CN102073406A - Touch screen and handheld device - Google Patents
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- CN102073406A CN102073406A CN2010106175957A CN201010617595A CN102073406A CN 102073406 A CN102073406 A CN 102073406A CN 2010106175957 A CN2010106175957 A CN 2010106175957A CN 201010617595 A CN201010617595 A CN 201010617595A CN 102073406 A CN102073406 A CN 102073406A
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Abstract
The invention relates to a touch screen. The touch screen comprises a sensing electrode layer, a covering layer, a pattern layer and an outer basic layer which are superposed with one another sequentially and are made of flexible materials, wherein the touch screen is divided into a first region and at least one second region; the first region is provided with a plurality of straight line edges; each second region is connected with the first region; the corresponding straight line edge of the first region serves as a boundary; each second region can independently bend towards the back side of the touch screen by taking the straight line parallel with the straight line edge of the first region connected with the second region as an axis; the first region is provided with a plurality of first sensing points; at least one second region is provided with at least one second sensing point; and the plurality of first sensing points and the at least one second sensing point consist of a plurality of sensing electrodes on the sensing electrode layer. The invention provides a handheld device using the touch screen. The handheld device is thinner, has smaller volume and a more compact structure, saves manufacturing cost, and can realize functions of 'pulling', 'pushing', 'paddling' and the like.
Description
Technical field
The present invention relates to a kind of touch-screen and comprise the device of this touch-screen, relate in particular to a kind of flexible touch screen and comprise the handheld apparatus of this flexible touch screen.
Background technology
Apple adopts capacitance touch screen to replace traditional button on the iphone that released in 2008, makes that the structure of handheld apparatus is simplified widely, and has obtained bigger information display area and information input mode more flexibly.At present, this structure has become the main flow structure of a lot of handheld apparatus, as a lot of producers such as HTC's electricity, Motorola, and the handheld apparatus of this structure that all releases one after another, its specific product has devices such as mobile phone, panel computer, music player.
Handheld apparatus generally all has flat tabular profile, and it comprises front, the back side and a plurality of side.The capacitance touch screen that current handheld apparatus adopts substantially all is the hard touch-screen; its main body is the flat transparent sheets of glass of 0.8～2mm thickness; thereby generally touch-screen is arranged on the front; and adopt the face frame of certain width to protect, break to prevent it from use being clashed into.In addition, according to ergonomics, handheld apparatus also can be provided with some side press-keys in the side, being beneficial to palm controls by side press-key when grip device, side press-key generally adopts physical construction, in order to hold side switch, handheld apparatus also need be at the certain thickness side frame of lateral layout.
Because current handheld apparatus has adopted the hard touch-screen, so have the following shortcoming that can't overcome: at first, the thickness of touch-screen itself makes that handheld apparatus is difficult to further design thinlyyer, face frame, side frame then can make its circumferential width dwindle, thereby make the volume of handheld apparatus further to reduce; Secondly, said structure is the multi-part package assembly, makes the structural compactness of handheld apparatus be difficult to improve further, is unfavorable for the saving of cost; At last, mechanical side switch can only be realized simple push, and can't realize that touch-screen " draws ", operation such as " pushing away ", " drawing ", thereby be difficult to realize the enhancing of function of side key, to satisfy the requirement of ergonomics better.As seen, adopt current hard capacitance touch screen, can't design littler, the more compact structure of volume, and the more powerful handheld apparatus of function of side key.
At present, along with the development of flexible display technologies, in states such as U.S., Japan and Korea S., about the also appearance frequently of report of flexible touch screen.
Someone proposes a kind of flexible touch screen; its primary structure comprises overlayer, sensing electrode layer; wherein: overlayer is used for touch-screen is played capacitive isolation, protection and effect attractive in appearance; generally comprise the basosexine and the attaching of a soft light or be printed on the basosexine inside surface patterned layer, cover layer, patterned layer, cover the inboard that layer is successively set on basosexine.Basosexine is generally organic thin plate of flexible and transparent, and can adopt circular polarizing disk to make, to eliminate the reflected light of touch-screen inside; Patterned layer is the printed layers or the associated layer of certain color, is used to form patterns such as marking keys or trade mark, and covering layer is lighttight printed layers or associated layer, is used to cover the inner structure of touch-screen.Patterned layer and coverage layer are used to satisfy the outward appearance demand of touch-screen, and on touch-screen, the zone that patterned layer and coverage layer are not set has then constituted the photic zone of touch-screen.The sensing electrode layer is the structure that patterned nesa coating is attached to the back up pad of flexible and transparent, nesa coating is patterned into the induction electrode of shapes such as a plurality of bulks, strip, and by forming by transparent conducting film figure or going between by the periphery that conductive material printings such as elargol form, be connected on the external connection end, it can be connected to external circuit by the external line that flexible circuit board (FPC) or sensing electrode layer extend.
