JP2006337807A - Display - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display which can prevent lowering of the attentions of people in a simple configuration even under a dark environment, such as at nighttimes. <P>SOLUTION: This display 20 has a main display 12 with 1st LEDs arranged, an LED group 11 with 2nd LEDs arranged surrounding the main display, and an outer frame 13. The optical axis of the 2nd LEDs is set in the direction of the outer frame 13, and the surface of the outer frame 13, receiving the light from the 2nd LEDs, is made to form an angle of 45° with the optical axis. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a display device that arranges a plurality of LED light emitters in a matrix and displays characters, figures, and the like.

  2. Description of the Related Art Conventionally, a display device in which a plurality of LED light emitters are arranged in a matrix and characters and figures are displayed by controlling blinking of the individual LED light emitters is installed at a storefront or the like in a shopping street for advertising purposes.

  In addition, in order to increase the attention level of the observer, some display devices not only display characters on the display unit, but also arrange a plurality of LED light emitters in a space other than the display unit to flash light. There is also.

  FIG. 4 is an external view of such a display device. As shown in FIG. 4, the display device 1 includes a plurality of LED light emitters arranged in a matrix and displays a character and a figure. 2, a sub display unit 4 in which a plurality of LED light emitters are arranged so as to surround the periphery of the main display unit 2 in order to make the display content of the main display unit 2 stand out, and an outer frame 3 (for example, Patent Document 1).

  Further, the internal configuration of such a display device includes a display substrate 7 on which a plurality of LED light emitters constituting the main display unit 2 and the sub display unit 4 are arranged, as shown in the cross-sectional view of the main part of FIG. A substrate 9 on which a control unit for performing blinking control of individual LED light emitters is mounted, and a transparent resin cover 5, and the display substrate 7 is placed on a metal back plate 8 via a holder 10. It is fixed.

Further, in recent years, not only a point-emitting LED light emitter is disposed on the sub display unit, but also a translucent cover for diffusing light is disposed above the LED light emitter of the sub display unit. There has also been proposed a display device that further enhances the degree of attention by making the light emission of (2) increase.
JP 2001-147663 A JP 2004-294687 A

  However, in the conventional configuration described above, in view of the appearance of the display device, it may be installed in a bright time zone such as daytime or in a bright place, but in the dark environment at night, the sub display The part is visible on the outermost side and looks smaller than the size of the original display device including the outer frame of the outer frame, so there is a problem that the degree of attention decreases when viewed from the observer, and the passerby There is also a problem of accidental contact.

  As a means for solving the above-mentioned problem, a configuration in which the LED light emitter of the sub display unit is arranged close to the outer frame of the outer frame by the technique described in Patent Document 2 can be considered, but the configuration becomes complicated. There is a problem in terms of cost.

  In view of the above problems, an object of the present invention is to provide a display device that can prevent a reduction in the degree of attention without causing the display device to appear small even at night with a simple configuration.

  In order to achieve the above object, the invention according to claim 1 of the present invention includes a main display unit including a plurality of first LED light emitters for displaying characters and figures, and a plurality of second LED light emitters. A display device comprising a group of LED light emitters arranged so as to surround a main display portion, and an outer frame, wherein the outer frame has a reflective surface, and the reflective surface is the second LED light emitter. Is a display device that reflects light from the first LED light-emitting body in the optical axis direction.

  According to such a configuration, since the reflection surface of the outer frame of the display device reflects the light of the second LED light emitter, the size of the display device is not recognized small even at night.

  According to a second aspect of the present invention, a main display unit that includes a plurality of first LED light emitters and displays characters and figures, and a plurality of second LED light emitters surround the main display unit. A display device comprising a group of arranged LED light emitters and an outer frame, wherein the first light emitter and the second light emitter are arranged on different surfaces of the same substrate, and the outer frame is a reflective surface The reflective surface is a display device that reflects light from the second LED light emitter in the optical axis direction of the first LED light emitter.

  According to such a configuration, since the reflection surface of the outer frame of the display device reflects the light of the second LED light emitter, the size of the display device is not recognized small even at night, and the same Since it can arrange | position on a board | substrate, cost can also be held down.

  According to a third aspect of the present invention, in the invention according to the first or second aspect, the reflective surface of the outer frame is uneven.

  According to such a configuration, since the reflected light is scattered, the degree of attention can be further improved.

  As described above, the display device of the present invention can reflect the light from the LED light emitter by the outer frame and make it appear as if the outer frame is emitting light. Compared to the above, it can look larger in dark environments such as at night.

  In addition, according to the display device of the present invention, the degree of attention can be improved with a simple configuration without using a translucent cover.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  In the description of the drawings, the same components as those in the prior art are denoted by the same reference numerals and description thereof is omitted.

