CN103713413A - Embedded touch display and electronic device - Google Patents
Embedded touch display and electronic device Download PDFInfo
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- CN103713413A CN103713413A CN201210377584.5A CN201210377584A CN103713413A CN 103713413 A CN103713413 A CN 103713413A CN 201210377584 A CN201210377584 A CN 201210377584A CN 103713413 A CN103713413 A CN 103713413A
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Abstract
The invention provides an embedded touch display and an electronic device. The embedded touch display comprises a thin film transistor substrate, a color filter substrate, a liquid crystal layer, multiple first touch electrodes and a first display electrode. Multiple gate lines of the thin film transistor substrate extend along a first axial direction, and are arrayed in parallel. Multiple data lines of the thin film transistor substrate extend along a second axial direction, and are arrayed in parallel. The data lines and the gate lines are staggered on a plane so as to define multiple pixel areas. The liquid crystal layer is located between the thin film transistor substrate and the color filter substrate. The first touch electrodes are located between the thin film transistor substrate and the liquid crystal layer and on the thin film transistor substrate, extend along the first axial direction or the second axial direction, and are arrayed in parallel. The first display electrode is insulated from the first touch electrodes and arranged on the same layer as the first touch electrodes.
Description
Technical field
The present invention relates to a kind of touch control display, and particularly a kind of embedded touch display and electronic installation.
Background technology
Tradition touch control display is external hanging type touch control display mostly.External hanging type touch control display is comprised of contact panel and display panels, and wherein contact panel fits on display panels.Contact panel has a plurality of touch-control drive electrodes and a plurality of touch-control sensing electrode, controller can sequentially transmit touch-control and drive signal to a plurality of touch-control drive electrodes, a plurality of touch-control sensing electrodes are in order to receive a plurality of touch sense signals, and give controller by a plurality of touch sense signals, so that controller judges at least one touch position accordingly.Because external hanging type touch control display is comprised of contact panel and display panels, therefore can there are three layers of above glass, thus comparatively thick and heavy, and do not meet the compact trend of current product.
In addition, although someone proposes the framework of embedded touch display at present, touch-control sensing layer is directly embedded in display panels.Yet, because touch-control sensing layer is directly embedded in the reason of LCD intralamellar part, therefore the distance between the distance between touch-control sensing electrode and common electrode and touch-control drive electrode and common electrode all can become closely, therefore, it is large that the mutual capacitance meeting between touch-control sensing electrode and touch-control drive electrode becomes.
By capacitor charging formula, can be learnt when capacitance becomes large, capacitor charging is elongated to the required duration of charging of fixed charge.When touch-control drive electrode receives the touch-control driving signal of square wave, because mutual capacitance becomes large reason, therefore should can become the touch sense signals of triangular wave for the touch sense signals of square wave on touch-control sensing electrode.Accordingly, the change amount signal of touch sense signals can diminish, and more difficult judgement touch position, makes the touch-control sensing sensitivity variation of embedded touch display.
In addition, because each pixel of embedded touch display can not be put touch-control sensing electrode and touch-control drive electrode, therefore can cause the stray capacitance of display panels not there is homogeneity.So, while being that embedded touch display shows, the brightness of display may be inhomogeneous, and have band, produces (also, producing Mura phenomenon).
Summary of the invention
The embodiment of the present invention provides a kind of embedded touch display, and this embedded touch display comprises thin film transistor base plate, colored optical filtering substrates, liquid crystal layer, a plurality of the first touch-control electrode and the first show electrode.Thin film transistor base plate comprises a plurality of gate lines and a plurality of data line.A plurality of gate lines extend axially along first, and are arranged in parallel with each other.A plurality of data lines extend axially along second, be arranged in parallel with each other, and with a plurality of gate lines insulation, wherein a plurality of data lines and a plurality of gate line interlock to define a plurality of pixel regions in plane.Liquid crystal layer, between thin film transistor base plate and colored optical filtering substrates.A plurality of the first touch-control electrodes are between thin film transistor base plate and liquid crystal layer and be positioned on thin film transistor base plate, axially extend with the second axial one of them, and be arranged in parallel with each other along first.The first show electrode and a plurality of the first touch-control electrode insulation and same layer arrange.
The embodiment of the present invention provides a kind of embedded touch display, and described embedded touch display comprises common electrode, a plurality of pixel electrode, a plurality of gate line, a plurality of data line, a plurality of touch-control sensing electrode, a plurality of touch-control drive electrode, a plurality of the first dummy electrodes and a plurality of the second dummy electrodes.A plurality of gate lines extend axially along first, and are arranged in parallel with each other.A plurality of data lines extend axially along second, and are arranged in parallel with each other.A plurality of touch-control drive electrodes extend axially along first, and are arranged in parallel with each other.A plurality of touch-control sensing electrodes extend axially along second, and are arranged in parallel with each other.A plurality of the first dummy electrodes extend axially along first, and are arranged in parallel with each other.A plurality of the second dummy electrodes extend axially along second, and are arranged in parallel with each other.Between any two adjacent touch-control drive electrodes, there is at least one the first dummy electrodes, and there is at least one the second dummy electrodes between any two adjacent touch-control sensing electrodes.
