.

1‧‧‧ touch panel

11‧‧‧First substrate

12‧‧‧second substrate

13‧‧‧Adhesive layer

21‧‧‧First patterned sensing electrode layer

22‧‧‧Second patterned sensing electrode layer

11A‧‧‧ first surface

11B‧‧‧ second surface

12C‧‧‧ third surface

12D‧‧‧Fourth surface

21S‧‧‧First sensing electrode

22S‧‧‧Second sensing electrode

23‧‧‧Connecting wires

3‧‧‧Touch display panel

31‧‧‧ display panel

32‧‧‧ Cover

33‧‧‧Adhesive layer

4‧‧‧Touch panel

5‧‧‧Touch display panel

6‧‧‧Touch panel

7‧‧‧Touch display panel

21P‧‧‧First sensing pad

22P‧‧‧second sensing pad

50‧‧‧ touch panel

51‧‧‧Substrate

51A‧‧‧ first surface

51B‧‧‧ second surface

51X‧‧‧Sensor components

60‧‧‧ touch panel

70‧‧‧ touch panel

80‧‧‧ touch panel

21X‧‧‧First sensing pad

21Y‧‧‧Second sensing pad

21C‧‧‧Connecting Department

22C‧‧‧Bridge

24‧‧‧Insulation

24S‧‧‧Insulation structure

90‧‧‧Touch panel

21A‧‧‧Sensor electrode

21B‧‧‧Sense pad

FIG. 1 is a top view of a touch panel of a first preferred embodiment of the present invention.

FIG. 2 is a cross-sectional view of the touch panel of FIG. 1 taken along line A-A'.

FIG. 3 is a schematic diagram of a touch display panel according to a first preferred embodiment of the present invention.

FIG. 4 is a schematic view showing a touch panel of a second preferred embodiment of the present invention.

FIG. 5 is a schematic diagram of a touch display panel according to a second preferred embodiment of the present invention.

FIG. 6 is a schematic view showing a touch panel of a third preferred embodiment of the present invention.

FIG. 7 is a schematic diagram of a touch display panel according to a third preferred embodiment of the present invention.

FIG. 8 is a schematic diagram showing a first patterned sensing electrode layer and a second patterned sensing electrode layer in a variation of the present invention.

FIG. 9A is a schematic diagram of a touch panel of a fourth embodiment of the present invention.

FIG. 9B is a schematic diagram of a touch panel according to a variation of the fourth preferred embodiment of the present invention.

FIG. 9C is a schematic diagram of a touch panel according to another variation of the fourth preferred embodiment of the present invention.

FIG. 10 is a schematic view showing a touch panel of a fifth preferred embodiment of the present invention.

FIG. 11 is a schematic view showing a touch panel of a sixth preferred embodiment of the present invention.

In order to make the present invention more familiar to those skilled in the art to which the present invention pertains, the preferred embodiments of the present invention are listed below, and the composition of the present invention and the desired effect are described in detail in conjunction with the drawings. .

Please refer to Figure 1 and Figure 2. 1 and 2 are schematic views of a touch panel of a first preferred embodiment of the present invention, wherein FIG. 1 is a top view of the touch panel of the present embodiment, and FIG. A cross-sectional view of the touch panel of FIG. 1 taken along line A-A' is shown. As shown in FIG. 1 and FIG. 2 , the touch panel 1 of the present embodiment includes a first substrate 11 , a second substrate 12 , an adhesive layer 13 , a first patterned sensing electrode layer 21 , and a first The second sensing electrode layer 22 is patterned. The first substrate 11 has a first surface 11A and a second surface 11B opposite to each other. The second substrate 12 has a third surface 12C and a fourth surface 12D opposite to each other, wherein the second surface 11B of the first substrate 11 faces the third surface 12C of the second substrate 12. The adhesive layer 13 is disposed between the second surface 11B of the first substrate 11 and the third surface 12C of the second substrate 12 for bonding the first substrate 11 and the second substrate 12. The first patterned sensing electrode layer 21 is disposed on the first surface 11A of the first substrate 11 , and the second patterned sensing electrode layer 22 is disposed on the fourth surface 12D of the second substrate 12 . The above description of the arrangement provided on the surface of the substrate is not limited to being directly contacted on the surface of the substrate.

