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CN102236187A - touch display panel - Google Patents

touch display panel Download PDF

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Publication number
CN102236187A
CN102236187A CN2010101541868A CN201010154186A CN102236187A CN 102236187 A CN102236187 A CN 102236187A CN 2010101541868 A CN2010101541868 A CN 2010101541868A CN 201010154186 A CN201010154186 A CN 201010154186A CN 102236187 A CN102236187 A CN 102236187A
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China
Prior art keywords
touch
display panel
substrate
touch sensing
panel according
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Granted
Application number
CN2010101541868A
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Chinese (zh)
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CN102236187B (en
Inventor
王伯贤
赖志章
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Dongguan Wanshida LCD Co Ltd
Wintek Corp
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Dongguan Wanshida LCD Co Ltd
Wintek Corp
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Application filed by Dongguan Wanshida LCD Co Ltd, Wintek Corp filed Critical Dongguan Wanshida LCD Co Ltd
Priority to CN201010154186.8A priority Critical patent/CN102236187B/en
Publication of CN102236187A publication Critical patent/CN102236187A/en
Application granted granted Critical
Publication of CN102236187B publication Critical patent/CN102236187B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention provides a touch display panel, which comprises a covering sheet, a plurality of touch sensing electrodes and a display panel. The touch sensing electrodes are disposed on the surface of the cover sheet. The display panel is attached to the covering sheet through an adhesive layer and comprises a substrate, a plurality of scanning lines, an opposite substrate parallel to the substrate and a display medium layer positioned between the substrate and the opposite substrate. The touch sensing electrode is located between the covering sheet and the substrate. The scanning lines are arranged on the surface of the substrate, which is different from the surface where the touch sensing electrodes are arranged, and a sensing capacitor is formed between the touch sensing electrodes and the scanning lines.

Description

Touch-control display panel
Technical field
The present invention relates to a kind of touch-control display panel, and be particularly related to a kind of simple in structure and easy touch-control display panel of processing procedure.
Background technology
In general, contact panel can be divided into electric resistance touch-control panel, capacitance type touch-control panel, optical touch control panel, sound wave type contact panel etc.Present product trend is for to be integrated in contact panel in the display panel, to form touch-control display panel.With modal electric resistance touch-control panel and capacitance type touch-control panel, the design of contact panel is to scan action with sensing with two-layer electrode layer.Therefore, contact panel will be integrated in the display panel, must additionally make two-layer at least electrode layer on display panel, and make processing procedure complicated.
In addition, display panel generally is made up of two substrates.The two-layer electrode layer that carries out touch-control must be made near on user's the substrate so that good touch-control sensing character to be provided.Yet such design increases the thickness of display panel, and must additionally provide circuit board to be connected to driving circuit with the electrode layer that will carry out touch-control.Thus, make that the processing procedure of touch-control display panel is more complicated.
Summary of the invention
The invention provides a kind of touch-control display panel, it has simple structure and easy processing procedure.
The present invention proposes a kind of touch-control display panel, comprises an emulsion sheet, many touch-control sensing electrodes and a display panel.Many touch-control sensing electrodes are disposed at the surface of emulsion sheet.Display panel attaches by an adhesive coating and emulsion sheet, and comprises that a substrate, multi-strip scanning line, are parallel to the subtend substrate and a display dielectric layer of substrate.Wherein, the touch-control sensing electrode is between emulsion sheet and substrate.Sweep trace is disposed at the one side that differs from touch-control sensing electrode place of substrate, and constitutes a sense capacitance between touch-control sensing electrode and the sweep trace.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Figure 1A is the diagrammatic cross-section of the touch-control display panel of the first embodiment of the present invention;
Figure 1B is the touch-control sensing electrode of Figure 1A and the schematic top plan view of pel array;
Fig. 2 A is the diagrammatic cross-section of the touch-control display panel of the second embodiment of the present invention;
Fig. 2 B is the touch-control sensing electrode of Fig. 2 A and the schematic top plan view of sweep trace;
Fig. 2 C is the schematic top plan view of the subtend substrate of Fig. 2 A;
Fig. 3 is the schematic top plan view of another kind of sweep trace of the touch-control display panel of the second embodiment of the present invention;
Fig. 4 is the schematic top plan view of another sweep trace of the touch-control display panel of the second embodiment of the present invention;
Fig. 5 is the schematic top plan view of touch-control sensing electrode of the touch-control display panel of one embodiment of the invention;
Fig. 6 is the schematic top plan view of touch-control sensing electrode of the touch-control display panel of another embodiment of the present invention.
