A kind of capacitive touch display device
Technical field
The utility model relates to touch-control field, relates in particular to a kind of capacitive touch display device.
Background technology
Along with the fast development of electronic information technology, capacitive touch display device has spread all over electronic product market, such as smart mobile phone, panel computer, point reader etc.
Existing capacitive touch display device is mainly comprised of touch-screen and display screen two parts, as shown in Figure 1, touch-screen and display screen are separately made, wherein, display screen mainly comprises polaroid 4, upper substrate 1, infrabasal plate 2 and the liquid crystal molecule 3 between described upper substrate 1 and infrabasal plate 2, and described polaroid 4 is positioned at the top of upper substrate 1.Wherein, touch-screen comprises touch substrate 6 and electrode layer 7, and described touch substrate 6 is connected with polaroid 4 by adhered layer 5, and described electrode layer 7 is formed on described touch substrate 6.
In prior art, capacitive touch display device thickness is large, can not meet the requirement of consumer to electronic product slimming.
Summary of the invention
For solving the problem that existing capacitive touch display device thickness is large, cost of manufacture is high, the utility model embodiment provides a kind of capacitive touch display device.
The capacitive touch display device that the utility model provides comprises LCDs and touch function layer, and described LCDs comprises polaroid, antireflecting film, lower polaroid, liquid crystal upper substrate, liquid crystal infrabasal plate and the liquid crystal between described liquid crystal upper substrate and described liquid crystal infrabasal plate;
Described upper polaroid is positioned at the top of described liquid crystal upper substrate and is connected with described liquid crystal upper substrate by the first adhered layer,
Described antireflecting film is positioned at described upper polaroid top and is connected with described upper polaroid by the second adhered layer;
Described lower polaroid is positioned at the below of described liquid crystal infrabasal plate and is connected with described liquid crystal infrabasal plate by the 3rd adhered layer;
Described touch function layer is formed on upper surface and/or the lower surface of described upper polaroid.
Further, in the capacitive touch display device that the utility model provides, described touch function layer is formed on the lower surface of described upper polaroid.
Further, in the capacitive touch display device that the utility model provides, described touch function layer comprises ITO electrode layer and the wiring board being connected with described ITO electrode layer.
Further, in the capacitive touch display device that the utility model provides, the bar shaped ITO electrode that described ITO electrode layer is a plurality of spaces.
Further, in the capacitive touch display device that the utility model provides, described ITO electrode layer is multiple row, and every row ITO electrode layer comprises a plurality of interconnective rhombus ITO electrodes.
Further, the capacitive touch display device that the utility model provides also comprises the protective seam that is positioned at described antireflecting film top, and described protective seam is connected with described antireflecting film by the 4th adhered layer.
Further, in the capacitive touch display device that the utility model provides, the thickness of described upper polaroid and described lower polaroid is 0.2mm~0.3mm.
Further, in the capacitive touch display device that the utility model provides, described the first adhered layer, the second adhered layer, the 3rd adhered layer and the 4th adhered layer are optical cement.
Further, in the capacitive touch display device that the utility model provides, the thickness of described antireflecting film is 15nm~75nm.
In the capacitive touch display device that the utility model provides, described touch function layer is formed on polaroid, with respect to prior art, reduced the carrier that carries touch function layer, and then reduced thickness, and meet the slimming requirement of consumer to capacitive touch display device, reduced in addition lift-launch touch function layer carrier, further reduce costs, improve profit.
Accompanying drawing explanation;
Fig. 1 is existing capacitive touch display device structural representation;
Fig. 2 is the capacitive touch display device structural representation that the utility model embodiment provides.
Figure of description mark is as follows:
1, upper substrate; 2, infrabasal plate; 3, liquid crystal molecule; 4, polaroid; 5, adhered layer; 6, touch substrate; 7, electrode layer; 101, liquid crystal upper substrate; 102, liquid crystal infrabasal plate; 103, liquid crystal; 104, upper polaroid; 105, ITO electrode layer; 106, wiring board; 107, antireflecting film; 108, lower polaroid.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of capacitive touch display device, this capacitive touch display device can be mobile phone, panel computer, notebook etc., and its principle of operation is: utilize conductor (for example finger) to join each application work in control capacitance formula touch display unit with capacitive touch display device.
