TW201545609A - Touch display panel and touch display apparatus - Google Patents

Abstract

A touch display panel includes a first substrate, a second substrate, a touch electrode unit, and at least one conducting unit. The second substrate is disposed opposite to the first substrate. The second substrate has a conductive pattern layer. The touch electrode unit is disposed on one side of the first substrate which is away from the second substrate. One end of the conducting unit is connected to the touch electrode unit, and the other end of the conducting unit is connected to the conductive pattern layer of the second substrate.

Description

Touch display panel and touch display device

The invention relates to a touch display panel and a touch display device.

With the advancement of technology, various information devices have been continuously introduced, such as mobile phones, tablet computers, ultra-thin notebooks, and satellite navigation. In addition to keyboard or mouse input or manipulation, the use of touch technology to manipulate information devices is a fairly intuitive and popular way to manipulate. Among them, the touch display panel has a user-friendly and intuitive input operation interface, so that users of any age can directly select or manipulate information devices with a finger or a stylus, and thus are increasingly favored by the market.

Generally, there are two types of touch display devices. One is to set a touch electrode unit in a display panel (for example, a liquid crystal display panel) to be an in-cell touch display panel; the other is A touch panel is added outside the display panel to form an on cell touch display panel. In the case of the more common external touch display panel, the touch panel must be electrically connected to the drive circuit by a flexible printed circuit (FPC). Then, it is electrically connected to another flexible printed circuit (FPC), and is connected to an external control chip through a flexible printed circuit to act as an electrode of the touch electrode unit. As a result, the display panel and the touch panel respectively require a flexible printed circuit, which causes an increase in the volume of the touch display device. However, the current demand for touch display devices is becoming thinner and lighter.

Therefore, how to provide a touch display panel and a touch display device can be one of the important topics by forming a lighter and thinner structure by its novel design.

In view of the above problems, an object of the present invention is to provide a touch display panel and The touch display device can be formed into a thinner and lighter structure by its structurally novel design.

To achieve the above objective, a touch display panel according to the present invention includes a first substrate, a second substrate, a touch electrode unit, and at least one conductive unit. The second substrate is disposed opposite to the first substrate. The second substrate has a patterned conductive layer. The touch electrode unit is disposed on a side of the first substrate that is away from the second substrate. One end of the conductive unit is connected to the touch electrode unit, and the other end is connected to the patterned conductive layer of the second substrate.

In an embodiment, the touch display panel may further include a support material formed at a boundary between the surface of the second substrate and the side of the first substrate. The conductive unit is formed on the support.

In an embodiment, the conductive unit can include a flexible circuit board.

In an embodiment, the touch display panel may include a plurality of conductive units, and the touch electrode unit includes a plurality of first direction electrodes and a plurality of second direction electrodes. The first direction electrodes and the second direction electrodes are electrically connected to the patterned conductive layers on different sides of the second substrate by the conductive units.

In one embodiment, the touch display panel may further include a touch integrated circuit disposed on the second substrate and electrically connected to the conductive unit via the patterned conductive layer of the second substrate.

In one embodiment, the touch display panel may further include a touch integrated circuit and an electrical connector. The patterned conductive layer of the second substrate is electrically connected to the touch integrated circuit via an electrical connection.

In an embodiment, the touch display panel may include a liquid crystal display panel, a light emitting diode display panel, or an organic light emitting diode display panel.

To achieve the above objective, a touch display device according to the present invention includes a backlight module and a touch display panel. The touch display panel includes a first substrate, a second substrate, a touch electrode unit, and at least one conductive unit. The second substrate is disposed opposite to the first substrate. The second substrate has a patterned conductive layer. The touch electrode unit is disposed on a side of the first substrate and away from the second substrate. One end of the conductive unit is connected to the touch electrode unit, and the other end is connected to the patterned conductive layer of the second substrate. The backlight module is disposed on one side of the second substrate.

In an embodiment, the touch display device may further include a support material formed at a boundary between the surface of the second substrate and the side of the first substrate. The conductive unit is formed on the support.

In an embodiment, the conductive unit comprises a flexible circuit board.

