CN104020592A - Touch liquid crystal display panel - Google Patents
Touch liquid crystal display panel Download PDFInfo
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- CN104020592A CN104020592A CN201310063191.1A CN201310063191A CN104020592A CN 104020592 A CN104020592 A CN 104020592A CN 201310063191 A CN201310063191 A CN 201310063191A CN 104020592 A CN104020592 A CN 104020592A
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Abstract
Disclosed is a touch liquid crystal display panel. According to one embodiment, the liquid crystal display panel comprises a thin film transistor array substrate, a color light filter substrate and a touch sensing layer. The thin film transistor array substrate comprises a plurality of pixel units. The color light filter substrate is arranged on the thin film transistor array substrate and comprises a transparent substrate, a color light filter and a transparent conducting layer. The transparent conducting layer is arranged between the transparent substrate and the color light filter and is electrically connected to reference voltage. According to the other embodiment, the liquid crystal display panel comprises the thin film transistor array substrate, the touch sensing layer, another color light filter substrate and another transparent conducting layer, wherein the transparent conducting layer is arranged between the touch sensing layer and the color light filter substrate and is electrically connected to reference voltage.
Description
Technical field
The present invention relates to a kind of touch control LCD (Liquid Crystal Display) panel, particularly relate to a kind of touch-control sensing effect of avoiding by the touch control LCD (Liquid Crystal Display) panel of panel noise.
Background technology
In recent years, frivolous flat-panel screens has become the widely used display of various electronic products.In order to reach the succinct and multi-functional object of ease of use, outward appearance, many information products, by traditional input media such as keyboard or mouse, change into and use contact panel (Touch Panel) as input media.
Along with the technology fast development of flat-panel screens and touch-control input device, for under limited volume, allow user have larger viewable pictures and operator scheme is more easily provided, some electronic product is combined contact panel with display panel, and forms touch-control display panel.Because touch-control display panel has the Presentation Function of display panel concurrently, and the convenience of contact panel input operation, therefore, touch-control display panel has become many electronic products gradually, as palm PC (handheld PC), personal digital assistant (Personal Digital Assistance; Or the important outfit of the product such as smart mobile phone (smart phone) PDA).
The principle of operation of contact panel is, for example, in the time that a conductor object (finger) touches the touch-control sensing array of contact panel, the electrical specification (for example resistance value or capacitance) of touch-control sensing array is understood along with change, and causes the bias voltage of touch-control sensing array to change.Change in this electrical specification can be converted to control signal and be sent on outside control circuit board, and carries out data processing union via processor and obtain a result.Then, then export a display to display panel by external control circuit plate, and via display panel by image display before user.
In current liquid crystal panel, panel circuit operates the noise producing and is easy to be coupled in touch-control sensing array, and makes touch-control sensing poor effect.Therefore, need a kind of touch control LCD (Liquid Crystal Display) panel, it can avoid noise coupling to touch-control sensing array, so that user to be provided preferably touch-control sensing effect.
Summary of the invention
An aspect of of the present present invention is to provide a kind of touch control LCD (Liquid Crystal Display) panel, and it is to provide screen layer between touch-control sensing layer and colored filter substrate, and the noise being produced with shielding panel circuit operation avoids noise coupling to the sensing array in touch-control sensing layer.
According to one embodiment of the invention, touch control LCD (Liquid Crystal Display) panel comprises thin-film transistor array base-plate, colored filter substrate and touch-control sensing layer.Colored filter substrate is arranged on thin-film transistor array base-plate, and wherein colored filter substrate comprises the first transparency carrier, multiple colored filter and transparency conducting layer.The first transparency carrier has first surface and second surface, and wherein first surface is with respect to second surface.Colored filter is arranged on the first surface of the first transparency carrier.Transparency conducting layer is arranged between the first transparency carrier and colored filter, and is electrically connected to reference voltage.Touch-control sensing layer is arranged on the second surface of the first transparency carrier.
According to another embodiment of the present invention, touch control LCD (Liquid Crystal Display) panel comprises thin-film transistor array base-plate, colored filter substrate, touch-control sensing layer and electrically conducting transparent glue-line.Colored filter substrate is arranged on thin-film transistor array base-plate, and wherein colored filter substrate comprises the first transparency carrier and multiple colored filter.The first transparency carrier has first surface and second surface, and wherein first surface is with respect to second surface.Colored filter is arranged on the first surface of the first transparency carrier.Touch-control sensing layer is arranged on the second surface of the first transparency carrier.Electrically conducting transparent glue-line is arranged between touch-control sensing layer and colored filter substrate, and is electrically connected to reference voltage.
