CN102736287A - Touch-control display device - Google Patents
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- CN102736287A CN102736287A CN2011100817517A CN201110081751A CN102736287A CN 102736287 A CN102736287 A CN 102736287A CN 2011100817517 A CN2011100817517 A CN 2011100817517A CN 201110081751 A CN201110081751 A CN 201110081751A CN 102736287 A CN102736287 A CN 102736287A
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Abstract
The invention discloses a touch-control display device comprising a backlight device and a first polarizing film arranged thereon; a controlling unit arranged on the first polarizing film; a liquid crystal layer arranged on the controlling unit; a first transparent conducting layer arranged on the liquid crystal layer; a spacing layer arranged on the first transparent conducting layer; a second transparent conducting layer arranged on the spacing layer; and a second polarizing film arranged on the second transparent conducting layer. The touch-control display device integrates a field sequential color (field sequential color, FSC in short) liquid crystal display device and a touch control sensing device, wherein the FSC liquid crystal display device colorizes the display through the sequential color without using a color filter, so thickness and weight of the products are reduced. In addition, the touch-control display device can improve brightness of the products by using the field sequential color technology.
Description
Technical field
The present invention relates to a kind of LCD, particularly relate to a kind of touch control display apparatus.
Background technology
Because contact panel can be applicable on the portable product and has advantage user-friendly for operation; And help to be widely used in various electronic product; Include personal digital assistant (personal digital assistant; PDA), palmtop computer (palm sized PC), mobile phone, hand input device, information household appliances (Information appliance), automatic financial machine (automated teller machine; ATM) and storefront sell automatic teller machine (point of sale, POS) etc.Portable communication and consumption electronic products quantity increase day by day, and this series products will use contact panel as its input media in a large number, therefore have many dealers to drop into the technical development relevant with contact panel in recent years.
Fig. 1 shows that one has the LCD of touch controllable function, and it from bottom to top comprises a circuit board 102, back lighting device 104, first light polarizing film 106, first glass 108, thin film transistor (TFT) 110, liquid crystal layer 112, the 3rd transparency conducting layer 114, chromatic filter layer 116, second glass 118, second transparency conducting layer 120, insulation course 122, first transparency conducting layer 124, second light polarizing film 126 and cover plate 128 in regular turn.Comprise that the sensing apparatus of first transparency conducting layer 124, insulation course 122 and second transparency conducting layer 120 carries out touch-control though the LCD of this kind touch technology is capable of using; Yet this kind contact panel is applied in the space that thickness and weight on portable communication and the consumption electronic products still have further improvement.
Summary of the invention
For overcoming the defective of prior art, one embodiment of the invention discloses a kind of touch control display apparatus, comprises a back lighting device; One first light polarizing film is arranged on the back lighting device; One control element is arranged on first light polarizing film; One liquid crystal layer is arranged on the control element; One first transparency conducting layer is arranged on the liquid crystal layer; One wall is arranged on first transparency conducting layer; One second transparency conducting layer is arranged on the wall; And one second light polarizing film, be arranged on second transparency conducting layer.
Another embodiment of the present invention discloses a kind of touch control display apparatus, comprises a back lighting device; One first light polarizing film is arranged on the back lighting device; One control element is arranged on first light polarizing film; One liquid crystal layer is arranged on the control element; One wall is arranged at the liquid crystal layer top; One first transparency conducting layer and an insulation course are arranged on the wall, and wherein insulation course comprises the list structure that extends along a first direction, and first transparency conducting layer comprises the strip shaped electric poles that extends along a second direction; One articulamentum is arranged on insulation course, connects the strip shaped electric poles of insulation course both sides; One second transparency conducting layer is arranged between wall and liquid crystal layer; And one second light polarizing film, be arranged on first transparency conducting layer.
The LCD that the present invention has contactor control device has the following advantages: 1. the present invention is with regional sequence color (field sequential color; Be called for short FSC) liquid crystal indicator and touch sensing device integration; Wherein the FSC liquid crystal indicator is to make display colorization through the sequence color; Need not use colored filter, so can reduce thickness of product and weight.2. the present invention can promote product brightness owing to use the technology of regional sequence color.
For letting the characteristic of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and conjunction with figs., elaborates as follows.
Description of drawings
Fig. 1 shows that one has the LCD of touch controllable function.
