JP2019114480A - Vehicular lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a lamp for a vehicle capable of suppressing poor visibility of displayed information. SOLUTION: A display device 20 provided at an outer rear end portion in a vehicle width direction of a vehicle and configured to be able to display information, and a prism provided on the rear side of the display device 20 and facing the display device 20. It is a vehicle lighting tool 10 provided with an outer lens 30 on which 36 is formed. [Selection diagram] Fig. 2

Description

  The present invention relates to a vehicle lamp.

  In a headlamp mounted on a front portion of a vehicle, a vehicle lamp in which display means (transmission type display) capable of transmitting light emitted from the light distribution means (light source) is disposed in front of light distribution means provided with a light source. Is conventionally proposed (see, for example, Patent Document 1).

JP 2014-234130 A

  However, if a display capable of transmitting the light emitted from the light distribution means is disposed in front of the light distribution means, for example, it is difficult for the driver of the oncoming vehicle to visually recognize the information displayed on the display. May be

  Then, this invention aims at obtaining the vehicle lamp which can suppress the visual recognition defect of the displayed information.

  In order to achieve the above object, a vehicle lamp according to claim 1 of the present invention is provided at an outer rear end of a vehicle in the vehicle width direction, and is configured to be capable of displaying information; And an outer lens provided on the vehicle rear side of the display device and having a prism formed on a surface facing the display device.

  According to the first aspect of the present invention, the display device configured to be able to display information is provided at the rear end in the vehicle width direction of the vehicle. Then, an outer lens is provided on the vehicle rear side of the display device, and a prism is formed on the surface of the outer lens facing the display device. Therefore, the information displayed by the display device is enlarged by the outer lens to such an extent that the information can be viewed by, for example, the driver of the following vehicle. Therefore, the visual defect of the displayed information is suppressed.

  The "information" referred to here includes not only turning to the right or turning to the left, stopping, etc., but also a message to the driver of the following vehicle, etc. The vehicle lamp according to the present invention may be provided on at least one of the rear end portions in the vehicle width direction, and the other may be a normal rear combination lamp.

  As described above, according to the present invention, it is possible to suppress visual defects in displayed information.

It is the front view seen from the vehicles back showing the rear lamp on the right side concerning this embodiment. It is XX arrow sectional drawing of FIG. It is a front view which shows an example of the message displayed by the rear lamp which concerns on this embodiment.

  Hereinafter, embodiments according to the present invention will be described in detail based on the drawings. In addition, for convenience of explanation, arrow UP suitably shown in each figure makes vehicle up, arrow FR makes vehicle forward, and arrow RH makes vehicle right. Therefore, in the following description, when vertical and reverse, front and rear, and left and right directions are described without special mention, it indicates the vertical direction of the vehicle, front and rear, vehicle left and right (left and right) Do.

  In addition, the display type rear combination lamp (hereinafter referred to as "rear lamp") 10 as the vehicle lamp according to the present embodiment may be provided on at least one of the rear end portions in the vehicle width direction (the other is a conventional type). It may be a rear combination lamp). Therefore, here, the case where the rear lamp 10 according to the present embodiment is provided at the rear end on the right side of the automobile as a vehicle will be described as an example.

  As shown in FIG. 1 and FIG. 2, a rear lamp 10 according to the present embodiment is provided in the rear lamp installation portion 12 at the rear end on the right side of the vehicle. The rear lamp 10 is configured to be able to display information such as a message shown in FIG. 3 as well as information such as right turn or left turn or stop to make the driver etc. of a following vehicle (including car, motorcycle etc.) visually recognize. The display 20 is provided as a selected display device.

  The display 20 is a rectangular liquid crystal display, an organic EL display or the like whose longitudinal direction is the vehicle width direction, and the peripheral portion 20A is held by a holder 22 made of resin. The holder 22 has a substantially rectangular flat plate-like holder main body 24, and a support portion 26 protruding toward the vehicle rear side is formed bent at the peripheral edge portion of the holder main body 24. The support portion 26U on the upper side of the vehicle protrudes in an acute angle, and the support portion 26D on the lower side of the vehicle protrudes in a flat shape.