The embodiment of the present invention provides a kind of electronic installation, and described electronic installation comprises electronics and described embedded touch display, and wherein embedded touch display is electrically connected electronics.
In sum, the touch-control sensing sensitivity of the embedded touch display that the embodiment of the present invention provides is better, or it can reduce the unevenness (also, reducing the Probability of Mura phenomenon) of display brightness.
For enabling further to understand feature of the present invention and technology contents, refer to following about detailed description of the present invention and accompanying drawing, but these explanations with appended graphic be only for the present invention is described, but not claim scope of the present invention is done to any restriction.
Accompanying drawing explanation
Fig. 1 is the planimetric map of the embedded touch display of the embodiment of the present invention.
Fig. 2 is the stacked structure schematic diagram of the embedded touch display of the embodiment of the present invention.
Fig. 3 is the fragmentary cross-sectional view of the embedded touch display of the embodiment of the present invention.
Fig. 4 is the planimetric map of the embedded touch display of another embodiment of the present invention.
Fig. 5 is the stacked structure schematic diagram of the embedded touch display of another embodiment of the present invention.
Fig. 6 is the planimetric map of the embedded touch display of another embodiment of the present invention.
Fig. 7 is the stacked structure schematic diagram of the embedded touch display of another embodiment of the present invention.
Fig. 8 is the planimetric map of the embedded touch display of another embodiment of the present invention.
Fig. 9 is the stacked structure schematic diagram of the embedded touch display of another embodiment of the present invention.
Figure 10 is the stacked structure schematic diagram of the embedded touch display of another embodiment of the present invention.
Figure 11 is the planimetric map of the embedded touch display of another embodiment of the present invention.
Figure 12 is the stacked structure schematic diagram of the embedded touch display of another embodiment of the present invention.
Figure 13 is the stacked structure schematic diagram of the embedded touch display of another embodiment of the present invention.
Figure 14 is the planimetric map of the embedded touch display of another embodiment of the present invention.
Figure 15 is the planimetric map of the embedded touch display of another embodiment of the present invention.
[main element symbol description]
1～9: embedded touch display
101,115,201,215,301,316,401,414,501,601,701,715,801,818,901,917: glass
102,202,302,402,502,602,702,802,902: gate line
103,203,303,403,703,803,903: gate insulator
104,204,304,404,704,804,904: channel layer
105,205,305,405,503,603,705,805,905: data line
106,110,206,210,306,309,311,406,409,706,709,806,810,906,910: protective seam
107,207,307,407,707,713,807,816,907,915: flatness layer
108: the second touch-control electrodes and conductor layer
908: the first touch-control electrodes and common electrode conducting shell
1081,208,716,815,914: the second touch-control electrodes
504,604: touch-control drive electrode
505,605: the first dummy electrodes
1082: wire
109,209,308,408,708,808,911: the second show electrodes
111,211,312,410,710,811: the first touch-control electrodes
506,606: touch-control sensing electrode
507,607: the second dummy electrodes
112,212,313,411,711,812,909: the first show electrodes
113,213,314,412,712,813,912: liquid crystal layer
114,214,315,413,714,817,916: colored filter
809: common electrode conductor layer
814,913: insulation course
Embodiment
The embodiment of the present invention provides a kind of embedded touch display, and it can reduce common electrode for the impact of touch-control sensing electrode and touch-control drive electrode, to reduce the mutual capacitance of touch-control sensing electrode and touch-control drive electrode.The touch-control sensing electrode of embedded touch display and one of them of touch-control drive electrode are arranged between thin film transistor base plate and liquid crystal layer, and are positioned on thin film transistor base plate.In addition, one of them of touch-control sensing electrode and touch-control drive electrode and one of them insulation and the same layer of pixel electrode and common electrode arrange.
In addition, the common-battery of embedded touch display is patterning common electrode very, and it has avoided touch-control drive electrode or touch-control sensing electrode in plane, or in plane, avoids touch-control drive electrode and touch-control sensing electrode simultaneously.In other words, patterning common electrode can be a plurality of strip shaped electric poles along line direction or column direction extension, it has avoided touch-control drive electrode or touch-control sensing electrode in plane, or patterning common electrode can be a plurality of block type electrodes, it has avoided touch-control drive electrode and touch-control sensing electrode in plane simultaneously, and same row or can connect by wire with a plurality of block type electrodes of a line.
In addition, the embodiment of the present invention also provides a kind of embedded touch display, and it is in order to reduce the unevenness of display brightness.Embedded touch display has a plurality of the first dummy electrodes and a plurality of the second dummy electrodes, wherein between any two adjacent touch-control drive electrodes, there is at least one the first dummy electrodes, and there is at least one the second dummy electrodes between any two adjacent touch sense electrodes.