In an embodiment, the touch display panel may include a plurality of conductive units, and the touch electrode unit includes a plurality of first direction electrodes and a plurality of second direction electrodes. The first direction electrodes and the second direction electrodes are electrically connected to the patterned conductive layers on different sides of the second substrate by the conductive units.

In one embodiment, the touch display device may further include a touch integrated circuit disposed on the second substrate and electrically connected to the conductive unit via the patterned conductive layer of the second substrate.

In one embodiment, the touch display device can further include a touch integrated circuit and an electrical connector. The patterned conductive layer of the second substrate is electrically connected to the touch integrated circuit via an electrical connection.

In an embodiment, the touch display device can include a liquid crystal display panel.

As described above, the touch display panel and the touch display device of the present invention electrically connect the touch electrode unit and the patterned conductive layer through the conductive unit, so that the touch panel and the display panel share the integrated circuit. In some embodiments, the touch electrode unit can be electrically connected to the patterned conductive layer through the conductive unit to share the integrated circuit, thereby reducing the use of the integrated circuit.

1a, 1b, 1c, 2a, 2b, 2c, 3a, 3b, 3c, 3d‧‧‧ touch display panel

11, 21, 31‧‧‧ first substrate

12, 22, 32‧‧‧ second substrate

121, 221, 321‧‧‧ patterned conductive layer

1211, 2211, 3211‧‧‧ patterned electrodes

13, 23, 33‧‧‧ touch electrode unit

13a‧‧‧First electrode layer

13b‧‧‧Second electrode layer

131‧‧‧Drive electrodes

132‧‧‧Induction electrode

14, 24, 24a, 24b, 34‧‧‧ conductive units

15, 25, 35‧‧‧ Links

16, 26, 36‧‧‧ Display media

17‧‧‧Protected substrate

18, 28, 38, 40‧‧‧ touch integrated circuits

241‧‧‧First conductive material

242‧‧‧Second conductive material

39‧‧‧Electrical connectors

A-A, B-B, C-C, D-D, E-E, F-F‧‧‧ segments

G‧‧‧Optical adhesive layer

H‧‧‧Tongkong

I‧‧‧Drive integrated circuit

LM‧‧‧Backlight Module

P‧‧‧Printed circuit board

R‧‧‧ accommodating space

S, S1‧‧‧ support materials

Z‧‧‧Lead

FIG. 1A is a perspective view of a touch display panel according to a first embodiment of the present invention.

1B is a cross-sectional view of the touch display panel of FIG. 1A along line A-A.

FIG. 1C is a schematic top view of the touch electrode unit shown in FIG. 1A.

FIG. 1D is a perspective view of another aspect of the touch electrode unit shown in FIG. 1A.

1E is a cross-sectional view showing another aspect of a touch display panel according to a first embodiment of the present invention.

1F is a cross-sectional view showing still another aspect of a touch display panel according to a first embodiment of the present invention.

2A is a perspective view showing an aspect of a touch display panel according to a second embodiment of the present invention.

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

2C is a perspective view of another aspect of a touch display panel according to a second embodiment of the present invention.

2D is a cross-sectional view of the touch display panel of FIG. 2C along a line C-C.

2E is a perspective view of still another aspect of a touch display panel according to a second embodiment of the present invention.

2F is a cross-sectional view of the touch display panel of FIG. 2E along a line D-D.

3A is a perspective view of a touch display panel according to a third embodiment of the present invention.

3B is a cross-sectional view of the touch display panel of FIG. 3A along the line E-E.

3C is a perspective view of another aspect of a touch display panel according to a third embodiment of the present invention.

FIG. 3D is a perspective view of still another aspect of a touch display panel according to a third embodiment of the present invention.

3E is a cross-sectional view of the touch display panel of FIG. 3D along the line F-F.

FIG. 3F is a schematic diagram of still another aspect of a touch display panel according to a third embodiment of the present invention.

FIG. 3G is a schematic diagram of still another aspect of a touch display panel according to a third embodiment of the present invention.

The touch display panel and the touch display device according to the preferred embodiment of the present invention will be described with reference to the accompanying drawings, wherein the same elements will be described with the same reference numerals. The drawings of all the embodiments of the present invention are merely illustrative and do not represent true dimensions and proportions.

