JP5139741B2 - Vehicle display device - Google Patents

Description

  The present invention relates to a vehicle display device that displays vehicle information.

  2. Description of the Related Art Generally, vehicles such as automobiles are provided with a vehicle display device having a display panel including a display unit that displays a vehicle speed, a rotational speed, and the like, and an indicator unit that displays a shift position of an automatic transmission and the like. The driver visually recognizes the display panel and acquires various vehicle information.

  The display unit that displays the vehicle speed, the number of revolutions, and the like arranged side by side on the display panel has a dial plate made of a translucent substrate having a design pattern such as a scale formed on the surface, and is arranged on the front surface of the dial plate And a light source of a predetermined color disposed on the rear surface of the dial. In the dial, for example, the design pattern portion has translucency, and portions other than the design pattern portion have light shielding properties. A reflective surface or the like by a case is provided on the back surface of the display panel, and the display unit is illuminated by directing light from the light source directly or indirectly by reflection to the back surface of the dial. It has become. The light emission color of the light source is, for example, white or orange.

  Between the display units of the display panel, for example, as shown in FIG. 9, a shift display unit 31 as an indicator unit 3 for displaying the shift position of the automatic transmission is provided. In the shift display portion 31, a plurality of design patterns 311 that display shift positions of P, R, N, D, etc. are formed side by side on the surface of the translucent substrate 312. A position light source 317 of a predetermined color that individually illuminates the plurality of design patterns 311 corresponding to the plurality of design patterns 311 is provided on the back side of the shift display portion 3 of the display panel. In the design pattern 311 of the shift display unit 31, for example, the design pattern portion has translucency, and the portions other than the design pattern portion have light shielding properties. When the position light source 317 of the shift display unit 31 at the shift position is turned on, the light from the position light source 317 is irradiated to the corresponding design pattern 311 to display the shift position of the automatic transmission. Yes. The light emission color of the position light source 317 is, for example, green or orange. Further, a light guide plate 315 is provided on the lower surface of the shift display unit 31 to receive light from the light source 316 from the side and to cause the entire shift display unit to emit light. Then, light emission is displayed in the print color of the colored print layer 319 provided on the back surface of the shift display unit 31. The light emission color of the light source 316 that causes the entire shift display unit 31 to emit light is, for example, white, and the printing color of the colored printing layer 319 is blue-green (see Patent Document 1).

In the vehicular display device, the entire design pattern 311 of the shift display unit 31 as the indicator unit 3 of the display panel is displayed in a blue-green display color, and as shown in FIG. When the design pattern 311 is displayed in orange having a complementary color relationship with the blue-green color, the design pattern 311 portion displaying the shift position mixes two display colors in the complementary color relationship and darkens. There is a problem that it becomes gray or black and it is difficult to visually recognize where the shift position is.
JP 2002-48605 A

  The present invention aims to solve such problems. That is, the present invention provides a design that the light source illuminates even when the normal display colors of the plurality of design patterns on the indicator portion of the display panel are complementary to the light source colors of the light sources that individually illuminate the plurality of design patterns. An object of the present invention is to provide a vehicular display device that can surely visually recognize a pattern and improve the visibility.

In order to achieve the above object, a display device for a vehicle according to claim 1 corresponds to a display panel provided with a light shielding portion on a surface of a light-transmitting substrate except for a plurality of design patterns, and the plurality of design patterns. And an LED light source provided on the back side of the display panel and individually illuminating the plurality of design patterns, wherein the display panel is at least on the plurality of design patterns. It has a complementary color light control portion made of a light-transmitting coloring material complementary to the light source color of the LED light source provided correspondingly.

  The vehicular display device according to claim 2 is the vehicular display device according to claim 1, wherein the complementary color light control portion is a halftone dot print layer, or a solid print layer printed in a halftone dot shape, or , Or a single printing layer formed from a grid printing layer or a solid printing layer printed in a grid pattern.

The vehicle display device according to claim 3 is the vehicle display device according to claim 1, wherein the display panel guides light from the second LED light source to the rear surface of the display panel, and the display panel is moved from the rear surface side. It has a light guide part for illuminating, a smoke part on the surface of the display board, and the complementary color light control part is provided between the light guide part and the display board. .

