TWI494803B

TWI494803B - Touch screen

Info

Publication number: TWI494803B
Application number: TW101150280A
Authority: TW
Inventors: Chin Yueh Liao
Original assignee: Ye Xin Technology Consulting Co Ltd
Priority date: 2012-12-26
Filing date: 2012-12-26
Publication date: 2015-08-01
Also published as: CN103902092B; CN103902092A; TW201426442A

Description

觸摸屏 touch screen

本發明係關於一種觸摸屏。 The present invention relates to a touch screen.

現有觸摸屏一般包括複數沿第一方向延伸的第一導電線路及複數與該第一導電線路垂直絕緣相交的第二導電線路。通常地，這些第一導電線路及第二導電線路數量較多、分布密集且寬度較小，而觸摸屏又位於電子裝置的最外側，容易吸附靜電，當大量靜電進入觸摸屏的導電線路中，可能會使觸摸屏產生較大的靜電干擾並損壞導電線路。 The existing touch screen generally includes a plurality of first conductive lines extending in a first direction and a plurality of second conductive lines perpendicularly insulated from the first conductive lines. Generally, the first conductive lines and the second conductive lines are large in number, densely distributed, and small in width, and the touch screen is located on the outermost side of the electronic device, and is easy to adsorb static electricity. When a large amount of static electricity enters the conductive line of the touch screen, it may be The touch screen generates large static interference and damages the conductive lines.

有鑑於此，提供一種能夠改善靜電干擾的觸摸屏實為必要。 In view of this, it is necessary to provide a touch panel capable of improving electrostatic interference.

一種觸摸屏包括沿第一方向設置的第一導電線路，該第一導電線路包括複數間隔排列在該第一方向上的第一感測電極及連接於相鄰兩個第一感測電極之間的第一連接橋，該第一連接橋包括第一尖端，該觸摸屏還包括輔助放電結構，該輔助放電結構與該第一導電線路絕緣設置且包括第二尖端，該第二尖端與該第一尖端相對設置。 A touch screen includes a first conductive line disposed along a first direction, the first conductive line including a plurality of first sensing electrodes arranged in the first direction and connected between adjacent two first sensing electrodes a first connecting bridge, the first connecting bridge including a first tip, the touch screen further comprising an auxiliary discharge structure, the auxiliary discharging structure is insulated from the first conductive line and includes a second tip, the second tip and the first tip Relative settings.

與先前技術相比較，本發明觸摸屏的該第一連接橋包括第一尖端，該輔助放電結構包括與該第一尖端相對設置的第二尖端，進入該第一導電線路的靜電可以通過該第一尖端釋放，該輔助放電結構的第二尖端也可以配合該第一導電線路釋放靜電，改善該觸摸屏靜電干擾現象。 Compared with the prior art, the first connecting bridge of the touch screen of the present invention comprises a first tip, the auxiliary discharging structure comprises a second tip disposed opposite the first tip, and the static electricity entering the first conductive line can pass the first Tip release, the auxiliary discharge junction The second tip of the structure can also discharge static electricity with the first conductive line to improve the electrostatic interference of the touch screen.

10、20、30、40‧‧‧觸摸屏 10, 20, 30, 40‧‧‧ touch screen

11、31、41‧‧‧第一導電線路 11, 31, 41‧‧‧ first conductive line

12、32、42‧‧‧第二導電線路 12, 32, 42‧‧‧ second conductive line

13、23、33‧‧‧輔助放電結構 13, 23, 33‧‧‧ auxiliary discharge structure

X‧‧‧第一方向 X‧‧‧ first direction

Y‧‧‧第二方向 Y‧‧‧second direction

110、310、410‧‧‧第一感測電極 110, 310, 410‧‧‧ first sensing electrode

112、312、412‧‧‧第一連接橋 112, 312, 412‧‧‧ first connecting bridge

114‧‧‧第一主體部 114‧‧‧First Main Body

116、316‧‧‧第一尖端 116, 316‧‧‧ first tip

120、320、420‧‧‧第二感測電極 120, 320, 420‧‧‧ second sensing electrode

122、422‧‧‧第二連接橋 122, 422‧‧‧ second connecting bridge

130‧‧‧第二主體部 130‧‧‧Second Main Body

132、232、332‧‧‧第二尖端 132, 232, 332‧‧‧ second tip

14、34、44‧‧‧基底 14, 34, 44‧‧‧ base

15、35、45‧‧‧絕緣層 15, 35, 45‧‧‧ insulation

150、350‧‧‧導通孔 150, 350‧‧‧ vias

231‧‧‧第一直條部 231‧‧‧First straight section

233‧‧‧第二直條部 233‧‧‧Second straight section

311‧‧‧第一連接部 311‧‧‧First connection

313‧‧‧第二連接部 313‧‧‧Second connection

315‧‧‧第三連接部 315‧‧‧ Third Connection

317‧‧‧主體部 317‧‧‧ Main body

324‧‧‧開口 324‧‧‧ openings

圖1是本發明觸摸屏第一實施方式的平面結構示意圖。 1 is a schematic plan view showing a first embodiment of a touch panel of the present invention.

