TWI557619B - Integrated circuit device for touch with display driver integration - Google Patents

Description

Integrated capacitive sensing control integrated circuit device

The invention relates to a touch display integrated driving device, in particular to an integrated capacitive sensing control integrated circuit device.

The trend of the mobile device is light and short, which drives the trend of the in-cell touch display panel. As the resolution of the touch display panel continues to increase, the area and the outgoing line of the driving integrated circuit also increase, and the display panel signal line The layout of the traces is difficult to increase, and the layout of the touch electrodes to the touch integrated circuit is also discussed; therefore, in order to meet the technical requirements of the embedded touch display panel, the integration of the touch IC and the display driver IC (TDDI) ) It is already the trend of the times. However, the conventional technology integrates the touch circuit and the display driving circuit on the same chip, which causes a new dilemma, such as the double area of the COG wafer occupies a significant area of the panel, leading to an increase in the cost of the panel and the realization of an unfavorable narrow frame; secondly, the touch And the display driver circuit is arranged in a chip, which is bound to cause many mutual interference and is difficult to effectively isolate; in addition, when the size or resolution of the display panel is changed, the entire integrated integrated circuit, whether it is a display or a touch portion All of them must be redesigned and re-tested for related running-in, which will not only cost more time and increase costs. Therefore, there is still room for improvement in the built-in touch panel control integrated circuit.

In order to improve the above disadvantages of the prior art, an object of the present invention is to provide an integrated capacitive sensing control integrated circuit device that can save package area and integrate capacitive sensing control integrated circuit device.

In order to achieve the above object, the present invention provides an integrated capacitive sensing control integrated circuit device, comprising: a display driving circuit chip; and a touch circuit chip, wherein the display driving circuit chip comprises: a plurality of metal bumps; And a display driving circuit electrically connected to at least one of the metal bumps; the touch circuit chip comprises: a plurality of metal conductive contacts, and a touch circuit electrically connected to the metal At least one of the conductive contacts; the touch circuit chip is surface-contacted to a surface of the display driving circuit chip, the metal conductive contacts and the punctured conductive structures and phases of the display driving circuit chip Corresponding to the metal bumps are electrically connected.

Furthermore, the present invention provides an integrated capacitive sensing control integrated circuit device comprising: a first integrated circuit chip; and a second integrated circuit chip, wherein the first integrated circuit chip includes: a plurality of metals a plurality of 矽-perforated conductive structures; a display output driving circuit electrically connected to at least one of the metal bumps; and a touch front-end linear circuit electrically connected to at least one of the metal bumps, the first The second integrated circuit chip comprises: a plurality of metal conductive contacts; a display digital sequential circuit electrically connected to at least one of the metal conductive contacts; and a touch back end digital circuit electrically connected to the metal conductive At least one of the contacts, the second integrated circuit chip is attached to the surface of the first integrated circuit wafer in a face-down manner, and the second integrated circuit wafer is connected to the first product via the metal conductive contacts The turns of the via circuit of the bulk circuit chip are electrically connected to the first integrated circuit chip.

Furthermore, the present invention provides an integrated capacitive sensing control integrated circuit device, comprising: a display driving circuit chip; and a touch circuit chip, wherein the display driving circuit chip comprises: a plurality of metal bumps; and a display The driving circuit is electrically connected to at least one of the metal bumps; the touch circuit chip includes: a plurality of conductive pads; a touch circuit electrically connected to at least one of the conductive pads; and a first redistribution layer Between the touch circuit chip and the display driving circuit chip, having a first surface and a second surface; the first surface and the second surface each have a plurality of conductive pads; and a second redistribution a layer having a first surface and a second surface; the first surface having a complex a plurality of conductive pads, the display driving circuit chip is bonded to the first surface of the second redistribution layer in a face-down manner; the conductive pads of the touch circuit chip and the first redistribution layer A plurality of metal wires are connected to each other between the conductive pads on a surface.

Furthermore, the present invention provides an integrated capacitive sensing control integrated circuit device, comprising: a display driving circuit chip; and a touch circuit chip, wherein the display driving circuit chip comprises: a plurality of metal bumps; a display driver The circuit is electrically connected to at least one of the metal bumps; the touch circuit chip includes: a plurality of conductive pads; a touch circuit electrically connected to at least one of the conductive pads; and a redistribution layer having a a first surface and a second surface, the first surface is provided with a plurality of conductive pads, and the display driving circuit chip is bonded to the first surface of the redistribution layer in a face-down manner; A plurality of metal wires are connected to each other between the conductive pads and the conductive pads of the first surface portion of the redistribution layer.

The integrated capacitive sensing control integrated circuit device, such as a COG package integrated circuit, can effectively reduce the area occupied by the panel, reduce the difficulty of the layout of the display panel, reduce internal interference, and simplify the redesign of the integrated circuit. The program and difficulty and reduce the overall cost of the touch panel.

