CN101819494B - Image display system - Google Patents
Image display system Download PDFInfo
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- CN101819494B CN101819494B CN200910009288.8A CN200910009288A CN101819494B CN 101819494 B CN101819494 B CN 101819494B CN 200910009288 A CN200910009288 A CN 200910009288A CN 101819494 B CN101819494 B CN 101819494B
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Abstract
The invention discloses an image display system comprising a touch display panel. The touch display panel comprises a first substrate, an electrode array, a first common electrode layer and a first dielectric layer, wherein the electrode array is arranged on the first substrate and comprises a first touch area; the first common electrode layer is arranged on the electrode array; and the first dielectric layer is arranged between the electrode array and the first common electrode layer.
Description
Technical field
The present invention relates to a kind of image display system that comprises display panel, particularly relate to a kind of touch-control display panel with embedded capacitance touching control structure.
Background technology
Generally speaking, the induction mode of embedded touch formula display panel comprises optical profile type or electrostatic induction.The contact panel of optical profile type induction is to utilize the optical inductor that is arranged in pixel to respond to extraneous light, reaches the object of touch-control.Yet optical profile type induction is easily subject to the impact of extraneous light luminance, and is limited to the size of elemental area.When the resolution of panel is higher, more hour, the signal of optical profile type induction can weaken elemental area, and the optical inductor in pixel can make the aperture opening ratio of panel decline, so the contact panel of optical profile type induction still has many problems to wait to improve.
The contact panel of another kind of embedded electrostatic induction is the electric capacity producing while utilizing touch panel, reaches the object of touch-control.Refer to Fig. 1, it is the floor map of known electrostatic induction contact panel 100.Known electrostatic induction contact panel 100 has a plurality of rhombus conductive structures 12 and 18, the rhombus conductive structure 12 of arranging (column) in column is connected by X-axis electrode 10, and be coupled to X-axis circuit 14,18 of the rhombus conductive structures of (row) of being arranged in rows are connected by Y-axis electrode 16, and are coupled to Y-axis circuit 20.Rhombus conductive structure 12 and X-axis electrode 10 are arranged in same conductive layer, rhombus conductive structure 18 and Y-axis electrode 16 are arranged in another conductive layer, the material of conductive layer is for example indium tin oxide (Indium Tin Oxide, be called for short ITO), therefore known electrostatic induction contact panel 100 need have two-layer ITO conductive coating structure.
Refer to Fig. 2, it shows along the line 2-2 ' in Fig. 1, is the sectional view of the upper substrate 102 of known embedded electrostatic induction contact panel 100.In upper substrate 102, there is the required capacitance structure of electrostatic induction contact panel, first on glass substrate 22, form X-axis electrode 10 and rhombus conductive structure 12, and on X-axis electrode 10, cover dielectric layer 24, then on dielectric layer 24, form Y-axis electrode 16 and rhombus conductive structure 18, and cover dielectric layer 26 on Y-axis electrode 16 and rhombus conductive structure 18.Then, on dielectric layer 26, form color filter layers 28, and form common electrode layer 30 on color filter layers 28 and dielectric layer 26.
Electrostatic induction contact panel is the electric capacity producing by detecting contact surface plate, reaches the object of touch-control, and wherein the conductive layer of the electric capacity of wish detecting in contact surface plate place and panel provides.Yet, known embedded electrostatic induction contact panel 100 has two conductive layers, electrode 10 and 16 for example, between two layers of conductive layer and common electrode layer 30, also can produce stray capacitance, and the one dielectric layer 26 of being only separated by between Y-axis electrode 16 and common electrode layer 30, the parasitic capacitance value therefore producing is also larger.Because stray capacitance can be disturbed the in fact capacitance of wish detecting of contact panel, make detection signal sensitivity, therefore the detection signal sensitivity of known embedded electrostatic induction contact panel 100 is not good.
In view of this, industry is needed a kind of display panel with embedded capacitance touching control structure badly, and it can improve the problems referred to above.
