CN104820519A - Touch display panel and touch display device - Google Patents

Touch display panel and touch display device Download PDF

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Publication number
CN104820519A
CN104820519A CN201510232668.3A CN201510232668A CN104820519A CN 104820519 A CN104820519 A CN 104820519A CN 201510232668 A CN201510232668 A CN 201510232668A CN 104820519 A CN104820519 A CN 104820519A
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China
Prior art keywords
touch
substrate
step district
display panel
connecting portion
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Granted
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CN201510232668.3A
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Chinese (zh)
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CN104820519B (en
Inventor
项俊龙
吴常志
杨康鹏
许育民
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Tianma Microelectronics Co Ltd
Xiamen Tianma Microelectronics Co Ltd
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Tianma Microelectronics Co Ltd
Xiamen Tianma Microelectronics Co Ltd
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Priority to CN201510232668.3A priority Critical patent/CN104820519B/en
Publication of CN104820519A publication Critical patent/CN104820519A/en
Application granted granted Critical
Publication of CN104820519B publication Critical patent/CN104820519B/en
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Abstract

The invention discloses a touch display panel and a touch display device. The touch display panel comprises a first base plate and a second base plate. The first base plate comprises a first display area and a first step area. The first step area is an area extending outwards from the first display area in the plane in which the first base plate is. The second base plate is arranged opposite to the first base plate. The second base plate comprises a second display area and a second step area. The second step area is an area extending outwards from the second display area in the plane in which the second base plate is. The first display area is opposite to the second display area. At least a part of the first step area and a part of the second step area are in staggered arrangement. Through adoption of the touch display panel, the technical problem that the first step area and the second step area block each other in binding of a chip and a flexible printed circuit board is solved, so that the binding of the chip and the flexible printed circuit board is convenient, the production efficiency is improved, and the production difficulty is lowered.

Description

Touch-control display panel and touch display unit
Technical field
The present invention relates to technical field of touch-control display, particularly relate to a kind of touch-control display panel and touch display unit.
Background technology
Current, in display panel field, display panel with touch controllable function has more and more become main flow display product, there is the integration mode of various display panel and contact panel, be of a great variety, such as embedded (incell), the outer formula (oncell) of box and external hanging type.On the other hand, if classify from principle of work, the display panel of band touch controllable function can be roughly divided into condenser type, resistance-type, infrared type etc. again.Wherein, capacitance type touch control display panel mainly comprises self-capacitance and mutual capacitance type two type.The all each have their own Pros and Cons of touch-control display panel of every type.The electrode being used for touch-control is arranged on the inside of display panel outermost layer substrate by touch-control display panel based on self-capacitance usually, and thus, the touch-control display panel integral thickness of self-capacitance is less, more frivolous.
Figure 1 shows that the touch display panel structure schematic diagram of prior art.The touch-control display panel 10 of prior art is followed successively by color membrane substrates 11 along printing opacity X-direction, touch-control sensing unit 14, liquid crystal layer 13 and thin-film transistor array base-plate 12, described color membrane substrates 11 extends outward first step district, thin-film transistor array base-plate 12 extends outward the second step district relative with described first step district, sensor chip 15 be arranged at first step district and with touch-control sensing unit 14, first flexible PCB 17 is bound to first step district and is electrically connected with sensor chip 15, driving chip 16 is arranged at second step district and is connected with pixel cell (not shown), second flexible PCB 18 is bound to second step district and is electrically connected with driving chip 16, utilize the sensing signal being arranged at the first flexible printed circuit board 17 on color membrane substrates 11 and producing when the touch-control to transmit touch-control sensing unit 14.The second flexible printed circuit board 18 that utilization is arranged on thin-film transistor array base-plate 12 and driving chip 16 provide drive voltage signal.
If existing touch-control display panel is simultaneously at the first step district of color membrane substrates binding sensor chip and the first flexible PCB, and at the second step district of thin-film transistor array base-plate binding driving chip and the second flexible PCB, structurally can cause conflict, and be difficult to realize in technique.
Summary of the invention
The embodiment of the present invention provides a kind of touch-control display panel and touch display unit, and there is conflict in order to solve existing In-cell touch display panel structure when binding sensor chip, driving chip and flexible PCB, technique is difficult to the technical matters realized.