In this embodiment, the first substrate 11 and the second substrate 12 respectively comprise a thin substrate, wherein one of the thin substrates has a thickness of between 0.05 mm and 0.2 mm, preferably between 0.05 mm and 0.15 mm. Between, or preferably between 0.05 mm and 0.1 mm. Further, the material of the thin substrate is a material which has high light transmittance for visible light and has good chemical resistance and anti-scratch ability. For example, the thin substrate may preferably be a thin glass substrate, which has high transmittance for visible light and excellent resistance. Sex and scratch resistance. In addition, the thickness of the glass substrate is generally greater than 0.4 mm. To reduce the thickness, the glass substrate must be attached to a first carrier substrate for thinning, and then the thinned glass substrate is flipped over and attached to the first On the second carrier substrate, the thinned glass substrate is removed from the first carrier substrate, and a patterned sensing electrode layer is formed on the surface of the thinned glass substrate, and finally thinned and patterned. The glass substrate of the sensing electrode layer is removed from the second carrier substrate; then, the above steps are repeated to fabricate another glass substrate having a patterned sensing electrode layer. Therefore, not only the process is complicated but the process yield is low. In contrast, the thickness of the thin glass substrate of the present embodiment can be between 0.05 mm and 0.2 mm without a thinning process, without requiring an additional thinning process, thereby simplifying the process. It has a high process yield, and when the thickness of the thin glass substrate is between 0.05 mm and 0.2 mm, the thin glass substrate has flexible properties and can even be directly produced in a roll form, which increases the convenience of application and manufacture. . The adhesive layer 13 may include, for example, a Liquid Optically Clear Adhesive (LOCA) or a Pressure Sensitive Adhesive (PSA), but is not limited thereto. The adhesive layer 13 can be a full surface adhesive disposed between the first substrate 11 and the second substrate 12 such that the first substrate 11 and the second substrate 12 are free of voids. In addition, the adhesive layer 13 preferably has high light transmittance for visible light, and the adhesive layer 13, the first substrate 11 and the second substrate 12 preferably have equal or similar refractive indices, thereby reducing refraction and reflection and increasing touch. Optical characteristics of panel 1. The first patterned sensing electrode layer 21 and the second patterned sensing electrode layer 22 are disposed on the second substrate 12, and may be respectively a patterned transparent sensing electrode layer, and the material thereof may be, for example, indium tin. Oxide, ITO), indium zinc oxide (IZO), aluminum zinc oxide (AZO), zinc oxide (ZnO), and tin oxide, but not limit. The first patterned sensing electrode layer 21 and the second patterned sensing electrode layer 22 form a plurality of capacitive sensing structures for providing a touch input function. The first patterned sensing electrode layer 21 includes a plurality of first sensing electrodes 21S, the second patterned sensing electrode layer 22 includes a plurality of second sensing electrodes 22S, and the first sensing electrodes 21S and the second sensing The electrodes 22S are arranged in a cross. In this embodiment, the first sensing electrode 21S and the second sensing electrode 22S are respectively strip electrodes, and the first sensing electrode 21S and the second sensing power are observed in a vertical projection direction. The pole 22S is substantially vertically crossed, but is not limited thereto. The overlapping area or the line width of the first sensing electrode 21S and the second sensing electrode 22S are respectively adjusted, and the area or line width of the second patterned sensing electrode layer 22 is preferably larger than the first pattern. The area or line width of the sensing electrode layer 21 is not limited thereto. The first sensing electrode 21S and the second sensing electrode 22S are electrically connected to one end of a connecting wire 23 (for example, a metal connecting wire), and the other end of the connecting wire 23 is electrically connected to a driving circuit (not shown). connection.

