CN104991368A - Embedded touch display panel - Google Patents
Embedded touch display panel Download PDFInfo
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- CN104991368A CN104991368A CN201510446639.7A CN201510446639A CN104991368A CN 104991368 A CN104991368 A CN 104991368A CN 201510446639 A CN201510446639 A CN 201510446639A CN 104991368 A CN104991368 A CN 104991368A
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- 238000009413 insulation Methods 0.000 claims description 70
- 239000000725 suspension Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 101100536808 Tetrahymena thermophila TGP1 gene Proteins 0.000 description 14
- 238000010586 diagram Methods 0.000 description 13
- 239000002184 metal Substances 0.000 description 9
- 238000009826 distribution Methods 0.000 description 8
- 239000000758 substrate Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000003447 ipsilateral effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910020286 SiOxNy Inorganic materials 0.000 description 1
- 229910020776 SixNy Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133345—Insulating layers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Position Input By Displaying (AREA)
Abstract
The present disclosure provides an in-cell touch display panel having a display area and a peripheral area, wherein the display area includes a plurality of pixel areas arranged in an array. The embedded touch display panel comprises a plurality of active elements, a plurality of data lines, a plurality of gate lines, a plurality of signal lines, a first insulating layer, a plurality of first electrodes, a second insulating layer, a plurality of first sensing signal lines, a third insulating layer and a plurality of second electrodes. Each data line, each signal line and each first sensing signal line are respectively positioned between different adjacent pixel areas, and the data lines, the signal lines and the first sensing signal lines are not overlapped in the vertical projection direction. The number of external pins of the embedded touch display panel can be effectively reduced, so that the width of a frame of the whole device is reduced.
Description
Technical field
The present invention relates to a kind of display panel, and in particular to a kind of In-cell touch display panel.
Background technology
Existing high image quality (Full High Definition, being called for short FHD) In-cell touch display panel inserts plain conductor between pixel electrode and common electrode, using the wire as touch-control sensing line (TPsensor line), it is connected in series common electrode in each sub-pixel (Sub-Pixel) to become touch sensing, and by the continuous operations driving wafer signal to come between switchable liquid crystal screen and Touch Screen.
But, though self-capacitance type touch panel general at present has the simple advantage of structure, but by this structural integrity when the high-resolution In-cell touch display panel, there will be the problem that outer pin position (pin) number is too much, and rob the space of outer pin (OuterLead Bonding is called for short OLB) mutually with fan-out (fan-out) circuit of LCD screen itself.In addition, in the sub-pixel of connection In-cell touch display panel, the plain conductor of common electrode is parallel with data line (data line) direction of routing, thus causes overlapping area between it excessive, thus increases capacitive load.
Summary of the invention
The invention provides a kind of In-cell touch display panel, it has the data line, signal wire and the sensing signal line that lay respectively between different adjacent rows pixel regions, and each data line, each signal wire and each first sensing signal line are underlapped on vertical projection direction.
The present invention proposes a kind of In-cell touch display panel, there is viewing area and peripheral region, and viewing area comprises multiple pixel regions of arrayed, In-cell touch display panel comprises multiple active member, a plurality of data lines, many articles of gate lines, many signal line, the first insulation course, multiple first electrode, the second insulation course, many articles of the first sensing signal line, the 3rd insulation course and multiple second electrodes.Main element lays respectively in corresponding pixel region.Data line extends to neighboring area from viewing area, and is electrically connected to corresponding active member respectively.Gate line is positioned at viewing area and vertical data line, and gate line is electrically connected to corresponding active member respectively.Signal wire extends to neighboring area from viewing area, and each signal wire bearing of trend is parallel to the bearing of trend of each data line.First insulation course is configured at viewing area and neighboring area, and the first insulation course covers active member, data line, gate line and signal wire.First electrode is configured on the first insulation course.Second insulation course is configured on the first insulation course, and covers the first electrode.First sensing signal line is configured on the second insulation course, and the first sensing signal line extends to neighboring area from viewing area.The bearing of trend of each first sensing signal line is parallel to the bearing of trend of each data line.3rd insulation course is configured on the second insulation course, and covers the first signal sensing line.Second electrode is configured on the 3rd insulation course, and is electrically connected to corresponding first sensing signal line respectively.Each data line, each signal wire and each first sensing signal line lay respectively between different adjacent rows pixel regions, and each data line, each signal wire and each first sensing signal line are underlapped on vertical projection direction.
