JP2013113699A - Vehicular display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicular display device comprising a display panel on which a display area can be divided by a difference in quality or by printing giving stereoscopic effects.SOLUTION: A vehicular display device comprises a display panel 4 with which a design is formed for displaying vehicle information, a plurality of back lights 52, 53, 55 which illuminate the display panel 4 in a transmissive manner, and control means 54 which controls ON/OFF of the back lights 52, 53, 55 in accordance with the vehicle information. On the display panel 4, there are formed a pilot lamp area 45 including a pilot lamp 3 representing the state of a vehicle and a measurement display area 44 including measurement information display sections 1, 2 representing measurements of the vehicle information, by the ON/OFF of the back light 55. At the back side of a transparent substrate 43 in the pilot lamp area 45, a back print layer 451 is provided in which a display design indicating the vehicle information and a background of the design are printed, and at a display screen side of the transparent substrate 43 in the measurement display area 44, a display screen print layer 441 is provided in which backgrounds of the measurement information display sections 1, 2 are printed.

Description

  The present invention relates to a vehicle display device provided with a display board on which a design is formed by printing, and is particularly suitable for a composite vehicle display device that displays a plurality of vehicle information.

  As this type of vehicle display device, for example, as disclosed in Patent Document 1 below, a circuit board, a light source mounted on the circuit board, and a translucent display unit at a position corresponding to the light source are provided. And a light-emitting display portion that emits light when the light source is turned on.

  The display board includes a light-transmitting substrate, a light shielding layer formed on the back side of the substrate, a display portion formed by extracting a part of the light shielding layer into the shape of an indicator mark, and a display portion. A ground color layer having a light-shielding property formed on the front surface of the substrate with a corresponding cut-out portion, and a light-absorbing layer (smoke layer) formed on the front side of the substrate so as to cover the cut-out portion When the light source is turned off, the display portion is almost invisible due to the action of the light absorbing layer.

JP 2011-196976 A

  In these vehicle display devices, values displayed as vehicle information change from moment to moment, and in order to emphasize and express information with a relatively high update cycle, a decorated display board is used. May be used. In addition, there is a look-up member that hides the area other than the display area, or a decorative ring that gives an impression of being separated from other displays.

  However, in the case of a configuration in which a plurality of vehicle information is displayed using a single display board, it does not give a sufficiently partitioned impression, especially when the warning light is turned off. Is not sufficient in guiding the line of sight to display information with a high update period.

  Accordingly, an object of the present invention is to provide a display device for a vehicle including a display plate that is made by paying attention to the above-described problems and can partition a display area by printing that gives a difference in texture and a three-dimensional effect.

  The vehicle display device of the present invention includes a display board formed with a design for displaying vehicle information, a plurality of backlights that transmit and illuminate the display board, and the backlight is turned on according to the vehicle information. Control means for controlling / lighting off, wherein the display panel includes a display light area including a display light indicating a vehicle state by turning on / off the backlight, and the vehicle information A measurement display area including a measurement information display unit representing a measurement value is formed by printing on a transparent substrate, and a display design indicating the vehicle information and its background are printed on the back side of the transparent substrate in the indicator light area. And a display surface print layer on which a background of the measurement information display unit is printed on the display surface side of the transparent substrate in the measurement display area.

  The display surface printing layer includes a first background layer indicating a background of the measurement display area, a translucent overcoat formed so as to include the measurement display area and the indicator light area, and the overcoat. A second background layer showing the background of the measurement display area is partially formed on the display surface side of the coat.

  The present invention relates to a vehicular display device including a display plate on which a design is formed by printing, and is a vehicular display device including a display plate capable of partitioning a display area by printing that gives a difference in texture and a three-dimensional effect.

Sectional drawing of the instrument for vehicles which is embodiment of this invention. The figure which shows the example of a display in embodiment same as the above. Sectional drawing of principal parts, such as a display board in embodiment same as the above.

  Hereinafter, as an embodiment of a display device for a vehicle according to the present invention, an example applied to a vehicle instrument mounted on an automobile or a motorcycle will be described with reference to the drawings.

  As shown in FIGS. 1 and 2, the vehicle meter A displays vehicle information by an analog meter 1, a liquid crystal display panel 2, and an indicator lamp 3, and includes a display board 4, a circuit board 5, a case 6 is a composite instrument that shares 6

  The analog instrument 1 includes a pointer 11 that is rotated by a driving source 51 that is a motor mounted on a circuit board 5, and an index portion 41 that is indicated by the pointer 11 such as a scale or a numerical value. . Note that dedicated backlights 52 and 53 are mounted on the circuit board 5 in the pointer 11 and the indicator section 41, respectively. Further, the driving source 51 uses the control program by the control means 54 configured by a microcomputer or the like mounted on the circuit board 5 and the vehicle information obtained by communication from outside the vehicle meter A to set the pointer 11 to the measured value. Drive control is performed so as to instruct the desired index unit 41 in response. Therefore, the vehicle user can read the measurement value by the comparative interpretation of the pointer 11 and the indicator unit 41. In this case, the traveling speed of the vehicle can be confirmed.

