JPH11248858A - Clock with illumination - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a clock with illumination of which the ornamental feature in dark places is enhanced without increasing the number of parts or using luminous materials. SOLUTION: The face plate 2 is made of a light guide plate. The face plate 2 has a time indication part 2a and ornamental parts 2b and 2c. The front plate 6 where the face plate 2 is attached has a time indication window 6a and ornamental transparent parts 6b and 6c corresponding to the time indication part 2a and the ornamental parts 2b and 2c. By this constitution, the face plate 2 is illuminated with the light of a lamp 4. The light from this face plate 2 is emitted out through the time indication window 6a and the ornamental transparent parts 6b and 6c.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an illuminated timepiece that illuminates a time display portion by turning on a light.

[0002]

2. Description of the Related Art A conventional illuminated timepiece illuminates a dial by irradiating light from front, back, or side of the dial.

[0003]

In recent years, a dial having a light-condensing plate containing a light-condensing material has been used in the above-mentioned conventional timepiece with illumination. When this light collector is used, the entire dial can be brightened by external light or light, and the time can be easily read in a dark place or the like. However, in the conventional illuminated timepiece, since the light collector and the light are used to enhance the legibility of the time in a dark place, only the dial is brightly illuminated. For this reason, there has been a problem that any decoration, such as a decoration applied to a watch exterior, hardly exerts a decoration effect in a dark place, and all watches give a similar impression and it is difficult to enhance the commercial value.

In addition, even if decorations are made to be noticeable even in a dark place, the number of parts and the material cost increase if additional lights are used or light emitting materials are used, resulting in an increase in cost. was there.

The present invention has been made in view of the above-mentioned problems of the prior art, and provides an illuminated timepiece with improved decorativeness in a dark place or the like without increasing the number of parts or using a luminescent material. It is.

[0006]

The illuminated timepiece according to the present invention comprises:
As described in claim 1, in an illuminated timepiece that illuminates a time display portion by turning on a light, the timepiece includes a light guide plate that emits light by light from the light, and a time display portion and a decoration portion that display time. A dial having a time display window corresponding to the time display, and a front frame having a decorative translucent part corresponding to the decorative part, and the dial illuminated by the light. From the window for time display and the translucent decorative part of the front frame to the outside. Further, as described in claim 2, the decorative translucent portion of the front frame in the illuminated timepiece comprises a decorative window portion.

According to a third aspect of the present invention, a white printed layer is formed on the back surface of the decorative portion of the dial in the timepiece with illumination. Irregularities are formed on the front surface of the decorative portion of the dial.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION
It consists of a light guide plate that emits light by the light of the light,
It has a time display section on which an index or the like is formed to display the time, and a decoration section which acts as a decoration. The front frame to which the dial is attached is provided with a time display window portion and a decorative translucent portion corresponding to the time display portion and the decorative portion of the dial, respectively. When the light is turned on by operating the light switch, the dial receives the light and the dial emits light. The light from the dial is radiated to the outside from the time display window and the decorative translucent part, whereby the time display portion and the decorative portion are simultaneously illuminated. Therefore, not only the time can be easily read, but also the decorative portion is illuminated, and the decorativeness can be enhanced.

[0009]

FIG. 1 is an exploded perspective view showing an illuminated timepiece according to an embodiment of the present invention, and FIG. 2 is a perspective view showing the appearance after assembly.

Reference numeral 2 denotes a dial, which includes a condensing dye and reflects light inside and guides and emits light toward an end face or the like, a fluorescent plate including a fluorescent material, an acrylic plate, or the like. It consists of a light guide plate. At the center of the dial 2, there is provided a time display section 2a on which indices and the like are formed and used to display the time, and decorative sections 2b and 2c are provided on the left and right in the figure. Since the light guide plate has a particularly bright end face, the surfaces of the decorative portions 2b and 2c have
As shown in FIG. 3, a mountain-shaped unevenness 2d is formed,
A large number of end faces formed on the unevenness 2d are configured to shine brightly.

As shown in FIG. 3, a white printed layer 2e is provided on the back of the dial 2 so as to efficiently emit light forward.

Further, a hole 2f for mounting the light 4 is provided at the lower end of the dial 2 in the drawing.

Reference numeral 6 denotes a front frame to which the dial 2 is attached, and a time display window 6a and a decorative translucent portion 6b are provided on portions of the dial 2 corresponding to the time display portion 2a and the decorative portions 2b and 2c, respectively. 6c. The decorative translucent portions 6b, 6
Reference numeral c denotes a decorative window in this embodiment, to which covers 8 and 10 made of light-transmitting resin are attached from inside. After the movement 16 and the hands 20 have been attached to the time display window 6a, the cover glass 12 is fitted.

A rear frame 14 is fitted to the front frame 6 from the rear to form a case. At this time, a light switch 18 is mounted on the upper part.

In the illuminated timepiece having the above-described configuration, when the light switch 18 is operated to turn on the light 4, light from the light 4 is radiated into the dial 2 from the end face of the dial 2 and the entire dial 2 is illuminated. It emits light brightly. At this time, the light from the dial 2 is radiated outward from the time display window 6a of the front frame 6 and is also radiated outward from the decorative translucent portions 6b and 6c. Therefore, the time display portion and the decoration portion are brightly illuminated. In particular, since the decorative portions 2b and 2c of the dial 2 are provided with the unevenness 2d and formed with the end faces, the light is intensified and the illumination is brighter.

In this embodiment, the covers 8 and 10 are attached to the decorative translucent portions 6b and 6c of the front frame 6 formed in a window shape, but the thickness of a part of the front frame 6 is reduced. The decorative light-transmitting portions 6b and 6c may be formed so as to transmit light by performing such operations. Alternatively, the decorative translucent portions 6b and 6c may be simply constituted by decorative windows, and the decorative portions 2b and 2c of the dial 2 may be directly visible from the decorative windows.

A reflecting portion is formed by vapor deposition or the like on the edge of the facing portion 6d of the time display window 6a of the front frame 6 or the decorative translucent portions 6b, 6c to reflect the light from the dial 2. By doing so, the time display window 6a and the decorative translucent portions 6b, 6c
Can be made clearer.

Further, in this embodiment, the light 4 is arranged below the time display section 2a of the dial 2, but it is arranged so as to correspond to any one of or below the decoration sections 2b, 2c. It may be arranged. In this case, the decorative member 2
b, 2c are illuminated brightly, and the time display section 2 between them
a is illuminated from the left and right.

Further, the decorative translucent portions 6b and 6 of the front frame 6 are provided.
The shapes and positions of c and the decorative portions 2b and 2c of the dial 2 can be arbitrarily changed and set.

The irregularities 2d of the decorative portions 2b and 2c of the dial 2 need not necessarily be formed in a mountain shape, but may be formed by forming a plurality of grooves. May be.

The provision of the white print layer 2e on the back of the dial 2 is as described above.
By providing a white printed layer 2e on the back of b, 2c,
The decorative portions 2b and 2c can be made bright without providing the unevenness 2d, which is effective. Further, if the irregularities 2d are formed on the front surfaces of the decorative portions 2b and 2c and the white printed layer 2e is provided on the rear surface, the decorative portions 2b and 2c can be illuminated more brightly.

[0022]

According to the present invention, a translucent plate is used for the dial, and the dial is extended to the outside of the facing portion of the front frame to form a decorative portion, and the front frame has a position corresponding to the decorative portion. Is provided with a decorative translucent part, so not only the time display part,
The decorative part can also be illuminated with a light, and the decorativeness in a dark place can be enhanced.

Further, since the decorative portion is formed by the dial and the front frame, there is no need to provide any special lighting means for decoration, and it is not necessary to increase the number of parts or use a light emitting material. Therefore, an increase in cost can be suppressed.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an illuminated timepiece according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the appearance of the timepiece with illumination shown in FIG. 1 after assembly.

FIG. 3 is a partial sectional view of the dial shown in FIG. 1;

[Explanation of symbols]

 2 Dial 2a Time display section 2b, 2c Decoration section 2d Roughness 2e White printing layer 4 Light 6 Front frame 6a Time display window section 6b, 6c Decoration light transmission section 8, 10 Cover 12 Cover glass 14 Rear frame 16 Movement 18 Light switch

Claims (4)

[Claims] 1. An illuminated timepiece that illuminates a time display portion by turning on a light, comprising: a light guide plate that emits light by light from the light, the dial having a time display portion for displaying time and a decorative portion. And a front frame having a time display window portion corresponding to the time display portion and a decorative light-transmitting portion corresponding to the decorative portion, and light from the dial illuminated by the light. Illuminated to the outside from the time display window portion and the decorative translucent portion of the front frame. 2. The illuminated timepiece according to claim 1, wherein the decorative light-transmitting portion of the front frame comprises a decorative window portion. 3. A white printed layer is formed on the back surface of the decorative portion of the dial.
Illuminated clock as described. 4. The illuminated timepiece according to claim 1, wherein irregularities are formed on a front surface of the decorative portion of the dial.