WO2013163927A1 - 一种电容式触摸屏及终端 - Google Patents
一种电容式触摸屏及终端 Download PDFInfo
- Publication number
- WO2013163927A1 WO2013163927A1 PCT/CN2013/074443 CN2013074443W WO2013163927A1 WO 2013163927 A1 WO2013163927 A1 WO 2013163927A1 CN 2013074443 W CN2013074443 W CN 2013074443W WO 2013163927 A1 WO2013163927 A1 WO 2013163927A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- pattern
- graphic
- area
- sensing
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1643—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being associated to a digitizer, e.g. laptops that can be used as penpads
-
- 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
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
-
- 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
- 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
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
-
- 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
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Definitions
- each conductive pattern generally includes a horizontal slider and a vertical slider, and the horizontal slider is a horizontal electrode (X electrode), which is transparent IT0 in the horizontal direction (X direction).
- X electrode horizontal electrode
- Figure 1 The vertical direction slider, i.e., the vertical electrode (Y electrode), is a pattern 2 of transparent IT0 in the vertical direction (Y direction).
- the X electrode and the Y electrode have no upper and lower layer limitation, and the cover plate 4 (Cover Lens) is adhered to the substrate 6 on which the IT0 pattern is formed by an optical adhesive (OCA, Optical Clear Adhhesive). on.
- OCA optical Clear Adhhesive
- the blank pattern represents the X electrode 1
- the pattern of the diagonal strip represents the ⁇ electrode 2.
- the X electrode 1 is connected to the touch IC through the X-directional lead 11 from both sides of the entire conductive pattern
- the ⁇ electrode 2 is connected to the touch IC through the ⁇ -directional lead 21 from the lower side of the entire conductive pattern.
- the embodiment of the invention provides a capacitive touch screen and a terminal, which can reduce the width of the terminal frame without setting a border for covering the outgoing area.
- the embodiment of the present invention adopts the following technical solutions:
- a capacitive touch screen includes: a substrate, the substrate includes a first surface and a second surface, wherein the touch screen further comprises: a first graphic and a first outgoing line formed on the first surface of the substrate The first pattern covers a partial area of the first surface of the substrate, the first outgoing line is an outgoing line of the first pattern in a first direction, and the first outgoing line is formed on a first surface of the substrate a remaining area other than the first pattern; a second pattern and a second line formed on the second surface of the substrate, the second pattern covering a partial area of the second surface of the substrate, the second An outgoing line is an outgoing line of the second pattern along the first direction, and the second outgoing line is formed at a remaining area of the second surface of the substrate other than the second pattern; wherein the first surface and the The second surface is two opposite surfaces of the substrate; a vertical projection of the second pattern on the first surface covers at least a remaining area on the first surface other than the first pattern.
- the embodiment of the invention further provides a terminal, comprising a touch screen, wherein the touch screen is a capacitive touch screen as described above.
- An embodiment of the present invention further provides a terminal, including a touch screen, the touch screen includes a substrate, the substrate includes a first surface and a second surface, and the touch screen further includes a first graphic formed on the first surface of the substrate And a second pattern formed on the second surface of the substrate, the first pattern covering a partial region of the first surface of the substrate, the second pattern covering a partial region of the second surface of the substrate, The first surface and the second surface are two opposite surfaces of the substrate, and a vertical projection of the second pattern on the first surface covers at least the first surface except the first graphic
- the terminal further includes: a first scanning unit, configured to acquire the first sensing coordinate by scanning the first graphic; and a second scanning unit, configured to acquire the second sensing by scanning the second graphic a superposition unit, configured to acquire sensing coordinates according to the first sensing coordinate and the second sensing coordinate.
- the second surface forms a second pattern, so that each surface of the substrate can be freed out of a certain area outside the conductive pattern, due to the first surface
- the first pattern and the second pattern of the second surface exhibit a complementary relationship, so that the touch screen sensing of the entire substrate can be completed by the mutual cooperation of the conductive patterns of the two surfaces.
