JP2005326292A - Display device and driver's seat structure of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To inform a driver of changes in information on a vehicle and operations by occupants. <P>SOLUTION: The display device 4 is provided with a luminous section 41 provided in a visor section 3 and a control section 42 which performs the luminous control of the luminous section 41. The control section 42 performs the luminous control of the luminous section 41 according to traveling conditions information such as a remaining amount of fuel, traveling environment information such as the amount of light and the amount of ultraviolet rays in the interior of the vehicle, and operations such as a direction indicating operation by an occupant by allowing a processing section 47 to execute programs stored in a memory section 48. A driver's seat 1 of the vehicle is provided with the display device 4 and a steering 6. The steering 6 comprises a steering wheel 61 and a fastening section 62 and has shape in which a portion of the steering wheel 61 above the fastening section 62 is cut out when the steering 6 is in the neutral state. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a display device and a driver's seat structure of a vehicle.

A vehicle such as an automobile is provided with a display device having a plurality of instruments for notifying the driver of the vehicle state (vehicle speed, engine speed, etc.), and this display device has a limited space around the instrument. In addition, a warning light for notifying a change in information about the vehicle such as a change in the remaining amount of fuel is arranged relatively small.
Further, a warning light for notifying an occupant operation such as an operation of a direction indicator is displayed on the display device in a relatively small size. In addition, a buzzer is provided for notifying the occupant of the operation of the occupant by sound as well as warning.
As another display device, there is also known a display device or the like for informing a passenger of a change in information about the vehicle such as a change in the vehicle speed by causing the metering around the scale of the instrument to emit light in different colors according to the vehicle speed. (For example, refer to Patent Document 1).
JP 2001-133292 A

  However, since warning lights and metering are displayed relatively small around the display instrument and in a limited space, it is difficult for passengers to notice that the warning lights and metering are emitting light. It could not be said that the passengers could be notified accurately. In addition, when notifying the occupant by sound, when the occupant is listening to music in the vehicle, the notification sound cannot be heard, so it cannot be said that the information can be notified accurately.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a display device and a driver's seat structure of a vehicle that can accurately notify a driver of a change in information about a vehicle and an operation of an occupant. Is to provide.

  In order to solve the above-described problems, the invention according to claim 1 is a display device, and relates to a vehicle, which is embedded in a position facing a passenger in a visor portion of a vehicle instrument and emits ambient light. And a control unit that performs light emission control of the light emitting unit in response to at least one of information change and passenger operation.

  According to the first aspect of the present invention, the light emitting unit embedded in the visor unit at a position facing the occupant emits ambient light by the light emission control of the light emitting unit by the control unit. As a result, the ambient light emitted from the light emitting section easily enters the field of view of the occupant, so that it is not necessary to concentrate the line of sight on the instrument in order to look around the instrument as in the prior art. Therefore, the occupant can accurately recognize the change in the information about the vehicle by the ambient light from the light emitting unit with a small line of sight movement. In addition, the operation of the occupant can be accurately recognized by the ambient light from the light emitting unit.

  According to a second aspect of the present invention, in the display device according to the first aspect, the light emitting unit is configured to have the same color as the visor unit when turned off.

  According to the second aspect of the present invention, when the light emitting part is turned off, the light emitting part has the same color as the visor part, so that the occupant can recognize that it is integral with the visor part and improve the design. Can do.

  According to a third aspect of the present invention, in the display device according to the second aspect, the light-emitting section includes a light-emitting element installed in the visor section and a colorless and transparent cover member that covers the light-emitting element. It is characterized by.

  According to the third aspect of the invention, by covering the light emitting element with the colorless and transparent cover member, when the light emitting element is turned off, the ground color of the visor portion is recognized by the occupant through the colorless and transparent cover member. Thereby, it can be made to recognize a passenger | crew that it is integral with a visor part, and design property can be improved.

  Invention of Claim 4 is the display apparatus as described in any one of Claims 1-3. WHEREIN: The information regarding the said vehicle is driving state information of a vehicle, The said control part is the driving state of the said vehicle. It is characterized by having a luminance changing means for changing the luminance of the light emission color of the light emitting unit according to information.

  According to the fourth aspect of the present invention, the luminance changing means changes the luminance of the emission color of the light emitting unit in accordance with the running state information of the vehicle. Thereby, the passenger | crew can recognize the driving | running | working state information of a vehicle by visually recognizing the brightness | luminance of luminescent color. Therefore, the occupant can easily and accurately grasp the traveling state information of the vehicle from the light emission color of the light emitting unit, and can quickly take measures for optimizing the traveling state of the vehicle.

  According to a fifth aspect of the present invention, in the display device according to the fourth aspect, the traveling state information of the vehicle is information on a remaining amount of fuel in a fuel tank mounted on the vehicle, and the brightness changing means includes: Connected to a fuel remaining amount measuring device that measures the remaining amount of fuel in the fuel tank, and changes the luminance of the light emission color of the light emitting unit according to the fuel remaining amount measured by the fuel remaining amount measuring device. It is characterized by.

  According to the fifth aspect of the present invention, the luminance changing means changes the luminance of the emission color of the light emitting unit in accordance with the fuel remaining amount measured by the fuel remaining amount measuring device. Thereby, the passenger | crew can recognize the residual amount of fuel by visually recognizing the brightness | luminance of luminescent color. Therefore, the occupant can easily and accurately grasp the remaining amount of fuel from the light emission color of the light emitting unit, and can refuel at an appropriate time.

