JP6304755B2 - Bezel body and display device for vehicle having the same - Google Patents

Description

  The present invention relates to a bezel body disposed on an instrument panel of a vehicle and a vehicle display device including the bezel body.

  Conventionally, a vehicle display device as a head-up display device that projects an image onto a windshield of a vehicle is provided in an instrument panel (see, for example, Patent Document 1). As shown in FIG. 5, a display device 700 for a vehicle described in Patent Document 1 is attached in an instrument panel I having an opening H provided on a wall A facing the windshield F, and is connected to an image projector 701. Thus, an image is projected onto the windshield F through the opening H. In such a vehicular display device 700, for example, a transparent cover C that closes the opening H in order to prevent dust or moisture from entering the opening H may be provided. The light may be reflected by the cover C and head toward the passenger's eye point EP, which may cause discomfort.

  Therefore, a vehicle display device 800 shown in FIG. 6 is conceivable as a configuration for avoiding that external light travels toward the passenger's eye point EP. The vehicle display device 800 is provided in the instrument panel I, and includes an image projector 801 and a bezel member 802. The bezel member 802 is fitted in a hole K provided in a wall A facing the windshield F in the instrument panel I. The bezel member 802 is adjacent to the lower end and the rear side of the light-transmitting descending wall portion 821 and the descending wall portion 821 that gradually descend downward from the front side to the rear side (left to right in FIG. 6) of the vehicle. Opening 822 is provided. The opening 822 is provided with a cover C that gradually moves upward as it goes from the front side to the rear side of the vehicle, and the vehicle display device 800 uses the image projector 801 to display an image through the opening 822 of the bezel member 802. Project onto glass F. In such a configuration, since the descending wall portion 821 is provided and the vehicle front side of the cover C is located below the rear side, it is possible to make it difficult for outside light to reach the cover C and to cover the cover C. It is possible to suppress the outside light reflected on the vehicle from traveling toward the passenger's eye point EP.

JP 2007-148092 A

  In the above-described configuration, in the bezel member 802, since external light does not strike the vicinity of the opening 822 of the descending wall portion 821, the portion becomes dark and a difference in brightness from the cover C increases. The problem is that the reflection of the image becomes conspicuous. Therefore, the descending wall portion 821 of the bezel member 802 is made of a light-transmitting material, and a light guide member 803 is disposed to face the inner surface of the descending wall portion 821, and external light is lowered by the light guide member 803. The structure which guides to the location near the opening 822 of the part 821, and illuminates the descending wall part 821 from the inner surface side can be considered. According to this configuration, since the descending wall portion 821 is brightened so as to reduce the difference in brightness, the reflection on the windshield F can be made inconspicuous, and the discomfort given to the passenger can be suppressed. it can.

  However, since the vehicle display device 800 includes the light guide member 803 and the parts used to support the light guide member 803, the workability at the time of attachment is reduced due to an increase in the number of parts. was there.

  Therefore, the present invention pays attention to the above-mentioned problems, makes it possible to make the reflection on the windshield inconspicuous, and improve the workability at the time of mounting, and the bezel body An object of the present invention is to provide a vehicle display device provided.

  In order to solve the above-described problem, the invention described in claim 1 is directed to an image projector that is fitted in a wall facing a windshield of an instrument panel of a vehicle and disposed in the instrument panel. A bezel body having a bezel member that forms part or all of a peripheral edge of an opening for projecting an image on the front bezel portion, wherein the bezel member is disposed on the front side of the vehicle with respect to the opening The front bezel portion has a light-transmitting descending wall portion that gradually goes downward and reaches the opening as it goes from the front side to the rear side of the vehicle, and is formed in a plate shape. A light guide member disposed on the inner surface of the bezel portion and guiding light to the descending wall, and a support member attached to the bezel member and supporting the light guide member. It has a et al., And the bezel member, and the light guide member, wherein the supporting member is a bezel body, characterized in that integrally has a.

  The invention described in claim 2 is the invention described in claim 1, wherein the light guide member is disposed so as to face the front bezel portion, and the light guide member is directed toward the front bezel portion. A light source unit that emits light, and at least a portion of the front bezel facing the light source unit is light transmissive.