  As shown in FIG. 2, the liquid crystal display panel 2 displays vehicle information other than the vehicle information (traveling speed) shown in the analog instrument 1, so that the vehicle information is expressed by numerical values, bar display, or the like under the control of the control unit 54. be able to. The liquid crystal display panel 2 is connected to the wiring of the circuit board 5 so that a control signal from the control means 54 can be input, and is provided so that the display area can be viewed through the cutout window 42 of the display panel 3. The liquid crystal display panel 2 is mounted with a backlight that faces the circuit board 5 on the back side.

  In this case, the liquid crystal display panel 2 displays a fuel remaining amount indicated by a bar display, a fuel consumption rate indicated by a numerical value, an accumulated travel distance (ODO), a section travel distance (TRIP), and the like. In response to an operation signal from an operation switch (not shown), the screen can be switched to display other vehicle information, for example, vehicle outside temperature (outside air temperature), average fuel consumption rate, average traveling speed, time, maintenance information, etc. it can.

  As shown in FIGS. 2 and 3, the indicator lamp 3 displays vehicle information such as an indicator and a warning lamp, and displays an operation state by the vehicle user and a warning state of the vehicle. In addition, the indicator lamp 3 is provided so as to transmit the illumination of the backlight 55 in a predetermined shape by the display 55 and the backlight 55 that is switched on / off by drive control from the control means 54.

  In addition, a backlight 55 is mounted on the display lamp 3 at a position facing the transmitted illumination portion of the circuit board 5, and the display board 4 and the circuit board 5 are prevented so that the backlight 55 does not illuminate the non-target display portion. A light shielding wall 61 that is also used as a spacer is provided. In this case, the indicator lamp 3 is provided with an indicator for a parking brake or a headlamp, and a warning lamp for notifying an abnormal state of the engine or battery.

  The display board 4 prints on a transparent substrate 43 made of a synthetic resin, thereby displaying a measurement display area 44 including measurement values of the analog instrument 1 and the liquid crystal display panel 2 and a status display of the indicator lamp 3 and the like. An indicator light area 45 is provided.

  In the measurement display area 44, a display surface printing layer 441 in which the indicator portion 41 of the measurement information display portion including the analog instrument 1 and the liquid crystal display panel 2 and the background are printed is formed on the display surface side of the transparent substrate 43. Yes. In this case, the display surface print layer 441 includes the indicator layer 441a of the indicator portion 41 (for example, light-transmitting white) provided on the surface of the transparent substrate 43 and the indicator portion 41 as a background other than the indicator portion 41. The first background layer (for example, light-shielding blue) 441b, the indicator layer 441a, the first background layer 441b, and the entire surface of the display board 4 including the display surface side of the transparent substrate 43 in the display lamp area 45 are covered. A light transmissive overcoat 441c and a second background layer (for example, similar to the first background layer 441b) provided in a predetermined pattern on the overcoat 441c and at a position corresponding to the first background layer 441b 441d.). In this case, the overcoat 441c is applied with a transparent layer (so-called matte layer) containing a light diffusing agent, and can prevent deterioration of visibility due to reflection by external light.

  In addition, the second background layer 441d is formed in a strip shape provided at a predetermined interval, and is partially provided via the first background layer 441a and the overcoat 441c, so that the first background layer 441a is separated from the first background layer 441a. Not only does the display give a floating three-dimensional feeling, but also the texture due to the overcoat 441c in the indicator lamp area 45 and the texture with surface change due to partial printing due to the second background layer 441d are large. Can be different. Note that the second background layer 441d is provided in a strip shape in the same color as the first background color 441a. However, depending on the design, the second background layer 441d is a color different from the first background color 441a, and has a dot shape, The shape may be non-uniform, for example, carbon, wood, or metal.

  In the indicator lamp area 45, a back print layer 451 is formed on the back side (backlight 55 side) of the transparent substrate 43. The back printed layer 451 is a third background layer that forms a background of the indicator lamp area 45 in a color different from that of the display surface printed layer 441 and is cut out so that the shape of the display design indicating the vehicle information is transmitted and illuminated. For example, a light-shielding black color) 451a and a transmission layer (for example, a smoke layer) 451b containing a color pigment that is light-transmissive to the illumination light of the backlight 55 at a position corresponding to the display design are printed. . Note that, by forming the display surface print layer 441 and the third background layer 451a in different colors, the areas can be distinguished by colors.

  In the indicator lamp area 45, the third background layer 451a is visually recognized through the overcoat 441c and the transparent substrate 43. Therefore, the indicator lamp area 45 is a single display board 4 because the indicator lamp area 45 is visible behind the measurement display area 44 provided with the display surface printing layer 441 that is visible without passing through the transparent substrate 43 or the like. In addition to providing a three-dimensional feeling, each area 44, 45 can be divided according to the printing position. In addition, by providing the measurement display area 44 on the display surface side, the measurement display area 44 can be configured to be more conspicuous with respect to the indicator light area 45 in the extinguished state, so that the visibility of the measurement value can be enhanced.

