KR20080091001A - Input device, method of manufacturing the same, and electro-optical device - Google Patents

Abstract

An input device, and a manufacturing method and an electro-optical device thereof are provided to implement an excellent design and improve reliability by removing a gap between boundaries of an input panel and a cover member. An input device(40A) includes a cover member(45) that is approximately plate shaped in plan view, an analog resistive film-type touch panel(input panel)(4) that is disposed within a housing portion(45a) composed of a rectangular opening formed in the cover member, and a film member(flexible member)(30) that is adhered over a main surface(45s) of the cover member and a main surface(4s) of the touch panel. A light-shielding film(46) is formed on the cover member of the film member by printing. The light-shielding film has a rectangular opening(46a) within a planar region corresponding to an input portion of the touch panel. Accordingly, a planar region other than the input portion of the touch panel is shielded by the light-shielding film. The thickness of the touch panel is substantially similar to the thickness of the cover member, and the thickness of the touch panel is set to be equal to or less than the thickness of the cover member. Accordingly, the touch panel is housed in the housing portion of the cover member, and the main surface of the touch panel and the main surface of the cover member are substantially aligned with each other in side sectional view. An adhesive is provided between the main surface of the cover member and the light-shielding film. In addition, an adhesive(41) is provided between the main surface of the touch panel and a surface of the film member facing the touch panel to optically adhere the touch panel and the film member to each other. Then, the film member and the cover member, and the touch panel and the film member are adhered to each other.

Description

INPUT DEVICE, METHOD OF MANUFACTURING THE SAME, AND ELECTRO-OPTICAL DEVICE}

The present invention relates to input devices, electro-optical devices, and electronic devices.

In recent years, with the spread of small information electronic devices such as personal digital assistants (PDAs) and palmtop computers, liquid crystal devices equipped with touch panels as input devices on liquid crystal panels have been widely used (for example, patent documents). 1).

[Patent Document 1] Japanese Unexamined Patent Publication No. 2003-43450

By the way, when using the liquid crystal device provided with a touch panel as a display part of an electronic device, since it is necessary to expose a touch panel to the surface of a casing, normally, the frame part of a touch panel is pressed and supported by a casing. In such a structure, a step is formed between the casing and the operation surface of the touch panel (see Fig. 20), so that an integrated design with the casing cannot be adopted, so the degree of freedom in design is lowered.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems of the prior art, and provides an input device and an electro-optical device which can improve designability in an electronic device having an input means, and preferably also improve reliability. It is aimed at.

In order to solve the said subject, the input device of this invention is an input panel, the cover member provided with the accommodating part which accommodates the said input panel, the one main surface of the said input panel arrange | positioned at the said accommodating part, and the one side of the said cover member. It is characterized by having the flexible (film) member bonded over the main surface.

According to this configuration, a flexible member is adhered over the input panel and the cover member in a state where the input panel is accommodated in the accommodating portion of the cover member. It is possible to eliminate the step difference. Thereby, the input device excellent in designability can be implemented.

Moreover, since a flexible member is arrange | positioned at the main surface side of an input panel, when an input panel has a glass substrate, even if glass breaks, it becomes possible to prevent fragments from scattering.

In addition, as the step is eliminated, dust can collect at the stepped portion, and water droplets or the like can enter the boundary between the input panel and the cover member, thereby eliminating an input device having excellent reliability.

It is good also as a structure which the 2nd flexible member adhere | attaches on the opposite side which sandwiched the said flexible member and the said input panel.

With such a configuration, since the movement of the panel thickness direction of the input panel is restricted by the second flexible member, it is possible to prevent the input panel from being pressed inward by the pressing force of the input mechanism or the finger during the input operation to the input panel. have.

It is preferable that the said flexible member is a film member. By using the flexible member as a thin film member, it is possible to prevent the operating pressure on the input panel from increasing, and also to obtain a high transmittance when displaying a liquid crystal panel through the input panel, thereby providing high quality display. Will be obtained. In addition, by setting it as a film member also about a 2nd flexible member, the whole input device is prevented from becoming thick and it becomes an input device which can comprise a thin electronic device.

It is good also as a structure in which the light shielding film is formed in the surface by the side of the said input panel of the said film member.

Thus, by forming a light shielding film in a film member, the blinder of an unnecessary site | part can be formed easily. In addition, the alignment of the light shielding film can be easily performed. In addition, the design can be improved.

It is preferable that the said film member and the said input panel are optically bonded.

With such a configuration, when performing the display through the input panel, unnecessary reflection can be prevented from occurring at the interface of the air layer positioned between the input panel and the film member, thereby preventing the display quality from deteriorating and being bright. You will get an indication.

It is good also as a structure which the said film member has an opening part in the planar area | region of the said input panel. By providing the openings in the film member in this manner, the operating surface of the input panel can be exposed, and the operating pressure can be reduced to provide a comfortable input operation. In this invention, since a thin member is adhere | attached to an input panel and a cover member, a big step | step is not formed in the opening part of a film member, and operability can be improved without substantially impairing designability.

It is good also as a structure which an adhesive agent is arrange | positioned between the said input panel and the inner wall surface of the said accommodating part.

With such a configuration, since the cover member and the input panel are bonded together, the input panel can be supported more stably, and the input panel can be more reliably prevented from being pressed during the input operation.

The flexible member bonded to the one main surface side of the input panel may be a polarizing plate.

With such a configuration, a part of the optical elements of the display means such as the liquid crystal panel arranged on the back side of the input panel can be arranged on the front side of the input device.

The front side of the input panel is not limited to the polarizing plate, and other optical elements may be disposed. For example, you may arrange | position the optical element which laminated | stacked the polarizing plate and retardation plate, and may arrange | position an antireflection film and a light-diffusion film.

It is preferable that the accommodation portion is an opening formed through the cover member.

With such a configuration, processing for forming the housing portion becomes easy, and the input device can be manufactured at low cost. In this invention, since the input panel arrange | positioned at the accommodating part is supported by the flexible member bonded over the main surface of the cover member and the main surface of the input panel, it is necessary to have the function of holding the input panel in the accommodating part itself. none. Moreover, the influence of the deviation of the dimension (especially thickness) of an input panel can also be excluded.

Next, the electro-optical device of the present invention includes an input panel, a cover member provided with a receiving portion for accommodating the input panel, one main surface of the input panel disposed on the accommodating portion, and one main surface of the cover member. An input device having a bonded flexible member, and an electro-optical panel disposed opposite the flexible member of the input device.

According to this configuration, it is possible to provide an electro-optical device capable of displaying an image through the input operation and the input panel, by which the excellent design can be obtained by the input device according to the present invention.

As said electro-optical panel, various display apparatuses, such as a liquid crystal panel, an organic electroluminescent panel, and an electrophoretic display panel, can be used. Alternatively, a plasma display device or a field emission display device (field emission display device (FED)) may be used.

It is preferable that the board | substrate which comprises the said electro-optical panel, and the surface of the said input device on the opposite side to the said flexible member are optically bonded.

According to this configuration, the display light emitted from the electro-optical panel can be prevented from being reflected by the substrate surface or the like of the input panel constituting the input device, so that a bright display can be obtained.

It is good also as a structure which the said electro-optical panel adheres to the said cover member, and hold | maintains the said input panel with the said flexible member.

By holding the input panel between the electro-optical panel and the flexible member in this way, the movement of the panel in the panel thickness direction is restricted, so that the input panel is pressed against the electro-optical panel side during the input operation to the input panel. It can prevent.

It is good also as a structure whose said flexible member is a polarizing plate. With such a configuration, since the polarizing plate disposed between the electro-optical panel and the input device is disposed outside the input panel, the space on the back side of the input panel can be saved, and the electric which can be easily mounted on a small electronic device. It becomes an optical device.

The translucent elastic member may be disposed between the substrate constituting the electro-optical panel and the surface of the input device opposite to the flexible member.

As another aspect for solving the above problems, the present invention provides an input panel, a cover member provided with a receiving portion for accommodating the input panel, and one main surface of the input panel accommodated in the accommodating portion and one main surface of the cover member. And a film member adhered to the input panel and the cover member along a step formed in a boundary portion between the main surface of the input panel and the main surface of the cover member.

According to this structure, since the said film member is deformed and adhere | attached so that it may follow the level | step difference formed in the boundary between the main surface of the said input panel and the main surface of the said cover member, the surface of a film member will smoothly continue and the step will be smoothly continued. It becomes a shape and can prevent the fall of the designability resulting from a level | step difference. Thereby, the input device excellent in designability can be implemented.

Moreover, since a film member is arrange | positioned at the main surface side of an input panel, when an input panel has a glass substrate, even if glass breaks, it becomes possible to prevent fragments from scattering.

In addition, since the film member is adhered by covering the stepped portion of the boundary, dust can accumulate in the stepped portion, and water droplets and the like can be eliminated from the boundary between the input panel and the cover member, thereby achieving an excellent input device. have.

It is good also as a structure which the back side film member which hold | maintains the said input panel with the said film member is adhere | attached on the back surface opposite to the said main surface of the said cover member.

With such a configuration, since the movement of the panel thickness direction of the input panel is restricted by the back side film member, the input panel can be prevented from being pressed inward by the pressing force of the input mechanism or the finger during the input operation to the input panel. have.

It is good also as a structure which the said film member has an opening part in the planar area | region of the said main surface of the said input panel.

By providing the openings in the film member in this manner, the operating surface of the input panel can be exposed, and the operating pressure can be reduced to provide a comfortable input operation. In this invention, since a film member is adhere | attached to an input panel and a cover member, a big step | step is not formed in the opening part of a film member, and operability can be improved without damaging designability substantially.

It is good also as a structure which the said film member has a structure which laminated | stacked the 1st resin layer and the 2nd resin layer which consists of resin materials with hardness lower than the said 1st resin layer. In such a configuration, by providing the second resin layer having high flexibility, the film member is flexibly deformed at the boundary between the input panel and the cover member, so that the film member can be brought into good contact with the input panel and the cover member. Can be.

It is preferable that a said 2nd resin layer has an opening part in the planar area | region of the said input panel. In such a configuration, since a harder first resin layer is disposed on the input panel, it becomes a configuration capable of satisfactorily preventing wear and damage caused by the input operation.

It is preferable that the panel support part which contacts the said input panel and supports the said input panel in the said accommodating part of the said cover member is formed. With such a configuration, since the movement of the panel thickness direction of the input panel can be regulated by the panel support portion, alignment of the input panel with respect to the cover member can be facilitated, and adhesion of the film member can be easily performed. .

It is preferable that the said panel support part is formed in the frame shape which protrudes from the inner wall of the said accommodating part into the said accommodating part. In other words, the panel support is preferably configured to press the periphery of the input panel. With such a configuration, the peripheral portion of the input panel can be configured by the panel support part. Moreover, by providing a panel support part separately from the accommodating part, the height of the step | step in the boundary part of a cover member and an input panel can be made low.

It is good also as a structure by which the adhesive agent is arrange | positioned between the said input panel and the said cover member. With such a configuration, the input member can be more stably supported by the cover member, thereby improving the ease of handling in the manufacturing process, the reliability during the input operation, and the like.

Next, the manufacturing method of the input device of this invention is a manufacturing method of the input device provided with an input panel and the cover member which supports the said input panel, Comprising: The said input part is a receiving part which consists of the recessed part or opening formed in the said cover member. A panel arranging step of arranging panels, a film arranging step of arranging a film member over an input operation surface of the input panel and a main surface of the cover member on the input operation surface side, and heating and softening the film member, And an adhering step of adhering the input panel and the cover member.

According to this manufacturing method, the film member can be adhered to the input panel and the cover member very easily, and the film member can be deformed to have a shape along the boundary.

In the bonding step, the film member is preferably bonded by a vacuum thermal welding method. According to this manufacturing method, adhesion and adhesion of a film member can be performed very easily and efficiently.

You may have the process of adhering the back side film member which supports the said input panel from the said back side to the back surface of the said cover member on the opposite side to the said main surface. According to such a manufacturing method, since the input panel can be fixed to the cover member before the film member is adhered, the adhesion of the film member can be performed accurately, and the manufacturing method contributes to the improvement of the yield.

The said film member has the structure which laminated | stacked the 1st resin layer and the 2nd resin layer which consists of resin materials with hardness lower than the said 1st resin layer, and in the said film arrangement process, the said input panel and the said cover member, You may arrange | position the said 2nd resin layer in the boundary part of the. According to this manufacturing method, it becomes easy to deform | transform a film member so that the shape of a boundary part may be followed by arrange | positioning a more flexible 2nd resin layer.

