JPWO2012115140A1 - Image display unit protection panel unit and image display unit protection panel holding structure - Google Patents

Abstract

The image display unit protection panel unit (10) includes an image display unit protection panel (11) including a glass plate disposed in front of the image display unit (3) of the electronic device (1), and the protection panel (11 And an annular elastic member (12) surrounding the outer edge portion (11a). The protective panel (11) includes a front surface (13) as an operation surface, a back surface (14) facing the front surface (13), and an outer peripheral side surface connecting the front surface (13) and the back surface (14) ( And 15). The elastic member (12) includes an inner peripheral joint (20) joined to the outer peripheral side surface (15) of the protective panel (11) by chemical bonding.

Description

  The present invention is used in touch panel electronic devices such as mobile phones, personal digital assistants (PDAs), mobile computers such as tablet computers, digital cameras, video cameras, electronic books, game machines, car navigation systems, and the like. The present invention relates to an image display unit protection panel unit and an image display unit protection panel holding structure.

Touch screen electronic devices such as mobile phones, personal digital assistants, tablet computers, and other mobile computers, digital cameras, video cameras, electronic books, game consoles, car navigation systems, etc. It is operated (for example, refer to Patent Document 1).
The portable electronic device of Patent Document 1 includes a liquid crystal display device and a touch panel that is disposed in front of the liquid crystal display device and can be pushed by a user. The touch panel has, for example, a transparent panel constituting the surface of the touch panel and a transparent electrode protected by the panel. A rubber frame is fitted around the touch panel. The rubber frame is accommodated inside the sheet metal frame. The sheet metal frame is fixed to the housing by screws. Thereby, the touch panel is fixed to the housing.

  The surface portion (front portion) of the housing is formed in a frame shape so that the touch panel is exposed. The surface of the panel is exposed in the opening inside the frame shape, and the user can press the panel with a finger. The outer peripheral portion of the surface of the panel is covered with the surface portion of the housing, and a waterproof packing is sandwiched between the outer peripheral portion of the surface of the panel and the surface portion of the housing.

Japanese Patent No. 3347909

  When the electronic device is, for example, a mobile phone, the electronic device may be accidentally dropped when the user is carrying it. When the electronic device is a car navigation device, the electronic device may be accidentally dropped during transportation until it is fixed to a stay or the like on the back of the dashboard of the vehicle. In addition, vibrations are constantly applied to the electronic device when the automobile is running.

That is, the panel on the surface of the touch panel of the electronic device tends to be subjected to impact from the side surface due to dropping or the like, and it is necessary to withstand repeated pressing operations from the user. For this reason, the structure which can protect a panel from an impact reliably is calculated | required.
In particular, when the panel is made of glass such as tempered glass for the purpose of giving the panel a high-class feeling, the glass panel is less susceptible to impact from the side than the plastic panel. There is a need for a configuration that can be reliably protected.

Then, like patent document 1, the structure which surrounds a panel with a rubber frame, and also hold | maintains to a housing | casing via a sheet metal frame can be considered. However, the structure for holding the panel, such as using a sheet metal frame, becomes large, and the information terminal device becomes large. Moreover, a sheet metal frame becomes essential, and the number of parts increases.
In addition, if moisture such as rainwater enters the housing from between the housing and the panel, the liquid crystal display device may be damaged. Therefore, it is necessary to ensure waterproofing between the housing and the panel. . In Patent Document 1, a waterproof packing is provided. However, it is necessary to provide a packing separately from the rubber frame surrounding the panel, which increases the number of components.

  An object of the present invention is to provide an image display unit protection panel unit and an image display unit protection panel holding structure that are excellent in durability and impact resistance and that can simplify the structure of an electronic device.

  In order to achieve the object, the invention of claim 1 is directed to a protection panel for an image display unit including a glass plate disposed in front of an image display unit of an electronic device, and an annular elasticity surrounding an outer edge of the protection panel. The protection panel includes a front surface as an operation surface, a back surface facing the front surface, and an outer peripheral side surface connecting the front surface and the back surface, and the elastic member is the protection panel. An image display unit protection panel unit including an inner peripheral joint portion joined to the outer peripheral side surface by chemical bonding is provided.

  According to a second aspect of the present invention, in the image display unit protection panel unit according to the first aspect, the elastic member may include rubber formed by inserting the protection panel. According to a third aspect of the present invention, in the image display unit protection panel unit according to the first or second aspect of the present invention, the image display unit protection panel unit includes an annular resin holding frame that surrounds an outer edge of the elastic member, and the elastic member is the holding member. The outer periphery junction part joined by the chemical bond may be included in the inner periphery of the frame.

Further, as in claim 4, in the image display unit protection panel unit according to claim 3, the elastic member includes a front part in which the inner peripheral joint part and the outer peripheral joint part are formed, a rear part, The rear part may include a first rear joint part joined to the outer edge part of the back surface of the protective panel and a second rear joint part joined to the inner edge part of the back surface of the holding frame. Good.
Further, as in claim 5, in the image display unit protection panel unit according to claim 3 or 4, the elastic member may include rubber formed by inserting the protection panel and the holding frame. Good.

  According to a sixth aspect of the invention, there is provided the image display unit protection panel unit according to the first or second aspect, and an annular resin holding frame that holds the protection panel of the image display unit protection panel unit. The elastic member provides an image display unit protection panel holding structure including an inner peripheral joint part joined to the outer peripheral side surface of the protection panel and an annular contact part elastically contacting the holding frame. .

The image display unit protection panel holding structure according to claim 6, wherein the elastic member includes a front portion, a rear portion, and an outer peripheral side portion, and the contact of the elastic member. The portion may include a rear contact portion provided at the rear portion of the elastic member.
Further, as in claim 8, in the image display unit protection panel holding structure according to claim 7, the contact portion of the elastic member includes a front contact portion provided at the front portion of the elastic member. May be.

Further, as in claim 9, in the image display unit protection panel holding structure according to claim 8, the holding frame includes an annular first convex portion that elastically dents the front contact portion of the elastic member. An annular second convex portion that elastically dents the rear contact portion of the elastic member, and the first convex portion and the second convex portion elastically sandwich the elastic member. May be.
According to a tenth aspect of the present invention, there is provided the image display unit protection panel unit according to any one of the third to fifth aspects, and a holding member disposed behind the elastic member of the image display unit protection panel unit. The elastic member provides an image display unit protection panel holding structure including a contact portion that elastically contacts the holding member.

Further, as in claim 11, in the image display unit protection panel holding structure according to claim 10, the image display unit protection panel holding structure includes an annular extending protrusion protruding rearward of the elastic member, and the contact portion includes the extending protrusion. It may be provided in the part.
According to a twelfth aspect of the present invention, in the image display unit protection panel holding structure according to the eleventh aspect, the contact portion may include a rear contact portion provided at a rear portion of the extended convex portion.

Further, as in claim 13, in the image display unit protection panel holding structure according to claim 12, the contact portion includes an inner periphery contact portion provided on an inner periphery of the extension protrusion, and the extension extension. You may include at least 1 with the outer periphery contact part provided in the outer periphery of the convex part.
Further, as in claim 14, in the image display unit protection panel unit according to claim 1 or 2, the protection panel includes a non-transparent annular colored portion disposed on the outer edge portion of the protection panel; A transparent portion surrounded by the colored portion, and the elastic member may be bonded to the colored portion by a chemical bond while avoiding the transparent portion.

  Further, as in claim 15, in the image display unit protection panel unit according to any one of claims 1, 2, or 14, the elastic member is disposed before covering the outer edge portion of the surface of the protection panel. A front cover portion including a front joint portion bonded to an outer edge portion of the surface of the protective panel by a chemical bond, and the inner peripheral joint portion is visible through the front cover portion. Also good.

  According to the image display unit protection panel unit of the first aspect of the invention, since the elastic member is joined to the outer peripheral side surface of the protection panel by chemical bonding, the bonding force between the protection panel and the elastic member can be extremely increased. Therefore, even when the user repeatedly presses the operation surface of the protection panel after long-term use, the separation between the protection panel and the elastic member can be reliably suppressed, and the durability is excellent.

In addition, even when an electronic device is dropped due to carelessness by the user, the impact transmitted to the outer peripheral side of the protective panel can be reliably mitigated by the elastic member, so the outer periphery of the protective panel made of glass plate that tends to be relatively vulnerable to impact It can reliably prevent side damage and has excellent impact resistance.
Furthermore, since the image display unit protection panel unit in which the elastic member is integrated with the protection panel by bonding is configured, the number of parts can be reduced, and thus the structure of the electronic device can be simplified.

  According to invention of Claim 2, the elastic member contains the rubber shape | molded by inserting the protective panel. For example, by injecting an uncured rubber material in a state in which a primer is applied to the outer peripheral side surface of the protective panel set in advance in the mold, both the protective panel and the elastic member are easily and strongly bonded, Both can be integrated. Therefore, the outer peripheral side surface of the protective panel, which is made of a glass plate and tends to be vulnerable to impact, can be reliably protected from impact. Further, since the molded rubber is joined to the outer peripheral side surface of the protective panel without any gap, the waterproofness and dustproofness between the elastic member (rubber) and the protective panel can be extremely increased.

  If a rubber member formed separately from the protective panel is attached to the outer peripheral side surface of the protective panel with an adhesive, the adhesive is applied to the rubber member or the rubber member in a state where the thin rubber member is accurately aligned with the thin protective panel. The troublesome work of supplying the protective panel is necessary. On the other hand, according to the second aspect of the present invention, the rubber (elastic member) can be formed by a simple method in which a pre-primed protective panel is set in a mold and an uncured rubber material is injected into the mold. ), It is excellent in mass productivity.

  According to the image display unit protection panel unit of the invention of claim 3, since the elastic member is bonded to the outer peripheral side surface of the glass panel protection panel and the inner peripheral side surface of the resin holding frame by chemical bonding, The bonding force between the panel and the elastic member can be extremely increased. Therefore, even when the user repeatedly presses the operation surface of the protective panel for long-term use, the separation of the protective panel and the elastic member and the separation of the elastic member and the holding frame can be reliably suppressed, and the durability is excellent. ing.

In addition, even when an electronic device is dropped due to carelessness of the user, the impact transmitted to the outer peripheral side of the protective panel can be reliably mitigated by the elastic member via the holding frame, so that it is made of a glass plate that tends to be relatively vulnerable to impact. It is possible to reliably prevent the outer peripheral side of the protective panel from being damaged and has excellent impact resistance.
Furthermore, since the image display unit protection panel unit is configured by integrating the elastic member to the protection panel and the holding frame by joining, the number of parts can be reduced, and thereby the structure of the electronic device can be simplified.

  According to the invention of claim 4, the front part of the elastic member includes the inner peripheral joint part and the outer peripheral joint part, and the rear part of the elastic member is joined to the outer edge part of the back surface of the protective panel. Since the joining portion and the second rear joining portion joined to the outer edge portion of the back surface of the holding frame are included, the coupling force of the elastic member to the protective panel and the holding frame can be made extremely high. Therefore, durability, waterproofness, and dustproofness can be further improved.

  According to the invention of claim 5, the elastic member includes rubber formed by inserting the protective panel and the holding frame. For example, in a state where a primer is applied to the outer peripheral side surface of the protective panel and the inner periphery of the holding frame set in advance in the mold, the elastic member is applied to both the protective panel and the holding frame by injecting an uncured rubber material. It can be easily and strongly coupled to be integrated as an image display unit protection panel unit. Therefore, the outer peripheral side surface of the protection panel, which is made of a glass plate and tends to be vulnerable to impact, can be reliably protected from impact by the holding frame and the elastic member. Further, since the molded rubber is joined to the outer peripheral side surface of the protective panel and the inner periphery of the holding frame without any gap, the waterproofness and dustproofness between the protective panel and the holding frame can be extremely enhanced.