  According to a third aspect of the present invention, an image projector disposed in an instrument panel of a vehicle is fitted into a facing wall of a windshield in the instrument panel, and the image projector is imaged on the windshield. A bezel body having a bezel member that forms part or all of a peripheral edge of an opening for projecting the display, wherein the bezel body is the bezel body according to claim 1 or 2. It is comprised, The display apparatus for vehicles characterized by the above-mentioned.

  According to the invention described in claim 1, since the bezel member, the light guide member, and the support member attached to the bezel member and supporting the light guide member are integrally provided, the bezel member, The light guide member and the support member can be integrally attached to the instrument panel, and the workability when attaching the bezel body can be improved.

  According to the second aspect of the present invention, the light source unit further includes a light source unit that is disposed so as to face the front bezel part with the light guide member interposed therebetween, and that emits light toward the front bezel part through the light guide member, Since the portion facing the light source unit in the front bezel portion is light transmissive, the light emitted from the light source unit can be projected onto the windshield through the light guide member and the front bezel portion. In addition to the image projected on the windshield, various visual effects can be produced using light emitted from the light source unit.

  According to the invention described in claim 3, since the bezel body according to claim 1 or 2 is provided, the bezel member, the light guide member, and the support member can be integrally attached to the instrument panel. The workability at the time of attaching the display device can be improved.

It is a disassembled perspective view which shows the display apparatus for vehicles concerning one Embodiment of this invention. FIG. 2 is a perspective view illustrating a state in which the bezel body illustrated in FIG. 1 is assembled. It is sectional drawing which shows typically the state by which the vehicle display apparatus shown by FIG. 1 was mounted in the vehicle. It is a figure which shows the state in which light was projected on the windshield using the display apparatus for vehicles shown by FIG. It is sectional drawing which shows the conventional display apparatus for vehicles typically. It is sectional drawing which shows the other conventional display apparatus for vehicles typically.

  A vehicle display device and a bezel body according to an embodiment of the present invention will be described with reference to FIGS. The vehicle display device 1 according to this embodiment is attached to the instrument panel I of the vehicle V and used as a head-up display device that projects onto the windshield F. The image projector 10 and the bezel body 20. In the present embodiment, the up-down direction, the front-rear direction, and the left-right direction correspond to the up-down direction, the front-rear direction, and the left-right direction of the vehicle V.

  As shown in FIG. 3, the image projector 10 includes a display source 11, a reflection unit 12 that reflects an image from the display source 11, a housing 13 that accommodates the display source 11 and the reflection unit 12, and a bezel body. Two legs 14 for fixing 20 are provided. The housing 13 is formed in a box shape using a synthetic resin, and has a top wall 13a, a bottom wall 13b, a peripheral wall 13c, and an opening 13d provided in the top wall 13a. The opening 13d is disposed so as to overlap with an opening 212 of the bezel member 21 described later. Two leg portions 14 are formed integrally with the housing 13, one end is extended forward and upward from the left and right ends of the front surface of the housing 13, and is bent upward at the extended upper end, The other end side is fixed to a fixing portion 233 of the support member 23 described later. In addition, the image projector 10 reflects the image projected by the display source 11 by the reflecting unit 12 and projects the image onto the windshield F through the opening 13d. Thereby, the passenger of the vehicle V recognizes as an image displayed on the windshield F.

  The bezel body 20 includes a bezel member 21 that is fitted into the hole K of the instrument panel I, a light guide member 22 that guides light toward the bezel member 21, and a support that is attached to the bezel member 21 and supports the light guide member 22. It has the member 23, the light source part 24 which irradiates light toward the bezel member 21 through the light guide member 22, and the cover 25 attached to the opening 212 mentioned later provided in the bezel member.

  The bezel member 21 is formed in an annular shape in plan view using a light-transmitting synthetic resin, and the front bezel portion 211 disposed on the front side of the vehicle V and the image projector 10 for projecting an image onto the windshield F. An opening 212 and a fitting claw portion 213 for fitting into the support member 23 are formed. That is, the inner peripheral edge of the bezel member 21 forms an opening 212. The front bezel portion 211 has a descending wall portion 211a that gradually goes downward and reaches the opening 212 as it goes from the front side to the rear side of the vehicle V.

