JP6400950B2 - Bezel body, instrument panel, and vehicle display device - Google Patents

Description

  The present invention relates to a bezel body disposed on an instrument panel of a vehicle, an instrument panel, 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. 9, the vehicle display device 700 described in Patent Document 1 is mounted in an instrument panel I in which an opening H is provided in a wall A facing the windshield F, and the front panel is opened through the opening H. An image is projected onto the glass F. In the vehicular display device 700, an image projection port is provided in a case (not shown) so as to overlap the opening H. In such a vehicular display device 700, for example, a transparent cover C that closes the projection port may be provided to prevent dust or moisture from entering the case from the image projection port. External light such as light may be reflected by the cover C and go directly to the occupant's eye point EP, which may cause discomfort.

  Therefore, a vehicle display device 800 shown in FIG. 10 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. The instrument panel I has a wall A facing the windshield F, a descending wall W that gradually descends from the front side to the rear side (left to right in FIG. 10) of the vehicle, and a descending wall. An opening H adjacent to the lower end of the portion W is provided. The projection port of the vehicular display device 700 is provided so as to overlap with the opening H. The projection opening is provided with a cover C that gradually moves upward as it goes from the front side to the rear side of the vehicle. The vehicle display device 800 displays an image on the windshield F through the opening H from the projection opening. Project. In such a configuration, since the descending wall portion W 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. It is possible to suppress the reflected external light from going directly to the passenger's eye point EP.

JP 2007-148092 A

  In the configuration described above, in the instrument panel I, since the outside light does not hit the portion Wa near the opening H in the descending wall portion W, the portion Wa becomes dark, and the difference in brightness from the cover C increases. The reflection on the windshield F may be noticeable. Therefore, the descending wall portion W is made of a light-transmitting material, and a plate-shaped light guide member 802 is disposed so as to face the inner surface of the descending wall portion W, and external light is lowered by the light guide member 802. The structure which guides to location Wa vicinity of the opening H of W and illuminates the descent | falling wall part W from the inner surface side can be considered. According to this configuration, since the descending wall portion W is brightened so as to reduce the difference in brightness, the reflection on the windshield F can be made inconspicuous, and uncomfortable feeling given to the passenger can be suppressed.

  However, in the vehicle display device 800 illustrated in FIG. 10, since members such as the light guide member 802 are arranged on the inner surface side of the descending wall portion W, the descending wall portion W and the vehicle display device 800 are arranged. There is a tendency for a gap to be formed between the cover C on the side. When such a gap is generated, the shadow or the like that the lower end of the descending wall portion W falls on the cover C is particularly likely to be darker than the surroundings. In addition, when the light guide member 802 is irradiated, It is difficult to alleviate the difference in brightness.

  FIG. 11 shows a state in which the projected image G8-2 that is thinly reflected in the windshield F so that the peripheral portion of the opening H in the instrument panel I is inconspicuous surrounds the projection image G8-1. ing. Here, in the vehicular display device 800 illustrated in FIG. 10, the shadow or the like darkened as described above may appear darkly on the windshield F as shown in FIG. is there. In FIG. 11, the shadow of the projected image G8-1 is reflected as a streak-like dark image G8-3. Such a streak-like dark image G8-3 is particularly conspicuous, and often makes the passenger feel bothersome.

  Therefore, an object of the present invention is to provide a bezel body, an instrument panel, and a vehicle display device that can perform image projection while suppressing the annoyance felt by a passenger.

In order to solve the above-mentioned object, an image projector mounted in a wall facing a windshield of a vehicle instrument panel and disposed in the instrument panel is provided in the first windshield. A bezel body having a bezel member that forms a peripheral edge of an opening for projecting an image on the screen, the bezel member being formed of a semi-translucent resin, and having an annular shape and having an opening at the center, from the outer peripheral edge As it goes to the inner peripheral edge, it goes downward, and a portion of the outer peripheral edge arranged on the front side of the vehicle opens a gap for taking light through the windshield between the facing wall and the outer peripheral edge. Patent that this is from the opposing wall has a raised shape upward, that is in the bezel member transparent cover for closing the opening is provided integrally with the A bezel body to.

