CN101408820A - Touch control display panel - Google Patents
Touch control display panel Download PDFInfo
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- CN101408820A CN101408820A CNA2008101742785A CN200810174278A CN101408820A CN 101408820 A CN101408820 A CN 101408820A CN A2008101742785 A CNA2008101742785 A CN A2008101742785A CN 200810174278 A CN200810174278 A CN 200810174278A CN 101408820 A CN101408820 A CN 101408820A
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Abstract
The invention provides a touch-control display panel, comprising a first base plate, a second base plate and a liquid crystal layer. The first base plate comprises a plurality of sensing areas and a non-sensing area positioned outside the sensing areas, and each sensing area is internally provided with a first electrode. The second base plate comprises a plurality of main gap objects, a plurality of sensing bumps, a plurality of first auxiliary gap objects and a plurality of second auxiliary gap objects; the main gap objects are connected to the non-sensing area of the first base plate; the sensing bumps are provided with a second electrode and corresponding to the sensing area, and maintain a sensing gap with the first base plate; the first auxiliary gap objects are corresponding to the non-sensing area and maintain a first auxiliary gap with the first base plate; the second auxiliary gap objects are corresponding to the non-sensing area and maintain a second auxiliary gap with the first base plate; the sensing gap is more than the first auxiliary gap and less than the second auxiliary gap.
Description
Technical field
The present invention is relevant a kind of touch-control display panel (touch display panel), and particularly relevant a kind of embedded touch display panel (built-in touch display panel).
Background technology
In recent years, fast development along with every application such as infotech, wireless telecommunications and information household appliances, in order to reach more convenient, lighter and handyizatioier of volume and more humane purpose, the input media of many information products changes touch-control display panel (touch display panel) into by traditional keyboard or slide-mouse etc.
Fig. 1 illustrates a kind of known touch-control display panel partial cutaway schematic.Please refer to Fig. 1, traditional touch-control display panel 100 comprises one first substrate 110, one second substrate 120 and a liquid crystal layer 130.Have main gap thing 128a, sensing projection 128b, auxiliary gap thing 128c and second electrode 126 on second substrate 120.Have sensing bed hedgehopping structure 114b on first substrate 110, have first electrode 116 on the sensing bed hedgehopping structure 114b.The major function of main gap thing 128a is to keep second substrate 120 and 110 certain distances of first substrate (cell gap), the function of auxiliary gap thing 128c then is to assist to support when main gap thing 128a and sensing projection 128b can bear when the external application of force, avoids main gap thing 128a and sensing projection 128b to damage because of deflection is excessive.
From the above, under normal situation, first electrode 116 that is positioned on the sensing bed hedgehopping structure 114b does not directly contact with second electrode 126 on being positioned at sensing projection 128b, and has a sensing gap Gs between the two.When an external force puts on second substrate 120, and the deformation that makes main gap thing 128a is during greater than sensing gap Gs, and directly first electrode 116 of contact and second electrode 126 will conductings originally, thereby form change in voltage on first substrate 110.Detect this change in voltage, convert signal to and be converted into coordinate by what system incited somebody to action again, can try to achieve the position of pushing origination point.
Yet, there is following shortcoming in prior art: at first, after repeatedly pushing, the deflection of main gap thing 128a and sensing projection 128b increases and the elastic restoring force variation, cause sensing gap Gs to dwindle even disappear, that is first electrode 116 directly contacts with second electrode 126 on some some position, this state can cause the bad or short circuit (touch function short) of touch controllable function, also may cause second electrode 126 of sensing projection 128b top to be damaged when serious.
As desire to increase the resistance to pressure and the life-span of touch-control display panel 100 in the mode of setting up main gap thing 128a, its minimum external force (active force) that can respond to touch-control just must increase, that is the sensitivity meeting of touch-control sensing reduces; In addition, also be easier to produce the low temperature liquid crystal bubble.So-called low temperature liquid crystal bubble, be because main gap thing 128a and liquid crystal layer 130 have different contraction coefficients, so both volumes can't shrink with equal proportion when low temperature environment, so former should be to be covered with in the liquid crystal layer 130 of liquid crystal molecule, generation can by the viewed space of user, claim that generally this space is the low temperature liquid crystal bubble by display panel.
Secondly, because main gap thing 128a contacts with below first substrate 110 always, so lower pixel electrode (not illustrating among this figure) just must with main gap thing 128a from a distance, to avoid because of to grouping error or main gap thing 128a displacement when pushing, and cause second electrode 126 and pixel electrode mistake bridge joint on second substrate 120, form the phenomenon of display abnormality (display abnormal).In other words, the aperture opening ratio of panel itself (aperture ratio) can descend, and causes the lifting of transmittance decline or backlight module cost indirectly.
Moreover, because second electrode 126 on the sensing projection 128b must contact with first electrode 116 on the sensing bed hedgehopping structure 114b, cause first electrode, 116 current potentials to change the position of touching to convert, therefore, the alignment film material thickness of first electrode, 116 tops also can influence the minimum external force (activeforce) that can respond to touch-control.Known sensing bed hedgehopping structure 114b of past forms with first substrate, 110 other differences of upper film transistor technology stack of layers, so it can't effectively promote highly all the time.So, when using APR (letterpress) mode alignment film to be transferred on first substrate 110, the residual orientation thickness in sensing bed hedgehopping structure 114b top there is no method and reduces because of difference in height, therefore can influence the minimum external force (active force) of homogeneity and the required touch-control responded to.