圖2是圖1沿線II-II的剖面示意圖。 Figure 2 is a cross-sectional view of Figure 1 taken along line II-II.

圖3是圖1沿線III-III的剖面示意圖。 Figure 3 is a cross-sectional view of Figure 1 taken along line III-III.

圖4是本發明觸摸屏第二實施方式的平面結構示意圖。 4 is a schematic plan view showing a second embodiment of the touch screen of the present invention.

圖5是本發明觸摸屏第三實施方式的平面結構示意圖。 FIG. 5 is a schematic plan view showing a third embodiment of the touch screen of the present invention.

圖6是圖5沿線VI-VI的剖面示意圖。 Figure 6 is a cross-sectional view taken along line VI-VI of Figure 5.

圖7是圖5沿線VII-VII的剖面示意圖。 Figure 7 is a cross-sectional view of Figure 5 taken along line VII-VII.

圖8是本發明觸摸屏第四實施方式的平面結構示意圖。 FIG. 8 is a schematic plan view showing a fourth embodiment of the touch panel of the present invention.

圖9是圖8沿IX-IX線的剖面示意圖。 Figure 9 is a cross-sectional view taken along line IX-IX of Figure 8.

圖10是圖8沿X-X線的剖面示意圖。 Figure 10 is a cross-sectional view taken along line X-X of Figure 8.

請參閱圖1，圖1是本發明觸摸屏第一實施方式的平面結構示意圖。該觸摸屏10可以為電容式觸摸屏，其包括複數沿第一方向X延伸的第一導電線路11、複數沿第二方向Y延伸且與該第一導電線路11絕緣交疊設置的第二導電線路12及複數輔助放電結構13。優選地，該第一方向X與該第二方向Y相互垂直。 Please refer to FIG. 1. FIG. 1 is a schematic plan view showing a first embodiment of a touch screen of the present invention. The touch screen 10 can be a capacitive touch screen including a plurality of first conductive lines 11 extending along the first direction X, a plurality of second conductive lines 12 extending along the second direction Y and insulated from the first conductive lines 11 . And a plurality of auxiliary discharge structures 13. Preferably, the first direction X and the second direction Y are perpendicular to each other.

該第一導電線路11包括複數間隔排列在該第一方向X上的第一感測電極110及連接相鄰兩個第一感測電極110的第一連接橋112。該第一連接橋112包括第一主體部114及第一尖端116。該第一主體部114的兩端各連接對應的第一感測電極110，且該第一主體部114的延伸方向可以為該第一方向X。該第一尖端116連接於該第一主體部114的中部，用於釋放靜電。本實施方式中，該第一尖端116的數量為二，該二第一尖端116分別連接在該第一主體部114的中部的兩側，該二第一尖端116的尖端朝向相反。其中，該第一導電線路11中，除了兩個位於兩端的第一感測電極110為三角形外，其餘第一感測電極110大致為菱形。 The first conductive line 11 includes a plurality of first sensing electrodes 110 arranged in the first direction X and a first connecting bridge 112 connecting the adjacent two first sensing electrodes 110. The first connecting bridge 112 includes a first body portion 114 and a first tip end 116. Each of the two ends of the first body portion 114 is connected to the corresponding first sensing electrode 110, and the extending direction of the first body portion 114 may be the first direction X. The first tip 116 is coupled to a central portion of the first body portion 114 for discharging static electricity. In this embodiment, the number of the first tips 116 is two, and the two first tips 116 are respectively connected to two sides of the middle portion of the first body portion 114, and the tips of the two first tips 116 face opposite. The first sensing electrodes 110 are substantially rhombic in the first conductive line 11 except that the two first sensing electrodes 110 at the two ends are triangular.

該第二導電線路12包括複數間隔排列在該第二方向Y上的第二感測電極120及連接於相鄰兩個第二感測電極120之間的第二連接橋122，平面上，該第二感測電極120與該第一感測電極110相互錯開，該第二連接橋122與該第一連接橋112絕緣交疊。其中，該第二導電線路12中，除了兩個位於兩端的第二感測電極120為三角形外，其餘第二感測電極120也大致為菱形。 The second conductive line 12 includes a plurality of second sensing electrodes 120 arranged in the second direction Y and a second connecting bridge 122 connected between the adjacent two second sensing electrodes 120. The second sensing electrode 120 and the first sensing electrode 110 are offset from each other, and the second connecting bridge 122 is insulatively overlapped with the first connecting bridge 112 . In the second conductive line 12, except for the two second sensing electrodes 120 at the two ends being triangular, the other second sensing electrodes 120 are also substantially diamond-shaped.