  According to a sixth aspect of the present invention, in the display device according to any one of the first to fifth aspects, the information relating to the vehicle is travel environment information of the vehicle, and the control unit is configured to perform travel environment of the vehicle. It has the 2nd brightness | luminance change means which changes the brightness | luminance of the luminescent color of the said light emission part according to information, It is characterized by the above-mentioned.

  According to the sixth aspect of the present invention, the second luminance changing means changes the luminance of the emission color of the light emitting unit according to the traveling environment information of the vehicle. Thereby, the passenger | crew can recognize the driving environment of a vehicle by visually recognizing the brightness | luminance of luminescent color. Therefore, the occupant can easily and accurately grasp the traveling environment information of the vehicle from the light emission color of the light emitting unit, and can quickly take measures for optimizing the traveling environment of the vehicle.

  According to a seventh aspect of the present invention, in the display device according to the sixth aspect, the traveling environment information of the vehicle is light amount information in a vehicle interior, and the second luminance change means is a light amount in the vehicle interior. The light emission measuring device is connected to a light quantity measuring device for detecting the light intensity, and the luminance of the emission color of the light emitting unit is changed according to the light quantity measured by the light quantity measuring device.

  According to the invention described in claim 7, the second luminance changing means changes the luminance of the emission color of the light emitting unit according to the amount of light in the vehicle room measured by the light amount measuring device. Thereby, since the brightness | luminance of a light emission part can be changed according to the brightness around the vehicle, a light emission part can be utilized as an interior lamp. In addition, since the light-emitting portion can be used as illumination, it is possible to enhance interest.

  According to an eighth aspect of the present invention, in the display device according to the sixth or seventh aspect, the traveling environment information of the vehicle is information on an amount of ultraviolet rays in a vehicle interior, and the second luminance changing means is an amount of ultraviolet rays. The apparatus is connected to an ultraviolet ray amount measuring device that detects light, and changes the luminance of the emission color of the light emitting unit according to the ultraviolet ray amount measured by the ultraviolet ray amount measuring device.

  According to the invention described in claim 8, the second luminance changing means changes the luminance of the emission color of the light emitting unit according to the ultraviolet ray amount measured by the ultraviolet ray amount measuring device. As a result, the occupant can easily and accurately grasp the amount of ultraviolet rays from the light emission color of the light emitting section, so that measures for rough skin and sun protection in the vehicle can be taken immediately.

  According to a ninth aspect of the present invention, in the display device according to any one of the first to eighth aspects, the occupant's operation is a direction indicating operation, and the light-emitting unit is located more than the center of the visor unit. A left side light emitting unit provided on the left side, and a right side light emitting unit provided on the right side of the center of the visor unit, the control unit, left control means for performing light emission control of the left side light emitting unit, Right-side control means for performing light emission control of the right-side light emitting section, and the left-side control means and the right-side control means have blinking control means for blinking the light-emitting section in response to a direction instruction operation by an occupant. It is characterized by.

  According to the ninth aspect of the present invention, the left control unit performs the light emission control of the left light-emitting unit and the blinking control unit causes the left light-emitting unit to flash according to the direction instruction operation of the occupant. Further, the right control unit performs light emission control of the right light emitting unit, and the blinking control unit causes the right light emitting unit to blink. Thereby, each light emission part can be light-emitted in response to a passenger | crew's direction instruction | indication operation. Therefore, since the light emitted from each light emitting unit easily enters the field of view of the occupant, it is not necessary to concentrate the line of sight on the instrument in order to look around the instrument as in the prior art. Therefore, the occupant can recognize the direction instruction operation with light from the light emitting unit with a small line of sight movement. In addition, even if the occupant is listening to music and cannot hear the operation sound of the direction indicator, the direction indication operation can be confirmed by visual recognition of the light emitting unit, and erroneous operation of the direction indicator can be prevented. it can.

  A tenth aspect of the invention includes the display device according to any one of the first to ninth aspects, and a steering wheel positioned between the display device and a driver's seat and used for steering the vehicle. In the driver's seat structure of the vehicle, the steering is configured such that an occupant seated in the driver's seat can visually recognize the display device.

  According to the invention described in claim 10, there is a steering between the occupant seated in the driver's seat and the display device, and this steering is configured so that the display device can be visually recognized. The display device can be visually recognized without changing the driving position. Therefore, the occupant can reduce fatigue caused by driving the vehicle without feeling stress in viewing the display device.

  According to an eleventh aspect of the present invention, in the vehicle driver's seat structure according to the tenth aspect, the steering is fastened to a steering shaft that is held by an occupant when steering the vehicle, and the gripping portion is fastened to a steering shaft. A fastening portion, wherein the steering is in a neutral state, and the upper portion of the fastening portion in the grip portion is opened.

  According to the eleventh aspect of the present invention, since the steering is in a neutral state and the upper part of the fastening part in the grip part is opened, the line of sight of the occupant is obstructed by the grip part. Without reaching the display device. Thereby, the passenger | crew can visually recognize a display apparatus, without changing a driving position. Therefore, the occupant can reduce fatigue caused by driving the vehicle without feeling stress in viewing the display device.

  According to a twelfth aspect of the present invention, in the driver's seat structure of the vehicle according to the eleventh aspect, the gripping portion is a steering wheel formed in a substantially circular shape, and the steering is in a neutral state, and the steering wheel is The upper part of the fastening part is cut off.

