Utility model content
Technical problem to be solved in the utility model is, how to pass through the electrode in bridging structure conducting x direction, and ensures that the right opposite of bridge part and y direction electrode is long-pending less, thus reduces the coupling capacitance of bridge part and y direction electrode, thus improves touch-control sensitivity.
For this purpose, the utility model proposes a kind of touch display screen, comprising:
Substrate,
Be arranged on the conductive metal layer of described substrate side,
Described conductive metal layer comprises:
Along multiple first electrodes that first direction is arranged, along multiple second electrodes that second direction is arranged, described first direction is vertical with described second direction,
Wherein, two adjacent the second electrodes are connected with the second conductive part by the first conductive part, are provided with the clinch insulated with described second electrode and described first conductive part and the second conductive part between described two conductive parts,
Described conductive metal layer also comprises:
Be arranged on the first bridge part between two adjacent the first electrodes and the second bridge part, described first bridge part is electrically connected with first electrode in described two the first electrodes and described clinch, and described second bridge part is electrically connected with another first electrode in described two the first electrodes and described clinch.
Preferably, also comprise:
Be arranged on the display unit of described substrate opposite side, the primary colour unit in described display unit is parallel with described first direction,
Then described first bridge part is parallel with described second bridge part, and becomes predetermined angle with described first direction, and predetermined angle scope is 0 ~ 90 degree.
Preferably, also comprise:
Dielectric film, is separately positioned between described first bridge part and described first conductive part, and is arranged between described second bridge part and described second conductive part,
Wherein, first electrode of described first conductive part in described two the first electrodes, described second conductive part another first electrode in described two the first electrodes.
Preferably, described first conductive part and described second conductive part identical with the material of described two adjacent the second electrodes, and to be structure as a whole with described two adjacent the second electrodes.
Preferably, described clinch is identical with the material of described two adjacent the second electrodes.
Preferably, the material of described second electrode and described first electrode is tin indium oxide or indium zinc oxide.
The utility model also proposed a kind of display device, comprises the touch display screen described in above-mentioned any one.
According to technique scheme, by two conductive parts, the second electrode electrical connection of second direction can be ensured, and pass through clinch, can by the first bridge part and the second bridge part conducting, thus make the first electrode electrical connection of first direction, arrange because clinch and two conductive parts insulate, make to there is certain intervals between clinch and two conductive parts, thus make that the right opposite of the first bridge part and the second bridge part and two conductive parts and clinch is long-pending to be reduced, and then decrease the coupling capacitance of bridge part and the second electrode.And two bridge parts are set to become predetermined angle with first direction, two bridge parts can be made not parallel with primary colour unit, thus improve end shadow effect of building bridge, and reduce grating interference effect.
Embodiment
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not by the restriction of following public specific embodiment.
As shown in Figure 5, comprise according to the touch display screen of the utility model embodiment:
Substrate (not shown), can be made by glass,
Be arranged on the conductive metal layer of substrate side,
Conductive metal layer comprises:
Along multiple first electrodes 1 that first direction is arranged, along multiple second electrodes 2 that second direction is arranged, first direction is vertical with second direction, for making description succinctly understandable, representing first direction, represent second direction with y direction in figure with x direction.
Wherein, adjacent two the second electrodes 2 are connected with the second conductive part 22 by the first conductive part 21, are provided with the clinch 23 insulated with the second electrode 2 and the first conductive part 21 and the second conductive part 22 between two conductive parts,
Conductive metal layer also comprises:
Be arranged on the first bridge part 31 and the second bridge part 32 between two adjacent the first electrodes 1, first bridge part 31 is electrically connected with first electrode in two the first electrodes 1 and clinch 23, and the second bridge part is electrically connected with another first electrode in two the first electrodes 1 and clinch 23.
By the first conductive part 21 and the second conductive part 22, can ensure that the adjacent second electrode 2 on y direction is electrically connected, and by clinch 23, can by the first bridge part 31 and the second bridge part 31 conducting, thus the first electrode 1 adjacent on x direction be electrically connected.