Summary of the invention
The invention provides a kind of image display system that comprises touch-control display panel, this touch-control display panel comprises: first substrate; Electrod-array is arranged on first substrate, and this electrod-array comprises the first Touch Zone; The first common electrode layer is arranged on electrod-array; And first dielectric layer be arranged between electrod-array and the first common electrode layer.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below coordinate accompanying drawing, be described in detail below:
Accompanying drawing explanation
Fig. 1 is for showing the floor map of known electrostatic induction contact panel.
Fig. 2 is for showing the sectional view of the upper substrate of known electrostatic induction contact panel.
Fig. 3 is the floor map according to the electrod-array of the touch-control display panel of the embodiment of the present invention.
Fig. 4 A is for showing the diagrammatic cross-section according to the touch-control display panel of the embodiment of the present invention.
Fig. 4 B is for showing the diagrammatic cross-section according to the touch-control display panel of another embodiment of the present invention.
Fig. 4 C is for showing the diagrammatic cross-section of the touch-control display panel of another embodiment again according to the present invention.
Fig. 5 is for showing the diagrammatic cross-section according to the Organic Light Emitting Diode touch-control display panel of the embodiment of the present invention.
Fig. 6 is for showing the configuration schematic diagram according to the image display system that comprises touch-control display panel of the embodiment of the present invention.
Description of reference numerals
10:X axial electrode 12,18: rhombus conductive structure
14:X axle circuit 16:Y axial electrode
20:Y axle circuit 22: substrate
24,26: dielectric layer 28: color filter layers
30: common electrode layer 100: contact panel
102: upper substrate 300: display panel
301: first substrate 303: transparent electrode layer
305,307,317: dielectric layer 309,315: common electrode layer
310: Touch Zone 311: color filter layers
312: electrod-array 313: conducting objects
319: second substrate 320,321,323,325: opening
327: liquid crystal layer 330: viewing area
332: thin film transistor (TFT) 340: surrounding zone
400: display 427: packing material
434: anode 436: luminescent layer
438: negative electrode 442: protective seam
500: control module 600: image display system
Embodiment
The touch-control display panel with embedded capacitance touching control structure of the present invention is only to utilize layer of transparent electrode layer as Touch Zone, and to reach the object of touch-control, it can reduce stray capacitance, improves the sensitivity of detection signal.In addition, only use layer of transparent electrode layer can also reduce the impact of counter plate optical characteristics, less such as the impact of the brightness for display frame, contrast, homogeneity etc.
Refer to Fig. 3, it is the floor map according to the embedded capacitance touching control structure of the touch-control display panel 300 of the embodiment of the present invention.In touch-control display panel 300, there are a plurality of Touch Zones 310, its button form with arrayed is presented on display panel 300, form electrod-array 312, wherein be arranged in the X-direction of display panel 300 and a plurality of Touch Zones 310 in Y direction and be all arranged on same layer electrode layer structure, there is common plane, and be electrically insulated each other.In an embodiment of the present invention, each Touch Zone 310 can be circular button, and its diameter is about between 5 to 15mm, for example 10mm.Although each Touch Zone 310 is circular key in Fig. 3, persons skilled in the art should be understood, any one in a plurality of Touch Zones 310 can be also the button of ellipse, square, rectangle, triangle, polygon or other arbitrary shapes, and the width of Touch Zone 310 can be between approximately 5 between 15mm.In addition, the spread geometry of electrod-array 312 can be circle, ellipse, square, rectangle, triangle, polygon or other arbitrary shapes.