Main element symbol description in the accompanying drawing:
100,200-touch-control display panel; 110,210-emulsion sheet;
120,220,320,420-touch-control sensing electrode; 122,222-gap;
128,228-adhesive coating; 130,230-display panel;
140,240 substrates; 150,250-subtend substrate;
141,252-pel array;
142,242,242a, 242b, 342,442-sweep trace;
144,256,344,444-data line; 146,258-dot structure;
The 152-light-shielding pattern; 154,244-color filter patterns;
160,260-display dielectric layer; 162, the last polaroid of 262-;
164, polaroid under the 264-; 170,270-conductor object;
The 254-gate line; The 266-electric-conductor;
The 320A-opening; The 424-dummy electrodes;
The C-sense capacitance;
D 242, D 242a, D 242b, D 254-bearing of trend.
Embodiment
[first embodiment]
Figure 1A is the diagrammatic cross-section of the touch-control display panel of the first embodiment of the present invention, and Figure 1B is the touch-control sensing electrode of Figure 1A and the schematic top plan view of pel array.Please be simultaneously with reference to Figure 1A and Figure 1B, touch-control display panel 100 comprises an emulsion sheet 110, many touch-control sensing electrodes 120, an adhesive coating 128 and display panels 130 in regular turn.
Display panel 130 comprises a substrate 140, a subtend substrate 150 and a display dielectric layer 160, and wherein subtend substrate 150 is parallel with substrate 140.Display dielectric layer 160 is between substrate 140 and subtend substrate 150, and substrate 140 is image element array substrates, disposes pel array 141 on it.Pel array 141 comprises multi-strip scanning line 142, many data lines 144 and a plurality of dot structure 146.Each dot structure 146 electrically connects wherein a sweep trace 142 and data line 144 wherein, and sweep trace 142 is not parallel to data line 144.Wherein, data line 144 is disposed at the one side that differs from touch-control sensing electrode 120 places of substrate 140, i.e. data line 144 and 120 not homonymies at substrate 140 of touch-control sensing electrode.
In the present embodiment, when pel array 141 begins to move, sweep trace 142 can scan step by step so that the signal in the data line 144 transfers to corresponding dot structure 146, at this moment, the sweep signal of sweep trace 142 is also as the sweep signal of touch-control sensing, directly with the gate line in the display panel 130 as sweep trace 142, therefore the touch-control display panel 100 of present embodiment need not for touch controllable function touch-control scanning related elements to be set additionally, be to constitute a sense capacitance C between touch-control sensing electrode 120 and the sweep trace 142, and when a conductor object 170 during near emulsion sheet 110, with the position of the change calculations conductor object 170 of sense capacitance C, and the finger that conductor object 170 can the person of being to use, metal, conductive pointer etc.