1A is a perspective view of a touch display panel according to a first embodiment of the present invention, and FIG. 1B is a cross-sectional view of the touch display panel of FIG. 1A along line A-A. Referring to FIG. 1A and FIG. 1B , the touch display panel 1 a includes a first substrate 11 , a second substrate 12 , a touch electrode unit 13 , and at least one conductive unit 14 .

The first substrate 11 may be a color filter (CF) substrate of a display module or a cover substrate of an organic light emitting diode (OLED), which is not limited herein. The second substrate 12 is disposed opposite to the first substrate 11. The material of the first substrate 11 and the second substrate 12 may include glass, plastic or other light transmissive materials, and may be a flexible substrate. In addition, the materials of the first substrate 11 and the second substrate 12 may be the same or different.

In this embodiment, the touch display panel 1 further includes a connecting member 15 that forms an accommodating space R with the first substrate 11 and the second substrate 12 . The connecting member 15 can be an adhesive. Also referred to as a sealant, for example, but not limited to, a thermosetting sealant or a UV curable sealant. In addition, a display medium 16 can be disposed in the housing space R. The display medium 16 can be, for example, a liquid crystal material or an organic electroluminescent material. In addition, the touch electrode unit 13 is disposed on a side of the first substrate 11 away from the display medium 16 . In particular, in the embodiment, the conductive unit 14 electrically connects the touch electrode unit 13 to the second substrate 12.

In the following description, the display medium 16 is a liquid crystal material, and the touch display panel 1 is a touch liquid crystal display panel as an example.

FIG. 1C is a top plan view showing an aspect of the touch electrode unit shown in FIG. 1A. Referring to FIG. 1A, FIG. 1B and FIG. 1C, the touch electrode unit 13 is disposed on a side of the first substrate 11 away from the second substrate 12, that is, when the touch electrode unit 13 is a diaphragm. The electrodes of the touch electrode unit 13 can also be directly disposed on the surface of the first substrate 11 away from the second substrate 12. The touch electrode unit 13 further includes a plurality of driving electrodes 131 and a plurality of sensing electrodes 132. The driving electrodes 131 and the sensing electrodes 132 are substantially elongated and staggered to form a plurality of interlaced points. The insulating material is not electrically connected to each other, and the leakage current or capacitance formed by the user touching or floating on the surface of the touch display panel 1a is sensed to determine the touch position. In other embodiments, the driving electrode 131 and the sensing electrode 132 may also be in a block shape or a comb shape, and are formed together in a single layer structure.

The material of the touch electrode unit 13 can be, for example but not limited to, indium tin oxide (ITO), indium zinc oxide (IZO), fluorine doped tin oxide (FTO), Aluminum doped zinc oxide (AZO), gallium doped zinc oxide (GZO) or a combination thereof.

FIG. 1D is a perspective view showing another aspect of the touch electrode unit shown in FIG. 1A. In this aspect, the touch electrode unit 13 includes a first electrode layer 13a and a second electrode layer 13b. The first electrode layer 13a includes a plurality of driving electrodes 131 which are respectively arranged in the first direction. Similarly, the second electrode layer 13b also includes a plurality of sensing electrodes 132, respectively arranged in the second direction, and the first electrode layer 13a and the second electrode layer 13b are respectively disposed on different film materials.

Although different aspects of the touch electrode unit are provided above, it is known to those skilled in the art that applying other aspects of the touch electrode unit to the present invention does not affect the present invention. The main spirit.

Referring to FIG. 1A and FIG. 1B again, the second substrate 12 has a patterned conductive layer 121 on a side close to the first substrate 11. The patterned conductive layer 121 can be a multi-layer composite structure that can include pixel electrodes, and interleaved data lines and scan lines to control the display medium 16 to display a picture. Further, a portion of the patterned conductive layer 121 that is not covered by the first substrate 11 and exposed, and a lead (not shown) connected to the data line or the scanning line may be disposed.

The material of the patterned electrode layer 121 can be, for example but not limited to, indium tin oxide (ITO), indium zinc oxide (IZO), fluorine doped tin oxide (FTO), Aluminum doped zinc oxide (AZO), gallium doped zinc oxide (GZO), metal, graphene or other conductive materials.

