WO2014185054A1 - Dispositif d'éclairage - Google Patents

Dispositif d'éclairage Download PDF

Info

Publication number
WO2014185054A1
WO2014185054A1 PCT/JP2014/002516 JP2014002516W WO2014185054A1 WO 2014185054 A1 WO2014185054 A1 WO 2014185054A1 JP 2014002516 W JP2014002516 W JP 2014002516W WO 2014185054 A1 WO2014185054 A1 WO 2014185054A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
light guide
light source
length direction
base
Prior art date
Application number
PCT/JP2014/002516
Other languages
English (en)
Japanese (ja)
Inventor
大野　達司
小泉　秀樹
田中　敏裕
Original Assignee
パナソニックＩｐマネジメント株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2013101062A external-priority patent/JP6191947B2/ja
Priority claimed from JP2013112607A external-priority patent/JP6182733B2/ja
Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Priority to DE112014002392.2T priority Critical patent/DE112014002392T5/de
Priority to CN201490000670.7U priority patent/CN205137088U/zh
Publication of WO2014185054A1 publication Critical patent/WO2014185054A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F21V15/015—Devices for covering joints between adjacent lighting devices; End coverings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/005—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips for several lighting devices in an end-to-end arrangement, i.e. light tracks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/0006—Coupling light into the fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre

Definitions

  • the present invention relates to a lighting device provided with a rod-shaped light guide.
  • Japanese Patent Publication No. 2012-174446 discloses an illumination device including a light source and a rod-shaped light guide.
  • the light source in this illuminating device is accommodated in the recessed part provided in the end surface of the light guide in the length direction.
  • the inner surface of the concave portion of the light guide is a light incident surface on which light emitted from the light source is incident. The light incident on the light guide from the light incident surface is emitted from one surface along the length direction of the light guide.
  • the light guide described in Document 1 may vary in length due to manufacturing errors, or may change in length due to thermal contraction.
  • the light guide When the light guide is shortened, the light incident surface is separated from the light source, and light emitted from the light source leaks from between the light source and the light incident surface, which may reduce the light emission efficiency of the light guide.
  • the light guide when the light guide becomes long, the light guide may come into contact with the light source and the light source may be damaged.
  • an object of the present invention is to suppress a reduction in light emission efficiency even when the length of the light guide changes due to the manufacturing tolerance of the light guide or the influence of heat, and the light guide is a light source. It is in providing the illuminating device which can also suppress contacting.
  • the lighting device includes at least one light source, at least one light source housing, and a light guide.
  • the light guide is elongated.
  • the light guide includes at least one light incident surface and a light exit surface that emits light incident from the light incident surface.
  • the light incident surface is an end surface in the length direction of the light guide.
  • the light exit surface is a surface along the length direction of the light guide, and the light incident surface faces the light source housing.
  • the light source storage body includes a storage hole and a stopper portion. The storage hole opens on the light incident surface side.
  • the light source is stored in the storage hole in a state surrounded by the inner peripheral surface of the storage hole.
  • An end on the light incident surface side in the length direction of the light guide is fitted into the storage hole so as to be slidable in the length direction of the light guide.
  • the light incident surface is disposed at a position facing the light source via a gap with the light source.
  • the stopper portion faces the light incident surface and is positioned between the light source and the light guide in the length direction of the light guide.
  • the illumination device accommodates the end of the light guide on the light incident surface side in the light source housing even when the length of the light guide varies or the length of the light guide changes. It can be fixed firmly by fitting in the hole. Moreover, it can suppress that the light-incidence surface of a light guide contacts a light source because the light-incidence surface of a light guide contacts a stopper part.
  • the light source is stored in a state surrounded by the inner peripheral surface of the storage hole of the light source storage body. For this reason, the light emitted from the light source is difficult to leak out of the light source housing. Therefore, luminous efficiency is improved.
  • 5B is an exploded view when viewed from the front side of the base. It is a perspective view. It is a perspective view of the light source storage body of this embodiment. It is a perspective view of the base of this embodiment, and the light source block attached to this. It is the perspective view which showed the opposing part when arrange
  • the illuminating device 1 of this embodiment is a long shape extended in one direction as shown in FIG. Specifically, the lighting device 1 has a long bar shape.
  • the lighting device 1 is attached to the attachment surface 2 as shown in FIG.
  • the mounting surface 2 is a surface of the wall 20 such as a room, a hallway, or a staircase.
  • the lighting device 1 attached to the wall 20 can illuminate the floor surface and the tread surface.
  • the lighting device 1 is attached to a wall 20 of a room or a corridor in a state where it is horizontal so that its length direction is parallel to the floor surface, for example. Moreover, the illuminating device 1 is attached to the staircase wall 20 in a state tilted with respect to the horizontal so that the length direction thereof is parallel to the slope of the staircase, for example.
  • the illuminating device 1 may be provided independently with respect to the attachment surface 2, and two or more may be provided side by side so that it may become linear form. Further, the location (mounting surface 2) where the lighting device 1 is mounted is not limited to the surface of the wall 20.
  • the lighting device 1 may be attached to, for example, a building material other than the wall 20, a mirror cabinet of a bathroom vanity, a sink, or the like. That is, in this case, the surface of the building material, the surface of the mirror cabinet, or the surface of the sink becomes the mounting surface 2.
  • the lighting device 1 will be described with reference to the direction when the lighting device 1 is attached to the wall 20 with its length direction horizontal. Specifically, the description will be made with the wall 20 side as viewed from the lighting device 1 as the rear, the indoor side as the front, and the length direction of the lighting device 1 as the left-right direction.
  • the illumination device 1 includes a base 3, a pair of light source blocks 7A and 7B, a light guide block 8, a pair of diffusion covers 5A and 5B, and a surface cover 6, as shown in FIG. Moreover, the illuminating device 1 of this embodiment is further provided with a pair of end caps 9A and 9B.
  • the base 3 is a long member extending left and right, and is formed from a heat transfer material having excellent heat transfer properties.
  • the base 3 is formed from a metal plate such as aluminum, stainless steel, or iron. By forming the base 3 from such a metal, the heat transfer effect of the base 3 can be enhanced and the heat dissipation can be improved. Moreover, by forming the base 3 from a metal plate, bending can be easily performed.
  • the base 3 may be formed from a metal other than aluminum, stainless steel, or iron.
  • the base 3 may be formed of a material other than a metal such as a synthetic resin.
  • a heat transfer material such as a metal having excellent heat conductivity or a conductive filler may be mixed in the material. Good.
  • the base 3 when the base 3 is formed from a synthetic resin, the base 3 may be formed by processing a resin molded product, or the resin molded product is used as it is as the base 3 without being processed. Also good. Further, the base may be formed from a synthetic resin plate, and in this case, bending can be easily performed.
  • the base 3 is manufactured, for example, by subjecting an extruded product made of aluminum to bending or drilling.
  • the base 3 includes a base main body 30 and a pair of attachment portions (heat dissipating pieces) 31A and 31B.
  • the base body portion 30 of the present embodiment is a strip-like base plate portion whose thickness direction is parallel to the front-rear direction and extends left and right.
  • the rear surface of the base main body 30 constitutes the rear surface of the lighting device 1.
  • the base main body 30 is arranged along the surface of the wall 20 which becomes the mounting surface 2 as shown in FIG.
  • the base main body 30 is fixed to the wall 20 using a plurality of fixing tools. That is, the base main body 30 is a portion that is attached to the attachment surface 2 in the lighting device 1. For example, a screw 25 is used as the fixing tool.
  • the attachment portion 31 ⁇ / b> A is provided on one end side (specifically, the left end portion) in the length direction (left-right direction) of the base main body portion 30.