In the present creation, the touch panel 1 has a capacitive sensing of a double-layer patterned sensing electrode layer Structure, so it has a good touch sensing effect. The first patterned sensing electrode layer 21 and the second patterned sensing electrode layer 22 are respectively formed on the first substrate 11 and the second substrate 12, and the first substrate 11 and the second substrate 12 are coated by the adhesive layer 13 Engage. The first substrate 11 and the second substrate 12 are thin glass substrates, and the thickness of the thin glass substrate can be reduced to between 0.05 mm and 0.2 mm compared to a general glass substrate having a thickness of more than 0.4 mm, thereby effectively reducing the touch panel. The overall thickness of 1 increases the capacitive sensing effect. In addition, the thin glass substrate has higher light transmittance than the plastic substrate, and the optical characteristics of the touch panel 1 can be improved. Please refer to Table 1. Table 1 lists the relative visible light transmittance of glass and several plastic materials.

As can be seen from Table 1, plastic materials such as polycarbonate (PC), poly The relative visible light transmittance of polyethylene terephthalate (PET) or polyethersulfone (PES) can only reach about 90%, compared to 100% relative light transmittance of glass. . The touch panel 1 of the present invention uses a thin glass substrate, so that the requirements for thinning can be achieved and the visual clarity is better, especially when applied to a touch display panel. The overall thickness of the touch panel 1 is minimized and its effect on the brightness and contrast of the display panel is minimized.

Please refer to Figure 3 and refer to Figure 1 and Figure 2 together. FIG. 3 is a schematic diagram of a touch display panel according to a first preferred embodiment of the present invention. As shown in FIG. 3 , the touch display panel 3 of the present embodiment includes a touch panel 1 , a display panel 31 , and a cover lens 32 . The structure of the touch panel 1 is as described in the embodiments shown in FIG. 1 and FIG. 2, and details are not described herein again. The display panel 31 is disposed below the second substrate 12 and faces the fourth surface 12D of the second substrate 12. The display panel 31 may be various types of display panels such as a liquid crystal display panel, an organic electroluminescent display panel, a plasma display panel, a field emission display panel, or an electrophoretic display panel, and the like. The cover plate 32 is disposed on the first surface 11A of the first substrate 11 and covers the first patterned sensing electrode layer 21 . The cover 32 is used to protect the touch panel 1 , which may be a glass cover or a plastic cover, but is not limited thereto. In the present embodiment, the cover 32 and the first substrate 11 can be joined by another adhesive layer 33. The adhesive layer 33 may include, for example, a liquid optical glue or a pressure sensitive adhesive, but is not limited thereto. The adhesive layer 33 can be a full face glue disposed between the first substrate 11 and the cover plate 32 such that the first substrate 11 and the cover plate 32 are free of voids. In addition, the adhesive layer 33 preferably has a high transmittance for visible light, and the adhesive layer 33, the first substrate 11 and the cover 32 preferably have an equal or similar refractive index, thereby reducing refraction and reflection and increasing touch display. Optical characteristics of panel 3. In a variant embodiment, the adhesive layer 33 can also be a sealant which is disposed only on the edge of the cover 32 and the first substrate 11. In addition, the area of the second patterned sensing electrode layer 22 is preferably larger than the area of the first patterned sensing electrode layer 21, whereby the second patterned sensing electrode layer 22 can exert a shielding effect to avoid display. The signal of the panel 31 interferes with the signal of the touch panel.

The touch panel 1 of the touch display panel 3 of the present invention uses a thin glass substrate, which has better visual clarity and can have a better capacitive sensing effect of the capacitive sensing structure. Therefore, the touch display panel 3 of the present invention can not only achieve the requirements of thinning, but also provide high brightness and contrast, and accurate touch sensitivity.

