JP2016138752A - Display device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device for vehicles that displays the rotary indication of a pointer part with excellent visibility.SOLUTION: A display device for vehicles according to the present invention comprises image display means 1, storage means 3 for storing data constituting an index part 50, a pointer part 51, and a background part 52, and control means 4 for making an instrument image 5 displayed by the image display means 1 on the basis of the data stored in the storage means 3. The index part 51 has a shaft part 510 gradually narrowed in width toward the index part 50 and tinted with a light color, a frame part 511 for bordering the shaft part 510 and tinted with a dark color, and an intermediate part 512 in the longitudinal side of the shaft part 510 inside the frame part 511 and tinted with an intermediate color between the color of the shaft part 510 and the color of the frame part 511.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a display device for a vehicle that is mounted on a vehicle and displays an analog instrument composed of an indicator portion, a pointer portion that instructs rotation of the indicator portion, and a background portion that is the background of the indicator portion and the pointer by an image. Is.

  Conventionally, as a display device for a vehicle of this type, a smooth transition of the pointer operation is realized by gradually changing the color of the pointer portion from the color of the pointer portion to the boundary portion between the pointer portion and the background portion. Japanese Patent Application Laid-Open No. H10-228707 discloses a gradation area to be displayed so as to surround the periphery of the pointer portion.

JP 2010-71907 A

  However, the display device for a vehicle disclosed in Patent Document 1 has a problem that the tip of the pointer portion that indicates the indicator portion is blurred in the gradation region and visibility is reduced.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a vehicle display device that displays a rotation instruction of a pointer part with high visibility.

A vehicle display device according to the present invention includes:
Image display means 1;
A storage unit 3 for storing data constituting the indicator unit 50, a pointer unit 51 for instructing to rotate the indicator unit 50, and a background unit 52 serving as a background of the indicator unit 50 and the pointer unit 51;
Control means 4 for displaying the instrument image 5 on the image display means 1 based on the data stored in the storage means 3,
The pointer 51 includes a shaft portion 510 colored with one of a light color or a dark color in a shape gradually narrowing toward the index portion 50 and at least the index portion 50 of the shaft portion 510 colored with the other color. A frame portion 511 that borders the leading end portion to be instructed; and an intermediate portion 512 that is colored with an intermediate color between the color of the shaft portion 510 and the color of the frame portion 511 on the longitudinal side of the shaft portion 510 inside the frame portion 511. .

Preferably, the pointer unit 51 of the vehicle display device according to the present invention is stored in the storage means 3 in a vector format,
The control means 4 rasterizes the pointer portion 51 stored in the vector format and displays it on the image display means 1.

  ADVANTAGE OF THE INVENTION According to this invention, the display apparatus for vehicles which displays the rotation instruction | indication of a pointer part with sufficient visibility can be provided.

The electrical block diagram of the display apparatus for vehicles which concerns on embodiment of this invention. The figure which shows the instrument image which the display apparatus for vehicles displays. (A) shows the entire instrument image, (b) shows an enlarged view of the main part A. The figure which shows the structure of the pointer part of the display apparatus for vehicles. The figure which shows the procedure which displays the instrument image of the display apparatus for vehicles. The figure which shows the instrument image of the display apparatus for vehicles which does not have an intermediate part. (A) shows the entire instrument image, (b) shows an enlarged view of the main part B. The figure which shows the modification of a structure of the pointer part of the display apparatus for vehicles.

  Hereinafter, a display device for vehicles which is one embodiment to which the present invention is applied will be described with reference to the accompanying drawings.

  As shown in FIG. 1, the vehicle display device mainly includes an image display unit 1, an input unit 2, a storage unit 3, and a control unit 4. The vehicle display device is a vehicle instrument mounted on the vehicle, and displays the traveling speed of the vehicle obtained from the input means 2 on the image display means 1 as the instrument image 5 shown in FIG.

  The image display means 1 is a display that displays an image, and includes, for example, a liquid crystal display or an organic EL display.

  The input means 2 inputs the traveling speed of the vehicle to the control means 4 described later. The input unit 2 includes a communication path that performs communication between control ECUs in the vehicle such as CAN.