  According to the holding structure for the image display unit protection panel of the sixth aspect of the invention, since the elastic member is joined to the outer peripheral side surface of the protection panel by chemical bonding, the bonding force between the protection panel and the elastic member can be extremely increased. Therefore, even when the user repeatedly presses the operation surface of the protection panel after long-term use, the separation between the protection panel and the elastic member can be reliably suppressed, and the durability is excellent.

In addition, even when an electronic device is dropped due to carelessness by the user, the impact transmitted to the outer peripheral side of the protective panel can be reliably mitigated by the elastic member, so the outer periphery of the protective panel made of glass plate that tends to be relatively vulnerable to impact It can reliably prevent side damage and has excellent impact resistance.
Furthermore, since the elastic member is integrated with the protective panel by bonding, the image display unit protective panel unit can be handled as one component. Since the number of parts can be reduced, the structure of the electronic device can be simplified.

Moreover, since the elastic member is in elastic contact with the holding frame, the protective panel can be reliably held by the holding frame via the elastic member.
According to the invention of claim 7, since the rear contact portion provided at the rear portion of the elastic member is in contact with the holding frame, the protection panel can be stably supported by the holding frame via the elastic member. Therefore, impact resistance and sealing performance can be improved.

According to the invention of claim 8, since the elastic member is in contact with the holding frame at the front contact portion provided at the front portion of the elastic member in addition to the rear contact portion, the protective panel is further removed by the holding frame. It can be supported stably. Therefore, impact resistance and sealing performance can be further improved.
According to the invention of claim 9, since the first convex portion and the second convex portion of the holding frame sandwich the elastic member while elastically denting the elastic member, the holding frame is interposed via the elastic member. The protection panel can be remarkably stably supported, the impact resistance can be remarkably improved, and the sealing performance can be remarkably improved.

  According to the invention of claim 10, the image display unit protection panel unit including the protection panel, the elastic member, and the holding frame can be attached as a single unit to, for example, a holding member serving as a main body of the electronic apparatus. When the unit is attached, the elastic member is elastically brought into contact with the holding member at the contact portion, and the image display unit protection panel unit can be easily assembled to the electronic apparatus.

According to the eleventh aspect of the invention, when the image display unit protection panel unit is attached, the elastic member is elastically brought into contact with the holding member at the contact portion of the extended projecting portion protruding rearward, whereby the image display unit protection panel unit. Can be easily assembled to an electronic device.
According to the invention of claim 12, since the rear contact portion provided at the rear portion of the extending projection of the elastic member is in elastic contact with the holding member, the impact from the front is alleviated, and the protective panel Can be protected. Moreover, waterproofness and dustproofness can be improved by the rear contact part.

  According to the thirteenth aspect of the present invention, at least one of the inner peripheral contact portion and the outer peripheral contact portion is provided on the extending convex portion of the elastic member and elastically contacts the holding member. Can be relaxed to protect the protective panel. Further, a plurality of stages of sealing can be achieved by at least one of the inner peripheral contact portion and the outer peripheral contact portion and the rear contact portion, and the waterproofness and dustproofness can be significantly improved.

  According to the fourteenth aspect of the present invention, since the front joint portion provided in the cover portion is joined to the protective panel by chemical bonding, the bonding force between the elastic member and the panel can be further increased. Moreover, since the inner peripheral joint portion can be visually recognized through the cover portion, the outer edge portion of the protective panel can have a transparent feeling and a three-dimensional feeling. As a result, the appearance of the protective panel can be improved.

  According to the fifteenth aspect of the present invention, a portion that is preferably hidden from the user from the viewpoint of appearance, such as wiring on the back side of the protective panel in the electronic device, is hidden by the colored portion provided on the outer edge portion of the protective panel. be able to. Thereby, the appearance of the electronic device can be improved. Moreover, since the elastic member is joined to the colored portion while avoiding the transparent portion, the elastic member does not hinder the visibility of the image display portion.

It is a schematic perspective view of the electronic device containing the image display part protection panel unit concerning one Embodiment of this invention. It is a perspective view of an image display part protection panel unit. It is sectional drawing which follows the II-II line | wire of FIG. 1A, and has shown schematic structure inside the electronic device. It is a front view of an electronic device and shows the periphery of the upper end of the electronic device. It is a front view of an electronic device and shows the periphery of the lower end of the electronic device. It is sectional drawing of the principal part of the image display part protection panel unit of another embodiment of this invention. It is sectional drawing of the principal part of the image display part protection panel unit of another embodiment of this invention. It is sectional drawing of the principal part of the image display part protection panel unit of another embodiment of this invention. It is sectional drawing of the principal part of the image display part protection panel unit of another embodiment of this invention. It is sectional drawing of the principal part of the image display part protection panel holding structure of another embodiment of this invention to which the image display part protection panel unit of embodiment of FIG. 4A was applied. It is sectional drawing of the principal part of the image display part protection panel holding structure of another embodiment of this invention to which the image display part protection panel unit of embodiment of FIG. 4A was applied. It is sectional drawing of the principal part of the image display part protection panel holding structure of another embodiment of this invention to which the image display part protection panel unit of embodiment of FIG. 4A was applied. It is sectional drawing of the principal part of the image display part protection panel holding structure of another embodiment of this invention to which the image display part protection panel unit of embodiment of FIG. 4B was applied. It is sectional drawing of the principal part of the image display part protection panel holding structure of another embodiment of this invention to which the image display part protection panel unit of embodiment of FIG. 4B was applied. It is sectional drawing of the principal part of the image display part protection panel holding structure of another embodiment of this invention to which the image display part protection panel unit of embodiment of FIG. 4B was applied. It is sectional drawing of the principal part of the image display part protection panel holding structure of another embodiment of this invention to which the image display part protection panel unit of embodiment of FIG. 4C was applied. It is sectional drawing of the principal part of the image display part protection panel holding structure of another embodiment of this invention to which the image display part protection panel unit of embodiment of FIG. 4C was applied. It is sectional drawing of the principal part of the image display part protection panel holding structure of another embodiment of this invention to which the image display part protection panel unit of embodiment of FIG. 4C was applied. It is sectional drawing of the principal part of the image display part protection panel holding structure of another embodiment of this invention to which the image display part protection panel of embodiment of FIG. 4D was applied. It is sectional drawing of the principal part of the image display part protection panel holding structure of another embodiment of this invention to which the image display part protection panel unit of embodiment of FIG. 4D was applied. It is sectional drawing of the principal part of the image display part protection panel holding structure of another embodiment of this invention to which the image display part protection panel unit of embodiment of FIG. 4D was applied. It is sectional drawing of the principal part of the image display part protection panel unit of another embodiment of this invention. It is sectional drawing of the principal part of the image display part protection panel holding structure of one Embodiment to which the image display part protection panel unit of FIG. 9A was applied. It is sectional drawing of the principal part of the image display part protection panel unit of another embodiment of this invention. It is sectional drawing of the principal part of the image display part protection panel holding structure of one Embodiment to which the image display part protection panel unit of FIG. 10 was applied. It is sectional drawing of the principal part of another image display part protection panel holding structure to which the image display part protection panel unit of FIG. 10 was applied. It is sectional drawing of the principal part of another image display part protection panel holding structure to which the image display part protection panel unit of FIG. 10 was applied. It is sectional drawing of the principal part of the image display part protection panel unit of another embodiment of this invention. It is sectional drawing of the principal part of the image display part protection panel holding structure of one Embodiment to which the image display part protection panel unit of FIG. 12 was applied. It is sectional drawing of the principal part of another image display part protection panel holding structure to which the image display part protection panel unit of FIG. 12 was applied. It is sectional drawing of the principal part of another image display part protection panel holding structure to which the image display part protection panel unit of FIG. 12 was applied. It is sectional drawing of the principal part of the image display part protection panel unit of another embodiment of this invention. It is sectional drawing of the principal part of the image display part protection panel holding structure of one Embodiment to which the image display part protection panel unit of FIG. 14 was applied. It is sectional drawing of the principal part of another image display part protection panel holding structure to which the image display part protection panel unit of FIG. 14 was applied. It is sectional drawing of the principal part of another image display part protection panel holding structure to which the image display part protection panel unit of FIG. 14 was applied. It is sectional drawing of the principal part of another image display part protection panel holding structure to which the image display part protection panel unit of FIG. 14 was applied.

Embodiments of the present invention will be specifically described below with reference to the drawings.
FIG. 1A is a perspective view showing the overall configuration of an electronic apparatus 1 having an image display unit protection panel unit 10 according to an embodiment of the present invention. FIG. 1B is a perspective view of the image display unit protection panel unit 10. FIG. 2 is a cross-sectional view taken along line II-II in FIG. 1A and shows a schematic configuration inside the electronic apparatus 1.

  With reference to FIG. 1A and FIG. 2, the electronic device 1 is portable information terminal devices, such as a smart phone (mobile phone) and an electronic book, for example, and can be carried by the user holding by hand. The electronic device 1 is, for example, a small / medium information terminal device having a screen size of several inches to 10 inches. When the user presses the protection panel 11 of the image display unit protection panel unit 10 (hereinafter also simply referred to as the protection panel unit 10) with a finger, the display content of the electronic device 1 changes.

The electronic device 1 includes a case 2 as a housing (holding member), an image display unit 3 accommodated in the case 2, and a touch panel device 4 disposed in front of the image display unit 3 and accommodated in the case 2. I have.
In addition, in this embodiment, it shall say the up-down direction, the left-right direction, and the front-back direction on the basis of the state which looked at the touch panel apparatus 4 of the electronic device 1 in the front. More specifically, according to the description of the up / down, left / right, and front / rear direction of FIG.

  The case 2 as a holding member is made of plastic, for example, and is formed in a box shape opened forward. The case 2 is formed in a symmetrical shape. The case 2 includes a flat plate-like rear wall 5 and a holding frame 6 constituted by a square annular peripheral side wall that rises forward from the peripheral edge of the rear wall 5. The holding frame 6 functions to hold the protective panel unit 10 in the case 2. The protection panel unit 10 and the holding frame 6 that holds the protection panel unit 10 constitute an image display unit protection panel holding structure P.

The holding frame 6 includes a front surface 6a, a flat annular seat portion 7 provided on the front surface 6a, an annular convex portion 8 surrounding the seat portion 7 and protruding forward, and an inner peripheral side surface 6b.
With reference to FIG. 2, the image display unit 3 is disposed in front of the rear wall 5. The image display unit 3 includes, for example, a liquid crystal display panel and a backlight for applying light from behind the liquid crystal display panel, and displays various screens. The image display unit 3 may be an organic EL panel, in which case the backlight can be omitted.

The image display unit 3 is surrounded by the inner peripheral side surface 6 b of the holding frame 6. The image display unit 3 is fixed to the inner peripheral side surface 6b of the holding frame 6 using an adhesive or a fixing screw (not shown).
The touch panel device 4 is disposed in front of the image display unit 3. The touch panel device 4 is, for example, a capacitive touch panel, and generates an electrical signal corresponding to the pressing operation by the user. The electronic device 1 includes a control unit (not shown) housed in the case 2. The control unit changes the display content of the image display unit 3 based on the electrical signal. The touch panel device 4 is disposed near the front end 2 a of the case 2. The touch panel device 4 includes a transparent electrode 9 disposed in front of the image display unit 3 and a protective panel unit 10 disposed in front of the transparent electrode 9.