  According to a fourth aspect of the present invention, in the vehicle display device according to the first aspect, the display panel has the complementary color light control portion on the surface of the display panel.

  The vehicle display device according to claim 5 is the vehicle display device according to claim 4, wherein the display board has a smoke part between the complementary color light control part and the display board. It is a feature.

According to the display device for a vehicle according to claim 1, a display panel provided with a light-shielding portion excluding a plurality of design patterns on the surface of the translucent substrate, and the display panel corresponding to the plurality of design patterns. An LED light source provided on the back side and individually illuminating the plurality of design patterns, wherein the display panel is provided corresponding to at least the plurality of design patterns. Since the light source color of the LED light source has a complementary color control portion made of a light-transmitting coloring material complementary to the light source color, the plurality of design pattern portions of the display panel are always provided corresponding to the plurality of design patterns. It is visually recognized by the display color of the coloring material of the complementary color control portion made of a light-transmitting coloring material complementary to the light source color of the LED light source. Further, when the LED light source for illuminating the design pattern individually is lit, since the illumination light of the LED light source is transmitted through the portion not translucent colored material portion of the auxiliary shade light portion remains light source color, design pattern is visible Will come to be.

Design Therefore, always display color of the plurality of design patterns of the indicator portion of the display panel is, even if there a plurality of design patterns in the light source color and complementary color of the LED light source for illuminating individually, wherein the LED light source illuminates The pattern can be reliably recognized, and thus the visibility of the vehicle display device can be improved.

  According to the vehicle display device of claim 2, the complementary color light control unit is a halftone dot print layer, a solid print layer printed in a halftone dot pattern, a grid print layer, or a grid shape. Since it is composed of a single printing layer formed from a solid printing layer that has been printed on, fine adjustment of the display color of the design pattern can be made by changing the density of the halftone dot printing portion or the lattice printing portion. It can be carried out.

According to the vehicle display device according to claim 3, the display panel has a light guide unit that guides light from the second LED light source to the back surface of the display panel and illuminates the display panel from the back surface side. Since there is a smoke part on the surface of the display board, and the complementary color light control part is provided between the light guide part and the display board, in a plurality of design pattern portions of the display board, The light from the second LED light source guided from the light guide unit to the display panel passes through the complementary color control unit made of a translucent coloring material between the light guide unit and the display panel, thereby coloring the complementary color control unit. It becomes visible with the display color of the material. Further, when the LED light source for illuminating the design pattern individually is lit, since the illumination light of the LED light source is transmitted through the portion not translucent colored material portion of the auxiliary shade light portion remains light source color, design pattern is visible Will come to be.

In addition, the display panel has a light guide unit that guides light from the second LED light source on the back surface of the display panel to illuminate the display panel from the back surface side, and has a smoke part on the surface of the display panel. Therefore, when the light of the second LED light source is not guided to the light guide part, that is, when the ignition of the vehicle is OFF, the design pattern of the display panel is not visible at all in the smoke part of the display panel. A face-type vehicle display device can be obtained.

Therefore, in a black face type vehicle display device, the display colors of the plurality of design patterns on the indicator unit of the display panel are related to the light source color of the LED light source that individually illuminates the plurality of design patterns and a complementary color relationship Even in this case, the design pattern illuminated by the LED light source can be reliably recognized, and thus the visibility of the vehicular display device can be improved.

According to the display device for a vehicle according to claim 4, since the display panel has the complementary color light control portion on the surface of the display panel, in the plurality of design pattern portions of the display panel, It is visually recognized by the display color of the coloring material of the complementary color control portion made of a light-transmitting coloring material complementary to the light source color of the LED light source provided corresponding to the plurality of design patterns. Further, when the LED light source for illuminating the design pattern individually is lit, since the illumination light of the LED light source is transmitted through the portion not translucent colored material portion of the auxiliary shade light portion remains light source color, design pattern is visible Will come to be.