  Further, the holder 22 has a rectangular frame 28. The frame 28 is configured to be bonded to the outer peripheral edge portion of the support portion 26 with an adhesive or the like, the upper frame 28U is formed in an acute angle along the shape of the support portion 26U, and the lower frame 28D is It is formed flatly along the shape of the support portion 26D. The display 20 is held by the holder 22 by the peripheral edge 20A of the display 20 being held between the support 26 and the frame 28.

  In addition, the holder 22 is attached to the vehicle rear end of the resin housing 14 installed in the rear lamp installation portion 12. The housing 14 is formed in a housing shape with an open rear side of the vehicle, and has a rectangular flat bottom wall 16 and a peripheral wall 18 erected integrally on the periphery of the lower wall 16 toward the rear of the vehicle. And.

  The outer surface of the outer peripheral edge of the support portion 26U is joined to the inner surface of the vehicle rear end of the peripheral wall 18 with an adhesive or the like at least on the vehicle upper side, and the lower frame at least on the vehicle lower side. The outer surface of the outer peripheral edge portion 28D is bonded to the inner surface of the vehicle rear end portion of the peripheral wall 18 with an adhesive or the like. Thus, the holder 22 is attached to the housing 14.

  In the housing 14, a rectangular flat control substrate 38 for controlling the display 20 (electrically connected to the display 20 by a wire not shown) is accommodated. Therefore, the holder 22 is attached to the housing 14 after the control board 38 is accommodated in the housing 14.

  Further, on the vehicle rear side of the display 20, an outer lens 30 which constitutes the rear lamp 10 together with the display 20 is disposed. The outer lens 30 is made of transparent organic glass, and is integrally formed on the peripheral portion of the lens main body 32 and the lens main body 32 disposed to face the display 20 in the vehicle longitudinal direction toward the vehicle front side. And the outer frame portion 34.

  Therefore, the outer lens 30 is attached to the housing 14 by bonding the vehicle front end of the outer frame portion 34 to the outer surface of the vehicle rear end of the peripheral wall 18 of the housing 14 with an adhesive or the like. ing. Thus, the lens body 32 of the outer lens 30 is disposed opposite to the display 20 with a predetermined gap S in the vehicle front-rear direction.

  In addition, a prism 36 is formed on at least the inner surface of the lens body 32 of the outer lens 30 (the surface facing the display 20). The thickness T of the outer lens 30 is, for example, 2 mm, and on the inner surface of the outer lens 30, a minute prism 36 having a projection height H of several tens of μm is formed. The outer lens 30 on which the minute prisms 36 are formed expands the information displayed on the display 20 to a range where it can be viewed by the driver or the like of the following vehicle.

  Here, the information displayed on the display 20 includes at least turning right or turning left and stopping. That is, the display 20 displays a turn lamp (a turn indicator) indicating turning right or left, a stop lamp indicating stopping, and a tail lamp during night travel. Then, on the display 20, a message, an image (moving image), and the like for the driver or the like of the following vehicle or the pedestrian around the vehicle are also displayed as information.

  Examples of the message include those shown in FIG. That is, the characters "STOP" shown in FIG. 3 (A), the characters "Please go ahead" shown in FIG. 3 (B), etc. may be mentioned. Furthermore, in the case of an electric vehicle, as shown in FIG. 3C, the characters “On Charging 80%” and a bar graph can be cited, which can confirm the amount of charge of electricity. In addition, in the case of an automobile capable of autonomous driving, as shown in FIG. 3D, characters such as "Auto Driving" which can be confirmed to be during autonomous driving can be mentioned.

  As described above, the display 20 also functions as a communication tool for the driver of the following vehicle, the pedestrian around the vehicle, and the like. Note that the automobile according to the present embodiment automatically detects the state of the vehicle and causes the display 20 to display information by the manual mode in which the information is displayed on the display 20 when the occupant (driver or the like) manually operates. And an auto mode.

