JP3152062U - Integrated structure of capacitive touch panel and liquid crystal display panel - Google Patents
Integrated structure of capacitive touch panel and liquid crystal display panel Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- G—PHYSICS
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- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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Abstract
【課題】薄型化が可能な容量式タッチパネルと液晶表示パネルとの一体構造を提供する。【解決手段】容量式タッチパネルと液晶表示パネルとの一体構造は、下偏光板１２および上偏光板１４を有する液晶表示モジュール１０を含む液晶表示パネル１と、所定の電極パターン２０を有し、上偏光板１４上に形成された第１の電極層２と、所定の電極パターン３０を有し、上偏光板１４下に形成された第２の電極層３とを備える。第２の電極層３および第１の電極層２の電極パターンを利用し、タッチオブジェクトにより第１の電極層２および第２の電極層３とそれぞれ感応して容量結合を発生させる。【選択図】図４An integrated structure of a capacitive touch panel and a liquid crystal display panel that can be reduced in thickness is provided. An integrated structure of a capacitive touch panel and a liquid crystal display panel includes a liquid crystal display panel including a liquid crystal display module having a lower polarizing plate and an upper polarizing plate, a predetermined electrode pattern, and an upper portion. A first electrode layer 2 formed on the polarizing plate 14 and a second electrode layer 3 having a predetermined electrode pattern 30 and formed below the upper polarizing plate 14 are provided. Using the electrode patterns of the second electrode layer 3 and the first electrode layer 2, capacitive coupling is generated in response to the first electrode layer 2 and the second electrode layer 3 by the touch object. [Selection] Figure 4
Description
本考案は、タッチパネルと液晶表示パネルとを結合させた構造に係り、特に、容量式タッチパネルと液晶表示パネルとの一体構造に関する。 The present invention relates to a structure in which a touch panel and a liquid crystal display panel are combined, and more particularly, to an integrated structure of a capacitive touch panel and a liquid crystal display panel.
液晶表示パネル（ＬＣＤ）は、現在、広く利用されており、液晶表示パネルの構造には様々なものがある。図１および図２を同時に参照する。図１は、従来の液晶表示パネルを示す構造断面図である。図２は、従来の液晶表示モジュールを示す構造断面図である。図１および図２に示すように、従来の液晶表示パネル１は、液晶表示モジュール１０および保護板１１を含む。 Liquid crystal display panels (LCDs) are currently widely used, and there are various types of liquid crystal display panels. Please refer to FIG. 1 and FIG. 2 simultaneously. FIG. 1 is a structural cross-sectional view showing a conventional liquid crystal display panel. FIG. 2 is a structural sectional view showing a conventional liquid crystal display module. As shown in FIGS. 1 and 2, the conventional liquid crystal display panel 1 includes a liquid crystal display module 10 and a protection plate 11.
液晶表示モジュール１０は、下偏光板１２、下基板１０１、下導電層１０２、液晶層１０３、上導電層１０４、カラーフィルタ層１３、上基板１０５および上偏光板１４を含む。 The liquid crystal display module 10 includes a lower polarizing plate 12, a lower substrate 101, a lower conductive layer 102, a liquid crystal layer 103, an upper conductive layer 104, a color filter layer 13, an upper substrate 105, and an upper polarizing plate 14.
また従来、液晶表示パネルとタッチパネルとが組み合わされた操作が簡便な抵抗膜式タッチパネルにより位置を検出する方法があった。この抵抗膜式タッチパネルの位置検出方法には、表示装置の接触位置にタッチオブジェクトにより印加された接触圧を利用し、２層の抵抗膜を接触させてスイッチを閉じ、接触信号を制御装置に送信して処理を行い、接触位置を検出することができる抵抗膜式タッチパネルが初期に存在した。しかし、このタッチパネルは、抵抗膜が長期間繰り返し押圧されると変形または破損が発生し、タッチパネルの信頼性が低下する虞があった。 Conventionally, there has been a method of detecting a position by a resistive touch panel that is simple in operation in which a liquid crystal display panel and a touch panel are combined. In this method of detecting the position of the resistive touch panel, the contact pressure applied by the touch object is applied to the contact position of the display device, the two resistive films are brought into contact, the switch is closed, and the contact signal is transmitted to the control device. In the initial stage, there was a resistive touch panel capable of performing processing and detecting a contact position. However, this touch panel may be deformed or damaged when the resistance film is repeatedly pressed for a long period of time, which may reduce the reliability of the touch panel.