Therefore, how to overcome and prevent above-mentioned generation of defects, real problem for demanding urgently overcoming on the production technology of present touch-control display panel.
Summary of the invention
The present invention increases the holding power of touch-control display panel by setting up the auxiliary gap thing, promotes its anti-press degree and life-span, and does not sacrifice the induction sensitivity of contact panel itself.
The present invention can solve the phenomenon of the display abnormality (display abnormal) of contact panel generation, can effectively improve the aperture opening ratio of panel simultaneously.
The gap of being kept between the separation material of touch-control display panel of the present invention and the bed hedgehopping structure can reach with the different variations of altitude combination up and down with multiple tracks technology, so its design has more elasticity and diversity.
The present invention proposes a kind of touch-control display panel and comprises one first substrate, one second substrate and a liquid crystal layer, and wherein second substrate and first substrate are oppositely arranged, and liquid crystal layer then is arranged between first substrate and second substrate.First substrate comprises a plurality of sensing areas and is positioned at a non-sensing area outside these sensing areas, and has one first electrode in each sensing area.Second substrate and first substrate are oppositely arranged, and are positioned at the side that first substrate has sensing area.Second real estate is provided with a plurality of main gap things, a plurality of sensing projection, a plurality of first auxiliary gap thing and a plurality of second auxiliary gap thing to a side of aforementioned first substrate.The main gap thing is connected to the non-sensing area of first substrate.The sensing projection is corresponding to the sensing area of first substrate and have second electrode, and first substrate and second substrate are kept a sensing gap on the position of sensing projection.The first auxiliary gap thing is corresponding to the non-sensing area of first substrate, and first substrate and second substrate are kept first auxiliary gap on the position of the first auxiliary gap thing.The second auxiliary gap thing is corresponding to the non-sensing area of first substrate, and first substrate and second substrate are kept second auxiliary gap on the position of the second auxiliary gap thing.First auxiliary gap is less than sensing gap, and sensing gap is less than second auxiliary gap.
In one embodiment of this invention, the first above-mentioned electrode comprises a sensing electrode.
In one embodiment of this invention, the second above-mentioned electrode comprises uses electrode altogether, and common electrode covers aforesaid sensing projection.
In one embodiment of this invention, at least one in above-mentioned main gap thing, the first auxiliary gap thing and the second auxiliary gap thing covered by aforementioned common electrode.
In one embodiment of this invention, above-mentioned had the height identical with the sensing projection by these main gap things, the first auxiliary gap thing or the second auxiliary gap thing that common electrode covered.
In one embodiment of this invention, at least one in above-mentioned main gap thing, the first auxiliary gap thing and the second auxiliary gap thing is positioned on the aforementioned common electrode.
In one embodiment of this invention, above-mentioned these main gap things, the first auxiliary gap thing or the second auxiliary gap thing that is positioned on the aforementioned common electrode has the height different with the sensing projection.
In one embodiment of this invention, above-mentioned these main gap things, the first auxiliary gap thing or the second auxiliary gap thing that is positioned on the aforementioned common electrode comprises column separation material or spherical separation material.
In one embodiment of this invention, above-mentioned these main gap things, the first auxiliary gap thing or the second auxiliary gap thing that is positioned on the aforementioned common electrode is spherical separation material, and second substrate has a plurality of depressions on the position corresponding to these spherical separation materials, and spherical separation material embeds in the depression.
In one embodiment of this invention, the second above-mentioned substrate more comprises a chromatic filter layer, is positioned under the common electrode layer.
In one embodiment of this invention, the second above-mentioned substrate more comprises a black matrix, is positioned under the common electrode layer.
In one embodiment of this invention, at least a being positioned on the black matrix in above-mentioned sensing projection, main gap thing, the first auxiliary gap thing and the second auxiliary gap thing.
In one embodiment of this invention, the first above-mentioned substrate comprises a plurality of sensing bed hedgehopping structures, a plurality of main bed hedgehopping structure, a plurality of first auxiliary bed hedgehopping structure and a plurality of second auxiliary bed hedgehopping structure.Sensing bed hedgehopping structure is positioned under first electrode of sensing area, and corresponding to the sensing projection.Main bed hedgehopping structure is positioned at non-sensing area, and the corresponding main gap thing that connects.The first auxiliary bed hedgehopping structure is positioned at non-sensing area, and corresponding to the first auxiliary gap thing.The second auxiliary bed hedgehopping structure is positioned at non-sensing area, and corresponding to the second auxiliary gap thing.
In one embodiment of this invention, in above-mentioned sensing bed hedgehopping structure, main bed hedgehopping structure, the first auxiliary bed hedgehopping structure and the second auxiliary bed hedgehopping structure, main bed hedgehopping thickness of structure is greater than the first auxiliary bed hedgehopping thickness of structure, the first auxiliary bed hedgehopping thickness of structure is greater than sensing bed hedgehopping thickness of structure, and sensing bed hedgehopping thickness of structure is greater than the second auxiliary bed hedgehopping thickness of structure.
In one embodiment of this invention, the above-mentioned first auxiliary gap thing the distribution density of second substrate and main gap thing at the ratio of the distribution density of second substrate between 1 to 100.
In one embodiment of this invention, the above-mentioned first auxiliary gap thing the distribution density on second substrate and main gap thing at the ratio of the distribution density on second substrate between 5 to 15.
