JP4849949B2 - Display holding part, portable electronic device, and method of assembling display holding part - Google Patents

Description

  The present invention relates to a display holding part, a portable electronic device, and a method for assembling the display holding part, and in particular, a display holding part for preventing dust from adhering to the display and holding the display, and the display The present invention relates to a portable electronic device in which a display is mounted by a holding component, and a method for assembling the display holding component.

  Conventionally, a display holding component for holding a display of a portable electronic device is known. Some mobile phone devices that are portable electronic devices include, for example, a main display and a sub display, and the sub display is directly attached to the inner surface of the outer case of the housing. In order to prevent dust and the like from adhering to the display surface of the sub display, the sub display is attached to the housing via a sheet formed of an elastic member such as a sponge.

In other words, for example, by sticking a sheet on the housing side that contacts a sub-display composed of a liquid crystal display (Liquid Crystal Display: LCD) and filling a gap generated between the sub-display and the housing, Dust and the like are prevented from entering the display surface of the sub display.
In addition, the sub-display is fixed to the housing, for example, by holding the sub-display so as to surround the periphery of the glass surface forming the display surface of the sub-display, for example, via a plastic holder, That is, the plastic holder holding the sub display is fixed to the housing.

For example, there is “LCD display mounting structure” (see Patent Document 1) for mounting a display on a housing using such a holder holding the display.
JP 09-283950 A

However, in the structure in which the conventional display is mounted, in addition to the plastic holder that holds the display, another member for protecting the display surface of the display when an impact or the like is applied (for example, a sheet made of an elastic member) Etc.) is necessary, and it was inevitable that the cost would increase.
An object of the present invention is to provide a display holding component and a portable electronic device that can have both a function of protecting a display surface of a display and a function of holding a display without requiring a separate member that causes an increase in cost. It is to be.

To achieve the above object, the display device retaining component according to the present invention, the display holding component for holding a display, forming an opening to expose the display surface to cover the periphery of the display to be held to that retaining wall, a frame portion having a locking fixing portion for engaging with a fixed portion, which is formed separated from the frame portion except a base continuous to the frame portion, the back surface of the holding wall wherein a gap for holding the display unit and a oppositely disposed rear holding portion to said opening, the rear holding portion and integrally formed with the frame portion by the elastic member between, opposite to said base The side to be bent is a free end that is bent with the base portion as a fulcrum and is separated from the holding wall, so that the indicator can be inserted into the gap from the free end side. Inserted between the holding wall and the rear holding part The Mukoto, is characterized in that housing holds the indicator in the gap.

Further, the present invention, one end of the rear holding portion is preferably characterized by Rukoto to have a shape located within said opening.
Further, the present invention is characterized in that the thickness of the back surface holding portion in the vicinity of the connecting portion that connects the back surface holding portion and the frame portion is formed thinner than other portions of the back surface holding portion. It is preferable.
According to another aspect of the present invention, there is provided a portable electronic device having a display holding part holding a display, a housing having the display holding part fixed to the inside, and a window part through which the display surface of the display can be visually recognized from the outside. It is characterized by having a body.
Further, according to the present invention, the display device includes an external wiring connection portion to which an external wiring for conducting power supply and display signal conduction is connected to the display device, and the frame portion covers the external wiring connection portion. It is preferable to have a cover part.
In the invention, it is preferable that the display is a self-luminous element type display or a display provided with a backlight.

  According to the present invention, it is possible to combine the function of protecting the display surface of the display device and the function of holding the display device without requiring a separate member that causes an increase in cost.

The best mode for carrying out the present invention will be described below with reference to the drawings.
1A and 1B show a holder according to an embodiment of the present invention, in which FIG. 1A is a front perspective view and FIG. 1B is a rear perspective view. 2A and 2B show the holder of FIG. 1A in detail, where FIG. 2A is a cross-sectional view taken along the line AA, and FIG. 2B is a cross-sectional view taken along the line BB.
As shown in FIGS. 1 and 2, the holder (display holding component) 10 is formed of a rectangular frame body having a rectangular opening 12 surrounded by a frame portion 11, and is made of an elastic material such as rubber, sponge, or soft resin. It is formed by integrally molding the members. The holder 10 incorporates and holds a thin plate display 18 (see FIG. 3) described later.