Referring to FIG. 1A and FIG. 1B , one end of the conductive unit 14 is connected to the touch electrode unit 13 , and the other end is connected to the patterned conductive layer 121 of the second substrate 12 . In this embodiment, the conductive unit 14 is disposed on the exterior of the first substrate 11, that is, the surface or sidewall of the first substrate 11, and one end thereof is extended on the touch electrode unit 13 and can be printed and sputtered. The coating electrode unit 13 is electrically connected to the patterned conductive layer 121 along the sidewall of the first substrate 11 . The patterned conductive layer 121 may further have a plurality of patterned electrodes 1211 disposed corresponding to the conductive unit 14 and electrically connected. In addition, the conductive unit 14 of the present embodiment may be, for example but not limited to, a metal-containing material, such as a conductive silver paint, a conductive paste, or an anisotropic conductive film (ACF).

It is to be noted that, in this embodiment, the conductive electrodes 14 are disposed on the same side of the first substrate 11 to electrically connect the touch electrodes of the touch electrode unit 13 in the same axial direction to the patterned electrode 1211. For example, the other side of the first substrate 11 may have a similar configuration to electrically connect the other touch electrodes of the touch electrode unit 13 (for example, the driving electrodes 131 shown in FIG. 1C). Connected to the patterned conductive layer 121. Certainly, the touch electrodes of different axial directions of the touch electrode unit 13 can also be designed through the wiring, and the axially connected wires are integrated into a single axial direction, so that conductive can be disposed only on one side of the first substrate 11 . The structure of the unit 14 and the patterned electrode 1211.

The touch display panel 1a may further include a touch control IC (Touch Control IC) 18 disposed on the second substrate 12 and via the second substrate 12 as shown in FIG. 1A and FIG. The conductive layer 121 is patterned and electrically connected to the conductive unit 14. In other words, the touch integrated circuit 18 is directly disposed on the patterned conductive layer 121 by a chip on glass (COG) technology. As a result, the touch electrode unit 13 can be electrically connected to the patterned conductive layer 121 via the conductive unit 14 and electrically connected to the touch integrated circuit 18 .

1E is a cross-sectional view showing another aspect of the touch display panel according to the first embodiment of the present invention. As shown in FIG. 1E , the touch display panel 1 b can have a protective substrate 17 disposed on the touch electrode unit 13 . The protective substrate 17 is a transparent substrate, and the material thereof can be glass or plastic. Further, the protective substrate 17 is bonded to the touch electrode unit 13 through the optical adhesive layer G. The optical adhesive layer G may cover a portion of the conductive unit 14 and be disposed on a portion of the upper surface of the touch electrode unit 13. By protecting the arrangement of the substrate 17, it is possible to prevent the user from directly pressing the touch electrode unit 13 to cause damage.

1F is a cross-sectional view showing still another aspect of a touch display panel according to a first embodiment of the present invention. As shown in FIG. 1F , in the present embodiment, the touch display panel 1 c can be a touch liquid crystal display panel. Therefore, a backlight module LM can be disposed on one side of the second substrate 12 , especially in the second The substrate 12 is away from the side of the first substrate 11 for use as a touch display device. It should be noted that the setting of the backlight module LM depends on the material of the display medium 16. For example, when the display medium 16 is a self-luminous material, such as an organic electroluminescent material, it is not necessary to provide a backlight mode. Group LM. Further, the backlight module LM may not be limited to a direct type light source or a side input type light source.

2A is a perspective view of a touch display panel according to a second embodiment of the present invention, and FIG. 2B is a cross-sectional view of the touch display panel of FIG. 2A along line B-B. Referring to FIG. 2A and FIG. 2B , in the present embodiment, the connection relationship and material of the first substrate 21 , the second substrate 22 , the connecting member 25 , and the display medium 26 can be referred to the first embodiment, and details are not described herein. The touch display panel 2a further includes a support member S. The support S is formed at the boundary between the surface of the second substrate 22 and the side of the first substrate 21. The material of the support S may be, for example but not limited to, a photocurable resin or a thermosetting resin. Here, the support member S may have an inclined slope and the conductive unit 24 The support member S is formed on the support member S, so that the conductive unit 24 and the second substrate 22 are at an angle of between 0 and 90 degrees.

