JP2009294076A - Display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device capable of suppressing a reduction in the area of its light reflecting surface, and enhancing assemblability. <P>SOLUTION: The display device 1 has a case 10, the light reflecting surface 11 provided integrally in the case 10, a light guiding member 20 which is lapped on a mounting part 12 above the reflecting surface 11 and is fixed, and fixing pawls 13 which are provided integrally with the case 10 to fix the guiding member 20 to the mounting part 12. Each fixing pawl 13 has an arm section 13a formed so as to extend outward from the inside of the mounting part 12 and having flexibility, and a locking projection 13b formed at a tip of the arm portion 13a projecting toward the mounting part 12 to lock an edge 20a of the guiding member 20. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a display device, and more particularly to a display device having a light guide member that guides light from a light source.

  As the conventional display device described above, a display device used as a speed meter, a tachometer or the like mounted on an automobile is generally known.

  For example, a display device 700 shown as a speed meter in Patent Literature 1 includes a cup-shaped casing 711, a transparent light guide member 712 accommodated in the casing 711, and the light guide member as shown in FIG. Light diffusing plate 713 overlaid on 712, scale plate 714 mounted on light diffusing plate 713, casing 711, light guide member 712, light diffusing plate 713, and scale plate 714. A rotating shaft 715 whose base end side is rotatably supported with respect to the casing 711, a pointer 716 integrally fixed to a distal end of the rotating shaft 715, and the casing 711 from above the pointer 716 and the scale plate 714. A transparent cover 717 to be overlaid constitutes a main part.

  Furthermore, the light guide member 712 has a cylindrical portion 726 in which an annular light incident end surface portion for introducing light from the light source is formed on one end side, and a funnel-shaped diameter-expanded portion in which one end side is continued to the other end of the cylindrical portion 726 In order to emit light extending along a plane that has tolerance with respect to the axis of the tube portion 726 and the tube portion 726, the light exit surface portion 728 is provided on the surface side and continues to the other end side of the funnel-shaped enlarged diameter portion 727. And a flat plate portion 729, which is molded by a transparent acrylic resin or the like. A plurality of light deflection elements for changing the traveling direction of light are formed on the back surface of the flat plate portion 729.

  According to the display device 700, since the light guide member 712 described above is provided, the light incident on the cylindrical portion 726 from the annular light incident end surface portion is guided from the funnel-shaped enlarged diameter portion 727 to the flat plate portion 729, and the light. The light can be emitted from the emission surface portion 728, so that the emitted light is diffused by the light diffusion plate 713 and the scale plate 714 can be illuminated uniformly.

  However, since the display device 700 described above has a large number of components, it requires a large number of assembly steps, and it is difficult to reduce the manufacturing cost.

  Thus, as a result of intensive studies focusing on the configuration of the display device, the present inventors have come up with the following display device.

  As shown in FIG. 9, the display device 800 includes a case 810 formed in a substantially cylindrical shape, a light reflecting surface 811 formed integrally with the case 810 and formed in a conical shape with a depressed central portion, A light guide member mounting portion 812 that protrudes in the center of the light reflecting surface 811 in a long cylindrical shape, and a fixing that is integrally provided with the case 810 near the outside of the light guide member mounting portion 812 on the light reflecting surface 811. The claw 813, the light guide member 820 fixed to the light guide member mounting portion 812 by being locked with the end portion 820 a by the fixed claw 813, and the light reflecting surface 811, the case 810 is opposed to the light guide surface 811. Dial 830 arranged to overlap the opening on one end side, wiring board 840 arranged to overlap the opening on the other end of case 810, and light incident surface 820b provided on light guide member 820 Wiring board 840 to face The light source 841 disposed on the front surface, the movement 842 disposed on the back surface of the wiring board 840, the light reflecting surface 811, the light guide member 820, and the dial 830 are sequentially penetrated, and the movement on the base end side is the movement 842. A pointer shaft 851 connected to the rotary shaft 842a and rotatably supported, and a pointer 852 that is fixed to the tip of the pointer shaft 851 and indicates an index provided on the dial 830.