  According to the twelfth aspect of the present invention, since the steering is in a neutral state and is formed by cutting the upper part of the fastening portion in the steering wheel, the sight line of the occupant is displayed without being obstructed by the steering wheel. Reach the device. Thereby, the passenger | crew can visually recognize a display apparatus, without changing a driving position. Therefore, the occupant can reduce fatigue caused by driving the vehicle without feeling stress in viewing the display device. Further, since the upper part of the fastening portion in the steering wheel is cut off, it is only necessary to improve the existing steering as a base, and the production cost can be reduced.

Hereinafter, the best mode of a display device and a driver's seat structure of a vehicle according to the present invention will be described in detail with reference to the drawings. In the present embodiment, an automobile will be described as an example of a vehicle.
As shown in FIG. 1, the driver's seat 1 of the automobile has a meter 21 provided in an instrument panel 2 in front of the driver's seat, and a visor portion 3 formed to project from the upper side of the meter 21 toward the driver's seat, A display device 4 (see FIG. 6) provided in the visor 3 is provided between the display device 4 and the driver's seat 5 and a steering 6 used for steering an automobile.

The meter 21 includes a speedometer 21a for displaying the vehicle speed, a tachometer 21b for indicating the engine speed, a fuel meter 21c for indicating the remaining amount of fuel in the fuel tank, a water temperature meter 21d for indicating the coolant temperature, and the like. The occupant can recognize the state of the car from a different point of view.
The visor unit 3 darkens the periphery of the instrument 21 and serves as a bag for enhancing the display of the instrument 21, and is formed along the upper periphery of the instrument plate 22 on which the instrument 21 is provided.

The display device 4 includes a light-emitting unit 41 that emits ambient light and is embedded in a position facing the occupant seated in the driver's seat in the visor unit 3 of the instrument 21, and at least a change in information about the vehicle and an occupant's operation. And a control unit 42 that performs light emission control of the light emitting unit 41 according to one of them.
2 and 3, the light emitting unit 41 includes a left light emitting unit 44 provided on the left side of the center of the visor unit 3, and a right light emitting unit 45 provided on the right side of the center of the visor unit 3. The left light-emitting part 44 and the right light-emitting part 45 are installed so as to be symmetrical with respect to the center of the visor part 3. The left side light emitting unit 44 and the right side light emitting unit 45 transmit information by the color change of the ambient light, and are configured to have the same color as the ground color of the visor unit 3 when turned off. Specifically, the left side light emitting unit 44 includes a light emitting element 441 installed in the visor unit 3 and a colorless and transparent cover member 442 that covers the light emitting element 441. The right light-emitting unit 45 includes a light-emitting element 451 installed in the visor unit 3 and a colorless and transparent cover member 452 that covers the light-emitting element 451.

  Further, as shown in FIG. 4, each of the light emitting elements 441 includes a red light emitting diode 441r, a green light emitting diode 441g, and a blue light emitting diode 441b as a bundle, and each of the light emitting elements 451 includes The red light emitting diode 451r, the green light emitting diode 451g, and the blue light emitting diode 451b are configured as one bundle. Various color expressions are possible by adjusting the luminance of the light emission color of each diode. Further, as shown in FIG. 5, the light emitting elements 441 and 451 are installed in the installation hole 31 formed in the visor unit 3 and emit light toward the driver's seat 5.

As shown in FIG. 6, the control unit 42 is used as an arithmetic processing unit 47 that performs various arithmetic processes and the like, and the arithmetic processing unit 47 controls each unit. And a storage unit 48 in which system programs necessary for the storage are stored.
The arithmetic processing unit 47 reads out a program stored in the program area 482 of the storage unit 48 and develops it in the work area 481, and controls instructions to each unit and control of data transmission / reception based on the program.

The storage unit 48 includes a work area 481 for functioning as a work area for the arithmetic processing unit 47, a program area 482 storing a program to be executed by the arithmetic processing unit 47, and the light emitting diodes 441r, 441g, 441b (451r). , 451g, 451b) is formed with a chromaticity coordinate data area 483 for determining the luminance of the emission color.
Specifically, the program area 482 stores a luminance change program 482a that realizes a function of changing the luminance of the light emission color of the light emitting unit 41 in accordance with the driving state information as one of the information on the automobile.
That is, the control unit 42 reads the chromaticity coordinate data stored in the chromaticity coordinate data area 483 when the arithmetic processing unit 47 executes the luminance change program 482a, and emits light according to the driving state information of the automobile. There is a luminance changing means for changing the luminance of the 41 emission colors.
Here, the driving state information of the vehicle is information on the remaining amount of fuel in the fuel tank mounted on the vehicle, and the luminance changing means is provided in the fuel remaining amount measuring device 10 that measures the remaining amount of fuel in the fuel tank. The luminance of the light emission color of the light emitting unit 41 is changed according to the fuel remaining amount measured by the fuel remaining amount measuring device 10 connected.

The program area 482 stores a second luminance change program 482b that realizes a function of changing the luminance of the light emission color of the light emitting unit 41 in accordance with driving environment information as one of information related to the automobile.
That is, the control unit 42 includes a second luminance changing unit that changes the luminance of the emission color of the light emitting unit 41 according to the driving environment information of the automobile.
Here, the driving environment information of the automobile is light quantity information in the interior of the automobile, and the second luminance changing means is connected to the light quantity measuring device 11 for detecting the light quantity in the interior of the automobile and is measured by the light quantity measuring device 11. The luminance of the emission color of the light emitting unit 41 is changed according to the amount of light.
Furthermore, the driving environment information of the automobile also includes information on the amount of ultraviolet rays in the interior of the automobile, and the second luminance changing means is connected to an ultraviolet ray amount measuring device 12 that detects the amount of ultraviolet rays. The luminance of the emission color of the light emitting unit 41 is changed according to the measured amount of ultraviolet rays.

