JP2005345934A - Frame body of image display device and image display device using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display plate frame and a display plate that enable the frame body itself of the display plate to emit light and can enhance the observer's attention. <P>SOLUTION: The frame body 40 is arranged at a peripheral edge of an image display device 100 which emits light for itself. In the frame body 40, a plurality of RGB-integrated type light-emitting diodes 51 are arranged in the extending direction of the frame body 40. The top-side surface of the frame material is provided with a display panel 60, which emits light from the RGB integrated type diodes nearly uniformly from an external surface and an end edge 66 which covers an end of an image display part emitting light for itself. Further, provided are light-emitting diode drive means 52 and 52 for changing light emission states of the RGB integrated type light-emitting diodes 51, according to arrangement position and with time. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a frame of an image display device and an image display device, and more particularly to a frame that is arranged around an image display unit that displays an advertisement screen or the like and that emits light.

2. Description of the Related Art Conventionally, display panels, particularly display boards that illuminate displayed images, are known. For example, as shown in FIG. 11, the display plate disclosed in Patent Document 1 is provided with a light incident hole 3 in a main body 2 fitted and attached to a frame body 1, and the front surface is closed with a half mirror part 4. A lid-like sticking part 5 with a display sheet A such as a photograph attached to the inner surface is attached to the opening, and a light part 6 for irradiating the display sheet A is provided. It is possible.
Japanese Patent Laid-Open No. 08-038320

  However, in the image display device described in Patent Document 1, the frame itself does not emit light, and only the image is illuminated in a dark place, so that it is difficult to attract the viewer's attention.

  In view of the above, an object of the present invention is to provide a display plate frame and a display plate that emit light from the frame itself of the display plate and can increase the degree of attention of the viewer.

  The problems to be solved by the present invention are as described above. Next, means for solving the problems are as follows.

  According to a first aspect of the present invention, there is provided a frame provided on the periphery of an image display unit on which an image is displayed, wherein the light emitting unit includes a plurality of light emitting diodes arranged along the extending direction of the frame, and the frame. A light diffusing member that constitutes a front side surface of the material and emits light from the outer surface substantially uniformly is provided.

  According to a second aspect of the present invention, in the image display device according to the first aspect, the light emitting diode is the RGB integrated light emitting diode.

  According to a third aspect of the present invention, in the frame of the image display device according to the first or second aspect, the light emitting diode driving means for changing the light emitting state of the diode according to the arrangement position and / or with time is provided. It is.

  According to a fourth aspect of the present invention, in the frame of the image display device according to any one of the first to third aspects, the light diffusing member is formed to protrude inward from the edge portion so as to cover the outer edge portion of the image display portion. It is characterized by that.

  According to a fifth aspect of the present invention, in the frame of the image display device according to the first to fourth aspects, the diffusing member includes one or more prism plates on which a large number of micro prisms are formed, and a scattering plate that scatters light. It is characterized by being configured.

  According to a sixth aspect of the present invention, there is provided an image display device comprising: an image display unit for displaying an image; and the frame according to any one of the first to fifth aspects.

  According to a seventh aspect of the present invention, in the image display device according to the sixth aspect, the frame member is arranged on at least one side of an image display unit displayed in a rectangular shape.

  According to an eighth aspect of the present invention, in the image display device according to the sixth or seventh aspect, the image display unit includes a transmissive image sheet and a light emitter disposed on the back side of the transmissive image sheet. It is what.

  According to a ninth aspect of the present invention, in the image display device according to the sixth or seventh aspect, the display surface section includes self-luminous image display means for displaying at least one of a still image and a moving image. .

  The invention of claim 10 is characterized in that the image display device according to any one of claims 6 to 9 is formed by joining two units so that the image display surfaces face each other.

  According to the present invention, the frame of the display panel itself emits light, and the degree of attention of the viewer can be increased. In addition, when the image display unit is self-luminous, the light diffusion member of the frame body covers the edge of the image display unit and emits light from the frame body to the image display unit without any breaks. to attract attention. Further, if the light emission state of the RGB integrated diode in the frame, for example, the light emission color of the frame is changed over time by the control means, the viewer's attention will be gathered more.

  Next, embodiments of the invention will be described. 1A and 1B are diagrams showing an image display device according to an embodiment of the present invention, in which FIG. 1A is a plan view, FIG. 1B is a front view, FIG. 1C is a side view, and FIG. FIG. 2E is a cross-sectional view taken along the line BB, FIG. 2 is an enlarged cross-sectional view showing a portion C of the image display device shown in FIG. 1, and FIG. 3 is an enlarged view showing a portion D of the image display device shown in FIG. 4 is a block diagram showing a drive system of a light emitting diode of the image ideographic apparatus shown in FIG. 1, and FIG. 5 is a perspective view showing the whole image display apparatus shown in FIG.

  In this example, as shown in FIG. 1, the image display device 100 is formed on a case 10, a surface panel 20 that is an image display device, a light source 30 housed in the case, and both sides of the case 10. The frame 40 is composed of a light emitting diode array 50 arranged in a line in the frame body 40 in the longitudinal direction of the frame body 40.