平面上，該輔助放電結構13與該第二導電線路12交疊。具體地，該輔助放電結構13與該第二感測電極120交疊。該輔助放電結構13包括第二主體部130及連接該第二主體部130且與該第一尖端116相對設置的第二尖端132。該第二主體部130可以與該第一主體部114的延伸方向相同，即沿該第一方向X延伸。該第二尖端132也用於釋放靜電。本實施方式中，該輔助放電結構13還與該第二導電線路12電連接，從而輔助該第二導電線路12釋放靜電。另外，圖1所示的實施方式中，由於每一第一連接橋112包含兩個第一尖端116，因此，每一第一連接橋112也對應兩個輔助放電結構13，該兩個輔助放電結構13分別位於該第一連接橋112的兩側。 In the plane, the auxiliary discharge structure 13 overlaps the second conductive line 12. Specifically, the auxiliary discharge structure 13 overlaps the second sensing electrode 120. The auxiliary discharge structure 13 includes a second body portion 130 and a second tip 132 connected to the second body portion 130 and disposed opposite the first tip end 116. The second body portion 130 may extend in the same direction as the first body portion 114, that is, extend along the first direction X. This second tip 132 is also used to discharge static electricity. In the embodiment, the auxiliary discharge structure 13 is also electrically connected to the second conductive line 12 to assist the second conductive line 12 to discharge static electricity. In addition, in the embodiment shown in FIG. 1 , since each first connecting bridge 112 includes two first tips 116 , each first connecting bridge 112 also corresponds to two auxiliary discharging structures 13 , and the two auxiliary discharging electrodes Structures 13 are respectively located on both sides of the first connecting bridge 112 .

請進一步參閱圖2及圖3，圖2是圖1沿線II-II的剖面示意圖，圖3是圖1沿線III-III的剖面示意圖。該觸摸屏10還包括基底14及用於使該第一導電線路11與該第二導電線路12絕緣的絕緣層15，該第一連接橋112及該輔助放電結構13均設置於該基底14上，該絕緣層15設置於該第一連接橋112、該輔助放電結構13及該基底14上，該第一感測電極110及該第二導電線路12設置於該絕緣層15上，該絕緣層15包括複數貫穿該絕緣層15的導通孔150，該第一連接橋112的第一主體部114的兩端均通過導通孔150與對應的第一感測電極110連接，該輔助放電結構13通過導通孔150與該第二導電線路12的第二感測電極120連接。 Please refer to FIG. 2 and FIG. 3 further. FIG. 2 is a cross-sectional view of FIG. 1 along line II-II, and FIG. 3 is a cross-sectional view of FIG. 1 along line III-III. The touch screen 10 further includes a substrate 14 and an insulating layer 15 for insulating the first conductive line 11 from the second conductive line 12. The first connecting bridge 112 and the auxiliary discharging structure 13 are disposed on the substrate 14. The insulating layer 15 is disposed on the first connecting bridge 112, the auxiliary discharging structure 13 and the substrate 14. The first sensing electrode 110 and the second conductive line 12 are disposed on the insulating layer 15, and the insulating layer 15 is disposed on the insulating layer 15. A plurality of via holes 150 extending through the insulating layer 15 are formed. Both ends of the first body portion 114 of the first connecting bridge 112 are connected to the corresponding first sensing electrodes 110 through the via holes 150. The auxiliary discharging structure 13 is turned on. The hole 150 is connected to the second sensing electrode 120 of the second conductive line 12.

其中，該第一連接橋112與該輔助放電結構13的材料可以相同，如為不透光的金屬材料，從而在該觸摸屏10的製程中，該第一連接橋112與該輔助放電結構13可以於同一道光罩製程中形成。該第一感測電極110及該第二導電線路12的材料可以相同，如為透明導電材料，從而在該觸摸屏10的製程中，該第一感測電極110及該第二導電線路12可以於同一道光罩製程中形成。 The material of the first connecting bridge 112 and the auxiliary discharging structure 13 may be the same, such as a metal material that is opaque, so that in the process of the touch screen 10, the first connecting bridge 112 and the auxiliary discharging structure 13 may be Formed in the same mask process. The material of the first sensing electrode 110 and the second conductive line 12 may be the same, such as a transparent conductive material, so that in the process of the touch screen 10, the first sensing electrode 110 and the second conductive line 12 may be Formed in the same mask process.

與先前技術相比較，本發明觸摸屏10的該第一連接橋112包括第一尖端116，該輔助放電結構13包括與該第一尖端116相對設置的第二尖端132，進入該第一導電線路11的靜電可以通過該第一尖端116釋放，該輔助放電結構13的第二尖端132也可以配合該第一導電線路11釋放靜電，改善該觸摸屏10靜電干擾現象。另外，該輔助放電結構13還與該第二導電線路12電連接，也可以輔助該第二導電線路12釋放靜電，進一步改善該觸摸屏10靜電干擾現象。 Compared with the prior art, the first connecting bridge 112 of the touch screen 10 of the present invention includes a first tip 116, and the auxiliary discharge structure 13 includes a second tip 132 disposed opposite the first tip 116, entering the first conductive line 11 The static electricity can be released by the first tip 116. The second tip 132 of the auxiliary discharge structure 13 can also discharge static electricity with the first conductive line 11 to improve the electrostatic interference of the touch screen 10. In addition, the auxiliary discharge structure 13 is also electrically connected to the second conductive line 12, and can also assist the second conductive line 12 to discharge static electricity, thereby further improving the static interference phenomenon of the touch screen 10.

