JPH085998A - Display device - Google Patents

Abstract

PURPOSE:To eliminate the need for tools at the time of assembly and to improve an assembling property by engaging holes and projecting parts and engaging and holding a bezel member and a housing base with each other. CONSTITUTION:A device body l is mounted in the housing part on a stage 3 while spacers 23 are disposed. Next, the pawl parts of the bezel member 2 are engaged with the engaging parts 17 of a stage 3 by providing the bezel member 2 with an angle. Next, the bezel member 2 is turned around the engaging parts of the pawl parts and the engaging parts 17 as a fulcrum axis. The engaging parts of the bezel member 2, then, descend along the outer side faces of the side face parts of the stage 3 and the bottom ends of the engaging parts come into contact with the slopes of the projecting parts 15. The engaging parts are elastically deformed along the slopes of the projecting parts 15 when the bezel member 2 is further pressed. The engaging parts are restored and the state in which the bezel member 2 and the stage 3 are engaged is attained when the front ends of the engaging parts stride over the projecting parts 15 and arrive at the positions where the engaging holes 12 and the projecting parts 15 are aligned.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device, and more particularly,
The present invention relates to a display device such as a liquid crystal display device in which a liquid crystal panel and a drive circuit for driving the liquid crystal panel are integrated.

In recent years, as a display device used for a personal computer, a word processor, etc., a panel-shaped display device such as a liquid crystal display device has been widely used instead of a CRT. With the demand for smaller and lighter personal computers, word processors, and the like, panel-shaped display devices have been made thinner and lighter.

Among them, the liquid crystal display device is characterized in that it is thin and consumes less power, but in particular, due to technological progress in the TFT system in recent years, the display quality has become comparable to that of a CRT, and therefore the need for a liquid crystal display device has increased. However, each manufacturer is promoting capital investment and production.

However, the liquid crystal display device has a large number of individual component shapes in spite of the small outer size, and in order to reduce the cost, it is necessary to reduce the number of components, improve the assemblability, and reduce the number of assembling steps. There is.

[0005]

2. Description of the Related Art FIG. 6 shows a block diagram of a conventional example. In the figure, 31 is a liquid crystal display panel, 32 is a bezel member, 33 is a stage, and 34 is a backlight unit.

In the liquid crystal display panel 31, a driving circuit 31b for supplying a driving signal to the panel portion 31a is arranged around the panel portion 31a in which liquid crystal is sealed between two glass substrates on which transparent electrodes, TFTs, etc. are formed. It is configured so that it is disposed between the stage 33 and the bezel member 32 while the spacer 35 is mounted.

The bezel member 32 has a claw portion 32a at the lower end of the side surface.
Are formed. The claw portion 32a is bent inward when the bezel member 32 is engaged with the stage 33.

The backlight unit 34 is fixed to the stage 33 with screws 36.

FIG. 7 shows a conventional operation explanatory diagram during assembly.
Conventionally, the assembling of the bezel member 32 and the stage 33 has been performed by covering the stage 33 with the bezel member 32 and then bending the claw 32a.

[0010]

However, in the conventional display device, in order to store and hold the liquid crystal display panel by the bezel member and the stage, it is necessary to bend a large number of tabs provided on the bezel member inward. As well as the number of man-hours required for assembling, the man-hours required for disassembling the liquid crystal panel when repairing the LCD panel are increased, and because the tabs are bent, the strength of the tabs decreases when the disassembly and assembly are repeated. There were problems such as the plating coming off.

The present invention has been made in view of the above points, and an object of the present invention is to provide a display device which is easy to assemble and has high reliability.

[0012]

According to a first aspect of the present invention, a display panel, a storage base for storing the display panel, and a bezel for engaging with the storage base and holding the display panel on the storage base. In the display device having a member, the storage base by engaging a protrusion provided on the side surfaces of the storage base and the bezel member so as to face each other and an engagement hole that engages with the protrusion. Engage with the bezel member.

According to a second aspect of the present invention, the protrusion is formed on the side surface of the storage base, and the engagement hole is formed on the side surface of the bezel portion.

According to a third aspect of the present invention, the protrusion is formed on the side surface of the bezel member, and the engagement hole is formed on the side surface of the storage base.

According to a fourth aspect of the present invention, an inclined surface is formed which guides an end of the side surface facing the protrusion to the outside.

According to a fifth aspect of the present invention, there is provided a groove portion that forms a gap between the storage base and the bezel member.

According to a sixth aspect of the present invention, there is provided a claw portion which is provided on one side of the bezel member and which engages with a side end portion of the storage base.

