JP4725426B2 - Display device - Google Patents

Description

  The present invention relates to a display device that displays a large amount of information in a limited space.

  2. Description of the Related Art In recent years, various display methods for vehicles have been proposed in order to display a large amount of information in a limited space.

  For example, a display device for a vehicle that displays a warning that warns of an abnormality of the vehicle and an indicator that informs an operating state of the device provided in the vehicle using a space of a decoration portion has been proposed (Patent Document 1). See).

  This display device includes a display board on which an index including characters and scales is formed, a pointer that rotates along the viewing side front surface of the display board, and an decoration that forms an outer frame of the index and decorates them. It is configured as a pointer instrument with a part. The decorating part is formed as a ring-shaped projecting part projecting from the display board to the viewing side, and an indicator and a warning are provided in the area of the decorating part.

  Specifically, a plurality of openings are provided in the decorative portion, and marks representing warnings and warnings are formed behind the decorative portion so as to be visible through the openings. The light emitting diode is provided. By turning on each light emitting diode, a necessary mark is emitted, and an indicator or warning indicated by the mark is notified to the driver.

Thereby, in this display apparatus, many indicators and warnings can be notified using the space of a decoration part.
JP 2002-98559 A

  However, in the display device according to Patent Document 1, each mark is configured to be visible from each opening of the decoration portion, and is switched between a light emitting state and a non-light emitting state by switching on and off of the light emitting diode. Therefore, the decoration portion is in a state where the portion to be decorated and the portion of each mark are mixed regardless of switching between light emission and extinction of the light emitting diode. That is, since a space for forming each mark is necessary, the decoration part is in a state where its function is inevitably impaired by this space, and the decoration function cannot be sufficiently exhibited.

  This problem is not limited to the display of indicators and warnings, but is a common problem when displaying a display design part including an index or other symbols on the decoration part.

  In addition, this problem is not limited to the case where the display design part is displayed on the decoration part, but is a problem common to the case where an attempt is made to display in a space other than the decoration part in the display board.

  In addition, this problem is not limited to a pointer instrument having a pointer, but is a problem common to display devices.

  This invention is made | formed in view of the said point, and it aims at providing the display apparatus which can form a display design part in a smaller space.

  In order to achieve the above object, the present invention employs the following technical means.

The display device according to claim 1 has a flat plate and a portion that protrudes to the viewing side from the flat portion, and a flat plate that is formed with an indicator composed of characters and scales on the protruding portion. A display member that is arranged on the outer peripheral side of the protruding portion so as to protrude toward the viewing side and has a light-transmitting property, and has a first display design portion that can transmit light formed on the outer peripheral side. A member, a first light source that is disposed behind the display plate and transmits and illuminates the display member, and is disposed on the outer peripheral side of the display member so as to protrude from the flat portion of the display plate to the viewing side. Is a reflecting member that reflects light from the back side and transmits light from the back side to the viewing side, and a second display design portion that allows light incident from the back side to pass therethrough is formed on the back side. A second member of the reflecting member disposed behind the reflecting member and the reflecting member; A second light source that transmits and illuminates the design portion, the first light source turns on, and the light from the first light source that transmits and illuminates the first display design portion is reflected by the reflecting member, whereby the first light source is turned on. The display design portion is viewed as a virtual image, the second light source is turned on, and the light from the second light source that has transmitted and illuminated the second display design portion is transmitted through the reflecting member, whereby the second display design portion is made a real image. The first inclination angle of the first display design portion with respect to the display board is set to be larger than the second inclination angle of the virtual image of the first display design portion with respect to the display board, and the reflection member And a half mirror layer that is formed on the entire viewing side of the second translucent part and reflects light from the first light source that illuminates and transmits the display member to the viewing side, and the first translucent part A second opaque layer formed on the back surface and having a second opening as a second display design portion The translucency of the half mirror layer is adjusted so that the light from the second light source that has passed through the reflecting member is viewed as a real image of the second display design portion, and the half mirror layer of the second light source The display member is adjusted so as to be viewed in a mirror state when the light is extinguished. The display member is formed on the first translucent portion and the front surface of the first translucent portion on the reflecting member side, and is the first display design portion. A first light-transmitting layer having an opening; and a semi-light-transmitting layer formed on the upper surface of the first light-transmitting layer. Adjustment is performed so that light from the light source is reflected by the reflecting member and viewed as a virtual image of the first display design portion, and the semi-transparent layer is displayed when the first light source is extinguished. It is adjusted so that it may be visually observed in the state of a color .

In this configuration, the first inclination angle of the first display design portion is set larger than the second inclination angle of the virtual image of the first display design portion with respect to the display board. As a result, the first display design portion is formed to be inclined with respect to the virtual image of the first display design portion to be viewed, so that the space required for the virtual image of the first display design portion to be viewed from the viewing side is required. Compared with, the first display design portion can be formed in a smaller space. That is, it is possible to provide a display device that can form the first display design portion in a smaller space as the display design portion. In addition, a second light source that transmits and illuminates the reflecting member is provided, and the reflecting member includes a second light-transmitting portion, a half mirror layer, and a second light-impermeable layer having a second opening as a second display design portion. Is provided. Furthermore, the translucency of the half mirror layer is adjusted so that light from the second light source that has passed through the reflecting member is viewed as a real image of the second display design portion, and the half mirror layer is turned off by the second light source. It is adjusted so that it can be seen in the mirror state when dredging. Thereby, in addition to the above-mentioned effect, the second display design portion can be viewed as a real image by effectively using the space of the reflecting member. In addition, the display member includes a first light-transmitting portion, a first light-transmitting layer having a first opening as a first display design portion, and a semi-light-transmitting layer formed on the upper surface of the first light-transmitting layer. And a layer. In addition, the translucency of the semi-transparent layer is adjusted so that light from the first light source transmitted through the display member is reflected by the reflective member and viewed as a virtual image of the first display design portion. The light layer is adjusted so as to be visually observed in the display color state of the semi-translucent layer when the first light source is extinguished. Thereby, it is possible to prevent the first display design portion from being viewed as a real image on the first light-transmitting portion when the first light source is extinguished while obtaining the above-described effect.