The program area 482 stores a left control program 482c that realizes a function of performing light emission control of the left light emitting unit 44.
That is, the control unit 42 includes a left control unit that performs light emission control of the left light emitting unit 44.

The program area 482 stores a right control program 482d for realizing a function of performing light emission control of the right light emitting unit 45.
That is, the control unit 42 includes a right control unit that performs light emission control of the right light emitting unit 45.

The program area 482 stores a blinking control program 482e that realizes a function of blinking the light emitting unit 41 in response to a direction instruction operation as one of the passenger's operations.
That is, the control unit 42 includes a blinking control unit that causes the light emitting unit 41 to blink in response to an occupant direction instruction operation.

  The program area 482 stores a warning notification program 482f that realizes a function of changing the luminance of the light emission color of the light emitting unit 41 in accordance with warning notification information as one of information related to the automobile.

  In the chromaticity coordinate data area 483, the remaining amount of fuel in the fuel tank and the chromaticity coordinates when the light emitting diodes 441r, 441g, 441b (451r, 451g, 451b) corresponding to the remaining amount are caused to emit light. Is stored in the fuel data 483a. The chromaticity coordinate data area 483 corresponds to the light quantity in the vehicle interior and the chromaticity coordinates when the light emitting diodes 441r, 441g, 441b (451r, 451g, 451b) corresponding to the light quantity are emitted. The attached light quantity data 483b is stored. In the chromaticity coordinate data area 483, the amount of ultraviolet rays in the interior of the automobile and the chromaticity coordinates when the light emitting diodes 441r, 441g, 441b (451r, 451g, 451b) corresponding to the amount of ultraviolet light are emitted. Is stored in the UV amount data 483c. Further, in the chromaticity coordinate data area 483, the direction indication operation of the occupant and the chromaticity coordinates when the light emitting diodes 441r, 441g, 441b (451r, 451g, 451b) corresponding to the direction indication operation are caused to emit light. Is stored in the direction indicating operation data 483d. Further, in the chromaticity coordinate data area 483, the warning notification information and the chromaticity coordinates when the light emitting diodes 441r, 441g, 441b (451r, 451g, 451b) corresponding to the warning notification information are caused to emit light correspond to each other. The attached warning notification data 483e is stored.

The steering 6 may have a conventional shape, but may be configured such that an occupant seated on the driver's seat 5 can visually recognize the display device 4 as shown in FIG.
Specifically, the steering 6 includes a gripping portion 61 that is held by an occupant when steering the automobile, and a fastening portion 62 that fastens the gripping portion 61 to the steering shaft, and the steering 6 is in a neutral state. Thus, the upper part of the fastening part 62 in the grip part 61 is open. Further, the gripping portion 61 is a steering wheel 61 formed in a substantially circular shape, and has a shape in which the steering 6 is in a neutral state and is cut out above the fastening portion 62 in the steering wheel 61.

Next, the light emission control of the light emission part 41 by the control part 42 is demonstrated.
<Light emission control based on remaining fuel>
As shown in FIG. 7, first, the control unit 42 receives a fuel remaining amount signal from the fuel remaining amount measuring apparatus 10 (step S1). Next, the arithmetic processing unit 47 reads the fuel data 483a by executing the luminance change program 482a (step S2). Next, the arithmetic processing unit 47 calculates a luminance value from each chromaticity coordinate corresponding to the received fuel remaining amount signal, and determines a luminance signal for causing the light emitting element to emit light with the calculated luminance value (step S3). Then, the arithmetic processing unit 47 causes the red light emitting diodes 441r and 451r and the green light emitting diodes 441g and 451g to emit light based on the determined luminance signal (step S4). Next, the control unit 42 determines whether or not the ignition is OFF (step S5). Here, when it is determined that the ignition is OFF (step S5: YES), this process is terminated. On the other hand, when the control unit 42 determines that the ignition is ON (step S5: NO), the control unit 42 returns to step S1 again and receives the fuel remaining amount signal.

  FIG. 8 shows an example of light emission based on the remaining amount of fuel. As shown in FIG. 8A, when the remaining amount of fuel is sufficient, red light emitting diodes 441r and 451r and green light emitting diodes 441g and 451g. With the same brightness. Thereby, both the left side light emission part 44 and the right side light emission part 45 light-emit yellow by the additive color mixture of color light. Then, as shown in FIG. 8B, the emission color changes to orange (amber) as the remaining amount of fuel decreases, and as shown in FIG. 8C, as the remaining amount of fuel further decreases. Thus, the emission color changes to red.

<Light emission control based on indoor light intensity>
As shown in FIG. 9, first, the control unit 42 receives an indoor light quantity signal from the light quantity measuring device 11 (step S11). Next, the arithmetic processing unit 47 reads the light amount data 483b by executing the second luminance change program 482b (step S12). Next, the arithmetic processing unit 47 calculates a luminance value from each chromaticity coordinate corresponding to the received light amount signal, and determines a luminance signal for causing the light emitting element to emit light with the calculated luminance value (step S13). Then, the arithmetic processing unit 47 causes the blue light emitting diodes 441b and 451b to emit light based on the determined luminance signal (step S14). Next, the control unit 42 determines whether or not the ignition is OFF (step S15). Here, when it is determined that the ignition is OFF (step S15: YES), this process is terminated. On the other hand, when the control unit 42 determines that the ignition is ON (step S15: NO), the control unit 42 returns to step S11 again and receives the light amount signal.