The embodiment of the present invention is by the following technical solutions:
First aspect, the technical program provides a kind of touch-control display panel, comprising:
First substrate, comprises the first viewing area and first step district, described first step district in the plane residing for described first substrate from described first outward extending region, viewing area;
Second substrate, is oppositely arranged with described first substrate, and described second substrate comprises the second viewing area and second step district, described second step district in the plane residing for described second substrate from described second outward extending region, viewing area;
Wherein, described first viewing area and described second viewing area are just to setting, stagger setting at least partly in described first step district and described second step district.
Its further technical scheme is, described first step district and described second step district be rectangle, square, trapezoidal, fan-shaped and irregularly shaped in one or combination in any.
Its further technical scheme is, the described first step district side adjacent or overlapping with described second step district is circular arc.
Its further technical scheme is, described first substrate is color membrane substrates, and described second substrate is thin-film transistor array base-plate.
Its further technical scheme is also comprise:
Multiple public electrode block, is arranged at described first viewing area near the surface of described second substrate, and described public electrode block is multiplexing does touch control electrode;
Pixel cell, is arranged at described second viewing area near the surface of described first substrate, comprises data line, gate line, transistor switch and pixel electrode.
Its further technical scheme is also comprise:
Flexible PCB, comprises first end and the second end; Described first end comprises the first connecting portion and the second connecting portion; Described first connecting portion is arranged at the surface of the contiguous described second substrate in described first step district, and is electrically connected with described public electrode block; Described second connecting portion is arranged at the surface of the contiguous described first substrate in described second step district.
Its further technical scheme is also comprise:
Drive integrated chip, be arranged at the surface of the contiguous described first substrate in described second step district, described driving integrated chip is connected between the second connecting portion of described pixel cell and described flexible PCB, for providing display drive signals to described pixel cell; Described driving integrated chip provides touch sense signals by the first connecting portion of described flexible PCB to described public electrode block.
Its further technical scheme is also comprise:
Sensor chip, be arranged at the surface of the contiguous described second substrate in described first step district, described sensor chip is connected between the first connecting portion of described public electrode block and described flexible PCB, for providing touch sense signals to described public electrode block;
Driving chip, be arranged at the surface of the contiguous described first substrate in described second step district, described driving chip is connected between the second connecting portion of described pixel cell and described flexible PCB, for providing display drive signals to described pixel cell.
Its further technical scheme is also comprise:
Sensor chip, be arranged at the surface of the contiguous described first substrate in described second step district, described sensor chip is connected with the second connecting portion of described flexible PCB, for providing touch sense signals by described second connecting portion and the first connecting portion to described public electrode block;
Driving chip, be arranged at the surface of the contiguous described first substrate in described second step district, described driving chip is connected between the second connecting portion of described pixel cell and described flexible PCB, for providing display drive signals to described pixel cell.
Second aspect, a kind of touch display unit, is characterized in that, comprises the touch-control display panel described in above-mentioned any one.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought:
In the technical program, by arranging first step district at the first substrate of touch-control display panel, the second step district of staggering with first step district part is set at second substrate, solve when binding chip and flexible PCB are distinguished by first step district and second step district, the technical matters that first step district and second step district block mutually, facilitate the binding of chip and flexible PCB, improve production efficiency, reduce production difficulty.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing the embodiment of the present invention is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the embodiment of the present invention and these accompanying drawings.
Fig. 1 is the touch display panel structure schematic diagram of prior art.
Fig. 2 is the touch-control display panel decomposition texture schematic diagram of the embodiment of the present invention.
Fig. 3 is the structural representation of first substrate shown in Fig. 2 and second substrate laminating.
Fig. 4 is the structural representation of the another kind of touch-control display panel of the embodiment of the present invention.
Fig. 5 is a kind of touch-control display panel concrete structure schematic diagram of the embodiment of the present invention.
Fig. 6 is the another kind of touch-control display panel concrete structure schematic diagram of the embodiment of the present invention.
Fig. 7 is another touch-control display panel concrete structure schematic diagram of the embodiment of the present invention.
Fig. 8 is the structural representation of the touch display unit of the embodiment of the present invention.
