JP2021009183A - Display device and screw fastening structure - Google Patents

Abstract

To provide a screw fastening structure capable of absorbing dimensional variations of each component of a display device in a depth direction.SOLUTION: A rear face part 11 of an indicator 10 is provided with a screw boss 12 shaped protruding in a direction orthogonal to the rear face part 11. A cover lens 20 adheres to a front face of the indicator 10. A holder 30 is arranged behind the indicator 10 and includes a peripheral part 31 adhering to the cover lens 20. A rear face part 32 of the holder 30 which opposes the rear face part 11 of the indicator 10 includes: a screw fastening seat 33 shaped protruding in the same direction as the screw boss 12; and an exposure part 35 exposing the screw boss 12. A relay component 40 includes a first face part and a second face part orthogonally facing each other, the first face part and the screw boss 12 are fastened by a first screw, and the second face part and the screw fastening seat 33 are fastened by a second screw.SELECTED DRAWING: Figure 1

Description

The present invention relates to a display device and a screw fixing structure.

Conventional display devices such as those described in Patent Document 1 include display devices such as liquid crystal and organic EL (Electroluminescence), a front plate arranged on the front side of the display device, and a display device on the rear side of the display device. It is provided with a holding member for holding the above. The front plate and the holding member are fastened with screws.

Japanese Unexamined Patent Publication No. 2014-160281

FIG. 8 is a cross-sectional view showing a configuration example of a screw fixing structure in the conventional display device 1A. In the conventional example shown in FIG. 8, a cover lens 20A corresponding to a front plate is adhered to the front surface of the display 10A by an adhesive member 54A. A screw boss 12A is provided on the rear surface of the display 10A, and the screw boss 12A and the holder 30A corresponding to the holding member are fastened by the screw 50A. Further, the peripheral edge portion of the holder 30A is adhered to the rear surface portion of the cover lens 20A by the adhesive member 53A. In this conventional example, when a gap is formed between the screw boss 12A and the holder 30A due to the dimensional variation of each part in the thickness direction of the display device 1A, when the screw 50A is tightened, the adhesive fixing portion of the adhesive member 54A is formed. In, the holder 30A applies a load in the direction of peeling off the cover lens 20A. On the contrary, when the holder 30A strongly hits the cover lens 20A due to the dimensional variation of each component, a load is applied in the direction in which the holder 30A pulls the cover lens 20A at the adhesive fixing portion of the adhesive member 53A. If the dimensional variation of each component in the thickness direction of the display device 1A cannot be absorbed as described above, the cover lens 20A is distorted and the display of the display device 10A is unevenly colored.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a screw fixing structure capable of absorbing dimensional variations of each component in the thickness direction of a display device.

In the display device according to the present invention, a display having a screw boss having a shape protruding in a direction orthogonal to the rear surface portion provided on the rear surface portion, a cover lens bonded to the front surface of the display unit, and a rear side of the display device are arranged. The peripheral edge is adhered to the cover lens, and the screw fastening seat surface that protrudes in the same direction as the screw boss and the exposed portion that exposes the screw boss are orthogonal to the holder provided at the portion facing the rear surface of the display. A relay component having a first surface portion and a second surface portion, the first surface portion and the screw boss are fastened with the first screw, and the second surface portion and the screw fastening seat surface portion are fastened with the second screw. To prepare.

According to the present invention, the display and the holder are fastened by fastening the display and the first surface portion of the relay component with the first screw, and fastening the holder and the second surface portion of the relay component with the second screw. Is fixed with screws, so that the relay component can absorb the dimensional variation of each component in the thickness direction of the display device.

It is an exploded perspective view which shows the structural example of the display device which concerns on Embodiment 1. FIG. It is an exploded perspective view which shows the structural example of the screw fixing structure in the display device which concerns on Embodiment 1. FIG. It is a perspective view which shows the structural example of the screw fixing structure in the display device which concerns on Embodiment 1. FIG. It is sectional drawing which shows the structural example of the screw fixing structure in the display device which concerns on Embodiment 1. FIG. It is a figure which shows the size of the 1st screw through hole and the 1st screw fastening hole in a screw fixing structure. It is a figure which shows the 2nd screw fastening hole and the size of the 2nd screw through hole in a screw fixing structure. It is a side view which shows the structural example of the screw fixing structure in the display device which concerns on Embodiment 1. FIG. It is sectional drawing which shows the structural example of the screw fixing structure in the conventional display device.

Embodiment 1.
FIG. 1 is an exploded perspective view showing a configuration example of the display device 1 according to the first embodiment. The display device 1 includes a display 10, a cover lens 20, a holder 30, a relay component 40, a first screw 51 (see FIG. 2), and a second screw 52 (see FIG. 2).