The sensing electrode layer can be provided with single-layer and transparent conducting film (single layer structure), and double-deck nesa coating (double-decker) also can be set.Single layer structure has advantage of simple structure, and under the situation of single layer structure, nesa coating can be arranged on the inboard or the outside of back up pad; Double-decker is under the situation that forms two dimension induction matrix, then need external line still less, help increasing the quantity and the density of induction point, under double-deck situation, nesa coating can be arranged on the both sides of a slice back up pad, also can be arranged on the medial and lateral of multi-disc back up pad, and adopt viscose that it is fitted.
The sensing electrode layer is attached to tectal inboard by viscose, thereby the capacitive that overlayer has formed between sensing electrode and the touch body (as finger) is isolated, the same with the principle of work of hard touch-screen, touching body can influence between sensing electrode and the ground, or the electric capacity between the adjacent sensing electrode, thereby can be by principle from appearance or mutual appearance, between (certainly hold) on the sensing electrode or adjacent sensing electrode, (hold mutually) and form induction point, touch event is surveyed, and determined the position of touch by the position of sensing electrode.And above-mentioned various rete all is the rete of flexible, thereby the whole performance that also has flexible.
As shown in Figure 1, a kind of flexible touch screen structural representation, wherein sensing electrode adopts the rhombus design, and the sensing electrode of the sensing electrode of first direction and second direction is separately positioned on the two sides of back up pad, external line is extended to form by the sensing electrode layer.
For the inboard that reaches the flexible capacitance plate of jamproof purpose can also be provided with the guarded electrode layer, also adopt nesa coating to be attached to the structure of the back up pad of flexible and transparent; Correct layer in order to correct the polarized light property of printing opacity, can also be provided with the polarisation that comprises compensate film, be used to satisfy of the particular polarization requirement of displays such as LCD, OLED light.
But also do not occur so far flexible touch screen is applied on the handheld apparatus, and be used to solve the above problems.
Summary of the invention
Technical matters to be solved by this invention provides a kind of touch-screen, can make that the handheld apparatus that adopts this touch-screen is thinner, volume is littler, structure is compact more, save manufacturing cost, and can all realize functions such as " drawing ", " pushing away ", " drawing " in positive and side, the present invention also provides the handheld apparatus that adopts this touch-screen.The technical scheme that adopts is as follows:
Touch-screen comprises sensing electrode layer, coverage layer, patterned layer and the basosexine of superimposed setting in regular turn, described sensing electrode layer comprises at least one back up pad and a plurality of sensing electrode, sensing electrode is arranged on the back up pad, described each layer all adopts flexible material to make, and it is characterized in that: described touch-screen is divided into first area and at least one second area; The first area has many straight lines; Each second area all be connected with the first area and with the corresponding straight line in first area as the separatrix, and the straight line of each second area first area straight line that all can be connected to be parallel to independently is that axis is to the bending of the back side of touch-screen; The first area is provided with a plurality of first sensing points, and at least one second area is provided with at least one second sensing points; First sensing points and second sensing points are made of a plurality of sensing electrodes on the sensing electrode layer.
Above-mentioned first area can be surrounded by many straight lines, also can be formed by connecting by at least one straight line and at least one camber line.For example, rectangle, quadrilateral, polygon, some angle are processed as circular arc and are polygonal shape generally.
On touch-screen, touch one side that body touched for positive, and be the back side away from the another side that touches body.
First induction point can be sensed and touch the touch event that body takes place on the first area, and the handheld apparatus processor inside is fed back the touch electric signal of corresponding induction point, second induction point can be sensed and touch the touch event that body takes place on second area, and the handheld apparatus processor inside is fed back the touch electric signal of corresponding second induction point.
The sensing electrode layer that is in the first area can adopt identical structure with the sensing electrode layer that is in second area, also can adopt different structures respectively.
By touch-screen being divided into first area and second area, second area can be that axis is to the bending of the back side of touch-screen with the straight line that is parallel to straight line, can be attached to the side of handheld apparatus, and first sensing points and second sensing points are set respectively on first area and second area, sensing points on the second area thoroughly frees side press-key corresponding to the side press-key of handheld apparatus from mechanical structure.Adopt the mode that touches to replace the original mechanical type button of side press-key, face frame, side press-key and the side frame of handheld apparatus have been saved, the thickness and the circumferential width of handheld apparatus have been reduced, and improved the compactedness of structure, made that the handheld apparatus volume of this touch-screen of employing is littler, more save cost; And side press-key is made of second induction point, by the second higher induction point of closeness is set, can realize functions such as " drawing ", " pushing away ", " drawing ", thereby enrich the operation of finger, make it meet the design of ergonomics more in the handheld apparatus side.
