JPH062290U - Display device - Google Patents

Abstract

(57) [Abstract] [Purpose] The appearance of the display unit is improved by eliminating steps or gaps between the transparent portion of the outer panel and other opaque portions, and the outer casing of the display device is configured. Most of the components to be formed are in the form of a single piece to facilitate their manufacture. An outer panel in which an opaque coating 24 is formed on one surface of a translucent plate material, and a part of the coating is removed to form an index illumination window 14 and a range illumination window 15. 2 and the position indications 25, 2 of the outer panel which are positioned so as to overlap with the back surface of the outer panel.
5, and the display unit 7 including the indicators 26, 26 ,.
And an opaque inner panel 3 integrally formed with a peripheral wall 13 projecting from the peripheral edge of the transparent portion to the outside panel side by two-color molding. The light bulb 28 and the light guide 2 are formed in the portion surrounded by the peripheral wall.
9, the LEDs 30, 30, ... Are arranged.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a novel display device. More specifically, the present invention relates to a light-emitting display device that causes a display section having a light-transmitting section formed on a display panel to emit light by light from a light source disposed behind the display section. There are no steps or gaps between other opaque parts and the appearance of the display panel can be improved, and most of the members forming the outer casing of the display device are single parts. The present invention aims to provide a novel display device which can be formed in the form of the above and can be easily manufactured.

[0002]

[Prior art]

 The display device includes, for example, a display panel provided with a display element having translucency on a display surface, a housing arranged on the back side of the display panel, a light source provided in the housing, and the like. Displaying an element by transmitting light from a light source to it, or making the display element opaque and having a light-transmitting property around it to emit light around the display element. There is one that makes the display element visible.

FIG. 9 and FIG. 10 show an example a in which the latter of the conventional display devices is applied to a shift range display device of an automatic vehicle.

In FIG. 1, b is a display panel formed to have a thin box shape with an opened lower surface, and a shift lever d is inserted in the left half portion of the top wall c in the width direction. , And a large number of substantially square windows f 1, f 2, ... Arranged in the longitudinal direction are formed in the right half portion.

Reference numeral g is an illumination filter made of a transparent plate, and on its upper surface, short convex portions h formed with the same arrangement pitch and size as the windows f, f, ... are formed, and display elements i, i, ... Corresponding to various shift ranges are formed by an opaque coating film or the like on the upper surface of the convex portions h, h ,. .

The illumination filter g is attached to the inner surface of the display panel b in a state in which the convex portions h, h, ... Are fitted from the inside into the windows f, f, ... It

Reference numeral j denotes a relatively deep box-shaped housing having an open top surface, and light bulbs k, k are arranged at both ends of the bottom of the housing j.

The bulb housing j is fixed inside the display panel b so that the upper surface opening thereof is closed by the illumination filter g.

Then, the projections h, h, ... Of the illumination filter g are emitted by the light from the light bulbs k, k passing therethrough, whereby the display elements i, i ,. Is displayed.

The illumination filter g and the bulb housing j are fixed to the display panel b by, for example, ultrasonic welding or adhesion.

[0011]

[Problems to be solved by the device]

 However, the above conventional display device a has the following problems.

That is, since some gaps are inevitably formed between the inner peripheral edges of the windows f, f, ... Of the display panel b and the convex portions h, h ,. There was a problem that dust and the like were clogged in the gaps, and the appearance of the surface of the display device a deteriorated over time.

Further, a slight step is inevitable between the upper surface of the display panel b and the upper surfaces of the convex portions h, h, ... Due to the processing accuracy of these members. There is a problem that the saw deteriorates the appearance of the display device a.

Further, since such a display device a is constructed by assembling at least three independent members, that is, the display panel b, the illumination filter g, and the valve housing j, there is a problem that it takes time to manufacture. It was

[0015]

[Means for Solving the Problems]

 Therefore, in order to solve the above-mentioned problems, the display device of the present invention has an opaque film formed on one surface of a translucent plate material, and a part of the opaque film is removed to form a translucent part. The formed outer panel has a light-transmitting hole formed in a portion corresponding to the display portion including the light-transmitting portion of the outer panel, the light-transmitting hole being formed so as to overlap with the back surface of the outer panel. An opaque inner panel integrally formed with a peripheral wall protruding from the peripheral edge toward the side opposite to the outer panel is formed by two-color molding, and a light source is arranged in a portion surrounded by the peripheral wall.