The present invention proposes a kind of touch-control display panel in addition, comprises one first substrate, one second substrate, a plurality of main supporting structure, a plurality of sensing structure, a plurality of first auxiliary support structure, a plurality of second auxiliary support structure and a liquid crystal layer.Second substrate and first substrate are oppositely arranged, and liquid crystal layer then is arranged between first substrate and second substrate.First substrate comprises a plurality of sensing areas and is positioned at a non-sensing area outside these sensing areas, and has one first electrode in each sensing area.Second substrate and first substrate are oppositely arranged, and are positioned at the side that it has sensing area.Main supporting structure is arranged at non-sensing area, connects first substrate and second substrate.Sensing structure is arranged between first substrate and second substrate of sensing area, and it comprises first electrode, is arranged at a side of first substrate, and one second electrode, is arranged at a side of second substrate, and has a sensing gap between first electrode and second electrode.First auxiliary support structure is arranged between first substrate and second substrate of non-sensing area, and has one first auxiliary gap.Second auxiliary support structure is arranged between first substrate and second substrate of non-sensing area, and has one second auxiliary gap, and wherein first auxiliary gap is less than sensing gap, and sensing gap is less than second auxiliary gap.
In one embodiment of this invention, the first above-mentioned electrode comprises a sensing electrode.
In one embodiment of this invention, above-mentioned second electrode comprises and uses electrode altogether.
In one embodiment of this invention, above-mentioned main supporting structure comprises a main gap thing, is positioned at a side of first substrate, and a main bed hedgehopping structure, is positioned at a side of second substrate, and main gap thing and main bed hedgehopping structure are joined.
In one embodiment of this invention, the first above-mentioned auxiliary support structure comprises one first auxiliary gap thing, is positioned at a side of first substrate, and one first auxiliary bed hedgehopping structure, be positioned at a side of second substrate, have first auxiliary gap between the first auxiliary gap thing and the first auxiliary bed hedgehopping structure.
In one embodiment of this invention, above-mentioned sensing structure comprises a sensing projection, is arranged between first electrode and first substrate, and a sensing bed hedgehopping structure, be arranged at second electrode and second substrate between.
In one embodiment of this invention, the second above-mentioned auxiliary support structure comprises one second auxiliary gap thing, is positioned at a side of first substrate, and one second auxiliary bed hedgehopping structure, be positioned at a side of second substrate, have second auxiliary gap between the second auxiliary gap thing and the second auxiliary bed hedgehopping structure.
Touch-control display panel of the present invention increases the holding power of touch-control display panel by setting up the auxiliary gap thing, promotes its anti-press degree and life-span, and the minimizing touch controllable function is bad or the situation of short circuit.Owing to be not means,, can not increase the chance that the low temperature liquid crystal bubble produces so can not sacrifice the induction sensitivity of contact panel itself to set up main support separation material yet.
In addition, the present invention can adopt multiple tracks separation material technology, so the gap of being kept between separation material and the bed hedgehopping structure can not only change with the height section difference that the first substrate upper film transistor technology forms and reach, more utilized on second substrate, the height change of separation material itself is reached.Therefore, its design has more elasticity and diversity, and can effectively reduce the thickness of alignment film on the sensor pad of first substrate, to increase the induction sensitivity and the whole homogeneity of contact panel itself.
Moreover, by multiple tracks separation material technology, optionally make on main gap thing or other auxiliary gap things not having second electrode, so displacement or during to the group dislocation can solve contact panel and push the time, first electrode of second electrode and below misses bridge joint and the display abnormality phenomenon that produces.Also because of so, to need not again in order preventing, and when the design first substrate Butut, just significantly to draw back the distance of the electrode and the main gap thing of pixel region in advance, so can effectively improve aperture opening ratio to grouping error.
Description of drawings
Fig. 1 is known a kind of touch-control display panel sectional view.
Fig. 2 A～Fig. 2 B is a kind of touch-control display panel sectional view of one embodiment of the invention.
Fig. 3 A～Fig. 3 B is a kind of touch-control display panel sectional view of one embodiment of the invention.
Fig. 4 is a kind of touch-control display panel sectional view of one embodiment of the invention.
Fig. 5 is a kind of touch-control display panel sectional view of one embodiment of the invention.
Fig. 6 is a kind of touch-control display panel sectional view of one embodiment of the invention.
Drawing reference numeral:
100,200: touch-control display panel
110,210: the first substrates
114b: sensing bed hedgehopping structure
116,216: the first electrodes
120,220: the second substrates
126,226: the second electrodes
128a: main gap thing
128b: sensing projection
128c: auxiliary gap thing
130,230: liquid crystal layer
210a: grid layer
210b: gate insulator
210c: semiconductor layer
210d: source layer
210e: protective seam
212a: sweep trace
212b: data line
212c: pixel region
214a: main bed hedgehopping structure
214b: sensing bed hedgehopping structure
214c: the second auxiliary bed hedgehopping structure
214d: the first auxiliary bed hedgehopping structure
218: sensing area
222: black matrix
224: chromatic filter layer
228a, 328a, 428a, 528a, 628a: main gap thing
228b, 328b, 428b, 528b, 628b: sensing projection
228c, 328c, 428c, 528c, 628c: the second auxiliary gap thing
228d, 328d, 428d, 528d, 628d: the first auxiliary gap thing
240a: main supporting structure
240b: sensing bed hedgehopping structure
240c: second auxiliary support structure
240d: first auxiliary support structure
Gs: sensing gap
Gsub1: first auxiliary gap
Gsub2: second auxiliary gap
H: groove
Embodiment
For above-mentioned and other purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, elaborate.