In order to reach simple in structure, and reach purpose simple to operate, described first area and second area wherein the sensing electrode layer at least one zone comprise a plurality of electrode blocks and a back up pad, and electrode block all is located at the same side of back up pad.The induction electrode layer is designed to single layer structure, and constitutes, make its function with similar button by several electrode blocks, simple, convenient.
" draw " in order to reach better realization, function such as " pushing away ", " drawing ", sensing electrode layer on the described first area comprises sensing electrode and at least one back up pad of the sensing electrode of a plurality of first directions, a plurality of second directions, and the sensing electrode of first direction and the sensing electrode of second direction are located on the back up pad.Adopt the sensing electrode of multirow, multiple row to constitute the induction matrix,, increase the quantity and the density of induction point, make the touch-control action have more continuity, thereby realize functions such as " drawing ", " pushing away ", " drawing " to realize induction to the two-dimensional position coordinate.
" draw " in order to reach better realization, function such as " pushing away ", " drawing ", sensing electrode layer on the described second area comprises sensing electrode and at least one back up pad of the sensing electrode of a plurality of first directions, a plurality of second directions, and the sensing electrode of first direction and the sensing electrode of second direction are located on the back up pad.Adopt the sensing electrode of multirow, multiple row to constitute the induction matrix,, increase the quantity and the density of induction point, make the touch-control action have more continuity, thereby realize functions such as " drawing ", " pushing away ", " drawing " to realize induction to the two-dimensional position coordinate.
In order to reach the quantity that reduces peripheral cabling, sensing electrode layer on the described second area comprises sensing electrode and at least one back up pad of the sensing electrode of a plurality of first directions, a plurality of second directions, the sensing electrode of first direction and the sensing electrode of second direction are located on the back up pad, and the cabling of the sensing electrode on the second area by crossing over straight line is connected with sensing electrode on the first area.The cabling of crossing straight line by employing is connected the sensing electrode on the second area with sensing electrode on the first area, the induction arrays of first area and the induction arrays of second area are combined into an induction arrays, the sensing electrode of second area adopts the external line that is arranged on the first area to be connected with external circuit, has significantly reduced the quantity of peripheral cabling.
Adopt the situation of array (the sensing electrode layer comprises sensing electrode and at least one back up pad of the sensing electrode of a plurality of first directions, a plurality of second directions) setting for above-mentioned sensing electrode, the set-up mode that three kinds of structures are arranged usually: first kind of mode, adopt a back up pad, the sensing electrode of first direction and the sensing electrode of second direction all are arranged on the same one side of back up pad, and this setup is simple in structure; The second way adopts a back up pad, and the sensing electrode of first direction is arranged at the one side of back up pad, and the sensing electrode of second direction is arranged at the another side of back up pad; The third mode adopts two back up pads, and on the one side of the sensing electrode of a first direction back up pad located therein, the sensing electrode of second direction is located on the one side of another back up pad.
For more firm after making touch-screen attach on the handheld apparatus, also comprise the extension, the extension is stretching out of second area.The extension of touch-screen is attached on some position of handheld apparatus, further strengthens the adhesion between touch-screen and the handheld apparatus, prevent touch-screen generation perk or break away from handheld apparatus.The extension can be hidden within the bonnet of handheld apparatus, does not have the subsides trace at edge, and is more attractive in appearance.
In order to be applicable to handheld apparatus better, described touch-screen is provided with transmission region and perforate.Transmission region is used for seeing through the display frame of display on the handheld apparatus, light and the required light of light sensor that pilot lamp sends.The sound that perforate is used to satisfy receiver, microphone sees through, and is used to be provided with parts such as button.
Handheld apparatus comprises electron device, touch-screen and internal frame body, and electron device is arranged at the inside of internal frame body, it is characterized in that: described touch-screen is above-mentioned any touch-screen; The first area of touch-screen is attached to the front of internal frame body, and the size of first area and the front of internal frame body are complementary; The second area of touch-screen is attached to the side of internal frame body by bending.This handheld apparatus, reduces the thickness of touch-screen greatly, thereby has also reduced the thickness of handheld apparatus because the touch-screen that adopts flexible material to make supports without the hard transparent substrate by adopting above-mentioned this touch-screen; Saved face frame, side press-key and the side frame of handheld apparatus, reduced the thickness and the circumferential width of handheld apparatus, and improved the compactedness of structure, made that the handheld apparatus volume of this touch-screen of employing is littler, more save cost; And side press-key is made of second induction point, by the second higher induction point of closeness is set, can realize functions such as " drawing ", " pushing away ", " drawing ", thereby enrich the operation of finger, make it meet the design of ergonomics more in the handheld apparatus side.
