WO2017143659A1 - 触控结构的金属架桥、触摸屏以及电子设备 - Google Patents

触控结构的金属架桥、触摸屏以及电子设备 Download PDF

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Publication number
WO2017143659A1
WO2017143659A1 PCT/CN2016/080964 CN2016080964W WO2017143659A1 WO 2017143659 A1 WO2017143659 A1 WO 2017143659A1 CN 2016080964 W CN2016080964 W CN 2016080964W WO 2017143659 A1 WO2017143659 A1 WO 2017143659A1
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WIPO (PCT)
Prior art keywords
segment
bridge
touch structure
metal bridge
touch
Prior art date
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Ceased
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PCT/CN2016/080964
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English (en)
French (fr)
Inventor
谢晓冬
胡明
王静
张明
李冬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
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Priority to US15/537,838 priority Critical patent/US10331251B2/en
Publication of WO2017143659A1 publication Critical patent/WO2017143659A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a metal bridge of a touch structure, a touch screen, and an electronic device.
  • Metal bridges are possible for both On cell touch screens and OGS products.
  • Traditional metal bridges are linear. Since in the design of the liquid crystal module (LCM, ie, LCD Module), each display unit (dot) in the RGB design is rectangular. In this case, the linear metal bridge is bound to occlude the display unit of RGB, making the human eye easy to detect and creating a shadow elimination problem.
  • LCD liquid crystal module
  • each display unit (dot) in the RGB design is rectangular. In this case, the linear metal bridge is bound to occlude the display unit of RGB, making the human eye easy to detect and creating a shadow elimination problem.
  • the embodiment of the invention provides a metal bridge, a touch screen and an electronic device of the touch structure, which have an ideal image-removing effect, thereby improving the display quality of the touch screen.
  • a metal bridge of a touch structure including a bridge body, and the orthographic projection of the bridge body in a plane where the touch structure is located has a shape of a broken line.
  • the orthographic projection of the bridging main body includes a first segment, a second segment, and a third segment, and the three are sequentially connected in series to form a meandering connection; the first segment and the first segment
  • the bridge ends have a width greater than the first segment, the second segment, and the third segment. width.
  • the width of the end of the bridge is greater than 10 um.
  • the length of the end of the bridge ranges from 15 to 30 um.
  • the range of the angle between the first segment and the second segment is 135-165°; the angle between the third segment and the second segment ranges from 135 to 165°.
  • an angle between the first segment and the second segment is equal to an angle between the third segment and the second segment.
  • the width of the first segment ranges from 5 to 11 um; the width of the second segment ranges from 5 to 11 um; and the width of the third segment ranges from It is 5 to 11um.
  • the widths of the first segment, the second segment, and the third segment are equal.
  • the length of the first segment ranges from 70 to 90 um; the length of the second segment ranges from 70 to 90 um; and the length of the third segment ranges from It is 70 to 90um.
  • first segment, the second segment, and the third segment are equal in length.
  • the embodiment of the present invention further provides a touch screen, including a display panel and a touch structure, and the touch structure includes the above metal bridge provided by the embodiment of the present invention.
  • the metal bridge of the touch structure provided by the embodiment of the invention can avoid the occlusion of the RGB display units by the metal bridge by using the bridge body in the shape of a fold line, so that the human eye is difficult to capture, thereby making it difficult for the human eye to capture.
  • the ideal image reduction effect can be obtained, which can improve the display quality of the touch screen.
  • the touch screen provided by the embodiment of the invention can obtain an ideal image-removing effect by using the metal bridge of the touch structure described above, thereby improving the display quality of the touch screen.
  • FIG. 1 is a schematic diagram of an orthographic projection of a metal bridge of a touch structure in a plane in which the touch structure is located according to an embodiment of the present disclosure
  • FIG. 2 is a cross-sectional view of an On cell type touch screen
  • FIG. 3 is a cross-sectional view of an OGS type touch screen.
  • FIG. 1 is a schematic diagram of an orthographic projection of a metal bridge of a touch structure in a plane in which the touch structure is located according to an embodiment of the present invention.
