JP2002072908A - Lcd fixing structure and electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an LCD fixing structure and an electronic device which permits the positioning of attachment by using a simple structure, therefore, is not complicated in the structure of thereof and does not increase in the thickness thereof. SOLUTION: This LCD fixing structure for storing an LCD panel 4 in a holder 3 which is rectangular and has a bottom is constituted in such a manner that the height of surrounding wall surfaces of the holder 3 is approximately uniform with the height of the LCD panel 4, at least one of the wall surfaces is provided with a panel pressing part 3A which has the height on the same order or lower compared with the wall surface, the panel pressing part 3A is abutted on the side surface 4L of the LCD panel 4 and presses the LCD panel 4 in the direction of the inner wall surface (3Nx or 6Nx) of holder side which is confronted with the panel pressing part 3A and, thereby, the inner wall surface (3Nx or 6Nx) of holder side and the side surface 4N of the LCD panel are matched in a plane and positioned.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device having an LCD (Liquid Crystal Display) such as a portable telephone, a portable wireless device, an information terminal device, a portable personal computer, and various mobile communication terminals. Relates to a positioning structure for an LCD panel (liquid crystal plate) and its holder (panel fixing frame).

[0002]

2. Description of the Related Art FIG. 1 shows an LCD fixing structure and an electronic device according to the present invention. In FIG. 1, a mobile phone as an electronic device is taken as an example, and a device main body 1 (upper case) of the mobile phone includes a display window 2 of an LCD.
It has a built-in LCD (liquid crystal display) fixing structure. The rectangular and bottomed LCD panel 4 is a holder 3
And is fixed on the bottom surface of the holder 3 by an adhesive such as a double-sided tape or an adhesive such as an adhesive. The holder 3 has a speaker section 7 protruding from the outer wall surface.

FIGS. 5 and 6 are cross-sectional views of a main part of a conventional LCD fixing structure. As shown in FIG. 1, these figures are views in which a cross section is taken in a longitudinal vertical direction of the apparatus main body 1, and an LCD fixing structure including a panel pressing portion 3 </ b> A is shown as a cross section A. In FIG. 5, main components are an LCD panel 4, a holder 3, and an adhesive 5.
Is the bottom surface 3 of the bottom 3P of the holder 3 via the adhesive 5
It is fixed and attached to Px, where it is fixed in position. However, both sides of the LCD panel 4 and the holder 3 cannot be brought into close contact with each other from the beginning due to design reasons, so some clearance is taken. When the operator attaches the LCD panel 4 to the holder 3, the positioning is not particularly set. Therefore, the inner wall surfaces 3 Lx and L L of the wall surface 3 L of the holder 3 are not set.
A gap may be generated between the side surface 4L of the CD panel 4 and the inner wall surface 3Nx of the wall surface 3N of the holder 3 and the side surface 4N of the LCD panel 4 at the opposite end.
Gaps may occur.

FIG. 6 is basically the same as FIG. 5 except that a protruding portion 3 for holding and holding the LCD panel 4 is continuous with the inner wall surface 3Lx of the wall surface 3L of the holder 3.
L 'is newly provided. The LCD panel 4 includes
Since this is set by being sandwiched between L ′ and the bottom surface 3Px of the bottom portion 3P, when this operator mounts the LCD panel 4, the position of the LCD panel 4 is stable and does not shift, so that the mounting workability is improved. I do. However, since the projecting portion 3L 'projects from the wall 3L of the holder 3,
Since the thickness of the holder 3 partially increases, the structure of the entire electronic device may be complicated or may affect the thickness of the device.

[0005]

As described above, the conventional L
In the CD fixing structure and the electronic device, there are the following problems to be solved. When mounting the LCD panel 4 to the holder 3, since accurate positioning settings have not yet been established, there are uneven and unstable factors such as unevenness depending on the operator. In the case where the protruding portion 3L 'is provided, although the mounting work is stable, the thickness increases as much as the protruding portion when viewed as a fixed structure. It leads to increase, weight and cost.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the conventional device, and has a simple structure, is highly effective in mounting and positioning, does not complicate the structure of the device, and has a simple structure. An object of the present invention is to provide an excellent LCD fixing structure and an electronic device without increasing the thickness.