In one embodiment of this invention, the first above-mentioned electrode comprises multiple pixel electrode, is electrically connected to corresponding active member, and the second electrode comprises multiple common electrode.
In one embodiment of this invention, above-mentioned In-cell touch display panel also comprises many second sensing signal line, extends to neighboring area from viewing area.First insulation course covers the second sensing signal line, the first sensing signal line on vertical projection direction respectively with the second sensing signal line overlap, and each first sensing signal line is electrically connected to corresponding second sensing signal line.
In one embodiment of this invention, above-mentioned In-cell touch display panel also comprises many first connecting lines, is configured between the first insulation course and the second insulation course, and is electrically connected to corresponding second sensing signal line respectively.Many articles the second connecting line is configured on the 3rd insulation course, and is electrically connected at respectively between corresponding first sensing signal line and the first connecting line.
In one embodiment of this invention, the first above-mentioned electrode comprises multiple common electrode, and the second electrode comprises multiple pixel electrode.
In one embodiment of this invention, above-mentioned In-cell touch display panel also comprises many connecting lines.Connecting line is configured between the second insulation course and the 3rd insulation course, and is electrically connected at respectively between corresponding first sensing signal line and the second sensing signal line.
In one embodiment of this invention, above-mentioned signal wire comprises multiple signal line, is electrically connected to corresponding gate line respectively.
In one embodiment of this invention, above-mentioned signal wire comprises multiple suspension joint signal wire.
Based on above-mentioned, the viewing area of In-cell touch display panel of the present invention comprises multiple pixel regions of arrayed, and data line, signal wire and sensing signal line lay respectively between different adjacent rows pixel regions, and data line, signal wire and the first sensing signal line are underlapped on vertical projection direction.In addition, the bearing of trend of signal wire and sensing signal line is parallel to the bearing of trend of data line.According to circuit layout's mode of above-mentioned In-cell touch display panel, signal wire and sensing signal line can be placed in the viewing area of arrayed.Therefore, the external pin number order of In-cell touch display panel can effectively reduce, thus the border width of reduction single unit system.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate Figure of description to be described in detail below.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the In-cell touch display panel of one embodiment of the invention.
Fig. 2 A to Fig. 2 F is the schematic diagram of the method for making of the In-cell touch display panel of one embodiment of the invention.
Fig. 3 A, Fig. 3 B are the schematic diagram of the In-cell touch display panel of another embodiment of the present invention.
Fig. 4 A, Fig. 4 B are the schematic diagram of the In-cell touch display panel of another embodiment of the present invention.
Fig. 5 A, Fig. 5 B and Fig. 5 C are the schematic diagram of the In-cell touch display panel of another embodiment of the present invention.
Fig. 6 A, Fig. 6 B and Fig. 6 C are the schematic diagram of the In-cell touch display panel of another embodiment of the present invention.
Description of reference numerals:
100,200,300,400,500,600: embedded touch Display Panel
170: active member
201-206: step
210,310: substrate
220: active member
230: pixel electrode
221: source electrode
222: drain electrode
223: grid
224: channel layer
240: the first perforates
241: the second perforates
242: the three perforates
250: the first metal layer
260: the second metal levels
270: common electrode
320,420: the first electrodes
322,442: pixel electrode
340,440: the second electrodes
342,422: common electrode
350: viewing area
360: neighboring area
370: source electrode driver
521: the first connecting lines
541: the second connecting lines
621: connecting line
BP1: the first insulation course
BP2: the second insulation course
BP3: the three insulation course
D1 ... Dn: data line
G1 ... Gn: gate line
P1-P9: pixel region
PL: flatness layer
S1-S3: source electrode distribution
T1, T2: cabling
TP1...TPn: the first sensing signal line
TP21 ... T2n, TP31 ... T3n: the second sensing signal line
TGP1 ... TGPn: signal wire
Embodiment
Fig. 1 is the schematic diagram of the In-cell touch display panel of one embodiment of the invention.In the present embodiment, In-cell touch display panel 100 adopts OTSD (one third source driving is called for short OTSD) framework, and under this framework, three sub-pixels share a source electrode distribution (source line).Such as, in Fig. 1 arrayed sub-pixel P1-P9 in sub-pixel P1, P5, P9 common-source distribution S1, and to charge for sub-pixel P1, P5, P9 respectively according to the driver' s timing of gate lines G 1, G2, G3.In the present embodiment, adopt the In-cell touch display panel 100 of above-mentioned framework, after the decreased number of source electrode distribution, the source electrode wiring space of part originally can be utilized to do cabling design, and such as, cabling T1 or T2 in Fig. 1 can be touch sense signals line or signal wire.In addition, with the high image quality of five inch (Full High Definition, and there is the In-cell touch display panel 100 of 1920*1080 vertical type (Portrait) resolution for example FHD), In-cell touch display panel 100 has 3240 source electrode distributions originally, after adopting OTSD framework, be only left 1080 source electrode distributions, the source electrode wiring space of 2160 can be saved.Moreover, in the present embodiment, 2160 the source electrode wiring space saved preferentially can insert touch sense signals line or the signal wire of 390, and then fill in the gate line (gate line totally 1920) of 1770 with remaining space (2160-390=1770).150 remaining gate lines, then the circuit of another formation left and right, the both sides fan-out (L/R fan out) in framework.Due to the most gate line of the present embodiment be placed in reduce source electrode distribution after in the space of saving, therefore, In-cell touch display panel 100 can effectively reduce in the wire count of its left and right sides fan-out, and then makes integral panels have narrower frame.With regard to above-mentioned example, In-cell touch display panel 100 can have the frame size being less than 0.8 millimeter under above-mentioned situation.