  • the metal bridge of the touch structure includes a bridge body 1 , and the bridge body 1 has a fold line shape, that is, the orthographic projection of the bridge body 1 in a plane where the touch structure is located has a fold line. shape.
  • the bridging body is in the shape of a fold line
  • the orthographic projection of the bridging body in the plane in which the touch structure is located has the shape of a broken line.
  • the plane in which the touch structure is located refers to a plane in which a plurality of touch sensing electrodes constituting the touch structure are located.
  • the "length”, “width” and “angle” of the various portions of the bridge indicate the length, width and angle of the portions corresponding to the orthographic projection.
  • the orthographic projection of the bridging main body 1 includes a first segment 11, a second segment 12, and a third segment 13, which are sequentially connected in series to form a meandering connection.
  • the angle H between the first segment 11 and the second segment is an obtuse angle.
  • the angle H ranges from 135 to 165 degrees.
  • the angle K between the third segment 13 and the second segment 12 is an obtuse angle, and the angle K ranges from 135 to 165 degrees. It has been experimentally proved that the angle H and the angle K within the above-mentioned range of values are advantageous for color reduction. Further optionally, the angle H and the angle K are equal to facilitate the process.
  • the width B of the first segment 11 ranges from 5 to 11 um; the width C of the second segment 12 ranges from 5 to 11 um; and the width D of the third segment 13 ranges from It is 5 to 11um.
  • the width of each segment within the range of values, it is possible to avoid the occurrence of wire breakage due to the excessively small width, and also to avoid the effect of the image being affected by the excessively large width, which is easy for the human eye to see.
  • the widths (B, C, and D) of the first segment 11, the second segment 12, and the third segment 13 are equal to facilitate the process.
  • the length E of the first segment 11 ranges from 70 to 90 um; the length F of the second segment 12 ranges from 70 to 90 um; and the length I of the third segment ranges from 70 to 70. 90um.
  • the lengths (E, F, and I) of the first segment, the second segment, and the third segment are equal to facilitate the process.
  • the metal bridge further includes two bridge ends 2 respectively located at both ends of the bridge body 1.
  • the width A of the bridge end 2 is greater than the first segment 11 and the second segment
  • the widths (B, C, and D) of the 12 and third segments 13 can increase the connection area of the metal bridge and the conductive pattern (i.e., the touch sensing electrode), so that good electrical contact can be achieved.
  • the width A of the bridge end 2 is greater than 10 um, which can avoid the formation of the tip end of the bridge end 2 after the etching of the metal bridge is completed, thereby reducing the antistatic capability and reducing the frame.
  • the contact resistance of the bridge and the conductive pattern should not be too large to avoid affecting the shadowing effect, which is easy for the human eye to see.
  • the widths A of the two bridge ends 2 may be equal or may not be equal.
  • the length G of the bridge end 2 ranges from 15 to 30 um.
  • the bridge end 2 having a length within the range of the value can increase the connection area of the metal bridge and the conductive pattern (ie, the touch sensing electrode), so that good electrical contact can be achieved.
  • the lengths G of the two bridge ends 2 may be equal or may not be equal.
  • the metal bridge of the touch structure provided by the embodiment of the present invention can be applied to products of different touch modes such as On cell, OGS, and GFF, and can also be used in notebooks, monitors, and the like. Applicable in different sizes of products.
  • the metal bridge can be made of a combination of one or more of metal elements such as Mo, AL, Cu, Ag, etc., or a metal oxide such as ITO can also be used. Production.
  • the following is a comparison test between the metal bridge provided in this embodiment and the existing metal bridge.
  • the orthographic projection of the metal bridge provided in the plane of the touch structure has a shape of a broken line, and the orthographic projection of the existing metal bridge in a plane where the touch structure is located is linear.
  • the specific parameters of the metal bridge are: the total length of the bridge is 262 um; the rotation angle is 0°, that is, the second segment 12 is horizontally disposed.