  • the attachment portion 31 ⁇ / b> B is provided on the side opposite to the attachment portion 31 ⁇ / b> A (specifically, the right end portion) in the length direction of the base body portion 30.
  • Both attachment portions 31A have a symmetrical shape and have a common configuration. Therefore, in the following, the right attachment portion 31B will be described in detail, and description of points common to the attachment portion 31B in the left attachment portion 31A will be omitted.
  • the attachment portion 31B of the present embodiment is a bent projecting piece formed by bending the lengthwise end of the base main body 30 forward.
  • the attachment portion 31B is integral with the base body portion 30.
  • the mounting portion 31B protrudes forward from the left and right end portions of the base main body portion 30.
  • the attachment portion 31B includes a bent portion 315B formed when the lengthwise end of the base main body portion 30 is bent, and an extending portion 316B extending forward from the bent portion 315B. .
  • the extension portion 316A provided in the attachment portion 31A and the extension portion 316B provided in the attachment portion 31B are opposed to each other.
  • the bent portion 315B is located at the rear end that is the base of the attachment portion 31B, and slightly extends from the base main body 30 toward the outside in the length direction of the base main body 30. Out.
  • the rear surface 317B of the bent portion 315B constitutes the rear end surface of the attachment portion 31B.
  • the bent portion 315B is curved so that the portion away from the base main body 30 in the left-right direction is positioned forward. For this reason, the rear surface 317B of the bent portion 315B is curved so that the portion away from the base body 30 in the left-right direction is positioned forward.
  • the rear surface 317B of the bent portion 315B is located in front of the rear surface of the base main body 30.
  • the rear surface of the base body 30 contacts the attachment surface 2.
  • the rear surface 317B of the bent portion 315B is easily disposed in front of the mounting surface 2 via the gap 27B (see FIG. 9).
  • the gap 27B is formed between the attachment surface 2 and the rear surface 317B of the bent portion 315B, the heat of the attachment portion 31B is hardly transmitted to the attachment surface 2.
  • the heat generated in the light source 72B and the circuit board 74B included in the light source block 7B is concentratedly transmitted to the mounting portion 31B, but the mounting surface 2 (wall 20 or the like) before the heat diffuses to the base main body portion 30. If this is transmitted, there is a risk that the mounting surface 2 may be discolored due to this influence.
  • the gap 27B is formed between the rear surface 317B of the bent portion 315B and the mounting surface 2 as described above.
  • a portion of the mounting surface 2 corresponding to the mounting portion 31B is not easily deteriorated by heat.
  • the gap 27B is large enough to insert a copy sheet specified by the JIS standard, it is possible to sufficiently suppress deterioration due to heat of the attachment portion of the wall 20 corresponding to the attachment portion 31B.
  • the rear surface 317B of the bent portion 315B can be positioned in front of the rear surface of the base main body 30 simply by bending a part of the base main body 30 when forming the attachment portion 31B. . That is, it is possible to easily suppress deterioration of the mounting surface 2 due to heat only by bending and raising a part of the base main body 30 to form the mounting portion 31B.
  • the attachment portion 31B is not necessarily formed by bending.
  • the base 3 including the base main body portion 30 and the attachment portions 31A and 31B may be formed by integral molding.
  • the base body 30 preferably includes a through hole 300 (see FIG. 3) through which the screw 25 (fixing tool) is passed.
  • a through hole 300 By providing such a through hole 300, the operator can easily fix the base body 30 to the mounting surface 2 by simply screwing the screw 25 into the mounting surface 2 through the through hole 300.
  • the through hole 300 is located closer to the center side of the base body part 30 than the attachment part 31A and the light source blocks 7A and 7B in the left-right direction (the length direction of the base body part 30).
  • both left and right ends of the base main body 30 are fixed to the mounting surface 2 using screws 25.
  • the gap 27B formed between the rear surface 317B of the attachment portion 31B and the attachment surface 2 may be reduced or substantially eliminated.
  • both ends in the length direction of the base 3 provided with the mounting portions 31A and 31B are the mounting surfaces. It becomes easier to move forward from 2. Therefore, it is possible to further suppress the heat of the attachment portions 31 ⁇ / b> A and 31 ⁇ / b> B from being directly transmitted to the attachment surface 2.
  • the light source block 7A is attached to the attachment portion 31A, and the light source block 7B is attached to the attachment portion 31B.
  • Both the light source blocks 7A and 7B have a bilaterally symmetric shape and have a common configuration. Therefore, in the following, the right light source block 7B will be described in detail, and the description of the points common to the light source block 7B in the left light source block 7A will be omitted.
  • the light source block 7B includes a light source housing 70B, a circuit board 74B, a light source 72B, and a heat transfer sheet 73B.
  • the light source housing 70B of the present embodiment is a case for housing the circuit board 74B and the light source 72B provided on the circuit board 74B.
  • the light source housing 70 ⁇ / b> B is made of a material having a higher reflectance than the base 3.
  • the light source housing 70B is formed of a highly reflective material such as polypropylene having a high reflectance, for example.
  • the light source container 70B is formed in a substantially block shape that is substantially the same size and shape as the corresponding attachment portion 31B when viewed from the left-right direction.
  • the light source storage body 70B is disposed on the inner side (the center side in the length direction of the base 3) of both the attachment portions 31A and 31B so as to face the attachment portion 31B.
  • a storage hole 700B is formed in the light source storage body 70B.
  • the storage hole 700B of the present embodiment is a hole that penetrates the light source storage body 70B in the left-right direction.
  • the light source housing 70A includes a housing hole having the same configuration as the housing hole 700B (hereinafter referred to as a housing hole 700A for convenience).
  • the storage hole 700B includes a substrate recess 701B, a through hole 702B, and a light guide recess 703B.
  • the substrate recess 701B, the through hole 702B, and the light guide recess 703B are formed side by side in this order from the mounting portion 31B side.
  • the substrate recess 701B opens toward the mounting portion 31B.
  • the light guide recess 703B opens toward the side opposite to the attachment portion 31B in the left-right direction.
  • the through-hole 702B penetrates the portion of the light source housing 70B that serves as the bottom of the substrate recess 701B and the bottom of the light guide recess 703B in the left-right direction.
  • the through hole 702B has a substantially circular shape in which the cross-sectional shape orthogonal to the left-right direction is slightly larger than the light source 72B.
  • One end of the through hole 702B opens to the bottom surface of the substrate recess 701B, and the other end of the through hole 702B opens to the bottom surface of the light guide recess 703B.
  • the board recess 701B is formed in a rectangular shape that matches the circuit board 74B when viewed from the left-right direction (viewed from the mounting portion 31B side).
  • the light source 72B of the present embodiment is a point light source composed of a light emitting diode.
  • the light source 72B is mounted on the circuit board 74B.
  • the light source 72B is not limited to the light emitting diode, and may be another light source such as a light bulb.
  • the light source block 7A includes a light source having the same configuration as the light source 72B (hereinafter referred to as the light source 72A for convenience).
