JP6323710B2 - Display device - Google Patents

Description

  The present invention relates to a display device including a display for displaying an image.

  As a conventional display device, for example, there is one disclosed in Patent Document 1. Such a display device has a structure in which a transparent cover plate and a display are bonded with a UV curable adhesive. As a result, the space between the transparent cover plate and the air layer is filled with the UV curable adhesive, and reflection at the interface with the air layer that has conventionally existed is reduced to improve the image quality.

JP 2009-25833 A

  In such a display device, as the distance between the transparent cover plate and the display device becomes shorter, the display device can be made thinner by forming the display device and the circuit board closer to each other. When using a flexible connecting member such as a wiring board, if a connecting member that is too longer than the distance from the display device to the circuit board is used, the number of times the connecting member bends inside the display device increases. It is desirable that the connecting member is not too long.

  Also, route the connection member to the end of the circuit board and connect it to the connector on the back side of the circuit board, but if there is a light box for illuminating the design in the direction you want to route the connection member, Although a structure in which a through-hole is formed to penetrate the connection member is conceivable, there is a concern that it is difficult to pass through the through-hole. Therefore, the present invention has been made in view of this problem, and a display device that can be easily connected to a circuit board and has good assemblability even if the distance from the display device to the circuit board is short. It is to provide.

The present invention includes a display that displays an image, a window that allows the image to be seen through, a cover plate that is disposed on the front side of the display, a case that houses the display, A display device comprising a circuit board disposed on a back side of a case, and a flexible connecting member for connecting the display and the circuit board, wherein the cover plate includes the window portion and a warning. A light shielding part having a display part, and the case includes an illumination room for illuminating the warning display part, an opening through which the connection member formed on the illumination room side penetrates, and the opening part And an inclined portion inclined toward the surface.

  In the present invention, the circuit board has a through hole corresponding to the opening.

  In the present invention, a protrusion is provided on the side of the opening facing the display, and the inclined part is provided on the protrusion.

  Even a display device having a short distance from the display device to the circuit board can be easily connected to the circuit board and can provide a display device with good assembling workability.

The front view which shows embodiment of this invention. Sectional drawing which shows embodiment same as the above. The principal part expanded sectional view which shows embodiment same as the above. The perspective view which shows embodiment same as the above. The perspective view which shows embodiment same as the above. The principal part expanded sectional view which shows other embodiment.

  Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

  The display device 1 includes a display 10 that displays an image, a cover plate 20, a housing 30, a circuit board 40, a light emitting element 50, and a case 60. The display 10 includes a liquid crystal display panel 10a such as a TFT color liquid crystal module or an EL module, and displays vehicle information such as vehicle speed. The liquid crystal display panel 10 a is optically carboxylated with a translucent adhesive 15, which is a UV curable adhesive, and is in close contact with the rear surface of the cover plate 20.

  The display 10 has a connection member 11 for electrically connecting to the circuit board 40, and the connection member 11 is made of a flexible flexible printed wiring board (FPC) or the like. As shown in FIG. 5, the connection member 11 is long in the longitudinal direction and short in the vertical direction along the shape of an opening 63 described later.

  The cover plate 20 is made of a transparent inorganic glass having a flat plate shape, and has a rectangular shape when viewed from the front. A light shielding portion 21 made of a black print layer is formed on the rear surface of the cover plate 20. The light shielding portion 21 includes a window portion 21 b that allows the image of the display 10 to be seen through, and a window portion 21 c such as a warning display portion. And have.

  The housing 30 is made of a hard resin material (AES or the like), and is formed so that the display 10, the circuit board 40, and the case 60 are accommodated.

  The circuit board 40 is obtained by forming a wiring pattern made of copper foil on a base material made of glass epoxy resin, and the light emitting element 50 is mounted thereon. The light emitting element 50 is disposed at a location corresponding to the window portion 21 c of the light shielding portion 21. The circuit board 40 includes a through hole 41 having a shape corresponding to an opening 63 formed in a case 60 described later. The circuit board 40 is disposed on the back side of the case 60, and the connector 42 is mounted on the side that does not face the case 60.

  The case 60 is made of an opaque resin (PP or the like), and the circuit board 40 is fixed to the rear surface side of the case 60 with screws (not shown) or the like. The case 60 includes a housing portion 61 having a bottom portion 61 a in which the display device 10 is housed, and an illumination chamber 62 formed at a location corresponding to the light emitting element 50. In the present embodiment, the bottom portion 61a is provided to maintain the rigidity of the storage portion 61, and has a shape that closes the bottom of the storage portion 61. However, if the rigidity of the storage portion 61 is maintained, the storage portion The shape which covers a part of bottom of 61 may be sufficient.

