WO2011081112A1 - 入力装置、およびこれを備えた表示装置 - Google Patents
入力装置、およびこれを備えた表示装置 Download PDFInfo
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- WO2011081112A1 WO2011081112A1 PCT/JP2010/073466 JP2010073466W WO2011081112A1 WO 2011081112 A1 WO2011081112 A1 WO 2011081112A1 JP 2010073466 W JP2010073466 W JP 2010073466W WO 2011081112 A1 WO2011081112 A1 WO 2011081112A1
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- insulator
- detection electrode
- input device
- electrode pattern
- cross
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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
-
- 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
-
- 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
-
- 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
- G06F2203/04111—Cross 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
-
- 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
- G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
-
- 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
Definitions
- the present invention relates to an input device that detects, as an input position, a place where a user performs an input operation, and a display device including the same.
- a conventional input device such as a capacitive touch panel includes a base, a first detection electrode pattern provided on the main surface of the base, and a first detection electrode pattern provided on the main surface of the base. And intersecting second detection electrode patterns (see, for example, Patent Document 1).
- an insulator for electrically insulating the first detection electrode pattern and the second detection electrode pattern is provided between the first detection electrode pattern and the second detection electrode pattern. That is, the insulator is provided on the main surface of the base so as to cover a part of the first detection electrode pattern, and a part of the second detection electrode pattern is provided on the upper surface of the insulator. Thus, the first detection electrode pattern and the second detection electrode pattern can be crossed while electrically insulating the first detection electrode pattern and the second detection electrode pattern.
- the present invention has been made in view of the above problems, and an object of the present invention is to provide an input device capable of suppressing breakage of the second detection electrode pattern, and a display device including the same.
- One aspect of the input device of the present invention includes a base body having a main surface, a first detection electrode pattern provided on the main surface of the base body, and a part of the insulator provided on the main surface of the base body. And a second detection electrode pattern that intersects the first detection electrode pattern.
- the insulator has a convex curved surface in a region from the end portion to the top portion of the insulator in a cross section along the second detection electrode pattern.
- FIG. 1 is the top view which expanded and represented the principal part of the input device of FIG. 1
- FIG. 2A is a cross-sectional view taken along II in FIG. 1
- FIG. 2B is a cross-sectional view taken along II-II in FIG. Is a diagram showing an enlarged part in the R 1 portion of FIG 3 (a).
- (A) to (d) are diagrams for explaining a manufacturing process of the input device, and are diagrams for explaining a manufacturing process of a cross section along II in FIG.
- FIG. 7 is an enlarged view of a portion R 2 in FIG. 6 for illustrating a change in the inclination angle ⁇ of the insulator with respect to the main surface of the substrate. It is a figure showing the input device which concerns on the 3rd Embodiment of this invention, and is sectional drawing corresponding to II of FIG. It is the top view which expanded and represented the principal part of the input device of FIG. It is a figure showing the input device which concerns on the 4th Embodiment of this invention, and is sectional drawing corresponding to II of FIG.
- FIG. 7 is a diagram illustrating an input device according to a modification of the present invention, corresponding to II in FIG. 1. 6 shows a modification of FIG. 6, (a) is a diagram corresponding to II in FIG. 1, and (b) is an enlarged view of the R 3 portion of (a).
- the input device X1 according to the first embodiment of the present invention will be described.
- the input device X1 is a capacitive touch panel.
- the input device X1 has an input area E I for inputting information by a user operating with a finger or the like, and an outer area E O positioned outside the input area E I. is doing. Further, in the outer region E O, it has an external conduction region E G is a region connected outside the drawing FPC (Flexible Printed Circuit) or the like and electrically.
- FPC Flexible Printed Circuit
- the input device X1 includes a base 10, a first detection electrode pattern 20, a second detection electrode pattern 30, an insulator 40, and a detection wiring 50 as shown in FIGS.
- the base 10 has a main surface 10a.
- substrate 10 is made into the rectangular shape, for example, it is not limited to this.
- the material of the base 10 include a material having translucency, such as glass or plastic. In the present specification, “translucency” means having transparency to visible light.
- translucency means having transparency to visible light.
- the surface located on the opposite side of the main surface 10a of the base body 10 is a surface for the user to input information by operating with a finger or the like.
- the first detection electrode pattern 20 is provided on the main surface 10 a of the base body 10.