  The display device according to claim 2 is characterized in that the first tilt angle is set to approximately 90 degrees and the second tilt angle is set to approximately 0 degrees.

  Thereby, the space which forms the 1st display design part can be formed so that it may become substantially unnecessary seeing from the viewing side. That is, it is possible to provide a display device capable of forming the first display design portion in a space substantially equal to zero as the display design portion.

The display device according to claim 3 is provided with a pointer indicating the index by rotating along the viewing-side front surface of the display board , and the reflecting member is at least a part of a decorative portion that forms an outer frame of the index. It is comprised as follows.

  In this configuration, the reflecting member is configured as at least a part of the decorative portion that forms the outer frame of the indicator. Thereby, in addition to the above-described effect, the first display design portion can be visually observed as a virtual image by effectively using the space of the decoration portion.

  The display device according to a fourth aspect is characterized in that at least one of the display member and the reflection member is formed integrally with the display plate.

  Thereby, the above-mentioned effect can be obtained at low cost.

Display device according to claim 5, comprising a third light source to be incident light to the first light transmitting portion, the reflecting member is a half mirror layer light from the third light source incident on the second light transmitting portion Is formed so as to be reflected to the viewing side through, and the translucency of the half mirror layer is adjusted so that the light from the third light source reflected to the viewing side through the half mirror layer is viewed as the light emitting display of the reflecting member, In addition, the half mirror layer is adjusted so as to be viewed in a mirror state when the third light source is extinguished.

  In this configuration, the reflecting member includes the second light-transmitting portion and the half mirror layer, and a third light source that causes light to enter the second light-transmitting portion is provided. Further, the translucency of the half mirror layer is adjusted so that light from the third light source is viewed as a light emitting display of the reflecting member, and the half mirror layer is viewed in a mirror state when the third light source is extinguished. It has been adjusted so that. Thereby, in addition to the above-mentioned effect, the decoration function by the light emission display of a reflection member can be added with respect to a reflection member.

  The display device according to claim 6 includes control means for controlling turning on / off of the first light source and the third light source, and the control means turns off the third light source when the first light source is turned on. Further, the third light source is turned on when the first light source is turned off.

  In this configuration, the third light source is turned off when the first light source is turned on, and the third light source is turned on when the first light source is turned off. It is possible to distinguish more clearly from the case of decorating with the light emitting display. Thereby, in addition to the above-mentioned effect, it can be recognized more easily that the 1st display design part is displayed as a virtual image.

  The display device according to claim 7 includes a control unit that controls turning on / off of the first light source and the third light source, and the control unit turns on the third light source when the first light source is turned on. Configured so that the third light source is extinguished when the first light source is extinguished, and the color tone of the light emitting display of the reflecting member is configured to be at least similar to the color tone of the virtual image of the first display design portion. It is characterized by being.

  In this configuration, since the color tone (hue, lightness, saturation) of the light emitting display of the reflecting member is at least similar to the color tone of the virtual image of the first display design portion, in addition to the above effects, the first display design portion is a virtual image. It can be recognized more easily that it is displayed.

The display device according to claim 8 , wherein the first light source and the second light source are alternately turned on and off by alternately controlling the virtual image and the second display design of the first display design portion that are visually observed. And a control means for causing the real images of the portions to blink alternately and visually.

  In this configuration, since the virtual image of the first display design portion and the real image of the second display design portion that are visually observed by overlapping each other are blinked and viewed alternately, it is possible to distinguish and recognize both of them that are viewed visually. .

The display device according to claim 9 , further comprising: a third light source that causes light to enter the second light transmissive portion, and the reflection member that half-mirrors the light from the third light source incident on the second light transmissive portion. It is formed to reflect to the viewing side through the layer, and the translucency of the half mirror layer is adjusted so that the light from the third light source reflected to the viewing side through the half mirror layer is viewed as the light emitting display of the reflecting member And the light from the second light source that has passed through the reflecting member is adjusted so as to be viewed as a real image of the second display design portion, and the half mirror layer is extinguished between the second light source and the third light source. It is adjusted so that it can be visually observed in a mirror state at the time of dredging.

  Thereby, in addition to the above-mentioned effect, while the decoration function by the light emission display of a reflection member can be added with respect to a reflection member, a 2nd display design part can be made to visually recognize as a real image on a reflection member.

The display device according to claim 10 includes control means for controlling turning on / off of the first light source, the second light source, and the third light source, and the control means is one of the first light source and the second light source. Is configured to turn off the third light source when the light source is turned on, and is configured to turn on the third light source when both the first light source and the second light source are turned off. It is characterized by.

  Thereby, in addition to the above-described effect, it can be more easily recognized that the first display design portion is displayed as a virtual image or the second display design portion as a real image.

The display device according to claim 11 includes control means for controlling turning on and off of the first light source, the second light source, and the third light source, and the control means is one of the first light source and the second light source. Is configured to turn on the third light source when the light source is turned on, and is configured to turn off the third light source when both the first light source and the second light source are turned off. The color tone of the light emission display from the reflecting member is configured to be at least similar to the color tone of either the virtual image of the first display design portion or the real image of the second display design portion.

  Thereby, in addition to the above-described effect, it can be more easily recognized that the first display design portion is displayed as a virtual image or the second display design portion as a real image.

The display device according to claim 12 , wherein the first display design unit represents a symbol representing an indicator for notifying an operating state of a device provided in the host vehicle on which the display device is disposed, and a symbol representing a warning for warning an abnormality of the host vehicle. It is characterized by providing at least one of these.

  In this configuration, since the first display design portion includes at least one of a symbol representing an indicator and a symbol representing a warning, a display device capable of forming the symbol in a smaller space can be provided.

In the display device according to claim 13 , the second display design unit represents a symbol representing an indicator for notifying an operating state of a device provided in the host vehicle on which the display device is disposed, and a symbol representing a warning for warning an abnormality of the host vehicle. It is characterized by providing at least one of these.

  In this configuration, since the second display design portion includes at least one of a symbol representing an indicator and a symbol representing a warning, the symbol can be displayed by effectively using the space of the reflecting member.

