CN102799329A - Projected capacitive touch screen panel with single-layer indium tin compound electrode - Google Patents
Projected capacitive touch screen panel with single-layer indium tin compound electrode Download PDFInfo
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- CN102799329A CN102799329A CN2012102604219A CN201210260421A CN102799329A CN 102799329 A CN102799329 A CN 102799329A CN 2012102604219 A CN2012102604219 A CN 2012102604219A CN 201210260421 A CN201210260421 A CN 201210260421A CN 102799329 A CN102799329 A CN 102799329A
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Abstract
The invention discloses a projected capacitive touch screen panel with a single-layer indium tin compound electrode, comprising a first protective layer, an indium tin compound electrode layer and a second protective layer, wherein the indium tin compound electrode layer consists of a plurality of basic units; each basic unit comprises an interdigital type induction region and two driving electrode wiring channels; the interdigital type induction region comprises an induction electrode and a driving electrode which are arranged in an interdigital way. Compared with the prior art, the projected capacitive touch screen panel with the single-layer indium tin compound electrode has the indium tin compound electrode layer, the induction electrode and the driving electrode of the indium tin compound electrode layer are located on the same ITO (Indium Tin Oxide) layer, thus the process complexity is lowered; and as the induction electrode and the driving electrode are not overlapped on the same layer, the bridging process in the traditional touch screen panel is not needed, the manufacturing cost is saved, and the problem of the raising reject ratio of the touch screen panel caused by breakage of a metal connection bridge is avoided. Meanwhile the invention discloses a projected capacitive touch screen.
Description
Technical field
The present invention relates to the touch induction device technical field, relate more specifically to a kind of projected capacitive touch panel with individual layer phosphide tin compound electrode.
Background technology
In recent years; Along with the develop rapidly of projected capacitive touch screen technology, increasing product begins to utilize touch-control system to accomplish the direct control to destination object, thereby replaces input equipments such as traditional mouse, keyboard; Thereby saved the space, make carry convenient.At present, projected capacitive touch screen technology is widely used in the handheld devices such as mobile phone, panel computer.
In existing projected capacitive touch panel, the ITO figure of common electrode layer mainly contains two kinds on the market: rhombus as shown in Figure 1 and dull and stereotyped hollow out figure as shown in Figure 2.Please refer to Fig. 1 and Fig. 1 a; Its induction electrode (directions X electrode) and drive electrode (Y direction electrode) constitute by basic diamond shaped blocks; And be distributed in two-layerly, the ITO figure of said induction electrode and drive electrode forms the electric field structure (shown in Fig. 1 a) that standard-sized sheet is put vertical direction overlapping hardly (only overlapping in the rhombus coupling part); Make finger touch can touch stronger, large-area electric field region, thereby produce stronger touch signal.And dull and stereotyped hollow out graphics panel shown in Figure 2 is the cross section at two flat poles (drive electrode of the induction electrode of directions X and Y direction); In said induction electrode uplifting window hollow out; Script closed electric field line between two pole plates can be leaked outside through the hollow out figure; Thereby can be produced touch signal by the finger disturbance.Can find out that from Fig. 1 a and Fig. 2 a rhombus panel shown in Figure 1 has the electric field structure that standard-sized sheet is put, the electric field line between pole plate is exposed to the space induction zone fully; Dull and stereotyped hollow out graphics panel shown in Figure 2 has the open electric field structure of part (electric field of going up the bottom crown lap still is in closed state), but because the downward function of shielding of said drive electrode makes it have noise shielding performance preferably.
Because there are overlapping situation in vertical direction in the induction electrode of above-mentioned two kinds of panel directions Xs and the drive electrode of Y direction; Therefore; In order to realize the insulation of lap, generally adopt following two kinds of methods to solve the overlap problem of ITO figure: a kind of is the implementation that adopts the described double-deck ITO electrode of Fig. 3, as shown in the figure; The drive electrode of the induction electrode of directions X and Y direction is realized on two-layer ITO respectively; Use transparent insulation material isolation such as glass between the two-layer ITO, need the protective seam of forward and backward layer glass as panel in addition, the structure of this double-deck ITO electrode goes for the realization of almost any ITO graphics panel.Another kind is the individual layer ITO electrode implementation that adopts the described bridging method of Fig. 4; As shown in the figure; The induction electrode of directions X and Y direction drive electrode are fabricated in on one deck glass; At the overlapping deposition insulating material and the bridge joint metal of ITO figure, the insulation that realizes X and Y direction ITO electrode be connected.Because the light transmission of bridge joint metal and insulating material is relatively poor; Therefore the method for individual layer ITO bridging is only applicable to the manufacturing of rhombus panel; Because the electrode crossing part of rhombus panel is less, insulating material and bridge joint metal occupy less area on panel, and be less to the light transmission influence of whole front panel.