[0018]

According to the first to third aspects of the present invention, after the display panel is stored in the storage base, the bezel member is covered so as to engage with the storage base and is pressed toward the storage base, whereby the engaging portion is pressed. Is restored, the engagement hole and the protrusion are engaged, and the bezel member and the storage base are engaged and held with each other. In this way, the bezel members can be engaged and held with each other only by pushing them into the storage base, so that a tool is not required at the time of assembling and the assemblability can be improved.

According to the fourth aspect, the side surface end portion facing the protrusion is opened outward by being guided by the inclination of the protrusion, so that the pushing operation becomes easy.

According to the fifth aspect, when the bezel member is engaged with and held by the storage base, the groove forms a gap between the storage base and the bezel member, so that the storage base and the bezel member are separated from each other. When attempting to disengage, it is possible to engage the work jig in the gap and easily open the engaging portion of the bezel member to the outside, and easily release the engagement between the engaging hole and the protruding portion. Can
Therefore, the storage table and the bezel member can be easily separated from each other.

According to the sixth aspect of the present invention, by providing one side of the bezel member with a claw portion that engages with the side end portion of the storage base, the claw portion engages with the side end portion when the bezel member engages with the storage base. After that, the bezel member can be easily pushed into the storage base by pressing the bezel member toward the storage base with the engaging portion between the claw portion and the side end as a fulcrum. It can be easily engaged.

[0022]

1 is an exploded perspective view of an embodiment of the present invention. In the figure, 1 is a liquid crystal display panel, 2 is a bezel member, 3
Is a stage that serves as a storage table, and 4 is a backlight unit.

The liquid crystal display panel 1 comprises a liquid crystal panel section 5 and a driving circuit section 6 arranged around the liquid crystal panel section 5. The liquid crystal panel unit 5 includes a transparent electrode and a TFT (Thin Film Tr).
A liquid crystal is enclosed between glass substrates on which an anisotropy) or the like is formed, and a transparent electrode and a connection electrode for supplying a drive signal to a TFT or the like are formed in the peripheral portion.

The drive circuit section 6 is a drive circuit I on the printed circuit board.
An electronic component such as C (integrated circuit) is mounted, and a wiring pattern for connecting to the connection electrodes of the liquid crystal panel section 5 is formed. This wiring pattern and the liquid crystal panel section 5 are formed.
It is fixed to the liquid crystal panel section 5 by soldering TAB7 as a connecting member to the connection electrode of.

FIG. 2 shows a configuration diagram of the bezel member 2. Figure 2
2A is a top view and a side view, FIG. 2B is an AA ′ sectional view, and FIG. 2C is a BB ′ sectional view.

The bezel member 2 is an SPCC having a thickness of about 0.8 mm.
It is composed of materials. The bezel member 2 includes a bezel portion 8 that covers the drive circuit portion 6 of the liquid crystal display panel 1, an opening portion 9 that exposes the display surface, an engaging portion 10 for engaging with the stage 3, and a claw portion 11. It

The opening portion 9 exposes the display surface of the liquid crystal panel portion 5 to the outside at the inner peripheral portion of the bezel portion 8.

The engaging portion 10 is provided in three directions of the outer end portion of the bezel portion 8 and extends in the direction of 90 ° with respect to the bezel portion 8. Further, as shown in FIG. 2C, each side of the engaging portion 8 is independently formed so as to elastically deform in the surface of the bezel portion 8 (direction of arrow A).

An engaging hole 12 is formed in the engaging portion 10. The engaging hole 12 engages with the stage 3 to allow the bezel member 2 to move.
Are engaged with the stage 3.

The claw portion 11 is provided on one side of the bezel portion 8 and extends in the direction of 90 ° with respect to the bezel portion 8 like the engaging portion 10. Further, the claw portion 11 is shown in FIG.
As shown in (B), it has a U shape and is configured to engage with one side of the stage 3.

FIG. 3 shows a block diagram of the stage 3. FIG.
3A is a plan view and a side view, FIG. 3B is a sectional view taken along the line AA ′, FIG. 3C is a sectional view taken along the line BB ′, and FIG. E) shows a CC ′ sectional view.

The stage 3 is formed by molding a resin and is composed of a side plate portion 13 and a partition portion 14.

On the outer periphery of the side plate portion 13, as shown in FIG. 3C, an engaging hole 12 formed in the engaging portion 10 of the bezel member 2.
The protrusion 15 is formed at a position that engages with the groove 15, and the groove 16 is formed adjacent to the protrusion 15. Protrusion 15
Is a right-angled triangle whose side surface is arranged so that the inclined surface faces upward.

Further, the remaining side of the side plate portion 13 is shown in FIG.
As shown in (D), an engaging portion 17 is formed so as to engage with the claw portion 11 of the bezel member 2.