Please refer to Fig. 1～Fig. 3, Fig. 1 is the planimetric map of the embedded touch display of the embodiment of the present invention, Fig. 2 is the stacked structure schematic diagram of the embedded touch display of the embodiment of the present invention, and Fig. 3 is the fragmentary cross-sectional view of the embedded touch display of the embodiment of the present invention.Embedded touch display 1 comprises glass 101,115, gate line 102, gate insulator 103, channel layer 104, data line 105, protective seam 106,110, flatness layer 107, the second touch-control electrode and conductor layer 108, the second show electrode 109, the first touch-control electrode 111, the first show electrode 112, liquid crystal layer 113 and colored filter 114.In this embodiment, glass 101, gate line 102, gate insulator 103, channel layer 104 form thin film transistor base plate with data line 105, and colored filter 114 forms colored optical filtering substrates with glass 115.Liquid crystal layer 113 is between thin film transistor base plate and colored optical filtering substrates.
The second touch-control electrode and conductor layer 108 and the second show electrode 109 are positioned at same layer, and are positioned on flatness layer 107.The second show electrode 109 is the patterning common electrode that comprises a plurality of block type electrodes in this embodiment, to avoid the second touch-control electrode 1081 and the first touch-control electrode 111 in plane simultaneously.The second touch-control electrode and conductor layer 108 comprise wire 1082 and the second touch-control electrode 1081.Wire 1082 and the second touch-control electrode 108 be copline also, and in order to connect same row or with a plurality of block type electrodes of a line, to be also that wire 1082 connects the second show electrodes 109.A plurality of the second touch-control electrodes 1081 extend axially along first, and are arranged in parallel with each other, and wherein the second touch-control electrode 1081 can be for example metal electrode or transparency conductive electrode, and can be used as a plurality of touch-control drive electrodes.A plurality of the second touch-control electrodes 1081 and the second show electrode 109 be copline each other, and the second touch-control electrode 1081 is positioned at the interval of any two adjacent block type electrodes.
Embedded touch display 1 can save the number of assembling steps of display panels and contact panel and extra glass, therefore that embedded touch display 1 trends towards is lightening.In addition, embedded touch display 1 has reduced the area that touch-control drive electrode and touch-control sensing electrode are overlapped in the second show electrode 109 and the first show electrode 112 in plane, therefore can further effectively reduce the mutual capacitance of the second touch-control electrode 1081 and the first show electrode 111, to increase by this change amount signal of touch sense signals, and promote the touch-control sensitivity of embedded touch display 1.In addition, the second show electrode 109 and the first show electrode 112 also can be respectively pixel electrode and the patterning common electrode with a plurality of block type electrodes at other embodiments, and now the wire 1082 in the second touch-control electrode and conductor layer 108 can move to the first touch-control electrode 111.Generally speaking, the present invention is not limited with the embodiment of Fig. 1～Fig. 3.
What deserves to be explained is, embedded touch display 1 can be for transverse electric field effect (In-Plane Switching), wide viewing angle (Fringe Field Switching) and stable twisted nematic liquid crystal display mode.In addition, in this embodiment, the second touch-control electrode 1081 and the first touch-control electrode 111 are overlapped in respectively gate line 102 and data line 105 in plane, yet, the present invention is but not limited to this, in other embodiment, the second touch-control electrode 1081 and the first touch-control electrode 111 are avoided respectively gate line 102 and data line 105 in plane.
Please, then with reference to Fig. 4 and Fig. 5, Fig. 4 is the planimetric map of the embedded touch display of another embodiment of the present invention, and Fig. 5 is the stacked structure schematic diagram of the embedded touch display of another embodiment of the present invention.Embedded touch display 2 comprises glass 201,215, gate line 202, gate insulator 203, channel layer 204, data line 205, protective seam 206,210, flatness layer 207, the second touch-control electrode 108, the second show electrode 209, the first touch-control electrode 211, the first show electrode 212, liquid crystal layer 213 and colored filter 214.In this embodiment, glass 201, gate line 202, gate insulator 203, channel layer 204 form thin film transistor base plate with data line 205, and colored filter 214 forms colored optical filtering substrates with glass 215.Liquid crystal layer 213 is between thin film transistor base plate and colored optical filtering substrates.
The second touch-control electrode 208 and the second show electrode 209 are positioned at same layer, and are positioned on flatness layer 207.The second show electrode 209 is the patterning common electrode that comprises a plurality of strip shaped electric poles in this embodiment, to avoid the first touch-control electrode 208 in plane.A plurality of the second touch-control electrodes 108 extend axially along first, and are arranged in parallel with each other, and wherein the second touch-control electrode 108 can be for example metal electrode or transparency conductive electrode, and as a plurality of touch-control drive electrodes.A plurality of the second touch-control electrodes 208 and the second show electrode 209 be copline each other, and the second touch-control electrode 208 is positioned at the interval of any two adjacent strip shaped electric poles.