In this embodiment, the conductive unit 24 can be formed on the surface of the support S, for example, but not limited to printing, sputtering or coating, and one end of the conductive unit 24 is connected to the touch electrode unit 23, and the other end is connected. The patterning conductive layer 221 is connected to electrically connect the touch electrode unit 23 to the patterned conductive layer 221 and is electrically connected to the touch integrated circuit 28 by the patterned electrode 2211.

It is worth mentioning that, in this aspect, the touch display panel 2a includes a plurality of conductive units 24, and the touch electrode unit 23 includes a plurality of first direction electrodes and a plurality of second direction electrodes (as shown in FIG. 1C or FIG. 1D). The first direction electrodes and the second direction electrodes are electrically connected to the patterned conductive layers 221 on different sides of the second substrate 22 by the conductive units 24, respectively. In other words, the touch display panel 2a is disposed on the adjacent sides of the first substrate 21 to electrically connect the electrodes in different directions of the touch electrode unit 23 to the patterned conductive layer 221 . Further, the conductive units 24 on both sides of the first substrate 21 are electrically connected to the touch integrated circuit 28 by the patterned electrodes 2211, respectively. It should be noted that the two sides of the first substrate 21 are taken as an example for description. In other implementations, the conductive unit 24 may be disposed on three sides or four sides of the first substrate 21 . And electrically connected to the touch integrated circuit 28 by the patterned electrode 2211.

2C is a perspective view of another aspect of a touch display panel according to a second embodiment of the present invention, and FIG. 2D is a cross-sectional view of the touch display panel of FIG. 2C along a line C-C. Referring to FIG. 2C and FIG. 2D , in this aspect, the conductive unit 24 a of the touch display panel 2 b is disposed on both sides of the support member S, and the corresponding touch integrated circuit 28 is disposed on the patterned conductive layer 221 . . In addition, a plurality of driving integrated circuits 1 may be disposed on the patterned conductive layer 221, and the leads Z of the scan lines may be electrically connected to the driving integrated circuit 1.

It should be noted that although only the connection of the lead Z of the scan line is illustrated in FIG. 2C, it is known to those skilled in the art that the data line can also be electrically connected to the drive line as the lead Z of the scan line. Body circuit I.

2E is a perspective view of another embodiment of a touch display panel according to a second embodiment of the present invention, and FIG. 2F is a cross-sectional view of the touch display panel of FIG. 2E along a line D-D. Please refer to 2E and 2F, in this aspect, the conductive unit 24b includes a first conductive material 241 and a second conductive material 242, and the support material S1 of the touch display panel 2c has a plurality of corresponding conductive elements 24b. Hole H. The first conductive material 241 is disposed on the support material S1, and the second conductive material 242 is disposed in the through hole H, wherein the first conductive material 241 is electrically connected to the touch electrode unit 23 and the second conductive material 242; the second conductive material 242 The first conductive material 241 and the patterned conductive layer 221 are electrically connected. As a result, the touch electrode unit 23 can be electrically connected to the patterned conductive layer 221 by the first conductive material 241 of the conductive unit 24b and the second conductive material 242 of the through hole H. In addition, the materials of the first conductive material 241 and the second conductive material 242 may be the same or different, and are not limited herein.

3A is a perspective view of one embodiment of a touch display panel according to a third embodiment of the present invention, and FIG. 3B is a cross-sectional view of the touch display panel of FIG. 3A along line E-E. Referring to FIG. 3A and FIG. 3B , in the present embodiment, the connection relationship and material of the first substrate 31 , the second substrate 32 , the connecting member 35 , and the display medium 36 can be referred to the first embodiment, and details are not described herein. The conductive unit 34 of the touch display panel 3a may include a flexible printed circuit (FPC), a data sink or a soft and hard bonded board.

