CN101158764A - LCD panel, display apparatus and touch sensing switch - Google Patents
LCD panel, display apparatus and touch sensing switch Download PDFInfo
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- CN101158764A CN101158764A CNA2007101661139A CN200710166113A CN101158764A CN 101158764 A CN101158764 A CN 101158764A CN A2007101661139 A CNA2007101661139 A CN A2007101661139A CN 200710166113 A CN200710166113 A CN 200710166113A CN 101158764 A CN101158764 A CN 101158764A
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Abstract
The invention discloses a liquid crystal panel. A first substrate is provided with a wire layer, the wire layer comprises a plurality of wires connected with an external circuit; each pixel electrode is corresponding to a touch sensor switch, the touch sensor switch comprises a switch upper electrode and a switch lower electrode, the switch lower electrode is arranged on a first electrode layer, which comprises an electrical non-conduction first electrode part and a second electrode part, the first electrode part is electrically connected with the wire, and is not electrical conductive to the electrode on the first electrode layer, the second electrode part is electrically connected with the electrode; the switch upper electrode is arranged on the second electrode layer, and is not electrical conductive to the pixel electrode. The invention also discloses a touch sensor switch and a display which comprises the liquid crystal panel. The invention avoids that a touch screen is easy to destroyed due to the touch screen is installed in the front of the display, and also solves the possible existing poor alignment between the touch screen and the display.
Description
Technical field
The present invention relates to electronic technology field, more particularly, relate to a kind of liquid crystal panel, display and touch sensor switch.
Background technology
Be accompanied by the high speed development of electronic technology, many electronic devices have had the touch-screen with photopermeability of the LCD of being assemblied in display element fronts such as (Liquid Crystal Display, LCDs).On above-mentioned electronic device, the user can import required information by touch-screen, and this electronic device is controlled.This mode has reduced the demand of other types input equipments (keyboard, mouse or telepilots etc.), and is easier in the operation.
Existing touch-screen is formed by touching detection part and touch screen controller, touches detection part and is installed in the indicator screen front, is used to detect user touch location, and will be used to indicate the information of this position to be sent to touch screen controller; Described touch screen controller is mainly used in the information of utilizing described touch detection part to send, determines contact coordinate, and the information that sends this coordinate of indication is to central processing unit (CPU), and it can receive order and execution from CPU simultaneously.
The user does not need professional technique, as required touch-screen is arranged on the display front, this display can be become the display that possesses the touch-screen input function, and can dismantle at any time, this structure is when bringing convenience to the user, the problem that exists some to be difficult to overcome:, when installing, might exist touch-screen to aim at uneven situation with display because being connected between touch-screen and the display is dismountable.Even align when just beginning to install, after using a period of time, owing to repeatedly pushed, touch-screen may depart from original position, and it is uneven to make touch-screen aim at display.Touch-screen is aimed at display and unevenly may be made the user automaticly push energetically in operation, shortens the serviceable life of touch-screen.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of liquid crystal panel, display and touch sensor switch, aim at uneven problem with display with the touch-screen that the solution prior art exists.
The present invention is achieved in that
A kind of liquid crystal panel, comprise first substrate and second substrate, and be separately positioned on first electrode layer and the second electrode lay on first substrate and second substrate, be filled with liquid crystal between described first substrate and second substrate, described first electrode layer and the second electrode lay are respectively arranged with electrode and pixel electrode, first substrate is provided with conductor layer, and described conductor layer comprises the many leads that link to each other with external circuit;
The corresponding touch sensor switch of each pixel electrode, this touch sensor switch comprises switch upper electrode and switch bottom electrode, described switch bottom electrode is positioned at described first electrode layer, first electrode part and second electrode part that comprise electrical not conducting each other, described first electrode part and described lead electrically connect, and be positioned at equally first electrode layer to electrically not conducting of electrode, described second electrode part and described electrode is electrically connected; Described switch upper electrode is positioned at the second electrode lay, and with the electrically not conducting of described pixel electrode.
Preferably, in the above-mentioned liquid crystal panel, described conductor layer comprises horizontal ordinate conductor layer and ordinate conductor layer.
Preferably, in the above-mentioned liquid crystal panel, between the horizontal ordinate conductor layer of described conductor layer and described ordinate conductor layer, be provided with first insulation course.
Preferably, in the above-mentioned liquid crystal panel, between the ordinate conductor layer of described conductor layer and first electrode layer, be provided with the black matrix" that is used to shield light.