The invention described in claim 2 is the invention described in claim 1, wherein the bezel member and the transparent cover are integrally formed by two-color molding, or are integrally attached by welding and adhesion. It is characterized by.
According to a third aspect of the present invention, in the first or second aspect of the invention, the transparent cover is disposed so as to be directed upward from the front side to the rear side of the vehicle at the bottom of the shape. It is characterized by being.

According to a fourth aspect of the present invention, in order to solve the above-mentioned object, an image projector is disposed inside, and an opening for the image projector to project an image on the windshield has a wall facing the windshield. An instrument panel for a vehicle provided on the vehicle , wherein the facing wall is formed of a semi-translucent resin, and the peripheral shape of the opening in the facing wall is directed downward toward the periphery of the opening. In addition, a portion disposed on the front side of the vehicle has a shape that floats upward from a lower edge of the windshield so as to take in light through the windshield, and the opening is formed in the opposing wall. It is an instrument panel characterized in that a transparent cover for closing is provided integrally.

The invention described in claim 5 is the invention described in claim 4 , wherein the opposing wall and the transparent cover are integrally formed by two-color molding, or are integrally attached by welding and adhesion. It is characterized by.
The invention described in claim 6 is the invention described in claim 4 or 5, wherein the transparent cover is arranged so as to go upward as it goes from the front side to the rear side of the vehicle at the bottom of the shape. It is characterized by being.

In order to solve the above-mentioned object, the invention described in claim 7 is fitted into an opposing wall between an image projector disposed in a vehicle instrument panel and a windshield in the instrument panel. A vehicle display device comprising: a bezel body having a bezel member forming a peripheral edge of an opening for projecting an image onto the windshield, wherein the bezel body is defined in claims 1 to 3. It is comprised with the bezel body as described in any one of Claims , It is a display apparatus for vehicles characterized by the above-mentioned.

According to the invention described in claims 1, 4 , and 7 , a transparent cover that closes the opening is integrally provided on the facing wall of the bezel member or the instrument panel, and a gap is generated between the two. There is no. For this reason, the edge of the opening does not cast a shadow on the transparent cover, and the occurrence of dark spots as compared with the surroundings that cause the above-described streak dark reflection can be suppressed. As a result, the troublesomeness of the occupant due to such streaky dark reflection is suppressed. In other words, according to the inventions described in claims 1, 4 , and 7 , it is possible to perform image projection while suppressing the annoyance felt by the passenger.

According to the invention described in claims 2 and 5 , the facing wall and the transparent cover in the bezel member and the instrument panel are integrally formed by two-color molding, or are integrally attached by welding or adhesion. Therefore, the external appearance can be improved by enhancing the integrity of the bezel member and the transparent cover and the integrity of the opposing wall and the transparent cover.

It is a perspective view which shows a mode that the display apparatus for vehicles concerning 1st Embodiment of this invention was assembled | attached to the instrument panel. It is the figure which looked at the display apparatus for vehicles of Drawing 1 from the front direction of vehicles. It is sectional drawing of the display apparatus for vehicles of FIG. It is a disassembled perspective view of the display apparatus for vehicles of FIG. It is a figure explaining the assembly | attachment to the opposing wall with the windshield in the instrument panel of the display apparatus for vehicles of FIG. It is a schematic diagram which shows the projection image projected on a windshield by the display apparatus for vehicles of FIG. It is a schematic diagram which shows the instrument panel concerning 2nd Embodiment of this invention. It is a schematic diagram which shows the projection image projected on a windshield from opening of the instrument panel of 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. It is a schematic diagram which shows the projection image projected on a windshield by the vehicle display apparatus of FIG.

  A bezel body and a vehicle display device according to a first embodiment of the present invention will be described with reference to FIGS.