Design Therefore, always display color of the plurality of design patterns of the indicator portion of the display panel is, even if there a plurality of design patterns in the light source color and complementary color of the LED light source for illuminating individually, wherein the LED light source illuminates The pattern can be reliably recognized, and thus the visibility of the vehicle display device can be improved.

  According to the display device for a vehicle according to claim 5, since the display panel has a smoke part between the complementary color light control part and the display panel, the presence of the design pattern on the display panel is smoked. Therefore, the vehicle display device can be made more luxurious.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a vehicular display device 1 according to the present invention. The vehicular display device 1 serves as a display unit 2 that displays a vehicle speed, a rotational speed, and the like, and an indicator unit 3 that displays a shift position of an automatic transmission. It has the display panel 4 provided with the warning display part 32 as the shift display part 31 and the indicator part 3 which displays the abnormal content of a vehicle. The display panel 4 is assembled to a meter case 5, and the surface side is covered with a transparent cover 6 for preventing dust and the like from entering the inside.

  As shown in FIG. 2, the display unit 2 arranged side by side on the display panel 4 for displaying the vehicle speed, the number of revolutions, etc. has a transparent printing layer 22 formed on the surface except for a design pattern 21 such as a scale. A dial plate 23 made of an optical substrate, a pointer (not shown) disposed on the front surface of the dial plate 23, and an internal unit (not shown) that drives the pointer in accordance with a measurement amount are provided. A reflective surface is provided on the back surface of the dial by the case 5, and the light from the light source 27 is guided directly or indirectly to the back surface of the dial 23 by reflection, so that the display on the display panel 4 is displayed. Part 2 is illuminated.

  As shown in FIGS. 1 to 3, a shift display unit 31 as an indicator unit 3 for displaying the shift position of the automatic transmission is provided between the speedometer 2a, which is the display unit 2 of the display panel 4, and the tachometer 2b. Is provided. A plurality of compartments 52 are formed side by side at a position corresponding to the shift display portion 31 of the meter case 5 to which the display panel 4 is assembled.

  In the vehicular display device 1 according to this embodiment, as shown in FIGS. 3 and 4, P, R, N, and D are formed on the front surface of the plurality of compartments 52 and on the surface of a light-transmitting substrate such as acrylic resin. A shift display lens 312 is provided as a display panel on which a plurality of design patterns 311 for displaying the shift positions are formed. The shift display lens 312 forms a plurality of design patterns 311 on the surface thereof by forming a light-shielding print layer 313 as a light-shielding portion except for the plurality of design patterns 311 on the surface. Each design pattern 311 a of the plurality of design patterns 311 is arranged corresponding to each compartment 52 a of the plurality of compartments 52. Further, a smoke print layer 314 as a smoke portion is formed on the surface of the shift display lens 312 on which the plurality of design patterns 311 are formed.

  As shown in FIGS. 3 and 4, a light guide plate 315 as a light guide unit formed of a light-transmitting light guide material such as acrylic resin is provided on the rear surface of the shift display lens 312. . For example, a white illumination LED 316 is provided at a location facing the edge portion 315 a of the light guide plate 315. The entire LED for display shift 312 is illuminated from the back side by the LED 316 for illumination.

  The plurality of compartments 52 corresponding to the plurality of design patterns 311 of the shift display lens 312 are provided with illumination LEDs 317 that individually illuminate the corresponding design patterns 311a. The illumination LED 317 is, for example, an orange LED which is one of the ones provided in each of the compartments 52a.

  In the present invention, as shown in FIG. 4, the shift display lens 312 is made of a complementary color light control composed of a translucent coloring material of a blue-green color complementary to the orange color of the illumination LED 317 that individually illuminates each design pattern 311 a. A halftone dot printing layer 318a is provided as a part. The halftone dot printing layer 318 a is formed between the light guide plate 315 and the shift display lens 312. More specifically, the halftone dot printing layer 318a is formed on the back surface of the shift display lens 312 and at least at a position corresponding to each design pattern 311a. As shown in FIG. 5A, the halftone dot printing layer 318a is a fine dot-like printing layer, and the dot-like printing portion A is formed of a blue-green translucent coloring material. The portion B is formed without coloring.