Next, the electro-optical device of the present invention is bonded over an input panel, a cover member provided with a receiving portion for accommodating the input panel, and one main surface of the input panel accommodated in the accommodating portion and one main surface of the cover member. And an input device having a film member in close contact with the input panel and the cover member along a step formed at a boundary between the main surface of the input panel and the main surface of the cover member, and the film member of the input device. And electro-optical panels arranged on opposite sides.

According to this configuration, an excellent design can be obtained by the input device according to the present invention, and an electro-optical device capable of displaying an image through the input operation and the input panel can be provided.

As said electro-optical panel, various display apparatuses, such as a liquid crystal panel, an organic electroluminescent panel, and an electrophoretic display panel, can be used. Alternatively, a plasma display device or a field emission display device (field emission display device (FED)) may be used.

The electronic device of the present invention is characterized by comprising the input device or the electro-optical device described above. According to this structure, the electronic device excellent in designability can be provided.

As described above, according to the present invention, by eliminating the step difference between the input panel and the cover member, an input device excellent in designability can be realized, thereby improving reliability.

EMBODIMENT OF THE INVENTION Hereinafter, the Example of this invention is described, referring drawings. In each of the drawings referred to below, however, the film thickness of each component, the ratio of the dimensions, and the like are appropriately different.

(1st embodiment)

1A is a schematic cross-sectional view of an input device 40A according to a first configuration example of the first embodiment of the present invention. 1B is a schematic cross-sectional view of the input device 40B according to the second configuration example of the first embodiment. FIG. 2 is a schematic plan view of the input device 40A shown in FIG. 1. 3 is an exploded perspective view showing the structure of the touch panel 4.

[First Configuration Example]

As shown in FIG. 1 and FIG. 2, the input device 40A of the present embodiment has a housing portion comprising a substantially plate-like cover member 45 and a rectangular opening formed in the cover member 45 in plan view. Analog resistive touch panel (input panel) 4 disposed in 45a), main surface 45s (front surface in FIG. 2) of cover member 45, and main surface 4s of touch panel 4 It is provided with the film member (flexible member) 30 adhere | attached over. On the cover member 45 side of the film member 30, a light shielding film 46 formed by printing, for example, is formed, and the light shielding film 46 has a rectangular shape in a planar area corresponding to the input portion 40a of the touch panel 4. Has an opening portion 46a. Therefore, the planar area | region other than the input part 40a of the touch panel 4 (planar area | region from the outer side from the input part 40a to the edge part of the board | substrate main body 11b) is shielded by the light shielding film 46. FIG.

The thickness of the touch panel 4 and the cover member 45 are almost the same, and the thickness of the touch panel 4 is set to be stored within the thickness of the cover member 45. Therefore, the touch panel 4 is accommodated in the accommodating part 45a of the cover member 45, and the main surface 4s of the touch panel 4 and the main surface 45s of the cover member 45 are almost seen from the side cross section. It is arranged in a horizontal position. An adhesive (not shown) is provided between the main surface 45s of the cover member 45 and the film member 30 (light shielding film 46), and the main surface 4s of the touch panel 4 and the film member 30 are provided. The adhesive 41 which optically bonds both is provided between the surfaces of the touch panel 4 side of (), and the film member 30, the cover member 45, the touch panel 4, and the film member 30 are Each is bonded.

As a result, as shown to Fig.1 (a), the surface of the film member 30 which supports the touch panel 4 and the cover member 45 is a flat surface without a level | step difference. In other words, the step is substantially prevented from occurring between the main surface 4s of the touch panel 4 and the main surface 45s of the cover member 45.

The touch panel 4 has a predetermined gap and opposes the front side substrate (first substrate) 8a and the back side substrate (second substrate) 8b at the periphery of these two substrates 8a, 8b. Bonding is integrated by the sealing material 9 provided in ring shape.

As shown in FIG. 3, the front side board | substrate 8a of the touchscreen 4 is the same planar surface which consists of a transparent conductive material in the inner surface (surface of the back side board side) of the board | substrate main body 11a which is a transparent base material. A pair of shape electrodes (high resistance film; first electrode) 12a is formed, and one pair is provided at both ends of the planar electrode 12a in the Y-direction (two side ends facing the rectangular planar electrode 12a). The low resistance film 13 is formed. The low resistance film 13 formed on the front side substrate 8a is electrically conductively connected to the auxiliary electrode 18 formed on the back side substrate 8b with the conductive material 17 therebetween, and the auxiliary electrode 18 thereon. It is led out to the terminal part 16 via the following. The low resistance films 13 and 14 and the auxiliary electrode 18 constitute the wiring portion of the touch panel 4 and are formed along the periphery of the substrate 8a or the substrate 8b.

On the other hand, the back side substrate 8b of the touch panel 4 has the same planar surface electrode (high resistance) which consists of a transparent conductive material on the inner surface (surface of the front side substrate side) of the board | substrate main body 11b which is a transparent base material. Film; 2nd electrode) 12b is formed, and a pair of low resistance film | membrane 14 is carried out at the both ends of the X-direction of the planar electrode 12b (two edge part which the rectangular planar electrode 12b opposes). ) Is formed. In the edge part of the back side board | substrate 8b, the terminal part 16 connected with the wiring drawn out from the low resistance film 13 and the low resistance film 14 is formed.

As shown in FIG. 1, the flexible printed circuit board 16a is bonded to the terminal portion 16 with an anisotropic conductive paste (ACP) or an anisotropic conductive film (ACF) interposed therebetween, so that the terminal portion 16 and an external control circuit are connected. Is electrically connected.

In the present embodiment, as an outer surface of the front substrate 8a, a planar region corresponding to the formation region of the planar electrode 12a is positioned directly on the touch panel by the coordinate input surface (input mechanism 3, fingers, or the like). The input unit 40a serving as an operation surface for instructing to execute an input operation.

The hard glass substrate is used for the board | substrate main bodies 11a and 11b which comprise the front side board 8a and the back side board 8b. By using the front substrate 8a as a glass substrate, the problem of substrate and electrode degradation as in the case where the plastic substrate is used for the front substrate is not generated. On the other hand, since a rigid glass substrate is inferior to a plastic film board | substrate, since a softness | flexibility at the time of input is small, there exists a problem that it is impossible to fully input. Therefore, in this embodiment, the problem of operability is solved by making thickness of a glass substrate thin to about 0.1 mm-about 0.2 mm. On the other hand, as the board | substrate main body 11b which comprises the back side board | substrate 8b, the thing of thickness similar to a liquid crystal panel etc. is used. For example, in this example, the thickness of the back side substrate 8b of the touch panel 4 is set to about 0.5 mm.

The planar electrodes 12a and 12b are made of a transparent conductive film such as ITO (indium tin oxide), and have almost uniform sheet resistance throughout the in-plane thereof. In addition, the low resistance films 13 and 14, the auxiliary electrode 18, and the terminal portion 16 contain a highly conductive metal thin film such as Au, Ag, Cu, Al, Cr, or any one or more of these metals. It is formed of an alloy.

In this embodiment, since the glass substrate is used as the board | substrate main body of the front side board | substrate 8a and the back side board | substrate 8b, unlike the conventional touch panel which used a plastic film board | substrate, high temperature heat processing and strong acid etching are performed. Etching treatment using a solution is possible. For this reason, in this embodiment, these conductive films (surface-shaped electrodes 12a, 12b, auxiliary electrode 18, the terminal part 16, etc.) for detecting coordinate information are all vacuum processes, such as a sputtering method or a vapor deposition method. And the low resistance films 13 and 14 and the auxiliary electrode 18 are thinned by an etching process to form a wiring part of a narrow frame portion. For example, when APC (AgPdCu alloy, specific resistance is about 4 × 10 ^-6 Ωcm) is used for the wiring part, conventionally, a relay wiring made of silver paste having a thickness of 20 μm and a line width of 1 mm is 0.2 μm thick and a line width of 0.1 mm at APC. It is possible to write. In addition, the specific resistances (? Cm) of copper, aluminum, and chromium are about 6 × 10 ⁻⁶ , 6 × 10 ⁻⁶ , and 5 × 10 ⁻⁵ , respectively. It is possible to thin the digits.

On the surface electrode 12b of the back side board | substrate 8b, the buffer member 15 which consists of resin materials etc. is arrayed. The buffer member 15 preferably uses an elastic material such as silicone or urethane (for example, an elastic modulus in the range of 1 × 10 ⁴ N / m 2 to 1 × 10 ⁸ N / m 2), It can form on the surface electrode 12b using the printing method. This buffer structure also functions as a spacer for controlling the gaps of the substrates 8a and 8b.

As the film member 30 adhere | attached on the touch panel 4, the film material which consists of transparent resin materials, such as polyethylene, polyester, and polypropylene, such as PET (polyethylene terephthalate), can be used. In the input device 40A, in the coordinate input operation with respect to the touch panel 4, the input mechanism 3, a finger, etc. are slid on the surface of the film member 30, and the back side of the touch panel 4 ( Display means, such as a liquid crystal panel, is arrange | positioned at the film member 30 opposite side, and is used also as a display apparatus. Therefore, as the film member 30, it is preferable that the wear by operation and the damage of the surface of the cover member 45 and the touch panel 4 can be prevented favorably, and a favorable transmittance | permeability can be obtained.

As an adhesive agent (adhesive) provided between the film member 30 and the touch panel 4, various adhesives, such as an acryl type, a rubber type, and a silicone type, can be used. In this embodiment, since the film member 30 and the touch panel 4 are optically adhere | attached, it is preferable to use a silicone type adhesive.

The light shielding film 46 formed in the cover member 45 side surface of the film member 30 is a colored film formed by apply | coating a black material or a white material by printing, for example. In the case of this embodiment, it functions as the blinder of the area | region in which the sealing material 9 of the touch panel 4 was formed, and the part in which the terminal part 16 was formed, and the back side of the touch panel 4 (film member 30 and In the case where display means such as a liquid crystal panel is provided on the other side, it also functions as a peripheral section for display. As long as the light shielding film 46 has light shielding properties, arbitrary indexes can be used, and the shape may be provided.

Not only the said light shielding film 46 but also the film member 30 can be given the design which consists of arbitrary colors and patterns. Such a design can be formed on either side of the film member 30, but is preferably formed on the cover member 45 side from the standpoint of protecting the printed matter.

The cover member 45 is comprised by a plastic plate and a metal plate, and can be used without a problem if it is a base material with predetermined strength. This cover member 45 can be used not only as a support body of the touch panel 4 but also as a member constituting an operation panel of an electronic device, for example. In this case, the cover member 45 can be used as an operation unit with a touch panel. In addition, when using the input apparatus 40A as an operation part of an electronic device, you may provide the operation button and the through hole for a switch in the cover member 45, and such a process can be easily performed by punching or cutting. Moreover, since printing can be performed to the film member 30, character information, such as a button and switch description, can be printed.

In the input device 40A of the present embodiment having the above configuration, the touch panel 4 is disposed in the accommodation portion 45a formed in the cover member 45, and the main surface 4s and the cover of the touch panel 4 are covered. By having the structure which adhere | attached the film member 30 over the main surface 45s of the member 45, the step | step between the input operation surface of the touch panel 4 and the outer cover member 45 surface is eliminated, have. This improves the degree of freedom in design compared with the conventional art, and provides an input device with excellent design.

In addition, when there is a step between the touch panel and the casing as in the related art, there arises a problem that water droplets easily enter the casing from the gap between the stepped portions when dust accumulates in the step or when water droplets adhere. In the embodiment, since the entire surface including the cover member 45 is covered by the film member 30, dust does not collect and damage the aesthetics, or water droplets invade the cause of failure and provide excellent reliability. It becomes a device.

Further, since the film member 30 is bonded to the front substrate 8a of the touch panel 4 made of a thin glass substrate having a thickness of about 0.1 to 0.2 mm with the adhesive agent 41 interposed therebetween, it is dropped or foreign matter. Even when the front substrate 8a is broken by the collision, the glass member can be prevented from being scattered by the film member 30, and an input device excellent in safety can be realized. In particular, in this embodiment, since the film member 30 is adhere | attached so that the one surface containing the touch panel 4 and the cover member 45 may be adhere | attached, the film member 30 is hard to peel off very much, and this point Also, safety is excellent.

In addition, in the input device 40A of this embodiment, the touch panel 4 is arrange | positioned in the accommodating part 45a provided through the cover member 45. As shown in FIG. That is, the cover member 45 does not restrict the movement of the touch panel 4 in the substrate thickness direction. Therefore, even if a manufacturing gap occurs in the thickness of the touch panel 4, the touch panel 4 and the cover member 45 can be adhered to the film member 30 so that the surface of the film member 30 is flat. .

Here, the input operation of the touch panel 4 will be described.