  The transparent electrode 9 detects a change in capacitance caused by the user's finger touching the protection panel 11 of the protection panel unit 10. The transparent electrode 9 is formed using a transparent (translucent) material. The transparent electrode 9 is surrounded by the inner peripheral side surface 6b of the holding frame 6, and is fixed to the inner peripheral side surface 6b of the holding frame 6 by using an adhesive or a fixing screw (not shown).

The protection panel unit 10 is provided to protect the transparent electrode 9 and the image display unit 3. Further, the protection panel unit 10 is provided to prevent moisture such as rainwater from entering the inside of the case 2.
The protection panel unit 10 is received by the seat 7 of the case 2 as a holding member. The user can view the image display unit 3 through the protective panel 11 and the transparent electrode 9 of the protective panel unit 10.

Referring to FIG. 1B, a protection panel unit 10 includes a protection panel 11 formed using a glass plate such as tempered glass, and an elastic member that is integrally joined to the outer edge portion 11a of the protection panel 11 by chemical bonding. 12 and so on. Specifically, the elastic member 12 is made of rubber formed by inserting the protective panel 11.
When the image display unit protection panel unit 10 is in a free state where the image display unit protection panel unit 10 is not assembled to the case 2, the outer shell 111 of the protective panel 11 and the outer shell 121 of the elastic member 12 are formed in similar shapes. By forming the elastic member 12 by injection molding, the shape of the outer shell 121 of the elastic member 12 can be formed with high accuracy and a sharp outline.

  Referring to FIGS. 1A and 2, the protection panel 11 is formed in a substantially rectangular plate shape elongated vertically. The protective panel 11 includes a front surface 13 as an operation surface pushed by a user's finger, a back surface 14 facing the front surface 13 in the front-rear direction, and an outer peripheral side surface 15 connecting the front surface 13 and the back surface 14. Have. More specifically, the outer peripheral side surface 15 connects between the outer edge portion 13 a of the front surface 13 and the outer edge portion 14 a of the back surface 14.

The outer edge portion 14 a of the back surface 14 of the protection panel 11 is received by the seat portion 7 of the front surface 6 a of the holding frame 6. Further, the outer peripheral side surface 15 of the protective panel 11 is surrounded by the annular convex portion 8 of the holding frame 6.
The protective panel 11 includes a transparent portion 16 that can transmit light, and a non-transparent colored portion 17 provided on the outer edge portion 11 a of the protective panel 11 so as to surround the transparent portion 16. The transparent portion 16 is colorless and transparent. The transparent part 16 is formed in a rectangular shape, for example. The light from the image display unit 3 reaches the user's eyes through the transparent electrode 9 and the transparent unit 16.

The colored portion 17 is disposed on the outer edge portion 11a of the protective panel 11, and is colored, for example, black and cannot transmit light. The coloring unit 17 functions to prevent the user from visually recognizing the wiring around the outer periphery of the seat 7 and the transparent electrode 9 and the wiring around the outer periphery of the image display unit 3.
The elastic member 12 protects the outer peripheral side surface 15 of the protection panel 11, thereby mitigating the impact acting on the protection panel 11. The elastic member 12 is formed in an annular shape and surrounds the outer peripheral side surface 15 of the protection panel 11. The elastic member 12 is disposed between the outer peripheral side surface 15 of the protective panel 11 and the inner peripheral side surface 9 of the holding frame 6 of the case 2 as a holding member. Thereby, the elastic member 12 suppresses moisture such as rainwater from entering the inside of the case 2 from between the outer peripheral side surface 15 of the protective panel 11 and the inner peripheral side surface 9 of the holding frame 6 of the case 2. .

  The elastic member 12 is an elastic member formed using a rubber member such as silicone rubber. The elastic member 12 is formed of rubber formed by inserting the protective panel 11 and is integrated with the outer edge portion 11a of the protective panel 11 by injection molding. That is, the elastic member 12 is formed by injecting a molten rubber material into a cavity inside the mold while the protective panel 11 is inserted into the mold and cooling the rubber material.

Referring to FIG. 2, the elastic member 12 includes an annular inner peripheral joint portion 20 that is fixed to the outer peripheral side surface 15 of the protective panel 11 by vulcanization adhesion, and an outer edge portion 13 a of the surface 13 of the protective panel 11. And an annular front cover portion 21 for covering. The front cover portion 21 includes an annular front joint portion 21 a that is joined and fixed to the outer edge portion 13 a of the surface 13 of the protective panel 11.
The elastic member 12 elastically contacts the seat portion 7 of the holding frame 6 and elastically contacts the annular rear contact portion 22 received by the seat portion 7 and the inner peripheral side surface 8 a of the annular convex portion 8 of the holding frame 6. And an annular outer peripheral contact portion 23 that comes into contact with each other.

The inner peripheral joint portion 20 and the front joint portion 21a are fixed (joined) to the coloring portion 17 of the protective panel 11. That is, the inner peripheral joint portion 20 and the front joint portion 21a are chemically bonded to the protective panel 11 via the primer. That is, this is not a configuration in which an adhesive for fixing the elastic member 12 to the protective panel 11 is separately provided.
The inner peripheral joint portion 20 is joined over the entire area of the outer peripheral side surface 15 of the protective panel 11 in the circumferential direction of the protective panel 11. Further, the inner peripheral joint portion 20 is joined over the entire area of the outer peripheral side surface 15 of the protective panel 11 in the front-rear direction.

The front joint portion 21 a is disposed on the outer edge portion 13 a of the surface 13 of the protection panel 11 and extends over the entire area of the protection panel 11 in the circumferential direction of the protection panel 11.
The outer peripheral contact portion 23 elastically presses the inner peripheral side surface 8 a of the annular convex portion 8 of the holding frame 6 of the case 2 over the entire area in the circumferential direction of the outer peripheral side surface 15 of the protective panel 11. 8a is in liquid-tight contact. Thereby, the elastic member 12 is elastically compressed (elastically deformed) between the holding frame 6 and the protective panel 11. The protective panel 11 is fixed to the inner peripheral side surface 8 a of the annular convex portion 8 of the holding frame 6 by an elastic repulsive force due to this elastic deformation. In addition, you may apply | coat an adhesive agent to the back surface 14 of the protection panel 11, and may fix the protection panel 11 and the seat part 7 of case 2 with this adhesive agent.

The annular front cover portion 21 covers a part of the outer edge portion 13a of the surface 13 of the protective panel 11 in a front view. The front cover portion 21 extends over the entire area of the protection panel 11 with respect to the circumferential direction of the protection panel 11. The front cover portion 21 has a thickness of, for example, about several hundred μm and is formed to be translucent.
FIG. 3A is a front view of the electronic device 1 and shows the periphery of the upper end portion of the electronic device 1. With reference to FIG. 3A, the front cover portion 21 is formed to be translucent, so that a user viewing the electronic apparatus 1 from the front can visually recognize the inner peripheral joint portion 20 through the front cover portion 21. .

The inner peripheral side surface 8a of the annular convex portion 8 of the holding frame 6 has a straight portion 31 that extends straight in the left-right direction, and a curved portion 32 that is provided in the middle of the straight portion 31 and protrudes downward. doing. Further, the outer peripheral side surface 15 of the protective panel 11 includes a straight portion 41 that extends straight in the left-right direction, and a curved portion 42 that is provided in the middle of the straight portion 41 and that is recessed downward.
The straight portions 31 and 41 face each other in parallel with a predetermined interval. The curved portions 32 and 42 are formed in a curved shape and face each other with a certain distance therebetween. The elastic member 12 includes a straight portion 51 disposed between the straight portions 31 and 41, and a curved portion 52 disposed between the curved portion 32 and the curved portion 42.

A boundary portion 33 between the left end portion of the curved portion 32 and the straight portion 31 of the holding frame 6 and a boundary portion 34 between the right end portion of the curved portion 32 and the straight portion 31 are formed in a sharp shape. Similarly, the boundary portion 43 between the left end portion of the curved portion 42 of the protective panel 11 and the straight portion 41 and the boundary portion 44 between the right end portion of the curved portion 42 and the straight portion 41 are formed in a sharp shape. Yes.
As a result of the elastic member 12 being integrated with the protective panel 11 by injection molding using a mold, the inner peripheral joint portion 20 of the elastic member 12 covers the entire pointed portion of the boundary portions 43 and 44. Surface contact. Further, the inner peripheral joint portion 20 of the elastic member 12 is in surface contact over the entire surface with respect to a curved portion called the curved portion 42. Thereby, the strong coupling | bonding of the protection panel 11 and the elastic piece part 12 is achieved.

  Furthermore, as a result of the elastic member 12 being integrated with the protective panel 11 by injection molding, portions of the elastic member 12 that are in contact with the sharp portions of the boundary portions 33 and 34 of the holding frame 6 are changed to these boundary portions 33 and 34. It can be formed with a high dimensional accuracy in a sharp shape along the shape. In addition, the curved portion 52 that contacts the curved portion 32 of the holding frame 6 in the elastic member 12 can be formed in a curved shape along the shape of the curved portion 32.

As a result, the elastic member 12 must be elastically deformed in order to come into liquid-tight contact with the curved portion 32 and the boundary portions 33 and 34, and elastic deformation in order to come into liquid-tight contact with the straight portion 31. The amount that must be done can be substantially the same.
With the above configuration, when the image display unit protection panel unit 10 is arranged in the holding frame 6, it is possible to suppress the amount of elastic compression of each part of the elastic member 12 from becoming uneven. Thereby, the sealing effect produced when the outer peripheral contact portion 23 of the elastic member 12 comes into contact with the inner peripheral side surface 8a of the annular convex portion 8 of the holding frame 6 is further improved in each circumferential portion of the outer peripheral side surface 15 of the protective panel 11. Can be uniform.

  FIG. 3B is a front view of the electronic device 1 and shows the vicinity of the lower end of the electronic device 1. Referring to FIG. 3B, the inner peripheral side surface 8a of the annular convex portion 8 of the holding frame 6 has a straight portion 35 that extends straight in the left-right direction, and a concave shape that is provided at the right end of the straight portion 35 and that is recessed downward. Part 36. Further, the side surface 15 of the protection panel 11 has a straight portion 45 that extends straight in the left-right direction, and a convex portion 46 that is provided at the right end of the straight portion 45 and protrudes downward.

The straight portions 35 and 45 face each other in parallel with a predetermined interval. Similarly, the concave portion 36 and the convex portion 46 face each other with a certain distance therebetween. The elastic member 12 includes a straight portion 55 disposed between the straight portions 35 and 45, and a convex portion 56 disposed between the concave portion 36 and the convex portion 46.
The corners 37, 38, 39 of the concave portion 36 of the holding frame 6 are formed in a shape that is pointed substantially at a right angle. Similarly, the corners 47, 48, and 49 of the protective panel 11 are formed in a shape that is pointed substantially at a right angle.

As a result of the elastic member 12 being integrated with the protective panel 11 by injection molding, the inner peripheral joint portion 20 of the elastic member 12 is entirely exposed to the pointed portions 47, 48, 49 of the protective panel 11. There is surface contact over the entire surface. Thereby, the strong coupling | bonding of the protection panel 11 and the elastic member 12 is achieved.
Further, as a result of the elastic member 12 being integrated with the protective panel 11 by injection molding, the portions of the elastic member 12 that contact the sharp portions of the corner portions 37, 38, 39 of the holding frame 6 are changed to these sharp portions. It can be formed with a high dimensional accuracy in a sharp shape along the shape. As a result, the elastic member 12 has an amount that must be elastically deformed in order to contact the concave portion 36 in a liquid-tight manner and an amount that must be elastically deformed in order to contact the linear portion 35 in a liquid-tight manner. Can be almost the same.

