CN103760706A - Liquid crystal display panel and preparation method thereof - Google Patents
Liquid crystal display panel and preparation method thereof Download PDFInfo
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- CN103760706A CN103760706A CN201410005204.4A CN201410005204A CN103760706A CN 103760706 A CN103760706 A CN 103760706A CN 201410005204 A CN201410005204 A CN 201410005204A CN 103760706 A CN103760706 A CN 103760706A
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- touch
- conducting wire
- wire layer
- connectivity port
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Abstract
The invention provides a liquid crystal display panel comprising a touch sensing module and a display module. The touch sensing module comprises a first conducting circuit layer, the display module comprises a second conducting circuit layer, the liquid crystal display panel further comprises a flexible printed circuit board, the first conducting circuit layer comprises a touch message connection port, the second conducting circuit layer comprises an image information connection port, the touch message connection port is connected to the second conducting circuit layer in a lead manner, the image information connection port is electrically connected with the flexible printed circuit board, and the touch message connection port and the image information connection port are jointly electrically connected to the flexible printed circuit board. Dual functions of touch and display can be realized by one-time FOG (FPC on glass) lamination on a lower substrate, manufacture procedures are simplified, production yield and mass productivity are improved, and poor display of the display panel due to twice FOG binding in adjacent areas of the lower substrate of the display panel is avoided.
Description
Technical field
The present invention relates to liquid crystal indicator, more particularly, relate to a kind of display panels and preparation method thereof.
Background technology
The on-cell display panels occurring on existing market comprises touch-control sensing module and display module, concrete technology for crossing last layer touch sensing layer on the colored filter of former display panels, when finger touch is surperficial to display panels, touch sensing layer detects the finger touch change of electric capacity afterwards by conducting wire (ITO circuit), and then complete the identification of touching control position, and display panels needs first to bind one for transmitting the flexible circuit board of display pattern information on the infrabasal plate of display panels for complete induction and display pattern simultaneously, then on upper substrate, bind one for transmitting the flexible circuit board of touch sensitive message.
Fig. 1 shows the structure of display panels in prior art, the display module of this display panel comprises upper substrate 1 and infrabasal plate 2, upper substrate 1 has the first conducting wire layer (not shown) that touches message for transmitting, and infrabasal plate has for transmitting the second conducting wire layer (not shown) of display pattern.Fig. 2 shows the structure of display panels connection flexible circuit board in prior art, the upper substrate 1 of this display panel is bound one for transmitting the flexible circuit board 3 of touch sensitive message, infrabasal plate 2 one of binding are all connected with external control integrated circuit for transmitting 4, two flexible circuit board of flexible circuit board (FPC) connector of display pattern information.Therefore need to carry out respectively FOG(FPC ON GLASS one time at upper substrate and infrabasal plate) pressing.FOG production technology is by anisotropy conductiving glue, flexible circuit board (FPC) is bonding with corresponding conducting wire layer, and hot pressing realizes respectively upper substrate and infrabasal plate conducting wire layer separately and corresponding flexible circuit board electrically conducting under certain temperature, pressure and time.Twice FOG processing procedure removed outside processing procedure itself bad, same substrate can carry out in adjacent position twice FOG pressing also easily the liquid crystal molecule of damaged substrate inside cause that display panel shows the problem of turning white, this kind of way yields is difficult to improve.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of display panels and preparation method thereof is provided, and overcoming needs to carry out twice FOG pressing above the same substrate that prior art exists and cause the defect that Display panel is bad, yields is low.
In display panels provided by the invention, comprise touch-control sensing module and display module, described touch-control sensing module comprises for transmitting the first conducting wire layer of touch-control message, described display module comprises for transmitting the second conducting wire layer of image information, described display panels also includes a flexible circuit board, described the first conducting wire layer comprises touch-control message connectivity port, described the second conducting wire layer comprises image information connectivity port, described touch-control message connectivity port is drawn and is received described the second conducting wire layer, described image information connectivity port is electrically connected to described flexible circuit board, described touch-control message connectivity port and described image information connectivity port are electrically connected to described flexible circuit board jointly.
In display panels provided by the invention, described touch-control message connectivity port is electrically connected to described the second conducting wire layer by nano indium tin metal oxide circuit.
In display panels provided by the invention, described nano indium tin metal oxide link tester is crossed sputtering method and is attached to described display panels outside surface.