  The frame portion 11 has a thickness (front and back surface width) corresponding to at least the thickness (thickness) of the display 18, and on the front surface 11 a (second surface) side, one long side portion has a cover portion. 13 (see FIG. 1A) is the other long side portion and both short side portions are holding walls 14 (see FIG. 1A), and the back surface 11b (first surface) side is the other long side. Each side has a tongue (back holding portion) 15 (see FIG. 1B). That is, the frame part 11 has the holding wall 14 in which the opening 12 that covers the peripheral part of the display 18 to be held and exposes the display surface 18a is formed. Further, the frame portion 11 is formed to have a wall-like side wall 11c surrounding the outer periphery of the back surface 11b indicator 18, and the central portion of the side wall on the back surface side of the cover portion 13 is cut to position the wiring member. It is missing (see FIG. 1 (b)).

  The opening 12 has an opening shape that can expose the display surface 18a of the display 18 and that corresponds to the shape of the display surface 18a. The cover portion 13 is formed in a thin plate shape having a wide width that can cover an external wiring connection portion 19 to be described later (see FIG. 1). The holding wall 14 is continuous with the cover portion 13 and is formed in an inward flange shape with respect to the side wall 11c of the frame portion 11 (see FIGS. 1 and 2).

  The tongue portion 15 has a rectangular shape that extends from the other long side portion and has a tip that reaches the vicinity of the cover portion 13, and is provided on one long side portion (that is, the cover portion 13) side and both short side portion sides. Three sides are separated from the frame 11 and separated (see FIGS. 1 and 2). Further, a portion of the tongue portion 15 other than the other long side portion H so that the other long side portion H of the frame portion 11 serving as a connecting portion between the tongue portion 15 and the frame portion 11 is easily bent with respect to the frame portion 11. Compared to FIG. 1, it is formed in a thin state (see FIGS. 1 and 2).

That is, the tongue portion 15 is formed continuously with a connecting portion that is continuous with a part of the side wall 11c of the frame portion 11, and is separated from the frame portion 11 except for this connecting portion, and the opening peripheral portion (the holding wall 14). ) With a gap that can hold the display device, facing the first surface of the frame 11 and having a shape located within the range of the opening 12. It is located on the back side of the surface 18a. For this reason, the other long side H is the base 15a, the one long side becomes the free end 15b, the base 15a is bent around the fulcrum, and the free end 15b can be freely displaced to the front surface 11a side and the back surface 11b side. it can.
As described above, the frame portion 11 covers the display surface 18a side peripheral portion of the display 18 held by the holding wall 14 and forms the opening 12 that exposes the display surface 18a. The front surface 11a side and the back surface 11b are formed. The indicator 18 can be stored and held so as to be sandwiched between the sides, that is, in the gap between the cover portion 13 and the holding wall 14 and the tongue portion 15.

  Further, the holder 10 is formed on the surface 11a side of the frame portion 11 over the entire circumference so as to surround the opening 12, and is arranged in a double space with a predetermined interval (first protrusion). Article 16) and protrusion (second protrusion) 16b are provided. The two ridges 16a and 16b are each formed into a thin thread-like rib shape made of an elastic member and projecting toward the indicator viewing direction of the frame portion 11. The frame portion 11 includes two spaced apart portions on the other long side portion (that is, the base portion 15a side of the tongue portion 15), and two ends on one long side portion (that is, the cover portion 13) side end of each short side portion. Claw receiving portions (locking fixing portions) 17 are provided at a total of four locations. Each claw receiving portion 17 is formed in a long hole shape along each side opened to the back surface 11b side (see FIG. 1B).