Though above-mentioned two kinds of schemes can realize the insulation of lap, have following defective:
There is following shortcoming in capacitance touch screen panel for double-deck ITO shown in Figure 3 realizes:
(1) cost of touch panel is high: the touch panel that double-deck ITO realizes needs triplex glass and two-layer ITO electrode, and than the implementation of individual layer ITO, material cost is higher.Because the number of plies of panel is more, the processing step during manufacturing is loaded down with trivial details, and process is complicated, makes manufacturing cost increase;
(2) touch panel thickness increases, and is unfavorable for realizing the lightening of electronic product.
There is following shortcoming in capacitance touch screen panel for the individual layer ITO of employing bridging method shown in Figure 4 realizes:
(1) electroplated metal and insulating material can reduce the transparency of touch-screen, are not suitable for large tracts of land and use;
(2) manufacturing process is loaded down with trivial details, and process is complicated, and manufacturing cost increases;
(3) metal connects the bad yield that can reduce panel of fracture of bridge, raises the cost.
Therefore, be necessary to provide a kind of improved projected capacitive touch panel to overcome above-mentioned defective with individual layer phosphide tin compound electrode.
Summary of the invention
The purpose of this invention is to provide a kind of projected capacitive touch panel, to reduce manufacturing cost, reduce process complexity, to avoid the metal in the conventional touch screen panel to connect the problem that the bridge fracture causes the touch panel fraction defective to raise with individual layer phosphide tin compound electrode.
Another object of the present invention provides a kind of projected capacitive touch-screen, and its touch panel can reduce manufacturing cost, reduces process complexity, avoid the metal in the conventional touch screen panel to connect the problem that the bridge fracture causes the touch panel fraction defective to raise.
For realizing above-mentioned purpose; The invention provides a kind of projected capacitive touch panel with individual layer phosphide tin compound electrode; Comprise first protective seam, phosphide tin compound electrode layer and second protective seam; Two surfaces up and down of said phosphide tin compound electrode layer are covered by said first protective seam and second protective seam respectively, and wherein, said phosphide tin compound electrode layer is made up of a plurality of elementary cells; Laterally and vertically of plane, said phosphide tin compound electrode layer place; In the opposite direction between two adjacent said elementary cells, each said elementary cell comprises an interdigitation induction zone and two drive electrode wiring channels, and two said drive electrode wiring channels lay respectively at the both sides of said interdigitation induction zone; Said interdigitation induction zone comprises induction electrode and drive electrode, is interdigitated between said induction electrode and the drive electrode and arranges.
Compared with prior art; Because having the phosphide tin compound electrode layer of the projected capacitive touch panel of individual layer phosphide tin compound electrode is made up of a plurality of elementary cells; Each said elementary cell comprises an interdigitation induction zone and two drive electrode wiring channels; Two said drive electrode wiring channels lay respectively at the both sides of said interdigitation induction zone, and said interdigitation induction zone comprises induction electrode and drive electrode, is interdigitated between said induction electrode and the drive electrode and arranges; Be that said induction electrode and drive electrode are positioned at same ITO layer; Only need use the ITO engraving method of individual layer just can accomplish the manufacturing of said phosphide tin compound electrode layer during manufacturing; Reduced process complexity; And be between induction electrode that interdigitated arranges and the drive electrode non-overlapping on one deck; Need not the bridging technology in the conventional touch screen panel, thereby saved manufacturing cost, also avoided the metal in the conventional touch screen panel to connect the problem that the bridge fracture causes the touch panel fraction defective to raise effectively.
Particularly, said induction electrode is E type pectination, and said induction electrode has first base portion, and said first base portion stretches out to form and is a plurality of first serrations that stratiform is arranged, and a plurality of said first base portions are snakelike zigzag and arrange.
Particularly; Said drive electrode is F type pectination; Said drive electrode has second base portion, and said second base portion stretches out to form and is a plurality of second serrations that stratiform is arranged, and a plurality of said second base portions just are being, reversed F-typed arranging; And said first base portion and second base portion near two said drive electrode wiring channels, are interdigitated between said first serrations and second serrations and arrange respectively.