As shown in the above description, the touch control LCD (Liquid Crystal Display) panel of the embodiment of the present invention is to utilize transparency conducting layer or electrically conducting transparent glue-line that shield effectiveness is provided, so can avoid the noise coupling of panel to touch-control sensing array, so that user to be provided preferably touch-control sensing effect.
Brief description of the drawings
For above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by several preferred embodiments, and coordinate institute's accompanying drawing, be described in detail below:
Fig. 1 is the cross-sectional view illustrating according to the touch control LCD (Liquid Crystal Display) panel of the embodiment of the present invention.
Fig. 2 is the cross-sectional view illustrating according to the touch control LCD (Liquid Crystal Display) panel of the embodiment of the present invention.
Fig. 3 is the cross-sectional view illustrating according to the touch control LCD (Liquid Crystal Display) panel of the embodiment of the present invention.
Fig. 4 is the cross-sectional view illustrating according to the touch control LCD (Liquid Crystal Display) panel of the embodiment of the present invention.
Embodiment
Please refer to Fig. 1, it is the cross-sectional view illustrating according to the touch control LCD (Liquid Crystal Display) panel 100 of the embodiment of the present invention.Touch control LCD (Liquid Crystal Display) panel 100 comprises thin-film transistor array base-plate 110, colored filter substrate 120, touch-control sensing layer 130, cover sheet (cover lens) 140, liquid crystal layer 150 and frame glue-line 160.Thin-film transistor array base-plate 110 comprises multiple pixel cells (not illustrating), and each pixel cell comprises the element such as transistor switch, pixel electrode, controls the arrangement mode of the liquid crystal molecule of liquid crystal layer 150 sequentially to receive image data signal.Frame glue-line 160 is arranged between colored filter substrate 120 and thin-film transistor array base-plate 110, to bind colored filter substrate 120 and thin-film transistor array base-plate 110, and prevents that the liquid crystal molecule of liquid crystal layer 150 from outflowing.
Colored filter substrate 120 is arranged on thin-film transistor array base-plate 110, and comprises transparency carrier 122, multiple colored filter 124, transparency conducting layer 126 and common electrode layer 128.Transparency carrier 122 has surperficial 122a and surperficial 122b, and wherein surperficial 122a is with respect to surperficial 122b.The material of the transparency carrier 122 of the present embodiment is glass, but embodiments of the invention are not limited to this.In other embodiments of the invention, the material of transparency carrier 122 also can be plastics or other soft materials.Transparency conducting layer 126 is arranged on the surperficial 122a of transparency carrier 122, and is electrically connected to reference voltage, for example ground voltage.In the present embodiment, the material of transparency conducting layer 126 is tin indium oxide (Indium Tin Oxide; , but embodiments of the invention are not limited to this ITO).In addition, the surface of the full transparency carrier 122 of transparency conducting layer 126 lid of the present embodiment, to provide preferably shield effectiveness.But, in other embodiments of the invention, transparency conducting layer 126 also specifically pattern be formed on the surface of transparency carrier 122.Colored filter 124 is arranged on transparency conducting layer 126, and comprises color filter 124a and black matrix" 124b.In the present embodiment, color filter 124a can comprise red color filter, blue color filter, green color filter, yellow color filter and/or white color filter, but embodiments of the invention are not limited to this.
Touch-control sensing layer 130 is arranged on the surperficial 122b of transparency carrier 122, and it comprises transparency carrier 132 and sensing array 134.The material of the transparency carrier 132 of the present embodiment is glass, but embodiments of the invention are not limited to this.In other embodiments of the invention, the material of transparency carrier 132 also can be plastics or other soft materials.Sensing array 134 is arranged on transparency carrier 132, and it is in order to sensing user's touch action.In the present embodiment, sensing array 134 comprises subarray 134a and 134b, and subarray 134a and 134b are arranged at respectively on two apparent surfaces of transparency carrier 132, but embodiments of the invention are not limited to this.In other embodiments of the invention, subarray 134a and 134b can be arranged on the same surface of transparency carrier 132.
Cover sheet (cover lens) 140 is arranged on touch-control sensing layer 130, to protect sensed layer 130.In the present embodiment, the material of cover sheet 140 is glass, particularly tempered glass, but embodiments of the invention are not limited to this.In other embodiments of the invention, the material of cover sheet 140 also can be the tough material such as plastics or acryl.