Please refer to Figure 1A, furthermore, in the present embodiment, touch-control display panel 100 is the display effect that can reach colouring, so touch-control display panel 100 also comprises light-shielding pattern 152 and color filter patterns 154.Light-shielding pattern 152 is disposed at subtend substrate 150 with color filter patterns 154, and subtend substrate 150 is a transparency carrier.Certainly, in other embodiment, light-shielding pattern 152 also can be disposed at substrate 140 with color filter patterns 154, or touch-control display panel 100 does not comprise light-shielding pattern 152 and color filter patterns 154.Display dielectric layer 160 can be liquid crystal material, electric pulp material, organic light emitting display material (OLED) or electrophoresis material.When display dielectric layer 160 was liquid crystal material, the outside of display panel 130 was pasted with polaroid 162 and following polaroid 164.Wherein, last polaroid 162 is disposed at the outside surface of substrate 140, and following polaroid 164 is disposed at the outside surface of subtend substrate 150.
Please refer to Figure 1B, in the present embodiment, each touch-control sensing electrode 120 is electrode patterns of strip and crosses these sweep traces 142, and the gap 122 between adjacent two touch-control sensing electrodes 120 be positioned at data line 144 directly over.Wherein, touch-control sensing electrode 120 is materials such as indium tin oxide, indium sb oxide or indium-zinc oxide.Emulsion sheet 110 is to cover eyeglass (cover lens), so the user can watch picture by a side at emulsion sheet 110 places.
Present embodiment is disposed at emulsion sheet 110 with touch-control sensing electrode 120, and directly utilizes gate line in the display panel 130 as sweep trace 142.That is to say, showing outside the required element that touch-control display panel 100 only needs that additional configuration one deck electrode layer just can be with the function of touch-control and demonstration to constitute touch-control sensing electrode 120 on emulsion sheet 110.Therefore, touch-control display panel 100 can reach the design requirement of slimming, and touch-control display panel 100 has easy processing procedure and simple structure.Moreover because directly with the sweep signal of the gate line sweep signal as touch-control sensing, so touch-control display panel 100 can be located touch point more exactly and be carried out the change of display frame.In addition, because touch-control sensing electrode 120 is to be configured in emulsion sheet 110, therefore touch-control sensing electrode 120 more can not be subjected to the interference of other leads in the display panel 130, and have certain distance between touch-control sensing electrode 120 and the sweep trace 142, so touch-control display panel 100 has preferable sensing sensitivity.
[second embodiment]
Fig. 2 A is the diagrammatic cross-section of the touch-control display panel of the second embodiment of the present invention, and Fig. 2 B is the touch-control sensing electrode of Fig. 2 A and the schematic top plan view of sweep trace.Please be simultaneously with reference to Fig. 2 A and Fig. 2 B, touch-control display panel 200 comprises an emulsion sheet 210, many touch-control sensing electrodes 220, an adhesive coating 228 and display panels 230 in regular turn.
Display panel 230 comprises a substrate 240, multi-strip scanning line 242, a subtend substrate 250 and a display dielectric layer 260, and wherein subtend substrate 250 is parallel with substrate 240.Touch-control sensing electrode 220 is between emulsion sheet 210 and substrate 240.Sweep trace 242 is disposed at substrate 240, and display dielectric layer 260 is between substrate 240 and subtend substrate 250.Wherein, constitute a sense capacitance C between touch-control sensing electrode 220 and the sweep trace 242, when a conductor object 270 during, with the position of the change calculations conductor object 270 of sense capacitance C near emulsion sheet 210.
Fig. 2 C is the schematic top plan view of the subtend substrate of Fig. 2 A.Please be simultaneously with reference to Fig. 2 B and Fig. 2 C, in the present embodiment, multi-strip scanning line 242 is a plurality of light-shielding patterns separated from one another, and multi-strip scanning line 242 constitutes a netted light-shielding structure.
In the present embodiment, touch-control display panel 200 comprises a plurality of color filter patterns 244, is disposed in the netted light-shielding structure that is made of sweep trace 242.The shape of sweep trace 242 is pectinations, and its material comprises chromium, chromium oxide or resin.Substrate 240 is transparency carriers such as glass substrate, and emulsion sheet 210 is to cover eyeglass.