For the ease of parts such as display, pilot lamp, receiver, light sensor, button are set, described internal frame body also is provided with pan, groove, shrinkage pool; Pan is located at the front of internal frame body, and groove and shrinkage pool are located at the front or the side of internal frame body.Pan is used to hold flat-panel monitor (as TFT, OLED), and makes the surface of display and the front of internal frame body maintain an equal level, thereby the first area of touch-screen also has major part to be attached on the surface of display; The size of groove and shrinkage pool is less, its screen that can be touched is covered and does not cause touch-screen generation indent, groove and shrinkage pool to be used to hold parts such as pilot lamp on the handheld apparatus, receiver, light sensor, button.10, draw 8 or 9: in order to reach the purpose of protection touch-screen, also comprise protecting cover, sheath and bonnet, protecting cover, sheath, bonnet are fixed on the internal frame body by screw, draw-in groove, hole clipping or viscose.Protecting cover, sheath and bonnet are used to cover, protect, hide the edge of touch-screen and perforate thereof, and play protection, the fixedly effect of touch-screen.
Touch-screen of the present invention is by being divided into touch-screen first area and second area, second area can be that axis is to the bending of the back side of touch-screen with the straight line that is parallel to straight line, can be attached to the side of handheld apparatus, and first sensing points and second sensing points are set respectively on first area and second area, sensing points on the second area thoroughly frees side press-key corresponding to the side press-key of handheld apparatus from mechanical structure.And adopt the handheld apparatus of this touch-screen, because the touch-screen that adopts flexible material to make supports without the hard transparent substrate, reduce the thickness of touch-screen greatly, thereby also reduced the thickness of handheld apparatus; Adopt the mode that touches to replace the original mechanical type button of side press-key, face frame, side press-key and the side frame of handheld apparatus have been saved, the thickness and the circumferential width of handheld apparatus have been reduced, and improved the compactedness of structure, made that the handheld apparatus volume of this touch-screen of employing is littler, more save cost; And side press-key is made of second induction point, by the second higher induction point of closeness is set, can realize functions such as " drawing ", " pushing away ", " drawing ", thereby enrich the operation of finger, make it meet the design of ergonomics more in the handheld apparatus side.
Description of drawings
Fig. 1 is the structural representation of a kind of flexible touch screen in the prior art
Fig. 2 is first kind of embodiment of the present invention, and it is the structural representation of a MP3
Fig. 3 is in first kind of embodiment of the present invention, and the first area of flexible touch screen and second area are divided synoptic diagram
Fig. 4 is in first kind of embodiment of the present invention, the distribution schematic diagram of sensing electrode on the flexible touch screen
Fig. 5 is in first kind of embodiment of the present invention, the crooked synoptic diagram of the second area of flexible touch screen
Fig. 6 is in first kind of embodiment of the present invention, after flexible touch screen attaches on the internal frame body, and the profile synoptic diagram of MP3 player
Fig. 7 is in first kind of embodiment of the present invention, the structural representation of flexible touch screen
Fig. 8 is second kind of embodiment of the present invention, and it is the structural representation of a mobile phone
Fig. 9 is in second kind of embodiment of the present invention, and the first area of flexible touch screen and second area are divided synoptic diagram
Figure 10 is in second kind of embodiment of the present invention, the crooked synoptic diagram of the second area of flexible touch screen
Figure 11 is in second kind of embodiment of the present invention, after flexible touch screen attaches on the internal frame body, and the profile synoptic diagram of mobile phone
Figure 12-Figure 16 is in second kind of embodiment of the present invention, the structural representation of flexible touch screen
Figure 17 is the third embodiment of the present invention, and it is the structural representation of another mobile phone
Figure 18 is in the third embodiment of the present invention, and the first area of flexible touch screen and second area are divided synoptic diagram
Figure 19 is in the third embodiment of the present invention, the crooked synoptic diagram of the second area of flexible touch screen
Figure 20 is in the third embodiment of the present invention, after flexible touch screen attaches on the internal frame body, and the profile synoptic diagram of mobile phone
Figure 21 to Figure 24 is in the third embodiment of the present invention, the structural representation of flexible touch screen
Embodiment
Be described further below in conjunction with accompanying drawing and preferred implementation of the present invention.
Embodiment one
As Fig. 2, Fig. 3, shown in Figure 5, be example with a MP3 player, this handheld apparatus comprises electron device, flexible touch screen 1 and internal frame body 2, electron device is arranged on the inside of internal frame body 2; Internal frame body 2 is flat triangle tabular (triangle cuts three angles) generally, has the bigger front triangular in shape of area (triangle cuts three angles), and three prismatic sides (there are three faceted pebbles each side); Flexible touch screen 1 is divided into the first area 3 that comprises (triangle cuts three angles) triangular in shape generally and the second area 4 of three rectangles, and the straight line of the straight line 5 that second area 4 all can be connected to be parallel to independently is that axis is to the bending of the back side of flexible touch screen 1; The first area 3 of flexible touch screen 1 is attached to the front of internal frame body 2, and mate with the positive size of internal frame body 2 first area 3, and three second areas 4 of flexible touch screen 1 attach and just can be attached to three sides of internal frame body 2 respectively by crooked.