Preferably, each said elementary cell is rectangular.
Particularly, the length of each said elementary cell, width range are 4 ~ 7mm.
Preferably, said first protective seam and second protective seam are glass.
Correspondingly, the present invention provides a kind of projected capacitive touch-screen simultaneously, comprises touch panel and at the fringe region institute's deposit and the etched metal connecting line of said touch panel, wherein, said touch panel as stated.
Particularly, the material of said metal connecting line is an aluminium.
Particularly, the material of said metal connecting line is for using the formed silver conductive layer of conductive silver paste.
Through following description and combine accompanying drawing, it is more clear that the present invention will become, and these accompanying drawings are used to explain embodiments of the invention.
Description of drawings
Fig. 1 is the assume diamond in shape structural drawing of electrode layer of ITO figure of existing projected capacitive touch panel.
Fig. 1 a is the distribution map of the electric field after the A-A line shown in Figure 1 crosscut of edge.
Fig. 2 is the structural drawing of the electrode layer of dull and stereotyped hollow out ITO figure for existing projected capacitive touch panel.
Fig. 2 a is the distribution map of the electric field after the crosscut of the said B-B line of Fig. 2.
Fig. 3 is for having the structural drawing of the touch panel of double-deck ITO electrode in the prior art.
Fig. 4 is for having the structural drawing of the touch panel of individual layer ITO electrode in the prior art.
Fig. 5 has the structural drawing of projected capacitive touch panel one embodiment of individual layer phosphide tin compound electrode for the present invention.
Fig. 6 is the structural drawing of phosphide tin compound electrode layer shown in Figure 5, and wherein said phosphide tin compound electrode layer is by 16 4X4 arrays that elementary cell constituted.
Fig. 7 is the symbol table diagrammatic sketch of phosphide tin compound electrode layer shown in Figure 6.
Fig. 8 is the structural drawing of elementary cell shown in Figure 6.
Fig. 9 is the distribution map of the electric field after the C-C line shown in Figure 8 crosscut of edge.
Figure 10 is for finger gets into during elementary cell shown in Figure 8, the graph of a relation of finger touch position and the electric capacity of inducting.
Figure 11 is the layout viewing that phosphide tin compound electrode layer shown in Figure 6 is vertically gone up the induction electrode of four elementary cells of arranging.
Figure 12 is the layout viewing that phosphide tin compound electrode layer shown in Figure 6 is vertically gone up the drive electrode of four elementary cells of arranging.
Figure 13 is the structural drawing of projected capacitive touch-screen of the present invention.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, the similar elements label is represented similar elements in the accompanying drawing.
Please refer to Fig. 5; The preferred embodiment that the present invention has the projected capacitive touch panel 200 of individual layer phosphide tin compound electrode has been described; It comprises first protective seam 20, phosphide tin compound electrode layer 22 and second protective seam 24; Two surfaces up and down of said phosphide tin compound electrode layer 22 are covered by said first protective seam 20 and second protective seam 24 respectively, and the material of said first protective seam 20 and second protective seam 22 is glass.
Particularly, as shown in Figure 6, in the present embodiment, said phosphide tin compound electrode layer 22 is by 16 4X4 arrays that elementary cell constituted, and wherein, each said elementary cell is represented with symbol E, obtains Fig. 7.On horizontal (directions X) on plane, said phosphide tin compound electrode layer 22 place and vertical (the Y direction), in the opposite direction between two adjacent said elementary cells.
Particularly; As shown in Figure 8; Each said elementary cell comprises an interdigitation induction zone 221 and two drive electrode wiring channels 222; Two said drive electrode wiring channels 222 lay respectively at the both sides of said interdigitation induction zone 221, and said interdigitation induction zone 221 comprises induction electrode 221a and drive electrode 221b, are interdigitated between said induction electrode 221a and the drive electrode 221b and arrange.Said drive electrode wiring channel 222 is set; The drive electrode 221b of directions X is routed in the said drive electrode wiring channel 222 of Y direction; Be parallel with said induction electrode 221a when said like this drive electrode 221b gets into said interdigitation induction zone 221, avoided the ITO figure to intersect.Because said induction electrode 221a and drive electrode 221b are positioned on the same plane; Both non-overlappings; Can obtain the space electric field of opening as shown in Figure 9 after the C-C line shown in Figure 8 crosscut of edge; Therefore when finger gets into said interdigitation induction zone 221, can produce the electric capacity of inducting, and the area of the said interdigitation induction zone 221 of finger entering will directly influence the said changes in capacitance of inducting.