Fig. 2 A to Fig. 2 F is the schematic diagram of the method for making of the In-cell touch display panel of one embodiment of the invention, and wherein Fig. 2 A to Fig. 2 F comprises the schematic top plan view of In-cell touch display panel 200 respectively, and along the diagrammatic cross-section of AA ' line.Please refer to Fig. 2 A, the generation type of the In-cell touch display panel 200 of the present embodiment is prior to substrate 210 forms active member 220, on substrate 210, form the first insulation course BP1 covering active member 220 again, wherein active member 220 comprises source electrode 221, drain electrode 222, grid 223 and channel layer 224.In addition, the first insulation course BP1 has the first perforate 240, first perforate 240 and extends to the first metal layer 250 (Fig. 2 A, step 201) by the surface of the first insulation course BP1.Then, flatness layer PL is formed on the first insulation course BP1, and be such as form the second perforate 241 with the etching mode of yellow light lithography on flatness layer PL, wherein the second perforate 241 is extended to the surface (Fig. 2 B, step 202) of the first metal layer 250 via the first perforate 240 by the surface of flatness layer PL.After formation flatness layer PL layer and the second perforate 241, formed pixel electrode 230 in part flatness layer PL on and cover first and second perforate 240,241 completely, to make pixel electrode 230 through the first perforate 240 bridge joint the first metal layer 250 (Fig. 2 C, step 203).Then, on flatness layer PL and pixel electrode 230, deposit the second insulation course BP2, and in part the second insulation course BP2 on depositing second metal layer 260 (Fig. 2 D, step 204).Then, after formation second metal level 260, formation the 3rd insulation course BP 3 on the second insulation course BP2, wherein the 3rd insulation course BP3 has the second metal level 260 (Fig. 2 E, step 205) that the 3rd opening 242 exposes part.Finally, after completing the procedure, on the 3rd insulation course BP3, form common electrode 270, and common electrode 270 covers the 3rd opening 242 completely.Common electrode 270 is via the 3rd opening 242 bridge joint second metal level 260 (Fig. 2 F, step 206).So far, the manufacturing process of In-cell touch display panel 200 is completed.In the present embodiment, flatness layer PL can be formed by monox and silicon nitride, and as SiO2, SiOxNy and SixNy etc., and first, second and third insulation course BP1, BP2, BP3 can be formed by carbon, oxide or other dielectric material.
Fig. 3 A, Fig. 3 B are the schematic diagram of the In-cell touch display panel of another embodiment of the present invention, and wherein Fig. 3 B is part (the square frame place in Fig. 3 A) diagrammatic cross-section of Fig. 3 A.Please refer to Fig. 1, Fig. 3 A and Fig. 3 B, the In-cell touch display panel 300 of the present embodiment comprises the active member 170 be illustrated in Tu1Zhong different pixels district P1-P9 and a plurality of data lines D1, the D2....Dn that are illustrated in Fig. 3 A, 3B, many gate lines G 1....Gn, many signal line TGP1....TGPn, many first sensing signal line TP1....TPn, multiple first electrode 320 and multiple second electrodes 340 (it is that example explains that Fig. 3 B only illustrates a data line D1, an a signal line TGP1 and one first sensing signal line TP1).In the present embodiment, each data line D1, D2....Dn, each signal wire TGP1....TGPn and each first sensing signal line TP1....TPn lay respectively between different neighbor district P1-P9, and each data line D1, D2....Dn, each signal wire TGP1....TGPn and each first sensing signal line TP1....TPn are underlapped on its vertical projection direction.