[0016]

[Action]

 Therefore, according to the display device of the present invention, since the light-transmitting light-transmitting portion and the other opaque portion of the display portion of the outer panel are integrally formed, the light-transmitting portion and the other opaque portion are provided between the light-transmitting portion and the other portion. There are no steps or gaps, and therefore the display is not clogged with dust or the like and does not look bad.

Further, since the inner panel integrally formed with the peripheral wall surrounding the light source and the outer panel formed with the display portion are integrally formed by two-color molding or two-layer molding, at least these outer panel and inner side are formed. Since the panel and the peripheral wall are manufactured in the form of a single part, the labor for assembling these members can be omitted, and the display device can be easily manufactured correspondingly.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the display device of the present invention will be described below with reference to the embodiments shown in the accompanying drawings.

In the embodiment shown in the drawings, the display device of the present invention is applied to the shift range display device 1 of an automatic vehicle.

The display device 1 includes an outer panel 2, an inner panel 3 positioned so as to be superposed on the back surface of the outer panel 2, a light emitting unit 4 attached to a predetermined position of the inner panel 3, and the like. Become.

The outer panel 2 is in the front-rear direction (the direction toward the upper right in FIG. 1 is the front side, the direction toward the lower left is the rear side, and the direction toward the upper left in the same figure is the left side, and the lower right direction). The main portion 5 having a long rectangular flat plate shape and the outer peripheral wall 6 vertically extending downward from the outer peripheral edge thereof are made of a transparent synthetic resin, for example, black smoke color. It is integrally formed of polycarbonate.

Reference numeral 7 denotes a rectangular area (hereinafter, referred to as a “display portion”) located in a portion of a substantially right half of the main portion 5 of the outer panel 2 except a front end portion thereof and a rear side approximately ⅔ thereof. ), And a position display and an index described later are formed on the display section 7, and the back surface of the display section 7 is irradiated with light from a light source described below.

Reference numeral 8 denotes an elongated hole formed in a portion of the main portion 5 excluding the front end portion of the left half portion and having a rectangular shape elongated in the front-rear direction.

The inner panel 3 has an outer shape slightly smaller than the outer panel 2 by integrally forming each part with an opaque synthetic resin, for example, black polycarbonate, so that the inner panel 3 is superposed on the inner surface of the outer panel 2. Is located in.

That is, the inner panel 3 has a plate-shaped main portion 9 that is approximately one size smaller than the main portion 5 of the outer panel 2, and an outer peripheral wall 10 that extends substantially downward from the outer peripheral edge thereof.

A long hole 11 having the same size as the long hole 8 is formed in the left half portion of the main portion 9, that is, at a position corresponding to the long hole 8 formed in the outer panel 2, and the long hole 11 is formed. A light transmitting portion 12 is formed on the right side of the hole 11 and corresponding to the display portion 7 of the outer panel 2, and a peripheral wall 13 is provided so as to extend downward from the peripheral edge of the light transmitting portion 12.

In the translucent portion 12, six rectangular holes 14, 14 arranged in the front-rear direction (hereinafter referred to as “index illumination window”) and the index illumination window 14, Another elongated hole 15 (hereinafter referred to as "range lighting window") that is long in the front-rear direction is formed on the right side of 14, ... It has a long rectangular shape.

The peripheral wall 13 is provided so as to extend downward from the peripheral edge of the transparent portion 12 of the main portion 9 of the inner panel 3, and the space surrounded by the peripheral wall 13 is further divided by the following wall portions. ing.

That is, 16 is a heterogeneous member formed so as to connect a position of the peripheral wall 13 that is located to the left of the center of the front side wall 13a and a position that is located to the left of the center of the rear side wall 13b. This is a display partition wall, and the upper surface opening of the right half 17 of the space surrounded by the peripheral wall 13 (hereinafter, referred to as “light source arrangement space”) is thereby used as the range illumination window 15.

Reference numerals 18, 18, ... Are index display partition walls formed so as to connect the left side wall portion 13c of the peripheral wall 13 and the different type display partition wall 16, and are surrounded by the peripheral wall 13. The left half portion of the space is partitioned into six in the front-rear direction, and the upper surface openings of the respective spaces 19, 19, ... (Hereinafter referred to as “LED arrangement space”) are the above-mentioned window 14 for indicator illumination. 14, ...