FIG. 10 shows an example of light emission based on the amount of light in the room. As shown in FIG. 10A, the light is turned off when the room is sufficiently bright as in the daytime. Then, when the surroundings become dark and the amount of light in the room becomes a predetermined value or less, the blue light emitting diodes 441b and 451b are caused to emit light as shown in FIG. Thereby, both the left side light emission part 44 and the right side light emission part 45 light-emit blue. When the amount of light in the room approaches zero, such as at night, light is emitted with higher brightness than in FIG. 10B, as shown in FIG.
Note that the light-emitting display based on the amount of light in the room is not necessarily required for driving a car, and therefore other light-emitting displays are preferentially displayed.

<Light emission control based on the amount of ultraviolet rays in the room>
As shown in FIG. 11, first, the control unit 42 receives an indoor ultraviolet ray amount signal from the ultraviolet ray amount measuring device 12 (step S21). Next, the arithmetic processing unit 47 reads the ultraviolet light amount data 483c by executing the second luminance change program 482b (step S22). Next, the arithmetic processing unit 47 calculates a luminance value from each chromaticity coordinate corresponding to the received ultraviolet light amount signal, and determines a luminance signal for causing the light emitting element to emit light with the calculated luminance value (step S23). Then, based on the determined luminance signal, the arithmetic processing unit 47 causes the red light emitting diodes 441r and 451r and the blue light emitting diodes 441b and 451b to emit light with the same luminance (step S24). Next, the control unit 42 determines whether or not the ignition is OFF (step S25). Here, when it is determined that the ignition is OFF (step S25: YES), this process is terminated. On the other hand, when the control unit 42 determines that the ignition is ON (step S25: NO), the control unit 42 returns to step S21 again and receives the fuel remaining amount signal.

FIG. 12 shows an example of light emission based on the amount of ultraviolet rays in the room. As shown in FIG. 12A, the light is turned off when the ultraviolet rays hardly enter the room at night. Conversely, when the amount of ultraviolet rays in the room becomes equal to or greater than a predetermined value during the daytime, the red light emitting diodes 441r and 451r and the blue light emitting diodes 441b and 451b emit light with the same luminance as shown in FIG. Thereby, both the left side light emission part 44 and the right side light emission part 45 light-emit purple. Then, at the time when the amount of ultraviolet rays is the largest, such as in the daytime in summer, as shown in FIG. 12 (c), light is emitted with higher brightness than in FIG. 12 (b).
In addition, since the light emission display of the amount of ultraviolet rays is not necessarily required for the traveling of the automobile, the other light emission displays are preferentially displayed.

<Light emission control based on direction instruction operation>
As shown in FIG. 13, first, the control unit 42 receives an occupant direction instruction operation signal from the direction indicator (step S31). Next, the control unit 42 determines whether or not the direction instruction operation signal indicates the left side (step S32). Here, when the direction indicating operation signal indicates the left side (step S32: YES), the arithmetic processing unit 47 reads the direction indicating data 483d by executing the left control program 482c (step S33). Next, the arithmetic processing unit 47 calculates a luminance value from each chromaticity coordinate corresponding to the received direction instruction operation signal, and determines a luminance signal for causing the light emitting element to emit light with the calculated luminance value (step S34). Then, the arithmetic processing unit 47 causes the green light emitting diode 441g to emit light with luminance based on the determined luminance signal. In parallel with the light emission control, the control unit 42 causes the green light emitting diode 441g of the left light emitting unit 44 to blink by the arithmetic processing unit 47 executing the blinking control program 482e (step S35).

  On the other hand, when the direction indicating operation signal indicates the right side (step S32: NO), the arithmetic processing unit 47 reads the direction indicating data 483d by executing the right control program 482d (step S36). Next, the arithmetic processing unit 47 calculates a luminance value from each chromaticity coordinate corresponding to the received direction instruction operation signal, and determines a luminance signal for causing the light emitting element to emit light with the calculated luminance value (step S37). Then, the arithmetic processing unit 47 causes the green light emitting diode 451g to emit light with luminance based on the determined luminance signal. Further, in parallel with this light emission control, the control unit 42 causes the green light emitting diode 451g of the right light emitting unit 45 to blink by the arithmetic processing unit 47 executing the blinking control program 482e (step S38). Next, the control unit 42 determines whether or not the ignition is OFF (step S39). Here, when it is determined that the ignition is OFF (step S39: YES), this process is terminated. On the other hand, when the control unit 42 determines that the ignition is ON (step S39: NO), the control unit 42 returns to step S1 again and receives the fuel remaining amount signal.

  FIG. 14 shows an example of light emission based on the direction instruction operation. As shown in FIG. 14A, when the direction instruction operation indicates the left side, only the left side light emitting unit 44 emits light. ing. Further, as shown in FIG. 14B, when the direction indicating operation indicates the right side, only the right side light emitting unit 45 emits light.

<Light emission control based on warning notification>
As shown in FIG. 15, first, the control unit 42 receives an abnormal signal of the automobile (step S41). Next, the control unit 42 determines whether or not the abnormal signal is an emergency and urgent (step S42). Here, when the control unit 42 determines that the abnormal signal is an emergency (step S42: YES), the arithmetic processing unit 47 reads the warning notification data 483e by executing the warning notification program 482f (step S42). S43). Next, the arithmetic processing unit 47 calculates a luminance value from each chromaticity coordinate corresponding to the received abnormal signal, and determines a luminance signal for causing the light emitting element to emit light with the calculated luminance value (step S44). Then, the arithmetic processing unit 47 causes the red light emitting diode 441r to emit light based on the determined luminance signal (step S45).