- This can eliminate the border existing in the current terminal, thereby reducing the width of the terminal border.
- FIG. 1 is a schematic cross-sectional view showing a layer structure of a capacitive sensor device of a touch panel in the prior art
- FIG. 2 is a schematic diagram of an IT0 pattern of a capacitive sensor device of a prior art touch screen and its connection with a touch IC;
- FIG. 3 is a schematic structural view of a cover plate and a frame of a touch screen in the prior art
- FIG. 4 is a schematic structural view of a combination of an IT0 pattern and a frame of a capacitive sensor device in the prior art
- FIG. 5 is a schematic cross-sectional view showing a layer structure of a capacitive touch screen according to an embodiment of the present invention
- FIG. 6 is a schematic diagram of a first surface of a capacitive touch screen according to an embodiment of the present invention.
- FIG. 7 is a schematic diagram of a second surface of a capacitive touch screen according to an embodiment of the present invention.
- FIG. 8 is a schematic diagram of a technical effect of a capacitive touch screen applied to a terminal according to an embodiment of the present invention
- FIG. 9 is a schematic structural diagram of a terminal according to Embodiment 4 of the present invention.
- the embodiment of the invention provides a capacitive touch screen and a terminal, which can reduce the width of the terminal frame without setting a frame for covering the line area while ensuring the touch performance of the touch display screen.
- Example 1
- Embodiment 1 of the present invention provides a capacitive touch screen
- FIG. 5 is an implementation manner of the technical solution provided by Embodiment 1 of the present invention.
- the capacitive touch screen includes a substrate 6, and the substrate includes a first surface and a second surface.
- the touch screen further includes:
- first pattern 8 and a first exit line 81 Forming a first pattern 8 and a first exit line 81 on the first surface of the substrate, the first pattern covering the a partial region of the first surface of the substrate, the first outgoing line is an outgoing line of the first pattern in a first direction, and the first outgoing line is formed on a remaining area of the first surface of the substrate other than the first pattern .
- the second pattern 9 and a second line 91 formed on the second surface of the substrate the second pattern covering a partial area of the second surface of the substrate, the second line being the second pattern edge
- the outgoing line in the first direction, the second outgoing line is formed on a remaining area of the second surface of the substrate other than the second pattern.
- the first pattern 8 and the second pattern 9 are conductive patterns, that is, patterns formed of a conductive material.
- the conductive material may be an Indium Tin Oxide (IT0) material
- the first The outlet 81 and the second outlet 91 are made of a transparent material.
- the material of the outlet may be an Indium Tin Oxide (ITO) material.
- first surface and the second surface are two opposite surfaces of the substrate; a vertical projection of the second pattern on the first surface covers at least the first surface except the first The remaining area outside the graph.
- the second surface forms a second pattern, so that each surface of the substrate can be freed out of a certain area outside the conductive pattern, due to the first surface
- the first pattern and the second pattern of the second surface exhibit a complementary relationship, so that the touch screen sensing of the entire substrate can be completed by the mutual cooperation of the conductive patterns of the two surfaces. This eliminates the borders present in the current terminal, thereby reducing the width of the terminal border.
- Embodiment 2 of the present invention provides a capacitive touch screen, which is a specific implementation of the technical solution provided by Embodiment 1.
- FIG. 5 is a schematic cross-sectional view of a capacitive touch screen according to Embodiment 2 of the present invention.
- the capacitive touch screen includes a substrate 6 , and a cover 4 is disposed outside the touch screen substrate, and the display 7 is a display, and the display may be a liquid crystal display LCD or a light emitting diode (LED) or other kinds of The display is not limited in this embodiment of the present invention.
- the second embodiment of the present invention mainly describes the touch screen provided by the embodiment.
- the first surface of the substrate 6 is the upper surface of the substrate, and the second surface of the substrate 6 is the substrate. lower surface.