10‧‧‧Integrated Capacitance Sensing Control Integrated Circuit Device

20‧‧‧Touch display panel

30‧‧‧Touch circuit

32‧‧‧Touch backend digital circuit

34‧‧‧Touch front-end linear circuit

40‧‧‧Display drive circuit

42‧‧‧Display digital sequential circuit

44‧‧‧Display drive output circuit

100‧‧‧Display drive circuit chip

100a‧‧‧Display mounting surface of driver circuit chip

100b‧‧‧ display bearing surface of the driver chip

102‧‧‧Metal bumps

104‧‧‧矽Perforated conductive structure

104a‧‧‧First perforated conductive structure

104b‧‧‧Second perforated conductive structure

106‧‧‧Display drive circuit

200‧‧‧Touch circuit chip

200a‧‧‧ mounting surface of touch circuit chip

202‧‧‧Touch circuit

204a‧‧‧Metal bumps

204b‧‧‧Metal pad

400‧‧‧First integrated circuit chip

400a‧‧‧Installation surface of the first integrated circuit chip

400b‧‧‧ bearing surface of the first integrated circuit chip

402‧‧‧Metal bumps

404‧‧‧矽Perforated conductive structure

406‧‧‧Display drive output circuit

407‧‧‧Touch front end linear circuit

500‧‧‧Second integrated circuit chip

500a‧‧‧ mounting surface of the second integrated circuit chip

502a‧‧‧Metal bumps

502b‧‧‧Metal conductive pad

504‧‧‧Display digital sequential circuit

505‧‧‧Touch backend digital circuit

600‧‧‧Display driver circuit chip

700‧‧‧Touch circuit chip

800‧‧‧First redistribution layer

900‧‧‧Second redistribution layer

602‧‧‧Metal bumps

604‧‧‧Display drive circuit

600a‧‧‧ display mounting surface of driver circuit chip

600b‧‧‧ display bearing surface of the driver chip

702‧‧‧Electrical mat

704‧‧‧Touch circuit

700a‧‧‧Touch circuit crystal mounting surface

800a‧‧‧The first surface of the first redistribution layer

800b‧‧‧Second surface of the first redistribution layer

808‧‧‧Multiple conductive pads on the first surface of the first redistribution layer

810‧‧‧Multiple conductive pads on the second surface of the first redistribution layer

900a‧‧‧The first surface of the second redistribution layer

900b‧‧‧Second surface of the second redistribution layer

908‧‧‧ a plurality of conductive pads of the first surface 900a of the second redistribution layer

910a‧‧‧ a plurality of conductive pads of the second surface 900b of the second redistribution layer

910b‧‧‧ a plurality of conductive terminals of the second surface 900b of the second redistribution layer

1000‧‧‧metal wire

1002‧‧‧ Conductive connecting column structure

1004‧‧‧矽Perforated conductive structure

1100‧‧‧Display drive circuit chip

1200‧‧‧Touch circuit chip

1300‧‧‧ redistribution layer

1102‧‧‧Metal bumps

1104‧‧‧Display drive circuit

1100a‧‧‧Display mounting surface of driver circuit chip

1100b‧‧‧ display bearing surface of the driver chip

1202‧‧‧Electrical mat

1204‧‧‧Touch circuit

1200a‧‧‧ Mounting surface of touch circuit chip

1200b‧‧‧ bearing surface of touch circuit chip

The first surface of the 1300a‧‧ ‧ redistribution layer 1300

1300b‧‧‧ second surface of redistribution layer 1300

1308, 1310a, 1310b‧‧‧ conductive pads

1A is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a first specific example of the present invention.

2A is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a second specific embodiment of the present invention.

1B is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a third specific example of the present invention.

2B is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a fourth specific example of the present invention.

3A is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a fifth specific example of the present invention.

3B is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a sixth specific example of the present invention.

4A is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a seventh specific example of the present invention.

4B is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to an eighth specific example of the present invention.

FIG. 5A is a schematic diagram of an integrated capacitance sensing control integrated circuit device according to a ninth embodiment of the present invention.

FIG. 5B is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a tenth specific embodiment of the present invention.

6 is a schematic diagram of a display driving circuit and a touch circuit of the integrated capacitive sensing control integrated circuit device of the present invention.

The detailed description and the technical description of the present invention are to be understood as the

Please refer to FIG. 1A, which is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a first embodiment of the present invention. The integrated capacitive sensing control integrated circuit device 10 disclosed in the present invention is applied to a substrate or a flexible circuit board of a touch display panel 20, and the integrated capacitive sensing control integrated circuit device 10 is mounted on the touch display panel 20 One of the display circuit chip 100 and a touch circuit chip 200 are shown. The display driving circuit chip 100 includes a plurality of metal bumps 102, a plurality of germanium via conductive structures 104, and a display driving circuit 106. The display driving circuit wafer 100 includes a mounting surface. (mounting face) 100a and a supporting face 100b opposite to the mounting surface 100a, the metal bumps 102 are disposed on the mounting surface 100a, and at least a portion of the perforated conductive structure 104 is extended by the mounting surface 100a to The carrier surface 100b is provided to provide electrical connections across the display driver circuit die 100. The touch circuit chip 200 includes a touch circuit 202 and a plurality of metal conductive contacts (eg, metal bumps 204a). The touch circuit chip 200 includes a mounting surface 200a.