  • the length of the first segment 11 in the horizontal direction is 80 um; the width of each segment is equal, and the width is 11 um; the width of the end of the bridge is 12-15 um; the level of the shadow (10.8 FHD LCM, ie, 10.8 inches)
  • the liquid crystal display module with a resolution of 1920*1080 is Lev3; the erasing level (13.3FHD LCM, ie, 13.3 inch, resolution 1920*1080 liquid crystal display module) is Lev3; the erasing level (15.6FHD) LCM, that is, a 15.6-inch liquid crystal display module with a resolution of 1920*1080 is Lev1.
  • “second segment level setting” refers to the direction in which the second segment is parallel to the pixel row of the display module.
  • the specific parameters of the first type of metal bridge are: the total length of the bridge is 250um; the rotation angle is 15°, that is, the main body of the bridge The horizontal line (or, relative to the direction of the row of the display module) is inclined by 15°, and the left end is lower than the right end.
  • the erasing level (10.8FHD LCM) is Lev3.5; the erasing level (13.3FHD LCM) is Lev4; the erasing level (15.6FHD LCM) is Lev1.5.
  • the specific parameters of the second metal bridge are: the total length of the bridge is 250 um; the rotation angle is 30°, that is, the bridge body is inclined by 30° with respect to the horizontal line (or with respect to the direction of the row of the display module), and The left end is lower than the right end.
  • the erasing level (10.8FHD LCM) is Lev3; the erasing level (13.3FHD LCM) is Lev3; the erasing level (15.6FHD LCM) is Lev1.5.
  • the specific parameters of the third metal bridge are: the total length of the bridge is 250um; the rotation angle is 45°, that is, the bridge body is inclined by 45° with respect to the horizontal line (or the direction relative to the row of the display module), and The left end is lower than the right end.
  • the erasing level (10.8FHD LCM) is Lev4; the erasing level (13.3FHD LCM) is Lev4; the erasing level (15.6FHD LCM) is Lev2.
  • the specific parameters of the fourth metal bridge are: the total length of the bridge is 262 um; the rotation angle is 0°, that is, the bridge body is inclined by 0° with respect to the horizontal line (or the direction relative to the row of the display module).
  • the erasing level (10.8FHD LCM) is Lev4; the erasing level (13.3FHD LCM) is Lev4.5; the erasing level (15.6FHD LCM) is Lev2.5.
  • the specific parameters of the fifth metal bridge are: the total length of the bridge is 262 um; the rotation angle is 15 °, that is, the bridge body is inclined by 15° with respect to the horizontal line (or with respect to the direction of the row of the display module).
  • the erasing level (10.8FHD LCM) is Lev4.5; the erasing level (13.3FHD LCM) is Lev5; the erasing level (15.6FHD LCM) is Lev2.5.
  • the specific parameters of the sixth metal bridge are: the total length of the bridge is 262 um; the rotation angle is 30°, that is, the bridge body is inclined by 30° with respect to the horizontal line (or with respect to the direction of the row of the display module).
  • the shading level (10.8FHD LCM) is Lev4.5; the shading level (13.3FHD LCM) is Lev3.5; the shading level (15.6FHD LCM) is Lev2.5.
  • the specific parameters of the seventh metal bridge are: the total length of the bridge is 262um; the rotation angle is 45°, that is, the bridge body is inclined by 45° with respect to the horizontal line (or the direction relative to the row of the display module).
  • the erasing level (10.8FHD LCM) is Lev4.5; the erasing level (13.3FHD LCM) is Lev4; the erasing level (15.6FHD LCM) is Lev3.
  • the specific parameters of the eighth metal bridge are: the total length of the bridge is 262 um; the rotation angle is 0 °, that is, the bridge body is inclined by 0° with respect to the horizontal line (or the direction relative to the row of the display module). Shading level (10.8FHD LCM) is Lev4.5; shading level (13.3FHD) LCM) is Lev4; the erasing level (15.6 FHD LCM) is Lev2.5.
  • the specific parameters of the ninth metal bridge are: the total length of the bridge is 262 um; the rotation angle is 15 °, that is, the bridge body is inclined by 15° with respect to the horizontal line (or with respect to the direction of the row of the display module).
  • the erasing level (10.8FHD LCM) is Lev4.5; the erasing level (13.3FHD LCM) is Lev4; the erasing level (15.6FHD LCM) is Lev2.5.
