JP2006003341A - Display - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display capable of obtaining novel appearance even when a light source is turned off. <P>SOLUTION: In this so-called black face meter provided with a speed meter A and a tachometer B which are a plurality of pointer instruments, and covering a front face side of the speed meter A and the tachometer B with a low light transmittance smoked sheet 9, a smoked sheet 10 having a higher smoked degree of light transmittance than that of the smoked sheet 9 is arranged in a front face side of the smoked sheet 9, a facing sheet 8 arranged between the the smoked sheet 9 and the smoked sheet 10 is arranged with ring parts 81 concentric with shafts of the respective pointer instruments A, B, in outer circumferences of the both pointer instruments A, B. The display capable of obtaining the novel appearance is provided while making a user recognize the existence of the speed meter A and the tachometer B which are important instruments for a combination meter 1, even when an ignition switch 16 is under an OFF-condition, by this manner. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a display device, and is suitable for application to a vehicle display device mounted on, for example, an automobile.

  A conventional display device, for example, a vehicle display device mounted in an automobile or the like, includes a display unit for emitting and displaying the speed of the automobile, the engine speed, various warning lights, and the like with a light source, and covers the display unit. There is one in which a smoke front glass is arranged so as to face the driver.

  In such a vehicular display device structure, when the light source is in a non-lighting state, for example, when the ignition switch is in an OFF state, the smoke front glass is in a jet black state. The display unit is in a state where nothing can be seen. And when the ignition switch is switched to the ON state and the light source is turned on, in the jet black smoked front glass, numbers, letters, as a display unit representing the speed of the automobile, the engine speed, various warning lights, etc. Symbols, pictograms, etc. are lit or flashing.

  However, in such a vehicle display device structure, since the entire area of the smoked front glass facing the driver appears to be uniform jet black, the driver does not normally display when the ignition switch is on, for example, direction The location where various warning lights including instructions, high beams, fog lights, and fuel warning lights are displayed cannot be grasped. Therefore, this meter structure 201 has a disadvantage that the driver is burdened during traveling because the driver needs to watch the entire display surface.

  That is, in the conventional vehicle display device structure, it is necessary for the driver to pay attention to the entire area of the smoked surface glass during traveling, or the driver must empirically store the location where all displays are displayed. was there.

  As a display device aiming at solving this problem, for example, a meter structure including a plurality of display units that emit light is displayed, and includes a planar first see-through unit that covers the display unit, and a first see-through unit A planar second see-through portion disposed on the front surface side; and a frame body disposed between the first see-through portion and the second see-through portion. There is one characterized in that it is lower than the transmissivity of the see-through part (see Patent Document 1).

In the meter structure configured in this way, the frame can be clearly seen through the second fluoroscopic part both when the light source is lit and when it is not lit, so the driver knows in advance where the various warning lights are placed. It is possible to quickly confirm the lighting of various warning lights. On the other hand, when the light source is not turned on, the appearances of various display units in the back of the first fluoroscopic part are in a jet black state, and a novel appearance as a so-called black face meter can be secured.
JP 2002-192984 A

  However, in the so-called black face meter, when the light source is not turned on, that is, when the ignition switch is in the OFF state, the entire area of the display device is jet black when viewed from the driver, so that the appearance is monotonous and lacks in interest. There's a problem.

  In the display device described in Patent Document 1 described above, the frame can be clearly seen through the second fluoroscopic part even when the light source is not turned on, that is, when the ignition switch is OFF. This makes it possible for the user to grasp in advance the location where various warning lights, etc., that is, various warning lights that are rarely lit at normal times, improve the appearance of the display device, that is, make the appearance of the display device more innovative It is not configured to make things more interesting.

  The present invention has been made in view of such problems, and an object of the present invention is to provide a display device that can provide a novel appearance even when the light source is not lit.

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

  A display device according to claim 1 of the present invention includes a plurality of pointer instruments each including a dial provided with a scale and an indicator such as a character, and a pointer that rotates along the surface of the dial; A display device comprising: a first see-through plate covering the front side of the instrument; a second see-through plate installed on the front side of the first see-through plate; and a decorative member installed between the first see-through plate and the second see-through plate. The decorative member includes a ring portion that is concentric with the rotation axis of the pointer and disposed on the outer periphery of the pointer instrument, and has a configuration in which the light transmittance of the second see-through plate is higher than the light transmittance of the first see-through plate. Yes.

  In this case, when the light source is not turned on, that is, when the ignition switch is in the OFF state, the display device is in a jet black state without seeing the pointers and indicators (scales and letters) of each pointer instrument when viewed from the driver. The ring portion arranged on the outer periphery of each pointer instrument is visually recognized through the second see-through plate.

  That is, among the various display units included in the display device, the presence of the main display unit, that is, the display unit that the driver needs to watch almost constantly during the operation of the display device, in other words, the display is not displayed. Since the viewer can recognize the device even when the device is not in operation, the appearance of the display device can be made novel and interesting.

  In addition, when the light source is turned on, that is, while the display device is in operation, the conventional black face meter emits and displays only the pointers and indicators (scales, letters, etc.) on the jet black background. Was sparse.

  On the other hand, in the display device according to claim 1 of the present invention, the outer peripheral portion of the pointer instrument is clearly visible through the second perspective plate in a ring-like background in a jet black background. As a result, during operation of the display device, a driver can clearly recognize the presence of each pointer instrument and can quickly read important information while realizing a display device that can provide a novel appearance. be able to.

  In the display device according to claim 2 of the present invention, the first see-through plate is individually provided for each pointer instrument, and the ring portion of the decorative member holds the outer peripheral portion of the first see-through plate.

  According to this configuration, the size of the first see-through plate can be set to the minimum necessary level, that is, the size of the dial of the pointer instrument desired to be in the black face state.

  In the display device according to claim 3 of the present invention, the decorative member includes a bridge portion formed so as to connect the ring portion between the ring portions.