Particularly, please refer to Figure 10, is example with base unit rectangular-shaped, that width is 6mm, comes to set forth in detail finger and gets into the influence of said interdigitation induction zone 221 backs to the said electric capacity of inducting.As shown in the figure, the circle representative that is approximately said elementary cell width with a diameter is pointed, and progressively moves and pass through said interdigitation induction zone 221.(1) moves and progress into said interdigitation induction zone 221 (as described in Figure 10 along X1 → X2 → X3 → when the X4 direction moves) along directions X when finger, move the described relation curve of inducting between electric capacity and the X coordinate of below coordinate system of induct capacitance variations such as Figure 10 of causing along directions X.When finger is displaced to the process of X2 from X1, to point and do not get into said interdigitation induction zone 221, the electric capacity of inducting changes hardly; When finger got into X3 again to X4 from X2, the electric capacity of inducting experienced one from big to small, arrives big process again.Since electric capacity reduce or increase the process of not following linear change; Use an approximate curve to come among the figure with the approximate this electric capacity change procedure of inducting of linear change; With the poorest filling rate (area of said interdigitation induction zone 221 is called filling rate with the ratio of the area of whole said elementary cell) is 0.5 calculating; The X error of coordinate that curve of approximation obtains is no more than 25% (filling rate is big more, and this error is more little).(2) move and progress into said interdigitation induction zone 221 (as described in Figure 10 along Y1 → when the Y2 direction moves) along the Y direction when finger; The induct described relation curve of inducting between electric capacity and the Y coordinate of right-hand coordinate system of electric capacity such as Figure 10; Also be one from big to small; Arrive big process again, increase or reduce to change approximately linear.Therefore, extend above conclusion, from the approaching said elementary cell of any direction; Finger can be used the curve description that increases again from big to small of a linear change basically to the influence of the electric capacity of inducting, so on three-dimensional planar, induct electric capacity and position coordinates present reverse taper and concern; Promptly when finger center during at said elementary cell center; The electric capacity minimum of inducting, when the said elementary cell of mind-set edge moved in the finger, the electric capacity of inducting progressively increased.The electric capacity of this reverse taper is similar with the rhombus panel characteristics with the coordinate relation curve, can realize with the TFT unit being the fine granularity finger centre coordinate calculating of base unit according to this relation.
It should be noted that said phosphide tin compound electrode layer 22 can be made up of a plurality of said elementary cells; The shape of said elementary cell is not limited only to rectangle; Length, the width range of each said elementary cell are 4 ~ 7mm, near a size that refers to abdomen.
Please refer to Figure 11 and Figure 12 again, said induction electrode 221a is E type pectination, and it has the first base portion 221a1, and the said first base portion 221a1 stretches out to form and is a plurality of first serrations 221a2 that stratiform is arranged; Said drive electrode 221b is F type pectination; It has the second base portion 221b1; The said second base portion 221b1 stretches out to form and is a plurality of second serrations 221b2 that stratiform is arranged; And the said first base portion 221a1 and the second base portion 221b1 are interdigitated between the said first serrations 221a2 and the second serrations 221b2 and arrange respectively near two said drive electrode wiring channels 222.As shown in the figure; After two adjacent said elementary cells are arranged according to mode in the opposite direction on horizontal and vertical; Make said phosphide tin compound electrode layer 22 have following characteristic: (1) a plurality of said first base portion 221a1 are snakelike zigzag and arrange, and a plurality of said second base portion 221b1 just are being, reversed F-typed arranging.
Can draw by above description, arrange owing to be interdigitated between the second serrations 221b2 of the first serrations 221a2 of said induction electrode 221a and drive electrode 221b; Be that said induction electrode 221a and drive electrode 221b are positioned at same ITO layer; Only need use the ITO engraving method of individual layer just can accomplish the manufacturing of said phosphide tin compound electrode layer 22 during manufacturing; Reduced process complexity; And be between induction electrode 221a that interdigitated arranges and the drive electrode 221b non-overlapping on one deck; Need not the bridging technology in the conventional touch screen panel, thereby saved manufacturing cost, also avoided the metal in the conventional touch screen panel to connect the problem that the bridge fracture causes the touch panel fraction defective to raise.