Embedded touch display 2 can save the number of assembling steps of display panels and contact panel and extra glass, therefore that embedded touch display 2 trends towards is lightening.In addition, embedded touch display 2 has reduced the area that the second touch-control electrode 208 is overlapped in the second show electrode 209 and the first show electrode 212 in plane, therefore can effectively reduce the mutual capacitance of the first touch-control electrode 208 and the second touch-control electrode 211, to increase by this change amount signal of touch sense signals, and promote the touch-control sensitivity of embedded touch display 2.
What deserves to be explained is, embedded touch display 2 can be for transverse electric field effect, wide viewing angle and stable twisted nematic liquid crystal display mode.In addition, in this embodiment, the second touch-control electrode 208 and the first touch-control electrode 211 are overlapped in respectively gate line 202 and data line 205 in plane, yet, the present invention is but not limited to this, in other embodiment, the second touch-control electrode 208 and the first touch-control electrode 211 are avoided respectively gate line 202 and data line 205 in plane.In addition, the second show electrode 209 and the first show electrode 212 also can be respectively pixel electrode and the patterning common electrode with a plurality of strip shaped electric poles at other embodiments.Generally speaking, the present invention is not limited with the embodiment of Fig. 4, Fig. 5.
Please, then with reference to Fig. 6 and Fig. 7, Fig. 6 is the planimetric map of the embedded touch display of another embodiment of the present invention, and Fig. 7 is the stacked structure schematic diagram of the embedded touch display of another embodiment of the present invention.Embedded touch display 3 comprises glass 301,316, gate line 302, gate insulator 303, channel layer 304, data line 305, protective seam 306,309,311, flatness layer 307, the second show electrode 308, the second touch-control electrode 310, the first touch-control electrode 311, the first show electrode 313, liquid crystal layer 314 and colored filter 315.In this embodiment, glass 301, gate line 302, gate insulator 303, channel layer 304 form thin film transistor base plate with data line 305, and colored filter 315 forms colored optical filtering substrates with glass 316.Liquid crystal layer 314 is between thin film transistor base plate and colored optical filtering substrates.
The second show electrode 308 is positioned on flatness layer 307.The second show electrode 308 is the patterning common electrode that comprises a plurality of strip shaped electric poles in this embodiment, to avoid the first touch-control electrode 312 in plane.Protective seam 309 is positioned on the second show electrode 308.The second touch-control electrode 310 is positioned on protective seam 309, and a plurality of the second touch-control electrodes 310 extend axially along first, and are arranged in parallel with each other, and the second touch-control electrode 310 can be for example metal electrode or transparency conductive electrode, usings as a plurality of touch-control drive electrodes.
Embedded touch display 3 can save the number of assembling steps of display panels and contact panel and extra glass, therefore that embedded touch display 3 trends towards is lightening.In addition, embedded touch display 3 has reduced the area that touch-control sensing electrode is overlapped in the second show electrode 308 and the first show electrode 313 in plane, therefore can effectively reduce the mutual capacitance of touch-control drive electrode and touch-control sensing electrode, to increase by this change amount signal of touch sense signals, and promote the touch-control sensitivity of embedded touch display 3.
What deserves to be explained is, embedded touch display 3 can be for transverse electric field effect, wide viewing angle and stable twisted nematic liquid crystal display mode.In addition, in this embodiment, the first touch-control electrode 310 and the second touch-control electrode 312 are overlapped in respectively gate line 302 and data line 305 in plane, yet, the present invention is but not limited to this, in other embodiment, the first touch-control electrode 310 and the second touch-control electrode 312 are avoided respectively gate line 302 and data line 305 in plane.In addition, the second show electrode 308 and the first show electrode 313 also can be respectively pixel electrode and the patterning common electrode with a plurality of strip shaped electric poles at other embodiments.Generally speaking, the present invention is not limited with the embodiment of Fig. 6, Fig. 7.
Please, then with reference to Fig. 8 and Fig. 9, Fig. 8 is the planimetric map of the embedded touch display of another embodiment of the present invention, and Fig. 9 is the stacked structure schematic diagram of the embedded touch display of another embodiment of the present invention.Embedded touch display 4 comprises glass 401,414, gate line 402, gate insulator 403, channel layer 404, data line 405, protective seam 406,409, flatness layer 407, the second show electrode 408, the first touch-control electrode 410, the second show electrode 411, liquid crystal layer 412 and colored filter 413.In this embodiment, glass 401, gate line 402, gate insulator 403, channel layer 404 form thin film transistor base plate with data line 405, and colored filter 412 forms colored optical filtering substrates with glass 413.Liquid crystal layer 412 is between thin film transistor base plate and colored optical filtering substrates.
The second show electrode 408 is positioned on flatness layer 407.The second show electrode 408 is the patterning common electrode that comprises a plurality of strip shaped electric poles in this embodiment, in this embodiment, the second show electrode 408 conduct simultaneously has the patterning common electrode of a plurality of strip shaped electric poles, and also can be used as a plurality of touch-control drive electrodes simultaneously.A plurality of strip shaped electric poles extend axially along first, and are arranged in parallel with each other, and a plurality of strip shaped electric poles can be for example metal electrode or transparency conductive electrode.