Fig. 2 shows the synoptic diagram of one embodiment of the invention regional sequence color (FSC) liquid crystal indicator.
Fig. 3 shows the configuration of embodiment of the invention back lighting device and thin film transistor (TFT) array.
Fig. 4 shows that first embodiment of the invention has the sectional view of the LCD of contactor control device.
Fig. 5 shows that second embodiment of the invention has the sectional view of the LCD of contactor control device.
Fig. 6 shows that third embodiment of the invention has the sectional view of the LCD of contactor control device.
Fig. 7 shows that fourth embodiment of the invention has the sectional view of the LCD of contactor control device.
Fig. 8 shows that fifth embodiment of the invention has the sectional view of the LCD of contactor control device.
Fig. 9 shows that sixth embodiment of the invention has the sectional view of the LCD of contactor control device.
Figure 10 shows that seventh embodiment of the invention has the sectional view of the LCD of contactor control device.
Figure 11 shows that eighth embodiment of the invention has the sectional view of the LCD of contactor control device.
[main description of reference numerals]
102～circuit board; 104～back lighting device;
106～the first light polarizing film; 108～the first glass;
110～thin film transistor (TFT); 112～liquid crystal layer;
114～the 3rd transparency conducting layers; 116～chromatic filter layer;
118～the second glass; 120～the second transparency conducting layers;
122～insulation course; 124～the first transparency conducting layers;
126～the second light polarizing film; 128～cover plate;
202～LCD; 204～source electrode driven integrated circuit;
206～grid-driving integrated circuit;
208～time schedule controller; 210～storer;
212～red light emitting diodes; 214～green LED;
216～blue LED; 302～red light emitting diodes;
304～green LED; 306～blue LED;
308～LGP; 402～back lighting device;
404～the first light polarizing film; 406～control element;
408～liquid crystal layer; 410～the first transparency conducting layers;
412～wall; 414～the second transparency conducting layers;
416～the second light polarizing film; 502～back lighting device;
504～the first light polarizing film; 506～control element;
508～liquid crystal layer; 510～the first transparency conducting layers;
512～wall; 514～the second transparency conducting layers;
516～ink lay; 518～optical cement;
520～the second light polarizing film; 602～back lighting device;
604～the first light polarizing film; 606～control element;
608～liquid crystal layer; 610～the first transparency conducting layers;
612～wall; 614～the second transparency conducting layers;
616～the second light polarizing film; 618～optical cement;
620～ink lay; 622～cap rock;
702～back lighting device; 704～the first light polarizing film;
706～control element; 708～liquid crystal layer;
710～the second transparency conducting layers; 711～wall;
712～the first transparency conducting layers; 714～insulation course;
716～articulamentum; 718～the second light polarizing film;
802～back lighting device; 804～the first light polarizing film;
806～control element; 808～liquid crystal layer;
810～the first transparency conducting layers; 812～wall;
814～the second transparency conducting layers; 816～optical cement;
818～ink lay; 820～the second light polarizing film;
822～metal carbonyl conducting layer; 902～back lighting device;
904～the first light polarizing film; 906～control element;
908～liquid crystal layer; 910～metal carbonyl conducting layer;
912～the first transparency conducting layers; 914～wall;
916～the second transparency conducting layers; 918～optical cement;
920～ink lay; 1002～back lighting device;
1004～the first light polarizing film; 1006～control element;
1008～liquid crystal layer; 1010～the first transparency conducting layers;
1012～wall; 1014～the second transparency conducting layers;
1016～the 3rd transparency conducting layers; 1018～insulation course;
1020～the second light polarizing film; 1102～back lighting device;
1104～the first light polarizing film; 1106～control element;
1108～liquid crystal layer; 1110～the 3rd transparency conducting layers;
1112～insulation course; 1114～the first transparency conducting layers;
1116～the second transparency conducting layers; 1118～wall;
1120～metal carbonyl conducting layer; 1122～the second light polarizing film;
1124～optical cement; 1126～ink lay;
1128～cap rock.
Embodiment
Below go through the enforcement of disclosed embodiment.Yet, it is understandable that embodiment provides many applicable inventive concepts, the variation that it can be wider is implemented.The specific embodiment of being discussed only is used for the ad hoc approach of public use embodiment, and is not used for limiting disclosed category.