  The halftone dot printing layer 318 a may be formed on the surface of the light guide plate 315 as long as it is between the light guide plate 315 and the shift display lens 312. Further, the halftone dot printing layer 318a may be formed not only at a position corresponding to each design pattern 311a but also at a position corresponding to the entirety of the plurality of design patterns 311.

  In the present invention, the shift display lens 312 has a halftone dot printing layer 318a made of a translucent coloring material of a blue-green color complementary to the orange color of the illumination LED 317 that individually illuminates each design pattern 311a. ing. The shift display lens 312 has a light guide plate 315 that guides light from the illumination LED 316 on the back surface and illuminates the entire shift display lens 312 from the back surface side, and has a smoke print layer 314 on the surface thereof. ing.

  Therefore, when the ignition of the vehicle is OFF, the so-called black face type vehicle display device 1 in which the plurality of design patterns 311 of the entire shift display lens 312 are not visually recognized at all by the smoke printed layer 314 is obtained. Yes. It should be noted that when the ignition is OFF, the black face type vehicle display device that prevents the display unit 2 for displaying the vehicle speed, the number of revolutions, and the like and the indicator unit 3 for displaying the shift position of the automatic transmission from being visually recognized at all. 1, the smoke print layer 314 is also formed on the surface of the dial 23 of the display unit 2.

  When the ignition of the vehicle is turned on, the light from the white illumination LED 316 guided from the light guide plate 315 to the shift display lens 312 is always in the plurality of design patterns 311 of the shift display lens 312 and the light guide plate 315. By transmitting the blue-green translucent coloring material portion (A portion in FIG. 5A) of the halftone dot print layer 318a between the shift display lens 312 and the entire design pattern 311 is blue-green. Visible.

  Further, when the orange illumination LED 317 that individually illuminates each design pattern 311a corresponding to the shift position of the shift display unit 31 is turned on, a predetermined shift position is displayed. Then, the orange illumination light passes through the portion (B portion in FIG. 5A) that is not the translucent coloring material portion of the halftone dot print layer 318a of each corresponding design pattern 311a while keeping the orange light source color. The illumination light is transmitted through the translucent coloring material portion (A portion in FIG. 5A) of the halftone dot printing layer 318a, and the orange light source color and the display color of the blue-green coloring material are mixed. It is known that when complementary colors such as orange and blue-green are mixed, it becomes dark gray or black. Accordingly, in each design pattern 311a that displays a predetermined shift position of the shift display section 31, a portion that is not a translucent coloring material portion of the halftone print layer 318a under a dark gray or black background color (FIG. 5A). The design pattern 311a is clearly visually recognized by the orange light source color of the illumination LED 317 that has passed through the portion B).

  Therefore, when the normal display color (blue green) of the plurality of design patterns 311 of the shift display lens 312 is complementary to the light source color (orange) of the illumination LED 317 that individually illuminates the plurality of design patterns 311 However, the predetermined design patterns 311a at the shift position can be surely visually recognized, and the visibility of the vehicle display device 1 can be improved.

  Instead of the halftone dot printing layer 318a serving as the complementary color control portion, as shown in FIG. 5B, a dot-like non-colored portion B is formed in the solid print A made of a blue-green translucent coloring material. As shown in FIG. 5C, the grid-like printed portion A 318b is formed of a blue-green translucent coloring material and the other portion B is printed. Is a non-colored lattice printed layer 318c or a lattice-shaped uncolored portion B formed in a solid print A made of a blue-green translucent colored material as shown in FIG. The solid printing layer 318d can be formed by printing out the ink.

  The complementary color light control unit includes the halftone dot printing layer 318a, the solid printing layer 318b printed out in the halftone dot shape, the lattice printing layer 318c, and the solid printing layer 318d printed out in the lattice shape. Since it is composed of one printing layer to be formed, the display color of the design pattern 311 can be finely adjusted by changing the density of the halftone dot printing portion or the grid printing portion.