  The circuit board 5 is mounted with electronic components such as a drive source 51, backlights 52, 53, 55, and control means 54. Connected. The circuit board 5 controls each display according to vehicle information, and is held by the case 6 at a predetermined interval on the back side of the display board 2.

  The case 6 covers the light shielding wall 61, the transparent window 62 made of synthetic resin so that the display by the analog instrument 1, the liquid crystal display panel 2 and the indicator lamp 3 can be visually recognized, and the non-display portion such as the circuit board 5. A light-shielding cover 63 is provided, and the display board 4 and the circuit board 5 can be held while being held by assembly with screws or hooks.

  In such a vehicle instrument, the display board 4 formed with a design for displaying vehicle information, a plurality of backlights 52, 53, 55 for transmitting and illuminating the display board 4, and the vehicle information And a control means 54 for controlling the turning on / off of the backlights 52, 53, 55 according to the display device 4, wherein the display board 4 represents the state of the vehicle by turning on / off the backlight 55. A display lamp area 45 including the indicator lamp 3 and a measurement display area 44 including the measurement information display units 1 and 2 representing the measurement values of the vehicle information are formed by printing on the transparent substrate 43. On the back side of the transparent substrate 43, a display design indicating the vehicle information and a back printed layer 451 on which the background is printed, and on the display surface side of the transparent substrate 43 in the measurement display area 44, the measurement information display units 1 and 2 are displayed. of A display surface printing layer 441 Jing is printed, consisting provided.

  Accordingly, the display board 4 can partition the display area by printing that gives a difference in texture and a three-dimensional effect, and the vehicle user can easily determine the visual recognition area.

  The display surface print layer 441 includes a first background layer 441a indicating the background of the measurement display area 44, a translucent overcoat 441c formed to include the measurement display area 44 and the indicator lamp area 45, By forming a second background layer 441d indicating the background of the measurement display area 44 on the display surface side of the overcoat 441c, the surface textures of the measurement display area 44 and the indicator lamp area 45 are made different. Therefore, a partitioned impression can be given to the vehicle user who visually recognizes the vehicle display device.

  Although the vehicle display device of the present invention has been described by way of example in the configuration of the embodiment described above, the present invention is not limited to this, and other configurations do not depart from the gist of the present invention. It goes without saying that various improvements and display changes can be made in the range. For example, in the measurement display area 44, the indicator portion 41 of the pointer 11 that rotates according to the measured value is printed and formed, but not only the indicator portion 41 but also the rotation range of the pointer 11 is changed by the backlight 53. By being transmitted and illuminated, the discriminability of the portion displaying the measurement value can be improved even at night and the visibility can be further improved.

  The present invention relates to a vehicle display device that is mounted on a vehicle and displays various types of vehicle information, and can be applied to, for example, a display device mounted on a mobile body including an automobile, a motorcycle, an agricultural machine, or a construction machine, A display monitor for a special vehicle such as a construction machine is suitable as a composite instrument that displays a wide variety of information.

1 Analog meter (Measurement information display)
11 Pointer 2 LCD panel (measurement information display)
3 Indicator lamp 4 Indicator board 41 Indicator part 42 Notch window 43 Transparent substrate 44 Measurement display area 441 Display surface printing layer 441a First background layer 441b Indicator layer 441c Overcoat 441d Second background layer 45 Indicator lamp area 451 Backside printing Layer 451a Third background layer 451b Transmission layer 5 Circuit board 51 Drive source 52 Back light (light source for pointer)
53 Backlight (Light source for indicator)
54 Control means 55 Backlight (light source for indicator lamp)
6 Case 61 Light-shielding wall 62 Window 63 Cover A Vehicle instrument (vehicle display device)

Claims (2)

A display board formed with a design for displaying vehicle information;
A plurality of backlights that transmit and illuminate the display board;
Control means for turning on / off the backlight according to the vehicle information;
A vehicle display device comprising:
The display board is
An indicator lamp area including an indicator lamp indicating the state of the vehicle by turning on / off the backlight; and
A measurement display area including a measurement information display unit representing a measurement value of the vehicle information is formed by printing on a transparent substrate,
On the back side of the transparent substrate in the indicator lamp area, a display design showing the vehicle information and a back printed layer on which the background is printed, and
On the display surface side of the transparent substrate in the measurement display area, a display surface print layer in which the background of the measurement information display unit is printed,
A vehicle display device characterized by comprising:
  The display surface print layer includes a first background layer indicating a background of the measurement display area, a translucent overcoat formed so as to include the measurement display area and the indicator lamp area, The vehicle display device according to claim 1, wherein a second background layer indicating a background of the measurement display area is partially formed on the display surface side.

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