JP2019117327A - Display device - Google Patents

Abstract

To suppress the ingress of dust into a space between panels and facilitate assembling.SOLUTION: The present invention comprises: a display panel 21 for displaying a video; a frame part 22 covering the outer circumference of the display panel 21; a touch panel arranged facing the display panel 21; and an adhesive tape 4 interposed between the frame part 22 and the touch panel, for adhering the frame part 22 and the touch panel together. A communication path S1, a communication path S2 and a communication path S3 for communicating with the outside of the frame part 22 by a space enclosed by the frame part 22, the touch panel and the adhesive tape 4 are constituted at a corner 221A, a corner 221B and a corner 221C of the frame part 22. The frame part 22 includes a positioning part 223 at an other corner 221D that is a non-adhesive area of the adhesive tape 4 and at which the frame part 22 is exposed.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a display device.

  For example, a display device in which a display panel having a display surface and a touch panel are bonded, such as an AV integrated car navigation system or a car audio, is known (see, for example, Patent Document 1). According to the technology described in Patent Document 1, the touch panel main body is attached only partially to the front surface of the frame-shaped liquid crystal cover, and a dustproof spacer closely contacting the touch panel main body is interposed in the remaining non-adhered portion.

JP, 2005-242423, A

  A space is formed between the bonded display panel and the touch panel. In order to prevent condensation in the space between the panels, it is necessary to secure a flow path of air between the space and the outside. However, depending on the size or shape of the flow path, dust may enter the space from the outside. Therefore, it is desirable to suppress the entry of dust into the space.

  In addition, when the touch panel is positioned with respect to the display panel at the time of assembling the display device, if the touch panel contacts the adhesive member on the display panel, adjustment of the position of the touch panel may be difficult. Therefore, it is desirable to make it possible to adjust the position of the touch panel and to facilitate the assembly.

  This invention is made in view of the above, Comprising: The penetration | invasion of the dust to the space part between panels is suppressed, and it aims at making an assembly | attachment easy.

  In order to solve the problems described above and to achieve the object, a display device according to the present invention is provided with a display panel for displaying an image, a frame portion covering the outer periphery of the display panel, and the display panel facing the display panel A cover panel, and an adhesive member interposed between the frame and the cover panel to bond the frame and the cover panel together, and the frame at a corner thereof The space surrounded by the cover panel and the adhesive member constitutes a communication passage communicating with the outside of the frame, and the frame is a non-adhered area of the adhesive member at the other corner, It is characterized by having a positioning part in which the frame part is exposed.

  ADVANTAGE OF THE INVENTION According to this invention, it is effective in the ability to suppress the penetration | invasion of the dust to the space part between panels, and to make an assembly | attachment easy.

FIG. 1 is a front view showing a display panel and an adhesive member of the display device according to the first embodiment. FIG. 2 is an exploded perspective view of the display device according to the first embodiment. FIG. 3 is a partially enlarged view showing the display panel and the bonding member at the corner of the display device according to the first embodiment. FIG. 4 is a partially enlarged view showing the display panel and the bonding member at the corner of the display device according to the first embodiment. FIG. 5 is a partially enlarged view showing the display panel and the bonding member at the corner of the display device according to the first embodiment. FIG. 6 is a partially enlarged view showing the display panel and the bonding member at the corner of the display device according to the first embodiment. FIG. 7 is a cross-sectional view of the display device according to the first embodiment. FIG. 8 is a cross-sectional view of the display device according to the first embodiment. FIG. 9 is a partially enlarged view showing a display panel and an adhesive member at a corner of a display device according to a second embodiment. FIG. 10 is a partially enlarged view showing a display panel and an adhesive member in a corner of a display device according to a third embodiment.

  Hereinafter, an embodiment of a display device 1 according to the present invention will be described in detail with reference to the accompanying drawings. Note that the present invention is not limited by the following embodiments.