  FIG. 1 is a perspective view showing a state in which a vehicle display device according to a first embodiment of the present invention is assembled to an instrument panel. FIG. 2 is a view of the vehicle display device of FIG. 1 as viewed from the front of the vehicle. 3 is a cross-sectional view of the vehicle display device of FIG. 4 is an exploded perspective view of the vehicle display device of FIG. FIG. 5 is a diagram for explaining the assembly of the instrument panel of the vehicle display device of FIG. 1 to the facing wall with the windshield. In the following description, “front / rear / up / down / left / right” corresponds to front / rear, up / down / left / right of the vehicle V.

  As shown in FIGS. 1 and 2, the vehicle display device 1 according to the present embodiment is attached to an instrument panel I of a vehicle V and is used as a head-up display device that projects an image onto a windshield F. Is.

  As shown in FIGS. 3 and 4, the vehicle display device 1 includes an image projector 10 and a bezel body 15.

  The image projector 10 includes a display source 11 for projecting an image, a reflection unit 12 that reflects an image from the display source 11, a synthetic resin casing 13 that houses the display source 11 and the reflection unit 12, and have. The housing 13 includes an upper wall portion 13a, a lower wall portion 13b disposed opposite to the upper wall portion 13a, and a peripheral wall portion 13c connected to the peripheral edges of the upper wall portion 13a and the lower wall portion 13b. The upper wall portion 13a is provided with an opening 13d disposed so as to overlap with an opening 20a of a bezel member 20 described later. The image projector 10 reflects the image projected by the display source 11 by the reflection unit 12 and projects the image onto the windshield F through the opening 13d. Thereby, in the passenger | crew of the vehicle V, it visually recognizes as the image displayed on the windshield F. FIG.

  The bezel body 15 includes a bezel member 20, a light guide member 30, a support member 40, a daylighting window member 50, and a transparent cover 60.

  The bezel member 20 is made of, for example, a semi-transparent (light transmissive) synthetic resin, and has an annular shape in a plan view having an opening 20a in the center, and has a shape that gradually goes downward from the outer peripheral edge toward the inner peripheral edge. doing. In other words, the bezel member 20 is formed in such a shape that a hollow substantially square pyramid with an upper end surface and a lower end surface is turned upside down. The bezel member 20 is disposed by being fitted into a hole provided in a wall A facing the windshield F of the instrument panel I. That is, the bezel member 20 is fitted into the opposing wall A and forms the entire periphery of the opening 20a for the image projector 10 disposed in the instrument panel I to project an image on the windshield F. .

  The bezel member 20 has a front bezel portion 21 that is disposed on the front side of the vehicle V when fitted into the facing wall A. The front bezel portion 21 is disposed so as to float upward from the facing wall A so that the front end portion 21a of the vehicle V has a gap S between the vehicle V and the facing wall A (above the facing wall A). To be placed). Further, the front bezel portion 21 has a descending wall portion 22 that gradually goes downward and reaches the opening 20a as it goes from the front side to the rear side of the vehicle V.

  When the bezel member 20 is fitted into the opposing wall A, a part of the front side of the outer peripheral edge of the bezel member 20 (that is, the end 21a on the front side of the vehicle V of the front bezel portion 21) is lifted above the opposing wall A. (FIG. 2), and other parts of the outer peripheral edge other than the part are arranged so that the outer surface (upper surface) of the bezel member 20 and the outer surface of the opposing wall A are smoothly connected (FIG. 1). At this time, the opening 20a of the bezel member 20 and the opening 13d of the image projector 10 are arranged so as to overlap in the vertical direction. Further, the bezel member 20 is adjusted to have the same color appearance as the facing wall A, for example, so that the difference in reflection on the windshield F between the facing wall A and the facing wall A of the instrument panel I is not noticeable. And surface processing.

  The light guide member 30 is formed in a substantially rectangular plate shape (FIG. 4) in plan view using a highly transparent material such as glass, acrylic, polycarbonate, or other synthetic resin, and is formed on the inner surface of the front bezel portion 21. They are arranged in layers with a slight gap. In the cross-sectional view in the front-rear direction (FIG. 3), the light guide member 30 is formed thick on the front side and thin on the rear side, and the portion between the thickly formed portion and the thinly formed portion is from the front to the rear. It is formed so as to become thinner gradually as it goes to. Specifically, the surface of the light guide member 30 that faces downward is formed in a flat shape, and the surface of the downward wall portion 22 that faces upward is an inclined portion that gradually descends from the front toward the rear in the middle portion in the front-rear direction. A surface is formed.

