CN103336607A - Touch display panel - Google Patents

Abstract

The invention provides a touch display panel which comprise a first baseplate, a second baseplate, a display medium layer between the first baseplate and the second baseplate, a shading pattern layer arranged on the first baseplate or the second baseplate, and a touch electrode structure arranged on the second baseplate, wherein the shading pattern layer comprises a plurality of pattern lines which are arranged longitudinally and horizontally in a staggered manner, so as to form a plurality of pixels; the touch electrode structure comprises a plurality of touch mats; each touch mat comprises a frame and a plurality of sensing lines which are arranged in the frame longitudinally and horizontally in a staggered manner; the frame is parallel to the pattern lines; a preset included angle, which is larger than 0 degree, is formed between each sensing ling and the frame.

Description

Touch-control display panel

Technical field

The present invention relates to a kind of touch-control display panel.

Background technology

Realize the common and stacked setting of shielding pattern layer of touch-control electrode structure of touch controllable function on the existing touch-control display panel.The touch-control electrode structure is provided with a plurality of latticed touch pads.The mesh lines that mesh lines in the described latticed touch pad is common and shielding pattern layer is interior has identical arragement direction and close arranging density, thereby easily produce the visual effect of folding line because interfering mutually, i.e. the moore phenomenon (Moire Pattern) that is commonly called as of industry.Described moore phenomenon has had a strong impact on the visual effect of touch-control display panel.

Summary of the invention

Given this, be necessary to provide a kind of touch-control display panel of eliminating moore phenomenon.

A kind of touch-control display panel, it comprise first substrate, second substrate, be arranged on the display dielectric layer between first substrate and second substrate and be arranged on first substrate or second substrate on shielding pattern layer, the touch-control electrode structure on second substrate is set.Described shielding pattern layer comprises that a plurality of crisscross pattern lines are to be separated out a plurality of pixels.Described touch-control electrode structure comprises a plurality of touch pads.Described touch pad comprises frame and is arranged on many interior crisscross sense wires of frame.Described frame is parallel to the pattern lines setting.Described sense wire becomes an angle greater than zero degree with described frame.

With respect to prior art, the sense wire setting that touch pad pattern provided by the present invention is close with the pattern lines of spatial frequency and shielding pattern layer is with pattern lines and intersects, thereby reduce significantly because interfering the moore phenomenon that produces between the pattern lines of sense wire and shielding pattern layer mutually, improved the visual effect of touch-control display panel.

Description of drawings

The diagrammatic cross-section of the touch-control display panel that Fig. 1 provides for first embodiment of the invention.

Fig. 2 is the structural representation of active layers among Fig. 1.

Fig. 3 is that the position of touch-control electrode structure and shielding pattern layer concerns synoptic diagram among Fig. 1.

The position of touch-control electrode structure and shielding pattern layer concerns synoptic diagram in the touch-control display panel that Fig. 4 provides for second embodiment of the invention.

The position of touch-control electrode structure and shielding pattern layer concerns synoptic diagram in the touch-control display panel that Fig. 5 provides for second embodiment of the invention.

The position of touch-control electrode structure and shielding pattern layer concerns synoptic diagram in the touch-control display panel that Fig. 6 provides for third embodiment of the invention.

The main element symbol description

Touch-control display panel	1、2
		First substrate	10
Second substrate	12
		Shielding pattern layer	14
The touch-control electrode structure	16
		Displaydielectric layer	18
Pattern lines	140
		Pixel	142
Touch pad	160
		Frame	162、2620
Sense wire	164
		Active layers	100
Data line	101
		Sweeptrace	102
Pixel region	103
		Active member	104
Pixel electrode	105
		The first touch-control tandem	161、261
The second touch-control tandem	163、263
		Insulation course	165
Virtual pad	262
		Dummy pattern	2622

Following embodiment will further specify the present invention in conjunction with above-mentioned accompanying drawing.

