JP4823370B2 - Electronics - Google Patents

Description

  The present disclosure relates to a display device and an electronic apparatus having a case made up of a plurality of portions.

  There are display devices with buttons for operation. Such a display device has, for example, a back cabinet covering the back of the device and a button unit attached to the back cabinet. The back cabinet is provided with an “L” -shaped operation portion locking claw. On the other hand, the button portion is provided with a cabinet fixing locking claw protruding in an “L” shape. The button portion is fixed to the back cabinet by fitting the cabinet fixing locking claw to the operation portion locking claw.

JP 2009-159084 A

  By the way, when the “L” -shaped structure is formed on a part of the back cabinet using a mold, the “L” -shaped structure becomes an undercut portion. For this reason, it is necessary to provide a slide core in the mold, and the structure of the mold becomes complicated. Therefore, it is desirable to avoid using such an “L” -shaped structure as much as possible. On the other hand, when there is no such locking claw for fixing the cabinet, when assembling the display device, it is necessary for the operator to perform the assembling work while holding the button part, and the workability is deteriorated.

  The objective of this invention is providing the display apparatus which can improve assembly workability | operativity.

  In order to achieve the above object, a display device according to an aspect of the present invention includes a display panel, a first portion surrounding the front surface of the display panel, and a second portion surrounding the back surface of the display panel. A case having a third portion provided adjacent to the first portion and the second portion and including an operation button, and the first portion and the second portion. One of the portions includes a first rib that rises toward the inside of the case, and the third portion includes a holding portion, and the first rib is provided inside the holding portion. The third portion can be attached to either the first portion or the second portion via the holding portion.

  In order to achieve the above object, an electronic apparatus according to an aspect of the present invention includes a display unit, a first part covering a peripheral part of the display screen of the display unit, and the display screen of the display unit. A case having a second portion that covers a surface opposite to a certain surface; and a third portion that is provided between the first portion and the second portion and includes a functional portion. Any one of the first part and the second part includes a first rib rising toward the inside of the case, and the third part has a fixing part. The fixing portion is provided with a groove for sandwiching the first rib on the inner side, and the third portion is connected to the first portion and the second portion via the fixing portion. It can be attached to either one.

  According to said structure, the display apparatus which can improve assembly workability | operativity can be provided.

The perspective view which showed the display apparatus which is an example of the electronic device of 1st Embodiment. The perspective view which showed a part of 1st part and 3rd part of the case of the display apparatus shown in FIG. 1 from the inner side of the case. The perspective view which showed a part of 1st part of the case of the display apparatus shown in FIG. 1 from the inside of a case in the state which removed the 3rd part. The perspective view which expanded and showed the 1st rib of the 1st part shown in FIG. The perspective view which expanded and showed the 3rd part shown in FIG. The perspective view which expanded and showed the clamping part of the 3rd part shown in FIG. The perspective view which showed one of the manufacturing processes of the display apparatus of this embodiment. The perspective view which expanded and showed the engaging part of the 2nd part shown in FIG. The perspective view which showed the next process of the manufacturing process of the display apparatus shown in FIG. The perspective view which showed the state which the engaging part of the 2nd part engaged with the receiving part of the 3rd part shown in FIG. Sectional drawing along the position of F11-F11 line | wire of the case of the display apparatus shown in FIG.

  Hereinafter, a first embodiment of an electronic device will be described with reference to the drawings. In this specification, the front side (i.e., the user side) is the forward direction F, the back side as viewed from the user is the rear direction R, the left side when viewed from the user is the left direction, the right side when viewed from the user is the right direction, and the user is viewing The upward direction is defined as the upward direction, and the downward direction as viewed from the user is defined as the downward direction.

  As shown in FIG. 1, a display device 11 that is an example of an electronic device is a so-called flat-screen television. For example, the display device 11 receives various television programs and displays them on a display panel, or a hard disk drive that incorporates television programs. Or recording in a storage device. In the display device 11, for example, terrestrial digital broadcast, BS digital broadcast, and CS digital broadcast can be received and displayed on a display panel, or these programs can be recorded in a storage device.

  As shown in FIGS. 1 and 7, the display device 11 includes a display panel 12 (display unit), a case 13 that surrounds the display panel 12, a leg 14 that supports the display panel 12 and the case 13, and a display. And a plurality of printed circuit boards 15 attached to the back surface of the panel 12. The display panel 12 is configured by a liquid crystal display, for example. The leg portion 14 is directly attached to the display panel 12 via a mounting bracket 16 shown in FIG. The plurality of printed circuit boards 15 include a panel controller that drives the display panel 12, a tuner board connected to the panel controller, and the like.