The display 10 is composed of a liquid crystal, an organic EL, or the like. A transparent cover lens 20 is adhesively fixed to the front surface of the display 10, that is, the display surface, by an adhesive member 54 (see FIG. 4). The rear surface portion 11 of the display 10 is made of a metal member, and the rear surface portion 11 is provided with a screw boss 12. The screw boss 12 has a shape protruding in a direction orthogonal to the rear surface portion 11, and is exposed from the exposed portion 35 opened in the rear surface portion 32 of the holder 30. A holder 30 made of a metal member is arranged behind the display 10. The peripheral edge portion 31 of the holder 30 is adhesively fixed to the cover lens 20 by an adhesive member 53 (see FIG. 4). A screw fastening seat surface 33 is provided on the rear surface 32, which is a portion of the holder 30 facing the rear surface 11 of the display 10. The screw fastening seat surface portion 33 has a shape protruding in the same direction as the screw boss 12, and the screw fastening direction with respect to the screw boss 12 and the screw fastening direction with respect to the screw fastening seat surface portion 33 are orthogonal to each other. In the illustrated example, the screw fastening seat surface portion 33 and the exposed portion 35 are formed by cutting and bending the rear surface portion 32 of the holder 30. The display 10 and the holder 30 are fixed via a relay component 40 made of a metal member.

FIG. 2 is an exploded perspective view showing a configuration example of the screw fixing structure 2 in the display device 1 according to the first embodiment. FIG. 3 is a perspective view showing a configuration example of the screw fixing structure 2 in the display device 1 according to the first embodiment. FIG. 4 is a cross-sectional view showing a configuration example of the screw fixing structure 2 in the display device 1 according to the first embodiment. FIG. 5 is a diagram showing the sizes of the first screw through hole 43 and the first screw fastening hole 13 in the screw fixing structure 2. FIG. 6 is a diagram showing the sizes of the second screw fastening hole 44 and the second screw through hole 34 in the screw fixing structure 2. FIG. 7 is a side view showing a configuration example of the screw fixing structure 2 in the display device 1 according to the first embodiment. The screw fixing structure 2 includes a screw boss 12 of the display 10, a screw fastening seat surface 33 of the holder 30, and a relay component 40.

The relay component 40 has a first surface portion 41 and a second surface portion 42 that are orthogonal to each other. The first surface portion 41 is fixed to the screw boss 12 of the display 10 by the first screw 51 in a state parallel to the rear surface portion 11 of the display 10 and the rear surface portion 32 of the holder 30. The second surface portion 42 is fixed to the screw fastening seat surface portion 33 of the holder 30 by the second screw 52 in a state parallel to the screw fastening seat surface portion 33 of the holder 30.

On both side surfaces of the second surface portion 42, hook-shaped holding pieces 46 that are hooked on the edges of the screw fastening seat surface portion 33 are provided. As shown in FIG. 7, each of the two holding pieces 46 is hooked on the edge of the screw fastening seat surface portion 33. Further, a notch 47 for fitting the screw fastening seat surface portion 33 is provided at the base portion of the side where the second surface portion 42 and the holding piece 46 are connected. A gap 47a is provided between the notch 47 and the screw fastening seat surface portion 33 so that the outer edge portion of the screw fastening seat surface portion 33 does not hit the inner edge portion of the notch 47. Each of the two holding pieces 46 is hooked on the edge of the screw fastening seat surface 33, and the edge of the screw fastening seat 33 fits into each of the two notches 47, so that the second surface 42 and the screw fastening seat 33 are brought together. It will be in close contact. Further, due to the gap 47a, even if the dimensions of the parts vary, the first surface portion 41 and the screw boss 12 are in close contact with each other.

The end portion of the first surface portion 41 has a bent portion 45 having a bent shape on the front side of the display device 1, that is, on the cover lens 20 side. The bent portion 45 is inserted into the exposed portion 35 opened in the holder 30. When the first screw 51 is fastened, the bent portion 45 comes into contact with the edge of the exposed portion 35, thereby suppressing the rotation of the relay component 40 accompanying the rotation of the first screw 51. The rotation of the relay component 40 is also suppressed by the holding piece 46 being caught on the screw fastening seat surface 33, but the bending portion 45 is restrained from rotating at a position closer to the first screw 51 than the holding piece 46. can do.