  As shown in FIGS. 3 and 4, when the bezel member 21 is fitted into the hole K provided in the facing wall A, a part of the front side of the outer peripheral edge of the bezel member 21 (that is, the vehicle V of the front bezel portion 211). (The front end) is arranged so as to float above the opposing wall A, and the outer surface (upper surface) of the bezel member 21 and the outer surface of the opposing wall A are smoothly continuous with each other part other than the part of the outer peripheral edge. Placed in. At this time, the opening 212 of the bezel member 21 and the opening 13d of the image projector 10 are arranged so as to overlap in the vertical direction. The bezel member 21 has the same appearance as the facing wall A, for example, so that the difference in reflection on the windshield F between the bezel member 21 and the facing wall A of the instrument panel I is not noticeable. Color adjustment and surface processing are performed.

  The light guide member 22 is formed in a rectangular plate shape in plan view using a highly transparent material such as glass or resin, and is disposed so as to overlap the inner surface (lower side) of the front bezel portion 211. Further, in a cross-sectional view in the front-rear direction, the front side is formed thicker, the rear side is formed thinner, and the part between the thicker part and the thinner part gradually becomes thinner from the front toward the rear. Is formed. Specifically, as shown in FIG. 3, the surface of the light guide member 22 on the mounting portion 231 side, which will be described later, is formed in a flat shape, and the surface on the front bezel portion 211 side is an intermediate portion in the front-rear direction from the front. An inclined surface that gradually descends toward the rear is formed.

  In addition, the light guide member 22 is provided so that the front end portion is located on the inner side (lower side) of a part of the front side that is lifted above the facing wall A of the bezel member 21. The side end is exposed and arranged so as to receive external light such as sunlight. As indicated by an arrow L in FIG. 3, the light guide member 22 receives external light, guides it to the vehicle rear side end, and emits light toward the light-transmitting descending wall portion 211a. Is provided. Thereby, the opening 212 vicinity of the descending wall part 211a can be illuminated. With such a configuration, the vicinity of the opening 212 of the descending wall portion 211a that is not irradiated with external light can be brightened by illuminating from the inside, and the difference in brightness between the cover 25 and the vicinity of the opening 212 of the descending wall portion 211a can be reduced. The reflection on the glass F can be made inconspicuous, and discomfort to the passenger can be suppressed.

  The support member 23 is formed using a synthetic resin, and a placement portion 231 on which the light guide member 22 is placed, a fitting receiving portion 232 in which the fitting claw portion 213 of the bezel member 21 is fitted, and an image And a fixing portion 233 to which the leg portion 14 of the projector 10 is fixed. The placement portion 231 is formed in a plate shape and is inclined along the front bezel portion 211. As shown in FIG. 3, the mounting portion 231 is bent so that the rear end portion is along the upper surface wall 13 a of the housing 13. In the bezel body 20, the bezel member 21, the light guide member 22, and the support member 23 can be integrated by fitting the fitting claw portion 213 of the bezel member 21 and the fitting receiving portion 232 of the support member 23. it can.

  As illustrated in FIG. 3, the light source unit 24 is disposed so as to face the front bezel portion 211 with the light guide member 22 interposed therebetween, and includes a light source 241 such as an LED, and the front bezel portion passes through the light guide member 22. Light can be irradiated toward 211.

  For example, as shown in FIG. 4, the light source unit 24 detects when the ECU (not shown) detects an approaching vehicle, a lane departure, or the like, and the image projector 10 projects the warning display S <b> 1 on the windshield. The light is controlled to be emitted toward the front bezel portion 211. Accordingly, as shown in S2 of FIG. 4, the passenger notices that the light emitted from the light source unit 24 toward the front bezel portion 211 is reflected on the windshield F and the warning display S1 is projected. It can be made easier and visibility can be improved. Further, for example, when the ignition switch of the vehicle V is turned on, an effect using light can be given to the passenger by irradiating light toward the front bezel portion 211. The light source unit 24 can be provided with the light source 241 by changing the color and arrangement of the light source in accordance with a desired visual effect.

  The cover 25 is formed in a thin plate shape that matches the size of the opening 212 of the bezel member 21 using a transparent synthetic resin. The cover 25 is attached to the opening 212 of the bezel member 21 so as to gradually move upward as it goes from the front side to the rear side of the vehicle, and dust and moisture can be prevented from entering the opening 212.

  Next, an example of a method for attaching the vehicle display device 1 will be described. First, the bezel body 20 is assembled and integrated as shown in FIG. Further, the vehicular display device 1 is obtained by combining the image projector 10 and the bezel body 20 integrated in advance. By fitting the vehicle display device 1 assembled as described above into the hole K provided in the opposing wall A of the instrument panel I, the attachment of the vehicle display device 1 is completed as shown in FIG.