Be noted that what proposed among the following different embodiment can reasonably make up mutually, replace or be omitted under the situation as the thin portion structure of example, with in response to different actual demands.Have common technician in the art and after the explanation of reference the following example, will be understood that spirit of the present invention and technical characterictic, and in not breaking away from spiritual scope of the present invention, make rational variation and application.In addition, for convenience of description, and make description can be easier to be understood, hereinafter adopt identical label to represent similar elements, and may omit the explanatory note of repetition.
Fig. 2 A and Fig. 2 B illustrate a kind of touch-control display panel partial cutaway schematic of one embodiment of the invention.Please refer to Fig. 2 B, touch-control display panel 200 comprises one first substrate 210, one second substrate 220 and a liquid crystal layer 230.First substrate 210 and second substrate 220 are to be oppositely arranged, and 230 of liquid crystal layers are arranged between above-mentioned first substrate 210 and second substrate 220.The present invention is that example describes with the touch-control liquid crystal display panel at this, but not as limit, touch-control display panel of the present invention also can be touch control organic light-emitting display panel etc.
In the present embodiment, first substrate 210 for example is the active component array base board of thin-film transistor array base-plate or other types, and second substrate 220 for example is a colored optical filtering substrates, and it comprises a chromatic filter layer 224 and a black matrix 222.Certainly, the present invention does not limit the kenel of first substrate 210 and second substrate 220.For example, in other embodiments, first substrate 210 can also be COA (the Color Filter on Array that has integrated chromatic filter layer, a kind of colored filter directly is coated on technology on the tft array) substrate or AOC (Array on Color Filter, a kind of tft array directly is produced on technology on the colored filter) substrate, and second substrate 220 is the subtend substrate.
Referring again to Fig. 2 A, first substrate 210 of touch-control display panel 200 has a plurality of sensing areas 218 and is positioned at sensing area 218 a non-sensing area outward, and non-sensing area for example can be the non-display area that shows between the block, but not as limit.Wherein, non-sensing area comprises a plurality of pixel region 212c, and each pixel region 212c and each sensing area 218 are all surrounded by contiguous two sweep trace 212a and two data line 212b.
Refer again to Fig. 2 B, in the present embodiment, touch-control display panel 200 more comprises a plurality of main supporting structure 240a, a plurality of sensing structure 240b, a plurality of first auxiliary support structure 240d and a plurality of second auxiliary support structure 240c.
Wherein, main supporting structure 240a is arranged at non-sensing area, connects first substrate 210 and second substrate 220.Sensing structure 240b is arranged between first substrate 210 and second substrate 220 of corresponding sensing area 218, it comprises one first electrode 216, be arranged at a side of first substrate 210, and one second electrode 226, be arranged at a side of second substrate 220, and have a sensing gap Gs between first electrode 216 and second electrode 226.The first auxiliary support structure 240d is arranged between first substrate 210 and second substrate 220 of corresponding non-sensing area, and it has one first auxiliary gap Gsub1.The second auxiliary support structure 240c is arranged between first substrate 210 and second substrate 220 of corresponding non-sensing area, and it has one second auxiliary gap Gsub2, wherein first auxiliary gap Gsub1＜sensing gap Gs＜second auxiliary gap Gsub2.
In the present embodiment, main supporting structure 240a more comprises the main gap thing 228a that is arranged on second substrate 220.Sensing structure 240b more comprises the sensing projection 228b that is arranged on second substrate 220.The second auxiliary support structure 240c more comprises the second auxiliary gap thing 228c that is arranged on second substrate 220.The first auxiliary support structure 240d more comprises the first auxiliary gap thing 228d that is arranged on second substrate 220.
What deserves to be mentioned is that in the present invention, main gap thing 228a, sensing projection 228b, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d can be corresponding to the lighttight zones on the touch-control display panel 200, to avoid the loss of aperture opening ratio.
For example, with respect to second substrate 220, main gap thing 228a, sensing projection 228b, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d all optionally are made in black matrix 222 tops on second substrate 220, also can directly be made in chromatic filter layer 224 tops on second substrate 220.In the present embodiment, main gap thing 228a, sensing projection 228b, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d all are positioned on the black matrix 222 of second substrate 220.
On the other hand, with respect to first substrate 210, main gap thing 228a, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d are arranged at the top of the non-sensing area of first substrate 210 all accordingly, and can optionally be arranged on sweep trace 212a, data line 212b or other the lighttight zones.In the present embodiment, main gap thing 228a, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d all are positioned at sweep trace 212a top.In addition, sensing projection 228b is arranged at the top of the sensing area 218 of first substrate 210 accordingly.
What deserves to be mentioned is, main gap thing 228a, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d can optionally be arranged on second electrode 226 or under.Referring again to Fig. 2 A, in the present embodiment, sensing projection 228b, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d are with the technology made, hereat have identical height.Afterwards, make second electrode 226, so it has covered the surface of aforementioned sensing projection 228b, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d.At last, make main gap thing 228a on second substrate 220 with another road technology again.That is, one second electrode 226 is arranged and have identical height on the surface of sensing projection 228b, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d, and do not contain second electrode 226 on the surface of main gap thing 228a.
Present embodiment forms main gap thing 228a after being chosen in and forming second electrode 226 again, and therefore second electrode 226 is positioned under the main gap thing 228a, and after 200 groups of touch-control display panels stand, can avoid the problem of second electrode 226 and pixel electrode mistake bridge joint.In other words, when design, do not need painstakingly the pixel electrode and second electrode 226 to be separated, therefore help to strengthen the area of pixel electrode, promote the aperture opening ratio of touch-control display panel 200.In addition, the present invention's demand of can also looking is selected to form after second electrode 226 earlier, forms the second auxiliary gap thing 228c and the first auxiliary gap thing 228d again.