  Further, the bottom portion 61 a of the case 60 is located near the connection member 11 of the display device 10 accommodated in the accommodating portion 61, on the side not facing the opening portion 63 opened in the longitudinal direction of the case 60 and the circuit board 40. The protrusion 64 protrudes so as to surround the periphery of the opening 63, and the protrusion 64 has an inclined portion 65 inclined toward the opening 63.

  The inclined portion 65 includes a first inclined portion 65a and a second inclined portion 65b, and the first inclined portion 65a and the second inclined portion 65b are formed so as to face each other. It can be led into the opening 63 and the through hole 41. In addition, only one of the inclined portions 65 may be provided, and the number and form of the inclined portions 65 are not limited as long as the connection member 11 is attracted to the opening 63.

A method of assembling the display device having the above configuration will be described. The display 10 that is optically coated on the cover plate 20 by the translucent adhesive 15 is placed in the accommodating portion 61 of the case 60 to which the circuit board 40 is fixed in advance with screws or the like. At this time, the connecting member 11 disposed in the display 10 is passed through the opening 63 and the through hole 41 and drawn to the back side of the circuit board 40. The connection member 11 drawn to the back surface of the circuit board 40 is connected to a connector 42 mounted on the circuit board 40.
Such an assembling method is not limited to the present embodiment, but is particularly effective for a display device that bonds a display device and a cover plate by using optical carving. It should be noted that the size of the connector 42 can be determined as appropriate without being defined as long as the connector 42 can be connected to the connection member 11.

  In the present embodiment, an example in which the through hole 41 and the opening 63 are formed in the circuit board 40 and the case 60, respectively, has been described. For example, as illustrated in FIG. When the end of the circuit board 40 is not present on the back side, the through hole 41 is not required, and the connecting member 11 is drawn into the back surface of the circuit board 40 through the opening 63 of the case 60 and mounted. As long as it is connected to the connector 42, the relationship between the through hole 41, the opening 63, and the connector 42 is not limited to this. Further, in the present embodiment, the protruding portion 64 is provided in the case 60, but an inclined portion may be provided in the opening 63 without providing the protruding portion 64.

  As in the present embodiment, the display 10 for displaying an image, the protective panel member 20 through which the image can be seen, and the circuit board 40 in which the display 10 is housed and disposed on the back side of the case 60, The display 10 is a display device 1 that is connected to the circuit board 40 by the connecting member 11, and the case 60 has an opening 63 that opens in the longitudinal direction and an inclined portion 65 that is inclined toward the opening 63. In this case, the connecting member 11 is drawn into the opening 63 by the protrusion 64, so that it easily passes through the opening 63 and the distance from the display 10 to the circuit board 40 is short. However, the connection to the connector 42 is easy and the assembly workability is good.

  Further, as in the present embodiment, the circuit board 40 has the through hole 41 corresponding to the opening 63, so that the connection member 11 is provided in the vicinity of the connector 42 mounted on the back side of the circuit board 40. Therefore, even when the distance from the display 10 to the circuit board 40 is short, the connection to the connector 42 is easy and the assembly workability is good.

  Further, as in the present embodiment, the protrusion 64 is provided on the side of the opening 63 facing the display 10, and the inclined portion 65 is provided on the protrusion 64, thereby further connecting the connecting member 11 to the opening 63. Since it is easy to guide, even when the distance from the display 10 to the circuit board 40 is short, the connection to the connector 42 is easy and the assembly workability is good.

  Moreover, although the opening part 63 opened to the longitudinal direction of the case 60 was demonstrated, you may form the opening part 63 not in the longitudinal direction of the accommodating part 61 but in the parallel direction along the short one side of a rectangular shape.

10 Display 11 Connection member 15 Translucent adhesive 20 Cover plate (protection panel member)
DESCRIPTION OF SYMBOLS 30 Case 40 Circuit board 41 Through-hole 42 Connector 60 Case 63 Opening part 64 Projection part 65 Inclination part

Claims (3)

A display that displays an image; a cover plate that includes a window that enables the image to be seen through; a cover plate that is disposed on a front side of the display; a case in which the display is stored; and a back side of the case A display device comprising: a circuit board disposed on the substrate; and a flexible connection member that connects the display and the circuit board.
The cover plate has a light shielding part having the window part and a warning display part,
The case includes an illumination room for illuminating the warning display part, an opening through which the connection member formed on the illumination room side passes, and an inclined part inclined toward the opening. A display device.   The display device according to claim 1, wherein the circuit board has a through hole corresponding to the opening. The display device according to claim 1, wherein a protrusion is provided on a side of the opening facing the display, and the inclined part is provided on the protrusion.

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