WO2014161243A1 - 触摸屏 - Google Patents
触摸屏 Download PDFInfo
- Publication number
- WO2014161243A1 WO2014161243A1 PCT/CN2013/079161 CN2013079161W WO2014161243A1 WO 2014161243 A1 WO2014161243 A1 WO 2014161243A1 CN 2013079161 W CN2013079161 W CN 2013079161W WO 2014161243 A1 WO2014161243 A1 WO 2014161243A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polymer layer
- touch screen
- layer
- lead
- screen according
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 claims abstract description 110
- 239000004020 conductor Substances 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 140
- 239000011521 glass Substances 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 10
- 229920002120 photoresistant polymer Polymers 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 8
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
Definitions
- the present invention relates to the field of touch, and in particular to a touch screen. Background technique
- the touch screen also known as “touch screen” or “touch panel” is an inductive liquid crystal display device that can receive input signals such as contacts.
- the on-screen tactile feedback system can drive various linkage devices according to a pre-programmed program, which can be used to replace the mechanical button panel and create a live-action audio and video effect through the liquid crystal display.
- the touch screen is the simplest, most convenient and natural way of human-computer interaction.
- Capacitive touch screens use the current sensing of the human body to work.
- the capacitive touch screen is a four-layer composite glass screen. The inner surface and the interlayer of the glass screen are coated with a layer of germanium (Indium Tin Oxide transparent conductive film).
- the outermost layer is a thin layer of bauxite glass protective layer.
- the interlayer ITO coating is used as the interlayer.
- the working surface has four electrodes on the four corners, and the inner layer ⁇ is a shielding layer to ensure a good working environment.
- the finger touches the metal layer the user and the surface of the touch screen form a coupling capacitor due to the human body electric field.
- the capacitor is a direct conductor, and the finger sucks a small current from the contact point. This current is discharged from the electrodes on the four corners of the touch screen, and the current flowing through the four electrodes is proportional to the distance from the finger to the four corners.
- the controller calculates the position of the touch point by accurately calculating the ratio of the four currents. .
- OGS One Glass Solution
- the benefits of 0GS have three points: (1) saving a layer of glass cost and reducing the cost of a single paste; (2) reducing the weight; (3) increasing the transmittance.
- 0GS can better meet the ultra-thinning requirements of smart terminals and improve the display effect. It is an inevitable choice for high-end brand terminals next year. current
- the 0GS touch screen is mainly used to lay IT0 on the surface of the protective glass, so that the protective glass acts both as a sensor and as a protection; IT0 is raised on the surface of the glass.
- the conductive material of the existing OGS is disposed on the surface of the glass, and the ITO is raised on the surface.
- the conductive material is easily scratched, resulting in damage to the device, which cannot be used normally.
- the main material of OGS is ITO.
- the main material of ITO is mainly rare metal indium.
- the indium material is rare, so the cost is relatively expensive, and in the process of production. Need to do the lamination process, the cost is relatively high. Summary of the invention
- a touch screen includes a position sensing component and a display component, the position sensing component comprising: a substrate including a first surface and a second surface opposite to the first surface; a first polymer layer formed on the a first surface of the substrate; a conductive material embedded in the first polymer layer to form a first conductive region and a first lead on the surface of the first polymer layer; and a second polymer layer formed in the On the surface of the first polymer layer; a conductive material is embedded in the second polymer layer to form a second conductive region and a second lead on the surface of the second polymer layer.
- the first polymer layer and the second polymer layer form a grid-like trench; the conductive material is filled in the trench.
- the first lead and the second lead grid-like trench have a mesh period of less than 50 and a transmittance of less than 70%.
- the grid-like grooves are regular grids or random grids.
- the ratio of the depth to the width of the trenches in the first polymer layer and the second polymer layer is greater than one.
- the second polymer layer is further provided with a notch, the pin of the first lead is located in the notch, and the second lead is disposed on a surface of the second polymer layer.
- the position sensing component is coupled to the display component by an optical glue.
- the touch screen further includes a light shielding layer, the light shielding layer is located between the first polymer layer and the substrate; or between the second polymer layer and the optical glue .
- the light shielding layer is located between the second polymer layer and the optical glue, wherein the length of the second polymer layer is shorter than the length of the first polymer layer and the light shielding layer, The first lead and the second lead are led out through the through hole on the light shielding layer.
- the second polymer layer is provided with a protective layer on the surface thereof to prevent oxidation of the conductive material.
- the light shielding layer is an ink layer or a black photoresist layer and has a thickness of 1 to 10 ⁇ m.
- the substrate is glass.
- the above touch screen saves the existing transparent conductive film, and the conductive effect is achieved by embedding the conductive material in the first and second polymer layers, and the material cost is low.
