WO2014195988A1 - Decorative light emitting device and light diffusion member - Google Patents

Decorative light emitting device and light diffusion member Download PDF

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Publication number
WO2014195988A1
WO2014195988A1 PCT/JP2013/003488 JP2013003488W WO2014195988A1 WO 2014195988 A1 WO2014195988 A1 WO 2014195988A1 JP 2013003488 W JP2013003488 W JP 2013003488W WO 2014195988 A1 WO2014195988 A1 WO 2014195988A1
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WO
WIPO (PCT)
Prior art keywords
light
design
diffusion
emitting device
displacement
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Application number
PCT/JP2013/003488
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French (fr)
Japanese (ja)
Inventor
仁義　健
明男 齋藤
Original Assignee
株式会社ダイカン
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Publication date
Application filed by 株式会社ダイカン filed Critical 株式会社ダイカン
Priority to JP2013552751A priority Critical patent/JP5514374B1/en
Priority to PCT/JP2013/003488 priority patent/WO2014195988A1/en
Publication of WO2014195988A1 publication Critical patent/WO2014195988A1/en

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia

Definitions

  • the present invention relates to a design light emitting device and a light diffusing member which are used for, for example, a store name, a logo lighting sign, a lighting advertisement, and the like.
  • a design light emitting device called a lighting sign or a lighting advertisement for brightly displaying a store name or a logo.
  • a design light emitting device diffuses light from a light source on a front panel to emit diffused light, and brightly displays a design such as a store name or a logo.
  • This design light emitting device has high visibility and is beautiful, and is therefore used in various places such as displaying a brand name at the front or entrance of a brand store.
  • Such a design light emitting device has been changed from a conventional neon sign to an LED sign using a recent LED, and various design properties are required.
  • a diffuser plate or the like (display unit 21) formed in a character shape or the like is placed on the front surface of the casing, and the edge of the diffuser plate
  • a cover casing front frame portion 23
  • This shape is characterized in that an opaque portion due to metal or the like (front frame portion 23) is always generated at the edge portion of the diffusion plate.
  • FIG. 6 is an explanatory diagram for explaining the shadow generated in this way with a photograph.
  • a transparent projection 102a is attached to the diffusion plate 102, and the diffusion plate 102 is attached to the casing by the projection 102a. Secure to.
  • the internal light source is caused to emit light, as shown in the front view of FIG. 6C and the partially enlarged front view of FIG. Reflect.
  • the present invention eliminates the cover housing that holds the edge of the diffuser plate from the front to improve the design, and the mounting portion for attaching the diffuser plate to the housing is a shadow of light from the light source. It is an object of the present invention to provide a design light-emitting device that can prevent or suppress reflection on a diffusion plate, improve beauty, and improve user satisfaction.
  • the present invention includes a light diffusion design portion that is formed in a shape representing a character, a figure, or a pattern to diffuse light, a light source that irradiates light from the back side to the light diffusion design portion, the light diffusion design portion, and the A housing that supports a light source, and the light diffusion design portion includes a light displacement portion that is processed to displace the direction of light on at least a surface side of the edge portion, and the housing includes the light displacement portion.
  • a support portion that supports the light diffusion design portion in contact with or close to the back surface side, and the light displacement portion of the support portion by the light from the light source when the surface of the light diffusion design portion is viewed from the front It is a design light emitting device having a structure in which light is displaced in a direction in which a shadow is not seen or is difficult to see.
  • the design of the cover is improved by eliminating the cover housing that holds the edge of the diffuser plate from the front, and the mounting part for attaching the diffuser plate to the housing is reflected on the diffuser plate as a shadow of light from the light source. It is possible to provide a designable light emitting device that can prevent or suppress the above, improve the beauty, and improve the satisfaction of the user.
  • Explanatory drawing of the front and inside of a designable light-emitting device Explanatory drawing by the longitudinal cross-section of a designable light-emitting device. Explanatory drawing explaining the refraction of the light of a designable light-emitting device. Explanatory drawing explaining a mode that the shadow of an instruction
  • the present inventors have conducted extensive research to eliminate the cover that sandwiches the edge portion of the light diffusion design portion that diffuses light from the front side to the housing on the back side, and to provide a design light emitting device that has excellent design properties. It was. First, the present inventors simply eliminated surface pressing, provided a plurality of support protrusions protruding inward at the front surface side end of the casing, and fixed the back surface of the light diffusion design portion to the support protrusions. However, the light from the light source in the casing caused a shadow of the support protrusion, and the light diffusion design portion was partially unsharp.
  • the present inventors have made various studies and made extensive studies, and as a result, by processing at least the front side of the edge portion of the light diffusion design portion, the effect of the support portion that supports the light diffusion design portion is determined. Has completed a beautiful design light emitting device that is not visible to the viewer.
  • the design light emitting device of the present invention can be applied to various characters, figures, and patterns.
  • a Roman character “D”, which is a type of serif font, will be described as an example.
  • FIG. 1A shows a front view of the designable light emitting device 1
  • FIG. 1B shows a front view showing the inside of the designable light emitting device 1.
  • the designable light emitting device 1 is mainly composed of a light diffusion design portion 2 and a housing 4 as a light blocking member.
  • the light diffusion design portion 2 is formed in a plate shape cut out in the shape of a character, figure, or pattern drawn by a stroke.
  • the light diffusion design portion 2 is formed in a “D” shape.
  • a stroke (English: stroke) refers to a line having a width constituting a character, a figure, or a pattern, such as a line constituting a single stroke, a figure or a pattern constituting a character.
  • the housing 4 has a back surface portion 6 having the same shape as the light diffusion design portion 2 (see FIG. 1A), and faces from the side edge of the back surface portion 6 to the front.
  • a side surface portion 5 having a constant depth is provided. Therefore, the housing 4 has an opening 4 a having the same shape as the light diffusion design portion 2 on the front surface, and is formed in a container shape that is covered by the side surface portion 5 and the back surface portion 6 except for the front surface.
  • a support portion 51 (edge portion) having a constant width is provided along the side surface portion 5 serving as an edge of the stroke inside the front side end portion of the side surface portion 5 of the housing 4.
  • the support portion 51 supports the light diffusion design portion 2 so as not to be detached from the front surface of the housing 4.
  • a reflective surface 6 a is provided on the entire front surface of the back surface portion 6 of the housing 4.
  • the reflecting surface 6a is formed by a glossy white paint (including white printing). This white paint functions as a reflecting surface that reflects light.
  • a plurality of light sources 9 are provided on the front side of the reflecting surface 6a.
  • the illustrated light source 9 is an LED, but is not limited thereto, and an appropriate light source such as a neon tube, a flexible substrate having a light emitting unit, or a light guide plate for guiding light from the light emitting unit can be used.
  • the light source 9 is connected by a wiring (not shown), and emits light upon receiving power from a power supply (not shown).
  • the reflective surface 6a, the light source 9, and the wiring are not shown in FIG.
  • the light diffusion design portion 2 is arranged on the front surface of the housing 4, and the design light emitting device 1 representing characters, figures, and patterns is completed as shown in the front view of FIG.
  • FIG. 2A is a cross-sectional view showing an AA cut end surface in FIG. 1A
  • FIG. 2B is an enlarged view of the vicinity of the edge 20a in the cross-sectional view.
  • a cushion material 7 is sandwiched between both side ends of the back surface portion 6 and the bottom portion of the side surface portion 5. Then, a screw 8a is screwed from the outside near the bottom of the side surface portion 5 toward the back surface portion 6, and the side surface portion 5 and the back surface portion 6 are fixed by this screwing. A screw 8 a for fixing to the wall surface or the like of the facility is screwed into the back surface portion 6.
  • the design light-emitting device 1 is fixed to the store wall surface or the like with the screws 8a. Further, the cushion material 7 prevents light from leaking from between the side surface portion 5 and the back surface portion 6 and intrusion of dust and water.