The touch panel and the touch display panel of the present invention are not limited to the above embodiments. Below The touch panel and the touch display panel of other preferred embodiments of the present invention will be sequentially described, and the same symbols are used in the following embodiments for the purpose of comparing the differences of the embodiments and simplifying the description. The components are mainly described for the differences between the embodiments, and the repeated portions are not described again.

Please refer to Figure 4. FIG. 4 is a schematic view showing a touch panel of a second preferred embodiment of the present invention. As shown in FIG. 4 , unlike the first preferred embodiment, in the touch panel 4 of the present embodiment, the first patterned sensing electrode layer 21 is disposed on the second surface 11B of the first substrate 11 . The second patterned sensing electrode layer 22 is disposed on the fourth surface 12D of the second substrate 12 . Compared with the first preferred embodiment, since the distance between the first patterned sensing electrode layer 21 and the second patterned sensing electrode layer 22 of the embodiment is relatively close, under the consideration of the same induced capacitance value, The overlapping area or line width of the first patterned sensing electrode layer 21 and the second patterned sensing electrode layer 22 may be smaller than the first patterned sensing electrode layer 21 and the second patterned sensing of the first preferred embodiment. The overlapping area or line width of the electrode layer 22. The above description of the arrangement provided on the surface of the substrate is not limited to being directly contacted on the surface of the substrate.

Please refer to Figure 5 and refer to Figure 4 together. FIG. 5 is a schematic diagram of a touch display panel according to a second preferred embodiment of the present invention. As shown in FIG. 5 , the touch display panel 5 of the present embodiment includes a touch panel 4 and a display panel 31 . The structure of the touch panel 4 is as described in the embodiment shown in FIG. 4, and details are not described herein again. The display panel 31 is disposed below the second substrate 12 and faces the fourth surface 12D of the second substrate 12. It should be noted that in the touch display panel 5 of the embodiment, the first substrate 11 may also be a cover plate, wherein the cover plate may be a thin glass substrate or a substrate of other materials, and the second substrate 12 is thin. The glass substrate can reduce the setting of the external cover.

Please refer to Figure 6. FIG. 6 is a diagram showing the touch control of a third preferred embodiment of the present invention. Schematic diagram of the panel. As shown in FIG. 6 , unlike the first and second preferred embodiments, in the touch panel 6 of the present embodiment, the first patterned sensing electrode layer 21 is disposed on the second surface of the first substrate 11 . 11B, and the second patterned sensing electrode layer 22 is disposed on the third surface 12C of the second substrate 12. Compared with the first and second preferred embodiments, since the distance between the first patterned sensing electrode layer 21 and the second patterned sensing electrode layer 22 of the embodiment is relatively close, the same sensing capacitance value is used. The overlapping area or line width of the first patterned sensing electrode layer 21 and the second patterned sensing electrode layer 22 may be smaller than the first patterned sensing electrode layer 21 of the first and second preferred embodiments. The second patterned sensing electrode layer 22 has an overlapping area or line width. The above description of the arrangement provided on the surface of the substrate is not limited to being directly contacted on the surface of the substrate.

Please refer to Figure 7 and refer to Figure 6 together. Figure 7 shows one of the creations A schematic diagram of a touch display panel of a preferred embodiment. As shown in FIG. 7 , the touch display panel 7 of the present embodiment includes a touch panel 6 and a display panel 31 . The structure of the touch panel 6 is as described in the embodiment shown in FIG. 6, and details are not described herein again. The display panel 31 is disposed below the second substrate 12 and faces the fourth surface 12D of the second substrate 12. It should be noted that in the touch display panel 7 of the embodiment, the first substrate 11 may also be a cover plate, wherein the cover plate may be a thin glass substrate or a substrate of other materials, and the second substrate 12 is thin. The glass substrate can reduce the setting of the external cover.