  According to the present embodiment, the bezel body 20 integrally includes the bezel member 21, the light guide member 22, and the support member 23 attached to the bezel member 21 and supporting the light guide member. The bezel member 21, the light guide member 22, and the support member 23 can be integrally attached to the instrument panel I, and workability when attaching the bezel body 20 and the vehicle display device 1 can be improved. .

  In addition, the light source member 24 is disposed so as to face the front bezel portion 211 with the light guide member 22 interposed therebetween, and further includes a light source unit 24 that emits light toward the front bezel portion 211 through the light guide member 22. Since it has transparency, the light emitted from the light source unit 24 can be projected onto the windshield F through the light guide member 22 and the front bezel portion 211, and the image projector 10 projects onto the windshield F. Various visual effects such as, for example, improving the visibility of the image projected by the image projector 10 can be produced using the light emitted from the light source unit 24 in addition to the image.

  In addition, this invention is not limited to the said embodiment, Including other structures etc. which can achieve the objective of this invention, the modification etc. which are shown below are also contained in this invention.

  For example, in the above-described embodiment, the image projector 10 and the bezel body 20 are combined and attached to the vehicle V as the vehicle display device 1. However, the image projector 10 and the bezel body 20 are separated. Each of them may be attached to the vehicle V separately.

  In the above embodiment, the bezel member 21 and the support member 23 are fitted by the fitting claw portion 213 and the fitting receiving portion 232, but the bezel member 21 and the support member 23 are integrally provided. For example, it may be fixed by other fixing methods such as fixing with bolts.

  In the above embodiment, the bezel member 21 is formed in a ring shape in plan view to form the entire periphery of the opening 212. However, the bezel member 21 forms a part of the periphery of the opening 212 (that is, The part which forms only the front bezel part 211) and forms the other part of the periphery of the opening 212 may be formed integrally with the instrument panel I.

  Moreover, in the said embodiment, although the bezel member 21 had the light transmittance, the location facing the light source part 24 should just have a light transmittance at least. Moreover, in the bezel body which does not have the light source part 24, the descending wall part 211a should just have a light transmittance.

  In addition, the best configuration, method and the like for carrying out the present invention have been disclosed in the above description, but the present invention is not limited to this. That is, the invention has been illustrated and described primarily with respect to particular embodiments, but may be configured for the above-described embodiments without departing from the scope and spirit of the invention. Various modifications can be made by those skilled in the art in terms of materials, quantity, and other detailed configurations.

  Therefore, the description limiting the shape, material, etc. disclosed above is an example for easy understanding of the present invention, and does not limit the present invention. The description by the name of the member which remove | excluded the limitation of one part or all of such is included in this invention.

DESCRIPTION OF SYMBOLS 1 Display apparatus 10 for vehicles Image projector 20 Bezel body 21 Bezel member 22 Light guide member 23 Support member 24 Light source part 25 Cover 211 Front bezel part 212 Opening 211a Falling wall part V Vehicle F Windshield I Instrument panel A Opposite wall K Hole

Claims (3)

An image projector that is fitted into a wall of a vehicle instrument panel facing the windshield and disposed in the instrument panel forms part or all of the periphery of an opening for projecting an image on the windshield. A bezel body having a bezel member,
The bezel member has a front bezel portion disposed on the front side of the vehicle with respect to the opening;
The front bezel portion has a light-transmitting descending wall portion that gradually goes downward toward the opening as it goes from the front side to the rear side of the vehicle,
A light guide member that is formed in a plate shape and is disposed on the inner surface of the front bezel portion and guides light to the descending wall portion; a support member that is attached to the bezel member and supports the light guide member; Further comprising
The bezel body comprising the bezel member, the light guide member, and the support member integrally. A light source part arranged to face the front bezel part across the light guide member, and further irradiating light toward the front bezel part through the light guide member;
2. The bezel body according to claim 1, wherein at least a portion of the front bezel portion facing the light source unit has light transmittance. One of the peripheral edges of the opening for projecting an image onto the windshield, which is fitted into a wall facing the image projector disposed in the instrument panel of the vehicle and the windshield in the instrument panel. A vehicle display device comprising a bezel body having a bezel member forming part or all of the part,
The vehicle display device, wherein the bezel body is constituted by the bezel body according to claim 1.