  • the specific parameters of the tenth metal bridge are: the total length of the bridge is 262um; the rotation angle is 30°, that is, the bridge body is inclined by 30° with respect to the horizontal line (or with respect to the direction of the row of the display module).
  • the erasing level (10.8FHD LCM) is Lev4.5; the erasing level (13.3FHD LCM) is Lev4; the erasing level (15.6FHD LCM) is Lev2.5.
  • the specific parameters of the eleventh metal bridge are: the total length of the bridge is 262 um; the rotation angle is 45°, that is, the bridge body is inclined by 45° with respect to the horizontal line (or the direction relative to the row of the display module).
  • the erasing level (10.8FHD LCM) is Lev4.5; the erasing level (13.3FHD LCM) is Lev4; the erasing level (15.6FHD LCM) is Lev2.5.
  • the method of discriminating the shadow is: if the shadow level is Lev1, the bridge is not visible; if the shadow level is Lev2, the bridge is faintly visible; if the shadow level is Lev3, the bridge is not obvious If the shadow level is Lev4, the bridge is clearly visible; if the shadow level is Lev5, the bridge is clearly visible.
  • the metal bridge provided in this embodiment has a color reduction level of 10.8 & 13.3 FHD LCM, which is Lev3. 15.6FHD
  • the LCM above the LCM level is better than the existing 11 metal bridges.
  • the embodiment of the present invention further provides a touch screen, which includes a display panel and a touch structure, and the touch structure adopts the above-mentioned metal bridge provided by the embodiment of the present invention.
  • the touch structure includes touch electrodes (usually made of ITO material) arranged in a horizontal direction and a vertical direction, and the touch electrodes are arranged to form a conductive pattern. The two adjacent touch electrodes cannot be connected in the intersection area, so the metal bridge is connected, and the metal bridge and the other two touch electrodes intersecting the two touch electrodes are electrically connected. insulation.
  • FIG. 2 is a cross-sectional view of an On cell type touch screen.
  • the On cell type touch panel includes a glass substrate 31, an OCR (Optical Clear Resin) layer 32, a polarizer 33, a sensing layer 34, a color filter substrate 35, and an array substrate 36 which are disposed in this order from top to bottom.
  • Figure 3 is A cross-sectional view of an OGS touch screen.
  • the OGS type touch screen includes a glass substrate 31, a sensing layer 34, an OCR layer 32, a polarizer 33, a color filter substrate 35, and an array substrate 36 which are disposed in this order from top to bottom.
  • the sensing layer 34 ie, the touch structure
  • the method for fabricating the metal bridge on the sensing layer 34 is the same, and the embodiment of the present invention
  • the metal bridge of the touch structure is compatible with On cell touch screen and OGS touch screen.
  • Another embodiment of the present invention provides an electronic device including the touch screen as described in the above embodiments.
  • the touch screen provided by the embodiment of the invention can obtain an ideal image-removing effect by using the metal bridge of the touch structure described above, thereby improving the display quality of the touch screen.