The pattern of the first patterned sensing electrode layer and the second patterned sensing electrode layer of the present invention It is not limited to a straight strip electrode, but may be other various shapes. Please refer to Figure 8. FIG. 8 is a schematic diagram showing a first patterned sensing electrode layer and a second patterned sensing electrode layer in a variation of the present invention. As shown in FIG. 8, in the present modified embodiment, the first patterned sensing electrode layer 21 is packaged. The plurality of first sensing pads 21P are included, and the second patterned sensing electrode layer 22 includes a plurality of second sensing pads 22P, wherein a portion of the first sensing pads 21P are connected in series with each other, and a portion of the second sensing pads 22P are connected in series with each other. The first sensing pad 21P and the second sensing pad 22P may include, for example, a diamond shaped sensing pad, but may not be other shapes of the sensing pad. The first sensing pad 21P of the first patterned sensing electrode layer 21 and the second sensing pad 22P of the second patterned sensing electrode layer 22 of the modified embodiment may be applied to any of the foregoing embodiments to replace the A first sensing electrode 21S of the sensing electrode layer 21 and a second sensing electrode 22S of the second patterned sensing electrode layer 22 are patterned.

Please refer to Figure 9A. FIG. 9A is a diagram showing a touch panel of a fourth embodiment of the present invention. Schematic diagram. As shown in FIG. 9A, unlike the foregoing embodiment, the touch panel 50 of the present embodiment may include only one substrate 51. The substrate 51 has a first surface 51A and a second surface 51B. The substrate 51 includes a thin glass substrate, and the thickness of the thin glass substrate is between 0.05 mm and 0.2 mm, but not limited thereto. In other words, in this embodiment, the configuration of the second substrate can be further reduced, and only the single substrate 51 is provided. In addition, the touch panel 50 of the present embodiment further includes a sensing component 50X, and the sensing component 50X can include a first patterned sensing electrode layer 21 disposed on the first surface 51A of the substrate 51, and a second The patterned sensing electrode layer 22 is disposed on the second surface 51B of the substrate 51. The adhesive layer 33 is disposed between the cover 32 and the first surface 51A of the substrate 51 for bonding the first surface 51A of the substrate 51 and the cover 32. Since the arrangement of the second substrate is reduced in the embodiment, the overall thickness of the touch panel 50 can be more effectively reduced to meet the purpose of thinning. The above description of the arrangement provided on the surface of the substrate is not limited to being directly contacted on the surface of the substrate.

Please refer to Figure 9B. FIG. 9B illustrates a variation of the fourth preferred embodiment of the present creation A schematic diagram of a touch panel of an embodiment. As shown in FIG. 9B, in the touch panel 60 of the modified embodiment, in addition to reducing the configuration of the second substrate, the second patterned sensing electrode layer can be reduced. Configuration. To be precise, in the present variation embodiment, the sensing element 50X may include only the first patterned sensing electrode layer 21, and the first patterned sensing electrode layer 21 is disposed on the base. On the first surface 51A of the plate 51. In addition, the adhesive layer 33 is disposed between the cover 32 and the first surface 51A of the substrate 51 for bonding the first surface 51A of the substrate 51 and the cover 32. The above description of the arrangement provided on the surface of the substrate is not limited to being directly contacted on the surface of the substrate.

Please refer to Figure 9C. Figure 9C illustrates another fourth preferred embodiment of the present invention A schematic diagram of a touch panel of a variation embodiment. As shown in FIG. 9C, in the touch panel 70 of the modified embodiment, in addition to reducing the configuration of the second substrate, the second patterned sensing electrode layer can be reduced. Configuration. To be precise, unlike the embodiment of FIG. 9B, in the present variation embodiment, the sensing element 50X may include only the first patterned sensing electrode layer 21, and the first patterned sensing electrode layer 21 is disposed on the substrate. The second surface 51B of the 51, and the adhesive layer 33 is disposed between the cover 32 and the first surface 51A of the substrate 51 for bonding the first surface 51A of the substrate 51 and the cover 32. The above description of the arrangement provided on the surface of the substrate is not limited to being directly contacted on the surface of the substrate.

