JP2014228672A - Front housing fixing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a front housing fixing structure capable of improving the design property and improving the assembling workability and repairing workability.SOLUTION: The front housing structure includes: a liquid crystal panel 4; a front housing 1 that has an engaging piece 1d as an engaging object and covers a peripheral part of the liquid crystal panel 4; a back cover 3 for covering the back surface of the liquid crystal panel 4; and a fixing member 2 that has an engaging section 2d engageable with the engaging piece 1d of the front housing 1, and grasps the liquid crystal panel 4 with the front housing 1 to fix it in the engagement state of the engaging section 2d with the engaging piece 1d.

Description

  The present invention relates to a fixing structure for a design housing such as a front bezel employed in a liquid crystal display device or the like.

  In the conventional front case fixing structure, the front case that covers the periphery of the liquid crystal panel and the back cover that covers the back of the liquid crystal panel are screwed directly, or the front case and the back cover are fitted with claws. By doing so, it is possible to ensure the designability and improve the designability in the front view and the side view of the entire product, and to increase the rigidity of the product. Here, the design property refers to the warp of the front housing, the floating of the front housing with respect to the back cover, and the small gap between the front housing and the back cover.

  In order to enhance the design of the product and to secure a stronger rigidity, it is common to provide a plurality of screws, a plurality of fitting ribs or a plurality of fitting claws with an arbitrary interval. Such a front case fixing structure is disclosed in Patent Document 1, for example.

JP 2008-258750 A

  In the conventional front case fixing structure, it is important to suppress the warp of the front case, the floating of the front case with respect to the back cover and the gap between the front case and the back cover, and increase the rigidity of the entire product. Therefore, in the case of a fixing structure using screw fixing, a large number of screws are required, and there is a problem that it is difficult to improve assembly workability and repair workability.

  In addition, in the case of a fixed structure using claw fitting, if the fitting is loosened to improve the assembly workability and repair workability, the user can easily remove it, while the user cannot easily remove it. However, there is a problem that assembly workability and repair workability deteriorate.

  Therefore, an object of the present invention is to provide a front housing fixing structure capable of improving design properties and improving assembly workability and repair workability.

  A front case fixing structure according to the present invention includes a liquid crystal panel, a front case having an engaged portion and covering a peripheral portion of the liquid crystal panel, a back cover covering the back surface of the liquid crystal panel, The liquid crystal panel can be engaged with the front housing in a state where the engaging portion is engageable with the engaged portion of the front housing, and the engaging portion and the engaged portion are engaged. And a fixing member that is sandwiched and fixed.

  According to the present invention, since the liquid crystal panel is sandwiched and fixed between the fixing member and the front case in a state where the engaging portion and the engaged portion are engaged, the front case is disposed on the liquid crystal panel side via the fixing member. Be drawn to. For this reason, it is possible to suppress the warpage of the front housing, the floating of the front housing with respect to the back cover, the gap between the front housing and the back cover, and the like, and the design of the product can be improved. In addition, since the liquid crystal panel is sandwiched between the fixing member and the front casing, it can be firmly fixed at a smaller number of fixing points than in the conventional fixing structure, so that assembly workability and repair workability can be improved.

2 is an exploded perspective view of a front housing fixing structure according to Embodiment 1. FIG. It is a perspective view of a fixing member. (A) It is explanatory drawing which shows the state before attachment in the attachment method of the fixing member with respect to the engagement piece of a front housing | casing. (B) It is explanatory drawing which shows the state after attachment in the attachment method of the fixing member with respect to the engagement piece of a front housing | casing. It is a perspective view of a front case fixing structure in the state where a back cover was removed. It is sectional drawing of a front housing fixing structure. It is a perspective view of a front housing fixing structure. FIG. 6 is a cross-sectional view of a front housing fixing structure according to a modification of the first embodiment. 6 is a perspective view of a fixing member of a front housing fixing structure according to Embodiment 2. FIG. It is sectional drawing of a fixing member. It is explanatory drawing which shows the state before attachment in the attachment method of the fixing member with respect to the engagement piece of a front housing | casing. (B) It is explanatory drawing which shows the state after attachment in the attachment method of the fixing member with respect to the engagement piece of a front housing | casing. It is sectional drawing of a front housing fixing structure.