  As shown in FIG. 10, the fixing claw 813 is provided with a flexible arm portion 813a formed in a U-shaped cross section and a tip 813a2 of the arm portion 813a so as to protrude toward the light guide member mounting portion 812. In addition, the light guide member 820 includes a locking projection 813b that locks the end 820a. The distal end 813a2 of the arm portion 813a is positioned in the vicinity of the light guide member mounting portion 812, and the base end 813a1 of the arm portion 813a is positioned farther from the light guide member mounting portion 812 than the distal end 813a2 of the arm portion 813a. . The base end 813a1 of the arm portion 813a is connected to the light reflecting surface 811 (that is, the case 810). The locking projection 813b has an inclined surface 813b1 formed so as to gradually approach the light guide member mounting portion 812 from the distal end 813a2 to the proximal end 813a1 of the arm portion 813a, and forms an acute angle with the inclined surface 813b1. 813a has a locking surface 813b2 formed in a direction opposite to the direction in which the tip 813a2 is directed (downward in the drawing). The locking surface 813b2 contacts the claw receiving surface 820a1 provided at the end 820a of the light guide member 820 and locks it, thereby fixing the light guide member 820 to the light guide member mounting portion 812.

  The light guide member 820 guides the light of the light source 841 directly or indirectly to the light reflecting surface 811 by reflecting the light on the back surface of the dial 830, and the light reflecting surface 811 is guided by the light guide member 820. The guided light is reflected toward the dial plate 830 to illuminate the dial plate 830 uniformly.

As described above, according to the display device 800, since the light reflecting surface 811 is integrally provided in the case 810, the number of parts that need to be assembled is reduced, and the number of assembling steps can be reduced. Further, since the fixing claw 813 having the above-described shape is provided, the arm portion 813a pushes the distal end 813a2 at the base end 813a1 by pushing the end portion 820a of the light guide member 820 into contact with the inclined surface 813b1. 11, the locking surface 813 b 2 comes into contact with and engages with the claw receiving surface 820 a 1 of the end portion 820 a of the light guide member 820, so that the light guide member 820 is It could be easily fixed to the light guide member mounting portion 812.
JP 2003-270003 A

  However, in the display device 800, since the fixing claw 813 is provided on the light reflecting surface 811 integrally with the case 810, the light reflecting surface 811 at the place where the fixing claw 813 is disposed (portion indicated by K in FIG. 10). As a result, the area where light is reflected is reduced. As a result, the amount of light that illuminates the dial 830 is reduced, and the entire dial 830 cannot be illuminated with a uniform amount of light. Further, when the light guide member 820 is fixed to the light guide member mounting portion 812, as shown in FIG. 11, the arm portion 813a has its distal end 813a2 brought closer to the base end 813a1, that is, the arm portion 813a is contracted and compressed. It is necessary to push the light guide member 820 with a strong force. For example, when an operator with weak force continuously assembles, the number of assembling may be limited due to fatigue. There was a problem that the assemblability was bad.

  The present invention aims to solve the above problems. That is, an object of the present invention is to provide a display device capable of suppressing the decrease of the light reflecting surface and improving the assemblability.

  In order to achieve the above-mentioned object, the invention described in claim 1 includes a case, a light reflecting surface integrally provided in the case, and a predetermined mounting position on the light reflecting surface. And a fixing claw that is provided integrally with the case and fixes the light guiding member to the mounting position. The fixing claw extends from the inside to the outside of the mounting position. A flexible arm portion formed on the front end of the arm portion and protruding toward the mounting position and locking the end portion of the light guide member. It is the display device characterized by having.

  According to a second aspect of the present invention, in the first aspect of the present invention, the locking projection is an inclined surface formed so as to move away from the arm portion as it goes from the distal end to the proximal end of the arm portion. And a locking surface that forms an acute angle with the inclined surface and is formed toward the proximal end side of the arm portion, and a direction in which the end portion of the light guide member faces the locking projection portion Further, it has a claw receiving surface that is brought into contact with and locked against the locking surface.

  The invention described in claim 3 is characterized in that, in the invention described in claim 2, corners on the side of the claw receiving surface of the end portion of the light guide member are rounded. is there.

  According to the first aspect of the present invention, since the fixing claw includes the flexible arm portion formed to extend from the inner side to the outer side of the mounting position, the fixing claw of the mounting position where the light guide member is overlapped. The arm portion is positioned on the inner side, and therefore, a fixing claw for fixing the light guide member without cutting the light reflecting surface can be provided. Further, since the locking projection is provided so as to protrude toward the mounting position, when the light guide member is fixed at the mounting position, the arm portion is separated from the base end, that is, the arm portion is Since it bends in the direction of expanding and extending, it requires less force than in the direction of compressing the arm portion, so that the light guide member can be more easily fixed on the light reflecting surface. Therefore, it is possible to suppress the reduction of the light reflecting surface and improve the assemblability.