In the display device according to claim 14 , the first opening is formed in the first light-impermeable layer by irradiating the first light-impermeable layer formed in the first light-transmissive portion with a laser beam. It is characterized by that.

  Thereby, even when the first tilt angle is large, the first opening having a complicated shape can be formed.

The display device according to claim 15 , wherein the first light-transmitting layer, the semi-light-transmitting layer, and the display member having the first opening are formed, and the light-transmitting layer in which the first light-transmitting layer and the semi-light-transmitting layer are formed. It is formed by resin molding in a state in which a light thermoplastic resin film is inserted into a mold.

  Thereby, even when the first tilt angle is large, the first opening having a complicated shape can be formed.

The display device according to claim 16 , wherein the first opaque layer in which the first opening is formed presses the rubber-like pad against the first transparent portion to receive the ink transferred to the pad. It is formed by transferring to 1 translucent part.

  Thereby, even when the first tilt angle is large, the first opening having a complicated shape can be formed.

  Hereinafter, a case where the display device according to the present invention is applied to a combination meter 1 mounted on an automobile will be described with reference to the drawings.

(Constitution)
FIG. 1 is a front view of a combination meter 1 which is a display device according to an embodiment of the present invention.

  2 is a cross-sectional view taken along line II-II in FIG.

  3A is an enlarged cross-sectional view of the IIIA portion in FIG. 2, and FIG. 3B is a schematic diagram for explaining the arrangement of the symbols 33 that are the first display design portions shown in FIG. 3A. It is.

  FIG. 4 is a circuit configuration diagram illustrating an electrical circuit configuration of the combination meter 1 according to one embodiment of the present invention.

  A combination meter 1 which is a display device according to an embodiment of the present invention is disposed at a position where a driver can view in front of a driver's seat of the automobile, and displays various information related to the automobile.

  The combination meter 1 according to the present embodiment includes a speedometer for instructing a traveling speed of the automobile, an indicator for informing an operating state of a device provided in the automobile, and a warning for warning an abnormality of the automobile. Hereinafter, the indicator and the warning are collectively referred to as an indicator / warning.

  The speedometer includes a dial 2 that is a display board on which characters 21 and scales 22 that are indexes are formed in FIG. 1, and a pointer 5 that rotates along the front surface on the viewing side (the upper surface in FIG. 2). And the speed is indicated by a character 21 and a scale 22 indicated by the pointer 5.

  The decoration part 4 which is a ring-shaped reflection member forms the outer frame of the character 21 and the scale 22, and the symbol 33 which is the 1st display design part showing each indicator / warning and the symbol 43 which is the 2nd display design part Is configured to be displayed on the decoration unit 4.

  Hereinafter, the speedometer will be described.

  As shown in FIG. 3, the character 21 and the scale 22 are formed as openings in the background layer 24 that constitutes the background of the character 21 and the scale 22. Specifically, a light-transmitting white indicator layer 23 is formed on the front side of the light-transmitting resin substrate 20 such as a transparent polycarbonate resin (upper surface in FIG. 3), and the upper surface of the indicator layer 23 is not coated. A translucent black background layer 24 is formed. That is, the character 21 and the scale 22 are formed as an indicator layer 23 that can be viewed through the opening of the background layer 24.

  Note that the dial 2 is formed such that a portion where the character 21 and the scale 22 are formed protrudes to the viewing side (upper side in FIG. 3).

  Between the dial 2 and the decoration part 4, the standing wall part 3 which is a display member is formed in a ring shape. The standing wall portion 3 includes a first light-transmitting portion 30, a black first light-impermeable layer 32 having a first opening 33 as a symbol 33, and a metal-like (silver) semi-light-transmitting layer 31. . The first light-impermeable layer 32 is formed on the front surface (left side in FIG. 3) of the decorative portion 4 of the first light-transmissive portion 30, and the semi-light-transmissive layer 31 is the upper surface (see FIG. 3 on the left side surface).

  The translucency of the semi-transparent layer 31 is such that light from a light emitting diode 63 that is a first light source, which will be described later, transmitted through the standing wall portion 3 is reflected by the decorating portion 4 and viewed as a virtual image 33a of the symbol 33. In addition, the semi-transparent layer 31 is adjusted so as to be visually observed in a metallic state that is the display color of the semi-transparent layer 31 when the light-emitting diode 63 is extinguished.

  still. 2 and 3, the virtual image 33 a is shown as a dashed arrow 33 a, and the symbol (first opening) 33 is shown as a solid arrow 33.

  The standing wall portion 3 is formed at approximately 90 degrees with respect to a portion (flat portion) that does not protrude to the viewing side of the dial 2, whereby the symbol (first opening) 33 is formed as a flat portion of the dial 2. Is formed at approximately 90 degrees. That is, the first inclination angle A1 of the symbol 33 with respect to the dial 2 is set to approximately 90 degrees as shown in FIG.

  The decorating unit 4 includes a second translucent unit 40, a half mirror layer 41 that reflects light from the light emitting diode 63 that has transmitted and illuminated the standing wall 3 to the viewing side (upper side in FIG. 3), and a symbol 43. A black second opaque layer 42 having a second opening 43. The half mirror layer 41 is formed on the viewing-side front surface (upper surface in FIG. 3) of the second light-transmissive portion 40, and the second light-impermeable layer 42 is formed on the back surface of the second light-transmissive portion 40 (FIG. 3). In the lower surface).

  In addition, since the 2nd opening part 43 formed as the symbol 43 inclines with respect to the flat part of the dial 2 as shown to Fig.3 (a), the shape of the 2nd opening part 43 is the symbol 43. It is formed so that it can be visually observed in a predetermined shape. In FIG. 2 and FIG. 3A, the symbol (second opening) 43 is shown as a solid line arrow 43.

  The half mirror layer 41 causes the symbol 33 to be viewed as a virtual image 33a by reflecting light from the light emitting diode 63 that has been transmitted and illuminated through the standing wall 3 to the viewing side. The translucency of the half mirror layer 41 is adjusted so that light from a light-emitting diode 64 that is a second light source, which will be described later, transmitted through the decorating unit 4 is viewed as a real image of the symbol 43, and the half mirror layer 41 Is adjusted so that it can be seen in the mirror state when the light emitting diode 64 is extinguished.