  The holder 10 can be formed by, for example, mold molding. However, since the number of locations serving as undercut portions is reduced as much as possible, productivity can be improved. In other words, in the holder 10, only the base portion 15 a of the tongue portion 15 is the undercut portion when molding, and one long side portion of the tongue portion 15 (that is, the cover 15) in which the holding wall 14 is formed. The three sides of the portion 13) side and both short side portions are spaces on the back surface 11b side (see FIGS. 1 and 2).

Further, since the tongue portion 15 is located within the range of the opening 12, a punching structure can be easily formed when designing the mold of the holder 10. Further, the separation distance of the frame portion 11 cut out on the back surface side of the cover portion 13 is formed substantially the same as the lateral width of the tongue portion 15 (the width of the free end 15b side) (see FIG. 1B). This is effective in designing the mold of the holder 10. Furthermore, since the frame portion 11 has an L-shaped cross-sectional shape in which the tongue portion 15 is not formed only having the holding wall 14 (see FIG. 2), the frame portion 11 is removed when designing the mold of the holder 10. The structure can be easily formed.
In addition, after the holder 10 holding the indicator 18 is connected to the frame portion 11 at the base portion 15a and has the tongue portion 15 separated from the frame portion 11 except for the base portion 15a, the holder 10 is molded by a mold, The holder 10 can be removed from the mold by turning the tongue 15.

  3A and 3B show the display device held by the holder of FIG. 1, wherein FIG. 3A is a front view and FIG. 3B is a perspective view. As shown in FIG. 3, the display 18 held by the holder 10 includes a liquid crystal display (LCD), an organic light emitting diode (OLED), or the like. On one long side of the display 18, an external wiring connection portion 19 for supplying power and conducting signals to the display 18 is formed. The external wiring connection portion 19 has a flexible printed wiring board (Flexible Printed). Circuit (FPC) 20 is connected. The external wiring connection portion 19 has a rectangular shape formed by extending the outline (short side) of the display surface 18a. As the display 18, a self-luminous element type display (OLED or the like) or a display (LCD or the like) provided with a backlight is used.

4 shows a state in which the display of FIG. 3 is mounted on the holder of FIG. 1, wherein (a) is a front perspective view and (b) is a rear perspective view. As shown in FIG. 4, when the indicator 18 is attached to the holder 10 (see (a)), the tongue 15 of the holder 10 turned upside down is turned up (see the arrow (b)), and the state is changed. While holding, the display 18 is turned upside down and the side to which the FPC 20 is not attached is directed forward from the cover portion 13 side to the lower portion of the tongue portion 15 (see (b) white arrow).
The inserted indicator 18 is fitted into the frame portion 11 so as to close the opening 12 from above the opening 12, and is incorporated into the frame portion 11 (see (b)). When the holding of the tongue portion 15 is released after the display device 18 is incorporated into the frame portion 11, the tongue portion 15 made of an elastic member immediately returns to the original state and comes into contact with the back surface 18 b of the display device 18. . In this way, the display 18 can be easily attached to the holder 10.

  FIG. 5 is an explanatory diagram of the cross section of FIG. As shown in FIG. 5, the indicator 18 attached to the holder 10 has the display surface 18 a side in contact with the cover portion 13 and the holding wall 14, and the back surface 18 b side in contact with the tongue portion 15. 13 and the holding wall 14 and the tongue 15 are sandwiched from both the front and back surfaces. In this state, the display 18 exposes the entire area of the display surface 18a from the opening 12 (see FIG. 4A), and substantially the entire area of the back surface 18b is covered with the tongue 15 (see FIG. 4B). .