  • a reflective surface 5 a is provided on the inner surface of the side surface portion 5 of the housing 4.
  • the reflecting surface 5a is formed by a glossy white paint.
  • the space surrounded by the reflecting surface 5a and the reflecting surface 6a functions as the light reflecting space 10.
  • the reflective surface 5a and the reflective surface 6a can be made into an appropriate color without being limited to white.
  • the reflecting surface 5a and the reflecting surface 6a are not limited to painting, and can be appropriately configured such as printing or a reflecting film.
  • the light emitted from the light source 9 is reflected in various directions in the light reflecting space 10 by the reflecting surface 5a at the side surface and the reflecting surface 6a at the back surface.
  • the direct light from the light source 9 and the reflected light from the reflecting surface 5a and the reflecting surface 6a are incident on the light diffusion design portion 2. That is, surface light from various directions is incident on the light diffusion design portion 2.
  • the light diffusion design portion 2 diffuses and transmits incident light. Therefore, when the light source 9 emits light, the light diffusing design part 2 is visually shining white. The light transmitted through the light diffusion design portion 2 becomes surface light.
  • the light diffusion design portion 2 is a multilayer in which a front surface side diffusion plate 11 (a diffusion member) and a rear surface side transmission plate 13 (a transmission member) are stacked and fixed by an adhesive or the like. Formed in the structure.
  • the diffusion plate 11 is formed of a milky white and translucent acrylic plate.
  • the thickness of the diffusing plate 11 is configured such that light can be diffused more than the viewer cannot recognize at least the shape of the light source 9 when viewed from the front.
  • the transmission plate 13 is made of a transparent acrylic plate.
  • the diffusion plate 11 and the transmission plate 13 are not limited to acrylic plates, and can be formed of a plate-like member made of an appropriate material that diffuses transmitted light, such as a glass plate or a plastic plate.
  • an edge portion 20a including a light displacement portion 20b that displaces light in a direction that makes it difficult, and a mounting portion 20c that is mounted on the support portion 51 of the housing 4 on the side end side of the transmission plate 13.
  • the optical displacement portion 20 b includes a first displacement portion 21 that draws a circular arc from the vicinity of the end portion of the surface 12 of the diffusion plate 11 to the side surface, and a second displacement portion 22 that forms a linear side surface continuous from the first displacement portion 21. have.
  • the light displacement portion 20 b is formed from the surface 12 to the side surface at the edge portion of the diffusion plate 11.
  • the first displacement portion 21 has a surface-side boundary line 21a, which is a boundary line with the surface 12, having a thickness D of the diffusion plate 11 in a range from the side to the inside centering on the position P of the inner end of the support portion 51. It is configured to be located within the first range L1 that is within 3/4 of this and within the second range L2 that is within 1/2 of the thickness D, which is a more preferable range.
  • the first displacement portion 21 has a side surface side boundary line 21b, which is a boundary line with the second displacement portion 22 located on the side surface, from the front surface to the back surface with the position C being the center of the thickness D of the diffusion plate 11.
  • the range up to is within the third range L3 within 3/4 of the thickness D and within the fourth range L4 within 1/2 of the thickness D, which is a more preferable range. ing.
  • the second displacement portion 22 is an inclined surface having an angle ⁇ with the extension line of the side surface portion 5 of the housing 4 within 30 °, within a more preferable range of 15 °, and more preferably within 10 °. It is configured.
  • the angle ⁇ of the second displacement portion 22 can be 0 °, but is preferably 1 ° or more, and more preferably 5 ° or more.
  • the thickness D of the diffusion plate 11 is 8 mm
  • the angle ⁇ of the second displacement portion 22 is 8 °
  • the radius of curvature of the first displacement portion 21 is 5 mm, but this is not restrictive.
  • the mounting portion 20c of the transmission plate 13 includes a concave portion 14 (back portion) on the adhesion surface side with the diffusion plate 11 and a convex portion 15 (guide portion) on the back surface side.
  • the support part 51 can be inserted
  • the convex portion 15 is configured such that the end portion is positioned on the inner side by the thickness of the side surface portion 5 than the side end of the diffusion plate 11. Further, the concave portion 14 is configured such that the distance from the end portion of the convex portion 15 is longer than the protruding distance of the support portion 51. Thereby, the space
  • the design light emitting device 1 is heated in direct sunlight or the like when the gap E is installed outdoors, the light diffusion design portion 2 is heated against the metal casing 4 such as stainless steel that does not expand by heat. Even if it expands, the change due to the expansion can be absorbed. Therefore, the gap E can prevent the light diffusion design portion 2 and the housing 4 from being damaged due to a difference in deformation due to heat.
  • FIG. 4 is an explanatory diagram for explaining that a shadow is not reflected on the light diffusion design portion 2 of the designable light-emitting device 1 configured as described above.
  • the light source 9 emits light
  • the first displacement portion 21 and the second displacement portion 22 of the diffusion plate 2 are emitted. Emits light in the same manner as the plane portion forming most of the diffusion plate 2, and the shadow of the support portion 51 is not reflected.
  • the front side of the diffusing plate 2 is cut so that the positional relationship between the support portion 51, the first displacement portion 21, and the second displacement portion 22 can be easily understood. I am doing so.
  • the light source 9 is arranged in an up-down and left-right alignment in a lattice pattern at equal intervals in the example of this photograph.
  • the design light-emitting device 1 emits the light source 9 by the light displacement portion 20b to emit light substantially uniformly to the end of the light diffusion design portion 2, the beautiful light-emitting character, light-emitting figure, or A luminous pattern can be obtained. More specifically, the light from the light source 9 is diffused in the diffusion plate 11 and refracted from the first displacement portion 21 and the second displacement portion 22 as indicated by an arrow Y2 in the partially enlarged sectional view of FIG. Is emitted. As shown in the drawing, the arrow Y2 refracts the light from the light source 9 toward the front center side as compared to the arrow Y1 indicating the light emitted from the planar surface 12. By this refraction, the light from the light source 9 can be delivered to the corners of the light diffusion design part 2 and visually recognized without making the viewer visually recognize the shadow of the support part 51.
  • the design light emitting device 1 Since the light diffusion design portion 2 is formed in the same size as the housing 4 when viewed from the front, the design light emitting device 1 that becomes the entire light diffusion design portion 2 where the front of the housing 4 is not visually recognized. Can be provided.
  • the structure in which the support portion 51 is sandwiched between the back surface 23 of the diffusion plate 11 and the convex portion 15 of the transmission plate 13 can prevent direct light from the light source 9 from leaking.
  • the expansion ratio of the light diffusion design portion 2 and the expansion of the housing 4 due to heat can be set even in an environment where the temperature changes greatly due to direct sunlight or the like.
  • the difference in rate can be absorbed to prevent breakage.
  • the gap E may be provided with a cushion material that easily deforms. Thereby, in the designable light-emitting device 1 installed outdoors, it can prevent that moisture and dust, such as rainwater, penetrate
  • FIG. 5 is an explanatory diagram for explaining another embodiment.
  • FIG. 5A is a partially enlarged cross-sectional view of the second embodiment.
  • the first displacement portion 21A of the diffusion plate 11A is formed in a linear shape. Since the other configuration is the same as that of the first embodiment, the same components are denoted by the same reference numerals and detailed description thereof is omitted. Even in this case, the same effect as in the first embodiment can be obtained.
  • FIG. 5B is a partially enlarged cross-sectional view of the third embodiment.
  • one diffusion plate 11B having the same shape as the shape in which the diffusion plate 11A and the transmission plate 13 in Example 2 are overlapped is provided. That is, in the diffusion plate 11B, the side surface of one diffusion plate is processed to form the first displacement portion 21A, the second displacement portion 22, the back surface 23, the concave portion 14B, and the convex portion 15B.
  • the same effect as in the first embodiment can be obtained. Moreover, since it is integrally formed, the process of bonding the diffusion plate 11 and the transmission plate 13 as in the first and second embodiments can be reduced.