  With the above configuration, when the image display unit protection panel unit 10 is arranged in the holding frame 6, it is possible to suppress the amount of elastic compression of each part of the elastic member 12 from becoming uneven. Thereby, the sealing effect produced when the outer peripheral contact portion 23 of the elastic member 12 comes into contact with the inner peripheral side surface 8a of the annular convex portion 8 of the holding frame 6 is further improved in each circumferential portion of the outer peripheral side surface 15 of the protective panel 11. Can be uniform.

  According to this embodiment, since the elastic member 12 is joined to the outer peripheral side surface 15 of the protective panel 11 by chemical bonding, the bonding force between the protective panel 11 and the elastic member 12 can be extremely increased. Therefore, even when the user repeatedly presses the surface 13 as the operation surface of the protection panel 11 for a long period of use, the separation between the protection panel 11 and the elastic member 12 can be reliably suppressed, and the durability is excellent. .

In addition, even when the electronic device 1 is dropped due to carelessness of the user, the impact transmitted to the outer peripheral side surface 15 of the protective panel 11 can be reliably mitigated by the elastic member 12, so that it is made of a glass plate that tends to be relatively vulnerable to impact. The outer peripheral side surface 15 of the protective panel 11 can be reliably prevented from being damaged and has excellent impact resistance.
Furthermore, since the image display unit protection panel unit 10 in which the elastic member 12 is integrated with the protection panel 11 by bonding is configured, the number of parts can be reduced, and thus the structure of the electronic device 1 can be simplified. .

  The elastic member 12 includes rubber formed by inserting the protective panel 11. That is, by injecting an uncured rubber material in a state where a primer is applied to the outer peripheral side surface 15 of the protective panel 11 set in advance in the mold, both the protective panel 11 and the elastic member 12 are easily and strongly strengthened. They can be combined to integrate them. Therefore, the outer peripheral side surface 15 of the protective panel 11 which is made of a glass plate and tends to be vulnerable to impact can be reliably protected from impact. Further, since the molded rubber is joined to the outer peripheral side surface 15 of the protective panel 11 without a gap, the waterproofness and dustproofness between the elastic member 12 (rubber) and the protective panel 11 can be made extremely high.

  If a rubber member formed separately from the protective panel is attached to the outer peripheral side surface of the protective panel with an adhesive, the adhesive is applied to the rubber member or the rubber member in a state where the thin rubber member is accurately aligned with the thin protective panel. The troublesome work of supplying the protective panel is necessary. On the other hand, according to the present embodiment, rubber (elastic member 12) is simply formed by setting a pre-primed protective panel in a mold and injecting an uncured rubber material into the mold. Since it can be molded, it is excellent in mass productivity.

Further, since the elastic member 12 itself has a waterproof / dustproof effect in addition to the above-described impact absorbing effect, there is no need for a separate packing for waterproofing, and the number of parts can be extremely reduced. The waterproof / dustproof performance between the case 2 and the holding frame 6 of the case 2 can be increased.
A colored portion 17 is provided on the outer edge portion 11 a of the protective panel 11. Thereby, the coloring part 17 can hide a part that is preferably hidden from the user from the viewpoint of appearance, such as wiring on the back side of the protection panel 11. Thereby, the appearance of the electronic device 1 can be improved. Further, the elastic member 12 is integrated with the colored portion 17, and the elastic member is not disposed in the transparent portion 16. Thereby, it can suppress that the elastic member 12 conceals the screen display of the image display part 3, and can make the image display part 3 easier to see for a user.

The appearance of the elastic member 12 is integrated with the side surface 15 of the protective panel 11 by injection molding, and the improvement of the appearance by providing the colored portion 17 is combined with the electronic device 1. Can be improved.
Moreover, the front cover part 21 which covers the outer edge part 13a of the surface 13 of the protection panel 11 is joined to the protection panel 11 via the front joining part 21a, whereby the bonding force between the elastic member 12 and the protection panel 11 is increased. Can be higher. Further, the inner peripheral joint portion 20 can be visually recognized through the front cover portion 21. Thereby, the outer edge part 11a of the protection panel 11 can be given a transparency and a three-dimensional effect, and as a result, the appearance of the image display part protection panel unit 10 can be improved. As described above, by providing the front cover portion 21, a synergistic effect of improving the bonding strength between the elastic member 12 and the protective panel 11 and improving the appearance can be exhibited.

4A, 4B, 4C, and 4D each show an image display unit protection panel unit according to another embodiment of the present invention.
The image display unit protection panel unit 10A shown in FIG. 4A is different from the image display unit protection panel unit 10 of the embodiment of FIG. That is, the elastic member 12 </ b> A of the image display unit protection panel unit 10 </ b> A includes a back cover portion 24 that covers a part of the outer edge portion 14 a of the back surface 14 of the protection panel 11 in addition to the front cover portion 21. Thereafter, the cover portion 24 has a rear joint portion 24a joined to the outer edge portion 14a by chemical bonding. According to this embodiment, the coupling force between the protection panel 11 and the elastic member 12A can be further increased.

  The image display unit protection panel unit 10B shown in FIG. 4B is different from the image display unit protection panel unit 10A of the embodiment of FIG. 4A in the following. That is, the elastic member 12B of the image display unit protection panel unit 10B is joined only to the outer peripheral side surface 15 of the protection panel 11. According to the present embodiment, the thickness in the front-rear direction of the image display unit protection panel unit 10B can be reduced, and the electronic device 1 can be reduced in size.

  Further, the image display unit protection panel unit 10C shown in FIG. 4C is different from the image display unit protection panel unit 10A of the embodiment of FIG. 4A in the following. That is, the outer shape of the cross section (cross section orthogonal to the outer peripheral side surface 15 and parallel to the protective panel 11) of the elastic member 12C of the image display unit protection panel unit 10C is formed in an elliptical shape or a flat round shape. ing. According to this embodiment, since the thickness of the elastic member 12C is appropriately increased so as to protrude forward and backward of the protective panel 11, the elastic member 12C can be suitably combined with a holding frame that appropriately compresses.

  The image display unit protection panel unit 10D shown in FIG. 4D is different from the image display unit protection panel unit 10C of the embodiment of FIG. 4C as follows. That is, the outer shape of the cross section (the same cross section as FIG. 4C) of the elastic member 12D of the image display unit protection panel unit 10D is formed in a substantially rectangular shape. According to the present embodiment, the thickness of the elastic member 12D is appropriately increased so as to protrude forward and backward of the protection panel 11, so that the elastic member 12D can be suitably combined with a holding frame that appropriately compresses.

Next, FIGS. 5A, 5B, and 5C show an image display unit protection panel holding structure using the image display unit protection panel unit 10A of FIG. 4A, respectively.
The image display unit protection panel holding structure P1 of the embodiment of FIG. 5A includes an image display unit protection panel unit 10A having a protection panel 11 and an elastic member 12A, and a holding frame 60 that holds the image display unit protection panel unit 10A. In the embodiment of FIG. 2, the outer edge portion 14a of the back surface 14 of the protective panel 11 and the seat portion 7 of the holding frame 6 are in contact with each other, but in this embodiment, the outer edge portion 14a of the back surface 14 of the protective panel 11 and A minute gap S is formed between the holding frame 60 and the seat portion 7. The elastic member 12A has a front portion 12A1, a rear portion 12A2, and an outer peripheral side portion 12A3. The rear portion 12A2 has a rear contact portion 22 that elastically contacts the seat portion 7. The outer peripheral side portion 12A3 has an outer peripheral contact portion 23 that elastically contacts the inner periphery 8a of the annular convex portion 8 of the holding frame 60.

Similar to the holding frame 6 of the embodiment of FIG. 2, the holding frame 60 may be formed integrally with the case 2 as a single member, or formed separately from the case 2 and fixed to the case 2. It may be done. In the constituent elements of this embodiment, the same constituent elements as those of the embodiment of FIG. 2 are denoted by the same reference numerals as those of the constituent elements of the embodiment of FIG.
Next, the image display unit protection panel holding structure P2 of the embodiment of FIG. 5B includes the image display unit protection panel unit 10A having the protection panel 11 and the elastic member 12A, the first holding frame 61 that holds the image display unit protection panel unit, and the first holding. And a second holding frame 62 fixed to the frame 61. Both holding frames 61 and 62 are fixed to each other by, for example, screwing. The first holding frame 61 includes a square annular peripheral side wall 63 and an annular front wall 64 extending inward from the front end of the peripheral side wall 63. The front wall 64 has an annular first convex portion 65 protruding rearward. The first convex portion 65 has a trapezoidal cross section.

The second holding frame 62 has a rectangular annular peripheral side wall 66 along the inner periphery of the peripheral side wall 63 of the first holding frame 61, and extends inward from the front end of the peripheral side wall 66. And an annular front wall 67 opposed to the front and rear. The front wall 67 has an annular second convex portion 68 protruding forward. The second convex portion 68 has a trapezoidal cross section.
The first convex portion 65 and the second convex portion 68 oppose each other in the front-rear direction, and sandwich the elastic member 12A in the front-rear direction. The front portion 12A1 of the elastic member 12A includes a front contact portion 91a that elastically contacts the front wall 64 of the first holding frame 61 disposed in front of the elastic member 12A. The rear portion 12A2 of the elastic member 12A includes a rear contact portion 92a that elastically contacts the front wall 67 of the second holding frame 62 disposed behind the elastic member 12A. The front contact portion 91 a is elastically recessed by the first convex portion 65 of the front wall 64, and the rear contact portion 92 a is elastically recessed by the second convex portion 68 of the front wall 67. In the constituent elements of this embodiment, the same constituent elements as those of the embodiment of FIG. 2 are denoted by the same reference numerals as those of the constituent elements of the embodiment of FIG.

  According to this embodiment, the first convex portion 65 of the first holding frame 61 and the second convex portion 68 of the second holding frame 62 sandwich the elastic member 12A while elastically denting the elastic member 12A. Therefore, the protection panel 11 can be remarkably and stably supported by the holding frames 61 and 62 via the elastic member 12A, the impact resistance can be remarkably improved, and the sealing performance is remarkably improved. Can do.

  In the present embodiment, both the holding frames 61 and 62 may be formed integrally with the case 2 as a single member, as with the holding frame 6 of the embodiment of FIG. It may be formed to be fixed to the case 2. In the latter case, an image display unit protection panel unit including the protection panel 11, the elastic member 12A, and both holding frames 61 and 62 is formed.

  Next, the image display unit protection panel holding structure P3 of the embodiment of FIG. 5C includes an image display unit protection panel unit 10A having the protection panel 11 and the elastic member 12A, and a holding frame 69 for holding the image display unit protection panel unit 10A. The holding frame 69 includes a square annular peripheral side wall 70, an annular front wall 71 extending inward from the front end of the peripheral side wall 70, and an annular rear wall 72 extending inward from the rear end of the peripheral side wall 70. Yes. The front wall 71 has a first convex portion 73 protruding rearward, and the rear wall 72 has a second convex portion 74 protruding forward.

  The 1st convex part 73 and the 2nd convex part 74 are facing front and back, and are holding 12 A of elastic members back and forth. The front portion 12A1 of the elastic member 12A includes a front contact portion 91a that contacts the front wall 71. The rear portion 12A2 of the elastic member 12A includes a rear contact portion 92a that contacts the rear wall 72. The front contact portion 91 a is elastically recessed by the first convex portion 73, and the rear contact portion 92 a is elastically recessed by the second convex portion 74. In the constituent elements of this embodiment, the same constituent elements as those of the embodiment of FIG. 2 are denoted by the same reference numerals as those of the constituent elements of the embodiment of FIG.