In the touch panel 4, an input control circuit (not shown) is connected to the terminal portion 16, and the input control circuit is provided at both ends in the X direction of the back side substrate 8b at some point in time by the input control circuit. A predetermined voltage is applied between the resistive films 14 and 14, and the voltage measuring means in the input control circuit is provided between the low resistive films 13 and 13 located at both ends in the Y direction of the front substrate 8a. (Voltage measuring circuit or voltage measuring element, not shown) is electrically connected. At this point in time, a uniform voltage drop in which the voltage changes linearly along the X direction occurs in the planar electrode 12b of the back side substrate 8b, so that the parts having the same position coordinate axes in the X direction have substantially the same potential. The voltage distribution to be constituted. At this time, when the part with the coordinate input surface of the front side board | substrate 8a is pressurized by the front-end | tip of the input mechanism 3, the surface electrode 12a of the front side board | substrate 8a and the surface electrode of the back side board 8b. 12b contacts and inputs the voltage of the planar electrode 12b in the position corresponding to the said site | part pressed by the input mechanism 3 via the planar electrode 12a of the front side board | substrate 8a. Measured by the control circuit. Since the value of this measured voltage is correlated with the position coordinate of the X direction of the pressed part, the input control circuit can detect the position of the X direction of the part pressed by the input mechanism 3.

On the other hand, at another point in time, a predetermined voltage is applied between the low resistance films 13 and 13 located at both ends of the front side substrate 8a in the Y direction by the input control circuit. The voltage measuring means is connected between the low resistance films 14 and 14 located at both ends in the Y direction. At this point in time, a uniform voltage drop occurs in the planar electrode 12a of the front substrate 8a along the Y direction to form a voltage distribution in which the voltage changes linearly. The input control circuit receives the voltage of the planar electrode 12a of the front substrate 8a at a position corresponding to the portion pressed by the input mechanism 3, and the planar electrode 12b of the rear substrate 8b. By detecting through, the position of the pressurization site | region in the Y direction can be detected similarly to the case of the position regarding the X direction mentioned above.

By repeating the switching of the two connection states to the input control circuit for a short time, the input control circuit can detect the position coordinate value in the X direction and the position coordinate axis in the Y direction of the portion pressed by the input mechanism 3. .

In addition, since the touch panel 4 of this embodiment has a structure which adhesively integrated two glass substrates with a sealing material, it can fundamentally manufacture by the method similar to manufacturing a liquid crystal panel. For this reason, when the board | substrate main body used for manufacture of the touch panel 4 is about the same thickness as the two board | substrates of a liquid crystal panel, it is possible to make the manufacturing line of the touch panel 4 common with the manufacturing line of a liquid crystal panel. Done. However, the front substrate 8a needs to be thinned and flexible for the coordinate input operation. Therefore, after bonding two substrates about 0.5 mm thick, one substrate is subjected to etching treatment and 0.1 mm. It should be as thin as ~ 0.2mm. When the substrate thinned from the beginning of the manufacturing process is used, handling of the substrate becomes difficult, cracking of the substrate may occur during the manufacturing process, and it is weak against mechanical impact. As described above, by thinning only the substrate main body 11a on the front side after bonding the sealing material 9 therebetween, it is possible to effectively prevent the occurrence of a defect in such a manufacturing process.

Second Configuration Example

On the other hand, in the input device 40B shown in FIG. 1B, in addition to the adhesive agent 41 between the touch panel 4 and the film member 30, the touch panel 4 and the cover member 45 are accommodated. The adhesive agent 42 is filled in the frame shape surrounding the touch panel 4 between the inner wall parts of the part 45a. Therefore, the touch panel 4 is fixed to both the film member 30 and the cover member 45.

And according to the input device 40B with the adhesive agent 42 arrange | positioned between the touch panel 4 and the cover member 45, in addition to being able to acquire the effect similar to the input device 40A mentioned above, The following effects can be obtained.

That is, since the touch panel 4 is supported by the cover member 45 and the movement in either of the substrate surface direction and the substrate thickness direction is restricted, the touch panel 4 is operated by the input operation of the touch panel 4. The touch panel 4 does not move inside the housing portion 45a by being pressed inwards or by an impact such as a drop, so that the input device can be excellent in operability and durability.

Third Configuration Example

Next, Fig. 4A is a schematic cross-sectional view of an input device 40C which is a third configuration example of the input device of the first embodiment. 4B is a diagram illustrating a planar configuration of the input device 40C. Fig. 4A is a diagram corresponding to Figs. 1A and 1B, and Fig. 4B is a diagram corresponding to Fig. 2.

The difference between the input device 40C of the present example and the input device 40B of the second configuration example is that the opening 30a is formed in the film member 30 formed over the cover member 45 and the touch panel 4. Is the point. Therefore, in Fig. 4, the same components as those in Fig. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 4, the opening part 30a of the film member 30 is formed in the rectangular shape along the edge of the opening part 46a of the light shielding film 46 formed so that it may overlap with the periphery of the touch panel 4, It is opened corresponding to the planar area used as the input operation part of the touch panel 4. Therefore, in the input device 40C, the input operation to the touch panel 4 is performed by sliding the input mechanism 3 or a finger directly on the front side substrate 8a.

In the input device 40C of the present example having the above configuration, since the input operation to the touch panel 4 is performed by directly pressing the front side substrate 8a, the input operation is performed via the film member 30. Compared with the input apparatus 40A, 40B of 1st Embodiment which performs the following, operation pressure becomes low, and input operation can be performed comfortably.

In addition, in this example, since the film member 30 is partially removed and the opening part 30a is formed, the area | region to which the film member 30 and the touch panel 4 adhere | attach across the adhesive agent 41 is It is a peripheral region of the touch panel 4 (front side substrate 8a). Although the width | variety of this peripheral area | region depends also on the size of the touch panel 4, since at least several mm can be ensured normally, the adhesive strength of the film member 30 and the touch panel 4 can be ensured. However, compared with the input apparatus 40A, 40B shown in FIG. 1, since adhesive area is narrow and adhesive strength is low, in the input device 40C of this example, it is the touch panel 4 similarly to the input device 40B. It is preferable to arrange | position the adhesive agent 42 between the space | intervals of (circle) and the cover member 45, and to adhere | attach the cover member 45 and the touch panel 4 to it.

In addition, in the case of this example, as shown in FIG. 4, the light shielding film 46 formed in the cover member 45 side of the film member 30 is formed in the outer side of the opening part 30a of the film member 30, and a film It is preferable to set it as the structure which the light shielding film 46 is covered by the adhesive agent 41 which adhere | attaches the member 30 and the touchscreen 4. By setting it as such a structure, since the light shielding film 46 is not exposed in the opening part 30a, peeling generate | occur | produces from the interface of the light shielding film 46 and the film member 30 can be prevented, and also the light shielding film 46 is prevented. It can protect effectively.

In addition, in the case of this example, since the front substrate 8a of the touch panel 4 is exposed, if the substrate main body 11a of the front substrate 8a is a glass substrate, the glass substrate may be damaged due to a drop or the like. When broken, there is a fear that fragments may scatter. Therefore, when employ | adopting a structure like this example, it is preferable to use a high strength glass substrate and a plastic substrate as the board | substrate main body 11a of the front side board | substrate 8a. Alternatively, a protective layer may be formed by applying a transparent resin to the surface of the substrate main body 11a.

Fourth Configuration Example

FIG. 5: is schematic sectional drawing of the input device 40D which is a 4th structural example of the input device of 1st Embodiment, and is a figure corresponding to FIG. 1 (a) and FIG. 1 (b).

As shown in FIG. 5, the input device 40D of this structural example is equipped with the input device 40B which concerns on a 2nd structural example as a basic structure, and is also the cover member 45 side of the film member 30. As shown in FIG. The polarizing plate 6a is arrange | positioned at. The polarizing plate 6a can be used as an optical element of display means, such as a liquid crystal panel arrange | positioned at the back side (opposite side to the film member 30) of the touch panel 4.

According to the input device 40D provided with the above structure, since the polarizing plate 6a and the film member 30 are disposed on the front surface side of the touch panel 4, the touch panel ( Although the operating pressure of 4) increases, the protection of the touch panel 4 becomes more reliable. In addition, scattering of glass can be prevented more effectively even when the touch panel 4 provided with a glass substrate is damaged.

In addition, although the polarizing plate 6a is arrange | positioned between the film member 30 and the light shielding film 46 in this example, you may arrange | position the polarizing plate 6a between the light shielding film 46 and the cover member 45. FIG. Or you may arrange | position the polarizing plate 6a with the touch panel 4 in the accommodating part 45a. In addition, when the polarizing plate 6a has sufficient durability, even if the polarizing plate 6a is used as a flexible member adhere | attached with the touch panel 4 and the cover member 45, without providing the film member 30. FIG. good.

In addition, between the film member 30 and the cover member 45, not only a polarizing plate but other optical elements can also be arrange | positioned. For example, you may arrange | position the optical element (circular polarizing plate) which laminated | stacked the polarizing plate 6a and (lambda) / 4 phase difference plate, or the polarizing plate 6a, (lambda) / 4 phase difference plate, and (lambda) / 2 phase difference plate. Or you may arrange | position an antireflection film and a light-diffusion film.

[Fifth configuration example]

6A is a schematic cross-sectional view of an input device 40E that is a fifth configuration example of the input device of the first embodiment. FIG. 6A is a diagram corresponding to FIGS. 1A and 1B.

As shown in FIG. 6 (a), the input device 40E of the present configuration example includes the input device 40B according to the second configuration example as a basic configuration, and further includes a back side of the touch panel 4 ( The film member 31 (2nd flexible member) is adhere | attached so that the touch panel 4 and the cover member 45 may be covered from the film member 30 opposite.

Moreover, about the flexible printed circuit board 16a which draws out a terminal from the touch panel 4, it is pulled outward through the slit-shaped opening provided in the film member 31. FIG.

As the film member 31, the film material which consists of transparent resin materials, such as polyethylene, polyester, polypropylene, such as PET (polyethylene terephthalate), can be used similarly to the film member 30. As shown in FIG. By adhering the film member, it is possible to prevent the thickness of the entire input device 40E from increasing.

The film member 31 is preferably adhered to both the back side substrate 8b and the cover member 45 of the touch panel 4, and the film member 31 and the touch panel 4 are optically bonded. It is preferable. However, when at least the film member 31 and the cover member 45 are bonded together, the movement of the substrate thickness direction of the touch panel 4 is restricted by the film member 31 and the film member 30, so that the film member The 31 and the touch panel 4 are not adhered, and there may be a space between the film member 31 and the touch panel 4.

According to the input device 40E provided with the above structure, the film member 31 is disposed on the back side of the touch panel 4 so that the touch panel 4 is held between the film members 30 and 31. Therefore, the touch panel 4 can be prevented from being pressed by the pressing force by the input mechanism 3, the finger, or the like during the input operation to the touch panel 4.

In addition, the film member 31 may be a polarizing plate or a retardation plate in addition to the above-mentioned transparent film. Or you may arrange | position not only a single optical element but the optical element (circular polarizing plate) which laminated | stacked the polarizing plate and (lambda) / 4 phase difference plate, or a polarizing plate, (lambda) / 4 phase difference plate, and (lambda) / 2 phase difference plate. Or you may arrange | position a light-diffusion film.

[Sixth Configuration Example]

6B is a schematic cross-sectional view of the input device 40F which is a sixth structural example of the input device of the first embodiment. FIG. 6 (b) is a diagram corresponding to FIG. 1 (a) and FIG. 1 (b).

As shown in FIG.6 (b), the input apparatus 40F of this structural example is equipped with the input apparatus 40E which concerns on a 5th structural example as a basic structure, and is the back side of the touch panel 4 The opening part 31a is formed in the film member 31 (2nd flexible member) adhering to the (opposite side to the film member 30). The opening part 31a is formed with the planar area | region which substantially matches planar view with the opening part 46a of the light shielding film 46. FIG.

According to the input device 40F having the above structure, the film member 31 is disposed on the back side of the touch panel 4 so that the touch panel 4 is held between the film members 30 and 31. Since the touch panel 4 is pressed, the touch panel 4 can be prevented from being pressed by the pressing force of the input mechanism 3 or the finger at the time of the input operation to the touch panel 4.

Moreover, since the opening part 31a is formed, when display means, such as a liquid crystal panel, is arrange | positioned at the back surface side of the touch panel 4, for example, a film member (the Since 31) is not arranged, light loss, refraction, reflection at the interface, etc. by the film member 31 do not occur, and bright and high quality display can be obtained.