Correspondingly; Shown in figure 13; The present invention also provides a kind of projected capacitive touch-screen 300, comprises touch panel 200 and at fringe region institute's deposit of said touch panel and etched metal connecting line (figure does not show), in the present embodiment; The material of said metal connecting line is an aluminium, perhaps the silver conductive layer for using conductive silver paste to form.It should be noted that owing to top and said touch panel 200 has been carried out detailed description, repeat no more at this.Wherein, Use flexible PCB (FPC) to connect between said induction electrode and the drive electrode; Use anisotropy electricity glued membrane to be connected between said flexible PCB and the said touch panel 200, said touch panel 200 uses said metal connecting line to realize and being connected of outside.
Particularly, in the present embodiment, (X1 ~ X8) drive electrode and 16 piece (Y1 ~ Y16) form by 8 by induction electrode for said touch panel 300.On said flexible PCB, all drive electrodes are interconnected and by a driving circuit drives.
The principle of work of projected capacitive touch-screen 300 of the present invention is following: (1) signal measurement; X1 is driven to the drive electrode of X8 one by one; And measure the capacitance of corresponding Y1 ~ Y16 induction electrode; Obtain 8X16 dot array data (a 2) finger detection and center calculation:, obtain finger touch information (place, touch point signal is less, and non-touch point signal is stronger) according to the capacitance of dot array data zones of different.The data matrix coordinate in the strong zone of basis signal is confirmed coarseness finger coordinate, according to coarseness numerical coordinates and signal amplitude, adopts the way of linear interpolation to calculate fine-grained finger centre coordinate, to accomplish the identification to finger.
Invention has been described more than to combine most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain various modification, equivalent combinations of carrying out according to essence of the present invention.
Claims (9)
1. projected capacitive touch panel with individual layer phosphide tin compound electrode; Comprise first protective seam, phosphide tin compound electrode layer and second protective seam; Two surfaces up and down of said phosphide tin compound electrode layer are covered by said first protective seam and second protective seam respectively; It is characterized in that: said phosphide tin compound electrode layer is made up of a plurality of elementary cells, and is laterally and vertically of plane, said phosphide tin compound electrode layer place, in the opposite direction between two adjacent said elementary cells; Each said elementary cell comprises an interdigitation induction zone and two drive electrode wiring channels; Two said drive electrode wiring channels lay respectively at the both sides of said interdigitation induction zone, and said interdigitation induction zone comprises induction electrode and drive electrode, is interdigitated between said induction electrode and the drive electrode and arranges.
2. the projected capacitive touch panel with individual layer phosphide tin compound electrode as claimed in claim 1; It is characterized in that: said induction electrode is E type pectination; Said induction electrode has first base portion; Said first base portion stretches out to form and is a plurality of first serrations that stratiform is arranged, and a plurality of said first base portions are snakelike zigzag and arrange.
3. the projected capacitive touch panel with individual layer phosphide tin compound electrode as claimed in claim 2; It is characterized in that: said drive electrode is F type pectination; Said drive electrode has second base portion; Said second base portion stretches out to form and is a plurality of second serrations that stratiform is arranged; A plurality of said second base portions just are being, reversed F-typed arranging, and said first base portion and second base portion are interdigitated between said first serrations and second serrations and arrange respectively near two said drive electrode wiring channels.
4. the projected capacitive touch panel with individual layer phosphide tin compound electrode as claimed in claim 1 is characterized in that: each said elementary cell is rectangular.
5. the projected capacitive touch panel with individual layer phosphide tin compound electrode as claimed in claim 4 is characterized in that: length, the width range of each said elementary cell are 4 ~ 7mm.
6. like each described projected capacitive touch panel with individual layer phosphide tin compound electrode of claim 1-5, it is characterized in that: said first protective seam and second protective seam are glass.
7. projected capacitive touch-screen comprises touch panel and at the fringe region institute's deposit and the etched metal connecting line of said touch panel, it is characterized in that: each is said for said touch panel such as claim 1-6.
8. projected capacitive touch-screen as claimed in claim 7 is characterized in that: the material of said metal connecting line is an aluminium.
9. projected capacitive touch-screen as claimed in claim 7 is characterized in that: the material of said metal connecting line is for using the formed silver conductive layer of conductive silver paste.