  By adopting such a configuration, a plurality of ring portions are visually recognized as being connected via a bridge portion, so that a plurality of ring portions, that is, a plurality of pointer instruments corresponding to them are integrally fused. It can look like it is. Therefore, a display device with a novel appearance can be provided.

  In the display device according to claim 4 of the present invention, at least the ring portion of the decorative member has a metallic gloss surface.

  The ring portion of the decorative member is visually recognized by the driver through the second see-through plate. By forming a metal-like glossy surface, for example, a chrome-plated surface or a hairline-like aluminum surface on this ring portion, a jet black background You can show the ring part more prominently inside. Therefore, a display device with a novel appearance can be provided.

  According to a fifth aspect of the present invention, there is provided a display device comprising a plurality of pointer instruments each comprising a dial provided with a scale and an indicator such as letters, and a pointer that rotates along the surface of the dial; A first see-through plate that covers the front side of the instrument, a second see-through plate installed on the front side of the first see-through plate, and a pointer instrument that is concentric with the rotation axis of the pointer on the first see-through plate side of the second see-through plate The ring member is provided with a light emitting portion that emits and displays light, and the light transmittance of the second see-through plate is higher than the light transmittance of the first see-through plate. .

  In this case, when the light source is not turned on, that is, when the ignition switch is in the OFF state, the display device is in a jet black state without seeing the pointers and indicators (scales and letters) of each pointer instrument when viewed from the driver. The ring member disposed on the outer periphery of each pointer instrument is visually recognized through the second see-through plate.

  Thereby, it is possible to make the appearance of the black face meter in the OFF state of the ignition switch, which has been monochromatic and lacking in interest, black and white in the past, to be novel and interesting.

  Furthermore, since the ring member includes a light emitting portion that emits and displays light, the appearance during operation of the display device can be effectively made novel and interesting.

  The display device according to claim 6 of the present invention is characterized in that the light emitting portion of the ring member is a part of the indicator of the pointer meter.

  In this case, if the light emitting part of the ring member is formed, for example, on an extension line of a scale that is an indicator of a pointer instrument formed on the dial, the light emitting part of the ring member cooperates with the scale on the dial. It functions as one scale. That is, the ring member does not merely serve as an accent, but the pointer instrument also functions as a part of the dial.

  Thereby, the display design of the pointer instrument can be made more innovative and interesting.

  The display device according to claim 7 of the present invention is characterized in that the first see-through plate is individually provided for each pointer instrument, and the ring member holds the outer peripheral portion of the first see-through plate.

  According to this configuration, the size of the first see-through plate can be set to the minimum necessary level, that is, the size of the dial of the pointer instrument desired to be in the black face state.

  The display device according to claim 8 of the present invention is characterized in that a bridge portion formed so as to connect both ring members between adjacent ring members is formed.

  By adopting such a configuration, a plurality of ring members are visually recognized as being connected via a bridge portion, and therefore a plurality of ring members, that is, a plurality of pointer instruments corresponding to them are integrally fused. It can look like it is. Therefore, a display device with a novel appearance can be provided.

  The display device according to claim 9 of the present invention is characterized in that the ring member has a metallic gloss surface.

  The ring member is visually recognized by the driver through the second see-through plate. By forming a metal-like glossy surface, such as a chrome-plated surface or a hairline-like aluminum surface, on the ring member, The part can be shown more prominently. Therefore, a display device with a novel appearance can be provided.

  The display device according to claim 10 of the present invention has a configuration in which a non-reflective treatment is applied to the surface on the viewer side of the first see-through plate.

  When the display device is irradiated with extraneous light, for example, sunlight, the extraneous light passes through the second see-through plate and enters the surface of the first see-through plate. Then, the reflected light reflected on the surface of the first see-through plate passes through the second see-through plate again and is emitted outside the display device.

  In general, the transparent cover disposed on the front side of the display device is installed at an angle such that the traveling direction of the reflected light reflected by the extraneous light always deviates from the direction toward the viewer's eyes. In the display device according to claim 5 of the present invention, the second see-through plate disposed on the outermost side can be installed at the above-described angle. However, in order to exhibit the function, that is, to effectively obtain the appearance as a black face meter, the first see-through plate needs to be arranged facing the viewer. For this reason, depending on the incident angle of the extraneous light, the reflected light from the first see-through plate may enter the eyes of the viewer. If it does so, the indicator instrument light-emitted and displayed behind the 1st fluoroscope will become difficult to see, and the visibility of a display device will fall, and extraneous light will reflect on the surface of the 1st fluoroscope, There may be a problem that the surface is clearly visible and the appearance of the black face meter is degraded.

  Therefore, in the display device according to claim 10 of the present invention, the amount of reflected light from the first see-through plate is reduced by applying a non-reflective treatment to the surface of the first see-through plate on the viewer side. It is possible to reliably prevent the occurrence of problems.

As a specific means for performing the antireflection treatment, for example, an AR layer is formed. The AR layer is formed by coating a plurality of transparent thin films of inorganic dielectrics (for example, SiO ₂ , TiO ₂ , MgF _2, etc.) having different refractive indexes.

  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.

(First embodiment)
FIG. 1 is a front view of a combination meter 1 according to a first embodiment of the present invention. In FIG. 1, the upper side is the upper side of the automobile, and the left-right direction is the width direction of the automobile.

  FIG. 2 is a sectional view of the combination meter 1 according to the first embodiment of the present invention, and is a sectional view taken along line II-II in FIG. In FIG. 2, the left side is a driver's seat, and the combination meter 1 is visually recognized from the left side in FIG.

  FIG. 3 is an enlarged view of a section taken along line III-III in FIG.

  FIG. 4 is a schematic diagram for explaining an electric circuit configuration of the combination meter 1 according to the first embodiment of the present invention.

