JP3091314U - Display device - Google Patents

Abstract

(57) [Summary] [Object] To provide a display device with a high attention effect and excellent color development in a display device in which a light emitting element on a display panel is illuminated by a separate lighting means. A display panel is formed by arranging a plurality of light emitting elements thereon, and in a display device that emits light of characters, pictograms, and the like by selectively emitting light from the light emitting elements, a lighting unit that emits colored light is provided near the display panel. The display panel and the illuminating means are surrounded by a cover body which is colored while having translucency. The cover body forms a part of the display device housing, and the light emitted when the illuminating means is turned on is transmitted through the cover body while illuminating the display panel, and is emitted around the display device.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention arranges a plurality of light emitting elements on a printed wiring board and selectively selects each light emitting element. The present invention relates to a device for displaying a predetermined character, figure, symbol, pattern or the like by illuminating.

[0002]

[Prior art]

  Conventionally, light emitting elements such as LEDs are placed on a printed wiring board and the light emitting elements are turned on and off. 2. Description of the Related Art There is known a device that emits a display pattern such as characters by emitting light when moving. This species In addition to the information transmission function, these devices are equipped with a device to raise the attention of the display. Since the decoration function is required, the applicant has already issued the display device shown in Japanese Patent No. 3235949. Revealed The display device according to the present invention is configured by arranging LEDs on a printed wiring board. A light source of different emission color is placed around the LED panel, and the light source emits light. A mixture of light color and light emitted by the LED, which has a large number of irregularities on the surface Display is performed from the opening through the cover.

[0003]

[Problems to be solved by the device]

  According to the above conventional example, the light emission color of the LED is set in the space illuminated by the light emission color of the light source body. It is possible to obtain a display effect as if the characters were highlighted by It was equipped with enough features. However, gradually over time Has become accustomed to, and recently it is not said that it has features that attract attention It is in.

[0004]   The present invention has been made to deal with such a problem, and the problem is Is it possible to provide a display device with an unprecedented epoch-making display effect? There is a point.

[0005]

[Means for Solving the Problems]

  (1) In order to solve the above problems, the present invention provides a multi-layered printed circuit board. A number of light emitting elements are arranged to form a display panel, and the light emitting elements are selectively made to emit light. In a display device that displays characters and pictorial symbols with and, Illumination provided on the left and right to illuminate the light emitting element array surface on the display panel and its surroundings. Means, and the display panel and the illuminating means made of a translucent material are formed inside. The cover body to cover while accommodating in the space A control hand for controlling the blinking of the light emitting element of the display panel and for controlling the lighting of the lighting means. And a light emitted from the lighting means is transmitted through the cover body when the lighting means is turned on. Light is emitted in the front direction of the display panel, and at the same time it follows the surface shape of the cover body. We propose a display device characterized by vertical and horizontal illumination. .

[0006]   (2) In the display device proposed above, the cover body is formed into a curved surface and It is desirable to integrally provide a surface that is substantially parallel to the surface and a surface that is substantially perpendicular to the surface.

[0007]   (3) Further, in the display device proposed in the above (1) and (2), the cover body is transparent. It is desirable that it is colored.

[0008]   (4) Further, in the display device proposed in the above (3), the emission color of the illumination means and the color of the cover body. It is desirable that and are different color combinations. Specifically, the light emission of the lighting means A combination of blue color and lavender color cover body, or light emission of lighting means A combination of a greenish color and a yellowish cover is more desirable.

[0009]

[Action]

  According to the above proposal, the light emitted from the illumination means illuminates the light emitting display surface of the display panel. The front side of the display device through the cover body and at the same time the cover body is irradiated. It is also irradiated in the vertical and horizontal directions according to the surface shape of the. Therefore the lighting means When lit, the entire cover body emits light, and the letters on the surface of the light emitting element stand out. Is recognized. In addition, the cover body is substantially perpendicular to the surface that is substantially parallel to the display panel. Since it is formed into a curved surface that integrally includes up to various surfaces, Light is emitted from the front of the housing to the upper and lower surfaces, or from the back to the upper and lower surfaces. Well In addition, the cover body is colored while maintaining translucency, and is assembled in a color different from the light emission color of the lighting means. This is different from when the cover body simply emits light when the lighting means is turned on. A vivid color is obtained.

[0010]