In the case of this embodiment, since the opening part 31a is formed in the film member 31, the film member 31 is a structure which supports the periphery of the touch panel 4. As shown in FIG. Therefore, it is preferable that the film member 31 and the back side board 8b of the touch panel 4 adhere | attach so that the touch panel 4 may be stably supported by the film member 31. FIG.

In addition, the above embodiment illustrates the configuration of the input device according to the present invention, and various modifications can be made to the configuration of each component.

For example, the touch panel 4 may be configured to have a buffer structure in which a liquid material for adjusting refractive index is enclosed in a space surrounded by the front substrate 8 a, the rear substrate 8 b, and the sealing material 9. . As the liquid material encapsulated between the front substrate 8a and the back substrate 8b, it is preferable to use a silicone oil or the like whose refractive index difference from glass is smaller than that of air.

When the liquid material is encapsulated, when display means such as a liquid crystal panel is arranged on the back side of the touch panel, the light emitted from the display means causes the interface between the back side substrate 8b and the space or the space and the front surface. Since the reflection at the interface with the side substrate 8a can be prevented, bright display that has passed through the touch panel 4 can be realized.

In addition, by encapsulating the liquid material between the substrates, this functions as a kind of cushion and can be alleviated when an impact is applied to the front substrate 8a. That is, in the present embodiment, since the coordinate input surface of the front substrate 8a is made thinner than the plate thickness of other portions, it is more vulnerable to mechanical impact than usual, but such a buffer structure is provided to provide the portion. By reinforcing, impact resistance can be compensated. In consideration of the above buffer function, the viscosity of the liquid material is, for example, in the range of 2 mm 2 / s to 5000 mm 2 / s.

For example, instead of the resistive touch panel 4, a capacitive touch panel may be used. In the case of a capacitive touch panel, since the thickness is enough for almost one piece of a glass substrate, since the accommodating part 45a of the cover member 45 or the cover member 45 itself can be made thin, the input device The overall thickness of 40A and 40B can be reduced.

In addition, although the structure which accommodated the touch panel 4 in the accommodating part 45a formed through the cover member 45 was demonstrated in this embodiment, about the structure of the accommodating part 45a, The shape and thickness can be changed in various ways. For example, the cover member 45 may be provided with a locking member such as a protrusion projecting into the accommodation portion 45a, and the locking member may restrict the movement of the touch panel 4 in the substrate thickness direction. .

In addition, when using for the use which does not arrange display means etc. in the back side of the touch panel 4, the accommodating part 45a may be a recessed part formed in the one surface side of the cover member 45, and the like. When the touch panel 4 is disposed in the receiving portion 45a formed of such concave portions, the positional control of the touch panel 4 becomes very easy, and the film member adhered over the touch panel 4 and the cover member 45. (30) The flatness of the surface can also be easily secured.

(2nd embodiment)

Next, an electro-optical device according to a second embodiment of the present invention will be described with reference to FIGS. 7 to 9.

FIG. 7A is a schematic cross-sectional view showing a first configuration example of a liquid crystal device with a touch panel, which is an example of the electro-optical device according to the second embodiment. FIG. 8 is a schematic cross-sectional view of a liquid crystal device which is a second structural example of the second embodiment. 9 is a schematic cross-sectional view of a liquid crystal device which is a third structural example of the second embodiment.

In the present embodiment, the input device 40B according to the second configuration example of the first embodiment or the input device 40D according to the fourth configuration example is described as an input device included in the liquid crystal device. Instead of the devices 40B and 40D, the input devices 40A, 40C, 40E, and 40F of another configuration example may be used.

[First Configuration Example]

The liquid crystal device 100A according to the first configuration example shown in FIG. 7A has a liquid crystal panel (electro-optical panel) 2 serving as a display portion, and a first embodiment arranged on its front side (upper side; observation side). The input device 40B of a state is comprised.

As described above, the input device 40B includes a cover member 45 having an analog resistive touch panel (input panel) 4 and a receiving portion 45a for accommodating the touch panel 4. And the film member 30 adhered to the main surface 45s of the cover member 45 and the main surface 4s of the touch panel 4 so as to cover the touch panel 4 and the cover member 45.

The liquid crystal panel 2 is touched by an adhesive 50 containing a transparent elastomer (for example, a transparent elastomer such as a silicone gel, an acrylic gel, a urethane gel, or a urethane rubber having a refractive index difference smaller than that of air). It is optically bonded to the back side substrate 8b of the panel 4. Since the elastic body absorbs the pressing force at the time of performing the input operation to the touch panel 4 by configuring the adhesive agent 50 by the elastic body, the display unevenness by which the board | substrate of the liquid crystal panel 2 is distorted by the input operation is prevented. It can be suppressed. In order for an elastic body to absorb a pressing force, it is preferable to make the thickness into 50-500 micrometers.

Further, by being optically bonded to the back side substrate 8b of the touch panel 4, no gap (air layer) is formed between the back side substrate 8b of the touch panel 4. Since the adhesive 50 has a smaller difference in refractive index from glass than air, the back side substrate (second side) of the touch panel 4 is, for example, among the ambient light incident from the front side substrate (first substrate) side of the touch panel 4. Reducing the generation of light reflected at the interface between the surface of the substrate 11b and the air layer and at the interface between the air layer and the surface of the front substrate (third substrate) 22a of the liquid crystal panel 2 It becomes possible, and the clear display with few reflections is attained. In order to acquire such an effect, it is necessary to bring the refractive index of the elastic body contained in the adhesive agent 50 to the refractive index of the glass substrate or plastic substrate which comprises the touchscreen 4 and the liquid crystal panel 2, and the refractive index is 1.4-1.9. Is preferably.

The liquid crystal panel 2 includes a front side substrate (third substrate) 22a and a back side substrate (fourth substrate) 22b that face each other with a liquid crystal (electro-optic material) 32 interposed therebetween. It bonds and integrates with the sealing material 23 provided in the annular shape at the peripheral edge. The front side substrate 22a disposed on the observation side has a liquid crystal having a front side electrode 26a made of a transparent conductive material, an alignment film (not shown), or the like, on the surface of the liquid crystal layer side of the substrate main body 24a which is a transparent substrate. The structure which provided the control layer is provided. The back side substrate 22b disposed on the side opposite to the observation side (opposite to the front side substrate 22a with the liquid crystal layer 32 therebetween) on the surface of the liquid crystal layer side of the substrate main body 24b which is a transparent substrate. And a liquid crystal alignment control layer having a back electrode 26b made of a transparent conductive material, an alignment film (not shown), or the like.

Between the front substrate 22a and the rear substrate 22b, granular spacers 29 for dispersing the distance (cell gap) between the substrates 22a and 22b are arranged in a dispersed manner. The liquid crystal panel 2 may be either a passive matrix type or an active matrix type, and various known forms such as TN type, VAN type, STN type, ferroelectric type, and anti-ferroelectric type may be adopted as the liquid crystal alignment type. Can be. It is also possible to arrange a color filter on any one of the substrates to perform color display. In addition, a reflective film may be formed on the rear substrate 22b to form a reflective liquid crystal display device, or a transmissive portion such as an opening or a slit may be formed in the reflective film to form a semi-transmissive reflective liquid crystal display device. All.

The extended part 24c extended to the outer peripheral side of the back side board | substrate 22b is provided in the front side board | substrate 22a. This extension part 24c is used as a mounting terminal formation area. The wiring pattern which is not shown in figure is formed in the extension part 24c, The front side electrode 26a of the front side board | substrate 22a, and the back side electrode 26b of the back side board | substrate 22b are wiring not shown. It is electrically connected to the wiring pattern of the extension part 24c through the pattern and the conductive material. And the liquid crystal drive IC (electronic component) 36 which electrically drives the liquid crystal panel 2 with respect to the wiring pattern of the extension part 24c is COG mounted. As the mounting form of the liquid crystal drive IC 36, other forms such as FPC mounting can be adopted in addition to the COG mounting.

In this embodiment, the extension part 24c of the liquid crystal panel 2 is the area | region in which the terminal part 16 of the touch panel 4 was formed (the area | region in which the back side board 8b extended rather than the front side board 8a). Touch panel 4 and liquid crystal panel 2 are arrange | positioned so that it may overlap planarly. By arranging in this way, the frame region of the liquid crystal panel 2 is also covered by the light shielding film 46. Moreover, since the area | region in which the back side board 8b of the touch panel 4 overlaps with the front side board 22a of the liquid crystal panel 2 can be taken largest, the touch panel 4 and the liquid crystal panel 2 can be taken. The adhesion reliability with can be improved. Moreover, since the area | region in which the connection terminal to the external circuit was formed is arrange | positioned approaching the touch panel 4 and the liquid crystal panel 2, connection to an external circuit can be performed easily.

In addition, although abbreviate | omitted in the figure, a polarizing plate is provided in the outer surface side of the front side board | substrate 22a of the liquid crystal panel 2, and the outer surface side of the back side board | substrate 22b, respectively. Either one of these pair of polarizing plates may be formed in the liquid crystal layer 32 side of the board | substrate main body 24a or the board | substrate main body 24b. In addition, an illuminating device (back light) is disposed outside the rear substrate 22b.

According to the liquid crystal device 100A of the present example having the above configuration, by providing the input device 40B of the first embodiment and the liquid crystal panel 2 bonded to the touch panel 4 of the input device 40B, It is possible to display through the touch panel 4.

Moreover, by arrange | positioning the liquid crystal panel 2 in the back side of the touch panel 4, the movement of the substrate thickness direction of the touch panel 4 is regulated by the liquid crystal panel 2 or the casing which supports the liquid crystal panel 2, etc. Therefore, the touch panel 4 can be prevented from being pressed by the pressing force at the time of the input operation.

And in the liquid crystal apparatus of this embodiment, since the display surface side becomes a flat surface by the film member 30, and arbitrary printing can be performed to the film member 30, the freedom of design is high, It is a liquid crystal device that can obtain excellent design.

Moreover, in the liquid crystal device of this embodiment, since the film member 30 is arrange | positioned at the front surface side of the touch panel 4, the touch panel 4 which used the glass substrate for the front side board | substrate 8a can be used safely. have. The touch panel using a glass substrate on both of the two substrate main bodies 11a and 11b has a higher transmittance than the substrate main body 11a is a plastic substrate and both of the substrate main bodies 11a and 11b are plastic substrates. As a result, it is possible to obtain a brighter and higher-quality display than in the related art.

In addition, in this embodiment, although the liquid crystal panel 2 has the structure which protrudes from the cover member 45, when the cover member 45 has sufficient thickness, the liquid crystal panel 2 with the touch panel 4 is carried out. May be accommodated in the accommodation portion 45a of the cover member 45. With such a configuration, an adhesive can be disposed between the cover member 45 and the liquid crystal panel 2 so that both can be bonded, so that both the touch panel 4 and the liquid crystal panel 2 can be stably covered. I can support it. Moreover, when the backlight is provided in the back side (opposite to the touch panel 4) of the liquid crystal panel 2, it can also be set as the structure which accommodated such a backlight in the accommodating part 45a.

By the way, in the structure which provided the touch panel 4 in the front surface side of the liquid crystal panel 2 like this embodiment, when pressing the surface of the touch panel 4 with a finger or the input mechanism 3, and performing an input operation. Distortion may occur in the display of the liquid crystal panel 2. Local deformation occurs in the touch panel 4 due to the pressing force at the time of input, and this deformation is near to the front substrate 22a of the liquid crystal panel 2 provided on the back side of the touch panel 4. But bends will occur. That is, since the gap of the liquid crystal panel 2 is about 1 micrometer-about 10 micrometers, even if there is some bending of the front side board | substrate 22a, this bending causes the gap of the liquid crystal panel 2 to fluctuate locally in a large ratio. As a result, distortion such as interference fringes occurs in the display.

This problem can be solved by making the thickness of the back substrate 22b of the liquid crystal panel 2 sufficiently thin. For example, in the case where the thickness of the back substrate 22b is reduced to about 0.1 mm to 0.4 mm so that the substrate is easily bent, even if bending occurs in the front substrate 22a of the liquid crystal panel 2 as described above. As a result, the back substrate 22b is also bent, so that the gap hardly fluctuates. However, if the substrate is made thin in this manner, handling of the substrate becomes difficult, and cracks or the like of the substrate may occur during the manufacturing process. Moreover, since it is weak against mechanical shock, when using it for a portable use, the problem of damage by a fall etc. also arises. Thus, from the viewpoint of handleability and impact resistance of the substrate, the substrate is preferably thicker, and from the viewpoint of display quality, the substrate is preferably thinner.