6 is a perspective view of a portable electronic device to which a holder holding the display of FIG. 1 is attached. FIG. 7 is an exploded configuration diagram of the portable electronic device of FIG. As shown in FIG. 6, a mobile phone device 21 that is a portable electronic device includes a first casing (upper casing) 22 and a second casing (lower casing) 23 that are described later with a hinge portion 31 (see FIG. 7). ), And the first casing 22 and the second casing 23 have a folding structure that rotates in a direction in which the first casing 22 and the second casing 23 approach and separate from each other about the hinge 31.
The cellular phone device 21 is incorporated in a main display (second display) 24 (see FIG. 7) disposed on the inner surface side of the first housing 22 and the holder 10 described above disposed on the outer surface side. Two sub-displays comprising a display 18 held (see FIG. 3) are provided.

As shown in FIG. 7, the first casing 22 is mounted with a lower case 25 to which the main display 24 is mounted, a reinforcing sheet metal (sheet metal part) 26, a main board 27, and a holder 10 that holds the sub display 18. The upper case 28 and a decorative panel (decorating plate) 29 are assembled, and these members are assembled in the described order. The lower case 25 is provided with a hinge portion 31 incorporating an SOB (System On Board) substrate (not shown).
The reinforcing sheet metal 26 formed by press molding reinforces the thin main display 24 and also serves as a countermeasure against static electricity of the display, and is a claw (locking) for attaching and fixing the frame portion 11 of the holder 10. Means) It has four 26a. The claw 26a is formed without being provided with a separate part by, for example, cutting and raising from the sheet metal, and is inserted into and locked to the claw receiving portions 17 (see FIG. 1B) provided at four locations on the frame portion 11.

The main board 27 is formed with a device for driving the main display 24 and the like (not shown), and the decorative panel 29 attached to the outer surface of the upper case 28 and the upper case 28 has a display of the sub display 18. Openings 28a and 29a for exposing the surface 18a are opened. A wind panel 32 made of a transparent member such as acrylic resin is attached to the opening 29a of the decorative panel 29.
The second housing 23 includes a battery case 33 that covers the lower case 34 after a driving battery (not shown) is attached, a lower case 34 to which a substrate or the like (not shown) is attached, and operation keys (not shown). No) is mounted, and these members are assembled in the order described. The lower case 34 and the upper case 35 have hinge receiving portions 34a and 35a to which the hinge portion 31 is attached.

  FIG. 8 is an exploded configuration diagram of the first housing after the auxiliary sheet metal is mounted. As shown in FIG. 8, after attaching the main indicator 24 with the auxiliary sheet metal 26 attached to the lower case 25, the sub indicator 18 is attached to the holder 10 to assist the holder 10 holding the sub indicator 18. Attach to sheet metal 26. After the holder 10 is attached to the auxiliary sheet metal 26, the main board 27 is disposed on the auxiliary sheet metal 26. The FPC 20 of the sub display 18 exposed from the holder 10 is connected to the connector 27 a of the main board 27. Power supply and signal conduction are performed from the main board 27 to the sub display 18 via the FPC 20.

After the main board 27 is disposed, the upper case 28 is attached to the lower case 25 so as to cover the main board 27, the holder 10 holding the sub display 18, and the auxiliary sheet metal 26. A decorative panel 29 is attached to the outer surface of the upper case 28, and the display of the sub-display 18 exposed from the opening 28 a of the upper case 28 by a transparent wind panel 32 fitted into the opening 29 a of the decorative panel 29. The surface 18a is covered.
9A and 9B illustrate mounting of the holder. FIG. 9A is a perspective view before attaching the holder, and FIG. 9B is a perspective view after attaching the holder. As shown in FIG. 9, the reinforcing sheet metal 26 incorporated in the lower case 25 of the first housing 22 together with the main board 27 has four claws from the space for arranging the holder 10 provided on the main board 27. 26a is exposed (see (a)).