The present invention is with regional sequence color (field sequential color; Be called for short FSC) liquid crystal indicator and touch sensing device integration, wherein the FSC liquid crystal indicator makes display colorization through the sequence color, need not use colored filter; So can reach the purpose of product attenuate light weight; In addition, the present invention can promote product brightness owing to use the technology of regional sequence color.
Fig. 2 shows the synoptic diagram of one embodiment of the invention regional sequence color (FSC) liquid crystal indicator; Please with reference to Fig. 1; One LCD 202; The gate line and the data line (not shown) that comprise a plurality of intersections and are arranged on the thin film transistor (TFT) (not shown) that gate line and data line infall are used to drive liquid crystal; One source pole drive integrated circult (IC) 204 is used to produce the drive signal of the data line of driving liquid crystal panel; One grid-driving integrated circuit (IC) 206 is used to produce the drive signal of the gate line of driving liquid crystal panel; With time schedule controller 208, be used to produce the drive signal of driving grid drive integrated circult (IC), and produce be used to drive source electrode driven integrated circuit (IC) be written into signal and data-signal.One storer 210 is used for storage and reads signal data.In addition, the device of above-mentioned FSC type comprises that also the array by red light emitting diodes (light emitting diode is called for short LED) 212, green LED 214 and blue LED 216 comes as back lighting device.Below cooperate Fig. 3 more to describe the configuration of embodiment of the invention back lighting device and thin film transistor (TFT) array in detail.Please with reference to Fig. 3; The back lighting device of present embodiment FSC type comprises by the array of red light emitting diodes 302, green LED 304 and blue LED 306 and LGP 308; In order to carry out the demonstration of regional sequence color; The unit 310 of thin film transistor (TFT) control in the corresponding thin film transistor (TFT) of one color time pixel (thin film transistor the is called for short TFT) array.The back lighting device of following examples of the present invention can use this back lighting device.
Below cooperate Fig. 4 to describe the LCD that first embodiment of the invention has contactor control device.Present embodiment is that the contactor control device and the FSC LCD of double-deck nesa coating (double side ITO is called for short DITO) are integrated.Please with reference to Fig. 4, a back lighting device 402 is provided, this back lighting device 402 can be the back lighting device that comprises light emitting diode matrix shown in Figure 3.One first light polarizing film 404 is arranged on the back lighting device 402.One control element 406 is arranged on first light polarizing film 404.In an embodiment of the present invention, control element 406 is thin film transistor (TFT) (TFT).One liquid crystal layer 408 is arranged on the control element 406.In an embodiment of the present invention, have enough reaction velocitys in order to make liquid crystal layer 408, can reach the demand of FSC LCD, liquid crystal layer 408 is preferable with optical compensation curved (optically compensated bend is called for short OCB) liquid crystal.One first transparency conducting layer 410 is arranged on the liquid crystal layer 408.In an embodiment of the present invention, first transparency conducting layer 410 comprises the strip shaped electric poles that extends along a direction (for example x direction), and first transparency conducting layer 410 for example is indium tin oxide (ITO) or indium-zinc oxide (IZO).One second transparency conducting layer 414 is arranged at first transparency conducting layer, 410 tops, and 410 folders of first transparency conducting layer are established a wall 412.Second transparency conducting layer 414 comprises that strip shaped electric poles second transparency conducting layer 414 that extends along a direction (for example y direction) for example is indium tin oxide (ITO) or indium-zinc oxide (IZO), and wall 412 is for example formed for glass.One second light polarizing film 416 is arranged on second transparency conducting layer 414.Present embodiment first transparency conducting layer 410, wall 412 and second transparency conducting layer 414 make the present embodiment LCD can carry out touch control operation as a touch-control sensor (sensor).It should be noted that the shared transparency conducting layer of present embodiment FSC LCD and contactor control device (that is first transparency conducting layer 410), to reach the purpose of saving processing procedure and cost.
