CN201438247U - Liquid crystal panel and liquid crystal monitor - Google Patents
Liquid crystal panel and liquid crystal monitor Download PDFInfo
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- CN201438247U CN201438247U CN2009201093258U CN200920109325U CN201438247U CN 201438247 U CN201438247 U CN 201438247U CN 2009201093258 U CN2009201093258 U CN 2009201093258U CN 200920109325 U CN200920109325 U CN 200920109325U CN 201438247 U CN201438247 U CN 201438247U
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Abstract
The utility model relates to a liquid crystal panel and a liquid crystal monitor. The liquid crystal panel comprises a first substrate and a second substrate, which are opposite to each other, wherein the side of the first substrate which is away from the second substrate is provided with a polaroid sheet, and also comprises a touch-type input structure and an electromagnetic array, wherein the touch-type input structure is attached to the outer side surface of the Polaroid sheet which is away from the first substrate and is used for identifying a touch signal; and the electromagnetic antenna array at least comprises a first directional conducting wire and a second directional conducting wire, the first and the second directional conducting wires are respectively made of the electrically-conductive materials and are arranged on any membrane layer between a first underlay substrate and a second underlay substrate, and the antenna array is used for identifying the electromagnetic signal. The liquid crystal monitor adopts the liquid crystal panel and also comprises a control device, wherein the control device is connected with the touch-type input structure and the electromagnetic antenna array and is used for transmitting the touch signal and for identifying the electromagnetic signal. The liquid crystal monitor simultaneously has the functions of the electromagnetic sensing input and the touch input and satisfies the lightening and thinning requirements.
Description
Technical field
The utility model relates to writing technology, relates in particular to a kind of liquid crystal panel and LCD with hand-write input function.
Background technology
Along with the development of input technology and display technique, it is the development trend that accords with the demands of the market that LCD commonly used and hand input device are combined.
In the prior art, making LCD possess the technical scheme that hand-write input function adopts has following several.At first, handwriting input is according to realizing that principle can be divided into resistance-type, condenser type and inductance type.Resistance-type and capacitive hand input device come receiving inputted signal with the identification touch action, and generally independently resistance-type or condenser type writing input board are assembled in the outside of LCD, promptly towards beholder's a side, so that receive touch input action.The inductance type handwriting pad is discerned input position with the electromagnetic signal that receives electromagnetic pen, also is assembled in the outside or the back side of LCD usually as an individual components, for example the back of module backlight.
The defective that the scheme of above-mentioned realization LCD hand-write input function exists is: writing input board can increase the thickness of LCD as an individual components, is not inconsistent with the trend of LCD to lightening development; Writing input board and LCD assembling instability, unstable problem can occur when assembling, cause input precision to descend.
The utility model content
The purpose of this utility model provides a kind of liquid crystal panel and LCD, with the precision and the reliability of raising LCD handwriting input, and satisfies the lightening demand for development of LCD.
For achieving the above object, the utility model provides a kind of liquid crystal panel, comprises first substrate and second substrate that box is provided with, is filled with liquid crystal layer therebetween; Described first substrate and second substrate comprise first underlay substrate and second underlay substrate respectively and go up the multiple film layer structure that forms; The side that described first substrate deviates from described second substrate polaroid that has been sticked, wherein, described liquid crystal panel also comprises:
Touch input structure is sticked and deviates from the outer surface of described first substrate at described polaroid, is used to discern touch signal;
The electromagnetic type aerial array, at least comprise first direction lead and second direction lead, described first direction lead and described second direction lead are made by conductive material respectively, be formed on the arbitrary rete between described first underlay substrate and second underlay substrate, keep insulation with the conductive material in the described multiple film layer structure, described aerial array is used to discern electromagnetic signal.
For achieving the above object, the utility model also provides a kind of LCD that adopts the utility model liquid crystal panel, also comprises framework and control device, and wherein: described liquid crystal panel is embedded among framework; Described touch input structure and electromagnetic type aerial array all are connected on the described control device, are used to transmit touch signal and electromagnetic signal is discerned.