- the first pattern extends from a first side of the substrate and covers a partial area of the first surface of the substrate;
- the second pattern extends from a second side of the substrate, and a partial region covering the second surface of the substrate; wherein the first side and the second side are two opposite sides of the substrate, in the second embodiment of the present invention, the first side The side is the right side of the substrate, the second side is the left side of the substrate, the first pattern 8 is formed on the upper surface of the substrate 6, and the first pattern 8 is in the The right side of the upper surface of the substrate 6 begins to extend, And covering a partial area of the upper surface of the substrate, the remaining area except the first pattern is used to perform the first direction outgoing line of the first pattern 8, that is, the first outgoing line 81.
- the second pattern 9 is formed on a lower surface of the substrate 6, and the second pattern 9 starts to extend on a left side of the lower surface of the substrate 6, and covers a partial area of the lower surface of the substrate, except The remaining area other than the two patterns is used to perform the first direction outgoing line of the second pattern 9, that is, the second outgoing line 91.
- the first surface of the substrate is as shown in FIG. 6, and a first pattern 8 is formed on the first surface of the substrate, and the first pattern 8 includes a horizontal direction (ie, an X direction).
- the sliders in the strip and the vertical direction i.e., the Y direction
- a blank pattern indicates a horizontal slider
- a diagonal strip indicates a vertical slider.
- the first direction is set to the horizontal direction, that is, the X direction.
- the first outgoing line 81 is an outgoing line of the slider of the first pattern 8 in the horizontal direction, and is formed on a remaining area of the first surface of the substrate other than the first pattern 8. In the embodiment of the present invention, all the outgoing lines in the horizontal direction can be walked to the left side of the first figure 8 by the outgoing line process of the conductive pattern.
- the second surface of the substrate is as shown in FIG. 7, and a second pattern 9 is formed on the second surface of the substrate, and the first pattern 9 includes a slider in a horizontal direction (ie, an X direction).
- a slider in the vertical direction i.e., the Y direction
- a slider in the horizontal direction is indicated by a blank pattern in Fig. 7
- a slider in the vertical direction is indicated by a pattern of a diagonal strip.
- the first direction is set to the horizontal direction, that is, the X direction.
- the second outgoing line 91 is the outgoing line of the slider of the second pattern 9 in the horizontal direction, and the second outgoing line 91 is formed on the remaining area of the second surface of the substrate except the second pattern 9.
- all the outgoing lines in the horizontal direction can be walked to the right of the first figure 9 by the outgoing line process of the conductive pattern.
- the case shown in FIG. 5 is a case where the vertical projection of the second pattern 9 on the first surface of the substrate overlaps with the first pattern 8 , which does not constitute an implementation of the present invention.
- the vertical projection of the second pattern 9 on the first surface of the substrate may also not overlap with the first pattern 8 completely, that is, the vertical direction of the second pattern 9 on the first surface It is also possible that the projection covers just the remaining area on the first surface other than the first figure 8.
- the substrate may be a glass substrate or a substrate made of a FI material, preferably a glass substrate; the first surface and the second surface have no upper and lower layers. Relationships, the two can be interchanged arbitrarily; the first graphic 8 and the second graphic 9 are all conductive patterns, and the shape thereof is also not limited.
- the embodiment of the present invention is described clearly, and is described by using a rectangular graphic, but in practical applications.
- the first graphic 8 and the second graphic 9 may be other shapes (for example, a triangular shape) as long as the vertical projection of the second graphic 9 on the first surface is satisfied to cover at least the first surface.
- the starting side edges extending when the first pattern 8 and the second pattern 9 are formed may also be interchanged arbitrarily; the first pattern 8 and the second pattern 9 are both conductive patterns, forming the conductive
- the pattern of the figure is a rhombus in the exemplary embodiment of the present invention, and may be a rectangle, a square, or the like in practical applications.
- the embodiment of the present invention does not limit the above technical features.
- the entire substrate 6 can be ensured on the first surface or the second surface.
- the complete area has a complete coverage of at least one layer of conductive patterns.