Please refer to Figure 10. FIG. 10 is a diagram showing the touch of the fifth preferred embodiment of the present invention. Schematic diagram of the panel. As shown in FIG. 10, in the embodiment, the sensing component 50X of the touch panel 80 includes a plurality of first sensing pads 21X, a plurality of second sensing pads 21Y, a plurality of connecting portions 21C, and a plurality of The bridge portion 22C and an insulating layer 24. Each of the connecting portions 21C connects two adjacent first sensing pads 21X, and each of the bridge portions 22C connects two adjacent second sensing pads 21Y, and the adjacent first sensing pads 21X and the second sensing pads The insulation between 21Y is configured. In this embodiment, the insulating layer 24 is used to achieve an insulating configuration between the adjacent first sensing pads 21X and the second sensing pads 21Y. The insulating layer 24 may include an inorganic insulating layer such as yttria, tantalum nitride or yttrium oxynitride or the like, or an organic insulating layer such as an epoxy resin, but is not limited thereto. The insulating layer 24 includes, for example, a plurality of island-shaped insulating structures 24S disposed between the bridge portion 22C and the connecting portion 21C, but the present invention is not limited thereto. In other embodiments, the insulating layer 24 may also be a strip-shaped insulating structure or cover the entire area of the touch area. The design can utilize the edge effect between the first sensing pad 21X and the second sensing pad 21Y for touch sensing. In this implementation In an example, the first sensing pad 21X, the second sensing pad 21Y, and the connecting portion 21C may be formed by using the same layer of patterned sensing electrode layer, such as a first patterned sensing electrode layer, and the bridge portion 22C may utilize another layer. The patterned sensing electrode layer is, for example, a second patterned sensing electrode layer, but is not limited thereto. In addition, the sensing element 50X may be disposed on any surface of the substrate 51. The first sensing pad 21X and the second sensing pad 21Y can be electrically connected to one end of the connecting wire 23 (for example, a metal connecting wire), and the other end of the connecting wire 23 can be electrically connected to a driving circuit (not shown). connection.

Please refer to Figure 11 again. Figure 11 is a diagram showing the touch of the sixth preferred embodiment of the present invention. Schematic diagram of the control panel. As shown in FIG. 11 , in the present embodiment, the sensing element 50X of the touch panel 90 includes a plurality of sensing electrodes 21A and a plurality of sensing pads 21B, and each sensing electrode 21A and each sensing pad 21B are Insulation configuration. The design can utilize the edge effect between the sensing electrode 21A and the sensing pad 21B for touch sensing. Because the configuration of the second patterned sensing electrode layer is reduced in this embodiment, it is not necessary to flip the substrate 51 and repeat the patterned sensing electrode layer on the other side after completing the patterned sensing electrode layer on one side. The production can reduce the complicated process of the process. The sensing electrode 21A and the sensing pad 21B may be formed by the same layer of patterned sensing electrode layers, but not limited thereto. The sensing element 50X may be disposed on any surface of the substrate 51. The sensing electrode 21A and the sensing pad 21B can be electrically connected to one end of the connecting wire 23 (for example, a metal connecting wire), and the other end of the connecting wire 23 can be electrically connected to a driving circuit (not shown).

In summary, the touch panel and the touch display panel of the present invention use a thin glass base. The thickness of the board is only between 0.05 mm and 0.2 mm, so that the thickness of the touch panel or the touch display panel can be effectively reduced to meet the thin gauge specifications, and the transmittance and chemical resistance of the thin glass substrate are improved. The scratch resistance is superior to other substrates such as plastic substrates, so that the optical characteristics and durability of the touch panel and the touch display panel can be effectively improved.