<Embodiment 1>
Embodiment 1 of the present invention will be described below with reference to the drawings. 1 is an exploded perspective view of a front housing fixing structure according to Embodiment 1, FIG. 2 is a perspective view of a fixing member 2, and FIG. 3 (a) is an engagement piece of the front housing 1. FIG. FIG. 3B is an explanatory diagram showing a state before attachment in the attaching method of the fixing member 2 to 1d, and FIG. 3B shows a state after attachment in the attaching method of the fixing member 2 to the engaging piece 1d of the front housing 1. FIG. 4 is a perspective view of the front case fixing structure with the back cover 3 removed, and FIG. 5 is engaged with the elongated hole 2e of the fixing member 2 in the front case fixing structure. FIG. 6 is a sectional view through the hole 1e of the piece 1d, and FIG. 6 is a perspective view of the front housing fixing structure.

  As shown in FIGS. 1 and 3 to 6, the front case fixing structure is employed in a liquid crystal display device, for example, and includes a front case 1, a liquid crystal panel 4, a back cover 3, and a fixing member 2. ing. The front housing 1 is formed in a frame shape having an opening 1a, and covers the peripheral edge of the liquid crystal panel 4 (peripheral edge of the display surface of the liquid crystal panel 4) with an opening edge 1b around the opening 1a. A peripheral wall 1c is formed on the outer peripheral portion of the front housing 1 (the outer peripheral side of the opening edge portion 1b), and an engagement piece 1d (engaged with the fixing member 2) at the end of the peripheral wall 1c on the back cover 3 side. A plurality of engaged portions) are formed at predetermined intervals.

  More specifically, the engaging piece 1d is formed on the inner surface side of the end portion of the peripheral wall 1c on the back cover 3 side so as to extend toward the back cover 3, and opens from the peripheral wall 1c by the thickness of the engaging piece 1d. It is the aspect protruded to the 1a side. A rectangular hole 1e is formed at the center of the engagement piece 1d. In a state where the liquid crystal panel 4 is disposed on the front housing 1, a guide portion 1f is formed over the entire periphery between the liquid crystal panel 4 and the peripheral wall 1c at the opening edge portion 1b, and the fixing member 2 is attached to the guide portion 1f. It has been. The guide portion 1f may be formed only in the peripheral region of the engagement piece 1d between the liquid crystal panel 4 and the peripheral wall 1c at the opening edge 1b.

  Next, the fixing member 2 will be described. As shown in FIGS. 2 to 6, the fixing member 2 is formed using, for example, a metal plate, and is engaged with a first plate piece portion 2 a, a second plate piece portion 2 b, a pair of positioning receiving portions 2 c, and Part 2d. The first plate piece portion 2a is formed in a flat plate shape, and the second plate piece portion 2b is extended from the one end portion of the first plate piece portion 2a so as to extend to the proximal end side of the peripheral wall 1c of the front housing 1. Is formed.

  In the second plate piece portion 2b, the length from the base end to the tip is formed to be substantially the same as the thickness of the liquid crystal panel 4, and the side surface of the liquid crystal panel 4 can be held using the second plate piece portion 2b. It is possible. In the first plate piece portion 2a, the length from the base end to the tip end is formed to be longer than the length from the base end to the tip end in the second plate piece portion 2b, and liquid crystal is formed using the first plate piece portion 2a. It is possible to sandwich the back side of the panel 4.

  As shown in FIGS. 2 and 5, the tip end portion of the second plate piece portion 2 b is formed so as to be thicker than the portion of the second plate piece portion 2 b excluding the tip portion. More specifically, the tip of the second plate piece portion 2b is formed to have a plate thickness that is thinner than the width of the guide portion 1f and thicker than the gap between the liquid crystal panel 4 and the engagement piece 1d. Has been. For this reason, the front-end | tip part of the 2nd plate piece part 2b is inserted in the guide part 1f, and the fixing member 2 can slide along the guide part 1f via the front-end | tip part of the 2nd plate piece part 2b. . Moreover, since the front-end | tip part of the 2nd board piece part 2b cannot pass to the back cover 3 side through the clearance gap between the liquid crystal panel 4 and the engagement piece 1d, the dropping of the fixing member 2 can be prevented.