- the remaining area on the first surface except the first pattern 8 has a second pattern 9 perpendicular to the projection area of the second surface. Covering, the remaining area on the second surface except the second pattern 9 has a coverage of the first pattern 8 perpendicularly in the projection area of the first surface, so that the remaining area except the pattern area on both surfaces can be ensured
- the touch performance can be realized, and it is not necessary to reserve a line area in an area other than the conductive pattern on the touch screen substrate, as shown in FIG. 8, so that the effective reduction or even elimination of the touch screen frame can be realized.
- a partial area of the first pattern 8 occupying the first surface and/or a partial area of the second pattern 9 occupying the second surface may be started on the first side or the second side of the substrate Between one-half and two-thirds of the area of the extended substrate; in the region, the balance between the substrate and the aesthetics can be considered, and the first graphic area and the second graphic area can be ensured.
- the sum of the areas can completely cover the entire area of the substrate, and can also increase the touch positioning accuracy of the projection of the first graphic area on the horizontal plane of the second graphic area and the overlapping area of the second graphic area.
- the embodiment 3 of the present invention provides a terminal device that uses the touch screen according to the foregoing embodiment, that is, the embodiment of the present invention further provides a terminal, where the terminal includes a touch screen, the touch screen includes a substrate, and the substrate includes the first a surface and a second surface, the touch screen further comprising: a first pattern formed on the first surface of the substrate and a first exit line, the first pattern covering a partial area of the first surface of the substrate, a first outgoing line is an outgoing line of the first pattern in a first direction, the first outgoing line is formed on a remaining area of the first surface of the substrate except the first pattern; and is formed on the second surface of the substrate a second pattern and a second line, the second pattern covers a partial area of the second surface of the substrate, the second line is an outgoing line of the second pattern along the first direction, the second a line formed on a second surface of the substrate other than the second pattern; wherein the first The surface and the second surface are two opposing surfaces of the substrate; a vertical
- the second surface is formed into a second pattern, so that each surface of the substrate can be freed out of a certain area outside the conductive pattern, because The first pattern of one surface and the second pattern of the second surface exhibit a complementary relationship, so that the touch screen sensing of the entire substrate can be accomplished by the mutual cooperation of the conductive patterns of the two surfaces.
- the embodiment 4 of the present invention further provides a terminal, including a touch screen, wherein the touch screen is the touch screen described in the foregoing embodiment, and includes a substrate, the substrate includes two opposite surfaces, that is, a first surface and a second surface, and the touch screen further And including a first pattern formed on the first surface of the substrate and a second pattern formed on the second surface of the substrate, the first pattern covering a partial region of the first surface of the substrate, a second pattern covering a partial region of the second surface of the substrate, the first surface and the second surface being two opposite surfaces of the substrate, and a vertical projection of the second pattern on the first surface And covering at least the remaining area on the first surface except the first graphic.
- the terminal further includes:
- the first scanning unit 901 is configured to acquire the first sensing coordinates by scanning the first graphic.
- the second scanning unit 902 is configured to acquire second sensing coordinates by scanning the second graphic.
- the superimposing unit 903 is configured to acquire sensing coordinates according to the first sensing coordinates and the second sensing coordinates.
- the first scanning unit 901 can be configured to obtain the first sensing coordinate by scanning the entire first graphic;
- the second scanning unit 902 can be used to scan The second pattern is obtained by the entire second pattern; in this case, since the vertical projection of the second pattern on the first surface of the substrate overlaps with the first pattern,
- the sensing coordinates and the second sensing coordinates include overlapping portions, so that the sensing coordinates of the overlapping portion need to be calculated.
- the superimposing unit 903 includes:
- a first sensing coordinate partitioning unit 9031 configured to divide the first sensing coordinate into a first coincident region sensing coordinate and a first non-coinciding region sensing coordinate according to the overlapping region and the non-coincident region of the first graphic
- the overlapping area of the first graphic refers to an area that coincides with a vertical projection of the second graphic on the first graphic
- the non-coincident area of the first graphic refers to the second graphic An area where vertical projections on the first pattern do not coincide.