Briefly, embedded touch display also comprises controller, and this controller is electrically connected the second show electrode 408.Controller receives common electrode signal so that the second show electrode 408 is used as common electrode in order to control the second show electrode 408 by the mode of TCM in display mode, and receives touch-control driving signal so that the second show electrode 408 is used as touch-control drive electrode in control mode touch mode.
Embedded touch display 4 can save the number of assembling steps of display panels and contact panel and extra glass, therefore that embedded touch display 4 trends towards is lightening.In addition, embedded touch display 4 has reduced touch-control drive electrode, the second show electrode 409 is used as touch-control drive electrode in control mode touch mode, therefore can effectively reduce the mutual capacitance of touch-control drive electrode and touch-control sensing electrode, to increase by this change amount signal of touch sense signals, and promote the touch-control sensing sensitivity of embedded touch display 4.
What deserves to be explained is, embedded touch display 4 can be for transverse electric field effect, wide viewing angle and stable twisted nematic liquid crystal display mode.In addition, in this embodiment, the first touch-control electrode 411 is overlapped in data line 405 in plane, yet the present invention is but not limited to this, and in other embodiment, the first touch-control electrode 411 is avoided data line 205 in plane.
In addition, the second show electrode 409 and the first show electrode 411 also can be respectively pixel electrode and the patterning common electrode with a plurality of strip shaped electric poles at other embodiments.Now, controller receives display so that the second show electrode 408 is used as pixel electrode in order to control the second show electrode 408 by the mode of TCM in display mode, and receives touch-control driving signal so that the second show electrode 408 is used as touch-control drive electrode in control mode touch mode.Generally speaking, the present invention is not limited with the embodiment of Fig. 8, Fig. 9.
Please, then with reference to Figure 10 and Figure 11, Figure 11 is the planimetric map of the embedded touch display of another embodiment of the present invention, and Figure 10 is the stacked structure schematic diagram of the embedded touch display of another embodiment of the present invention.Embedded touch display 7 comprises that glass 701,715, gate line 702, gate insulator 703, channel layer 704, data line 705, protective seam 706,709, flatness layer 707, the second show electrode 708, the first touch-control electrode 710, the first show electrode 711, liquid crystal layer 713, flatness layer 713(can adopt the mode of recoat (over-coating) to form), colored filter 714 and the second touch-control electrode 716.In this embodiment, glass 701, gate line 702, gate insulator 703, channel layer 704 form thin film transistor base plate with data line 705, and colored filter 714 forms colored optical filtering substrates with glass 715.Liquid crystal layer 713 is between thin film transistor base plate and colored optical filtering substrates.
The second show electrode 708 is positioned on flatness layer 707, and on it, has protective seam 709, and a plurality of the second show electrodes 708 comprise a plurality of pixel electrodes, and a plurality of pixel electrodes are positioned at a plurality of pixel regions.The first touch-control electrode 710 and the first show electrode 711 are positioned at same layer, and are positioned on protective seam 709.The first show electrode 711 is the patterning common electrode that comprises a plurality of strip shaped electric poles in this embodiment, to avoid the first touch-control electrode 710 in plane.A plurality of the first touch-control electrodes 710 extend axially along first, and are arranged in parallel with each other, and wherein the first touch-control electrode 710 can be for example metal electrode or transparency conductive electrode, and as touch-control drive electrode.
Embedded touch display 7 can save the number of assembling steps of display panels and contact panel and extra glass, therefore that embedded touch display 7 trends towards is lightening.In addition, embedded touch display 7 can increase the change amount signal of touch sense signals by this, and promotes the touch-control sensitivity of embedded touch display 7.
What deserves to be explained is, embedded touch display 7 can be for transverse electric field effect, wide viewing angle and stable twisted nematic liquid crystal display mode.In addition, in this embodiment, the second touch-control electrode 716 and the first touch-control electrode 710 are overlapped in respectively gate line 702 and data line 705 in plane, yet, the present invention is but not limited to this, in other embodiment, the second touch-control electrode 716 and the first touch-control electrode 710 are avoided respectively gate line 702 and data line 705 in plane.In addition, the second show electrode 708 and the first show electrode 711 also can be respectively patterning common electrode and the pixel electrode with a plurality of strip shaped electric poles at other embodiments.Generally speaking, the present invention is not limited with the embodiment of Figure 10, Figure 11.
Please, then with reference to Figure 12, Fig. 1 is the stacked structure schematic diagram of the embedded touch display of another embodiment of the present invention.Embedded touch display 8 comprises that glass 801,818, gate line 802, gate insulator 803, channel layer 804, data line 805, protective seam 806,810, flatness layer 807, the second show electrode 808, common electrode conductor layer 809, the first touch-control electrode 811, the first show electrode 812, liquid crystal layer 813, insulation course 814, the second touch-control electrode 815, flatness layer 816(can adopt the mode of recoat (over-coating) to form) and colored filter 817.In this embodiment, glass 801, gate line 802, gate insulator 803, channel layer 804 form thin film transistor base plate with data line 805, and colored filter 817 forms colored optical filtering substrates with glass 818.Liquid crystal layer 813 is between thin film transistor base plate and colored optical filtering substrates.