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Abstract

提供了一种触控结构的金属架桥、触摸屏以及电子设备。所述金属架桥包括架桥主体，所述架桥主体在所述触控结构所在的平面内的正投影具有折线的形状。本发明实施例提供的触控结构的金属架桥，其通过采用呈折线状的架桥主体，可以使人眼很难捕捉，从而可以获得理想的消影效果，进而可以提高触摸屏的显示质量。图1

Description

触控结构的金属架桥、触摸屏以及电子设备 技术领域
本发明涉及显示技术领域，具体地，涉及一种触控结构的金属架桥、触摸屏以及电子设备。
背景技术
随着电子产品的发展，各种电子产品例如手机、平板电脑(Pad)、笔记本电脑(Notebook)等都开始使用触摸屏。在这些产品中，通常采用OGS(One Glass Solution)式触摸屏或者On cell式触摸屏。
无论是On cell式触摸屏还是OGS的产品都有可能使用到金属架桥。传统的金属架桥均呈直线状。由于在液晶模组(LCM，即，LCD Module)的设计中，RGB设计中的每一个显示单位(dot)都是矩形的。在这种情况下，直线状的金属架桥势必会对RGB的显示单位产生遮挡，使人眼容易察觉，产生消影问题。
发明内容
本发明实施例提出了一种触控结构的金属架桥、触摸屏以及电子设备，其具有理想的消影效果，从而可以提高触摸屏的显示质量。
为实现以上目的，提供了一种触控结构的金属架桥，包括架桥主体，所述架桥主体在所述触控结构所在的平面内的正投影具有折线的形状。
可选的，所述架桥主体的所述正投影包括第一分段、第二分段和第三分段，三者依次串接形成曲折的连线；所述第一分段与所述第二分段之间的夹角是钝角；所述第三分段与所述第二分段之间的夹角是钝角。
可选的，还包括分别位于所述架桥主体两端的两个架桥端部；并且，所述架桥端部的宽度大于所述第一分段、第二分段和第三分段的宽度。
可选的，所述架桥端部的宽度大于10um。
可选的，所述架桥端部的长度的取值范围是15～30um。
可选的，所述第一分段与所述第二分段之间的夹角的取值范围是 135～165°；所述第三分段与所述第二分段之间的夹角的取值范围是135～165°。
可选的，所述第一分段与所述第二分段之间的夹角等于所述第三分段与所述第二分段之间的夹角。
可选的，所述第一分段的宽度的取值范围是5～11um；所述第二分段的宽度的取值范围是5～11um；所述第三分段的宽度的取值范围是5～11um。
可选的，所述第一分段、第二分段和第三分段的宽度相等。
可选的，所述第一分段的长度的取值范围是70～90um；所述第二分段的长度的取值范围是70～90um；所述第三分段的长度的取值范围是70～90um。
可选的，所述第一分段、第二分段和第三分段的长度相等。
作为另一个技术方案，本发明实施例还提供一种触摸屏，包括显示面板和触控结构，所述触控结构包括本发明实施例提供的上述金属架桥。
本发明实施例提供的触控结构的金属架桥，其通过采用呈折线状的架桥主体，可以最大程度地避免金属架桥对RGB的各个显示单位的遮挡，使人眼很难捕捉，从而可以获得理想的消影效果，进而可以提高触摸屏的显示质量。
本发明实施例提供的触摸屏，其通过采用以上所述的触控结构的金属架桥，可以获得理想的消影效果，从而可以提高触摸屏的显示质量。
附图说明
图1为本发明实施例提供的触控结构的金属架桥在所述触控结构所在的平面内的正投影的示意图；
图2为On cell式触摸屏的剖视图；以及
图3为OGS式触摸屏的剖视图。
具体实施方式
为使本领域的技术人员更好地理解本发明的技术方案，下面结合附图来对本发明实施例提供的触控结构的金属架桥、触摸屏以及电子 设备进行详细描述。
图1为本发明实施例提供的触控结构的金属架桥在所述触控结构所在的平面内的正投影的示意图。请参阅图1，触控结构的金属架桥包括架桥主体1，该架桥主体1呈折线状，即，所述架桥主体1在所述触控结构所在的平面内的正投影具有折线的形状。通过采用呈折线状的架桥主体1，可以最大程度地避免金属架桥对RGB的各个显示单位的遮挡，使人眼很难捕捉，从而可以获得理想的消影效果，进而可以提高触摸屏的显示质量。