By above technical scheme as can be known, the utility model adopts integrated antenna array in liquid crystal panel, the technological means of integrated touch formula input structure on polaroid, make LCD can possess the function of electromagnetic induction identification handwriting input and identification touch input simultaneously, and because aerial array is integrated in the liquid crystal panel, touch input structure is integrated on the polaroid, so increase the thickness of LCD hardly, satisfy lightening requirement, and reduced assembly cost.Combining closely of aerial array, touch input structure and liquid crystal panel can also avoid assembling the error of generation, can improve the precision and the reliability of identification.
Description of drawings
The partial side TV structure synoptic diagram of the liquid crystal panel that Fig. 1 is provided for the utility model first embodiment;
The structural representation of the liquid crystal panel embodiment one that Fig. 2 is provided for the utility model second embodiment;
The structural representation of the liquid crystal panel embodiment two that Fig. 3 is provided for the utility model second embodiment;
The structural representation of the liquid crystal panel embodiment three that Fig. 4 is provided for the utility model second embodiment;
The structural representation of the liquid crystal panel embodiment one that Fig. 5 is provided for the utility model the 3rd embodiment;
The structural representation of the liquid crystal panel embodiment two that Fig. 6 is provided for the utility model the 3rd embodiment;
The structural representation of the liquid crystal panel embodiment three that Fig. 7 is provided for the utility model the 3rd embodiment;
The structural representation of the liquid crystal panel embodiment four that Fig. 8 is provided for the utility model the 3rd embodiment;
The side-looking structural representation of polaroid in the liquid crystal panel that Fig. 9 is provided for the utility model the 4th embodiment;
The synoptic diagram of four-wire resistance type touch screen structure in the liquid crystal panel that Figure 10 is provided for the utility model the 4th embodiment;
The synoptic diagram of five wire resistance type touch screen structures in the liquid crystal panel that Figure 11 is provided for the utility model the 4th embodiment;
The side-looking structural representation of polaroid in the liquid crystal panel that Figure 12 is provided for the utility model the 5th embodiment;
The structural representation of control device in the LCD that Figure 13 is provided for the utility model the 6th embodiment.
Embodiment
The liquid crystal panel that the utility model provides comprises first substrate and second substrate that box is provided with, and is filled with liquid crystal layer therebetween; First substrate comprises first underlay substrate and is formed on multiple film layer structure on first underlay substrate, and second substrate comprises second underlay substrate and is formed on multiple film layer structure on second underlay substrate; The side that this first substrate deviates from second substrate polaroid that has been sticked.Usually, first substrate is color membrane substrates, and second substrate is array base palte.And this liquid crystal panel also comprises touch input structure and electromagnetic type aerial array.Touch input structure is sticked and deviates from the outer surface of first substrate at polaroid, is used to discern touch signal; The electromagnetic type aerial array comprises first direction lead and second direction lead at least, first direction lead and second direction lead are made by conductive material respectively, the preferred transparent conductive material that adopts is made, be formed on the arbitrary rete between first underlay substrate and second underlay substrate, keep insulation with the conductive material in the multiple film layer structure, this aerial array is used to discern electromagnetic signal.
The electromagnetic type aerial array is based on electromagnetic induction principle and finishes handwriting input, need be cooperated by aerial array and electromagnetic pen finish.As this area general knowledge as can be known, this aerial array is made up of two-layer lead loop at least, wherein each layer conductor coil can be made up of a plurality of U-shaped coils of direction unanimity, and the lead loop direction in two-layer is vertical, when electromagnetic pen sent electromagnetic signal, aerial array can receiving electromagnetic signals, the frequency of identification electromagnetic signal and amplitude etc., and the residing position of identification electromagnetic pen, thereby realize handwriting input.
Touch input structure can specifically have multiple implementation for resistive touch screen structure or capacitive touch screen structure.
The underlay substrate of color membrane substrates and array base palte adopts glass to make usually, and the multiple film layer structure plan that forms on underlay substrate has multiple design, and also there is multiple mode the position that aerial array can form.