  • the circuit board 74B is fitted into the board recess 701B from the mounting portion 31B side with the mounting surface, which is the surface on which the light source 72B is provided, facing the through hole 702B.
  • the circuit board 74B fitted in the board recess 701B is restricted from moving in the vertical direction and the front-rear direction by the inner peripheral surface of the board recess 701B.
  • the circuit board 74B closes the opening of the through hole 702B on the board recess 701B side.
  • the light source 72B is housed in the through hole 702B in a state where the entire light source 72B is surrounded by the inner peripheral surface of the through hole 702B.
  • the heat transfer sheet 73B is a heat transfer member that transfers heat generated in the light source 72B and the circuit board 74B to the attachment part 31B while electrically insulating the circuit board 74B and the attachment part 31B.
  • the heat transfer sheet 73B is formed of a material having excellent thermal conductivity such as silicone.
  • the heat transfer sheet 73B has a rectangular shape that is slightly larger than the circuit board 74B when viewed from the left-right direction.
  • One surface of the heat transfer sheet 73B is joined to the surface on the mounting portion 31B side of the circuit board 74B (the surface opposite to the light source 72B).
  • the peripheral edge portion of the heat transfer sheet 73B protrudes outward from the peripheral edge of the circuit board 74B.
  • the heat transfer sheet 73B is disposed between the light source housing 70B and the mounting portion 31B in a state along the surface on the mounting portion 31B side of the light source housing 70B.
  • Position restriction portions 705B and 712B are formed on the front and rear sides of the lower end portion of the light source housing 70B, respectively. Each position restricting portion 705B, 712B protrudes from the lower end portion of the light source housing 70B toward the attachment portion 31B. Notch portions 311B and 313B are respectively formed in front and rear of the lower end portion corresponding to the position restricting portions 705B and 712B in the attachment portion 31B.
  • a hooking portion 704B protruding toward the mounting portion 31B is formed at the upper end of the light source housing 70B.
  • a hooking hole 310B is formed at the upper end portion of the mounting portion 31B corresponding to the hooking portion 704B.
  • a plurality of screw holes 706B and 713B are formed at the upper end of the light source housing 70B.
  • Each screw hole 706B, 713B is opened toward the attachment portion 31B side.
  • screw holes 706B and 713B are formed on both front and rear sides of the latching portion 704B.
  • insertion holes 312B and 314B penetrating in the left-right direction are formed at locations corresponding to the screw holes 706B and 713B at the upper end of the attachment portion 31B.
  • the position restricting portions 705B and 712B are disposed in the corresponding cutout portions 311B and 313B, and the position restricting portions 705B and 712B are arranged in the front-rear direction of the light source container 70B. Restrict movement and upward movement.
  • the operator hooks and stops (hangs) the hooking portion 704B on the edge of the hooking hole 310B in the attachment portion 31B.
  • screws 21B and 26B as fixing tools are inserted into the insertion holes 312B and 314B, and the screws 21B and 26B are screwed into the corresponding screw holes 706B and 713B. Thereby, the light source container 70B is attached to the attachment portion 31B.
  • the heat transfer sheet 73B is sandwiched between the peripheral part of the substrate recess 701B and the attachment part 31B in the light source container 70B, and the heat transfer sheet 73B is in the left-right direction. Is compressed. Further, the circuit board 74B and the heat transfer sheet 73B are sandwiched between the bottom surface of the board recess 701B and the mounting portion 31B, and the circuit board 74B is thermally connected to the corresponding mounting portion 31B via the heat transfer sheet 73B. Is done.
  • the light source 72B and the circuit board 74B serve as a heat generating portion that generates heat when the light source 72B emits light.
  • the heat generated in the light source 72B and the circuit board 74B is transmitted to the corresponding mounting portion 31B via the heat transfer sheet 73B.
  • this heat is transmitted to the base body 30 having a surface area far larger than that of the attachment portion 31B, and is diffused and dissipated. That is, in this case, the base 3 functions as a heat radiating part that dissipates heat generated in the light source 72B and the circuit board 74B.
  • the light guide block 8 includes a light guide 80 and a holder 81 as shown in FIG.
  • the light guide 80 has translucency.
  • the light guide 80 is formed in a long shape extending in the left-right direction, specifically a rod shape.
  • the light guide 80 is an extruded product formed of, for example, an acrylic resin.
  • the light guide 80 has a non-circular cross-sectional shape orthogonal to its length direction.
  • the light guide 80 has a narrower upper end portion than the lower portion.
  • the shape of the cross section of the light guide 80 is not limited to the shape shown in FIG. 3, and may be a rectangle, a circle, an ellipse, or the like.
  • the light guide 80 includes a pair of light incident surfaces 800A and 800B (see FIG. 4), a light exit surface 801, and a reflecting portion 802.
  • one of the light incident surfaces 800A, 800B is one light incident surface 800A in the length direction of the light guide 80 (specifically, the left end surface), and the other light incident surface.
  • Reference numeral 800B denotes an end surface (right end surface) opposite to the light incident surface 800A.
  • Light emitted from the light sources 72A and 72B of the corresponding light source blocks 7A and 7B is incident on the respective light incident surfaces 800A and 800B.
  • the light exit surface 801 is the lower surface of the light guide 80 and is a surface along the length direction of the light guide 80.
  • the reflecting portion 802 is an upper end surface that faces the opposite side of the light exit surface 801 on one surface along the length direction of the light guide 80.
  • the reflection part 802 may be the upper end part of the light guide 80.
  • the holder 81 holds the light guide 80.
  • the holder 81 has a light shielding property.
  • the holder 81 is a long member extending in the left-right direction.
  • the holder 81 is shorter in the left-right direction than the light guide 80.
  • the holder 81 is an extruded product formed of, for example, an acrylic resin. Note that the material of the holder 81 is not limited to acrylic resin, and may be formed of other materials having light shielding properties.
  • the holder 81 has a larger linear expansion coefficient than the light guide 80 and the base 3.
  • the base 3 has a smaller linear expansion coefficient than the light guide 80.
  • the holder 81 is formed with a storage groove 810 that opens downward in the length direction. As shown in FIG. 4, the light guide 80 is fitted inside the storage groove 810 with both end portions in the length direction protruding outward in the left-right direction from the holder 81. Thus, the light guide 80 is held by the holder 81 in a state where the entire light exit surface 801 is exposed downward from the storage groove 810.
  • a portion excluding both ends in the length direction of the light guide 80 and excluding the light exit surface 801 is covered with the holder 81.
  • the light guide 80 held by the holder 81 is slidable in the left-right direction with respect to the storage groove 810.
  • the storage hole 700B is provided with an opening 707B.
  • the opening 707B is formed at the end opposite to the attachment portion 31B at the lower end of the light source housing 70B.
  • the light guide recess 703 ⁇ / b> B opens downward through the opening 707 ⁇ / b> B, which is a direction orthogonal to the length direction of the light guide 80. That is, as shown in FIG. 4, both the light source storage bodies 70A and 70B are opened downward in the same direction via the openings 707A and 707B.