According to the present embodiment, the first convex portion 73 and the second convex portion 74 of the holding frame 69 sandwich the elastic member 12A while elastically denying the elastic member 12A. The protective panel 11 can be remarkably stably supported via the member 12A, impact resistance can be remarkably improved, and sealing performance can be remarkably improved.
In the present embodiment, the holding frame 69 may be formed integrally with the case 2 as a single member, as with the holding frame 6 in the embodiment of FIG. And it may be fixed to the case 2. In the latter case, an image display unit protection panel unit including the protection panel 11, the elastic member 12A, and the holding frame 69 is formed.

6A, 6B, and 6C each show an image display unit protection panel holding structure using the image display unit protection panel unit 10B of FIG. 4B.
The image display unit protection panel holding structure P4 of the embodiment of FIG. 6A includes an image display unit protection panel unit 10B having the protection panel 11 and the elastic member 12B, and a holding frame 60 that holds the image display unit protection panel unit 10B. This embodiment is different from the embodiment of FIG. 2 in that an elastic member 12B is used instead of the elastic member 12 of the embodiment of FIG. 2, and a holding frame 60 is used instead of the holding frame 6 of the embodiment of FIG. It is only the point that was. A rear contact portion 22 is provided on the rear portion 12B2 of the elastic member 12B, and an outer peripheral contact portion 23 is provided on the outer peripheral side portion 12B3 of the elastic member 12B. In the constituent elements of this embodiment, the same constituent elements as those of the embodiment of FIG. 2 are denoted by the same reference numerals as those of the constituent elements of the embodiment of FIG.

  Next, the image display unit protection panel holding structure P5 of the embodiment of FIG. 6B includes the image display unit protection panel unit 10B having the protection panel 11 and the elastic member 12B, the first holding frame 61 that holds the image display unit protection panel unit, and the first holding. And a second holding frame 62 </ b> A fixed to the frame 61. The first holding frame 61 is the same as the first holding frame 61 of FIG. 5B. The second holding frame 62A is different from the second holding frame 62 in FIG. 5B in that the front wall 67A is radially inward from the annular second convex portion 68 and the outer edge portion 14a of the back surface 14 of the protective panel 11 is. It is the point which provides the annular seat part 671 which receives.

  The front portion 12B1 of the elastic member 12B includes a front contact portion 91b that contacts the front wall 64 of the first holding frame 61 disposed in front of the elastic member 12B. The rear portion 12B2 of the elastic member 12B includes a rear contact portion 92b that contacts the front wall 67A of the second holding frame 62A disposed behind the elastic member 12B. The front contact portion 91b is elastically recessed by the first convex portion 65 of the front wall 64, and the rear contact portion 92b is elastically recessed by the second convex portion 68 of the front wall 67A. In the constituent elements of this embodiment, the same constituent elements as those of the embodiment of FIGS. 2 and 5B are denoted by the same reference numerals as those of the constituent elements of the embodiment of FIGS.

According to the present embodiment, since the first convex portion 65 and the second convex portion 68 hold the elastic member 12B while elastically denting the elastic member 12B, the elastic members are held by the holding frames 61 and 62A. The protective panel 11 can be remarkably stably supported via 12B, the impact resistance can be remarkably improved, and the sealing performance can be remarkably improved.
In the present embodiment, both the holding frames 61 and 62A may be formed integrally with the case 2 as a single member, as with the holding frame 6 of the embodiment of FIG. It may be formed to be fixed to the case 2. In the latter case, an image display unit protection panel unit including the protection panel 11, the elastic member 12B, and both the holding frames 61 and 62A is formed.

  Next, the image display unit protection panel holding structure P6 of the embodiment of FIG. 6C is provided on the image display unit protection panel unit 10B having the protection panel 11 and the elastic member 12B, and the holding frame 69 of the embodiment of FIG. A holding frame 69A having a similar configuration is provided. The holding frame 69A of the present embodiment is different from the holding frame 69 of FIG. 5C in that the rear wall 72A of the holding frame 69A is radially inward of the annular second convex portion 74 and the back surface 14 of the protective panel 11 is An annular seat 721 for receiving the outer edge portion 14a is provided.

  The front portion 12B1 of the elastic member 12B includes a front contact portion 91b that contacts the front wall 71. The rear portion 12B2 of the elastic member 12B includes a rear contact portion 92b that contacts the rear wall 72A. The front contact portion 91 b is elastically recessed by the first convex portion 73, and the rear contact portion 92 b is elastically recessed by the second convex portion 74. In the constituent elements of this embodiment, the same constituent elements as those of the embodiment of FIGS. 2 and 5C are denoted by the same reference numerals as those of the constituent elements of the embodiments of FIGS.

According to the present embodiment, since the first convex portion 73 and the second convex portion 74 of the holding frame 69A sandwich the elastic member 12B while elastically denying the elastic member 12B, the holding frame 69A is elastic. The protection panel 11 can be remarkably stably supported via the member 12B, impact resistance can be remarkably improved, and sealing performance can be remarkably improved.
In the present embodiment, the holding frame 69 </ b> A may be formed integrally with the case 2 as a single member, as with the holding frame 6 of the embodiment of FIG. 2, or may be formed separately from the case 2. And it may be fixed to the case 2. In the latter case, an image display unit protection panel unit including the protection panel 11, the elastic member 12B, and the holding frame 69A is formed.

7A, FIG. 7B, and FIG. 7C show an image display unit protection panel holding structure using the image display unit protection panel unit 10C of FIG. 4C, respectively.
The image display unit protection panel holding structure P7 of the embodiment of FIG. 7A includes an image display unit protection panel unit 10C having a protection panel 11 and an elastic member 12C, a first holding frame 61 that holds the image display unit protection panel unit, and a first holding frame 61. And a second holding frame 62B fixed to the frame.

  The first holding frame 61 and the second holding frame 62B of the present embodiment have the same configuration as the first holding frame 61 and the second holding frame 62 of FIG. 5B. However, the fixing position of the second holding frame 62B with respect to the first holding frame 61 of the present embodiment is different from the fixing position of the second holding frame 62 with respect to the first holding frame 61 of the embodiment of FIG. 5B. Thereby, the space | interval between the front walls 67 and 67 of both the holding frames 61 and 62B of this embodiment becomes wider than the space | interval between the front walls 64 and 67 of both the holding frames 61 and 62 of embodiment of FIG. 5B. Has been. This is because the thickness in the front-rear direction of the elastic member 12C of this embodiment is larger than the thickness in the front-rear direction of the elastic member 12A of the embodiment of FIG. 5B.

  The front portion 12C1 of the elastic member 12C includes a front contact portion 91c that contacts the front wall 64 of the first holding frame 61 disposed in front of the elastic member 12C. The rear portion 12C2 of the elastic member 12C includes a rear contact portion 92c that comes into contact with the front wall 67 of the second holding frame 62 disposed behind the elastic member 12C. The front contact portion 91 c is elastically recessed by the first convex portion 65 of the front wall 64, and the rear contact portion 92 c is elastically recessed by the second convex portion 68 of the front wall 67.

Further, the outer edge portion 11 a of the protection panel 11 is disposed between the first convex portion 65 and the second convex portion 68. The outer edge portion 11a of the protection panel 11 is elastically sandwiched between the convex portions 65 and 68 via the elastic member 12C.
In the constituent elements of this embodiment, the same constituent elements as those of the embodiment of FIGS. 2 and 5B are denoted by the same reference numerals as those of the constituent elements of the embodiment of FIGS.

According to the present embodiment, since the first convex portion 65 and the second convex portion 68 hold the elastic member 12C while elastically denying the elastic member 12C, the elastic members are held by the holding frames 61 and 62B. The protective panel 11 can be remarkably stably supported via 12C, impact resistance can be remarkably improved, and sealing performance can be remarkably improved.
Further, the outer edge portion 11a of the protective panel 11 is disposed between the first convex portion 65 and the second convex portion 68, and is elastically sandwiched between the convex portions 65 and 68 via the elastic member 12C. Therefore, the protection panel 11 can be supported more stably, and the impact resistance can be further improved. In particular, both convex portions 65 and 68 are designed to dent the thickest portion of the elastic member 12C, and the elastic support effect is high.

  In the present embodiment, both the holding frames 61 and 62B may be formed integrally with the case 2 as a single member, as with the holding frame 6 of the embodiment of FIG. It may be formed to be fixed to the case 2. In the latter case, an image display unit protection panel unit including the protection panel 11, the elastic member 12C, and both the holding frames 61 and 62B is formed.

  Next, the image display unit protection panel holding structure P8 of the embodiment of FIG. 7B includes an image display unit protection panel unit 10C having the protection panel 11 and the elastic member 12C, and a holding frame 69B that holds the image display unit protection panel unit 10C. The holding frame 69B of the present embodiment is different from the holding frame 69 of FIG. 5C in the holding frame 69B of the present embodiment where the distance between the front wall 71B and the rear wall 72B is the same as the front wall 71 and the rear wall of FIG. 5C. It is a point made wider than the space | interval with 72. Accordingly, the length in the front-rear direction of the peripheral side wall 70B of the holding frame 69B of the present embodiment is longer than the length in the front-rear direction of the peripheral side wall 70 of the holding frame 69 of the embodiment of FIG. 5C.

  The front portion 12C1 of the elastic member 12C includes a front contact portion 91c that contacts the front wall 71B. The rear portion 12C2 of the elastic member 12C includes a rear contact portion 92c that contacts the rear wall 72B. The front contact portion 91 c is elastically recessed by the first convex portion 73, and the rear contact portion 92 c is elastically recessed by the second convex portion 74. The outer peripheral side portion 12C3 of the elastic member 12C has an outer peripheral contact portion 93 that elastically contacts the inner periphery 70B1 of the peripheral side wall 70B of the holding frame 69B.

Further, the outer edge portion 11 a of the protection panel 11 is disposed between the first convex portion 73 and the second convex portion 74. The outer edge portion 11a of the protection panel 11a is elastically sandwiched between the convex portions 73 and 74 via the elastic member 12C.
In the constituent elements of this embodiment, the same constituent elements as those of the embodiment of FIGS. 2 and 5C are denoted by the same reference numerals as those of the constituent elements of the embodiments of FIGS.

  According to the present embodiment, since the first convex portion 73 and the second convex portion 74 sandwich the elastic member 12C while elastically denying the elastic member 12C, the holding frame 69B is interposed via the elastic member 12C. Thus, the protection panel 11 can be remarkably stably supported, the impact resistance can be remarkably improved, and the sealing performance can be remarkably improved. In addition, since the outer peripheral contact portion 93 of the outer peripheral side portion 12C3 of the elastic member 12C is in elastic contact with the inner periphery 70B1 of the peripheral side wall 70B of the holding frame 69B, the impact resistance and the sealing performance can be further improved. it can.

  Moreover, the outer edge part 11a of the protection panel 11 is arrange | positioned between the 1st convex part 73 and the 2nd convex part 74, and is elastically clamped via the elastic member 12C by both the convex parts 73 and 74. Therefore, the protection panel 11 can be supported more stably, and the impact resistance can be further improved. In particular, both convex portions 73 and 74 are designed to dent the thickest portion of the elastic member 12C, and the elastic support effect is high.

In the present embodiment, the holding frame 69B may be formed integrally with the case 2 as a single member, as with the holding frame 6 in the embodiment of FIG. And it may be fixed to the case 2. In the latter case, an image display unit protection panel unit including the protection panel 11, the elastic member 12C, and the holding frame 69B is formed.
Next, the image display unit protection panel holding structure P9 of the embodiment of FIG. 7C includes an image display unit protection panel unit 10C having the protection panel 11 and the elastic member 12C, and an annular holding frame 75 that holds the image display unit protection panel unit 10C. .