Preferably, in the above-mentioned liquid crystal panel, between the ordinate conductor layer of described conductor layer and first electrode layer, be provided with second insulation course.
Preferably, in the above-mentioned liquid crystal panel, the lead of described conductor layer and touch sensor switch bottom electrode district are provided with the black matrix" that is used to shield light.
Preferably, in the above-mentioned liquid crystal panel, described first electrode part is made up of first electrode slice and second electrode slice, and the lead of described first electrode slice and described horizontal ordinate conductor layer electrically connects, and the lead of described second electrode slice and described ordinate conductor layer electrically connects.
Preferably, in the above-mentioned liquid crystal panel, the lead on the described horizontal ordinate conductor layer electrically connects by first connecting portion and described first electrode slice, and the lead on the described ordinate conductor layer electrically connects by second connecting portion and described second electrode slice.
The present invention discloses a kind of display, have above-mentioned liquid crystal panel.
In addition, the present invention also discloses a kind of touch sensor switch, corresponding to a pixel of liquid crystal panel, comprise the switch upper electrode and the switch bottom electrode that are positioned at different electrode layers, described switch upper electrode and the electrically not conducting of pixel electrode that is in same electrode layer together; Described switch bottom electrode comprises each other first electrode part and second electrode part of electrically not conducting, described first electrode part and the lead electric connection that is connected external circuit, described second electrode part and be in same electrode layer electrode is electrically connected.
Preferably, in the above-mentioned touch sensor switch, described first electrode part is made up of first electrode slice and second electrode slice, described first electrode slice and the lead electric connection that is used to transmit the ordinate signal, described second electrode slice and the lead electric connection that is used to transmit the horizontal ordinate signal.
Preferably, in the above-mentioned touch sensor switch, described first electrode slice is by first connecting portion and the lead electric connection that is used to transmit the ordinate signal, and described second electrode slice is by second connecting portion and the lead electric connection that is used to transmit the horizontal ordinate signal
From technique scheme as can be known, compared with prior art, the present invention that is to say by touch sensing partly is built in the display, and a kind of touch sensing matrix is set in display, forms the structure of touch sensor and indicator integral.Avoid prior art when installing or after using a period of time, might exist touch-screen to aim at the generation of uneven situation with display.
Description of drawings
Fig. 1 is the structural representation of the embodiment one of a kind of liquid crystal panel of the present invention;
Fig. 2 is the synoptic diagram of first substrate of the embodiment one of a kind of liquid crystal panel of the present invention;
Fig. 3 is the local enlarged diagram in L zone among Fig. 2;
Fig. 4 is the synoptic diagram of second substrate of the embodiment one of a kind of liquid crystal panel of the present invention;
Fig. 5 a for second substrate of the embodiment one of a kind of liquid crystal panel of the present invention and first substrate in combination after in Fig. 3 the cut-open view of AA ' line;
Fig. 5 b for second substrate of the embodiment one of a kind of liquid crystal panel of the present invention and first substrate in combination after in Fig. 3 the cut-open view of BB ' line;
Fig. 6 is the second substrate synoptic diagram of the embodiment two of a kind of liquid crystal panel of the present invention;
Fig. 7 a is the cut-open view of CC ' line among Fig. 6;
Fig. 7 b is the cut-open view of DD ' line among Fig. 6;
Fig. 8 is the synoptic diagram of first substrate of the embodiment two of a kind of liquid crystal panel of the present invention;
Fig. 9 is the local enlarged diagram in L ' zone among Fig. 8;
Figure 10 a for first substrate of a kind of liquid crystal panel embodiment two of the present invention and second substrate in combination after along the cut-open view of EE ' line among Fig. 9;
Figure 10 b for first substrate of a kind of liquid crystal panel embodiment two of the present invention and second substrate in combination after along the cut-open view of FF ' line among Fig. 9.
Embodiment
The general employing of prior art independently is arranged on the display preceding structure with touch-screen, though this frame mode can be user-friendly, for example, touch-screen is arranged on the display front, this display can be become the display that possesses touch-input function.But the problem that also exists some to be difficult to overcome simultaneously: therefore touch-screen is damaged easily owing to be arranged on the display front; In addition, may exist touch-screen to aim at uneven problem with display, cause the impression of " machine reaction insensitive ", influence user's use to the user, and can unconscious increasing strength when pushing, thereby touch-screen may be damaged.