The touch-control circuit chip 200 is attached to the surface of the display driving circuit chip 100 in a face-down manner, that is, the mounting surface 200a of the touch circuit chip 200 is attached to the bearing surface 100b of the display driving circuit chip 100. . As shown in FIG. 1A, the through-hole conductive structures 104 include a first via-perforated conductive structure 104a that provides electrical connection between the mounting surface 100a and the carrying surface 100b, and an electrical connection between the carrying surface 100b and the display driving circuit 106. The second turn is a perforated conductive structure 104b. The metal bumps 204a of the touch circuit chip 200 can be directly electrically connected to the touch display panel 20 by the first via-hole conductive structure 104a and the metal bumps 102 of the driver circuit chip 100. The signal transmission between the chip 200 and the touch display panel 20; for example, the touch circuit chip 200 transmits a touch signal through the through-hole conductive structure 104 to the substrate or the flexible circuit board of the touch display panel 20. Moreover, the touch circuit chip 200 can first send the touch signal to the display driving circuit 106 for processing, or the touch circuit chip 200 can be self-displayed by the driving circuit 106. Get the power, or make the touch signal and display signal switch control. In addition, one of the metal bumps 204a of the touch circuit chip 200 can be electrically connected to a metal bump 102 through a second via-hole conductive structure 104b and the internal metal traces 110 of the display driver circuit 106, thereby achieving a change connection. The effect of the metal bumps 102 increases the flexibility of the package. Moreover, as the resolution of the display increases, the design and specifications of the display driver circuit chip 100 also change, but the resolution of the touch circuit chip 200 does not change. By the display driving circuit chip 100 and the touch circuit chip 200 being independent of each other and connecting the display driving circuit chip 100 and the touch circuit chip 200 by metal conductive contacts, the touch circuit chip 200 can be integrated from the original capacitor. Sensing control integrated circuit The device is separated and applied to another integrated capacitive sensing control integrated circuit device of different display resolutions, thereby simplifying the procedure and difficulty of the integrated circuit redesign and reducing the overall cost of the touch panel.

The display driving circuit 106 includes a digital timing generating circuit and a panel display output driving circuit. The touch circuit 202 of the touch circuit chip 200 is a self-capacitance touch circuit or a mutual capacitance touch circuit. Furthermore, referring to FIG. 6, the internal structure of the display driving circuit and the touch circuit of the integrated capacitive sensing control integrated circuit device of the present invention is shown.

The metal bumps 102 of the display driving circuit chip 100 are selected from the following metal materials: aluminum, gold, copper, indium, tin, silver, tungsten, or alloys thereof; and the touch circuit chip 200 The metal bumps 204a are formed by the following metal materials: aluminum, gold, copper, indium, tin, silver, tungsten, or alloys thereof; the metal bumps 204a of the touch circuit wafer 200 are electrically conductive via a heterophase A glue or a low melting point solder is electrically coupled to the turns perforation structure 104 of the display driver circuit wafer 100.

The integrated capacitive sensing control integrated circuit device of FIG. 1A can effectively reduce the area occupied by the panel, reduce the difficulty of layout layout of the display panel, reduce internal interference, simplify the procedure and difficulty of redesigning the integrated circuit, and reduce the touch. The overall cost of the panel.

Please refer to FIG. 1B , which is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a second embodiment of the present invention. The integrated capacitive sensing control integrated circuit device 10 disclosed in the present invention is applied to a substrate or a flexible circuit board of a touch display panel 20, and the integrated capacitive sensing control integrated circuit device 10 is mostly the same as FIG. 1A, with the only difference. The touch circuit chip 200 includes a touch circuit 202 and a plurality of metal conductive contacts, wherein in the specific example, the metal conductive contacts are plural Metal conductive pad 204b. As shown in FIG. 1B, the metal conductive pads 204b of the touch circuit chip 200 are connected to the metal bumps 102 of the display driving circuit chip 100 through the via-hole conductive structures 104. The metal conductive pad can be directly electrically connected to the touch display panel 20 to achieve the touch circuit chip 200 and the touch display panel 20 Signal transmission between. In this embodiment, the metal conductive pads 204b are formed from the following metal materials: aluminum, gold, copper, indium, tin, silver, tungsten, or alloys thereof.

