JP2010151853A - Display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device with successful assembly workability while preventing displacement of an edge member. <P>SOLUTION: The display device is constituted by including: a display element 5 having a display area 51 for displaying predetermined information; a display board 6 having an aperture 61 which is arranged on the front side of the display element 5 to visibly recognize the display area 51; and a frame-like edge member 7 having a cylindrical part 71 which is attached to the display board 6 and inserted into the aperture 61, and an edge frame part 72 which hangs over so as to border the whole circumference of the front side edge part of the aperture 61 from the cylindrical part 71. In the display device, first wall parts (predetermined parts) 711, 712 which are a part of the cylindrical part 71 and opposite to each other sandwiching a hollow part S include projected parts 74 which form a groove 73 for engaging the edge of the aperture 61 between the edge frame part 71. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a display device incorporated in, for example, a vehicle meter.

  As this type of display device, for example, one disclosed in Patent Document 1 below is known. This display device includes a display element made of liquid crystal for displaying predetermined information, and a display plate disposed on the front side of the display element, with the display area of the display element facing the opening of the display plate. is there.

  In such a display device, for the purpose of improving decorativeness and appearance, a frame-like edge member may be attached to the opening, and the opening may be edged with the edge member.

In this case, the edge member is composed of a cylindrical portion that is inserted into the opening portion, and an edge frame portion that projects from the cylindrical portion so as to cover the entire circumference of the front side edge portion of the opening portion. It can be considered that the edge member is attached to the display board by inserting the cylindrical portion.
JP 2006-192773 A

  However, the mounting structure in which the cylindrical portion of the edge member is inserted into the opening of the display board has a concern that the edge member may be detached from the display board due to deformation of the edge member due to thermal expansion or internal stress. In order to deal with this point, the cylindrical portion is provided with a protruding portion extending in a parallel direction with a space with respect to the edge frame portion, and by providing this protruding portion, a groove formed between the edge frame portion, Although it is conceivable to prevent the edge member from being detached by fitting the edge of the opening portion, there is a problem that the workability is deteriorated simply by providing the groove.

  The present invention pays attention to the above-described problems, and provides a display device with good assembly workability while preventing the detachment of the edge member.

In order to solve the above-described problems, the present invention provides a display element having a display area for displaying predetermined information, a display plate having an opening disposed on the front side of the display element and allowing the display area to be visually recognized, A frame shape that has a cylindrical portion that is attached to the display board and is inserted into the opening, and an edge frame that protrudes from the cylindrical portion so as to rim the entire periphery of the front side edge of the opening. In the display device having the edge member, a groove for fitting the edge of the opening portion between the edge frame portion and a predetermined portion which is a part of the cylindrical portion and is opposed to the hollow portion. The projection part which forms is provided.
According to this, since the cylindrical portion is held at the edge of the opening through the groove, it is possible to prevent the detachment of the edge member due to deformation or the like, and the protruding portion (groove) is a hollow portion instead of the entire circumference of the cylindrical portion. As a result, the assembly workability can be improved.

In the present invention, the cylindrical portion is formed in a rectangle having a pair of first wall portions corresponding to a pair of long sides and a pair of second wall portions corresponding to a pair of short sides, The protruding portion is provided on one wall portion.
According to this, when making a cylindrical part into a rectangle, since it is a long side, a deformation | transformation of the 1st wall part which is easy to deform | transform can be prevented.

Further, the present invention is characterized in that a projection is provided in the cylindrical portion, and a recess in which the projection is fitted is provided in the opening.
According to this, since the protrusion can be assembled while being fitted in the recess, the recess serves as a guide, can be mounted at a predetermined position, and the workability can be further improved, and the movement of the edge member is restricted after the assembly is completed. It can be held stably.

  ADVANTAGE OF THE INVENTION According to this invention, the initial objective can be achieved and the display apparatus with favorable assembly workability | operativity can be provided, preventing the detachment | leave of an edge member.

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

  FIG. 1 to FIG. 5 show a first embodiment of a display device according to the present invention. FIG. 1 is a cross-sectional view of the main part of the display device according to this embodiment, and FIG. 2 is circled in FIG. 3 is a front view showing the front (front) side of the edge member, FIG. 4 is a front view showing the rear (back) side of the edge member, and FIG. 5 shows the edge member and the display board. It is a disassembled perspective view when it sees from the back (back) side.

  In FIG. 1, the display device according to the present embodiment is incorporated in, for example, a combination meter for automobiles, and includes a circuit board 1, a light source 2, an instrument case 3, a holder 4, a display element 5, and a display board 6. And the edge member 7.