The above description is only a preferred embodiment of the present invention, and the scope of patent application according to this creation is Equal changes and modifications should be covered by this creation.

1‧‧‧ touch panel

11‧‧‧First substrate

12‧‧‧second substrate

13‧‧‧Adhesive layer

21‧‧‧First patterned sensing electrode layer

22‧‧‧Second patterned sensing electrode layer

11A‧‧‧ first surface

11B‧‧‧ second surface

12C‧‧‧ third surface

12D‧‧‧Fourth surface

21S‧‧‧First sensing electrode

22S‧‧‧Second sensing electrode

Claims (29)

A touch panel includes: a first substrate having a first surface and a second surface; a second substrate having a third surface and a fourth surface, wherein the second surface of the first substrate The third surface of the second substrate; an adhesive layer disposed between the second surface of the first substrate and the third surface of the second substrate for bonding the first substrate and the second a first patterned sensing electrode layer disposed on the first surface of the first substrate; and a second patterned sensing electrode layer disposed on the fourth surface of the second substrate. The touch panel of claim 1, wherein the first substrate and the second substrate respectively comprise a thin glass substrate, and each of the thin glass substrates has a thickness of between 0.05 mm and 0.2 mm. . The touch panel of claim 1, wherein the adhesive layer comprises a liquid optical glue or a pressure sensitive adhesive. The touch panel of claim 1, wherein the first patterned sensing electrode layer comprises a plurality of first sensing electrodes, the second patterned sensing electrode layer comprises a plurality of second sensing electrodes, and The first sensing electrode and the second sensing electrodes are arranged in an intersection. A touch display panel includes: a touch panel, comprising: a first substrate having a first surface and a second surface, wherein the first surface of the first substrate is a touch sensing surface; a second substrate having a third surface and a fourth surface, wherein the second surface of the first substrate faces the third surface of the second substrate; An adhesive layer is disposed between the second surface of the first substrate and the third surface of the second substrate for bonding the first substrate and the second substrate; a first patterned sensing electrode layer And disposed on the first surface of the first substrate; and a second patterned sensing electrode layer disposed on the fourth surface of the second substrate; a display panel facing the second substrate a fourth surface; and a cover lens disposed on the first surface of the first substrate and covering the first patterned sensing electrode layer. The touch display panel of claim 5, wherein the first substrate and the second substrate respectively comprise a thin glass substrate, and each of the thin glass substrates has a thickness of 0.05 mm (mm) and 0.2 mm. between. The touch display panel of claim 5, wherein the first patterned sensing electrode layer comprises a plurality of first sensing electrodes, and the second patterned sensing electrode layer comprises a plurality of second sensing electrodes, and The first sensing electrodes and the second sensing electrodes are disposed in an intersecting manner. The touch display panel of claim 5, wherein an area of one of the second patterned sensing electrode layers is larger than an area of the first patterned sensing electrode layer. A touch panel includes: a first substrate having a first surface and a second surface; a second substrate having a third surface and a fourth surface, wherein the second surface of the first substrate The third surface of the second substrate, at least one of the first substrate and the second substrate is a thin glass substrate, and one of the thin glass substrates has a thickness of 0.05 mm (mm) and 0.2 mm between; An adhesive layer is disposed between the second surface of the first substrate and the third surface of the second substrate for bonding the first substrate and the second substrate; a first patterned sensing electrode layer And disposed on the first substrate; and a second patterned sensing electrode layer disposed on the second substrate. The touch panel of claim 9, wherein the first patterned sensing electrode layer is disposed on the first surface of the first substrate, and the second patterned sensing electrode layer is disposed on the first surface On the fourth surface of the two substrates. The touch panel of claim 9, wherein the first patterned sensing electrode layer is disposed on the second surface of the first substrate, and the second patterned sensing electrode layer is disposed on the first On the fourth surface of the two substrates. The touch panel of claim 9, wherein the first patterned sensing electrode layer is disposed