  • FIG. 5C is a partially enlarged cross-sectional view of the fourth embodiment.
  • the transmission plate 13 of the second embodiment is configured by stacking and bonding the first transmission plate 131 and the second transmission plate 132 together. Again. The same effect as in the first embodiment can be obtained.
  • the two transmission plates 131 and 132 are pasted. By combining them, a step between the concave portion 14C and the convex portion 15C can be formed.
  • FIG. 5D is a partially enlarged cross-sectional view of the fifth embodiment.
  • the back surface 23 of the diffusion plate 11 ⁇ / b> A of the second embodiment is directly bonded to the support portion 51 provided on the side surface portion 5 of the housing 4.
  • the design light-emitting device 1 without surface pressings, such as a metal can be provided in the surface side of the edge of the light-diffusion design part 2, and when the light source 9 is light-emitted, a light-diffusion design part The light can be emitted substantially uniformly up to the end of 2.
  • FIG. 5E is a partially enlarged cross-sectional view of the sixth embodiment.
  • the diffusion plate 11E is slightly larger than the housing 4 so that the end of the diffusion plate 11E of the first embodiment projects slightly outward (width W) from the outer surface of the side surface portion 5 of the housing 4. Is formed. Since the other configuration is the same as that of the first embodiment, the same components are denoted by the same reference numerals and detailed description thereof is omitted. Even in this case, the same effect as in the first embodiment can be obtained.
  • the design light-emitting device 1E having excellent design properties in which the housing 4 is not visually recognized from the front and the whole is the light diffusion design portion 2E can be provided.
  • the diffusion plate 11E is formed to be smaller than the casing 4, and the support part 51 of the casing 4 can be seen only by the width W outside the light diffusion design part 2E when viewed from the front. May be. In this case, it is possible to provide an aesthetic appearance with a metal edge or the like at a slightly lower position (a position on the back side) outside the light diffusion design portion 2E.
  • the housing 4 has the same shape as the light diffusion design portion 2, but is not limited thereto, and the front surface has an arbitrary shape such as a rectangular plate shape, and the front surface has the same shape as the light diffusion design portion 2. It is good also as a shape which provided a little small hole.
  • the edge of the hole may be configured to support the light diffusion design portion 2 as the support portion 51.
  • the light diffusing design part 2 arranged so as to overlap the front side of the front side of the housing 4 emits light evenly to the edge, and the aesthetic appearance that the shadow of the support part 51 is not reflected on the light diffusion design part 2 is provided. can do.
  • the present invention can be used for a store name, a lighting sign for a logo, a lighting advertisement, and the like, and can be used for an appropriately designed lighting product in which a design drawn by a stroke is visually recognized.

Abstract

A decorative light emitting device (1) comprises: a light diffusion design portion (2) which is formed in a shape representing a letter, object, or pattern and diffuses light; a light source (9) for projecting light on the light diffusion design portion (2) from the rear surface side thereof; and a housing (4) for supporting the light diffusion design portion (2) and the light source (9). The light diffusion design portion (2) is provided with a light deflection portion (20b) on at least the surface (12) side of a rim portion (20a), said light deflection portion (20b) being machined so as to deflect the direction of light. The housing (4) is provided with a support portion (51) that is in contact with or near to the rear surface (23) side of the light deflection portion (20b) to support the light diffusion design portion (2). The light deflection portion (20b) deflects light to a direction in which the shadow of the support portion (51) caused by the light from the light source cannot be seen or is difficult to see when the surface (12) of the light diffusion design portion (2) is viewed from the front. Thereby, the present invention is able to improve the design appearance of the decorative light emitting device (1) by allowing the same to do without a cover housing which presses down on the rim of the diffusion plate (11) from the front, and prevent or suppress the support portion (51), which mounts the diffusion plate (11) to the housing (4), from appearing on the diffusion plate (11) as a shadow due to the light from the light source (9).

Description

意匠性発光装置および光拡散部材Designable light emitting device and light diffusing member
　この発明は、例えば店名やロゴの照明サインや照明広告等に利用されるような意匠性発光装置および光拡散部材に関する。 The present invention relates to a design light emitting device and a light diffusing member which are used for, for example, a store name, a logo lighting sign, a lighting advertisement, and the like.
　従来、店名やロゴを明るく表示する照明サインや照明広告と呼ばれるような意匠性発光装置が提供されている。このような意匠性発光装置は、光源の光を前面パネルで拡散して拡散光を放出し、店名やロゴ等の意匠を明るく表示するものである。この意匠性発光装置は、視認性が高く美しいことから、ブランドの店舗の正面や入口でブランド名を表示するなど、様々な場所で利用されている。 Conventionally, a design light emitting device called a lighting sign or a lighting advertisement for brightly displaying a store name or a logo has been provided. Such a design light emitting device diffuses light from a light source on a front panel to emit diffused light, and brightly displays a design such as a store name or a logo. This design light emitting device has high visibility and is beautiful, and is therefore used in various places such as displaying a brand name at the front or entrance of a brand store.
　このような意匠性発光装置は、従来のネオンサインから始まって、近年のＬＥＤを用いたＬＥＤサインまで変化してきており、様々な意匠性が求められている。 Such a design light emitting device has been changed from a conventional neon sign to an LED sign using a recent LED, and various design properties are required.
　このような意匠性発光装置は、特許文献１の図４に示されるように、文字形状等に形成された拡散板等（表示部２１）が筐体の正面に置かれ、この拡散板の縁を正面側から一定幅で押さえるカバー筐体（前枠部２３）がかぶせられるのが一般的である。この形状には、拡散板の縁部分に必ず金属等（前枠部２３）による不透光部分が発生するという特徴がある。 In such a design light emitting device, as shown in FIG. 4 of Patent Document 1, a diffuser plate or the like (display unit 21) formed in a character shape or the like is placed on the front surface of the casing, and the edge of the diffuser plate In general, a cover casing (front frame portion 23) that holds the frame from the front side with a certain width is covered. This shape is characterized in that an opaque portion due to metal or the like (front frame portion 23) is always generated at the edge portion of the diffusion plate.
　ここで、この縁部分をなくして、文字等の表面全体を拡散板にすれば、縁のない美しい意匠性発光装置となる。このためには、拡散板を筐体に固定する必要がある。この固定の方法として、特許文献１の図３に示される接合部１１のように、筐体の内側に突起部を設け、この突起部に拡散板の裏面側を接着材等で固定することが考えられる。 Here, if this edge portion is eliminated and the entire surface of characters and the like is made into a diffuser plate, a beautiful design light emitting device having no edge can be obtained. For this purpose, it is necessary to fix the diffusion plate to the housing. As a fixing method, as in the joint portion 11 shown in FIG. 3 of Patent Document 1, a protrusion is provided on the inner side of the housing, and the rear surface side of the diffusion plate is fixed to the protrusion with an adhesive or the like. Conceivable.
特開２００７－７２０５３号公報JP 2007-72053 A
　しかし、このような方法では、内部の光源を発光させると、筐体の突起部が影となって見えてしまい、意匠性が損なわれるという問題点があった。図６は、このようにして発生する影を写真により説明する説明図である。例えば、図６（Ａ）の背面図および図６（Ｂ）の一部拡大斜視図に示すように、拡散板１０２に透明の突起部１０２ａを取り付け、この突起部１０２ａによって拡散板１０２を筐体に固定する。この場合、内部の光源を発光させると、図６（Ｃ）の正面図および図６（Ｄ）の一部拡大正面図に示すように、拡散板１０２の正面から見ると突起部１０２ａの影が映る。特に、突起部１０２ａの孔にネジを螺入して筐体に固定すると、そのネジの影が拡散板１０２に明瞭に映る。このように、影が見えると意匠性が損なわれるという問題があった。 However, in such a method, there is a problem that when the internal light source is made to emit light, the protruding portion of the housing appears as a shadow, and the design is impaired. FIG. 6 is an explanatory diagram for explaining the shadow generated in this way with a photograph. For example, as shown in the rear view of FIG. 6A and the partially enlarged perspective view of FIG. 6B, a transparent projection 102a is attached to the diffusion plate 102, and the diffusion plate 102 is attached to the casing by the projection 102a. Secure to. In this case, when the internal light source is caused to emit light, as shown in the front view of FIG. 6C and the partially enlarged front view of FIG. Reflect. In particular, when a screw is screwed into the hole of the protrusion 102 a and fixed to the housing, the shadow of the screw is clearly reflected on the diffusion plate 102. As described above, there is a problem that the design is impaired when a shadow is seen.