In display panels provided by the invention, described touch-control message connectivity port is starched line by silver and is electrically connected to described the second conducting wire layer.
In display panels provided by the invention, described display module comprises upper substrate and infrabasal plate, described touch-control sensing module is fitted in the outside surface of described upper substrate, described infrabasal plate comprises connecting portion, on the edge of the close described connecting portion of described upper substrate, be provided with at least one row's via, described silver slurry line is contained at described via inner.
In display panels provided by the invention, described connecting portion is covered with the anisotropy conductiving glue for making described image information connectivity port be electrically connected to described flexible circuit board after pressing.
In display panels provided by the invention, the diameter of described via is 15 μ m-25 μ m, and described via is equally spaced to be evenly distributed on the described edge of described upper substrate.
The present invention also provides a kind of preparation method of display panels, and described method comprises the steps:
S1: touch-control sensing module and the display module of laminating are provided, and described touch-control sensing module comprises the first conducting wire layer that transmits touch-control message, and described display module comprises the second conducting wire layer of upper substrate, infrabasal plate and transmission image information;
S2: the touch-control message connectivity port of described the first conducting wire layer is drawn and received described the second conducting wire layer;
S3: flexible circuit board is connected conducting with image information connectivity port.
In the preparation method of display panels provided by the invention, described step S2 further comprises: described touch-control message connectivity port is drawn and received described the second conducting wire layer by nano indium tin metal oxide circuit or silver slurry line.
In the preparation method of display panels provided by the invention, described step S3 further comprises: on the connecting portion of described infrabasal plate, attach anisotropy conductiving glue, the positioning datum point of described second layer electric line layer and the positioning datum point of described flexible circuit board are set, after the described second positioning datum point of conducting wire layer and the positioning datum point of described flexible circuit board are aimed at, by pressing, the conducting particles of described anisotropy conductiving glue inside is broken realize described flexible circuit board to be connected conducting with described image information connectivity port.
Beneficial effect of the present invention is, changed the separated mode of the second conducting wire layer of the first conducting wire layer and the infrabasal plate of existing upper substrate, realize the first conducting wire layer and be connected conducting with the second conducting wire layer, with regard to only need carry out a FOG pressing on infrabasal plate, can realize touch-control and show dual-use function like this, not only simplified processing procedure and improved the yields of producing and can production, and avoided showing bad because the infrabasal plate adjacent area at display panel carries out the display panel that twice FOG binding cause.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only one embodiment of the present of invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of display panels in prior art;
Fig. 2 is the structural representation that in prior art, display panels connects flexible circuit board;
Fig. 3 is the Facad structure schematic diagram of the display panels of preferred embodiment of the present invention;
Fig. 4 is the structural representation that the display panels of preferred embodiment of the present invention connects flexible circuit board;
Fig. 5 is the preparation method's of display panels of the present invention process flow diagram.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Known in conjunction with Fig. 1 and Fig. 2, the display module of existing display panels comprises upper substrate 1 and infrabasal plate 2, wherein, between upper substrate 1 and infrabasal plate 2, be sealed with liquid crystal layer (not shown), upper substrate 1 and infrabasal plate 2 have respectively the first conducting wire layer (not shown) and the second conducting wire layer (not shown).Conducting wire layer is also referred to as ITO line layer, with nano indium tin metal oxide (Indium Tin Oxides, ITO) be material, have good electric conductivity and the transparency, the first conducting wire layer and the second conducting wire layer are respectively by formation such as sputtering method, chemical etchings.
In order to solve the same substrate existing in prior art, in adjacent position, carry out FOG(FPC ON GLASS twice, the conducting wire layer that is upper substrate and infrabasal plate is connected conducting with flexible circuit board) pressing, the liquid crystal molecule that is easy to damaged substrate inside causes that display panel shows the problem of turning white.Upper substrate 1 comprises two surfaces, first surface is the outside surface of upper substrate 1, and second surface is upper substrate 1 and infrabasal plate 2 coating surfaces, like the prior art, touch-control sensing module of the present invention is fitted on first surface, so the first conducting wire layer is also positioned on the first surface of upper substrate 1.Infrabasal plate 2 also comprises two surfaces: the 3rd surface and the 4th surface.The 3rd surface is infrabasal plate 2 and upper substrate 1 coating surface, and the 4th surface is the lower surface of infrabasal plate 2, and like the prior art, the second conducting wire layer of transmission image information of the present invention is positioned on the 3rd surface.