Further, the stage 3 has an inner peripheral portion divided into upper and lower parts by a partition portion 14, the upper storage portion 18 stores the liquid crystal display panel 1, and the lower storage portion 19 stores the backlight unit 4. To be done. An opening portion 20 corresponding to the outer shape of the liquid crystal panel portion 5 of the liquid crystal display panel 1 is formed in the center of the partition portion 14, and the light emitted from the backlight unit 4 passes through the opening portion 20 and the liquid crystal. It is supplied to the panel unit 5. Therefore, the partition portion 14 of the stage 3
Is a screw hole 2 for fixing the backlight unit 4.
0 is formed.

In the backlight unit 4, as shown in FIG. 1, a screw 21 is passed through a through hole 22 formed in the backlight unit 4 corresponding to the screw hole 20 of the stage 3 and screwed into the screw hole 20 of the stage 3. It is fixed to the stage 3 by inserting it.

Further, the liquid crystal display panel 1 is arranged on the stage 3 via a spacer 23 as shown in FIG. 1, and the bezel member 2 is covered via the spacer 23.

The spacer 23 is made of silicone rubber having a hardness of 30 °, and when the liquid crystal display panel 1 is mounted and the bezel member 2 is engaged with the stage 3, the spacer 23 is compressed by about 10%. The display panel 1 is sandwiched between the bezel member 2 and the stage 3.

If the claw portions 11 are too long, the assemblability is deteriorated, and if the claw portions 11 are too short, it is difficult to manufacture the bezel. Therefore, the claw portions 11 are separated from each other to have a length of 3.5 mm. The size of the engagement hole 12 is, for example, 7 × 2 mm, and the projection 15
Is a right triangle having a width of 6 mm, a base of 1.8 mm, and a height of 0.7 mm.

Since the bezel member 2 and the stage 3 have a space of 0.2 mm on one side in consideration of the dimensional tolerance of materials, when the bezel member 2 and the stage 3 are engaged with each other, the protrusion 15 of the stage 3
Is caught in the engaging hole 12 of the bezel member 2 by 0.5 mm. If the size of this catch is too long, it will be difficult to engage, and if it is too short, it will disengage immediately.

FIG. 4 is an explanatory view of the assembling operation of the essential parts of one embodiment of the present invention.

First, the case where the bezel member 2 is engaged with the stage 3 will be described. Upper storage 18 of stage 3
The main body 1 of the apparatus is mounted while the spacer 23 is arranged.

Next, as shown in FIG. 4A, the bezel member 2 is angled, and the claw portion 11 of the bezel member 2 is engaged with the engaging portion 17 of the stage 3.

Next, the bezel member 2 is attached to the claw portion 11 and the engaging portion 1.
It is rotated in the direction of arrow A using the engaging portion with 7 as a spindle.

When the bezel member 2 is rotated in the direction of arrow A using the engaging portion between the claw portion 11 and the engaging portion 17 as a spindle, the engaging portion 10 of the bezel member 2 is outside the side plate portion 13 of the stage 3. It descends along the side surface, and the lower end of the engaging portion 10 contacts the inclined surface of the protrusion 15.

When the bezel member 2 is further pressed in the direction of arrow A, the engaging portion 10 is elastically deformed in the direction of arrow B along the inclined surface of the protrusion 15.

When the tip of the engaging portion 10 gets over the protrusion 15 and reaches the position where the engaging hole 12 and the protrusion 15 coincide with each other, the engaging portion 10 is restored, and as shown in FIG. The member 2 and the stage 3 are in the engaged state.

In this state, even if the bezel member 2 is rotated in the direction of arrow C, the lower end of the projection 15 is formed so as to be at a right angle to the outer surface of the side plate 13 of the stage 3, so that the bezel The lower end portion of the engagement hole 12 of the member 2 abuts the lower end portion of the protrusion 15 and the engagement is not disengaged, so that the bezel member 2 can be securely engaged and held on the stage 3.

Next, the case where the bezel member 2 is removed from the stage 3 will be described. Bezel member 2 to stage 3
4C, the jig 24 such as a flat-blade screwdriver is inserted into the groove 16 formed at the outer lower end of the side plate portion 13 of the stage 3 to remove the engaging portion 10 of the bezel member 2. Elastically deform in the direction of arrow D.

The engaging portion 10 of the bezel member 2 is elastically deformed as shown by the broken line in FIG.
The bezel member 2 can be rotated in the direction of arrow C by releasing the engagement between the protrusion 15 of the stage 3 and
The bezel member 2 can be separated from the stage 3.