  FIG. 1 is a front view showing a display panel and an adhesive member of the display device according to the first embodiment. FIG. 2 is an exploded perspective view of the display device according to the first embodiment. FIG. 3 is a partially enlarged view showing the display panel and the bonding member at the corner of the display device according to the first embodiment. FIG. 4 is a partially enlarged view showing the display panel and the bonding member at the corner of the display device according to the first embodiment. FIG. 5 is a partially enlarged view showing the display panel and the bonding member at the corner of the display device according to the first embodiment. FIG. 6 is a partially enlarged view showing the display panel and the bonding member at the corner of the display device according to the first embodiment. The display device 1 displays an image in, for example, an AV integrated car navigation system or a car audio.

  In the following description, each direction is defined in a state where the display device 1 is mounted on a vehicle. The front-back direction is the direction parallel to the traveling direction when the vehicle goes straight on, with the side facing the driver's seat from the windshield being "front" in the front-back direction, and the side heading from the driver's seat to the windshield being "rear" in the front-back direction Do. Let the front-back direction be the X-axis direction. The left-right direction is a direction orthogonal to the front-rear direction. Toward the windshield, the left hand side is "left" and the right hand side is "right". Let the left-right direction be the Y-axis direction. The up-down direction is a direction orthogonal to the front-rear direction and the left-right direction. The vertical direction is taken as the Z-axis direction. Therefore, the front-rear direction, the left-right direction, and the vertical direction are orthogonal in three dimensions.

  The display device 1 is disposed facing the driver's seat. The display device 1 includes a display panel unit 2, a touch panel (cover panel) 3, and an adhesive tape (adhesive member) 4.

  The display panel unit 2 is a unit having a display including, for example, a liquid crystal display (LCD: Liquid Crystal Display) or an organic EL (Organic Electro-Luminescence) display. The display panel unit 2 displays an image. The display panel unit 2 has a display panel 21 and a frame 22.

  The display panel 21 is a display main body that displays an image. The display panel 21 is disposed such that the display surface faces the driver's seat. In the present embodiment, the display panel 21 is formed in a rectangular planar shape.

  The frame portion 22 is arranged in a frame shape covering the outer periphery of the display panel 21. In other words, the display panel 21 is disposed inside the frame 22. As viewed in the X-axis direction, the frame portion 22 projects to the top, bottom, left, and right of the display panel 21. In the present embodiment, the frame portion 22 is integrally formed with a wall portion 221 having an opening corresponding to the display panel 21 and a side wall portion 222 erected in the X-axis direction from the peripheral edge portion of the wall portion 221. The frame portion 22 is made of, for example, a resin material.

  The wall portion 221 is formed in a frame shape. In the wall portion 221, a pair of right wall portion 2211 and left wall portion 2212 and a pair of upper wall portion 2213 and lower wall portion 2214 are integrally formed. The connection portion between the right wall 2211 and the upper wall 2213 is referred to as a corner 221A. The connection portion between the right wall 2211 and the lower wall 2214 is referred to as a corner 221B. The connecting portion between the left wall 2212 and the lower wall 2214 is referred to as a corner 221C. A connecting portion between the left wall 2212 and the upper wall 2213 is referred to as a corner (other corner) 221D.

  The wall portion 221 has a positioning portion 223 where the adhesive tape 4 is not attached at the corner portion 221D and the wall portion 221 is exposed.

  The side wall portion 222 is formed in a tubular shape. The side wall portion 222 is erected from the periphery of the wall portion 221 in the X-axis direction. In other words, the wall portion 221 is disposed in the middle of the cylindrical side wall portion 222 in the X-axis direction. The side wall portion 222 includes a right side wall portion 2221 erected in the X axis direction from the right wall portion 2211, a left side wall portion 2222 erected in the X axis direction from the left wall portion 2212, and an X axis from the upper wall portion 2213. An upper side wall 2223 erected in the direction and a lower side wall 2224 erected in the X-axis direction from the lower wall 2214 are integrally formed.