  FIG. 16A is an example of light emission based on the abnormality of the automobile. As shown in FIG. 16A, both the left light emitting unit 44 and the right light emitting unit 45 are caused to emit light by causing the red light emitting diodes 441r and 451r to emit light. Emits red light.

  On the other hand, when the abnormal signal is not an emergency (step S42: NO), the arithmetic processing unit 47 reads the warning notification data 483e by executing the warning notification program 482f (step S46). Next, the arithmetic processing unit 47 calculates a luminance value from each chromaticity coordinate corresponding to the received abnormal signal, and determines a luminance signal for causing the light emitting element to emit light with the calculated luminance value (step S47). Then, the arithmetic processing unit 47 causes the red light emitting diodes 441r and 451r and the green light emitting diodes 441g and 451g to emit light with the same luminance based on the determined luminance signal (step S48). Next, the control unit 42 determines whether or not the ignition is OFF (step S49). Here, when it is determined that the ignition is OFF (step S49: YES), this process is terminated. On the other hand, when the control unit 42 determines that the ignition is ON (step S49: NO), the control unit 42 returns to step S1 and receives the fuel remaining amount signal.

  FIG. 16B shows an example of light emission based on the abnormality of the automobile. As shown in FIG. 16B, the red light-emitting diodes 441r and 451r and the green light-emitting diodes 441g and 451g emit light with the same luminance. Both the light emitting unit 44 and the right light emitting unit 45 emit yellow light by additive color mixing of color light.

  According to the display device 4 of the present embodiment, the light emitting unit 41 provided in the visor unit 3 emits light and emits ambient light by the light emission control of the light emitting unit 41 by the control unit 42. As a result, the light emitted from the light emitting unit 41 easily enters the field of view of the occupant, so that it is not necessary to concentrate the line of sight on the instrument 21 in order to look around the instrument 21 as in the prior art. In combination with the light emission position, recognition by the occupant can be enhanced. Therefore, the occupant can recognize the change in the information about the automobile by the light from the light emitting unit 41 with a small movement of the line of sight. In addition, the operation of the occupant can be accurately recognized by the light from the light emitting unit 41. In particular, by providing the light emitting unit 41 that emits ambient light in the visor unit 3, there is no interference with other colors or light emission, and it is particularly difficult to read character information in the meter due to interference with the color in the meter. There is no problem. Therefore, it is possible to provide the driver with information corresponding to the vehicle state while ensuring the legibility of the character information in the meter.

  Further, according to the display device 4 of the present embodiment, when the light emitting unit 41 is turned off, the light emitting unit 41 has the same color as the visor unit 3, so that the occupant can recognize that it is integral with the visor unit 3. Design can be improved.

  Further, according to the display device 4 of the present embodiment, the light emitting elements 441 and 451 are covered with the colorless and transparent cover members 442 and 452, so that the ground color of the visor unit 3 is colorless and transparent when the light emitting elements 441 and 451 are turned off. Are recognized by the occupant through the cover members 442 and 452. Thereby, a passenger | crew can be recognized that it is integral with the visor part 3, and design property can be improved.

  Further, according to the display device 4 of the present embodiment, when the arithmetic processing unit 47 executes the luminance change program 482a, the control unit 42 changes the luminance of the emission color of the light emitting unit 41 according to the driving state information of the automobile. Change. Thereby, the passenger | crew can recognize the driving | running | working state information of a motor vehicle by visually recognizing the brightness | luminance of luminescent color. Therefore, the occupant can easily and accurately grasp the driving state information of the vehicle from the light emission color of the light emitting unit 41, and can take measures to optimize the driving state of the vehicle immediately.

  Further, according to the display device 4 of the present embodiment, when the arithmetic processing unit 47 executes the luminance change program 482a, the control unit 42 emits light according to the remaining fuel amount measured by the remaining fuel amount measuring device 10. The luminance of the emission color of the unit 41 is changed. Thereby, the passenger | crew can recognize the residual amount of fuel by visually recognizing the brightness | luminance of luminescent color. Therefore, the occupant can easily and accurately grasp the remaining amount of fuel from the light emission color of the light emitting unit 41, and can refuel at an appropriate time.

  In addition, according to the display device 4 of the present embodiment, when the arithmetic processing unit 47 executes the second luminance change program 482b, the control unit 42 determines the emission color of the light emitting unit 41 according to the driving environment information of the automobile. Change the brightness. Thereby, the passenger | crew can recognize the driving environment of a motor vehicle by visually recognizing the brightness | luminance of luminescent color. Therefore, the occupant can easily and accurately grasp the driving environment information of the car from the light emission color of the light emitting unit 41, and can take measures for optimizing the driving environment of the car immediately.

  Further, according to the display device 4 of the present embodiment, the calculation processing unit 47 executes the second luminance change program 482b, whereby the control unit 42 responds to the amount of light in the automobile measured by the light amount measuring device 11. Thus, the luminance of the emission color of the light emitting unit 41 is changed. Thereby, since the brightness | luminance of the light emission part 41 can be changed according to the brightness around the motor vehicle, the light emission part 41 can be utilized as an interior lamp. Moreover, since the light emission part 41 can be used as illumination, interest property can be improved.

  Further, according to the display device 4 of the present embodiment, when the arithmetic processing unit 47 executes the second luminance change program 482b, the control unit 42 emits light according to the amount of ultraviolet rays measured by the ultraviolet ray amount measuring device 12. The luminance of the emission color of the unit 41 is changed. As a result, the occupant can easily and accurately grasp the amount of ultraviolet rays from the light emission color of the light emitting unit 41, and therefore, measures for preventing rough skin and sunburn can be taken immediately.