Therefore, in order to satisfy both of these requirements, the liquid crystal panel 2A of the structure as shown to FIG. 7 (b) can be employ | adopted. In such a liquid crystal panel 2A, the handleability or the like is improved by using a thick glass plate on the front side substrate 22a, while the recess H (thin plate) is provided at a portion corresponding to the display area of the back side substrate 22b. (Area) to form a thin plate and follow the deformation of the front substrate 22a at the time of input. Specifically, for example, the substrate thickness of the front side substrate 22a and the back side substrate 22b (the portion not having the concave portion) is set to about 0.5 mm, and the substrate thickness of the concave portion forming region of the back side substrate 22b is set. It should be about 0.1mm ~ 0.4mm.

In addition, when the recessed part H is formed in the back side board | substrate 22b of the liquid crystal panel 2 as above-mentioned, it is preferable to set it as the structure which accommodated the polarizing plate 6b in the recessed part H as shown. Moreover, even if there exists an optical film used with polarizing plates, such as a retardation plate, what is necessary is just to accommodate in recessed part H with a polarizing plate. With such a configuration, the liquid crystal device 100A can be made thinner by the thickness of an optical film such as a polarizing plate.

Second Configuration Example

Next, a second configuration example of the present embodiment will be described with reference to FIG. 8.

As shown in FIG. 8, the liquid crystal device 100B of the 2nd structural example is equipped with the input device 40B of 1st Embodiment, and the liquid crystal panel 2B. The liquid crystal panel 2B is common to the liquid crystal panel 2A according to the first structural example in its basic configuration, and only the panel size is different. Specifically, the liquid crystal panel 2B is a substrate in which the front substrate 22a has a larger planar area than the housing portion 45a of the cover member 45.

The liquid crystal panel 2B is bonded to the back side substrate 8b of the touch panel 4 with the adhesive agent 50 interposed therebetween, and also to the back surface 45b of the cover member 45. The method of adhering the cover member 45 and the liquid crystal panel 2 is not only a method of applying a separate adhesive between the cover member 45 and the liquid crystal panel 2 but also adhering the adhesive 50 to the cover member 45. The cover member 45 is a method of adhering the cover member 45 and the liquid crystal panel 2 to each other by the adhesive agent 50, and the adhesive 42 bonding the touch panel 4 and the cover member 45 to each other. The method of extending | stretching and bonding up the back surface 45b of the can be employ | adopted.

In the liquid crystal device 100B of the present example having the above configuration, the front substrate 22a of the liquid crystal panel 2 disposed on the back side of the touch panel 4 is connected to the back surface 45b of the cover member 45. Since it is adhere | attached, the touch panel 4 is fixed to the space enclosed by the film member 30, the liquid crystal panel 2, and the cover member 45, and it is kept stable.

In addition, in the 2nd structural example shown in FIG. 8, the adhesive agent 50 which adhere | attaches the liquid crystal panel 2 and the touch panel 4 can also be abbreviate | omitted.

In the second structural example shown in FIG. 8, since the liquid crystal panel 2, the touch panel 4, and the cover member 45 are adhered to each other with the adhesive agent 50, the adhesive agent 42, or the like interposed therebetween, it is most stable. In this way, the liquid crystal panel 2 and the touch panel 4 are supported. On the other hand, in the structure which adhere | attaches each part with an adhesive in this way, there are many processes and many raw materials are needed. Therefore, in this structural example, by omitting the adhesive agent 50 which adheres the touch panel 4 and the liquid crystal panel 2, it becomes a structure which can manufacture a liquid crystal device by reducing a process number and inexpensively.

In this configuration, since the gap (air layer) is formed between the touch panel 4 and the liquid crystal panel 2, the pressing force at the time of input operation of the touch panel 4 reaches the liquid crystal panel 2. Becomes difficult. Thereby, generation | occurrence | production of the display unevenness resulting from distortion of the liquid crystal panel 2 can be prevented.

Third Configuration Example

Next, a third configuration example of the present embodiment will be described with reference to FIG. 9.

In the liquid crystal device 100C according to the third structural example shown in FIG. 9, the arrangement of the polarizing plates is changed in the liquid crystal device 100A according to the first structural example.

As shown in FIG. 9, the liquid crystal device 100C of this structural example is equipped with the input device 40D and the liquid crystal panel 2. As shown in FIG.

The input device 40D is equipped with the input device 40B which concerns on the 2nd structural example of 1st Embodiment as a basic structure, and is also a front side polarizing plate (made from the cover member 45 side of the film member 30). 1 polarizing plate) 6a is arrange | positioned.

Moreover, the back side polarizing plate (second polarizing plate) 6b paired with the front side polarizing plate 6a is arrange | positioned on the opposite side to the liquid crystal layer 32 of the back side board | substrate 22b of the liquid crystal panel 2.

That is, in the liquid crystal device 100C of this structural example, the polarizing plate arrange | positioned at the front side among the pair of polarizing plates provided in the front surface and the rear surface of a liquid crystal panel is arrange | positioned outside the touch panel 4.

According to the liquid crystal device 100C having the above configuration, the front side polarizing plate 6a and the film member 30 are disposed on the front side (opposite to the liquid crystal panel 2) of the touch panel 4, so that the film member The operating pressure of the touch panel 4 increases compared with the case of only 30, but the protection of the touch panel 4 becomes more reliable. In addition, scattering of glass can be prevented more effectively even when the touch panel 4 provided with a glass substrate is damaged.

Moreover, since the front side polarizing plate 6a is arrange | positioned outside the touch panel 4, the touch panel arrange | positioned at the back side (opposite side to the film member 30) from the accommodating part 45a of the cover member 45 The total thickness of (4) and the liquid crystal panel 2 can be made thin. Thereby, the space in the casing in the electronic device provided with the liquid crystal device 100C can be saved, and the casing can be miniaturized.

In addition, in this example, although the front side polarizing plate 6a is arrange | positioned between the film member 30 and the light shielding film 46, even if the front side polarizing plate 6a is arrange | positioned between the light shielding film 46 and the cover member 45, good. Alternatively, the front side polarizing plate 6a may be disposed in the accommodating portion 45a together with the touch panel 4. In addition, when the front side polarizing plate 6a has sufficient durability, the flexibility which adhere | attaches the front side polarizing plate 6a with the touch panel 4 and the cover member 45, without providing the film member 30 is carried out. You may use as a member.

(Third embodiment)

10A is a schematic cross-sectional view of the input device 40A according to the first configuration example of the third embodiment of the present invention. 10B is a schematic cross-sectional view of the input device 40B according to the second configuration example of the third embodiment. FIG. 11 is a schematic plan view of the input device 40A shown in FIG. 10. 12 is an exploded perspective view showing the structure of the touch panel 4.

[First Configuration Example]

As shown in FIG. 10 and FIG. 11, the input device 40A of this embodiment is a receiving part which consists of a substantially plate-shaped cover member 45 and the rectangular opening part formed in the cover member 45 by planar view ( On the analog resistive touch panel (input panel) 4 disposed in 45a, the main surface 45s (front surface of FIG. 11) of the cover member 45 and the main surface 4s of the touch panel 4, respectively. The film member 30 bonded over is provided.

At the end portion of the main surface 45s side of the housing portion 45a of the cover member 45, a panel-shaped panel support portion 45A (shown with a diagonal line in Fig. 11) in plan view is provided with the housing portion 45a. It extends from the inner wall of (). 45 A of panel support parts support the touch panel 4 by pressing the periphery of the touch panel 4 from the film member 30 side. The panel support part 45A has a rectangular opening 45b on the touch panel 4.

On the cover member 45 side of the film member 30, a light shielding film 46 formed by printing, for example, is formed, and the light shielding film 46 has a rectangular shape in a planar area corresponding to the input portion 40a of the touch panel 4. Has an opening portion 46a. The light shielding film 46 is formed so as to cover the cover member 45 in plan view, and the opening 46a of the light shielding film 46 follows the inner circumference of the opening 45b of the panel support 45A. It is located inward.

The thickness of the touch panel 4 and the depth of the accommodating portion 45a of the cover member 45 are almost the same, and the touch panel 4 is accommodated in the accommodating portion 45a of the cover member 45, and thus the touch panel. The main surface 4s of (4) and the inner surface (surface of the touch panel 4 side) of 45 A of panel support parts contact. On the back side of the touch panel 4 (opposite to the film member 30), the back of the touch panel 4 (surface opposite to the film member 30) and the back of the cover member 45 (film member) The back side film member 31 adhere | attached over (surface opposite to 30) is arrange | positioned. That is, in the input device 40A, the touch panel 4 is held between the frame-shaped panel support 45A and the back side film member 31 so that the cover member 45 is restricted in the movement in the panel thickness direction. Is supported).

Moreover, the flexible printed circuit board 16a which draws out a terminal from the touch panel 4 is drawn outward through the slit-shaped opening part not shown in the back side film member 31. As shown in FIG. In addition, as the back side film member 31, like the film member 30, the film material which consists of transparent resin materials, such as polyethylene, polyester, and a polypropylene, such as PET (polyethylene terephthalate), can be used.

And the film member 30 arrange | positioned so that the cover member 45 and the touch panel 4 may be covered in planar view has 45s of main surfaces of the cover member 45, and the opening part 45b of 45 A of panel support parts. It adhere | attaches to the cover member 45 and the touch panel 4 in the shape which follows the level | step difference formed in the boundary part with the main surface 4s of the touch panel 4 exposed inward.

That is, on the cover member 45 and the panel support part 45A and the touch panel 4 which are flat surfaces, the surface of the film member 30 becomes a flat surface. On the other hand, in the step part between the main surface 4s of the touch panel 4 formed by the opening part 45b of the panel support part 45A, and the main surface 45s of the cover member 45, the film member 30 is The deformation | transformation comes in close contact with the surface of the member which comprises a level | step difference, As a result, the level | step part 43 is formed also in the surface of the film member 30. FIG.

In addition, although it mentions later in detail, in order to make the film member 30 adhere to the touch panel 4 and the cover member 45 in this way, the film member 30 is temporarily made using the heat welding method or the vacuum heat welding method. It can be carried out very easily by softening.

The touch panel 4 has a predetermined gap and opposes the front side substrate (first substrate) 8a and the back side substrate (second substrate) 8b at the periphery of these two substrates 8a, 8b. Bonding is integrated by the sealing material 9 provided in ring shape.

As shown in FIG. 12, the front side board | substrate 8a of the touch panel 4 is the same planar shape which consists of a transparent conductive material in the inner surface (surface of the back side board side) of the board | substrate main body 11a which is a transparent base material. A planar electrode (high resistance film; first electrode) 12a is formed, and 1 is provided at both ends of the planar electrode 12a in the Y-direction (two side ends facing the rectangular planar electrode 12a). It is the structure in which the pair of low resistance films 13 were formed. The low resistance film 13 formed on the front substrate 8a is electrically conductively connected to the auxiliary electrode 18 formed on the back substrate 8b via the conductive material 17 and via the auxiliary electrode 18. It is led out to the terminal part 16. The low resistance films 13 and 14 and the auxiliary electrode 18 constitute the wiring portion of the touch panel 4 and are formed along the periphery of the substrate 8a or the substrate 8b.

On the other hand, the back side substrate 8b of the touch panel 4 has the same planar surface electrode (high-level) which consists of a transparent conductive material on the inner surface (surface of the front side substrate side) of the board | substrate main body 11b which is a transparent base material. A resistive film; a second electrode 12b is formed, and a pair of low resistance films (2 ends) of the planar electrodes 12b (both sides of the rectangular planar electrodes 12b opposite to each other). 14) is a formed configuration. In the edge part of the back side board | substrate 8b, the terminal part 16 connected with the wiring drawn out from the low resistance film 13 and the low resistance film 14 is formed.

As shown in FIG. 10, the flexible printed circuit board 16a is bonded to the terminal portion 16 with an anisotropic conductive paste (ACP) or an anisotropic conductive film (ACF) interposed therebetween, so that the terminal portion 16 and the external control circuit are connected to each other. Is electrically connected.

In this embodiment, as an outer side surface of the front side board | substrate 8a, the planar area corresponding to the formation area of the planar electrode 12a is a position on a touch panel directly by a coordinate input surface (input mechanism 3, a finger, etc.). Is an operation surface for inputting operation.

The hard glass substrate is used for the board | substrate main bodies 11a and 11b which comprise the front side board 8a and the back side board 8b. By using the front substrate 8a as a glass substrate, the problem of substrate and electrode deterioration as in the case where the plastic substrate is used for the front substrate is not generated. On the other hand, since a rigid glass substrate is inferior in flexibility compared with a plastic film substrate, when a load at the time of input is small, there exists a problem that input cannot fully be performed. Therefore, in this embodiment, the problem of operability is solved by making thickness of a glass substrate thin to about 0.1 mm-about 0.2 mm. On the other hand, as the board | substrate main body 11b which comprises the back side board | substrate 8b, the thing of thickness similar to a liquid crystal panel etc. is used. For example, in this example, the thickness of the back side substrate 8b of the touch panel 4 is set to about 0.5 mm.