Refer to Fig. 4 A, it shows along the line 4-4 ' in Fig. 3, according to the diagrammatic cross-section of the touch-control display panel 300 of the embodiment of the present invention.Display panel 300 has viewing area 330, and around viewing area 330 surrounding zone 340.On first substrate 301, form transparent electrode layer 303, transparent electrode layer 303 is for example indium tin oxide or indium-zinc oxide.Transparent electrode layer 303 is in the part of corresponding viewing area 330, and patterned to form a plurality of Touch Zones 310, it is as the lower electrode plate of embedded capacitance touching control structure.Touch Zone 310 on touching touch-control display panel 300, for example, during user's finger (being the electric pole plate as embedded capacitance touching control structure) touching Touch Zone 310, on finger with static can and Touch Zone 310 between produce electric capacity and form embedded capacitance touching control structure.
Then, on transparent electrode layer 303, cover dielectric layer 305, in an embodiment of the present invention, can on dielectric layer 305, form color filter layers 311, then in color filter layers 311, cover another dielectric layer 307, dielectric layer 305 and 307 can be Si oxide, silicon nitride, organic compound or aforesaid combination.After dielectric layer 305 and 307 forms, in surrounding zone, 340 dielectric layer 305 and 307 interiorly forms respectively opening 321 and 323 respectively, and the size of opening 323 is greater than opening 321, and the opening 320 being comprised of opening 321 and 323 exposes transparent electrode layer 303.Then, on dielectric layer 307 and opening 320 interior compliances form common electrode layer 309, common electrode layer 309 is for example indium tin oxide or indium-zinc oxide, common electrode layer 309 is electrically connected by opening 320 and transparent electrode layer 303.
In addition, display panel 300 also comprises the second substrate 319 arranging with first substrate 301 subtends, second substrate can be thin film transistor (TFT) array (TFT Array) substrate, on second substrate 319, there is electrode layer (not shown), be for example sweep trace, data line or common electrode line, and on second substrate 319, also there is thin film transistor (TFT) 332.On second substrate 319, form dielectric layer 317, dielectric layer 317 can be Si oxide, silicon nitride, organic compound or aforesaid combination, and then the interior formation opening 325 of 340 dielectric layer 317 in surrounding zone, exposes the electrode layer on second substrate 319.Then, on dielectric layer 317 and opening 325 interior compliances form common electrode layer 315, common electrode layer 315 is for example indium tin oxide or indium-zinc oxide, common electrode layer 315 is electrically connected by opening 325 and the electrode layer on second substrate 319.
According to embodiments of the invention, can be between first substrate 301 and second substrate 319 sandwiched liquid crystal layer 327, the frame glue (not shown) that utilization is positioned at surrounding zone 340 can seal liquid crystal layer 327, in frame glue, contain a plurality of conducting objects 313, these conducting objects 313 contact with 315 with common electrode layer 309, therefore can make the transparent electrode layer 303 on first substrate 301 pass through common electrode layer 309, conducting objects 313 and common electrode layer 315, be electrically connected to the electrode layer on second substrate 319.In addition, in an embodiment, be positioned at viewing area 330, distance d1 between common electrode layer 309 and 315 is about between 2 to 6 μ m, and for example d1 can be 3 μ m, and is positioned at surrounding zone 340, distance d2 between common electrode layer 309 and 315 is about between 5 to 7 μ m, and for example d2 can be 5 μ m.
Then, refer to Fig. 4 B, it shows along the line 4-4 ' in Fig. 3, according to the diagrammatic cross-section of the touch-control display panel 300 of another embodiment of the present invention.The touch-control display panel 300 of Fig. 4 B is that with the difference of Fig. 4 A color filter layers 311 wherein is directly arranged on transparent electrode layer 303, then covers two layers of dielectric layer 305 and 307 in color filter layers 311.Other element is identical with the display panel 300 of Fig. 4 A, does not repeat them here.
In addition, refer to Fig. 4 C, it shows along the line 4-4 ' in Fig. 3, according to the present invention's diagrammatic cross-section of the touch-control display panel 300 of another embodiment again, color filter layers 311 is wherein arranged on two layers of dielectric layer 305 and 307, other element, with the touch-control display panel 300 of Fig. 4 A, does not repeat them here.