As shown in Figure 2, internal frame body 2 also is provided with pan 6, is used to hold a LCD 7, and makes the surface of display 7 and the front of internal frame body 2 maintain an equal level, and the first area 3 part areas of flexible touch screen 1 are attached to the surface of display 7; Handheld apparatus also is provided with three protecting covers 8 and a bonnet 9; be used to cover, protect, hide flexible touch screen 1 and be attached to edge after the internal frame body 2, and can on protecting cover 8, bonnet 9, design MP3 player necessity the start button, restart button, power supply input port, data input/output end port, sound signal I/O port.
As Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 7, the first area 3 of flexible touch screen 1 (being the player front), second area 4 (being the player side) is respectively arranged with a plurality of first induction points 10 and (comprises broadcast/time-out induction point, volume minimizing/increase), second induction point 11 (comprises and stops to play, a last head, next), first sensing points 10 and second sensing points 11 are made of the sensing electrode on the sensing electrode layer 12 13, can sense the touch event that finger takes place respectively on player front and player side, and, realize player is carried out the operation of corresponding function according to the corresponding numbering of touch point.3 (promptly positive) in the first area, flexible touch screen 1 is provided with the photic zone 14 that light can see through, and is used for the display frame of transmission display device 7.Flexible touch screen 1 also is provided with the extension 15 that second area 4 extends outward, the back side that the side is attached to internal frame body 2 is walked around in extension 15, form the extension that second area 4 and internal frame body 2 attach, be used to reinforce the attaching of flexible touch screen 1 on internal frame body 2, prevent that it from perk taking place, and hide by bonnet.Flexible touch screen 1 also comprise can deflection external connection 16, external connection 16 is walked around an angle of internal frame body 2, is connected with the circuit of player overleaf.As shown in Figure 6, after flexible touch screen attaches on the internal frame body, the profile synoptic diagram of MP3 player.
As shown in Figure 7, flexible touch screen 1 comprises sensing electrode layer 12 and overlayer, and overlayer comprises covers layer 17, patterned layer 18 and basosexine 19, adopts ink printing patterned layer 18 at basosexine 19 inside surfaces, and then attaches the coverage layer 17 of one deck black.Wherein, patterned layer 18 has formed various marking keys, covers the layer 17 regional hollow out at corresponding display 7, has formed the photic zone 14 of flexible touch screen 1.
Sensing electrode layer 12 comprises the back up pad 21 of patterned layer of transparent conducting film 20 and one deck flexible and transparent, nesa coating 20 is attached to the outside of back up pad 21, nesa coating 20 is patterned into the sensing electrode 13 of a plurality of bulks, each sensing electrode 13 corresponding induction point 10 (11), and be connected on the external connection end 23 by the periphery lead-in wire 22 that the elargol printing forms, wherein, external connection end 23 is arranged on the external line 16 that is extended by sensing electrode layer 12.
Sensing electrode layer 12 is attached to tectal inboard by viscose, the capacitive that overlayer has formed between sensing electrode 13 and the touch body (as finger) is isolated, touch bodies such as finger can influence the electric capacity between sensing electrode and the ground, thereby can be by holding principle certainly, self-capacitance to a plurality of induction points scans, thereby obtains touch event and touch location.
Above-mentioned various rete all is the rete of flexible, thus the second area of touch-screen, extension, external connection can be crooked, the side that attaches, walk around internal frame body, satisfy the function and the structural design of this handheld apparatus.
Embodiment two
As Fig. 8, Fig. 9 and shown in Figure 10, be example with a mobile phone, this handheld apparatus comprises electron device, flexible touch screen 31 and internal frame body 32, electron device is arranged on the inside of internal frame body 32; Internal frame body 32 is flat cubic tabular, has the bigger rectangle front of area, and four cylindrical sides; Flexible touch screen 31 is divided into the first area 33 that comprises rectangle and the second area 34 of four rectangles, and the straight line of the straight line 35 that second area 34 all can be connected to be parallel to independently is that axis is to the bending of the back side of flexible touch screen 31; The first area 33 of flexible touch screen 31 is attached to the front of internal frame body 32, mate with the positive size of internal frame body 32 first area 33, four second areas 34 of flexible touch screen 31 attach and just can be attached to four sides of internal frame body 32 respectively by crooked.
As shown in Figure 8, internal frame body 32 also is provided with pan 36, is used to hold one flat plate display 37, and makes the surface of display 37 and the front of internal frame body 32 maintain an equal level, and first area 33 major parts of flexible touch screen 31 are attached to the surface of display 37; Internal frame body 32 also is provided with groove 38, shrinkage pool 39, is respectively applied for the receiver and the front end camera that hold mobile phone.Handheld apparatus also is provided with sheath 40, protecting cover 41 and bonnet 42; be used to cover, protect, hide the edge that flexible touch screen is attached to perforates after the internal frame body 32, and can on protecting cover, bonnet, design mobile phone necessity the start button, restart button, power supply input port, data input/output end port, sound signal I/O port.
