JP2015175794A - vehicle display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle display device that is stereoscopic and gives a depth feeling while contributing to space-saving in a depth direction.SOLUTION: A vehicle display device 1 includes: an indicator 21; a dial face 22 where an index part to be indicated by the indicator 21 is formed on a front surface; a first light source 25; a first light guide body 220 for performing illumination with the light of the first light source 25 from the rear surface of the dial face 22; a decorative member 24 surrounding the index part of the dial face 22; a second light source 26 lights with a color different from that of the first light source 25; a second light guide body 23 for illuminating a boundary between the decorative member 24 and the dial face 22 by guiding the light of the second light source 26 from a side part; and a protection plate 4 for performing protection by covering the front surface of the decorative member 24. The decorative member 24 is arranged at a predetermined interval from the protection plate 4. The decorative member 24 includes: a frame part 240 closest to the protection plate 4; and an inclination part 241. The frame part 240 is formed to allow a light amount for reflection toward the protection plate 4 from the second light guide body 23 to be larger compared with the inclination part 241.

Description

  The present invention relates to a display device for a vehicle that is three-dimensional and has a sense of depth while contributing to space saving in the depth direction.

2. Description of the Related Art Conventionally, various proposals have been made for the purpose of providing a three-dimensional and novel appearance with a sense of depth in a vehicular display device that indicates a dial with a pointer.
For example, in Patent Document 1, a light guide plate that guides light of a light source from a side surface direction to a dial plate direction is overlapped on a dial plate, and an outer peripheral side end portion of the light emitting portion of the light guide is defined as a dial plate. On the other hand, it has been proposed that the inner peripheral end of the light guide is positioned away from the dial, so that the light emitting part at the inner peripheral end of the light guide emits light at different depths. The effect of increasing the feeling of depth is given to the vehicle display device.

JP 2003-65809 A

  However, in recent years, there is also a demand for space saving in the depth direction of the display device for vehicles. For example, the decorative member is less undulated in the depth direction to save space. There is a problem that it becomes difficult to provide a novel and attractive appearance.

  In view of the above-described problems, an object of the present invention is to provide a vehicle display device that is three-dimensional and has a sense of depth while contributing to space saving in the depth direction.

A vehicle display device according to the present invention includes:
Guidelines,
A dial plate on the surface of which an indicator portion indicated by the pointer is formed;
A first light source;
A first light guide that illuminates the light of the first light source from the back surface of the dial;
A decorative member surrounding the indicator portion of the dial,
A second light source that shines in a different color from the first light source;
A second light guide for guiding and illuminating the light of the second light source from the side at the boundary between the decorative member and the dial;
A vehicular display device comprising a protective plate that covers and protects the front surface of the decorative member,
The decorating member is disposed with a predetermined interval between the protective plate.

In addition, the vehicle display device according to the present invention is preferably,
The decorative member has a frame portion that is closest to the protective plate, and an inclined portion that is inclined from the frame portion toward the dial plate,
The frame portion is formed such that the amount of light reflected from the second light guide to the protection plate is higher than that of the inclined portion.

Moreover, the display device for a vehicle according to the present invention preferably has
The decorative member has a boundary slope at the boundary between the frame portion and the inclined portion, in which the amount of light reflected from the second light guide to the protection plate is higher than that of the frame portion.

In addition, the vehicle display device according to the present invention is preferably,
The pointer has a pointer cap,
The pointer cap has a slope at the boundary between the upper surface and the side surface that makes the amount of light reflected from the second light guide to the protection plate higher than the upper surface and the side surface.

  According to the present invention, it is possible to provide a vehicle display device that is three-dimensional and has a sense of depth while contributing to space saving in the depth direction.

The front view of the display apparatus for vehicles which is an embodiment of the present invention. Sectional drawing in AA of the display apparatus for vehicles which is the embodiment. The enlarged view of the pointer | guide of the display apparatus for vehicles which is the embodiment. The enlarged view of the decorating member of the display apparatus for vehicles which is the embodiment. The enlarged view of the frame part of the decorating member of the display apparatus for vehicles which is the embodiment.

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

  The vehicle display device 1 according to the present invention includes a pointer-type meter 2, a display 3, a protection plate 4, an intermediate case 5, and an outer case 6.

  The pointer-type meter 2 includes a pointer 21, a dial plate 22 having an index portion formed on the surface (a surface on the F side in FIG. 2), a light guide (first light guide) 220, and a light guide (second A light guide) 23, a decorative member 24, a light source (first light source) 25, a light source (second light source) 26, a motor 27, and a circuit board 28, and corresponds to a measured value of the vehicle. By indicating the position of the indicator portion of the dial 22 with the pointer 21, the measured value of the vehicle is displayed.

  The vehicle display device 1 includes a speedometer 2a and an engine tachometer 2b as a pointer-type meter 2, the speedometer 2a displays the traveling speed of the vehicle, and the engine tachometer 2b displays the engine speed of the vehicle. To do.