  The storage means 3 includes a volatile memory RAM and a nonvolatile memory ROM. The volatile memory RAM retains the stored contents only while power is supplied, but is a memory that can be driven at a higher speed than the nonvolatile memory ROM, and includes, for example, an SDRAM. The volatile memory RAM is used for temporarily storing results calculated by the control means 4 described later. The non-volatile memory ROM is a memory capable of holding stored contents even when power is not supplied, and is composed of, for example, an EEPROM. In the nonvolatile memory ROM, a control program of the control means 4 described later and various images constituting a meter image 50 described later are stored in advance.

  The control means 4 is an arithmetic unit composed of a microcomputer, for example. The control means 4 expands its own control program from the nonvolatile memory ROM to the volatile memory RAM, and then appropriately expands various data constituting the instrument image 5 from the nonvolatile memory ROM to the volatile memory RAM. An instrument image corresponding to the traveling speed of the vehicle input from is generated and displayed on the image display means 1.

As shown in FIG. 2A, the instrument image 5 includes an index unit 50 made of scales and numbers, a pointer unit 51 that instructs the index unit 50 to rotate, and a background that is the background of the index unit 50 and the pointer unit 51. Part 52.
The background portion 52 is a background image colored in a dark color such as black, and is stored in advance in the nonvolatile memory ROM as raster format data.
The index unit 50 is an index composed of scales and numbers colored in a bright color such as white, for example, with a large difference between the color and brightness of the background unit 52, and is stored in advance in the nonvolatile memory ROM as vector format data. Yes.
As shown in FIG. 3, the pointer portion 51 is a pointer that points to the indicator portion 50 including a shaft portion 510, a frame portion 511, and an intermediate portion 512. The pointer 51 is stored in advance in the nonvolatile memory ROM as vector format data.

  The shaft portion 510 is a needle-like figure that is colored with a bright color such as white, for example, and becomes narrower as it approaches the tip that indicates the indicator portion 50. The frame portion 511 is colored with a dark color such as black having a large difference between the color and brightness of the shaft portion 510 and surrounds the shaft portion 510. The intermediate portion 512 is located between the long side of the shaft portion 510 and the frame portion 511, and is colored in an intermediate color between the color of the shaft portion 510 and the frame portion 511, for example, gray. The intermediate portion 512 includes a first intermediate portion 512a on the shaft portion 510 side and a second intermediate portion 512b on the frame portion 511 side. The closer to the shaft portion 510, the closer to the color of the shaft portion 510 and the closer to the frame portion 511. It is colored with an intermediate color closer to the color of the frame portion 511. The intermediate portion 512 may have a configuration in which a plurality of intermediate portions are provided between the first intermediate portion 512a and the second intermediate portion 512b, and is configured by one of the first intermediate portion 512a or the second intermediate portion 512b. May be.

  Next, the control procedure of the control means 4 for displaying the instrument image 5 on the image display means 1 will be described with reference to FIG. Note that the control program of the control means 4 stored in advance in the nonvolatile memory ROM and various data (the index unit 50, the pointer unit 51, and the background unit 52) constituting the instrument image 5 are expanded in the volatile memory RAM. It shall be.

(Step S1)
The control unit 4 acquires the traveling speed of the vehicle from the input unit 2.

(Step S2)
The control means 4 rotates the pointer portion 51 at an angle corresponding to the value of the traveling speed of the vehicle acquired in step S1. This angle is an angle at which the pointer unit 51 indicates the position of the indicator unit 50 corresponding to the value of the traveling speed of the vehicle.

(Step S3)
The control unit 4 rasterizes the index unit 50 and the pointer unit 51 rotated in step S2 to a predetermined image size, and converts the vector format data into raster format data.

(Step S4)
The control means 4 synthesizes the instrument image 5 by superimposing the index portion 50 and the pointer portion 51 rasterized in step S3 on a predetermined position on the background portion 52. The overlapping of the index part 50, the pointer part 51, and the background part 52 is the order of the background part 52, the indicator part 50, and the pointer part 51 in order from the bottom.

(Step S5)
The control means 4 causes the image display means 1 to display the instrument image 5 synthesized in step S4.

  The procedure from step S1 to step S5 is performed every predetermined time interval or whenever the traveling speed of the vehicle changes.