Below cooperate Fig. 5 to describe the LCD that second embodiment of the invention has contactor control device.Present embodiment is with double-deck nesa coating (double side ITO; Abbreviation DITO) contactor control device and FSC LCD are integrated, and itself and the first embodiment LCD do not exist together between second transparency conducting layer and second light polarizing film, adding ink lay and optical cement.Please with reference to Fig. 5, a back lighting device 502 is provided, this back lighting device 502 can be the back lighting device that comprises light emitting diode matrix shown in Figure 3.One first light polarizing film 504 is arranged on the back lighting device 502.One control element 506 is arranged on first light polarizing film 504, and in an embodiment of the present invention, control element 506 is thin film transistor (TFT) (TFT).One liquid crystal layer 508 is arranged on the control element 506, in an embodiment of the present invention, has enough reaction velocitys in order to make liquid crystal layer 508, can reach the demand of FSC LCD, and liquid crystal layer 508 is preferable with optical compensation curved (OCB) liquid crystal.One first transparency conducting layer 510 is arranged on the liquid crystal layer 508.In an embodiment of the present invention, first transparency conducting layer 510 comprises the strip shaped electric poles that extends along a direction (for example x direction), and first transparency conducting layer 510 for example is indium tin oxide (ITO) or indium-zinc oxide (IZO).In one embodiment of the invention, 508 of first transparency conducting layer 510 and liquid crystal layers are provided with a black light shield layer (black matrix), so that the pixel definition sharpening.One second transparency conducting layer 514 is arranged at first transparency conducting layer, 510 tops, and 510 folders of first transparency conducting layer are established a wall 512.Second transparency conducting layer 514 comprises that strip shaped electric poles second transparency conducting layer 514 that extends along a direction (for example y direction) for example is indium tin oxide (ITO) or indium-zinc oxide (IZO), and wall 512 is for example formed for glass.One second light polarizing film 520 is arranged on second transparency conducting layer 514.Present embodiment first transparency conducting layer 510, wall 512 and second transparency conducting layer 514 make the present embodiment LCD can carry out touch control operation as a touch-control sensor (sensor).An ink lay 516 and an optical cement 518 are arranged at 520 of second transparency conducting layer 514 and second light polarizing film, and wherein ink lay 516 is in order to block the peripheral circuit of non-display area.
Below cooperate Fig. 6 to describe the LCD that third embodiment of the invention has contactor control device.Present embodiment is that the contactor control device of double-deck nesa coating (DITO) and FSC LCD are integrated, and itself and the first embodiment LCD do not exist together on second light polarizing film, adding a cap rock (cover).Please with reference to Fig. 6, a back lighting device 602 is provided, this back lighting device 602 can be the back lighting device that comprises light emitting diode matrix shown in Figure 3.One first light polarizing film 604 is arranged on the back lighting device 602.One control element 606 is arranged on first light polarizing film 604, and in an embodiment of the present invention, control element 606 is thin film transistor (TFT) (TFT).One liquid crystal layer 608 is arranged on the control element 606, in an embodiment of the present invention, has enough reaction velocitys in order to make liquid crystal layer 608, can reach the demand of FSC LCD, and liquid crystal layer 608 is preferable with optical compensation curved (OCB) liquid crystal.One first transparency conducting layer 610 is arranged on the liquid crystal layer 608.In an embodiment of the present invention, first transparency conducting layer 610 comprises the strip shaped electric poles that extends along a direction (for example x direction), and first transparency conducting layer 610 for example is indium tin oxide (ITO) or indium-zinc oxide (IZO).One second transparency conducting layer 614 is arranged at first transparency conducting layer, 610 tops, and 610 folders of first transparency conducting layer are established a wall 612.Second transparency conducting layer 614 comprises that strip shaped electric poles second transparency conducting layer 614 that extends along a direction (for example y direction) for example is indium tin oxide (ITO) or indium-zinc oxide (IZO), and wall 612 is for example formed for glass.One second light polarizing film 616 is arranged on second transparency conducting layer 614.Present embodiment first transparency conducting layer 610, wall 612 and second transparency conducting layer 614 make the present embodiment LCD can carry out touch control operation as a touch-control sensor (sensor).One cap rock 622 is arranged at second light polarizing film, 616 tops, and wherein cap rock 622 can be glass, polymethylmethacrylate (polymethylmethacrylate is called for short PMMA) or transparent membrane.One ink lay 620 and an optical cement 618 are arranged at 616 of cap rock 622 and second light polarizing film, and wherein ink lay 620 is in order to block the peripheral circuit of non-display area.