- the touch screen has a simple process and a low production cost in the process of production bonding.
- FIG. 1 is a cross-sectional view showing a first embodiment of a touch panel of the present embodiment.
- FIG 2 is another schematic cross-sectional view of the first embodiment of the touch screen of the embodiment.
- FIG. 3 is a perspective view of the position sensing assembly of the first embodiment of the touch screen of the embodiment.
- 4 is a schematic diagram of a groove of the touch screen position sensing assembly shown in FIG. 3 as a random grid.
- FIG. 7 is another schematic cross-sectional view of a second embodiment of the touch screen of the embodiment.
- FIG. 8 is a partially exploded perspective view of the second embodiment of the touch screen of the embodiment.
- FIG. 9 is a cross-sectional view showing a third embodiment of the touch panel of the embodiment.
- FIG. 10 is another schematic cross-sectional view showing a third embodiment of the touch screen of the embodiment.
- Figure 11 is a partially exploded perspective view of the third embodiment of the touch screen of the present embodiment.
- FIG. 12 is a partial perspective view of a third embodiment of the touch screen of the embodiment. detailed description
- the touch screen 100 includes Position sensing component 110 and display component 120
- the position sensing component 110 includes a substrate 111, a first polymer layer 112, and a second polymer layer 113.
- the substrate 111 includes a first surface 1111 and a second surface 1112 opposite the first surface 1111.
- the first polymer layer 112 is formed on the first surface 1111 of the substrate 111; the first polymer layer 112 is embedded with a conductive material to form the first conductive region 114 and the first lead on the surface of the first polymer layer 112. 115.
- the second polymer layer 113 is formed on the surface of the first polymer layer 112; the second polymer layer 113 is embedded with a conductive material to form the second conductive region 116 and the second lead 117 on the surface of the second polymer layer 113.
- the position sensing assembly 110 and the display assembly 120 are coupled by an optical glue 130.
- the substrate 111 is made of glass.
- a notch 1131 is further provided on the second polymer layer 113.
- the lead of the first lead 115 is located in the notch 1131.
- the second lead 117 is disposed on the surface of the second polymer layer 113.
- the conductive material is embedded in the first polymer layer 112 and the second polymer layer 113 by the following specific manner: the surfaces of the first polymer layer 112 and the second polymer layer 112 are patterned to form a grid-like groove. 118. A conductive material is filled in the trench.
- the trenches are random meshes, and the random meshes are evenly distributed in all directions.
- the grooves can also be regular grids that are evenly distributed in all directions.
- the first polymer layer 112 and the grooves in the second polymer layer 113 may have the same form or different forms.
- the ratio of the depth to the width of the trench can be made greater than one.
- the trenches in the first lead 115 and the second lead 117 have a width of 1 to 5 micrometers, a depth of 2 to 6 micrometers, a mesh period of less than 50, and a transmittance of less than 70%; The overshoot rate is greater than 88.4%.
- the optical adhesive 130 having no oxidizing property may be used, or the following scheme may be adopted.
- the second polymer layer 113 is provided with a protective layer on the surface of the second polymer layer 113 to prevent the conductive material 114 from being oxidized. , its thickness is 1 micron.
- the touch screen 100 of the present embodiment saves the transparent conductive film, and the conductive effect is achieved by embedding the conductive material in the first and second polymer layers, and the material cost is low.
- the touch screen 100 has a simple process, a high production efficiency, a lower production cost, and a lighter weight in the process of producing the bonding, and the touch screen 100 is made thinner overall due to the conductive material being embedded in the first and second polymer layers.
- a second embodiment of the touch screen of the present embodiment is similar to the touch screen 100 .
- the touch screen 200 also includes a position sensing component 210 and a display component 220 .
- the position sensing assembly 210 also includes a substrate 211, a first polymer layer 212, and a second polymer layer 213.
- a conductive material is embedded in the first polymer layer 212 to form a first conductive region 214 and a first lead 215 on the surface of the first polymer layer 212.
- the second polymer layer 213 is formed on the surface of the first polymer layer 212; the second polymer layer 213 is embedded with a conductive material to form a second conductive region 216 and a second lead on the surface of the second polymer layer 213. 217.
- the position sensing assembly 210 is coupled to the display assembly 220 by an optical glue 230.
- the touch screen 200 further includes a light shielding layer 240 between the first polymer layer 212 and the substrate 211.
- the light shielding layer 240 is an ink layer or a black photoresist layer and has a thickness of 1 to 10 ⁇ m.
- the thickness of the ink layer can be 6 microns
- the thickness of the black photoresist layer can be 1 micron.
- a notch 2131 is further disposed on the second polymer layer 213.
- the lead of the first lead 215 is located in the notch 2131.