  FIG. 5 is a front view for explaining a visual recognition state when the light-emitting diodes 4 and 6 of the combination meter 1 according to the first embodiment of the present invention are turned off.

  The combination meter 1 is provided so as to be visible to the driver in front of the driver's seat in the passenger compartment of the automobile, and displays the operating state (traveling speed, engine speed, etc.) and various information of the automobile.

  As shown in FIG. 1, the combination meter 1 includes two pointer meters, that is, a speedometer A that indicates the traveling speed of the automobile and a tachometer B that indicates the rotational speed of an engine mounted on the automobile. . The configuration of the speedometer A and the configuration of the tachometer B are the same except for the index (scale or number) of the dial 2. Therefore, the configuration of the speedometer A will be described as an example.

  As shown in FIG. 1, the dial 2 has a scale 21, numerals 22, and 22 on a viewer-side surface 20 a of a display substrate 20 made of a translucent material such as colorless and transparent polycarbonate resin or acrylic resin. The character 23 is provided with hot stamping or printing. That is, the scale 21, the numbers 22, and the characters 23 are colored translucent white, and the background portion excluding the scales 21, the numbers 22, and the characters 23 is matte black. Thereby, when the dial 2 is irradiated with light from a light emitting diode 4 (described later) disposed behind the dial 2, the irradiated light passes through only the scale 21, the number 22, and the character 23, and the background thereof. The part is not transparent. Therefore, only the scale 21, the number 22, and the characters 23 are lit and displayed in white. Further, as shown in FIG. 1, the scale 21 is disposed radially on a shaft 51 which is a rotation axis of a pointer 3 which will be described later, and on an arc concentric with the shaft 51. The numeral 22 is also arranged on an arc concentric with the shaft 51. In addition, the scale 21, the number 22, and the character 23 are for instruct | indicating the driving speed of the said vehicle with the pointer | guide 3 mentioned later.

  Further, as shown in FIG. 2, the dial 2 includes a through hole 20b through which a shaft 51 of a movement 5 described later is inserted into the front side (left side in FIG. 2) of the dial 2.

  Further, as shown in FIG. 2, a light guide plate 11 is laminated on the back side of the dial 2 (right side in FIG. 2). The light guide plate 11 is made of a translucent material such as a colorless and transparent polycarbonate resin or acrylic resin. The light guide plate 11 guides light emitted from the light-emitting diodes 4 described later to the scale 21, the numbers 22, and the characters 23 of the dial 2 and transmits them with uniform illumination.

  The dial 2 may be provided individually for each of the speedometer A and the tachometer B, or the speedometer A and the tachometer B may share one dial 2.

  The pointer 3 is made of a translucent material such as a colorless and transparent polycarbonate resin or acrylic resin. As shown in FIG. 2, the pointer 3 is fixed to a shaft 51 of a movement 5 described later disposed on the back side (right side in FIG. 2) of the dial 2. Thereby, when the movement 5 is driven and the shaft 51 rotates, the pointer 3 also rotates integrally with the shaft 51. Further, the lower surface 31 of the pointer 3 is colored with a light-impermeable red color. Thereby, when the pointer 3 is illuminated by light from a light emitting diode 6 (described later) arranged on the back side (right side in FIG. 2) of the dial 2, it is displayed in red.

  Further, as shown in FIG. 2, a light shielding cap 15 is attached to the pointer 3. The light shielding cap 15 is formed in a substantially cylindrical shape from a light-impermeable material, such as a metal or a black resin material, and the diameter thereof is set to be larger than the diameter of the through hole 20 b of the dial 2. Therefore, the light from the light-emitting diode 6 passes through the through-hole 20b and directly enters the viewer's eyes by the light-shielding cap 15, or directly enters the viewer's eyes without being reflected by the lower surface 31 of the pointer 3. Thus, the viewer is surely prevented from being dazzled.

  For example, a cross coil actuator or a stepping motor is used as the movement 5 that is a power source for rotating the pointer 3. The movement 5 generates torque when a voltage is applied from the outside, and rotates the shaft 51. As a result, the pointer 3 fixed to the tip of the shaft rotates along the surface of the dial 2.

  The movement 5 is mounted on a printed circuit board 7 arranged on the back side (right side in FIG. 2) of the dial 2. The printed circuit board 7 is formed of, for example, a glass epoxy board or the like, and forms an electric circuit portion of the combination meter 1.

  As shown in FIG. 2, the printed circuit board 7 is mounted with a light emitting diode 4 for transmitting and illuminating the dial 21, the numbers 22, and the characters 23 by transmitting and illuminating the dial 2.

  Further, as shown in FIG. 2, a light emitting diode 6 for emitting and displaying the pointer 3 is mounted on the printed circuit board 7. The light emitted from the light emitting diode 6 is guided to the pointer 3 by the light guide 12 as shown in FIG. The light guide 12 is made of a translucent material such as a colorless and transparent polycarbonate resin or acrylic resin.

  The printed circuit board 7 is mounted with a controller 13 for controlling the turning on / off of the light emitting diode 4 and the light emitting diode 6 and driving the movement 5 so that the shaft 51 is rotated by a predetermined angle.

  The controller 13 is composed of, for example, a microcomputer, and controls the turning on / off of the light emitting diode 4 and the light emitting diode 6 and also controls the driving of the movement 5.

  The printed circuit board 7 may be provided separately for each of the speedometer A and the tachometer B, and these may be electrically connected by a flexible printed circuit board or the like. The printed circuit board 7 may be shared.