　この発明は、上述の問題に鑑み、拡散板の縁を正面から押さえるカバー筐体をなくして意匠性を向上させ、かつ、拡散板を筐体に取り付ける取り付け部分が光源からの光の影となって拡散板に映ることを防止若しくは抑制できる意匠性発光装置を提供し、美しさを向上させて利用者の満足度を向上させることを目的とする。 In view of the above problems, the present invention eliminates the cover housing that holds the edge of the diffuser plate from the front to improve the design, and the mounting portion for attaching the diffuser plate to the housing is a shadow of light from the light source. It is an object of the present invention to provide a design light-emitting device that can prevent or suppress reflection on a diffusion plate, improve beauty, and improve user satisfaction.
　この発明は、文字、図形、または模様を表す形状に形成されて光を拡散する光拡散意匠部と、前記光拡散意匠部に裏面側から光を照射する光源と、前記光拡散意匠部と前記光源を支持する筐体とを備え、前記光拡散意匠部は、光の方向を変位させる加工がなされた光変位部を縁部の少なくとも表面側に備え、前記筐体は、前記光変位部の裏面側に当接または近接して前記光拡散意匠部を支持する支持部を備え、前記光変位部は、正面から前記光拡散意匠部の表面を視認すると前記光源からの光による前記支持部の影が見られないか見えづらくなる方向へ光を変位させる構成である意匠性発光装置であることを特徴とする。 The present invention includes a light diffusion design portion that is formed in a shape representing a character, a figure, or a pattern to diffuse light, a light source that irradiates light from the back side to the light diffusion design portion, the light diffusion design portion, and the A housing that supports a light source, and the light diffusion design portion includes a light displacement portion that is processed to displace the direction of light on at least a surface side of the edge portion, and the housing includes the light displacement portion. A support portion that supports the light diffusion design portion in contact with or close to the back surface side, and the light displacement portion of the support portion by the light from the light source when the surface of the light diffusion design portion is viewed from the front It is a design light emitting device having a structure in which light is displaced in a direction in which a shadow is not seen or is difficult to see.
　この発明により、拡散板の縁を正面から押さえるカバー筐体をなくして意匠性を向上させ、かつ、拡散板を筐体に取り付ける取り付け部分が光源からの光の影となって拡散板に映ることを防止若しくは抑制できる意匠性発光装置を提供し、美しさを向上させて利用者の満足度を向上させることができる。 According to the present invention, the design of the cover is improved by eliminating the cover housing that holds the edge of the diffuser plate from the front, and the mounting part for attaching the diffuser plate to the housing is reflected on the diffuser plate as a shadow of light from the light source. It is possible to provide a designable light emitting device that can prevent or suppress the above, improve the beauty, and improve the satisfaction of the user.
意匠性発光装置の正面と内部の説明図。Explanatory drawing of the front and inside of a designable light-emitting device. 意匠性発光装置の縦断面による説明図。Explanatory drawing by the longitudinal cross-section of a designable light-emitting device. 意匠性発光装置の光の屈折を説明する説明図。Explanatory drawing explaining the refraction of the light of a designable light-emitting device. 拡散板に指示部の影が映らない様子を写真により説明する説明図。Explanatory drawing explaining a mode that the shadow of an instruction | indication part is not reflected on a diffusion plate with a photograph. 他の実施例の一部拡大断面図による説明図。Explanatory drawing by the partially expanded sectional view of another Example. 従来考えられる固定方法によって拡散板に映る影の説明図。Explanatory drawing of the shadow reflected on a diffusion plate by the fixing method considered conventionally.
　本発明者らは、光を拡散する光拡散意匠部の縁部分を正面側から裏面の筐体側へ挟むカバーを排除し、意匠性に優れた意匠性発光装置を提供しようと、鋭意研究を重ねた。最初、本発明者らは、単純に面押さえを無くし、筐体側面の表面側端に内側へ突出した支持突起を複数設け、その支持突起に光拡散意匠部の裏面を固定した。しかし、筐体内の光源からの光によって支持突起の影が生じ、光拡散意匠部の一部に影のある美しさの無いものになった。 The present inventors have conducted extensive research to eliminate the cover that sandwiches the edge portion of the light diffusion design portion that diffuses light from the front side to the housing on the back side, and to provide a design light emitting device that has excellent design properties. It was. First, the present inventors simply eliminated surface pressing, provided a plurality of support protrusions protruding inward at the front surface side end of the casing, and fixed the back surface of the light diffusion design portion to the support protrusions. However, the light from the light source in the casing caused a shadow of the support protrusion, and the light diffusion design portion was partially unsharp.
　そこで、本発明者らは、様々な工夫をし、鋭意研究を重ねた結果、光拡散意匠部の縁部分の少なくとも正面側に加工を施すことで、光拡散意匠部を支持する支持部の影が看者に視認されない美しい意匠性発光装置を完成させた。 Therefore, the present inventors have made various studies and made extensive studies, and as a result, by processing at least the front side of the edge portion of the light diffusion design portion, the effect of the support portion that supports the light diffusion design portion is determined. Has completed a beautiful design light emitting device that is not visible to the viewer.
　この発明の意匠性発光装置は、様々な文字、図形、模様について適用できるが、実施例１では、一例としてセリフフォントの一種であるローマン体の文字「Ｄ」を例にとって説明する。 The design light emitting device of the present invention can be applied to various characters, figures, and patterns. In the first embodiment, a Roman character “D”, which is a type of serif font, will be described as an example.
　図１（Ａ）は、意匠性発光装置１の正面図を示し、図１（Ｂ）は、意匠性発光装置１の内部を表す正面図を示す。　
　図１（Ａ），（Ｂ）に示すように、意匠性発光装置１は、光拡散意匠部２と、光遮断部材としての筐体４とで主に構成されている。 FIG. 1A shows a front view of the designable light emitting device 1, and FIG. 1B shows a front view showing the inside of the designable light emitting device 1.
As shown in FIGS. 1 (A) and 1 (B), the designable light emitting device 1 is mainly composed of a light diffusion design portion 2 and a housing 4 as a light blocking member.
　光拡散意匠部２は、ストロークによって描かれた文字、図形、又は模様の形状に切り取られた板状に形成されており、この実施例１では「Ｄ」形状に形成されている。なお、ストローク（英語：ｓｔｒｏｋｅ）とは、文字を構成する１画１画、図形または模様を構成する線など、文字、図形、または模様を構成する幅を有する線を指す。 The light diffusion design portion 2 is formed in a plate shape cut out in the shape of a character, figure, or pattern drawn by a stroke. In the first embodiment, the light diffusion design portion 2 is formed in a “D” shape. Note that a stroke (English: stroke) refers to a line having a width constituting a character, a figure, or a pattern, such as a line constituting a single stroke, a figure or a pattern constituting a character.
　図１（Ｂ）に示すように、筐体４は、背面部６が光拡散意匠部２（図１（Ａ）参照）と同じ形状であり、この背面部６の側端辺から正面に向かって直角に起立する深さ一定の側面部５が設けられている。従って、筐体４は、光拡散意匠部２と同じ形状の開口４ａを正面に有し、側面部５と背面部６によって正面以外が覆われる容器状に形成されている。 As shown in FIG. 1B, the housing 4 has a back surface portion 6 having the same shape as the light diffusion design portion 2 (see FIG. 1A), and faces from the side edge of the back surface portion 6 to the front. A side surface portion 5 having a constant depth is provided. Therefore, the housing 4 has an opening 4 a having the same shape as the light diffusion design portion 2 on the front surface, and is formed in a container shape that is covered by the side surface portion 5 and the back surface portion 6 except for the front surface.