- a second sensing coordinate partitioning unit 9032 configured to divide the second sensing coordinate into a second coincident region sensing coordinate and a second non-coinciding region sensing coordinate according to the overlapping region and the non-coincident region of the second graphic
- the overlapping area of the second graphic refers to an area that coincides with a vertical projection of the first graphic on the second graphic
- the non-coincident area of the second graphic refers to the first graphic An area where vertical projections on the first pattern do not coincide.
- the coincidence region sensing coordinate operation unit 9033 is configured to calculate the first coincidence region sensing coordinate and the second coincidence region sensing coordinate to obtain a coincident region sensing coordinate.
- the operation can be performed by using various algorithms, such as averaging, or weighted summation to average, which can effectively avoid the influence of external factors or small changes in displacement during finger touch.
- the first superposition sub-unit 9034 is configured to superimpose the first non-coincident area sensing coordinates, the second non-coinciding area sensing coordinates, and the overlapping area sensing coordinates to obtain sensing coordinates.
- the first scanning unit may be configured to obtain the first sensing coordinate by scanning the entire first graphic; the second scanning unit is configured to scan the second graphic The supplementary area obtains the second sensing coordinate; wherein the supplementary area refers to an area on the second graphic that does not coincide with a projection perpendicular to the first graphic on the second graphic;
- the superimposing unit is configured to superimpose the first sensing coordinate and the second sensing coordinate to obtain sensing coordinates.
- the present invention can be implemented by means of software plus necessary hardware, and of course, by hardware, but in many cases, the former is a better implementation.
- the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
- a hard disk or optical disk or the like includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
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Abstract
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13784784.4A EP2846235B1 (en) | 2012-05-04 | 2013-04-19 | Capacitive touchscreen and terminal |
JP2015509287A JP5998400B2 (ja) | 2012-05-04 | 2013-04-19 | 容量性タッチスクリーン及び端末 |
KR1020147033363A KR101668758B1 (ko) | 2012-05-04 | 2013-04-19 | 정전용량 방식 터치스크린 및 단말기 |
US14/532,562 US9886145B2 (en) | 2012-05-04 | 2014-11-04 | Capacitive touchscreen and terminal |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210137212.5A CN102707856B (zh) | 2012-05-04 | 2012-05-04 | 一种电容式触摸屏及终端 |
CN201210137212.5 | 2012-05-04 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/532,562 Continuation US9886145B2 (en) | 2012-05-04 | 2014-11-04 | Capacitive touchscreen and terminal |
Publications (1)
Publication Number | Publication Date |
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WO2013163927A1 true WO2013163927A1 (zh) | 2013-11-07 |
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PCT/CN2013/074443 WO2013163927A1 (zh) | 2012-05-04 | 2013-04-19 | 一种电容式触摸屏及终端 |
Country Status (6)
Country | Link |
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US (1) | US9886145B2 (zh) |
EP (1) | EP2846235B1 (zh) |
JP (1) | JP5998400B2 (zh) |
KR (1) | KR101668758B1 (zh) |
CN (1) | CN102707856B (zh) |
WO (1) | WO2013163927A1 (zh) |
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CN102707856B (zh) | 2012-05-04 | 2015-03-25 | 华为终端有限公司 | 一种电容式触摸屏及终端 |
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CN102707856A (zh) * | 2012-05-04 | 2012-10-03 | 华为终端有限公司 | 一种电容式触摸屏及终端 |
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EP2846235A1 (en) | 2015-03-11 |
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US9886145B2 (en) | 2018-02-06 |
JP2015516094A (ja) | 2015-06-04 |
KR20150010766A (ko) | 2015-01-28 |
EP2846235A4 (en) | 2015-08-05 |
US20150054786A1 (en) | 2015-02-26 |
EP2846235B1 (en) | 2017-06-14 |
CN102707856A (zh) | 2012-10-03 |
CN102707856B (zh) | 2015-03-25 |
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