CN104597672A - Display panel, formation method of display panel, and display device - Google Patents

Display panel, formation method of display panel, and display device Download PDF

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Publication number
CN104597672A
CN104597672A CN201510053648.XA CN201510053648A CN104597672A CN 104597672 A CN104597672 A CN 104597672A CN 201510053648 A CN201510053648 A CN 201510053648A CN 104597672 A CN104597672 A CN 104597672A
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China
Prior art keywords
electrode
display panel
line
lines
insulation course
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Granted
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CN201510053648.XA
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Chinese (zh)
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CN104597672B (en
Inventor
邱峰青
钟德镇
潘新叶
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InfoVision Optoelectronics Kunshan Co Ltd
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InfoVision Optoelectronics Kunshan Co Ltd
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Priority to CN201510053648.XA priority Critical patent/CN104597672B/en
Publication of CN104597672A publication Critical patent/CN104597672A/en
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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/13338Input devices, e.g. touch panels
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412Digitisers structurally integrated in a display
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate

Abstract

The invention provides a display panel, which comprises a glass substrate and a touch sensing line located on the glass substrate, wherein the touch sensing line comprises a first electrode layer, an insulation layer and a second electrode layer. The first electrode layer comprises multiple horizontal electrode lines and multiple vertical electrode lines, and the multiple vertical electrode lines are arrayed on two sides of each horizontal electrode line in an array way. The insulation layer is used for covering the multiple horizontal electrode lines. The second electrode layer is located above the first electrode layer and the insulation layer, and comprises multiple connecting lines, wherein each connecting line is used for connecting two adjacent rows of vertical electrode lines. The invention also provides a formation method of the display panel, and a display device. According to the display panel, the formation method and the display device provided by the invention, the touch sensing line comprises multilayer electrodes which are arrayed in the array way (the same as the shape of a gate line and a data line around each pixel unit), and are high in touch flexibility and high in aperture ratio.