在本发明的上下文中，“架桥主体呈折线状”指的是：架桥主体在所述触控结构所在的平面内的正投影具有折线的形状。所述触控结构所在的平面指的是构成所述触控结构的多个触控感应电极所在的平面。并且，架桥的各部分的“长度”、“宽度”和“角度”指示的是所述正投影所对应的各部分的长度、宽度和角度。
具体地，在本实施例中，架桥主体1的所述正投影包括第一分段11、第二分段12和第三分段13，三者依次串接形成曲折的连线。其中，第一分段11与第二分段之间的夹角H是钝角，可选的，该夹角H的取值范围是135～165°。第三分段13与第二分段12之间的夹角K是钝角，该夹角K的取值范围是135～165°。通过实验证明，在上述取值范围内的夹角H和夹角K有利于消影。进一步可选的，夹角H和夹角K相等，以便于工艺。
可选的，第一分段11的宽度B的取值范围是5～11um；第二分段12的宽度C的取值范围是5～11um；第三分段13的宽度D的取值范围是5～11um。通过将各个分段的宽度设定在该取值范围内，不仅可以避免因宽度过小而产生断线，而且也可以避免因宽度过大而影响消影效果，导致人眼易见。进一步可选的，第一分段11、第二分段12和第三分段13的宽度(B、C和D)相等，以便于工艺。
另外，第一分段11的长度E的取值范围是70～90um；第二分段12的长度F的取值范围是70～90um；第三分段的长度I的取值范围是70～90um。可选的，第一分段、第二分段和第三分段的长度(E、F和I)相等，以便于工艺。
在本实施例中，金属架桥还包括分别位于架桥主体1两端的两个架桥端部2。并且，架桥端部2的宽度A大于第一分段11、第二分段 12和第三分段13的宽度(B、C和D)，这样可以增大金属架桥与导电图案(即，触控感应电极)的连接面积，从而可以实现良好的电接触。可选的，架桥端部2的宽度A大于10um，这可以在完成对金属架桥的刻蚀之后，不仅可避免架桥端部2形成尖端，导致抗静电能力减弱，而且还可以降低架桥和导电图案的接触电阻。当然，宽度A也不宜过大，以避免影响消影效果，导致人眼易见。此外，在实际应用中，两个架桥端部2的宽度A可以相等，或者也可以不相等。
另外，可选的，架桥端部2的长度G的取值范围是15～30um。长度在该取值范围内的架桥端部2可以增大金属架桥与导电图案(即，触控感应电极)的连接面积，从而可以实现良好的电接触。此外，在实际应用中，两个架桥端部2的长度G可以相等，或者也可以不相等。
需要说明的是，本发明实施例提供的触控结构的金属架桥可以在On cell，OGS，GFF等不同触控模式的产品上应用，也可以在笔记本(Notebook)、监视器(Monitor)等不同尺寸的产品中应用。
还需要说明的是，在实际应用中，金属架桥可以采用Mo，AL，Cu，Ag等金属元素中的一种或多种元素的组合制作，或者，还可以采用例如ITO等的金属氧化物制作。
下面是将本实施例提供的金属架桥与现有的金属架桥进行对比试验。其中，本实施例提供的金属架桥在触控结构所在的平面内的正投影具有折线的形状，而现有的金属架桥在触控结构所在的平面内的正投影呈直线状。
具体地，本实施例提供的金属架桥的具体参数为：架桥总长度为262um；旋转角度为0°，即，第二分段12水平设置。第一分段11在水平方向上的长度为80um；各个分段的宽度相等，且该宽度为11um；架桥端部的宽度为12-15um；消影等级(10.8FHD LCM，即，10.8寸、分辨率为1920*1080的液晶显示模组)为Lev3；消影等级(13.3FHD LCM，即，13.3寸、分辨率为1920*1080的液晶显示模组)为Lev3；消影等级(15.6FHD LCM，即，15.6寸、分辨率为1920*1080的液晶显示模组)为Lev1。在本发明的上下文中，“第二分段水平设置”是指第二分段平行于显示模组的像素行的方向。
与之相比，现有的金属架桥有11种。其中，第一种金属架桥的具体参数为：架桥总长度为250um；旋转角度为15°，即，架桥主体相 对于水平线(或，相对于显示模组的行的方向)倾斜15°，且左端低于右端。消影等级(10.8FHD LCM)为Lev3.5；消影等级(13.3FHD LCM)为Lev4；消影等级(15.6FHD LCM)为Lev1.5。