　筐体４の側面部５の正面側端部内側には、ストロークの縁となる側面部５に沿って一定幅の支持部５１（縁部）が設けられている。この支持部５１は、光拡散意匠部２を筐体４の正面で外れないように支持する。 A support portion 51 (edge portion) having a constant width is provided along the side surface portion 5 serving as an edge of the stroke inside the front side end portion of the side surface portion 5 of the housing 4. The support portion 51 supports the light diffusion design portion 2 so as not to be detached from the front surface of the housing 4.
　筐体４の背面部６の正面側には、反射面６ａが全面に設けられている。この反射面６ａは、光沢のある白色塗装（白色印刷を含む）により形成されている。この白色塗装は、光を反射する反射面として機能する。 A reflective surface 6 a is provided on the entire front surface of the back surface portion 6 of the housing 4. The reflecting surface 6a is formed by a glossy white paint (including white printing). This white paint functions as a reflecting surface that reflects light.
　反射面６ａの正面側には、複数の光源９が設けられている。図示する光源９は、ＬＥＤであるが、これに限らずネオン管、発光部を有するフレキシブル基板、または発光部の光を導光する導光板等、適宜の光源を利用することができる。 A plurality of light sources 9 are provided on the front side of the reflecting surface 6a. The illustrated light source 9 is an LED, but is not limited thereto, and an appropriate light source such as a neon tube, a flexible substrate having a light emitting unit, or a light guide plate for guiding light from the light emitting unit can be used.
　また、光源９は、図示省略する配線により接続されており、図示省略する電源から電源供給を受けて発光する。なお、反射面６ａと光源９と配線は、図１では図示省略されている。 The light source 9 is connected by a wiring (not shown), and emits light upon receiving power from a power supply (not shown). The reflective surface 6a, the light source 9, and the wiring are not shown in FIG.
　このようにして、筐体４の正面に光拡散意匠部２が配置されて、図１（Ａ）の正面図に示すように文字、図形、模様を表す意匠性発光装置１が完成する。 In this way, the light diffusion design portion 2 is arranged on the front surface of the housing 4, and the design light emitting device 1 representing characters, figures, and patterns is completed as shown in the front view of FIG.
　図２（Ａ）は、図１（Ａ）におけるＡ－Ａ切断端面を示す断面図であり、図２（Ｂ）は、この断面図における縁部２０ａ近傍の拡大図である。 2A is a cross-sectional view showing an AA cut end surface in FIG. 1A, and FIG. 2B is an enlarged view of the vicinity of the edge 20a in the cross-sectional view.
　図２（Ａ）に示すように、背面部６の両側端と側面部５の底部の間には、それぞれクッション材７が挟まれている。そして、側面部５の底部付近の外側から背面部６に向かってネジ８ａが螺入されており、このネジ止めにより側面部５と背面部６が固定されている。背面部６には、施設の壁面等に固定するためのネジ８ａが螺入されている。 As shown in FIG. 2 (A), a cushion material 7 is sandwiched between both side ends of the back surface portion 6 and the bottom portion of the side surface portion 5. Then, a screw 8a is screwed from the outside near the bottom of the side surface portion 5 toward the back surface portion 6, and the side surface portion 5 and the back surface portion 6 are fixed by this screwing. A screw 8 a for fixing to the wall surface or the like of the facility is screwed into the back surface portion 6.
　この構成により、ネジ８ａによって店舗壁面等に意匠性発光装置１が固定される。また、クッション材７により、側面部５と背面部６の間から光が漏れること、ほこりや水が浸入することを防止している。 With this configuration, the design light-emitting device 1 is fixed to the store wall surface or the like with the screws 8a. Further, the cushion material 7 prevents light from leaking from between the side surface portion 5 and the back surface portion 6 and intrusion of dust and water.
　筐体４の側面部５の内面は、反射面５ａが設けられている。この反射面５ａは、光沢のある白色塗装によって形成されている。また、反射面５ａと反射面６ａによって囲まれる空間は、光反射空間１０として機能する。なお、反射面５ａと反射面６ａは、白色に限らず適宜の色とすることができる。また、反射面５ａと反射面６ａは、塗装に限らず印刷とする、あるいは反射フィルムで構成するなど、適宜の構成とすることができる。 A reflective surface 5 a is provided on the inner surface of the side surface portion 5 of the housing 4. The reflecting surface 5a is formed by a glossy white paint. The space surrounded by the reflecting surface 5a and the reflecting surface 6a functions as the light reflecting space 10. In addition, the reflective surface 5a and the reflective surface 6a can be made into an appropriate color without being limited to white. Further, the reflecting surface 5a and the reflecting surface 6a are not limited to painting, and can be appropriately configured such as printing or a reflecting film.
　光源９から発せられた光は、側面位置の反射面５ａと背面位置の反射面６ａとにより、光反射空間１０内で様々な方向に反射される。これにより、光拡散意匠部２には、光源９からの直接光と、反射面５ａや反射面６ａによる反射光が入射する。つまり、光拡散意匠部２には、様々な方向からの面光が入射する。 The light emitted from the light source 9 is reflected in various directions in the light reflecting space 10 by the reflecting surface 5a at the side surface and the reflecting surface 6a at the back surface. Thereby, the direct light from the light source 9 and the reflected light from the reflecting surface 5a and the reflecting surface 6a are incident on the light diffusion design portion 2. That is, surface light from various directions is incident on the light diffusion design portion 2.
　光拡散意匠部２は、入射した光を拡散して透過する。従って、光源９が発光した状態のとき、光拡散意匠部２は、白く光って視認される。この光拡散意匠部２を透過した光は、面光となる。 The light diffusion design portion 2 diffuses and transmits incident light. Therefore, when the light source 9 emits light, the light diffusing design part 2 is visually shining white. The light transmitted through the light diffusion design portion 2 becomes surface light.
　図２（Ｂ）に示すように、光拡散意匠部２は、表面側の拡散板１１（拡散部材）と裏面側の透過板１３（透過部材）が重ねられて接着剤等によって固定された多層構造に形成されている。拡散板１１は、乳白色で半透明のアクリル板により形成されている。拡散板１１の厚みは、看者が正面から見て少なくとも光源９の形状を認識できない程度以上に光を拡散できる厚みに構成されている。透過板１３は、透明のアクリル板によって形成されている。なお、拡散板１１および透過板１３は、アクリル板に限らず、ガラス板やプラスチック板等、透過する光を拡散する適宜の素材の板状部材により形成することができる。 As shown in FIG. 2 (B), the light diffusion design portion 2 is a multilayer in which a front surface side diffusion plate 11 (a diffusion member) and a rear surface side transmission plate 13 (a transmission member) are stacked and fixed by an adhesive or the like. Formed in the structure. The diffusion plate 11 is formed of a milky white and translucent acrylic plate. The thickness of the diffusing plate 11 is configured such that light can be diffused more than the viewer cannot recognize at least the shape of the light source 9 when viewed from the front. The transmission plate 13 is made of a transparent acrylic plate. The diffusion plate 11 and the transmission plate 13 are not limited to acrylic plates, and can be formed of a plate-like member made of an appropriate material that diffuses transmitted light, such as a glass plate or a plastic plate.
