JP2016118662A - Display surface protective cover and image display device - Google Patents

Abstract

A display surface protective cover capable of removing dust from a display surface of an image display device main body with a simple structure and an image display device including the same are provided. A display surface protective cover 10 is provided with a gap 31 between the display surface 23 of an image display device body 20 and covers the display surface 23 so as to be transparent, and surrounds the gap 31 over the entire area. The image display device main body 20 is configured to be freely mounted. The display surface protection cover 10 includes at least one opening 13 that allows the gap 31 and the external space 33 to communicate with each other. [Selection] Figure 3

Description

  The present invention relates to a display surface protection cover attached to an image display device main body so as to protect the display surface of the image display device main body, and an image display device including the same.

  When dust adheres to the display surface of the image display device main body, the image displayed on the display surface becomes unclear. For this reason, it is desirable to periodically clean the display surface. For example, a technique for removing dust adhering to the display surface by blowing air from the housing through the air outlets provided on the entire periphery of the display surface to the display surface is known (for example, Patent Document 1). reference.). The display surface of the image display apparatus main body described in Patent Document 1 is exposed to the outside.

  In recent years, an image display device may be installed at a viewer's eye level for information display use, amusement use, business use, etc. in a public space. In this case, in order to protect the display surface of the image display device main body. Are often provided with a display surface protection cover. A conventional display surface protective cover is attached to the image display apparatus main body so as to cover the display surface by providing a gap between the display surface and the display surface, and to seal the gap. By sealing the gap, it is intended to prevent dust from entering the gap.

JP 2010-266735 A

  However, when the display surface protection cover is attached to the image display apparatus main body at the actual installation site, dust may enter the gap between the display surface and the display surface protection cover and adhere to the display surface. . In the conventional display surface protective cover, since the gap is sealed, dust attached to the display surface cannot be removed from the outside. If the display surface protection cover is removed from the image display device body to remove dust from the display surface, another dust will enter the gap and adhere to the display surface. It is difficult to remove dust from the surface.

  Note that the technique described in Patent Document 1 is applied to an image display device body whose display surface is exposed to the outside, and requires modification of the image display device body. That is, in the technique described in Patent Document 1, it is necessary to provide a fan motor in the housing of the image display apparatus main body. For this reason, there is a possibility that the structure of the image display apparatus main body is complicated, large-sized, and cost is increased.

  An object of the present invention is to provide a display surface protective cover capable of removing dust from the display surface of an image display device main body with a simple structure and an image display device including the same.

  The display surface protective cover of the present invention is provided with a gap between the display surface of the image display device main body and covers the display surface in a transparent manner, and can be attached to the image display device main body while surrounding the entire periphery of the gap. And at least one opening for communicating the gap and the external space.

  In this configuration, when the display surface protection cover is mounted on the image display apparatus main body, the dust attached to the display surface is peeled off from the display surface and dropped by blowing air into the gap portion from the opening.

  In the above-described configuration, at least one opening can be provided at each of the upper end portion and the lower end portion.

  In this configuration, air is blown into the gap from the opening at the upper end, and the air in the gap is sucked out from the opening at the lower end, so that the dust that has fallen off from the display surface is sucked into the external space together with the air in the gap. be able to.

  In addition, a plurality of openings are provided, and the plurality of openings are configured such that air in the gap circulates in one direction along the display surface when an airflow is generated that blows into the gap from the opening. Can do.

  With this configuration, dust can be removed from a wider area of the display surface, preferably from the entire area.

  Furthermore, it is formed in a polygon along the bezel around the display surface and has a plurality of corners, and the opening includes a corner-side inclined portion inclined toward the nearest corner of the plurality of corners. Further, it can be configured to have at least the end portion on the gap portion side in the length direction of the opening.

  In this configuration, dust attached to the corners of the display surface can also be peeled off from the display surface.

  Further, the opening can be configured so that the airflow is diffused in at least two directions in the gap when an airflow that blows into the gap through the opening is generated.

  In this configuration, dust can be removed from a wider area of the display surface.

  Furthermore, the opening can be configured to be shared with a hole for mounting on the image display apparatus main body.

  In this configuration, when removing dust from the display surface, the screw is extracted from the hole and air is blown into the gap from the hole, and the screw is inserted into the hole when the image display apparatus body is used. By closing, it is possible to prevent new dust from entering the gap from the external space.

  The image display device of the present invention includes an image display device main body and a display surface protective cover having any one of the above-described configurations.

  In this configuration, when the display surface protection cover is mounted on the image display apparatus main body, the dust attached to the display surface is peeled off from the display surface and dropped by blowing air into the gap portion from the opening.