Embodiment

As Fig. 1 and shown in Figure 3, the touch-control display panel 1 that first embodiment of the invention provides comprises display unit and touch control unit, and described display unit comprisesfirst substrate 10,second substrate 12, shielding pattern layer 14 and display dielectric layer 18.Described touch control unit has touch-control electrode structure 16, the described touch-control electrode structure 16 stacked tops that are arranged on shielding pattern layer 14.Described shielding pattern layer 14 comprises that a plurality of crisscross pattern lines 140 define a plurality of pixels 142 with separation.Described touch-control electrode structure 16 comprises a plurality of touch pads 160.Described touch pad 160 comprises frame 162 and is arranged on many crisscross sense wires 164 in the frame 162.Described frame 162 is parallel to pattern lines 140 and arranges.162 one-tenth one angles of being scheduled to of described sense wire 164 and described frame

Describedsecond substrate 12 andfirst substrate 10 are oppositely arranged.Described displaydielectric layer 18 is arranged betweenfirst substrate 10 and second substrate 12.Describedfirst substrate 10 andsecond substrate 12 can be glass substrate, plastic substrate, ceramic substrate or other suitable substrates.In the present embodiment, described displaydielectric layer 18 is liquid crystal material, and described touch-control display panel 1 is touch control LCD (Liquid Crystal Display) panel.Be understandable that, in other alternative embodiments, described displaydielectric layer 18 also can be other display materials, such as: luminous organic material (Organic Light Emitting Material), electrophoretic display materials (Electrophoretic Display Material) or plasma display material (Plasma Display Material).

As shown in Figures 1 and 2, describedfirst substrate 10 is provided with active layers 100.Be provided with the crisscross data line of arranging 101 and sweeptrace 102 above the described active layers 100.Describeddata line 101 defines thepixel region 103 that a plurality of arrays are arranged with sweep trace 102.Thepixel electrode 105 that is provided withactive member 104 in eachpixel region 103 and electrically connects with described active member 104.Active members 104 in described eachpixel region 103 are connected withcorresponding scanning line 102 anddata line 101 respectively, under the control of the selected signal ofsweep trace 102 transmission the demonstration signal in thedata line 101 is transferred tocorresponding pixel electrode 105.

Described shielding pattern layer 14 is arranged on second substrate 12.Pixel 142 on the described shielding pattern layer 14 is corresponding with thepixel region 103 on the described active layers 100.Described shielding pattern layer 14 adopts lighttight black material to make, such as: black resin.Therefore, also shielding pattern layer 14 can be called black matrix".In the present embodiment, be provided with red filter pattern layer, blue filter pattern layer or green filter pattern layer in the described pixel 142.Be understandable that, in other alternative embodiments, described filter pattern layer also can be arranged on other retes, on the describedactive layers 100 that is arranged onfirst substrate 10, in other words, the pixel 142 that is separated out of described shielding pattern layer 14 also can be actually opening.

Described touch-control electrode structure 16 is arranged on another relative surface ofsecond substrate 12 and shielding pattern layer 14.Described touch-control electrode structure 16 comprises many first touch-control tandem 161 and many second touch-control tandems 163 that formed by described touch pad 160 serial connections of being formed by described touch pad 160 serial connections.The described first touch-control tandem 161 is extended along first direction.Extend with the second direction that first direction intersects on the described second touch-control tandem 163 edges.The described first touch-control tandem 161 and the second touch-control tandem 163 can be positioned on the same rete, and mutually insulated is isolated between the touch pad 160 on the described first touch-control tandem 161 and the touch pad 160 on the second touch-control tandem 163.The described first touch-control tandem 161 also can be positioned on the different retes with the described second touch-control tandem 163, and comes electrical isolation by middle insulation course 165 (referring to Fig. 5).The material of described frame 162 and sense wire 164 is conducting metal, such as being aluminium, copper, molybdenum, silver, gold, platinum and alloy thereof.The spatial frequency of the spatial frequency of described sense wire 164 and described pattern lines 140 is roughly the same.The spatial frequency of described frame 162 is much smaller than the spatial frequency of described pattern lines 140.The width of described frame 162 is greater than the width of described pattern lines 140.The live width of described sense wire 164 is between 0.1

M to 10

Between the m.Therefore, described touch pad 160 is actually by superfine metal wire and constitutes, and estimates described touch pad 160 and has quite high transmittance.