  As shown in FIG. 1, the case 13 includes a first portion 21 that surrounds the front surface (front) of the display panel 12, a second portion 22 that surrounds the back surface (rear) of the display panel 12, and operation buttons 24. And a third portion 23 provided with an (operation unit). The first portion 21, the second portion 22, and the third portion 23 are manufactured by molding a synthetic resin material into a predetermined shape.

  The first portion 21 is a so-called front bezel formed in a frame shape as a whole. As shown in FIGS. 2 and 3, the first portion 21 includes a first wall portion 25 (front wall) disposed at the foremost position in the case 13 and an outer edge portion of the first wall portion 25. The first frame portion 26 rising toward the second portion 22, the first wall portion 25 and the first rib 27 projecting from the first frame portion 26 toward the inside of the case 13, and the first A reinforcing rib 28 for reinforcing the rib 27 and a boss 31 for attaching the display panel 12 are provided. In the present embodiment, as an example, the first rib 27 is formed as a rib extending from the boss 31 toward the periphery. For example, the first rib 27 extends from the boss 31 toward the surrounding first frame portion 26, and reinforces the first portion 21 to improve the mechanical strength of the first portion 21. Yes.

  As shown in FIG. 4, the first rib 27 includes a seat surface portion 32 that is parallel to the first wall portion 25, and a backrest portion 33 that extends in a direction substantially orthogonal to the seat surface portion 32. Yes. The back surface of the groove 35 of the clamping portion 34 of the third portion 23 described later is abutted against the seat surface portion 32. The backrest portion 33 is an example of a support portion, contacts the third portion 23 from the inside of the case 13, and prevents the third portion 23 from falling into the inside of the case 13.

  Further, the clamping portion 34 of the third portion 23 is abutted against the backrest portion 33. As shown in FIG. 4, the reinforcing rib 28 extends in a direction orthogonal to (intersects with) the first rib 27. The reinforcing rib 28 has a substantially cross shape with the first rib 27 and is formed integrally with the first rib 27. In the present embodiment, the first rib 27 is provided in the first portion 21 that is one of the first portion 21 and the second portion 22.

  The second portion 22 is a so-called back cover formed in a box shape as a whole. As shown in FIG. 8, the second portion 22 includes a second wall portion 36 (rear wall) disposed rearmost in the case 13 and a first portion from the outer edge portion of the second wall portion 36. 21 has a second frame portion 37 that rises toward 21, a cutout portion 38 provided in the second frame portion 37, and an engagement portion 41 that engages with the third portion 23. Yes. The third portion 23 is housed inside the notch 38. As shown in FIG. 8, the engaging portion 41 has a “T” shape in plan view and protrudes in a claw shape toward the first portion 21. In the present embodiment, the engaging portion 41 is provided in the second portion 22 which is the other of the first portion 21 and the second portion 22.

  As shown in FIGS. 1 and 3, the third portion 23 is provided at a position adjacent to each of the first portion 21 and the second portion 22. The third portion 23 is provided with not only the operation button 24 but also an input / output terminal (not shown), and is also a functional portion that exhibits various functions. The third portion 23 is formed in a rectangular thick plate shape. The third portion 23 includes an outer surface 42 that faces the outside, an inner surface 43 that faces the inside of the case, a first surface 44 that faces the first portion 21, and a second surface that faces the second portion 22. It has a surface 45 and a third surface 46 orthogonal to the first surface 44 and the second surface 45. A switch substrate 47 is provided inside the third portion 23.

  The third portion 23 is sandwiched by a main body 52 having a plurality of through holes, a plurality of operation buttons 24 passed through the respective through holes, and a groove 35 for sandwiching the first rib 27 inside. A portion (fixed portion) 34, a pair of contact portions 53 provided on both sides of the sandwiching portion 34, a receiving portion 54 provided on the opposite side of the sandwiching portion 34, and a second portion It has the 2nd rib 57 for supporting from an inner side. The plurality of operation buttons 24 include various buttons such as a power button 24A, a channel operation button 24B, a volume adjustment button 24C, and an image adjustment button 24D.