Typical a kind of aerial array comprises first direction lead and second direction lead.Need to keep insulation between first direction lead and the second direction lead, and need keep insulation with the conductive material in the liquid crystal panel, with avoid with liquid crystal panel in operating circuit be short-circuited.Based on insulating requirements, aerial array can have multiple generation type in liquid crystal panel.
Wherein a kind ofly be: first direction lead that aerial array comprises and second direction lead are respectively formed between the underlay substrate or rete of two insulating material in the liquid crystal panel.Be that the first direction lead is separately positioned on different positions with the second direction lead, be formed between the underlay substrate and rete of insulating material, or be formed between two retes of insulating material.This technical scheme needn't increase extra insulating film layer.
Another kind is: first direction lead that aerial array comprises and second direction lead are formed between the underlay substrate or rete of two insulating material in the liquid crystal panel, and are formed with interior spacer insulator layer between first direction lead and the second direction lead.First direction lead and second direction lead are formed together in this technical scheme, and each other with interior spacer insulator layer mutually insulated.
Another is: the adjacent setting of rete of conductive material in the first direction lead that aerial array comprises and/or second direction lead and the liquid crystal panel, and and the rete of adjacent conductive material between be formed with outer spacer insulator layer.In this technical scheme, first direction lead and second direction lead can be provided with together, also can separate setting, and can be arranged on any position, and spacer insulator layer realizes the insulation of conductive material in aerial array and the liquid crystal panel in addition.
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment, following embodiment is a color membrane substrates with first substrate of liquid crystal panel all, and second substrate is that array base palte describes.
First embodiment
The partial side TV structure synoptic diagram of the liquid crystal panel that Fig. 1 is provided for the utility model first embodiment.Usually be divided into a plurality of pixel cells in the plane of liquid crystal panel, present embodiment is that example describes with a kind of typical Thin Film Transistor-LCD, as shown in Figure 1, is the structure of a pixel cell in the liquid crystal panel.
Multiple film layer structure on typical a kind of color membrane substrates begins from contiguous first underlay substrate, 11 1 sides, comprises color resin and black matrix layer 12, first protective seam 13, common electrode layer 14 and the first orientation rete 15 at least successively.Color resin wherein and black matrix layer 12 comprise color film resin 121 and black matrix 122, and black matrix 122 is disposed between the color film resin 121.First protective seam 13 is generally organic insulation and makes, and can play a protective role to color resin and black matrix layer 12, also plays the effect that makes color resin and black matrix layer 12 planarizations simultaneously.Common electrode layer 14 is made for transparent conductive material, for liquid crystal molecule 63 provides common electric voltage.The first orientation rete 15 is generally made by insulating material, is formed with orientation slots on it, presses close to the liquid crystal layer setting, can limit the direction of the liquid crystal molecule of being close to 63.
Multiple film layer structure on typical a kind of array base palte begins from contiguous second underlay substrate, 21 1 sides, comprises that at least successively film crystal drives array rete 22, second protective seam 23 and the second orientation rete 24.Thin film transistor (TFT) drives array rete 22 and is made of a plurality of rete patterns, generally comprises gate electrode and controlling grid scan line, gate insulator, active layer, source electrode, drain electrode, passivation layer and pixel electrode etc.Be coated with second protective seam 23 on film crystal driving array rete 22, similar with first protective seam 13, second protective seam 23 is also made by organic insulation, film crystal is driven array rete 22 play a protective role and the smooth usefulness that turns into.Orientation slots on the second orientation rete of formation on second protective seam 23,24, the second orientation retes 24 limits the direction of the liquid crystal molecule of being close to 63.
To box, the centre was provided with chock insulator matter 61 and supports after color membrane substrates and array base palte manufacturing were finished, and with 62 sealings of envelope frame glue, then the filling liquid crystal molecule 63 all around.
Based on the image-forming principle of LCD, generally can also comprise upper polarizer 30 and following polaroid 40 in the both sides of liquid crystal panel, the cooperation liquid crystal molecule shows different images to the twisting action of light.Touch input structure 80 can be integrated on the upper polarizer 30.