From above-mentioned explanation, the touch control LCD (Liquid Crystal Display) panel 100 of the present embodiment utilizes the transparency conducting layer 126 between transparency carrier 122 and colored filter 124 to shield noise, so can avoid the sensing array 134 of touch-control sensing layer 130 to be subject to noise effect.
Please refer to Fig. 2, it illustrates according to the cross-sectional view of the touch control LCD (Liquid Crystal Display) panel 200 of the embodiment of the present invention.Touch control LCD (Liquid Crystal Display) panel 200 is similar to touch control LCD (Liquid Crystal Display) panel 100, is to adopt one chip glass touch technology (One Glass Solution but difference is touch control LCD (Liquid Crystal Display) panel 200; OGS) make sensing array 134.As shown in Figure 2; because adopting one chip glass touch technology, the touch control LCD (Liquid Crystal Display) panel 200 of the present embodiment makes sensing array 134; therefore the transparency carrier 132 of touch control LCD (Liquid Crystal Display) panel 200 is not only as the substrate of sensing array 134, also as the cover sheet (cover lens) of touch control LCD (Liquid Crystal Display) panel 200.
Please refer to Fig. 3, it illustrates according to the cross-sectional view of the touch control LCD (Liquid Crystal Display) panel 300 of the embodiment of the present invention.Touch control LCD (Liquid Crystal Display) panel 300 is similar to touch control LCD (Liquid Crystal Display) panel 100, is to utilize electrically conducting transparent glue-line to substitute transparency conducting layer 126 but difference is touch control LCD (Liquid Crystal Display) panel 200.
As shown in Figure 3, touch control LCD (Liquid Crystal Display) panel 300 comprises thin-film transistor array base-plate 110, colored filter substrate 320, electrically conducting transparent glue-line 330, touch-control sensing layer 130 and cover sheet 140.Colored filter substrate 320 is arranged on thin-film transistor array base-plate 110, and comprises transparency carrier 122 and multiple colored filter 124.Substitute transparency conducting layer 126 because the present embodiment utilizes electrically conducting transparent glue-line, therefore colored filter substrate 320 does not comprise transparency conducting layer 126.
Electrically conducting transparent glue-line 330 is arranged between touch-control sensing layer 130 and colored filter substrate 320, and is electrically connected to reference voltage.In the present embodiment, electrically conducting transparent glue-line 330 is not only in order to fit touch-control sensing layer 130 and colored filter substrate 320, also provides noise coupling that shield effectiveness avoids panel to touch-control sensing array.In addition, the stickiness of considering general electrically conducting transparent glue is poor, electrically conducting transparent glue-line 330 also can use the potpourri of conducting resinl and transparent adhesive tape (for example glue or optical lens gelatin) to make, to strengthen the adhesion between touch-control sensing layer 130 and colored filter substrate 320.
Please refer to Fig. 4, it illustrates according to the cross-sectional view of the touch control LCD (Liquid Crystal Display) panel 400 of the embodiment of the present invention.Touch control LCD (Liquid Crystal Display) panel 400 is similar to touch control LCD (Liquid Crystal Display) panel 300, is to adopt one chip glass touch technology to make sensing array 134 but difference is touch control LCD (Liquid Crystal Display) panel 400.As shown in Figure 4; because adopting one chip glass touch technology, the touch control LCD (Liquid Crystal Display) panel 400 of the present embodiment makes sensing array 134; therefore the transparency carrier 132 of touch control LCD (Liquid Crystal Display) panel 400 is not only as the substrate of sensing array 134, also as the cover sheet of touch control LCD (Liquid Crystal Display) panel 400.
Although the present invention discloses as above with several embodiment; so it is not in order to limit the present invention; in the technical field of the invention any have conventionally know the knowledgeable; without departing from the spirit and scope of the present invention; when making various changes and retouch, therefore protection scope of the present invention is when being as the criterion depending on the accompanying claim person of defining.
Claims (10)
1. a touch control LCD (Liquid Crystal Display) panel, comprising:
One thin-film transistor array base-plate;
One colored filter substrate, is arranged on described thin-film transistor array base-plate, comprising:
One first transparency carrier, has a first surface and a second surface, and wherein said first surface is with respect to described second surface;
Multiple colored filters, are arranged on the described first surface of described the first transparency carrier; And
One transparency conducting layer, is arranged between described the first transparency carrier and described colored filter, and is electrically connected to reference voltage; And
One touch-control sensing layer, is arranged on the described second surface of described the first transparency carrier.
2. touch control LCD (Liquid Crystal Display) panel as claimed in claim 1, the material that it is characterized in that described transparency conducting layer is tin indium oxide.
