WO2012117934A1 - Dispositif d'éclairage - Google Patents

Dispositif d'éclairage Download PDF

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Publication number
WO2012117934A1
WO2012117934A1 PCT/JP2012/054398 JP2012054398W WO2012117934A1 WO 2012117934 A1 WO2012117934 A1 WO 2012117934A1 JP 2012054398 W JP2012054398 W JP 2012054398W WO 2012117934 A1 WO2012117934 A1 WO 2012117934A1
Authority
WO
WIPO (PCT)
Prior art keywords
lighting
light emitting
power supply
power
lighting panel
Prior art date
Application number
PCT/JP2012/054398
Other languages
English (en)
Japanese (ja)
Inventor
正利 米山
伸哉 三木
淳弥 若原
将積　直樹
泰啓 本多
Original Assignee
コニカミノルタホールディングス株式会社
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
Application filed by コニカミノルタホールディングス株式会社 filed Critical コニカミノルタホールディングス株式会社
Publication of WO2012117934A1 publication Critical patent/WO2012117934A1/fr

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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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • 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
    • F21Y2105/00—Planar light sources
    • 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]
    • F21Y2115/15—Organic light-emitting diodes [OLED]
    • 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
    • F21Y2115/20—Electroluminescent [EL] light sources

Definitions

  • the present invention relates to a lighting device, and more particularly to a lighting device including a lighting panel supported in a curved state.
  • Patent Document 1 discloses an illumination device including an organic EL (OLED: Organic Light Emitting Diode) as an illumination panel.
  • OLED Organic Light Emitting Diode
  • the lighting panel is supported in a curved state by a support member (lighting fixture).
  • This support member incorporates a power adjustment circuit for converting power from an external power source into a form suitable for power supply to the lighting panel (see the paragraph 0018 of Patent Document 1 and FIG. 4 of Patent Document 1). .
  • Patent Document 2 JP 2009-206029 A discloses another lighting device including an organic EL as a lighting panel. Also in the said other illuminating device, an illumination panel (light emission panel) is supported in the state curved by the support member (frame member etc.). The support member is suspended by a wire from a case attached to the ceiling surface. A DC power supply unit for supplying a light emission drive current to the lighting panel is housed in a case attached to the ceiling surface (see paragraphs 0023 to 0029 of Patent Document 2 and FIGS. 1 and 2 of Patent Document 2). 2).
  • An object of the present invention is to provide an illuminating device including an illuminating panel supported in a curved state and capable of being further downsized.
  • An illumination device is flexible and includes an illumination panel provided with a light emitting surface that emits light from a light emitting unit that emits light when power is supplied from a predetermined power supply device, and the light emitting surface. And a support member that supports the lighting panel in a curved state so as to be convex, and is disposed in a space formed on the opposite side of the light emitting surface by the bending of the lighting panel, and the light emitting unit And an electric circuit unit for supplying the electric power.
  • an illuminating device including an illuminating panel supported in a curved state and capable of being further downsized.
  • FIG. 1 is a perspective view showing a lighting device in Embodiment 1.
  • FIG. 5 is a bottom view showing the lighting device in Embodiment 1.
  • FIG. FIG. 3 is a cross-sectional view taken along the line III-III in FIG. It is a side view which shows the illuminating device in Embodiment 1, and is the figure which shows the said illuminating device seen from the arrow IV direction in FIG.
  • FIG. 3 is an enlarged cross-sectional view illustrating the vicinity of an insertion portion of the illumination device according to Embodiment 1.
  • 3 is a diagram illustrating functional blocks of the lighting device in Embodiment 1.
  • FIG. It is sectional drawing which shows the illuminating device (state after an assembly) in Embodiment 2.
  • FIG. It is sectional drawing which shows the state (state before assembled) of the illuminating device in Embodiment 2.
  • FIG. 1 is a perspective view showing the lighting device 100.
  • FIG. 2 is a bottom view showing the lighting device 100.
  • 3 is a cross-sectional view taken along line III-III in FIG.
  • FIG. 4 is a side view showing the illumination device 100, and is a diagram showing the illumination device 100 as seen from the direction of arrow IV in FIG.
  • FIG. 5 is an enlarged cross-sectional view showing the vicinity of the insertion portions 23H and 24H (details will be described later) of the lighting device 100.
  • FIG. 6 is a diagram illustrating functional blocks of the lighting device 100.
  • the lighting device 100 includes a lighting panel 10, a support member 20, and an electric circuit unit 30.
  • the lighting panel 10 has flexibility.
  • the illumination panel 10 is formed in a rectangular shape and has a front surface 11, a back surface 12, an end portion 13, and an end portion 14.
  • the thickness of the lighting panel 10 is, for example, 0.5 mm to 10 mm.
  • a rectangular light emitting surface 18 is provided on the surface 11 of the illumination panel 10.
  • the light emitting surface 18 may be provided on the entire surface 11 of the lighting panel 10.
  • the light emitting surface 18 irradiates light from a light emitting unit (not shown) that emits light when supplied with electric power.
  • the light emitting unit is composed of, for example, an organic EL (OLED: Organic Light Emitting Diode) element.
  • Electrical contacts 16 and 17 for supplying power to the light emitting surface 18 are provided on the back surface 12 of the lighting panel 10.
  • the electrical contact 16 is provided on the back surface 12 near the end 14 of the lighting panel 10.