The aerial array that is provided with in the liquid crystal panel is made by conductive material, preferably adopts transparent conductive material to make, and specifically can adopt identical materials, for example indium tin oxide (Indium Tin Oxides with pixel electrode, common electrode layer etc.; Hereinafter to be referred as: ITO) etc.In the present embodiment, this aerial array comprises first direction lead 51 and the second direction lead 52 that is perpendicular to one another; This first direction lead 51 and second direction lead 52 are respectively formed between the underlay substrate or rete of two insulating material in the liquid crystal panel.
Particularly, one in first direction lead 51 and the second direction lead 52 is formed on first underlay substrate 11 on the surface of liquid crystal panel inboard, and another is formed on second protective seam 23 on the surface of liquid crystal panel inboard.For example; first direction lead 51 can be formed on first underlay substrate 11; with first underlay substrate 11 contiguous be color resin and the black matrix layer 12 that insulating material is made; second direction lead 52 is formed on second protective seam 23, with second protective seam 23 contiguous be the second orientation rete 24 that insulating material is made.
Color resin and black matrix layer and first protective seam also all are the retes of insulating material.Be that any two places that first direction lead or second direction lead are respectively formed in the following position get final product:
Be formed between first underlay substrate and color resin and the black matrix layer;
Be formed between color resin and the black matrix layer and first protective seam;
Be formed between second protective seam and the second orientation rete.
Adopt technique scheme, can directly adopt transparent conductive material on the basis of existing liquid crystal panel, to form first direction lead and second direction lead, need not increase other new retes, simultaneously, first direction lead and second direction lead all can be formed on the smooth rete, help satisfying the requirement of aerial array identification electromagnetic signal.
Adopt the technical scheme of present embodiment, on the basis of existing liquid crystal panel, lead in touch input structure and the aerial array can be integrated among the liquid crystal panel, needn't assemble independently writing input board in the LCD outside on the one hand, therefore can satisfy the lightening requirement of LCD, can save simultaneously and make and assembly cost; Aerial array combines with liquid crystal panel closely on the other hand, can improve the precision and the reliability of identification electromagnetic signal position; Can also make liquid crystal panel possess the function of discerning touch signal and electromagnetic signal simultaneously, enrich user's input mode.
Second embodiment
Among the utility model second embodiment, the liquid crystal panel structure and first embodiment are basic identical, this aerial array comprises first direction lead and the second direction lead that is perpendicular to one another, difference is: be coated with the insulation transparent rete on first direction lead and the second direction lead, when soon first direction lead and second direction lead are formed in the liquid crystal panel, can the insulation transparent rete be set respectively in the both sides of first direction lead and second direction lead, thereby guarantee the insulation of first direction lead and second direction lead and liquid crystal panel.
In the present embodiment, spacer insulator layer 53 in can being formed with between this first direction lead 51 and the second direction lead 52, then first direction lead 51 and second direction lead 52 at first keep insulation between the two.
The concrete formation position of aerial array and interior spacer insulator layer 53 can have a plurality of, and specifically should be formed between the underlay substrate or rete of two insulating material.Fig. 2～4 are respectively the structural representation of each embodiment of liquid crystal panel that the utility model second embodiment provided, and wherein still possessing structure described in first embodiment with color membrane substrates and array base palte is that example describes.
As shown in Figure 2, first direction lead 51, interior spacer insulator layer 53 and second direction lead 52 can be formed between first underlay substrate 11 and color resin and the black matrix layer 12.
Perhaps as shown in Figure 3, first direction lead 51, interior spacer insulator layer 53 and second direction lead 52 can be formed between color resin and the black matrix layer 12 and first protective seam 13.
Perhaps as shown in Figure 4, first direction lead 51, interior spacer insulator layer 53 and second direction lead 52 can be formed between second protective seam 23 and the second orientation rete 24.
The 3rd embodiment
Among the utility model the 3rd embodiment, the liquid crystal panel structure and first embodiment are basic identical, this aerial array comprises first direction lead and the second direction lead that is perpendicular to one another, difference is: be coated with outer spacer insulator layer on first direction lead and/or the second direction lead, thereby guarantee the insulation of conductive material in first direction lead and second direction lead and the liquid crystal panel.