  The light guide member 30 is formed so as to guide the light that has entered the light incident surface 30a, which is an end surface on the front side of the vehicle V, to the end portion on the rear side and to emit light from the surface on the descending wall portion 22 side. That is, the light guide member 30 guides light in the light guide direction from the front end portion where the light incident surface 30a is located toward the opposite rear end portion. As a result, light can be guided toward the light-transmitting descending wall portion 22 to illuminate the vicinity of the opening 20 a in the descending wall portion 22.

  The support member 40 includes a synthetic resin mounting portion 41 and a pair of leg portions 42.

  The placement portion 41 is a portion on which the light guide member 30 is placed, and is formed in a substantially plate shape whose plan view shape is slightly larger than the plan view shape of the light guide member 30. The mounting portion 41 is disposed with a space from the inner surface of the front bezel portion 21, and the front end portion 41 a of the vehicle V is aligned with the end portion 21 a of the front bezel portion 21 in a generally vertical direction. Further, both end portions facing in the left-right direction are disposed in contact with the inner surface of the bezel member 20. Thereby, the mounting part 41 forms an accommodation space K for accommodating the light guide member 30 between the mounting part 41 and the front bezel part 21. The accommodation space K opens toward the gap S. In the accommodation space K, the light guide member 30 is disposed such that the light incident surface 30a faces the gap S through the opening of the accommodation space K.

  The pair of leg portions 42 are portions that connect the mounting portion 41 and the housing 13 of the image projector 10, and respectively forward and upward from both left and right ends of the front surface of the peripheral wall portion 13 c of the housing 13. It is extended (FIG. 4). The base end of the leg portion 42 is integrally fixed to the housing 13, and a fixing portion 41 b provided on the lower surface of the placement portion 41 is fixed to the distal end.

  The daylighting window member 50 is formed using a highly transparent material such as synthetic resin such as glass, acrylic and polycarbonate. The daylighting window member 50 is provided so as to seal the opening of the accommodation space K and to take light from the gap S into the accommodation space K.

  The transparent cover 60 is formed in a thin plate shape using a highly transparent material such as synthetic resin such as glass, acrylic, and polycarbonate, and closes the opening 20 a of the bezel member 20. The transparent cover 60 is disposed so as to go upward as it goes from the front side to the rear side of the vehicle V (FIG. 3). Thereby, it can suppress that the light which hit | transmitted the transparent cover 60 goes directly to a passenger | crew's eye point.

  Here, in this embodiment, the bezel member 20 and the transparent cover 60 are provided integrally. The bezel member 20 and the transparent cover 60 are integrally formed by two-color molding in which two types of resins are poured into one mold, or two members molded with different resins are heated. It is attached integrally by welding which melts and integrates the joint portion by means of, or is attached integrally by adhesion. It is not specified here which of the three types of methods is used, but any method can be adopted for integrally forming the bezel member 20 and the transparent cover 60.

  In the present embodiment, assembling of the instrument panel I of the vehicle display device 1 to the facing wall A with the windshield F is performed as shown in FIG. That is, an opening Ia for fitting the bezel member 20 is formed in the opposing wall A of the instrument panel I. First, a bezel in which the transparent cover 60 is integrally provided in the opening Ia as described above. The member 20 is fitted from above as indicated by the arrow D1.

  And the structure of the light guide member 30, the support member 40, the lighting window member 50, and the image projector 10 is assembled | attached from the downward direction to the opposing wall A after the bezel member 20 insertion as the arrow D2 shows. . Here, in this embodiment, the cushioning material 14 is provided on the edge of the opening 13d (FIG. 4) in the image projector 10 over the entire circumference. Then, when the structure is assembled to the facing wall A, the cushioning material 14 is pressed against the edge of the opening 20a of the bezel member 20, and the opening 20a of the bezel member 20 and the opening 13d of the image projector 10 are vertically moved. It is done to overlap. By the pressing through the buffer material 14, the projection port 13 d of the image projector 10 is closed and sealed by the bezel member 20 whose opening 20 is blocked by the transparent cover 60.