- the second lead 217 is disposed on the surface of the second polymer layer 213.
- the touch screen 200 of the present embodiment saves the transparent conductive film, and the conductive effect is achieved by embedding the conductive material in the first and second polymer layers, and the material cost is low.
- the touch screen 200 has a simple process in the process of production bonding, improves production efficiency, is low in production cost, and is lighter in weight, and the conductive screen is embedded in the first and second polymer layers to make the touch screen 200 structure thinner overall.
- the touch screen 200 is also provided with a light shielding layer 240.
- the third embodiment of the touch screen of the present embodiment is similar to the touch screen 200 .
- the touch screen 300 of the embodiment also includes a position sensing component 310 and a display component 320 .
- the position sensing assembly 310 also includes a substrate 311, a first polymer layer 312, and a second polymer layer 313.
- a conductive material is embedded in the first polymer layer 312 to form a first conductive region 314 and a first lead 315 on the surface of the first polymer layer 312.
- a second polymer layer 313 is formed on the surface of the first polymer layer 312; a conductive material is embedded in the second polymer layer 313 to form a second conductive region 316 and a second lead on the surface of the second polymer layer 313 317.
- the position sensing assembly 310 is coupled to the display assembly 320 by an optical glue 330.
- the touch screen 300 is also provided with a light shielding layer 340.
- the touch screen 300 of the third embodiment 300 differs from the touch screen 200 of the second embodiment mainly in the position of the light shielding layer.
- the light shielding layer 340 is located on the surface of the second polymer layer 313, that is, between the second polymer layer 313 and the optical glue 330. As shown in FIG.
- the base 311 and the first polymer layer 312 of the position sensing component 310 have the same length a
- the second polymer layer 313 has a length b, b ⁇ a
- the length of the light shielding layer 340 is also ⁇
- the first polymer layer 312 is located above the substrate 311, the second polymer layer 313 is located above the first polymer layer 312, and the display assembly 320 is located above the light shielding layer 340.
- the length of the second polymer layer 313 is shorter than the length of the first polymer layer 312, and when the second polymer layer 313 is located on the first polymer layer 312, one end of the first polymer layer 312 is exposed. It comes out to form an area, and the first lead 315 is exposed to the area.
- the light shielding layer 340 is located on the second polymer layer 313 and the above region (relative to the first polymer layer 312 exposed by the second polymer layer 313), in order to facilitate the implementation of the first lead 315 of the touch screen 300,
- the two leads 317 are connected to the external flexible circuit board, and the first lead 315 and the second lead 317 are led out through the through hole, and the position of the through hole of the first lead 315 is taken out of the second polymer layer 313.
- the through hole of the second lead 317 is drawn directly above the second polymer layer 313.
- Conductive materials are respectively embedded in the through holes, and the first leads 315 and the second leads 317 are drawn into the holes of the light shielding layer 340 to the upper surface of the light shielding layer 340. As shown in Fig. 11, the first lead 315 and the second lead 317 are connected to the flexible circuit board in the same plane.
- the touch screen 300 of the present embodiment saves the transparent conductive film, and the conductive effect is achieved by embedding the conductive material in the first and second polymer layers, and the material cost is low.
- the touch screen 300 has a simple process in the process of production bonding, improves production efficiency, has lower production cost, is lighter in weight, and is made to be touched by the conductive material embedded in the first and second polymer layers.
- the screen 300 structure is thinner overall.
