JPH0735207Y2 - Display device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a display device suitable for application to an internally illuminated mark plate lamp or the like installed in an automobile.

[Prior Art] In recent automobiles, by illuminating a mark, which is a symbol of a vehicle, at night, fashionability and body identification can be improved, and a high-class feeling of the vehicle can be enhanced to distinguish it from other vehicles. Planning is taking place. Mark plate lamps that perform such mark display include those that simply perform mark display, and so-called half mirrors that reflect external light (sunlight) in the daytime to make it look like a metallic tone mark, and are backlit at night. Two types of form are known. Of these, the latter half-mirror type mark plate lamp is generally constructed as shown in FIGS. To explain this roughly, 1 is a car,
2 is a rear garnish provided on the rear surface of the automobile above the bumper 3. The rear garnish 2 is composed of a mark plate lamp 4 and a decorative plate (outer lens) 5, and a tail light, a turn signal light, and a tail light are provided on both sides of the rear garnish. Combination lamps 6 each including a backward light and the like are provided.

The mark plate lamp 4 is a body 7 having a shallow bottom box shape that is long in the left-right direction, the front surface of which is open, a mark lens 8 that covers the front opening of the body 7, and a socket 10 inside the body 7.
A pair of left and right light sources (bulb bulb etc.) arranged via
The light guide 11 is disposed behind the mark lens 8 in the body 7 and guides the light emitted from each light source 9 to the display section 12 of the mark lens 8.

The body 7 is made of a resin molded product, and its rear plate 14
Is formed in a V shape so as to be convex on the front surface side in the central portion, so that the depth is the smallest in the central portion and the maximum in the left and right end portions. Further, a mark lens attachment portion 15 is integrally formed on the front opening of the body 7 over the entire circumference.
The peripheral portion of the mark lens 8 is fitted to the above, and is welded and fixed by ultrasonic welding or the like. The body 7 is fixed to the lamp body 16 with a set screw 17.

The decoration plate 5 is made of a translucent resin and colored in red, has an opening 18 that is long in the left-right direction at the center of the front surface, and has a diffusing lens composed of many small convex lenses (or concave lenses) on the back surface. Nineteen are formed densely, so that the shape of the combination lamps 6 adjacent to each other is resembled, and it looks as if they are integrally connected. In addition, a metallic coating film layer 20 is provided on the back surface of the decorative plate 5 to prevent the diffusion lens 19 from being soiled.
Further, a fixing portion 21 is integrally provided on the peripheral portion of the back surface so as to project over the entire circumference, and the fixing portion 21 is a decorative plate mounting portion integrally provided on the outer peripheral surface of the surface of the lamp body 16.
It is inserted in the U-shaped groove 22a of 22 and is sealed and fixed by the adhesive 23.

The mark lens 8 is formed of a colorless transparent resin into a plate-like body that is long in the left-right direction, and an oval protrusion 24 that is long in the left-right direction is integrally provided at the center of the surface thereof.
The protruding portion 24 is exposed to the outside by being fitted into the opening 18 of the decorative plate 5 from the rear side and forms the same plane as the surface of the decorative plate 5. Mark lens 8 display 12
Is formed by a concave portion 25 that is engraved on the back surface of the mark lens 8 so as to be positioned in a good balance, for example, indicating Roman letters “E” and “D”, and the other back surfaces form the same plane. In addition, the ground color portion is formed by applying the light shielding film layer 26. On the other hand, the display unit 12 has a transparent metal particle layer formed by means such as vapor deposition or sputtering.
27 are formed. The metal particle layer 27 has translucency by vapor-depositing metal particles such as gold powder with a proper gap (about 300Å to 400Å) so that the particles do not contact with each other or overlap each other. .

The light guide 11 is made of a transparent resin such as acrylic resin, has a flat surface on the front side, and is bent in an inverted V shape so that the back surface is in close contact with the back plate 14 of the body 7, and The thickness of the central portion in the direction is the smallest, and the thickness gradually increases toward both ends. In addition, the back surface of the light guide 11 is provided with a plurality of small conical recesses 30 for reflecting the light emitted from the light source 9 and entering the light guide 11 forward. The stippling 30 increases the stippling density as it recedes from the light entrance portion 31 provided corresponding to the light source 9 on both end faces of the light guide 11 in order to make the irradiation light amount per unit area constant and achieve uniform illumination. Is formed.

In such a configuration, the outside light incident on the mark lens 8 hits the metal particle layer 27 and is reflected in the daytime, thereby displaying a glittering metallic tone mark, and at night, the light from the light source 9 is displayed by the light guide 11. Lead to section 12 and back illuminate it.