  The positioning unit 223 is a portion that positions the touch panel 3 while pressing the touch panel 3 against the display panel 21 when the touch panel 3 is assembled to the display panel unit 2. The positioning portion 223 is formed in a shape that can be positioned by pressing the touch panel 3 against the corner portion 221 D when bonding the display panel unit 2 and the touch panel 3. In the present embodiment, the dimension of the positioning portion 223 is, for example, formed in a rectangular shape of about 3 mm or more in length and about 5 mm or less in width. The positioning portion 223 is a non-sticking area of the adhesive tape 4 in which the adhesive tape 4 is not stuck on the wall portion 221. In the present embodiment, the positioning portion 223 is a region above the end 21 b on the upper side of the display panel 21 and on the left side than the end 21 d on the left side.

  The touch panel 3 is a touch-type input device disposed to face the display panel 21. The touch panel 3 has a detection area for detecting a touch operation corresponding to the display panel 21. The touch panel 3 is formed in a rectangular planar shape. In the present embodiment, the touch panel 3 has an outer shape larger than the outer shape of the display panel 21.

  The adhesive tape 4 is interposed between the wall portion 221 of the frame portion 22 and the touch panel 3 to bond the display panel unit 2 and the touch panel 3. The adhesive tape 4 has an adhesive applied on the surface and the back surface opposite to the surface. In the present embodiment, the adhesive tape 4 includes four adhesive tapes (adhesive members) 41, adhesive tapes (adhesive members) 42, adhesive tapes (adhesive members) 43, and adhesive tapes (adhesive members) 44. When the four adhesive tapes 41, the adhesive tapes 42, the adhesive tapes 43, and the adhesive tapes 44 are not particularly required to be distinguished, the adhesive tape 4 is described.

  The adhesive tape 41 is attached to the upper wall portion 2213 along the Y-axis direction. The adhesive tape 41 is positioned such that the right end 41 a is on the right side of the right end 21 a of the display panel 21. The adhesive tape 41 has the left end 41 b at the same position as the left end 21 d of the display panel 21 in the Y-axis direction.

  The adhesive tape 42 is attached to the right wall portion 2211 along the Z-axis direction. The upper end 42 a of the adhesive tape 42 is located below the upper end 21 b of the display panel 21. In the adhesive tape 42, an extending portion 421 is disposed at the top. The extending portion 421 is formed in a rectangular shape. The width of the extending portion 421 in the Y-axis direction is narrower than the width of the adhesive tape 42 in the Y-axis direction. In the extending portion 421, the upper end 421a is at the same position as the upper end 41c of the adhesive tape 41 in the Z-axis direction. The lower end 42 b of the adhesive tape 42 is positioned below the lower end 21 c of the display panel 21.

  The adhesive tape 43 is attached to the lower wall portion 2214 along the Y-axis direction. The adhesive tape 43 is positioned such that the right end 43 a is on the left side of the right end 21 a of the display panel 21. In the adhesive tape 43, an extending portion 431 is disposed on the right side. The extending portion 431 is formed in a rectangular shape. The width of the extension portion 431 in the Z-axis direction is narrower than the width of the adhesive tape 43 in the Z-axis direction. The extending portion 431 has the right end 431a at the same position as the right end 42c of the adhesive tape 42 in the Y-axis direction. The adhesive tape 43 is positioned such that the left end 43 b is on the right side of the left end 21 d of the display panel 21. In the adhesive tape 43, an extending portion 432 is disposed on the left side. The extending portion 432 is formed in a rectangular shape. The width of the extension portion 432 in the Z-axis direction is narrower than the width of the adhesive tape 43 in the Z-axis direction. In the extension portion 432, the left end 432a is at the same position as the left end 44b of the adhesive tape 44 in the Y-axis direction.

  The adhesive tape 44 is attached to the left wall 2212 along the Z-axis direction. The upper end 44 a of the adhesive tape 44 is located below the upper end 21 b of the display panel 21. The lower end 44 c of the adhesive tape 44 is located below the lower end 21 c of the display panel 21.