  In this example, as shown in FIG. 1 and FIG. 5, the image display device 100 is seen from the front side, and the case 10 and the frame body 40 are integrally formed and appear to emit light. The case 10 is made of a synthetic resin and has a rectangular bottom surface 11, rising portions 12 to 15 on each side, and an opening 16 and is formed in a substantially box shape. The light source 30 is provided in addition to the reflection plate 17 made of aluminum, and the surface panel 20 is attached to the opening 16. The shape of the rising portions 12 to 15 and the shape of the reflecting plate 17 can be appropriately changed so that the light from the light source 30 can be evenly irradiated.

  As shown in FIG. 2, the front panel 20 includes a transparent acrylic substrate 21, two prism sheets 22, 23, a diffusion sheet 24, a transparent acrylic intermediate panel 25, an image display film 26 displaying an image to be displayed, The transparent acrylic surface panel 27 is stacked.

  Here, the prism sheets 22 and 23 are transparent panels in which fine protrusions are continuously formed along one direction on one surface, and the prism forming directions of the two prism sheets 22 and 23 indicate the prism formation direction. It is orthogonal. One prism sheet may be used, and the angle of the prism forming direction of the two prism sheets can be set as necessary.

  The diffusion sheet 24 is a translucent sheet that scatters and diffuses light, and uniformly illuminates the image display film 26 with the light of the light source 30 together with the two prism sheets 22 and 23.

  In this example, the image display film 26 represents images and characters to be displayed on advertisements, photographs, posters and the like with a light transmissive ink or a non-transmissive ink on a transparent film. The light source 30 includes four cold cathode tubes (CCLF) 31 to 34 arranged in parallel and driven by a light source power source 35.

  As shown in FIG. 3, the frame 40 serves as a frame base 41 that is integrally projected outward from the rising portion 12 of the case 10, a mounting portion 48 to which the light emitting diode array 50 is attached, and a reflector 49. The reflector 42 and the front panel 60 are provided. The reflection plate portion 42 is formed by bending an aluminum plate material. The shape of the frame base 41 and the shape of the reflector 42 can be appropriately changed so that the light from the light emitting diode array 50 can irradiate the front panel 60 evenly.

  The front panel 60 has a structure in which a transparent acrylic substrate 61, two prism sheets 62 and 63, a diffusion sheet 64, and a transparent acrylic front panel 65 are stacked from the inside of the base. In addition to the curved shape, the edge 66 of the surface panel 60 on the surface panel 20 side projects so as to cover the edge of the surface panel 20.

  In this example, the prism sheets 44 and 45 and the diffusion sheet 46 have the same configuration as the prism sheets 22 and 23 and the diffusion sheet 24 of the front panel 20. With such a configuration, when the light emitting diode array 50 emits light, the front panel 60 appears to emit light evenly to the edge portion 66 of the front panel 60 without the shape of the internal light emitting diode array 50 being seen through.

  For this reason, when the front panel 20 is in a light emitting state and the frame body 40 is also in a light emitting state, a dark portion where no light is emitted does not occur, and there is no sense of disconnection in the light emitting state, giving an impression that the viewer has a sense of unity.

  The light emitting diode array 50 is composed of eight RGB integrated light emitting diodes 51-1 to 51-8 on each side, and is driven by light emitting diode driving means. In this example, as the light emitting diode driving means, as shown in FIG. 4, an LED driver 52 for independently driving each R, G, B light emitting unit of each RGB integrated light emitting diode, And a setting input device 53 for instructing the light emission state. In this example configured as described above, the RGB integrated light-emitting diodes 51-1 to 51-8 are set according to the setting input in advance to the setting input device 53 or automatically according to the arrangement position. Or it changes with time and light is emitted.

  For example, various colors can be displayed by changing the RGB light emission outputs of the RGB integrated light emitting diodes 51-1 to 51-8. In this state, the frame 40 can be freely displayed in white and intermediate colors by controlling the light emission state of the light emitting diode of each color in addition to the single color displayed by R (red), G (green), and B (blue). Can do.

  In addition, the left and right frames 40 may have different emission colors, or the color of the light emitting diode rows 50-1 to 51-8 may be changed to give gradation to the frame 40 in the vertical direction. Can do.

  Furthermore, the color, color arrangement, and gradation state of the RGB integrated light emitting diodes 51-1 to 51-8 can be changed over time.

  Next, an arrangement example of the image display apparatus 100 according to this example will be described. The image display device 100 described above forms the frame 40 on the side of the image display unit. On the other hand, as shown in FIG. 6, it is possible to form an image display device 200 by arranging frames on the upper and lower sides of the image display unit. A plurality of the image display devices 200 are arranged to display a character figure or the like as a whole. it can.

  Moreover, as shown in FIG. 7, the image display apparatus 100 mentioned above can be arranged vertically, and it can attach to the wall with the attachment metal fitting 110. FIG.