請參閱圖4，圖4是本發明觸摸屏20第二實施方式的平面結構示意圖。該第二實施方式的觸摸屏20與第一實施方式的觸摸屏10的主要區別在於：輔助放電結構23的平面形狀不同，具體地，輔助放電結構23包括第一直條部231及第二直條部233，該第一直條部231與該第二直條部233相交構成V形，該V形的轉角處定義第二尖端232。其中，該第一直條部231與第一方向X的夾角在大於或等於30度到小於或等於60度的範圍內，且該第二直條部233與該第一方向X的夾角在大於或等於30度到小於或等於60度的範圍內。優選地，該第一直條部231與該第一方向X的夾角為45度，該第二直條部233與該第一方向X的夾角也為45度。 Please refer to FIG. 4. FIG. 4 is a schematic plan view showing the second embodiment of the touch screen 20 of the present invention. The main difference between the touch screen 20 of the second embodiment and the touch screen 10 of the first embodiment is that the planar shape of the auxiliary discharge structure 23 is different. Specifically, the auxiliary discharge structure 23 includes a first straight portion 231 and a second straight portion. 233. The first straight strip portion 231 and the second straight strip portion 233 intersect to form a V shape, and the corner of the V shape defines a second tip end 232. The angle between the first straight strip portion 231 and the first direction X is greater than or equal to 30 degrees to less than or equal to 60 degrees, and the angle between the second straight strip portion 233 and the first direction X is greater than Or equal to 30 degrees to less than or equal to 60 degrees. Preferably, the angle between the first straight strip portion 231 and the first direction X is 45 degrees, and the angle between the second straight strip portion 233 and the first direction X is also 45 degrees.

該第二實施方式中，該輔助放電結構23為V形，其該第一直條部231與該第二直條部233均相較該第一方向X斜向延伸，此種延伸方向可以降低該輔助放電結構23的可視性，不易為人眼察覺，提高該觸摸屏20的可觀測性。 In the second embodiment, the auxiliary discharge structure 23 is V-shaped, and the first straight strip portion 231 and the second straight strip portion 233 both extend obliquely in the first direction X, and the extending direction can be reduced. The visibility of the auxiliary discharge structure 23 is not easily perceived by the human eye, and the observability of the touch screen 20 is improved.

請參閱圖5，圖5是本發明觸摸屏30第三實施方式的平面結構示意圖。該第三實施方式的觸摸屏30與第一實施方式的觸摸屏10的主要區別在於：第一連接橋312的結構不同，且輔助放電結構33的形狀不同。具體地，相鄰兩個第一感測電極310之間通過兩個相對設置的第一連接橋312連接。其中，該兩個第一連接橋312沿平行於第一方向X的對稱軸呈軸對稱設置，平面上，該輔助放電結構33位於該兩個第一連接橋312圍成的空間內。 Please refer to FIG. 5. FIG. 5 is a schematic plan view showing a third embodiment of the touch screen 30 of the present invention. The main difference between the touch screen 30 of the third embodiment and the touch screen 10 of the first embodiment is that the structures of the first connection bridges 312 are different, and the shapes of the auxiliary discharge structures 33 are different. Specifically, the two adjacent first sensing electrodes 310 are connected by two opposite first connecting bridges 312. The two first connecting bridges 312 are axially symmetrically disposed along an axis of symmetry parallel to the first direction X. The auxiliary discharge structure 33 is located in a space surrounded by the two first connecting bridges 312.

每一第一連接橋312包括依次連接的第一連接部311、第二連接部313及第三連接部315，該第二連接部313沿該第一方向X延伸，該第一連接部311與該第三連接部315均連接一該第一尖端316。該第一連接部311與該第三連接部315均包括主體部317，該第一連接部311與該第三連接部315的主體部317與該第一方向X的夾角在大於或等於30度到小於或等於60度的範圍內，優選為45度。 Each of the first connecting bridges 312 includes a first connecting portion 311, a second connecting portion 313, and a third connecting portion 315. The second connecting portion 313 extends along the first direction X. The first connecting portion 311 is The third connecting portion 315 is connected to the first tip 316. The The first connecting portion 311 and the third connecting portion 315 each include a main body portion 317, and the angle between the first connecting portion 311 and the main connecting portion 317 of the third connecting portion 315 and the first direction X is greater than or equal to 30 degrees. Within a range of less than or equal to 60 degrees, preferably 45 degrees.