  The decorating part 4 (half mirror layer 41) is set to the flat part of the dial 2 so that the second inclination angle A2 of the virtual image 33a of the symbol 33 with respect to the flat part of the dial 2 is set to approximately 0 degrees. Inclined and formed. That is, the second inclination angle A2 of the virtual image 33a of the symbol 33 with respect to the dial 2 is set to approximately 0 degrees as shown in FIG.

  The indicator layer 23, the background layer 24, the half mirror layer 41, and the second opaque layer 42 are formed by screen printing, hot stamp printing, or the like. The indicator layer 23 and the background layer 24 and the half mirror layer 41 are formed on the front side of the viewing side of the plate-like translucent resin substrate 20, and the second layer is formed on the rear side of the translucent resin substrate 20. The opaque layer 42 is formed.

  Thereafter, the plate-like translucent resin substrate 20 is subjected to pressure forming (a kind of drawing), or the like, so that the portion where the characters 21 and the scales 22 are formed on the dial 2 and the decoration portion 4 are shown in FIG. The ring shape shown in FIG. 2 is formed so as to protrude toward the viewing side with respect to the flat portion of the dial 2. At this time, the standing wall portion 3 is formed at approximately 90 degrees with respect to the flat portion of the dial 2.

  That is, the first translucent part 30 and the second translucent part 40 are integrally formed from the translucent resin substrate 20 by integral molding. That is, the standing wall portion 3 and the decorating portion 4 are formed integrally with the dial 2.

  The standing wall 3 is formed at approximately 90 degrees with respect to the flat portion of the dial 2. For this reason, if pressure forming or the like is performed after forming the semi-transmissive layer 31 and the first non-transmissive layer 32, the shape of the symbol 33 may be damaged. Is formed after compressed air molding or the like.

  For example, after the first light-impermeable layer 32 is formed by coating or the like on the first light-transmitting portion 30 having a standing wall shape, the first opening 33 is formed in the first light-transmitting portion 30. The first opaque layer 32 is formed by irradiating a laser beam. That is, the first opaque layer at the site irradiated with the laser beam is removed by evaporation, thereby forming the first opening 33 at this site. Thereafter, the semi-transmissive layer 31 is formed on the first opaque layer 32 by painting or the like.

  Alternatively, the semi-transmissive layer 31 and the first opaque layer 32 are formed on the first transparent portion 30 by using so-called transfer.

  Specifically, the ink for the first light-impermeable layer 32 is applied to the intaglio on which the shape pattern of the first light-impermeable layer 32 having the first opening 33 is formed, and the excess ink is scraped off with a blade. take. The rubber-like pad is pressed against the intaglio to transfer the ink on the intaglio to the pad, and the pad is pressed against the first translucent portion 30 to transfer the ink transferred to the pad to the first translucent portion 30. As a result, the first opaque layer 32 having the first opening 33 is formed on the first transparent portion 30 having a standing wall shape.

  Similarly, the ink for the semi-transparent layer 31 is applied to the intaglio plate on which the shape pattern of the semi-transparent layer 31 is formed, and excess ink is scraped off with a blade. The rubber-like pad is pressed against the intaglio to transfer the ink on the intaglio to the pad, and the pad is pressed against the upper surface of the first opaque layer 32 to transfer the ink transferred to the pad to the upper surface of the first opaque layer 32. Transcript to. Thereby, the semi-transmissive layer 31 is formed on the upper surface of the first opaque layer 32.

  Alternatively, the semi-transmissive layer 31 and the first opaque layer 32 are formed on the first transparent portion 30 by using so-called in-mold molding. In this case, the second light-impermeable layer 42 is formed on the front side of the second light-transmissive portion 40 on the viewing side, and the half mirror layer 41 is formed on the upper surface of the second light-impermeable layer 42.

  Specifically, on the colorless transparent thermoplastic film, the indicator layer 23, the background layer 24 on the upper surface, the second opaque layer 42, the half mirror layer 41 on the upper surface, and the first opaque light. The layer 32 and the semi-transparent layer 31 are formed on the upper surface by printing in advance. The standing wall portion 3 and the decorating portion 4 are formed integrally with the dial 2 by resin-molding the printed film inserted in a mold.

  As shown in FIG. 2, the dial 2 is provided with a through hole 25 through which a shaft 52 of a movement 51 described later is inserted, and a case 7, behind the dial 2 (lower side in FIG. 2), The movement 51, the light emitting diodes 61-64, and the printed circuit board 8 are arranged. The printed circuit board 8 forms an electric circuit part of the combination meter 1, and the movement 51 and the light emitting diodes 61-64 are mounted on the printed circuit board 8.

  The movement 51 is composed of, for example, a cross coil actuator, a stepping motor, or the like, and rotates the shaft 52 by an angle corresponding to an external electric signal (vehicle speed signal in the present embodiment). The shaft 52 extends to the viewing side (upper side in FIG. 2) through the through hole 25 of the dial 2, and the pointer 5 is fixed to the tip thereof.

  The case 7 guides, for example, white light from the light emitting diode 61 to the pointer 5 and causes the pointer 5 to emit light. The pointer 5 is formed so as to emit and display red light, for example, with white light. Further, the case 7 guides, for example, white light from the light emitting diode 62 to the dial 2 to transmit and illuminate the dial 2.

  In addition, the case 7 guides, for example, red light from the light emitting diode 63 to the standing wall portion 3 so that the standing wall portion 3 is transmitted and illuminated. The light from the light emitting diode 63 that has passed through the standing wall portion 3 is reflected by the half mirror layer 41 of the decorating portion 4 and viewed as a virtual image 33 a of the symbol 33.

  Thereby, the symbol 33 representing each indicator / warning is visually recognized as a virtual image 33 a in the decoration portion 4 by turning on the light emitting diode 63. A light emitting diode 63 is provided for each symbol 33 shown in FIG. 1, and each light emitting diode 63 is shielded by the case 7 so as not to transmit and illuminate the adjacent symbol 33 and the character 21 and scale 22 of the dial 2. .