  On the viewer side of the dial 2 (left side in FIG. 2), as shown in FIG. 2, a facing plate 8 as a decorative member is arranged. The facing plate 8 is made of, for example, a resin material and is colored black or matte black. Moreover, the facing plate 8 is integrally provided with a ring portion 81 disposed on the outer periphery of the speedometer A as shown in FIG. The ring portion 81 is substantially coaxial with the speedometer A, in other words, is formed in a substantially cylindrical shape substantially coaxial with the shaft 51 of the movement 5. Moreover, as shown in FIG. 2, the smoke board 9 which is a 1st see-through board is arrange | positioned at the edge part of the ring part 81 so that the front side (left side of FIG. 2) of the speedometer A may be covered. . The smoke plate 9 is made of a translucent material such as polycarbonate resin or acrylic resin, and is set to a predetermined light transmittance by coloring, and is held and fixed to the ring portion 81.

  Further, as shown in FIG. 2, a metal cover 83 as a metallic gloss surface is attached to the tip of the ring portion 81. The metal cover 83 is formed into a shape such that a metal, for example, a thin plate of aluminum, stainless steel, or the like is subjected to press working so as to be in close contact with the ring portion 81, and the surface, that is, the left side in FIG. Finished as a glossy surface.

  Up to this point, the configuration of the speedometer A has been described. In the tachometer B, as shown in FIG. 1, a ring portion 81 is provided in the same manner as the speedometer A, and the smoke plate 9 is provided at the end thereof. Holding fixed. A metal cover 83 is attached to the tip of the ring portion 81. In other words, the ring portion 81 of the speedometer A and the ring portion 81 of the tachometer B are integrally formed on one facing plate 8.

  Further, as shown in FIG. 1, the combination meter 1 includes two ring portions 81, that is, two bridge portions 82 formed so as to connect the ring portion 81 of the speedometer A and the ring portion 81 of the tachometer B. Is provided. As shown in FIG. 3, the bridge portion 82 is provided integrally with the facing plate 8. Further, as shown in FIG. 3, a metal cover 83 is attached to the ends of the bridge portions 82 as in the case of the ring portion 81. That is, when the driver looks at the combination meter 1, the metal cover 83 is visually recognized in both the ring portion 81 and the both bridge portions 82.

  Moreover, as shown in FIG. 2, the smoke board 10 which is a 2nd see-through board is arrange | positioned at the front-end | tip of the facing plate 8, ie, the front side (left side of FIG. 2) of each smoke board 9. As shown in FIG. The smoke plate 10 is made of a translucent material such as polycarbonate resin or acrylic resin, and is set to a predetermined light transmittance by coloring, and is fixed to the facing plate 8. The light transmittance of the smoke plate 10 is set higher than the light transmittance of the smoke plate 9.

  In the combination meter 1 according to the first embodiment of the present invention, the smoke plate 9 and the smoke plate 10 are arranged from the speedometer A and the tachometer B side on the front side of the speedometer A and the tachometer B, that is, the viewer side. ing. Accordingly, the viewer sees the speedometer A and the tachometer B through the smoke plate 10 and the smoke plate 9. On the other hand, only the smoke plate 10 is disposed on the front surface side of the ring portion 81 and the bridge portion 82, that is, on the viewer side. Accordingly, the viewer sees the ring portion 81 and the bridge portion 82 through the smoke plate 10.

  In the combination meter 1 according to the first embodiment of the present invention, the light transmittance of the smoke plate 9 is a predetermined light transmittance, that is, the speedometer A is visually recognized when the light emitting diodes 4 and 6 are turned on, in other words, The indicator 3, scale 21, number 22, and character 23 that are lit and displayed are visible, and the speedometer A is not visible when the light-emitting diodes 4 and 6 are turned off, that is, the entire speedometer A looks like a jet black state. Level, that is, low light transmittance is set.

  On the other hand, the light transmittance of the smoke plate 10 is such that the ring portion 81 and the bridge portion 82 are always clearly visible regardless of the lighting state of the light emitting diodes 4 and 6, and the speedometer is used when the light emitting diodes 4 and 6 are turned on. The level is set so that the pointer 3, the scale 21, the number 22, and the letter 23 of A can be clearly seen, that is, a high light transmittance.

  The dial 2, the pointer 3, the movement 5, the printed circuit board 7 and the like, which are the components of the combination meter 1 described above, are accommodated and fixed in a casing 14 formed of, for example, a resin material as shown in FIG. Has been.

  Next, the electric circuit configuration of the combination meter 1 according to the first embodiment of the present invention will be described with reference to FIG.

  As shown in FIG. 4, electric power is constantly supplied from the battery 17 to the controller 13.

  Further, an ignition switch 16 is connected to the controller 13 so as to detect its operation position (ON or OFF).

  Further, as shown in FIG. 4, a speed sensor 18 for detecting the traveling speed of the automobile and a rotation sensor 19 for detecting the rotational speed of the engine mounted on the automobile are connected to the controller 13 so that detection signals can be input. Has been. The speed sensor 18 detects, for example, the rotation speed of the transmission output shaft of the automobile. The rotation sensor 19 detects the number of rotations of the crankshaft or camshaft of the engine, for example.

  Further, as shown in FIG. 5, the light emitting diode 4, the light emitting diode 6, and the movement 5 are connected to the controller 13.

  In the controller 13, each light emitting diode 4, 6 is connected so as to be able to control lighting / extinguishing thereof, and each movement 5 is connected so as to be driven.

  Next, regarding the viewing state of the combination meter 1 according to the first embodiment of the present invention, particularly the effects on the viewing state of the ring portion 81 and the bridge portion 82 that are characteristic of the combination meter 1 according to the first embodiment of the present invention. explain.

  (1) When the ignition switch 16 is OFF.

  In this case, the controller 13 turns off the light emitting diodes 4 and 6. Therefore, the dial 2 of the combination meter 1 is visually recognized as a jet black state. Moreover, parts other than the ring part 81 and the bridge part 82 of the facing plate 8 are also visually recognized in a jet black state.

  On the other hand, the ring cover 81 and the bridge portion 82 of the facing plate 8 have a metal cover 83 that is clearly visible in silver as shown in FIG.