The first surface portion 41 is provided with a first screw through hole 43 through which the first screw 51 is passed. The first screw 51 penetrates the first screw through hole 43 of the first surface portion 41 and is fastened to the first screw fastening hole 13 provided in the screw boss 12. As shown in FIG. 5, the first screw through hole 43 is larger than the first screw fastening hole 13. The first screw through hole 43 may be, for example, a round hole having a diameter larger than that of the first screw fastening hole 13, or a long hole long in the arrow direction shown in FIG. The direction of the arrow shown in FIG. 5 is orthogonal to the thickness direction of the display device 1 shown in FIG. When the holding piece 46 is hooked on the screw fastening seat surface 33, the relay component 40 is positioned with reference to the screw fastening seat 33. Therefore, if the dimensions of the parts vary, the positions of the first screw fastening hole 13 and the first screw through hole 43 shift in the direction of the arrow shown in FIG. Even if there is this deviation, since the first screw through hole 43 is larger than the first screw fastening hole 13, the first screw 51 can be fastened.

The second surface portion 42 is provided with a second screw fastening hole 44 for fastening the second screw 52. The second screw 52 penetrates the second screw through hole 34 provided in the screw fastening seat surface portion 33, and is fastened to the second screw fastening hole 44 of the second surface portion 42. As shown in FIG. 6, the second screw through hole 34 is larger than the second screw fastening hole 44. The second screw through hole 34 may be, for example, a round hole having a diameter larger than that of the second screw fastening hole 44, or a long hole long in the arrow direction shown in FIG. The arrow direction shown in FIG. 6 is the same as the thickness direction of the display device 1 shown by the arrow in FIG. If there is a dimensional variation of each component in the thickness direction of the display device 1, the positions of the second screw fastening hole 44 and the second screw through hole 34 are displaced in the direction of the arrow shown in FIG. Even if there is this deviation, since the second screw through hole 34 is larger than the second screw fastening hole 44, the second screw 52 can be fastened.

Next, the procedure for assembling the display device 1 will be described.
First, the operator adhesively fixes the cover lens 20 to the front surface of the display 10 with the adhesive member 54. Subsequently, the operator adheres and fixes the peripheral edge portion 31 of the holder 30 to the cover lens 20 with the adhesive member 53. Subsequently, the operator hooks the holding piece 46 of the relay component 40 on the edge of the screw fastening seat surface portion 33, and inserts the bent portion 45 of the relay component 40 into the exposed portion 35 of the holder 30. Subsequently, the operator allows the first screw 51 to pass through the first screw through hole 43 provided in the first surface portion 41 of the relay component 40, and the first screw boss 12 provided in the display 10 is provided. Fasten to the screw fastening hole 13. By fastening the first screw 51 before the second screw 52, the dimensional variation of each component in the thickness direction of the display device 1 is absorbed. Finally, the operator allows the second screw 52 to pass through the second screw through hole 34 provided in the screw fastening seat surface portion 33 of the holder 30, and is provided in the second surface portion 42 of the relay component 40. Fasten to the screw fastening hole 44 of 2. When the first screw 51 is fastened, the relay component 40 absorbs the dimensional variation of each component in the thickness direction of the display device 1, so that the position of the second screw fastening hole 44 is displayed from the position of the second screw through hole 34. Even if the device 1 is displaced in the thickness direction, the second screw 52 can be fastened because the second screw through hole 34 is larger than the second screw fastening hole 44. The relay component 40 is screwed to the display 10 and the holder 30 by the first screw 51 and the second screw 52, and the display 10 is held by the holder 30 by the relay component 40.

As described above, the display device 1 according to the first embodiment includes a display device 10, a cover lens 20, a holder 30, and a relay component 40. The rear surface portion 11 of the display 10 is provided with a screw boss 12 having a shape protruding in a direction orthogonal to the rear surface portion 11. The cover lens 20 is adhered to the front surface of the display 10. The holder 30 is arranged behind the display 10 and the peripheral edge portion 31 is adhered to the cover lens 20. The rear surface portion 32 of the holder 30 facing the rear surface portion 11 of the display 10 is provided with a screw fastening seat surface portion 33 having a shape protruding in the same direction as the screw boss 12 and an exposed portion 35 for exposing the screw boss 12. There is. The relay component 40 has a first surface portion 41 and a second surface portion 42 that are orthogonal to each other, and the first surface portion 41 and the screw boss 12 are fastened with the first screw 51, and the second surface portion 42 and the screw fastening seat surface portion 33 are fastened to each other. Is fastened with a second screw 52. Since the relay component 40 screws the display 10 and the holder 30 from two directions, the dimensional variation of each component in the thickness direction of the display device 1 is absorbed. Since the dimensional variation is absorbed, a load is applied to the adhesive fixing portion of the display 10 and the cover lens 20 bonded by the adhesive member 54, and the adhesive fixing portion of the cover lens 20 and the holder 30 bonded by the adhesive member 53. It doesn't cost. Therefore, the distortion of the cover lens 20 is suppressed, and the color unevenness of the display 10 is also suppressed.