  As shown in FIG. 6, the clamping part (fixing part) 34 protrudes in an arm shape from the first surface 44, and can hold the first rib 27 in the groove 35. The sandwiching portion 34 defines the periphery of the groove 35. The sandwiching portion 34 has an end portion 55, and the end portion 55 is located on the side opposite to the inner portion of the groove 35. The sandwiching portion 34 can elastically contact the first rib 27 via the end portion 55. The near end portion 55 protrudes from the surrounding portion toward the inside of the groove 35 and protrudes toward the first rib 27. For this reason, the clamping part 34 is in contact with the first rib 27 in a so-called point contact state in which contact is made only at one point of the near end part 55.

  In addition, the width between both ends 55 is formed to be equal to or slightly smaller than the thickness dimension of the first rib 27 at the corresponding portion. Therefore, as shown in FIG. 2, in a state where the third portion 23 is fixed to the first rib 27, the first rib 27 is lightly pressed into the groove 35 of the holding portion 34. As shown in FIG. 6, the sandwiching portion 34 has an abutting portion 56 that abuts against the backrest portion 33 in the vicinity of the groove 35.

  As shown in FIG. 5, the contact portion 53 is formed to protrude from the first surface 44. The contact portion 53 is in contact with the first portion 21. More specifically, the contact portion 53 has a contact surface 53 </ b> A that contacts the first frame portion 26 of the first portion 21. The contact portion 53 prevents the third portion 23 from rotating around the sandwiching portion 34 around the sandwiching portion 34.

  As shown in FIGS. 5 and 11, the receiving portion 54 is provided so as to protrude from the second surface 45 in a direction parallel to the second surface 45. The receiving portion 54 has a frame shape, and is engaged with the engaging portion 41 inserted into the inner opening 54A.

As shown in FIGS. 5 and 10, the second rib 57 is provided so as to protrude from the third surface 46 toward the second portion 22. The second rib 57 has a right-angled triangular shape when viewed from the front, and the protrusion height increases as it approaches the first portion 21. The second rib 57 is in contact with the inner surface of the second portion 22 located in the vicinity of the notch 38 and supports the second portion 22 from the inside of the case 13. The second rib 57 prevents the second portion 22 from falling in the inner direction of the case 13 when the user touches the vicinity.

  Subsequently, a manufacturing process of the display device 11 of the present embodiment will be described with reference to FIGS.

  First, a part of the display device 11 in the state of assembling is placed on the production line. In the display device 11 during the assembly, the first portion 21 of the case 13 is placed on the belt conveyor of the production line. The display panel 12 is attached to the first portion 21 by screwing or the like. A printed circuit board 15 such as a panel controller or a tuner board is attached to the display panel 12. Further, as shown in FIG. 2, the third portion 23 is attached to the first rib 27 of the first portion 21 via the sandwiching portion 34. As a result, the third portion 23 is temporarily fixed (temporarily fixed) while standing with respect to the first portion 21 as shown in FIG.

  Then, as shown in FIG. 7, the second portion 22 that is a back cover is fixed to the first portion 21 and the third portion 23 by screws or the like. At this time, as shown in FIGS. 10 and 11, the engaging portion 41 of the second portion 22 is fitted into the opening 54 </ b> A of the receiving portion 54 of the third portion 23. Furthermore, the leg portion 14 is attached via the first portion 21 and the mounting bracket 16 fixed to the display panel 12, and the assembly of the display device 11 is completed. Thus, the fixing of the third portion 23 is easily completed without using a fixing means such as a screw.

  In the present embodiment, a first rib 27 is provided on the first portion 21 that is a front bezel, and a third portion 23 having an operation button 24 is attached to the first rib 27. However, the present invention is not limited to this. That is, as a modification of the present embodiment, a first rib 27 is provided on the second portion 22 that is a back cover, and the third portion 23 is attached to the first rib 27 via the clamping portion 34. You may make it attach. In this modification, the engaging portion 41 is provided in the first portion 21. The third portion 23 is formed with a receiving portion 54 at a position opposite to the clamping portion 34, and the engaging portion 41 is engaged with the receiving portion 54. Even with such a structure, the workability at the time of assembling the display device 11 can be improved by simply temporarily fixing the third portion 23 to the second portion 22.

  According to the present embodiment, the display device 11 includes a display panel 12, a first portion 21 surrounding the front surface of the display panel 12, a second portion 22 surrounding the back surface of the display panel 12, and a first portion. A case 13 having a third portion 23 provided adjacent to the portion 21 and the second portion 22 and including an operation button 24; and the first portion 21 and the second portion. 22 includes a first rib 27 that rises toward the inside of the case 13, and the third portion 23 includes a holding portion 34, and the holding portion 34 includes the first rib 27. The third portion 23 can be attached to one of the first portion 21 and the second portion 22 via the sandwiching portion 34.