Description

A kind of display panel, display panel formation method and display device
Technical field
The present invention relates to technical field of touch-control display, particularly a kind of display panel, formation method and display device.
Background technology
Growing along with science and technology, the digital products such as mobile phone, personal digital assistant, notebook computer are towards future development convenient, multi-functional and attractive in appearance, wherein display screen is man-machine communication interface indispensable in these equipment, at present, the display screen of main flow mostly adopts lcd technology.On the other hand, along with fast development and the application of infotech, radio mobile communication and information household appliances, in order to reach more convenient, lighter and handier and more humane object, many information products are inputted by devices such as traditional keyboard or mouses, transfer to and use touch panel (Touch Panel) as input media, wherein, touch control type LCD device becomes main product.
Touch control display apparatus is mainly divided into: monolithic glass formula (one glass solution, OGS), glass cover-plate-conductive film-conductivity type thin film (glass-film-film, GFF), upper laminar (on cell) and nexine formula (in cell).Wherein, OGS touch control display apparatus on the cover glass (cover lens) of display device, directly forms tin indium oxide (indium tin oxide, ITO) conducting film, to play the double action of cover glass and touch sensible.In-cell touch control display apparatus is that the pixel be made in by touch-control sensing circuit on liquid crystal panel thin-film transistor array base-plate is inner, on-cell touch control display apparatus is then the top layer or the bottom that touch-control sensing circuit are made in color filter glass substrate, is that is made between color filter glass substrate and polaroid by touch-control sensing circuit or is made between color filter glass substrate and liquid crystal layer.Therefore, relative OGS touch screen, the induction line of in-cell and on-cell display device touch screen because being subject to the protection of base plate glass and safer, and is more convenient for realizing slimming and the lightweight of touch control display apparatus.
According to the principle of work of touch-control sensing layer in touch control display apparatus, touch control display apparatus can be divided into resistance-type, condenser type, infrared-type and surface acoustic wave type, optics etc. multiple, and wherein capacitive touch control display device is widely used in various electronic product due to the advantage such as its reaction velocity is fast, highly sensitive, of good reliability.
Fig. 1 is the cross-sectional view of the display device of prior art.As shown in Figure 1, the liquid crystal indicator 100 with touch controllable function comprises upper substrate 7, infrabasal plate 9 and the liquid crystal layer between upper substrate 7 and infrabasal plate 98.Concrete, the upper substrate 7 of liquid crystal indicator 100 comprises from top to bottom successively: polaroid 1, touch-control sensing layer 2, top glass substrate 3, black matrix" 4, colored filter (color filter, CF) 5 and both alignment layers 6.Wherein, touch-control sensing layer 2 comprises the drive wire and the line of induction that utilize ITO material to make.Drive wire and the line of induction are positioned at same layer, and drive wire and the line of induction constitute diamond structure.Because the resistance of ITO itself is larger, the touch-control effect that can affect touch-control sensing layer 2 with drive wire and the line of induction is made with ITO material, and constitute diamond structure due to drive wire and the line of induction, easy generation grating effect and lozenge, thus easily cause the touch-control sensitivity decrease of touch-control sensing layer 2, in addition drive wire and the line of induction constitute the aperture opening ratio that diamond structure also have impact on display panel, cause the problem that display panel aperture opening ratio is low.
Therefore, be necessary to provide the technical scheme of improvement to overcome problems of the prior art.
Summary of the invention
The main technical problem to be solved in the present invention is to provide a kind of touch-control highly sensitive and the display panel that aperture opening ratio is high, formation method and display device.
The invention provides a kind of display panel, described display panel comprises glass substrate and is positioned at the touch-control sensing circuit on described glass substrate, and described touch-control sensing circuit comprises the first electrode layer, insulation course and the second electrode lay.Described first electrode layer comprises many horizontal electrode lines and many vertical electrode lines, and described many vertical electrode lines are arranged in the both sides of every bar horizontal electrode line in the mode of array.Described insulation course is for covering described many horizontal electrode lines.Described the second electrode lay is positioned at the top of described first electrode layer and described insulation course, and described the second electrode lay comprises many connecting lines, and every bar connecting line is for connecting the vertical electrode line of adjacent rows.
In the preferred embodiment, described first electrode layer is made up of metal material.
In the preferred embodiment, described insulation course is also for covering the vertical electrode line being positioned at described every bar connecting line two ends.
In the preferred embodiment, described insulation course is made up of light-proof material.
In the preferred embodiment, described the second electrode lay is made up of indium tin oxide material.
The present invention also provides a kind of formation method of display panel, and the formation method of described display panel comprises the first electrode layer of the many vertical electrode lines forming the both sides comprising many horizontal electrode lines and be arranged in every bar horizontal electrode line in the mode of array; Form the insulation course covering described many horizontal electrode lines; And being positioned at the second electrode lay being formed above described first electrode layer and described insulation course and comprise many connecting lines, every bar connecting line is for connecting the vertical electrode line of adjacent rows.
In the preferred embodiment, described first electrode layer is made up of metal material.
In the preferred embodiment, described insulation course is also for covering the vertical electrode line being positioned at described every bar connecting line two ends.
In the preferred embodiment, described insulation course is made up of light-proof material.
In the preferred embodiment, described the second electrode lay is made up of indium tin oxide material.
The present invention also provides a kind of display device, and described display device comprises display panel.Described display panel comprises glass substrate and is positioned at the touch-control sensing circuit on described glass substrate, and described touch-control sensing circuit comprises the first electrode layer, insulation course and the second electrode lay.Described first electrode layer comprises many horizontal electrode lines and many vertical electrode lines, and described many vertical electrode lines are arranged in the both sides of every bar horizontal electrode line in the mode of array.Described insulation course is for covering described many horizontal electrode lines.Described the second electrode lay is positioned at the top of described first electrode layer and described insulation course, and described the second electrode lay comprises many connecting lines, and every bar connecting line is for connecting the vertical electrode line of adjacent rows.
The touch-control sensing circuit of display panel of the present invention, formation method and display device comprises multi-layered electrode, and multi-layered electrode is arranged in array (identical with the shape of the gate line around each pixel cell and data line), reduce the impact of grating effect and lozenge, touch-control is highly sensitive and aperture opening ratio is high.