Further, the second surface portion 42 of the relay component 40 according to the first embodiment has a hook-shaped holding piece 46 that is hooked on the edge of the screw fastening seat surface portion 33. With this configuration, the screw fastening seat surface 33 and the second surface 42 of the relay component 40 are in close contact with each other. Therefore, when the second screw 52 is fastened, the load applied to the screw fastening seat 33 and the second surface 42 is applied. Is suppressed.

Further, the relay component 40 according to the first embodiment has a shape in which the end portion of the first surface portion 41 is bent toward the cover lens 20, and has a bent portion 45 to be inserted into the exposed portion 35 of the holder 30. When the bent portion 45 comes into contact with the edge of the exposed portion 35, the rotation of the relay component 40 accompanying the rotation of the first screw 51 can be suppressed.

Further, the screw boss 12 according to the first embodiment has a first screw fastening hole 13 to which the first screw 51 is fastened. The first surface portion 41 of the relay component 40 facing the screw boss 12 has a first screw through hole 43 larger than the first screw fastening hole 13 through which the first screw 51 penetrates. As a result, when the holding piece 46 of the relay component 40 is caught on the edge of the screw fastening seat surface portion 33 and the relay component 40 is positioned, the first screw fastening hole 13 and the first screw are caused by dimensional variation. Even if the through hole 43 is displaced, the first screw 51 can be fastened.

Further, the second surface portion 42 of the relay component 40 according to the first embodiment has a second screw fastening hole 44 to which the second screw 52 is fastened. The screw fastening seat surface 33 of the holder 30 facing the second surface 42 has a second screw through hole 34 larger than the second screw fastening hole 44 through which the second screw 52 penetrates. As a result, even if the second screw through hole 34 and the second screw fastening hole 44 are misaligned due to the dimensional variation of each component in the thickness direction of the display device 1, the second screw 52 is fastened. Is possible.

It should be noted that, within the scope of the present invention, it is possible to modify any component of the embodiment or omit any component of the embodiment.

1,1A display device, 2 screw fixing structure, 10,10A display, 11 rear surface, 12, 12A screw boss, 13 first screw fastening hole, 20, 20A cover lens, 30, 30A holder, 31 peripheral part, 32 Rear surface, 33 screw fastening seat, 34 second screw through hole, 35 exposed, 40 relay parts, 41 first surface, 42 second surface, 43 first screw through hole, 44 second screw fastening hole , 45 Bending part, 46 holding piece, 47 notch, 47a gap, 50A screw, 51 first screw, 52 second screw, 53, 53A, 54, 54A adhesive member.

Claims (6)

An indicator provided with a screw boss having a shape protruding in a direction orthogonal to the rear surface portion on the rear surface portion, and
A cover lens adhered to the front surface of the display and
A screw fastening seat surface portion arranged behind the display and having a peripheral edge bonded to the cover lens and protruding in the same direction as the screw boss and an exposed portion exposing the screw boss are on the rear surface portion of the display. With the holder provided on the opposite part,
It has a first surface portion and a second surface portion that are orthogonal to each other, the first surface portion and the screw boss are fastened with a first screw, and the second surface portion and the screw fastening seat surface portion are fastened with a second screw. A display device including a relay component. The display device according to claim 1, wherein the second surface portion of the relay component has a hook-shaped holding piece that is hooked on the edge of the screw fastening seat surface portion. The display device according to claim 1, wherein the relay component has a shape in which an end portion of the first surface portion is bent toward the cover lens side and has a bent portion to be inserted into the exposed portion of the holder. .. The screw boss of the display has a first screw fastening hole to which the first screw is fastened.
The display device according to claim 1, wherein the first surface portion of the relay component has a first screw through hole larger than the first screw fastening hole through which the first screw penetrates. The second surface portion of the relay component has a second screw fastening hole for fastening the second screw.
The display device according to claim 1, wherein the screw fastening seat surface portion of the holder has a second screw through hole larger than the second screw fastening hole through which the second screw penetrates. It is a screw fixing structure that fixes the display and holder that make up the display device with screws.
A screw boss provided on the rear surface portion of the display and having a shape protruding in a direction orthogonal to the rear surface portion.
A screw fastening seat surface portion having a shape protruding in the same direction as the screw boss, which is provided in a portion of the holder facing the rear surface portion of the display.
It has a first surface portion and a second surface portion that are orthogonal to each other, the first surface portion and the screw boss are fastened with a first screw, and the second surface portion and the screw fastening seat surface portion are fastened with a second screw. A screw fixing structure characterized by being provided with a relay component.

Images