In order to address this problem, the invention provides a kind of improved technical scheme, its basic thought is: a kind of touch sensing matrix is set in the liquid crystal panel of display, forms touch sensor and the incorporate structure of liquid crystal panel.
In order to make those skilled in the art better understand technical solution of the present invention, be described in detail below in conjunction with drawings and Examples.
Please refer to Fig. 1, be the structural representation of a kind of liquid crystal panel embodiment one of the present invention.
This liquid crystal panel comprises first substrate 1 and second substrate 2, and described first substrate 1 and second substrate, 2 sizes are complementary, and shape can be rectangle or square or other shape.Be filled with the liquid crystal (not shown) between described first substrate 1 and second substrate 2.
A vertical side of described first substrate 1 and a horizontal side are connected with the first substrate COF 6 and the first substrate COF 5 respectively, and the English full name of described COF is Chip On Film, and the first substrate COF is exactly a kind of flexible circuit board that is packaged with integrated circuit (IC).
A vertical side of described second substrate 2 and a horizontal side are connected with the second substrate COF 3 and the second substrate COF 4 respectively, and the described second substrate COF 4 connects source IC8, and the described second substrate COF 3 connects grid IC7.Described grid IC7 and source IC8 control TFT (Thin Film Transistor, the thin film transistor (TFT)) switching signal in the AA district and viewing area and the data-signal of data line on second substrate respectively.
The described first substrate COF 5 links to each other with the external circuit (not shown) with the first substrate COF 6, is used for when the user touches the viewing area, obtains the horizontal ordinate (X coordinate) and the ordinate (Y coordinate) of touch point, and the information that sends this coordinate of indication is to external circuit.
Please refer to Fig. 2 and Fig. 3, wherein, Fig. 2 is the synoptic diagram of first substrate of the embodiment one of a kind of liquid crystal panel of the present invention, and Fig. 3 is the local enlarged diagram in L zone among Fig. 2.
As shown in Figure 2, be first glass substrate, 11 (not shown)s at described first substrate, 1 bottom, described first glass substrate 11 upper stratas are provided with filter dichroism beam splitter 12 (also claiming the RGB color filter), conductor layer and the first electrode layer (not shown).Described conductor layer comprises horizontal ordinate conductor layer and ordinate conductor layer, be provided with in the described horizontal ordinate conductor layer the many leads that constitute by metal material (X1, X2, X3 ..., Xn), be provided with in the described ordinate conductor layer the many leads that constitute by metal material (Y1, Y2, Y3 ..., Yn).At this, for convenience of description, with the set of lead in the horizontal ordinate conductor layer be called the X lead (comprise X1 lead, X2 lead ..., the Xn lead), with the set of lead in the ordinate conductor layer be called the Y lead (comprise Y1 lead, Y2 lead ..., the Yn lead), be provided with the insulation course (not shown) between described horizontal ordinate conductor layer and the ordinate conductor layer.
The a plurality of color filter regions of the staggered formation of described X lead and Y lead.
Described filter dichroism beam splitter 12 (also being the RGB color filter) is made up of red photoresistance, green photoresistance and blue photoresistance, and it correspondingly is divided into a plurality of parts, and the corresponding pixel of each part is provided with a kind of photoresistance in each part.Be provided with clearance control parts 9 near the intersection between the blue light resistance part is divided, be used to separate second substrate 2 and first substrate 1, and control the thickness in second substrate 2 and first substrate, 1 gap.Why described clearance control parts 9 will be arranged near the intersection between the branch of blue light resistance part, be because human eye is low to the sensitivity comparison of blueness sensitivity red and green.
In conjunction with Fig. 3, the zone corresponding with sensing unit M is that (described touch sensor switch 30 is made up of switch bottom electrode 31 and switch upper electrode 32 for the switch bottom electrode 31 of touch sensor switch 30 on described first electrode layer, described switch upper electrode 32 second substrate portion hereinafter is introduced again), for convenience of description, the full wafer electrode outside the induction zone on described first electrode layer is called electrode 141.
Described switch bottom electrode 31 is near X2 lead and the Y1 lead overlapping, and described switch bottom electrode 31 comprises first electrode part and second electrode part 312, described first electrode part and the 312 electrically not conductings of second electrode part.Described first electrode part comprises first electrode slice 313 and second electrode slice 314, and described first electrode slice 313 electrically connects by first connecting portion 315 and X2 lead, and described second electrode slice 314 electrically connects by second connecting portion 316 and Y1 lead.Described second electrode part 312 electrically connects electrode 141 with described.