By the detailed description below with reference to accompanying drawing, other side of the present invention and feature become obvious.But it should be known that accompanying drawing is only the object design of explanation, instead of as the restriction of the scope of the invention, this is because it should with reference to additional claim.Should also be appreciated that, unless otherwise noted, unnecessaryly draw accompanying drawing to scale, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of display device in prior art.
Fig. 2 is the planar structure schematic diagram of the touch-control sensing circuit of an embodiment of the present invention.
Fig. 3 is the cross-sectional view in the touch induction lines curb III direction of first embodiment of the invention.
Fig. 4 is the schematic flow sheet of the touch-control sensing circuit formation method of first embodiment of the invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Fig. 2 is the planar structure schematic diagram of the touch-control sensing circuit of an embodiment of the present invention, and Fig. 3 is the cross-sectional view in the touch induction lines curb III direction of first embodiment of the invention.Please refer to Fig. 2 and Fig. 3, touch-control sensing circuit comprises the first electrode layer 10, insulation course 20 and the second electrode lay 30.First electrode layer 10 comprises many horizontal electrode lines 101 and many vertical electrode lines 102.
Wherein, many vertical electrode lines 102 are arranged in the both sides of every bar horizontal electrode line 101 in the mode of array, that is, many vertical electrode line 102 is divided into multiple row vertical electrode line 102 and multirow vertical electrode line 102, is provided with a horizontal electrode line 101 between every adjacent rows vertical electrode line 102.Insulation course 20 is for covering many horizontal electrode lines 101.The second electrode lay 30 is positioned at the top of the first electrode layer 10 and insulation course 20, and the second electrode lay 30 comprises many connecting lines, and every bar connecting line is for connecting the vertical electrode line 102 of adjacent rows.
Wherein, the first electrode layer 10, insulation course 20 and the second electrode lay 30 are all positioned on glass substrate 40.In an embodiment of the present invention, glass substrate is colored filter (CF) glass substrate 40.Touch-control sensing circuit is produced on color filter glass substrate 40 after colored filter on color filter glass substrate 40 and black matrix are formed.In other embodiments, also can be produced on color filter glass substrate 40 before colored filter (not shown) on color filter glass substrate 40 and black matrix (not shown) are formed, be not particularly limited at this.
Wherein, many horizontal electrode lines 101 constitute induced electricity polar curve, and many connecting lines and many vertical electrode lines 102 constitute drive electrode line.In an embodiment of the present invention, every four horizontal electrode lines 101 are composed in series one group of induced electricity polar curve mutually, and the connecting line that every three row three arrange and the vertical electrode line 102 that three row three be attached thereto arrange form one group of drive electrode line.But the present invention is not as limit.
In an embodiment of the present invention, the first electrode layer 10 is made up of metal material, to reduce resistance, thus increases the sensitivity of touch-control sensing circuit.
In an embodiment of the present invention, insulation course 20 is also for covering the vertical electrode line 102 being positioned at every bar connecting line two ends, that is, insulation course 20 is also for covering the vertical electrode line 102 be exposed to outside connecting line, be corroded to avoid vertical electrode line 102 to be directly exposed in air, and affect its touch-control effect.
In an embodiment of the present invention, insulation course 20 is made up of light-proof material, with while playing insulating effect, can also play interception.
In an embodiment of the present invention, the second electrode lay 30 is made up of indium tin oxide material.Certainly it will be appreciated by those skilled in the art that as the second electrode lay 30 also can be made up of other conductive material such as metal material.
In an embodiment of the present invention, in order to not affect its transmittance, touch-control sensing circuit is positioned at the position corresponding with black matrix" (not shown), and namely the first electrode layer 10, insulation course 20 and the second electrode lay 30 are all positioned at above black matrix".
Fig. 4 is the schematic flow sheet of the touch-control sensing circuit formation method of first embodiment of the invention.Please also refer to Fig. 3 and Fig. 4, the formation method of display panel comprises:
First, step S41 is entered: the first electrode layer 10 forming the many vertical electrode lines 102 comprising many horizontal electrode lines 101 and be arranged in every bar horizontal electrode line 101 both sides in the mode of array;
Concrete, first, the first electrode layer 10 is covered on glass substrate 40; Secondly, first optical cover process is utilized to form the first electrode layer 10 of patterning to the glass substrate 40 covering the first electrode layer 10.
In the present embodiment, many horizontal electrode lines 101 and many vertical electrode lines 102 are made up of metal material (as molybdenum or aluminium) etc.
Secondly, step S42 is entered: form the insulation course 20 covering many horizontal electrode lines;
Concrete, first, insulation course 20 is covered on the glass substrate 40 of the first electrode layer 10 covering patterning; Secondly, second optical cover process is utilized to form the insulation course 20 of patterning to the glass substrate 40 covering the first electrode layer 10 and insulation course 20.
Again, enter step S43: be positioned at the second electrode lay 30 being formed above the first electrode layer 10 and insulation course 20 and comprise many connecting lines, every bar connecting line is for connecting the vertical electrode line 102 of adjacent rows;
Concrete, first, the second electrode lay 30 is covered in and covers on the first electrode layer 10 of patterning and the glass substrate 40 of insulation course 20; Secondly, the 3rd road optical cover process is utilized to form the second electrode lay 30 of patterning to glass substrate 40.
The present invention also provides a kind of display device, display device comprises display panel, display panel comprises glass substrate and is positioned at the touch-control sensing circuit as shown in Figure 2 on glass substrate, and touch-control sensing circuit comprises the first electrode layer 10, the second electrode lay 30 and insulation course 20.First electrode layer 10 comprises many horizontal electrode lines 101 and many vertical electrode lines 102, and many vertical electrode lines 102 are arranged in the both sides of every bar horizontal electrode line 101 in the mode of array; Insulation course 20 is for covering many horizontal electrode lines 101; The second electrode lay 30 is positioned at the top of the first electrode layer 10 and insulation course 20, and the second electrode lay 30 comprises many connecting lines, and every bar connecting line is for connecting the vertical electrode line 102 of adjacent rows.
The touch-control sensing circuit of display panel of the present invention, method for making and display device comprises multi-layered electrode, and multi-layered electrode is arranged in array (identical with the shape of the gate line around each pixel cell and data line), reduce the impact of grating effect and lozenge, can touch-control highly sensitive and aperture opening ratio is high.
Apply specific case herein to set forth the embodiment that cut removing method of the present invention and cut eliminate system, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention; all will change in specific embodiments and applications; to sum up, this description should not be construed as limitation of the present invention, and protection scope of the present invention should be as the criterion with appended claim.