3. touch control LCD (Liquid Crystal Display) panel as claimed in claim 1, is characterized in that described touch-control sensing layer comprises:
One second transparency carrier; And
One sensing array, is arranged on described the second transparency carrier.
4. touch control LCD (Liquid Crystal Display) panel as claimed in claim 3, is characterised in that and also comprises cover sheet, is arranged on described touch-control sensing layer.
5. touch control LCD (Liquid Crystal Display) panel as claimed in claim 3, is characterized in that described the second transparency carrier uses as a cover sheet.
6. a touch control LCD (Liquid Crystal Display) panel, comprising:
One thin-film transistor array base-plate;
One colored filter substrate, is arranged on described thin-film transistor array base-plate, comprising:
One first transparency carrier, has a first surface and a second surface, and wherein said first surface is with respect to described second surface; And
Multiple colored filters, are arranged on the described first surface of described the first transparency carrier;
One touch-control sensing layer, is arranged on the described second surface of described the first transparency carrier; And
One electrically conducting transparent glue-line, is arranged between described touch-control sensing layer and described colored filter substrate, and is electrically connected to reference voltage.
7. touch control LCD (Liquid Crystal Display) panel as claimed in claim 6, the material that it is characterized in that described transparency conducting layer is the potpourri of conducting resinl and transparent adhesive tape.
8. touch control LCD (Liquid Crystal Display) panel as claimed in claim 6, is characterized in that described touch-control sensing layer comprises:
One second transparency carrier; And
One sensing array, is arranged on described the second transparency carrier.
9. touch control LCD (Liquid Crystal Display) panel as claimed in claim 8, is characterised in that and also comprises a cover sheet, is arranged on described touch-control sensing layer.
10. touch control LCD (Liquid Crystal Display) panel as claimed in claim 8, is characterized in that described the second transparency carrier uses as cover sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310063191.1A CN104020592A (en) | 2013-02-28 | 2013-02-28 | Touch liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310063191.1A CN104020592A (en) | 2013-02-28 | 2013-02-28 | Touch liquid crystal display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104020592A true CN104020592A (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310063191.1A Pending CN104020592A (en) | 2013-02-28 | 2013-02-28 | Touch liquid crystal display panel |
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| Country | Link |
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| CN (1) | CN104020592A (en) |
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| CN105183212A (en) * | 2015-08-04 | 2015-12-23 | 武汉华星光电技术有限公司 | Touch screen LCD panel and touch screen mobile phone |
| CN106648258A (en) * | 2017-01-03 | 2017-05-10 | 京东方科技集团股份有限公司 | Array substrate, touch display panel and touch display device |
| CN107885385A (en) * | 2017-11-13 | 2018-04-06 | 北京小米移动软件有限公司 | Display panel and its production technology |
| CN110413141A (en) * | 2018-12-27 | 2019-11-05 | 友达光电股份有限公司 | Touch control display |
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| CN102265251A (en) * | 2009-02-13 | 2011-11-30 | 尖端芯片株式会社 | Touch screen input apparatus |
| CN102520539A (en) * | 2011-10-24 | 2012-06-27 | 友达光电股份有限公司 | Touch control display device |
| CN102866800A (en) * | 2011-07-07 | 2013-01-09 | 三星电子株式会社 | Touch screen panel liquid crystal display device |
| CN102880334A (en) * | 2011-07-15 | 2013-01-16 | 阿尔卑斯电气株式会社 | Touch panel integrated display device and method for manufacturing same |
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| CN102265251A (en) * | 2009-02-13 | 2011-11-30 | 尖端芯片株式会社 | Touch screen input apparatus |
| US20110109564A1 (en) * | 2009-11-09 | 2011-05-12 | Jong Young Lee | Touch screen input device and method of manufacturing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105183212A (en) * | 2015-08-04 | 2015-12-23 | 武汉华星光电技术有限公司 | Touch screen LCD panel and touch screen mobile phone |
| CN106648258A (en) * | 2017-01-03 | 2017-05-10 | 京东方科技集团股份有限公司 | Array substrate, touch display panel and touch display device |
| CN106648258B (en) * | 2017-01-03 | 2020-11-20 | 京东方科技集团股份有限公司 | Array substrate, touch display panel and touch display device |
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| CN110413141A (en) * | 2018-12-27 | 2019-11-05 | 友达光电股份有限公司 | Touch control display |
| CN110413141B (en) * | 2018-12-27 | 2023-07-25 | 友达光电股份有限公司 | Touch display |
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Application publication date: 20140903 |