- the first detection electrode pattern 20 includes a first detection electrode 21 and a first connection electrode 22.
- the first detection electrode 21 is a member having a function of detecting an input position with a finger or the like in the direction of arrow B shown in FIG.
- First detection electrode 21 is provided on the main surface 10a of the substrate 10 corresponding to the input region E I.
- the first detection electrodes 21 are arranged in a matrix at predetermined intervals.
- the first detection electrode 21 has a substantially diamond shape in plan view, but is not limited thereto.
- Examples of the material of the first detection electrode 21 include those having translucency and conductivity. For example, ITO (Indium Tin Oxide), IZO (Indium Zinc Oxide), ATO (Antimony Tin Oxide), and AZO (Al--). Doped Zinc Oxide), tin oxide, zinc oxide, or conductive polymer.
- Examples of the method for forming the first detection electrode 21 include the following methods. First, a material such as ITO is applied onto the main surface 10a of the substrate 10 to form a film by sputtering, vapor deposition, or chemical vapor deposition (CVD). And a photosensitive resin is apply
- a material such as ITO is applied onto the main surface 10a of the substrate 10 to form a film by sputtering, vapor deposition, or chemical vapor deposition (CVD). And a photosensitive resin is apply
- the first connection electrode 22 is a member having a function of electrically connecting adjacent first detection electrodes 21.
- the first connection electrode 22 is provided on the main surface 10a of the substrate 10 corresponding to the input region E I.
- the material of the first connection electrode 22 is the same as that of the first detection electrode 21.
- the formation method of the 1st connection electrode 22 includes the same method as the 1st detection electrode 21.
- the second detection electrode pattern 30 is provided on the main surface 10 a of the base body 10.
- the second detection electrode pattern 30 includes a second detection electrode 31 and a second connection electrode 32.
- the second detection electrode 31 is a member having a function of detecting an input position with a finger or the like in the direction of arrow A shown in FIG. Second detection electrode 31 is provided on the main surface 10a of the substrate 10 corresponding to the input region E I. The second detection electrodes 31 are arranged in a matrix at a predetermined interval. The shape of the second detection electrode 31 is substantially rhombus in plan view, but is not limited thereto. The material of the second detection electrode 31 is the same as that of the first detection electrode 21. In addition, the method for forming the second detection electrode 31 includes the same method as that for the first detection electrode 21.
- the insulator 40 is a member that plays a role of electrically insulating the first detection electrode pattern 20 and the second detection electrode pattern 30.
- the insulator 40 is provided on the main surface 10 a of the base 10 so as to cover a part of the first connection electrode 22 in the first detection electrode pattern 20.
- the insulator 40 has an upper surface 40a located on the opposite side of the main surface 10a of the base body 10 with respect to the first connection electrode 22. Further, the upper surface 40 a of the insulator 40 includes a top portion 41 that faces the second connection electrode 22, and an end portion 42 that is located between the top portion 41 and the second detection electrode 31.
- Examples of the material of the insulator 40 include an insulating material such as an acrylic resin and an epoxy resin.
- the insulator 40 has a convex curved surface 43 in a region from the end 42 to the top 41 of the insulator 40 in a cross section along the second detection electrode pattern 30. Yes. The reason why the insulator 40 has the convex curved surface 43 will be described later.
- the second connection electrode 32 is a member having a function of electrically connecting adjacent second detection electrodes 31.
- the second connection electrode 32 is located on the upper surface 40 a of the insulator 40. That is, a part of the second connection electrode 32 intersects a part of the first connection electrode 22 via the insulator 40. In other words, a part of the second detection electrode pattern 30 intersects a part of the first detection electrode pattern 20 via the insulator 40.
- the material of the second connection electrode 32 is the same as that of the first detection electrode 21.
- the method for forming the second connection electrode 32 includes the same method as that for the first detection electrode 21.
- the insulator 40 has a convex curved surface 43 in a region from the end 42 to the top 41 of the insulator 40 in a cross section along the second detection electrode pattern 30. Therefore, compared with the case where the insulator 40 has a rectangular shape in cross section along the second detection electrode pattern 30, the end portion 42 of the insulator 40 is applied even when a pressing force by a user's finger or the like is applied to the insulator 40. It is possible to relieve the stress applied to the second connection electrode 32 located at the position. That is, since the insulator 40 is rounded from the end 42 to the top 41 of the insulator 40, the stress is relieved at the rounded portion.