And arrange because clinch 23 and two conductive parts insulate, make to there is certain intervals between clinch 23 and two conductive parts, thus make that the right opposite of the first bridge part 31 and the second bridge part 32 and two conductive parts and clinch 23 is long-pending to be reduced, and then decrease the coupling capacitance of bridge part and the second electrode 2, improve the touch-control sensitivity of electrode.
Preferably, also comprise:
Be arranged on the display unit of substrate opposite side, the primary colour unit (can comprise red, green, blue three primary colours, i.e. RGB) in display unit is parallel with first direction,
Then the first bridge part 31 is parallel with the second bridge part 32, and becomes predetermined angle with first direction.Predetermined angle can be arranged as required, as long as ensure that the first bridge part 31 is not parallel with the primary colour unit in the second bridge part 32 and display unit.
Two bridge parts are set to become predetermined angle with x direction, two bridge parts can be made not parallel with primary colour unit, thus improve end shadow effect of building bridge, and reduce grating interference effect.
As shown in Figure 6, preferably, also comprise:
Dielectric film 4, is separately positioned between the first bridge part 31 and the first conductive part 21, and is arranged between the second bridge part 32 and the second conductive part 22,
Wherein, first electrode of the first conductive part 21 in two the first electrodes 1, the second conductive part 22 another first electrode in two the first electrodes 1.
By arranging dielectric film 4, can ensure the first bridge part 31 and insulating with the first conductive part 21, the second bridge part 32 and the second conductive part 22 insulate.
Preferably, the first conductive part 21 and the second conductive part 22 identical with the material of adjacent two the second electrodes 2, and to be structure as a whole with adjacent two the second electrodes 2.
Preferably, clinch 23 is identical with the material of adjacent two the second electrodes 1.
Directly can form multiple the second adjacent electrode 2, and form the first conductive part 21, second conductive part 22 and clinch 23 by the connecting portion between etching adjacent second electrode 2, to simplify structure, ensure the planarization of conductive metal layer.
Fig. 5 and clinch illustrated in fig. 6 23 are rectangle, it is only a kind of embodiment of the application, in fact the shape of clinch 23 can be set as required, as shown in Figure 7, ellipse can be set to, as long as ensure that the first bridge part 31 and the second bridge part 32 can snap on it, and the first bridge part 31 becomes predetermined angle with the second bridge part 32 with x direction.
In addition, although the first bridge part 31 in Fig. 5 and Fig. 7 and and the first conductive part 21 between, and second does not illustrate between bridge part 32 and the second conductive part 22 and arranges insulation component, but in fact can as required the first bridge part 31 in Fig. 5 and Fig. 7 and insulating with the first conductive part 21 be arranged, and the second bridge part 32 and the second conductive part 22 insulated arrange, the mode that insulation is arranged includes but are not limited between the first bridge part 31 and the first conductive part 21, and is arranged between the second bridge part 32 and the second conductive part 22 and arranges dielectric film 4.
Preferably, the material of the second electrode 2 and the first electrode 1 is tin indium oxide or indium zinc oxide.
The utility model also proposed a kind of display device, comprises the touch display screen described in above-mentioned any one.
It should be noted that, the display device in the present embodiment can be: any product or parts with Presentation Function such as Electronic Paper, mobile phone, panel computer, televisor, notebook computer, digital album (digital photo frame), navigating instrument.
More than be described with reference to the accompanying drawings the technical solution of the utility model, considered in prior art, bridging structure is difficult to be implemented to and can improves display effect, does not affect touch-control effect again.By the technical solution of the utility model, the right opposite of the first bridge part and the second bridge part and two conductive parts and clinch is amassed and reduces, and then decrease the coupling capacitance of bridge part and the second electrode.And two bridge parts are set to become predetermined angle with first direction, two bridge parts can be made not parallel with primary colour unit, thus improve end shadow effect of building bridge, and reduce grating interference effect.
In the utility model, term " first ", " second ", only for describing object, and can not be interpreted as instruction or hint relative importance.Term " multiple " refers to two or more, unless otherwise clear and definite restriction.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.