In addition, the data line D1 of the present embodiment extends to neighboring area 360 from viewing area 350, and is electrically connected the active member 170 in each pixel region P1-P9 in Fig. 1 respectively.In addition, signal wire TGP1 extends to neighboring area 360 by viewing area 350, and the direction that signal wire TGP1 extends is parallel to the bearing of trend of data line D1.In addition, please refer to Fig. 3 A and Fig. 3 B, the flatness layer PL that the In-cell touch display panel 300 of the present embodiment comprises the first insulation course BP1 and configures on it, wherein the first insulation course BP1 is configured at viewing area 350 and neighboring area 360.The active member 170 of the first insulation course BP1 coverage diagram 1, data line D1, gate lines G 1 ~ G3 and signal wire TGP1.In addition, first electrode 320 of the present embodiment is configured on the first insulation course BP1 and flatness layer PL.
Moreover please refer to Fig. 3 B, In-cell touch display panel 300 also comprises the second insulation course BP2, and the second insulation course BP2 is configured on the first insulation course BP1 and flatness layer PL, and cover the first electrode 320 be configured on the first insulation course BP1.First sensing signal line TP1 is configured on the second insulation course BP2, and the first sensing signal line TP1 extends to neighboring area 360 by viewing area 350.In the present embodiment, the bearing of trend of the first sensing signal line TP1 is parallel with the bearing of trend of data line D1.
Refer again to Fig. 3 B, In-cell touch display panel 300 also comprises the 3rd insulation course BP3, and the 3rd insulation course BP3 to be configured on the second insulation course BP2 and to cover the first sensing signal line TP1 be configured on the second insulation course BP2.In addition, the second electrode 340 is configured on the 3rd insulation course BP3, and the second electrode 340 is electrically connected to corresponding first sensing signal line TP1 respectively.For example, the first electrode 320 comprises multiple pixel electrode 322, and pixel electrode 322 is electrically connected to the interior corresponding active member 170 of pixel region P1-P9 of Fig. 1.Moreover second electrode 340 of the present embodiment comprises multiple common electrode 342.Therefore, the common electrode 342 that Fig. 3 B illustrates is configured on pixel electrode 322.In addition, as shown in Figure 3A, the embedded touch control panel 300 of the present embodiment also comprises source electrode driver 370, and it connects a plurality of data lines D1....Dn, many signal line TGP1....TGPn and many first sensing signal line TP1....TPn.
Furthermore, the In-cell touch display panel 300 illustrated due to Fig. 3 A, 3B adopts above-mentioned OTSD framework, therefore, the present embodiment can insert signal wire TGP1 or the first signal sensing line TP1 in the source electrode wiring space saved, signal wire TGP1 and the first signal sensing line TP1 is placed in the viewing area of In-cell touch display panel 300, and then reduces outer pin position (pin) number needed for In-cell touch display panel 300.
On the other hand, the signal wire TGP1....TGPn of the present embodiment is such as many signal lines, and it connects corresponding gate lines G 1....Gn respectively.Or signal wire TGP1....TGPn can be multiple suspension joint signal wire.The present invention is not limited for the form of signal wire TGP1....TGPn or function.
Fig. 4 A, Fig. 4 B are the schematic diagram of the In-cell touch display panel of another embodiment of the present invention, and wherein Fig. 4 B is the partial cutaway schematic view (the square frame place in Fig. 4 A) of Fig. 4 A.In another embodiment that Fig. 4 A, Fig. 4 B illustrate, In-cell touch display panel 400 has similar structure with the In-cell touch display panel 300 of Fig. 3 A, Fig. 3 B, therefore same or analogous component represents with same or analogous symbol, and no longer repeat specification.In the present embodiment, the first electrode 420 is configured on the first insulation course BP1 and flatness layer PL, and the first electrode 420 comprises multiple common electrode 422.In addition, second electrode 440 of the present embodiment is configured on the 3rd insulation course BP3, and comprises multiple pixel electrode 442.Therefore, the difference of the present embodiment and Fig. 3 A, Fig. 3 B embodiment is that the pixel electrode 442 of the present embodiment is configured on common electrode 422.According to the content of above-mentioned Fig. 3 A, Fig. 3 B and Fig. 4 A, Fig. 4 B embodiment, the relative configuration mode of common electrode 342,422 of the present invention and pixel electrode 322,442 can adjust according to the demand of side circuit design, and the present invention is not limited this.