  • the front-rear width of the opening 707B is substantially the same as the maximum front-rear width of the light guide 80 (specifically, the front-rear width of the light exit surface 801). For this reason, both ends in the length direction of the light guide 80 can be inserted into the corresponding light guide recesses 703A and 703B from below through the corresponding openings 707A and 707B.
  • the light guide block 8 is disposed between the two light source storage bodies 70A and 70B. As shown in FIG. 1, the right end portion (the end portion on the attachment portion 31B side in the length direction) protruding from the holder 81 of the light guide 80 is formed in the light guide recess 703B of the corresponding light source storage body 70B. It is inserted through the opening 707B and fitted into the light guide recess 703B. The left end protruding from the holder 81 of the light guide 80 (the end on the attachment portion 31A side in the length direction) is inserted into the corresponding light guide recess 703A of the light source housing 70A through the opening 707A. The light guide is fitted into the recess 703A.
  • the shape of the inner peripheral surface of the light guide recess 703 ⁇ / b> B is a cross-section orthogonal to the length direction of the light guide 80 when viewed from the left-right direction (viewed from the light guide 80 side). It matches the shape of The shape of the cross section orthogonal to the left-right direction of the light guide recess 703B is the same over the left-right direction of the light guide recess 703B. Both ends in the length direction of the light guide 80 are fitted to the corresponding light guide recesses 703A and 703B so as to be slidable in the left-right direction.
  • both ends of the light guide 80 can be fitted into the corresponding light guide recesses 703A and 704B.
  • the left and right lengths of the light guide recess 703A are set.
  • the light incident surface 800B of the light guide 80 is disposed to face the bottom surface of the light guide recess 703B of the light source housing 70B.
  • the light incident surface 800B is spaced apart from the light source 72B in the left-right direction, and a gap 24B is formed between the light incident surface 800B and the corresponding light source 72B.
  • the light incident surface 800A of the light guide body 80 is spaced apart from the light source 72A in the left-right direction, and although not shown, a gap is formed between the light incident surface 800A and the corresponding light source 72A.
  • both the light sources 72A and 72B emit light
  • light emitted from the light sources 72A and 72B enters the light guide 80 from the corresponding light incident surfaces 800A and 800B of the light guide 80.
  • the light travels toward the opposite light incident surfaces 800B and 800A while being reflected by a surface along the length direction of the light guide 80.
  • the light reaches the reflecting portion 802, diffuses and diffuses in the reflecting portion 802, and then exits from the light exit surface 801 downward.
  • the light guide recess 703B of the light source housing 70B is larger than the through hole 702B when viewed from the left-right direction.
  • the bottom surface of the light guide recess 703B (the portion located on the outer peripheral side of the through hole 702B) faces the light incident surface 800B of the light guide 80 shown in FIG.
  • the bottom surface of the light guide recess 703B is a stopper portion 708B.
  • the stopper portion 708B is located between the light source 72B and the light guide 80 in the left-right direction. That is, the stopper portion 708B is located closer to the light guide 80 than the light source 72B in the left-right direction.
  • the stopper portion 708B contacts and contacts the light incident surface 800B before the light incident surface 800B contacts the light source 72B. Thereby, the movement to the light source 72B side of the light guide 80 is controlled.
  • the light guide 80 is designed so that a gap 23B is formed between the stopper portion 708B and the light incident surface 800B.
  • the end surface on the attachment portion 31B side in the length direction of the holder 81 is disposed between the surface on the light guide body 80 side of the light source storage body 70B via a gap 22B.
  • the end surface on the attachment portion 31A side in the length direction of the holder 81 is a gap (hereinafter referred to as a gap 22A for convenience) between the light source housing 70A and the surface on the light guide body 80 side. ) Is arranged through.
  • the linear expansion coefficient of the holder 81 is larger than the linear expansion coefficient of the light guide 80.
  • the gap 22B is designed so that the length in the left-right direction is slightly longer than the gap 23B.
  • the gap 22A is designed such that the length in the left-right direction is slightly longer than the gap formed between the corresponding light incident surface 800A and the stopper portion 708A.
  • the holder 81 includes a fixing portion 811.
  • the fixed portion 811 has a long shape extending in the left-right direction.
  • the fixing portion 811 is formed in an L-shaped side section.
  • the fixing portion 811 includes a horizontal piece portion 812 and a vertical piece portion 813.
  • the front end portion of the horizontal piece portion 812 is integrally connected to the storage groove portion 810.
  • the vertical piece 813 protrudes upward from the rear end of the horizontal piece 812.
  • the vertical piece 813 is disposed along the front surface of the base main body 30.
  • the vertical piece 813 is fixed to the base main body 30 using a fixing tool or the like. Thereby, the light guide block 8 is attached to the base 3.
  • the fixing tool include a plurality of screws.
  • the pair of diffusion covers 5A and 5B are formed in a substantially plate shape perpendicular to the vertical direction as shown in FIG.
  • One diffusion cover 5A is attached to the left light source housing 70A, and the other diffusion cover 5B is attached to the right light source housing 70B.
  • Both diffusion covers 5A and 5B are symmetrical and have a common configuration. For this reason, in the following, the diffusion cover 5B will be described in detail, and description of points common to the diffusion cover 5B in the diffusion cover 5A will be omitted.
  • the diffusion cover 5B is formed of a translucent material having light transmission properties and light diffusion properties.
  • the diffusion cover 5B is formed of, for example, milky white acrylic resin.
  • a protrusion 709B that slightly protrudes downward is formed on the front edge of the lower surface of the light source housing 70B.
  • a protrusion 714B that slightly protrudes downward is formed on the rear edge of the lower surface of the light source housing 70B.
  • a fitting recess 710B that opens downward is formed between the two protrusions 709B and 714B.
  • the position restricting portion 705B described above extends from the protrusion 709B to the attachment portion 31B side, and the position restriction portion 712B extends from the protrusion 714B to the attachment portion B side.
  • the opening 707B of the light guide recess 703B is an end on the lower surface (upper bottom surface of the fitting recess 710B) between the protrusions 709B and 714B of the light source housing 70B on the side opposite to the mounting portion 31B. It opens downward from.
  • the rear surface of the protrusion 709B and the front surface of the protrusion 714B are opposed to each other.
  • a groove 711B is formed on the rear surface of the protrusion 709B.
  • a groove 715B is formed on the front surface of the protrusion 714B. Each groove part 711B and 715B is extended in the left-right direction, and is opened on the opposite side to the attachment part 31B.
  • the diffusion cover 5B has a front edge inserted into and fitted into the groove 711B from the side opposite to the attachment 31B, and a rear edge inserted into the groove 715B from the opposite side of the attachment 31B. Thereby, the diffusion cover 5B is attached to the light source housing 70B. As shown in FIG. 8, the diffusion cover 5B closes the opening 707B of the light guide recess 703B.