  According to the invention described in claim 2, the locking projection provided at the distal end of the fixed claw has an inclined surface formed so as to be separated from the arm portion as it goes from the distal end of the arm portion toward the proximal end. Therefore, when the light guide member is fixed at the attachment position, the arm portion can be bent and extended by pushing the end portion of the light guide member into contact with the inclined surface. The engaging projection has an engaging surface formed at an acute angle with the inclined surface and toward the proximal end side of the arm portion, and the end of the light guide member is connected to the engaging projection. Since it has a claw-receiving surface that protrudes in the opposite direction and is locked against the locking surface, it keeps pushing the light guide member toward the mounting position. And the claw receiving surface are positioned on the same plane, the flexure of the arm portion is restored due to its elasticity, the locking surface and the claw receiving surface are brought into contact with each other, and the end portion of the light guide member is engaged with the locking projection It can be locked to the part. This eliminates the need for an assembly jig or the like that bends the arm portion, thereby reducing the cost associated with the assembly jig or the like and further improving the assemblability.

  According to the invention described in claim 3, since the corner of the end portion of the light guide member on the side of the claw receiving surface is rounded, the locking projection easily gets over the end portion of the light guide member. Thus, the locking surface and the claw receiving surface can be easily brought into contact with each other, so that the end portion of the light guide member can be smoothly locked to the locking projection, and the assemblability can be further improved. Can do.

  Hereinafter, a display device according to an embodiment of the present invention will be described with reference to FIGS.

  In FIG. 1, reference numeral 1 denotes a display device according to the present invention, which shows a speedometer of an automobile as an example. The display device 1 includes a case 10, a light guide member 20, a dial plate 30, a wiring board 40, and a pointer portion 50.

  As shown in FIGS. 1 and 4, the case 10 is formed in a substantially cylindrical shape by a synthetic resin or the like, and accommodates a part of the members constituting the display device 1 in the inside thereof so as to absorb the impact or dust. Protects from etc. The case 10 includes a bracket or the like (not shown), and is assembled into a combination meter or the like and attached to an instrument panel or the like of an automobile. The case 10 has a light reflecting surface 11, a light guide member mounting portion 12, a fixing claw 13, and a base portion 14.

  The light reflecting surface 11 is a mortar-shaped (conical) surface inclined so as to gradually approach the other end portion 10B side of the case 10 from the periphery of the one end portion 10A of the case 10 toward the axial center of the case 10. The planar view shape seen from the axial direction of the case 10 is formed in a substantially fan shape. The light reflecting surface 11 is subjected to a process of reflecting light, such as aluminum vapor deposition. An oval through hole 11 a is provided at the center of the light reflecting surface 11.

  The light guide member mounting portion 12 is a long cylindrical protrusion provided to protrude from the light reflecting surface 11 along the periphery of the through hole 11 a of the light reflecting surface 11. The light guide member mounting portion 12 is provided with a pair of positioning holes 12a formed in a rectangular shape at positions facing each other along the major axis direction. In addition, the light guide member mounting portion 12 is formed such that outer peripheral edges at positions facing each other along the minor axis direction are recessed inward, and a pair of fixed claws 13 are provided at these positions. . The light guide member 20 is attached to the light guide member attachment portion 12 in a superimposed manner. The light guide member attachment portion 12 corresponds to the attachment position in the claims.

  The pair of fixing claws 13 are provided so as to extend in the opposite directions from the inside of the light guide member mounting portion 12 toward the outside thereof, and the tip portions of the pair of fixing claws 13 lock an end portion 20a of the light guide member 20 described later. The light guide member 20 is fixed to the light guide member mounting portion 12. The pair of fixed claws 13 are formed integrally with the case 10. As shown in FIG. 2, the fixed claw 13 has an arm portion 13a and a locking projection portion 13b.

  The arm portion 13a is formed in a U-shaped cross section, and its base end 13a1 is connected to the light guide member mounting portion 12, and its distal end 13a2 is positioned outside the light guide member mounting portion 12. Has been. A gap L is provided between the arm portion 13a and the light reflecting surface 11, and the distal end 13a2 of the arm portion 13a can be bent in a direction in which the arm portion 13a is in contact with or separated from the base end 13a1.