Please refer to FIG. 2A, which is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a third embodiment of the present invention. The integrated capacitive sensing control integrated circuit device 10 disclosed in the present invention is applied to a substrate or a flexible circuit board of a touch display panel 20, and the integrated capacitive sensing control integrated circuit device 10 is mounted on the touch display panel 20 One of the first integrated circuit wafer 400 and one second integrated circuit wafer 500. The first integrated circuit wafer 400 includes a plurality of metal bumps 402, a plurality of germanium via conductive structures 404, a display driving output circuit 406 and a touch front end linear circuit 407, wherein the first integrated circuit wafer 400 includes a The mounting surface 400a and a bearing surface 400b opposite to the mounting surface 400a are disposed on the mounting surface 400a. The second integrated circuit wafer 500 includes a plurality of metal conductive contacts (eg, metal bumps 502a), a display digital timing circuit 504, and a touch back end digital circuit 505 (eg, a digital processing and control sequential circuit); The second integrated circuit wafer 500 includes a mounting surface 500a. In this embodiment, the touch front end linear circuit 407 is a self-capacitance touch circuit or a mutual capacitance touch circuit.

The second integrated circuit wafer 500 is bonded to the surface of the first integrated circuit wafer 400 in a face-down manner, that is, the mounting surface 500a of the second integrated circuit wafer 500 is attached to the first integrated body. The bearing surface 400b of the circuit wafer 400. As shown in FIG. 2A, the 矽-perforated conductive structure 404 is electrically connected between the carrying surface 400b of the first integrated circuit wafer 400 and the display driving output circuit 406 and the touch front-end linear circuit 407 to provide a second product. The display digital sequence circuit 504 and the touch back end digital circuit 505 of the bulk circuit chip 500 are electrically connected to the display drive output circuit 406 of the first integrated circuit chip 400 and the touch front end linear circuit 407. For example, the second integrated circuit chip 500 can transmit a touch signal to the touch front end linear circuit 407 of the first integrated circuit chip 400 through the through-hole conductive structure 404, and the touch front end linear circuit 407 The processing result is transmitted to the touch display panel 20.

The display digital sequential circuit 504 and the touch back end digital circuit 505 of the second integrated circuit chip 500 are relatively expensive and have fewer output pins to reduce the number of the via conductive structures 404. Furthermore, depending on the application requirements, the second integrated circuit chip 500 can be separated from the original integrated capacitive sensing control integrated circuit device, and applied to another different integrated capacitive sensing control integrated circuit device. This simplifies the process and difficulty of redesigning the integrated circuit and reduces the overall cost of the touch panel.

The metal bumps 402 of the first integrated circuit wafer 400 are selected from the following metal materials: aluminum, gold, copper, indium, tin, silver, tungsten, or alloys thereof; the second integrated circuit chip The metal bumps 502a of 500 are formed by the following metal materials: aluminum, gold, copper, indium, tin, silver, tungsten, or the foregoing alloy; the metal bumps 502a of the second integrated circuit wafer 500 are The turns perforation structure 404 of the first integrated circuit wafer 400 is electrically connected via a heat conductive paste or a low melting point solder.

Please refer to FIG. 2B , which is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a fourth embodiment of the present invention. The integrated capacitive sensing control integrated circuit device 10 disclosed in the present invention is applied to a substrate or a flexible circuit board of a touch display panel 20, and the integrated capacitive sensing control integrated circuit device 10 is mostly the same as FIG. 2A, with the only difference. The second integrated circuit wafer 500 of the integrated capacitive sensing control integrated circuit device 10 includes a plurality of metal conductive contacts, and in this embodiment, the metal conductive contacts are a plurality of metal conductive pads 502b. As shown in FIG. 2B, the metal conductive pads 502b of the second integrated circuit wafer 500 are connected to the metal bumps 402 of the first integrated circuit wafer 400 through the through-hole conductive structures 404. The metal conductive pads 502b of the bulk circuit chip 500 can be directly electrically connected to the touch display panel 20 through the through-hole conductive structure 404 and the metal bumps 402 of the first integrated circuit wafer 400 to achieve the second integrated body. Signal transmission between the circuit chip 500 and the touch display panel 20. In the present embodiment, the metal conductive pad 502b is formed of the following metal materials: aluminum, gold, copper, indium, tin, silver, tungsten, or the alloys described above.

Please refer to FIG. 3A, which is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a fifth embodiment of the present invention. Integrated capacitive sensing control integrated circuit device 10 disclosed in the present invention The integrated capacitive sensing control integrated circuit device 10 includes a display driving circuit chip 600 and a touch circuit chip 700 mounted on the touch display panel 20 . a first redistribution layer 800 and a second redistribution layer 900. The display driving circuit chip 600 includes a plurality of metal bumps 602 and a display driving circuit 604. The display driving circuit chip 600 includes a mounting surface 600a and a bearing surface 600b opposite to the mounting surface 600a. The metal bumps 602 are The touch-control circuit wafer 700 includes a plurality of conductive pads 702 and a touch-control circuit 704; wherein the touch-control circuit wafer 700 includes a mounting surface 700a, the mounting surface 700a is provided with the conductive pads 702; The first redistribution layer 800 has a first surface 800a and a second surface 800b, wherein the first surface 800a is provided with a plurality of conductive pads 810 and the second surface 800b is provided with a plurality of conductive pads 808; The redistribution layer 900 has a first surface 900a and a second surface 900b, wherein the first surface 900a is provided with a plurality of conductive pads 908.