In this embodiment, the conductive unit 34 is a flexible circuit board having one end connected to the touch electrode unit 33 and the other end connected to the patterned conductive layer 321 of the second substrate 32. Specifically, the flexible circuit board may have a plurality of edge connectors (commonly known as gold fingers), and some of the edge connectors are correspondingly attached to the touch electrode unit 33, and the other portion is correspondingly attached to the patterned conductive layer 321 to The touch electrode unit 33 is electrically connected to the patterned conductive layer 321 .

In this embodiment, the touch display panel 3a further includes an electrical connector 39 disposed on the patterned conductive layer 321 of the second substrate 32, and the touch integrated circuit 38 is disposed on the electrical connector 39. The patterned conductive layer 321 can be electrically connected to the touch integrated circuit 38 via the electrical connector 39 . Specifically, the touch integrated circuit 38 is packaged on the electrical connector 39 by a chip on-film (COF) process, so that the touch integrated circuit 38 can be coupled to the conductive unit 34. The touch electrode unit 33 is electrically connected. The electrical connector 39 can be, for example but not limited to, a data stream, a flexible printed circuit (FPC) board, or a soft and hard board. In this way, the integrated circuit for controlling the display medium 36 on the second substrate 32 can be shared with the touch integrated circuit 38 for controlling the touch electrode unit 33 and integrated into a single integrated circuit to reduce material cost. The display medium 36 is disposed on the connecting member 35 and the first substrate. In the accommodating space R formed by the 31 and the second substrate 32, the description of the display medium 36 can be referred to the above embodiment, and details are not described herein again.

In addition, the first and second embodiments described above may also package the touch integrated circuits 18 and 28 on the electrical connector 39 by a chip on film (COF) process. It is to be noted that the driving integrated circuit 1 of the first and second embodiments may be disposed on the electrical connector 39 or integrated with the touch integrated circuits 18 and 28 as a single integrated circuit.

In practice, the conductive unit 34 can also be provided with an integrated circuit, that is, the touch integrated circuit 40 can be integrated on the conductive unit 34 to drive/receive the signal generated by the touch electrode unit 33, thereby determining The touch position (or gesture) of the user on the outer surface of the touch display panel 3a.

In addition, please refer to FIG. 3C , which is a perspective view of another aspect of a touch display panel according to a third embodiment of the present invention. In this aspect, the integrated circuit is not provided on the flexible circuit board (ie, the conductive unit 34) of the touch display panel 3b, and only serves to electrically connect the touch electrode unit 33 and the patterned conductive layer 321 .

3D is a perspective view of another embodiment of a touch display panel according to a third embodiment of the present invention, and FIG. 3E is a cross-sectional view of the touch display panel of FIG. 3D along a line F-F. Referring to FIG. 3D and FIG. 3E , in this embodiment, as shown in FIG. 2C , the conductive units 34 of the touch display panel 3 c are disposed on both sides of the sidewall of the first substrate 31 , and the remaining connections are Those skilled in the art can refer to the above description, and details are not described herein again.

FIG. 3F is a schematic diagram of still another aspect of a touch display panel according to a third embodiment of the present invention. Referring to FIG. 3F , the touch display panel 3d may further include a printed circuit board (PCB) P electrically connected to the electrical connector 39 and the touch integrated circuit 38 . It is disposed on the printed circuit board P. The touch electrode unit 33 can be electrically connected to the touch integrated circuit 38 disposed on the printed circuit board P by the conductive unit 34 , the patterned conductive layer 321 , and the electrical connector 39 .

In addition, in this aspect, the touch display panel 3d includes a plurality of conductive units 34, and the touch electrode unit 33 includes a plurality of first direction electrodes and a plurality of second direction electrodes (as shown in FIG. 1C or FIG. 1D). The first direction electrode and the second direction electrode are respectively electrically connected to the patterned conductive layer 321 located on different sides of the second substrate 32 by the conductive units 34. connection. In other words, the touch display panel 3d is disposed on the adjacent sides of the first substrate 31 to electrically connect the electrodes in different directions of the touch electrode unit 33 to the patterned conductive layer 321 . Further, the conductive units 34 on both sides of the first substrate 31 are electrically connected to the touch integrated circuit 38 by the patterned electrodes 3211 and the electrical connectors 39, respectively. It should be noted that the two sides of the first substrate 31 are taken as an example for description. In other embodiments, the conductive unit 34 may be disposed on three sides or four sides of the first substrate 31. And electrically connected to the touch integrated circuit 38 by the patterned electrode 3211 and the electrical connector 39.