  The adhesive tape 4 configured in this manner is attached to the wall portion 221 of the frame portion 22 so as to surround the display panel 21. The adhesive tape 4 attached to the wall 221 is a space (not shown) which is surrounded by the display panel 21, the touch panel 3 and the adhesive tape 4 in the corner 221 A, the corner 221 B and the corner 221 C. A communication passage S1, a communication passage S2, and a communication passage S3 are provided which communicate the space portion between the panels with the outside of the frame portion 22. The communication passage S1, the communication passage S2, and the communication passage S3 communicate with the outside of the frame 22 by a space surrounded by the frame 22, the touch panel 3, and the adhesive tape 4.

  The communication passage S1 is formed at the corner portion 221A. The communication path S <b> 1 is formed between the right side portion of the adhesive tape 41 and the upper portion and the extending portion 421 of the adhesive tape 42. The communication passage S1 is formed in an L shape having one bent portion (curved portion). One end S1a of the communication path S1 faces the upper right corner 211 of the display panel 21 and is open toward the left. The other end S <b> 1 b of the communication passage S <b> 1 opens upward on the outer side of the frame 22. The width of the communication passage S1 in the direction orthogonal to the flow direction of air is preferably, for example, about 3 mm or less.

  The communication passage S2 is formed at the corner portion 221B. The communication path S <b> 2 is formed between the lower portion of the adhesive tape 42 and the right side portion of the adhesive tape 43 and the extending portion 431. The communication passage S2 is formed in an L shape having one bending portion. One end S2a of the communication passage S2 faces the lower right corner 212 of the display panel 21 and opens upward. The other end S <b> 2 b of the communication passage S <b> 2 opens to the right of the outer side of the frame portion 22. The width of the communication passage S2 in the direction orthogonal to the flow direction of air is preferably, for example, about 3 mm or less.

  The communication passage S3 is disposed at the corner 221C. The communication path S3 is formed between the left side portion and the extending portion 432 of the adhesive tape 43 and the lower portion of the adhesive tape 44. The communication passage S3 is formed in an L-shape having one bent portion. One end S3a of the communication path S3 faces the lower left corner 213 of the display panel 21 and opens upward. The other end S3b of the communication passage S3 is open toward the left side of the outer side of the frame 22. The width of the communication passage S3 in the direction orthogonal to the flow direction of air is preferably, for example, about 3 mm or less.

  Further, as described above, the adhesive tape 4 attached to the wall portion 221 is not attached to the positioning portion 223 located at the corner portion 221D. A positioning portion 223 is formed between the left end 41 b of the adhesive tape 41 and the upper end 44 a of the adhesive tape 44.

  Next, an assembling method and an operation of the display device 1 will be described. The touch panel 3 is attached to the display panel unit 2 before the display device 1 is attached to the vehicle. The method of assembling the display device 1 includes the steps of attaching the adhesive tape 4 to the display panel unit 2, positioning the touch panel 3 on the display panel unit 2, and attaching the touch panel 3 to the display panel unit 2.

  The process of attaching the adhesive tape 4 to the display panel unit 2 will be described. The adhesive tape 41 is attached to the upper wall 2213 along the Y-axis direction. The adhesive tape 42 is attached to the right wall portion 2211 along the Z-axis direction. The adhesive tape 43 is attached to the lower wall portion 2214 along the Y-axis direction. The adhesive tape 44 is attached to the left wall 2212 along the Z-axis direction. In the corner portion 221A, the right side portion of the adhesive tape 41 and the upper portion of the adhesive tape 42 and the extending portion 421 are attached at intervals. A communication passage S1 is formed in the corner 221A. At the corner portion 221B, the lower portion of the adhesive tape 42, and the right side portion of the adhesive tape 43 and the extending portion 431 are attached at intervals. A communication passage S2 is formed in the corner 221B. At the corner 221C, the left side portion and the extending portion 432 of the adhesive tape 43 and the lower portion of the adhesive tape 44 are attached at an interval. A communication passage S3 is formed in the corner 221C. At the corner 221 D, the left end 41 b of the adhesive tape 41 and the upper end 44 a of the adhesive tape 44 are attached at an interval. A positioning portion 223 is formed at the corner portion 221D.