Denoted at 20, 20, ... Are notched portions of the upper ends of the display partition walls 18, 18, ... That correspond to the front and rear edges of the respective index illumination windows 14, 14 ,. It is a step surface formed so as to face upward.

The outer panel 2 and the inner panel 3 as described above are integrally formed by two-color molding, and the inner panel 3 is positioned such that its main portion 9 is superposed on the inner side surface of the main portion 5 of the outer panel 2. It

Thus, the main parts 9 and the peripheral wall 13 of the outer panel 2 and the inner panel 3 are formed as a single part as a whole, and the long hole 8 of the outer panel 2 and the long hole 11 of the inner panel 3 are formed. Is formed with a lever insertion hole 22 for inserting the shift lever 21 (see FIG. 1), and the upper side of the index illumination windows 14, 14, ... And the range illumination window 15 is the outer panel 2. It is covered by the main part 5.

After the outer panel 2 and the inner panel 3 are integrally formed, the following coating is applied to the outer surface of the outer panel 2.

First, the area corresponding to the range lighting window 15 on the outer surface of the outer panel 2 is coated with a coating 23 as a background color of a position display described later, for example, a white semitransparent coating 23. Then, an opaque decorative coating 24, for example, a black coating is applied to the entire outer surface including the area.

Then, the opaque coating 24 is removed from a predetermined portion of the display portion 7 by the laser cutting method, whereby the display portion 7 has six position indications 25, 25, which indicate respective shift ranges. , And six indicators 26, 26, ... Corresponding to the position indications 25, 25 ,.

The indicators 26, 26, ... Have a small rectangular shape that is long in the left-right direction, and these indicators 26, 26, ... Approximately the center of each of the indicator illumination windows 14, 14 ,. Are formed by removing the paint 24 on the portion located at the position of the range illumination window, and the position indicators 25, 25, ... Are the indicators 26, 26 ,. It is formed by removing the coating 24 corresponding to each part.

.. and the indicators 26, 26, ... Are made transparent and the other areas are made opaque.

The light emitting part 4 includes a bottom plate 27 that closes the lower end opening surface of the peripheral wall 13, and two light bulbs 28, 28 arranged at both front and rear ends of the right half of the bottom plate 27 so as to project to the upper surface thereof. And a light guide 29 arranged in the right half of the bottom plate 27 in a region including the light bulbs 28, and arranged in the left half of the bottom plate 27 in the front-rear direction so as to project to the upper surface thereof. It is composed of six LEDs (light emitting diodes) 30, 30, ....

The light guide body 29 is made of a transparent synthetic resin, for example, an acrylic synthetic resin, and has valve arrangement holes 29a, 29a penetrating in the vertical direction at both front and rear ends of a thick plate-like body which is long in the front-rear direction. In addition to being formed, the lower surface 29b is formed as a reflecting surface that is inclined so that the central portion in the front-rear direction is most recessed, and the bottom plate 27 with the glass bulb portions of the light bulbs 28, 28 positioned in the bulb disposing holes 29a, 29a. Fixed to.

Then, when the bottom plate 27 is fixed to the peripheral wall 13, the light guide 29 and the light bulbs 28, 28 are located in the light source arrangement space 17 of the peripheral wall 13, and the LEDs 30, 30, ... Are arranged in the arrangement spaces 19, 19 ,.

.. are diffused in the form of a flat plate which has a light-transmitting property and is colored in a predetermined color and is substantially the same as or slightly smaller than the opening shape of the respective index illumination windows 14, 14 ,. The filter is formed with locking claws 31a, 31a projecting downward in the central portions of the front and rear edges thereof, and the locking claws 31a, 31a are formed on the display partition walls 18, 18 ,. Are arranged so as to close the upper surface openings of the index illumination windows 14, 14, ... By being locked to the step surfaces 20, 20 ,.

The diffusion filter 31 is inserted from below the index illumination window 14 before the bottom plate 27 of the light emitting section 4 is fixed to the peripheral wall 13, and is positioned so as to cover the upper opening of the index illumination window 14. It Further, since the diffusion filter 31 is inserted into the index illumination window 14 while the locking claws 31a and 31a thereof are pressed against the inner surface of the index illumination window 14, the diffusion filter 31 and the display partition walls 18 and 18 are inserted. , Are in a slightly deformed state, but when the locking claws 31a, 31a are positioned on the step surfaces 20, 20 at the upper end of the target illumination window 14, the deformation of the diffusion filter 31 is returned. Be done.