  The circuit board 1 is made of a well-known hard circuit board, and has, for example, a stepping motor that is a component part of a pointer-type meter, in addition to various wiring patterns and circuit elements (not shown).

  The light source 2 is made of, for example, a light emitting diode, and is mounted on the front side of the circuit board 1 so as to illuminate the display element 5 from behind.

  The instrument case 3 is made of, for example, milky white synthetic resin parts and forms a skeleton of a combination meter. The instrument case 3 is arranged on the circuit board 1 and holds the display board 6.

  The holder 4 is made of, for example, the same synthetic resin component as that of the instrument case 3. The holder 4 is disposed on the circuit board 1 located in the notch of the instrument case 3 to hold the display element 5 and to transmit the light of the light source 2 to the display element 5. It functions as a light case that leads to

  The display element 5 is formed of, for example, a liquid crystal panel, and includes a display area 51 that displays various vehicle information (predetermined information) such as a travel distance, an outside temperature, and fuel consumption information according to an electric signal input. In the case of this embodiment, the display element 5 and the display area 51 are formed in a rectangular shape.

  The display board 6 is a well-known printed board obtained by performing various types of printing on a board made of a translucent synthetic resin material, and constitutes a part of a pointer-type instrument. Moreover, the opening part 61 which is arrange | positioned at the front side of the display element 5 by being hold | maintained at the instrument case 3, and enables the visual recognition of the display area 51 of the display element 5 is formed. In this case, the opening 61 has a rectangular shape corresponding to the display area 51, and has a pair of long sides LS and a pair of short sides SS facing each other as shown in FIG. Each of the sides LS and SS is formed with one recess 62 corresponding to a protrusion described later of the edge member 7.

  As shown in FIGS. 3 to 5, the edge member 7 is formed in a rectangular frame corresponding to the shape of the opening 61 by a light-shielding synthetic resin material, and the decorativeness and appearance are improved by bordering the opening 61. It is something to be made.

  The edge member 7 includes a cylindrical portion 71 to be inserted into the opening portion 61, an edge frame portion 72 that projects from the front side end portion of the cylindrical portion 71 so as to edge the front side edge portion of the opening portion 61, And a protruding portion 74 that protrudes from the rear end portion of the cylindrical portion 71 so as to face the edge frame portion 72 and forms a groove 73 into which the edge of the opening 61 is fitted between the edge frame portion 72. Yes.

  The cylindrical portion 71 is formed in a rectangular cylinder corresponding to the shape of the opening 61, and a pair of first wall portions 711 and 712 corresponding to the long side LS of the opening 61 and a pair corresponding to the short side SS. 2nd wall part 713,714.

  The edge frame portion 72 is also formed in a rectangular frame corresponding to the shape of the opening portion 61 and is formed so as to border the entire circumference of the front side edge portion of the opening portion 61.

  The protruding portion 74 is formed not on the entire circumference of the tubular portion 61 but on a part of the tubular portion 61. Specifically, it is partially formed on first wall portions (predetermined locations) 711 and 712 that face each other with the hollow portion S therebetween.

  Of these protrusions 74, the protrusion 74 formed on the first wall 711 side protrudes in multiple stages. In this case, the central part 711a has the longest protrusion dimension, and both sides 711b are longer than the central part. The projecting dimension is also short, and when the groove 73 is fitted into the opening 61, the opening 61 is first located in the groove 73 located at the center, Since a part is assembled in advance so that the grooves 73 located on both sides of the central portion are located later, the fitting operation can be easily performed. Note that such a multi-stage protruding configuration can also be set on the first wall portion 711 side.

  In addition, the first and second wall portions 711, 712, 713, and 714 constituting the cylindrical portion 71 are provided with a protruding portion 75 on only one of the walls. The tip is formed in a tapered wedge shape so as to protrude to the side of 71, and fits into the recess 62 of the display plate 6 when and after the edge member 7 is assembled to the display plate 6.

  In this case, the protrusions 75 and the recesses 62 are formed in the same manner as when the edge member 7 is not rotated when the edge member 7 is rotated 180 degrees from the position shown in FIG. It is set so that the directionality of the edge member 7 is not questioned so as to be possible.

  In the display device of the present embodiment configured as described above, the edge member 7 is assembled to the display plate 6 by opening the groove 73 formed in one of the first wall portions 711 and 712 of the edge member 7. After fitting on either one of the long sides LS of 61, the groove 73 formed on the other of the first wall portions 711, 712 of the edge member 7 is fitted on the other of the long sides LS of the opening 61, At that time, the protrusion 75 of the edge member 7 is fitted and guided in the recess 62 of the display panel 6, and the edge member 7 is fixed at a predetermined position of the opening 61.