Fig. 5 A, Fig. 5 B and Fig. 5 C are the schematic diagram of the In-cell touch display panel of another embodiment of the present invention, and wherein Fig. 5 B and Fig. 5 C is respectively the diagrammatic cross-section of Fig. 5 A (the square frame place in Fig. 5 A) not ipsilateral.The In-cell touch display panel 500 of the present embodiment has similar structure with the In-cell touch display panel 300 of Fig. 3 A, Fig. 3 B, and therefore same or analogous component represents with same or analogous symbol, and no longer repeat specification.Please refer to Fig. 5 B and Fig. 5 C, embedded touch touch-control display panel 500 is with the difference of the In-cell touch display panel 300 of Fig. 3 A, Fig. 3 B, In-cell touch display panel 500 comprises many second sensing signal line TP21...TP2n in addition and is configured on substrate 310, and the second sensing signal line TP21...TP2n extends to neighboring area 360 (it is that example explains that Fig. 5 B only illustrates a second sensing signal line TP21) by viewing area 350.In addition, as shown in Figure 5 B, the first insulation course BP1 and flatness layer PL covers the second sensing signal line TP21, and many above-mentioned the first sensing signal line TP1 are overlapping with the second sensing signal line TP21 respectively on its vertical projection direction.
Refer again to Fig. 5 C, in the present embodiment, many the first connecting lines 521 (Fig. 5 C only illustrate first connecting line 521 explain for example) are configured between the first insulation course BP1 and the second insulation course BP2, and are electrically connected to corresponding second sensing signal line TP21.In addition, many articles of the second connecting lines 541 are configured on the 3rd insulation course BP3, and the second connecting line 541 is electrically connected between corresponding first sensing signal line TP1 and the first connecting line 521 respectively.Therefore, the first sensing signal line TP1 of the present embodiment is electrically connected to the second corresponding sensing signal line TP21 via the first connecting line 521 to the second connecting line 541, forms the first sensing signal line TP1 parallel with one another and the second sensing signal line TP21.
It is worth mentioning that, the In-cell touch display panel 500 of the present embodiment passes through the overlap joint parallel with one another of the first sensing signal line TP1 and the second sensing signal line TP21, effectively can solve the problem of sensing signal line too high in resistance, thus reduce resistance capacitance load (RC loading).
Fig. 6 A, Fig. 6 B and Fig. 6 C are the schematic diagram of the In-cell touch display panel of another embodiment of the present invention, and wherein Fig. 6 B and Fig. 6 C is respectively the diagrammatic cross-section of Fig. 6 A (the square frame place in Fig. 6 A) not ipsilateral.Fig. 6 A, Fig. 6 B and Fig. 6 C In-cell touch display panel 600 have similar structure with the In-cell touch display panel 400 of Fig. 4 A, Fig. 4 B, and therefore same or analogous element represents with same or analogous symbol, and no longer repeat specification.The In-cell touch display panel 600 of the present embodiment is with In-cell touch display panel 400 difference of Fig. 4 A, Fig. 4 B, and the In-cell touch display panel 600 of the present embodiment comprises many second sensing signal line TP31 in addition and is configured on substrate 310.In addition, the present embodiment has many articles of connecting lines 621 and is configured between the second insulation course BP2 and the 3rd insulation course BP3, and is connected between corresponding first sensing signal line TP1 and the second sensing signal line TP31.In other words, the first sensing signal line TP1 of the present embodiment is electrically connected the second sensing signal line TP31 via connecting line 621, and overlap joint parallel with one another, to realize reducing resistance, and reduce the object of resistance capacitance load (RC loading).
In sum, in the multiple embodiments stated on the invention, many gate lines of In-cell touch display panel, signal wire and sensing signal line can be placed in the former space for configuring source electrode distribution.Therefore, the present invention effectively can reduce the external pin number of In-cell touch display panel and the cabling number of its left and right fan-out (L/R fan out), thus the width of device frame, to meet the development trend of the narrow frame of current In-cell touch display panel.
Although by the present invention with embodiment openly as above; so itself and be not used to limit the present invention, technician in any art, without departing from the spirit and scope of the present invention; when doing a little variation and retouching, therefore protection scope of the present invention is when being as the criterion depending on the claim person of defining.