  The pointer 21 is provided with a pointer cap 210 on a rotating shaft, and a slope 213 is formed between the upper surface 211 and the side surface 212 of the pointer cap 210. Further, the pointer cap 210 is colored with black having low reflectivity, and the upper surface 211 is located between the dial 22 and a frame portion 240 described later of the decorating member in the depth direction (the FB direction in FIG. 2).

  The inclined surface 213 is formed at an angle that reflects light from the side surface well in the direction of the protection plate 4 compared to the upper surface 211 and the side surface 212, and particularly reflects light from the light guide 23 described later to the protection plate 4 side. It is preferable to form at an angle.

  The dial 22 has a reflective property other than a position corresponding to an indicator portion made of numerals or figures on a synthetic resin light guide 220 having transparent or translucent translucency (including translucency). A black printed layer 221 having a low thickness is formed. The light guide 220 guides the light emitted from the white light source 25 made of LEDs or the like mounted on the circuit board 28 to the surface of the dial 22 from the portion where the print layer 221 is not formed. Make the part shine white. The light guide 220 also guides the light emitted from the light source 25 to the pointer 21 to make the pointer 21 shine white.

  The light guide 23 guides the light emitted from the blue light source 26 made of an LED or the like to illuminate the dial 22 from the side (L or R direction in FIG. 2). Further, the light guided by the light guide 23 reflects the dial plate 22 and is also irradiated to the pointer cap 210 of the pointer 21 and the decorating member 24.

  The decorative member 24 is made of synthetic resin, surrounds the pointer-type meter 2, conceals the light guide 23, and protrudes from the dial 22 to the protective plate 4. give. Moreover, since the light guide 23 is concealed by the decorating member 24, the boundary between the dial 22 and the decorating member 24 appears to shine blue.

The decorative member 24 is provided with a frame portion 240 in proximity to the outer protective plate 4. The surface of the frame part 240 performs black printing with low reflectivity on the surface.
Further, the protection plate 4 and the frame portion 240 are arranged close to each other with a gap of less than 1 to 2 mm so that the driver does not notice the step when the frame portion 240 is visually recognized through the protection plate 4. Due to the gap of less than 1 to 2 mm, the light from the light guide 23 reaches the frame portion 240 and is reflected by the protective plate 4 to shine blue.
The frame 240 is preferably provided with fine irregularities as shown in FIG. 5 so as to reflect the light from the light guide 23 to the protective plate 4 more.

  Further, the decoration member 24 is provided with an inclined portion 241 that is inclined from the frame portion 240 to the dial plate 22. The inclined portion 241 is black printed with low reflectivity on the surface and has a textured process so that light from the light guide 23 does not reflect to the protection plate 4 and does not shine compared to the frame portion 240. It has become.

  In addition, the decorative member 24 forms a boundary slope 242 between the frame portion 240 and the inclined portion 241. The boundary slope 242 is brighter than the frame 240 and shines in blue by making the slope at an angle that reflects light from the light guide 23 well to the protective plate 4.

  The motor 27 is formed of, for example, a stepping motor, and the pointer 21 is attached to the rotating shaft. The motor 27 rotates the pointer 21 to a specified angle in accordance with control from a control unit mounted on a circuit board 28 described later.

  The circuit board 28 has a CPU for controlling the light source 25, the light source 26, and the motor 27 and various electronic components mounted on the front and back sides.

  The display 3 is made of, for example, a thin film transistor type color liquid crystal module, and displays vehicle information such as the amount of remaining fuel, fuel consumption information, and road guidance information as an image. The display 3 may be a multi-dot or segment type or an EL (Electro Luminescence) module.

  The protection plate 4 is formed with a first reflected light suppressing layer 41 on the surface of the flat base material 40 (the surface on the F side in FIG. 2), the light shielding layer 42 on the back surface (the surface on the B side in FIG. 2), A two-reflection light suppressing layer 43 and a bonding layer 44 are formed to cover and protect the speedometer 2a, the engine tachometer 2b, and the display 3.

  The first reflection suppression layer 41 is formed of a thin film that reduces reflected light by characteristics such as polarization, AR (Anti Reflect), AG (Anti Glare), and semi-transmission, and the substrate 40 is coated by a technique such as vapor deposition or sputtering. Form on the surface. The first antireflection layer 41 may be formed by attaching a separately formed thin film to the surface of the substrate 40 with a pressure or an adhesive.

  The light shielding layer 42 is made of, for example, an opaque black printing layer, and is formed so as to cover the speedometer 2 a, the engine tachometer 2 b, and the display 3 so as not to be visible through the protective plate 4. Further, the light shielding layer 42 may be formed on the surface of the substrate 40.

  The second reflection suppression layer 43 is made of, for example, a thin film similar to the first reflection suppression layer 41 and is formed so as to cover a position corresponding to the display area of the pointer-type meter 2 on the back surface of the base material 40.