After forming second electrode 226, just form main gap thing 228a, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d, help adjusting the height of main gap thing 228a, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d, and can adopt different technology to form main gap thing 228a, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d respectively, make the technology of panel and structural design have more elasticity and diversity.
Please more simultaneously with reference to Fig. 2 A and Fig. 2 B, in the present embodiment, main supporting structure 240a more comprises the main bed hedgehopping structure 214a that is arranged on first substrate 210.Sensing structure 240b more comprises the sensing bed hedgehopping structure 214b that is arranged on first substrate 210.The second auxiliary support structure 240c more comprises and is arranged at the auxiliary bed hedgehopping structure 214c of second on first substrate 210.The first auxiliary support structure 240d more comprises and is arranged at the auxiliary bed hedgehopping structure 214d of first on first substrate 210.
Wherein, main bed hedgehopping structure 214a is corresponding with the main gap thing 228a on second substrate 220, and joins each other with it.Sensing bed hedgehopping structure 214b is corresponding with the sensing projection 228b on second substrate 220, and has a sensing gap Gs with it.The second auxiliary bed hedgehopping structure 214c is corresponding with the second auxiliary gap thing 228c on second substrate 220, and has a sensing gap Gsub2 with it.The first auxiliary bed hedgehopping structure 214d is corresponding with the first auxiliary gap thing 228d on second substrate 220, and has a sensing gap Gsub1 with it.Wherein sensing gap Gs greater than the first auxiliary gap Gsub1 less than the second auxiliary gap Gsub2, second auxiliary gap Gsub2＞sensing gap Gs＞first auxiliary gap Gsub1 just.
What deserves to be mentioned is that the height of main bed hedgehopping structure 214a, sensing bed hedgehopping structure 214b, the second auxiliary bed hedgehopping structure 214c and the first auxiliary bed hedgehopping structure 214d can have various permutation and combination.Please refer to Fig. 2 B, in the present embodiment, the thickness of the auxiliary bed hedgehopping structure 214c of thickness＞second of thickness＞sensing bed hedgehopping structure 214b of the auxiliary bed hedgehopping structure 214d of thickness＞first of the main bed hedgehopping structure 214a on first substrate 210.In another kind of possibility, the height of main bed hedgehopping structure 214a, sensing bed hedgehopping structure 214b, the second auxiliary bed hedgehopping structure 214c and the first auxiliary bed hedgehopping structure 214d also can be identical, or have other possible permutation and combination.
What deserves to be mentioned is that the height of main bed hedgehopping structure 214a, sensing bed hedgehopping structure 214b, the second auxiliary bed hedgehopping structure 214c and the first auxiliary bed hedgehopping structure 214d is that the thin film transistor (TFT) metal stack technology by first substrate 210 is formed.In the present embodiment, main bed hedgehopping structure 214a is stacked by the grid layer 210a in the thin film transistor (TFT) technology, gate insulator 210b, semiconductor layer 210c, source layer 210d and protective seam 210e to form.Sensing bed hedgehopping structure 214b is stacked by grid layer 210a, gate insulator 210b and protective seam 210e to form.The first auxiliary bed hedgehopping structure 214d is stacked by grid layer 210a, gate insulator 210b, semiconductor layer 210c and protective seam 210e to form.The second auxiliary bed hedgehopping structure 214c is stacked by grid layer 210a and gate insulator 210b to form.
In one embodiment of the invention, sensing structure 240b, the sensing gap Gs that the first auxiliary support structure 240d and the second auxiliary support structure 240c are had, the first auxiliary gap Gsub1 and the second auxiliary gap Gsub2, can not only be with formed sensing bed hedgehopping structure 214b in above-mentioned first substrate, the 210 thin film transistor (TFT) metal stack technologies, the first auxiliary bed hedgehopping structure 214d and the second auxiliary bed hedgehopping structure 214c height section difference change to be reached, more utilized sensing projection 228b on second substrate 220, the height change of the first auxiliary gap thing 228d and the second auxiliary gap thing 228c itself is reached, utilize above two kinds of parameter permutation and combination, to reach the purpose of second auxiliary gap Gsub2＞sensing gap Gs＞first auxiliary gap Gsub1.
And separation material can be taked the not practice of people having a common goal's technology on second substrate 220, also make main gap thing 228a, the second auxiliary gap thing 228c and the first auxiliary gap thing 228d can select whether to be coated by second electrode 226, therefore, its global design has more elasticity and diversity.
In all possible embodiment, shown in Fig. 2 A～Fig. 2 B, first electrode 216 can comprise a sensing electrode, and second electrode 226 can comprise uses electrode altogether, and common electrode covers all sensing projection 228b.The first auxiliary gap thing 228d and main gap thing 228a at the ratio of the distribution density of this second substrate 220 between 1 to 100, preferably wherein, the first auxiliary gap thing 228d and main gap thing 228a are between 5 to 15 at the ratio of the distribution density of this second substrate 220.
Fig. 3 A～Fig. 6 illustrates each possibility element and enforcement aspect of the touch-control display panel 200 of Fig. 2 B respectively, and its basic framework and principle partly please will be given unnecessary details below the common part no longer one by one simultaneously with reference to Fig. 2 B.