第二种金属架桥的具体参数为：架桥总长度为250um；旋转角度为30°，即，架桥主体相对于水平线(或，相对于显示模组的行的方向)倾斜30°，且左端低于右端。消影等级(10.8FHD LCM)为Lev3；消影等级(13.3FHD LCM)为Lev3；消影等级(15.6FHD LCM)为Lev1.5。
第三种金属架桥的具体参数为：架桥总长度为250um；旋转角度为45°，即，架桥主体相对于水平线(或，相对于显示模组的行的方向)倾斜45°，且左端低于右端。消影等级(10.8FHD LCM)为Lev4；消影等级(13.3FHD LCM)为Lev4；消影等级(15.6FHD LCM)为Lev2。
第四种金属架桥的具体参数为：架桥总长度为262um；旋转角度为0°，即，架桥主体相对于水平线(或，相对于显示模组的行的方向)倾斜0°。消影等级(10.8FHD LCM)为Lev4；消影等级(13.3FHD LCM)为Lev4.5；消影等级(15.6FHD LCM)为Lev2.5。
第五种金属架桥的具体参数为：架桥总长度为262um；旋转角度为15°，即，架桥主体相对于水平线(或，相对于显示模组的行的方向)倾斜15°。消影等级(10.8FHD LCM)为Lev4.5；消影等级(13.3FHD LCM)为Lev5；消影等级(15.6FHD LCM)为Lev2.5。
第六种金属架桥的具体参数为：架桥总长度为262um；旋转角度为30°，即，架桥主体相对于水平线(或，相对于显示模组的行的方向)倾斜30°。消影等级(10.8FHD LCM)为Lev4.5；消影等级(13.3FHD LCM)为Lev3.5；消影等级(15.6FHD LCM)为Lev2.5。
第七种金属架桥的具体参数为：架桥总长度为262um；旋转角度为45°，即，架桥主体相对于水平线(或，相对于显示模组的行的方向)倾斜45°。消影等级(10.8FHD LCM)为Lev4.5；消影等级(13.3FHD LCM)为Lev4；消影等级(15.6FHD LCM)为Lev3。
第八种金属架桥的具体参数为：架桥总长度为262um；旋转角度为0°，即，架桥主体相对于水平线(或，相对于显示模组的行的方向)倾斜0°。消影等级(10.8FHD LCM)为Lev4.5；消影等级(13.3FHD  LCM)为Lev4；消影等级(15.6FHD LCM)为Lev2.5。
第九种金属架桥的具体参数为：架桥总长度为262um；旋转角度为15°，即，架桥主体相对于水平线(或，相对于显示模组的行的方向)倾斜15°。消影等级(10.8FHD LCM)为Lev4.5；消影等级(13.3FHD LCM)为Lev4；消影等级(15.6FHD LCM)为Lev2.5。
第十种金属架桥的具体参数为：架桥总长度为262um；旋转角度为30°，即，架桥主体相对于水平线(或，相对于显示模组的行的方向)倾斜30°。消影等级(10.8FHD LCM)为Lev4.5；消影等级(13.3FHD LCM)为Lev4；消影等级(15.6FHD LCM)为Lev2.5。
第十一种金属架桥的具体参数为：架桥总长度为262um；旋转角度为45°，即，架桥主体相对于水平线(或，相对于显示模组的行的方向)倾斜45°。消影等级(10.8FHD LCM)为Lev4.5；消影等级(13.3FHD LCM)为Lev4；消影等级(15.6FHD LCM)为Lev2.5。
需要说明的是，消影的判别方式为：若消影等级是Lev1，则架桥不可见；若消影等级是Lev2，则架桥隐约可见；若消影等级是Lev3，则架桥不明显；若消影等级是Lev4，则架桥明显可见；若消影等级是Lev5，则架桥清晰可见。
通过上述对比试验发现，本实施例提供的金属架桥的消影效果是最佳的，具体来说，本实施例提供的金属架桥在10.8& 13.3FHD LCM上面的消影等级是Lev3，在15.6FHD LCM上面的消影等级是Lev1，消影效果优于现有的11种金属架桥的消影效果。