【Example】

  An embodiment of the present invention will be described below with reference to the drawings. Figure 1 is a table related to the example It is explanatory drawing which shows the external appearance of the main body of the indicating apparatus. 1 is a main body frame, and on the upper side in the figure Only the hitting surface appears, but a frame that surrounds the top, bottom, left, and right sides in a square shape and is open in the front-back direction It consists of a body. Reference numerals 2 and 2 denote a pair of side plates, which are provided on both sides of the display device main body (housing). It is attached to the body frame 1 from the left and right so as to cover it. 3,3 was the cover body Attach the display cover to the main unit frame 1 so that it covers the front and rear of the display unit. Has been. This display cover is colored with translucency, and the translucent material has a half-mirror. -Coating, completely opaque coloring, etc. can be applied. Retains translucency If the colored treatment is applied, the structure inside the display cover can be confirmed through the colored translucent plate. It becomes a through-type housing, and if a half mirror coating is applied, it will The enclosure changes its appearance depending on the brightness of the surrounding area and the brightness of the inside of the display device. You That is, if the display area is brighter than the inside, the surface of the display cover looks like a mirror. To reflect the surrounding scenery, and if the inside of the display is brighter, the The structure is a see-through type that can be seen from the outside. It also supports the display panel described later. The surface to be removed is removed in the form of a square window, and the remaining surface is given an opaque coloring treatment or an opaque material. If used, it becomes a housing that emits light only through the rectangular display window corresponding to the display panel. . In this embodiment, of these, coloring was performed while maintaining the light-transmitting property (color coloring and transparent). An example will be described. Reference numeral 4 denotes a display unit, which emits light such as an LED inside the display cover 3. Display contents consisting of characters, pictograms, etc., in which the elements are arranged in a dot matrix According to the above, each LED is selectively controlled to emit light. In this embodiment, 16 horizontal x 16 vertical 4 full-width characters can be displayed horizontally in a matrix The matrix is composed of 64 × 16 dots. It does not appear in the drawing However, this display unit 4 is also provided in a pair, and the display device as a whole is displayed in the double-sided direction. It is possible to show.

[0011]   Next, the internal structure of the display device body will be described with reference to FIG. In addition, this Figure 2 It is explanatory drawing which showed the AA cross section of FIG. 5 and 5 are fixed flaps whose cross section is approximately U-shaped. It is a ram, and the main body frame with the open sides of the U-shape facing from the top and bottom It is fixed inside 1. 6 is the output of display control data from the storage of display contents. A pair of facing each other with a control board that is a control means that controls the operation of the entire display unit up to the force. Of the fixed frames 5 and 5 while being housed in the space formed by these fixed frames. Is determined. 8 is an LED panel which is a display panel, and is LE on the printed wiring board. Ds are arranged in a dot matrix, and the fixed frames 5 and 5 are directed to the display unit 4 direction. The drive board 7 is fixed to the stud bolts erected on the. In addition, The control board 6, the drive board 7, and the LED panel 8 are also electrically connected in this order. The display control signal output from the control board 6 is driven according to the registered program for It is output to the substrate 7 and the driving panel 7 displays the LED panel according to the display content. A blinking drive signal is output to each of the LEDs. 9a and 9b are lighting means, In this embodiment, a color fluorescent lamp having a monochromatic emission spectrum is used as the upper edge of the LED panel 8. And arranged along the lower edge. The upper color fluorescent lamp 9a is an LED panel 8 is closer to the display unit 4 of the display cover 3 than the top of the LEDs arranged on the display unit 8, and the display unit is 4 is placed in a position where it does not overlap with the LEDs arranged in a dot matrix when viewed from the front. Placed. The lower color fluorescent lamp 9b is also arranged in the same positional relationship. Display cover 3 is a main body flap so as to form a predetermined space between the display section 4 and the LED panel 8. The transparent display window portion is bulged from the upper side to the lower side of the frame 1, After extending from the body frame 1 in a direction substantially perpendicular to the LED panel 8, The LED panel has a gentle curved surface over the part that covers the color fluorescent lamps 9a and 9b. The portion of the display portion 4 that is substantially parallel to the rule 8 is formed in a substantially flat shape. 10a, 10 Reference numeral b is a lighting cover made of a milky white translucent resin and formed on the display cover 3. The color fluorescent lamps 9a and 9b and the display cover 3 are curved with substantially the same curvature as the curved surface portion. Intervenes between. With this lighting cover, the fluorescent lamp can be viewed from the outside of the display cover 3. It prevents the see-through, and once receives the direct light emitted by the fluorescent lamp with this cover. Bring it closer to the surface emitting state.

[0012]   With such a configuration, the upper and lower color fluorescent lamps 9a and 9b emit light, and the LE The D panel 8 is illuminated by the emission color emitted by the fluorescent lamp, and the LED panel 8 and the display cover 3 The light of the LED and the light of the color fluorescent lamp are mixed in the space formed between the display unit 4 and the display unit 4. Therefore, a characteristic display effect can be obtained. Figure 3 shows the display effect as an image. is there. Shown in the figure is that the display unit is mounted on a mobile platform with a trolley and the display unit is 4 is the state seen from the front, and the display device is attached to the pair of columns provided on the movable base. The left and right side plates 2 and 2 are fixed respectively. By the LED panel 8 on the display unit 4, The three letters "in operation" are displayed in a light emitting state, and the display cover 3 is illuminated by the light of the color fluorescent lamp. Light emission is shown in thin ink along the surface shape. At this time, the table If the display cover 3 is a translucent coloring treatment, the color light emitted by the color fluorescent lamp is illuminated. -10a, 10b-Transmitting the display cover 3, the display section 4 and its periphery are colored fluorescent lamps. The color light of and the color of the display cover are mixed to emit light. Of course, for color fluorescent lights Various color combinations can be considered for the emission color and the colored portion of the display cover 3. For example, Color of the fluorescent display is green and the colored part of the display cover 3 is yellow (lemon yellow) By doing so, the periphery of the display unit 4 is recognized as yellow fluorescent light emission, and the color fluorescent lamp is changed to blue. If the colored portion of the display cover 3 is lavender-colored, the display portion 4 is surrounded by soft bluish purple. Recognized as a color.