  The bonding layer 44 is, for example, a silicon-based, urethane-based, or acrylic-based colorless and transparent liquid photo-curing property for bonding the protective plate 4 to the front surface of the display 3 (the F-side surface in FIG. 2) by optical carboxylation. The resin is formed by curing with ultraviolet irradiation. Here, the bonding layer 44 and the second reflected light suppressing layer are formed so as not to be stacked. Further, the bonding layer 44 is not limited to a photocurable material, and may be a thermosetting material.

  The middle case 5 is made of an opaque synthetic resin and supports the circuit board 28. Further, the middle case 5 is provided with a light shielding wall 50 between the speedometer 2a and the display 3 and between the engine tachometer 2b and the display 3 so as to block each other's light.

  The outer case 6 is made of an impermeable synthetic resin, and stores each instrument (speedometer 2a, engine tachometer 2b, display 3) and the middle case 5 and supports the protective plate 5.

By taking the above embodiment, the display device 1 for a vehicle according to the present invention is such that the indicator portion of the dial 22 shines white with the light of the white light source 25, while the dial 22 and the decorative member 24. And the frame part 240 of the decorative member 24 shine blue with the light of the blue light source 26.
Thereby, it is emphasized that the dial 22, the inclined portion 241 of the decorative member 24, and the protective plate 4 are in different levels in the depth, and the driver can further enhance the three-dimensional effect and the depth sense. Therefore, even if the decorative member 24 is less undulated in the depth direction or the clearance between the decorative member 24 and the protective plate 4 is reduced as close as possible, the vehicle display has a three-dimensional depth. A device 1 can be provided.

  In addition, the decorative member 24 is provided with a boundary slope 242 between the frame portion 240 and the inclined portion 241 that reflects the blue light from the light source 26 to the protective plate 4 more strongly than the frame portion 240. The boundary between the 24 frame portions 240 and the inclined portion 241 is emphasized, and the stereoscopic effect can be enhanced and the appearance can be improved.

  Moreover, in order to provide the slope 213 which reflects the light from the light source 26 to the protective plate 4 and shines blue between the upper surface 211 and the side surface 212 of the pointer cap 210, the dial 22 and the inclined portion of the decorative member 24 are provided. In addition to the fact that 241 and the protective plate 4 are in different levels on the depth, it is emphasized that the pointer cap 210 and the pointer 21 connected thereto are in different levels on the depth, and the driver has a more three-dimensional effect. And a sense of depth.

  As mentioned above, although embodiment of this invention was described, not only these but various deformation | transformation can be performed.

  For example, the light guide 23 protrudes so as to expose a part to the driver without concealing all of the decoration member 24, and makes the driver visually recognize that the light guide 23 itself shines, The depth feeling between the dial 22 and the decorating member 24 may be emphasized.

  Further, the protection plate 4 may be formed by forming the base material 40 as a substantially flat, minimal curved surface having a radius of curvature of R800 mm or more, thereby enhancing a further three-dimensional effect and depth.

  The present invention is suitable, for example, as a vehicle information display device mounted on a moving body including an automobile, a motorcycle, an agricultural machine, or a construction machine.

DESCRIPTION OF SYMBOLS 1 Display apparatus for vehicles 2 Pointer type meter 2a Speedometer (pointer type meter)
2b Engine tachometer (pointer-type instrument)
21 Pointer 210 Pointer cap 211 Upper surface 212 Side surface 213 Slope 22 Dial 220 Light guide (first light guide)
221 Print layer 23 Light guide (second light guide)
24 decoration member 240 frame part 241 inclined part 242 boundary slope 25 light source (first light source)
26 Light source (second light source)
27 motor 28 circuit board 3 display instrument 4 protective plate 40 base material 41 first reflected light suppressing layer 42 light blocking layer 43 second reflected light suppressing layer 44 bonding layer 5 middle case 50 light blocking wall 6 outer case

Claims (4)

Guidelines,
A dial plate on the surface of which an indicator portion indicated by the pointer is formed;
A first light source;
A first light guide that illuminates the light of the first light source from the back surface of the dial;
A decorative member surrounding the indicator portion of the dial,
A second light source that shines in a different color from the first light source;
A second light guide for guiding and illuminating the light of the second light source from the side at the boundary between the decorative member and the dial;
A vehicular display device comprising a protective plate that covers and protects the front surface of the decorative member,
The display device for vehicles, wherein the decorating member is disposed with a predetermined interval between the decorative member and the protective plate. The decorative member has a frame portion that is closest to the protective plate, and an inclined portion that is inclined from the frame portion toward the dial plate,
The vehicle display device according to claim 1, wherein the frame portion is formed such that the amount of light reflected from the second light guide to the protection plate is higher than that of the inclined portion. The decorating member has a boundary slope at which the amount of light reflected from the second light guide to the protection plate is higher than that of the frame at the boundary between the frame and the inclined portion. The vehicle display device according to claim 2. The pointer includes a pointer cap,
The said pointer cap has the slope which made the light quantity reflected from the said 2nd light guide to the said protective plate higher than the said upper surface and the said side surface in the boundary of an upper surface and a side surface. The vehicle display device according to any one of the preceding claims.

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