  According to the present invention, dust can be removed from the display surface of the image display device body with a simple structure.

It is a perspective view of an image display apparatus provided with the display surface protection cover concerning 1st Embodiment of this invention. It is side surface sectional drawing of the display surface protection cover of the state removed from the image display apparatus main body. It is side surface sectional drawing of the display surface protection cover in the state with which the image display apparatus main body was mounted | worn. It is side surface sectional drawing of the display surface protection cover which concerns on 2nd Embodiment. It is front sectional drawing of the display surface protection cover which concerns on 2nd Embodiment. It is front sectional drawing of the display surface protection cover which concerns on 3rd Embodiment. It is front sectional drawing of the display surface protection cover which concerns on 4th Embodiment. It is front sectional drawing of the display surface protection cover which concerns on 5th Embodiment. It is a front sectional view of a part of the display surface protection cover according to the sixth embodiment. It is front sectional drawing of a part of display surface protection cover which concerns on 7th Embodiment. It is side surface sectional drawing of a part of display surface protection cover which concerns on 8th Embodiment.

  As shown in FIGS. 1 to 3, the image display device 1 including the display surface protection cover 10 according to the first embodiment of the present invention further includes an image display device body 20.

  The image display device main body 20 includes a display panel 21 and a bezel 22. The bezel 22 is attached around the display panel 21. As an example, the display panel 21 is a liquid crystal display panel. The image display device body 20 is formed in a polygonal shape. As an example, the image display device main body 20 is formed in a rectangular shape. Of the front surface of the display panel 21, a portion surrounded by the bezel 22 is a display surface 23.

  The display surface protection cover 10 includes a protection panel 11 and a frame 12, has an outer shape along the bezel 22, and is formed in a polygon that is the same shape as the image display device main body 20. The display surface protection cover 10 according to the first embodiment is formed in a rectangular shape. The display surface protection cover 10 is formed in a rectangular shape and has a plurality of corners.

  The protection panel 11 is made of a transparent member so that the display surface 23 can be visually recognized through the protection panel 11. As an example, the protection panel 11 is made of glass.

  The frame 12 has an upper side 121, a lower side 122, a left side 123, and a right side 124 along the outer edge of the protective panel 11. The frame body 12 holds the outer edge portion of the protective panel 11 over the entire circumference, and protrudes over the entire circumference in one direction orthogonal to the main surface of the protective panel 11.

  The display surface protection cover 10 is attached to the image display apparatus main body 20 by attaching the frame 12 to the bezel 22 with the seal member 32 interposed therebetween.

  The display surface protection cover 10 is attached to the image display apparatus main body 20 so as to provide a gap 31 between the protection panel 11 and the display surface 23 so as to cover the display surface 23 in a transparent manner. In a state where the display surface protection cover 10 is mounted on the image display apparatus main body 20, the periphery of the gap 31 is surrounded by the frame body 12 over the entire area.

  The frame 12 has at least one opening 13. In the display surface protection cover 10 according to the first embodiment, a plurality of openings 13 are provided on the upper side 121 of the frame 12. The opening 13 allows the gap 31 and the external space 33 to communicate with each other. The opening 13 is formed in such a size that the air nozzle 34 can be inserted. The display surface protection cover 10 is configured so that the gap 31 is sealed when the opening 13 is closed in a state in which the display surface protection cover 10 is attached to the image display apparatus main body 20.

  With the display surface protection cover 10 attached to the image display device main body 20, an air nozzle 34 of an air injection device such as an air gun is inserted from the opening 13, and air is blown into the gap 31 from the opening 13. Then, an air flow is generated in the gap portion 31, and the dust adhering to the display surface 23 is peeled off from the display surface 23 and falls. Therefore, dust can be removed from the display surface 23 of the image display apparatus main body 20 with a simple structure.

  After the cleaning operation for removing dust from the display surface 23 is completed, the opening 13 is plugged by tape application or the like, and air and dust can be prevented from entering the gap 31.

  Further, since dust can be removed from the display surface 23 without removing the display surface protection cover 10 from the image display device main body 20, it is necessary to install a clean booth in order to attach the display surface protection cover 10 to the image display device main body 20. There is no workability.

  In addition, it is preferable that the air injection device is configured to blow air from which dust is removed through a filter into the gap portion 31.

  As shown in FIGS. 4 and 5, the display surface protection cover 10 </ b> A according to the second embodiment includes at least one opening 13 in the lower side 122 in addition to the upper side 121 in the frame 12. Except for this point, the display surface protection cover 10 according to the first embodiment is configured in the same manner.