  Next, the operation of the rear lamp 10 configured as described above will be described.

  As described above, the rear lamp 10 provided in the rear lamp setting portion 12 at the rear end on the right side of the vehicle is the display 20 configured to be able to display information, and the inner surface of the lens body 32 facing the display 20 in the vehicle longitudinal direction. , And an outer lens 30 in which a minute prism 36 is formed.

  Therefore, the information displayed by the display 20 is enlarged by the outer lens 30 having the prism 36 to such an extent that the driver of the following vehicle or the like can visually recognize, for example. Therefore, the visual defect of the information displayed on the display 20 can be suppressed or prevented in the driver or the like of the subsequent vehicle.

  Further, according to the display 20, a turn lamp (turn signal) indicating turning right or left and a stop lamp indicating stopping without a light distribution means (for example, an LED and an optical lens) as in the prior art , And can also display a tail lamp at the time of night travel. That is, according to the rear lamp 10, it is possible to dispense with the conventional light distribution means, and it is possible to display information regardless of day and night.

  Further, according to the rear lamp 10, the display 20 can be used as a communication tool for the driver of the following vehicle or the like, the pedestrian in the vicinity, and the like. That is, a message as shown in FIG. 3 or an image (including a moving image) can be freely displayed on the display 20 although it is not shown, so it can be transmitted up to now, such as in traffic jam or emergency stop. It is possible to convey to other vehicles (following vehicles), pedestrians, etc. the state of the own vehicle (including the state around the own vehicle) that could not be done.

  Further, as described above, since the conventional light distribution means (for example, the LED and the optical lens) is not necessary, the rear lamp 10 is formed thinner than the rear combination lamp provided with the conventional light distribution means. (Thin) can be made. Specifically, when the rear combination lamp is configured using the LED and the optical lens, the thickness is about 150 mm, but in the rear lamp 10 according to the present embodiment, the thickness may be about 50 mm. .

  Therefore, the degree of freedom of the installation site of the rear lamp 10 can be improved as compared to the case where the rear combination lamp is configured using the conventional light distribution means. That is, according to the rear lamp 10, it is possible to easily achieve both design and functionality. In addition, since the vehicle lamp according to the present embodiment is configured as the rear lamp 10 instead of the head lamp, the transmissive (transparent) display, which was necessary in the case of the head lamp, becomes unnecessary. Thus, the manufacturing cost can also be reduced.

  As mentioned above, although the rear lamp 10 which concerns on this embodiment was demonstrated based on drawing, the rear lamp 10 which concerns on this embodiment is not limited to the thing of illustration, Within the range which does not deviate from the summary of this invention, The design can be changed as appropriate. For example, as shown in FIGS. 1 and 3, a sub-display 21 having a substantially “V” shape in a front view may be added to the outside in the vehicle width direction of the display 20.

  That is, as shown in FIG. 3A, the upper right side area 21A of the sub display 21 is lighted in red together with the word "STOP" to give a further alert to the driver of the following vehicle, etc. You may do so. Further, as shown in FIG. 3 (B), the area 21B on the lower right side of the sub display 21 may be lighted together with the text "Please go ahead" and the shape of the arrow may be displayed.

  In the present embodiment, the rear lamp 10 is provided only at the rear right end of the vehicle. However, the rear lamp 10 may be provided only at the rear left end of the vehicle. Each may be provided. In that case, the same information may be displayed on the left and right, or different information may be displayed on the left and right (for example, characters may be displayed on the right and an image may be displayed on the left).

10 Rear lamps (lights for vehicles)
20 Display (Display Device)
30 outer lens 36 prism

Claims (1)

A display device provided at an outer rear end in a vehicle width direction of the vehicle and configured to be able to display information;
An outer lens provided on a vehicle rear side of the display device and having a prism formed on a surface facing the display device;
Vehicle lamp equipped with