[0007]

In order to solve the above-mentioned problems, an apparatus case and an electronic device according to the present invention employ the following means. Note that the reference numerals correspond to those in the drawings. (1) An LCD fixing structure for accommodating the LCD panel 4 in a rectangular and bottomed holder 3, wherein the height of the wall surface (3L, 3N, etc.) of the holder 3 is substantially equal to the height of the LCD panel 4. At least one of these wall surfaces is provided with a panel pressing portion 3A having a height approximately equal to or lower than the height of the wall surface, and the panel pressing portion 3A is provided with an LCD.
The LCD panel 4 is pressed against the side wall 4L of the panel 4 in the direction of the inner wall surface (3Nx or 6Nx) of the holder facing the panel pressing portion 3A, so that the inner wall surface of the holder (3Nx or 6Nx) and the LCD panel are pressed. LCD configured to be aligned with side surface 4N
The structure was fixed. In this LCD fixing structure,
The panel pressing portion 3A is located on the side 4L of the side surface 4L of the LCD panel 4.
It may be configured as a pawl for pressing Lc. In this LCD fixing structure, the height of the wall surface (3L, 3N, etc.) of the holder 4 is determined according to the height of the LCD panel 4 (meaning the thickness including the adhesive 5), and the panel pressing portion 3A Is preferably configured not to project much from the height of the wall surface of the holder 3. In addition, the wall surface of the holder 4 is all the wall surfaces (3L, 3M, 3
M ′, 3N) are not essential, and the wall surfaces (3M and / or 3M ′) on both sides are omitted, and the wall surfaces 3L and 3N are omitted.
Can constitute the present invention. (2) In this LCD fixing structure, the panel pressing portion 3A
The end side 3Nc of the holder inner wall surface 3Nx on the side opposite to is configured with roundness. (3) An electronic device having a display unit structure internally provided in a device main body, wherein the display unit structure is formed with the LCD fixing structure according to claim 1 or 2. The device.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an LCD fixing structure and an electronic device according to an embodiment of the present invention. FIG. 1 is an explanatory perspective view schematically showing an LCD fixing structure and an electronic device according to the present invention using a mobile phone as an example. FIG. 2 is an explanatory view of a section A of the LCD fixing structure shown in FIG. 1, and FIG.
It is explanatory drawing which shows a mode that the D panel 4 is guided by the panel press part 3A, and is attached to the holder 3. FIG. FIG. 4 is a schematic perspective view (1) and a sectional view (2) showing another example of the LCD fixing structure according to the present invention.

[0009] Box-shaped holder 3 having a rectangular bottom and a thin wall thickness
Also accommodates a small LCD panel 4 having a similar rectangular (square) shape and a slightly outer frame shape to form an LCD fixing structure. The holder 3 includes a panel pressing portion 3A on at least one of the four inner wall surfaces. This panel pressing portion 3A may be singular or plural, but providing two places at a symmetrical point from the center provides good balance. The width of the mobile phone is suitably about 2 mm at one location, but may be wider or may be arranged over the entire inner wall surface. The panel pressing portion 3A is
Of course, it may be provided on only one of the inner wall surfaces (3L, 3M, 3M ', 3N), or may be provided on a plurality of adjacent inner wall surfaces. For example, a panel pressing portion 3A is provided on the inner wall surface 3L, and the adjacent inner wall surface (3M or 3M) is provided.
If the panel pressing portion 3A is further provided on M ′), the pressing force on another inner wall surface (3M or 3M ′) orthogonal to the inner wall surface 3L further acts, thereby further enhancing the positioning effect of the present invention. Be

In FIG. 2, the panel pressing portion 3A is L
By contacting the side surface 4L or the end side 4Lc of the CD panel 4, the LCD panel 4 is guided, and the position where the panel is arranged is determined. This panel pressing portion 3A
May be a structure that makes contact with or presses the side surface 4L or the end side 4Lc of the LCD panel 4. In the figure, the cross section is formed in the shape of a letter "K" so as to have elastic force. However, the present invention is not limited to this, and an inner wall surface provided with a round or mountain-shaped projection may be used. Although the panel pressing portion 3A is shown to be in contact with the edge 4Lc, if the height of the panel pressing portion 3A is set to be slightly lower,
This time, it is configured to contact the side surface 4L. The technical items in this area may be designed by appropriately applying a conventionally known related technology.

On the side facing the panel pressing portion 3A, there is a holder inner wall surface 3Nx in FIGS.
In FIG. 4, there is a wall surface 6Nx of the internal member 6. Here, the guided side surface 4N of the LCD panel 4 and the inner wall surface 3Nx or the wall surface 6Nx are positioned so as to be aligned, and as a result, the respective positioning is determined.

FIG. 3 shows the LCD panel 4 as a panel pressing portion 3A.
, The edge 4Lc of the LCD panel 4 is always in contact with the panel pressing portion 3A, and the positioning is guided here. The LCD panel 4 is housed while rotating so that the center of the axis is set here, and the side surface 4N of the guided LCD panel 4 is rotated.
The set position is established when the surface and the inner wall surface 3Nx of the holder 3 are aligned, and the position is determined.