As shown in FIG. 3A, the display driving circuit chip 600 is attached to the first surface 900a of the second redistribution layer 900 in a face-down manner, that is, the mounting surface 600a of the display driving circuit chip 600 is attached to the second surface. a first surface 900a of the redistribution layer 900; a plurality of metal lines 1000 between the conductive pads 702 of the touch circuit chip 700 and the conductive pads 808 of the second surface 800b of the first redistribution layer 800 Electrically connected; a plurality of conductive connections are disposed between the conductive pads 810 of the first surface 800a of the first redistribution layer 800 and the conductive pads 908 of the first surface 900a of the second redistribution layer 900 The pillar structure 1002; the metal bumps 602 of the display driver circuit chip 600 are electrically connected to the conductive pads 908 on the first surface 900a of the second redistribution layer 900; the second redistribution layer 900 The second surface 900b is implanted with a plurality of metal conductive contacts, such as the conductive pads 910a shown in this figure. Furthermore, the metal conductive contacts may also be gold bumps.

The integrated capacitor sensing control integrated circuit device of FIG. 3A can effectively reduce the area occupied by the panel, reduce the difficulty of layout layout of the display panel, reduce internal interference, simplify the procedure and difficulty of redesigning the integrated circuit, and reduce the touch. The overall cost of the panel.

Please refer to FIG. 3B , which is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a sixth embodiment of the present invention. The integrated capacitive sensing control integrated circuit device 10 disclosed in the present invention is applied to a substrate or a flexible circuit board of a touch display panel 20, and the integrated capacitive sensing control integrated circuit device 10 is mostly the same as FIG. 3A, with the only difference. The point is that the metal conductive contacts of the second surface 900b of the second redistribution layer 900 of the integrated capacitive sensing integrated circuit device 10 are a plurality of conductive terminals 910b. The conductive terminals 910b are electrically connected to the substrate or the flexible circuit board of the touch display panel 20, and are low-lying metal solder particles, such as tin solder particles, silver tin solder particles or lead tin solder particles.

As shown in FIG. 3B, the touch circuit 704 of the touch control chip 700 transmits a touch signal to the second surface 800b of the first redistribution layer 800 through the conductive pads 702 and the metal lines 1000. The first surface 800a of the first redistribution layer 800 is electrically connected to the conductive pads 908 of the first surface 900a of the second redistribution layer 900 through the corresponding conductive connection pillar structures 1002, and the first surface The conductive pads 908 of the first surface 900a of the double distribution layer 900 are electrically connected to the metal bumps 602 of the display driving circuit chip 600 and the display driving circuit 604. The second redistribution layer 900 The conductive terminals 910b of the second surface 900b are electrically connected to the substrate or the flexible circuit board of the touch display panel 20.

Please refer to FIG. 4A, which is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a seventh embodiment of the present invention. The integrated capacitive sensing control integrated circuit device 10 disclosed in the present invention is applied to a substrate or a flexible circuit board of a touch display panel 20, and the integrated capacitive sensing control integrated circuit device 10 is mostly the same as FIG. 3A, with the only difference. The point is that the conductive pads 810 of the first surface 800a of the first redistribution layer 800 of the integrated capacitance sensing integrated circuit device 10 and the first surface 900a of the second redistribution layer 900 The conductive pads 908 do not have a plurality of conductive connection pillar structures 1002; rather, there are a plurality of germanium via conductive structures 1004 and metal bumps 602, and the first via conductive structures 1004 provide the first of the first redistribution layers 800. The conductive pads 810 of the surface 800a are electrically connected to the metal bumps 602 of the display driving circuit chip 600.

As shown in FIG. 4A, the touch circuit 704 of the touch circuit chip 700 transmits a touch signal to the second surface 800b of the first redistribution layer 800 through the conductive pads 702 and the metal lines 1000. The first surface 800a of the first redistribution layer 800 is electrically connected to the metal bumps 602 of the display driving circuit chip 600 through the corresponding via conductive structures 1004, and the second redistribution layer 900 The conductive pads 908 of the first surface 900a are electrically connected to the metal bumps 602 of the display driving circuit chip 600. Therefore, the display driving circuit chip 600 passes through the metal bumps 602 and correspondingly The conductive pads 908 of the first surface 900 a of the second redistribution layer 900 transmit the touch signals to the substrate or the flexible circuit board of the touch display panel 20 .