  Next, another embodiment of the present invention will be described. In the vehicle display device 1 according to the present embodiment, as shown in FIGS. 1, 6 and 7, for example, a warning as an indicator unit 3 is provided below a tachometer 2b as a display unit 2 of the display panel 4. A display unit 32 is provided. The warning display unit 32 is formed of a plurality of design patterns 321 made of pictographs for displaying the abnormal contents of the vehicle. A plurality of compartments 53 are formed side by side at a position corresponding to the warning display portion 32 of the meter case 5 to which the display panel 4 is assembled.

  On the front surface of the plurality of compartments 53, a warning display lens 322 is provided as a display panel in which a plurality of design patterns 321 made of pictographs are formed on the surface of a translucent substrate such as an acrylic resin. A plurality of design patterns 321 are formed on the surface of the warning display lens 322. Each design pattern 321 a of the plurality of design patterns 321 is arranged corresponding to each compartment 53 a of the plurality of compartments 53.

  As shown in FIG. 7, the plurality of design patterns 321 on the surface of the warning display lens 322 forms a light-shielding print layer 323 as a light-shielding portion except for the plurality of design patterns 321 on the surface of the warning display lens 322. Thus, the design pattern 321 is formed.

  The plurality of compartments 53 corresponding to the plurality of design patterns 321 of the warning display lens 322 are provided with illumination LEDs 324 that individually illuminate the corresponding design patterns 321a. The illumination LEDs 324 are, for example, orange LEDs provided one by one in each of the compartments 53a.

  In the present invention, as shown in FIG. 7, the warning display lens 322 is composed of a light-transmitting coloring material of a blue-green color complementary to the orange color of the illumination LED 324 that individually illuminates each design pattern 321 a. A halftone dot printing layer 325 is provided as a part. The halftone dot printing layer 325 is formed on the surface of the warning display lens 322 on which the plurality of design patterns 321 are formed, at least at positions corresponding to the design patterns 321a. It may be formed not only at a position corresponding to, but also at a position corresponding to the entirety of the plurality of design patterns 321.

  In the present invention, the warning display lens 322 has a halftone dot printing layer 325 made of a translucent coloring material of a blue-green color complementary to the orange color of the illumination LED 324 that individually illuminates each design pattern 321a. . Therefore, in the plurality of design patterns 321 of the warning display lens 322, the halftone dot print layer 325 that is complementary to the light source color (orange) of the illumination LED 324 provided corresponding to each design pattern 321a is normally used. It is visually recognized by the display color (blue green) of the coloring material.

  In addition, when the illumination LED 324 that individually illuminates each design pattern 321a of the warning display lens 322 is turned on to display the warning state of the vehicle, the illumination light of the light source is translucent in the halftone print layer 325. While the light source color (orange) is transmitted through the portion that is not the coloring material portion, the illumination light is transmitted through the translucent coloring material portion of the halftone print layer 325 and the light source color (orange) and the display color of the coloring material ( Blue-green) is mixed to dark gray or black. Therefore, in each design pattern 321a that displays a predetermined warning display of the warning display unit 32, an illumination LED 324 that has transmitted a portion that is not a translucent colored material portion of the halftone print layer 325 under a dark gray or black background color. The design pattern 321a is clearly visible with the orange light source color.

  Therefore, when the normal display color (blue green) of the plurality of design patterns 321 of the warning display lens 322 is complementary to the light source color (orange) of the illumination LED 324 that individually illuminates the plurality of design patterns 321. However, each design pattern 321a that displays the warning state of the vehicle can be reliably recognized, and the visibility of the vehicle display device 1 can be improved.

  Instead of the halftone dot printing layer 325 serving as the complementary color control portion, the solid printed out in a halftone dot shape in which dot-like non-colored portions are formed during the solid printing with the blue-green translucent coloring material described above. Solid printing with a printing layer, a grid printing layer in which the grid-like printed portion is formed of a blue-green translucent coloring material and the other portions are formed uncolored, and a blue-green translucent coloring material It can be constituted by a solid printing layer printed out in a lattice shape in which a lattice-like uncolored portion is formed.