Touch-control display panel 200 comprises a pel array 252, and pel array 252 is disposed at subtend substrate 250, and pel array 252 comprises many gate lines 254, many data lines 256 and a plurality of dot structure 258.Each dot structure 258 an electric connection wherein gate line 254 reach wherein data line 256, and data line 256 is not parallel to gate line 254.The bearing of trend D of gate line 254 254The bearing of trend D that is parallel to sweep trace 242 242
Touch-control display panel 200 also comprises an electric-conductor 266, and sweep trace 242 is connected to wherein gate line 254 of pel array 252 by electric-conductor 266.Electric-conductor 266 is conductive spacers, and it is disposed between substrate 240 and the subtend substrate 250, to connect sweep trace 242 and gate line 254.Therefore, when pel array 252 began to move, gate line 254 can scan step by step so that the signal in the data line 256 transfers to corresponding dot structure 258.At this moment, the sweep signal of gate line 254 transfers to the sweep signal of sweep trace 242 as touch-control sensing by electric-conductor 266.So the touch-control display panel 200 of present embodiment need not for touch controllable function touch-control scanning related elements to be set additionally.In addition, (not shown) in one embodiment, sweep trace 242 also might be connected to wherein data line 256 of pel array 252 by electric-conductor 266, and the signal of data line 256 is transferred to the sweep signal of sweep trace 242 as touch-control sensing by electric-conductor 266.
Each touch-control sensing electrode 220 of present embodiment is electrode patterns of strip and crosses these sweep traces 242.In addition, 222 in the gap between adjacent two touch-control sensing electrodes 220 is directly over data line 256.
Touch-control sensing electrode 220 is disposed at emulsion sheet 210, and directly utilizes light-shielding pattern in the display panel 230 as sweep trace 242, therefore can omit the design of touch control component and make touch-control display panel 200 have thin thickness.
What deserves to be mentioned is, sweep trace 242 with pectination is an example, sweep trace 242 as light-shielding pattern also can have other shapes, Fig. 3 is the schematic top plan view of another kind of sweep trace of the touch-control display panel of the second embodiment of the present invention, and Fig. 4 is the schematic top plan view of another sweep trace of the touch-control display panel of the second embodiment of the present invention.As shown in Figure 3, the shape of sweep trace 242a can be a herring-bone form, and its bearing of trend is D 242aOr, structural design as shown in Figure 4, the bearing of trend of sweep trace 242b is D 242b
Fig. 5 is the schematic top plan view of touch-control sensing electrode of the touch-control display panel of one embodiment of the invention, wherein only shows touch-control sensing electrode 320, sweep trace 342 and data line 344.In the present embodiment, each touch-control sensing electrode 320 crosses many data lines 344, and in order to reduce by the 344 pairs of interference that touching signals caused of data line in the pel array (not shown), each touch-control sensing electrode 320 has a plurality of opening 320A, and each opening 320A exposes wherein data line 344, and such design helps to improve the sensing sensitivity of touch-control sensing.
Fig. 6 is the schematic top plan view of touch-control sensing electrode of the touch-control display panel of another embodiment of the present invention.Please refer to Fig. 6, touch-control sensing electrode 420 is the narrower electrode patterns of a kind of live width.And in vertical view, touch-control sensing electrode 420 is nonoverlapping with data line 444.Thus, the signal that transmitted of data line 444 just is difficult for influence the signal that touch-control is controlled.In addition, present embodiment also comprises a plurality of dummy electrodes 424, and itself and touch-control sensing electrode 420 are same rete, and dummy electrodes 424 is disposed between adjacent two touch-control sensing electrodes 420.The design of dummy electrodes 424 helps to reduce the signal situation interfering with each other in the touch-control sensing electrode 420.Therefore, dummy electrodes 424 helps the correctness that improves touch-control sensing.