Embodiment
The technical matters solved for making the present invention, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of touch-control display panel.Fig. 2 is the touch-control display panel decomposition texture schematic diagram of the embodiment of the present invention.Fig. 3 is the structural representation of first substrate shown in Fig. 2 and second substrate laminating.As shown in Figures 2 and 3, this touch-control display panel comprises first substrate 21 and second substrate 22; Described first substrate 21 comprises the first viewing area 210 and first step district 211, described first step district 211 in the plane residing for described first substrate 21 from described first outward extending region, viewing area 210; Described second substrate 22 is oppositely arranged with described first substrate 21, described second substrate 22 comprises the second viewing area 220 and second step district 221, described second step district 221 in the plane residing for described second substrate 22 from described second outward extending region, viewing area 220; Wherein, described first viewing area 210 is with described second viewing area 220 just to setting, staggers setting at least partly in described first step district 211 and described second step district 221.
The touch-control display panel that the embodiment of the present invention provides is by arranging first step district 211 at first substrate 21, the second step district 221 of staggering with first step district 211 part is set at second substrate 22, solve when binding chip and flexible PCB are distinguished by first step district 211 and second step district 221, the technical matters that first step district 211 and second step district 221 block mutually, facilitate the binding of chip and flexible PCB, reduce production difficulty.
Particularly, described first step district 211 and described second step district 221 be rectangle, square, trapezoidal, fan-shaped and irregularly shaped in one or combination in any, in the present embodiment, shown in composition graphs 2, first step district 211 and described second step district 221 are rectangle.But cut into rectangular perpendicular type cutting structure difficulty comparatively large in technique, therefore, there is certain radian when cutting in first step district 211 and described second step district 221.
Fig. 4 is the structural representation of the another kind of touch-control display panel of the embodiment of the present invention.The touch-control display panel that the present embodiment provides is different from the touch-control display panel shown in Fig. 2 to be pointed out to be, described first step district 211 side adjacent or overlapping with described second step district 221 is circular arc.Shown in composition graphs 4, the first side 212 in described first step district 211 is circular arc with the first side 222 in described second step district 221.Cutting when cutting with certain radian more easily realizes, and structure is more stable.The large I of circular arc radian adjusts with process requirements according to the actual requirements.
Fig. 5 is a kind of touch-control display panel concrete structure schematic diagram of the embodiment of the present invention.Shown in figure 5, described first substrate 21 is color membrane substrates, and described second substrate 22 is thin-film transistor array base-plate.Multiple public electrode block 23 is arranged at described first viewing area 210 near the surface of described second substrate 22, and public electrode block 23 is multiplexed with touch control electrode; Pixel cell 24 is arranged at described second viewing area 220 near the surface of described first substrate 21, comprise data line, gate line, transistor switch and pixel electrode, described data line, gate line, transistor switch and pixel electrode (not shown).In the display stage, to public electrode block 23 outputting common voltage signal, make public electrode block 23 and pixel cell 24 produce the rotation of mutual electric field controls liquid crystal layer (not shown), realize the Presentation Function of touch-control display panel; In the touch-control stage, export touching signals to public electrode block 23, public electrode block 23 and ground generate self-capacitance, judge whether to there is touch-control, realize the touch controllable function of touch-control display panel by the change detecting this self-capacitance.
Flexible PCB 25 comprises first end 25a; Described first end 25a comprises the first connecting portion 250 and the second connecting portion 251; Described first connecting portion 250 is arranged at the surface of the contiguous described second substrate 22 in described first step district 211, and is electrically connected with described public electrode block 23; Described second connecting portion 251 is arranged at the surface of the contiguous described first substrate 21 in described second step district 221.Wherein, the mode that the first connecting portion 250 and public electrode block 23 are electrically connected is specially: the circuit of the first connecting portion 250 is first connected on the circuit of first substrate 21, then is connected with the circuit of public electrode block 23 by the circuit on first substrate 21; Or the first connecting portion 250 is directly connected with the circuit of public electrode block 23.This flexible PCB 25 is the second end 25b with described first end 25a opposite side, this the second end 25b comprises the 3rd connecting portion 252,3rd connecting portion 252 is electrically connected to a signal processing system (not shown), signal processing system is for the treatment of various application data and signal, no longer describe in detail, particular content please refers to related data herein.Line between public electrode block 23 and the first connecting portion 250 has etched by primary conductive layer, simplifies manufacturing process.Be only instantiation, not as the restriction to the technical program, those skilled in the art can adjust the mode of electric connection according to the actual requirements herein.