Gate line 802 is positioned on glass 801, and a plurality of gate lines 802 for example, extend along first axial (X-axis), and are arranged in parallel with each other.Gate insulator 803 is positioned on gate line 802, and channel layer 804 is positioned on gate insulator 803.Data line 805 is positioned on channel layer 804, for example, along second axial (Y-axis), extends, and is arranged in parallel with each other.A plurality of data lines 805 are intersected with each other in plane with a plurality of gate lines 802, and define a plurality of pixel regions.Protective seam 806 is positioned on data line 805, and flatness layer 807 is positioned on protective seam 806.In the embodiment of the present invention, flatness layer 807 can be removed, in other words, and the having or not in order to limit the present invention of flatness layer 807.
The second show electrode 808 is positioned on flatness layer 807.In this embodiment, the second show electrode 808 can be for comprising the patterned electrodes of a plurality of block type electrodes, and on it, there is common electrode conductor layer 809 in order to connect a plurality of block type electrodes of same row or same row, to avoid the first touch-control electrode 811 or the second touch-control electrode 815 in plane.In addition, if the second show electrode 808 is the patterning common electrode of a plurality of pixel electrodes or a plurality of strips, above-mentioned common electrode conductor layer 809 can remove.
Protective seam 810 is positioned on common electrode conductor layer 809, and is positioned on electrode cable layer 809 at the first touch-control electrode 811 and first show electrode 812 of same layer.The first show electrode 812 is a plurality of pixel electrodes in this embodiment, and a plurality of pixel electrodes are positioned at a plurality of pixel regions.A plurality of the first touch-control electrodes 811 extend axially along first, and are arranged in parallel with each other, and wherein the first touch-control electrode 811 can be for example metal electrode or transparency conductive electrode, and as touch-control drive electrode.
Liquid crystal layer 813 is positioned on the first touch-control electrode 811 and the first show electrode 812, and insulation course 814 is positioned on liquid crystal layer 813.A plurality of the second touch-control electrodes 815 are positioned on insulation course 814, and on it, have flatness layer 816.A plurality of the second touch-control electrodes 815 extend axially along second, and are arranged in parallel with each other, and wherein the second touch-control electrode 815 can be for example metal electrode or transparency conductive electrode, and as a plurality of touch-control sensing electrodes.Colored filter 817 is positioned on flatness layer 816, and glass 818 is positioned on colored filter 817.
Embedded touch display 8 can save the number of assembling steps of display panels and contact panel and extra glass, therefore that embedded touch display 8 trends towards is lightening.In addition, embedded touch display 8 can increase the change amount signal of touch sense signals by this, and promotes the touch-control sensitivity of embedded touch display 8.
What deserves to be explained is, embedded touch display 8 can be for transverse electric field effect, wide viewing angle and stable twisted nematic liquid crystal display mode.In addition, in this embodiment, the second touch-control electrode 815 and the first touch-control electrode 811 are overlapped in respectively gate line 802 and data line 805 in plane, yet, the present invention is but not limited to this, in other embodiment, the second touch-control electrode 815 and the first touch-control electrode 811 are avoided respectively gate line 802 and data line 805 in plane.In addition, the second show electrode 808 and the first show electrode 812 also can be respectively pixel electrode and the patterning common electrode with a plurality of strip shaped electric poles at other embodiments.Generally speaking, the present invention is not limited with the embodiment of Figure 12.
Please, then with reference to Figure 13, Figure 13 is the stacked structure schematic diagram of the embedded touch display of another embodiment of the present invention.Embedded touch display 9 comprises that electrode cable layer 908, the first show electrode 909, the second show electrode 911, liquid crystal layer 912, insulation course 913, the second touch-control electrode 914, flatness layer 915(can adopt the mode of recoat (over-coating) to form together for glass 901,917, gate line 902, gate insulator 903, channel layer 904, data line 905, protective seam 906,910, flatness layer 907, the first touch-control electrode) and colored filter 916.In this embodiment, glass 901, gate line 902, gate insulator 903, channel layer 904 form thin film transistor base plate with data line 905, and colored filter 916 forms colored optical filtering substrates with glass 917.Liquid crystal layer 912 is between thin film transistor base plate and colored optical filtering substrates.
The first touch-control electrode together electrode cable layer 908 and the first show electrode 909 is positioned on flatness layer 907, and is positioned at each other same layer.In this embodiment, the first touch-control electrode together a plurality of the first touch-control electrodes in electrode cable layer 908 extends axially along first, and be arranged in parallel with each other, wherein the first touch-control electrode can be for example metal electrode or transparency conductive electrode, and as touch-control drive electrode.The first show electrode 909 can be for comprising the patterning common electrode of a plurality of block type electrodes, to avoid the first touch-control electrode the first touch-control electrode or the second touch-control electrode 914 of electrode cable layer 908 together in plane.The first touch-control electrode together the common electrode wire in electrode cable layer 908 in order to connect same row or with a plurality of block type electrodes of a line.In addition, if the first show electrode 909 is the patterning common electrode of a plurality of pixel electrodes or a plurality of strips, above-mentioned the first touch-control electrode together the wire of electrode cable layer 908 can remove.