Please earlier simultaneously with reference to Fig. 3 A and Fig. 2 B, in the present embodiment, touch-control display panel 200 only has one second electrode 226 on the surface of sensing projection 328b, and neitherly on the surface of main gap thing 328a, the second auxiliary gap thing 328c and the first auxiliary gap thing 328d has second electrode 226.
In the present embodiment, first electrode 216 can comprise a sensing electrode, and second electrode 226 can comprise uses electrode altogether, and common electrode covers sensing projection 328b.The first auxiliary gap thing 328d and main gap thing 328a at the ratio of the distribution density of this second substrate 220 between 1 to 100, preferably wherein, the first auxiliary gap thing 328d and main gap thing 328a are between 3 to 50 at the ratio of the distribution density of this second substrate 220, better person, the first auxiliary gap thing 328d and main gap thing 328a are between 5 to 15 at the ratio of the distribution density of this second substrate 220.
Again please be simultaneously with reference to Fig. 3 B and Fig. 2 B, in the present embodiment, touch-control display panel 200 has only the surface of the sensing projection 328b and the second auxiliary gap thing 328c to have one second electrode 226, and does not contain second electrode 226 on the surface of the main gap thing 328a and the first auxiliary gap thing 328d.
In the present embodiment, first electrode 216 can comprise a sensing electrode, and second electrode 226 can comprise uses electrode altogether, and common electrode covers sensing projection 328b.The first auxiliary gap thing 328d and main gap thing 328a at the ratio of the distribution density of this second substrate 220 between 1 to 100, preferably wherein, the first auxiliary gap thing 328d and main gap thing 328a are between 3 to 50 at the ratio of the distribution density of this second substrate 220, better person, the first auxiliary gap thing 328d and main gap thing 328a are between 5 to 15 at the ratio of the distribution density of this second substrate 220.
Again please be simultaneously with reference to Fig. 4 and Fig. 2 B, in the present embodiment, touch-control display panel 200 has only the surface of sensing projection 428b, the second auxiliary gap thing 428c and the first auxiliary gap thing 428d to have one second electrode 226, after having made second electrode 226, just make main gap thing 428a in the mode that drops into spherical separation material (inject ball spacer), therefore, the surface of main gap thing 428a does not contain second electrode 226.
In the present embodiment, first electrode 216 can comprise a sensing electrode, and second electrode 226 can comprise uses electrode altogether, and second electrode 226 covers sensing projection 428b.The first auxiliary gap thing 428d and main gap thing 428a at the ratio of the distribution density of this second substrate 220 between 1 to 100, preferably wherein, the first auxiliary gap thing 328d and main gap thing 328a are between 3 to 50 at the ratio of the distribution density of this second substrate 220, better person, the first auxiliary gap thing 428d and main gap thing 428a are between 5 to 15 at the ratio of the distribution density of this second substrate 220.
Again please be simultaneously with reference to Fig. 5 and Fig. 2 B, in the present embodiment, touch-control display panel 200 has only on the surface of sensing projection 528b and contains second electrode 226, after having made second electrode 226, just make the second auxiliary gap thing 528c with the photoetching process of thin film transistor (TFT), and the mode that drops into spherical separation material is made the main gap thing 528a and the first auxiliary gap thing 528d, therefore, neither second electrode 226 that contains on main gap thing 528a, the first auxiliary gap thing 528d and the second auxiliary gap thing 528c surface.
In the present embodiment, first electrode 216 can comprise a sensing electrode, and second electrode 226 can comprise uses electrode altogether, and common electrode covers sensing projection 528b.The first auxiliary gap thing 528d and main gap thing 528a at the ratio of the distribution density of this second substrate 220 between 1 to 100, preferably wherein, the first auxiliary gap thing 328d and main gap thing 328a are between 3 to 50 at the ratio of the distribution density of this second substrate 220, better person, the first auxiliary gap thing 528d and main gap thing 528a are between 5 to 15 at the ratio of the distribution density of this second substrate 220.
Again please be simultaneously with reference to Fig. 6 and Fig. 2 B, in the present embodiment, touch-control display panel 200 has only on the surface of the sensing projection 628b and the second auxiliary gap thing 628c and contains second electrode 226, that is, after having made second electrode 226, just make the first auxiliary gap thing 628d with the photoetching process of thin film transistor (TFT), and the mode that drops into spherical separation material is made main gap thing 628a, therefore neitherly on the main gap thing 628a and the first auxiliary gap thing 628d surface contain second electrode 226, and main gap thing 628a is a spherical body.In the present embodiment, second substrate 220 has a groove H in the spherical main gap thing 628a part of correspondence, is used for the more appropriate main gap thing 628a that embeds easily, with the fixing position of main gap thing 628a.
In the present embodiment, first electrode 216 can comprise a sensing electrode, and second electrode 226 can comprise uses electrode altogether, and common electrode covers sensing projection 628b.The first auxiliary gap thing 628d and main gap thing 628a at the ratio of the distribution density of this second substrate 220 between 1 to 100, preferably wherein, the first auxiliary gap thing 628d and main gap thing 628a are between 5 to 15 at the ratio of the distribution density of this second substrate 220.
Except above-mentioned variation, main gap thing 628a, sensing projection 228b, the first auxiliary gap thing 628d, the second auxiliary gap thing 528c also can oppositely be arranged on first substrate 210, as long as reach the relation of aforementioned gap of the present invention.
In sum, display panel of the present invention has following advantage at least.At first,, increase the holding power of aforementioned touch-control display panel, and promote its withstand voltage degree and life-span by setting up the first auxiliary gap thing.Since additionally do not set up the main gap thing, the phenomenon that the low temperature liquid crystal bubble produces under the low temperature environment can be reduced, and need not to improve required externally applied forces, that is the induction sensitivity of touch-control can not reduce.