Then, when the light bulbs 28, 28 are turned on, a part of the light is directly transmitted through the semi-transparent paint 23 and the position indicators 25, 25 located at the front and rear ends, and a part of the other light. Is incident on the light guide body 29 and internally reflected on the reflection surface 29b thereof, and then is transmitted through the semi-transparent paint 23 and other position indications 25, 25, ... The position indications 25, 25, ... Are emitted in the color of the semitransparent paint 23.

Further, when the LEDs 30, 30, ... Are lit, the light is reflected by the diffusion filters 31, 31, ..., And the indexes 26, 26 ,. The light is transmitted and emitted upward from the display unit 7, whereby the indicators 26, 26, ... Are luminescently displayed in the color possessed by the diffusion filters 31, 31 ,.

The LEDs 30, 30, ... Are selectively arranged to emit light at positions corresponding to the movement of the shift lever 21.

[0047]

[Effect of device]

 As is clear from the above description, in the display device of the present invention, an opaque film is formed on one surface of a light-transmissive plate material, and a part of the opaque film is removed to transmit the light. An outer panel having a portion formed therein, and an opaque inner panel having a light transmitting portion formed at a portion of the outer panel facing the display portion including the light transmitting portion, the light transmitting portion being formed so as to overlap the back surface of the outer panel. And a light source arranged to face the light transmitting portion of the inner panel, wherein the inner panel has a peripheral wall integrally formed on the periphery of the light transmitting portion on the side opposite to the outer panel. The light source is arranged in a portion surrounded by, and the outer panel and the inner panel are integrally formed by two-color molding of synthetic resin.

Therefore, according to the display device of the present invention, since the light-transmitting light-transmitting portion and the other opaque portion of the display portion of the outer panel are integrated, the light-transmitting portion and the other portion are There is no step or gap between them, so that the display part will not be clogged with dust or the like and will not look bad.

Since the inner panel integrally formed with the peripheral wall surrounding the light source and the outer panel formed with the display section are integrally formed by two-color molding or two-layer molding, at least these outer panel and inner Since the panel and the peripheral wall are manufactured in the form of a single part, the labor for assembling these members can be omitted, and the display device can be easily manufactured correspondingly.

In the above embodiment, the light from the light source is guided to the display section by using the light guide, but by doing so, the light from the light source is substantially distributed to all the display sections. Since the light can be uniformly emitted and the light source can be arranged in the vicinity of the inner panel, the height of the peripheral wall can be reduced correspondingly, and thus the display device can be made thin.

Further, in the above embodiment, the invention is applied to the shift range display device of an automatic vehicle, but the invention is not limited to such a device, and can be applied to various light emitting display devices. Can be applied.

In addition, the structure or shape of the outer panel, the inner panel and other parts shown in the above embodiments are merely examples of the embodiment for carrying out the present invention. The technical scope of the device should not be limitedly interpreted.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing an example of application of the display device of the present invention to a display device for displaying a shift range of an automatic vehicle.

FIG. 2 is an enlarged plan view of the whole.

3 is an enlarged cross-sectional view taken along the line III-III in FIG.

FIG. 4 is an enlarged cross-sectional view taken along the line IV-IV of FIG.

5 is an enlarged cross-sectional view taken along the line VV of FIG.

FIG. 6 is a perspective view of the outer panel showing a state before an opaque film is formed.

FIG. 7 is a perspective view of an inner panel.

FIG. 8 is an exploded perspective view of a light emitting unit.

FIG. 9 is a perspective view showing an example of a conventional display device.

10 is an enlarged cross-sectional view taken along the line XX of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 display device 2 outer panel 3 inner panel 7 display unit 12 light transmitting unit 13 peripheral wall 24 opaque film 25 light transmitting unit 26 light transmitting unit 28, 29 light source 30 light source

Claims (1)

[Scope of utility model registration request] 1. An outer panel in which an opaque film is formed on one surface of a translucent plate material, and a translucent portion is formed by removing a part of the opaque film, and a back surface of the outer panel. An opaque inner panel having a transparent portion formed in a portion of the outer panel facing the display portion including the transparent portion, and an opaque inner panel disposed to face the transparent portion of the inner panel. A peripheral wall integrally formed on the periphery of the translucent portion on the side opposite to the outer panel, and the light source is disposed in a portion surrounded by the peripheral wall. A display device, wherein the panel and the inner panel are integrally formed by two-color molding of synthetic resin.