Adopt technique scheme, then first direction lead and second direction lead can be arranged on the optional position in two underlay substrates of liquid crystal panel, can be set together to keep insulation with interior spacer insulator layer, also can separate setting.Be that example describes with described typical color membrane substrates of the foregoing description and array base palte still, Fig. 5～8 are respectively the structural representation of each embodiment of liquid crystal panel that the utility model the 3rd embodiment provided.
As shown in Figure 5, first direction lead 51, interior spacer insulator layer 53, second direction lead 52 and outer spacer insulator layer 54 can be formed between first protective seam 13 and the common electrode layer 14, in addition the insulation of spacer insulator layer 54 maintenance second direction leads 52 and common electrode layer 14;
Perhaps as shown in Figure 6, first direction lead 51, interior spacer insulator layer 53, second direction lead 52 and outer spacer insulator layer 54 can be formed between the common electrode layer 14 and the first orientation rete 15, the insulation of spacer insulator layer 54 maintenance first direction leads 51 and common electrode layer 14 in addition;
Perhaps as shown in Figure 7, first direction lead 51, interior spacer insulator layer 53, second direction lead 52 and outer spacer insulator layer 54 can be formed on second underlay substrate 21 and thin film transistor (TFT) drives between the array rete 22, perhaps also can be formed on thin film transistor (TFT) and drive in the array rete 22 between any two retes, spacer insulator layer 54 keeps insulation in addition.
Perhaps as shown in Figure 8; first direction lead 51, interior spacer insulator layer 53, second direction lead 52 and outer spacer insulator layer 54 can be formed on thin film transistor (TFT) and drive between the array rete 22 and second protective seam 23, and spacer insulator layer 54 keeps second direction lead 52 and thin film transistor (TFT) to drive the insulation of array rete 22 in addition.
Technique scheme can realize insulation by spacer insulator layer 54 outside adding between the rete of first direction lead 51 and second direction lead 52 and conduction.
Spacer insulator layer makes it form insulated conductor and realizes insulation outside perhaps also can wrapping up on first direction lead and second direction lead.
In the present embodiment, first direction lead and second direction lead are not limited to be set together, and can also separate setting, divide to be located between the different retes, and keep insulation with one or more outer spacer insulator layer.
The technical scheme of present embodiment, lead in the spacer insulator layer isolated antennas array and the conductive material in the liquid crystal panel in addition, aerial array is integrated among the liquid crystal panel, can satisfy the lightening requirement of LCD, can save simultaneously and make and assembly cost, aerial array is combined with liquid crystal panel closely, improve the precision and the reliability of identification electromagnetic signal position.
In the above-mentioned second and the 3rd embodiment, aerial array comprises first direction lead and the second direction lead that is perpendicular to one another, and can wrap up or be coated with the insulation transparent rete on first direction lead and the second direction lead.First direction lead and second direction lead can also be respectively formed on the color membrane substrates two sides of any one rete in the multiple film layer structure on the multiple film layer structure and array base palte, or be formed on the surface of any two retes, for example being formed on thin film transistor (TFT) drives in the rete between arbitrary rete pattern, as long as guarantee between lead and lead, insulated from each other between the conductive film layer of lead and liquid crystal panel, can operate as normal get final product.
The technical scheme of the utility model liquid crystal panel, resolution requirement according to aerial array, if the lead of aerial array can corresponding be arranged in the regional extent of black matrix, then aerial array is not limited to adopt transparent material to make, as long as adopt conductive material, the aerial array that is hidden in the black matrix scope can not cause obvious influence to the transmitted light of liquid crystal panel.