The capacitive touch display device that the utility model provides comprises LCDs and touch function layer, and described LCDs comprises polaroid, antireflecting film, lower polaroid, liquid crystal upper substrate, liquid crystal infrabasal plate and the liquid crystal between described liquid crystal upper substrate and described liquid crystal infrabasal plate; Described upper polaroid is positioned at the top of described liquid crystal upper substrate and is connected with described liquid crystal upper substrate by the first adhered layer, and described antireflecting film is positioned at described upper polaroid top and is connected with described upper polaroid by the second adhered layer; Described lower polaroid is positioned at the below of described liquid crystal infrabasal plate and is connected with described liquid crystal infrabasal plate by the 3rd adhered layer; Described touch function layer is formed on upper surface and/or the lower surface of described upper polaroid.This programme is formed on touch function layer upper surface and/or the lower surface of the upper polaroid of LCDs, therefore does not need to make separately one deck and touches substrate as touch function layer carrier, and relative to existing technologies, capacitive touch display device thickness reduces; And reduce one deck and touch substrate, cost.
By the following examples the utility model is further detailed.
The present embodiment provides a kind of capacitive touch display device, as shown in Figure 2, described capacitive touch display device comprises LCDs and touch function layer, and described LCDs comprises polaroid 104, and described touch function layer is formed on the lower surface of described upper polaroid 104.Wherein said LCDs specifically comprises polaroid 104, lower polaroid 108, liquid crystal upper substrate 101, liquid crystal infrabasal plate 102, antireflecting film 107 and the liquid crystal 103 between described liquid crystal upper substrate and described liquid crystal infrabasal plate; Described upper polaroid 104 is positioned at the top of described liquid crystal upper substrate 101 and is connected with liquid crystal upper substrate 101 by the first adhered layer (not shown), and described antireflecting film 107 is positioned at the top of described upper polaroid 104 and is connected with described upper polaroid 104 by the second adhered layer (not shown); Described touch function layer is formed on the lower surface (upper polaroid 104 and liquid crystal upper substrate 101 over against one side) of described upper polaroid 104, and described lower polaroid 108 is positioned at the below of liquid crystal infrabasal plate 102 and is connected with liquid crystal infrabasal plate 102 by the 3rd adhered layer (not shown).
Described antireflecting film 107(is called again anti-reflection film) by silicon dioxide, to be made, thickness is 15nm~75nm; As required double-layer reflection reducing coating can be set in LCDs.
As another kind of embodiment, described touch function layer is formed on the upper surface of described upper polarisation 104, and as a kind of expansion, described touch function layer can divide two-layer, is respectively formed at upper surface and the lower surface of described upper polarisation 104.
Described liquid crystal upper substrate 101 and liquid crystal infrabasal plate 102 are transparency carrier, and liquid crystal upper substrate 101 and liquid crystal infrabasal plate 102 are fixing by liquid crystal 103.The present embodiment is preferably glass substrate, and the light transmission of glass is good, and hardness is large.
Described upper polaroid 104 is horizontal polaroid, and lower polaroid 108 is vertical polaroid.
Described touch function layer comprises ITO(Indium Tin Oxides, tin indium oxide) electrode layer 105 and the wiring board 106 being connected with described ITO electrode layer 105, wiring board 106 is selected FPC(Flexible Printed Circuit, flexible printed circuit board), FPC mildness is better, is convenient to bending.When the external world has conductor to come close to or in contact with upper polaroid 104, the ITO electrode layer 105 to external world appearance of conductor is responded to, and by the result output after induction.
Described ITO electrode layer 105 is various distribution of shapes on upper polaroid 104, and for example ITO electrode layer 105 is multiple row, often classifies a plurality of interconnective rhombus ITO electrodes as; ITO electrode layer can be also the bar shaped ITO electrode of a plurality of spaces.ITO electrode layer not only can conduct electricity, and translucent effect is good, is formed on the light transmission that can not affect polaroid on polaroid.The present embodiment adopts the mode of plated film ITO to be formed on to the lower surface of upper polaroid 104.
Wherein the formation technique of the present embodiment capacitive touch display device is: first at the lower surface plating ITO of upper polaroid 104 film, form ITO polaroid, then measure the sheet resistance resistance of ITO, orient and need etched ITO, etch ITO figure, by spray printing mode, print filamentary silver line and be connected with ITO, then carry out semi-manufacture test, complete the making of ITO, finally ITO polaroid is combined with the other parts of LCDs, forms capacitive touch display device.
In order better to protect upper polaroid; improve its serviceable life; the top of described antireflecting film 107 is also formed with protective seam; protective seam is connected by the 4th adhered layer with antireflecting film 107; protective seam is generally PET(Polyethylene terephthalate, poly terephthalic acid class plastics) film.
Described in the utility model embodiment, the thickness of upper polaroid 104 and described lower polaroid 108 is 0.2mm~0.3mm.Described the first adhered layer, the second adhered layer, the 3rd adhered layer and the 4th adhered layer are transparent adhesive tape, are specifically as follows optical cement.
The concrete structure of the LCDs in the utility model can, for existing all liquid-crystal displaying screen structures, be not limited to the utility model embodiment in addition.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.In addition, between various embodiment of the present utility model, also can carry out combination in any, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.