  Next, an example of the operation of the vehicle display device 1 of the present embodiment will be described with reference to FIG.

  FIG. 6 schematically shows a projection image projected on the windshield F by the vehicle display device 1 of the present embodiment. In the vehicle display device 1, the bezel member 20 and the transparent cover 60 are integrally provided, and there is no gap between them. For this reason, the edge of the opening 20a of the bezel member 20 does not cast a shadow on the transparent cover 60, and the occurrence of dark spots as compared with the surroundings that cause the above-described streak dark reflection is suppressed. . As a result, such streak-like dark reflection is suppressed around the projection image G1-1. Around the projection image G1-1, there is no projection image G1-2 such as a boundary line between the bezel member 20 and the instrument panel I whose brightness difference is reduced by irradiation of the light guide member 30, or inconspicuous. It will only be reflected thinly.

  As described above, according to the vehicular display device 1 of the present embodiment, the troublesomeness of the passenger due to the dark streaky reflection as described above can be suppressed. That is, according to this vehicular display device 1, it is possible to perform image projection while suppressing the annoyance felt by the passenger.

  Further, according to the vehicle display device 1 of the present embodiment, the bezel member 20 and the transparent cover 60 are integrally formed by two-color molding, or are integrally attached by welding or adhesion. The integrity of the bezel member 20 and the transparent cover 60 is enhanced, and the appearance is improved.

  Next, a second embodiment of the present invention will be described. In addition, this 2nd Embodiment is embodiment about an instrument panel, and becomes the same as 1st Embodiment except the point which this instrument panel also serves as the role of the bezel member 20 mentioned above. ing. Therefore, in the following, the second embodiment will be described with reference to FIG. 7, focusing on the differences from the first embodiment.

  FIG. 7 schematically shows an instrument panel according to the second embodiment of the present invention. In FIG. 7, the same components as those in the first embodiment shown in FIG. 6 are denoted by the same reference numerals as those in FIG. Duplicate explanation is omitted.

  As described above, the instrument panel 70 of the present embodiment also serves as the bezel member 20 in the first embodiment described above, and the image projector 10 displays an image on the windshield F on the wall 71 facing the windshield F. An opening 71a for projection is provided. A transparent cover 80 that closes the opening is integrally provided on the opposing wall 71 of the instrument panel 70. The facing wall 71 and the transparent cover 80 are integrally formed by the two-color molding described above, or are integrally attached by welding or adhesion. Although not specified here, any method can be adopted for integrally forming the facing wall 71 and the transparent cover 80.

  In this embodiment, the construction of the light guide member 30, the support member 40, the daylighting window member 50, and the image projector 10 is assembled to the opposing wall 71 of the instrument panel 70 from below as indicated by the arrow D3. It is done. This assembly is performed such that the cushioning material 14 is pressed against the edge of the opening 71a of the opposing wall 71 so that the opening 71a and the opening 13d of the image projector 10 overlap in the vertical direction. By the pressing through the buffer material 14, the projection port 13 d of the image projector 10 is closed and sealed by the instrument panel 70 in which the opening 71 a is blocked by the transparent cover 80.

  Next, an example of the effect | action of the instrument panel 70 of this embodiment is demonstrated with reference to FIG.

  FIG. 8 schematically shows a projection image projected onto the windshield F from the opening 71a of the instrument panel 70 of the present embodiment. In the instrument panel 70, the opposing wall 71 and the transparent cover 80 are integrally provided, and there is no gap between them. For this reason, the edge of the opening 71a of the opposing wall 71 does not cast a shadow on the transparent cover 80, and the occurrence of dark spots as compared with the surroundings that cause the above-described streak dark reflection is suppressed. . As a result, such dark streak is suppressed around the projection image G2-1. Furthermore, since the instrument panel 70 also serves as the bezel member 20 in the first embodiment described above, there is no reflection of the boundary line between the bezel member 20 and the instrument panel 70, and the projected image G2-1. Visibility is further improved.