According to the vehicle driver's seat 1 of the present embodiment, when the arithmetic processing unit 47 executes the left side control program 482c, the control unit 42 performs light emission control of the left side light emitting unit 44 according to the direction instruction operation of the occupant. When the arithmetic processing unit 47 executes the blinking control program 482e, the control unit 42 causes the left light emitting unit 44 to blink. In addition, when the arithmetic processing unit 47 executes the right control program 482d, the control unit 42 performs the light emission control of the right light emitting unit 45 in accordance with the direction instruction operation of the occupant, and the arithmetic processing unit 47 controls the blinking. By executing the program 482e, the control unit 42 causes the right light emitting unit 45 to blink.
Thereby, each light emission part 44 and 45 can be light-emitted in response to a passenger | crew's direction instruction | indication operation. Therefore, since the light emitted from each of the light emitting units 44 and 45 easily enters the field of view of the occupant, it is not necessary to concentrate the line of sight on the instrument 21 in order to look around the instrument 21 as in the conventional case. Therefore, the occupant can recognize the direction indicating operation by the light from the light emitting unit 41 with a small line of sight movement. In addition, even if the occupant is listening to music and cannot hear the operation sound of the direction indicator, the direction indication operation can be confirmed by visually recognizing the light emitting unit 41, and erroneous operation of the direction indicator can be prevented. Can do.

  In addition, according to the driver's seat 1 of the vehicle of the present embodiment, there is a steering 6 between the occupant seated in the driver's seat 5 and the display device 4, so that the steering 6 can visually recognize the display device 4. Therefore, the occupant can visually recognize the display device 4 without changing the driving position. Therefore, the occupant can reduce fatigue caused by driving the vehicle without feeling stressed by visually recognizing the display device 4.

  Further, according to the driver's seat 1 of the vehicle of the present embodiment, the steering 6 has a shape in which the steering 6 is in a neutral state and the upper portion of the fastening portion 62 in the grip portion 61 is opened. The display device 4 is reached without being obstructed by the grip portion 61. Thereby, the passenger | crew can visually recognize the display apparatus 4 without changing a driving position. Therefore, the occupant can reduce fatigue caused by driving the vehicle without feeling stressed by visually recognizing the display device 4.

  Further, according to the driver's seat 1 of the automobile of the present embodiment, the steering 6 has a shape in which the steering 6 is in a neutral state and the upper part of the fastening portion 62 in the steering wheel 61 is cut off. The display device 4 is reached without being disturbed by the wheel 61. Thereby, the passenger | crew can visually recognize the display apparatus 4 without changing a driving position. Therefore, the occupant can reduce fatigue caused by driving the vehicle without feeling stressed by visually recognizing the display device 4. Moreover, since the upper part of the fastening part 62 in the steering wheel 61 is cut off, it is only necessary to improve the existing steering 6 as a base, and the production cost can be reduced.

The present invention is not limited to the above embodiment. The driving state information of the automobile is not limited to the remaining amount of fuel, but may notify the occupant of the temperature of the cooling water, the presence or absence of the seat belt, and the like by the change in the luminance of the light emission color of the light emitting unit 41. Further, in the driving environment information of the automobile, the occupant may be notified of changes in the brightness of the light emission color of the light emitting unit 41, such as the outside air temperature, humidity, and slipperiness of the road surface.
Further, using the fact that the left side light emitting unit 44 and the right side light emitting unit 45 are controlled separately, an abnormality occurring on the left side of the automobile is caused by the light emission of the left side light emitting unit 44 as shown in FIG. An occupant may be notified, and as shown in FIG. 17B, an abnormality occurring on the right side may be notified to the occupant by light emission of the right light emitting unit 45. In this case, it is preferable that the red light emitting diodes 441r and 451r and the green light emitting diodes 441g and 451g emit light with the same luminance and color yellow.
Further, as shown in FIG. 18, blinking of an emergency warning lamp may be displayed on the light emitting unit 41. In this case, the green light emitting diodes 441g and 451g may emit green light and blink.

Further, as shown in FIG. 19, the gripping portions 61 of the steering wheel 6 may be provided only on the left and right sides, and the steering wheel 6 may be in a neutral state and the upper and lower portions of the fastening portion 62 in the steering wheel 61 may be cut off. Such a shape can be applied when the degree of freedom of the shape of the steering wheel increases due to the development of the Steer-By-Wire-System.
In addition, when the light emitting unit 41 is used as illumination, the light emitting unit 41 may be made to emit light in conjunction with a headlight switch, in addition to the light emitted according to the light quantity in the room.

Moreover, the light emission color of the light emission part 41 is not restricted to the said example, It can change freely.
Further, a threshold value may be set for the remaining amount of fuel, the amount of light, etc., and the emission color may be changed with the threshold value as a boundary.
Further, the light emitting diodes may be arranged in a dense manner, and the light emitting unit 41 may display characters by controlling the light emission. Thereby, even if it is a case where the relationship between luminescent color and the information which this luminescent color intends is forgotten, the passenger | crew can recognize the information alert | reported by a character exactly. In particular, by representing the remaining amount of fuel in the light emitting unit 41 with a number, it is possible to supply fuel at an appropriate time.