進一步地說，位於該兩個第一連接橋312圍成的空間的輔助放電結構33的數量為二，每一輔助放電結構33沿該第一方向X延伸且兩端各包括一第二尖端332，且每一輔助放電結構33的兩個第二尖端332分別與該第一連接部311的第一尖端316及該第三連接部315的第一尖端316相對。 Further, the number of auxiliary discharge structures 33 located in the space surrounded by the two first connecting bridges 312 is two, each auxiliary discharge structure 33 extends along the first direction X and each end includes a second tip 332 And the two second tips 332 of each of the auxiliary discharge structures 33 are opposite to the first tips 316 of the first connecting portion 311 and the first tips 316 of the third connecting portion 315, respectively.

平面上，第二感測電極320包括開口324，該第二連接部313位於該第二感測電極320的開口324中且與該第二感測電極320絕緣且具有一定間隔。 In the plane, the second sensing electrode 320 includes an opening 324 , and the second connecting portion 313 is located in the opening 324 of the second sensing electrode 320 and is insulated from the second sensing electrode 320 by a certain interval.

請進一步參閱圖6及圖7，圖6是圖5沿線VI-VI的剖面示意圖，圖7是圖5沿線VII-VII的剖面示意圖。該觸摸屏30也包括基底34及用於使該第一導電線路31與該第二導電線路32絕緣的絕緣層35，該第一連接部311、該第三連接部315及該輔助放電結構33均設置於該基底34上，該絕緣層35設置於該第一連接部311、該第三連接部315、該輔助放電結構33及該基底34上，該第一感測電極310、該第二連接部313及該第二導電線路32設置於該絕緣層35上，該絕緣層35包括導通孔350，該第一連接部311及該第三連接部315的一端通過導通孔350與對應的第一感測電極310連接，該第一連接部311及該第三連接部315的另一端均通過導通孔350與該第二連接部313連接。 Please refer to FIG. 6 and FIG. 7. FIG. 6 is a cross-sectional view along line VI-VI of FIG. 5, and FIG. 7 is a cross-sectional view along line VII-VII of FIG. The touch screen 30 also includes a substrate 34 and an insulating layer 35 for insulating the first conductive line 31 from the second conductive line 32. The first connecting portion 311, the third connecting portion 315 and the auxiliary discharging structure 33 are both The first sensing portion 310, the second connecting portion 315, the auxiliary discharging structure 33 and the substrate 34 are disposed on the substrate 34. The first sensing electrode 310 and the second connection are disposed on the substrate 34. The portion 313 and the second conductive line 32 are disposed on the insulating layer 35. The insulating layer 35 includes a via hole 350. One end of the first connecting portion 311 and the third connecting portion 315 pass through the via hole 350 and the corresponding first portion. The sensing electrodes 310 are connected, and the other ends of the first connecting portion 311 and the third connecting portion 315 are connected to the second connecting portion 313 through the via holes 350.

其中，該第一連接部311、該第三連接部315及該輔助放電結構33的材料相同，如為不透光的金屬材料，從而在該觸摸屏30的製程中，該第一連接部311、該第三連接部315及該輔助放電結構33可以於同一道光罩製程中形成。該第一感測電極310、該第二導電線路32及該第二連接部313的材料可以相同，如為透明導電材料，從而在該觸摸屏30的製程中，該第一感測電極310、該第二導電線路32及該第二連接部313可以於同一道光罩製程中形成。 The materials of the first connecting portion 311, the third connecting portion 315 and the auxiliary discharging structure 33 are the same, such as a metal material that is opaque, so that the process of the touch screen 30 is performed. The first connecting portion 311, the third connecting portion 315, and the auxiliary discharge structure 33 can be formed in the same mask process. The material of the first sensing electrode 310, the second conductive line 32, and the second connecting portion 313 may be the same, such as a transparent conductive material, so that in the process of the touch screen 30, the first sensing electrode 310, the The second conductive line 32 and the second connecting portion 313 can be formed in the same mask process.

該第三實施方式中，相鄰兩個第一感測電極310之間通過兩個相對設置的第一連接橋312連接，可以提高該兩個第一感測電極310的電連接可靠度，即便有一條第一連接橋312斷路，另一條第一連接橋312也可以使兩個第一感測電極310電性導通，同時，該兩個第一連接橋312也更利於該第一導電線路31的靜電釋放。此外，該第一連接部311與該第三連接部315的主體部317相較於該第一方向斜向延伸也可以降低該輔助放電結構33的可視性，提高該觸摸屏30的可觀測性。 In the third embodiment, the two adjacent first sensing electrodes 310 are connected by two opposite first connecting bridges 312, so that the electrical connection reliability of the two first sensing electrodes 310 can be improved, even if One first connecting bridge 312 is open, and the other first connecting bridge 312 can electrically connect the two first sensing electrodes 310. At the same time, the two first connecting bridges 312 are also more favorable to the first conductive line 31. Electrostatic discharge. Moreover, the first connecting portion 311 and the main body portion 317 of the third connecting portion 315 extend obliquely with respect to the first direction to reduce the visibility of the auxiliary discharge structure 33 and improve the visibility of the touch panel 30.