Four claw receiving portions 17 of the frame portion 11 are respectively positioned on the four claws 26 a, the holder 10 is placed on the reinforcing sheet metal 26, and the claw 26 a is lightly press-fitted into the claw receiving portion 17. Put it in a state. The length (height) of the claw 26 a is configured to be slightly shorter than the depth of the claw receiving portion 17, and the claw 26 a is positioned in the claw receiving portion 17 without penetrating the claw receiving portion 17. Thereby, the holder 10 holding the sub-display 18 is positioned and fixed to the reinforcing sheet metal 26, and is mounted on the lower case 25 with the display surface 18a facing upward (see (b)).
That is, the reinforcing sheet metal 26 disposed on the back side of the display surface of the main display 24 is protruded in the direction toward the back side of the display surface to form the claw 26a, and the claw 26a is engaged with the claw receiving portion 17, The holder 10 is fixed to the reinforcing sheet metal 26.

  10A and 10B show a case mounting state of the holder holding the display, where FIG. 10A is a perspective sectional view and FIG. 10B is an enlarged sectional view. As shown in FIG. 10, the holder 10 holding the sub-display 18 is incorporated in the upper case 28 of the first housing 22 with the tongue portion 15 in contact with the reinforcing sheet metal 26 ((a), (b The display surface 18a of the sub-display 18 exposed from the opening 28a of the upper case 28 is covered with the wind panel 32. Thus, the sub-display 18 is incorporated in a state surrounded by the cushioning material called the holder 10 with respect to all directions of the display surface, its back surface, and further the side surfaces, and is strong against impacts in all directions. can do.

  FIG. 11 is a perspective view of the upper case of the first housing as viewed from the inner surface side. As shown in FIG. 11, a wind panel 32 is attached to the upper case 28 of the first housing 22 in the opening 28a. The upper case 28 is attached to the lower case 25 so that the window panel 32 covers the display surface 18a of the sub display 18. By attaching the upper case 28 to the lower case 25, the frame portion 11 of the holder 10 is pressed against the inner surface N around the opening 28 a of the upper case 28, and the frame portion 11 displays the display of the sub display 18. The surface 18a is sealed with no gap between the inner surface of the upper case 28. Therefore, the holder 10 can prevent dust from entering between the inner surface of the upper case 28 and the sub-display 18 and prevent the dust from adhering to the display surface 18a. In particular, the inner surface N of the periphery of the opening 28a to which the holder 10 is pressure-bonded is configured to be a flat surface without unevenness, and the sealing performance is enhanced.

  As described above, the display 18 held by the holder 10 includes a step of attaching and holding the display 18 to the holder 10 made of an elastic member that is sandwiched from both the front and back sides of the display 18 and a holder for holding the display 18. 10 is positioned and fixed to the reinforcing sheet metal 26 that is a casing component located on the back surface 18b side of the display 18, and the holder 10 that is positioned and fixed on the back surface 18b side of the display 18 is displayed on the display surface of the display 18. It is assembled to the mobile phone device 21 which is a portable electronic device through a process of incorporating into the upper case 28 which is a casing component located on the side of 18a from the inner surface side of the upper case 28 in a state of being brought into contact with the upper case 28. .

  As described above, since the sub-display 18 can be mounted only by the holder 10 made of an elastic member such as rubber without using a sheet of sponge or the like attached to the housing side of the conventional display, A display mounting structure having an effect can be obtained. In other words, in addition to the plastic holder that holds the display, a separate member for protecting the glass surface of the display (for example, a sheet made of an elastic member) is required, as in the conventional structure for holding the display. There is no.

  Further, since the holder 10 has a tongue structure with the tongue portion 15 made of an elastic member, the sub-display 18 can be easily and easily mounted on the holder 10, and the number of steps for assembling the sub-display 18 is reduced. In addition, the undercut portion can be reduced as much as possible to improve productivity. Further, the sub-display 18 has a display surface 18a made of a glass plate due to dropping or the like because substantially the entire circumference including the display surface 18a side, the back surface 18b side, and the side surface is covered with an elastic member such as rubber. Even when an impact is applied to the sub-display 18, the impact can be effectively absorbed.