The planar electrodes 12a and 12b are made of a transparent conductive film such as ITO (indium tin oxide) and have almost uniform sheet resistance throughout the in-plane thereof. On the other hand, the low resistance films 13 and 14, the auxiliary electrode 18 and the terminal portion 16 are formed of a metal thin film having high conductivity, such as Au, Ag, Cu, Al, Cr, or any one or more of these metals. It is formed by the alloy to contain.

In this embodiment, since the glass substrate is used as the board | substrate main body of the front side board | substrate 8a and the back side board | substrate 8b, unlike the conventional touch panel which used a plastic film board | substrate, high temperature heat processing and strong acid etching solution Etching treatment using is possible. For this reason, in this embodiment, all of these conductive films (surface-shaped electrodes 12a, 12b, auxiliary electrode 18, terminal part 16, etc.) for detecting coordinate information are subjected to a vacuum process such as sputtering or vapor deposition. And the low resistance films 13 and 14 and the auxiliary electrode 18 are thinned by an etching process to form a wiring portion of a narrow frame portion. For example, in the case of using APC (AgPdCu alloy, resistivity of about 4 × 10 ⁻⁶ Ωcm) for wiring, a relay wiring made of silver paste having a thickness of 20 μm and a line width of 1 mm has a thickness of 0.2 μm and a line width of 0.1 mm in APC. It is possible to write. In addition, the specific resistance (Ωcm) of copper, aluminum, and chromium is about 6 × 10 ⁻⁶ , 6 × 10 ⁻⁶ , and 5 × 10 ⁻⁵ , respectively, so that even when these metals are used, the line width is 1 to 2 digits compared to the conventional one. It is possible to thin the digits.

On the surface electrode 12b of the back side board | substrate 8b, the buffer member 15 which consists of resin materials etc. is arrayed. As the buffer member 15, it is preferable to use an elastic material such as silicone or urethane (for example, an elastic modulus in the range of 1 × 10 ⁴ N / m 2 to 1 × 10 ⁸ N / m 2), and a photolithography method or a printing method Can be formed on the planar electrode 12b. This buffer structure also functions as a spacer for controlling the gaps of the substrates 8a and 8b.

As the film member 30 adhere | attached on the touch panel 4, the film material which consists of transparent resin materials, such as polyethylene, polyester, and polypropylene, such as PET (polyethylene terephthalate), can be used. In the input device 40A, in the coordinate input operation with respect to the touch panel 4, the input mechanism 3, a finger, etc. are slid on the surface of the film member 30, and the back side of the touch panel 4 ( Display means, such as a liquid crystal panel, is arrange | positioned at the film member 30 opposite side, and is used also as a display apparatus. Therefore, as the film member 30, it is a PET film which can prevent the abrasion by operation and the damage of the surface of the cover member 45 and the touch panel 4 favorable, and can obtain favorable transmittance | permeability. desirable.

The light shielding film 46 formed in the cover member 45 side surface of the film member 30 is a colored film formed by apply | coating a black material or a white material by printing, for example. In the case of this embodiment, it functions as the blinder of the area | region in which the sealing material 9 of the touch panel 4 was formed, and the part in which the terminal part 16 was formed, and the back side of the touch panel 4 (film member 30 and In the case where display means such as a liquid crystal panel is provided on the other side, it also functions as a peripheral section for display. If the light shielding film 46 has light-shielding property, an arbitrary thing can be used, and the shape may be provided in the film member 30 side.

Not only the said light shielding film 46 but also the film member 30 can be given the design which consists of arbitrary colors and patterns. Such a design can be formed on either surface of the film member 30, but is preferably formed on the cover member 45 side from the viewpoint of protecting the printed matter.

The cover member 45 is comprised by a plastic plate and a metal plate, and can be used without a problem if it is a base material with predetermined strength. The cover member 45 can be used not only as a support of the touch panel 4 but also as a member constituting an operation panel of an electronic device, for example, and in this case, can be used as an operation unit with a built-in touch panel. In addition, when using the input apparatus 40A as an operation part of an electronic device, you may provide the operation button and the through hole for a switch in the cover member 45, and such a process can be easily performed by punching or cutting. Moreover, since printing can be performed to the film member 30, character information, such as description of a button and a switch, can be printed.

In the input device 40A of the present embodiment having the above configuration, the touch panel 4 is disposed in the accommodation portion 45a formed on the cover member 45, and the main surface 4s and the cover of the touch panel 4 are covered. The film member 30 is adhered over the main surface 45s of the member 45, and also follows the stepped shape between the main surface 4s of the touch panel 4 and the main surface 45s of the cover member 45. The film member 30 is in close contact with each other. As a result, the cover member (or casing) and the touch panel of different materials are conventionally arranged with clear boundaries and steps, whereas in the present embodiment, the surface of the film member 30 is smoothly continuously formed in a stepped shape. . For this reason, it is possible to obtain a surface having excellent aesthetics compared to the prior art, improve the degree of freedom in design, and obtain an excellent design.

In addition, when there is a step between the touch panel and the casing as in the related art, a problem arises that dust easily enters the casing from the gap between the stepped portions when dust accumulates in the step or when water droplets are attached. In the form, since the entire surface including the cover member 45 is covered with the film member 30, dust does not collect and damage the aesthetics, or water droplets invade the cause of failure, resulting in excellent reliability. It becomes an input device.

In this embodiment, in order to make adhesiveness of the film member 30 with respect to the step | step difference between the main surface 45s of the cover member 45 and the main surface 4s of the touch panel 4 more favorable, the said step | step is comprised It is preferable that the opening 45b of the panel support part 45A described above is formed to have a wide shape toward the film member 30, that is, a lateral cross section of which forms an inclined surface shape (taper shape).

In addition, since the film member 30 adheres closely to the front side substrate 8a of the touch panel 4 made of a thin glass substrate having a thickness of about 0.1 to 0.2 mm, the front side substrate ( Even when 8a) is broken, scattering of glass fragments can be prevented by the film member 30, and an input device excellent in safety can be realized. In particular, in this embodiment, since the film member 30 is adhere | attached so that the one surface containing the touch panel 4 and the cover member 45 may be adhere | attached, the film member 30 is hard to peel off very much, also in this point, It is excellent in safety.

In addition, in the input device 40A of this embodiment, the movement to the film member 30 side by the panel support part 45A of the cover member 45 is restrict | limited. Therefore, even if a manufacturing deviation occurs in the thickness of the touch panel 4, the height of the step between the main surface 45s of the cover member 45 and the main surface 4s of the touch panel does not shift, and the film member 30 ) Can be stably in close contact with the step, it is possible to manufacture a good yield.

In addition, in this embodiment, the touch panel 4 is contacted with 45 A of panel support parts, is accommodated in the accommodating part 45a, and the back film member 31 adhere | attached on the back side of the cover member 45. The touch panel 4 is fixed. By adopting such a fixing method, the touch panel 4 can be attached in a simple step.

Moreover, you may provide an adhesive agent between the main surface 45s of the cover member 45 and the film member 30 (light shielding film 46), and may adhere | attach both. Moreover, between the main surface 4s of the touch panel 4 and the surface of the touch panel 4 side of the film member 30, the adhesive which optically bonds both is provided, and the film member 30 and the touch panel 4 are provided. ) May be optically bonded.

As an adhesive agent (adhesive) provided between the film member 30 and the cover member 45 (and the touch panel 4), various adhesives, such as an acryl type, a rubber type, and a silicone type, can be used. When optically bonding the film member 30 and the touch panel 4, it is preferable to use a silicone adhesive.

The input operation and manufacturing process of the touch panel 4 are as having demonstrated in 1st Embodiment.

<The manufacturing method of the input device of a 1st structural example>

Next, with reference to FIG. 13 and FIG. 14, the manufacturing method of the input device 40A which concerns on a 1st structural example is demonstrated. 13 and 14 are schematic cross-sectional views showing the manufacturing process of the input device 40A. The cross-sectional structure shown in FIG. 13 and FIG. 14 corresponds to the cross-sectional structure in the position along the AA 'line shown in FIG.

First, as shown to Fig.13 (a), the cover member 45 provided with the accommodating part 45a and the panel support part 45A is prepared. If the cover member 45 consists of a resin material, what provided with the accommodating part 45a and the panel support part 45A can be manufactured easily by injection molding. Moreover, as long as it consists of a metal material, what provided with the accommodating part 45a and the panel support part 45A can be manufactured by cutting or press work.

When the cover member 45 is prepared, the separately prepared touch panel 4 is used as the main surface 4s, which is an input operation surface, from the open end side of the receiving portion 45a on the opposite side from which the panel support 45A is formed. It fits in the accommodating part 45a.

Since the touch panel 4 can use a conventionally well-known structure, a well-known manufacturing method can also be applied also to the manufacturing method.

When the touch panel 4 is inserted into the housing portion 45a, as shown in Fig. 13B, the opening 45b of the panel support portion 45A is narrower than the main surface 4s of the touch panel 4. The touch panel 4 is accommodated in the accommodation portion 45a in a state where the main surface 4s of the touch panel 4 is in contact with the back surface 45c of the panel support 45A. At this time, if an adhesive agent is provided between the back surface 45c of the panel support part 45A and the main surface 4s of the touch panel 4, the touch panel 4 is inserted into the receiving portion 45a with a corresponding strength. The touch panel 4 can be fixed.

Thereafter, as shown in FIG. 13B, the back side film member 31 made of, for example, a PET film is bonded over the cover member 45 and the back side substrate 8b of the touch panel 4. Silicone adhesive can be used for adhesion of the back side film member 31, for example.

Thereby, the touch panel 4 accommodated in the accommodating part 45a is fixed to the cover member 45 by the back side film member 31 adhere | attached to the back side (opposite to 45 A of panel support parts). do.

Next, as shown to Fig.13 (c), the film member 30 which consists of PET films, for example is prepared. The light shielding film 46 is printed on the surface used as the cover member 45 side of the film member 30. And as shown in FIG.13 (d), the film member 30 is arrange | positioned so that the cover member 45 and the touch panel 4 may be covered, with the printing surface facing the cover member 45 side. At this time, the opening part 46a of the light shielding film 46 on the surface of the film member 30 is aligned so that the opening part 46a of the light shielding film 46 may be arrange | positioned in the opening 45b of the panel support part 45A.

Next, as shown to Fig.14 (a), the film member 30 is softened by heating the film member 30 using the heating apparatus 350, and the film member 30 is touched by the touch panel 4 And the cover member 45 by heat welding. As such a welding method, welding methods such as hot plate welding, vacuum thermal welding, vibration welding, ultrasonic welding, laser welding, impulse welding, high frequency induction heating welding, electromagnetic induction heating welding and hot press welding can be used.

Then, as shown in FIG.14 (b), the softened film member 30 enters into the opening part 45b of the panel support part 45A, and the main surface 4s of the touch panel 4, and the touch panel ( 4) and the cover member 45 to be in close contact with the touch panel 4 and the cover member 45. Moreover, the step part 43 of the shape which follows the level | step difference between the touch panel 4 and the cover member 45 is formed in the surface of the film member 30 by this process.

As described above, according to the manufacturing method of the present embodiment, the film member 30 is thermally welded to be in close contact with the touch panel 4 and the step between the touch panel 4 and the cover member 45. Therefore, the step between the touch panel 4 and the cover member 45 is alleviated by the film member 30, whereby the input device 40A with improved design freedom can be manufactured in a simple process.

In addition, since the touch panel 4 is inserted into the receiving portion 45a provided in the cover member 45, and the back side film member 31 is adhered and fixed from the back side of the touch panel 4, The touch panel 4 may be fixed to the cover member 45 by a simple process.

In addition, when the light shielding film 46 is printed on the surface of the film member 30, etc., when the adhesive force of the film member 30 at the time of heat-welding the film member 30 cannot be ensured, You may arrange | position an adhesive agent on the surface of the film member 30 corresponding to the formation area of the light shielding film 46, or the surface of the cover member 45. FIG.

Second Configuration Example

In the input device 40B according to the second configuration example illustrated in FIG. 10B, the touch panel 4 is surrounded between the touch panel 4 and the inner wall portion of the accommodation portion 45a of the cover member 45. Is filled with the adhesive 42 in a frame shape in plan view. Therefore, the touch panel 4 is fixed to both the film member 30 and the cover member 45.