  The process of positioning the touch panel 3 on the display panel unit 2 will be described. The operation is performed after the adhesive tape 4 is attached to the display panel unit 2. The upper left portion 3 a of the touch panel 3 is pressed against the positioning portion 223 of the wall portion 221. Then, the touch panel 3 is positioned at an appropriate position with respect to the display panel 21. At this time, since the adhesive tape 4 is not attached to the positioning portion 223, even when the touch panel 3 is pressed against the positioning portion 223, the touch panel 3 is prevented from being inadvertently adhered.

  The process of bonding the touch panel 3 to the display panel unit 2 will be described. This operation is performed after positioning the touch panel 3 on the display panel unit 2. The touch panel 3 is attached to the adhesive tape 4 while pressing the positioned touch panel 3 against the display panel 21 side.

  Thus, the touch panel 3 is assembled to the display panel unit 2, and the display device 1 is assembled. In the display device 1 in a state where the touch panel 3 is assembled to the display panel unit 2 (hereinafter, referred to as “assembled display device 1”), the display panel 21 and the touch panel 3 face each other.

  In the assembled display device 1, the corner 221A, the corner 221B, and the corner 221C communicate with the communication passage S1, the communication passage S2, and the communication passage S3 that communicate the space between the panels with the outside of the frame 22. Is arranged. Since the communication passage S1, the communication passage S2, and the communication passage S3 have the same action, the communication passage S1 will be described as a representative, and the description of the communication passage S2 and the communication passage S3 will be omitted. The space between the panels is communicated with the outside of the frame 22 by the communication passage S1, and the air in the space between the panels and the air outside the frame 22 flow.

  Further, even if dust tries to enter the space between the panels from the outside of the frame 22, the communication passage S1 is bent, so that it is difficult to reach the space between the panels.

  The accuracy of assembly in the assembled display device 1 will be described with reference to FIGS. 7 and 8. FIG. 7 is a cross-sectional view of the display device according to the first embodiment. FIG. 8 is a cross-sectional view of the display device according to the first embodiment. The touch panel 3 is positioned on the display panel unit 2 at the corner 221 D in which the positioning portion 223 is disposed. As a result, as shown in FIG. 7, in the corner 221D, the distance d1 of the gap between the touch panel 3 and the left side wall 2222 decreases. On the other hand, in the corner 221A, the corner 221B, and the corner 221C other than the corner 221D, the distance of the gap between the touch panel 3 and the side wall 222 is determined according to the position positioned in the positioning unit 223. . For example, as shown in FIG. 8, in the corner 221A, the distance d2 of the gap between the touch panel 3 and the right side wall 2221 is larger than the distance d1.

  As described above, in the present embodiment, the communication passage S1 is formed in the corner portion 221A, the communication passage S2 is formed in the corner portion 221B, and the communication passage S3 is formed in the corner portion 221C. In the present embodiment, the communication passage S1, the communication passage S2, and the communication passage S3 each have a curved portion. According to the present embodiment, dust can be prevented from reaching the space between the panels from the outside of the frame 22.

  According to the present embodiment, the space between the panels and the outside of the frame 22 are communicated by the communication passage S1, the communication passage S2, and the communication passage S3. According to the present embodiment, the temperature difference between the air in the space between the panels and the air outside the frame 22 is reduced. Thereby, this embodiment can suppress that dew condensation arises in the space part between panels.

  In the present embodiment, the communication passage S1, the communication passage S2, and the communication passage S3 allow the upper side or the lower side of the display device 1 according to the temperature difference between the air in the space between the panels and the air outside the frame 22. Air can be circulated efficiently.

  In the present embodiment, the adhesive tape 4 is not attached to the positioning portion 223. Thus, in the present embodiment, when the touch panel 3 is pressed against the positioning portion 223, it is possible to suppress the touch panel 3 from being inadvertently bonded. According to the present embodiment, the touch panel 3 can be easily positioned.