  In the conventional display device, the frame body is visually recognized when the ignition switch is in the OFF state. This frame is intended to allow the driver to grasp in advance the location where various warning lights, etc., that is, various warning lights that are rarely turned on in normal times, and improve the appearance of the display device, It is not configured to make the appearance of the display device more innovative or more interesting.

  On the other hand, in the combination meter 1 according to the first embodiment of the present invention, the outer circumference of the speedometer A and the tachometer B that are pointer instruments is arranged coaxially with the shaft 51 that is the rotation axis of the pointer 3. Both ring parts 81 are visually recognized in silver.

  As a result, the presence of the speedometer A and the tachometer B as the main instrument of the combination meter 1, that is, the instrument that the driver needs to watch almost constantly during the operation of the automobile, the ignition switch 16 is in the OFF state. Sometimes the viewer can recognize it, and the appearance of the combination meter 1 can be made novel and interesting. Further, the bridge unit 82 can emphasize the close relationship between the two pointer instruments, that is, the speedometer A and the tachometer B, and make the appearance of the combination meter 1 interesting.

  (2) When the ignition switch 16 is ON.

  When the ignition switch 16 is operated to the ON side by the driver, the controller 13 turns on the light emitting diodes 4 and 6. At the same time, the controller 13 calculates the traveling speed and the rotational speed based on the detection signals from the speed sensor 18 and the rotation sensor 19, The movement 5 is driven.

  As a result, in addition to the appearance when the ignition switch 16 in (1) is OFF, the scale 21, the numbers 22 and the characters 23 are displayed in white on the inside of each ring portion 81, and the pointer 3 is red. The light is displayed. At the same time, each pointer 3 is rotated to an angle indicating the traveling speed and rotational speed at that time.

  Thus, even when the ignition switch 16 is in the ON state, that is, during the operation of the automobile, the presence of the speedometer A and the tachometer B as instruments that the driver needs to watch almost constantly is recognized by the ring portion 81. Since it can be emphasized, the appearance of the combination meter 1 can be made novel and interesting.

  The combination meter 1 according to the first embodiment of the present invention described above includes the speedometer A and the tachometer B which are a plurality of pointer instruments, and the front side of the speedometer A and the tachometer B has a light transmittance. A so-called black face meter covered with a low smoke plate 9, a smoke plate 10 having a light transmittance higher than that of the smoke plate 9 is disposed on the front side of the smoke plate 9, and is disposed between the smoke plate 9 and the smoke plate 10. The facing plate 8 includes a ring portion 81 that is concentric with the shaft 51 of each pointer 3 and is arranged on the outer circumference of the speedometer A and the tachometer B corresponding to the speedometer A and the tachometer B. Further, a bridge portion 82 is provided so as to connect the ring portions 81, and a metal cover 83 having a metallic gloss surface is attached to the ends of the ring portions 81 and the bridge portions 82.

  As a result, the presence of the speedometer A and the tachometer B as the main instrument of the combination meter 1, that is, the instrument that the driver needs to watch almost constantly during the operation of the automobile, the ignition switch 16 is in the OFF state. Sometimes the viewer can recognize it, and the appearance of the combination meter 1 can be made novel and interesting. Further, the bridge unit 82 can emphasize the close relationship between the two pointer instruments, that is, the speedometer A and the tachometer B, and make the appearance of the combination meter 1 interesting.

(Second Embodiment)
In FIG. 6, the fragmentary sectional view of the combination meter 1 by 2nd Embodiment of this invention is shown.

The combination meter 1 according to the second embodiment of the present invention performs a non-reflective treatment on the surface of the smoke plate 9 on the viewer side (the left surface in FIG. 6) compared to the combination meter 1 according to the first embodiment of the present invention. It has been applied. That is, as shown in FIG. 6, an anti-reflective (AR) layer 31 is provided on the surface of the smoke plate as antireflection treatment. The AR layer 40 is formed, for example, by coating a transparent thin film of a plurality of inorganic dielectrics (for example, SiO ₂ , TiO ₂ , MgF _2, etc.) having different refractive indexes on a colorless transparent thin film, This film is adhered to the surface of the smoke plate 9.

  When extraneous light (such as sunlight) enters the combination meter 1 and enters the AR layer 40 from the left side of FIG. 6, the extraneous light is reflected at the interface of each layer of the multilayer coating, but at the interface between the incident light and each layer. The amount of reflected light emitted from the AR layer 40 is greatly attenuated by the interference with the reflected light.

  By the way, the smoke plate 10 disposed on the outermost side of the combination meter 1 is such that the transparent cover disposed on the front side of the display device has a traveling direction of reflected light of the extraneous light reflected on the smoke plate 10. It is easily possible to install it at an angle that always warps from the direction toward the eyes. However, the smoke plate 9 needs to be arranged facing the viewer in order to exhibit its function, that is, to effectively obtain the appearance as a black face meter. For this reason, depending on the incident angle of the extraneous light, the reflected light from the smoke plate 9 enters the viewer's eyes and the visibility of the combination meter 1 is reduced, or the extraneous light is reflected by the smoke plate 9. There is a possibility that the surface of the smoke plate 9 itself is clearly visually recognized and the appearance of the black face meter is deteriorated.

  Therefore, by providing the AR layer 40 on the viewer-side surface of the smoke plate 9 and significantly reducing the amount of reflected light of the external light incident on the smoke plate 9, the above-described problem can be reliably prevented. Can do.

(Third embodiment)
FIG. 7 is a partial sectional view of a combination meter 1 according to the second embodiment of the present invention.