The present invention utilizes the transparent electrode layer 303 of one deck patterned to form Touch Zone 310, as the bottom electrode of embedded capacitance touching control structure, and between transparent electrode layer 303 and common electrode layer 309, has at least two layers of dielectric layer 305 and 307 to exist.Because the distance between capacitance and two electrodes is inversely proportional to, therefore in display panel 300 of the present invention, the known contact panel 100 that the parasitic capacitance value producing between transparent electrode layer 303 and common electrode layer 309 can more only have one dielectric layer reduces approximately 3 to 4 times, and then make the touching signals noise that touch-control display panel of the present invention can be detected improve approximately 3 to 4 times than (signal tonoise ratio is called for short S/N).
In addition, according to touch-control display panel 300 of the present invention, action that can compounding practice person finger touches panel, with the instruction of judging that touch-control display panel 300 should be carried out.When finger sliding is touched some Touch Zone 310, by detecting resulting signal on the Touch Zone of different time and diverse location, can decision person's finger movement the instruction of representative for dilatory (draw), spool (scroll), zoom in/out (zoomin/out), knock (click) or two knocking (double click) etc.
Refer to Fig. 5; it shows along the line 4-4 ' in Fig. 3; diagrammatic cross-section according to Organic Light Emitting Diode (OLED) touch-control display panel 300 of the embodiment of the present invention; the main difference of the touch-control display panel of itself and Fig. 4 A is to be provided with on second substrate 319 anode 434, luminescent layer 436, negative electrode 438 and protective seam 442; to form OLED structure, and between first substrate 301 and second substrate 319, packing material 427 is set.In addition, in color filter layers 311, do not cover again dielectric layer 307 and common electrode layer 309.
Although above-described embodiment be take the touch-control display panel with color filter layers and is example explanation, yet in another embodiment of the present invention, touch-control display panel also can not arrange color filter layers.
The present invention can be applicable in various displays, such as penetrating LCD, reflective liquid-crystal display, partly wear inverse LCD device or electroluminescent display (electroluminescence display) etc.
Then refer to Fig. 6, it is the configuration schematic diagram according to the image display system that comprises touch-control display panel 600 of the present invention, wherein comprise display 400, this display has touch-control display panel 300 of the present invention, and this display 400 can be a part for electronic installation.Generally speaking, image display system 600 comprises display 400 and control module 500, and control module 500 couples with display 400.Control module 500 except can signal transmission to display, make outside display show image, can also receive the first signal from the embedded capacitance touching control structure generation of display panel, and transmission corresponding to the secondary signal of first signal to display so that display according to touch-control action show image.Above-mentioned electronic installation can be mobile phone, digital camera, personal digital assistant (PDA), notebook computer, desktop computer, TV, vehicle display or Portable DVD player.
Although the present invention has disclosed preferred embodiment as above; so it is not in order to limit the present invention, one of ordinary skill in the art, without departing from the spirit and scope of the present invention; when doing a little change and retouching, so protection scope of the present invention is when defining and be as the criterion depending on accompanying claim.
Claims (8)
1. an image display system, comprises:
Touch-control display panel, comprising:
First substrate:
Electrod-array, is arranged on this first substrate, and this electrod-array comprises the first Touch Zone and the second Touch Zone, and this second Touch Zone and this first Touch Zone are electrically insulated;
The first common electrode layer, is arranged on this electrod-array;
The first dielectric layer, is arranged between this electrod-array and this first common electrode layer,
It is characterized in that: this touch-control display panel also comprises:
The second dielectric layer, is arranged between this first dielectric layer and this first common electrode layer; And
Opening, is arranged in this first dielectric layer of surrounding zone and this second dielectric layer of this touch-control display panel, and wherein this first common electrode layer is electrically connected to the electrode layer that contains this electrod-array via this opening.
2. image display system as claimed in claim 1, also comprises that color filter layers is arranged between this first dielectric layer and this second dielectric layer.