Secondly, by multiple tracks separation material technology, make to change with formed height section difference in the first substrate upper film transistor photoetching process and reach in the gap of being kept between separation material and the bed hedgehopping structure, more utilized the height change of separation material on second substrate itself to reach.Therefore, its design has more elasticity and diversity.
Moreover, by multiple tracks separation material technology, after must completing in second electrode on second substrate, more main stilt or other auxiliary gap things are fabricated on second substrate, that is, optionally make on main gap thing or other auxiliary gap things not having second electrode; So in the time of can effectively solving contact panel and push during because of main gap thing or the displacement of auxiliary gap thing or to the group dislocation, the main gap thing of non-sensing area or second electrode on the auxiliary gap thing, with first electrode mistake bridge joint of below, and the display abnormality phenomenon that produces.Also because of so, to need not again in order preventing, and when the design first substrate Butut, just significantly to draw back the distance of the electrode and the main gap thing of pixel region in advance, so can effectively improve aperture opening ratio to grouping error.
Though the present invention discloses as above with embodiment; right its is not in order to limit the present invention; any those of ordinary skill in the art; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention defines and is as the criterion when looking appended claim scope.
Claims (24)
1. a touch-control display panel is characterized in that, described touch-control display panel comprises:
One first substrate comprises a plurality of sensing areas and is positioned at a non-sensing area outside described a plurality of sensing area, and has one first electrode in each sensing area;
One second substrate is positioned at the described side of described first substrate, and is oppositely arranged with described first substrate, and described second substrate comprises:
A plurality of main gap things are arranged at the side of described second real estate to described first substrate, and described a plurality of main gap thing is connected to the non-sensing area of described first substrate;
A plurality of sensing projections, be arranged at the side of described second real estate to described first substrate, described a plurality of sensing projection is corresponding to described a plurality of sensing areas of described first substrate, have one second electrode on each described sensing projection, and described first substrate and described second substrate are kept a sensing gap on the position of described a plurality of sensing projections;
A plurality of first auxiliary gap things, be arranged at the side of described second real estate to described first substrate, described a plurality of first auxiliary gap thing is corresponding to the non-sensing area of described first substrate, and described first substrate and described second substrate are kept one first auxiliary gap on the position of described a plurality of first auxiliary gap things;
A plurality of second auxiliary gap things, be arranged at the side of described second real estate to described first substrate, described a plurality of second auxiliary gap thing is corresponding to the non-sensing area of described first substrate, and described first substrate and described second substrate are kept one second auxiliary gap on the position of described a plurality of second auxiliary gap things, wherein said first auxiliary gap is less than described sensing gap, and described sensing gap is less than described second auxiliary gap; And
One liquid crystal layer is arranged between described first substrate and described second substrate.
2. touch-control display panel as claimed in claim 1 is characterized in that, described first electrode comprises a sensing electrode.
3. touch-control display panel as claimed in claim 1 is characterized in that, described second electrode comprises uses electrode altogether, and described common electrode covers described a plurality of sensing projection.
4. touch-control display panel as claimed in claim 3 is characterized in that, at least one in described a plurality of main gap things, described a plurality of first auxiliary gap things and the described a plurality of second auxiliary gap thing covered by described common electrode.
5. touch-control display panel as claimed in claim 4, it is characterized in that being had and the identical height of described a plurality of sensing projections by described a plurality of main gap things that described common electrode covered, described a plurality of first auxiliary gap things or described a plurality of second auxiliary gap thing.
6. touch-control display panel as claimed in claim 3 is characterized in that, at least one in described a plurality of main gap things, described a plurality of first auxiliary gap things and the described a plurality of second auxiliary gap thing is positioned on the described common electrode.
7. touch-control display panel as claimed in claim 6, it is characterized in that, be positioned at the described a plurality of main gap things on the described common electrode, described a plurality of first auxiliary gap things or described a plurality of second auxiliary gap thing and have and the different height of described a plurality of sensing projections.
8. touch-control display panel as claimed in claim 6 is characterized in that, is positioned at the described a plurality of main gap things on the described common electrode, described a plurality of first auxiliary gap things or described a plurality of second auxiliary gap thing and comprises column separation material or spherical separation material.
9. touch-control display panel as claimed in claim 8, it is characterized in that, being positioned at the described a plurality of main gap things on the described common electrode, described a plurality of first auxiliary gap things or described a plurality of second auxiliary gap thing is spherical separation material, and described second substrate has a plurality of depressions on the position corresponding to described a plurality of spherical separation materials, and described a plurality of spherical separation materials embed in described a plurality of depression.
10. touch-control display panel as claimed in claim 3 is characterized in that, described second substrate more comprises a chromatic filter layer, is positioned under the described common electrode layer.
11. touch-control display panel as claimed in claim 10 is characterized in that, described second substrate more comprises a black matrix, is positioned under the described common electrode layer.
12. touch-control display panel as claimed in claim 11 is characterized in that, at least a being positioned on the described black matrix in described a plurality of sensing projections, described a plurality of main gap things, described a plurality of first auxiliary gap things and the described a plurality of second auxiliary gap thing.