  According to this configuration, the third portion 23 can be attached via the first rib 27 rising toward the inside of the case 13. Thereby, even if the third portion 23 is provided, it is possible to prevent the undercut portion from being provided in either the first portion 21 or the second portion 22 as much as possible. As a result, the third part 23 having the operation buttons 24 can be easily installed in the current model by modifying a part of the existing mold without providing a complicated slide structure in the mold. it can. More specifically, the third portion 23 can be easily formed by cutting some portions of an existing mold and changing the shape of the reinforcing rib provided in the case 13 of the current model. A supporting structure can be formed. As a result, it is possible to save enormous costs when creating a new mold and to significantly reduce manufacturing costs. In particular, in recent years, the display device 11 tends to increase in size, and many of the molds used in the display device 11 are large, and it takes a lot of money to modify or newly install the mold. The technique of the present embodiment is particularly useful in that the manufacturing cost can be significantly reduced when it is desired to employ the third portion 23 including the operation button 24 for the model currently on sale. Moreover, since it is a simple structure which does not require a screw to attach the third part 23 to the first part 21, the number of parts can be reduced and the assembly work can be made efficient.

  In this case, the third portion 23 has a contact portion 53 that is in contact with one of the first portion 21 and the second portion 22, and the contact portion 53 has the sandwiching portion 34 therebetween. A pair is provided on both sides. According to this configuration, it is possible to prevent the third portion 23 from rotating around the clamping portion 34 during the assembly process. Thereby, the assembly work of the display device 11 can be performed more smoothly.

  The sandwiching portion 34 includes a pair of end proximity portions 55 provided on the side opposite to the back portion of the groove 35, and the pair of end proximity portions 55 protrudes toward the first rib 27 and is One rib 27 is in point contact, and the width between the pair of end portions 55 is equal to the thickness dimension of the first rib 27 or slightly smaller than the thickness dimension of the first rib 27. According to this configuration, the first rib 27 can be lightly press-fitted into the groove 35 of the sandwiching portion 34, and elasticity can be exhibited at the near end portion 55. For this reason, when the 1st rib 27 is inserted with respect to the groove | channel 35 of the clamping part 34, it can prevent producing the crack in the 3rd part 23 around the groove | channel 35 of the clamping part 34. FIG. Moreover, since the 1st rib 27 is press-fit with respect to the groove | channel 35 of the clamping part 34, the 3rd part 23 can be made to stand in the middle of an assembly process, and the workability | operativity at the time of an assembly can be improved.

  The first rib 27 includes a support portion, and the support portion abuts against the third portion 23 from the inside of the case 13 to prevent the third portion 23 from falling into the case 13. According to this configuration, the third portion 23 can be prevented from falling off from the first rib 27, and the workability during assembly can be further improved. Further, by partially modifying the shape of the first rib 27, that is, by performing cutting work so that the existing mold has a support portion, it is possible to easily prevent the third portion 23 from falling off in the existing model.

  In this case, one of the first portion 21 and the second portion 22 has an engaging portion 41 that engages with the third portion 23, and the third portion 23 is engaged with the engaging portion 41. The receiving portion 54 to be joined is provided at a position opposite to the sandwiching portion 34. According to this configuration, the third portion is positioned adjacent to the first portion 21 and the second portion 22 with a simple structure that does not use screws by the fixing method via the holding portion 34 and the engaging portion 41. 23 can be fixed.

  In addition, the other of the first portion 21 and the second portion 22 has a cutout portion 38 into which the third portion 23 is fitted. The third portion 23 includes the first portion 21 and the second portion 22. The second rib 57 protrudes toward one of the portions 22, and the second rib 57 contacts the other of the first portion 21 and the second portion 22 from the inside of the case 13. Touch. Generally, when the cutout portion 38 is provided in the case 13, there is a concern that the strength in the vicinity thereof is lowered. According to the above configuration, the second rib 57 provided in the third portion 23 comes into contact with the other of the first portion 21 and the second portion 22 provided with the notch 38. For this reason, strength reduction does not occur in either one of the first portion 21 and the second portion 22. According to the above configuration, even if the user touches the periphery of the cutout portion 38, it is possible to prevent the other of the first portion 21 and the second portion 22 from being recessed inside the case 13. .