  As described above, in the present embodiment, the display element 5 having the display area 51 for displaying the predetermined information and the display board 6 having the opening 61 that is arranged on the front side of the display element 5 and allows the display area 51 to be visually recognized. A cylindrical portion 71 that is attached to the display plate 6 and inserted into the opening 61, and an edge frame portion that projects from the cylindrical portion 71 so as to border the entire periphery of the front edge of the opening 61. In the display device having the frame-shaped edge member 7 having 72, first wall portions (predetermined portions) 711 and 712 that are part of the cylindrical portion 71 and face each other with the hollow portion S interposed therebetween. By providing the protrusion 74 that forms the groove 73 into which the edge of the opening 61 is fitted with the edge frame 71, the cylindrical portion 71 is held on the edge of the opening 61 through the groove 73. The edge member 7 can be prevented from coming off due to deformation or the like, and the protrusion 74 (groove 73) can be The assembling workability since it provided at predetermined positions facing can be made good across the hollow portion S rather than the entire circumference of the section 71.

  In the present embodiment, the cylindrical portion 71 includes a pair of first wall portions 711 and 712 corresponding to the pair of long sides LS, and a pair of second wall portions 713 and 714 corresponding to the pair of short sides SS. The first wall portion 711, 712 is provided with a protruding portion 74, so that when the cylindrical portion 71 is rectangular, the first wall portion is easy to deform because of the long side LS. The deformation of 711 and 712 can be prevented.

  In the present embodiment, the protrusion 75 is provided in the cylindrical portion 71 and the recess 62 in which the protrusion 75 is fitted is provided in the opening 61, so that the protrusion 75 can be assembled while being fitted in the recess 62. 62 serves as a guide and can be mounted at a predetermined position to further improve workability, and after assembly is completed, movement of the edge member 7 can be regulated and stably held.

  FIG. 6 is a front view showing a modified example of the edge member 7 as the second embodiment of the present invention. The edge member 7 according to this embodiment is elliptical corresponding to the shape of the opening 61 of the display panel 6. In this case, a protrusion 74 and a groove 73 (not shown) are provided in a region indicated by a one-dot chain line, that is, a pair of extended portions having a small curvature facing each other across the hollow portion S. .

  FIG. 7 is a front view showing still another modified example of the edge member 7 as the third embodiment of the present invention, and the edge member 7 according to this embodiment corresponds to the shape of the opening 61 of the display board 6. In this case, a protrusion 74 and a groove 73 (not shown) are provided in a pair of long extending portions opposed to each other with a hollow portion S therebetween, that is, a region surrounded by a one-dot chain line. It is a thing.

  The shape of the edge member 7 is arbitrary, and the shape and the like are arbitrary as long as the protruding portion 74 is also provided at a part of the cylindrical portion 71.

1 is a cross-sectional view of main parts of a display device according to a first embodiment of the present invention. The enlarged view of the arrow view area A enclosed with the circle in FIG. The front view which shows the front (front surface) side of the edge member by the 1st Embodiment of this invention. The front view which shows the back (back) side of the edge member by the 1st Embodiment of this invention. The disassembled perspective view when the edge member and display board by the 1st Embodiment of this invention are seen from back (back) side. The front view which shows the modification of the edge member 7 as the 2nd Embodiment of this invention. The front view which shows the modification of the edge member 7 as the 3rd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Circuit board 2 Light source 3 Instrument case 4 Holder 5 Display element 6 Display board 7 Edge member 51 Display area 71 Cylindrical part 72 Edge frame part 73 Groove 74 Projection part 75 Projection part 61 Opening part 62 Recession part 711,712 First wall Part 713,714 second wall part 711a center part 711b both sides LS long side SS short side S hollow part

Claims (3)

A display element having a display area for displaying predetermined information;
A display plate disposed on the front side of the display element and having an opening that allows the display region to be visually recognized;
A frame shape that has a cylindrical portion that is attached to the display board and is inserted into the opening, and an edge frame that protrudes from the cylindrical portion so as to rim the entire periphery of the front side edge of the opening. In a display device having an edge member of
Protruding portions that form grooves into which the edges of the opening portions are fitted between the edge frame portions are provided in predetermined portions that are part of the cylindrical portion and face each other across the hollow portion. Display device. The cylindrical portion is formed in a rectangle having a pair of first wall portions corresponding to a pair of long sides and a pair of second wall portions corresponding to a pair of short sides, and the first wall portion The display device according to claim 1, wherein the protrusion is provided. The display device according to claim 1, wherein a projection is provided in the cylindrical portion, and a recess in which the projection is fitted is provided in the opening.

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