One deck between described ordinate conductor layer and described first electrode layer is made of black matrix" 15, described black matrix" 15 has hidden Y lead and X lead, and hidden the edge part of filter dichroism beam splitter (being the RGB color filter) 12, in addition, also hide described switch bottom electrode 31, prevented the generation of light leakage phenomena.
Need to prove that among Fig. 3, for the concrete structure of clear and definite touch sensor switch 30, black matrix" 15 adopts translucent grey so that clear the demonstration by it covers inner structure partly, this is represented by the inner structure solid line that it covers part.The color of actual black matrix" 15 is lighttight black.
Please refer to Fig. 4, be the synoptic diagram of second substrate of the embodiment one of a kind of liquid crystal panel of the present invention.
At second substrate, 2 top layers are second glass substrate, 21 (not shown)s, and described second glass substrate 21 lower floors are provided with the second electrode lay, and the electrode of described the second electrode lay is divided into a plurality of pixel electrodes 221.
Also be provided with a plurality of electrode slices in the described the second electrode lay, each electrode slice is the switch upper electrode 32 of touch sensor switch 30, each switch upper electrode 32 corresponding pixel electrode 221, and, described switch upper electrode 32 and described pixel electrode 221 electrically not conductings.
Source IC8 and each data line (D1, D2, D3, D4 ..., Dn+1) link to each other, the data-signal of its transmission is transferred to each pixel electrode by described data line.
The sweep signal that grid IC7 sends by sweep trace (G0, G2, G3 ..., Gn) open corresponding pixel electrode switch, the data-signal that source IC8 is sent is imported each pixel electrode 221.
Fig. 5 a shows after second substrate and first substrate in combination cut-open view of AA ' line in Fig. 3.
Described the first metal layer 25 and sweep trace shown in Figure 4 (G0, G2, G3 ..., Gn) be in same one deck, but non-intersect.
Described second metal level 26 and data line shown in Figure 4 (D1, D2, D3 ..., Dn+1) be in same one deck, but non-intersect.
What be in the superiors is first electrode layer, is provided with second electrode slice 314 of first electrode part of switch bottom electrode 31 in this layer, and second electrode part 312 and to electrode 141 (not shown)s.Electrically not conducting between described second electrode slice 314 and described second electrode part 312.Described second electrode part 312 with electrode 141 is electrically connected.
Black matrix" 15 is arranged on adjacent one deck down of described first electrode layer, in case the generation of leak-stopping optical phenomenon.
Described second electrode slice 314 electrically connects by the Y1 lead on second connecting portion 316 and the described ordinate conductor layer 17, and described second connecting portion 316 is a through hole.
Described clearance control parts 9 are made by having certain flexible material, and when the user touches this liquid crystal panel, described clearance control parts 9 are compressed.Described first substrate 1 moves towards second substrate 2, switch upper electrode 32 on described second substrate 2 presses to first electrode layer on described first substrate 1, the top electrode 32 that second electrode slice 314 of described switch bottom electrode 31 and second electrode part 312 are come by pressing forms and electrically conducts, since second electrode part 312 itself with electrode 141 is electrically connected, therefore the voltage signal on the electrode 141 is transferred to second electrode slice 314, and be delivered to Y1 lead on the ordinate layer 17 by described second connecting portion 316, be sent to external circuit by the Y1 lead again and handle, to determine the touch point ordinate.
Fig. 5 b shows after second substrate and first substrate in combination cut-open view of BB ' line in Fig. 3.
Described the first metal layer 25 and sweep trace shown in Figure 4 (G0, G2, G3 ..., Gn) be in same one deck, but non-intersect.
Described second metal level 26 and data line shown in Figure 4 (D1, D2, D3 ..., Dn+1) be in same one deck, but non-intersect.
What be in the superiors is first electrode layer, is provided with first electrode slice 313 of first electrode part of switch bottom electrode 31 in this layer, and second electrode part 312 and to electrode 141 (not shown)s.Electrically not conducting between described first electrode slice 313 and described second electrode part 312.Described second electrode part 312 with electrode 141 is electrically connected.
Black matrix" 15 is arranged on adjacent one deck down of described first electrode layer, in case the generation of leak-stopping optical phenomenon.