The electronic device is not limited to the display device 11 shown in the above-described embodiment, and can be applied to a display of a personal computer, a mobile phone, a fixed phone, and other electronic devices, for example. In addition, the electronic device can be variously modified and implemented without departing from the gist of the invention.
The invention described in the scope of claims at the beginning of the filing of the present application is appended below.
[1]
A display panel;
A first portion that surrounds the front surface of the display panel; a second portion that surrounds the back surface of the display panel; and the operation button provided adjacent to the first portion and the second portion. A third part including, a case having
Comprising
Either one of the first part and the second part includes a first rib that rises toward the inside of the case,
The third portion has a sandwiching portion, and the sandwiching portion is provided with a groove for sandwiching the first rib inside,
The display device characterized in that the third portion can be attached to either the first portion or the second portion via the clamping portion.
[2]
The third part has an abutting part that abuts on one of the first part and the second part, and this abutting part is paired on both sides with the clamping part in between. [1] The display device according to [1].
[3]
The sandwiching portion includes a pair of end portions provided on the opposite side of the deep portion of the groove, and the pair of end portions project toward the first rib and the first rib. Point contact with
[2] The display device according to [2], wherein a width between the pair of end portions is equal to or slightly smaller than a thickness dimension of the first rib.
[4]
The first rib includes a support portion, and the support portion contacts the third portion from the inside of the case to prevent the third portion from falling into the case. The display device according to [3].
[5]
Either one of the first part and the second part has an engaging part that engages with the third part,
The display device according to [4], wherein the third portion has a receiving portion that engages with the engaging portion at a position opposite to the clamping portion.
[6]
The other of the first part and the second part has a notch into which the third part is fitted,
The third part has a second rib protruding toward the other of the first part and the second part, and the second rib is formed from the inside of the case to the first part. The display device according to [5], wherein the display device is in contact with any one of the second portion and the second portion.
[7]
A display unit;
A first portion covering a peripheral portion of the display screen of the display unit; a second portion covering a surface of the display unit opposite to the surface having the display screen; and the first portion; A case having a third portion provided between the second portion and including a functional portion; and
Comprising
Either one of the first part and the second part includes a first rib that rises toward the inside of the case,
The third portion has a fixing portion, and the fixing portion is provided with a groove for sandwiching the first rib inside,
The electronic device, wherein the third portion can be attached to either the first portion or the second portion via the fixing portion.

DESCRIPTION OF SYMBOLS 11 ... Display apparatus, 12 ... Display panel, 13 ... Case, 21 ... 1st part, 22 ... 2nd part, 23 ... 3rd part, 24 ... Operation button, 27 ... 1st rib, 33 ... Backrest 34, clamping part, 35 ... groove, 38 ... notch part, 41 ... engaging part, 53 ... contact part, 54 ... receiving part, 55 ... near end part, 57 ... second rib

Claims (6)

A display panel;
A first portion that surrounds the front surface of the display panel; a second portion that surrounds the back surface of the display panel; and the operation portion provided adjacent to the first portion and the second portion. A third part including, a case having
Comprising
Either one of the first portion and the second portion includes a first rib protruding toward the inside of the case,
The third portion has a holding portion, and the holding portion is provided with a groove for holding the first rib on the inside, and the first portion and the second portion are interposed through the holding portion. An electronic device that can be attached to either one.   The third part has an abutting part that abuts on one of the first part and the second part, and this abutting part is paired on both sides with the clamping part in between. The electronic device according to claim 1, wherein the electronic device is provided in the electronic device. The sandwiching portion includes a pair of end portions provided on the opposite side of the deep portion of the groove, and the pair of end portions project toward the first rib and the first rib. Point contact with
3. The electronic device according to claim 2, wherein a width between the pair of end portions is equal to or slightly smaller than a thickness dimension of the first rib.   The first rib includes a support portion, and the support portion contacts the third portion from the inside of the case to prevent the third portion from falling into the case. The electronic device according to claim 3. Either one of the first part and the second part has an engaging part that engages with the third part,
The electronic device according to claim 4, wherein the third portion has a receiving portion that engages with the engaging portion at a position opposite to the sandwiching portion. The other of the first part and the second part has a notch into which the third part is fitted,
The third part has a second rib protruding toward the other of the first part and the second part, and the second rib is formed from the inside of the case to the first part. The electronic apparatus according to claim 5, wherein the electronic apparatus abuts on any one of the second portion and the second portion.

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