  The combination meter 1 according to the third embodiment of the present invention is different from the combination meter 1 according to the first embodiment of the present invention in the configuration of the smoke plate 9. That is, in the combination meter 1 according to the first embodiment of the present invention, the smoke plate 9 is held and fixed to the end portion of the ring portion 81, and the speedometer A and the tachometer B are each provided with a dedicated smoke plate 9. It is said. On the other hand, in the combination meter 1 according to the third embodiment of the present invention, the installation position of the smoke plate 9 is moved from the end portion of the ring portion 81 between the turn plate 8 and the casing 14 as shown in FIG. The speedometer A and the tachometer B are configured to share a single smoke plate 9.

  In this case as well, the same effect as the combination meter 1 according to the first embodiment of the present invention can be obtained. That is, when the ignition switch 16 is in the OFF state, the main instrument of the combination meter 1, that is, the presence of the speedometer A and the tachometer B as instruments that the driver needs to watch almost constantly during operation of the automobile. In addition, it is possible to make the viewer recognize, and it is possible to make the appearance of the combination meter 1 novel and interesting.

(Fourth embodiment)
In FIG. 8, the front view of the combination meter 1 by 4th Embodiment of this invention is shown.

  FIG. 9 is a sectional view taken along line IX-IX in FIG.

  The combination meter 1 according to the fourth embodiment of the present invention is an indicator that indicates the gear position of the selected transmission to the combination meter 1 according to the first embodiment of the present invention, as shown in FIG. A shift indicator C is additionally arranged. The configuration other than the shift indicator C is the same as that of the combination meter 1 according to the first embodiment of the present invention, and the configuration of the shift indicator C will be described below.

  The dial 2 is common to the speedometer A and the tachometer B. As shown in FIG. 8, a character 23 indicating a shift position is provided on the surface 20a of the dial 2 by hot stamping or printing. In the combination meter 1 according to the fourth embodiment of the present invention, the gear position of the transmission has six stages of P, R, N, D, 2, and L as shown in FIG. As in the case of the speedometer A and the tachometer B, each character 23 is colored semi-translucent white, and the background portion except the character 23 is colored matte black. Thereby, when the dial 2 is irradiated with light from light emitting diodes 41 to 46 (described later) disposed behind the dial 2, only the character 23 is lit and displayed in white.

  In addition, lighting / extinction of each light emitting diode 41-46 is controlled by the controller 13 (not shown in FIG. 9).

  The printed circuit board 7 disposed on the back side of the dial 2 is also common to the speedometer A and the tachometer B. Light emitting diodes 41 to 46 are mounted on the printed circuit board 7 behind P to L, which are the respective characters 23 of the dial 2 in the viewing direction (left and right direction in FIG. 9).

  A light shielding wall 48 is provided between the dial 2 and the printed circuit board 7 to prevent the light emitted from each of the light emitting diodes 41 to 46 from irradiating a portion other than the corresponding character 23. The light shielding wall 48 is formed in a substantially ladder shape from a light-impermeable material such as a resin material.

  Further, as shown in FIG. 8, the facing plate 8 is provided with an opening 84 having a shape corresponding to the characters 23 on the dial 2 so that all the characters 23 are visible. Further, as shown in FIG. 9, the smoke plate 47 is fitted in the opening 84. The light transmittance of the smoke plate 47 is formed to be the same as the light transmittance of the smoke plate 9.

  Based on a detection signal from a shift position switch (not shown) that is attached to the transmission so that the gear position can be detected, the controller 13 lights a light emitting diode corresponding to the character 23 indicating the selected gear position, And the other light emitting diodes are turned off. As a result, the character 23 (any one of P, R, N, D, 2, and L) indicating the selected gear position is displayed in a flashing manner.

  In the combination meter 1 according to the fourth embodiment of the present invention, the presence of the speedometer A and the tachometer B can be recognized by the viewer even when the ignition switch 16 is in the OFF state. Information other than the meter B can be displayed in the same manner as the speedometer A and the tachometer B, that is, as a black face meter, and the appearance of the combination meter 1 can be made novel and interesting.

(Fifth embodiment)
In FIG. 10, the partial front view of the speedometer A part of the combination meter 1 by 5th Embodiment of this invention is shown. In the combination meter 1 according to the fifth embodiment of the present invention described above, only the speedometer A is shown in FIG. 10 and the tachometer B is omitted. However, the tachometer B has the same configuration as the speedometer A. .

  FIG. 11 is a sectional view taken along line XI-XI in FIG.

  FIG. 12 shows a partial perspective external view of the combination meter 1 according to the fifth embodiment of the present invention before the decorative ring 100 and the light guide 101 are assembled.

  The combination meter 1 according to the fifth embodiment of the present invention is obtained by changing the configuration of the turn-back plate 8 and the ring portion 81 in the combination meter 1 according to the first embodiment of the present invention. Hereinafter, the difference between the combination meter 1 according to the fifth embodiment of the present invention and the combination meter 1 according to the first embodiment of the present invention will be described.

  In the combination meter 1 according to the fifth embodiment of the present invention, as shown in FIG. 10, a decorative ring 100 that is a ring member is provided, and a scale 101 a is provided as a light emitting unit that displays light on the decorative ring 100. Is a big feature.

  As shown in FIG. 1, the decorative ring 100 is formed in an annular shape, for example, from a resin material or the like, and is arranged substantially coaxially with the speedometer A, in other words, substantially coaxially with the shaft 51 of the movement 5. . As shown in FIGS. 10 and 11, the decorative ring 100 has a through hole 100a. The through hole 100 a has a substantially rectangular cross section and is formed on an extension line of the scale 21 on the dial 2. On the surface of the decorative ring 100, a chromium plating layer is formed as a metallic gloss surface. The chromium plating layer is surely provided at least in a portion visually recognized by a passenger of an automobile. As shown in FIG. 11, the decorative ring 100 is provided with a holding groove 100b and a holding groove 100c in an annular shape. As shown in FIG. 11, the smoke plate 9 as the first see-through plate is held and fixed in the holding groove 100b. As shown in FIG. 11, the holding groove 100 c is engaged with the facing plate 103. As a result, the decorative ring 100 is held by the facing plate 103 and holds the smoke plate 9. As shown in FIGS. 11 and 12, a fitting groove 101b is formed on the back side of the decorative ring 100 (the right side in FIG. 11). A light guide 101 to be described later is fitted in the fitting groove 101b.