Below cooperate Fig. 7 to describe the LCD that fourth embodiment of the invention has contactor control device.With the first embodiment LCD do not exist together for present embodiment be contactor control device and the integration of FSC LCD with single-layer and transparent conducting film (single side ITO, be called for short SITO).Please with reference to Fig. 7, a back lighting device 702 is provided, this back lighting device 702 can be the back lighting device that comprises light emitting diode matrix shown in Figure 3.One first light polarizing film 704 is arranged on the back lighting device 702.One control element 706 is arranged on first light polarizing film 704, and in an embodiment of the present invention, control element 706 is thin film transistor (TFT) (TFT).One liquid crystal layer 708 is arranged on the control element 706, in an embodiment of the present invention, has enough reaction velocitys in order to make liquid crystal layer 708, can reach the demand of FSC LCD, and liquid crystal layer 708 is preferable with optical compensation curved (OCB) liquid crystal.One second transparency conducting layer 710 is arranged on the liquid crystal layer 708, and second transparency conducting layer 710 for example is indium tin oxide (ITO) or indium-zinc oxide (IZO).One wall 711 is arranged on second transparency conducting layer 710, and wall 711 is for example formed for glass.One first transparency conducting layer 712 and an insulation course 714 are arranged on the wall 711.Insulation course 714 comprises the list structure that extends along a direction (for example y direction), and first transparency conducting layer 712 comprises the strip shaped electric poles that extends along a direction (for example x direction).That is first transparency conducting layer 712 is orthogonal with the direction that insulation course 714 extends.First transparency conducting layer 712 for example is indium tin oxide (ITO) or indium-zinc oxide (IZO), and insulation course 714 for example by epoxy resin (Epoxy) is or macromolecular material such as acryl resin system is formed.One articulamentum 716 is arranged on the insulation course 714, connects first transparency conducting layer 712 of insulation course 714 both sides, and articulamentum 716 is for example formed for the metal with high perveance, for example the material of molybdenum aluminium molybdenum three level stack.One second light polarizing film 718 is arranged on second transparency conducting layer 710.Present embodiment first transparency conducting layer 712, insulation course 714 and articulamentum 716 make the present embodiment LCD can carry out touch control operation as a touch-control sensor (sensor).
Below cooperate Fig. 8 to describe the LCD that fifth embodiment of the invention has contactor control device.Present embodiment is that the contactor control device of double-deck nesa coating (DITO) and FSC LCD are integrated, and itself and the second embodiment LCD do not exist together between second transparency conducting layer and ink lay, adding a plain conductor (metal trace) layer.Please with reference to Fig. 8, a back lighting device 802 is provided, this back lighting device 802 can be the back lighting device 802 that comprises light emitting diode matrix shown in Figure 3.One first light polarizing film 804 is arranged on the back lighting device 802.One control element 806 is arranged on first light polarizing film 804, and in an embodiment of the present invention, control element 806 is thin film transistor (TFT) (TFT).One liquid crystal layer 808 is arranged on the control element 806, in an embodiment of the present invention, has enough reaction velocitys in order to make liquid crystal layer 808, can reach the demand of FSC LCD, and liquid crystal layer 808 is preferable with optical compensation curved (OCB) liquid crystal.One first transparency conducting layer 810 is arranged on the liquid crystal layer 808.In an embodiment of the present invention, first transparency conducting layer 810 comprises the strip shaped electric poles that extends along a direction (for example x direction), and first transparency conducting layer 810 for example is indium tin oxide (ITO) or indium-zinc oxide (IZO).One second transparency conducting layer 814 is arranged at first transparency conducting layer, 810 tops, and 810 folders of first transparency conducting layer are established a wall 812.Second transparency conducting layer 814 comprises that strip shaped electric poles second transparency conducting layer 814 that extends along a direction (for example y direction) for example is indium tin oxide (ITO) or indium-zinc oxide (IZO), and wall 812 is for example formed for glass.One second light polarizing film 820 is arranged at second transparency conducting layer, 814 tops.Present embodiment first transparency conducting layer 810, wall 812 and second transparency conducting layer 814 make the present embodiment LCD can carry out touch control operation as a touch-control sensor (sensor).One ink lay 818 and an optical cement 816 are arranged at 814 of second light polarizing film 820 and second transparency conducting layers, and wherein ink lay 818 is in order to block the peripheral circuit of non-display area.One plain conductor (metal trace) layer 822 is arranged at 818 of second transparency conducting layer 814 and ink laies; Because the resistance of transparent conductive material (that is indium tin oxide ITO or indium-zinc oxide IZO) is higher, metal carbonyl conducting layer 822 can provide non-visible area scope to connect the IC driver.In another embodiment of the present invention, can between second transparency conducting layer and ink lay, add one first plain conductor (metal trace) layer, and between second transparency conducting layer and ink lay, add one second metal carbonyl conducting layer.