請參閱圖8、圖9及圖10，圖8是本發明觸摸屏40第四實施方式的平面結構示意圖，圖9是圖8沿線IX-IX的剖面示意圖，圖10是圖8沿線X-X的剖面示意圖。該第四實施方式的觸摸屏40與第一實施方式的觸摸屏10的主要區別在於：觸摸屏40的層間結構不同，該觸摸屏40也包括基底44及用於使第一導電線路41與第二導電線路42絕緣的絕緣層45，具體地，第一連接橋412及輔助放電結構43設置於該基底44上，第一感測電極410設置於該基底44及該第一連接橋412上且與該第一連接橋412直接連接，第二感測電極420也設置於該基底44且與該輔助放電結構43直接連接，該絕緣層45設置於該第一連接橋412上，該第二連接橋422設置於該絕緣層45上並將相鄰的二第二感測電極420連接。 Referring to FIG. 8 , FIG. 9 and FIG. 10 , FIG. 8 is a schematic plan view of a fourth embodiment of the touch screen 40 of the present invention, FIG. 9 is a cross-sectional view along line IX-IX of FIG. 8 , and FIG. 10 is a cross-sectional view along line XX of FIG. 8 . . The main difference between the touch screen 40 of the fourth embodiment and the touch screen 10 of the first embodiment is that the interlayer structure of the touch screen 40 is different, and the touch screen 40 also includes a substrate 44 and a first conductive line 41 and a second conductive line 42. An insulating layer 45, specifically, a first connecting bridge 412 and an auxiliary discharging structure 43 are disposed on the substrate 44. The first sensing electrode 410 is disposed on the substrate 44 and the first connecting bridge 412 and is first The connecting bridge 412 is directly connected to the second sensing electrode 420. The second sensing electrode 420 is also disposed on the base 44 and is directly connected to the auxiliary discharging structure 43. The insulating layer 45 is disposed on the first connecting bridge 412. The second connecting bridge 422 is disposed on the connecting bridge 412. The insulating layer 45 is connected to the adjacent two second sensing electrodes 420.

綜上所述，本發明確已符合發明專利之要件，爰依法提出專利申請。惟，以上所述者僅為本發明之較佳實施方式，本發明之範圍並不以上述實施例為限，該舉凡熟悉本案技藝之人士爰依本發明之精神所作之等效修飾或變化，皆應涵蓋於以下申請專利範圍內。 In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or variations according to the spirit of the present invention. All should be covered by the following patent application.

10‧‧‧觸摸屏 10‧‧‧ touch screen

11‧‧‧第一導電線路 11‧‧‧First conductive line

12‧‧‧第二導電線路 12‧‧‧Second conductive line

13‧‧‧輔助放電結構 13‧‧‧Auxiliary discharge structure

X‧‧‧第一方向 X‧‧‧ first direction

Y‧‧‧第二方向 Y‧‧‧second direction

110‧‧‧第一感測電極 110‧‧‧First sensing electrode

112‧‧‧第一連接橋 112‧‧‧First connecting bridge

114‧‧‧第一主體部 114‧‧‧First Main Body

116‧‧‧第一尖端 116‧‧‧First tip

120‧‧‧第二感測電極 120‧‧‧Second sensing electrode

122‧‧‧第二連接橋 122‧‧‧Second connection bridge

130‧‧‧第二主體部 130‧‧‧Second Main Body

132‧‧‧第二尖端 132‧‧‧second tip

14‧‧‧基底 14‧‧‧Base

150‧‧‧導通孔 150‧‧‧through hole

Claims

一種觸摸屏，其包括沿第一方向設置的第一導電線路，該第一導電線路包括複數間隔排列在該第一方向上的第一感測電極及連接於相鄰兩個第一感測電極之間的第一連接橋，該第一連接橋包括第一尖端，該觸摸屏還包括輔助放電結構以及基底，該第一連接橋及該輔助放電結構均設置於該基底上，該輔助放電結構與該第一導電線路絕緣設置且包括第二尖端，該第二尖端與該第一尖端相對設置。 A touch screen includes a first conductive line disposed along a first direction, the first conductive line including a plurality of first sensing electrodes arranged in the first direction and connected to two adjacent first sensing electrodes a first connecting bridge, the first connecting bridge includes a first tip, the touch screen further includes an auxiliary discharge structure and a substrate, the first connecting bridge and the auxiliary discharging structure are disposed on the substrate, the auxiliary discharging structure and the The first conductive trace is insulated and includes a second tip that is disposed opposite the first tip.

如申請專利範圍第1項所述的觸摸屏，其中，該第一連接橋與該輔助放電結構的材料相同。 The touch screen of claim 1, wherein the first connecting bridge is the same material as the auxiliary discharging structure.