As shown in Figure 4, described sense wire 164 and frame 162 formed anglesGreater than zero degree.Described angle

Be preferable between 25 ° and 65 °, the best is 45 °.Because described frame 162 is arranged in parallel with pattern lines 140, so also can form described angle between the close described sense wire 164 of spatial frequency and the pattern lines 140

Thereby reduced the serious moore phenomenon that produces when the identical lattice of spatial frequency is parallel to each other, and the frame that is parallel to each other 162 and pattern lines 140 differ far away because of separately spatial frequency, so the moore phenomenon that causes can not appear in the scope of display screen, the perhaps degree that can't discover to human eye of the weak strength of Moire fringe.That is to say that any pattern in the touch-control electrode structure 16 is as long as the spatial frequency of its spatial frequency and pattern lines 140 differs the influence that far then is not subjected to pattern lines 140 arrangement modes.And when the pattern of the touch-control electrode structure 16 that have only spatial frequency and pattern lines 140 comparatively to approach just need and pattern lines 140 between the non-vanishing angle of formation.Therefore, touch pad 160 pattern setting provided by the present invention can reduce significantly because interfering the moore phenomenon that produces between the pattern lines 140 of sense wire 164 and shielding pattern layer 14 mutually, have improved the visual effect of touch-control display panel 1.

As shown in Figure 5, the structure of the structure of the touch-control display panel 2 that second embodiment of the invention provides and the touch-control display panel 1 that first embodiment of the invention provides is basic identical, and its difference is: the described first touch-control tandem 261 and the second touch-control tandem 263 are separately positioned on the different retes and by insulation course 165 and separate.Gap between the touch pad 260 on the described first touch-control tandem 261 and the second touch-control tandem 263 is provided with virtual pad 262.Be electrically insulated between described virtual pad 262 and the first touch-control tandem 261 and the described second touch-control tandem 263.The structure of described virtual pad 262 and general touch pad 260 are similar, have frame 2620 and are arranged on some dummy patterns 2622 in the frame 2620.Described dummy pattern 2622 is along the extension of its length direction.Form the angle greater than zero degree between the bearing of trend of described dummy pattern 2622 and the pattern lines 240

Described dummy pattern 2622 can be the sensing electrode with specific function, also can be for the pattern of adjusting appearance effect.In the present embodiment, described dummy pattern 2622 is three pairs of rectangular washer.Each is to rectangular washer parallel arranged along its length.Arrange along the direction perpendicular to self length between the different right rectangular washer.

As shown in Figure 6, the structure of the structure of the touch-control display panel 3 that third embodiment of the invention provides and the contact panel 2 that second embodiment of the invention provides is basic identical, its difference is: the described first touch-control tandem 361 and the second touch-control tandem 363 are the bar shaped sensing electrode, and are arranged on thesame rete 36 along orthogonal both direction respectively.The described first touch-control tandem 361 and the second touch-control tandem 363 are isolated in the intersection mutually insulated.Describeddummy pattern 362 is arranged in the rectangular apertures that the first touch-control tandem 361 that intersects vertically and the second touch-control tandem 363 mark off.Form the angle greater than zero degree between the length direction of describeddummy pattern 362 and thepattern lines 340

Those skilled in the art will be appreciated that; above embodiment only is that the present invention is described; and be not to be used as limitation of the invention; as long as within connotation scope of the present invention, appropriate change and variation that above embodiment is done all drop within the scope of protection of present invention.