Embedded touch display 9 can save the number of assembling steps of display panels and contact panel and extra glass, therefore that embedded touch display 9 trends towards is lightening.In addition, embedded touch display 9 can increase the change amount signal of touch sense signals by this, and promotes the touch-control sensitivity of embedded touch display 9.
What deserves to be explained is, embedded touch display 9 can be for transverse electric field effect, wide viewing angle and stable twisted nematic liquid crystal display mode.In addition, in this embodiment, the second touch-control electrode 914 and the first touch-control electrode are overlapped in respectively gate line 902 and data line 905 in plane, yet, the present invention is but not limited to this, in other embodiment, the second touch-control electrode 914 and the first touch-control electrode are avoided respectively gate line 902 and data line 905 in plane.In addition, the second show electrode 911 and the first show electrode 909 also can be respectively patterning common electrode and the pixel electrode with a plurality of strip shaped electric poles at other embodiments.Generally speaking, the present invention is not limited with the embodiment of Figure 13.
In addition, in order to make the stray capacitance of display panels there is homogeneity., and when embedded touch display shows, avoid Mura phenomenon, the embodiment of the present invention also provides a kind of embedded touch display to have between the drive electrode that a plurality of dummy electrodes arrange between any two adjacent sensing electrodes and two are adjacent.
Please, then with reference to Figure 14, Figure 14 is the planimetric map of the embedded touch display of another embodiment of the present invention.Embedded touch display 5 comprises glass 501, a plurality of gate line 502, a plurality of data line 503, a plurality of touch-control drive electrode 504, a plurality of the first dummy electrodes 505, a plurality of touch-control sensing electrode 506, a plurality of the second dummy electrodes 507, a plurality of pixel electrode (not shown in Figure 14) and common electrode (not shown in Figure 14).
A plurality of touch-control drive electrodes 504 extend axially along first, and are arranged in parallel with each other, and a plurality of touch-control drive electrodes 504 can be for example metal electrode or transparency conductive electrode.A plurality of the first dummy electrodes 505 extend axially along first, and are arranged in parallel with each other, and wherein between any two adjacent touch-control drive electrodes 504, have at least one the first dummy electrodes 505.
A plurality of touch-control sensing electrodes 506 extend axially along second, and are arranged in parallel with each other, and a plurality of touch-control sensing electrodes 506 can be for example metal electrode or transparency conductive electrode.A plurality of the second dummy electrodes 507 extend axially along second, and are arranged in parallel with each other, and wherein between any two adjacent touch sense electrodes 506, have at least one the second dummy electrodes 507.
In addition, in this embodiment, a plurality of gate lines 502 are overlapped in a plurality of touch-control drive electrodes 504 and a plurality of the first dummy electrodes 505 in plane, and a plurality of data line 503 is overlapped in a plurality of touch-control sensing electrodes 506 and a plurality of the second dummy electrodes 507 in plane.
Please, then with reference to Figure 15, Figure 15 is the planimetric map of the embedded touch display of another embodiment of the present invention.Embedded touch display 6 comprises glass 601, a plurality of gate line 602, a plurality of data line 603, a plurality of touch-control drive electrode 604, a plurality of the first dummy electrodes 605, a plurality of touch-control sensing electrode 606, a plurality of the second dummy electrodes 607, a plurality of pixel electrode (not shown in Figure 15) and common electrode (not shown in Figure 15).
Gate line 602 is positioned on glass 601, and a plurality of gate lines 602 for example, extend along first axial (X-axis), and are arranged in parallel with each other.Data line 602 is positioned on glass 601.A plurality of data lines 602 for example, extend along second axial (Y-axis), and are arranged in parallel with each other, and a plurality of data line 605 is intersected with each other in plane with a plurality of gate lines 6502, and define a plurality of pixel regions so that a plurality of pixel electrodes to be set.Common electrode can be whole common electrode or the aforesaid patterning common electrode of layer.
A plurality of touch-control drive electrodes 604 extend axially along first, and are arranged in parallel with each other, and a plurality of touch-control drive electrodes 604 can be for example metal electrode or transparency conductive electrode.A plurality of the first dummy electrodes 605 extend axially along first, and are arranged in parallel with each other, and wherein between any two adjacent touch-control drive electrodes 604, have at least one the first dummy electrodes 605.
A plurality of touch-control sensing electrodes 606 extend axially along second, and are arranged in parallel with each other, and a plurality of touch-control sensing electrodes 606 can be for example metal electrode or transparency conductive electrode.A plurality of the second dummy electrodes 607 extend axially along second, and are arranged in parallel with each other, and wherein between any two adjacent touch sense electrodes 606, have at least one the second dummy electrodes 607.