  Furthermore, as shown to Fig.8 (a), the leg part 120 and the installation stand 130 can be attached to the image display apparatus 100, and it can be set as a self-supporting type. Similarly, a leg 210 installation base 220 can be attached to the image display device 200 to form a self-supporting type. As shown in (c), the image display device 100 can be suspended from the ceiling by the hanging metal fitting 140.

  Further, in the present invention, as shown in FIG. 9, the image display device 300 is joined to the image display device 100 on the back surface, and the leg portion 310 and the installation base 320 are provided so that the display image can be observed from both the front and back sides. Can be.

  In each of the above examples, it has been described that the image is emitted by the transmissive image sheet and the light emitter disposed on the back side of the transmissive image sheet. However, the image display may not emit light by itself. . The display surface portion can be a self-luminous image display means for displaying a still image or a moving image, for example, a liquid crystal display device, a plasma display device, or an organic EL display device.

  Further, in this example, the image display unit is rectangular, and the frame material is provided on the top and bottom or the left and right. However, the frame material may be provided on four sides of the rectangular image display unit. Furthermore, the shape of the image display device may be any other shape such as a rhombus, other polygon, circle, or a shape surrounded by a curve, and a frame material may be disposed on the periphery thereof.

  Further, although eight light emitting diodes are arranged in a row to form a light emitting diode row, the number of light emitting diodes is not limited to eight, and the arrangement is not limited to a row. Further, in this example, the RGB integrated light emitting diode is used as the light source, but this can be changed as necessary, and a monochromatic or white light emitting diode can be used.

It is a figure which shows the image display apparatus which concerns on embodiment of this invention, (a) is a top view, (b) is a front view, (c) is a side view, (d) is AA sectional view, e) is a sectional view taken along line BB. It is a partial expanded sectional view of the image display apparatus shown in FIG. It is a partial expanded sectional view of the image display apparatus shown in FIG. It is a block diagram which shows the drive system of the light emitting diode of the image ideographic apparatus shown in FIG. It is a perspective view which shows the whole image display apparatus shown in FIG. It is a figure which shows the state which has arrange | positioned the image display apparatus of this invention in parallel. It is the state which has arrange | positioned the image display apparatus of this invention in the column. It is a figure which shows the example of the signboard which uses the image display apparatus of this invention. It is a figure which shows the other example of the signboard which uses the image display apparatus which concerns on another Example. It is sectional drawing which shows the image display apparatus which concerns on the past.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Case 11 Rectangle bottom surface 12-15 Standing part 16 Opening part 17 Reflecting plate 20 Front panel 21 Transparent acrylic board | substrates 22, 23 Prism sheet 24 Diffusion sheet 25 Transparent acrylic intermediate panel 26 Image display film 27 Transparent acrylic surface panel 30 Light sources 31-34 Cold cathode tube (CCLF)
35 Light Source 40 Frame 41 Frame Base 42 Reflector 44, 45 Prism Sheet 46 Diffusion Sheet 48 Attachment 49 Reflector 50 Light Emitting Diode Array 51 RGB Integrated Light Emitting Diode 52 LED Driver 53 Setting Input Device 60 Front Panel 61 Transparent Acrylic substrates 62, 63 Prism sheet 64 Diffusion sheet 65 Transparent acrylic surface panel 66 Front panel 20 side edge 100 Image display device 110 Mounting bracket 120 Leg portion 130 Installation stand 140 Hanging bracket 200 Image display device 220 Leg portion 210 Installation stand 300 Image Display Device 310 Leg 320 Installation Stand

Claims (10)

A frame provided at the periphery of the image display unit on which an image is displayed, the light emitting unit having a plurality of light emitting diodes arranged along the extending direction of the frame, and a front side surface of the frame member And a light diffusing member that radiates light from the outer surface substantially uniformly. 2. The image display device according to claim 1, wherein the light emitting diode is the RGB integrated light emitting diode. The frame of the image display device according to claim 1, further comprising: a light emitting diode driving unit that changes a light emitting state of the diode according to an arrangement position and / or with time. 4. The frame of the image display device according to claim 1, wherein the light diffusing member is formed to protrude inward from the edge so as to cover an outer edge of the image display. 5. The frame of an image display device according to claim 1, wherein the diffusing member includes one or two or more prism plates on which a large number of minute prisms are formed, and a scattering plate that scatters light. An image display device comprising: an image display unit for displaying an image; and the frame according to claim 1. The image display device according to claim 6, wherein the frame member is disposed on at least one side of an image display unit displayed in a rectangular shape. The image display device according to claim 6, wherein the image display unit includes a transmissive image sheet and a light emitter disposed on a back side of the transmissive image sheet. The image display device according to claim 6 or 7, wherein the display surface section includes self-luminous image display means for displaying at least one of a still image and a moving image. An image display device according to any one of claims 6 to 9, wherein two image display devices are joined and arranged so that the image display surfaces face each other.

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