And according to the input device 40B with the adhesive agent 42 arrange | positioned between the touch panel 4 and the cover member 45, in addition to being able to acquire the effect similar to the input device 40A mentioned above, The following effects can be obtained.

First, since the touch panel 4 is fixed to the cover member 45 by the adhesive agent 42, the back side film member 31 which concerns on a 1st structural example becomes unnecessary. Therefore, when providing display means, such as a liquid crystal panel, on the back side of the touch panel 4, for example, and performing a display through the touch panel 4, the light at the time of passing through the back side film member 31 is displayed. As long as no loss or reflection on the back side film member 31 surface occurs, bright display can be obtained.

Since the touch panel 4 is also restricted in movement in either the substrate surface direction or the substrate thickness direction, the touch panel 4 is pressed inward or dropped by the input operation of the touch panel 4. Since the touch panel 4 does not move in the accommodating part 45a by such an impact, it can be said that it is an input device excellent in operability and durability.

The input device 40B according to the second configuration example can be manufactured in the same manner as the input device 40A according to the first configuration example described with reference to FIGS. 13 and 14. However, since the back side film member 31 is unnecessary in the input device 40B, the touch panel arrange | positioned in the accommodating part 45a instead of the process of adhering the back side film member 31 shown to FIG. 13 (b). What is necessary is just to provide the process of arrange | positioning the adhesive agent 42 between (4) and the inner wall of the accommodating part 45a. In this case, the adhesive 42 may be applied to a predetermined position by the dispenser or the like after the touch panel 4 is accommodated in the housing portion 45a. The adhesive 42 may be applied to the side surface in advance. Or you may apply | coat the adhesive agent 42 on the inner wall surface of the accommodating part 45a previously.

Third Configuration Example

Next, FIG. 15 is schematic sectional drawing of the input apparatus 40C which is a 3rd structural example of the input apparatus of 3rd Embodiment. FIG. 15 is a diagram corresponding to FIG. 10A in the first configuration example.

The point that the input device 40C of this example differs from the input device 40B of the second structural example is that the film member 130 formed over the cover member 45 and the touch panel 4 includes the first resin layer 131. And the structure which laminated | stacked the 2nd resin layer 132 is provided. Therefore, in FIG. 15, the same code | symbol is attached | subjected to the component common to FIG. 10, and detailed description is abbreviate | omitted.

As shown in FIG. 15, the film member 130 covers the main surface 45s of the cover member 45 and the main surface 4s of the touch panel 4 exposed from the opening 45b of the panel support 45A. The planar first resin layer 131 and the second resin layer 132 formed on the surface opposite to the cover member 45 of the first resin layer 131 are provided.

The first resin layer 131 is made of transparent resin materials such as polyethylene, polyester, polypropylene, such as PET (polyethylene terephthalate) and the like, as in the film member 30 of the single layer structure of the first and second structural examples. The film material which consists of can be used.

As shown in FIG. 15, the second resin layer 132 is partially formed on the first resin layer 131 and has a substantially rectangular frame shape in the same plane as the light shielding film 46 to form a light shielding film ( 46) overlapping the plane. The second resin layer 132 has a rectangular opening 132a in plan view corresponding to the opening 46a of the light blocking film 46, and the opening 132a is formed of the opening 46a of the light blocking film 46. It is formed inside. In the opening part 132a of the 2nd resin layer 132, the 1st resin layer 131 of the lower layer side is exposed.

The second resin layer 132 is formed using a resin material having a lower hardness (higher flexibility) than the resin material constituting the first resin layer 131. For example, if the first resin layer 131 is made of a PET film, the second resin layer 132 is formed using polyethylene, urethane, acryl or the like.

In the input device 40C of this example provided with the above structure, the film member 130 has a two-layer structure of the first resin layer 131 and the second resin layer 132. When the film member 30 of such a structure is heat-welded to the touch panel 4 and the cover member 45, the 2nd resin layer 132 formed using the resin material with low hardness compared with the 1st resin layer 131. ) Is softened and widened, so that the adhesion of the film member 130 to the step of the boundary between the touch panel 4 and the cover member 45 is good, and the film member 130, the touch panel 4, and the cover Adhesion with the member 45 can be improved. Thereby, the input device excellent in both reliability and design can be realized.

In addition, in the input device 40C, since the relatively high hardness 1st resin layer 131 is exposed on the touch panel 4, in the coordinate input operation with respect to the touch panel 4, the input mechanism 3 is carried out. ) And a finger, etc., in the sliding surface, the structure which can prevent the wear by operation and the surface damage of the cover member 45 and the touch panel 4 favorable. As the 1st resin layer 131, it is preferable to use the PET film which can prevent the said abrasion and damage favorably, and can acquire favorable transmittance | permeability.

In addition, although the case where the 2nd resin layer 132 was formed in the substantially rectangular frame shape which overlaps with the light shielding film 46 substantially in planar view was demonstrated, the 2nd resin layer 132 is the touch panel 4 Since the film member 130 is provided for the purpose of bringing the film member 130 into close contact with the step formed in the boundary between the cover member 45 and the cover member 45, in the present example, if the touch panel 4 and the cover member 45 are provided at least in the boundary portion, The desired purpose can be achieved.

In addition, the second resin layer 132 is not limited to the boundary portion between the touch panel 4 and the cover member 45, and may be disposed in a region where other steps are formed. For example, in the case where protrusions and recesses are formed on the main surface 45s of the cover member 45, when the second resin layer 132 is selectively formed at positions overlapping the protrusions and the recesses in plan view, the protrusions and The film member 130 can be closely adhered to the site | part in which the recessed part is formed.

In addition, in this example, although the structure which adhere | attached the film member 130 of a two-layer structure was demonstrated, you may provide the film member which laminated | stacked three or more layers of resin layers instead of the film member 130. As shown in FIG. By using the film member which selectively arrange | positions the some resin layer from which hardness differs, the adhesiveness at the time of welding (following unevenness | corrugation) can be highly controlled, and the reliability of an input device and designability can be improved. .

In addition, instead of the film member 130, you may use the film member of the structure by which the resin film from which hardness differs is formed in the planar area | region. For example, the film member which integrated the PET film of a rectangular shape by planar view corresponding to the main surface 4s of the touch panel 4, and the polyethylene film arrange | positioned so that this PET film may be enclosed by planar view in the part which contact | connects both It can also be used.

<Method for Manufacturing Input Device of Third Configuration Example>

Next, with reference to FIG. 16, the manufacturing method of the input device 40C which concerns on a 3rd structural example is demonstrated. 16 is a schematic cross-sectional view showing the manufacturing process of the input device 40C. The cross-sectional structure shown in FIG. 16 is corresponded to the cross-sectional structure in the position along the AA 'line shown in FIG.

First, as shown to Fig.16 (a), the cover member 45 provided with the accommodating part 45a and the panel support part 45A is prepared, and the separately manufactured touch panel 4 is an input operation surface. The main surface 4s is inserted into the accommodating part 45a from the opening end side of the accommodating part 45a on the opposite side from which the panel support part 45A was formed. Then, the back side film member 31 which consists of PET films, for example is stuck over the cover member 45 and the back side board 8b of the touch panel 4.

In addition, as shown in Fig. 16A, for example, a film member formed by laminating a first resin layer 131 made of PET film and a second resin layer 132 made of polyethylene film, for example. Prepare 130). The light shielding film 46 is printed on the surface used as the cover member 45 side of the film member 30.

And as shown in FIG.16 (b), the film member 130 is arrange | positioned so that the cover member 45 and the touch panel 4 may be covered, with the printing surface facing the cover member 45 side. . At this time, the opening part 46a of the light shielding film 46 on the surface of the film member 130 is aligned so that the opening part 46a of the light shielding film 46 may be disposed in the opening 45b of the panel support 45A.

Next, as shown to FIG. 16 (c), the film member 130 is softened by heating the film member 130 using the heating apparatus 350, and the film member 130 is touched by the touch panel 4 And the cover member 45 are heat-welded. As such a welding method, welding methods such as hot plate welding, vacuum thermal welding, vibration welding, ultrasonic welding, laser welding, impulse welding, high frequency induction heating welding, electromagnetic induction heating welding and hot press welding can be used.

Then, as shown in FIG.16 (d), the softened film member 130 enters into the opening part 45b of the panel support part 45A, and the main surface 4s of the touch panel 4, and the touch panel ( 4) and the cover member 45 to be in close contact with the touch panel 4 and the cover member 45. Moreover, the step part 43 of the shape which follows the level | step difference between the touch panel 4 and the cover member 45 is formed in the surface of the film member 130 by this process.

In this embodiment, since the 2nd resin layer 132 which consists of resin materials with low hardness is formed on the 1st resin layer 131 of the film member 130, by the heating by the heating apparatus 350, More flexible second resin layer 132 is widened on first resin layer 131. As a result, the film member 130 is in close contact with the step between the touch panel 4 and the cover member 45.

As described above, according to the manufacturing method of the present embodiment, the step between the touch panel 4 and the touch panel 4 and the cover member 45 by thermal welding the film member 130 having a two-layer structure. Since it is in close contact with each other, the film member 130 can be brought into close contact with the step between the touch panel 4 and the cover member 45. Therefore, the step is effectively alleviated, so that the input device 40C having improved design freedom can be manufactured in a simple process.

Moreover, since the touch panel 4 is inserted in the accommodating part 45a provided in the cover member 45, and the back side film member 31 is adhered and fixed from the back side of the touch panel 4, it is very The touch panel 4 may be fixed to the cover member 45 by a simple process.

[Fourth and Fifth Configuration Examples]

Next, Fig. 17A is a schematic cross-sectional view of an input device 40D which is a fourth configuration example of the input device of the third embodiment. 17B is a schematic cross-sectional view of the input device 40E which is a fifth structural example of the third embodiment. 17 (a) and 17 (b) are diagrams corresponding to FIG. 10 (a) in the first configuration example.

The input device 40D of the fourth structural example is based on the input device 40A of the first structural example, and has an opening 30a in the film member 30 formed over the cover member 45 and the touch panel 4. Is different in that it is formed.

In addition, the input device 40E of the fifth structural example has the basic configuration of the input device 40C of the third structural example, and the openings are formed in the film member 130 formed over the cover member 45 and the touch panel 4. 130a) is different in that it is formed.

Therefore, in Fig. 17, the same reference numerals are given to the components common to those in Figs. 10 and 15, and detailed description thereof will be omitted.

As shown in FIG. 17A, the opening 30a of the film member 30 in the input device 40D according to the fourth configuration example is formed so as to overlap the peripheral portion of the touch panel 4. It is formed in the rectangular shape along the edge of the opening part 46a of (), and is open correspondingly to the planar area used as the input operation part of the touchscreen 4.

In addition, as shown in FIG. 17B, the opening 130a of the film member 130 in the input device 40E according to the fifth configuration example is also formed so as to overlap the periphery of the touch panel 4. It is formed in the rectangular shape along the edge of the opening part 46a of the light shielding film 46, and is opened correspondingly to the planar area used as the input operation part of the touchscreen 4.

Therefore, in the input devices 40D and 40E, the input operation to the touch panel 4 is performed by sliding the input mechanism 3 or a finger directly on the front substrate 8a.

In the input devices 40D and 40E of the fourth and fifth structural examples having the above-described configuration, since the input operation to the touch panel 4 is performed by directly pressing the front substrate 8a, the film member ( The operating pressure is lower than that of the input device 40A of the first structural example which performs the input operation via 30) and the input device 40C of the third structural example which performs the input operation via the film member 130, and is comfortable. An input operation can be performed.

In addition, in the 4th and 5th structural examples, since the film member 30 and the film member 130 are partially removed and the opening part 30a, 130a is formed, the film member 30 or the film member 130 is carried out. The area where the touch panel 4 is bonded to is only the peripheral area of the touch panel 4 (front substrate 8a). The width of the peripheral region depends on the size of the touch panel 4 but can usually ensure at least a few mm, so that the film member 30 or the film member 130 and the touch panel 4 Adhesive strength can be ensured.

However, since the adhesive area is narrow compared with the input apparatus 40A, 40C of the previous structural example, and adhesive strength is low, in the input apparatus 40D, 40E of the 4th and 5th structural examples, according to the 2nd structural example Similarly to the input device 40B, it is preferable that the adhesive agent 42 is arrange | positioned between the touch panel 4 and the cover member 45, and the cover member 45 and the touch panel 4 are adhere | attached.

In addition, in the case of the 4th and 5th structural examples, as shown in FIG. 17, the light shielding film 46 formed in the cover member 45 side of the film member 30 or the film member 130 is respectively a film member ( It is preferable to form the outer side of the opening part 30a of 30 and the outer side of the opening part 130a of the film member 130 so that the edge of the light shielding film 46 may not be exposed in opening part 30a, 130a. By setting it as such a structure, peeling generate | occur | produces from the interface of the light shielding film 46 and the film members 30 and 130 can be prevented, and the light shielding film 46 can be protected effectively.