  • the diffusion cover 5B covers each of the light exit surface 801 at the end (right end) in the length direction of the light guide 80 and the gap 23B.
  • the light source housing 70B is made of a highly reflective material.
  • the inner peripheral surface of the light guide recess 703B is a reflective surface having a high reflectance.
  • a part of the light emitted from the light source 72B accommodated in the through hole 702B reflects the inner peripheral surface of the light guide recess 703B and travels toward the opening 707B of the light guide recess 703B.
  • a part of the light emitted from the light source 72A reflects the inner peripheral surface of the light guide recess 703A of the light source housing 70A and travels toward the opening 707A of the light guide recess 703A.
  • the light emitted from the light exit surfaces 801 at both ends in the length direction of the light guide 80 also travels toward the corresponding openings 707A and 707B. In this way, the light directed toward the openings 707A and 707B passes through the corresponding diffusion covers 5A and 5B and is emitted to the outside of the light source storage bodies 70A and 70B.
  • Each diffusion cover 5A, 5B diffuses light emitted downward from the diffusion covers 5A, 5B by appropriately determining the shape, material, and the like.
  • the diffusion covers 5 ⁇ / b> A and 5 ⁇ / b> B diffuse light emitted downward so that the optical axis direction is inclined outward in the length direction of the light guide 80. Therefore, as shown in FIG. 8, when the lighting devices 1, 1 are installed side by side, both the lighting devices 1, 1 from the diffusion cover 5 ⁇ / b> A of one lighting device 1 and the diffusion cover 5 ⁇ / b> B of the other lighting device 1. Light can also be emitted to the lower part of the joint of the two lighting devices 1, and it becomes difficult to make a shadow at the joint of the two lighting devices 1 and 1.
  • Each of the diffusion covers 5A and 5B may be configured to diffuse light only toward the outside in the length direction of the light guide 80, or in addition to the outside in the length direction of the light guide 80. You may comprise so that it may spread including other directions.
  • the front cover 6 is a long member extending in the left-right direction.
  • the front cover 6 is attached to the base 3 as shown in FIG.
  • the front cover 6 is formed in a substantially C-shaped cross section that opens rearward.
  • the front cover 6 includes an upper surface portion 60, a front surface portion 61, and a lower surface portion 62.
  • the upper surface of the upper surface portion 60 constitutes the upper surface of the lighting device 1.
  • the front surface of the front surface portion 61 constitutes the front surface of the lighting device 1.
  • the lower surface portion 62 constitutes the lower surface of the lighting device 1.
  • the front cover 6 is attached to the base 3 by hooking and holding the rear end portion of the upper surface portion 60 on the upper end portion of the base 3 and hooking the rear end portion of the lower surface portion 62 on the lower end portion of the base 3.
  • the surface cover 6 attached to the base 3 in this manner covers the upper, front, and lower sides of the light source blocks 7A and 7B and the light guide block 8.
  • the upper surface portion 60 and the front surface portion 61 of the surface cover 6 have light shielding properties.
  • the lower surface part 62 of the surface cover 6 has translucency.
  • the front cover 6 is formed of ABS (Acrylonitrille Butadiene Styrene) resin whose upper surface portion 60 and front surface portion 61 are colored, and the lower surface portion 62 is formed of transparent ASA (acrylate styrene acrylonitrile) resin.
  • the surface cover 6 is formed by two-color extrusion molding.
  • the prism part 63 is configured to bend the light emitted from the light exit surface 801 of the light guide 80 forward. For this reason, the light emitted downward from the light exit surface 801 of the light guide 80 is emitted from the lower surface portion 62 of the front cover 6 obliquely downward to the front.
  • the lower surface portion 62 of the front cover 6 may have a lens shape such as a concave lens, a convex lens, or a Fresnel lens.
  • the prism part 63 can be omitted.
  • FIG. 4 shows the end caps 9A and 9B.
  • Both end caps 9 ⁇ / b> A and 9 ⁇ / b> B are used when the lighting device 1 is provided independently with respect to the mounting surface 2.
  • both end caps 9A and 9B should just be used as needed.
  • the left end cap 9A of the left lighting device 1 and the right end cap 9B of the right lighting device 1 are used.
  • the right end cap 9B of the left illumination device 1 and the left end cap 9A of the right illumination device 1 are omitted.
  • Both the end caps 9A and 9B are symmetrical and have a common configuration. Therefore, in the following, the end cap 9B will be described in detail, and description of points common to the end cap 9B in the end cap 9A will be omitted.
  • the end cap 9B has a light shielding property. As shown in FIG. 2, the end cap 9 ⁇ / b> B is attached to the front cover 6. Thus, the end cap 9 ⁇ / b> B attached to the front cover 6 closes the opening formed at the end of the front cover 6 in the length direction.
  • the lighting device 1 of the present embodiment described above has the first feature described below.
  • the illumination device 1 includes at least one light source 72A (72B), at least one light source housing 70A (70B), and a light guide 80.
  • the light guide 80 is long.
  • the light guide 80 includes at least one light incident surface 800A (800B) and a light exit surface 801 that emits light incident from the light incident surface 800A (800B).
  • the light incident surface 800A (800B) is an end surface of the light guide 80 in the length direction.
  • the light exit surface 801 is a surface along the length direction of the light guide 80.
  • the light incident surface 800A (800B) faces the light source housing 70A (70B).
  • the light source housing 70A (70B) includes a housing hole 700A (700B) and a stopper portion 708A (708B).
  • the storage hole 700A (700B) opens to the light incident surface 800A (800B) side.
  • the light source 72A (72B) is stored in the storage hole 700A (700B) in a state surrounded by the inner peripheral surface of the storage hole 700A (700B).
  • An end portion on the light incident surface 800A (800B) side in the length direction of the light guide 80 is fitted into the accommodation hole 700A (700B) so as to be slidable in the length direction of the light guide 80.
  • the light incident surface 800A (800B) is disposed at a position facing the light source 72A (72B) via the light source 72A (72B) and the gap 23A (23B).
  • the stopper portion 708A (708B) faces the light incident surface 800A (800B) and is positioned between the light source 72A (72B) and the light guide 80 in the length direction of the light guide 80.
  • the lighting device 1 having the first feature is configured such that the end portion on the light incident surface 800A (800B) side of the light guide 80 is stored in the light source even when the length varies due to a manufacturing error. It can be firmly fixed by being fitted into a storage hole 700A (700B) formed in the body 70A (70B). Further, when the light guide 80 moves to the light source 72A (72B) side, the light incident surface 800A (800B) before the light incident surface 800A (800B) of the light guide 80 contacts the light source 72A (72B). Prevents the light guide 80 from moving further toward the light source 72A (72B) by contacting the stopper portion 708A (708B).
  • the light guide 80 can prevent that the light-incidence surface 800A (800B) of the light guide 80 contacts the light source 72A (72B), and the light source 72A (72B) is damaged. Further, since the light source 72A (72B) is stored in a state surrounded by the inner peripheral surface of the storage hole 700A (700B) of the light source storage body 70A (70B), the light emitted from the light source 72A (72B) is stored in the light source storage. It is difficult to leak out of the body 70A (70B). For this reason, the light guide 80 can emit light efficiently.
  • the illuminating device 1 has the 2nd characteristic shown below in the illuminating device 1 which has a 1st characteristic.