Described first electrode slice 313 electrically connects by the X2 lead on first connecting portion 315 and the described horizontal ordinate conductor layer 16, and described first connecting portion 315 is a through hole.
When the user touches this liquid crystal panel, described first substrate 1 moves towards second substrate 2, switch upper electrode 32 on described second substrate 2 presses to first electrode layer on described first substrate 1, the switch upper electrode 32 that first electrode slice 313 of described switch upper electrode 31 and second electrode part 312 are come by pressing forms and electrically conducts, since second electrode part 312 itself with electrode 141 is electrically connected, therefore the voltage signal on the electrode 141 is transferred to first electrode slice 313, and be delivered to X2 lead on the horizontal ordinate layer 16 by first connecting portion 315, be sent to external circuit by the X2 lead again and handle, to determine the touch point horizontal ordinate.
Need to prove that described first electrode layer and the second electrode lay also can be called the IT0 layer, electrode slice wherein is an indium tin oxide conductive film.After the described IT0 layer of display completes, need make liquid crystal molecule with certain regularly arranged to the operation that the panel integral body of display is carried out orientation and friction, need cover with the material of insulation during orientation, for the situation in pressing guarantees the contact conducting, in the sensing unit M shown in above-mentioned Fig. 5 a and Fig. 5 b, do not make the orientation engineering.
With being connected between prior art touch-screen and the display be that dismountable structure is different, the embodiment of the invention is by partly being built in touch sensing in the display, that is to say, a kind of touch sensing matrix is set in display, form the structure of touch sensor and indicator integral.Avoided touch-screen to aim at the generation of uneven situation with display.And avoided touch-screen since outward hang over the display front through regular meeting owing to the appearance that is scratched the situation of scrapping.
Introduce second embodiment of the present invention below.
Please refer to shown in Figure 6ly, be the second substrate synoptic diagram of the embodiment two of a kind of display of the present invention.
In the foregoing description one, filter dichroism beam splitter 12 is to be arranged on independently on first substrate 1, reason owing to first substrate and the second substrate in combination precision, the width of the black matrix" of the covering light transmission part that needs generally need be considered alignment error, yardstick than broad need be set usually, so aperture opening ratio is generally lower.
In order to address this problem, in the present embodiment, described filter dichroism beam splitter 12 is to be arranged on described second substrate 2 in the mode that is coated with, and forms chromatic filter layer.
Between described second substrate 2 and first substrate 1 clearance control parts 9 are set, be used to separate second substrate 2 and first substrate 1, its concrete present position is near the intersection between the branch of blue light resistance part, why described clearance control parts 9 will be arranged near the intersection between the branch of blue light resistance part, be because human eye is low to the sensitivity comparison of blueness sensitivity red and green.
Between second glass substrate and pixel electrode 221, be provided with the black matrix" (not shown), hide each data line and sweep trace, and hidden the edge part of filter dichroism beam splitter (not shown), in addition, also hidden described switch upper electrode 32.
Electrically not conducting between the switch upper electrode 32 of touch sensor switch 30 and the pixel electrode 221, suppose that described switch upper electrode 32 is H1 in the distance of described touch sensor switch 30 places distance second glass substrate 21, the distance of distance from top second glass substrate 21 of described clearance control parts 9 is H2, H1＜H2.Source IC8 be each data line (D1, D2, D3, D4 ..., Dn+1) data-signal is provided, the data-signal of its transmission is transferred to each pixel electrode by described data line.The sweep signal that grid IC7 sends by sweep trace (G0, G2, G3 ..., Gn) open corresponding pixel electrode switch, the data-signal that source IC8 is sent is imported each pixel electrode 221.
Need to prove, described clearance control parts 9 are made by having certain flexible material, when the user touches this liquid crystal panel, described clearance control parts 9 are compressed, when touch sensor switch 30 was opened, described clearance control parts 9 were in the elastic range, when the user unclamps touch, described clearance control parts 9 resile, and guarantee that described touch sensor switch 30 is in closed condition.
Fig. 7 a shows the cut-open view of CC ' line among Fig. 6.
Be provided with gate insulation layer 23 between the switch upper electrode 32 of described touch sensor switch 30 and described second glass substrate 21, be provided with insulation course 24 between described switch upper electrode 32 and the described gate insulation layer 23.Between described insulation course 24 and described switch upper electrode 32, be provided with gap control material 9.