(Embodiment 1)
FIG. 1 is a cross-sectional view showing a first embodiment of a display device according to the present invention, and FIG. 2 is a main part for explaining a light reflection direction according to the first embodiment of the display device of the present invention. It is sectional drawing.

  As shown in FIG. 1, the display device 20 of the present invention surrounds a main display unit 12 in which a plurality of first LED light emitters for displaying characters and figures are arranged, and a periphery of the main display unit. The LED light emitter group 11 in which a plurality of second LED light emitters are arranged, a transparent resin cover 17, and an outer frame 13 are provided.

  Here, the second LED light emitters constituting the LED light emitter group 11 are arranged on the substrate 15 such that the optical axis is in the direction of the outer frame 13, and the second LED light emitters of the outer frame 13 are separated from the second LED light emitters. The surface on which the light strikes has a shape that forms an angle of 45 ° with respect to the optical axis. For example, the reflective surface 13a is formed by performing chrome plating.

  With the above configuration, as shown in FIG. 2, the light A from the second LED light emitters constituting the LED light emitter group 11 is reflected as the reflected light B by the reflective surface 13a of the outer frame 13 in the display direction (first 1 is reflected in the direction of arrow C, which is the direction of the optical axis of the LED illuminator, and when viewed from the observer, it looks as if the outer frame 13 is emitting light, and the display device can be used in a dark environment such as at night. In addition to the fact that the size of 20 does not appear to be small, it is possible to prevent a passerby from making an accidental contact.

  In the above description, the reflective surface 13a has been described as being subjected to chrome plating. However, the present invention is not limited to this, and the same effect can be obtained even if the reflective surface 13a is formed by attaching a reflective sheet.

  Moreover, since the reflected light B is mixed by forming the surface of the reflective surface 13a in a concavo-convex shape, it looks as if it is surface light emission, and the degree of attention can be further improved.

  In the above description, the angle of the outer frame 13 is set to 45 °. However, the optical axis of the reflected light can be easily changed by changing this angle.

(Embodiment 2)
FIG. 3 is a cross-sectional view of a main part showing a second embodiment of the display device of the present invention.

  As shown in FIG. 3, the display device 30 includes a main display unit 21 in which a plurality of first LED light emitters for displaying characters and figures are arranged on a substrate 27, and a first light emitter. An LED light emitter group 23 in which a plurality of second LED light emitters are arranged so as to surround the periphery of the main display portion 21 on a surface opposite to the formed surface, a transparent resin cover 25, and an outer frame 22. And.

  Here, the second LED light emitters constituting the LED light emitter group 23 are arranged on the substrate 27 such that the optical axis is in the direction of the outer frame 22, and the second LED light emitters of the outer frame 22 are separated from the second LED light emitters. The surface on which the light hits is shaped so as to have an angle of 45 ° with respect to the optical axis. For example, the reflective surface 22a is formed by performing chrome plating.

  With the above configuration, the light D from the second LED light emitters constituting the LED light emitter group 23 is reflected by the reflective surface 22a of the outer frame 22 as reflected light E in the direction of the arrow C, which is the display direction, The effect similar to the structure demonstrated in 1st Embodiment can be acquired, and since the 2nd LED light-emitting body becomes invisible from an observer, it is excellent also in terms of beauty.

  The present invention is a technique useful for a display device that includes a plurality of LED light emitters and performs display.

Sectional drawing which shows 1st Embodiment of the display apparatus of this invention. Sectional drawing of the principal part of 1st Embodiment of the display apparatus of this invention. Sectional drawing which shows the principal part which shows 2nd Embodiment of the display apparatus of this invention. External view of conventional display device Sectional view of the main part of a conventional display device

Explanation of symbols

  1, 20, 30 Display device

Claims (3)

A main display section that includes a plurality of first LED light emitters and displays characters and figures, an LED light emitter group in which a plurality of second LED light emitters are arranged to surround the main display section, and an outer frame The outer frame has a reflective surface, and the reflective surface reflects light from the second LED light emitter in the optical axis direction of the first LED light emitter. Characteristic display device. A main display unit that includes a plurality of first LED light emitters and displays characters and figures, an LED light emitter group in which a plurality of second LED light emitters are arranged so as to surround the main display unit, and an outer frame The first light emitter and the second light emitter are disposed on different surfaces on the same substrate, the outer frame has a reflective surface, and the reflective surface is A display device, wherein light from the second LED light emitter is reflected in an optical axis direction of the first LED light emitter. The display device according to claim 1, wherein the reflection surface of the outer frame is uneven.

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