Further, by covering the substantially entire circumference of the sub-display 18 with the holder 10, illumination light such as self-light emission or backlight leaks from other than the opening for the display surface, and the amount of light on the display surface falls. This makes it possible to prevent the display surface from becoming uniform. Conversely, it is possible to prevent other illumination light such as a main display from entering.
In the above embodiment, the holder 10 shows an example of holding the sub-display 18 of the mobile phone device. However, the present invention is not limited to this. Needless to say, the present invention may be implemented in other portable electronic devices such as a PDA, portable game machine, navigation, and electronic dictionary.

The holder which concerns on one embodiment of this invention is shown, (a) is a perspective view of the surface side, (b) is a perspective view of the back side. The holder of FIG. 1A is shown in detail, (a) is sectional drawing which follows the AA line, (b) is sectional drawing which follows the BB line. The indicator hold | maintained at the holder of FIG. 1 is shown, (a) is a front view, (b) is a perspective view. The state which mounted | wore the holder of FIG. 1 with the indicator of FIG. 3 is shown, (a) is a perspective view of the surface side, (b) is a perspective view of the back side. It is explanatory drawing by the cross section of Fig.4 (a). It is a perspective view of the portable electronic device with which the holder holding the display of FIG. 1 is mounted | worn. It is a disassembled block diagram of the portable electronic device of FIG. It is a disassembled block diagram of the 1st housing | casing after auxiliary sheet metal mounting | wearing. The mounting of the holder will be described, (a) is a perspective view before attaching the holder, and (b) is a perspective view after attaching the holder. The case mounting state of the holder holding the display is shown, (a) is a perspective sectional view, (b) is an enlarged sectional view. It is the perspective view which looked at the upper case of the 1st case from the inner surface side.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Holder 11 Frame part 11a Front surface 11b Back surface 12 Opening 13 Cover part 14 Holding wall 15 Tongue part 15a Base part 15b Free end 16a, 16b Projection 17 Claw receiving part 18 Display 18a Display surface 18b Back surface 19 External wiring connection part 20 FPC
DESCRIPTION OF SYMBOLS 21 Mobile telephone apparatus 22 1st housing | casing 23 2nd housing | casing 24 Main display 25 Lower case 26 Reinforcement metal plate 26a Claw 27 Main board 28 Upper case 28a, 29a Opening 29 Cosmetic panel 31 Hinge part 32 Wind panel 33 Battery case 34a, 35a Hinge receiving part 34 Lower case 35 Upper case

Claims (6)

In the display holding parts for holding the display,
Retaining walls that form a opening for exposing the display surface to cover the periphery of the display to be held, a frame portion having a locking fixing portion for engaging with the fixed portion,
Disconnected from the frame portion except a base continuous to the frame portion is formed, and a rear holding portion of the indicator is arranged opposite to the opening with a gap held between the back surface of the holding wall equipped with a,
The rear holding portion and integrally formed with the frame portion by the elastic member, the side facing the base, as a free end spaced apart and the holding wall while freely displaced by bending the base portion as a fulcrum, The indicator can be inserted into the gap from the free end side ,
A display-holding component that stores and holds the display in the space by inserting the display into the space and sandwiching the display between the holding wall and the back surface holding portion . One end of the rear holding portion, a display holding component according to claim 1, characterized in that it has a shape located within said opening. To claim 1 or 2, characterized in that the thickness of the rear holding portion of the connecting portion near connecting the said frame portion and the rear holding portion is formed to be thinner than in the rest of the back surface holding portion Display holding parts as described. The indicator holding component according to any one of claims 1 to 3 , wherein the indicator is held;
A portable electronic device comprising: a housing having a window part that allows the display holding part to be fixed inside and a display surface of the display to be visually recognized from the outside. The display device has an external wiring connection portion to which external wiring for conducting power supply and display signal conduction to the display device is connected, and the frame portion has a cover portion that covers the external wiring connection portion. The portable electronic device according to claim 4 , wherein The indicator, portable electronic device according to claim 4 or 5, characterized in that a display equipped with a display or backlight of the self-luminous element type.

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