そのため、従来の抵抗膜式タッチパネルが有する欠点を改善することが可能な容量式タッチパネルが開発されている。この容量式タッチパネルの構造は、上下に配置されたそれぞれの電極パターン層と、各電極パターン層で挟設された誘電体とからなる。液晶表示パネルと容量式タッチパネルとを接合させるときは、一般に、液晶表示パネルと容量式タッチパネルとを先に別々に製作しておき、後で順次接合させて一体成形させていた。これにより、ユーザは、例えば、指、タッチペンなどの導電物を用いてタッチパネルの表面に表示された図案および文字に触って選択し、入力および操作を行っていた。 Therefore, capacitive touch panels that can improve the drawbacks of conventional resistive touch panels have been developed. The structure of this capacitive touch panel is composed of respective electrode pattern layers arranged above and below, and a dielectric sandwiched between the electrode pattern layers. In general, when a liquid crystal display panel and a capacitive touch panel are joined, the liquid crystal display panel and the capacitive touch panel are separately manufactured first, and then sequentially joined and integrally formed. As a result, the user touches a design and characters displayed on the surface of the touch panel using a conductive material such as a finger or a touch pen, for example, and performs input and operation.
しかし、タッチパネルおよび液晶表示パネルは、何れも表面に保護板を配置させる必要があった。また、一般にタッチパネルおよび液晶表示パネルの保護板が同じガラス材料で製造されるため、製造には多くの材料が重複して使用された。さらに、一般にタッチパネルと液晶表示パネルとを先に別々に製造してから、後で順次接合させるため、製造工程が複雑となる上に製造時間が浪費され、不良品が発生しやすかった。さらには、タッチパネルと液晶表示パネルとを別々に製造してから積層させる方式では、製品が厚くなり薄型化させることが困難であった。 However, both the touch panel and the liquid crystal display panel have to have a protective plate on the surface. Moreover, since the protective plate of a touch panel and a liquid crystal display panel is generally manufactured with the same glass material, many materials were used redundantly for manufacturing. Furthermore, since the touch panel and the liquid crystal display panel are generally manufactured separately and then sequentially joined later, the manufacturing process becomes complicated and manufacturing time is wasted, and defective products are likely to occur. Furthermore, in the method in which the touch panel and the liquid crystal display panel are separately manufactured and then laminated, it is difficult to make the product thicker and thinner.
本考案の目的は、容量式タッチパネルと液晶表示パネルとを一体構造に形成させる方式が、他に基板を追加する必要がないため、薄型化させることが可能な容量式タッチパネルと液晶表示パネルとの一体構造を提供することにある。 The purpose of the present invention is to form a capacitive touch panel and a liquid crystal display panel in an integrated structure, and it is not necessary to add another substrate. It is to provide a unitary structure.
上記課題を解決するために、本考案に係る容量式タッチパネルと液晶表示パネルとの一体構造は、液晶表示パネル、第１の電極層および第２の電極層を含む。液晶表示パネルは、下偏光板および上偏光板を有する液晶表示モジュールを含む。上偏光板の上に形成される第１の電極層は、所定の電極パターンを有し、上偏光板の下に形成される第２の電極層は、所定の電極パターンを有する。 In order to solve the above problems, an integrated structure of a capacitive touch panel and a liquid crystal display panel according to the present invention includes a liquid crystal display panel, a first electrode layer, and a second electrode layer. The liquid crystal display panel includes a liquid crystal display module having a lower polarizing plate and an upper polarizing plate. The first electrode layer formed on the upper polarizing plate has a predetermined electrode pattern, and the second electrode layer formed below the upper polarizing plate has a predetermined electrode pattern.
本実施形態において、液晶表示パネルと、上偏光板の上または下に形成された容量式パターン層とのみを含む。 In the present embodiment, only the liquid crystal display panel and the capacitive pattern layer formed on or below the upper polarizing plate are included.