  Further, the case 7 guides, for example, red light from the light emitting diodes 64 disposed behind the decoration part 4 (lower side in FIGS. 2 and 3) to the decoration part 4 and illuminates the decoration part 4. Let The light from the light emitting diode 64 that has passed through the decorating unit 4 is viewed as a real image of the symbol 43.

  Thereby, the symbol 43 representing each indicator / warning is visually recognized as a real image 43 in the decorating unit 4 by turning on the light emitting diode 64. The light emitting diodes 64 are arranged for each symbol 43 shown in FIG. 1, and each light emitting diode 64 is shielded from light by the case 7 so as not to transmit and illuminate the adjacent symbol 43.

  The electric circuit configuration of the combination meter 1 according to the present embodiment described above will be described with reference to FIG.

  The control device 9, which is a control means composed of a microcomputer or the like, is always supplied with electric power from the battery 12, and the ignition switch 11 is connected so as to detect its operation position (off position, on position). A vehicle speed sensor 10 that detects the traveling speed, a sensor, a switch, and the like (not shown) are connected so that these signals can be input.

  Further, the movement 51 and the light emitting diodes 61-64 driven by the control device 9 according to the detection signal from the vehicle speed sensor 10 are also connected to the control device 9.

  The control device 9 is configured as a self-luminous meter that lights up the light emitting diodes 61 and 62 when the ignition switch 11 is turned on. Although the light emitting diodes 61 and 62 can be turned on when the surroundings become dark, it will be described as a self-luminous meter hereinafter.

  The control device 9 is configured to turn on the light emitting diodes 63 and 64 corresponding to the symbols 33 and 43 representing the indicator to be notified and the warning to be warned. That is, the control device 9 turns on the light-emitting diodes 63 and 64 corresponding to the symbols 33 and 43 representing the operation state of the equipment provided in the vehicle or notifying the abnormality content related to the vehicle.

  In addition, the control device 9 alternately blinks the virtual image 33a of the symbol 33 and the real image of the symbol 43, which are viewed in an overlapping manner, so that the symbols 33 and 43 can be viewed in a superimposed manner in FIG. Configured to be viewed. Specifically, the control device 9 is configured to alternately turn on and off the light-emitting diodes 63 and 64 corresponding to the symbols 33 and 43 that are visually recognized.

(Operation)
The operation of the combination meter 1 configured as described above according to an embodiment of the present invention will be described.

  When the ignition switch 11 is turned on, in FIG. 4, the control device 9 detects it and starts operation. That is, based on the output signal from the speed sensor 10, the vehicle speed of the vehicle is calculated, and the movement 51 is driven so that the shaft 52 is rotated by an angle corresponding thereto. The control device 9 turns on the light emitting diodes 61 and 62 but turns off the light emitting diodes 63 and 64.

  The white light emitted from the light emitting diode 61 is guided into the pointer 5 in FIG. 2 to cause the pointer 5 to emit light in red.

  The white light of the light-emitting diode 62 turned on illuminates and displays the dial 2 in FIG. 2, and the characters 21 and the scales 22 are lit and displayed in white with the black background layer 24 as the background.

  As described above, since the standing wall portion 3 is formed at approximately 90 degrees with respect to the flat portion of the dial 2, the standing wall portion 3 is hardly visually observed as shown in FIG. Further, the translucency of the semi-transparent layer 31 is adjusted so that the semi-transparent layer 31 is visually observed in a metallic state that is the display color of the semi-transparent layer 31 when the light emitting diode 63 is extinguished. . For this reason, the symbol 33 is not reflected by the half mirror layer 41 of the decorating unit 4 and viewed.

  In the decorating unit 4, the translucency of the half mirror layer 41 is adjusted so that the half mirror layer 41 is viewed in a mirror state when the light emitting diode 64 is extinguished. For this reason, the decoration part 4 is visually observed in the mirror state different from the black of the background layer 24 in FIG. 1 and FIG. Thereby, the decoration part 4 can exhibit a decoration function effectively.

  On the other hand, the control device 9 turns on the corresponding light emitting diodes 63 and 64 when notifying the operating state of the equipment provided in the vehicle or notifying the abnormality content related to the vehicle. The translucency of the semi-transparent layer 31 is adjusted so that the light from the light emitting diode 63 that has passed through the standing wall 3 is reflected by the decorating unit 4 and viewed as a virtual image 33 a of the symbol 33. For this reason, the red light of the light-emitting diode 63 turned on passes through the first light-transmissive portion 30 and the semi-light-transmissive layer 31 according to the optical path P1 in FIG. Reflected by the layer 41 toward the viewing side. As a result, the virtual image 33 a of the symbol 33 that is lit and displayed in red is visually observed in the mirror-like decoration unit 4.

  As shown in FIG. 3B, the first inclination angle A1 of the symbol 33 with respect to the flat portion of the dial 2 is set to approximately 90 degrees, and the second virtual image 33a of the symbol 33 with respect to the flat portion of the dial 2 is set. The inclination angle A2 is set to approximately 0 degrees. Thereby, the symbol 33 can be formed in a space substantially equal to zero with respect to the space required for the virtual image 33a of the symbol 33 to be viewed as viewed from the viewing side.

  Moreover, since it is comprised so that the virtual image 33a of the symbol 33 may be visually recognized within the decorating part 4, it can be made to visually recognize using the space of the decorating part 4 by making the symbol 33 into the virtual image 33a.

  The translucency of the half mirror layer 41 is adjusted so that the light from the light emitting diode 64 that has passed through the decoration portion 4 is viewed as a real image of the symbol 43. For this reason, the red light of the light-emitting diode 64 turned on passes through the second light-transmissive portion 40 and the half mirror layer 41 along the optical path P2 in FIG. It is visually observed in the mirror-like decoration part 4.

  Thereby, the symbols 33 and 43 representing the indicator / warning can be displayed on the decorating unit 4, and the decorating function as the decorating unit 4 is not impaired in the state where the symbols 33 and 43 are not displayed. Can be.