The holding frame 75 includes a peripheral side wall 76 having a quadrangular annular shape and an annular rear wall 77 extending inward from the rear portion of the peripheral side wall 76. On the inner periphery 76a of the peripheral side wall 76, for example, an annular recess 78 having a concave cross section is formed. The outer peripheral side portion 12 </ b> C of the elastic member 12 </ b> C is mainly fitted into the annular recess 78, and the elastic member 12 </ b> C is held by the holding frame 75.
The front portion 12C1 of the elastic member 12C has a front contact portion 91d in surface contact with the annular recess 78 of the peripheral side wall 76 at a portion near the outer peripheral side portion 12C3. The rear portion 12C2 of the elastic member 12C has a rear contact portion 92d that elastically contacts the front surface 77a of the rear wall 77. The outer peripheral side portion 12C3 of the elastic member 12C has an outer peripheral contact portion 93d that elastically contacts the annular recess 78 of the peripheral side wall 76. The front contact portion 91d and the outer peripheral contact portion 93d are continuously in contact with the annular recess 78, and the sealing effect is enhanced.

  According to the present embodiment, the elastic member 12C joined to the protective panel 11 by a plurality of joints (inner peripheral joint 20, front joint 21a, rear joint 24a) is formed into a plurality of contact parts (front contact part 91d). The rear contact portion 92d and the outer peripheral contact portion 93d) elastically contact the holding frame 75. Therefore, the protection panel 11 can be supported with great stability through the elastic member 12C by the holding frame 75, the impact resistance can be greatly improved, and the sealing performance can be greatly improved.

Moreover, at the time of assembly, the elastic member 12C only needs to be fitted into the annular recess 78 of the holding frame 75, so that the assembly is easy.
In the present embodiment, the holding frame 75 may be formed integrally with the case 2 as a single member, as with the holding frame 6 of the embodiment of FIG. 2, or may be formed separately from the case 2. And it may be fixed to the case 2. In the latter case, an image display unit protection panel unit including the protection panel 11, the elastic member 12C, and the holding frame 75 is formed.

8A, FIG. 8B, and FIG. 8C each show an image display unit protection panel holding structure using the image display unit protection panel unit 4D of FIG. 4D.
The image display unit protection panel holding structure P10 of the embodiment of FIG. 8A includes an image display unit protection panel unit 10D having a protection panel 11 and an elastic member 12D, and a holding frame 60 that holds the image display unit protection panel unit 10D. In the embodiment of FIG. 2, the outer edge portion 14a of the back surface 14 of the protective panel 11 and the seat portion 7 of the holding frame 6 are in contact with each other, but in this embodiment, the outer edge portion 14a of the back surface 14 of the protective panel 11 and A gap S <b> 1 is formed between the holding frame 60 and the seat portion 7.

The rear portion 12D2 of the elastic member 12D has a rear contact portion 22 that elastically contacts the seat portion 7 of the holding frame 60. The outer peripheral side portion 12D3 of the elastic member 12D has an outer peripheral contact portion 23 that elastically contacts the inner peripheral side surface 8a of the annular convex portion 8 of the holding frame 60.
According to the present embodiment, a plurality of elastic members 12D having a rectangular cross section joined to the protective panel 11 at a plurality of joining portions (inner peripheral joining portion 20, front joining portion 21a, rear joining portion 24a) in the front and rear are provided. The contact portion (rear contact portion 22 and outer periphery contact portion 23) elastically contacts the holding frame 60. Therefore, the protection panel 11 can be supported by the holding frame 60 via the elastic member 12D in a stable manner, impact resistance can be significantly improved, and sealing performance can be greatly improved. In particular, since the rear contact portion 22 and the outer peripheral contact portion 23 are in surface contact, the sealing performance can be further improved.

  Next, the image display unit protection panel holding structure P11 of the embodiment of FIG. 8B includes the image display unit protection panel unit 10D having the protection panel 11 and the elastic member 12D, the first holding frame 61 that holds the image display unit protection panel unit, and the first holding. And a second holding frame 62B fixed to the frame 61. The first holding frame 61 and the second holding frame 62B of the present embodiment have the same configuration as the first holding frame 61 and the second holding frame 62B of FIG. 7A.

  A front contact portion 91e provided on the front portion 12D1 of the elastic member 12D is elastically recessed by the first convex portion 65. A rear contact portion 92e provided in the rear portion 12D2 of the elastic member 12D is elastically recessed by the second convex portion 68. In the constituent elements of this embodiment, the same constituent elements as those of the embodiment of FIGS. 2 and 7A are denoted by the same reference numerals as those of the constituent elements of the embodiment of FIGS.

According to this embodiment, the same effect as the embodiment of FIG. 7A can be obtained. In addition, since the elastic member 12D has a rectangular cross section and has a large amount of meat, the impact absorbing effect is high, and the volume ratio of the elastic member 12D occupying in the annular space defined by both the holding frames 61 and 62B is Since it is high, the sealing performance can be increased.
In the present embodiment, both the holding frames 61 and 62B may be formed integrally with the case 2 as a single member, as with the holding frame 6 of the embodiment of FIG. It may be formed to be fixed to the case 2. In the latter case, an image display unit protection panel unit including the protection panel 11, the elastic member 12D, and both holding frames 61 and 62B is formed.

8C includes the image display unit protection panel unit 10D having the protection panel 11 and the elastic member 12D, and a holding frame 69B that holds the image display unit protection panel unit 10D. The configuration of the holding frame 69B of this embodiment is the same as the holding frame 69B of the embodiment of FIG. 7B.
A front contact portion 91e provided on the front portion 12D1 of the elastic member 12D is elastically recessed by the first convex portion 73. Further, the rear contact portion 92e provided on the rear portion 12D2 of the elastic member 12D is elastically recessed by the second convex portion 74. In the constituent elements of this embodiment, the same constituent elements as those of the embodiment of FIGS. 2 and 7B are denoted by the same reference numerals as those of the constituent elements of the embodiment of FIGS.

According to the present embodiment, as in the embodiment of FIG. 8B, since the elastic member 12D has a rectangular cross section and the amount of meat is increased, the impact absorbing effect is high, and the inside of the annular space partitioned by the holding frame 69B. Since the volume ratio of the elastic member 12D is high, the sealing property can be increased. In addition, since the single holding frame 69B is used, the structure can be simplified.
In the present embodiment, the holding frame 69B may be formed integrally with the case 2 as a single member, as with the holding frame 6 in the embodiment of FIG. And it may be fixed to the case 2. In the latter case, an image display unit protection panel unit including the protection panel 11, the elastic member 12D, and the holding frame 69B is formed.

  5B, FIG. 6B, FIG. 7A, and FIG. 8B, the outer surface of the first convex portion 65 and the outer surface of the second convex portion 66 extend in the front-rear direction, and corresponding elastic members 12A, 12B. , 12C and 12D are bitten into the front and rear surfaces, respectively. 5C, FIG. 6C, FIG. 7B, and FIG. 8C, the outer surface of the 1st convex part 73 and the outer surface of the 2nd convex part 74 are extended in the front-back direction, and corresponding elastic member 12A, 12B. , 12C and 12D are bitten into the front and rear surfaces, respectively. Thereby, each elastic member 12A, 12B, 12C, and 12D is hard to shift | deviate to the inner side (protection panel 11) side. As a result, the protective panel 11 is difficult to slip.

Next, FIG. 9A is a cross-sectional view of the main part of an image display unit protection panel unit 10E of still another embodiment of the present invention, and FIG. 9B is an image display to which the image display unit protection panel unit 10E of FIG. 9A is applied. It is sectional drawing of the principal part of the part protection panel holding structure Q1.
As shown in FIG. 9A, the image display unit protection panel unit 10E is bonded to the protection panel 11, the annular resin holding frame 79 surrounding the protection panel 11, and the protection panel 11 and the holding frame 79 by chemical bonding. And an elastic member 12E. The holding frame 79 includes a front wall 80 and an inclined side wall 82 connected to the outer edge of the front wall 80 via a curved portion 81 and extending rearward and obliquely to the side.

  The elastic member 12E includes an inner peripheral joint portion 83 joined to the outer peripheral side surface 15 of the protective panel 11 by chemical bond, and an outer peripheral joint portion 85 joined to the inner peripheral side surface 84 of the front wall 80 of the holding frame 79 by chemical bond. The first rear joint 86 joined by chemical bonding to the outer edge 14a of the back surface 14 of the protective panel 11 and the second rear joined by chemical bonding to the inner edge 87a of the rear surface 87 of the front wall 80 of the holding frame 79. And a joining portion 88.

  The elastic member 12 </ b> E has an annular front portion 201 interposed between the outer peripheral side surface 15 of the protective panel 11 and the inner peripheral side surface 84 of the front wall 80 of the holding frame 79, and an annular plate-like shape continuous to the rear portion of the front portion 201. And a rear portion 202. The rear portion 202 includes an annular first receiving portion 203 that receives the outer edge portion 14 a of the back surface 14 of the protective panel 11, and an annular second receiving portion 204 that receives the inner edge portion 87 a of the back surface 87 of the front wall 80 of the holding frame 79. I have.

The front part 201 includes an inner peripheral side part 201a in which an inner peripheral joint part 83 is formed and an outer peripheral side part 201b in which an outer peripheral joint part 85 is formed. A first rear joining portion 86 is provided on the front surface of the first receiving portion 203, and a second rear joining portion 88 is provided on the front surface of the second receiving portion 204.
The elastic member 12E is formed of rubber (for example, silicone rubber) formed by inserting the protective panel 11 and the holding frame 79.

As shown in FIG. 9B, the image display unit protection panel holding structure Q1 includes an image display unit protection panel unit 10E and a case 320 of the electronic device 1 as a holding member that holds the image display unit protection panel unit 10E. ing.
On the front surface 321 of the case 320, an annular convex portion 322 that protrudes forward is formed. A rear contact portion 202a provided on the back surface of the rear portion 202 of the elastic member 12E is in elastic contact with, for example, the flat top portion 323 of the annular convex portion 322. That is, the elastic member 12 </ b> E is received by the top portion 323 of the annular convex portion 322. Although not shown, the holding frame 79 and the case 320 are fixed by screws or the like.

  According to the image display unit protection panel unit 10E of the present embodiment, the elastic member 12E includes the outer peripheral side surface 15 of the glass panel protection panel 11 and the inner peripheral side surface of the resin holding frame 79 (the inner peripheral side surface of the front wall 80). 84), the bonding force between the protective panel 11 and the elastic member 12E can be made extremely high. Therefore, even when the user repeatedly presses the operation surface (front surface 13) of the protection panel 11 with long-term use, the protection panel 11 and the elastic member 12E are separated or the elastic member 12E and the holding frame 79 are separated. It can be reliably suppressed and has excellent durability.

Further, even when the electronic device 1 is dropped due to the carelessness of the user, the impact transmitted to the outer peripheral side surface 15 of the protective panel 11 can be reliably reduced by the elastic member 12E via the holding frame 79. It is possible to reliably prevent damage to the outer peripheral side surface 15 of the protective panel 11 made of glass plate, and it is excellent in impact resistance.
Further, since the elastic member 12E is integrated with the protective panel 11 and the holding frame 79 by bonding to constitute the image display unit protective panel unit 10E, the number of parts can be reduced, thereby simplifying the structure of the electronic device 1. can do.