  As described above, according to the instrument panel 70 of the present embodiment, it is possible to suppress the annoyance of the passenger due to the dark streaky reflection as described above, and to perform image projection while suppressing the annoyance felt by the passenger. it can.

  Moreover, according to this embodiment, since the opposing wall 71 and the transparent cover 60 of the instrument panel 70 are integrally formed by two-color molding, or are integrally attached by welding or adhesion, the opposing wall The unity between 71 and the transparent cover 60 is enhanced, and the appearance is improved.

  Although the present invention has been described with reference to the preferred embodiment, the bezel member, the bezel body, and the vehicle display device of the present invention are not limited to the configuration of the above embodiment.

  In the above-described embodiment, the light guide member 30 is supported by the support member 40 integrated with the image projector 10, and the light guide member 30 is assembled to the instrument panel or the bezel member together with the image projector 10. However, it is not limited to this. For example, a member that supports the light guide member 30 may be provided on the instrument panel or the bezel member, and the image projector 10 may be assembled on the instrument panel or bezel member to which the light guide member 30 is already assembled. .

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention. Of course, such modifications are also included in the scope of the present invention as long as the configuration of the bezel member, the bezel body, and the vehicle display device of the present invention is provided.

DESCRIPTION OF SYMBOLS 1 Display apparatus for vehicles 10 Image projector 15 Bezel body 20 Bezel member 20a, 71a, Ia Opening 21 Front bezel part 22 Falling wall part 30 Light guide member 30a Light incident surface 40 Support member 50 Daylighting window member 60, 80 Transparent cover 70 , I Instrument panel 71, A Opposing wall F Windshield K Housing space S Clearance V Vehicle

Claims (7)

A bezel having a bezel member that forms a peripheral edge of an opening for projecting an image onto the windshield by an image projector that is fitted in a wall facing the windshield of the instrument panel of the vehicle and disposed in the instrument panel Body,
The bezel member is formed of a semi-translucent resin and has an annular shape with the opening at the center, and moves downward from the outer peripheral edge toward the inner peripheral edge, and is disposed on the front side of the vehicle in the outer peripheral edge. The portion to be lifted upward from the facing wall so as to leave a gap for taking light through the windshield between the facing wall ,
A bezel body, wherein the bezel member is integrally provided with a transparent cover for closing the opening.   The bezel body according to claim 1, wherein the bezel member and the transparent cover are integrally formed by two-color molding, or are integrally attached by welding and adhesion.   The bezel body according to claim 1 or 2, wherein the transparent cover is disposed so as to be directed upward from the front side to the rear side of the vehicle at the bottom of the shape. An instrument panel of a vehicle in which an image projector is disposed inside, and an opening for the image projector to project an image on a windshield is provided on a wall facing the windshield,
The facing wall is formed of a semi-transparent resin, and the peripheral shape of the opening in the facing wall is directed downward toward the periphery of the opening, and the portion disposed on the front side of the vehicle is It has a shape that floats upward from the lower edge of the windshield so as to take in light through the windshield ,
An instrument panel, wherein a transparent cover for closing the opening is integrally provided on the opposing wall.   The instrument panel according to claim 4, wherein the opposing wall and the transparent cover are integrally formed by two-color molding, or are integrally attached by welding and adhesion.   6. The instrument panel according to claim 4, wherein the transparent cover is disposed so as to go upward as it goes from the front side to the rear side of the vehicle at the bottom of the shape. An image projector disposed in an instrument panel of a vehicle and a front wall of the instrument panel are fitted into a facing wall to form a peripheral edge of an opening for the image projector to project an image on the windshield. A vehicle display device comprising: a bezel body having a bezel member for
The vehicle display device, wherein the bezel body is constituted by the bezel body according to any one of claims 1 to 3.

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