  In addition, when the virtual image 33a of the symbol 33 and the real image of the symbol 43 overlap and are visually observed in the decorating unit 4, the control device 9 controls the turning on and off of the light emitting diodes 63 and 64 corresponding thereto. , Alternately with each other. Thereby, since the virtual image 33a of the symbol 33 and the real image of the symbol 43 blink alternately with each other in red, both can be visually observed.

  In the above example, the first inclination angle A1 is set to approximately 90 degrees and the second inclination angle A2 is set to approximately 0 degrees. However, the present invention is not limited to this. As long as the first inclination angle A1 is set to be larger than the second inclination angle A2, the symbol 33 is formed in a smaller space as compared with the space required by the virtual image 33a of the symbol 33 to be viewed as viewed from the viewing side. be able to. Thereby, the combination meter 1 which can form the symbol 33 in a smaller space can be provided.

(Modification)
FIG. 5 is a front view showing a first modification of FIG.

  6 is a cross-sectional view taken along line VI-VI in FIG.

  FIG. 7 is an enlarged cross-sectional view of a portion VII in FIG.

  FIG. 8A is an enlarged cross-sectional view of the VIIIA portion in FIG. 5, and FIG. 8B illustrates the light emission display of the decorating portion 4 which is the reflecting member shown in FIG. 5 and FIG. 8A. It is a schematic diagram to do.

  In the first modification, as shown in FIG. 5, the standing wall portion 3 and the decorating portion 4 are formed in a ring shape lacking one portion, that is, in a ring shape but not formed on the entire circumference. Moreover, the 2nd translucent part 40 of the decoration part 4 is formed separately from the translucent resin substrate 20 of the dial 2, as shown in FIG. 6 and FIG. As shown in FIG. 7, the decorative portion 4 includes a second light-transmissive portion 40 and a half mirror layer 41, and the second opening 43 formed as a symbol 43 is provided in the background layer 24 of the dial 2. It is done.

  As shown in FIG. 8, a light emitting diode 65 that is a third light source that makes light incident on the second light transmissive portion 40 is provided, and the decoration portion 4 is formed from the light emitting diode 65 incident on the second light transmissive portion 40. Is reflected to the viewing side (upper side in FIG. 8A) through the half mirror layer 41. Specifically, the second light transmissive portion 40 includes a light guide portion 44 that allows light from the light emitting diode 65 to enter and a reflective surface 45. The light of the light emitting diode 65 that is turned on is shown in FIG. The light is guided into the second light transmissive portion 40 according to the optical path P3 shown, and reflected to the viewing side through the half mirror layer 41.

  The light emitting diodes 65 are arranged on both the left and right sides so that the light from the light emitting diodes 65 is incident on the second translucent portion 40 along the optical path P3 from both the left and right sides in FIG. 8B. In addition, for example, a light emitting diode 65 that emits green light, a light emitting diode 65 that emits red light, and a light emitting diode 65 that emits blue light are arranged on the left and right sides, respectively.

  As a result, the decoration unit 4 emits green light by turning on the light emitting diode 65 that emits green light, emits light in red by turning on the light emitting diode 65 that emits red light, and emits blue light. By turning on the light emitting diode 65 that emits light, light is displayed in blue.

  The light-emitting diodes 63 and 64 corresponding to the symbols 33 and 43 are, for example, light-emitting diodes 63 and 64 that emit green light, light-emitting diodes 63 and 64 that emit red light, and light-emitting diodes 63 and 64 that emit blue light, respectively. And

  For example, in FIG. 7, when the light-emitting diode 63 corresponding to the predetermined symbol 33 is a light-emitting diode that emits green light, the green light of the light-emitting diode 63 turned on is viewed on the viewing side (see FIG. 7). 7 to the upper side). As a result, the virtual image 33a of the symbol 33 that is lit and displayed in green is viewed.

  For example, when the light-emitting diode 64 corresponding to the predetermined symbol 43 is a light-emitting diode that emits blue light, the blue light emitted from the light-emitting diode 64 is transmitted to the viewing side according to the optical path P2 shown in FIG. As a result, the real image of the symbol 43 that is lit and displayed in blue is viewed.

  The control device 9 is configured to turn off the light emitting diode 65 when all the light emitting diodes 63 and 64 are turned off, and turn on the light emitting diode 65 when any one of the light emitting diodes 63 and 64 is turned on. And the hue of the light emitting display of the decorating unit 4 is configured to be the same as the hue of the virtual image 33a of the symbol 33 or the real image of the symbol 43 to be displayed.

  For example, when the light emitting diode 63 that emits green light is turned on and the virtual image 33a of the symbol 33 corresponding thereto is viewed in green, the light emitting diode 65 that emits green light is turned on and the decorating unit 4 emits light in green. Display. Further, when the light emitting diode 63 that emits blue light is turned on and the virtual image 33a of the symbol 33 corresponding thereto is viewed in blue, the light emitting diode 65 that emits blue light is turned on and the decorating unit 4 emits light in blue. Display. Further, when the light emitting diode 63 that emits red light is turned on and the virtual image 33a of the symbol 33 corresponding thereto is viewed in red, the light emitting diode 65 that emits red light is turned on to emit the decoration portion 4 in red. Display.

  On the other hand, when the light emitting diode 64 that emits blue light is turned on and the real image of the symbol 43 corresponding thereto is viewed in blue, the light emitting diode 65 that emits blue light is turned on and the decoration portion 4 is displayed in blue. Let Further, when the light emitting diode 64 that emits red light is turned on and the real image of the symbol 43 corresponding thereto is viewed in red, the light emitting diode 65 that emits red light is turned on to display the decoration portion 4 in red. Let

  Thereby, since the decoration part 4 is light-emitted and displayed with the same hue as the symbol 33 and 43 showing an indicator / warning, it can make it easier to recognize that the symbol 33 and 43 is displayed. Moreover, the decoration function by the light emission display of the decoration part 4 can be added with respect to the decoration part 4. FIG.