上述したように、本考案の容量式タッチパネルと液晶表示パネルとの一体構造は、基板を増やす必要がないため全体の厚さが増大せず、製品の薄型化および軽量化を行うことができる。また、本考案では、容量式タッチパネルを液晶表示パネルと別々に生産してから組み立てるのではなく、直接、液晶表示パネルと接合させるため、製造工程が簡単であり、良品率が高くて製造コストが安価なため、加工性および生産性を向上させることができる。また、本考案の電極パターン層は、液晶表示パネルの上偏光板に接合され、ユーザの指またはタッチオブジェクトが接触する操作面に近いため、感度が高い。 As described above, the integrated structure of the capacitive touch panel and the liquid crystal display panel of the present invention does not require an increase in the number of substrates, so the overall thickness does not increase, and the product can be made thinner and lighter. In addition, in the present invention, since the capacitive touch panel is not manufactured separately from the liquid crystal display panel and then assembled, it is directly joined to the liquid crystal display panel, so the manufacturing process is simple, the yield rate is high, and the manufacturing cost is high. Since it is inexpensive, processability and productivity can be improved. In addition, the electrode pattern layer of the present invention is bonded to the upper polarizing plate of the liquid crystal display panel, and has a high sensitivity because it is close to the operation surface on which the user's finger or touch object comes into contact.
以下、考案の実施の形態を通じて本考案を説明するが、以下の実施形態は実用新案登録請求の範囲にかかる考案を限定するものではなく、また実施形態の中で説明されている特徴の組み合わせの全てが考案の解決手段に必須であるとは限らない。 Hereinafter, the present invention will be described through embodiments of the invention. However, the following embodiments do not limit the invention according to the claims of the utility model registration, and are combinations of features described in the embodiments. Not all are essential to the solution of the idea.
図３を参照する。図３は、本考案の第１実施形態による容量式タッチパネルと液晶表示パネルとの一体構造１００を示す断面図である。図３に示すように、本考案の第１実施形態による容量式タッチパネルと液晶表示パネルとの一体構造１００は、液晶表示パネル１、第１の電極層２および第２の電極層３を含む。 Please refer to FIG. FIG. 3 is a cross-sectional view showing an integrated structure 100 of the capacitive touch panel and the liquid crystal display panel according to the first embodiment of the present invention. As shown in FIG. 3, the integral structure 100 of the capacitive touch panel and the liquid crystal display panel according to the first embodiment of the present invention includes a liquid crystal display panel 1, a first electrode layer 2, and a second electrode layer 3.
液晶表示パネル１は、図１および図２と同様に従来の構造であり、下から上にかけて順次配置された下偏光板１２、下基板１０１、下導電層１０２、液晶層１０３、上導電層１０４、カラーフィルタ層１３、上基板１０５、上偏光板１４および保護板１１を含む。カラーフィルタ層１３は、主に、従来のブラックマトリクス（ｂｌａｃｋ ｍａｔｒｉｘ）およびカラーレジスト（ｃｏｌｏｒ ｒｅｓｉｓｔ）を含む。 The liquid crystal display panel 1 has a conventional structure as in FIGS. 1 and 2, and includes a lower polarizing plate 12, a lower substrate 101, a lower conductive layer 102, a liquid crystal layer 103, and an upper conductive layer 104 that are sequentially arranged from the bottom to the top. A color filter layer 13, an upper substrate 105, an upper polarizing plate 14, and a protective plate 11. The color filter layer 13 mainly includes a conventional black matrix and a color resist.
第１の電極層２は、上偏光板１４上に形成される。第２の電極層３は、上偏光板１４下に形成される。 The first electrode layer 2 is formed on the upper polarizing plate 14. The second electrode layer 3 is formed under the upper polarizing plate 14.
図４を参照する。図４は、本考案の第１実施形態による容量式タッチパネルと液晶表示パネルとの一体構造１００を示す分解斜視図である。図４に示すように、第１の電極層２は、互いに接触しないように平行に配列された複数の長尺状の電極２１を有する所定の電極パターン２０を含む。第２の電極層３は、互いに接触しないように平行に配列された長尺状の電極３１を有する複数の電極パターン３０を含む。第１の電極層２の各電極２１および第２の電極層３の各電極３１は、制御装置（図示せず）と電気的に接続されている。 Please refer to FIG. FIG. 4 is an exploded perspective view showing an integrated structure 100 of the capacitive touch panel and the liquid crystal display panel according to the first embodiment of the present invention. As shown in FIG. 4, the first electrode layer 2 includes a predetermined electrode pattern 20 having a plurality of elongated electrodes 21 arranged in parallel so as not to contact each other. The second electrode layer 3 includes a plurality of electrode patterns 30 having elongated electrodes 31 arranged in parallel so as not to contact each other. Each electrode 21 of the first electrode layer 2 and each electrode 31 of the second electrode layer 3 are electrically connected to a control device (not shown).