  • the light source storage bodies 70 ⁇ / b> A and 70 ⁇ / b> B are arranged on both sides of the light guide body 80 in the length direction.
  • the light sources 72A and 72B are stored in the storage holes 700A and 700B of the light source storage bodies 70A and 70B, respectively.
  • the storage holes 700A and 700B of the light source storage bodies 70A and 70B have openings 707A and 707B, respectively.
  • the storage holes 700A and 700B of the light source storage bodies 70A and 70B are opened in the same direction perpendicular to the length direction of the light guide body 80 through the openings 707A and 707B. To do. Both end portions in the length direction of the light guide 80 are fitted into the storage holes 700A and 700B of the corresponding light source storage bodies 70A and 70B through the openings 707A and 707B.
  • the lighting device 1 having the second feature can easily fit both ends of the light guide 80 into the corresponding storage holes 700A and 700B through the openings 707A and 707B.
  • the illuminating device 1 has the 3rd characteristic shown below in the illuminating device 1 which has a 2nd characteristic.
  • the lighting device 1 includes a pair of diffusion covers 5A and 5B. Both diffusion covers 5A and 5B have light transmission properties and light diffusion properties.
  • the diffusion covers 5A and 5B are attached to the light source housings 70A and 70B, respectively, so as to cover the openings 707A and 707B.
  • Both diffusion covers 5 ⁇ / b> A and 5 ⁇ / b> B diffuse and emit the light emitted from the light exit surfaces 801 at both ends in the length direction of the light guide 80 toward the outside in the length direction of the light guide 80. Composed.
  • the light emitted from the light exit surfaces 801 at both ends in the length direction of the light guide 80 is used by the diffusion covers 5A and 5B in the length direction of the light guide 80.
  • the light can be diffused toward the outside of the light. For this reason, it becomes difficult to produce a shadow in the location corresponding to the both ends of the light guide 80 in the length direction.
  • the illuminating device 1 has the 4th characteristic shown below in the illuminating device 1 which has any one 1st thru
  • the illuminating device 1 includes a base 3 extending in the length direction of the light guide 80 and a holder 81 extending in the length direction of the light guide 80.
  • Light source housings 70A and 70B are attached to both side portions in the length direction of the base 3, respectively.
  • the light guide body 80 is held by the holder 81, and a portion of the surface along the length direction of the light guide body 80 excluding both end portions in the length direction of the light guide body 80 and excluding the light exit surface 801 is covered by the holder 81. Is called.
  • Both end portions in the length direction of the light guide 80 protrude outward from the holder 81 in the length direction. Both end portions in the length direction that protrude toward the outside in the length direction from the holder 81 of the light guide 80 are fitted into the storage holes 700A and 700B of the corresponding light source storage bodies 70A and 70B.
  • a holder 81 is attached to the base 3.
  • the light guide 80 is protected by the holder 81, and the light guide 80 is hardly damaged.
  • the illuminating device 1 spreads the light generated by the light sources 72A and 72B with the light guide 80 and emits it.
  • light sources 72A and 72B having high luminance must be used.
  • the light sources 72A and 72B become high temperature and deteriorate due to heat with long-term use. May occur.
  • the light sources 72A and 72B are light emitting diodes, there is a possibility that the lifetime is significantly reduced due to heat generation.
  • the illuminating device 1 has the following fifth feature in the illuminating device 1 having any one of the first to fourth features.
  • the lighting device 1 includes a base 3 that is disposed along the mounting surface 2 and fixed to the mounting surface 2.
  • the base 3 is formed from a heat transfer material.
  • the base 3 includes at least one mounting portion 31B that protrudes on the side opposite to the mounting surface 2.
  • the light source container 70B is attached to the attachment portion 31B.
  • the light source 72B is thermally connected to the attachment portion 31B.
  • the lighting device 1 having the fifth feature can dissipate the heat generated by the light source 72B by transmitting it to the base 3 formed of a heat transfer material using the mounting portion 31B to which the light source housing 70B is attached. For this reason, the light source 72B is unlikely to be in a high temperature state. In particular, in order to cause the long light guide 80 to emit light, the output of the light source 72B needs to be increased. In this case, the heat generated by the light source 72B has a length corresponding to the length of the light guide 80. 3 can be dissipated appropriately.
  • the illuminating device 1 has the 6th characteristic shown below in the illuminating device 1 which has a 5th characteristic.
  • the base 3 is formed from a synthetic resin containing a metal or a heat conductive material.
  • the lighting device 1 having the sixth feature can dissipate the heat generated by the light source 72B by the base 3 formed of a synthetic resin containing a metal or a heat conductive material.
  • the illuminating device 1 has the 7th characteristic shown below in the illuminating device 1 which has the 5th or 6th characteristic.
  • the base 3 includes a base body 30 that extends in the length direction of the light guide 80 and is disposed along the attachment surface 2.
  • the attachment portion 31 ⁇ / b> B extends from the end portion of the base body portion 30 in the length direction toward the outside in the length direction of the base body portion 30, and then protrudes toward the front side opposite to the attachment surface 2.
  • the rear end surface of the attachment portion 31 ⁇ / b> B is positioned in front of the rear surface of the base main body portion 30.
  • the rear end surface of the mounting portion 31B is disposed in front of the mounting surface 2 via the gap 27B (see FIG. 9). It becomes easy to be done. For this reason, it becomes difficult for the heat of the attachment part 31B to be transmitted to the attachment surface 2, and the attachment surface 2 becomes difficult to discolor.
  • the lighting device has the eighth feature described below in the lighting device 1 having any one of the fifth to seventh features.
  • the base 3 includes a base body 30 that extends in the length direction of the light guide 80 and is disposed along the mounting surface 2.
  • the attachment portion 31B protrudes from the base main body portion 30 toward the front side opposite to the attachment surface 2.
  • the base main body 30 includes a through hole 300 through which the fixing tool (screw 25) is passed.
  • the through-hole 300 is located closer to the center of the base body 30 than the mounting portion 31B and the light source 72B in the length direction of the base body 30.
  • the operator places only the portion of the base main body 30 located closer to the center side of the base main body 30 than the mounting 31B and the light source 72B. Can stick. For this reason, the end portion in the length direction of the base 3 on which the mounting portion 31B is provided is easily separated forward from the mounting surface 2, and the heat of the mounting portion 31B can be further prevented from being directly transmitted to the mounting surface 2.
  • both end surfaces in the length direction of the light guide 80 are light incident surfaces 800A and 800B. However, only one end surface is a light incident surface, and a light source is provided only on one side of the light guide 80. May be.
  • the diffusion holes 5A and 5B are provided in which part of the storage holes 700A and 700B of the light source storage bodies 70A and 70B are opened through the openings 707A and 707B and the openings 707A and 707B are covered. Yes. However, the diffusion covers 5A and 5B can be omitted.
  • the storage holes 700A and 700B do not have to open in a direction orthogonal to the left-right direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Planar Illumination Modules (AREA)