　光拡散意匠部２の側端側には、拡散板１１の側端側で、正面から光拡散意匠部２の表面を視認すると光源９からの光による支持部５１の影が見られないか見えづらくなる方向へ光を変位させる光変位部２０ｂと、透過板１３の側端側で筐体４の支持部５１に装着するための装着部２０ｃとで構成される縁部２０ａが設けられている。 On the side end side of the light diffusion design portion 2, when the surface of the light diffusion design portion 2 is viewed from the front side on the side end side of the diffusion plate 11, it appears that the shadow of the support portion 51 due to the light from the light source 9 is not seen. There is provided an edge portion 20a including a light displacement portion 20b that displaces light in a direction that makes it difficult, and a mounting portion 20c that is mounted on the support portion 51 of the housing 4 on the side end side of the transmission plate 13. .
　光変位部２０ｂは、拡散板１１の表面１２の端部付近から円弧を描いて側面へ至る第１変位部２１と、第１変位部２１から連続する直線状の側面をなす第２変位部２２を有している。この第１変位部２１と第２変位部２２により、光変位部２０ｂは、拡散板１１の縁部分で表面１２から側面にわたって形成されている。 The optical displacement portion 20 b includes a first displacement portion 21 that draws a circular arc from the vicinity of the end portion of the surface 12 of the diffusion plate 11 to the side surface, and a second displacement portion 22 that forms a linear side surface continuous from the first displacement portion 21. have. By the first displacement portion 21 and the second displacement portion 22, the light displacement portion 20 b is formed from the surface 12 to the side surface at the edge portion of the diffusion plate 11.
　第１変位部２１は、表面１２との境界線である表面側境界線２１ａが、支持部５１の内側端の位置Ｐを中心とする側方から内方の範囲が拡散板１１の厚さＤの３／４以内となる第１範囲Ｌ１内で、かつ、より好ましい範囲である厚さＤの１／２以内となる第２範囲Ｌ２内に位置するように構成されている。 The first displacement portion 21 has a surface-side boundary line 21a, which is a boundary line with the surface 12, having a thickness D of the diffusion plate 11 in a range from the side to the inside centering on the position P of the inner end of the support portion 51. It is configured to be located within the first range L1 that is within 3/4 of this and within the second range L2 that is within 1/2 of the thickness D, which is a more preferable range.
　また、第１変位部２１は、側面に位置する第２変位部２２との境界線である側面側境界線２１ｂが、拡散板１１の厚さＤの中心となる位置Ｃを中心に表面から裏面までの範囲が厚さＤの３／４以内となる第３範囲Ｌ３内で、かつ、より好ましい範囲である厚さＤの１／２以内となる第４範囲Ｌ４内に位置するように構成されている。 Further, the first displacement portion 21 has a side surface side boundary line 21b, which is a boundary line with the second displacement portion 22 located on the side surface, from the front surface to the back surface with the position C being the center of the thickness D of the diffusion plate 11. The range up to is within the third range L3 within 3/4 of the thickness D and within the fourth range L4 within 1/2 of the thickness D, which is a more preferable range. ing.
　第２変位部２２は、筐体４の側面部５の延長線との角度θが３０°以内で、かつ、より好ましい範囲である１５°以内で、さらに好ましい範囲である１０°以内の傾斜面に構成されている。なお、第２変位部２２の角度θは、０°としても可能であるが、１°以上であることが好ましく、５°以上であることがより好ましい。 The second displacement portion 22 is an inclined surface having an angle θ with the extension line of the side surface portion 5 of the housing 4 within 30 °, within a more preferable range of 15 °, and more preferably within 10 °. It is configured. The angle θ of the second displacement portion 22 can be 0 °, but is preferably 1 ° or more, and more preferably 5 ° or more.
　なお、この実施例では、拡散板１１の厚みＤを８ｍｍとし、第２変位部２２の角度θを８°とし、第１変位部２１の湾曲の半径を５ｍｍとしているが、これに限らない。 In this embodiment, the thickness D of the diffusion plate 11 is 8 mm, the angle θ of the second displacement portion 22 is 8 °, and the radius of curvature of the first displacement portion 21 is 5 mm, but this is not restrictive.
　透過板１３の装着部２０ｃは、拡散板１１との接着面側に凹部１４（奥部）を備え、裏面側に凸部１５（ガイド部）を備えている。これにより、凸部１５と拡散板１１の端部の裏面２３の間に支持部５１を挟み込み、光拡散意匠部２を筐体４に外れないように取り付けることができる。 The mounting portion 20c of the transmission plate 13 includes a concave portion 14 (back portion) on the adhesion surface side with the diffusion plate 11 and a convex portion 15 (guide portion) on the back surface side. Thereby, the support part 51 can be inserted | pinched between the convex part 15 and the back surface 23 of the edge part of the diffusion plate 11, and the light-diffusion design part 2 can be attached so that it may not remove | deviate from the housing | casing 4. FIG.
　凸部１５は、拡散板１１の側端よりも側面部５の厚み分だけ内側に端部が位置するように構成されている。また、凹部１４は、凸部１５の端部からの距離が、支持部５１の突出距離よりも長くなるように構成されている。これにより、支持部５１の内側端と凹部１４の間に空隙Ｅが構成される。この空隙Ｅは、野外に設置されて直射日光等で意匠性発光装置１が熱くなった際に、熱で膨張しないステンレス等の金属製の筐体４に対して、光拡散意匠部２が熱で膨張しても、その膨張による変化を吸収できる。従って、空隙Ｅにより、光拡散意匠部２と筐体４の熱による変形量の違いによって破損することを防止できる。 The convex portion 15 is configured such that the end portion is positioned on the inner side by the thickness of the side surface portion 5 than the side end of the diffusion plate 11. Further, the concave portion 14 is configured such that the distance from the end portion of the convex portion 15 is longer than the protruding distance of the support portion 51. Thereby, the space | gap E is comprised between the inner side end of the support part 51, and the recessed part 14. As shown in FIG. When the design light emitting device 1 is heated in direct sunlight or the like when the gap E is installed outdoors, the light diffusion design portion 2 is heated against the metal casing 4 such as stainless steel that does not expand by heat. Even if it expands, the change due to the expansion can be absorbed. Therefore, the gap E can prevent the light diffusion design portion 2 and the housing 4 from being damaged due to a difference in deformation due to heat.
　図４は、このように構成した意匠性発光装置１の光拡散意匠部２に影が映らないことを写真により説明する説明図である。図４（Ａ）の一部拡大斜視図および図４（Ｂ）の一部拡大正面図に示すように、光源９を発光させると、拡散板２の第１変位部２１および第２変位部２２が拡散板２の大部分をなす平面部分と同様に発光し、支持部５１の影が映らない。なお、この図４（Ａ）、図４（Ｂ）の写真では、拡散板２の手前側を切断し、支持部５１と第１変位部２１および第２変位部２２の位置関係がわかりやすくなるようにしている。また、光源９については、この写真の例では等間隔の格子状に上下左右に整列配置して備えている。 FIG. 4 is an explanatory diagram for explaining that a shadow is not reflected on the light diffusion design portion 2 of the designable light-emitting device 1 configured as described above. As shown in the partially enlarged perspective view of FIG. 4A and the partially enlarged front view of FIG. 4B, when the light source 9 emits light, the first displacement portion 21 and the second displacement portion 22 of the diffusion plate 2 are emitted. Emits light in the same manner as the plane portion forming most of the diffusion plate 2, and the shadow of the support portion 51 is not reflected. 4A and 4B, the front side of the diffusing plate 2 is cut so that the positional relationship between the support portion 51, the first displacement portion 21, and the second displacement portion 22 can be easily understood. I am doing so. In addition, the light source 9 is arranged in an up-down and left-right alignment in a lattice pattern at equal intervals in the example of this photograph.
　以上の構成により、光拡散意匠部２の縁の表面側に金属等の面押さえのない意匠性発光装置１を提供することができる。 With the above configuration, it is possible to provide the designable light emitting device 1 having no surface pressing of metal or the like on the surface side of the edge of the light diffusion design portion 2.