如申請專利範圍第1項所述的觸摸屏，其中，該觸摸屏還包括沿第二方向延伸且與該第一導電線路絕緣交疊設置的第二導電線路，該輔助放電結構電連接該第二導電線路。 The touch screen of claim 1, wherein the touch screen further comprises a second conductive line extending in a second direction and insulated from the first conductive line, the auxiliary discharge structure electrically connecting the second conductive line.

如申請專利範圍第3項所述的觸摸屏，其中，該觸摸屏還包括用於使該第一導電線路與該第二導電線路絕緣的絕緣層，該絕緣層設置於該第一連接橋、該輔助放電結構及該基底上，該第一感測電極及該第二導電線路設置於該絕緣層上，該絕緣層包括導通孔，該第一連接橋的兩端均通過導通孔與對應的第一感測電極連接，該輔助放電結構通過導通孔與該第二導電線路連接。 The touch screen of claim 3, wherein the touch screen further comprises an insulating layer for insulating the first conductive line from the second conductive line, the insulating layer is disposed on the first connecting bridge, the auxiliary On the discharge structure and the substrate, the first sensing electrode and the second conductive line are disposed on the insulating layer, the insulating layer includes a via hole, and both ends of the first connecting bridge pass through the via hole and the corresponding first A sensing electrode connection is connected to the second conductive line through the via hole.

如申請專利範圍第3項所述的觸摸屏，其中，該第二導電線路包括複數間隔排列在該第二方向上的第二感測電極及連接於相鄰兩個感測電極之間的第二連接橋，平面上，該第二感測電極與該第一感測電極相互錯開，該第二連接橋與該第一連接橋絕緣交疊。 The touch screen of claim 3, wherein the second conductive line comprises a plurality of second sensing electrodes arranged in the second direction and a second connected between the adjacent two sensing electrodes. Connecting the bridge, the second sensing electrode and the first sensing electrode are offset from each other, and the second connecting bridge is insulated from the first connecting bridge.

如申請專利範圍第5項所述的觸摸屏，其中，該觸摸屏還包括用於使該第一導電線路與該第二導電線路絕緣的絕緣層，該第一連接橋、該輔助放電結構、該第一感測電極及該第二感測電極均設置於該基底上，該絕緣層設置於該第一連接橋上，該第二連接橋設置於該絕緣層上並將相鄰的二第二感測電極連接。 The touch screen of claim 5, wherein the touch screen further comprises An insulating layer insulated from the second conductive line, the first connecting bridge, the auxiliary discharging structure, the first sensing electrode and the second sensing electrode are disposed on the substrate, and the insulating layer is disposed on the substrate The first connecting bridge is disposed on the insulating layer and connects adjacent two second sensing electrodes.

如申請專利範圍第1項至第6項中任意一項所述的觸摸屏，其中，該第一連接橋包括第一主體部及連接於該第一主體部的中部的第一尖端。 The touch screen of any one of clauses 1 to 6, wherein the first connecting bridge comprises a first body portion and a first tip connected to a middle portion of the first body portion.

如申請專利範圍第7項所述的觸摸屏，其中，該第一連接橋包括兩個連接在該第一主體部的中部兩側的第一尖端，該兩個第一尖端的尖端朝向相反，每一第一連接橋對應兩個輔助放電結構，該兩個輔助放電結構分別位於該第一連接橋的兩側。 The touch screen of claim 7, wherein the first connecting bridge comprises two first tips connected to both sides of a central portion of the first body portion, the tips of the two first tips are opposite, each A first connecting bridge corresponds to two auxiliary discharging structures, and the two auxiliary discharging structures are respectively located at two sides of the first connecting bridge.

如申請專利範圍第7項所述的觸摸屏，其中，該輔助放電結構包括第二主體部及連接該第二主體部且對應該第一尖端的第二尖端，該第二主體部與該第一連接橋的延伸方向相同且均沿該第一方向延伸。 The touch screen of claim 7, wherein the auxiliary discharge structure comprises a second body portion and a second tip connecting the second body portion and corresponding to the first tip, the second body portion and the first The connecting bridges extend in the same direction and both extend in the first direction.

如申請專利範圍第7項所述的觸摸屏，其中，該輔助放電結構包括第一直條部及第二直條部，該第一直條部與該第二直條部相交構成V形，該V形的轉角處定義該第二尖端。 The touch screen of claim 7, wherein the auxiliary discharge structure comprises a first straight strip portion and a second straight strip portion, the first straight strip portion intersecting the second straight strip portion to form a V shape, The second tip is defined at the corner of the V.

如申請專利範圍第10項所述的觸摸屏，其中，該第一直條部與該第一方向的夾角在大於或等於30度到小於或等於60度的範圍內，且該第二直條部與該第一方向的夾角在大於或等於30度到小於或等於60度的範圍內。 The touch screen of claim 10, wherein an angle between the first straight portion and the first direction is in a range of greater than or equal to 30 degrees to less than or equal to 60 degrees, and the second straight portion The angle with the first direction is in a range from greater than or equal to 30 degrees to less than or equal to 60 degrees.