As shown in figure 12, the first area 33 of flexible touch screen 31 (being the mobile phone front) is provided with the induction matrix 44 of a plurality of first sensing points 43, second area 34 (being left and right, the upper side of mobile phone) is provided with the sensing bar 46 that a plurality of second sensing points 45 are lined up, induction matrix 44 can finger sensing at the positive two-dimensional position that touches of mobile phone, sensing bar 46 is can finger sensing left and right at mobile phone, on three one dimension positions that the side touches, and by testing circuit and software, reach sense that finger " draws ", action such as " pushing away ", " drawing ".
As Fig. 8, Fig. 9, Figure 10 and shown in Figure 12, corresponding to the viewing area and internal frame body 32 shrinkage pools 39 positions of display 37, flexible touch screen is provided with the photic zone 47 that light can see through, and is used for the display frame and the required light of camera of transmission display device 37.Flexible touch screen also is provided with the extension 48 that second area 34 extends outward, the back side that the side is attached to internal frame body 32 is walked around in extension 48, form the extension that second area 34 and internal frame body attach, be used to reinforce the attaching of flexible touch screen 31 on internal frame body 32, prevent that it from perk taking place, and hide by bonnet.Flexible touch screen also comprise can deflection external connection 49, external connection 49 is walked around the side of internal frame body 32, is connected with the motherboard circuit of mobile phone overleaf.As shown in figure 11, after flexible touch screen attaches on the internal frame body, the profile synoptic diagram of this mobile phone.
To shown in Figure 16, flexible touch screen 31 comprises sensing electrode layer and overlayer as Figure 13, and overlayer comprises covers layer 50, patterned layer 51 and basosexine 52, adopts ink printing patterned layer 51 at basosexine 52 inside surfaces, and then attaches the coverage layer 50 of one deck black.Wherein, patterned layer 51 has formed various marking keys, covers the layer 50 regional hollow out at corresponding display 37, has formed the photic zone 47 of touch-screen.
Sensing electrode layer on the first area 33 comprises sensing electrode 54, first back up pad 55 and second back up pad 56 of the sensing electrode 53 of a plurality of first directions, a plurality of second directions; The sensing electrode 53 of first direction is formed by first transparent conducting film figure, and the sensing electrode 54 of second direction is formed by second transparent conducting film figure; First nesa coating, second nesa coating are attached to first back up pad 55 of flexible and transparent, the outside of second back up pad 56 respectively, and the double-decker of fitting and forming mutually; The sensing electrode 53 of first direction and the sensing electrode 54 of second direction all adopt the design of rhombus electrode, and the lead 57 that all adopts conductive material (as elargol) to form is connected respectively to down on the external line 49.Sensing electrode layer in the second area comprises a plurality of sensing electrode pieces 58 and first back up pad 55, sensing electrode piece 58 is formed by first transparent conducting film figureization, first nesa coating is attached to the outside of first back up pad 55, sensing electrode piece 58 is arranged in order and constitutes sensing bar 59, and each sensing electrode piece 58 all is connected to by a cabling 60 and is arranged on a left side or right the extension on the outer external line 49 of area, sensing electrode piece 58 last, left side second area 34 is connected to left external line 49, and the sensing electrode piece 58 of right side second area 34 is connected to right external line 49.
The flexible touch screen back side also can be provided with one deck guarded electrode layer, is used to shield the interference of the circuit of handheld apparatus inside to touch-screen, and the guarded electrode layer is arranged on the back side of second supporting layer.
Sensing electrode layer on the above-mentioned first area (sensing array matrix) adopts self-capacitance or mutual capacitance principle to drive, and the sensing electrode layer on the above-mentioned second area (sensing bar) adopts the self-capacitance principle to drive.
Above-mentioned basosexine is preferably circular polarizing disk, makes that at display be under the situation of 0LED, and 0LED does not need to attach antireflecting circular polarizing disk, and makes the reflected light of above-mentioned each rete be eliminated.
Above-mentioned basosexine outside surface can also do anti-dazzle, processing such as antireflection, anti-fingerprint, stiffened.Internal frame body is preferably than display to have the structure of hard more and can carry out fully fixing to display, make and to be subjected to external force and when being out of shape, display can be obeyed the distortion of internal frame body, and flexible touch screen needn't apply extra acting force for the distortion of display.
Above-mentioned flexible touch screen can adopt the stronger sticker of viscosity to be attached on the internal frame body; Also can adopt the more weak sticker of viscosity to be attached on the display, adopt under the more weak glue situation of viscosity, make that it tears out from display surface easily, and display is damaged when dismounting.