In order to prevent light leak, can between described gate insulation layer 23 and described insulation course 24, be provided with black matrix" 15.
Described switch upper electrode 32 is represented with H1 in the distance of described touch sensor switch 30 places distance second glass substrate 21.
Fig. 7 b shows the cut-open view of DD ' line among Fig. 6.
Described second glass substrate 21 lower floors are provided with gate insulation layer 23, and described gate insulation layer 23 lower floors are provided with insulation course 24.Position in the correspondence of sensing unit M shown in Figure 3, be provided with the first metal layer 25 between described gate insulation layer 23 and described second glass substrate 21, be provided with second metal level 26 between described gate insulation layer 23 and the described insulation course 24, between described second metal level 26 and described gate insulation layer 23, be provided with an active layer 27.Clearance control parts 9 are arranged on adjacent one deck down of insulation course 24, and do not have other coverture above it.
Described black matrix" 15 is arranged on the adjacent last layer of described insulation course 24.
The bottom of described clearance control parts 9 is represented with H2 to the distance of described second glass substrate 21.
From structure shown in Fig. 7 a and Fig. 7 b as can be seen, H2＞H1, guaranteeing is not having under the touched situation, and described touch sensor switch 30 keeps not on-state.
Please refer to Fig. 8 and Fig. 9, wherein Fig. 8 is the synoptic diagram of first substrate of the embodiment two of a kind of display of the present invention, and Fig. 9 is the local enlarged diagram in L ' zone among Fig. 8.
Described first substrate, 1 bottom is first glass substrate, 11 (not shown)s, described first glass substrate 11 upper stratas are provided with the conductor layer and first electrode layer, described conductor layer comprises horizontal ordinate conductor layer and ordinate conductor layer, be provided with in the described horizontal ordinate conductor layer the many leads that constitute by metal material (X1, X2, X3 ..., Xn), be provided with in the described ordinate conductor layer the many leads that constitute by metal material (Y1, Y2, Y3 ..., Yn).At this, for convenience of description, with the set of lead in the horizontal ordinate conductor layer be called the X lead (comprise X1 lead, X2 lead ..., the Xn lead), with the set of lead in the ordinate conductor layer be called the Y lead (comprise Y1 lead, Y2 lead ..., the Yn lead), be provided with the insulation course (not shown) between described horizontal ordinate conductor layer and the ordinate conductor layer.
Described switch bottom electrode 31 is near X lead and the Y lead overlapping, and described switch bottom electrode 31 comprises first electrode part and second electrode part 312, electrically not conducting between described first electrode part and second electrode part 312.Described first electrode part comprises first electrode slice 313 and second electrode slice 314, and described first electrode slice 313 electrically connects by first connecting portion 315 and X2 lead, and described second electrode slice 314 electrically connects by second connecting portion 316 and Y1 lead.Described second electrode part 312 electrically connects electrode 141 with described.
Figure 10 a shows above-mentioned first substrate 1 and second substrate 2 makes up the cut-open view of back along EE ' line among Fig. 9.
Best, at adjacent one deck down of described first electrode layer another insulation course 19 is set.
Described second electrode slice 314 electrically connects by the Y1 lead on second connecting portion 316 and the described ordinate conductor layer 17, and described second connecting portion 316 is a through hole.
In order to prevent light leak, can between described gate insulation layer 23 and described insulation course 24, be provided with black matrix" 15.
When user's touch LCD panel, described first substrate 1 moves towards second substrate 2.Switch upper electrode 32 on described second substrate 2 presses to first electrode layer on described first substrate 1, the top electrode 32 that second electrode slice 314 of described switch bottom electrode 31 and second electrode part 312 are come by pressing forms and electrically conducts, since second electrode part 312 itself with electrode 141 is electrically connected, therefore the voltage signal on the electrode 141 is transferred to second electrode slice 314 and is delivered to Y1 lead on the ordinate layer 17 by described second connecting portion 316, be sent to external circuit by the Y1 lead again and handle, to determine the touch point ordinate.
Figure 10 b shows above-mentioned first substrate 1 and second substrate 2 makes up the cut-open view of back along FF ' line among Fig. 9.
The structure of second substrate 2 is identical with the structure of second substrate shown in Figure 10 a.
Described first electrode slice 313 electrically connects by the X2 lead on first connecting portion 315 and the described horizontal ordinate conductor layer 16, and described first connecting portion 315 is a through hole.