  The locking projection 13b is formed to protrude toward the light guide member mounting portion 12 at the tip 13a2 of the arm 13a, and has an inclined surface 13b1 and a locking surface 13b2. The inclined surface 13b1 is formed so as to gradually move away from the arm portion 13a as it goes from the distal end 13a2 to the base end 13a1 of the arm portion 13a (that is, gradually approach the light guide member mounting portion 12). The locking surface 13b2 forms an acute angle with the inclined surface 13b1 and the plane portion thereof faces the base end 13a1 side of the arm portion 13a (that is, the direction opposite to the direction in which the tip end 13a2 of the arm portion 13a faces (the lower side in the figure) Direction)).

  The base part 14 is a substantially fan-shaped flat part formed at the same height as the one end part 10 </ b> A of the case 10. For example, when the display device is configured as a composite meter including a sub meter such as a fuel meter in addition to the speed meter, the dial unit including an index for the sub meter and the index are indicated on the base unit 14. A pointer or the like is sequentially stacked on the surface of the pedestal 14, and a movement or the like for driving the pointer of the submeter is disposed on the back side of the pedestal 14. In addition, this embodiment is not provided with a submeter, and the member which comprises it is not arrange | positioned.

  The light guide member 20 is formed of, for example, a transparent synthetic resin such as an acrylic resin, and is a member that guides incident light directly or indirectly to the light reflecting surface 11. As shown in FIGS. 1 and 5, the light guide member 20 includes a pair of end portions 20a, a light incident surface 20b, a cylindrical portion 20c, a pair of pins 20d, and a light guide portion 20e. .

  The light guide portion 20e has a substantially oval shape in plan view, and is formed by narrowing the center portion of the outer peripheral edge facing the short direction toward the inside.

  The upper surface side of the light guide portion 20e (that is, the surface side opposite to the surface overlapped with the light guide member mounting portion 12) is gradually moved from the outer peripheral edge toward the center of the lower surface side of the light guide portion 20e (that is, the surface side). It is formed in a mortar shape (that is, a conical surface shape) so as to be closer to the surface side overlapped with the light guide member mounting portion 12. The lower surface side of the light guide portion 20e is formed so as to protrude into a substantially truncated cone shape so as to be fitted to the light guide member attaching portion 12 and the inner through hole 11a.

  A cylindrical portion 20c penetrating the light guide portion 20e is provided at the center of the light guide portion 20e. Around the end of the cylindrical portion 20c located on the lower surface side of the light guide portion 20e, a light incident surface 20b for introducing light of the light source 41 described later into the light guide portion 20e is provided in an annular shape. A pair of pins 20d protruding in a columnar shape is provided in the vicinity of the outer peripheral edge facing the longitudinal direction on the lower surface side of the light guide portion 20e.

  In the vicinity of the outer peripheral edge facing the short direction on the lower surface side of the light guide part 20e, the front end has a substantially L-shaped cross section so that the tip protrudes outward (that is, the direction facing the locking projection 13b). A pair of formed end portions 20a is provided. A pair of edge part 20a is corresponded to the edge part of the light guide member in a claim. As shown in FIG. 2, the end portion 20a is provided with a claw receiving surface 20a1 facing the upper surface side (upward in the drawing) of the light guide portion 20e at the tip portion. Further, the corner 20a2 on the claw receiving surface 20a1 side at the tip portion of the end portion 20a is rounded. In the present embodiment, the end portion 20a of the light guide member 20 has a substantially L-shaped cross section. However, the present invention is not limited to this, and the tip protrudes in a direction facing the locking projection 13b. If the nail | claw receiving surface latched by the fixed nail | claw 13 is provided in the front-end | tip part, the shape is arbitrary.

  As shown in FIG. 3, the dial plate 30 is formed in a flat plate shape with a translucent synthetic resin, and a plurality of indicators 31 such as characters and symbols for displaying the current speed measurement amount are displayed on the surface of the dial plate 30. I have. Further, as shown in FIG. 1, the dial 30 has a back surface opposite to the light reflecting surface 11 and a locking structure (not shown) on the one end 10 </ b> A side of the case 10 (for example, a plurality of mountings that lock each other). Nail etc.). A through hole through which the pointer shaft 51 is inserted is provided at the center of the dial 30.

  On the surface of the dial 30 where the plurality of indicators 31 are provided, no coating is applied to the front and back surfaces of the dial 30, and on the surface of the dial 30 where the plurality of indicators 31 are not provided. An opaque color is applied, and a reflective material that reflects light is applied to the back side of the dial 30. Therefore, when light is irradiated from the back side of the dial 30 by the light guide member 20 and the light reflecting surface 11, some light passes through the plurality of indicators 31 to emit light, and the other part of light. Is reflected toward the light reflecting surface 11 by the reflecting material.