如申請專利範圍第10項所述的觸摸屏，其中，該第一直條部與該第一方向的夾角為45度，該第二直條部與該第一方向的夾角為45度。 The touch screen of claim 10, wherein an angle between the first straight portion and the first direction is 45 degrees, and an angle between the second straight portion and the first direction is 45 degrees.

如申請專利範圍第5項所述的觸摸屏，其中，該相鄰兩個第一感測電極之間通過兩個相對設置的第一連接橋連接。 The touch screen of claim 5, wherein the adjacent two first sensing electrodes are connected by two oppositely disposed first connecting bridges.

如申請專利範圍第13項所述的觸摸屏，其中，該兩個第一連接橋沿平行於該第一方向的對稱軸呈軸對稱設置，平面上，該輔助放電結構位於該兩個第一連接橋圍成的空間內。 The touch screen of claim 13, wherein the two first connecting bridges are axially symmetrically disposed along an axis of symmetry parallel to the first direction, and the auxiliary discharge structure is located on the plane. The space enclosed by the two first connecting bridges.

如申請專利範圍第14項所述的觸摸屏，其中，每一第一連接橋包括依次連接的第一連接部、第二連接部及第三連接部，該第二連接部沿該第一方向延伸，該第一連接部與該第三連接部內側均連接一該第一尖端。 The touch screen of claim 14, wherein each of the first connecting bridges includes a first connecting portion, a second connecting portion and a third connecting portion that are sequentially connected, the second connecting portion extending along the first direction The first connecting portion and the inner side of the third connecting portion are connected to the first tip.

如申請專利範圍第15項所述的觸摸屏，其中，該第一連接部與該第三連接部均包括主體部，該第一連接部與該第三連接部的主體部與該第一方向的夾角在大於或等於30度到小於或等於60度的範圍內。 The touch screen of claim 15, wherein the first connecting portion and the third connecting portion each comprise a main body portion, the first connecting portion and the main portion of the third connecting portion and the first direction The included angle is in the range of greater than or equal to 30 degrees to less than or equal to 60 degrees.

如申請專利範圍第15項所述的觸摸屏，其中，位於該兩個第一連接橋圍成的空間的輔助放電結構的數量為二，每一輔助放電結構沿該第一方向延伸且兩端各包括一第二尖端，且每一輔助放電結構的兩個第二尖端分別與該第一連接部的第一尖端及該第三連接部的第一尖端相對。 The touch screen of claim 15, wherein the number of auxiliary discharge structures located in the space surrounded by the two first connecting bridges is two, and each auxiliary discharge structure extends along the first direction and each end A second tip is included, and the two second tips of each auxiliary discharge structure are respectively opposite to the first tip of the first connecting portion and the first tip of the third connecting portion.

如申請專利範圍第17項所述的觸摸屏，其中，該第二感測電極包括開口，該第二連接部位於該第二感測電極的開口中且與該第二感測電極絕緣，該第二連接部與該第二感測電極的材料相同。 The touch screen of claim 17, wherein the second sensing electrode comprises an opening, the second connecting portion is located in the opening of the second sensing electrode and is insulated from the second sensing electrode, the first The two connecting portions are the same as the material of the second sensing electrode.

如申請專利範圍第18項所述的觸摸屏，其中，該觸摸屏還包括用於使該第一導電線路與該第二導電線路絕緣的絕緣層，該第一連接部、該第三連接部及該輔助放電結構均設置於該基底上，該絕緣層設置於該第一連接部、該第三連接部、該輔助放電結構及該基底上，該第一感測電極、該第二連接部及該第二導電線路設置於該絕緣層上，該絕緣層包括導通孔，該第一連接部及該第三連接部的一端通過導通孔與對應的第一感測電極連接，該第一連接部及該第三連接部的另一端均通過導通孔與該第二連接部連接。 The touch screen of claim 18, wherein the touch screen further comprises an insulating layer for insulating the first conductive line from the second conductive line, the first connecting portion, the third connecting portion and the The auxiliary discharge structure is disposed on the substrate, the insulating layer is disposed on the first connecting portion, the third connecting portion, the auxiliary discharging structure and the substrate, the first sensing electrode, the second connecting portion and the The second conductive line is disposed on the insulating layer, the insulating layer includes a via hole, and the first connecting portion and one end of the third connecting portion are connected to the corresponding first sensing electrode through the via hole, the first connecting portion and The other end of the third connecting portion is connected to the second connecting portion through a through hole.

如申請專利範圍第19項所述的觸摸屏，其中，該第一連接部、該第三連接部及該輔助放電結構的材料相同。 The touch panel of claim 19, wherein the first connecting portion, the third connecting portion, and the auxiliary discharge structure are made of the same material.