When user's touch LCD panel, described first substrate 1 moves towards second substrate 2, switch upper electrode 32 on described second substrate 2 presses to first electrode layer on described first substrate 1, the switch upper electrode 32 that first electrode slice 313 of described switch upper electrode 31 and second electrode part 312 are come by pressing forms and electrically conducts, since second electrode part 312 itself with electrode 141 is electrically connected, therefore the voltage signal on the electrode 141 is transferred to first electrode slice 313, and be delivered to X2 lead on the horizontal ordinate layer 16 by first connecting portion 315, be sent to external circuit by the X2 lead again and handle, to determine the touch point horizontal ordinate.
The present invention discloses a kind of display.
This display is with the difference of existing display: the structure of the structure of its liquid crystal panel and the liquid crystal panel of existing display is different.
The structure of its liquid crystal panel was introduced in detail in preamble liquid crystal panel part, did not repeat them here.
The present invention also discloses a kind of touch sensor switch,, comprise the switch upper electrode and the switch bottom electrode that are positioned at different electrode layers, described switch upper electrode and be in electrically not conducting between the pixel electrode of same electrode layer together corresponding to a pixel; Described switch upper electrode comprises first electrode part and second electrode part of electrically not conducting, described first electrode part and the lead electric connection that is connected external circuit, described second electrode part and be in same electrode layer electrode is electrically connected.
Described first electrode part is made up of first electrode slice and second electrode slice, described first electrode slice and the lead electric connection that is used to transmit the ordinate signal, described second electrode slice and the lead electric connection that is used to transmit the horizontal ordinate signal.
The course of work of this touch sensor switch and principle of work were introduced in detail in aforementioned display device embodiment part, repeated no more equally at this.
More than disclosed only be preferred implementation of the present invention; but the present invention is not limited thereto; any those skilled in the art can think do not have a creationary variation, and, all should drop in protection scope of the present invention not breaking away from some improvements and modifications of being done under the principle of the invention prerequisite.
Claims (14)
1. liquid crystal panel, comprise first substrate and second substrate, and be separately positioned on first electrode layer and the second electrode lay on first substrate and second substrate, be filled with liquid crystal between described first substrate and second substrate, described first electrode layer and the second electrode lay are respectively arranged with electrode and pixel electrode, it is characterized in that
First substrate is provided with conductor layer, and described conductor layer comprises the many leads that link to each other with external circuit;
The corresponding touch sensor switch of each pixel electrode, this touch sensor switch comprises switch upper electrode and switch bottom electrode, described switch bottom electrode is positioned at described first electrode layer, first electrode part and second electrode part that comprise electrical not conducting each other, described first electrode part and described lead electrically connect, and be positioned at equally first electrode layer to electrically not conducting of electrode, described second electrode part and described electrode is electrically connected; Described switch upper electrode is positioned at the second electrode lay, and with the electrically not conducting of described pixel electrode.
2. liquid crystal panel as claimed in claim 1 is characterized in that, described conductor layer comprises horizontal ordinate conductor layer and ordinate conductor layer.
3. liquid crystal panel as claimed in claim 2 is characterized in that, is provided with first insulation course between the horizontal ordinate conductor layer of described conductor layer and described ordinate conductor layer.
4. liquid crystal panel as claimed in claim 2 is characterized in that, is provided with the black matrix" that is used to shield light between the ordinate conductor layer of described conductor layer and first electrode layer.
5. display as claimed in claim 2 is characterized in that, is provided with second insulation course between the ordinate conductor layer of described conductor layer and first electrode layer.
6. liquid crystal panel as claimed in claim 1 is characterized in that, the lead of described conductor layer and touch sensor switch bottom electrode district are provided with the black matrix" that is used to shield light.
7. as any described liquid crystal panel of claim 1-6, it is characterized in that, described first electrode part is made up of first electrode slice and second electrode slice, the lead of described first electrode slice and described horizontal ordinate conductor layer electrically connects, and the lead of described second electrode slice and described ordinate conductor layer electrically connects.
8. liquid crystal panel as claimed in claim 7, it is characterized in that, lead on the described horizontal ordinate conductor layer electrically connects by first connecting portion and described first electrode slice, and the lead on the described ordinate conductor layer electrically connects by second connecting portion and described second electrode slice.
9. a display has each described liquid crystal panel as claim 1-5.