- FIG. 4 is an enlarged view of the portion R 1 in FIG. 3A, and is a view in which the vertical direction of FIG. 3A is reversed.
- the inclination angle of the insulator 40 with respect to the main surface 10 a of the base body 10 is “ ⁇ ”
- the inclination angle ⁇ of the insulator 40 is set to be smaller than the angle ⁇ ′ formed by the direction perpendicular to the main surface 10a of the base body 10 and the insulator 40.
- the inclination angle ⁇ of the insulator 40 is preferably set in the range of 2 to 20 °.
- the stress can be relaxed by the convex curved surface 43 of the insulator 40.
- the second connection electrode 32 positioned on the upper surface 40a of the insulator 40 is difficult to be visually recognized by the user. This is because the difference between the height position of the second detection electrode 31 and the height position of the second connection electrode 32 is reduced. For this reason, the visibility of the input device X1 is improved.
- the upper surface 40a of the insulator 40 has a flatter cross section in a direction perpendicular to the cross section than the cross section along the second detection electrode pattern 30.
- the upper surface 40a of the insulator 40 in the cross section shown in FIG. It means that the upper surface 40a of the insulator 40 in the cross section shown in b) is flatter.
- “flat” means that the curvature is small.
- the “curvature” can be determined in each cross section, for example, by taking the center point in the direction along the cross section as a reference point and taking the difference between the minimum distance point and the maximum distance point from this reference point. . That is, the smaller the difference between the two points, the smaller the curvature.
- the insulator 40 has a rectangular shape extending in the direction (arrow B direction) along the second detection electrode pattern 30 when viewed from above. .
- the insulator 40 has a length in the direction (arrow B direction) along the second detection electrode pattern 30 as viewed from above, and the direction along the first detection electrode pattern 20 (arrow A direction). It has a rectangular shape longer than the length of. For this reason, when a pressing force by a user's finger or the like is applied to the insulator 40, a relatively large stress is applied in the direction along the second detection electrode pattern 30 of the insulator 40 (in the direction of arrow B). A relatively small stress is applied in the direction along the first detection electrode pattern 20 of the insulator 40 (arrow A direction).
- the insulator 40 is used.
- the relatively large stress applied in the direction along the second detection electrode pattern 30 (arrow B direction) can be concentrated and relaxed.
- the stress applied to the second connection electrode 32 located at the end 42 of the insulator 40 can be further relaxed.
- the detection wiring 50 is a member having a function of applying a voltage to the first detection electrode pattern 20 and the second detection electrode pattern 30.
- the detection wiring 50 is provided on the main surface 10a of the base 10 corresponding to the outer region EO .
- Detection wire 50 has one end connected to the first detection electrode pattern 20 and the second detection electrode pattern 30 and the electrically and the other end located outside conductive region E G.
- Examples of the material of the detection wiring 50 include conductive materials such as ITO, tin oxide, aluminum, aluminum alloy, silver film, or silver alloy. Further, as a method for forming the detection wiring 50, the same formation method as that for the first detection electrode 21 can be used.
- FIG. 5A to 5D are views for explaining a cross-sectional manufacturing process along II in FIG.
- a material such as ITO is applied onto the main surface 10a of the base 10 by sputtering, vapor deposition, or chemical vapor deposition (CVD) to form a film.
- a photosensitive resin is apply
- a desired pattern is formed in the photosensitive resin by performing an exposure process and a development process with respect to the photosensitive resin.
- the formed film is etched using a chemical solution or the like and patterned.
- the first connection electrode 22 is formed as shown in FIG.
- UV curable acrylic resin is applied to the mold K having a desired shape. Then, as shown in FIG. 5 (b), the applied mold K is pressed against the main surface 10 a of the base body 10 on which the first connection electrode 22 is provided. The acrylic resin is cured by irradiating the mold K with UV light from the side opposite to the main surface 10a of the substrate. By removing the mold K after the acrylic resin is cured, the insulator 40 is formed as shown in FIG.
- a material such as ITO is further applied on the main surface 10a of the base 10 to form a film.
- a material such as ITO is further applied on the main surface 10a of the base 10 to form a film.
- the insulator 40 has a convex curved surface 43 in a region from the end 42 to the top 41 of the insulator 40 in a cross-sectional view, a sufficiently thick film can be formed on the convex curved surface 43. it can.