  In the present embodiment, the touch panel 3 is positioned on the display panel unit 2 at the corner 221 D where the positioning portion 223 is disposed. Thereby, according to the present embodiment, it is possible to assemble such that the distance d1 of the gap between the touch panel 3 and the left side wall portion 2222 becomes small. In the present embodiment, it is possible to restrict the entry of dust from the positioning portion 223 into the space between the panels by suppressing the gap generated in the positioning portion 223 to be small.

Second Embodiment
The display device 1 according to the present embodiment will be described with reference to FIG. FIG. 9 is a partially enlarged view showing a display panel and an adhesive member at a corner of a display device according to a second embodiment. The basic configuration of the display device 1 is the same as that of the display device 1 of the first embodiment. In the following description, the same reference numerals or corresponding reference numerals are given to the same constituent elements as those of the display device 1, and the detailed description thereof is omitted. In the present embodiment, the shape of the communication passage S4 is different from that of the first embodiment. In the present embodiment, the communication passage S4 disposed at the corner 221A will be described as an example.

  The adhesive tape 51 has a curved convex portion 511 at the end 51 a on the right side. The curved convex portion 511 is formed so as to protrude in a semicircular shape on the right side from the end 51 a on the right side.

  The adhesive tape 52 has a curved convex portion 522 at the upper end 52a. The curved convex portion 522 is formed so as to protrude in a semicircular shape on the upper side than the upper end 52 a. The extending portion 521 formed on the upper portion of the adhesive tape 52 has a curved convex portion 523 at the upper left portion. The curved convex portion 523 is formed to project to the left from the extending portion 521 in a semicircular shape.

  The communication path S4 is formed between the right side portion of the adhesive tape 51 and the adhesive tape 52 and the extending portion 521. The one end S4a of the communication passage S4 is narrowed in width by the curved convex portion 522. The other end S4b of the communication passage S4 is narrowed in width by the curved convex portion 511 and the curved convex portion 523 which are disposed to face each other. A reservoir portion (storage portion) T1 surrounded by the upper end 52a, the extending portion 521, and the curved convex portion 522 is formed in the communication passage S4.

  The accumulation portion T1 is disposed on the side facing the outside of the frame portion 22. The reservoir portion T1 is in communication with the bent portion of the communication passage S4. The reservoir portion T1 is a reservoir for dust which has entered the communication passage S4 from the other end S4b of the communication passage S4. The reservoir portion T1 is disposed at a position corresponding to the bending portion of the communication passage S1 in the first embodiment. The dust that has entered the communication passage S4 from the other end S4b enters the accumulation portion T1. In order for the dust that has entered the accumulation portion T1 to reach the one end S4a, it is necessary to go over the convex portion of the curved convex portion 522.

  As described above, according to the present embodiment, in the communication passage S4, the width of the communication passage S4 is narrowed at one end S4a and the other end S4b. The present embodiment can restrict dust from entering the space between the panels. In the present embodiment, the width of the inlet / outlet portion of the communication path S4 is narrow, and the flow velocity of the air is increased, so that the dust that has entered with the air easily collides with the stagnation portion T1 and remains.

  In the present embodiment, the stagnation portion T1 is formed at the bent portion of the communication passage S4. According to this embodiment, the dust which has entered the communication passage S4 can be stored in the reservoir T1 so as not to enter the space between the panels.

Third Embodiment
The display device 1 according to the present embodiment will be described with reference to FIG. FIG. 10 is a partially enlarged view showing a display panel and an adhesive member in a corner of a display device according to a third embodiment. In the present embodiment, the shape of the communication passage S5 is different from that of the first embodiment. In the present embodiment, as an example, the communication passage S5 disposed in the corner portion 221A will be described.

  The adhesive tape 61 has a convex portion 611 on the right side. The convex portion 611 protrudes below the lower end portion 61 a of the adhesive tape 61. The convex portion 611 is formed to project in a trapezoidal shape on the lower right side.