  As shown in FIGS. 2 and 4, the second plate piece portion 2 b is opened between the distal end portion and the proximal end portion in parallel with the extending direction of the guide portion 1 f (in other words, the sliding direction of the fixing member 2). An engaging portion 2d is formed, and the engaging portion 2d is formed to have a size larger than the outer shape of the engaging piece 1d so that the fixing member 2 can be slid and smoothly engaged with the engaging piece 1d. A pair of positioning receiving portions 2c protruding toward the back cover 3 are formed at opposite positions at the end of the first plate piece 2a opposite to the side where the second plate piece 2b is formed. . The first plate piece 2a has a long hole 2e at a position corresponding to the screw hole 4a formed in the liquid crystal panel 4.

  The back cover 3 is attached to the back side of the front housing 1 in a state of covering the liquid crystal panel 4. As shown in FIG. 6, the back cover 3 is provided with a contact portion 3 a and a pair of positioning ribs 3 b that are used when the back cover 3 is attached so as to protrude toward the liquid crystal panel 4. When the back cover 3 is attached, the abutting portion 3 a of the back cover 3 abuts on the first plate piece 2 a of the fixing member 2, and the fixing member 2 is sandwiched between the liquid crystal panel 4 and the back cover 3. The front housing 1 is structured to be drawn toward the liquid crystal panel 4 via the. As a result, it is possible to suppress warping of the front housing 1, floating of the front housing 1 with respect to the back cover 3, a gap between the front housing 1 and the back cover 3, and the like, and it is possible to improve product design. Become.

  Further, when the back cover 3 is attached, the end portions of the pair of positioning ribs 3 b of the back cover 3 come into contact with the inner surfaces of the pair of positioning receiving portions 2 c of the fixing member 2, thereby positioning the back cover 3. Thereby, since the back cover 3 can be attached to the front housing 1 at an accurate position, the back cover 3 can be prevented from falling off. In addition, it is also possible to give the function of the contact part 3a to the positioning rib 3b. In this case, for example, it can be realized by integrally forming the positioning rib 3b and the contact portion 3a.

  Next, a method for attaching and removing the fixing member 2 will be described. When the fixing member 2 is attached to the front casing 1, the fixing member 2 is disposed around the engaging piece 1 d in the guide portion 1 f of the front casing 1 as shown in FIG. Next, after disposing the liquid crystal panel 4 at the opening edge 1b of the front housing 1, as shown in FIG. 3B, the fixing member 2 is slid along the guide portion 1f and fixed to the engaging piece 1d. The engaging portion 2d of the member 2 is engaged. As shown in FIGS. 4 and 5, the liquid crystal panel 4 is sandwiched and fixed between the front housing 1 and the fixing member 2 in a state where the engaging piece 1 d and the engaging portion 2 d are engaged. At this time, the distal end portion of the second plate piece portion 2b of the fixing member 2 cannot pass to the back side of the liquid crystal panel 4 through the gap between the liquid crystal panel 4 and the engaging piece 1d. Do not fall off.

  Then, the back cover 3 is attached by the method described above. At this time, the outer end portion of the back cover 3 is inserted from the outside into the hole 1e formed in the central portion of the engagement piece 1d.

  On the other hand, when removing the fixing member 2 from the front housing 1, after removing the back cover 3, the fixing member 2 is fixed to the engaging piece 1d by sliding the fixing member 2 in the direction away from the engaging piece 1d along the guide portion 1f. The engagement of the member 2 with the engaging portion 2d is released. Thereby, it becomes possible to remove the liquid crystal panel 4 sandwiched and fixed between the front housing 1 and the fixing member 2 to be removed.

  As described above, in the front casing fixing structure according to the first embodiment, the fixing member 2 and the front casing are in a state where the engaging portion 2d of the fixing member 2 and the engaging piece 1d of the front casing 1 are engaged. 1, the front casing 1 is pulled toward the liquid crystal panel 4 via the fixing member 2. For this reason, it is possible to suppress the warp of the front housing 1, the floating of the front housing 1 with respect to the back cover 3, the gap between the front housing 1 and the back cover 3, and the like, and to improve the design of the product. Become. In addition, since the liquid crystal panel 4 is sandwiched between the fixing member 2 and the front housing 1, it can be firmly fixed with fewer fixing points than the conventional fixing structure, so that it is possible to improve assembly workability and repair workability. .

  The front housing 1 is formed in a frame shape having an opening 1a, and has an engagement piece 1d protruding from the outer peripheral portion toward the opening 1a, and an opening edge 1b around the opening 1a. The fixing member 2 is configured to be slidable along the guide portion 1 f of the front housing 1, and the engaging portion 2 d of the fixing member 2 is slid on the fixing member 2. It was opened in parallel with the direction and formed to be able to engage with the engaging piece 1d.