Below cooperate Fig. 9 to describe the LCD that sixth embodiment of the invention has contactor control device.Present embodiment is that the contactor control device of double-deck nesa coating (DITO) and FSC LCD are integrated, and itself and the 5th embodiment LCD do not exist together for the present embodiment metal carbonyl conducting layer is arranged at first transparency conducting layer below, in order to signal conduction.Please with reference to Fig. 9, a back lighting device 902 is provided, this back lighting device 902 can be the back lighting device that comprises light emitting diode matrix shown in Figure 3.One first light polarizing film 904 is arranged on the back lighting device 902.One control element 906 is arranged on first light polarizing film 904, and in an embodiment of the present invention, control element 906 is thin film transistor (TFT) (TFT).One liquid crystal layer 908 is arranged on the control element 906, in an embodiment of the present invention, has enough reaction velocitys in order to make liquid crystal layer 908, can reach the demand of FSC LCD, and liquid crystal layer 908 is preferable with optical compensation curved (OCB) liquid crystal.One first transparency conducting layer 912 is arranged on the liquid crystal layer 908.In an embodiment of the present invention, first transparency conducting layer 912 comprises the strip shaped electric poles that extends along a direction (for example x direction), and first transparency conducting layer 912 for example is indium tin oxide (ITO) or indium-zinc oxide (IZO).One second transparency conducting layer 916 is arranged at first transparency conducting layer, 912 tops, and 912 folders of first transparency conducting layer are established a wall 914.Second transparency conducting layer 916 comprises that strip shaped electric poles second transparency conducting layer 916 that extends along a direction (for example y direction) for example is indium tin oxide (ITO) or indium-zinc oxide (IZO), and wall 914 is for example formed for glass.One second light polarizing film 922 is arranged on second transparency conducting layer 916.Present embodiment first transparency conducting layer 912, wall 914 and second transparency conducting layer 916 make the present embodiment LCD can carry out touch control operation as a touch-control sensor (sensor).One ink lay 920 and an optical cement 918 are arranged at 916 of second light polarizing film 922 and second transparency conducting layers, and wherein ink lay 920 is in order to block the peripheral circuit of non-display area.One plain conductor (metal trace) layer 910 is arranged at first transparency conducting layer, 912 belows.Same, because the resistance of transparent conductive material (that is indium tin oxide ITO or indium-zinc oxide IZO) is higher, metal carbonyl conducting layer 910 can provide non-visible area scope to connect the IC driver.
Below cooperate Figure 10 to describe the LCD that seventh embodiment of the invention has contactor control device.Present embodiment is that the contactor control device of double-deck nesa coating (DITO) and FSC LCD are integrated, and itself and the first embodiment LCD do not exist together and below second transparency conducting layer, add an insulation course and a transparency conducting layer again for present embodiment.Please with reference to Figure 10, a back lighting device 1002 is provided, this back lighting device 1002 can be the back lighting device that comprises light emitting diode matrix shown in Figure 3.One first light polarizing film 1004 is arranged on the back lighting device 1002.One control element 1006 is arranged on first light polarizing film 1004, and in an embodiment of the present invention, control element 1006 is thin film transistor (TFT) (TFT).One liquid crystal layer 1008 is arranged on the control element 1006, in an embodiment of the present invention, has enough reaction velocitys in order to make liquid crystal layer 1008, can reach the demand of FSC LCD, and liquid crystal layer 1008 is preferable with optical compensation curved (OCB) liquid crystal.One first transparency conducting layer 1010 is arranged at liquid crystal layer 1008 tops.In an embodiment of the present invention, first transparency conducting layer 1010 comprises the strip shaped electric poles that extends along a direction (for example x direction), and first transparency conducting layer 1010 for example is indium tin oxide (ITO) or indium-zinc oxide (IZO).One second transparency conducting layer 1014 is arranged at first transparency conducting layer, 1010 tops; And 1010 folders of first transparency conducting layer are established a wall 1012; Second transparency conducting layer 1014 comprises that strip shaped electric poles second transparency conducting layer 1014 that extends along a direction (for example y direction) for example is indium tin oxide (ITO) or indium-zinc oxide (IZO), and wall 1012 is for example formed for glass.1008 of first transparency conducting layer 1010 and liquid crystal layers are provided with one the 3rd transparency conducting layer 1016 and an insulation course 1018.One second light polarizing film 1020 is arranged on second transparency conducting layer 1014.Present embodiment first transparency conducting layer 1010, wall 1012 and second transparency conducting layer 1014 make the present embodiment LCD can carry out touch control operation as a touch-control sensor (sensor).It should be noted that; Present embodiment FSC LCD uses different patterned transparent conductive layer with contactor control device, and (for example the FSC LCD uses the 3rd transparency conducting layer 1016; Contactor control device uses first transparency conducting layer 1010); To increase the performance of whole display device, reduce the thin film transistor (TFT) end signal and disturb.