In addition, in this embodiment, a plurality of gate lines 602 are avoided a plurality of touch-control drive electrodes 604 and a plurality of the first dummy electrodes 605 in plane, and a plurality of data line 603 is avoided a plurality of touch-control sensing electrodes 606 and a plurality of the second dummy electrodes 607 in plane.
It is worth mentioning that, above-mentioned each embedded touch display can be arranged in electronic installation, and is electrically connected with electronics.In addition, above-mentioned electronic installation can be such as being smart mobile phone, panel computer, portable game machine, individual mobile assistant device and Automatic Teller Machine etc.
In sum, the sensing sensitivity of the embedded touch display that the embodiment of the present invention provides is better, or it can reduce the unevenness of display brightness.In addition, because embedded touch display can only have layer glass, meet the compact advantage of electronic product.
The foregoing is only embodiments of the invention, it is not in order to limit to the scope of the claims of the present invention.
Claims (13)
1. an embedded touch display, is characterized in that, described embedded touch display comprises:
Thin film transistor base plate, comprising:
A plurality of gate lines, extend axially along first, and are arranged in parallel with each other; And
A plurality of data lines, extend axially along second, be arranged in parallel with each other, and with described gate line insulation, described data line and described gate line arrange to define a plurality of pixel regions in the plane alternately;
Colored optical filtering substrates;
Liquid crystal layer, between described thin film transistor base plate and described colored optical filtering substrates;
A plurality of the first touch-control electrodes, between described thin film transistor base plate and described liquid crystal layer and be positioned on described thin film transistor base plate, axially extend with described the second axial one of them along described first, and are arranged in parallel with each other; And
The first show electrode, arranges with described the first touch-control electrode insulation and with layer.
2. embedded touch display according to claim 1, is characterized in that, described embedded touch display also comprises:
The second show electrode, between described the first show electrode and described thin film transistor base plate, described the second show electrode and described the first touch-control electrode and described the first show electrode insulation.
3. embedded touch display according to claim 2, is characterized in that, described embedded touch display also comprises:
A plurality of the second touch-control electrodes, with described the second show electrode insulation and with layer setting.
4. embedded touch display according to claim 2, is characterized in that, described embedded touch display also comprises:
A plurality of the second touch-control electrodes, between described the first show electrode and described the second show electrode.
5. embedded touch display according to claim 2, is characterized in that, described embedded touch display also comprises:
Controller, with described the second show electrode electric property coupling.
6. embedded touch display according to claim 5, it is characterized in that, described the first show electrode is a plurality of pixel electrodes, and described the second show electrode receives common electrode signal via described controller timesharing and touch-control drives signal to be used as respectively common electrode and touch-control drive electrode.
7. embedded touch display according to claim 5, it is characterized in that, described the first show electrode is common electrode, and described the second show electrode receives display via described controller timesharing and touch-control drives signal to be used as respectively pixel electrode and touch-control drive electrode.
8. embedded touch display according to claim 2, is characterized in that, described embedded touch display also comprises:
A plurality of the second touch-control electrodes, between described colored optical filtering substrates and described liquid crystal layer and be positioned on described liquid crystal layer.
9. embedded touch display according to claim 2, is characterized in that, described embedded touch display also comprises:
A plurality of the second touch-control electrodes, are positioned on the opposite side of the relatively described liquid crystal layer of described colored optical filtering substrates.
10. embedded touch display according to claim 1, is characterized in that, described embedded touch display also comprises:
The second show electrode, between described the first show electrode and described liquid crystal layer, described the second show electrode and described the first touch-control electrode and described the first show electrode insulation.
11. embedded touch displays according to claim 10, is characterized in that, described embedded touch display also comprises:
A plurality of the second touch-control electrodes, between described colored optical filtering substrates and described liquid crystal layer and be positioned on described liquid crystal layer.
12. 1 kinds of embedded touch displays, is characterized in that, described embedded touch display comprises:
A plurality of gate lines, extend axially along one first, and are arranged in parallel with each other;
A plurality of data lines, extend axially along one second, and are arranged in parallel with each other;
A plurality of touch-control drive electrodes, extend axially along described first, and are arranged in parallel with each other;
A plurality of touch-control sensing electrodes, extend axially along described second, and are arranged in parallel with each other;
A plurality of the first dummy electrodes, extend axially along described first, and are arranged in parallel with each other; And
A plurality of the second dummy electrodes, extend axially along described second, and are arranged in parallel with each other;
Wherein between any two adjacent described touch-control drive electrodes, have at least one described in
The first dummy electrodes, and there is at least one described the second dummy electrodes between any two adjacent described touch-control sensing electrodes.
13. 1 kinds of electronic installations, is characterized in that, described electronic installation comprises:
Electronics;
According to the embedded touch display described in any one in claim 1 to 12, described embedded touch display and described electronics are electrically connected.
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| US10061420B2 (en) | 2014-09-26 | 2018-08-28 | Japan Display Inc. | Sensor-equipped display device and method of controlling the same |
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| CN103713413B (en) | 2017-01-25 |
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