  The wiring board 40 is a well-known printed circuit board provided with a wiring pattern made of a thin-film conductor, and a plurality of light sources 41 that emit light that enters the light guide member 20 are provided on one surface thereof. On the other surface, a movement 42 for driving the pointer 52 in accordance with the speed measurement amount is provided. In addition to these, an electronic component (not shown) for realizing the function of the display device 1 is provided on the wiring board 40. The wiring board 40 has a surface on which the plurality of light sources 41 are provided facing the inside of the case 10, and is connected to the other end portion 10 </ b> B of the case 10 by a locking structure (not shown) (for example, a plurality of mounting claws that lock each other). It is fixed.

  The light source 41 is a well-known LED of surface mounting type, and is disposed on one surface of the wiring board 40 located inside the case 10 and at a position facing the light incident surface 20 b of the light guide member 20. ing. The light source 41 emits light toward the light incident surface 20b when power is supplied.

  The movement 42 is a well-known stepping motor, and is fixed to the other surface of the wiring board 40 located outside the case 10 by screws or the like (not shown). The rotation shaft 42 a of the movement 42 passes through a through hole (not shown) provided in the wiring board 40, and the tip thereof is positioned inside the case 10. The movement 42 rotates the rotating shaft 42a in the forward and reverse directions based on a control signal corresponding to a speed measurement amount sent from a control device (not shown).

  The pointer portion 50 is positioned on the surface of the dial plate 30 and points to a plurality of indicators 31 provided on the dial plate 30 according to the speed measurement amount, one end portion is connected to the pointer 52, and the other Of the movement 42 is fixed to the rotation shaft 42 a of the movement 42, and the pointer shaft 51 transmits the rotation of the rotation shaft 42 a to the pointer 52. The pointer portion 50 is formed of a synthetic resin such as a transparent acrylic resin, and receives light from a light source for a pointer portion (not shown) from a light incident surface (not shown) provided near the other end of the pointer shaft 51. By doing so, the pointer 52 emits light.

  Next, an operation when the light guide member 20 is assembled to the case 10 of the display device 1 will be described with reference to FIGS. 2 and 5 to 7.

  As shown in FIG. 5, the light guide member 20 is positioned above the light guide member mounting portion 12 provided in the case 10, and the light guide member 20 is inserted into the pair of positioning holes 12 a of the light guide member mounting portion 12. The light guide member 20 is disposed so as to overlap the light guide member attachment portion 12 so as to insert the pair of pins 20d.

  At this time, as shown in FIG. 6, the end portion 20 a of the light guide member 20 is in contact with the inclined surface 13 b 1 provided on the fixed claw 13, and from this state, the light guide member 20 is connected to the light guide member mounting portion 12. When pushed in, the end 20a of the light guide member 20 generates a force in the direction of the arrow F2 in the figure with respect to the inclined surface 13b1, and the arm 13a expands in the direction in which the distal end 13a2 and the proximal end 13a1 are separated. Bend and bend.

  Then, if the light guide member 20 is further pushed in, the locking projection 13b of the fixing claw 13 gets over the end 20a along the corner 20a2 of the end 20a of the light guide member 20, as shown in FIG. As shown in FIG. 2, the locking surface 13b2 of the locking projection 13b and the claw receiving surface 20a1 of the end 20a abut, and the fixed claw 13 locks the end 20a of the light guide member 20. The light guide member 20 is fixed to the light guide member mounting portion 12. In FIG. 2, for convenience of explanation, a gap is provided between the locking surface 13b2 and the claw receiving surface 20a1, but actually, the locking surface 13b2 and the claw receiving surface 20a1 are in contact with each other. Yes.

  As described above, according to the present invention, the fixing claw 13 includes the flexible arm portion 13a formed to extend from the inside to the outside of the light guide member mounting portion 12, so that the light guide member 20 is overlapped. The arm portion 13a is positioned at a location where the light guide member 20 is located (ie, inside the light guide member mounting portion 12), and thus the light guide member 20 is fixed without scraping the light reflecting surface 11 (ie, the location indicated by K in FIG. 2). A fixing claw 13 can be provided. Further, since the locking projection 13b is provided so as to protrude toward the light guide member attaching portion 12, when the light guide member 20 is fixed to the light guide member attaching portion 12, the tip 13a2 of the arm portion 13a is Since the arm portion 13a is bent away from the base end 13a1, that is, the arm portion 13a is expanded and extended, less force is required compared to bending the arm portion 13a in the compressing direction. It can be easily fixed on the light reflecting surface 11. Therefore, it is possible to suppress the decrease of the light reflecting surface 11 and improve the assemblability.