  The upper side portion 121 corresponds to the upper end portion of the display surface protection cover 10A, and the lower side portion 122 corresponds to the lower end portion. As an example, a plurality of openings 13 are provided in each of the upper side 121 and the lower side 122.

  Dust that is peeled off from the display surface 23 by blowing air into the gap 31 from the opening 13 of the upper side 121 and sucking out the air in the gap 31 with the air suction device 35 from the opening 13 of the lower side 122. Can be sucked into the external space 33 together with the air in the gap 31. Thereby, dust can be removed from the display surface 23 more efficiently.

  As shown in FIG. 6, the display surface protection cover 10 </ b> B according to the third embodiment includes at least one opening 13 in the left side 123 and the right side 124 in addition to the upper side 121 and the lower side 122. Except for this point, the display surface protection cover 10A according to the second embodiment is configured in the same manner. As an example, a plurality of openings 13 are provided in each of the upper side 121, the lower side 122, the left side 123, and the right side 124.

  For example, the display surface protective cover 10B is operated as follows. Air is blown into the gap 31 from the opening 13 in the upper side 121, and the air in the gap 31 is sucked out from the opening 13 in the lower side 122 by the air suction device 35. Further, air is blown into the gap 31 from the opening 13 provided on the upper side of the opening 13 of the left side 123 and the opening 13 provided on the upper side of the opening 13 of the right side 124. Air in the gap 31 is sucked out from the other openings 13 in the left side 123 and the right side 124. As a result, dust can be removed from the display surface 23 more efficiently in every corner.

  As shown in FIG. 7, the display surface protection cover 10 </ b> C according to the fourth embodiment includes a plurality of openings 13 provided in different directions, and the plurality of openings 13 extends from the openings 13 to the gaps 31. Display surface protective cover 10 according to the first embodiment, except that the air in the gap 31 is configured to circulate in one direction along the display surface 23 when an air flow blown into the It is constituted similarly.

  Preferably, the display surface protection cover 10 </ b> C includes at least one opening 13 on at least two sides of the upper side 121, the lower side 122, the left side 123, and the right side 124. More preferably, the display surface protection cover 10 </ b> C includes one opening 13 in each of the upper side 121, the lower side 122, the left side 123, and the right side 124.

  More preferably, the display surface protection cover 10 </ b> C includes one opening 13 in each of the upper side 121, the lower side 122, the left side 123, and the right side 124, and each of the openings 13 of the sides 121 to 124 includes The side portions 121 to 124 are provided at the end portions that are separated from each other. Specifically, the display surface protection cover 10 </ b> C includes openings 13 at the right end of the upper side 121, the left end of the lower side 122, the upper end of the left side 123, and the lower end of the right side 124. The display surface protection cover 10 </ b> C may be configured to include the opening 13 at the left end of the upper side 121, the right end of the lower side 122, the lower end of the left side 123, and the upper end of the right side 124. it can.

  In the display surface protection cover 10 </ b> C, air in the gap 31 is circulated in one direction along the display surface 23 by blowing air into the gap 31 from the opening 13.

  According to the display surface protection cover 10 </ b> C, the air in the gap 31 is circulated in one direction along the display surface 23, so that dust can be peeled from a wider area, preferably the entire area of the display surface 23. .

  As shown in FIG. 8, the display surface protection cover 10 </ b> D according to the fifth embodiment includes side portions 121 adjacent to each other of the side portions 121 to 124 in addition to the opening portion 13 of the display surface protection cover 10 </ b> C shown in FIG. 7. At least one opening 14 similar to the opening 13 is provided in each of the side parts 121 to 124 except for the vicinity of the opening 13 provided in .about.124. Specifically, the display surface protection cover 10 </ b> D includes a portion excluding the left end portion of the upper side portion 121, a portion excluding the right end portion of the lower side portion 122, a portion excluding the lower end portion of the left side portion 123, and the right side Openings 13 and 14 are provided in a portion excluding the upper end portion of the portion 124.

  In the display surface protection cover 10 </ b> D, air is blown into the gap 31 from the opening 13, and air in the gap 31 is sucked out from the opening 14.

  According to the display surface protection cover 10 </ b> D, the air in the gap 31 is circulated in one direction along the display surface 23, whereby dust can be peeled off from a wider area of the display surface 23, and the display surface 23 can be removed. The dust that has been peeled off can be sucked into the external space 33 together with the air in the gap 31.

  Further, since the opening 14 for sucking out air is not provided in the vicinity of the opening 13 for blowing air, the air in the gap 31 is circulated more smoothly in one direction along the display surface 23. be able to.