When the bezel member 2 is mounted on the stage 3 as described above, the claw portion 11 of the bezel member 2 is attached to the stage 3
It can be mounted by simply engaging with the engaging portion 17 and rotating on the engaging portion support shaft, and a jig or the like is unnecessary.

Also, when the bezel member 2 is detached from the stage 3, a jig or tool 24 such as a screwdriver is inserted into the groove portion 16 which forms a gap between the bezel member 2 and the stage 3.
Since the jig 24 can be rotated in the direction of the arrow D to elastically deform the engaging portion 10 of the bezel member 2 and the bezel member 2 can be rotated in the direction opposite to the mounting direction, the jig 24 can be inserted. It is easy and the bezel member 2 can be easily removed from the stage 3.

As described above, according to the present embodiment, the bezel claw bending work need not be performed in assembling the liquid crystal display device, which contributes to a reduction in the number of assembling steps of the liquid crystal display device and an improvement in reliability. large.

In this embodiment, the projection 15 is provided on the side surface of the stage 3 and the engaging hole 12 is provided on the side surface of the bezel member 2. However, as shown in FIG. Even if the hole 12 is provided and the protrusion 15 is formed on the side surface of the stage 3, the same effect can be obtained.

[0055]

As described above, according to the first to third aspects of the present invention, after the display panel is stored in the storage base, the bezel member is covered so as to engage with the storage base and pressed toward the storage base. Thereby, the engagement hole and the protrusion are engaged with each other, and the bezel member and the storage base are engaged with each other and held, so that the bezel member can be engaged and held with each other only by pushing the bezel member into the storage base.
Therefore, the jigs and tools are not required at the time of assembling, and the assembling property can be improved.

According to the fourth aspect, since the side end facing the protrusion is opened outward by being guided by the inclined surface of the protrusion during pressing, pushing can be performed easily, and assembling is improved. With the features of.

According to the second aspect, when the bezel member is engaged with and held by the storage base, the groove portion forms a gap between the storage base and the bezel member, so that the storage base and the bezel member are separated from each other. When attempting to disengage, the work jig can be engaged in the gap to easily open the engaging portion of the bezel member outward, and the engagement between the engaging hole and the protrusion can be easily released. Therefore, the storage base and the bezel member can be easily separated from each other.

According to the sixth aspect of the present invention, by providing the one side of the bezel member with the claw portion which engages with the side end portion of the storage base, the claw portion is engaged with the side end portion when the bezel member is engaged with the storage base. After that, the bezel member can be easily pushed into the storage base by pressing the bezel member toward the storage base with the engaging portion between the claw portion and the side end as a fulcrum. It has features such as easy engagement.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an embodiment of the present invention.

FIG. 2 is a configuration diagram of a bezel member according to an embodiment of the present invention.

FIG. 3 is a configuration diagram of a storage table according to an embodiment of the present invention.

FIG. 4 is an operation explanatory diagram of the embodiment of the present invention.

FIG. 5 is a configuration diagram of another embodiment of the present invention.

FIG. 6 is a configuration diagram of a conventional example.

FIG. 7 is a diagram illustrating an operation of a conventional example.

[Explanation of symbols]

 1 Device main body 2 Bezel member 3 Storage stand 4 Backlight unit

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshiya Onodera 1015 Kamiodanaka, Nakahara-ku, Kawasaki City, Kanagawa Prefecture, Fujitsu Limited (72) Inventor, Katsuhiko Kishida 1015, Kamedotachu, Nakahara-ku, Kawasaki City, Kanagawa Prefecture, Fujitsu Limited

Claims (6)

[Claims] 1. A display panel (1), a storage table (3) for storing the display panel (1), and the storage panel (3) engaged with the display panel (1). In a display device having a bezel member (2) held in 3), a protrusion (15) provided on the side surfaces of the storage base (3) and the bezel member (2) so as to face each other, and the protrusion (15). A display device characterized in that the storage base (3) and the bezel member (2) are engaged by engaging with an engagement hole (12) that engages with (15). 2. The accommodating base (3) with the protrusion (15).
The display device according to claim 1, wherein the engaging hole (12) is formed on a side surface of the bezel portion (2). 3. The projection (15) is formed on a side surface of the bezel member, and the engagement hole (12) is formed on a side surface of the storage table (3). Display device. 4. The display device according to claim 1, wherein the protrusion (15) is formed with an inclined surface that guides opposite side end portions in an outward direction. 5. The display according to claim 1, further comprising a groove portion (16) forming a gap between the storage base (3) and the bezel member (2). apparatus. 6. A claw portion (1) provided on one side of the bezel member (2) and engaged with a side end portion of the storage table (3).
The display device according to any one of claims 1 to 5, further comprising 1).