Claims (16)

1. touch-control display panel, it comprises display unit and touch control unit, described display unit has shielding pattern layer, described shielding pattern layer comprises that a plurality of crisscross pattern lines are to be separated out a plurality of pixels, described touch control unit has the touch-control electrode structure, and this touch-control electrode structure comprises a plurality of touch pads, the sense wire that described touch pad comprises frame and is positioned at frame and is crisscross arranged, described frame is parallel to the pattern lines setting, and the described frame of the relative what of described sense wire is obliquely installed.

2. touch-control display panel as claimed in claim 1, it is characterized in that: the spatial frequency of described frame is much smaller than the spatial frequency of described pattern lines.

3. touch-control display panel as claimed in claim 2, it is characterized in that: the width of described frame is greater than the width of described pattern lines.

4. touch-control display panel as claimed in claim 1 is characterized in that: the scope of described angle is for more than or equal to 25 °, and is less than or equal to 65 °.

5. touch-control display panel as claimed in claim 1, it is characterized in that: described angle is 45 °.

6. touch-control display panel as claimed in claim 1, it is characterized in that: the live width of described sense wire is between 0.1

M to 10Between the m.

7. touch-control display panel as claimed in claim 1, it is characterized in that: the material of described touch pad is selected from aluminium, copper, molybdenum, silver, gold, platinum and combination thereof.

8. touch-control display panel as claimed in claim 1, it is characterized in that: described touch-control electrode structure comprises many first touch-control tandem and many second touch-control tandems that formed by described touch pad serial connection of being formed by described touch pad serial connection, the described first touch-control tandem is extended along first direction, and extend with the second direction that first direction intersects on described second touch-control tandem edge.

9. touch-control display panel as claimed in claim 8, it is characterized in that: the described first touch-control tandem and the second touch-control tandem are positioned on the same rete, and mutually insulated is isolated between the touch pad on the described first touch-control tandem and the touch pad on the second touch-control tandem.

10. touch-control display panel as claimed in claim 8, it is characterized in that: the described first touch-control tandem is positioned on the different retes with the described second touch-control tandem, and comes electrical isolation by the insulation course of centre.

11. touch-control display panel as claimed in claim 10, it is characterized in that: the gap between the touch pad of the described first touch-control tandem and the described second touch-control tandem is provided with virtual pad, be electrically insulated between described virtual pad and the first touch-control tandem and the described second touch-control tandem, described virtual pad comprises frame and is arranged on the interior some dummy patterns of frame, described dummy pattern extends along its length direction, forms an angle greater than zero degree between the bearing of trend of described dummy pattern and the pattern lines.

12. touch-control display panel as claimed in claim 11 is characterized in that: described dummy pattern is many to rectangular washer, and each is to rectangular washer parallel arranged along its length, arranges along the direction perpendicular to self length between the different right rectangular washer.

13. touch-control display panel, it comprises display unit and touch control unit, described display unit has shielding pattern layer, described shielding pattern layer comprises that a plurality of crisscross pattern lines are to be separated out a plurality of pixels, described touch control unit has the touch-control electrode structure, described touch-control electrode structure comprises the first touch-control electrode of a plurality of strips and the second touch-control electrode of a plurality of strips, the described first touch-control electrode and the second touch-control electrode are isolated along orthogonal direction extension and in the intersection mutually insulated respectively, be provided with dummy pattern in the rectangular apertures that the described first touch-control electrode that intersects vertically and the second touch-control electrode are divided, form an angle greater than zero degree between the length direction of described dummy pattern and the pattern lines.

14. touch-control display panel as claimed in claim 13 is characterized in that: described dummy pattern is many to rectangular washer, and each is to rectangular washer parallel arranged along its length, arranges along the direction perpendicular to self length between the different right rectangular washer.

15. touch-control display panel as claimed in claim 13 is characterized in that: the scope of described angle is more than or equal to 25 °, and is less than or equal to 65 °.

16. touch-control display panel as claimed in claim 13 is characterized in that: described angle is 45 °.

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