- the touch screen 300 is also provided with a light shielding layer 340.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015509298A JP2015515705A (ja) | 2013-03-30 | 2013-07-10 | タッチスクリーン |
KR1020137026488A KR101574401B1 (ko) | 2013-03-30 | 2013-07-10 | 터치 스크린 |
US13/968,320 US9639215B2 (en) | 2013-03-30 | 2013-08-15 | Touch screen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310109657.7A CN103164082B (zh) | 2013-03-30 | 2013-03-30 | 触摸屏 |
CN201310109657.7 | 2013-03-30 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/968,320 Continuation US9639215B2 (en) | 2013-03-30 | 2013-08-15 | Touch screen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014161243A1 true WO2014161243A1 (zh) | 2014-10-09 |
Family
ID=48587226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2013/079161 WO2014161243A1 (zh) | 2013-03-30 | 2013-07-10 | 触摸屏 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2015515705A (zh) |
KR (1) | KR101574401B1 (zh) |
CN (1) | CN103164082B (zh) |
TW (1) | TWI506500B (zh) |
WO (1) | WO2014161243A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103164082B (zh) * | 2013-03-30 | 2015-07-08 | 深圳欧菲光科技股份有限公司 | 触摸屏 |
US9639215B2 (en) | 2013-03-30 | 2017-05-02 | Shenzhen O-Film Tech Co., Ltd. | Touch screen |
CN103593102A (zh) * | 2013-09-30 | 2014-02-19 | 湖州健邦科技有限公司 | 电容式触摸屏及其制作方法 |
CN106293172B (zh) * | 2015-05-20 | 2024-04-30 | 安徽精卓光显技术有限责任公司 | 触控面板及其制作方法 |
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CN101206658A (zh) * | 2006-12-21 | 2008-06-25 | 鸿富锦精密工业(深圳)有限公司 | 图片显示装置及方法 |
CN201465069U (zh) * | 2009-06-22 | 2010-05-12 | 比亚迪股份有限公司 | 一种多点触摸屏 |
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CN103164082A (zh) * | 2013-03-30 | 2013-06-19 | 深圳欧菲光科技股份有限公司 | 触摸屏 |
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JP2009205379A (ja) * | 2008-02-27 | 2009-09-10 | Seiko Instruments Inc | タッチパネル付き表示装置 |
CN201489500U (zh) * | 2009-08-27 | 2010-05-26 | 北京汇冠新技术股份有限公司 | 一种触摸屏 |
EP2482172A1 (en) * | 2009-10-30 | 2012-08-01 | Sharp Kabushiki Kaisha | Display device with touch panel |
TWI461996B (zh) * | 2010-03-03 | 2014-11-21 | Miraenanotech Co Ltd | 靜電容式觸控面板及其製造方法 |
JP2011186717A (ja) * | 2010-03-08 | 2011-09-22 | Daiwa Sangyo:Kk | 静電容量型タッチパネルとその製造方法 |
JP2011248629A (ja) * | 2010-05-27 | 2011-12-08 | Meihan Shinku Kogyo Kk | 透明導電性基材 |
CN103097993A (zh) * | 2010-06-16 | 2013-05-08 | 三元St株式会社 | 触摸面板传感器 |
KR20120012005A (ko) * | 2010-07-30 | 2012-02-09 | 일진디스플레이(주) | 전극 배선 구조 및 이를 이용한 정전용량 터치 센서 |
CN103168285B (zh) * | 2010-10-19 | 2016-05-11 | Lg化学株式会社 | 包括导电图形的触摸面板及其制备方法 |
KR101224419B1 (ko) * | 2010-10-26 | 2013-01-22 | (주)삼원에스티 | 터치패널센서 |
KR101303635B1 (ko) * | 2011-05-26 | 2013-09-11 | 엘지이노텍 주식회사 | 터치윈도우 |
KR101907484B1 (ko) * | 2011-07-21 | 2018-12-05 | 미래나노텍(주) | 터치 스크린 패널 제조 장치 및 제조 방법 |
TWI471774B (zh) * | 2011-09-30 | 2015-02-01 | Wintek Corp | 觸控裝置及觸控顯示裝置 |
CN102830851B (zh) * | 2012-09-25 | 2015-05-13 | 信利光电股份有限公司 | 触摸屏及其制作方法 |
CN102903423B (zh) * | 2012-10-25 | 2015-05-13 | 南昌欧菲光科技有限公司 | 透明导电膜中的导电结构、透明导电膜及制作方法 |
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2013
- 2013-03-30 CN CN201310109657.7A patent/CN103164082B/zh active Active
- 2013-07-10 KR KR1020137026488A patent/KR101574401B1/ko not_active IP Right Cessation
- 2013-07-10 JP JP2015509298A patent/JP2015515705A/ja active Pending
- 2013-07-10 WO PCT/CN2013/079161 patent/WO2014161243A1/zh active Application Filing
- 2013-08-26 TW TW102130452A patent/TWI506500B/zh not_active IP Right Cessation
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CN101206658A (zh) * | 2006-12-21 | 2008-06-25 | 鸿富锦精密工业(深圳)有限公司 | 图片显示装置及方法 |
US20100281409A1 (en) * | 2009-04-30 | 2010-11-04 | Nokia Corporation | Apparatus and method for handling notifications within a communications device |
CN201465069U (zh) * | 2009-06-22 | 2010-05-12 | 比亚迪股份有限公司 | 一种多点触摸屏 |
CN103164082A (zh) * | 2013-03-30 | 2013-06-19 | 深圳欧菲光科技股份有限公司 | 触摸屏 |
Also Published As
Publication number | Publication date |
---|---|
KR20140127737A (ko) | 2014-11-04 |
KR101574401B1 (ko) | 2015-12-03 |
TWI506500B (zh) | 2015-11-01 |
CN103164082B (zh) | 2015-07-08 |
CN103164082A (zh) | 2013-06-19 |
JP2015515705A (ja) | 2015-05-28 |
TW201437870A (zh) | 2014-10-01 |
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