3. image display system as claimed in claim 1, also comprises that color filter layers is arranged on this first dielectric layer and this second dielectric layer.
4. image display system as claimed in claim 1, also comprises that color filter layers is arranged under this first dielectric layer and this second dielectric layer.
5. image display system as claimed in claim 1, wherein the shape of this first Touch Zone comprises circle, ellipse or polygon, and the width of this first Touch Zone is between 5 to 15mm.
6. image display system as claimed in claim 1, wherein the shape of this electrod-array comprises circle, ellipse or polygon.
7. image display system as claimed in claim 1, also comprises electronic installation, and this electronic installation comprises:
Display, this display comprises this touch-control display panel; And
Control module, couples with this display, and wherein this control module signal transmission is to this display, so that this display show image.
8. image display system as claimed in claim 1, also comprises second substrate, has thin film transistor (TFT), and wherein this first substrate and this second substrate subtend arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910009288.8A CN101819494B (en) | 2009-02-27 | 2009-02-27 | Image display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910009288.8A CN101819494B (en) | 2009-02-27 | 2009-02-27 | Image display system |
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| Publication Number | Publication Date |
|---|---|
| CN101819494A CN101819494A (en) | 2010-09-01 |
| CN101819494B true CN101819494B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910009288.8A Active CN101819494B (en) | 2009-02-27 | 2009-02-27 | Image display system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI581150B (en) * | 2015-06-05 | 2017-05-01 | 群創光電股份有限公司 | Touch display device |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI477851B (en) | 2012-05-22 | 2015-03-21 | Au Optronics Corp | Touch sensing display panel and touch sensing liquid crystal display panel |
| CN103913884A (en) * | 2013-06-28 | 2014-07-09 | 上海天马微电子有限公司 | Color film substrate, manufacturing method thereof and display panel |
| CN105320328B (en) * | 2014-07-25 | 2018-08-21 | 南京瀚宇彩欣科技有限责任公司 | Touch-control display panel |
| CN105321976B (en) * | 2014-07-29 | 2018-06-29 | 南京瀚宇彩欣科技有限责任公司 | Organic electric-excitation luminescent touch panel |
| TWI538197B (en) * | 2014-10-06 | 2016-06-11 | 友達光電股份有限公司 | Organic light emitting diode display device |
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| CN1527101A (en) * | 2003-03-05 | 2004-09-08 | 精工爱普生株式会社 | Liquid crystal device, its driving method and electronic equipment |
| CN101339314A (en) * | 2008-08-13 | 2009-01-07 | 友达光电股份有限公司 | Touch control type display panel, photovoltaic device and process for production thereof |
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2009
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527101A (en) * | 2003-03-05 | 2004-09-08 | 精工爱普生株式会社 | Liquid crystal device, its driving method and electronic equipment |
| CN101339314A (en) * | 2008-08-13 | 2009-01-07 | 友达光电股份有限公司 | Touch control type display panel, photovoltaic device and process for production thereof |
Non-Patent Citations (1)
| Title |
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| JP特开2004-361662A 2004.12.24 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI581150B (en) * | 2015-06-05 | 2017-05-01 | 群創光電股份有限公司 | Touch display device |
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| CN101819494A (en) | 2010-09-01 |
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Owner name: QIMEI ELECTRONIC CO LTD Free format text: FORMER OWNER: TONGBAO OPTOELECTRONICS CO., LTD. Effective date: 20140717 |
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Address after: Hsinchu Science Park, Taiwan, China Applicant after: INNOLUX DISPLAY CORP. Address before: Miaoli County, Taiwan, China Applicant before: CHI MEI OPTOELECTRONICS CORP. |
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Effective date of registration: 20140717 Address after: Miaoli County, Taiwan, China Applicant after: CHI MEI OPTOELECTRONICS CORP. Address before: Hsinchu Science Park, Taiwan, China Applicant before: TOPPOLY OPTOELECTRONICS Corp. |
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