　意匠性発光装置１は、光変位部２０ｂにより、光源９を発光させると光拡散意匠部２の端部まで略均一に発光するため、支持部５１の影ができない美しい発光文字、発光図形、または発光模様を得ることができる。詳述すると、光源９からの光は、拡散板１１内で拡散されると共に、図３の一部拡大断面図の矢印Ｙ２に示すように、第１変位部２１と第２変位部２２から屈折して放射される。図示するように、矢印Ｙ２は、平面状の表面１２から放出される光を示す矢印Ｙ１と比べて、光源９の光を正面の中央側へ寄せて屈折させる。この屈折により、看者に対して支持部５１の影を視認させずに光源９からの光を光拡散意匠部２の隅々まで届けて視認させることができる。 Since the design light-emitting device 1 emits the light source 9 by the light displacement portion 20b to emit light substantially uniformly to the end of the light diffusion design portion 2, the beautiful light-emitting character, light-emitting figure, or A luminous pattern can be obtained. More specifically, the light from the light source 9 is diffused in the diffusion plate 11 and refracted from the first displacement portion 21 and the second displacement portion 22 as indicated by an arrow Y2 in the partially enlarged sectional view of FIG. Is emitted. As shown in the drawing, the arrow Y2 refracts the light from the light source 9 toward the front center side as compared to the arrow Y1 indicating the light emitted from the planar surface 12. By this refraction, the light from the light source 9 can be delivered to the corners of the light diffusion design part 2 and visually recognized without making the viewer visually recognize the shadow of the support part 51.
　光拡散意匠部２は、正面から見て筐体４と同じ大きさに形成されているため、筐体４の正面が視認されることのない全面光拡散意匠部２となる意匠性発光装置１を提供することができる。 Since the light diffusion design portion 2 is formed in the same size as the housing 4 when viewed from the front, the design light emitting device 1 that becomes the entire light diffusion design portion 2 where the front of the housing 4 is not visually recognized. Can be provided.
　また、支持部５１が拡散板１１の裏面２３と透過板１３の凸部１５で挟まれる構造により、光源９からの直接光が漏れ出ることを防止できる。 Further, the structure in which the support portion 51 is sandwiched between the back surface 23 of the diffusion plate 11 and the convex portion 15 of the transmission plate 13 can prevent direct light from the light source 9 from leaking.
　支持部５１の内側端と凹部１４の間に存在する空隙Ｅにより、野外に設置して直射日光等で温度変化が激しい環境でも、熱による光拡散意匠部２の膨張率と筐体４の膨張率の差を吸収して破損を防止することができる。 Due to the gap E between the inner end of the support portion 51 and the recess 14, the expansion ratio of the light diffusion design portion 2 and the expansion of the housing 4 due to heat can be set even in an environment where the temperature changes greatly due to direct sunlight or the like. The difference in rate can be absorbed to prevent breakage.
　なお、空隙Ｅには、容易に変形するクッション材を備えてもよい。これにより、屋外に設置した意匠性発光装置１において、雨水等の水分や粉塵が内部に侵入することを防止できる。 It should be noted that the gap E may be provided with a cushion material that easily deforms. Thereby, in the designable light-emitting device 1 installed outdoors, it can prevent that moisture and dust, such as rainwater, penetrate | invade into an inside.
　図５は、他の実施例を説明する説明図である。　
　図５（Ａ）は、実施例２の一部拡大断面図である。実施例２では、拡散板１１Ａの第１変位部２１Ａが直線形状に形成されている。その他の構成は、実施例１と同一であるので、同一要素に同一符号を付して詳細な説明を省略する。　
　この場合でも、実施例１と同じ効果を得ることができる。 FIG. 5 is an explanatory diagram for explaining another embodiment.
FIG. 5A is a partially enlarged cross-sectional view of the second embodiment. In the second embodiment, the first displacement portion 21A of the diffusion plate 11A is formed in a linear shape. Since the other configuration is the same as that of the first embodiment, the same components are denoted by the same reference numerals and detailed description thereof is omitted.
Even in this case, the same effect as in the first embodiment can be obtained.
　図５（Ｂ）は、実施例３の一部拡大断面図である。実施例３では、実施例２の拡散板１１Ａと透過板１３を重ねた形状と同じ形状の１つの拡散板１１Ｂを備えている。すなわち、拡散板１１Ｂは、一枚の拡散板の側面が加工されて、第１変位部２１Ａ、第２変位部２２、裏面２３、凹部１４Ｂ、凸部１５Ｂが形成されている。 FIG. 5B is a partially enlarged cross-sectional view of the third embodiment. In Example 3, one diffusion plate 11B having the same shape as the shape in which the diffusion plate 11A and the transmission plate 13 in Example 2 are overlapped is provided. That is, in the diffusion plate 11B, the side surface of one diffusion plate is processed to form the first displacement portion 21A, the second displacement portion 22, the back surface 23, the concave portion 14B, and the convex portion 15B.
　この場合でも、実施例１と同じ効果を得ることができる。また、一体形成であるため、実施例１，２のように拡散板１１と透過板１３を貼り合わせる工程を削減することができる。 Even in this case, the same effect as in the first embodiment can be obtained. Moreover, since it is integrally formed, the process of bonding the diffusion plate 11 and the transmission plate 13 as in the first and second embodiments can be reduced.
　図５（Ｃ）は、実施例４の一部拡大断面図である。実施例４では、実施例２の透過板１３が第１透過板１３１と第２透過板１３２を重ねて貼り合わせて構成されている。　
　この場合も。実施例１と同じ効果を得ることができる。また、実施例２であれば　透過板１３の端部を加工して凹部１４と凸部１５の段差を形成する必要があったが、この実施例４では２枚の透過板１３１，１３２を貼り合わせることで凹部１４Ｃと凸部１５Ｃの段差を形成することができる。 FIG. 5C is a partially enlarged cross-sectional view of the fourth embodiment. In the fourth embodiment, the transmission plate 13 of the second embodiment is configured by stacking and bonding the first transmission plate 131 and the second transmission plate 132 together.
Again. The same effect as in the first embodiment can be obtained. In the second embodiment, it is necessary to process the end of the transmission plate 13 to form a step between the concave portion 14 and the convex portion 15. In the fourth embodiment, the two transmission plates 131 and 132 are pasted. By combining them, a step between the concave portion 14C and the convex portion 15C can be formed.
　図５（Ｄ）は、実施例５の一部拡大断面図である。実施例５では、実施例２の拡散板１１Ａの裏面２３が筐体４の側面部５に設けられた支持部５１に直接的に接着されている。 FIG. 5D is a partially enlarged cross-sectional view of the fifth embodiment. In the fifth embodiment, the back surface 23 of the diffusion plate 11 </ b> A of the second embodiment is directly bonded to the support portion 51 provided on the side surface portion 5 of the housing 4.
　これにより、実施例１と同様に、光拡散意匠部２の縁の表面側に金属等の面押さえのない意匠性発光装置１を提供することができ、光源９を発光させると光拡散意匠部２の端部まで略均一に発光させることができる。 Thereby, like Example 1, the design light-emitting device 1 without surface pressings, such as a metal, can be provided in the surface side of the edge of the light-diffusion design part 2, and when the light source 9 is light-emitted, a light-diffusion design part The light can be emitted substantially uniformly up to the end of 2.
　また、実施例１のように熱による膨張／収縮に対応する空隙Ｅがないが、屋内に設置する場合やサイズが比較的小さい場合など、アクリル等の素材の膨張／収縮が発生しにくい場所で十分使用できる。また、これにより、透過板１３を排除してコストを削減することができる。 Further, there is no gap E corresponding to expansion / contraction due to heat as in the first embodiment, but in a place where expansion / contraction of a material such as acrylic is difficult to occur such as when installed indoors or when the size is relatively small. We can use enough. Moreover, this can eliminate the transmission plate 13 and reduce the cost.