In the present embodiment, integrated chip 27a is driven to be arranged at the medial surface of the contiguous described first substrate 21 in described second step district 221, between the second connecting portion 251 being connected to described pixel cell 24 and described flexible PCB 25, for providing display drive signals to described pixel cell 24; Described driving integrated chip 27a provides touch sense signals by the first connecting portion 250 of described flexible PCB 25 to described public electrode block 23.Particularly, the second connecting portion 251 is connected to second step district 221, then is electrically connected by circuit and public electrode block 23.Integrated chip 27a is driven to be the driving integrated chip 27a with sensing function, in the display stage, for pixel cell 24 provides drive singal; In the touch-control stage, by the second connecting portion 251 and the first connecting portion 250 for public electrode block 23 provides touch sense signals.Drive the size of integrated chip 27a, number and distributing position to be only individual instances, those skilled in the art can adjust according to the actual requirements.
The touch-control display panel that the present embodiment provides is by binding the first connecting portion 250 of flexible PCB 25 in the first step district 211 of setting of staggering, the second connecting portion 251 driving integrated chip 27a and flexible PCB 25 is bound in second step district 221, solve the technical matters that first step district 211 and second step district 221 block mutually, facilitate the binding of chip and flexible PCB, reduce production difficulty.Further, circuit is integrated on a flexible PCB 25, reduces production cost.
Fig. 6 is the another kind of touch-control display panel concrete structure schematic diagram of the embodiment of the present invention.Touch-control display panel shown in the touch-control display panel that the present embodiment provides and Fig. 5 is distinguished and is, shown in figure 6, sensor chip 28 and driving chip 27b are independent chip, sensor chip 28 is arranged at the surface of the contiguous described second substrate 22 in described first step district 211, described sensor chip 28 is connected between the first connecting portion 250 of described public electrode block 23 and described flexible PCB 25, for providing touch sense signals to described public electrode block 23; Driving chip 27b is arranged at the surface of the contiguous described first substrate 21 in described second step district 221, described driving chip 27b is connected between the second connecting portion 251 of described pixel cell 24 and described flexible PCB 25, for providing display drive signals to described pixel cell 24.The size of sensor chip 28 and driving chip 27b, number and distributing position are only individual instances, and those skilled in the art can adjust according to the actual requirements.
Fig. 7 is another touch-control display panel concrete structure schematic diagram of the embodiment of the present invention.Touch-control display panel shown in the touch-control display panel that the present embodiment provides and Fig. 5 is distinguished and is, shown in figure 7, sensor chip 28 is arranged at the surface of the contiguous described first substrate 21 in described second step district 221, described sensor chip 28 is connected with the second connecting portion 251 of described flexible PCB 25, for providing touch sense signals by described second connecting portion 251 and the first connecting portion 250 to described public electrode block 23; Driving chip 27b is arranged at the surface of the contiguous described first substrate 21 in described second step district 221, described driving chip 27 is connected between the second connecting portion 251 of described pixel cell 24 and described flexible PCB 25, for providing display drive signals to described pixel cell 24.In the present embodiment, driving chip 27b and sensor chip 28 are all located at second step district 221, bind, be of value to and enhance productivity during making in technique.Herein only as instantiation, not as the restriction to the technical program.
Fig. 8 is the structural representation of the touch display unit of the embodiment of the present invention.Shown in figure 8, this touch display unit 1 comprises the touch-control display panel 20 as described in above-mentioned any one.This touch display unit 1 is smart mobile phone or computer.
The touch display unit that the embodiment of the present invention provides, by arranging the stepped region of staggering at color membrane substrates and thin-film transistor array base-plate, solve the technical matters that color membrane substrates stepped region and thin-film transistor array base-plate stepped region are blocked mutually when binding flexible PCB and chip, facilitate the binding of chip and flexible PCB, improve production efficiency, reduce production difficulty.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.

Claims (10)

1. a touch-control display panel, is characterized in that, comprising:
First substrate, comprises the first viewing area and first step district, described first step district in the plane residing for described first substrate from described first outward extending region, viewing area;
Second substrate, is oppositely arranged with described first substrate, and described second substrate comprises the second viewing area and second step district, described second step district in the plane residing for described second substrate from described second outward extending region, viewing area;
Wherein, described first viewing area and described second viewing area are just to setting, stagger setting at least partly in described first step district and described second step district.
2. touch-control display panel according to claim 1, is characterized in that, described first step district and described second step district be rectangle, square, trapezoidal, fan-shaped and irregularly shaped in one or combination in any.
3. touch-control display panel according to claim 2, is characterized in that, the described first step district side adjacent or overlapping with described second step district is circular arc.