[Problems to be Solved by the Invention] However, in such a conventional mark plate lamp 4, in order to improve the appearance, the mark plate lamp 4 is provided over the entire circumference between the projecting portion 24 and the opening 18 of the decorative plate 5. Since a uniform gap G (FIG. 8) of about 0.5 mm is set, muddy water, dust, etc. intrude into the interior of the decorative plate 5 from this gap G, and the back surface of the plate 5 is soiled. was there. Therefore, the back surface of the decorative plate 5 is protected by the metallic coating film layer 20 to prevent the performance of the lens from deteriorating due to stains, but there is a drawback that the coating process is increased by one process and the manufacturing cost is increased accordingly. there were.

Therefore, the present invention has been made in view of the above conventional problems, and an object thereof is to eliminate a gap with a simple structure and prevent dirt on the inner surface of a lens due to muddy water, dust, or the like. To provide a display device according to the present invention.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a body in which a mark lens mounting portion is provided in a central portion of a surface and an outer lens mounting portion is provided in a peripheral portion of the surface over the entire circumference. And a mark lens having a translucent display portion and disposed on the mark lens mounting portion of the body, and a light guide body disposed on the back surface of the mark lens and guiding light from a light source to the display portion. And a fixing portion provided on the peripheral portion of the back surface, which is seal-fixed to the outer lens mounting portion and covers the front surface of the body and the mark lens.

[Operation] In the present invention, the outer lens is configured such that the fixing portion protruding from the back surface peripheral portion is fixed to the body by sealing.
Covers the front of the body and mark lens to prevent the entry of muddy water and dust.

[Embodiment] Hereinafter, the present invention will be described in detail based on an embodiment shown in the drawings.

FIG. 1 is an enlarged sectional view taken along the line II of FIG. 2 showing the first embodiment of the present invention applied to an internally lit mark plate lamp, and FIG. 2 is a front view of the lamp. In addition, the fifth in the figure
The same components as those in FIGS. 8 to 8 are designated by the same reference numerals, and the description thereof will be omitted. In these figures,
A mark lens mounting portion 40, which is formed by a stepped surface at the center of the front surface of the body 7, and the peripheral edge portion of the mark lens 8 is welded and fixed, and a filter which is located inside the mark lens mounting portion 40.
A filter mounting portion 42 to which a peripheral edge portion of 41 is fitted and fixed is provided, and further, a U-shaped seal groove that is open to the front is provided on the outer peripheral portion.
An outer lens mounting portion 44 having 43 is integrally projected.

The mark lens 8 is formed of a transparent resin in a plate shape, and a continuous long frame-shaped standing wall 45 is integrally projectingly provided on the front peripheral portion of the mark lens 8, and the display portion 12 is formed on the back surface thereof, for example, “E”,
The projection 46 in the shape of the letter “D” is integrally projected.
A transparent metal particle layer 27 is formed on the tip surface.
The protrusion dimension of the protrusion 46 is preferably about 1.5 mm or more in order to give the character a three-dimensional effect.

In this case, the mark display method is not limited to the above-described method of forming the metal particle layer 27 by vapor deposition, sputtering or the like, and various modifications are possible, for example, Al having a light-transmitting property.
It is also possible to use a film layer and a translucent top coat layer that covers the film layer, or to use a translucent colored coating film layer.

The color of the display unit 12 at night illumination can be variously changed by the filter 41, and generally, a color that is the same as or similar to the vehicle body color, or a safety color, that is, green is desirable. Further, if a smoke filter with a light-shielding louver is used as the filter 41, the display unit 12 can be used even under strong direct light in the daytime.
Can appear black. The smoke filter with a light-shielding louver has a large number of band-shaped light-shielding thin films made of fine silicon rubber or the like arranged in parallel in the smoke filter body at predetermined intervals in the left-right direction or the up-down direction.

The entire back surface of the mark lens 8 excluding the display portion 12,
On the front side, the portion outside the standing wall 45 and the outer wall surface of the standing wall 45 are
A red metallic coating film layer 48 is formed in order to prevent the light from the light source 9 from passing therethrough. Further, a metallic coating film layer 49 is formed on a portion of the surface of the body 7 outside the mark lens attachment portion 40.

Reference numeral 50 denotes an outer lens that also serves as a decorative plate that covers the front surfaces of the body 7 and the mark lens 8. The outer lens 50 is formed into two layers by a well-known multicolor molding method so that the first outer colored red. It is composed of a lens 51 and a colorless and transparent second outer lens 52. An opening 53 is formed in the center of the front surface of the first outer lens 51, and a fixing portion 55 is integrally formed on the outer periphery of the back surface so as to project over the entire circumference. The fixing portion 55 is inserted into the seal groove 43 of the body 7 and fixed by sealing with the adhesive 23.
The second outer lens 52 includes a lens central portion 52A that closes the opening 53 of the first outer lens 51 and forms the same surface as the first outer lens 51, and a lens outer peripheral portion joined to the back surface of the first outer lens 51. 52B, and a step 54 corresponding to the plate thickness of the first outer lens 51 is provided at the joint between the lens central portion 52A and the lens outer peripheral portion 52B. In addition, the back surface side of the lens central portion 52A is the first outer lens 5
A concave portion is located in front of the lens outer peripheral portion 52B by the thickness of 1
55 is formed, and the mark lens 8 is provided in the recess 55.
The leading end of the standing wall 45 of is fitted. Outer periphery of the lens
On the back surface of 52B, a diffusing lens 19 composed of a large number of small convex lenses is formed, and a mark portion 58 that is not internally illuminated at night is provided. This mark part 58
The lens outer peripheral portion 52B includes a protrusion 59 formed on the back surface of the lens outer peripheral portion 52B in an appropriate character shape, and an Al film layer 60 half-deposited on the tip surface thereof.

The outer lens integrally molded by a multicolor molding method
When manufacturing 50, first, the first outer lens 51 is injection-molded by injecting and solidifying the red colored molten resin into the first outer lens molding die, and then the first outer lens 51 is manufactured. Then, the second outer lens 52 may be molded by taking out from the mold and loading it into the second outer lens molding mold and injecting and solidifying the transparent molten resin.

Thus, in the mark plate lamp 4 having such a configuration, since the fixing portion 55 seals the body 7 and the mark lens 8 with the outer lens 50 sealed and fixed to the outer lens mounting portion 44,
There is no possibility that muddy water, dust or the like will enter inside from the front side of 50, and therefore the outer lens 50, the mark lens 8 and the body 7 can be reliably prevented from being soiled. In addition, the mark lens 8 is provided with the standing wall 45, and the outer lens 50
Since the step 54 is provided in the first outer lens 51 and the opening 53 is provided in the first outer lens 51, when the mark plate lamp 4 is viewed from the front, these boundary lines can be clearly seen and surround the displayed characters. Even without providing the gap G in the conventional device described above, the same fashionability can be exhibited and the characters on the display unit 12 can be made to stand out.

Further, when the standing wall 45 is integrally provided on the mark lens 8 and the distance between the surface of the mark lens 8 and the outer lens 50 is increased, the depth feeling of the lamp 4 can be increased.

FIG. 3 is a sectional view showing a second embodiment of the present invention. In this embodiment, the first outer lens 51 is formed by forming the outer lens 50 by forming the display portion 12 on the front surface side of the mark lens 8.
The lens joint leg portion 70 is integrally projectingly provided on the peripheral edge of the back surface of the opening portion 53 of the above, and the second outer lens 52 is provided with the opening portion 53.
The lens joint leg portion is formed in a box shape slightly smaller than 53 and is opened rearward, and the front end bent portion 71A of the peripheral wall 71 is seal-fixed to the tip end surface of the lens joint leg portion 70 by ultrasonic welding or the like. A uniform gap G is formed between the 70 and the peripheral wall 71 over the entire circumference of about 0.5 mm.
The metallic coating film layer 72 is formed on the outer surface of the. In addition, a diffusion lens 19 is provided on the back surface of the first outer lens 51.
Are formed so that they resemble the shapes of adjacent lamps. The back surface of the second outer lens 52 is a flat surface.

The other structure is substantially the same as that of the first embodiment.

In such a structure, since the gap G that does not communicate with the inside is formed on the surface side of the outer lens 50, it is possible to reliably prevent muddy water, dust, and the like from entering the inside of the outer lens 50. Further, when the mark plate lamp 4 is viewed from the front, in addition to the gap G, a band-shaped boundary line due to the thickness of the lens joint leg portion 70 and the peripheral wall 71 is visually recognized on the outer side and the inner side thereof, so that the metallic coating film of the mark lens 8 is formed. layer
The second outer lens 52 part that looks red due to 48 and the first
The red portion by the outer lens 51 can be clearly separated. Therefore, the display portion 12 stands out, and the fashionability of the mark plate lamp 4 is good as in the first embodiment.

FIG. 4 is a sectional view showing a third embodiment of the present invention. In this embodiment, a frame-shaped garnish body 80 is provided on the outer side of the body 7, and a U-shaped seal groove 82 integrally provided on the inner peripheral edge of the body-attached portion 81 is provided on the peripheral portion of the body 7. By inserting the leg portion 83 of, the seal 84 is fixed by the adhesive 84, and further mechanically coupled by a set screw or the like,
The body 7 and the garnish body 80 are integrated, and the fixing portion 55 of the outer lens 50 is inserted into the U-shaped seal groove 86 of the outer lens mounting portion 85 integrally provided on the outer peripheral portion of the garnish body 80 with the adhesive 23. While fixing the seal,
An inner lens 88 is arranged inside the outer lens 50.

The body 7 is made of white resin to enhance the reflection characteristics.

A reflective film layer 89 is formed on the inner surface of the garnish body 80 by applying white paint or the like.

The mark lens 8 is fixed to the mark lens mounting portion 40 of the body 7 with a double-sided tape or a lance. A reflective / light-shielding coating film layer 90 is formed on the peripheral portion of the front surface of the mark lens 8 and the peripheral wall portion of the protruding portion 24 in order to prevent light leakage to the inner lens 88 during night illumination.

The filter 41 is a transparent film on which the emission color is printed, and is adhered to the back surface of the mark lens 8.

The inner lens 88 is made of colorless and transparent resin, and is a diffusion lens consisting of many small convex lenses on the front and back surfaces.
91 and 92 are provided respectively. An opening is formed in the center of the inner lens 88 corresponding to the protruding portion 24 of the mark lens 8.
94 is opened, and the protrusion 24 is inserted into the opening 94 while keeping the clearance G.

Outer lens molded integrally with the first outer lens 51
The second outer lens 52 forming the second outer lens 52 has a rib leg 96 provided on the peripheral portion of the back surface thereof joined to a rib leg 97 protruding on the inner peripheral edge of the rear surface of the first outer lens 51.

Even in such a configuration, the fixed portion of the outer lens 50
Since 55 is sealed and fixed to the outer lens mounting portion 85, it is possible to reliably prevent muddy water, dust, etc. from entering the inside of the body 7 as in the first and second embodiments. . Further, in this embodiment, the outer lens
50 and the inner lens 88 form a decorative plate.

Although the above embodiments have been described as applied to the mark plate lamp 4, the present invention is not limited to this and can be applied to various display devices.

[Advantages of the Invention] As described above, the display device according to the present invention is provided with the mark lens on the body and the outer lens covering the front surface of the mark lens and the body, and the fixing portion of the outer lens is provided on the peripheral portion of the body. Since the seal is fixed to the outer lens mounting part, it is possible to reliably prevent rainwater, muddy water, dust, etc. from entering the back side of the outer lens. The back surface does not need to be painted to prevent stains and can be provided at low cost.

[Brief description of drawings]

FIG. 1 is an enlarged cross-sectional view taken along the line II of FIG. 2 showing the first embodiment of the present invention applied to an internally lit mark plate lamp, FIG. 2 is a front view of the lamp, and FIG. Second of the present invention
FIG. 4 is a sectional view showing an embodiment of the present invention, FIG. 4 is a sectional view showing a third embodiment of the present invention, FIG. 5 is a perspective view of an essential part of an automobile having a conventional mark plate lamp, and FIG. 6 is a perspective view of the lamp. FIG. 7 is an enlarged sectional view taken along the line VII-VII in FIG. 6, and FIG. 8 is an enlarged sectional view taken along the line VIII-VIII in FIG. 4 ... Mark plate lamp, 5 ... Decorative plate (outer lens), 7 ... Body, 8 ... Mark lens,
9 ... Light source, 11 ... Light guide, 12 ... Display section, 21 ... Fixed section, 22 ... Decorative plate mounting section, 40 ... Mark lens mounting section, 44 ... Outer lens mounting section, 50 ... … Outer lens, 85 …… Outer lens mounting part.

Claims (1)

[Scope of utility model registration request] 1. A body having a mark lens mounting portion provided in a central portion of a surface thereof and an outer lens mounting portion provided at a peripheral portion of the surface over the entire circumference, and a body having a translucent display portion. The mark lens arranged on the mark lens mounting part of
A light guide body disposed on the back surface of the mark lens for guiding light from a light source to the display section, and a fixing portion provided on the peripheral edge portion of the back surface are seal-fixed to the outer lens mounting portion, and the body and the mark lens A display device comprising an outer lens covering a front surface.