- the second detection electrode 31 and the second connection electrode 32 are formed as shown in FIG.
- the second connection electrode 32 positioned at the end 42 of the insulator 40 is sufficiently secured by the convex curved surface 43.
- the manufacturing method of the input device X1 is not limited to this.
- a paste-like resin is applied onto the main surface 10a of the substrate 10, and an exposure process and a development process are performed, and the rectangular insulator 40 is formed in a cross-sectional view. Then, the formed insulator 40 is heated for a predetermined time. Thereby, the viscosity of the insulator 40 may be lowered, the surface of the insulator 40 may be smoothed, and the insulator 40 having the convex curved surface 43 as in the present embodiment may be formed.
- the finger and the first detection electrode pattern 20 and the second detection electrode pattern 30 are detected.
- a driver (not shown) provided in the input device X1 always detects a change in electrostatic capacitance between the finger and the first detection electrode pattern 20 and the second detection electrode pattern 30.
- this driver detects a change in capacitance that is equal to or greater than a predetermined value, the driver detects a position where the change in capacitance is detected as an input position. In this way, the input device X1 can detect the input position.
- a mutual capacitance method or a self-capacitance method may be used as a method for the input device X1 to detect the input position.
- Employing the mutual capacitance method is preferable compared to the case of employing the self-capacitance method because a plurality of input positions can be detected simultaneously.
- the input device X2 is a capacitive touch panel, like the input device X1.
- FIG. 6 is a diagram illustrating the input device X2, and is a cross-sectional view corresponding to II in FIG.
- Figure 7 is a diagram showing an enlarged part in the R 2 portion of FIG. 6 is a diagram for explaining a change in the tilt angle ⁇ of the insulator 40 with respect to the major surface 10a of the substrate 10. 7 is an angle formed between the tangent line and the main surface 10a of the base body 10 when a tangent line is drawn at each part of the insulator 40.
- the inclination angle ⁇ of the insulator 40 with respect to the main surface 10 a of the base 10 is such that the end 42 and the top 41 of the insulator 40 in the cross section along the second detection electrode pattern 30. And have a minimum value and a maximum value.
- the minimum value is a value of the inclination angle ⁇ when the inclination angle ⁇ changes from decreasing to increasing in the graph of the inclination angle ⁇ .
- the maximum value is a value of the inclination angle ⁇ when the inclination angle ⁇ changes from increasing to decreasing in the graph of the inclination angle ⁇ .
- the insulator 40 has a concave curved surface 44 between the end portion 42 and the top portion 41 of the insulator 40.
- the concave curved surface 44 is located between the convex curved surface 43 and the top 41.
- the convex curved surface 43 and the concave curved surface 44 are smoothly continuous surfaces. Since the input device X2 has the concave curved surface 44 in addition to the convex curved surface 43, the convex curved surface 43 and the concave curved surface 44 of the insulator 40 are applied even when a pressing force by a user's finger or the like is applied to the insulator 40. Therefore, the stress applied to the second connection electrode 32 located at the end 42 of the insulator 40 can be further relaxed.
- the number of concave curved surfaces 44 for one insulator 40 is not particularly limited.
- the input device X3 is a capacitive touch panel, like the input devices X1 and X2.
- FIG. 8 is a diagram showing the input device X3, and is a cross-sectional view corresponding to II in FIG.
- FIG. 9 is an enlarged plan view showing a main part of the input device X3 of FIG.
- the thickness L1 of the second connection electrode 32 in the second detection electrode pattern 30 located at the end 42 of the insulator 40 is The thickness of the second connection electrode 32 in the second detection electrode pattern 30 located at the top 41 of the insulator 40 is larger than the thickness L2. For this reason, even if stress is applied to the second connection electrode 32 positioned at the end portion 42 of the insulator 40 due to the pressing of the user's finger or the like, the thickness L1 of the second connection electrode 32 at the end portion 42 of the insulator 40. Is ensured to some extent, the durability of the second connection electrode 32 at the portion is improved. Therefore, in the input device X3, damage to the second connection electrode 32 can be further reduced.
- the dummy electrode 32a is provided on the main surface 10a of the base 10 located in the vicinity of the end portion 42 of the insulator 40.
- the thickness L1 of the second connection electrode 32 located at the end 42 of the insulator 40 is increased. Note that the method is not limited to this method as long as the thickness L1 of the second connection electrode 32 positioned at the end portion 42 of the insulator 40 can be increased.