4. touch-control display panel according to claim 1, is characterized in that, described first substrate is color membrane substrates, and described second substrate is thin-film transistor array base-plate.
5. touch-control display panel according to claim 4, is characterized in that, also comprises:
Multiple public electrode block, is arranged at described first viewing area near the surface of described second substrate, and described public electrode block is multiplexing does touch control electrode;
Pixel cell, is arranged at described second viewing area near the surface of described first substrate, comprises data line, gate line, transistor switch and pixel electrode.
6. touch-control display panel according to claim 5, is characterized in that, also comprises:
Flexible PCB, comprises first end and the second end; Described first end comprises the first connecting portion and the second connecting portion; Described first connecting portion is arranged at the surface of the contiguous described second substrate in described first step district, and is electrically connected with described public electrode block; Described second connecting portion is arranged at the surface of the contiguous described first substrate in described second step district.
7. touch-control display panel according to claim 6, is characterized in that, also comprises:
Drive integrated chip, be arranged at the surface of the contiguous described first substrate in described second step district, described driving integrated chip is connected between the second connecting portion of described pixel cell and described flexible PCB, for providing display drive signals to described pixel cell; Described driving integrated chip provides touch sense signals by the first connecting portion of described flexible PCB to described public electrode block.
8. touch-control display panel according to claim 6, is characterized in that, also comprises:
Sensor chip, be arranged at the surface of the contiguous described second substrate in described first step district, described sensor chip is connected between the first connecting portion of described public electrode block and described flexible PCB, for providing touch sense signals to described public electrode block;
Driving chip, be arranged at the surface of the contiguous described first substrate in described second step district, described driving chip is connected between the second connecting portion of described pixel cell and described flexible PCB, for providing display drive signals to described pixel cell.
9. touch-control display panel according to claim 6, is characterized in that, also comprises:
Sensor chip, be arranged at the surface of the contiguous described first substrate in described second step district, described sensor chip is connected with the second connecting portion of described flexible PCB, for providing touch sense signals by described second connecting portion and the first connecting portion to described public electrode block;
Driving chip, be arranged at the surface of the contiguous described first substrate in described second step district, described driving chip is connected between the second connecting portion of described pixel cell and described flexible PCB, for providing display drive signals to described pixel cell.
10. a touch display unit, is characterized in that, comprises the touch-control display panel as described in any one of claim 1 to 9.
CN201510232668.3A 2015-05-08 2015-05-08 Touch-control display panel and touch display unit Active CN104820519B (en)

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CN106547401A (en) * 2016-10-25 2017-03-29 南昌欧菲显示科技有限公司 touch device and manufacturing method
CN107703663A (en) * 2017-09-26 2018-02-16 张家港康得新光电材料有限公司 The changeable panels of 2D/3D and display device
JP2018049227A (en) * 2016-09-23 2018-03-29 株式会社半導体エネルギー研究所 Display device and electronic apparatus
CN108920013A (en) * 2018-08-09 2018-11-30 南京中电熊猫平板显示科技有限公司 A kind of array substrate and touch-control display panel
CN109116643A (en) * 2018-09-10 2019-01-01 武汉天马微电子有限公司 A kind of display panel and display device
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CN110554542A (en) * 2018-05-30 2019-12-10 乐金显示有限公司 Light control apparatus and transparent display device including the same
CN111081151A (en) * 2020-01-08 2020-04-28 深圳市华星光电半导体显示技术有限公司 Display panel
CN111435951A (en) * 2019-01-11 2020-07-21 北京小米移动软件有限公司 Camera driving device and mobile terminal
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CN105975131A (en) * 2016-05-03 2016-09-28 信利光电股份有限公司 Electronic device, touch display module and manufacturing method thereof
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CN110109570A (en) * 2019-05-09 2019-08-09 上海摩软通讯技术有限公司 A kind of touch-control display module and the assemble method for showing touch module
CN110109570B (en) * 2019-05-09 2022-04-01 上海摩软通讯技术有限公司 Touch display module and assembling method of display touch module
WO2021016944A1 (en) * 2019-07-31 2021-02-04 京东方科技集团股份有限公司 Touch display device, manufacturing method for touch display device, and terminal
CN112912827A (en) * 2019-07-31 2021-06-04 京东方科技集团股份有限公司 Touch display device, manufacturing method of touch display device and terminal
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CN112912827B (en) * 2019-07-31 2024-02-02 京东方科技集团股份有限公司 Touch display device, manufacturing method of touch display device and terminal
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