Innovative point of the present invention is: the separated mode of the second conducting wire layer that changes the first conducting wire layer and the infrabasal plate of existing upper substrate, described the first conducting wire layer comprises touch-control message connectivity port, described the second conducting wire layer comprises image information connectivity port, the first conducting wire layer is connected with control module by same flexible circuit board with the second conducting wire layer, be that touch-control message connectivity port and image information connectivity port share same flexible circuit board, realizing touch-control message is connected with control module by same flexible circuit board with image information, so only need carry out a FOG pressing can realize touch-control and show dual-use function, not only simplify processing procedure and improved the yield produced and can production, and avoided causing that because carry out twice FOG pressing at display panel adjacent area display panel shows bad problem.Fig. 3 shows the Facad structure into the display panels of preferred embodiment of the present invention, upper substrate 1 comprises glue frame region 7 and viewing area (region that figure bend represents) with the congruent region of infrabasal plate 2, the forming process in this glue frame region is: before upper substrate and infrabasal plate laminating, surrounding at infrabasal plate is first printed glue frame, again upper substrate and infrabasal plate are fitted tightly, this glue frame not only can allow upper substrate and the infrabasal plate close adhesion of display panel, and the liquid crystal layer in can insulation panel contacts with extraneous, within liquid crystal layer frame is limited to panel, prevent that liquid crystal from overflowing.Infrabasal plate 2 also includes connecting portion 6 simultaneously, connecting portion 6 is the raised zones that infrabasal plate 2 is compared upper substrate 1, because infrabasal plate 2 is larger than upper substrate 1, being connected on connecting portion 6 between display panels and control module carried out, and the FOG that conducting wire layer is connected conducting with flexible circuit board is pressed together on connecting portion 6 and carries out.
Preferably, the touch-control message connectivity port of the first conducting wire layer is drawn and received on the second conducting wire layer, realize being connected of touch-control message connectivity port and the second conducting wire layer, the structure that connects flexible circuit board in conjunction with display panels in Fig. 4 is known, only image information connectivity port need be realized and being connected with flexible circuit board, can realize the first conducting wire layer and the second conducting wire layer is electrically connected to flexible circuit board jointly, by same flexible circuit board, be connected with control module.
Owing to being spaced a distance between the first conducting wire layer and the second conducting wire layer, want to realize being electrically connected between the first conducting wire layer and the second conducting wire layer, must the touch-control message connectivity port of the first conducting wire layer and the second conducting wire layer be coupled together by wire.
Preferably, the touch-control message connectivity port of the first conducting wire layer is realized and being connected by ITO circuit with the electrical connection between the second conducting wire layer, this ITO circuit is along the outside surface of display panels, from touch-control message connectivity port, extend to the second conducting wire layer, touch-control message connectivity port is connected on the second conducting wire layer, makes like this being connected by same flexible circuit board between the touch-control message connectivity port of the first conducting wire layer and the image information connectivity port of the second conducting wire layer and control module realize.Preferred, the ITO link tester of connection touch-control message connectivity port and the second conducting wire layer is crossed sputtering method and is attached to display panels outside surface.
Preferably, electrical connection between the touch-control message connectivity port of the first conducting wire layer and the second conducting wire layer is starched line by silver and is realized and being connected, this silver slurry line one end connects control message connectivity port, the other end connects the second conducting wire layer, touch-control message is connected to the second conducting wire layer from touch-control message connectivity port, makes like this being connected by same flexible circuit board between the touch-control message connectivity port of the first conducting wire layer and the image information connectivity port of the second conducting wire layer and control module realize.
Preferably, the silver slurry line that connects touch-control message connectivity port and the second conducting wire layer is contained in via 9 inside, via 9 is arranged on the edge of close connecting portion 6 of upper substrate 1, on this edge, be provided with at least one row's via, fully to realize being connected of touch-control message connectivity port and image information connectivity port.The diameter of each via is 15 μ m-25 μ m, and every row's via is not in the situation that destroy the quantity that it is suitable that the compressive strength of upper substrate 1 distributes.Preferred, every row's via is equidistantly uniformly distributed.