Claims (10)

1. a display panel, described display panel comprises glass substrate and is positioned at the touch-control sensing circuit on described glass substrate, it is characterized in that, described touch-control sensing circuit comprises:
First electrode layer, comprises many horizontal electrode lines and many vertical electrode lines, and described many vertical electrode lines are arranged in the both sides of every bar horizontal electrode line in the mode of array;
Insulation course, for covering described many horizontal electrode lines; And
The second electrode lay, be positioned at the top of described first electrode layer and described insulation course, described the second electrode lay comprises many connecting lines, and every bar connecting line is for connecting the vertical electrode line of adjacent rows.
2. display panel as claimed in claim 1, it is characterized in that, described first electrode layer is made up of metal material.
3. display panel as claimed in claim 2, it is characterized in that, described insulation course is also for covering the vertical electrode line being positioned at described every bar connecting line two ends.
4. display panel as claimed in claim 1, it is characterized in that, described insulation course is made up of light-proof material.
5. display panel as claimed in claim 1, it is characterized in that, described the second electrode lay is made up of indium tin oxide material.
6. a formation method for display panel, is characterized in that, the formation method of described display panel comprises:
Form the first electrode layer of many vertical electrode lines of the both sides comprising many horizontal electrode lines and be arranged in every bar horizontal electrode line in the mode of array;
Form the insulation course covering described many horizontal electrode lines; And
Be positioned at the second electrode lay being formed above described first electrode layer and described insulation course and comprise many connecting lines, every bar connecting line is for connecting the vertical electrode line of adjacent rows.
7. display panel as claimed in claim 6, it is characterized in that, described first electrode layer is made up of metal material.
8. the formation method of display panel as claimed in claim 7, it is characterized in that, described insulation course is also for covering the vertical electrode line being positioned at every bar connecting line two ends.
9. display panel as claimed in claim 1, it is characterized in that, described insulation course is made up of light-proof material, and described the second electrode lay is made up of indium tin oxide material.
10. a display device, is characterized in that, comprises the display panel as described in claim 1 to 5 any one.
CN201510053648.XA 2015-02-02 2015-02-02 A kind of display panel, display panel forming method and display device Active CN104597672B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106648248A (en) * 2016-12-28 2017-05-10 昆山龙腾光电有限公司 Touch induction device and touch control equipment
WO2018119881A1 (en) * 2016-12-26 2018-07-05 武汉华星光电技术有限公司 Touch-control electrode and method for fabricating same
CN111158526A (en) * 2019-12-30 2020-05-15 上海天马有机发光显示技术有限公司 Touch display substrate, organic electroluminescent display panel and display device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581843A (en) * 2008-05-13 2009-11-18 奇信电子股份有限公司 Touch control signal transmitting circuit for touching and controlling display
CN101644981A (en) * 2008-08-07 2010-02-10 奇信电子股份有限公司 Optical display with touch control function
CN103792711A (en) * 2014-01-14 2014-05-14 京东方科技集团股份有限公司 Touch display panel and manufacturing method thereof
US20150009426A1 (en) * 2013-07-05 2015-01-08 Superc-Touch Corporation In-cell touch panel structure of narrow border

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581843A (en) * 2008-05-13 2009-11-18 奇信电子股份有限公司 Touch control signal transmitting circuit for touching and controlling display
CN101644981A (en) * 2008-08-07 2010-02-10 奇信电子股份有限公司 Optical display with touch control function
US20150009426A1 (en) * 2013-07-05 2015-01-08 Superc-Touch Corporation In-cell touch panel structure of narrow border
CN103792711A (en) * 2014-01-14 2014-05-14 京东方科技集团股份有限公司 Touch display panel and manufacturing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018119881A1 (en) * 2016-12-26 2018-07-05 武汉华星光电技术有限公司 Touch-control electrode and method for fabricating same
CN106648248A (en) * 2016-12-28 2017-05-10 昆山龙腾光电有限公司 Touch induction device and touch control equipment
CN106648248B (en) * 2016-12-28 2020-06-12 昆山龙腾光电股份有限公司 Touch sensing device and touch control equipment
CN111158526A (en) * 2019-12-30 2020-05-15 上海天马有机发光显示技术有限公司 Touch display substrate, organic electroluminescent display panel and display device

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