　図５（Ｅ）は、実施例６の一部拡大断面図である。実施例６では、実施例１の拡散板１１Ｅの端部が筐体４の側面部５の外面よりも少し（幅Ｗ）だけ外側へ突出するように、拡散板１１Ｅが筐体４より少し大きく形成されている。その他の構成は、実施例１と同一であるので、同一要素に同一符号を付して詳細な説明を省略する。　
　この場合でも、実施例１と同じ効果を得ることができる。また、光拡散意匠部２Ｅが空隙Ｅによって多少移動しても、正面から筐体４が視認されず、全体が光拡散意匠部２Ｅとなる意匠性の優れた意匠性発光装置１Ｅを提供できる。なお、この実施例６と逆に、拡散板１１Ｅを筐体４より小さく形成し、正面から見ると光拡散意匠部２Ｅの外側に筐体４の支持部５１が幅Ｗだけ視認できるように構成してもよい。この場合は、光拡散意匠部２Ｅの外側で少し低い位置（裏面側の位置）に金属等の縁のある美観を提供することができる。 FIG. 5E is a partially enlarged cross-sectional view of the sixth embodiment. In the sixth embodiment, the diffusion plate 11E is slightly larger than the housing 4 so that the end of the diffusion plate 11E of the first embodiment projects slightly outward (width W) from the outer surface of the side surface portion 5 of the housing 4. Is formed. Since the other configuration is the same as that of the first embodiment, the same components are denoted by the same reference numerals and detailed description thereof is omitted.
Even in this case, the same effect as in the first embodiment can be obtained. In addition, even if the light diffusion design portion 2E is slightly moved by the gap E, the design light-emitting device 1E having excellent design properties in which the housing 4 is not visually recognized from the front and the whole is the light diffusion design portion 2E can be provided. Contrary to the sixth embodiment, the diffusion plate 11E is formed to be smaller than the casing 4, and the support part 51 of the casing 4 can be seen only by the width W outside the light diffusion design part 2E when viewed from the front. May be. In this case, it is possible to provide an aesthetic appearance with a metal edge or the like at a slightly lower position (a position on the back side) outside the light diffusion design portion 2E.
　なお、筐体４は、光拡散意匠部２と同じ形状としたが、これに限らず、正面を長方形の板状等の任意の形状とし、この正面に光拡散意匠部２の形状と同じで少し小さい穴を設けた形状としてもよい。この場合、穴の縁が支持部５１として光拡散意匠部２を支持する構成にするとよい。この場合も、筐体４の正面よりも正面側に重ねて配置された光拡散意匠部２が縁まで万遍なく発光し、支持部５１の影が光拡散意匠部２に映らない美観を提供することができる。 The housing 4 has the same shape as the light diffusion design portion 2, but is not limited thereto, and the front surface has an arbitrary shape such as a rectangular plate shape, and the front surface has the same shape as the light diffusion design portion 2. It is good also as a shape which provided a little small hole. In this case, the edge of the hole may be configured to support the light diffusion design portion 2 as the support portion 51. Also in this case, the light diffusing design part 2 arranged so as to overlap the front side of the front side of the housing 4 emits light evenly to the edge, and the aesthetic appearance that the shadow of the support part 51 is not reflected on the light diffusion design part 2 is provided. can do.
　この発明は、店名やロゴの照明サインや照明広告等に用いることができる他、ストロークによって描かれた意匠を光によって視認させる適宜の意匠性照明製作物に利用することができる。 The present invention can be used for a store name, a lighting sign for a logo, a lighting advertisement, and the like, and can be used for an appropriately designed lighting product in which a design drawn by a stroke is visually recognized.
１…意匠性発光装置
２…光拡散意匠部
４…筐体
９…光源
２０ａ…縁部
２０ｂ…光変位部
２１…第１変位部
２２…第２変位部
１１，１１Ａ，１１Ｂ，１１Ｅ…拡散板
１２…表面
１４，１４Ｂ，１４Ｃ…凹部
１５，１５Ｂ，１５Ｃ…凸部
２３…裏面
５１…支持部
Ｅ…空隙 DESCRIPTION OF SYMBOLS 1 ... Design light-emitting device 2 ... Light-diffusion design part 4 ... Case 9 ... Light source 20a ... Edge part 20b ... Light displacement part 21 ... 1st displacement part 22 ... 2nd displacement part 11, 11A, 11B, 11E ... Diffusing plate 12 ... front surface 14, 14B, 14C ... concave portion 15, 15B, 15C ... convex portion 23 ... back surface 51 ... support portion E ... gap

Claims (5)

  1. 　文字、図形、または模様を表す形状に形成されて光を拡散する光拡散意匠部と、
    前記光拡散意匠部に裏面側から光を照射する光源と、
    前記光拡散意匠部と前記光源を支持する筐体とを備え、
    前記光拡散意匠部は、光の方向を変位させる加工がなされた光変位部を縁部の少なくとも表面側に備え、
    前記筐体は、前記光変位部の裏面側に当接または近接して前記光拡散意匠部を支持する支持部を備え、
    前記光変位部は、正面から前記光拡散意匠部の表面を視認すると前記光源からの光による前記支持部の影が見られないか見えづらくなる方向へ光を変位させる構成である
    意匠性発光装置。     A light diffusion design part that is formed into a shape representing a character, figure, or pattern and diffuses light;
    A light source for irradiating light from the back side to the light diffusion design portion;
    The light diffusion design portion and a housing that supports the light source,
    The light diffusion design portion is provided with a light displacement portion that is processed to displace the direction of light on at least the surface side of the edge portion,
    The housing includes a support portion that supports the light diffusion design portion in contact with or close to the back side of the light displacement portion,
    The design light emitting device, wherein the light displacing portion is configured to displace light in a direction in which a shadow of the support portion due to light from the light source is not seen or difficult to see when the surface of the light diffusion design portion is viewed from the front. .
  2. 　前記光変位部は傾斜角度または湾曲半径の異なる２以上の面加工によって形成された
    請求項１記載の意匠性発光装置。     The design light emitting device according to claim 1, wherein the light displacement portion is formed by two or more surface processings having different inclination angles or bending radii.
  3. 　前記縁部は、正面側の前記光変位部と、前記光変位部の裏面側で前記変位部の側端より内側へ奥まった奥部と、前記奥部の裏面側で前記奥部の側端より外側へ突出するガイド部とを備え、
    前記支持部は、前記光変位部と前記ガイド部の間で挟まれる構成である
    請求項１または２記載の意匠性発光装置。     The edge portion includes the light displacement portion on the front side, a back portion recessed inward from the side end of the displacement portion on the back surface side of the light displacement portion, and a side edge of the back portion on the back surface side of the back portion. A guide portion protruding outward,
    The design light emitting device according to claim 1, wherein the support portion is configured to be sandwiched between the light displacement portion and the guide portion.
  4. 　前記支持部の突出量は、前記奥部に当接せず、かつ、前記光変位部と前記ガイド部の間で挟まれる量であり、前記支持部と前記奥部の間に膨張／伸縮対応用の空隙を備えた
    請求項３記載の意匠性発光装置。     The protrusion amount of the support part is an amount that does not contact the back part and is sandwiched between the light displacement part and the guide part, and supports expansion / contraction between the support part and the back part. The designable light-emitting device according to claim 3, further comprising a void for use.
  5. 　文字、図形、または模様を表す形状に形成されて光を拡散する光拡散意匠部を有する光拡散部材であって、
    前記光拡散意匠部は、光の方向を変位させる加工がなされた光変位部を縁部の少なくとも表面側に備え、
    前記光変位部は、正面から前記光拡散意匠部の表面を視認すると前記光源からの光による前記支持部の影が見られないか見えづらくなる方向へ光を変位させる構成である
    光拡散部材。     A light diffusing member having a light diffusing design portion that diffuses light formed in a shape representing a character, figure, or pattern,
    The light diffusion design portion is provided with a light displacement portion that is processed to displace the direction of light on at least the surface side of the edge portion,
    The light diffusing member is a light diffusing member configured to displace light in a direction in which a shadow of the support part due to light from the light source is not seen or difficult to see when the surface of the light diffusing design part is viewed from the front.
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