It is explanatory drawing of the driver's seat structure of the motor vehicle of this invention. It is explanatory drawing of the display apparatus of this invention. It is explanatory drawing of the display apparatus of this invention. It is explanatory drawing of the light emitting element in the display apparatus of this invention. It is explanatory drawing of the light emitting element in the display apparatus of this invention. It is a block diagram of the display device of the present invention. It is a flowchart of the light emission control based on the residual amount of the fuel in the display apparatus of this invention. It is explanatory drawing of the example of light emission based on the residual amount of the fuel in the display apparatus of this invention. It is a flowchart of the light emission control based on the light quantity in the room in the display apparatus of this invention. It is explanatory drawing of the example of light emission based on the indoor light quantity in the display apparatus of this invention. It is a flowchart of the light emission control based on the amount of indoor ultraviolet rays in the display apparatus of this invention. It is explanatory drawing of the light emission example based on the amount of indoor ultraviolet rays in the display apparatus of this invention. It is a flowchart of the light emission control based on direction instruction | indication operation in the display apparatus of this invention. It is explanatory drawing of the example of light emission based on direction instruction | indication operation in the display apparatus of this invention. It is a flowchart of the light emission control based on the abnormality generation of the motor vehicle in the display apparatus of this invention. It is explanatory drawing of the light emission example based on abnormality generation of the motor vehicle in the display apparatus of this invention. It is explanatory drawing of the example of light emission based on the abnormality which generate | occur | produced in the right and left of the motor vehicle in the display apparatus of this invention. It is explanatory drawing of the example of light emission based on the emergency warning lamp in the display apparatus of this invention. It is explanatory drawing of the modification of the steering wheel in the driver's seat structure of the motor vehicle of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Driver's seat 3 Visor part 4 Display apparatus 41 Light emission part 42 Control part (Brightness change means, 2nd brightness change means, left side control means, right side control means, blink control means)
44 Left light emitting unit 441 Light emitting element 442 Cover member 45 Right light emitting unit 451 Light emitting element 452 Cover member 47 Operation processing unit 48 Storage unit 481 Work area 482 Program area 482a Luminance change program 482b Second luminance change program 482c Left control program 482d Right control Program 482e Flashing control program 5 Driver's seat 6 Steering 61 Steering wheel (gripping part)
62 Fastening unit 10 Fuel remaining amount measuring device 11 Light amount measuring device 12 Ultraviolet light amount measuring device 21 Instrument

Claims (12)

A light emitting unit that is embedded in a position facing a passenger in a visor unit of a vehicle instrument, and emits ambient light;
A control unit that performs light emission control of the light emitting unit in accordance with at least one of a change in information about the vehicle and an operation of an occupant;
A display device comprising:   The display device according to claim 1, wherein the light emitting unit is configured to have the same color as the visor unit when turned off. The light emitting unit
A light emitting device installed in the visor part;
A colorless and transparent cover member covering the light emitting element;
The display device according to claim 2, further comprising: The information about the vehicle is vehicle driving state information,
The controller is
The display device according to claim 1, further comprising a luminance changing unit that changes luminance of a light emission color of the light emitting unit in accordance with traveling state information of the vehicle. The vehicle running state information is information on the remaining amount of fuel in a fuel tank mounted on the vehicle,
The brightness changing means includes
Connected to a fuel remaining amount measuring device that measures the remaining amount of fuel in the fuel tank, and changes the luminance of the light emission color of the light emitting unit according to the fuel remaining amount measured by the fuel remaining amount measuring device. The display device according to claim 4. The information about the vehicle is vehicle driving environment information,
The controller is
The display device according to claim 1, further comprising a second luminance changing unit that changes luminance of a light emission color of the light emitting unit in accordance with traveling environment information of the vehicle. The traveling environment information of the vehicle is light amount information in the vehicle interior,
The second luminance changing means includes
The light intensity measuring device connected to the light amount measuring device for detecting the light amount in the vehicle interior changes the luminance of the light emission color of the light emitting unit according to the light amount measured by the light amount measuring device. Display device. The traveling environment information of the vehicle is information on the amount of ultraviolet rays in the vehicle interior,
The second luminance changing means includes
8. The ultraviolet ray measuring device for detecting the amount of ultraviolet rays, and the luminance of the light emission color of the light emitting unit is changed according to the amount of ultraviolet rays measured by the ultraviolet ray measuring device. The display device described in 1. The occupant operation is a direction instruction operation,
The light emitting unit includes a left light emitting unit provided on the left side of the center of the visor unit, and a right light emitting unit provided on the right side of the center of the visor unit,
The control unit includes a left control unit that performs light emission control of the left light emitting unit, and a right control unit that performs light emission control of the right light emitting unit,
The display according to any one of claims 1 to 8, wherein the left side control unit and the right side control unit include a blinking control unit that blinks the light emitting unit according to the direction instruction operation of an occupant. apparatus. The display device according to any one of claims 1 to 9,
A steering wheel positioned between the display device and the driver's seat and used for steering the vehicle;
A vehicle driver's seat structure comprising:
A driver's seat structure for a vehicle, wherein the steering is configured so that an occupant seated in the driver's seat can visually recognize the display device. The steering includes a gripping portion that is held by an occupant when steering the vehicle, and a fastening portion that fastens the gripping portion to a steering shaft,
11. The driver's seat structure for a vehicle according to claim 10, wherein the steering is in a neutral state and the upper portion of the fastening portion in the grip portion is opened. The grip portion is a steering wheel formed in a substantially circular shape,
The vehicle driver's seat structure according to claim 11, wherein the steering is in a neutral state, and the upper part of the fastening portion of the steering wheel is cut off.

Images