In these LCD fixing structures, the panel pressing portion 3A is preferably configured as a claw portion for pressing the edge 4Lc of the LCD panel 4. If the panel pressing portion 3A is provided with an elastic force so as to always exert a pressing force on the LCD panel 4, the surface matching is firm and the displacement can be prevented. Further, if the end surface (3Nx or 6Nx) of the holder-side inner wall surface (3Nx or 6Nx) facing the panel pressing portion 3A is rounded (3Nc in FIG. 2, not shown in FIG. 6), the LCD panel 4 When stored in the holder 3, the shock can be reduced and a smooth operation can be performed without hitting the corner of the end side.

In this LCD fixing structure, four wall surfaces (3L, 3M, 3M) of the holder 3 around the LCD panel 4 are provided.
The height of M ′, 3N) is determined according to the height of the LCD panel 4, but is accurate when the thickness of the adhesive 5 is also taken into consideration. Here, the height of the four wall surfaces of the holder 3 is LC
From the viewpoint of protecting the D panel 4, an equivalent or slightly higher level is appropriate. If it is too high, useless configurations and spaces increase, and the thickness of the electronic device itself is affected.

FIG. 4 shows (1) an external perspective view and (2) a cross-sectional view showing another example of the LCD fixing structure according to the present invention. An installation member 6 is provided. The internal member 6 is the inner wall surface 3N of the holder 3.
x, which is closely attached to x, constitutes an LCD fixing structure, and has a planar wall surface 6Nx. In such a configuration, when the LCD panel 4 is mounted, positioning is performed by the wall surface 6Nx of the internal member 6 and the side surface 4N of the LCD panel 4 being flush with each other.

[0016]

As described above, according to the present invention, the following excellent effects are exhibited. The following description of the effect corresponds to the claims. (1) The panel pressing portion 3A contacts the side surface 4L or the side 4Lc of the LCD panel 4 to guide the LCD panel 4, so that the inner wall surface (3Nx or 6Nx) on the holder side facing the panel pressing portion 3A and the LCD. Panel side 4N
Are positioned so that they are aligned with each other, so that the position can be reliably fixed with a simple device configuration.
In addition, if the panel pressing portion 3A is configured as an elastic pawl portion, a firm positioning structure without displacement can be provided. And four wall surfaces (3L, 3M, 3
M ', 3N) is determined according to the height of the LCD panel 4 (thickness including the adhesive 5), and the panel pressing portion 3A does not protrude much from the height of the wall surface of the holder 3. Since it is configured, there is no adverse effect such as an increase in the thickness of the device. (2) Since the edge 3Nc of the holder inner wall surface 3Nx on the side facing the panel pressing portion 3A is configured to have a rounded shape, the shock is reduced, and the members are prevented from being damaged without the edges hitting each other. Thus, the LCD panel 4 can be mounted more smoothly. (3) In an electronic device having a display unit structure internally provided in the device main body, the display unit structure is formed by including the LCD fixing structure of the present invention, so that there is no LC with no displacement.
An electronic device having a D-panel can be easily obtained, and the manufacturing process of the device can be made more efficient, and an electronic device which does not increase in thickness and is excellent in design can be provided to the market.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view illustrating an LCD fixing structure and an electronic device according to the present invention, taking a mobile phone as an example.

FIG. 2 is an explanatory view of a section A of the LCD fixing structure shown in FIG.

FIG. 3 is an explanatory diagram showing a state in which an LCD panel 4 is attached to a holder 3 by a panel pressing portion 3A.

FIG. 4 is a schematic perspective view (1) and a cross-sectional view (2) showing another example of the LCD fixing structure according to the present invention.

FIG. 5 is a sectional view of a main part showing a conventional LCD fixing structure.

FIG. 6 is a sectional view of a main part showing another conventional LCD fixing structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Apparatus main body 3 Holder 3A Panel pressing part 3Nx Holder inner wall surface 3Nc Holder inner wall edge 3L, 3M, 3M ', 3N Holder wall surface 4 LCD panel 4N, 4L LCD panel side surface 4Lc LCD panel side edge Side 5 Adhesive 6 Internal member 6Nx Inner wall

Claims (3)

[Claims] 1. An LCD fixing structure for accommodating an LCD panel in a rectangular bottomed holder, wherein the holder is configured such that the height of a wall surface is substantially equal to the height of the LCD panel, and At least one has a panel pressing portion having a height approximately equal to or lower than the height of the wall surface, and the panel pressing portion is in contact with the side surface of the LCD panel, and the holder-side inner wall surface facing the panel pressing portion. The LCD fixing structure characterized in that, by pressing the LCD panel, the inner wall surface on the holder side and the side surface of the LCD panel are positioned so as to be positioned. 2. The LCD fixing structure according to claim 1, wherein an edge of an inner wall surface of the holder on a side facing the panel pressing portion has a rounded shape.
Fixed structure. 3. An electronic device having a display unit structure internally provided in a device main body, wherein the display unit structure is formed with the LCD fixing structure according to claim 1 or 2. An electronic device, comprising: