JPH1183550A - Indicating instrument - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an indicating instrument provided with a dial which is visible in the substantially same size even in the case where it is visible with reflected light or transmitted light, without increasing the film thicknesses of a colored layer and a ground color layer and has a high-quality displaying ability. SOLUTION: An inner window section 207 which is partially exposed on the inside of the contour 205 of a window section 204 forming an index so that the exposed part of the window 207 may not reflect reflected light 202 on the displaying surface side of a light transmissive substrate 201 by absorption or may be colored in a dark color by the reflected light and is smaller than the window part 204 is opened. The other part except for the inner window section 207 is coated with a light proof layer 209 so as to shield illuminating light 28 supplied from the backside of the substrate 201.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an indicating instrument.

[0002]

2. Description of the Related Art Various vehicles such as automobiles,
BACKGROUND ART Transport machinery such as a ship or an aircraft is equipped with instruments that display measurement values that are extremely important in operation (steering), such as running speed and engine speed. It goes without saying that instruments mounted on passenger cars and the like that are most commonly used among the above-mentioned transportation machinery accurately display information essential to vehicle operation, such as the running speed and engine speed, to the driver. In addition, it is necessary to devise ways to improve the visibility so that the driver can easily and intuitively determine the content of the information displayed by the instrument instantaneously. Also,
Especially in the dials of meters and the like, the visual comfort expressed by the shape, design, etc. and the visibility are combined, and it is possible to realize easy-to-see and low degree of fatigue given to the driver. Since it is conceivable, various further improvements and improvements of such characteristics have been proposed.
Above all, indicating instruments, so-called analog meters, are relatively inferior to digital meters in terms of instantaneous visibility of indicators such as scales, but are indicators that display engine revolutions, etc., where numerical values of indicators are relatively volatile. In such a case, it is generally mounted as an instrument suitable for automobiles, because it is possible to present numerical values corresponding to human senses more naturally.

[0003] Such indicating instruments mounted on automobiles and the like are characterized by the above-mentioned characteristics such as visibility, gentleness to the eyes and less fatigue, and the production of a design-like high-quality feeling such as comfort in appearance. It often depends on the structure of the dial. Therefore, various improvements focused on such points have been attempted.

As one of the major attempts, FIG.
As shown in the outline, a window 1 having a pattern according to the contour (outer shape) of an index such as a scale or a number is opened in a white ground color layer 3 of a dial 2 and illumination (not shown) is turned on ( FIG.
(A)), the illumination light 4 supplied from the back side of the dial 2 is transmitted from the window 1 to the display surface side, and the transmitted light 5 at this time causes the above-mentioned indicators to change the surrounding ground color. It is displayed as a bright portion in contrast to the portion of the layer 3. When the illumination is turned off (FIG. 8B), the window portion 1 is turned into a dark portion such as black or a smoke gray similar thereto due to the darkness itself on the back side or the reflected light 7 of the light 6 incident from the outside. It is visually recognized. In this way, a technique of displaying the ground color of the dial and the index has been devised.

Furthermore, the ground color layer 3 of the dial 2 is colored white (pure white) or a white color (for example, ivory white) mainly composed of white and mixed with other colors in the reflected light 7 '. When the illumination light 4 is supplied from the back side of the dial 2 when the illumination is turned on, the illumination light 4 is transmitted through the window 1 of the index, and the other portions are
Light transmissive substrate 8 colored with a surface color such as smoke gray
By blocking the transmission of the illumination light 4 with a light-shielding layer 9 made of black ink or paint or the like on the upper side, the window 1, that is, a portion where the indicators are bright as opposed to the time of the illumination lighting. On the other hand, the main part of the ground color layer 3 is formed in such a structure that the part of the ground color layer 3 is visually recognized as a dark part like a silhouette in contrast to the brightness of the indicators.

Here, the light-shielding layer 9 is particularly formed in order to avoid the inconvenience that the outline of each index appears blurred. That is, the ground color layer 3 of the dial 2 is white, and the white paint or ink for forming such a white ground color generally has low coverage, and the edge of the pattern by the paint or ink. Due to the characteristics, it is difficult to make the accuracy of the contour, which is the edge portion, sufficient, and the like.
When the light is supplied through the window 1 and light passes through the window 1, that is, the ground color layer 3 of the contour 10 of the index, the light is blurred. The light shielding layer 9 is patterned so that the periphery of the inner window 11 of the light shielding layer 9 has a pattern slightly inwardly protruding in a frame shape in order to block the light of the contour portion 10. doing.

[0007]

However, when the above-described structure is adopted, the size of the inner window portion 11 is visually recognized as an index as shown in FIG. When the lighting is turned off such as in the daytime, the size of the window 1 is visually recognized as an index as shown in FIG.
The indicator looks different when the light is on at night or the like and when the light is off at daytime or the like. It is desirable that the indicator be viewed at the same size, even if the display format is reversed between daytime and nighttime. Problem.

For example, in a tachometer of a vehicle, a scale 12 which is colored in a red system such as a so-called red zone is provided on a scale on a high rotation side in order to warn of excessive high speed rotation of the engine. I have. In such a colored scale 12, the red color layer 13 is formed in the window 1 on the light transmitting substrate 8 as shown in FIG. When the illuminating light 4 is transmitted through the layer 13, the illuminating light 4 is colored to transmit reddish transmitted light 14.
Is transmitted to the display surface side.

[0009] In the red-colored scale 12 as well, the red paint or ink of the colored layer 13 as well as the white ground color layer 3 generally has low coverage, as described above. When the illuminating light 4 from the rear side of the light passes through the window 1, the light bleeds around the window 1, that is, in the ground color layer 3 of the contour portion 10 of the index. Therefore, in order to prevent the contour portion 10 of such an index from being blurred, it is necessary to block the transmitted light 14 of the contour portion 10. Therefore, the light-shielding layer 9 is formed in a pattern including the light-shielding layer 9 slightly protruding inward in a frame shape in a region including the contour portion 10 on the periphery of the window portion 1.

However, when the above-described structure is employed, the window portion 1, that is, the index, which is visually recognized when the illumination is turned on at night or the like and when the illumination is turned off at daytime or the like, looks different in size, and the sense of incongruity is felt. There is a problem that it occurs. That is, even in the case of an indicator colored red or the like, it is necessary to be visually recognized at the same size even if the brightness is reversed between daytime and nighttime as described above.

Furthermore, in the case of such an index 12 colored red or the like, the colors visually recognized by the reflected light (that is, surface light) near the window 1 are the white color of the ground color layer 3 and the white color. The black color of the frame-shaped overhanging portion 15 of the light-shielding layer 9 and the red color of the window portion 1 itself are a total of three colors, and the black color of the frame-shaped overhanging portion 13 of the light-shielding layer 9 is particularly noticeable and is complicated. There is a problem that the impression is displayed and the beauty is greatly impaired. However, eliminating the frame-shaped overhanging portion 15 of the light-shielding layer 9 in order to avoid this is actually due to problems in manufacturing accuracy such as positioning accuracy in patterning the light-shielding layer 9 and the like. It is impossible to realize this, and even if it can be realized, there is a problem that light bleeding at the contour portion 10 of the window 1 cannot be sufficiently and effectively prevented.

Therefore, various researches and developments have been made in an attempt to solve such a problem.
Discloses the disclosed technology and the like. This is shown in FIG.
As shown in FIG. 1A, a light-shielding layer 9 is first formed on a light-transmitting substrate 8, and a red-based color such as a red paint is formed so as to cover the light-shielding layer 9 including the window 1. Colored layer 13
To form Then, avoid the window portion 1 and avoid the colored layer 13
The white ground color layer 3 is formed so as to cover almost the entire display surface side of the dial 2 including the following.

According to this technique, when the scale 12 is visually recognized by reflected light, the red color of the colored layer 13 exposed from the window 1 to the display surface side is visually recognized, and the shade hidden under the color is displayed. Layer 9
Since the black color of the frame-shaped overhang portion 15 will not be visually recognized, the above problem should be solved.

Indeed, if the thickness of the colored layer 13 is made sufficiently large and the light-shielding layer 9 covered thereunder is sufficiently covered, the black color of the frame-shaped overhang portion 15 of the light-shielding layer 9 is visually recognized as described above. Will not be. However, the red paint or red ink used as the red coloring layer 13 generally tends to have poor coverage, and the coloring layer 13 transmits illumination light supplied from the back surface and colors it red. Because it is formed with the intention of doing so, if the film thickness is about the same as the black or dark blue paint used for the conventional general dial, the dark color system including black below it The light-shielding layer 9 cannot be covered sufficiently, and the dark color of the light-shielding layer 9 is seen through. Therefore, eventually, this portion, that is, the frame-shaped overhanging portion 15 of the light-shielding layer 9 is visually recognized as red-black when observed by the reflected light, and a complicated impression is displayed, and the beauty is greatly impaired.

In order to avoid such inconveniences, it is conceivable to make the coloring layer 13 sufficiently thick to compensate for its covering property. However, a vivid reddish color suitable for such a warning color or the like can be considered. Alternatively, in order to make the coating property of the yellow paint or ink sufficient, the thickness of the coloring layer 13 must be extremely large as compared with the normal thickness.

When the thick colored layer 13 is formed as described above,
For example, the light shielding layer 9 near the window 1 forming the index
In the edge portion, the color layer 13 itself has a continuity defect of the coating film, which is called step breakage, and the color layer 13 cracks, swells, and the like extremely in that portion. Further, in order to form the colored layer 13 with such a thick film thickness, it is necessary to repeatedly apply the paint or the ink several times, which complicates the manufacturing process. In particular, in the case of an indicating instrument which is one of the automobile parts for which the simplification of the manufacturing process is extremely strictly required in order to reduce the manufacturing cost, such a complicated manufacturing process is inconvenient.

Furthermore, when the colored layer 13 becomes thicker, the dial 2 becomes uneven in cross section as schematically shown in the cross-sectional view. Although the dial 2 is preferably a clean flat plate, there is a problem that many complicated irregularities are generated around each index and the dial 2 is visually recognized as having a poor appearance.

In the structure of FIG. 10 (a), a red-colored layer 13 which is a vigilant color is provided under the white-colored ground color layer 3 having weak coverage as described above. Since the color is formed over the entire surface, the red color of the colored layer 13 appears as light red through the white ground color layer 3, and the white color to be displayed as the original ground color is impaired. There is also a problem.

In order to avoid such a problem, it is conceivable to increase the thickness of the white ground layer 3. In this case, however, the thickness of the colored layer 13 is actually increased. In the same manner as described above, problems such as step disconnection and unevenness occur.
Therefore, as shown in FIG. 10 (b), the colored layer 13 is formed only in the window portion 1, and the other portion, that is, the portion which is almost entirely covered under the ground color layer 3, is a colored layer. Although it is conceivable that the color layer 13 is omitted, in such a structure, as schematically shown in FIG. In addition, since the edge portion of the thicker ground color layer 3 covers and overlaps, there is a problem that the occurrence of unevenness and step breakage in this portion becomes more remarkable.

As described above, according to the conventional technique, the window 1 for displaying an index is viewed in different sizes when viewed with reflected light and when viewed with transmitted light. The black or dark-based light-shielding layer 9 is visually recognized as a frame-shaped overhanging portion 15 on the scale 12 colored red or yellow or the like by the coloring layer 13 for problems or a red zone display. There was a problem of serious damage.

Even with the technology devised to avoid these problems, a new problem arises due to the increase in the film thickness and the like, and the above problem was difficult to solve in practice.
The present invention has been made to solve such a problem. The present invention provides a high-quality display in which the thickness of the colored layer 13 and the ground color layer 3 is not increased, and is substantially the same size when viewed with reflected light or transmitted light. It is an object to provide an indicating instrument provided with a performance dial 2.

[0022]

First, in the indicating instrument of the present invention, at least one of a pointer, a scale, a numeral and a character as an index corresponding to the instruction of the pointer is visually recognized on the display surface side. In the indicating instrument having a dial disposed as described above, a transparent or translucent light-transmitting substrate used as a substrate of the dial, and formed to cover the display surface side of the light-transmitting substrate. A ground color layer that is visually recognized as a light-colored color tone by reflected light on the display surface side, and is formed by opening a window so as to expose a lower layer of the ground color layer and forming the index. The color layer and the window portion forming the indicator are partially exposed inside the outline of the window portion, and the exposed portion is colored (or absorbed) in such a manner that reflected light on the display surface side is colored (or absorbed) in a dark color system. While the inner window smaller than the window is open, Other than the internal window portion, a light-blocking layer formed on the rear side of the light-transmitting substrate so as to block illumination light supplied from the rear side of the dial, and a light-shielding layer formed on the rear side of the dial. When lighting, the illumination light is supplied to the dial from the back side, and the index is compared with the ground color portion of the ground color layer by light transmitted through the window portion of the illumination light. And a backlight that is displayed as a bright portion.

That is, according to the present invention, since the light shielding layer is formed on the back side of the light transmitting substrate, the thickness of the light shielding layer,
That is, a step due to an edge portion of the light-shielding layer in a window or the like does not affect the ground color layer or the colored layer on the display surface side at all. Therefore, the conventional problems such as unevenness and disconnection of the ground color layer and the white layer can be solved.

In addition, immediately below a light-colored ground color layer such as a white color having a weak covering property, a black-based or dark-colored type (that is, a light-absorbing type which absorbs light for shading), which has been particularly clearly seen through. The light-shielding layer of (color) is not formed, and the surface of the light-transmitting substrate exists instead. The light-transmitting substrate is generally formed of a highly transparent and hard material such as thin glass or a transparent acrylic plate, so that the light transmitted from the outside on the display surface side and transmitted through the ground color layer is transmitted. Most of the light is reflected on the surface of the light transmitting substrate on the display surface side, passes through the ground color layer again, and returns to the display surface side. Accordingly, the dark-colored light-shielding layer disposed on the back side (that is, the back side) of the light-transmitting substrate is hardly seen through on the display surface side. As a result, when the ground color layer is visually recognized by the reflected light, the ground color layer is visually recognized as its original high-purity light-colored ground color.

Further, according to the present invention, the size when the image is visually recognized by the reflected light (that is, the size of the outer dimension of the window portion itself of the ground color layer) and the size when the image is visually recognized by the transmitted light by the backlight. Is visually recognized in almost the same size. As a mechanism for obtaining this effect, the light-shielding layer is disposed on the back side of the light-transmitting substrate, so that at least the light is transmitted between the back side of the light-transmitting substrate and the ground color layer on the display surface side. There is a distance corresponding to the thickness of the transparent substrate. Since this distance, that is, the thickness of the light-transmitting substrate is several times larger than the thickness of the ground color layer, the light enters through the inner window opened in the light-shielding layer on the back side and is displayed through the light-transmitting substrate. The illuminating light traveling toward the surface is diffracted at a moderate angle when entering and exiting the light transmitting substrate. For this reason, the size of the planar area of the illumination light emitted to the display surface side is approximately the same as the size of the window forming the index while traveling the distance corresponding to the thickness of the light-transmitting substrate. spread. Therefore, the index, that is, the size of the window portion of the ground color layer is determined by the size of the window when viewed with reflected light (that is, the size of the external dimensions of the window portion itself of the ground color layer) and the transmitted light by the backlight. It is considered that the size when the image is visually recognized is almost the same size. In addition, the diffraction of the transmitted light at this time occurs on the light-transmitting substrate having high optical planar uniformity, so that the diffraction direction hardly disturbs. Therefore, the transmitted light visually recognized through the window of the ground color layer on the display surface side is visually recognized in a shape having a clear outline as the outline of the inner window of the light shielding layer.

Therefore, according to the present invention, the outline of the index is prevented from being visually perceived as being blurred, and the external dimensions of the index are almost the same when viewed with transmitted light or reflected light. , And preferable display characteristics can be achieved. Secondly, in the indicating instrument according to the first aspect of the present invention, in the indicating instrument according to the first aspect, the ground color layer is visually recognized as a light color or a white color obtained by mixing other colors based on white. The indicator is visually recognized as a dark portion due to the darkness of the back side when the backlight is turned off, and is supplied when the backlight is lit. It is an index that transmits light and is visually recognized as a bright part.

That is, as the color of the ground color layer, that is, the ground color of the dial, a light-colored color or white obtained by mixing other colors based on white is particularly preferable in the indicating instrument as in the present invention. In terms of color, such paints and inks of a bright color close to white generally have poor coatability, so that there is a high possibility that the problem which the present invention solves is particularly high. Therefore,
The technique of the present invention is particularly suitable for an indicating instrument using such a dial having a light-colored ground color layer close to white.

Thirdly, in the indicating instrument according to the first or second aspect, at least one of the windows of the indicator is provided with:
In the layer between the light-transmitting substrate and the ground color layer, while coloring the illumination light when transmitting the illumination light, coloring the reflected light when reflecting the reflected light Layers,
It is further characterized by comprising:

For example, in the case of an automobile tachometer, in order to warn of the upper limit of the engine speed, indicators or scales near the upper limit of the engine speed such as 7000 to 12000 rpm are red or colored. In many cases, the light-shielding layer is colored with a warning color such as yellow. By suitably using the technique of the present invention of arranging on the back side of the object, it is possible to achieve the above-described object according to the present invention in the case of this colored index similarly to the first and second descriptions. it can.

That is, according to the present invention, just like the case described in the first aspect, a conventional transparent layer is provided immediately below the weakly coating colored layer made of a paint of a vivid color such as red, which is a warning color. There is no black or dark light-blocking layer (that is, a color that absorbs light to block light) that was particularly noticeable when viewed. Instead, the surface of the light-transmitting substrate was present. Become. Therefore, as in the case of the ground color layer described in the first aspect, even in this colored layer, the dark-colored light-shielding layer disposed on the back side of the light-transmitting substrate is hardly seen through. As a result, the colored layer that is exposed from the window forming the index does not show through the black of the frame-shaped overhanging portion of the light-shielding layer near the contour when viewed with reflected light, It will be visually recognized as the originally pure color.

Further, at this time, similarly to the case of the ground color layer described in the first aspect, in this colored layer, the transmitted light is supplied from the back illumination and enters through the inner window portion opened in the light shielding layer to transmit light. As the light passes through the substrate to the display surface side, it diffracts at a moderate angle when entering and exiting the light-transmitting substrate, and the outer shape of the transmitted light area is almost the same size as the window part forming the index Is spread out to the display surface side. Therefore, even when the index is colored by the colored layer, the outline of the index is prevented from being blurred and visually recognized, and the external dimensions of the index can be reduced when viewed with transmitted light or reflected light. It becomes visually recognizable in almost the same size, and favorable display characteristics can be achieved.

Fourthly, in the indicating instrument according to the third aspect, the colored layer is provided on the back side of the light-transmitting substrate so as to cover at least a region of the window. It is characterized by being. That is, the third
In the indicating instrument described above, the colored layer is disposed on the display surface side of the light transmitting substrate, but the colored layer may be disposed on the back side. By arranging the colored layer on the back side of the light-transmitting substrate in this way, only the ground color layer is substantially disposed on the display surface side, so that the surface of the ground color layer is clean and free of irregularities. This is preferable because a flat surface can be obtained.

Fifth, in the indicating instrument according to the third or fourth aspect, the ground color layer is colored so as to be recognized as a light color or a white color obtained by mixing other colors based on white. It is a ground color layer, and among the indices, the indices of the windows on which the colored layers are formed are such that the indices are at least one of red, green, and yellow. The indicator that is colored by a coloring layer and the coloring layer is not formed is visually recognized as a dark portion in comparison with the ground color in the darkness of the back side when the backlight is off, and the backlight is lit. In this case, it is an index that transmits light supplied by the illumination and is visually recognized as a bright portion in comparison with the ground color.

That is, since the index in which the colored layer is provided in the third or fourth aspect is colored with an intention to warn or warn, a color such as red or yellow matching the purpose is used. A vigilant color is preferably used. Thus, such alert colors are usually bright red and yellow with high brightness and saturation, but paints and inks of such colors generally have poor coverage. Therefore, in the related art, there is often a problem that a frame-shaped overhang of the light-shielding layer can be seen through the outline of the window (that is, the index) on which such a colored layer is formed. Therefore, such inconvenience can be solved by suitably using the techniques described in the third and fourth descriptions.

In addition to the above-mentioned red and yellow colors, green is also frequently used as a display color of various indices such as numerals and symbols because of its good visibility for human eyes. However, even in the case of this green color, similarly to the above-described red and yellow colors, generally, a bright green color having high saturation is often used, so that the covering property is weak. Therefore, the technique of the present invention can be suitably used in an indicator using such a green colored layer.

Sixthly, in the indicating instrument according to any one of the first to fifth aspects, the ground color layer transmits the illumination light while coloring the reflected light to the light color or white. A light-colored or white translucent ground color layer, and the light-shielding layer has a solid pattern that is at least partially exposed inside the outline of the window portion and is continuous in a plane. On the other hand, the other portion is a light-shielding layer formed in a dot-like pattern for adjusting the planar distribution of light transmitted through the ground color layer.

That is, in the indicating instrument according to the sixth aspect, the ground color layer, which looks like a bright color by reflected light, is formed as a translucent layer so as to transmit illumination light from the back. The light-shielding layer blocks the illumination light from the back in a frame shape in a so-called solid pattern only in the vicinity of the window forming the index, but is formed in a pattern like a so-called tint in other portions. In a portion not covered by the pattern (a so-called white portion), light is not blocked and passes through the ground color layer. Further, in order to adjust the planar distribution of the transmitted light so that the illumination light supplied from the rear surface is distributed with a uniform light amount over the entire surface of the dial, the dot-like pattern is formed of the dots. The planar density distribution is adjusted and formed.

Therefore, according to the technique described in the sixth aspect, the light-shielding layer does not merely perform frame-shaped light-shielding of the window portion, but also forms the ground color layer with a translucent material and transmits the dial plate itself with transmitted light. In this case, the function of making the transmitted light distribution of the dial plate uniform by the dot-like pattern of the light-shielding layer can be added to the light-shielding layer.

Seventh, in the indicating instrument according to any one of the first to fifth aspects, the ground color layer colors the reflected light to the bright color or white, while transmitting the illumination light and It is a translucent ground color layer that is colored to a light color or white,
In the light-shielding layer, at least a portion that is partially exposed inside the outline of the window portion is formed in a solid pattern that is continuous in a plane, and a plurality of dot-shaped patterns other than the portion are formed by the character. It is formed so as to be distributed in a plane on the plate, and the planar change in the visual density of light and dark on the dial due to the distribution of the dot pattern is visually recognized as a gradation on the display surface side. I have.

That is, according to the technology described in the seventh aspect, the light-shielding layer does not merely perform frame-shaped light shielding of the window portion, but also forms the ground color layer with a translucent material and transmits the dial plate itself with transmitted light. In the case of using the method, the transmitted light distribution of the dial is adjusted by the dot-shaped pattern of the light-shielding layer, and the function of displaying a gradation visible on the display surface side can also be provided in the light-shielding layer. . Note that the gradation in this case is a gradation of a method in which the portion where the dot-shaped pattern is provided shields the illumination light and becomes a dark point.

Eighth, in the indicating instrument according to any one of the first to fifth aspects, the ground color layer colors the reflected light to the light color or white, while transmitting the illumination light and It is a translucent ground color layer that is colored to a light color or white,
The light-shielding layer is formed in a solid pattern that is at least partially exposed inside the contour of the window portion and is continuous in a plane, while the other portions are formed by a plurality of dot-shaped blank patterns. It is formed so as to be distributed in the dial, and the planar pattern of the visual density of light and dark due to the distribution of the transmitted light is visually recognized as a gradation on the display surface side in the extracted pattern portion by transmitting the illumination light. It is characterized by being done.

That is, the gradation formed by the light-shielding layer according to the eighth aspect is opposite to that of the seventh aspect,
The gradation is such that the portion where the dot-shaped cutout pattern is provided transmits the illumination light and becomes a bright point. Ninth, in the indicating instrument according to any one of the first to eighth aspects, the light-transmissive substrate is a transparent to translucent light that transmits the illumination light while coloring the reflected light to a dark color. A transmissive substrate, when the illumination is off, the light reflected by the window is colored in the dark color and the index is displayed in the color, while the illumination is on. The indicator is displayed as a bright part by transmitting the illumination light through the window.

That is, in the indicating instrument according to the ninth aspect, the light-transmitting substrate is a colored substrate whose so-called surface color looks like a dark color such as smoke gray when viewed with reflected light, By using this for the indicating instrument described above, the window portion of each index, in which the colored layer is not provided and the light-transmitting substrate is directly exposed on the display surface side (that is, the window portion is colored). The indicator which is not shown) is visually recognized as a dark color such as smoke gray of the surface color of the light-transmitting substrate itself when observed with reflected light, while the above-mentioned window portion is displayed when illumination is turned on. Thus, the illumination light can be transmitted, and this part can be visually recognized as a bright part.

As described above, by using a colored substrate or the like whose surface color appears to be a dark color such as smoke gray as the light-transmitting substrate, the display color of the index when observed with reflected light can be changed as described above. It is possible to display more positively as a black color or a dark color similar to the case where a substantially transparent light-transmitting substrate as described in the first to eighth embodiments is used.

When a transparent light-transmitting substrate having an almost colorless surface color was used, the index was visually recognized as a dark portion due to the darkness of the back surface of the dial when viewed with reflected light. In other words, the darkness of the back of the dial substantially determines the surface color of the index of the dial. Although such a pseudo coloration is practically acceptable, the light-transmitting substrate itself may be a substrate colored with smoke gray or the like, so that the surface color of the index (that is, reflected light) This is preferable because the color at the time can be adjusted to a subtle color.

[0046]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the indicating instrument according to the present invention will be described below in detail with reference to the drawings. (Embodiment 1) As shown in FIG. 1, this indicating instrument includes a pointer 101 and an indicator 10 corresponding to the instruction of the pointer 101.
Scale 102 and numeral 103 and character 104 as 0
Is arranged on the display surface side so that
In each of the following embodiments, a case where the technology of the present invention is applied to a so-called tachometer of an automobile will be described.

In the indicating instrument as described above, the part of the index 100, particularly the scale 102 which is not colored red or the like among the scales 102 is used as a substrate of the dial 105 as shown in FIG. A light-transmitting substrate 201 made of a transparent acrylic plate, and the light-transmitting substrate 201
A ground color layer 203 which is formed so as to cover the display surface side and is visually recognized as a light color tone by the reflected light 202 on the display surface side, and exposes a lower layer portion of the ground color layer 203. The ground layer 203 on which the indicator 100 is formed by opening the window 204 and the exposed portion 206 that is partially exposed inside the contour 205 of the window 204 forming the indicator 100 Reflected light 2 on the display surface side
02 is an illumination light supplied from the back side while an inner window 207 smaller than the window 204 is opened so as to absorb and not reflect or color in a dark color system. A light-shielding layer 209 formed on the back side of the light-transmitting substrate 201 opposite to the display surface side to shield light from the light-transmitting substrate 208, and the light-shielding layer 209 is disposed on the back side of the dial 105. The illumination light 208 is supplied to the dial 105 from the back side, and the transmitted light 210 of the illumination light 208 that passes through the window 204 causes the index 100 to correspond to the ground color portion of the ground color layer 203. And a backlight (not shown) for displaying as a relatively bright portion.

That is, according to the present invention, first, since the light shielding layer 209 is formed on the back side of the light transmitting substrate 201, the thickness of the light shielding layer 209 (that is, the light shielding Step due to the edge portion of the layer 209)
The background color layer 203 on the display surface side is not affected at all. Therefore, at least the step difference of the film thickness can eliminate unevenness of the ground color layer 203 on the display surface side.

In addition, immediately below the light-colored ground color layer 203, such as a white color having a weak covering property, a black or dark-colored type (that is, a light-absorbing type for light-shielding), which has been particularly conspicuously seen through. The light-shielding layer 209 is not formed in the present invention, and instead, the surface of the light-transmitting substrate 201 is present. The light-transmitting substrate 201 is generally formed of a material having high transparency and high hardness, such as thin glass or a transparent acrylic plate, so that most of the light transmitted through the ground color layer 203 from the display surface side. Is reflected on the surface of the light-transmitting substrate 201 on the display surface side, passes through the ground color layer 203 again, and returns to the display surface side. Therefore, the dark-colored light-shielding layer 209 arranged on the back side (that is, the back side) of the light-transmitting substrate 201 is hardly seen through on the display surface side. As a result, when the ground color layer 203 is viewed with the reflected light 202, it is viewed as only a light-colored ground color having its original high purity. Further, therefore, it is not necessary to form the ground color layer 203 thickly in order to improve the coverage as in the related art, so that all the problems caused by the thickness of the conventional ground color layer 203 can be solved. Can be.

Further, according to the present invention, the light shielding layer 203 is provided.
Is arranged on the back side of the light-transmitting substrate 201,
The ground color layer 20 from the back side of the light transmitting substrate 201 to the display surface side
The distance up to 3 is at least as long as the thickness of the light-transmitting substrate 201. This distance, that is, the light-transmitting substrate 201
Is several times larger than the thickness of the ground color layer 203, the light enters through the inner window 207 opened in the light-shielding layer 209 on the back side, passes through the light-transmitting substrate 201, and passes through the display surface. The transmitted light 210 of the illumination light 208 traveling to the side is diffracted at an appropriate angle when entering and exiting the light transmissive substrate 201, so that the transmitted light 210 that has passed through the inner window portion 207.
The light is emitted to the display surface side after the outer shape of the light-transmitting substrate 201 has spread to the same size as the window portion 204 forming the index while traveling the distance of the thickness of the light-transmitting substrate 201. Therefore, the size of the index, that is, the size of the window 204 of the ground color layer 203 that is visually recognized when the backlight is turned on is the size when the reflected light 202 is visible (that is, the outer size of the window 204 itself of the ground color layer 203). Size) is visually recognized in almost the same size. Therefore, it is possible to eliminate a sense of discomfort when the lighting is turned on and when the lighting is turned off.

Moreover, since the diffraction of the transmitted light 210 occurs on the light-transmitting substrate 201 having high optical planar uniformity, the directionality of the diffraction hardly disturbs. Therefore, the transmitted light 210 that is visually recognized through the window 204 of the ground color layer 203 on the display surface side has a shape with a clear outline as the straight outline of the inner window 207 of the light shielding layer 209. It is visually recognized. Therefore, according to the present invention, the outline of the index 100 is prevented from being visually perceived as being blurred, and the outer dimensions of the index 100 are almost the same when viewed with the transmitted light 210 and when viewed with the reflected light 202. It becomes visually recognizable by the dimensions, and favorable display characteristics can be achieved.

Here, the ground color layer 203 is a ground color layer 203 which is arranged so as to be visually recognized as a bright color obtained by mixing other colors on the basis of white. For the portion other than the red zone portion, the backlight is visually recognized as a dark portion due to the darkness of the back side when the backlight is off, and the illumination light 208 supplied by the backlight is turned on when the backlight is on. The window 2
The light is transmitted at 04 and visually recognized as a bright portion. The color of the ground color layer 203, that is, the ground color of the dial is a light-colored color obtained by mixing other colors based on white or white. In this embodiment, the color is particularly white. Also, the present invention can be suitably used in an indicator having various white-colored dials such as ivory white and light gray white. That is, in the case of using such a light-colored paint or ink, there is a high possibility that the problem to be solved by the present invention is particularly high, so that the technique of the present invention can be suitably used.

Next, as shown in FIG. 3, the portion of the scale 102 ′ which is colored red as a so-called red zone is provided in a layer between the light-transmitting substrate 201 and the ground color layer 203. When the illumination light 208 is transmitted, the illumination light 208 is colored. On the other hand, when the reflection light 202 is reflected, the reflection layer 202 is colored.
Is further provided.

In the case of a tachometer for an automobile as in this embodiment, for example, in order to warn the upper limit of the engine speed, for example, 6000 to 8000 which is an overspeed region.
In many cases, the scale 102 'of the rotation portion is displayed by being colored red or yellow. In the case where the coloring layer 211 for coloring such as red is provided on the window 204 forming the scale 102 ′, the light shielding layer 209 is provided on the back side of the light transmitting substrate 201. The technique described above can be suitably used.

That is, according to the present invention, just below the colored layer 211 having a weak covering property due to a vivid color such as red, which is a warning color, as in the case of the first aspect, the conventional transparent layer can be seen through. In particular, the conspicuous black or dark color light-blocking layer 209 (that is, a color that absorbs light for blocking light) is not formed, and instead, the surface of the light-transmitting substrate 201 is present. . Therefore, the ground color layer 203 of the first description
This colored layer 211 is formed and the scale 10
Also in the portion 2 ', the dark-colored light-shielding layer 209 disposed on the back side of the light-transmitting substrate 201 is not substantially seen through.

As a result, the scale 1 which is one of the indexes 100
The colored layer 211 that is exposed from the window 204 forming the second layer 02 ′ is light-shielding layer 209 when viewed with the reflected light 202.
The black color of the frame-shaped overhang portion 206 is not seen through, and only the original pure red color is visually recognized.

Further, at this time, similarly to the case of the ground color layer 209, the transmitted light 210 is also supplied from the back illumination to the inner window portion 2 opened in the light shielding layer 209 in the coloring layer 211.
07, the light passes through the light-transmitting substrate 201 and proceeds to the display surface side, and is diffracted at a moderate angle when entering and exiting the light-transmitting substrate 201, and the outer shape of the area of the transmitted light 210 is scaled. The light is emitted to the display surface side after being spread to almost the same size as the window 204 forming the 102 ′. Therefore, even when the scale 102 ′ is colored by the coloring layer 211, the outline of the scale 102 ′ is prevented from being visually recognized as being blurred, and the external dimensions of the scale 102 ′ are reduced when viewed with the transmitted light 210. When viewed with the reflected light 202, almost the same size can be visually recognized, and preferable display characteristics can be achieved.

Further, it is not necessary to consider the coating property of the colored layer 211, and it is only necessary that the colored layer 211 be formed to a thickness that allows the transmitted light 210 to be colored as a warning color red. Thus, the problem caused by the conventional thickness of the colored layer 211 and the like can be solved from the root. Further, the fact that the film thickness may be small means that the light transmittance can be kept high, so that there is an advantage that the illumination light 208 can be used with high efficiency. In other words, illumination light that is weaker than in the past can be used effectively.

The color of the coloring layer 211 is as follows.
Any of red, green and yellow colors is preferred. Then, for the indicator 100 on which the colored layer 211 is not formed, when the backlight is turned off, the darkness on the back side is visually recognized as a dark portion in comparison with the ground color, and the backlight is turned on. The illumination light 208 supplied by the illumination is transmitted and the ground color layer 2
It is visually recognized as a bright part in contrast to the color of the part 03 (darkness of the shadow).

The scale 102 on which the coloring layer 211 is provided
Since the index 100 such as' is colored with an intention to warn or call attention, a warning color such as red or yellow is preferably used as a color that meets such a purpose. Thus, such warning colors are usually bright red and yellow with high lightness and saturation, and paints and inks of such colors generally have poor coverage. Therefore, in the related art, there is often a problem that the frame-shaped overhang portion 206 of the light-shielding layer 209 can be seen through the outline of the window portion (that is, the index) 204 on which the colored layer 211 is formed. . Therefore, such inconvenience can be solved by suitably using the technique of the present invention as described above. That is, the present invention can also be suitably used in an indicator using the red or yellow colored layer 211.

As the color of the colored layer 211, a green color other than the above-mentioned colors is also suitable. For example, index 100
Of these, the characters 104 and the like are often displayed using a green color. This is because the green color is preferably frequently used for human eyes because of its characteristics such as good visibility of the green color. In many cases, the color is vivid green with high saturation like yellow and yellow, and generally has poor coverage. Therefore, the technique of the present invention can be suitably used also in such a green colored layer 211.

The criterion for the red or yellow color is based on the JIS color name here, and the red color includes red, yellow-red (orange) in the JIS color name, and the yellow color. Is a JIS color name that corresponds to yellow and yellow-green, and a green-based color corresponds to JIS color names of green and blue-green. These colors can be suitably used as the color of the coloring layer 211. Other colors (for example, blue-violet) are generally inconspicuous in a dark color system, so they are not suitable for the color of the coloring layer 211 for displaying a cautionary color. However, there is a tendency that the technique of the present invention is not so required. Therefore, as the color of the coloring layer 211 in the indicating instrument according to the present invention, a bright, red-based, yellow-based, or green-based color having both high brightness and high saturation as described above is particularly preferable.

The ground color layer 203 is a ground color visually recognized as a light-colored color tone. The light-colored color here is a Munsell color generally used in the fields of printing and painting. Based on the Munsell value (lightness; V) in the color system, V = 0 to V = 5 is set to a dark color system, and V = 6 to V =
10 was determined in accordance with the criteria for a light color system. That is, as the definition of the color of the ground color layer according to the present invention, that is, the light-colored color, those having Munsell value; V = 6 to 10 suitably correspond thereto. Munsell color
In a tree, a color having a Munsell value of V = 6 to V = 10 in any of the hues may be actually recognized as a bright color, and therefore, a light color of the ground color layer according to the present invention may be used. Is preferably such a color of V = 6 to V = 10. In particular, if the Munsell value is any color while the Munsell value is V = 7 to 10, any white hue can be visually recognized as a white color. Therefore, in the indicating instrument according to the present invention, the Munsell value is V = 7 to
Ten colors of each hue are preferred.

In the above description, the case where the transmitted light 210 is diffracted by the light transmissive substrate 201 and spreads to almost the same size as the window 204 has been described. However, the wavelength of the illumination light 208, the material of the light transmissive substrate 201, etc. Depending on the combination, the necessary and sufficient diffraction as described above may not occur. Therefore, in such a case, the size of the overhanging portion 206 of the light-shielding layer 209 is made smaller than the above, and the size of the inner window portion 207 is precisely adjusted to a size close to the size of the window portion 204. May be controlled. According to the present invention, since the light-shielding layer 209 is formed on the back side of the light-transmitting substrate 201, there is no inconvenience caused by unevenness or the like caused by superimposition with the ground color layer 203 as in the related art. This is because such pattern formation of the light shielding layer 209 can be controlled with high accuracy.

(Embodiment 2) In the indicating instrument of the first embodiment, the colored layer 211 is formed on the display surface side of the light-transmitting substrate 201. In the second embodiment, however, FIG. As shown, the colored layer 211 is formed on the light-transmitting substrate 201.
It is characterized in that it is disposed on the back side of the cover so as to cover at least the area of the window portion 204. In FIG. 4, the same parts as those in FIGS. 1 to 3 are denoted by the same reference numerals.

As described above, the colored layer 211 is formed on the light transmitting substrate 2.
By arranging the ground color layer 203 on the display surface side, the surface of the ground color layer 203 on the display surface side, which is most conspicuous, is made clear without irregularities. This is preferable because a flat surface can be obtained.

(Embodiment 3) In the third embodiment, in the indicating instrument of the second embodiment, the ground color layer 203 'causes the reflected light 202 to be colored to a light color or white while the illumination is performed. A translucent ground color layer 203 ′ that transmits light 208 and is colored in the light color or white, and is a light shielding layer 209.
Is a character in which at least a portion 206 partially exposed inside the outline 205 of the window portion 204 is formed in a solid pattern 303 that is continuous in a plane, and the other portion, that is, a character in which the index 100 is formed. In a ground color portion inside the peripheral portion of the plate 105 or in an area inside the window portion 204, a dot-shaped pattern 301 for adjusting the planar distribution of light transmitted through the ground color layer 203 'is formed. The light shielding layer 203 'is characterized in that This is shown in FIG.
Shown in In FIG. 5 and the description of the present embodiment, for simplification of the description, the same parts as those in the description of the second embodiment and FIGS.

In the indicating instrument of the third embodiment, the ground color layer 203 ′ which looks bright in the reflected light 202 is
It is formed as a translucent layer so as to transmit the illumination light 208 from the back. The light-shielding layer 209 is used for the index 10
A region including the portion 206 near the window portion 204 and the like forming the 0 is formed with a so-called one-sided solid pattern 30.
3 blocks the illumination light 208 from the back in a frame shape, but other portions are formed in a pattern 301 such as a so-called dot, and are not covered by the pattern 301 of the light shielding layer 209 ( So-called white part)
In 302, the illumination light 208 is not blocked and
The transmitted light 03 'becomes colored transmitted light 210'.
In order to adjust the planar distribution of the transmitted light 210 such that the illumination light 208 supplied from the rear surface is distributed with a uniform light amount over almost the entire surface of the dial 105, The above dot pattern 3
No. 01 is formed by adjusting the density distribution of its halftone dots in a plane.

Therefore, according to the technique shown in the third embodiment, the light-shielding layer 209 does not only perform the frame-shaped light-shielding of the window 204 but also forms the ground color layer 203 ′ with a translucent material. When the dial 105 itself is of the transmitted light type, a function of making the transmitted light distribution of the dial 105 uniform can also be provided.

(Embodiment 4) FIG. 6 shows an outline of the structure of the indicating instrument of the fourth embodiment. In FIG. 6 and the description of the present embodiment, for simplification of the description, the same parts as those in the description of the third embodiment and the like and FIG. 5 and the like are denoted by the same reference numerals.

The ground color layer 203 ′ is a translucent ground color layer 203 ′ that colors the reflected light 202 to a light color or white while transmitting the illumination light 208 and colors the light to a light color or white. The light shielding layer 209 is provided at least in the window 204
The area around the window 204 including the part 206 that is partially exposed inside the outline 205 is formed in a solid pattern 303 that is continuous in a plane, and the rest of this part is formed of a plurality of dots. The pattern 401 is formed so as to be distributed in a plane on the dial 105, and the planar change of the light and dark visual density on the dial 105 due to the distribution of the dot pattern 401 is on the display surface side. It is characterized by being visually recognized as gradation.

That is, according to this technique, the light-shielding layer 209 does not only perform frame-shaped light-shielding of the window 204 but also forms the ground color layer 203 ′ with a translucent material and transmits the dial 105 itself. When the optical system is used, the transmitted light 2 of the dial 105 is used.
The function of displaying the gradation visually recognized on the display surface side by adjusting the distribution of 10 ′ can also be provided. In the gradation in this case, the portion where the dot-shaped pattern 401 is provided is the illumination light 20.
8, a portion 402 where the pattern 401 is not disposed is transmitted through the illumination light 208 and is colored white light by the ground color layer 203 ', and the colored transmitted light 210' Is a gradation of a type in which the image is visually recognized as a bright display.

(Embodiment 5) In the gradation in the above-described fourth embodiment, the portion where the dot-shaped pattern 401 is provided shields the illumination light 208 and becomes a dark point, and this pattern 401 is provided. Not part 402
Is a gradation of a method in which the illumination light 208 is transmitted and the ground color layer 203 'is colored into white light, and the colored transmitted light 210' is visually recognized as a bright display.
The gradation method is not limited to this.

As shown in FIG. 7 in the fifth embodiment,
Contrary to the fourth embodiment, the light-shielding layer 209 is formed so that a plurality of dot-shaped cutout patterns 501 are distributed on the dial 105, and the portion of the cutout pattern 501 emits the illumination light 208. While transmitting, the light shielding layer 20
In a portion 502 where a pattern 9 exists as a pattern, the illumination light 208 is shielded, and the transmitted light, that is, the transmitted light 21 is blocked.
It is also possible to form a gradation such that a planar change in the dial 105 of the light and dark visual density due to the distribution of 0 'is visually recognized as a gradation on the display surface side.

That is, in the fourth embodiment, the gradation is formed by the planar distribution of the dot-shaped pattern 401, but in the present embodiment, the gradation is formed by the planar distribution of the blank pattern 501. . In FIG. 7 and the description of the present embodiment, for simplification of the description, the same reference numerals are given to the same portions as those in the description of the fourth embodiment and the like and FIG. 6 and the like.

(Embodiment 6) In each of the above embodiments, the case where a colorless transparent substrate such as a glass plate or a transparent acrylic plate is used as the light transmitting substrate 201 has been described. Is a transparent to translucent substrate that transmits the illumination light 208 while the reflected light 202 is colored in a dark color, and the light reflected by the window 204 when the illumination is turned off is the dark color. While coloring each color and displaying each of the indices 100 in this color, when the illumination is turned on, the illumination light 208 is transmitted through the window 204 so that each of the indices 100 is displayed as a bright portion. You may do it.

That is, the light transmissive substrate 201 reflects the reflected light 20
2 is a colored substrate whose surface color looks like a dark color such as smoke gray when viewed in 2, and is used for the dial 105 of the indicating instrument having the structure described in each of the above embodiments. Therefore, the colored layer 211 is not provided in each of the indices 100, and the window 204 of the ground color layer 203 is not provided.
The window 204 in which the light-transmitting substrate 201 is directly exposed on the display surface side, that is, the uncolored index 100 is:
When observed with the reflected light 202, the light transmitting substrate 20
1 is visible in a dark color such as smoke gray of its own surface color, while the illumination light 208 is transmitted through the window 204 when the illumination is on, and this part, that is, the part of the indicator 100 is It can be visually recognized as a bright part.

As described above, by using a colored substrate or the like whose surface color looks like a dark color such as smoke gray as the light transmissive substrate 201, the display color of the index 100 when observed with the reflected light 202 is used. Can be more positively displayed as black or a dark color system similar to the case where the almost colorless and transparent light-transmitting substrate 201 is used as described above.

Embodiment 1 in which the surface color is almost colorless and transparent
When the light-transmitting substrate 201 shown in FIGS. 5 to 5 was used, the indicator 100 was visually recognized as a dark portion due to the darkness of the back surface of the dial 105 when viewed with the reflected light 202. In other words, the darkness of the back side of the dial 105 substantially determines the surface color of the index 100 of the dial 105. Such a pseudo coloration may be used in practice, but if it is desired to more positively adjust the surface color of the index 100 (that is, the color when viewed with reflected light) to a subtle color, for example, A substrate in which the transparent substrate 201 itself is colored in smoke gray or the like may be used.

The colored light-transmitting substrate 201 may be a glass plate or an acrylic plate that is colored by a substantial coloring in which a dark colorant is mixed or a surface coloring in which a pigment or the like is attached to the surface. A plate or the like can be suitably used.

[0081]

As described in the detailed description above, according to the present invention, the color layer or the ground color layer can be visually recognized by the reflected light without being thickened. It is possible to provide an indicating instrument provided with a dial plate of high quality display performance, which can be visually recognized at substantially the same size even when the display device is used.

[Brief description of the drawings]

FIG. 1 is a diagram showing an outline of a planar configuration of a main part of an indicating instrument according to the present invention.

FIG. 2 is a view showing an outline of a structure of a part of a colorless scale 102 in the indicating instrument of the first embodiment.

FIG. 3 is a diagram showing an outline of a structure of a particularly colored scale 102 ′ in the indicating instrument of the first embodiment.

FIG. 4 is a diagram showing an outline of a structure of a particularly colored scale 102 ′ in the indicating instrument of the second embodiment.

FIG. 5 is a diagram showing an outline of a structure of a main part of an indicating instrument according to a third embodiment.

FIG. 6 is a diagram illustrating an outline of a structure of a main part of an indicating instrument according to a fourth embodiment.

FIG. 7 is a diagram showing an outline of a structure of a main part of an indicating instrument according to a fifth embodiment.

FIG. 8 is a diagram showing an outline of a structure of a main part of a conventional indicating instrument.

FIG. 9 is a diagram showing an outline of a structure of a main part of a conventional indicating instrument.

FIG. 10 is a diagram showing an outline of a structure of a main part of a conventional indicating instrument.

[Explanation of symbols]

100: index, 101: pointer, 102: scale, 103:
Numerals, 104, letters, 105, dial, 201, light-transmitting substrate, 203, ground color layer, 204, window, 205, contour of window, 206, exposed part, 207, inner window,
208: illumination light, 209: light shielding layer, 210: transmitted light, 2
11 ... Colored layer

Claims (9)

[Claims] 1. An indicating instrument comprising a pointer and a dial provided so that at least one of a scale, a numeral, and a character is visually recognized on a display surface side as an index corresponding to the instruction of the pointer, A transparent or translucent light-transmitting substrate used as a substrate of the dial, and formed to cover the display surface side of the light-transmitting substrate, and a light color tone by reflected light on the display surface side. A ground color layer visually recognized as, and a ground color layer formed by opening a window so as to expose a lower layer of the ground color layer to form the index; and an inner side of a contour of the window forming the index. In the exposed portion, an inner window smaller than the window is opened so that the reflected light on the display surface side is colored in a dark color, while the inner window is The other is illumination light supplied from the back side of the dial A light-shielding layer formed on the rear side of the light-transmitting substrate so as to shield light from the light-transmitting substrate; and a light-shielding layer disposed on the rear side of the dial, and supplying the illumination light to the dial from the rear side during lighting. And a backlight that displays the indicator as a bright portion in contrast to a ground color portion of the ground color layer by light transmitted through the window portion of the illumination light. Instrument. 2. The indicating instrument according to claim 1, wherein the ground color layer is arranged so as to be visually recognized as a light color or a white color obtained by mixing other colors based on white. The indicator is visually recognized as a dark portion due to the darkness of the back side when the backlight is off, and a bright portion that transmits light supplied by the backlight when the backlight is on. An indicating instrument characterized by being an index visually recognized as a. 3. The indicating instrument according to claim 1, wherein at least one of the window portions of the indicator transmits the illumination light to a layer between the light-transmitting substrate and the ground color layer. An indicating instrument, further comprising a coloring layer for coloring the illuminating light when transmitting the light, and coloring the reflected light when reflecting the reflected light. 4. The indicating instrument according to claim 3, wherein the colored layer is provided on a back side of the light-transmitting substrate so as to cover at least a region of the window. Instrument. 5. The indicating instrument according to claim 3, wherein the ground color layer is colored so as to be visually recognized as a light color or a white color obtained by mixing other colors based on white. The color layer, the index of the window portion in which the colored layer is formed among the indices, the color layer so as to be visually recognized in at least one of red, green, and yellow colors An indicator that is colored and the colored layer is not formed is:
When the backlight is turned off, the background color is visually recognized as a dark portion in comparison with the ground color in the darkness of the back side, and when the backlight is lit, the light supplied by the illumination is transmitted and the ground color is transmitted. An indicating instrument characterized by being visually recognized as a bright part in contrast to the above. 6. The indicating instrument according to any one of claims 1 to 5, wherein the ground color layer colors the reflected light to the light color or white, and transmits the illumination light to the light color. A semi-transparent ground color layer that is colored to a system or white, and the light-shielding layer is formed in a solid pattern that is at least partially exposed inside the contour of the window portion and is continuous in a plane. On the other hand, the indicating instrument characterized in that the other part is a light-shielding layer formed in a dot-like pattern for adjusting the planar distribution of light transmitted through the ground color layer. 7. The indicating instrument according to any one of claims 1 to 5, wherein the ground color layer colors the reflected light to the light color or white, and transmits the illumination light to the light color. A semi-transparent ground color layer that is colored to a system or white, and the light-shielding layer is formed in a solid pattern that is at least partially exposed inside the contour of the window portion and is continuous in a plane. On the other hand, other than this part, a plurality of dot-shaped patterns are formed so as to be distributed in a plane on the dial, and the distribution of the dot-shaped patterns is a two-dimensional pattern of the visual density of light and dark on the dial. The indicating instrument, wherein the change is visually recognized as a gradation on the display surface side. 8. The indicating instrument according to any one of claims 1 to 5, wherein the ground color layer transmits the illumination light while brightening the reflected light to the bright color or white. A semi-transparent ground color layer that is colored to a system or white, and the light-shielding layer is formed in a solid pattern that is at least partially exposed inside the contour of the window portion and is continuous in a plane. On the other hand, the other portions are formed so that a plurality of dot-shaped cutout patterns are distributed in the dial, and the cutout pattern portions transmit the illumination light and are bright and dark due to the distribution of the transmitted light. An indicating instrument, wherein a planar change in visual density is visually recognized as a gradation on the display surface side. 9. The indicating instrument according to claim 1, wherein the light-transmitting substrate is transparent or translucent to transmit the illumination light while coloring the reflected light to a dark color. A light-transmitting substrate, wherein when the illumination is off, the light reflected on the window is colored in the dark color to display the indicator in the color, while the illumination is on. In some cases, the indicator is displayed as a bright portion by transmitting the illumination light through the window.