Please refer to FIG. 4B, which is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to an eighth embodiment of the present invention. The integrated capacitive sensing control integrated circuit device 10 disclosed in the present invention is applied to a substrate or a flexible circuit board of a touch display panel 20, and the integrated capacitance sensing control integrated circuit device 10 is mostly the same as FIG. 4A, and the only difference is The point is that the metal conductive contacts of the second surface 900b of the second redistribution layer 900 of the integrated capacitive sensing integrated circuit device 10 are a plurality of conductive terminals 910b.

As shown in FIG. 4B, the touch control circuit 704 of the touch control chip 700 transmits a touch signal to the second surface 800b of the first redistribution layer 800 through the conductive pads 702 and the metal lines 1000. The first redistribution layer 800 is electrically connected to the metal bumps 602 of the display driving circuit chip 600 through the corresponding via conductive structures 1004, and the first surface 900a of the second redistribution layer 900 The conductive pads 908 are electrically connected to the metal bumps 602 of the display driving circuit chip 600. Therefore, the display driving circuit chip 600 passes through the metal bumps 602 and the corresponding second redistribution layer 900. The conductive pads 908 of the first surface 900 a transmit the touch signals to the substrate or the flexible circuit board of the touch display panel 20 .

Please refer to FIG. 5A, which is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a ninth embodiment of the present invention. Integrated capacitive sensing control integrated circuit device 10 disclosed in the present invention The integrated capacitive sensing control integrated circuit device 10 includes a display driving circuit chip 1100 and a touch circuit chip 1200 mounted on the touch display panel 20 . And a redistribution layer 1300. The display driving circuit chip 1100 includes a plurality of metal bumps 1102 and a display driving circuit 1104. The display driving circuit chip 1100 includes a mounting surface 1100a and a bearing surface 1100b opposite to the mounting surface 1100a. The metal bumps 1102 are The touch circuit chip 1200 includes a plurality of conductive pads 1202 and a touch circuit 1204. The touch circuit chip 1200 includes a mounting surface 1200a and a bearing surface 1200b opposite to the mounting surface 1200a. The redistribution layer 1300 has a first surface 1300a and a second surface 1300b. The first surface 1300a is embossed with a plurality of conductive pads 1308 and the second surface 1300b is embossed with a plurality of conductive pads 1310a.

As shown in FIG. 5A, the touch-control circuit wafer 1200 is attached to one surface of the display driving circuit chip 1100 in a back-down manner, that is, the bearing surface 1200b of the touch-control circuit wafer 1200 is attached to the display driving circuit chip. a plurality of metal wires 1000 electrically connected between the conductive pads 1202 of the touch circuit chip 1200 and the conductive pads 1308 of the first surface 1300a of the redistribution layer 1300; the display driving The metal bumps 1102 of the circuit wafer 1100 are electrically connected to the conductive pads 1308 on the first surface 1300a of the redistribution layer 1300; the second surface 1300b of the redistribution layer 1300 is implanted with a plurality of conductive layers. The pad 1310a (shown in FIG. 5A), the gold bump, or the conductive terminal 1310b (shown in FIG. 5B) is electrically connected to the substrate or the flexible circuit board of the touch display panel 20; the conductive terminal is a metal with a low point Solder particles, such as tin solder, silver tin solder or lead tin solder.

The integrated capacitor sensing control integrated circuit device of FIG. 5A can effectively reduce the area occupied by the panel, reduce the difficulty of layout layout of the display panel, reduce internal interference, simplify the procedure and difficulty of redesigning the integrated circuit, and reduce the touch. The overall cost of the panel.

Please refer to FIG. 5B, which is a schematic diagram of an integrated capacitive sensing control integrated circuit device according to a tenth specific embodiment of the present invention. The integrated capacitive sensing control integrated circuit device 10 disclosed in the present invention is applied to a substrate or a flexible circuit board of a touch display panel 20, and the integrated capacitance sensing control integrated body power The circuit device 10 is mostly the same as that of FIG. 5A. The only difference is that the conductive pads 1310a of the second surface 1300b of the redistribution layer 1300 of the integrated capacitance sensing integrated circuit device 10 are a plurality of conductive terminals 1310b.

As shown in FIG. 5B, the touch circuit 1104 of the touch circuit chip 1100 transmits a touch signal to the first surface 1300a of the redistribution layer 1300 through the conductive pads 1202 and the metal lines 1000. The conductive terminals 1310b of the second surface 1300b of the distribution layer 1300 are electrically connected to the substrate or the flexible circuit board of the touch display panel 20, the first surface 1300a of the redistribution layer 1300 and the display driving circuit chip 1100. The metal bumps 1102 are electrically connected to transmit the touch signals to the display driving circuit chip 1100 and the substrate or flexible circuit board of the touch display panel 20 .

Please refer to FIG. 6 , which is a schematic diagram of a display driving circuit and a touch circuit of the integrated capacitive sensing control integrated circuit device according to the present invention.