作为另一个技术方案，本发明实施例还提供一种触摸屏，该触摸屏包括显示面板和触控结构，该触控结构采用了本发明实施例提供的上述金属架桥。触控结构包括分别横向和纵向排列的触控电极(通常采用ITO材料制作)，这些触控电极排列形成导电图形。其中，由于相邻的其中两个触控电极在交叉区域无法连接，因此，需要通过金属架桥连接，同时该金属架桥和与其中两个触控电极相交叉的另外两个触控电极电绝缘。
上述触控结构可以应用在On cell式触摸屏和OGS式触摸屏中。具体地，图2为On cell式触摸屏的剖视图。请参阅图2，On cell式触摸屏包括由上而下依次设置的玻璃基板31、OCR(Optical Clear Resin)层32、偏光片33、感应层34、彩膜基板35和阵列基板36。图3为 OGS式触摸屏的剖视图。请参阅图3，OGS式触摸屏包括由上而下依次设置的玻璃基板31、感应层34、OCR层32、偏光片33、彩膜基板35和阵列基板36。
由上可知，感应层34(即，触控结构)设置在On cell式触摸屏和OGS式触摸屏中的位置分别不同，但在该感应层34上制作金属架桥的方法相同，且本发明实施例提供的触控结构的金属架桥能够兼容On cell式触摸屏和OGS式触摸屏。
本发明的另一实施例提供了一种电子设备，所述电子设备包括如以上实施例所述的触摸屏。
本发明实施例提供的触摸屏，其通过采用以上所述的触控结构的金属架桥，可以获得理想的消影效果，从而可以提高触摸屏的显示质量。
可以理解的是，以上实施方式仅仅是为了说明本发明的原理而采用的示例性实施方式，然而本发明并不局限于此。对于本领域内的普通技术人员而言，在不脱离本发明的精神和实质的情况下，可以做出各种变型和改进，这些变型和改进也视为本发明的保护范围。

Claims (13)

  1. 一种触控结构的金属架桥，包括架桥主体，其特征在于，所述架桥主体在所述触控结构所在的平面内的正投影具有折线的形状。
  2. 根据权利要求1所述的触控结构的金属架桥，其特征在于，所述架桥主体的所述正投影包括第一分段、第二分段和第三分段，三者依次串接形成曲折的连线；
    所述第一分段与所述第二分段之间的夹角是钝角；所述第三分段与所述第二分段之间的夹角是钝角。
  3. 根据权利要求2所述的触控结构的金属架桥，其特征在于，还包括分别位于所述架桥主体两端的两个架桥端部；并且，
    所述架桥端部的宽度大于所述第一分段、第二分段和第三分段的宽度。
  4. 根据权利要求3所述的触控结构的金属架桥，其特征在于，所述架桥端部的宽度大于10um。
  5. 根据权利要求4所述的触控结构的金属架桥，其特征在于，所述架桥端部的长度的取值范围是15～30um。
  6. 根据权利要求2-5任意一项所述的触控结构的金属架桥，其特征在于，所述第一分段与所述第二分段之间的夹角的取值范围是135～165°；所述第三分段与所述第二分段之间的夹角的取值范围是135～165°。
  7. 根据权利要求6所述的触控结构的金属架桥，其特征在于，所述第一分段与所述第二分段之间的夹角等于所述第三分段与所述第二分段之间的夹角。
  8. 根据权利要求2-5任意一项所述的触控结构的金属架桥，其特征在于，所述第一分段的宽度的取值范围是5～11um；所述第二分段的宽度的取值范围是5～11um；所述第三分段的宽度的取值范围是5～11um。
  9. 根据权利要求8所述的触控结构的金属架桥，其特征在于，所述第一分段、第二分段和第三分段的宽度相等。
  10. 根据权利要求2-5任意一项所述的触控结构的金属架桥，其特征在于，所述第一分段的长度的取值范围是70～90um；所述第二分段 的长度的取值范围是70～90um；所述第三分段的长度的取值范围是70～90um。
  11. 根据权利要求10所述的触控结构的金属架桥，其特征在于，所述第一分段、第二分段和第三分段的长度相等。
  12. 一种触摸屏，包括显示面板和触控结构，其特征在于，所述触控结构包括权利要求1-11任意一项所述的金属架桥。
  13. 一种电子设备，其特征在于，所述电子设备包括根据权利要求12所述的触摸屏。
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