Preferably, on connecting portion 6, be pasted with anisotropy conductiving glue.The positioning datum point (MARK point) of the second conducting wire layer and the positioning datum point of flexible circuit board are set, the positioning datum point of the second conducting wire layer is aimed at the positioning datum point of flexible circuit board 10, because anisotropy conductiving glue is clipped between flexible circuit board 10 and the second conducting wire layer, by pressing, make the conducting particles of anisotropy conductiving glue inside break and the circuit of flexible circuit board 10 is connected to conducting with the image information connectivity port of the second conducting wire layer.Because there are a lot of granular conduction geodes anisotropy conductiving glue inside, the inner silver slurry of filling of conduction geode waits compound, the image information connectivity port that connects device 10 and the second conducting wire layer at flexible circuit board circuit is during in pressing, pressing after reaching certain temperature and pressure crushes conductive particle, after breaking, conductive particle just can realize upper and lower conducting and the feature of not conducting of horizontal direction, realized flexible circuit board 10 has been connected to conducting with image information connectivity port, completed the FOG binding on infrabasal plate, realizing the first conducting wire layer is connected with control module by same flexible circuit board with the second conducting wire layer.
The present invention also provides a kind of preparation method of display panels, and Fig. 5 shows the preparation method's of display panels of the present invention process flow diagram, specifically comprises the steps:
S1: touch-control sensing module and the display module of laminating are provided, and described touch-control sensing module comprises the first conducting wire layer that transmits touch-control message, and described display module comprises the second conducting wire layer of upper substrate, infrabasal plate and transmission image information;
S2: the touch-control message connectivity port of described the first conducting wire layer is drawn and received described the second conducting wire layer;
S3: flexible circuit board is connected conducting with image information connectivity port.
In step S1, the touch-control sensing module of laminating and display module are on-cell display panels of the prior art
In step S2, the touch-control message connectivity port of the first conducting wire layer is electrically connected to the second conducting wire layer by nano indium tin metal oxide circuit (ITO circuit), and ITO link tester is crossed sputtering method and is attached to display panels outside surface.This ITO circuit, along the outside surface of display panels, extends to image information connectivity port from touch-control message connectivity port, and touch-control message is connected to the second conducting wire layer from touch-control message connectivity port.
Or, touch-control message connectivity port is starched line by silver and is electrically connected to the second conducting wire layer, this silver slurry line one end connects touch-control message connectivity port, the other end connects the second conducting wire layer, touch-control message is connected to the second conducting wire layer from touch-control message connectivity port, makes like this being connected by same flexible circuit board between the touch-control message connectivity port of the first conducting wire layer and the image information connectivity port of the second conducting wire layer and control module realize.Above-mentioned silver slurry line is contained in via, and shown in Fig. 3, via 9 is arranged on the edge of close connecting portion 6 of upper substrate 1.
In step S3, on the connecting portion of infrabasal plate, attach anisotropy conductiving glue, the positioning datum point of second layer electric line layer and the positioning datum point of flexible circuit board are set, after the second positioning datum point of conducting wire layer and the positioning datum point of flexible circuit board are aimed at, by pressing, the conducting particles of anisotropy conductiving glue inside is broken realize flexible circuit board to be connected conducting with the image information connectivity port of the second conducting wire layer.
Claims (10)
1. a display panels, comprise touch-control sensing module and display module, described touch-control sensing module comprises for transmitting the first conducting wire layer of touch-control message, described display module comprises for transmitting the second conducting wire layer of image information, it is characterized in that, described display panels also includes a flexible circuit board, described the first conducting wire layer comprises touch-control message connectivity port, described the second conducting wire layer comprises image information connectivity port, described touch-control message connectivity port is drawn and is received described the second conducting wire layer, described image information connectivity port is electrically connected to described flexible circuit board, described touch-control message connectivity port and described image information connectivity port are electrically connected to described flexible circuit board jointly.
2. display panels according to claim 1, is characterized in that, described touch-control message connectivity port is electrically connected to described the second conducting wire layer by nano indium tin metal oxide circuit.
3. display panels according to claim 2, is characterized in that, described nano indium tin metal oxide link tester is crossed sputtering method and is attached to described display panels outside surface.
4. display panels according to claim 1, is characterized in that, described touch-control message connectivity port is starched line by silver and is electrically connected to described the second conducting wire layer.
5. display panels according to claim 4, it is characterized in that, described display module comprises upper substrate and infrabasal plate, described touch-control sensing module is fitted in the outside surface of described upper substrate, described infrabasal plate comprises connecting portion, on the edge of the close described connecting portion of described upper substrate, be provided with at least one row's via, described silver slurry line is contained at described via inner.