第１実施形態において、第１の電極層２の長尺状の各電極２１と、第２の電極層３の長尺状の各電極３１とは、互いに垂直に配列されている。第１の電極層２の電極２１は、所定の軸方向Ｙの位置検出を行い、第２の電極層３の電極３１は、所定の軸方向Ｘの位置検出を行う。しかし、他の実施形態では、第１の電極層２の電極２１で軸方向Ｘの位置検出を行い、第２の電極層３の電極３１で軸方向Ｙの位置検出を行ってもよい。 In the first embodiment, the long electrodes 21 of the first electrode layer 2 and the long electrodes 31 of the second electrode layer 3 are arranged perpendicular to each other. The electrode 21 of the first electrode layer 2 performs position detection in a predetermined axial direction Y, and the electrode 31 of the second electrode layer 3 performs position detection in a predetermined axial direction X. However, in another embodiment, the position in the axial direction X may be detected with the electrode 21 of the first electrode layer 2, and the position in the axial direction Y may be detected with the electrode 31 of the second electrode layer 3.
他の実施形態では、電極パターンの長尺状電極の電極は、菱形、正方形、正六角形など、様々な形状にしてもよい。図５を参照する。図５は、本考案の第２実施形態による容量式タッチパネルと液晶表示パネルとの一体構造１００ａを示す分解斜視図である。第２実施形態の第１の電極層２の電極パターン２０ａ中の長尺状の各電極２１は、六角形の幾何学形状である複数の電極２２が接続されて形成されている。また、第２の電極層３の電極パターン３０ａ中の長尺状の各電極３１は、六角形の幾何学形状である複数の電極３２が接続されて形成されたものである。 In other embodiments, the electrodes of the elongated electrodes of the electrode pattern may have various shapes such as rhombus, square, regular hexagon. Please refer to FIG. FIG. 5 is an exploded perspective view showing an integrated structure 100a of a capacitive touch panel and a liquid crystal display panel according to a second embodiment of the present invention. Each elongated electrode 21 in the electrode pattern 20a of the first electrode layer 2 of the second embodiment is formed by connecting a plurality of electrodes 22 having a hexagonal geometric shape. In addition, each elongated electrode 31 in the electrode pattern 30a of the second electrode layer 3 is formed by connecting a plurality of electrodes 32 having a hexagonal geometric shape.
ユーザがタッチオブジェクト（例えば、指またはその他の導電物）でタッチパネルに触ると、液晶表示パネル１中で第１の電極層２および第２の電極層３が制御装置（図示せず）に接続され、タッチオブジェクトが第１の電極層２および第２の電極層３にそれぞれ感応して容量結合が発生する。そして、電位が変化した信号が制御装置に送信され、対応した軸方向Ｘ、Ｙの位置が処理され、接触位置を検出することができる。 When the user touches the touch panel with a touch object (for example, a finger or other conductive material), the first electrode layer 2 and the second electrode layer 3 are connected to a control device (not shown) in the liquid crystal display panel 1. The touch object is sensitive to the first electrode layer 2 and the second electrode layer 3 to generate capacitive coupling. Then, a signal whose potential has changed is transmitted to the control device, the corresponding positions in the axial directions X and Y are processed, and the contact position can be detected.
図６および図７を同時に参照する。図６は、本考案の第３実施形態による容量式タッチパネルと液晶表示パネルとの一体構造１００ｂを示す分解斜視図である。図７は、本考案の第３実施形態による容量式タッチパネルと液晶表示パネルとの一体構造１００ｂの電極パターン層４を示す部分断面図である。第３実施形態は、容量式タッチパネルと液晶表示パネルとの一体構造１００ｂが上偏光板１４上に形成された電極パターン層４を含む点が異なる以外、第１実施形態と略同じである（同じ部材は、同じ符号で表されている）。 Please refer to FIG. 6 and FIG. 7 simultaneously. FIG. 6 is an exploded perspective view showing an integrated structure 100b of a capacitive touch panel and a liquid crystal display panel according to a third embodiment of the present invention. FIG. 7 is a partial cross-sectional view showing an electrode pattern layer 4 of an integrated structure 100b of a capacitive touch panel and a liquid crystal display panel according to a third embodiment of the present invention. The third embodiment is substantially the same as the first embodiment except that the integrated structure 100b of the capacitive touch panel and the liquid crystal display panel includes the electrode pattern layer 4 formed on the upper polarizing plate 14 (same as the first embodiment). The members are represented by the same reference numbers).