Below cooperate Figure 11 to describe the LCD that eighth embodiment of the invention has contactor control device.Present embodiment is that the contactor control device of double-deck nesa coating (DITO) and FSC LCD are integrated, and integrates with the 3rd, five and seven embodiment LCDs, to obtain the device of higher reliability.Please with reference to Figure 11, a back lighting device 1102 is provided, this back lighting device 1102 can be the back lighting device that comprises light emitting diode matrix shown in Figure 3.One first light polarizing film 1104 is arranged on the back lighting device 1102.One control element 1106 is arranged on first light polarizing film 1104, and in an embodiment of the present invention, control element 1106 is thin film transistor (TFT) (TFT).One liquid crystal layer 1108 is arranged on the control element 1106, in an embodiment of the present invention, has enough reaction velocitys in order to make liquid crystal layer 1108, can reach the demand of FSC LCD, and liquid crystal layer 1108 is preferable with optical compensation curved (OCB) liquid crystal.One first transparency conducting layer 1114 is arranged at liquid crystal layer 1108 tops.In an embodiment of the present invention, first transparency conducting layer 1114 comprises the strip shaped electric poles that extends along a direction (for example x direction), and first transparency conducting layer 1114 for example is indium tin oxide (ITO) or indium-zinc oxide (IZO).One second transparency conducting layer 1116 is arranged at first transparency conducting layer, 1114 tops; And 1114 folders of first transparency conducting layer are established a wall 1118; Second transparency conducting layer 1116 comprises the strip shaped electric poles that extends along a direction (for example y direction); Second transparency conducting layer 1116 for example is indium tin oxide (ITO) or indium-zinc oxide (IZO), and wall 1118 is for example formed for glass.1108 of first transparency conducting layer 1114 and liquid crystal layers are provided with one the 3rd transparency conducting layer 1110 and an insulation course 1112.One second light polarizing film 1122 is arranged on second transparency conducting layer 1116.Second light polarizing film 1122 and 1116 of second transparency conducting layers are provided with a metal carbonyl conducting layer 1120.One cap rock 1128 is arranged at second light polarizing film, 1122 tops, and wherein cap rock 1128 can be glass, polymethylmethacrylate (polymethylmethacrylate is called for short PMMA) or transparent membrane.One ink lay 1126 and an optical cement 1124 are arranged at 1122 of cap rock 1128 and second light polarizing film, and wherein ink lay 1126 is in order to block the peripheral circuit of non-display area.
According to the foregoing description; The LCD that the present invention has contactor control device has the following advantages: 1. the present invention is with regional sequence color (field sequential color; Be called for short FSC) liquid crystal indicator and touch sensing device integration; Wherein the FSC liquid crystal indicator is to make display colorization through the sequence color, need not use colored filter, so can reduce thickness of product and weight.2. the present invention can promote product brightness owing to use the technology of regional sequence color.
Though the present invention with preferred embodiment openly as above; Right its is not in order to limit the present invention; Any those skilled in the art; Do not breaking away from the spirit and scope of the present invention, when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the scope that claim defined.
Claims (22)
1. touch control display apparatus comprises:
One back lighting device;
One first light polarizing film is arranged on this back lighting device;
One control element is arranged on this first light polarizing film;
One liquid crystal layer is arranged on this control element;
One first transparency conducting layer is arranged on this liquid crystal layer;
One wall is arranged on this first transparency conducting layer;
One second transparency conducting layer is arranged on this wall; And
One second light polarizing film is arranged on this second transparency conducting layer.