  Therefore, the engagement between the engaging portion 2d of the fixing member 2 and the engaging piece 1d of the front housing 1 and the disengagement thereof are simply performed by sliding the fixing member 2 along the guide portion 1f. As a result, assembly workability and repair workability can be further enhanced.

  As shown in FIG. 7, the liquid crystal panel 4 and the back cover 3 may be fixed using screws 6. FIG. 7 is a cross-sectional view of a front housing fixing structure according to a modification of the first embodiment. When attaching the back cover 3, the fixing member 2 is sandwiched between the liquid crystal panel 4 and the back cover 3, and then the screw 6 is inserted through the screw hole 3 c formed in the back cover 3 and the long hole 2 e of the fixing member 2. By fastening to the screw hole 4 a and fixing the back cover 3 to the liquid crystal panel 4, the front housing 1 is further pulled toward the liquid crystal panel 4 via the fixing member 2.

<Embodiment 2>
Next, the front housing fixing structure according to the second embodiment will be described. 8 is a perspective view of a fixing member of the front case fixing structure according to the second embodiment, FIG. 9 is a cross-sectional view of the fixing member 12, and FIG. It is explanatory drawing which shows the state before attachment in the attachment method of the fixing member 12 with respect to the joint piece 1d, FIG.10 (b) is the state after attachment in the attachment method of the fixing member 12 with respect to the engagement piece 1d of the front housing | casing 1. FIG. FIG. 11 is a cross-sectional view through the long hole 12g of the fixing member 12 and the hole 1e of the engagement piece 1d in the front housing fixing structure. In the second embodiment, the same components as those described in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  As shown in FIGS. 8 to 11, the front housing fixing structure according to the second embodiment includes a front housing 1, a liquid crystal panel 4, a back cover 3, and a fixing member 12. The shape of the fixing member 12 is different from that of the fixing member 2 described in the first embodiment. The fixing member 12 is formed using, for example, a metal plate, and includes a first plate piece portion 12a, a second plate piece portion 12b, a pair of positioning receiving portions 12c, an engagement hole 12d, and an engagement holding portion 12e. It has. The first plate piece portion 12a is formed in a flat plate shape, and the second plate piece portion 12b is formed to extend from the one end portion of the first plate piece portion 12a so as to extend to the proximal end side of the peripheral wall 1c of the front housing 1. Has been.

  In the second plate piece 2b, the length from the base end to the tip is formed to be substantially the same as the thickness of the liquid crystal panel 4, and the side surface of the liquid crystal panel 4 can be held using the second plate piece 12b. It is possible. In the first plate piece portion 12a, the length from the base end to the tip end is formed to be longer than the length from the base end to the tip end in the second plate piece portion 12b, and liquid crystal is formed using the first plate piece portion 12a. It is possible to sandwich the back side of the panel 4.

  An engagement hole 12d that can be engaged with the engagement piece 1d of the front housing 1 is formed at the center of the second plate piece 12b. The engagement hole 12d is formed in a size larger than the outer shape of the engagement piece 1d so as to be able to smoothly engage with the engagement piece 1d. The fixing member 12 is a member having higher strength than the fixing member 2 because it is not opened in parallel with the sliding direction and is not cantilevered like the fixing member 2 of the first embodiment. In the first plate piece portion 12a, a pair of positioning receiving portions 12c protruding toward the back cover 3 are formed at opposite positions on the end opposite to the side on which the second plate piece portion 12b is formed. The first plate piece 12a has a long hole 12g at a position corresponding to the screw hole 4a formed in the liquid crystal panel 4.

  At the peripheral edge of the engagement hole 12d, an engagement holding portion 12e is formed on the proximal end side of the engagement piece 1d, that is, at the distal end portion of the second plate piece 2b so as to be elastically deformable. The engagement holding part 12e is formed in the same plate | board thickness as parts other than the engagement holding part 12e in the 2nd board piece part 12b. In addition, the engagement holding portion 12e is provided via an inclined surface 12f (deformation promoting portion) that is inclined toward the peripheral wall 1c toward the proximal end side of the second plate piece portion 12b from the distal end of the second plate piece portion 12b. The peripheral edge of the engagement hole 12d is formed in a shape projecting to the peripheral wall 1c side of the front housing 1 up to the tip end side of the second plate piece 12b.