  Further, the locking projection 13b provided at the distal end of the fixing claw 13 moves away from the arm portion 13a toward the proximal end 13a1 from the distal end 13a2 of the arm portion 13a (that is, closer to the light guide member mounting portion 12). (B) When the light guide member 20 is fixed to the light guide member mounting portion 12, the end portion 20a of the light guide member 20 is pressed against the inclined surface 13b1. Thus, the arm portion 13a can be bent and expanded. Then, the locking projection 13b has an locking surface 13b2 that forms an acute angle with the inclined surface 13b1 and is formed toward the base end 13a1 side of the arm 13a, and the end 20a of the light guide member 20 is The light guide member 20 is guided by the light guide member 20 because it has a claw-receiving surface 20a1 that protrudes in a direction opposite to the locking protrusion 13b and is locked by being brought into contact with the locking surface 13b2. When the locking surface 13b2 and the claw receiving surface 20a1 are positioned on the same plane, the arm portion 13a is bent back due to its elasticity when the locking surface 13b2 and the claw receiving surface 20a1 are positioned on the same plane. The end portion 20a of the light guide member 20 can be locked to the locking projection 13b by contacting with 20a1. This eliminates the need for an assembly jig or the like that bends the arm portion 13a, thereby reducing the cost associated with the assembly jig or the like and further improving assemblability.

  Further, since the corner 20a2 of the end portion 20a of the light guide member 20 on the claw receiving surface 20a1 side is rounded, the locking projection 13b easily gets over the end portion 20a of the light guide member 20, The stop surface 13b2 and the claw receiving surface 20a1 can be easily brought into contact with each other. Therefore, the end portion 20a of the light guide member 20 can be smoothly locked to the locking projection 13b, and the assemblability is further improved. Can be made.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

It is sectional drawing of the display apparatus which shows one Embodiment of this invention. It is the elements on larger scale of the location enclosed by the ellipse in FIG. It is a front view of the display apparatus of FIG. It is a front view of the case of the display apparatus of FIG. FIG. 3 is an exploded view of the display device case and the light guide member of FIG. 1. FIG. 2 is a partially enlarged cross-sectional view illustrating a state where an end portion of a light guide member and a fixed claw are in contact with each other in the display device of FIG. 1. It is a partial expanded sectional view which shows the state which the fixed nail | claw bent in the display apparatus of FIG. FIG. 10 is an exploded view showing a conventional display device. It is sectional drawing which shows the other conventional display apparatus. It is the elements on larger scale of the location enclosed by the ellipse in FIG. FIG. 10 is a partial enlarged cross-sectional view illustrating a state in which the end portion of the light guide member and the fixed claw are in contact with each other in the display device of FIG. 9.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Display apparatus 10 Case 11 Light reflection surface 12 Light guide member attachment part (attachment position)
13 Fixed claw 13a Arm part 13b Locking projection part 13b1 Inclined surface 13b2 Locking surface 20 Light guide member 20a End part of light guide member 20a1 Claw receiving surface 20a2 Corner

Claims (3)

A case, a light reflecting surface integrally provided in the case, a light guide member that is fixed by being overlapped at a predetermined mounting position on the light reflecting surface, and the light guide provided integrally with the case In a display device having a fixing claw for fixing a member at the mounting position,
The fixed claw is formed to extend from the inside to the outside of the attachment position and has a flexible arm, and is formed at the tip of the arm to protrude toward the attachment position and to the end of the light guide member And a locking projection for locking the portion. An inclined surface formed so that the locking projection portion moves away from the arm portion as it goes from the distal end to the proximal end of the arm portion, and forms an acute angle with the inclined surface and toward the proximal end side of the arm portion A locking surface formed,
An end portion of the light guide member is formed so as to protrude in a direction facing the locking projection, and further has a claw receiving surface that is brought into contact with and locked by the locking surface. The display device according to claim 1.   The display device according to claim 2, wherein corners of the end portions of the light guide member on the claw receiving surface side are rounded.

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