2. touch control display apparatus as claimed in claim 1 also comprises an ink lay and an optical cement, is arranged between this second transparency conducting layer and this second light polarizing film.
3. touch control display apparatus as claimed in claim 2 also comprises a black light shield layer, is arranged between this first transparency conducting layer and this liquid crystal layer.
4. touch control display apparatus as claimed in claim 1 also comprises a cap rock, is arranged at this second light polarizing film top.
5. touch control display apparatus as claimed in claim 4 also comprises an ink lay and an optical cement, is arranged between this cap rock and this second light polarizing film.
6. touch control display apparatus as claimed in claim 4, wherein this cap rock is glass, polymethylmethacrylate or transparent membrane.
7. touch control display apparatus as claimed in claim 2 also comprises a metal carbonyl conducting layer, is arranged at this ink lay and this second electrically conducting transparent interlayer.
8. touch control display apparatus as claimed in claim 2 also comprises a metal carbonyl conducting layer, is arranged at this first transparency conducting layer below.
9. touch control display apparatus as claimed in claim 2 also comprises one first metal carbonyl conducting layer, is arranged at this ink lay and this second electrically conducting transparent interlayer and one second metal carbonyl conducting layer, is arranged at this first transparency conducting layer below.
10. touch control display apparatus as claimed in claim 1 also comprises one the 3rd transparency conducting layer, is arranged at this first transparency conducting layer below, and the 3rd transparency conducting layer and the 3rd electrically conducting transparent interlayer are provided with an insulation course.
11. touch control display apparatus as claimed in claim 1 also comprises:
One the 3rd transparency conducting layer is arranged at this first transparency conducting layer below, and the 3rd transparency conducting layer and the 3rd electrically conducting transparent interlayer are provided with an insulation course;
One cap rock is arranged at this second light polarizing film top;
One ink lay and an optical cement are arranged between this cap rock and this second light polarizing film; And
One metal carbonyl conducting layer is arranged at this ink lay and this second electrically conducting transparent interlayer.
12. like claim 1 a described touch control display apparatus, wherein this control element is a thin film transistor (TFT).
13. touch control display apparatus as claimed in claim 1, wherein this back lighting device is the array of light emitting diode.
14. touch control display apparatus as claimed in claim 1, wherein this liquid crystal layer is optical compensation curved liquid crystal.
15. touch control display apparatus as claimed in claim 1, wherein this touch control display apparatus uses the regional sequence dye technology to present colorize.
16. touch control display apparatus as claimed in claim 1, wherein this touch control display apparatus does not comprise colored filter.
17. touch control display apparatus as claimed in claim 1, wherein this first transparency conducting layer, this wall and this second transparency conducting layer are as a sensing apparatus.
18. a touch control display apparatus comprises:
One back lighting device;
One first light polarizing film is arranged on this back lighting device;
One control element is arranged on this first light polarizing film;
One liquid crystal layer is arranged on this control element;
One wall is arranged at this liquid crystal layer top;
One first transparency conducting layer and an insulation course are arranged on the wall, and wherein this insulation course comprises the list structure that extends along a first direction, and this first transparency conducting layer comprises the strip shaped electric poles that extends along a second direction;
One articulamentum is arranged on this insulation course, connects the strip shaped electric poles of these insulation course both sides;
One second transparency conducting layer is arranged between this wall and this liquid crystal layer; And
One second light polarizing film is arranged on this first transparency conducting layer.
19. touch control display apparatus as claimed in claim 18, wherein this touch control display apparatus uses the regional sequence dye technology to present colorize.
20. touch control display apparatus as claimed in claim 18, wherein this touch control display apparatus does not comprise colored filter.
21. touch control display apparatus as claimed in claim 18, wherein this first transparency conducting layer, this insulation course and this articulamentum are as a sensing apparatus.
22. touch control display apparatus as claimed in claim 18, wherein this liquid crystal layer is optical compensation curved liquid crystal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110081751.7A CN102736287B (en) | 2011-03-29 | 2011-03-29 | Touch control display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110081751.7A CN102736287B (en) | 2011-03-29 | 2011-03-29 | Touch control display apparatus |
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| CN102736287A true CN102736287A (en) | 2012-10-17 |
| CN102736287B CN102736287B (en) | 2015-08-12 |
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| CN201110081751.7A Expired - Fee Related CN102736287B (en) | 2011-03-29 | 2011-03-29 | Touch control display apparatus |
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