Claims (9)
1. an In-cell touch display panel, has a viewing area and a neighboring area, and this viewing area comprises multiple pixel regions of arrayed, and this In-cell touch display panel comprises:
Multiple active member, lays respectively in corresponding described pixel region;
A plurality of data lines, extends to this neighboring area from this viewing area, and is electrically connected to corresponding described active member respectively;
Many gate lines, are positioned at this viewing area and vertical described data line, and described lock level line is electrically connected to corresponding described active member respectively;
Many signal line, extend to this neighboring area from this viewing area, and respectively the bearing of trend of this signal wire is parallel to the bearing of trend of respectively this data line;
One first insulation course, is configured at this viewing area and this neighboring area, and this first insulation course covers described active member, described data line, described lock level line and described signal wire;
Multiple first electrode, is configured on this first insulation course;
One second insulation course, is configured on this first insulation course, and covers described first electrode;
Many the first sensing signal line, be configured on this second insulation course, described first sensing signal line extends to this neighboring area from this viewing area, and respectively the bearing of trend of this first sensing signal line is parallel to the bearing of trend of respectively this data line;
One the 3rd insulation course, is configured on this second insulation course, and covers described first sensing signal line; And
Multiple second electrode, is configured on the 3rd insulation course, and is electrically connected to described first sensing signal line accordingly respectively,
Wherein, respectively this data line, respectively this signal wire and respectively this first sensing signal line lay respectively between different adjacent rows pixel regions, and respectively this data line, respectively this signal wire and respectively this first sensing signal line is underlapped on vertical projection direction.
2. In-cell touch display panel as claimed in claim 1, wherein said first electrode comprises multiple pixel electrode, is electrically connected to corresponding described active member, and described second electrode comprises multiple common electrode.
3. In-cell touch display panel as claimed in claim 2, also comprise many second sensing signal line, this neighboring area is extended to from this viewing area, this first insulation course covers described secondary signal line, described first sensing signal line on vertical projection direction respectively with described second sensing signal line overlap, and respectively this first sensing signal line is electrically connected to this second sensing signal line corresponding.
4. In-cell touch display panel as claimed in claim 3, also comprises:
Many the first connecting lines, are configured between this first insulation course and this second insulation course, and are electrically connected to described second sensing signal line accordingly respectively; And
Many the second connecting lines, are configured on the 3rd insulation course, and are electrically connected at respectively accordingly between described first sensing signal line and described first connecting line.
5. In-cell touch display panel as claimed in claim 1, wherein said first electrode comprises multiple common electrode, and described second electrode comprises multiple pixel electrode.
6. In-cell touch display panel as claimed in claim 5, also comprise many second sensing signal line, this neighboring area is extended to from this viewing area, this first insulation course covers described second sensing signal line, described first sensing signal line respectively on vertical projection direction with described second sensing signal line overlap, and respectively this first sensing signal line is electrically connected to this second sensing signal line corresponding.
7. In-cell touch display panel as claimed in claim 6, also comprises:
Many connecting lines, are configured between this second insulation course and the 3rd insulation course, and are electrically connected at respectively accordingly between described first sensing signal line and described second sensing signal line.
8. In-cell touch display panel as claimed in claim 1, wherein said signal wire comprises multiple signal line, is electrically connected to corresponding gate line respectively.
9. In-cell touch display panel as claimed in claim 1, wherein said signal wire comprises multiple suspension joint signal wire.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104113511 | 2015-04-28 | ||
| TW104113511A TWI549036B (en) | 2015-04-28 | 2015-04-28 | In-cell touch display panel |
Publications (2)
| Publication Number | Publication Date |
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| CN104991368A true CN104991368A (en) | 2015-10-21 |
| CN104991368B CN104991368B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510446639.7A Expired - Fee Related CN104991368B (en) | 2015-04-28 | 2015-07-27 | Embedded touch display panel |
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| Country | Link |
|---|---|
| CN (1) | CN104991368B (en) |
| TW (1) | TWI549036B (en) |
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| CN109240539A (en) * | 2017-02-22 | 2019-01-18 | 敦泰电子有限公司 | Touch-control, which is shown, integrates driving circuit |
| CN112684941A (en) * | 2020-08-17 | 2021-04-20 | 友达光电股份有限公司 | Built-in touch display panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115718544A (en) * | 2021-08-25 | 2023-02-28 | 群创光电股份有限公司 | Electronic device |
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Also Published As
| Publication number | Publication date |
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| CN104991368B (en) | 2017-12-15 |
| TW201638740A (en) | 2016-11-01 |
| TWI549036B (en) | 2016-09-11 |
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