- the width M1 of the second connection electrode 32 in the second detection electrode pattern 30 located at the end portion 42 of the insulator 40 as viewed from above is the same as that of the insulator 40.
- the width is larger than the width M ⁇ b> 2 of the second connection electrode 32 in the second detection electrode pattern 30 located at the top 41. For this reason, even if stress is applied to the second connection electrode 32 positioned at the end portion 42 of the insulator 40 due to the pressing of the user's finger or the like, the width M1 of the second connection electrode 32 at the end portion 42 of the insulator 40. Is ensured to some extent, the durability of the second connection electrode 32 at the portion is improved. Therefore, in the input device X3, damage to the second connection electrode 32 can be further reduced.
- the thickness L1 of the second connection electrode 32 located at the end 42 of the insulator 40 is larger than the thickness L2 of the second connection electrode 32 located at the top 41 of the insulator 40, and
- the width M1 of the second connection electrode 32 positioned at the end 42 of the insulator 40 is larger than the width M2 of the second connection electrode 32 positioned at the top 41 of the insulator 40
- the present invention is not limited to this. . That is, in the input device X3, the widths M1 and M2 may be the same width, and the thickness L1 may be larger than the thickness L2. In the input device X3, the thicknesses L1 and L2 may be the same, and the width M1 may be larger than the width M2.
- the input device X4 is a capacitive touch panel, like the input devices X1 to X3.
- FIG. 10 is a diagram showing the input device X4, and is a cross-sectional view corresponding to II in FIG.
- the surface roughness of the end portion 42 of the insulator 40 is larger than the surface roughness of the top portion 41 of the insulator 40. Since the surface roughness of the end portion 42 of the insulator 40 is larger than the surface roughness of the top portion 41 of the insulator 40, the contact area of the second connection electrode 32 positioned at the end portion 42 of the insulator 40 with respect to the insulator 40. Is larger than the contact area of the second connection electrode 32 located on the top 41 of the insulator 40 with respect to the insulator 40.
- the adhesive strength of the second connection electrode 32 positioned at the end portion 42 of the insulator 40 is stronger than the adhesive strength of the second connection electrode 32 positioned at the top portion 41 of the insulator 40. For this reason, even if stress is applied to the second connection electrode 32 positioned at the end portion 42 of the insulator 40 by pressing of the user's finger or the like, the adhesive strength of the second connection electrode 32 at the end portion 42 of the insulator 40. Is secured to some extent, it is possible to suppress the peeling off of the second connection electrode 32 at the portion.
- the input device X5 is a capacitive touch panel, like the input devices X1 to X4.
- FIG. 11 is a cross-sectional view showing an input device X5 according to the fifth embodiment.
- the base 10 is warped so as to protrude to the side opposite to the side where the first detection electrode pattern 20 and the second detection electrode pattern 30 are located.
- the base 10 is such that the central portion of the input region E I is operated on the opposite side to the side where the first detection electrode pattern 20 and the second detection electrode pattern 30 are located (that is, the user operates with a finger or the like). It is curved to protrude to the side. For this reason, even if stress is applied to the base 10 by pressing the user's finger or the like, the base 10 is curved so as to protrude to the side operated by the user with the finger or the like. The stress applied to 20 and the second detection electrode pattern 30 can be relaxed.
- the display device Y1 includes an input device X1 and a liquid crystal display device Z1.
- the liquid crystal display device Z1 includes a liquid crystal display panel 60, a light source device 70, and a housing 80.
- the liquid crystal display panel 60 includes an upper substrate 61, a lower substrate 62, and a sealing member 63, and a liquid crystal layer (not shown) is interposed between the upper substrate 61 and the lower substrate 62. ) Is interposed.
- a liquid crystal layer is sealed with a sealing member 63, thereby forming a display region P composed of a plurality of pixels for displaying an image.
- the light source device 70 plays a role of irradiating light toward the liquid crystal display panel 60 and is disposed between the liquid crystal display panel 60 and the lower housing 82.
- the housing 80 is a member for housing the liquid crystal display panel 60 and the light source device 70, and has an upper housing 81 and a lower housing 82.
- Examples of the material of the housing 80 include a resin such as a polycarbonate resin, or a metal such as stainless steel and aluminum.
- the input device X1 and the liquid crystal display device Z1 are bonded via a double-sided tape T1.