In sum, the present invention is disposed at emulsion sheet with the touch-control sensing electrode, and can directly utilize element in the display panel as the sweep trace of touch-control sensing.Therefore, touch-control display panel of the present invention only needs configuration one deck touch-control sensing electrode on emulsion sheet except the required element of display panel, again emulsion sheet is pasted to display panel, can finish the making of touch-control display panel.Therefore, significantly simplified the processing procedure of touch-control display panel, and made touch-control display panel can reach the design requirement of slimming.In addition, because the touch-control sensing electrode is configured in emulsion sheet, therefore the touch-control sensing electrode more can not be subjected to the interference of other leads in the contact panel, and has certain distance between touch-control sensing electrode and the sweep trace, so touch-control display panel has preferable sensing sensitivity.Moreover, also can utilize the sensing sensitivity that further promotes the touch-control sensing electrode that is provided with such as specific design such as opening or dummy electrodes.
Though the present invention discloses as above with embodiment; yet it is not in order to limit the present invention; those of ordinary skill under any in the technical field; without departing from the spirit and scope of the present invention; when doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the claim person of defining.

Claims (10)

1.一种触控显示面板，包括：1. A touch display panel, comprising: 一覆盖片；a cover sheet; 多条触控感测电极，配置于该覆盖片的表面；以及a plurality of touch sensing electrodes configured on the surface of the cover sheet; and 一显示面板，通过一粘着层与该覆盖片贴附，包括：A display panel attached to the cover sheet through an adhesive layer, comprising: 一基板，所述触控感测电极位于该覆盖片与该基板之间；a substrate, the touch sensing electrodes are located between the cover sheet and the substrate; 多条扫描线，配置于该基板的异于所述触控感测电极所在的一面，且各该触控感测电极与所述扫描线之间构成一感测电容；A plurality of scanning lines are arranged on a side of the substrate different from that where the touch sensing electrodes are located, and a sensing capacitance is formed between each touch sensing electrode and the scanning lines; 一对向基板，该对向基板平行于该基板；以及a pair of facing substrates parallel to the substrate; and 一显示介质层，位于该基板与该对向基板之间。A display medium layer is located between the substrate and the opposite substrate. 2.根据权利要求1所述的触控显示面板，其中所述扫描线包括多条栅极线。2. The touch display panel according to claim 1, wherein the scan lines comprise a plurality of gate lines. 3.根据权利要求2所述的触控显示面板，其中该显示面板还包括多条数据线以及多个像素结构，配置于该基板，各该像素结构连接至其中一条栅极线以及其中一条数据线，且相邻两条触控感测电极之间的间隙对应于其中一条数据线。3. The touch display panel according to claim 2, wherein the display panel further comprises a plurality of data lines and a plurality of pixel structures disposed on the substrate, and each of the pixel structures is connected to one of the gate lines and one of the data lines. line, and the gap between two adjacent touch sensing electrodes corresponds to one of the data lines. 4.根据权利要求3所述的触控显示面板，其中各条触控感测电极具有至少一条状开口，该条状开口对应其中一条数据线。4 . The touch display panel according to claim 3 , wherein each touch sensing electrode has at least one strip-shaped opening, and the strip-shaped opening corresponds to one of the data lines. 5.根据权利要求1所述的触控显示面板，其中所述扫描线包括多个彼此分离的遮光图案，且所述遮光图案构成一网状遮光结构，且该显示面板具有多个彩色滤光图案，配置于该网状遮光结构中。5. The touch display panel according to claim 1, wherein the scanning lines comprise a plurality of light-shielding patterns separated from each other, and the light-shielding patterns form a mesh light-shielding structure, and the display panel has a plurality of color filters Patterns are configured in the mesh light-shielding structure. 