Above-mentioned guarded electrode layer also can attach one deck the 3rd supporting layer by other, and is arranged on the back side of the 3rd supporting layer.
Above-mentioned sensing electrode piece can form for the conductive material printing.
Embodiment three
As Figure 17 and shown in Figure 180, be example with another mobile phone, this handheld apparatus comprises electron device, flexible touch screen 61 and internal frame body 62, electron device is arranged on the inside of internal frame body 62; Internal frame body 62 is flat cubic tabular, has the bigger rectangle front of area, and about two cylindrical sides; Flexible touch screen is divided into the first area 63 that comprises rectangle and the second area 64 of left and right two rectangles, and the straight line of the straight line 65 that second area 64 all can be connected to be parallel to independently is that axis is to the bending of the back side of flexible touch screen 61; The first area 63 of flexible touch screen 61 is attached to the front of internal frame body 62, mate with the positive size of internal frame body 62 first area 63, two second areas 64 of flexible touch screen 61 attach and just can be attached to two sides of internal frame body 62 respectively by crooked.
As shown in figure 17, internal frame body 62 also is provided with pan 66, is used to hold one flat plate display 67, and makes the surface of display 67 and the front of internal frame body 62 maintain an equal level, and first area 63 major parts of flexible touch screen 61 are attached to the surface of display 67; Internal frame body 62 also is provided with groove 68, shrinkage pool 69, is respectively applied for the receiver and the front end camera that hold mobile phone.Handheld apparatus also is provided with upper and lower two protecting covers 70 and bonnet 71; be used to cover, protect, hide flexible touch screen and comprise the edge of perforate after being attached to internal frame body 62, and can on protecting cover 70, bonnet 71, design mobile phone necessity the start button, restart button, power supply input port, data input/output end port, sound signal I/O port.
Extremely shown in Figure 19 as Figure 17, the viewing area of corresponding display 67, flexible touch screen 61 is provided with the photic zone 72 that light can see through, and is used for the light of the display frame of transmission display device 67.Flexible touch screen 61 also is provided with the extension 73 that second area 64 extends outward, the back side that the side is attached to internal frame body 62 is walked around in extension 73, form the extension that second area 64 and internal frame body 62 attach, be used to reinforce the attaching of flexible touch screen 61 on internal frame body 62, prevent that it from perk taking place, and hide by bonnet.As shown in figure 20, after flexible touch screen 61 attaches on the internal frame body 62, the profile synoptic diagram of this mobile phone.
Extremely shown in Figure 23 as Figure 21, flexible touch screen 61 comprises sensing electrode layer 74 and overlayer, overlayer comprises covers layer 75, patterned layer 76 and basosexine 77, adopts ink printing patterned layer 76 at basosexine 77 inside surfaces, and then attaches the coverage layer 75 of one deck black.Wherein, patterned layer 76 has formed various marking keys, covers the regional hollow out of layer at corresponding display 67, has formed the photic zone of flexible touch screen 61.
As shown in figure 23, the sensing electrode layer 74 on first area 63 and the second area 64 includes the sensing electrode 79 and the back up pad 80 of the sensing electrode 78 of a plurality of first directions, a plurality of second directions; The sensing electrode 78 of first direction is formed by first transparent conducting film figure, and the sensing electrode 79 of second direction is formed by second transparent conducting film figure; First nesa coating, second nesa coating are attached to the tow sides of the back up pad 80 of flexible and transparent respectively, form double-decker; The sensing electrode 78 of first direction and the sensing electrode 79 of second direction all adopt the design of rhombus electrode, and the lead 81 that all adopts conductive material (as elargol) to form is connected respectively to down on the external line 82, external connection 82 can deflection, and is crooked and be connected with the motherboard circuit of mobile phone by the downside of internal frame body 62.As shown in figure 24, the induction matrix that is provided with a plurality of sensing points of flexible touch screen 61, sensing points is made of the sensing electrode on the sensing electrode layer 74 (sensing electrode 78 of first direction, the sensing electrode 79 of second direction), respond to matrix and from left to right crossed over the second area 64 (being the mobile phone right side) on the second area 64 on the left side (being the mobile phone left side), first area 63, the right, thereby formed left side induction point, front induction point, right side induction point respectively.The induction point of front and left and right sides makes mobile phone not only can respond to the two-dimensional position of front touch event, can also respond to the two-dimensional position of left and right side touch event, and, reach and sense actions such as " drawing ", " pushing away " on two-dimentional yardstick of finger, " drawing " by testing circuit and software.
Above-mentioned sensing electrode layer adopts self-capacitance or mutual capacitance principle to drive.
The flexible touch screen back side also can be provided with the guarded electrode layer of layer of transparent, is used to shield the interference of the circuit of handheld apparatus inside to touch-screen, and the guarded electrode layer is arranged on the back side of the inboard shielding supporting layer that increases in addition of touch-screen.