  FIG. 8 shows a modification of the embodiment shown in FIGS. 1, 6, and 7. In this modification, the light-shielding print layer 323 that forms a plurality of design patterns 321 on the surface of the warning display lens 322. A smoke printing layer 326 as a smoke portion, and a halftone dot printing layer 325 (blue green) complementary to the light source color (orange) of the illumination LED 324 provided corresponding to each design pattern 321a are sequentially formed. .

  In the present invention, since the warning display lens 322 has the smoke print layer 326 between the halftone print layer 325 and the light-shield print layer 323, the presence of the plurality of design patterns 321 of the warning display lens 322 is present. Can be covered with the smoke printing layer 326, and the vehicle display device 1 with a higher-class feeling can be obtained.

  In the above embodiment, a typical embodiment of the present invention is shown, but the present invention is not limited to the above embodiment, and various modifications can be made without departing from the object of the present invention.

  That is, in the said embodiment, although the shift display part 31 and the warning display part 32 as the indicator part 3 of the vehicle display apparatus 1 were demonstrated to the example, the structure of this invention is used as the display part 2 of the display apparatus 1 for vehicles. You may apply to the dial which displays a vehicle speed, rotation speed, etc.

  In addition, blue-green and orange have been described as examples of complementary colors, but other than this, a combination of colors such as green and red that have a complementary color relationship is suitable for the display color of the vehicle display device 1. If so, various color combinations are possible.

It is a front view which shows the display apparatus for vehicles which concerns on this invention. It is a partial expanded sectional view which shows the principal part of the display apparatus for vehicles of FIG. It is a perspective view which shows the principal part of the shift display part as an indicator part of the display apparatus for vehicles which concerns on one Embodiment of this invention. It is principal part sectional drawing of the shift display part of FIG. It is a figure explaining the printing layer as a complementary color light control part, (a) is a halftone dot printing layer, (b) is a solid printing layer by which printing was printed in the shape of a halftone dot, (c) is a lattice printing layer, (d) Indicates a solid print layer printed out in a grid pattern. It is a perspective view which shows the warning display part as an indicator part of the display apparatus for vehicles which concerns on other embodiment of this invention. It is principal part sectional drawing of the warning display part of FIG. It is principal part sectional drawing which shows the modification of the warning display part of FIG. It is sectional drawing which shows the conventional shift display part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Display apparatus for vehicles 2 Display part 2a Speedometer 2b Tachometer 23 Dial 3 Indicator part 31 Shift display part 311 Design pattern 312 Shift display lens (display board)
313 Light-shielding printing layer (light-shielding part)
314 Smoke print layer (smoke part)
315 Light guide plate (light guide part)
316 LED for lighting
317 LED for lighting
318a Halftone dot printing layer (complementary color light control part)
32 Warning Display Unit 321 Design Pattern 322 Warning Display Lens (Display Panel)
323 Light-shielding printing layer (light-shielding part)
324 LED for lighting
325 Halftone printing layer (complementary color light control part)
326 Smoke printing layer (smoke part)
4 Display panel 5 Case 52 Compartment room 53 Compartment room

Claims (5)

A display panel provided with a light-shielding portion excluding a plurality of design patterns on the surface of the translucent substrate;
An LED light source provided on the back side of the display panel corresponding to the plurality of design patterns and individually illuminating the plurality of design patterns, and a vehicle display device,
The display panel has at least a complementary color control portion made of a light-transmitting coloring material complementary to the light source color of the LED light source provided corresponding to the plurality of design patterns. Vehicle display device.   The complementary color light control portion is formed of a halftone dot printing layer, a solid printing layer printed out in a halftone dot shape, a lattice printing layer, or a solid printing layer printed out in a lattice shape. The vehicular display device according to claim 1, wherein the vehicular display device includes a printed layer. The display panel includes a light guide unit that guides light from the second LED light source on the back side of the display panel to illuminate the display panel from the back side, and a smoke unit provided on the front side of the display panel; , And
The vehicle display device according to claim 1, wherein the complementary color light control unit is provided between the light guide unit and the display panel.   The vehicle display device according to claim 1, wherein the display panel has the complementary color light control unit on a surface of the display panel.   The vehicle display device according to claim 4, wherein the display panel includes a smoke portion between the complementary color light control portion and the display panel.

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