The 4th embodiment
The side-looking structural representation of polaroid in the liquid crystal panel that Fig. 9 is provided for the utility model the 4th embodiment.Present embodiment can the foregoing description be the basis, is that specifically touch input structure is a resistive touch screen structure, and it specifically comprises first conductive layer 81, second conductive layer 82 and many detection lines 83.Wherein, first conductive layer 81 is by transparent conductive material, and for example ITO makes, and is formed on the upper polarizer 30 of color membrane substrates one side.Second conductive layer 82 is made by transparent conductive material, be formed on the transparent elastic substrate 84, and second conductive layer 82 is provided with towards first conductive layer 81.Be provided with stilt 85 between first conductive layer 81 and second conductive layer 82, for example the spherical particle thing makes between first conductive layer 81 and second conductive layer 82 to keep certain intervals, and can be in contact with one another when second conductive layer 82 is touched by distortion.Many detection line 83 is connected on first conductive layer 81 and second conductive layer 82, is used for input offset voltage, and receives the detection magnitude of voltage that changes according to touch signal.Resistive touch screen structure can have various ways, for example four-wire type, five-line, seven line formulas and eight line formulas etc.
The synoptic diagram of four-wire resistance type touch screen structure in the liquid crystal panel that Figure 10 is provided for the utility model the 4th embodiment.In the four-wire resistance type touch screen structure, detection line comprises two first direction buss 831 and two second direction buss 832; First direction bus 831 is laid on first conductive layer 81, and is respectively adjacent to the edge of first conductive layer, 81 dual-sides; Second direction bus 832 is laid on second conductive layer 82, and is respectively adjacent to the edge of second conductive layer, 82 dual-sides; First direction bus 831 and second direction bus 832 are used for alternately input offset voltage and alternately reception detection magnitude of voltage.For example, article two, first direction bus 831 can be imported a high-voltage value and a low voltage value respectively as bias voltage, this moment is if first conductive layer 81 and second conductive layer 82 touch, then be equivalent to the high-voltage value and the low voltage value of first conductive layer 81 are carried out dividing potential drop, can receive partial pressure value by second direction bus 832, partial pressure value is the detection magnitude of voltage.Because the resistance value on first conductive layer 81 is directly proportional with distance, touch the some position on first direction so can calculate according to the size of detection magnitude of voltage.Then replace, on second direction bus 832, import high-voltage value and low voltage value respectively, similarly can calculate and touch the some position on second direction, thereby calculate the coordinate that touches a little.
For eight wire resistance type touch screen structures, with the difference of four-wire type for comprising four first direction buss and four second direction buss, be respectively adjacent to four side edge settings of first conductive layer and second conductive layer.
The synoptic diagram of five wire resistance type touch screen structures in the liquid crystal panel that Figure 11 is provided for the utility model the 4th embodiment.In the five wire resistance type touch screen structures, detection line comprises a voltage detecting line 834, also comprise four voltage input lines 833, voltage input line 833 all is connected on first conductive layer 81, and be respectively adjacent to four jiaos of settings of first conductive layer 81 of rectangle, voltage detecting line 834 is connected on second conductive layer 82.Voltage input line 833 is used for alternately input offset voltage, and second conductive layer 82 is used for receiving the detection magnitude of voltage.It realizes that principle specifically can be at first to import a high-voltage value in the upper left corner and the lower left corner, import a low voltage value in the upper right corner and the lower right corner, be similar to above-mentioned voltage divider principle, can receive from second conductive layer 82 when touching and detect magnitude of voltage and calculate and touch the some position on first direction.Switch to subsequently in the upper left corner and the upper right corner and import a high-voltage value, import a low voltage value, touch the some position on second direction thereby can calculate in the lower left corner and the lower right corner.
For seven wire resistance type touch screen structures, with the difference of five-line for comprising six roots of sensation voltage input line, be connected on the diagonal angle of first conductive layer.With reference to the working method of above-mentioned five-line, there is the input voltage value on a pair of diagonal angle to change in switching, promptly can on this diagonal angle, set up voltage input line, switch thereby needn't carry out circuit.