10. display as claimed in claim 9, it is characterized in that, described first electrode part is made up of first electrode slice and second electrode slice, and the lead of described first electrode slice and described horizontal ordinate conductor layer electrically connects, and the lead of described second electrode slice and described ordinate conductor layer electrically connects.
11. display as claimed in claim 10, it is characterized in that, described first electrode slice electrically connects by the lead of first connecting portion and described horizontal ordinate conductor layer, and described second electrode slice electrically connects by the lead of second connecting portion and described ordinate conductor layer.
12. a touch sensor switch, a pixel corresponding to liquid crystal panel is characterized in that,
Comprise the switch upper electrode and the switch bottom electrode that are positioned at different electrode layers, described switch upper electrode and the electrically not conducting of pixel electrode that is in same electrode layer together; Described switch bottom electrode comprises each other first electrode part and second electrode part of electrically not conducting, described first electrode part and the lead electric connection that is connected external circuit, described second electrode part and be in same electrode layer electrode is electrically connected.
13. touch sensor switch as claimed in claim 12, it is characterized in that, described first electrode part is made up of first electrode slice and second electrode slice, described first electrode slice and the lead electric connection that is used to transmit the ordinate signal, described second electrode slice and the lead electric connection that is used to transmit the horizontal ordinate signal.
14. touch sensor switch as claimed in claim 13, it is characterized in that, described first electrode slice is by first connecting portion and the lead electric connection that is used to transmit the ordinate signal, and described second electrode slice is by second connecting portion and the lead electric connection that is used to transmit the horizontal ordinate signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101661139A CN101158764A (en) | 2007-11-07 | 2007-11-07 | LCD panel, display apparatus and touch sensing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101661139A CN101158764A (en) | 2007-11-07 | 2007-11-07 | LCD panel, display apparatus and touch sensing switch |
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| Publication Number | Publication Date |
|---|---|
| CN101158764A true CN101158764A (en) | 2008-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101661139A Pending CN101158764A (en) | 2007-11-07 | 2007-11-07 | LCD panel, display apparatus and touch sensing switch |
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| Country | Link |
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| CN (1) | CN101158764A (en) |
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| CN101943812A (en) * | 2009-07-01 | 2011-01-12 | 卡西欧计算机株式会社 | Display panels and touch panel |
| CN102012762A (en) * | 2009-09-04 | 2011-04-13 | 三星移动显示器株式会社 | Flat panel display integrated with touch screen panel |
| CN102541335A (en) * | 2010-12-30 | 2012-07-04 | 上海天马微电子有限公司 | Touch display device |
| CN102566174A (en) * | 2010-11-25 | 2012-07-11 | 乐金显示有限公司 | Liquid crystal display device |
| CN101893977B (en) * | 2009-05-19 | 2012-07-25 | 北京京东方光电科技有限公司 | Touch screen, color film base plate and manufacture method thereof |
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| RU2471213C1 (en) * | 2008-09-30 | 2012-12-27 | Шарп Кабусики Кайся | Display |
| US8941596B2 (en) | 2009-05-19 | 2015-01-27 | Beijing Boe Optoelectronics Technology Co., Ltd. | Touch screen, color filter substrate and manufacturing methods thereof |
| CN101893977B (en) * | 2009-05-19 | 2012-07-25 | 北京京东方光电科技有限公司 | Touch screen, color film base plate and manufacture method thereof |
| CN101943812B (en) * | 2009-07-01 | 2014-06-25 | 卡西欧计算机株式会社 | Liquid crystal display panel and touch panel |
| CN101943812A (en) * | 2009-07-01 | 2011-01-12 | 卡西欧计算机株式会社 | Display panels and touch panel |
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| CN102012762B (en) * | 2009-09-04 | 2013-05-08 | 三星显示有限公司 | Flat panel display integrated with touch screen panel |
| CN102012762A (en) * | 2009-09-04 | 2011-04-13 | 三星移动显示器株式会社 | Flat panel display integrated with touch screen panel |
| CN102023733B (en) * | 2009-09-11 | 2012-11-14 | 北京京东方光电科技有限公司 | Touch screen, color film substrate and manufacturing method thereof |
| US9134872B2 (en) | 2009-09-11 | 2015-09-15 | Beijing Boe Optoelectronics Technology Co., Ltd. | Touch screen, color filter substrate and manufacturing method thereof |
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