  Here, in the second embodiment, by inserting the engagement holding portion 12e from the liquid crystal panel 4 side, the engagement portion of the fixing member 12 and the engagement piece 1d of the front housing 1 are engaged, and the fixing member 12 is engaged. Is slid along the guide portion 1f, and the engagement between the engaging portion of the fixing member 12 and the engaging piece 1d of the front housing 1 is released. The inclined surface 12f promotes deformation in the direction opposite to the protruding direction (elastic deformation direction) of the engagement holding portion 12e, thereby fulfilling a guide function when the engagement holding portion 12e is inserted from the liquid crystal panel 4 side. .

  Next, a method for attaching and removing the fixing member 12 will be described. When the fixing member 12 is attached to the front housing 1, as shown in FIG. 10A, after the liquid crystal panel 4 is disposed on the opening edge 1 b of the front housing 1, the fixing member 12 is moved from the liquid crystal panel 4 side to the front. Attach to the housing 1. More specifically, a guide portion 1g extending perpendicularly to the extending direction of the peripheral wall 1c is formed in the peripheral region of the engagement piece 1d inside the peripheral wall 1c of the front housing 1. The engagement holding part 12e is inserted from the liquid crystal panel 4 side along the guide part 1g in a state where the second plate piece part 12b is positioned on the guide part 1g, but the inclined surface 12f of the engagement holding part 12e is formed on the liquid crystal panel. When the inclined surface 12f abuts against the inner surface of the engagement piece 1d when passing through the gap between the engagement piece 1d and the engagement piece 1d, the deformation of the engagement holding portion 12e toward the liquid crystal panel 4 is promoted. The holding part 12e is inserted into the guide part 1f.

  As shown in FIGS. 10B and 11, in a state where the engagement holding portion 12 e is inserted into the guide portion 1 f, the engagement holding portion 12 e is elastically restored to the peripheral wall 1 c side of the front housing 1. It protrudes and contacts the peripheral wall 1c. Thereby, the engagement piece 1d and the engagement hole 12d are engaged, and this engagement state is maintained. In a state where the engagement piece 1d and the engagement hole 12d are engaged, the liquid crystal panel 4 is sandwiched and fixed between the front housing 1 and the fixing member 12. At this time, the engagement holding part 12e of the fixing member 12 protrudes toward the peripheral wall 1c side of the front housing 1 by elastic recovery. More specifically, the engagement holding portion 12c of the fixing member 12 is in contact with the peripheral wall 1c of the front housing 1 or is located at a position having a minute gap with respect to the peripheral wall 1c. It cannot pass to the back side of the liquid crystal panel 4 through the gap with the joining piece 1d, and the fixing member 12 does not fall off.

  Then, the back cover 3 is attached by the method described in the first embodiment. At this time, the outer end portion of the back cover 3 is inserted from the outside into the hole 1e formed in the central portion of the engagement piece 1d.

  On the other hand, the case where the fixing member 12 is removed from the front housing 1 will be described. The fixing member 12 is configured to be slidable along the guide portion 1f. In other words, even when the engagement holding portion 12e is in contact with the peripheral wall 1c, the fixing member 12 moves along the guide portion 1f against the pressing force against the peripheral wall 1c based on the elastic restoring force of the engagement holding portion 12e. It is possible to slide.

  For this reason, after removing the back cover 3, the fixing member 12 is slid along the guide portion 1f in a direction away from the engaging piece 1d, thereby engaging the engaging piece 1d with the engaging portion of the fixing member 12. Is released. Thereby, it is possible to remove the liquid crystal panel 4 that has been sandwiched and fixed between the front casing 1 and to remove the fixing member 12. The engagement hole 12d and the engagement holding part 12e correspond to the engagement part.

  As described above, in the front case fixing structure according to the second embodiment, the front case 1 is formed in a frame shape having the opening 1a, and the engagement piece 1d that protrudes from the outer peripheral portion toward the opening 1a is provided. The fixing member 12 is configured to be disposed at an opening edge 1b around the opening 1a of the front housing 1, and the engaging portion of the fixing member 12 is an engaging hole that can engage with the engaging piece 1d. 12d and an engagement holding portion 12e provided on the base end side of the engagement piece 1d at the peripheral edge portion of the engagement hole 12d and formed to be elastically deformable. The engagement state between the engagement piece 1d and the engagement hole 12d was held using the elastic restoring force of the engagement holding portion 12e in the state of being arranged at the opening edge 1b.