13. touch-control display panel as claimed in claim 1 is characterized in that, described first substrate comprises:
A plurality of sensing bed hedgehopping structures are positioned under described a plurality of first electrodes of described a plurality of sensing areas, and corresponding to described a plurality of sensing projections;
A plurality of main bed hedgehopping structures are positioned at described non-sensing area, and the described a plurality of main gap things of corresponding connection;
The a plurality of first auxiliary bed hedgehopping structure is positioned at described non-sensing area, and corresponding to described a plurality of first auxiliary gap things; And
The a plurality of second auxiliary bed hedgehopping structure is positioned at described non-sensing area, and corresponding to described a plurality of second auxiliary gap things.
14. touch-control display panel as claimed in claim 13, it is characterized in that, in described a plurality of sensing bed hedgehopping structure, described a plurality of main bed hedgehopping structures, the described a plurality of first auxiliary bed hedgehopping structure and the described a plurality of second auxiliary bed hedgehopping structure, described a plurality of main bed hedgehopping thickness of structure is greater than the described a plurality of first auxiliary bed hedgehopping thickness of structure, the described a plurality of first auxiliary bed hedgehopping thickness of structure is greater than described a plurality of sensing bed hedgehopping thickness of structure, and described a plurality of sensing bed hedgehopping thickness of structure is greater than the described a plurality of second auxiliary bed hedgehopping thickness of structure.
15. touch-control display panel as claimed in claim 1 is characterized in that, described a plurality of first auxiliary gap things the distribution density of described second substrate and described a plurality of main gap thing at the ratio of the distribution density of described second substrate between 1 to 100.
16. touch-control display panel as claimed in claim 1 is characterized in that, the ratio of described a plurality of first auxiliary gap things distribution density on described second substrate in the distribution density on described second substrate and described a plurality of main gap thing is between 5 to 15.
17. a touch-control display panel is characterized in that, described touch-control display panel comprises:
One first substrate comprises a plurality of sensing areas and is positioned at a non-sensing area outside described a plurality of sensing area, and has one first electrode in each sensing area;
One second substrate is positioned at the described side of described first substrate, and is oppositely arranged with described first substrate;
A plurality of main supporting structures are arranged at described non-sensing area, connect described first substrate and described second base stage;
A plurality of sensing structures, be arranged between described first substrate and described second substrate of described a plurality of sensing areas, described a plurality of sensing structure comprises one first electrode, be arranged at a side of described first substrate, and one second electrode, be arranged at a side of described second substrate, and have a sensing gap between described first electrode and described second electrode;
A plurality of first auxiliary support structures are arranged between described first substrate and described second substrate of described non-sensing area, and described a plurality of first auxiliary support structures have one first auxiliary gap;
A plurality of second auxiliary support structures, be arranged between described first substrate and described second substrate of non-sensing area, described a plurality of second auxiliary support structure has one second auxiliary gap, wherein said first auxiliary gap is less than described sensing gap, and described sensing gap is less than described second auxiliary gap; And
One liquid crystal layer is arranged between described first substrate and described second substrate.
18. touch-control display panel as claimed in claim 17 is characterized in that, described first electrode comprises a sensing electrode.
19. touch-control display panel as claimed in claim 17 is characterized in that, described second electrode comprises uses electrode altogether.
20. touch-control display panel as claimed in claim 17, it is characterized in that described main supporting structure comprises a main gap thing, be positioned at a side of described first substrate, and one main bed hedgehopping structure be positioned at a side of described second substrate, and described main gap thing and described main bed hedgehopping structure are joined.
21. touch-control display panel as claimed in claim 17, it is characterized in that, described first auxiliary support structure comprises one first auxiliary gap thing, be positioned at a side of described first substrate, and one first auxiliary bed hedgehopping structure be positioned at a side of described second substrate, the described first auxiliary gap thing and described first is assisted between the bed hedgehopping structure has described first auxiliary gap.
22. touch-control display panel as claimed in claim 17, it is characterized in that described sensing structure comprises a sensing projection, be arranged between described first electrode and described first substrate, and a sensing bed hedgehopping structure, be arranged between described second electrode and described second substrate.
23. touch-control display panel as claimed in claim 17, it is characterized in that, described second auxiliary support structure comprises one second auxiliary gap thing, be positioned at a side of described first substrate, and one second auxiliary bed hedgehopping structure be positioned at a side of described second substrate, the described second auxiliary gap thing and described second is assisted between the bed hedgehopping structure has described second auxiliary gap.
24. a touch-control display panel is characterized in that, described touch-control display panel comprises:
One first substrate comprises a plurality of sensing areas and is positioned at a non-sensing area outside described a plurality of sensing area, and has one first electrode in each sensing area;
One second substrate is positioned at the described side of described first substrate, and is oppositely arranged with described first substrate;
A plurality of main supporting structures are arranged at described non-sensing area, connect described first substrate and described second substrate;
A plurality of sensing structures, be arranged between described first substrate and described second substrate of described a plurality of sensing areas, described a plurality of sensing structure comprises one first electrode, be arranged at a side of described first substrate, and one second electrode, be arranged at a side of described second substrate, and have a sensing gap between described first electrode and described second electrode;
A plurality of first auxiliary support structures are arranged between described first substrate and described second substrate of described non-sensing area, and described a plurality of first auxiliary support structures have one first auxiliary gap; And
A plurality of second auxiliary support structures, be arranged between described first substrate and described second substrate of non-sensing area, described a plurality of second auxiliary support structure has one second auxiliary gap, wherein said first auxiliary gap is less than described sensing gap, and described sensing gap is less than described second auxiliary gap.
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| CN2008101742785A CN101408820B (en) | 2008-11-17 | 2008-11-17 | Touch control display panel |
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