  As described above, the indicator portion 51 of the vehicle display device has a shaft portion 510 that is gradually narrowed toward the indicator portion 50 and colored in a light color, and a frame portion 511 that surrounds the shaft portion 510 and is colored in a dark color. And an intermediate portion 512 that is colored with an intermediate color between the color of the shaft portion 510 and the color of the frame portion 511 on the longitudinal side of the shaft portion 510 inside the frame portion 511. With this configuration, the pointer 51 has a large difference in brightness between the shaft 510 and the frame 511, so that the pointer 51 can point the indicator 50 with high visibility. In addition, since the intermediate portion 512 is provided between the shaft portion 510 and the frame portion 511, the difference between the shaft portion 510 and the frame portion 511 is large compared to the case where the intermediate portion 512 illustrated in FIG. 5 is not provided. Jagged (stair-step jagged) is inconspicuous. Since the intermediate portion 512 is not provided at the tip of the shaft portion 510, the visibility is good without the possibility of reducing the visibility of the tip of the pointer portion 51 that indicates the indicator portion 50.

Further, in the vehicle display device, the data constituting the pointer unit 51 is stored in advance in the storage unit 3 in vector format, and the vector format data configuring the pointer unit 51 stored in the storage unit 3 is rasterized. The instrument image 5 is synthesized.
The pointer portion 51 that rotates according to the traveling speed of the vehicle reduces the risk of deterioration of the shape of the pointer portion 51 due to the rotation, rather than rotating data that is stored in advance in a raster format. In addition, even when the resolution of the image display unit 1 or the drawing size of the pointer unit 51 changes, it is possible to appropriately generate the pointer unit 51 having an appropriate shape. In particular, when displaying the pointer portion 51 with a small image size on the image display means 1 having a relatively low resolution, if the pointer portion 51 is rotated or enlarged / reduced, jaggies are easily noticeable, and the vehicle display device product The present invention obtains a remarkable effect.

  As mentioned above, although embodiment of this invention was described, in the range which does not deviate from a summary, this invention can be variously improved and a design change.

  For example, as shown in FIG. 6, in the pointer unit 51 of the vehicle display device to which the present invention is applied, the frame unit 511 that surrounds the shaft unit 510 does not border the entire circumference, but indicates the indicator unit 50. The predetermined range may be bordered. This predetermined range is the tip of the pointer 51 including the range where the indicator 50 overlaps when the pointer 51 is rotated, so that the visibility of the tip of the pointer 51 indicating the indicator 50 is sufficient. Can be secured.

  For example, in the vehicular display device to which the present invention is applied, the shaft portion 510 of the pointer portion 51 is colored with a dark color made of black, for example, and the frame portion 511 has a large difference in brightness from the shaft portion 510, for example, a light color made of white. It may be colored with.

  The pointer 51 of the vehicle display device to which the present invention is applied is used when the amount of change in the travel speed of the vehicle at a predetermined time is less than a predetermined value, for example, when the vehicle is idling and the amount of change in the travel speed is small. 5 may be switched from the pointer portion 51 having no intermediate portion 512 shown in FIG. 5 to the pointer portion 51 having the intermediate portion 512 shown in FIG. .

  The present invention is suitable as a vehicle display device that is mounted on a vehicle and displays vehicle information such as a traveling speed of the vehicle as a meter image.

1: Image display means 2: Input means 3: Storage means 4: Control means 5: Instrument image 50: Indicator part 51: Pointer part 510: Shaft part 511: Frame part 512: Intermediate part 52: Background part

Claims (2)

Image display means;
Storage means for storing data constituting an indicator portion, a pointer portion for instructing rotation of the indicator portion, and a background portion serving as a background of the indicator portion and the pointer portion;
Control means for causing the image display means to display an instrument image based on the data stored in the storage means,
The pointer portion indicates a shaft portion that is gradually narrowed toward the indicator portion and is colored with one of a light color or a dark color, and is colored with the other color and indicates at least the indicator portion of the shaft portion. A frame portion that borders the leading end portion, and an intermediate portion that is colored with an intermediate color between the color of the shaft portion and the color of the frame portion on the longitudinal side of the shaft portion inside the frame portion. A vehicle display device. The pointer part is stored in the storage means in vector format,
The vehicle display device according to claim 1, wherein the control unit rasterizes the pointer part stored in the vector format and displays the rasterized part on the image display unit.

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