  In the above-described example, the hue of the light emitting display of the decorating unit 4 is configured to be the same as the hue of the virtual image 33a of the symbol 33 and the real image of the symbol 43 displayed by light emission. However, the present invention is not limited to this. As long as the color tone (hue, lightness, and saturation) of the decorative display 4 is configured to be at least similar to the color tone of the virtual image 33a of the symbol 33 and the real image of the symbol 43, the same as the above effect. The effect of can be obtained.

  Further, the control device 9 is configured to turn on the light emitting diode 65 when all the light emitting diodes 63 and 64 are turned off, and the light emitting diode 65 is turned off when any one of the light emitting diodes 63 and 64 is turned on. It is also possible to configure so as to.

  Thereby, the case where the virtual image 33a of the symbol 33 and the real image of the symbol 43 are visually observed can be more clearly distinguished from the case where the decoration is performed by the light emission display of the decoration unit 4. This makes it easier to recognize that the symbols 33 and 43 are displayed in addition to the effects described above.

  In this case, the light emitting diode 65 does not need to be configured by, for example, a light emitting diode that emits green light, a light emitting diode that emits red light, a light emitting diode that emits blue light, or the like. Can be configured.

  FIG. 9 is a front view showing a second modification of FIG.

  10 is a cross-sectional view taken along line XX in FIG.

  In the second modified example, as shown in FIG. 9, the reflecting portion 4 </ b> A that is a reflecting member is provided inside the dial 21 and the scale 22 instead of the decorating portion 4.

  As shown in FIG. 10, the reflection portion 4 </ b> A includes a second light-transmissive portion 40, a half mirror layer 41, and a black second light-impermeable layer 42 having a second opening 43 as a symbol 43. The standing wall portion 3 is formed in a linear shape extending in the left-right direction below the reflecting portion 4A in FIG. As shown in FIG. 10, the standing wall 3 includes a first light transmissive portion 30, a black first light transmissive layer 32 having a first opening 33 as a symbol 33, and a semi-light transmissive layer 31. Prepare.

  The light emitted from the light-emitting diode 63 is reflected toward the viewing side (upper side in FIG. 10) of the half mirror layer 41 along the optical path P1, and thereby the virtual image 33a of the symbol 33 is viewed. The light emitted from the light emitting diode 64 is transmitted to the viewing side according to the optical path P2, whereby the real image of the symbol 43 is viewed.

  Thereby, the symbol 33 can be formed in a space substantially equal to zero with respect to the space required for the virtual image 33a of the symbol 33 to be viewed as viewed from the viewing side. Further, the virtual image 33a of the symbol 33 can be visually observed by effectively using unused space inside the character 21 and the scale 22 on the dial.

  The space for viewing the virtual image 33a of the symbol 33 is not limited to the above-described example.

  The combination meter 1 which is a display device according to the present invention described above includes a dial 2 which is a display plate, and a standing wall portion 3 which is a translucent display member on which a symbol 33 which is a first display design portion is formed. Then, the light emitting diode 63 which is the first light source that transmits and illuminates the standing wall 3 and the light from the light emitting diode 63 that illuminates and transmits the standing wall 3 are reflected to the viewing side so that the symbol 33 is viewed as a virtual image 33a. The decoration part 4 which is a reflecting member is provided, and the first inclination angle A1 of the symbol 33 with respect to the dial 2 is set larger than the second inclination angle A2 of the virtual image 33a of the symbol 33 with respect to the dial 2.

  Thereby, the display apparatus which can form a 1st display design part in a smaller space as a display design part can be provided.

  The first display design portion need not be limited to the symbol 33 representing each indicator / warning, and the second display design portion need not be limited to the symbol 43 representing each indicator / warning.

  Further, the present invention is not limited to the above-described examples, and combinations thereof and other various modifications are conceivable.

FIG. 1 is a front view of a combination meter 1 which is a display device according to an embodiment of the present invention. 2 is a cross-sectional view taken along line II-II in FIG. 3A is an enlarged cross-sectional view of the IIIA portion in FIG. 2, and FIG. 3B is a schematic diagram for explaining the arrangement of the symbols 33 that are the first display design portions shown in FIG. 3A. It is. FIG. 4 is a circuit configuration diagram illustrating an electrical circuit configuration of the combination meter 1 according to one embodiment of the present invention. FIG. 5 is a front view showing a first modification of FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. FIG. 7 is an enlarged cross-sectional view of a portion VII in FIG. FIG. 8A is an enlarged cross-sectional view of the VIIIA portion in FIG. 5, and FIG. 8B illustrates the light emission display of the decorating portion 4 which is the reflecting member shown in FIG. 5 and FIG. 8A. It is a schematic diagram to do. FIG. 9 is a front view showing a second modification of FIG. 10 is a cross-sectional view taken along line XX in FIG.

Explanation of symbols

1 Combination meter (display device)
2 Dial (display board), 20 Translucent resin substrate, 21 letters (index)
22 scale (index), 23 background layer, 24 index layer, 25, 26 through-hole 3 standing wall (display member), 30 first light-transmitting portion, 31 semi-light-transmitting layer 32 first light-impermeable layer, 33 Symbol (1st display design part, 1st opening part), 33a Virtual image 4 Decoration part (reflection member), 4A Reflection part (reflection member), 40 2nd translucent part 41 Half mirror layer, 42 2nd imperviousness Light layer,
43 Symbol (2nd display design part, 2nd opening part), 44 Light guide part, 45 Reflecting surface 5 Pointer, 51 Movement, 52 Shaft, 61, 62 Light emitting diode 63 Light emitting diode (1st light source), 64 Light emitting diode ( Second light source)
65 Light-emitting diode (third light source), 7 Case, 8 Printed circuit board 9 Control device (control means), 10 Vehicle speed sensor, 11 Ignition switch 12 Battery, A1 First tilt angle, A2 Second tilt angle

Claims (16)