on the second surface of the first substrate, and the second patterned sensing electrode layer is disposed on the first On the third surface of the second substrate. The touch panel of claim 9, wherein the adhesive layer comprises a liquid optical glue or a pressure sensitive adhesive. The touch panel of claim 9, wherein the first patterned sensing electrode layer comprises a plurality of first sensing electrodes, the second patterned sensing electrode layer comprises a plurality of second sensing electrodes, and The first sensing electrode and the second sensing electrodes are arranged in an intersection. A touch display panel includes: a touch panel, comprising: a first substrate having a first surface and a second surface, wherein the first substrate The first surface is a touch sensing surface; a second substrate has a third surface and a fourth surface, wherein the second surface of the first substrate faces the third surface of the second substrate, At least one of the first substrate and the second substrate is a thin glass substrate, and one of the thin glass substrates has a thickness of between 0.05 mm and 0.2 mm; an adhesive layer is disposed on the first Between the second surface of the substrate and the third surface of the second substrate, the first substrate and the second substrate are bonded; a first patterned sensing electrode layer is disposed on the first substrate; And a second patterned sensing electrode layer disposed on the second substrate; and a display panel facing the fourth surface of the second substrate. The touch display panel of claim 15 , wherein the first patterned sensing electrode layer is disposed on the first surface of the first substrate, and the second patterned sensing electrode layer is disposed on the first On the fourth surface of the second substrate. The touch display panel of claim 16, further comprising a cover lens disposed on the first surface of the first substrate and covering the first patterned sensing electrode layer. The touch display panel of claim 15 , wherein the first patterned sensing electrode layer is disposed on the second surface of the first substrate, and the second patterned sensing electrode layer is disposed on the second On the fourth surface of the second substrate. The touch display panel of claim 18, wherein the first substrate is a cover lens. The touch display panel of claim 15 , wherein the first patterned sensing electrode layer is disposed on the second surface of the first substrate, and the second patterned sensing electrode layer is disposed on the second On the third surface of the second substrate. The touch display panel of claim 20, wherein the first substrate is a cover lens. The touch display panel of claim 15, wherein the first patterned sensing electrode layer comprises a plurality of first sensing electrodes, and the second patterned sensing electrode layer comprises a plurality of second sensing electrodes, and The first sensing electrodes and the second sensing electrodes are disposed in an intersecting manner. A touch panel includes: a substrate having a first surface and a second surface, the substrate comprising a thin glass substrate, and one of the thin glass substrates is between 0.05 mm (mm) and 0.2 mm a cover lens disposed on the first surface of the substrate; an adhesive layer disposed between the first surface of the substrate and the cover for bonding the substrate and the cover; And a sensing component disposed on the substrate. The touch panel of claim 23, wherein the sensing component is disposed on the first surface of the substrate. The touch panel of claim 23, wherein the sensing component is disposed on the second surface of the substrate. The touch panel of claim 23, wherein the sensing component comprises a plurality of first sensing pads, a plurality of second sensing pads, a plurality of connecting portions, and a plurality of bridge portions, each of the connecting portions being adjacent to each other Two of the first sensing pads, each of the bridges connecting two adjacent second sensing pads, and insulating between the adjacent first sensing pads and the second sensing pads Configuration. The touch panel of claim 26, further comprising an insulating layer, wherein the insulating layer is disposed on the Between the bridge portion and the connecting portion. The touch panel of claim 23, wherein the sensing element comprises a plurality of sensing electrodes and a plurality of sensing pads, and each of the sensing electrodes is insulated from each of the sensing pads. The touch panel of claim 23, wherein the sensing element comprises a first patterned sensing electrode layer and a second patterned sensing electrode layer, wherein the first patterned sensing electrode layer is disposed on the touch panel The first surface of the substrate is disposed on the second surface of the substrate.