[0013]   Next, the main part of the LED panel 8 will be described with reference to FIG. 8a is glass epoxy A printed wiring board made of resin, etc., and various electronic components mounted on the board surface Wiring pattern corresponding to, through hole for inserting terminals of electronic parts, electronic parts Pads for mounting terminals are provided, and the entire surface of the board (at least the LED mounting surface) ) Is white silk printed. 11 is a through-hole on the printed wiring board 16x1 which corresponds to one full-size character in the figure. They are arranged in a 6-dot matrix. 12 shown in the enlarged explanation part is through This is a hole and is not used in this embodiment. When the LEDs for decorative emission are scattered, the decorative L is placed in the through hole 12. ED is implemented. Reference numeral 14 is a fixing hole for the LED panel. It is fixed to a stud bolt that is erected on the fixed frame 5. 13 is a white silk surface It is a black shaded pattern printed on the top.In this example, the stripes are aligned in the vertical direction of the substrate. The pattern consists of multiple dotted lines. At this time, the points that make up the dotted line The adjacent dotted lines are shifted vertically so that every other line is lined up side by side. The dots are arranged evenly and evenly on the printed wiring board. I am trying. Also, in the vicinity of unused through holes that remain on the board, The density is reduced, that is, the dots are thinned out and printed at a specified distance. When you look at it, the printed wiring board will be recognized as a uniform gray color is doing. By carrying out the halftone printing in this way, the color printed on the white printed surface. Reflects the colored light emitted from the light lamps 9a and 9b, and at the same time, with a black printed surface as a dotted line. Absorbs light. Therefore, the viewing distance (dot matrix) that functions as a display device Color firefly when viewed from the distance that can be seen as letters or pictograms when the flashing The light of the light is recognized as the background color without changing from the color of the light source, and the light from the LED is illuminated. The effect of ambient light on the emitted light is reduced, and the visibility of light emission is improved in bright surroundings. Of.

[0014]   The embodiments of the present invention have been described above, but the present invention is not limited to the above embodiments. However, various implementations are possible without departing from the scope of the claims. For example, Teru A combination of the color of light emitted from a color fluorescent lamp, which is the light means, and the color of the display cover 3, which is the cover body. The combination is not limited to the above embodiment, and other combinations may be used.

[0015]

[Effect of device]

  As described above, according to the present invention, it is possible to illuminate characters and the like on a display panel by light emission display. By turning on the means, it is as if the cover body occupies most of the display device housing. It emits light as a whole like surface emission. Therefore, the display panel on the surface of the housing that emits light. You can get a display effect that makes the letters of the letter stand out, and a novel and innovative display A device can be provided. Also, the color of the light emitted from the lighting unit and the color of the cover body may differ. Since it is combined with different colors, so-called internal lighting where the cover body is simply illuminated from the inside Unlike signs, it produces vivid colors.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing an appearance of a display device according to an embodiment of the present invention.

FIG. 2 is an explanatory view showing a cross section of a display device according to an embodiment of the present invention.

FIG. 3 is an explanatory view showing a state in which the display device according to the embodiment of the present invention is used.

FIG. 4 is an explanatory diagram showing a main part of an LED panel according to an embodiment of the present invention.

[Explanation of symbols]

1 body frame 2 side plates 3 Cover body display cover 4 Display 5 fixed frame 6 control board 7 Drive board 8 Display panel LED panel 8a Printed wiring board 9a, 9b Color fluorescent lamp as lighting means 10a, 10b lighting cover 11 LED as a light emitting element 12 through holes 13 shaded pattern

Claims (6)

[Scope of utility model registration request] 1. A display device configured to arrange a plurality of light emitting elements on a printed wiring board to form a display panel, and selectively display the light emitting elements to display characters, pictorial symbols and the like in a display device. Illumination means provided vertically or horizontally and irradiating light to the light emitting element array surface on the display panel and its periphery, and housed in a space formed of a translucent material inside the display panel and the illumination means While being provided with a cover body for covering and a control means for controlling blinking of the light emitting element of the display panel according to prestored contents and for controlling lighting of the lighting means, when the lighting means is turned on, the lighting means emits light. The transmitted light is transmitted through the cover body and radiated in the front direction of the display panel, and at the same time, the light is radiated vertically or horizontally along the surface shape of the cover body. Display device. 2. The display device according to claim 1, wherein the cover body is formed into a curved surface and integrally includes a surface substantially parallel to the display panel and a surface substantially vertical to the display panel. 3. The display device according to claim 1, wherein the cover body is colored while maintaining translucency. 4. The display device according to claim 3, wherein the luminescent color of the illumination means and the color of the cover body are different from each other. 5. The display device according to claim 3, wherein the illuminating means has a blue light source, and the cover body is made of a lavender light transmissive material. 6. The display device according to claim 3, wherein the illuminating means has a green light source, and the cover body is made of a yellow light transmissive material.