  The light guide body 101 that constitutes a ring member together with the decorative ring 100 is made of a translucent material such as a colorless and transparent polycarbonate resin or acrylic resin. The light guide 101 is an index, and a scale 101a as a light emitting portion is formed in a convex shape as shown in FIG. The scale 101 a is provided at a position corresponding to each through hole 100 a of the decorative ring 100. As shown in FIG. 12, the light guide 101 is fitted in the fitting groove 100 b of the decorative ring 100 while fitting the scales 101 a to the through holes 100 a of the decorative ring 100. When the light guide 101 is fitted into the decorative ring 100, the end surface of the scale 101a is flush with the front surface 100e of the decorative ring 100. Moreover, the light guide 101 is provided with the light guide part 101b, as shown in FIG. On the other hand, as shown in FIG. 11, a light emitting diode 102 is mounted on the printed circuit board 7 so that light can enter the light guide portion 101b. Thereby, on the decorative ring 100, the scale 101a is lit and displayed by the light emitted from the light emitting diode 102. On the back surface 101c of the light guide 101, a diffuse reflection layer is formed for reflecting light from the light emitting diodes 102 incident on the light guide 101 toward the scale 101a. In the combination meter 1 according to the fifth embodiment of the present invention, a textured surface is formed as the diffusely reflective layer. However, the diffuser layer is not limited to the textured surface, and other types of diffusely reflective layers such as a white printed layer, silver A print layer, a halftone dot print layer, or the like may be provided.

  With the configuration described above, in the combination meter 1 according to the fifth embodiment of the present invention, the scale 101a provided on the extension of the scale 21 on the decorative ring 100 is lit and displayed during operation of the automobile. That is, the scale 101 a on the decorative ring 100 functions as one scale in cooperation with the scale 21 on the dial 2. That is, the decoration ring 100 functions not only as an accent but as a part of the dial 2 of the speedometer A.

  Thereby, the combination meter 1 can also make the appearance novel and interesting.

  In this case, the light emission display color of the scale 101a on the decoration ring 100 may be the same color or different from the light emission display color of the scale 21 on the dial 2. If they are the same color, the sense of unity between them can be emphasized.

  Furthermore, the same effect as that of the combination meter 1 according to the first embodiment of the present invention, that is, the presence of the speedometer A is recognized by the viewer even when the ignition switch 16 is in the OFF state, so that it is more novel and interesting. The effect of being able to provide a combination black face meter type combination meter 1 is obtained.

  In addition, in the combination meter 1 by 5th Embodiment of this invention demonstrated above, although the parameter | index which is the light emission part of the decoration ring 100 is used as a scale, it is good also as a number. In this case, the number 22 on the dial 2 can be omitted.

  Moreover, in the combination meter 1 by 5th Embodiment of this invention demonstrated above, although the chromium plating layer is formed in the decoration ring 100 as a metal-like glossy surface, it is not necessary to limit to a chromium plating layer, Other types Or a silver coating layer. Further, instead of plating or painting, a pressed metal thin plate may be covered.

  Further, in the combination meter 1 according to the fifth embodiment of the present invention described above, the decorative ring 100 and the light guide 101 are formed as separate parts and then assembled together, but they are integrated into one part. You may form as. In this case, a decorative ring integrated with the light guide is formed from a light-transmitting material, such as a colorless and transparent polycarbonate resin, and a chromium plating layer or a silver coating layer is provided on the surface excluding the scale as the light emitting portion. Also good. According to this configuration, it is possible to reduce the number of parts and assembly man-hours.

  Moreover, in the combination meter 1 by 5th Embodiment of this invention demonstrated above, although the thing equivalent to the bridge | bridging part 82 in the combination meter 1 by 1st Embodiment of this invention is not provided, it is good also as a structure which provides this. .

  Further, in the combination meter 1 according to the fifth embodiment of the present invention described above, the decorative ring 100 and the light guide body 101 are integrally assembled after being formed as two independent parts. It may be formed as a single part. In this case, a decorative ring integrated with the light guide is formed from a light-transmitting material, such as a colorless and transparent polycarbonate resin, and a chromium plating layer or a silver coating layer is provided on the surface excluding the scale as the light emitting portion. Also good. According to this configuration, it is possible to reduce the number of parts and assembly man-hours.

  Moreover, in the combination meter 1 by 5th Embodiment of this invention demonstrated above, although the light emitting diode 102 is used as a light source for carrying out the light emission display of the scale 101a of the decoration ring 100, it is not necessary to restrict to a light emitting diode, these. At least one of the above may be replaced with another type of light source such as a light bulb, a discharge lamp, an EL panel, or the like.

  In the combination meter 1 according to the first to fifth embodiments of the present invention described above, the indicator meters are the speedometer A and the tachometer B, but it is not necessary to limit to these, and other types of pointers An instrument such as a water temperature gauge, a fuel gauge, a clock, a voltmeter, etc. may be substituted. Also, the number may be three or more instead of two.

  Further, in the combination meter 1 according to the first to fourth embodiments of the present invention described above, the number of the bridge portions 82 may be one or three or more, or the bridge portions 82 may be omitted.

  Moreover, in the combination meter 1 by 1st-4th embodiment of this invention demonstrated above, although the metal glossy surface provided in the ring part 81 and the bridge part 82 is formed with the metal cover 83 which consists of a metal plate. However, the present invention is not limited to this, and it may be formed by other means. For example, the tips of the ring portion 81 and the bridge portion 82 may be formed by chrome plating or silver-like metal-like coating.