Above-mentioned basosexine is preferably circular polarizing disk, makes that at display be under the situation of OLED, and OLED does not need to attach antireflecting circular polarizing disk, and makes the reflected light of above-mentioned each rete be eliminated.
Above-mentioned basosexine outside surface can also do anti-dazzle, processing such as antireflection, anti-fingerprint, stiffened.Internal frame body is preferably than display to have the structure of hard more and can carry out fully fixing to display, make and to be subjected to external force and when being out of shape, display can be obeyed the distortion of internal frame body, and flexible touch screen needn't apply extra acting force for the distortion of display.
Above-mentioned flexible touch screen can adopt the stronger sticker of viscosity to be attached on the internal frame body; Also can adopt the more weak sticker of viscosity to be attached on the display, adopt under the more weak glue situation of viscosity, make that it tears out from display surface easily, and display is damaged when dismounting.
The thickness of preferred back up pad is greater than 0.2mm, and adopt to hold mutually to drive, and make the second direction sensing electrode, because it has fixing current potential as drive electrode, the second direction sensing electrode can double as be the guarded electrode layer, thereby does not need to be provided with in addition one deck guarded electrode layer.
In other embodiments, the first area can be to be polygon on the whole, and segment angle wherein or all angles are processed as fillet.
Claims (10)
1. touch-screen comprises sensing electrode layer, coverage layer, patterned layer and the basosexine of superimposed setting in regular turn, described sensing electrode layer comprises at least one back up pad and a plurality of sensing electrode, sensing electrode is arranged on the back up pad, described each layer all adopts flexible material to make, and it is characterized in that: described touch-screen is divided into first area and at least one second area; The first area has many straight lines; Each second area all be connected with the first area and with the corresponding straight line in first area as the separatrix, and the straight line of each second area first area straight line that all can be connected to be parallel to independently is that axis is to the bending of the back side of touch-screen; The first area is provided with a plurality of first sensing points, and at least one second area is provided with at least one second sensing points; First sensing points and second sensing points are made of a plurality of sensing electrodes on the sensing electrode layer.
2. touch-screen as claimed in claim 1 is characterized in that: described first area and second area wherein the sensing electrode layer at least one zone comprise a plurality of electrode blocks and a back up pad, and electrode block all is located at the same side of back up pad.
3. touch-screen as claimed in claim 1, it is characterized in that: the sensing electrode layer on the described first area comprises sensing electrode and at least one back up pad of the sensing electrode of a plurality of first directions, a plurality of second directions, and the sensing electrode of first direction and the sensing electrode of second direction are located on the back up pad.
4. touch-screen as claimed in claim 1, it is characterized in that: the sensing electrode layer on the described second area comprises sensing electrode and at least one back up pad of the sensing electrode of a plurality of first directions, a plurality of second directions, and the sensing electrode of first direction and the sensing electrode of second direction are located on the back up pad.
5. touch-screen as claimed in claim 3, it is characterized in that: the sensing electrode layer on the described second area comprises sensing electrode and at least one back up pad of the sensing electrode of a plurality of first directions, a plurality of second directions, the sensing electrode of first direction and the sensing electrode of second direction are located on the back up pad, and the cabling of the sensing electrode on the second area by crossing over straight line is connected with sensing electrode on the first area.
6. as each described touch-screen of claim 1-5, it is characterized in that also comprising the extension, the extension is stretching out of second area.
7. touch-screen as claimed in claim 6 is characterized in that: described touch-screen is provided with transmission region and perforate.
8. handheld apparatus comprises electron device, touch-screen and internal frame body, and electron device is arranged at the inside of internal frame body, it is characterized in that: described touch-screen is any touch-screen as claim 1-7; The first area of touch-screen is attached to the front of internal frame body, and the size of first area and the front of internal frame body are complementary; The second area of touch-screen is attached to the side of internal frame body by bending.
9. handheld apparatus as claimed in claim 8 is characterized in that: described internal frame body also is provided with pan, groove, shrinkage pool; Pan is located at the front of internal frame body, and groove and shrinkage pool are located at the front or the side of internal frame body.
10. handheld apparatus as claimed in claim 8 or 9, it is characterized in that: also comprise protecting cover, sheath and bonnet, protecting cover, sheath, bonnet are fixed on the internal frame body by screw, draw-in groove, hole clipping or viscose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010106175957A CN102073406A (en) | 2010-12-31 | 2010-12-31 | Touch screen and handheld device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106175957A CN102073406A (en) | 2010-12-31 | 2010-12-31 | Touch screen and handheld device |
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| CN102073406A true CN102073406A (en) | 2011-05-25 |
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| CN2010106175957A Pending CN102073406A (en) | 2010-12-31 | 2010-12-31 | Touch screen and handheld device |
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Application publication date: 20110525 |