  The adhesive tape 62 has a convex portion 621 and a notch 622 formed on the upper right side. The convex portion 621 is formed to project in a trapezoidal shape on the upper right side. The protrusion 621 protrudes upward from the upper end 62 a of the adhesive tape 62. The notch 622 is formed by notching the upper end 62 a of the adhesive tape 62. The notch 622 is disposed at a position communicating with the bent portion of the communication passage S1 in the first embodiment.

  The communication path S5 is formed between the convex portion 611, the upper end 62a of the adhesive tape 62, the convex portion 621 and the notch 622. A reservoir portion (storage portion) T <b> 2 is formed in the communication passage S <b> 5 by the notch portion 622.

  The accumulation portion T2 is disposed on the side facing the outside of the frame portion 22. The reservoir portion T2 is a reservoir for dust that has entered the communication passage S5 from the other end S5b of the communication passage S5. The reservoir portion T2 is disposed at a position corresponding to the bent portion of the communication passage S1 in the first embodiment. The angle between a line connecting one end S5a of the communication passage S5 and the reservoir T2 and a line connecting the other end S5b of the communication passage S5 to the reservoir T2 is an acute angle. In other words, communication channel S5 has an acute angle between the flow direction of air between the outside of frame 22 and the bending portion and the flow direction of air between the space between panels and the bending portion. is there.

  As described above, according to the present embodiment, the communication passage S5 is a line connecting one end S5a of the communication passage S5 and the reservoir portion T2, the other end S5b of the communication passage S5, and the reservoir portion T2 The angle between the line segment connecting and the is an acute angle. In the present embodiment, the air that has flowed into the communication passage S5 is likely to cause a vortex in the reservoir portion T2. Thus, according to the present embodiment, dust that has entered from the other end S5b of the communication passage S5 can be reduced from reaching the one end S5a. According to this embodiment, the dust which has entered the communication path S5 can be reliably stored in the reservoir T2 so as not to enter the space between the panels.

  Now, the display device 1 according to the present invention has been described so far, but may be implemented in various different modes other than the above-described embodiment. The configuration of the display device 1 described above is an example, and the present invention is not limited to this.

  In the above description, although the display panel unit 2 in which the display panel 21 and the frame portion 22 are unitized is described, the present invention is not limited to this. The display panel 21 and the frame 22 may be separate parts that are not unitized.

DESCRIPTION OF SYMBOLS 1 display apparatus 2 display panel unit 21 display panel 22 frame part 221 wall part 221A corner part 221B corner part 221C corner part 221D corner part (other corner part)
222 Side wall part 223 Positioning part 3 Touch panel (cover panel)
4 Adhesive tape (adhesive member)
41 Adhesive tape (adhesive member)
42 Adhesive tape (adhesive member)
43 Adhesive tape (adhesive member)
44 Adhesive tape (adhesive member)
S1 communication passage S2 communication passage S3 communication passage

Claims (6)

A display panel that displays an image,
A frame portion covering an outer periphery of the display panel;
A cover panel disposed facing the display panel;
An adhesive member interposed between the frame and the cover panel to bond the frame and the cover panel;
Equipped with
A communication passage communicating with the outside of the frame is constituted by a space surrounded by the frame, the cover panel, and the adhesive member at the corner of the frame.
The frame portion is a non-adhered area of the adhesive member at another corner, and has a positioning portion in which the frame portion is exposed.
A display device characterized by   The positioning portion is formed in a shape that can be positioned by pressing the corner of the cover panel against the other corner of the frame when bonding the frame and the cover panel. Item 1. A display device according to item 1.   The display device according to claim 1, wherein the communication path has a curved portion between the space portion and the outside of the frame portion.   The display device according to claim 3, wherein the communication path has a storage portion on the side facing the outside of the frame portion of the curved portion.   The display device according to any one of claims 1 to 4, wherein a width of the communication passage is narrowed at an end facing the outer side of the frame portion.   The communication passage may have an acute angle between a flow direction of gas between the outside of the frame and the curved portion and a flow direction of gas between the space and the curved portion. Item 5. The display device according to item 3 or 4.

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