  Therefore, the engagement holding portion 12e is inserted into the guide portion 1f through the gap between the liquid crystal panel 4 and the engagement piece 1d by using the elastic deformation of the engagement holding portion 12e, so that the engagement of the fixing member 12 is achieved. It is possible to easily engage the engagement portion 1d with the engagement piece 1d of the front housing 1, and it is possible to further improve the assembly workability and the repair workability.

  In addition, since the engagement holding portion 12e includes the inclined surface 12f that is a deformation promoting portion that promotes deformation in the direction opposite to the elastic deformation direction of the engagement holding portion 12e, the liquid crystal panel 4 side of the engagement holding portion 12e. The engagement holding portion 12e can be easily inserted into the guide portion 1f, and the assembly workability and the repair workability can be further improved.

  The front housing 1 includes a guide portion 1f formed at least in the peripheral region of the engagement piece 1d at the opening edge portion 1b, and the fixing member 12 resists the elastic restoring force of the engagement holding portion 12e. Since it is configured to be slidable along the guide portion 1 f of the housing 1, the engaging member of the fixing member 12 and the engaging piece 1 d of the front housing 1 are slid by sliding the fixing member 12 along the guide portion 1 f. Thus, the assembly workability and repair workability can be further improved.

  Note that, similarly to the case of FIG. 7 described in the first embodiment, the liquid crystal panel 4 and the back cover 3 may be fixed using screws. When attaching the back cover 3, the fixing member 12 is sandwiched between the liquid crystal panel 4 and the back cover 3, and then screws are screwed through the screw holes 3 c formed in the back cover 3 and the long holes 12 g of the fixing member 12. By fastening to the hole 4a and fixing the back cover 3 to the liquid crystal panel 4, the front housing 1 is further pulled toward the liquid crystal panel 4 via the fixing member 12.

  It should be noted that the present invention can be freely combined with each other within the scope of the invention, and each embodiment can be appropriately modified or omitted.

  DESCRIPTION OF SYMBOLS 1 Front housing | casing, 1a opening, 1b opening edge part, 1d engaging piece, 1f guide part, 2 fixing member, 2d engaging part, 3 back cover, 4 liquid crystal panel, 6 screw, 12 fixing member, 12d engaging hole , 12e engagement holding part, 12f inclined surface.

Claims (6)

LCD panel,
A front housing having an engaged portion and covering a peripheral edge of the liquid crystal panel;
A back cover covering the back of the liquid crystal panel;
The liquid crystal panel has an engaging portion that can be engaged with the engaged portion of the front housing, and the liquid crystal panel is engaged with the front housing in a state where the engaging portion and the engaged portion are engaged. A fixing member that sandwiches and fixes,
Front housing fixing structure with The front casing is formed in a frame shape having an opening, and protrudes from the outer peripheral portion to the opening side, and at an opening edge around the opening, at least in a peripheral region of the engaging piece. A formed guide part,
The fixing member is configured to be slidable along the guide portion of the front housing,
The front housing fixing structure according to claim 1, wherein the engaging portion of the fixing member is opened in parallel with a sliding direction of the fixing member and is formed to be engageable with the engaging piece. The front housing is formed in a frame shape having an opening, and includes an engagement piece that protrudes from the outer periphery to the opening side,
The fixing member is configured to be arranged at an opening edge portion around the opening of the front housing,
The engaging portion of the fixing member is provided on the proximal end side of the engaging piece at the peripheral portion of the engaging hole, and is capable of elastic deformation. An engagement holding portion formed,
The engagement state between the engagement piece and the engagement hole is held using the elastic restoring force of the engagement holding portion in a state where the fixing member is disposed at the opening edge portion of the front housing. The front housing fixing structure according to claim 1.   The front housing fixing structure according to claim 3, wherein the engagement holding portion includes a deformation promoting portion that promotes deformation in a direction opposite to an elastic deformation direction of the engagement holding portion. The front housing includes a guide portion formed at least in a peripheral region of the engagement piece at the opening edge portion,
The front housing fixing structure according to claim 4, wherein the fixing member is configured to be slidable along the guide portion of the front housing against an elastic restoring force of the engagement holding portion.   The front housing fixing structure according to claim 1, further comprising a screw for fixing the liquid crystal panel and the back cover.

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