The display driving circuit 40 includes a display digital timing circuit 42 and a display driving output circuit 44. The display digital sequential circuit 42 includes at least one of the following units: a micro processing unit (MPU), a read only memory (ROM), a random access memory (RAM), a counter, a pixel clock generator, a line sync single generator, a frame sync signal generator (frame sync single) Generator) and a shift register. The display drive output circuit 44 includes at least one of the following units: a data line driver circuit and a gate line driver circuit. The touch control circuit 30 includes a touch front end linear circuit 34 and a touch back end digital circuit 32. The touch front end linear electric circuit 34 includes at least one of the following units: a preamp, an analog/ An A/D converter, a D/A converter, and an analog switch; the touch-end digital circuit 32 includes at least one of the following units: a clock generator ( A clock generator, a micro processing unit (MPU), a read only memory (ROM), a random access memory (RAM), and a counter.

The invention has the advantages of effectively reducing the area occupied by the panel, reducing the difficulty of the layout of the display panel, reducing internal interference, simplifying the procedure and difficulty of redesigning the integrated circuit, and reducing the overall cost of the touch panel.

However, the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the equivalent changes and modifications made by the scope of the present invention should still be covered by the patent of the present invention. The scope of the scope is intended to protect. The invention may be embodied in various other modifications and changes without departing from the spirit and scope of the inventions. It is intended to fall within the scope of the appended claims. In summary, it is known that the present invention has industrial applicability, novelty and advancement, and the structure of the present invention has not been seen in similar products and public use, and fully complies with the requirements of the invention patent application, and is filed according to the patent law.

10‧‧‧Integrated Capacitance Sensing Control Integrated Circuit Device

20‧‧‧Touch display panel

100‧‧‧Display drive circuit chip

100a‧‧‧Display mounting surface of driver circuit chip

100b‧‧‧ display bearing surface of the driver chip

102‧‧‧Metal bumps

104‧‧‧矽Perforated conductive structure

104a‧‧‧First perforated conductive structure

104b‧‧‧Second perforated conductive structure

106‧‧‧Display drive circuit

200‧‧‧Touch circuit chip

200a‧‧‧ mounting surface of touch circuit chip

202‧‧‧Touch circuit

204a‧‧‧Metal bumps

Claims (29)