  Further, the elastic member 12E includes rubber formed by inserting the protective panel 11 and the holding frame 79. For example, injecting an uncured rubber material in a state where a primer is applied to the outer peripheral side surface 15 of the protective panel 11 and the inner periphery of the holding frame 79 (inner peripheral side surface 84 of the front wall 80) set in advance in the mold. Accordingly, the elastic member 12E can be easily and strongly coupled to both the protection panel 11 and the holding frame 79, and integrated as the image display unit protection panel unit 10E. Further, since the molded rubber is joined to the outer peripheral side surface 15 of the protective panel 11 and the inner periphery of the holding frame 79 (the inner peripheral side surface 84 of the front wall 80) without any gap, the gap between the protective panel 11 and the holding frame 79 is reduced. The waterproofness and dustproofness can be made extremely high.

  Further, the front part 201 of the elastic member 12E includes an inner peripheral joint part 83 and an outer peripheral joint part 85, and the rear part 202 of the elastic member 12E is joined to the outer edge part 14a of the back surface 14 of the protective panel 11. Since it includes the joining portion 86 and the second rear joining portion 88 joined to the outer edge portion of the back surface of the holding frame 79 (the inner edge portion 87a of the back surface 87 of the front wall 80), the elastic member for the protective panel 11 and the holding frame 79 The bond strength of 12E can be very high. Therefore, durability, waterproofness, and dustproofness can be further improved.

  Moreover, according to the image display part protection panel holding structure Q1 shown to FIG. 9B, there can exist the same effect as the image display part protection panel unit 10E. Further, since the elastic member 12E of the image display unit protection panel unit 10E has a contact portion (rear contact portion 202a of the rear portion 202) that elastically contacts the holding member (case 320), the impact resistance is further improved. In addition, it is possible to improve waterproofness and dustproofness.

Next, FIG. 10 is a cross-sectional view of the main part of an image display unit protection panel unit 10F according to still another embodiment of the present invention. FIGS. 11A, 11B, and 11C are respectively the image display unit protection panel of FIG. It is sectional drawing of the principal part of image display part protection panel holding structure Q2, Q3, Q4 to which the unit 10F was applied.
Referring to FIG. 10, the image display unit protection panel unit 10F of the present embodiment is different from the image display unit protection panel unit 10E of the embodiment of FIG. 9A in that the elastic member 12F extends rearward from the rear part 202. It is the point which has the cyclic | annular extension convex part 250 provided. The extended convex portion 250 includes an annular side wall 251 extending from the rear portion 202 and an annular cross-sectional round portion 252 continuous with the tip of the side wall 251.

  The image display unit protection panel holding structure Q2 in FIG. 11A includes an image display unit protection panel unit 10F and a case 420 of the electronic device 1 as a holding member that holds the image display unit protection panel unit 10F. The front surface 421 of the case 420 is provided with a first annular convex portion 422 and a second annular convex portion 423 that protrude forward. The second annular convex portion 423 is disposed radially outward of the first annular convex portion 422. An annular groove 424 is defined between both annular protrusions 422 and 423.

  The elastic member 12 </ b> F is provided at the rear part of the extended convex part 250 (the rear part of the round-shaped part 252), and a rear contact part 253 that elastically contacts the groove bottom 424 a of the annular groove 424 and the extended convex part 250. An inner peripheral contact portion 254 that is provided on the inner periphery (the inner periphery of the round cross-section portion 252) and elastically contacts the side surface 422a of the first annular convex portion 422, and the outer periphery of the extended convex portion 250 (the circular cross-section portion) An outer peripheral contact portion 255 that elastically contacts the side surface 423a of the second annular convex portion 423.

According to the image display unit protection panel unit 10F of the present embodiment, the same operational effects as the image display unit protection panel unit 10E of the embodiment of FIG. 9A can be achieved.
In addition, according to the image display unit protection panel holding structure Q2 in FIG. 11A, the rear contact portion 253 provided at the rear portion of the extended convex portion 250 of the elastic member 12F is formed on the case 420 (the groove bottom 424a of the annular groove 424). Since it is in elastic contact, the impact from the front can be reduced and the protective panel 11 can be protected. In addition, the rear contact portion 253 can improve waterproofness and dustproofness.

  Further, the extended convex portion 250 of the elastic member 12F is provided with an inner peripheral contact portion 254 and an outer peripheral contact portion 255, and elastically contacts the case 420. Specifically, the inner peripheral contact portion 254 contacts the side surface 422a of the first annular convex portion 422, and the outer peripheral contact portion 255 contacts the side surface 423a of the second annular convex portion 423. Therefore, the impact from the side can be reduced and the protective panel 11 can be reliably protected. Further, the outer peripheral contact portion 255, the rear contact portion 253, and the inner peripheral contact portion 254 can achieve a multi-stage (three steps in this embodiment) seal, which can significantly improve waterproofness and dustproofness. it can.

  Next, the image display unit protection panel holding structure Q3 of the embodiment of FIG. 11B is different from the image display unit protection panel holding structure Q2 of the embodiment of FIG. 11A as follows. That is, in the embodiment of FIG. 11B, the case 520 as a holding member has a single annular convex portion 522 that projects from the front surface 521 thereof. The elastic member 12F is an inner peripheral contact that elastically contacts the rear contact portion 253 that elastically contacts the front surface 521 of the case 520 as a holding member and the side surface 522a of the annular convex portion 522 that protrudes from the front surface 521 of the case 520. Part 254 but no outer peripheral contact part.

Further, according to the image display unit protection panel holding structure Q3 of FIG. 11B, the back contact portion 253 of the elastic member 12F is elastically in contact with the front surface 521 of the case 520, as in the embodiment of FIG. 11A. The protective panel 11 can be protected by reducing the impact from the front. In addition, the rear contact portion 253 can improve waterproofness and dustproofness.
Further, the inner peripheral contact portion 254 provided on the extended convex portion 250 of the elastic member 12F is in elastic contact with the case 520 (the side surface 522a of the annular convex portion 522). Therefore, the impact from the side can be reduced and the protective panel 11 can be reliably protected. Further, the rear contact portion 253 and the inner peripheral contact portion 254 can achieve a multi-stage (two-stage) seal, and can significantly improve waterproofness and dustproofness.

  Next, the image display unit protection panel holding structure Q4 of FIG. 11C is different from the image display unit protection panel holding structure Q3 of the embodiment of FIG. 11B as follows. That is, the front surface 521 of the case 520A does not have an annular convex portion. The elastic member 12F has only a rear contact portion 253 that elastically contacts the front surface 521, and does not have an inner peripheral contact portion or an outer peripheral contact portion. According to the image display unit protection panel holding structure Q4 of the present embodiment, since the rear contact portion 253 of the elastic member 12F is elastically in contact with the front surface 521 of the case 520A, the impact from the front is reduced, The protection panel 11 can be protected. In addition, the rear contact portion 253 can improve waterproofness and dustproofness.

Next, FIG. 12 is a cross-sectional view of the main part of an image display unit protection panel unit 10G according to still another embodiment of the present invention. Each of FIGS. 13A, 13B, and 13C is the image display unit protection panel of FIG. It is sectional drawing of the principal part of image display part protection panel holding structure Q5, Q6, Q7 to which the unit 10G was applied.
With reference to FIG. 12, the image display unit protection panel unit 10G of the present embodiment is different from the image display unit protection panel unit 10F of the embodiment of FIG. 10 as follows. That is, the quadrangular annular extending convex portion 350 of the elastic member 12G includes a flat outer peripheral side surface 351, an inner peripheral side surface 353 having an annular curved convex portion 352 protruding radially inward, and a flat rear end surface 354. have.

  The image display unit protection panel holding structure Q5 of the embodiment of FIG. 13A includes the image display unit protection panel unit 10F of FIG. 12 and the same case 420 as the case 420 of FIG. 11A. In the present embodiment, the flat rear end surface 354 of the extended convex portion 350 of the elastic convex portion 12G elastically contacts the groove bottom 424a of the annular groove 424 of the case 420 to form a flat rear contact portion 355. Yes.

Further, a gap is formed between the outer peripheral side surface 351 of the extended convex portion 350 of the elastic member 12G and the side surface 423a of the second annular convex portion 423 of the case 420, and the configuration of the outer peripheral contact portion is abolished. . Further, the curved convex portion 352 of the extended convex portion 350 forms an inner peripheral contact portion 356 that elastically contacts the side surface 422 a of the first annular convex portion 422 of the case 420.
According to the image display unit protection panel unit 10G of FIG. 12, the same operational effects as the image display unit protection panel unit 10F of FIG. 10 can be obtained. Further, in the image display unit protection panel holding structure Q5 in FIG. 13A, the rear contact portion 355 provided at the rear portion of the extended convex portion 350 of the elastic member 12G is elastic to the case 420 (the groove bottom 424a of the annular groove 424). Therefore, the protection panel 11 can be protected by reducing the impact from the front. Further, the rear contact portion 355 can improve waterproofness and dustproofness. In particular, since the rear contact portion 355 is formed on the flat rear end surface 354, the sealing area can be increased and the waterproofness and dustproofness can be improved.

Further, the inner peripheral contact portion 356 of the extended convex portion 350 of the elastic member 12G is in contact with the side surface 422a of the first annular convex portion 422. Therefore, the impact from the side can be reduced and the protective panel 11 can be reliably protected. Further, the rear contact portion 355 and the inner peripheral contact portion 356 can achieve a multi-stage (two-stage) seal, and can significantly improve waterproofness and dustproofness.
In addition, since the second annular convex portion 423 of the case 420 has a labyrinth structure adjacent to the outer peripheral side surface 351 of the extended convex portion 350 of the elastic member 12G and the second receiving portion 204 of the elastic member 12G, Contributes to improvement.

Next, the image display unit protection panel holding structure Q6 of the embodiment of FIG. 13B includes the image display unit protection panel unit 10G of FIG. 12 and the same case 520 as the case 520 of FIG. 11A. In the present embodiment, except for the labyrinth action by the second annular convex portion 423, the same effects as the embodiment of FIG. 13A can be achieved.
Next, the image display unit protection panel holding structure Q7 in FIG. 13C includes the image display unit protection panel unit 10G in FIG. 12 and the same case 520A as the case 520A in FIG. 11C. Also in this embodiment, the same operational effects as in the embodiment of FIG. 11C can be achieved. Further, the flat rear contact portion 355 formed on the flat rear end face 354 can increase the sealing area and improve the waterproofness and dustproofness.

Next, FIG. 14 is a cross-sectional view of the main part of an image display unit protection panel unit 10H according to still another embodiment of the present invention. FIGS. 15A, 15B, 15C, and 15D are image displays of FIG. It is sectional drawing of the principal part of image display part protection panel holding structure Q8, Q9, Q10, Q11 to which the part protection panel unit 10H was applied.
Referring to FIG. 14, image display unit protection panel unit 10H is different from image display unit protection panel unit 10E of FIG. 9A in the following. That is, the elastic member 12H of the image display unit protection panel unit 10H has an annular extending convex portion 450 having a cross section bent in an angle shape. The extending convex portion 450 includes an annular side wall 451 extending rearward from the rear portion 202 and an annular flange 453 extending continuously outward from the rear end of the annular side wall 451 via the curved portion 452. A circular section 454 having an annular shape is formed at the outer end of the annular flange 453. The diameter of the cross section of the round section 454 is larger than the thickness of the annular flange 453.

  Referring to FIG. 15A, image display unit protection panel holding structure Q8 includes image display unit protection panel unit 10H in FIG. 14 and case 620 of electronic device 1 as a holding member for holding image display unit protection panel unit 10H. And. The front surface 621 of the case 620 includes a first annular protrusion 622 that protrudes obliquely inward and a second annular protrusion 623 that protrudes obliquely outward. The second annular convex portion 623 is disposed radially outward from the first annular convex portion 622. An annular groove 624 is defined between the first annular protrusion 622 and the second annular protrusion 623.