- the fixing member used for fixing the input device X1 and the liquid crystal display device Z1 is not limited to the double-sided tape T1, and for example, an adhesive member such as a thermosetting resin or an ultraviolet curable resin, or the input device X1. And a fixed structure that physically fixes the liquid crystal display device Z1.
- the liquid crystal layer is controlled for each pixel by a liquid crystal driving circuit provided outside, the light from the light source device 70 is transmitted through the liquid crystal display panel 60, and an image is displayed on the display region P. it can.
- the display device Z1 includes an input device X1. Thereby, the display device Y1 has the same effect as that produced by the input device X1.
- the surface located on the opposite side of the main surface 10a of the base 10 is a surface operated by a user with a finger or the like, but is not limited thereto.
- the main surface 10a of the base body 10 is formed via the protective substrate 10A.
- the surface may be operated by the user with a finger or the like.
- the insulator 40 has been described as an example in which the insulator 40 has a rectangular shape extending in the direction along the second detection electrode pattern 30 when viewed from above, the present invention is not limited thereto. That is, the insulator 40 may be circular, elliptical, or the like when viewed from above. If the insulator 40 is circular or elliptical when viewed from above, the stress applied to the insulator 40 can be further relaxed.
- the minimum value of the insulator 40 takes a negative value, but may take a positive value as shown in FIG.
- the display panel is a liquid crystal display panel
- the present invention is not limited to this. That is, the display panel may be a CRT, plasma display, organic EL display, inorganic EL display, LED display, fluorescent display tube, field emission display, surface electric field display, electronic paper, or the like.
- any of the input devices X2 to X5 may be employed instead of the input device X1.
- a new input device may be adopted by combining at least two of the input devices X1 to X5.
- a new input device may be adopted by combining the input device X1 and the input device X2, or a new input device may be adopted by combining the input devices X1 to X3.
- a new input device may be adopted by combining the input devices X1 to X4, or a new input device may be adopted by combining the input devices X1 to X5.
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Abstract
Description
本発明の第1の実施形態に係る入力装置X1について説明する。入力装置X1は、静電容量方式のタッチパネルである。
次に、本発明の第2の実施形態に係る入力装置X2について説明する。入力装置X2は、入力装置X1と同様、静電容量方式のタッチパネルである。
次に、本発明の第3の実施形態に係る入力装置X3について説明する。入力装置X3は、入力装置X1,X2と同様、静電容量方式のタッチパネルである。
次に、本発明の第4の実施形態に係る入力装置X4について説明する。入力装置X4は、入力装置X1~X3と同様、静電容量方式のタッチパネルである。
次に、本発明の第5の実施形態に係る入力装置X5について説明する。入力装置X5は、入力装置X1~X4と同様、静電容量方式のタッチパネルである。
Y1 表示装置
Z1 液晶表示装置
10 基体
20 第1検出電極パターン
21 第1検出電極
22 第1接続電極
30 第2検出電極パターン
31 第2検出電極
32 第2接続電極
40 絶縁体
41 絶縁体の頂部
42 絶縁体の端部
43 凸曲面
60 表示パネル(液晶表示パネル)
Claims (10)
- 主面を有する基体と、
前記基体の前記主面上に設けられる第1検出電極パターンと、
前記基体の前記主面上に設けられ、一部が絶縁体を介して前記第1検出電極パターンと交差する第2検出電極パターンと、を備え、