The 5th embodiment
The side-looking structural representation of polaroid in the liquid crystal panel that Figure 12 is provided for the utility model the 5th embodiment.Present embodiment can the foregoing description be the basis, is that specifically touch input structure is the capacitive touch screen structure, and it specifically comprises first working lining 86, separation layer 87 and second working lining 88.First working lining 86 by transparent conductive material for example ITO make, be formed on the upper polarizer 30, and four jiaos of first working lining 86 of rectangle are connected with electrode wires 89 respectively, input has high-frequency current.Separation layer 87 is made by insulating material, and for example glass covers on first working lining 86; Second working lining 88 is made by transparent conductive material, is formed on the separation layer 87.When finger touch was on second working lining 88, because people's bulk electric field, user and touch screen surface formed a coupling capacitance, and for high-frequency current, electric capacity is direct conductor, so finger siphons away a very little electric current from contact point.This electric current divides the electrode wires 89 from four jiaos of touch-screens and flows out, and the electric current of these four electrode wires 89 of flowing through is directly proportional with the distance of pointing four jiaos, by the accurate Calculation to these four current ratios, can draw touch point position.
The 6th embodiment
The LCD that the utility model the 6th embodiment is provided comprises the liquid crystal panel of the arbitrary embodiment of the utility model, also comprises framework and control device.Liquid crystal panel is formed box by first substrate and second substrate, is filled with liquid crystal layer therebetween.Liquid crystal panel is embedded among the framework, can also be provided with other accessories such as module backlight, integrated circuit in the framework.Touch input structure and electromagnetic type aerial array all are connected on the control device, be used for to control device transmission touch signal and electromagnetic signal, control device is used to discern touch signal and the electromagnetic signal that receives, the result transmission of identification can be given the control system of LCD simultaneously, on liquid crystal panel, present the corresponding image or the page.
The structural representation of control device in the LCD that Figure 13 is provided for the utility model the 6th embodiment.Control device specifically can comprise touch recognition module 101, electromagnetism identification module 102 and switch module 103.Touch recognition module 101 links to each other with touch input structure, is specifically as follows the joint detection line, is used to receive and identify touch signal; Electromagnetism identification module 102 links to each other with aerial array, is used to receive and identify electromagnetic signal; Switch module 103 links to each other respectively with touch recognition module 101 with aerial array, is used for closing touch recognition module 101 when receiving electromagnetic signal or disconnects being connected between touch input structure and the touch recognition module 101.
Adopt such scheme, when control device can detect the electromagnetic signal that electromagnetic pen sends, then do not start the touch recognition module and remove to receive the identification touch signal, and when there being the electromagnetic signal input time just not discern touch signal, other article touches maloperation in the time of can avoiding the conflict of two kinds of input modes and use electromagnetic pen.
LCD of the present utility model possesses the function of touch handwriting input and electromagnetic induction identification handwriting input, has enriched user's input mode.And because aerial array and touch input structure are integrated in polaroid and the liquid crystal panel,, satisfy lightening requirement, can reduce assembly cost so increase the thickness of LCD hardly.In addition, integrated touch formula input structure and aerial array can also improve the precision and the reliability of identification in the LCD.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (13)
1. a liquid crystal panel comprises first substrate and second substrate that box is provided with, is filled with liquid crystal layer therebetween; Described first substrate and second substrate comprise first underlay substrate and second underlay substrate respectively and go up the multiple film layer structure that forms; The side that described first substrate deviates from described second substrate polaroid that has been sticked is characterized in that described liquid crystal panel also comprises:
Touch input structure is sticked and deviates from the outer surface of described first substrate at described polaroid, is used to discern touch signal;
The electromagnetic type aerial array, at least comprise first direction lead and second direction lead, described first direction lead and described second direction lead are made by conductive material respectively, be formed on the arbitrary rete between described first underlay substrate and second underlay substrate, keep insulation with the conductive material in the described multiple film layer structure, described aerial array is used to discern electromagnetic signal.
2. liquid crystal panel according to claim 1 is characterized in that: described touch input structure is resistive touch screen structure or capacitive touch screen structure.
3. liquid crystal panel according to claim 2 is characterized in that, described resistive touch screen structure comprises:
First conductive layer is made by transparent conductive material, is formed on the described polaroid;
Second conductive layer is made by transparent conductive material, is formed on the transparent elastic substrate, towards the described first conductive layer setting, and is provided with stilt between described first conductive layer and second conductive layer;
Many detection lines are connected on described first conductive layer and described second conductive layer, are used for input offset voltage, and receive the detection magnitude of voltage that changes according to described touch signal.