FIG. 3G is a schematic diagram of still another aspect of a touch display panel according to a third embodiment of the present invention. Referring to FIG. 3G, the difference from the aspect of FIG. 3F is that, in the small-sized panel, the leads Z on different sides of the second substrate 32 are electrically connected to the same driving integrated circuit 1. Of course, in this aspect, the lead Z and the patterned conductive layer 321 may be located in different layers.

In summary, the touch display panel and the touch display device of the present invention electrically connect the touch electrode unit and the patterned conductive layer through the conductive unit, so that the touch panel and the display panel share the integrated circuit. In some embodiments, the touch electrode unit can be electrically connected to the patterned conductive layer through the conductive unit to share the integrated circuit, thereby reducing the use of the integrated circuit.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

1a‧‧‧Touch display panel

11‧‧‧First substrate

12‧‧‧second substrate

121‧‧‧ patterned conductive layer

1211‧‧‧ patterned electrode

13‧‧‧Touch electrode unit

14‧‧‧Conducting unit

15‧‧‧Links

18‧‧‧Touch integrated circuit

A-A‧‧ ‧ line segment

Claims (14)

A touch display panel includes: a first substrate; a second substrate disposed opposite the first substrate, the second substrate having a patterned conductive layer; and a touch electrode unit disposed on the first substrate a side away from the second substrate; and at least one conductive unit having one end connected to the touch electrode unit and the other end connected to the patterned conductive layer of the second substrate. The touch display panel of claim 1, further comprising: a support material formed on a surface of the second substrate and a side of the first substrate, wherein the conductive unit is formed on the support material on. The touch display panel of claim 1, wherein the conductive unit comprises a flexible circuit board. The touch display panel of claim 1, wherein the touch display panel comprises a plurality of conductive units, and the touch electrode unit comprises a plurality of first direction electrodes and a plurality of second direction electrodes, the first The directional electrodes and the second directional electrodes are electrically connected to the patterned conductive layer on different sides of the second substrate by the conductive units. The touch display panel of claim 1, further comprising: a touch integrated circuit disposed on the second substrate and electrically connected to the conductive unit via the patterned conductive layer of the second substrate Sexual connection. The touch display panel of claim 1, further comprising: a touch integrated circuit; and an electrical connecting member, wherein the patterned conductive layer of the second substrate is connected to the patterned conductive layer The touch integrated circuit is electrically connected. The touch display panel of claim 1, comprising a liquid crystal display panel, a light emitting diode display panel or an organic light emitting diode display panel. A touch display device includes: a backlight module; and a touch display panel, comprising: a first substrate; a second substrate opposite to the first substrate, the second substrate has a patterned conductive layer; a touch electrode unit disposed on a side of the first substrate away from the second substrate; and at least one conductive The unit has one end connected to the touch electrode unit and the other end connected to the patterned conductive layer of the second substrate; wherein the backlight module is disposed on one side of the second substrate. The touch display device of claim 8, further comprising: a support material formed on a surface of the second substrate and a side of the first substrate, wherein the conductive unit is formed on the support material on. The touch display device of claim 8, wherein the conductive unit comprises a flexible circuit board. The touch display device of claim 8, wherein the touch display panel comprises a plurality of conductive units, and the touch electrode unit comprises a plurality of first direction electrodes and a plurality of second direction electrodes, the first The directional electrodes and the second directional electrodes are electrically connected to the patterned conductive layer on different sides of the second substrate by the conductive units. The touch display device of claim 8, further comprising: a touch integrated circuit disposed on the second substrate and electrically connected to the conductive unit via the patterned conductive layer of the second substrate Sexual connection. The touch display device of claim 8, further comprising: a touch integrated circuit; and an electrical connector, the patterned conductive layer of the second substrate is connected to the patterned conductive layer via the electrical connector The touch integrated circuit is electrically connected. The touch display device of claim 8, comprising a liquid crystal display panel.