  A part of the rear portion (corresponding to the rear portion of the round section 454) of the extended protrusion 450 of the elastic member 12H elastically contacts the groove bottom 624a of the annular groove 624 to form the rear contact portion 455. . Further, a part of the curved portion 452 of the extended convex portion 450 is elastically contacted with the inclined side surface 622a (corresponding to one inner wall surface of the annular groove 624) of the first annular convex portion 622 to contact the inner circumference. A portion 456 is formed. In addition, a part of the outer edge of the round section 454 of the extended protrusion 450 elastically contacts the inclined side surface 623a of the second annular protrusion 623 (corresponding to the other inner wall surface of the annular groove 624). Thus, an outer peripheral contact portion 457 is formed.

  According to the image display unit protection panel unit 10H of the present embodiment, the same effects as the image display unit protection panel unit 9A of FIG. 9A can be achieved. In addition, according to the image display unit protection panel holding structure Q8 in FIG. 15A, the rear contact portion 455 provided at the rear portion of the extended protrusion 450 of the elastic member 12H (corresponding to the rear portion of the round section 454) Since 620 (groove bottom 624a of the annular groove 624) is elastically contacted, the impact from the front can be reduced and the protective panel 11 can be protected. Further, the rear contact portion 455 can improve waterproofness and dustproofness.

Also, the inner peripheral contact portion 456 of the extended convex portion 450 of the elastic member 12H contacts the side surface 622a of the first annular convex portion 622, and the outer peripheral contact portion 457 of the extended convex portion 450 is the second annular convex portion 623. In contact with the side surface 623a. Therefore, the impact from the side can be reduced and the protective panel 11 can be reliably protected.
In particular, since the inner peripheral contact portion 456 and the outer peripheral contact portion 457 are elastically in contact with the inclined side surfaces 622a and 623a of the corresponding annular convex portions 622 and 623, the inner peripheral contact portion 456 and the outer peripheral contact portion 457 are in contact with each other. As well as the impact from the side, the impact from the front loaded on the protective panel 11 can also be reduced. Also from this point, impact resistance is high.

Further, the outer peripheral contact portion 457, the rear contact portion 455, and the inner peripheral contact portion 456 can achieve a multi-stage (three steps in this embodiment) seal, which can significantly improve waterproofness and dustproofness. it can.
Next, the image display unit protection panel holding structure Q9 of the embodiment of FIG. 15B is different from the image display unit protection panel holding structure Q8 of FIG. 15A as follows. That is, the only annular convex part 722 equivalent to the 1st annular convex part 622 of FIG. 15A is provided in the front surface 723 of case 720 as a holding member. The elastic member 12H includes a rear contact portion 455 that elastically contacts the front surface 723 of the case 720, and an inner peripheral contact portion 456 that elastically contacts the inclined side surface 722a of the annular convex portion 722. It does not have an outer peripheral contact part.

Further, according to the image display unit protection panel holding structure Q9 of FIG. 15B, the back contact portion 455 of the elastic member 12H is in elastic contact with the front surface 723 of the case 720, as in the embodiment of FIG. 15A. The protective panel 11 can be protected by reducing the impact from the front. Further, the rear contact portion 455 can improve waterproofness and dustproofness.
Further, the inner peripheral contact portion 456 provided on the extended convex portion 450 of the elastic member 12F is in elastic contact with the case 720 (the side surface 722a of the annular convex portion 722). Therefore, the impact from the side can be reduced and the protective panel 11 can be reliably protected. Further, the rear contact portion 455 and the inner peripheral contact portion 456 can achieve a multi-stage (two-stage) seal, and can significantly improve waterproofness and dustproofness.

  Next, the image display unit protection panel holding structure Q10 in FIG. 15C is different from the image display unit protection panel holding structure Q8 in FIG. 15A as follows. That is, in the case 620B of the image display unit protection panel holding structure Q10, the side surface 622b of the first annular protrusion 622, the groove bottom 624a of the annular groove 624, and the second annular protrusion 623 corresponding to the inner surface of the annular groove 624. Side surface 623b is formed in a continuous concave curved surface shape. Also in this embodiment, the same operational effects as the embodiment of FIG. 15A can be obtained.

  Next, the image display unit protection panel holding structure Q11 in FIG. 15D is different from the image display unit protection panel holding structure Q8 in FIG. 15A as follows. That is, the front surface 621 of the case 620C does not have an annular convex portion. The elastic member 12H has only a rear contact portion 455 that elastically contacts the front surface 621, and does not have an inner peripheral contact portion or an outer peripheral contact portion. According to the present embodiment, since the rear contact portion 455 of the elastic member 12H is in elastic contact with the front surface 621 of the case 620C, the impact from the front can be reduced and the protection panel 11 can be protected. . Further, the rear contact portion 455 can improve waterproofness and dustproofness.

The present invention is not limited to the above-described embodiment. For example, the electronic device 1 is a mobile computer such as a mobile phone, a personal digital assistant, a tablet personal computer, a digital camera, a video camera, an electronic book, a game machine, a car Any touch panel electronic device such as navigation may be used.
In each of the above embodiments, the protection panel 11 may or may not be provided with the colored portion 17. When the colored portion 17 is provided on the protective panel 11, the elastic member may be bonded only to the colored portion 17 by a chemical bond while avoiding the transparent portion 16.

DESCRIPTION OF SYMBOLS 1 ... Electronic device 2 ... Case (holding member)
DESCRIPTION OF SYMBOLS 3 ... Image display part 4 Touch panel apparatus 10; 10A; 10B; 10C; 10D; 10E; 10F; 10G; 10H ... Image display part protection panel unit 11 ... Protection panel 11a ... Outer edge part 12 (of protection panel); 12A; 12B 12C; 12D; 12E; 12F; 12G; 12H ... elastic member 12A1; 12B1; 12C1; 12D1 ... front part 12A2; 12B2; 12C2; 12D2 ... rear part 12A3; 12B3; (Front surface) outer edge portion 14 (protective panel) back surface 14a ... (back surface) outer peripheral edge portion 15 (protective panel) outer peripheral side surface 16 ... transparent portion 17 ... colored portion 20 ... inner peripheral joint Part 21 ... Front cover part 21a ... Front joint part 22 ... Rear contact part 23 ... Peripheral contact part 24 ... Rear cover part 24a ... Rear joint part 60 ... Holding frame 6 DESCRIPTION OF SYMBOLS 1 ... 1st holding frame 62; 62A; 62B ... 2nd holding frame 65 ... 1st convex part 68 ... 2nd convex part 69; 69A; 69B ... Holding frame 73 ... 1st convex part 74 ... 2nd convex part 75 ... Holding frame 78 ... annular recess 79 ... holding frame 83 ... inner peripheral joint 85 ... outer peripheral joint 86 ... first rear joint 88 ... second rear joint 91a; 91b; 91c; 91d; 91e ... front contact 92a; 92b; 92c; 92d; 92e ... rear contact portion 93; 93d ... outer peripheral contact portion 201 ... front portion 202 ... rear portion 202a ... rear contact portion 250 ... extended convex portion 252 ... round section 253 ... rear contact portion 254 ... within Peripheral contact part 255 ... outer peripheral contact part 320 ... case (holding member)
322 ... annular convex part 323 ... top part 350 ... extended convex part 355 ... rear contact part 356 ... inner peripheral contact part 420 ... case (holding member)
422 ... 1st annular convex part 423 ... 2nd annular convex part 424 ... annular groove 450 ... extended convex part 451 ... side wall 452 ... curved part 453 ... annular flange 454 ... cross section round part 455 ... back contact part 456 ... inner circumference Contact portion 457 ... outer peripheral contact portion 520; 520A ... case (holding member)
522 ... annular convex part 620; 620B; 620C ... case (holding member)
622 ... 1st annular convex part 623 ... 2nd annular convex part 624 ... annular groove 720 ... case (holding member)
722 ... annular projections P1 to P12 ... image display part protection panel holding structure Q1 to Q11 ... image display part protection panel holding structure

Claims (15)

A protective panel for the image display unit including a glass plate disposed in front of the image display unit of the electronic device;
An annular elastic member surrounding the outer edge of the protective panel,
The protective panel includes a front surface as an operation surface, a back surface facing the surface, and an outer peripheral side surface connecting the front surface and the back surface,
The said elastic member is an image display part protection panel unit containing the inner periphery junction part joined by the chemical bond to the said outer peripheral side surface of the said protection panel.   The image display unit protection panel unit according to claim 1, wherein the elastic member includes rubber formed by inserting the protection panel. The image display unit protection panel unit according to claim 1 or 2,
An annular resin holding frame surrounding the outer edge of the elastic member;
The said elastic member is an image display part protection panel unit containing the outer periphery junction part joined by the chemical bond to the inner periphery of the said holding frame. In the image display part protection panel unit according to claim 3,
The elastic member includes a front portion in which the inner peripheral joint portion and the outer peripheral joint portion are formed, and a rear portion.
The rear part includes an image display part protection panel unit including a first rear joint part joined to an outer edge part of the back surface of the protection panel and a second rear joint part joined to an inner edge part of the rear surface of the holding frame. .   5. The image display unit protection panel unit according to claim 3, wherein the elastic member includes rubber formed by inserting the protection panel and the holding frame. The image display unit protection panel unit according to claim 1 or 2,
An annular resin holding frame that holds the protection panel of the image display unit protection panel unit;
The said elastic member is an image display part protection panel holding structure containing the inner periphery junction part joined to the said outer peripheral side surface of the said protection panel, and the cyclic | annular contact part which contacts the said holding frame elastically. The image display unit protection panel holding structure according to claim 6,
The elastic member includes a front part, a rear part, and an outer peripheral side part,
The image display unit protection panel holding structure, wherein the contact portion of the elastic member includes a rear contact portion provided at the rear portion of the elastic member. In the image display part protection panel holding structure according to claim 7,
The image display unit protection panel holding structure, wherein the contact portion of the elastic member includes a front contact portion provided at the front portion of the elastic member. The image display unit protection panel holding structure according to claim 8,
The holding frame includes: an annular first convex portion that elastically dents the front contact portion of the elastic member; and an annular second convex portion that elastically dents the rear contact portion of the elastic member. Including
The image display part protection panel holding structure in which the first convex part and the second convex part elastically hold the elastic member. The image display unit protection panel unit according to any one of claims 3 to 5,
A holding member disposed behind the elastic member of the image display unit protection panel unit,
The elastic member has an image display unit protection panel holding structure including a contact portion that elastically contacts the holding member. In the image display part protection panel holding structure according to claim 10,
Including an annular extending protrusion protruding rearward of the elastic member;
The contact portion is an image display portion protection panel holding structure provided on the extended convex portion. In the image display part protection panel holding structure according to claim 11,
The image display unit protection panel holding structure, wherein the contact part includes a rear contact part provided at a rear part of the extended convex part. The image display unit protection panel holding structure according to claim 12,
The contact portion includes at least one of an inner peripheral contact portion provided on the inner periphery of the extended convex portion and an outer peripheral contact portion provided on the outer periphery of the extended convex portion. Construction. The image display unit protection panel unit according to claim 1 or 2,
The protective panel includes a non-transparent annular colored portion disposed on the outer edge of the protective panel, and a transparent portion surrounded by the colored portion,
The said elastic member is an image display part protection panel unit joined to the said colored part by the chemical bond avoiding the said transparent part. In the image display part protection panel unit according to any one of claims 1, 2, or 14,
The elastic member includes a front cover portion that covers the outer edge portion of the surface of the protective panel,
The front cover portion includes a front joint portion joined by chemical bonding to an outer edge portion of the surface of the protective panel;
The image display part protection panel unit which can visually recognize the said inner periphery junction part through the said front cover part.

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