電極パターン層４は、複数の長尺状の第１の電極４１および複数の長尺状の第２の電極４２を有する所定の電極パターン４０を含む。第１の電極４１と第２の電極４２とは、互いに交差するように非平行に配列され、第１の電極４１と第２の電極４２とが交差する箇所には絶縁層４３が形成され（図７を参照する）、第２の電極４２が第１の電極４１に接触しないように跨設されている。第１の電極４１および各第２の電極４２のそれぞれには、六角形の幾何学形状である複数の電極４１１、４２１が接続されて形成されている。電極４１１、４２１は、タッチセンサの感度を向上させるために、六角形の幾何学形状にする。 The electrode pattern layer 4 includes a predetermined electrode pattern 40 having a plurality of long first electrodes 41 and a plurality of long second electrodes 42. The first electrode 41 and the second electrode 42 are arranged non-parallel so as to cross each other, and an insulating layer 43 is formed at a location where the first electrode 41 and the second electrode 42 intersect ( As shown in FIG. 7, the second electrode 42 is straddled so as not to contact the first electrode 41. A plurality of electrodes 411 and 421 having a hexagonal geometric shape are connected to each of the first electrode 41 and each second electrode 42. The electrodes 411 and 421 have a hexagonal geometric shape in order to improve the sensitivity of the touch sensor.
ユーザがタッチオブジェクト（例えば、指またはその他の導電物）でタッチパネルに触れると、タッチオブジェクトと接触された領域に対応した第１の電極４１および第２の電極４２との間で感応し、それぞれ容量結合が発生する。そして、接触された領域の大きさおよび位置に応じて電位が変化した信号が制御装置に送信される。これにより、第１の電極４１および第２の電極４２の軸方向Ｘ、Ｙに対応した信号と、接触された領域の大きさに対応した信号を基に、タッチオブジェクトの接触位置を判断することができる（図示せず）。 When the user touches the touch panel with a touch object (for example, a finger or other conductive material), the touch is sensed between the first electrode 41 and the second electrode 42 corresponding to the area in contact with the touch object. Bonding occurs. Then, a signal whose potential changes according to the size and position of the contacted area is transmitted to the control device. Thereby, the contact position of the touch object is determined based on the signals corresponding to the axial directions X and Y of the first electrode 41 and the second electrode 42 and the signal corresponding to the size of the contacted area. (Not shown).
図８を参照する。図８は、本考案の第４実施形態による容量式タッチパネルと液晶表示パネルとの一体構造１００ｃを示す分解斜視図である。第４実施形態の容量式タッチパネルと液晶表示パネルとの一体構造１００ｃは、電極パターン層４が上偏光板１４の下に形成される点が異なる以外、第３実施形態と略同じである（同一の部材は、同一の符号で表されている）。また、第４実施形態の容量式タッチパネルと液晶表示パネルとの一体構造１００ｃは、第３実施形態と同様に、タッチオブジェクトと、第１の電極４１および第２の電極４２との間に発生される容量結合により、接触位置を判断することができる。 Please refer to FIG. FIG. 8 is an exploded perspective view showing an integrated structure 100c of a capacitive touch panel and a liquid crystal display panel according to a fourth embodiment of the present invention. The integral structure 100c of the capacitive touch panel and the liquid crystal display panel of the fourth embodiment is substantially the same as that of the third embodiment except that the electrode pattern layer 4 is formed under the upper polarizing plate 14 (the same). Are indicated by the same reference numerals). Further, the integral structure 100c of the capacitive touch panel and the liquid crystal display panel of the fourth embodiment is generated between the touch object and the first electrode 41 and the second electrode 42, as in the third embodiment. The contact position can be determined by capacitive coupling.
当該分野の技術を熟知するものが理解できるように、本考案の好適な実施形態を前述の通り開示したが、これらは決して本考案を限定するものではない。本考案の主旨と範囲を脱しない範囲内で各種の変更や修正を加えることができる。従って、本考案による実用新案登録請求の範囲は、このような変更や修正を含めて広く解釈されるべきである。 The preferred embodiments of the present invention have been disclosed as described above so that those skilled in the art can understand them, but these do not limit the present invention in any way. Various changes and modifications can be made without departing from the spirit and scope of the present invention. Therefore, the scope of the utility model registration request according to the present invention should be broadly interpreted including such changes and modifications.