  As shown in FIG. 9, in the display surface protection cover 10 </ b> E according to the sixth embodiment, the opening 13 is an angle inclined toward the nearest corner 15 among the plurality of corners formed by the frame body 12. The side inclined portion 131 is provided at least at the end portion on the gap portion 31 side in the length direction of the opening portion 13.

  The corner-side inclined portion 131 is inclined toward the angle α and the nearest corner 15 with respect to the direction orthogonal to the sides 121 to 124 in which the opening 13 is provided.

  According to the display surface protection cover 10E, since air flows easily to the corner portion 15 by blowing air from the opening 13 into the gap portion 31, dust adhering to the corner portion 15 of the display surface 23 is also displayed on the display surface. 23 can be peeled off.

  As shown in FIG. 10, in the display surface protection cover 10 </ b> F according to the seventh embodiment, when the air flow that blows into the gap 31 through the opening 13 is generated in the opening 13, the air flows into the gap 31. It is formed so as to be diffused in at least two directions. As an example, the opening 13 includes a corner-side inclined portion 131 and a central-side inclined portion 132 that is inclined to the opposite side of the corner-side inclined portion 131 at the end on the gap portion 31 side in the length direction of the opening 13. Have. In addition, it can also be set as the structure which blows in 3 directions or more, or the structure which blows in a cone shape.

  According to the display surface protection cover 10 </ b> F, dust can be removed from a wider area of the display surface 23.

  As shown in FIG. 11, in the display surface protection cover 10G according to the eighth embodiment, the opening 13 is shared with the hole 36 for attaching the display surface protection cover 10G to the image display device main body 20. It is configured.

  In the display surface protection cover 10G, an internal thread is cut in the opening 13. The display surface protection cover 10 </ b> G is attached to the image display apparatus main body 20 by a mounting bracket 37. One end of the mounting bracket 37 is attached to the image display apparatus main body 20 with a screw, and has a hole 36 for inserting the screw into the other end. The mounting bracket 37 is overlaid on the frame 12 so that the hole 36 communicates with the opening 13, and the screw 38 is attached to the opening 13 through the hole 36. It is attached to. The display surface protection cover 10 </ b> G has a plurality of openings 13, and the display surface protection cover 10 </ b> G is attached to the image display apparatus main body 20 with a plurality of mounting brackets 37.

  When removing dust from the display surface 23, the screw 38 is pulled out from the hole 36 and air is blown into the gap through the hole 36 and the opening 13. When the image display device main body 20 is used, the hole 36 and the opening are removed. By inserting the screw 38 into the portion 13 and closing the hole portion 36 and the opening portion 13, new dust can be prevented from entering the gap portion 31 from the external space 33.

  Since the mounting bracket 37 has a plurality of holes 36, even if the screws 38 are pulled out from some of the plurality of holes 36 of the mounting bracket 37, the mounting bracket 37 remains on the display surface protection cover. It will not deviate from 10G.

  It is conceivable to construct a new embodiment by combining the technical features of the above-described embodiments.

  The above description of the embodiment is to be considered in all respects as illustrative and not restrictive. The scope of the present invention is shown not by the above embodiments but by the claims. Furthermore, the scope of the present invention is intended to include all modifications within the meaning and scope equivalent to the scope of the claims.

DESCRIPTION OF SYMBOLS 1 Image display apparatus 10, 10A, 10B, 10C, 10D, 10E, 10F, 10G Display surface protection cover 11 Protection panel 12 Frame 13, 14 Opening part 20 Image display apparatus main body 21 Display panel 22 Bezel 23 Display surface 31 Gap part 33 External space 36 Hole

Claims (7)

  A gap portion is provided between the display surface of the image display device main body and the display surface is covered so as to be transparent. The gap is surrounded by the entire area, and can be attached to the image display device main body. A display surface protection cover, comprising at least one opening for communicating the portion and the external space.   The display surface protective cover according to claim 1, wherein at least one opening is provided at each of an upper end and a lower end. A plurality of the openings are provided,
The plurality of openings are configured so that air in the gap circulates in one direction along the display surface when an airflow is generated from the openings into the gap. The display surface protective cover according to 2. A plurality of corners formed in a polygon along a bezel around the display surface;
The opening has an angle-side inclined portion that is inclined toward the nearest corner of the plurality of corners at least at the end on the gap side in the length direction of the opening. Or the display surface protection cover of 2.   5. The opening according to claim 4, wherein the air flow is formed to diffuse in at least two directions in the gap when an air flow that blows into the gap through the opening is generated. Display surface protection cover.   The display surface protective cover according to claim 1, wherein the opening is shared with a hole for mounting on the image display apparatus main body. An image display device body;
An image display device comprising: the display surface protective cover according to claim 1.

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