A display plate having a flat portion and a portion protruding to the viewing side from the flat portion, and an indicator composed of characters and scales is formed on the protruding portion;
A first display design portion that is disposed on the outer peripheral side of the protruding portion so as to protrude toward the viewing side with respect to the flat portion and has a light-transmitting property and capable of transmitting light is formed on the outer peripheral side. A display member,
A first light source disposed behind the display plate and transmissively illuminating the display member;
The display plate is disposed on the outer peripheral side of the display member so as to protrude from the flat portion of the display plate, reflects light from the display member to the viewing side, and visually observes light from the back side. A reflective member that is transmitted to the side, and a second display design portion that can transmit light incident from the back side is formed on the back surface; and
A second light source disposed behind the reflecting member and transmitting and illuminating the second display design portion of the reflecting member;
When the first light source is turned on and the light from the first light source that has transmitted and illuminated the first display design portion is reflected by the reflecting member, the first display design portion is visually observed as a virtual image, The second light source is turned on, and the light from the second light source that has transmitted and illuminated the second display design portion is transmitted through the reflecting member, thereby allowing the second display design portion to be viewed as a real image, A first inclination angle of the first display design portion with respect to the display plate is set to be larger than a second inclination angle of the virtual image of the first display design portion with respect to the display plate ;
The reflecting member is formed on the entire viewing side of the second light transmitting part and the half of the second light transmitting part and reflects the light from the first light source that has transmitted and illuminated the display member to the viewing side. A mirror layer, and a second opaque layer formed on the back surface of the first transparent portion and having a second opening as the second display design portion,
The translucency of the half mirror layer is adjusted such that light from the second light source that has passed through the reflecting member is viewed as a real image of the second display design portion, and the half mirror layer is It is adjusted so that it can be seen in the mirror state when the two light sources are turned off.
The display member includes a first translucent portion, and a first non-transparent layer formed on the reflective member side front surface of the first translucent portion and having a first opening as the first display design portion. A semi-transparent layer formed on the upper surface of the first opaque layer,
The translucency of the semi-transparent layer is adjusted such that light from the first light source that has passed through the display member is reflected by the reflecting member and viewed as the virtual image of the first display design portion, The display device is characterized in that the semi-transparent layer is adjusted so as to be visually observed in a display color state of the semi-transparent layer when the first light source is extinguished . The first inclination angle is set to approximately 90 degrees;
The display device according to claim 1, wherein the second tilt angle is set to approximately 0 degrees. By rotating along the front side of the display plate on the viewing side, a pointer indicating the index is provided,
The display device according to claim 1, wherein the reflection member is configured as at least a part of a decoration portion that forms an outer frame of the index.   4. The display device according to claim 1, wherein at least one of the display member and the reflection member is formed integrally with the display plate. 5. A third light source for incident light before Symbol second translucent portion,
The reflecting member is formed so as to reflect light from the third light source incident on the second translucent part to the viewing side through the half mirror layer,
The translucency of the half mirror layer is adjusted so that light from the third light source reflected to the viewing side through the half mirror layer is viewed as a light emitting display of the reflecting member, and the half mirror layer 5. The display device according to claim 1, wherein the display device is adjusted so as to be viewed in a mirror state when the third light source is turned off. Control means for controlling turning on and off of the first light source and the third light source;
The control means is configured to turn off the third light source when the first light source is turned on, and is configured to turn on the third light source when the first light source is turned off. The display device according to claim 5. Control means for controlling turning on and off of the first light source and the third light source;
The control means is configured to turn on the third light source when the first light source is turned on, and is configured to turn off the third light source when the first light source is turned off.
The display device according to claim 5, wherein a color tone of the light emitting display from the reflective member is configured to be at least similar to a color tone of the virtual image of the first display design portion. By alternately controlling the turning on and off of the first light source and the second light source, the virtual image of the first display design portion and the real image of the second display design portion that are viewed in an overlapping manner are obtained. The display device according to any one of claims 1 to 7, further comprising a control unit that blinks each other and visually makes them visible . A third light source for allowing light to enter the second light-transmissive portion;
The reflecting member is formed so as to reflect light from the third light source incident on the second translucent part to the viewing side through the half mirror layer,
The translucency of the half mirror layer is adjusted so that light from the third light source reflected to the viewing side through the half mirror layer is viewed as a light emitting display of the reflecting member, and the reflecting member is The transmitted light from the second light source is adjusted so as to be viewed as a real image of the second display design portion, and the half mirror layer is in a mirror state when the second light source and the third light source are extinguished. The display device according to any one of claims 1 to 4, wherein the display device is adjusted so as to be visually observed . Control means for controlling on / off of the first light source, the second light source, and the third light source;
The control means is configured to turn off the third light source when one of the first light source and the second light source is turned on, and the first light source and the second light source. The display device according to claim 9 , wherein the display device is configured to turn on the third light source when both are turned off . Control means for controlling on / off of the first light source, the second light source, and the third light source;
The control means is configured to turn on the third light source when any one of the first light source and the second light source is turned on, and the first light source and the second light source. Configured to turn off the third light source when both are turned off;
The color tone of the light emitting display from the reflective member is configured to be at least similar to the color tone of any one of the virtual image of the first display design portion and the real image of the second display design portion. The display device according to claim 9 . The first display design section includes at least one of a symbol representing an indicator for notifying an operating state of a device provided in the host vehicle on which the display device is arranged and a symbol representing a warning for warning an abnormality of the host vehicle. The display device according to claim 1 , wherein the display device is a display device. The second display design section includes at least one of a symbol representing an indicator for notifying an operating state of a device provided in the host vehicle on which the display device is arranged and a symbol representing a warning for warning an abnormality of the host vehicle. The display device according to claim 1, wherein the display device is a display device. The first opening is formed in the first light-impermeable layer by irradiating the first light-impermeable layer formed in the first light-transmissive portion with a laser beam. display device according to any one of claims 1 to 13. The first non-translucent layer, the semi-translucent layer, and the display member in which the first opening is formed are formed of translucent heat in which the first non-translucent layer and the semi-translucent layer are formed. The display device according to claim 1, wherein the display device is formed by resin molding in a state where a plastic resin film is inserted into a mold . The first light-impermeable layer in which the first opening is formed has a structure in which a rubber-like pad is pressed against the first light-transmissive portion and ink transferred to the pad is transferred to the first light-transmissive portion. display device according to any one of claims 15 to claim 1, characterized in that it is formed by transferring the.

Images