In addition, in the 4th and 5th structural examples, since it is a structure which the front side board | substrate 8a of the touch panel 4 exposes, if the board | substrate main body 11a of the front side board | substrate 8a is a glass substrate, it will be an impact, such as a fall. By this, when a glass substrate is broken, there exists a possibility that a fragment may scatter. Therefore, when employ | adopting a structure like this example, it is preferable to use a high strength glass substrate and a plastic substrate as the board | substrate main body 11a of the front side board | substrate 8a. Alternatively, a protective layer may be formed by applying a transparent resin to the surface of the substrate main body 11a.

(4th Embodiment)

Next, an electro-optical device according to a fourth embodiment of the present invention will be described with reference to FIG. 18.

18 is a schematic cross-sectional view showing a liquid crystal device of a touch panel type that is an example of the electro-optical device according to the fourth embodiment.

The liquid crystal device 100A shown in FIG. 18 includes a liquid crystal panel (electro-optical panel) 2 which is a display unit, and an input device 40A of the third embodiment arranged on the front side (upper side; observation side) thereof. Consists of.

As described above, the input device 40A has a cover member 45 having an analog resistive touch panel (input panel) 4 and a receiving portion 45a for accommodating the touch panel 4. ), The film member 30 adhered to the main surface 45s of the cover member 45 and the main surface 4s of the touch panel 4 so as to cover the touch panel 4 and the cover member 45, and the touch. The back side film member 31 adhered to the back side of the panel 4 is provided.

The liquid crystal panel 2 is touched by an adhesive 50 containing a transparent elastomer (for example, a transparent elastomer such as a silicone gel, an acrylic gel, a urethane gel, or a urethane rubber having a refractive index difference smaller than that of air). It is optically bonded to the back side film member 31 adhered to the back side of the panel 4. Since the elastic body absorbs the pressing force at the time of performing the input operation to the touch panel 4 by configuring the adhesive agent 50 with the elastic body, the display unevenness caused by the distortion of the substrate of the liquid crystal panel 2 is caused by the input operation. It can be suppressed.

The structures of the liquid crystal panel 2, the polarizing plate, and the illuminating device (backlight) are as described in the second embodiment.

According to the liquid crystal device 100A of this example provided with the above structure, the input device 40A of 3rd Embodiment and the liquid crystal panel 2 adhere | attached with the back side film member 31 of the input device 40A are provided. As a result, the display that has passed through the touch panel 4 is enabled.

In the liquid crystal device of the present embodiment, the step between the touch panel 4 and the cover member 45 is smoothly continuous by the film member 30 bonded to the display surface side, and the film Since arbitrary printing can be performed to the member 30, it is a liquid crystal device which has a high degree of freedom of design and can acquire the outstanding designability.

Moreover, in the liquid crystal device of this embodiment, since the film member 30 is arrange | positioned at the front surface side of the touch panel 4, the touch panel 4 which used the glass substrate for the front side board | substrate 8a can be used safely. have. The touch panel using a glass substrate on both of the two substrate main bodies 11a and 11b has a higher transmittance than the substrate main body 11a is a plastic substrate and both of the substrate bodies 11a and 11b are plastic substrates. As a result, a brighter and higher quality display can be obtained than in the related art.

In addition, although the liquid crystal device of the structure which combined the liquid crystal panel 2 and the input device 40A was demonstrated in this embodiment, you may combine any one of the liquid crystal panel 2 and input devices 40B-40E. In addition, other display means, such as an organic electroluminescent panel, may be arrange | positioned instead of the liquid crystal panel 2.

(Electronics)

Next, an electronic device according to the present invention will be described with reference to FIGS. 19, 20, and 21.

19 (a) and 20 (a) are schematic perspective views of a PDA (Personal Digital Assistant) 200 provided with the liquid crystal device of the foregoing embodiment. 19 (b) and 20 (b) are perspective configuration diagrams of the liquid crystal device provided in the PDA 200.

As shown to FIG. 19 (a) and FIG. 20 (a), the PDA 200 is equipped with the casing 201 with the function key 202 which comprises an operation part, and the touch panel integrated display 203. As shown to FIG. have. The touch panel integrated display 203 is composed of a liquid crystal device according to the present invention. As shown in FIGS. 19B and 20B, the touch panel integrated display 203 is processed into a predetermined shape so as to form a display unit and an operation unit of the PDA 200. The cover member 45, the touch panel 4 supported by the cover member 45, and the liquid crystal panel 2 arrange | positioned at the back side of the touch panel 4 are provided. Moreover, the film 30 which is not shown in figure is stuck to the surface of the touch panel 4 and the cover member 45, and protects the input operation surface of the touch panel 4 and the surface of the cover member 45. As shown in FIG.

The cover member 45 is provided with the some through hole 45c, and the function key 202 is inserted in these through holes 45c, and is exposed to the surface side. Moreover, identification information (characters and figures) printed on the back surface side (cover member 45 side) of the film which covers the cover member 45 is arrange | positioned in the vicinity of the through-hole 45c.

On the touch panel 4, the PDA 200 of the present embodiment looks at the identification information printed in the vicinity of the function key 202 and the screen display of the liquid crystal panel 2 disposed below the touch panel 4. By directly instructing the position, operations such as data input are performed.

Here, FIG. 21 is a PDA of the conventional structure shown for comparison. The PDA 1000 illustrated in FIG. 21 includes a casing 1001, a function key 1002, and a touch panel 1004 disposed in an opening of the casing 1001. A liquid crystal panel, not shown, is disposed below the touch panel 1004.

As shown in the drawing, since the touch panel 1004 is conventionally supported by pressing the frame portion 1003 formed on the casing 1001, the stepped portion (between the operation surface and the frame portion 1003 of the touch panel 1004) is supported. 1003a) was formed. And because of this step part 1003a, the operation surface of the touch panel 1004 and the frame part 1003 surrounding it have been clearly partitioned, and the design of the casing 1001 has been restrict | limited.

On the other hand, according to the PDA 200 of the present embodiment having the above configuration, since the liquid crystal device of the present invention described above is provided as the input device and the display device, the touch panel 4 and the surrounding cover member ( 45) There is no step, or the step is smoothly continuous by the film member, it is possible to realize a PDA with excellent design. In addition, it is possible to design the entire casing including the touch panel 4, thereby realizing an electronic device having excellent design. In addition, bright display is possible and the operability is excellent, resulting in an electronic device having high reliability.

In addition, the input device or liquid crystal device (electro-optical device) of the said embodiment is not limited to the above-mentioned PDA, but can be mounted in various electronic devices. Examples of such electronic devices include mobile phones, electronic books, personal computers, digital still cameras, liquid crystal televisions, viewfinder or monitor direct view video tape recorders, navigation devices, pagers, electronic notebooks, electronic calculators, word processors, work. A station, a video phone, a POS terminal, a printing device, and the like, and the input device can be preferably used as these input means, and the liquid crystal device as these image display means and input means.

1 is a schematic cross-sectional view of an input device according to first and second configuration examples of the first embodiment;

2 is a schematic plan view corresponding to FIG. 1;

3 is an exploded perspective view of the touch panel of the first embodiment;

4 is a diagram showing an input device according to a third configuration example of the first embodiment;

5 is a diagram showing an input device according to a fourth configuration example of the first embodiment;

FIG. 6 is a diagram showing an input device according to fifth and sixth configuration examples of the first embodiment; FIG.

7 is a schematic cross-sectional view of a liquid crystal device according to a first configuration example of the second embodiment,

8 is a schematic cross-sectional view of a liquid crystal device according to a second configuration example of the second embodiment;

9 is a schematic sectional view of a liquid crystal device according to a third configuration example of the second embodiment;

10 is a schematic sectional view of an input device according to a first example and a second example of configuration of a third embodiment,

11 is a schematic plan view corresponding to FIG. 10;

12 is an exploded perspective view of the touch panel of the third embodiment;

13 is a diagram showing a manufacturing process of an input device according to a first configuration example of the third embodiment;

14 is a diagram illustrating a manufacturing process of an input device according to a first configuration example of the third embodiment;

15 is a schematic cross-sectional view of an input device according to a third configuration example of the third embodiment;

16 is a diagram illustrating a manufacturing process of an input device according to a third configuration example of the third embodiment;

FIG. 17 is a view showing a step of manufacturing the input device according to the fourth and fifth configuration examples of the third embodiment; FIG.

18 is a schematic cross-sectional view of a liquid crystal device of a fourth embodiment;

19 is a perspective view showing an example of an electronic device according to the present invention;

20 is a perspective view showing another example of an electronic apparatus according to the present invention;

21 is a perspective view showing a conventional touch panel built-in PDA.

Explanation of symbols for the main parts of the drawings

2, 2A, 2B: liquid crystal panel (electro-optical panel), 3: input mechanism, 4: touch panel (input panel), 6a: polarizing plate (front side polarizing plate), 6b: polarizing plate (back side polarizing plate), 4s: main surface, 16: terminal part, 30, 130: film member (flexible member), 31: back side film member, 30a, 130a, 31a, 45b, 46a, 132a: opening part, 40A, 40B, 40C, 40D, 40E, 40F: input Apparatus, 41, 42, 50: adhesive, 43: stepped portion, 45: cover member, 45a: accommodating portion, 45A: panel support, 45s: main surface, 46: light shielding film, 100A, 100B, 100C: liquid crystal device (electro-optical device ), 131: first resin layer, 132: second resin layer, 200: PDA (electronic device)

Claims (20)

Input panel, A cover member provided with a receiving part for receiving the input panel The film member arrange | positioned over one main surface of the said input panel arrange | positioned at the said accommodating part, and one main surface of the said cover member Input device having a. The method of claim 1, One main surface of the input panel, one main surface of the cover member, and the film member are bonded to each other. The method of claim 1, A step is formed in a boundary portion between the one main surface of the input panel and the one main surface of the cover member, and one main surface of the input panel and one main surface of the cover member are in close contact with the film member. An input device, wherein the film member is in close contact with the step. The method of claim 1, A second film member is bonded to the opposite side between the film member and the input panel. The method of claim 1, The light shielding film is formed in the surface by the side of the said input panel of the said film member, The input device characterized by the above-mentioned. The method of claim 1, And the film member and the input panel are optically bonded to each other. The method of claim 1, And the film member has an opening in a planar area of the input panel. The method of claim 1, And an adhesive agent is provided between the input panel and the inner wall surface of the accommodation portion. The method of claim 1, And said film member adhered to said one main surface side of said input panel is a polarizing plate. The method of claim 3, wherein The said film member has a structure which laminated | stacked the 1st resin layer and the 2nd resin layer which consists of a resin material whose hardness is lower than the said 1st resin layer, The input device characterized by the above-mentioned. The method of claim 10, And the second resin layer has an opening in a planar region of the input panel. The method of claim 10, And a panel support portion which protrudes in a frame shape within the housing portion of the cover member and contacts the input panel to support the input panel. An input device having an input panel, a cover member provided with a receiving portion for receiving the input panel, one main surface of the input panel disposed on the receiving portion, and a film member disposed over one main surface of the cover member; An electro-optical panel disposed opposite the film member of the input device An electro-optical device comprising: The method of claim 13, An electro-optical device, wherein one main surface of the input panel, one main surface of the cover member, and the film member are bonded to each other. The method of claim 13, A step is formed in a boundary portion between the one main surface of the input panel and the one main surface of the cover member, and one main surface of the input panel and one main surface of the cover member are in close contact with the film member. The member is in close contact with the step, characterized in that the electro-optical device. The method of claim 13, The board | substrate which comprises the said electro-optical panel, and the surface of the said input device opposite to the said film member are optically bonded, The electro-optical device characterized by the above-mentioned. The method of claim 13, The electro-optical panel is fixed to the cover member, and the input panel is held between the film member and the electro-optical device. The method of claim 13, The film member is an electro-optical device, characterized in that the polarizing plate. The method of claim 13, An electro-optical device, wherein a translucent elastic member is disposed between the substrate constituting the electro-optical panel and the surface of the input device opposite to the film member. A method of manufacturing an input device having an input panel and a cover member for supporting the input panel, A panel arrangement step of arranging the input panel in a receiving portion formed of a recess or an opening formed in the cover member; A film arrangement step of arranging a film member over an input operation surface of the input panel and a main surface of the cover member on the input operation surface side; A bonding step of heating and softening the film member to adhere the input panel and the cover member. The manufacturing method of the input device characterized by having.

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