An integrated capacitive sensing control integrated circuit device includes: a display driving circuit chip; and a touch circuit chip, wherein the display driving circuit chip comprises: a plurality of metal bumps; a plurality of germanium perforated conductive structures; The display driving circuit is electrically connected to at least one of the metal bumps; the touch circuit chip includes: a plurality of metal conductive contacts, and a touch circuit electrically connected to at least one of the metal conductive contacts; The touch-control circuit is mounted on a surface of the display driver circuit in a face-down manner, and the metal conductive contacts and the punctured conductive structures of the display driver circuit and the corresponding metal bumps are electrically connection. The integrated capacitive sensing control integrated circuit device of claim 1, wherein the metal bumps of the display driving circuit chip are electrically connected to a substrate or a flexible circuit board of a touch display panel. The integrated capacitive sensing control integrated circuit device according to claim 1, wherein the display driving circuit further comprises a display digital sequential circuit and a display output driving circuit. The integrated capacitance sensing control integrated circuit device according to claim 1, wherein the metal bumps of the display driving circuit chip are selected from the following metal materials: aluminum, gold, copper, indium, tin, silver, Tungsten, or the aforementioned alloy. The integrated capacitive sensing control integrated circuit device of claim 1, wherein the metal conductive contacts of the touch circuit chip are metal conductive pads or metal bumps. The integrated capacitive sensing control integrated circuit device according to claim 5, wherein the metal conductive pad is selected from the group consisting of aluminum, gold, copper, indium, tin, silver, tungsten, or the foregoing alloy. The integrated capacitance sensing control integrated circuit device according to claim 5, wherein the metal bump is selected from the group consisting of aluminum, gold, copper, indium, tin, silver, tungsten, or an alloy thereof. The integrated capacitive sensing control integrated circuit device of claim 1, wherein the metal conductive contacts of the touch circuit chip are via a plurality of conductive pastes or low melting solder and a plurality of display drive circuit chips. The perforated electrically conductive structure is electrically connected. The integrated capacitive sensing control integrated circuit device according to claim 1, wherein the touch circuit of the touch circuit chip is a self-capacitance touch circuit. The integrated capacitive sensing control integrated circuit device according to claim 1, wherein the touch circuit of the touch circuit chip is a mutual capacitance touch circuit. An integrated capacitive sensing control integrated circuit device comprising: a first integrated circuit chip; and a second integrated circuit chip, wherein the first integrated circuit chip comprises: a plurality of metal bumps; a perforated conductive structure; a display output driving circuit electrically connected to at least one of the metal bumps; and a touch front end linear circuit electrically connected to at least one of the metal bumps, the second integrated circuit chip comprising: a plurality of metal conductive contacts; a display digital sequential circuit electrically connected to the metal conductive connections At least one of the touch points, and a touch back end digital circuit electrically connected to at least one of the metal conductive contacts, the second integrated circuit chip being attached to the first integrated circuit chip in a face down manner The second integrated circuit chip is electrically connected to the first integrated circuit wafer via the metal conductive contacts and the plurality of via conductive structures of the first integrated circuit chip. The integrated capacitive sensing control integrated circuit device of claim 11, wherein the metal bumps of the first integrated circuit chip are electrically connected to a substrate or a flexible circuit board of a touch display panel. The integrated capacitance sensing control integrated circuit device according to claim 11, wherein the metal bumps of the first integrated circuit chip are selected from the following metal materials: aluminum, gold, copper, indium, tin, Silver, tungsten, or the aforementioned alloy. The integrated capacitive sensing control integrated circuit device of claim 11, wherein the metal conductive contacts of the second integrated circuit chip are metal conductive pads or metal bumps. The integrated capacitance sensing control integrated circuit device according to claim 14, wherein the metal conductive pads are selected from the following metal materials: aluminum, gold, copper, indium, tin, silver, tungsten, or the alloys described above. . The integrated capacitance sensing control integrated circuit device according to claim 14, wherein the metal bumps are selected from the following metal materials: aluminum, gold, copper, indium, tin, silver, tungsten, or alloys thereof. . The integrated capacitive sensing control integrated circuit device according to claim 11, wherein the metal conductive contacts of the second integrated circuit chip are via a phase difference conductive paste or a low melting point solder and the first integrated circuit A plurality of turns of the wafer are electrically connected. The integrated capacitive sensing control integrated circuit device according to claim 11, wherein the touch front end linear circuit of the first integrated circuit chip is a self-capacitance touch circuit. The integrated capacitive sensing control integrated circuit device according to claim 11, wherein the touch front end linear circuit of the first integrated circuit chip is a mutual capacitance touch circuit. An integrated capacitive sensing control integrated circuit device includes: a display driving circuit chip; and a touch circuit chip, wherein the display driving circuit chip comprises: a plurality of metal bumps; and a display driving circuit electrically connected to At least one of the metal bumps; the touch circuit chip includes: a plurality of conductive pads; a touch circuit electrically connected to at least one of the conductive pads; and a first redistribution layer disposed on the touch Between the circuit chip and the display driver circuit, there is a first surface and a second surface; the first surface and the second surface each have a plurality of conductive pads; and a second redistribution layer has a first a surface and a second surface; the first surface has a plurality of conductive pads, The display driving circuit chip is bonded to the first surface of the second redistribution layer in a face-down manner; the conductive pads of the touch circuit chip and the first surface of the first redistribution layer A plurality of metal wires are connected to each other between the conductive pads. The integrated capacitive sensing control integrated circuit device of claim 20, wherein the conductive pads of the second surface of the first redistribution layer are opposite to the first surface of the second redistribution layer A plurality of conductive connecting post structures are disposed between the conductive pads. The integrated capacitive sensing control integrated circuit device according to claim 20, wherein the display driving circuit chip comprises a plurality of 矽perforated conductive structures, such that the plurality of metal bumps and the opposite first redistribution layer The conductive pads of the second surface are electrically connected. The integrated capacitive sensing control integrated circuit device of claim 20, wherein the metal bumps of the display driving circuit wafer and the conductive pads are opposite to the first surface of the second redistribution layer Electrical connection. The integrated capacitance sensing control integrated circuit device according to claim 20, wherein the second surface of the second redistribution layer is provided with a plurality of conductive pads, gold bumps, or conductive terminals and one touch The substrate of the control panel or the flexible circuit board is electrically connected. The integrated capacitance sensing control integrated circuit device according to claim 24, wherein the conductive terminals are low-pitched metal solder particles. An integrated capacitive sensing control integrated circuit device includes: a display driving circuit chip; and a touch circuit chip, wherein the display driving circuit chip comprises: a plurality of metal bumps; a display driving circuit electrically connected to at least one of the metal bumps; the touch circuit chip includes: a plurality of conductive pads; a touch circuit electrically connected to at least one of the conductive pads; and a redistribution layer Having a first surface and a second surface, the first surface is provided with a plurality of conductive pads, and the display driving circuit chip is bonded to the first surface of the redistribution layer in a face-down manner; the touch circuit A plurality of metal wires are interconnected between the conductive pads of the wafer and the conductive pads of the first surface portion of the redistribution layer. The integrated capacitance sensing control integrated circuit device of claim 26, wherein the metal bumps of the display driving circuit wafer are electrically opposite to the conductive pads on the first surface of the redistribution layer. connection. The integrated capacitive sensing control integrated circuit device of claim 26, wherein the second surface of the redistribution layer is provided with a plurality of conductive pads, gold bumps, or conductive terminals and a touch display panel The substrate or flexible circuit board is electrically connected. The integrated capacitance sensing control integrated circuit device according to claim 28, wherein the conductive terminals are low-pitched metal solder particles.