4. liquid crystal panel according to claim 3 is characterized in that:
Described detection line comprises two or four first direction buss, and comprises two or four second direction buss accordingly;
Described first direction bus is laid on described first conductive layer, and is respectively adjacent to the edge of the described first conductive layer side;
Described second direction bus is laid on described second conductive layer, and is respectively adjacent to the edge of the described second conductive layer side;
Described first direction bus and second direction bus are used for alternately input offset voltage and alternately reception detection magnitude of voltage.
5. liquid crystal panel according to claim 3 is characterized in that:
Described detection line comprises a voltage detecting line, also comprise four or six roots of sensation voltage input line, described voltage input line all is connected on described first conductive layer, and is respectively adjacent to four jiaos of settings of described first conductive layer of rectangle, and described voltage detecting line is connected on described second conductive layer;
Described voltage input line is used for alternately input offset voltage, and described second conductive layer is used for receiving the detection magnitude of voltage.
6. liquid crystal panel according to claim 2 is characterized in that, described capacitive touch screen structure comprises:
First working lining is made by transparent conductive material, be formed on the described polaroid, and four jiaos of described first working lining of rectangle is connected with electrode wires respectively;
Separation layer is made by insulating material, covers on described first working lining;
Second working lining is made by transparent conductive material, is formed on the described separation layer.
7. liquid crystal panel according to claim 1 is characterized in that:
Multiple film layer structure on described first substrate begins from contiguous described first underlay substrate, one side, comprises color resin and black matrix layer, first protective seam, common electrode layer and the first orientation rete successively;
Multiple film layer structure on described second substrate begins from contiguous described second underlay substrate, one side, comprises that successively film crystal drives array rete, second protective seam and the second orientation rete.
8. according to claim 1 or 7 described liquid crystal panels, it is characterized in that:
Described first direction lead and second direction lead are respectively formed between the underlay substrate or rete of two insulating material in the described liquid crystal panel.
9. according to claim 1 or 7 described liquid crystal panels, it is characterized in that:
Described first direction lead and second direction lead are formed between the underlay substrate or rete of two insulating material in the described liquid crystal panel, and are formed with interior spacer insulator layer between described first direction lead and the second direction lead.
10. according to claim 1 or 7 described liquid crystal panels, it is characterized in that:
The adjacent setting of rete of conductive material in described first direction lead and/or described second direction lead and the described liquid crystal panel, and and the rete of adjacent conductive material between be formed with outer spacer insulator layer.
11., it is characterized in that according to claim 1 or 7 described liquid crystal panels:
The material of described aerial array is a transparent conductive material.
12. a LCD that comprises the arbitrary described liquid crystal panel of claim 1～11 also comprises framework and control device, it is characterized in that: described liquid crystal panel is embedded among framework; Described touch input structure and electromagnetic type aerial array all are connected on the described control device, are used to transmit touch signal and electromagnetic signal is discerned.
13. LCD according to claim 12 is characterized in that, described control device comprises:
The touch recognition module links to each other with described touch input structure, is used to receive and identify described touch signal;
The electromagnetism identification module links to each other with described aerial array, is used to receive and identify described electromagnetic signal;
Switch module links to each other respectively with described touch recognition module with described aerial array, is used for closing described touch recognition module when receiving electromagnetic signal or disconnects being connected between described touch input structure and the described touch recognition module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009201093258U CN201438247U (en) | 2009-06-19 | 2009-06-19 | Liquid crystal panel and liquid crystal monitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201093258U CN201438247U (en) | 2009-06-19 | 2009-06-19 | Liquid crystal panel and liquid crystal monitor |
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| CN201438247U true CN201438247U (en) | 2010-04-14 |
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| CN2009201093258U Expired - Lifetime CN201438247U (en) | 2009-06-19 | 2009-06-19 | Liquid crystal panel and liquid crystal monitor |
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