Abstract

L'invention concerne un dispositif d'éclairage comprenant au moins une source lumineuse, au moins un corps de logement de source lumineuse, et un corps de guidage de lumière. Une surface de lumière incidente du corps de guidage de lumière fait face au corps de logement de source lumineuse. Le corps de logement de source lumineuse comprend un trou de logement et une section de butée. Le trou de logement s'ouvre du côté de la surface de lumière incidente. La source lumineuse est logée dans le trou de logement dans un état dans lequel la source lumineuse est entourée par la surface circonférentielle intérieure du trou de logement. Une section d'extrémité du côté de la surface de lumière incidente dans la direction longitudinale du corps de guidage de lumière est insérée de façon coulissante dans le trou de logement, dans la direction longitudinale du corps de guidage de lumière. La surface de lumière incidente est agencée à une position faisant face à la source lumineuse, de l'autre côté d'un interstice. La section de butée fait face à la surface de lumière incidente et est positionnée entre la source lumineuse et le corps de guidage de lumière, dans la direction longitudinale du corps de guidage de lumière.
PCT/JP2014/002516 2013-05-13 2014-05-13 Dispositif d'éclairage WO2014185054A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112014002392.2T DE112014002392T5 (de) 2013-05-13 2014-05-13 Beleuchtungsvorrichtung
CN201490000670.7U CN205137088U (zh) 2013-05-13 2014-05-13 照明装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2013-101062 2013-05-13
JP2013101062A JP6191947B2 (ja) 2013-05-13 2013-05-13 照明装置
JP2013-112607 2013-05-29
JP2013112607A JP6182733B2 (ja) 2013-05-29 2013-05-29 照明装置

Publications (1)

Publication Number Publication Date
WO2014185054A1 true WO2014185054A1 (fr) 2014-11-20

Family

ID=51898044

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/002516 WO2014185054A1 (fr) 2013-05-13 2014-05-13 Dispositif d'éclairage

Country Status (3)

Country Link
CN (1) CN205137088U (fr)
DE (1) DE112014002392T5 (fr)
WO (1) WO2014185054A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020085743A (ja) * 2018-11-28 2020-06-04 株式会社リコー 半導体回路ユニット、光源装置、物体検出装置、センシング装置及び移動体

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017222086B4 (de) * 2017-12-06 2023-04-27 Osram Gmbh Thermisch justierbare vorrichtung, scheinwerfer und verfahren

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005005244A (ja) * 2003-06-13 2005-01-06 Keiden Koden Kofun Yugenkoshi 線状光源
JP2005269108A (ja) * 2004-03-17 2005-09-29 Nippon Sheet Glass Co Ltd ライン照明装置およびライン照明装置を組み込んだ画像読取装置
JP2012086620A (ja) * 2010-10-18 2012-05-10 Ts Tech Co Ltd 発光装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005005244A (ja) * 2003-06-13 2005-01-06 Keiden Koden Kofun Yugenkoshi 線状光源
JP2005269108A (ja) * 2004-03-17 2005-09-29 Nippon Sheet Glass Co Ltd ライン照明装置およびライン照明装置を組み込んだ画像読取装置
JP2012086620A (ja) * 2010-10-18 2012-05-10 Ts Tech Co Ltd 発光装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020085743A (ja) * 2018-11-28 2020-06-04 株式会社リコー 半導体回路ユニット、光源装置、物体検出装置、センシング装置及び移動体
JP7183739B2 (ja) 2018-11-28 2022-12-06 株式会社リコー 半導体回路ユニット、光源装置、物体検出装置、センシング装置及び移動体

Also Published As

Publication number Publication date
CN205137088U (zh) 2016-04-06
DE112014002392T5 (de) 2016-03-03

Similar Documents

Publication Publication Date Title
JP2016195134A (ja) 光源ユニット
JPWO2015190091A1 (ja) 照明装置、照明装置用器具本体及び発光ユニット
WO2014185054A1 (fr) Dispositif d'éclairage
JP6432835B2 (ja) 照明装置、および照明装置の設置構造
JP6257295B2 (ja) Ｌｅｄ照明装置
JP6191947B2 (ja) 照明装置
JP5823594B1 (ja) 照明装置及び照明装置用発光ユニット
JP5767379B1 (ja) 照明装置及び照明装置用発光ユニット
JP5814451B1 (ja) 照明装置及び照明装置用発光ユニット
JP5814447B1 (ja) 照明装置及び照明装置用発光ユニット
JP6182733B2 (ja) 照明装置
CN107208851B (zh) 照明灯、照明灯用罩及照明装置
JP5597592B2 (ja) 発光部材及びこれを備えた照明装置
JP5933089B2 (ja) 照明装置
JP7434053B2 (ja) 照明器具
JP6076443B2 (ja) 光源装置及び照明器具
JP6076444B2 (ja) 光源装置及び照明器具
CN107250657B (zh) 照明灯以及照明装置
JP5814449B1 (ja) 照明装置及び照明装置用発光ユニット
KR102387800B1 (ko) 평판형 조명장치
KR200497713Y1 (ko) 음영 및 도트를 방지할 수 있는 led 조명기구
JP7365625B2 (ja) 照明装置及び照明器具
JP7426588B2 (ja) キャビネット、及び照明装置
JP2018147563A (ja) 発光装置及びそれを用いた照明装置
JP5814482B1 (ja) 照明装置及び発光ユニット

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201490000670.7

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14797795

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 112014002392

Country of ref document: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14797795

Country of ref document: EP

Kind code of ref document: A1