１ 液晶表示パネル
１０ 液晶表示モジュール
１００ 一体構造
１００ａ 一体構造
１００ｂ 一体構造
１００ｃ 一体構造
１０１ 下基板
１０２ 下導電層
１０３ 液晶層
１０４ 上導電層
１０５ 上基板
１１ 保護板
１２ 下偏光板
１３ カラーフィルタ層
１４ 上偏光板
２ 第１の電極層
２０ 電極パターン
２０ａ 電極パターン
２１ 電極
２２ 電極
３ 第２の電極層
３０ 電極パターン
３０ａ 電極パターン
３１ 電極
３２ 電極
４ 電極パターン層
４０ 電極パターン
４１ 第１の電極
４１１ 電極
４２ 第２の電極
４２１ 電極
４３ 絶縁層
Ｘ 軸方向
Ｙ 軸方向
DESCRIPTION OF SYMBOLS 1 Liquid crystal display panel 10 Liquid crystal display module 100 Integral structure 100a Integral structure 100b Integral structure 100c Integral structure 101 Lower substrate 102 Lower conductive layer 103 Liquid crystal layer 104 Upper conductive layer 105 Upper substrate 11 Protective plate 12 Lower polarizing plate 13 Color filter layer 14 Polarizing plate 2 First electrode layer 20 Electrode pattern 20a Electrode pattern 21 Electrode 22 Electrode 3 Second electrode layer 30 Electrode pattern 30a Electrode pattern 31 Electrode 32 Electrode 4 Electrode pattern layer 40 Electrode pattern 41 First electrode 411 Electrode 42 Two electrodes 421 Electrode 43 Insulating layer X Axial direction Y Axial direction
Claims (11)
所定の電極パターンを有し、前記上偏光板上に形成された第１の電極層と、
所定の電極パターンを有し、前記上偏光板下に形成された第２の電極層と、を備え、
前記第２の電極層および前記第１の電極層の電極パターンを利用し、タッチオブジェクトにより前記第１の電極層および前記第２の電極層とそれぞれ感応して容量結合を発生させることを特徴とする、容量式タッチパネルと液晶表示パネルとの一体構造。 A liquid crystal display panel including a liquid crystal display module having a lower polarizing plate and an upper polarizing plate;
A first electrode layer having a predetermined electrode pattern and formed on the upper polarizing plate;
A second electrode layer having a predetermined electrode pattern and formed under the upper polarizing plate,
The electrode pattern of the second electrode layer and the first electrode layer is utilized to generate capacitive coupling in response to the first electrode layer and the second electrode layer by a touch object, respectively. Integrated structure of capacitive touch panel and liquid crystal display panel.
前記上偏光板上に形成された容量式電極パターン層と、を備えることを特徴とする、容量式タッチパネルと液晶表示パネルとの一体構造。 A liquid crystal display panel including a liquid crystal display module having a lower polarizing plate and an upper polarizing plate;
An integrated structure of a capacitive touch panel and a liquid crystal display panel, comprising: a capacitive electrode pattern layer formed on the upper polarizing plate.
前記上偏光板下に形成された容量式電極パターン層と、を備えることを特徴とする、容量式タッチパネルと液晶表示パネルとの一体構造。 A liquid crystal display panel including a liquid crystal display module having a lower polarizing plate and an upper polarizing plate;
An integrated structure of a capacitive touch panel and a liquid crystal display panel, comprising: a capacitive electrode pattern layer formed under the upper polarizing plate.
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| CN200910008184A CN101833184A (en) | 2009-03-13 | 2009-03-13 | Integrated structure of capacitive touch pad and liquid crystal display panel |
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| JP2011553258A Pending JP2012520495A (en) | 2009-03-13 | 2009-11-12 | Liquid crystal display integrated with capacitive touch device |
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| EP (1) | EP2406684A4 (en) |
| JP (2) | JP3152062U (en) |
| KR (1) | KR20120000565A (en) |
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Also Published As
| Publication number | Publication date |
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| DE202009006774U1 (en) | 2009-08-20 |
| KR20120000565A (en) | 2012-01-02 |
| WO2010102491A1 (en) | 2010-09-16 |
| EP2406684A4 (en) | 2012-08-08 |
| JP2012520495A (en) | 2012-09-06 |
| EP2406684A1 (en) | 2012-01-18 |
| CN101833184A (en) | 2010-09-15 |
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