  Moreover, in the combination meter 1 by the 1st-4th embodiment of this invention demonstrated above, although the scale 21, the number 22, and the character 23 of the dial 2 are made into the luminescent color in white, all or one part is other than that. You may change it to a color.

  Moreover, in the combination meter 1 by 1st-4th embodiment of this invention demonstrated above, although the light emitting diode 4 and the light emitting diode 6 are used as the light source for the dial 2 and the pointer | guide 3 illumination, It is not necessary to limit, and at least one of these may be replaced with another type of light source, such as a light bulb, a discharge lamp, an EL panel, or the like.

  Moreover, in the combination meter 1 by the 1st-4th embodiment of this invention demonstrated above, although the luminescent color of the pointer | guide 3 is made into red, you may change into another color. Further, the luminescent color of the pointer 3 may be configured to depend on the luminescent color of the light emitting diode itself without depending on the coloring of the lower surface 31. The pointer 3 itself may be formed from a light emitter, such as a discharge tube.

  Moreover, although the embodiment of the display device of the present invention has been described by taking the combination meter 1 mounted on an automobile as an example, it is not necessary to limit to the combination meter 1 for an automobile, and various devices for uses other than those for vehicles, For example, the present invention may be applied to consumer equipment.

It is a front view of the combination meter 1 by 1st Embodiment of this invention. It is the II-II sectional view taken on the line in FIG. It is an enlarged view of the III-III line cross section in FIG. It is a schematic diagram explaining the electric circuit structure of the combination meter 1 by 1st Embodiment of this invention. It is a front view explaining the visual recognition state at the time of each light emitting diode 4 and 6 light extinction of the combination meter 1 by 1st Embodiment of this invention. It is a fragmentary sectional view of the combination meter 1 by 2nd Embodiment of this invention, and is equivalent to FIG. It is sectional drawing of the combination meter 1 by 3rd Embodiment of this invention, and is equivalent to FIG. It is a front view of the combination meter 1 by 4th Embodiment of this invention. It is sectional drawing of the combination meter 1 by 4th Embodiment of this invention, and is the IX-IX sectional view taken on the line in FIG. It is a partial front view of the speedometer A part of the combination meter 1 by 5th Embodiment of this invention. It is the XI-XI sectional view taken on the line in FIG. It is a partial perspective external view in the state before the assembly | attachment of the decoration ring 100 and the light guide 101 in the combination meter 1 by 5th Embodiment of this invention.

Explanation of symbols

1 Combination meter (display device)
2 Dial (pointer instrument)
20 Display board 20a Surface 20b Through hole 21 Scale (index)
22 Numbers (Indicators)
23 characters (indicator)
3 pointer
31 Lower surface 4 Light-emitting diode 5 Movement 51 Shaft 6 Light-emitting diode 7 Printed circuit board 8 Turn plate (decorative member)
81 Ring part 82 Bridge part 83 Metal cover (metallic glossy surface)
84 Opening 9 Smoked plate (first perspective plate)
10 Smoke board (second perspective board)
DESCRIPTION OF SYMBOLS 11 Light guide plate 12 Light guide 13 Controller 14 Casing 15 Light shielding cap 16 Ignition switch 17 Battery 18 Speed sensor 19 Rotation sensor 40 AR layer (non-reflection process)
41 Light-Emitting Diode 42 Light-Emitting Diode 43 Light-Emitting Diode 44 Light-Emitting Diode 45 Light-Emitting Diode 46 Light-Emitting Diode 47 Smoke Plate 48 Light-shielding Wall 100 Decoration Ring (Ring Member)
100a Opening hole 100b Fitting groove 100c Holding groove 100d Holding groove 100e Front surface 101 Light guide (ring member)
101a scale (index, light-emitting part)
101b Light guide portion 101c Back surface 102 Light emitting diode 103 Turn-around plate A Speedometer (pointer meter)
B Tachometer (pointer instrument)
C shift indicator

Claims (10)

A plurality of pointer instruments composed of a dial with indicators such as scales and letters, and a pointer that rotates along the surface of the dial;
A first see-through plate covering the front side of the pointer instrument;
A second perspective plate installed on the front side of the first perspective plate;
A display device comprising a decorative member installed between the first perspective plate and the second perspective plate,
The decorative member includes a ring portion that is concentric with the rotating shaft of the pointer and disposed on the outer periphery of the pointer instrument,
A display device, wherein the light transmittance of the second see-through plate is higher than the light transmittance of the first see-through plate. The first see-through plate is individually provided for each pointer instrument,
The display device according to claim 1, wherein the ring portion of the decorative member holds an outer peripheral portion of the first see-through plate.   The display device according to claim 1, wherein the decorative member includes a bridge portion formed so as to connect the ring portions between the ring portions.   The display device according to claim 1, wherein at least the ring portion of the decorative member includes a metallic gloss surface. A plurality of pointer instruments composed of a dial with indicators such as scales and letters, and a pointer that rotates along the surface of the dial;
A first see-through plate covering the front side of the pointer instrument;
A second perspective plate installed on the front side of the first perspective plate;
A ring member disposed concentrically with the rotation axis of the pointer on the first perspective plate side of the second perspective plate and on the outer periphery of the pointer instrument,
The ring member includes a light emitting portion that displays light emission,
A display device, wherein the light transmittance of the second see-through plate is higher than the light transmittance of the first see-through plate.   The display device according to claim 5, wherein the light emitting portion of the ring member is a part of the index.   The display device according to claim 5, wherein the first see-through plate is individually provided for each pointer instrument, and the ring member holds an outer peripheral portion of the first see-through plate.   The display device according to claim 5, wherein a bridge portion formed so as to connect both the ring members is formed between the adjacent ring members.   The display device according to claim 5, wherein the adjacent ring member has a metallic gloss surface.   The display device according to claim 1, wherein a non-reflective treatment is performed on a surface of the first see-through plate on a viewer side.

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