前記絶縁体は、前記第2検出電極パターンに沿った断面で、該絶縁体の端部から頂部までの領域に凸曲面を有していることを特徴とする入力装置。 - 前記基体の前記主面に対する前記絶縁体の傾斜角度が、前記第2検出電極パターンに沿った断面で、前記絶縁体の前記端部と前記頂部との間に少なくとも1個の極小値と極大値とを有する、請求項1に記載の入力装置。
- 前記絶縁体の上面は、前記第2検出電極パターンに沿った断面に比べて該断面と直交する方向の断面の方が、平坦である、請求項1に記載の入力装置。
- 前記絶縁体は、上面視して、前記第2検出電極パターンに沿った方向に伸びる長方形状をなしている、請求項1に記載の入力装置。
- 前記第2検出電極パターンに沿った断面で、前記絶縁体の前記端部に位置する前記第2検出電極パターンの厚みは、前記絶縁体の前記頂部に位置する前記第2検出電極パターンの厚みよりも大きい、請求項1に記載の入力装置。
- 上面視して、前記絶縁体の前記端部に位置する前記第2検出電極パターンの幅は、前記絶縁体の前記頂部に位置する前記第2検出電極パターンの幅よりも大きい、請求項1に記載の入力装置。
- 前記絶縁体の前記端部の表面粗さは、前記絶縁体の前記頂部の表面粗さよりも大きい、請求項1に記載の入力装置。
- 前記基体は、前記第1検出電極パターンおよび前記第2検出電極パターンが位置する側とは反対側に突出するように反っている、請求項1に記載の入力装置。
- 請求項1に記載の入力装置と、
前記入力装置と対向配置される表示パネルと、を備えた表示装置。 - 前記表示パネルは、液晶表示パネルである、請求項9に記載の表示装置。
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US13/498,843 US9182857B2 (en) | 2009-12-28 | 2010-12-25 | Input device and display device provided with same |
JP2011522325A JP4902023B2 (ja) | 2009-12-28 | 2010-12-25 | 入力装置、およびこれを備えた表示装置 |
CN201080042795.2A CN102713799B (zh) | 2009-12-28 | 2010-12-25 | 输入装置、以及具备其的显示装置 |
KR1020127007965A KR101474897B1 (ko) | 2009-12-28 | 2010-12-25 | 입력 장치 및 이것을 구비한 표시 장치 |
EP10840968.1A EP2521012B1 (en) | 2009-12-28 | 2010-12-25 | Input device and display device provided with same |
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JP2009297977 | 2009-12-28 |
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WO2011081112A1 true WO2011081112A1 (ja) | 2011-07-07 |
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PCT/JP2010/073466 WO2011081112A1 (ja) | 2009-12-28 | 2010-12-25 | 入力装置、およびこれを備えた表示装置 |
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US (1) | US9182857B2 (ja) |
EP (1) | EP2521012B1 (ja) |
JP (3) | JP4902023B2 (ja) |
KR (1) | KR101474897B1 (ja) |
CN (1) | CN102713799B (ja) |
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JP2013186632A (ja) * | 2012-03-07 | 2013-09-19 | Toppan Printing Co Ltd | フィルム状タッチパネルセンサー及びその製造方法 |
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JP2016001460A (ja) * | 2014-06-11 | 2016-01-07 | 群創光電股▲ふん▼有限公司Innolux Corporation | タッチ表示装置及びタッチ基板 |
JP2017518586A (ja) * | 2014-06-20 | 2017-07-06 | クアルコム,インコーポレイテッド | 誘電体構造が中に形成された容量性タッチパネル |
JP2016129017A (ja) * | 2015-01-09 | 2016-07-14 | 三星ディスプレイ株式會社Samsung Display Co.,Ltd. | フレキシブルタッチパネル及びフレキシブル表示装置 |
JP7092454B2 (ja) | 2015-01-09 | 2022-06-28 | 三星ディスプレイ株式會社 | フレキシブルタッチパネル及びフレキシブル表示装置 |
JP2016154047A (ja) * | 2016-05-17 | 2016-08-25 | 株式会社ジャパンディスプレイ | 表示装置 |
JP2018026166A (ja) * | 2017-10-19 | 2018-02-15 | 株式会社ジャパンディスプレイ | 表示装置 |
JP2019046490A (ja) * | 2018-11-05 | 2019-03-22 | 株式会社ジャパンディスプレイ | タッチパネル |
Also Published As
Publication number | Publication date |
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JP2013020651A (ja) | 2013-01-31 |
US20120182250A1 (en) | 2012-07-19 |
CN102713799A (zh) | 2012-10-03 |
JP5683555B2 (ja) | 2015-03-11 |
KR20120061936A (ko) | 2012-06-13 |
JP4902023B2 (ja) | 2012-03-21 |
KR101474897B1 (ko) | 2014-12-19 |
EP2521012A4 (en) | 2015-04-08 |
JP2012033196A (ja) | 2012-02-16 |
JPWO2011081112A1 (ja) | 2013-05-09 |
CN102713799B (zh) | 2015-11-25 |
US9182857B2 (en) | 2015-11-10 |
EP2521012B1 (en) | 2016-11-23 |
JP5121995B2 (ja) | 2013-01-16 |
EP2521012A1 (en) | 2012-11-07 |
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