6.根据权利要求5所述的触控显示面板，还包括一像素阵列，配置于该对向基板，该像素阵列包括多条栅极线，所述栅极线的延伸方向平行于所述扫描线的延伸方向。6. The touch display panel according to claim 5, further comprising a pixel array disposed on the opposite substrate, the pixel array comprising a plurality of gate lines, the extending direction of the gate lines parallel to the scanning The direction in which the line extends. 7.根据权利要求6所述的触控显示面板，其中各该扫描线通过一导电件连接至该像素阵列的其中一条栅极线，该导电件具有一导电间隔物，且该导电间隔物配置于该基板与该对向基板之间。7. The touch display panel according to claim 6, wherein each of the scan lines is connected to one of the gate lines of the pixel array through a conductive element, the conductive element has a conductive spacer, and the conductive spacer is configured between the substrate and the opposite substrate. 8.根据权利要求1所述的触控显示面板，其中各该触控感测电极横越所述扫描线。8. The touch display panel according to claim 1, wherein each of the touch sensing electrodes crosses the scanning line. 9.根据权利要求1所述的触控显示面板，还包括多个虚拟电极，与所述触控感测电极为同一膜层，且所述虚拟电极配置于相邻两条触控感测电极之间。9. The touch display panel according to claim 1, further comprising a plurality of dummy electrodes, which are on the same film layer as the touch sensing electrodes, and the dummy electrodes are arranged on two adjacent touch sensing electrodes between. 10.根据权利要求1所述的触控显示面板，还包括两偏光片，其中的一该偏光片配置于该基板的外表面，且该偏光片配置于该基板与该粘着层之间；另外的一该偏光片配置于该对向基板的外表面，且该对向基板位于该显示介质层与该偏光片之间。10. The touch display panel according to claim 1, further comprising two polarizers, one of which is disposed on the outer surface of the substrate, and the polarizer is disposed between the substrate and the adhesive layer; in addition The polarizer is disposed on the outer surface of the opposite substrate, and the opposite substrate is located between the display medium layer and the polarizer.
CN201010154186.8A 2010-04-20 2010-04-20 touch display panel Expired - Fee Related CN102236187B (en)

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CN102236194A (en) * 2010-04-29 2011-11-09 东莞万士达液晶显示器有限公司 Active element array substrate and touch display panel
CN102645772A (en) * 2011-12-30 2012-08-22 友达光电股份有限公司 touch display panel
CN103294293A (en) * 2012-07-27 2013-09-11 上海天马微电子有限公司 Touch graphic structure of embedded capacitive touch screen
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CN103294293B (en) * 2012-07-27 2016-04-06 上海天马微电子有限公司 Touch graphic structure of embedded capacitive touch screen
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CN103383837A (en) * 2013-07-09 2013-11-06 京东方科技集团股份有限公司 Touch and display drive circuit, drive method and display device
CN103383837B (en) * 2013-07-09 2015-07-01 京东方科技集团股份有限公司 Touch and display drive circuit, drive method and display device
CN104375679A (en) * 2013-08-12 2015-02-25 鸿富锦精密工业（深圳）有限公司 Touch display panel, touch detection method and electronic device
CN103472616A (en) * 2013-09-24 2013-12-25 京东方科技集团股份有限公司 Touch display panel, display device and manufacturing method of color film substrate
CN103472616B (en) * 2013-09-24 2016-08-17 京东方科技集团股份有限公司 A kind of touch control display panel, display device and color membrane substrates manufacture method
WO2015043235A1 (en) * 2013-09-24 2015-04-02 京东方科技集团股份有限公司 Touch-control type display panel, display device and manufacturing method for colour film substrate
CN106249931A (en) * 2015-06-05 2016-12-21 群创光电股份有限公司 Display device
CN106249931B (en) * 2015-06-05 2019-08-13 群创光电股份有限公司 Display device
CN107132955A (en) * 2017-04-01 2017-09-05 昆山龙腾光电有限公司 Touch induction device, preparation method and touch control device
CN107132955B (en) * 2017-04-01 2020-04-14 昆山龙腾光电股份有限公司 Touch sensing device, preparation method and touch control equipment
CN107180596A (en) * 2017-04-28 2017-09-19 友达光电股份有限公司 Touch control display panel

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