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| CN201210260421.9A CN102799329B (en) | 2012-07-25 | 2012-07-25 | Projected capacitive touch screen panel with single-layer indium tin compound electrode |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103105991A (en) * | 2013-01-25 | 2013-05-15 | 深圳市汇顶科技股份有限公司 | Monolayer capacitance touch sensor and touch control terminal |
| CN103116427A (en) * | 2012-12-10 | 2013-05-22 | 漳州宝发光电科技有限公司 | Bridging and wire-leading sensor of monolayer multi-point touch screen and forming process thereof |
| CN103336635A (en) * | 2013-05-13 | 2013-10-02 | 京东方科技集团股份有限公司 | Capacitive in-cell touch panel and display device |
| WO2014131227A1 (en) * | 2013-02-26 | 2014-09-04 | 北京京东方光电科技有限公司 | One glass solution touch panel and manufacturing method therefor, and touchscreen display |
| US20150022989A1 (en) * | 2013-07-22 | 2015-01-22 | Synaptics Incorporated | Utilizing chip-on-glass technology to jumper routing traces |
| CN104657021A (en) * | 2015-02-28 | 2015-05-27 | 深圳市华星光电技术有限公司 | Embedded touch structure and liquid crystal display panel with embedded touch structure |
| CN107430468A (en) * | 2015-03-10 | 2017-12-01 | 瑟克公司 | The method for reducing the electrode path in single-layer touch sensor |
| CN110134273A (en) * | 2019-04-23 | 2019-08-16 | 精电(河源)显示技术有限公司 | A kind of inductive layer and its touch device with force snesor |
| CN110134272A (en) * | 2019-04-23 | 2019-08-16 | 精电(河源)显示技术有限公司 | A kind of inductive layer and its touch device with force snesor |
| CN114846379A (en) * | 2019-12-19 | 2022-08-02 | ams传感器新加坡私人有限公司 | Optical assembly |
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| CN103116427A (en) * | 2012-12-10 | 2013-05-22 | 漳州宝发光电科技有限公司 | Bridging and wire-leading sensor of monolayer multi-point touch screen and forming process thereof |
| CN103105991B (en) * | 2013-01-25 | 2016-04-06 | 深圳市汇顶科技股份有限公司 | Individual layer capacitive touch screen and touch control terminal |
| US9501192B2 (en) | 2013-01-25 | 2016-11-22 | Shenzhen Huiding Technology Co., Ltd. | Single-layer capacitive touch sensor and touch control terminal |
| WO2014114147A1 (en) * | 2013-01-25 | 2014-07-31 | 深圳市汇顶科技股份有限公司 | Single-layer capacitive touch sensor and touch control terminal |
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| WO2014131227A1 (en) * | 2013-02-26 | 2014-09-04 | 北京京东方光电科技有限公司 | One glass solution touch panel and manufacturing method therefor, and touchscreen display |
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| CN103336635A (en) * | 2013-05-13 | 2013-10-02 | 京东方科技集团股份有限公司 | Capacitive in-cell touch panel and display device |
| US9547384B2 (en) | 2013-05-13 | 2017-01-17 | Boe Technology Group Co., Ltd. | Capacitive in-cell touch panel and display device |
| US20150022989A1 (en) * | 2013-07-22 | 2015-01-22 | Synaptics Incorporated | Utilizing chip-on-glass technology to jumper routing traces |
| US9639214B2 (en) * | 2013-07-22 | 2017-05-02 | Synaptics Incorporated | Utilizing chip-on-glass technology to jumper routing traces |
| CN104657021A (en) * | 2015-02-28 | 2015-05-27 | 深圳市华星光电技术有限公司 | Embedded touch structure and liquid crystal display panel with embedded touch structure |
| CN107430468A (en) * | 2015-03-10 | 2017-12-01 | 瑟克公司 | The method for reducing the electrode path in single-layer touch sensor |
| CN107430468B (en) * | 2015-03-10 | 2020-10-16 | 瑟克公司 | Method for reducing electrode paths on a single layer touch sensor |
| CN110134273A (en) * | 2019-04-23 | 2019-08-16 | 精电(河源)显示技术有限公司 | A kind of inductive layer and its touch device with force snesor |
| CN110134272A (en) * | 2019-04-23 | 2019-08-16 | 精电(河源)显示技术有限公司 | A kind of inductive layer and its touch device with force snesor |
| CN114846379A (en) * | 2019-12-19 | 2022-08-02 | ams传感器新加坡私人有限公司 | Optical assembly |
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