6. display panels according to claim 5, is characterized in that, described connecting portion is covered with the anisotropy conductiving glue for making described image information connectivity port be electrically connected to described flexible circuit board after pressing.
7. display panels according to claim 6, is characterized in that, the diameter of described via is 15 μ m-25 μ m, and described via is equally spaced to be evenly distributed on the described edge of described upper substrate.
8. a preparation method for display panels, is characterized in that, described method comprises the steps:
S1: touch-control sensing module and the display module of laminating are provided, and described touch-control sensing module comprises the first conducting wire layer that transmits touch-control message, and described display module comprises the second conducting wire layer of upper substrate, infrabasal plate and transmission image information;
S2: the touch-control message connectivity port of described the first conducting wire layer is drawn and received described the second conducting wire layer;
S3: flexible circuit board is connected conducting with image information connectivity port.
9. preparation method according to claim 8, is characterized in that, described step S2 further comprises: described touch-control message connectivity port is drawn and received described the second conducting wire layer by nano indium tin metal oxide circuit or silver slurry line.
10. preparation method according to claim 8, it is characterized in that, described step S3 further comprises: on the connecting portion of described infrabasal plate, attach anisotropy conductiving glue, the positioning datum point of described second layer electric line layer and the positioning datum point of described flexible circuit board are set, after the described second positioning datum point of conducting wire layer and the positioning datum point of described flexible circuit board are aimed at, by pressing, the conducting particles of described anisotropy conductiving glue inside is broken realize described flexible circuit board to be connected conducting with described image information connectivity port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410005204.4A CN103760706B (en) | 2014-01-06 | 2014-01-06 | A kind of display panels and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410005204.4A CN103760706B (en) | 2014-01-06 | 2014-01-06 | A kind of display panels and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103760706A true CN103760706A (en) | 2014-04-30 |
| CN103760706B CN103760706B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410005204.4A Expired - Fee Related CN103760706B (en) | 2014-01-06 | 2014-01-06 | A kind of display panels and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703663A (en) * | 2017-09-26 | 2018-02-16 | 张家港康得新光电材料有限公司 | The changeable panels of 2D/3D and display device |
| CN111929938A (en) * | 2020-08-27 | 2020-11-13 | 上海创功通讯技术有限公司 | Display panel, display device and manufacturing method of display panel |
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| US20130161177A1 (en) * | 2011-12-21 | 2013-06-27 | Samsung Electro-Mechanics Co., Ltd. | Touch panel |
| US20130229383A1 (en) * | 2008-02-05 | 2013-09-05 | Au Optronics Corp. | Sensing Structure of a Display |
| CN103294307A (en) * | 2013-05-09 | 2013-09-11 | 晟光科技股份有限公司 | Improved method for manufacturing OGS (one glass solution) touch screen |
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2014
- 2014-01-06 CN CN201410005204.4A patent/CN103760706B/en not_active Expired - Fee Related
Patent Citations (5)
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|---|---|---|---|---|
| US20130229383A1 (en) * | 2008-02-05 | 2013-09-05 | Au Optronics Corp. | Sensing Structure of a Display |
| CN101236311A (en) * | 2008-02-14 | 2008-08-06 | 友达光电股份有限公司 | LCD device sensing structure |
| CN101615088A (en) * | 2008-06-23 | 2009-12-30 | 瑞鼎科技股份有限公司 | Induction installation and comprise the display system of induction installation |
| US20130161177A1 (en) * | 2011-12-21 | 2013-06-27 | Samsung Electro-Mechanics Co., Ltd. | Touch panel |
| CN103294307A (en) * | 2013-05-09 | 2013-09-11 | 晟光科技股份有限公司 | Improved method for manufacturing OGS (one glass solution) touch screen |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107703663A (en) * | 2017-09-26 | 2018-02-16 | 张家港康得新光电材料有限公司 | The changeable panels of 2D/3D and display device |
| CN111929938A (en) * | 2020-08-27 | 2020-11-13 | 上海创功通讯技术有限公司 | Display panel, display device and manufacturing method of display panel |
| CN111929938B (en) * | 2020-08-27 | 2023-07-21 | 上海创功通讯技术有限公司 | Display panel, display device and manufacturing method of display panel |
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| CN103760706B (en) | 2016-08-17 |
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