  • the electrical contact 17 is provided on the back surface 12 near the end 13 of the lighting panel 10.
  • the light emitting part When the light emitting part is composed of organic EL elements, power is supplied to both surfaces of the organic light emitting layer of the light emitting part. By supplying electric power, the organic light emitting layer emits visible light.
  • a transparent electrode layer ITO or the like
  • the transparent electrode layer is sealed with a sealing layer.
  • an electrode layer made of aluminum for reflecting the emitted light Under the organic light emitting layer (on the back surface 12 side), for example, an electrode layer made of aluminum for reflecting the emitted light is provided under the organic light emitting layer (on the back surface 12 side), for example, an electrode layer made of aluminum for reflecting the emitted light is provided.
  • a base layer is provided under the electrode layer (on the back surface 12 side).
  • a predetermined pattern is wired from the upper and lower surfaces of the organic light emitting layer toward the electrical contacts 16 and 17 (see FIG. 5) provided on the back surface 12.
  • the support member 20 will be described with reference to FIG. In FIG. 2, the lighting panel 10 is indicated by a dotted line for convenience of illustration.
  • the support member 20 includes support devices 21 to 24 and a flat plate portion 25.
  • the support devices 21 to 24 are arranged in a frame shape as a whole.
  • the support device 23 and the support device 24 are opposed to each other with a space therebetween.
  • the support device 21 and the support device 22 are provided so as to connect ends of the support device 23 and the support device 24, respectively.
  • the flat plate portion 25 is provided between the support device 21 and the support device 22.
  • the flat plate portion 25 is provided with a plurality of through holes 27. By inserting screwing means such as screws or bolts through the through holes 27, the lighting device 100 can be fixed to the ceiling 50 (see FIGS. 3 and 4) or a side wall (not shown).
  • the support member 20 supports the lighting panel 10 in a curved state so that the light emitting surface 18 has a convex shape.
  • the support device 23 has an insertion portion 23H that is recessed from the surface of the support device 23 in a substantially rectangular parallelepiped shape at a predetermined depth.
  • An electrical contact 23E is provided in the insertion part 23H.
  • the electrical contact 23E is provided so as to stand up like a leaf spring from the inner surface of the insertion portion 23H.
  • the support device 24 has an insertion portion 24H that is recessed in a substantially rectangular parallelepiped shape at a predetermined depth from the surface of the support device 24.
  • An electrical contact 24E is provided in the insertion portion 24H.
  • the electrical contact 24E is provided so as to stand up like a leaf spring from the inner surface of the insertion portion 24H.
  • the end 13 of the lighting panel 10 is inserted into the insertion portion 23H of the support device 23 (see arrow AR1).
  • the electrical contact 23E contacts the electrical contact 17 of the lighting panel 10 inserted into the insertion portion 23H so as to be urged in the direction of the arrow AR2. By this contact, the electrical contact 23E and the electrical contact 17 are electrically connected to each other.
  • the end part 14 of the illumination panel 10 is inserted into the insertion part 24H of the support device 24 (see arrow AR1).
  • the electrical contact 24E contacts the electrical contact 16 of the lighting panel 10 inserted into the insertion portion 24H so as to be urged in the arrow AR2 direction. By the contact, the electrical contact 24E and the electrical contact 16 are electrically connected to each other.
  • the electrical contact 23E biases the end portion 13 of the lighting panel 10 and the electrical contact 24E biases the end portion 14 of the lighting panel 10, whereby the lighting panel 10 is supported at both ends by the support member 20.
  • the illumination panel 10 is curved so that the light emitting surface 18 has a convex shape (see FIG. 3).
  • the lighting panel 10 is supported at both ends by the support member 20 in a curved state, so that the end portion 13 and the end portion 14 (or the flat plate portion 25 and the back surface of the lighting panel 10) are supported. 12), a space S is formed.
  • the electric circuit unit 30 is fixed to the surface of the flat plate portion 25 so as to be located in the space S.
  • a distribution line 31 is connected to the electric circuit unit 30 through an opening 51 provided in the ceiling 50 and an opening 26 provided in the flat plate portion 25.
  • Electric power is supplied to the electric circuit unit 30 through the distribution line 31 from an external power supply device (not shown).
  • the electric circuit unit 30 includes wiring 33 (see FIG. 2) installed inside the flat plate portion 25 and inside the support devices 21 to 24, and electrical contacts 23E (see FIG. 5) and the support device 24 in the support device 23. Electric power (driving power) is supplied to the light emitting unit of the lighting panel 10 through the electrical contact 24E (see FIG. 5). By supplying the driving power, the light emitting unit of the lighting panel 10 emits light, and the lighting panel 10 can irradiate light from the light emitting surface 18.
  • the electric circuit unit 30 includes an electrical board connected to the distribution line 31 and a cover that covers the electrical board.
  • the electrical board includes a drive circuit 32, a power supply circuit 34, a control circuit 36, which will be described later. And the communication circuit 38 is mounted.
  • the electric circuit unit 30 includes a drive circuit 32, a power supply circuit 34, a control circuit 36, and a communication circuit 38.
  • the drive circuit 32 is electrically connected to a light emitting unit (not shown) and supplies electric power (drive power) to the light emitting unit. Power is supplied to the drive circuit 32 from an external power supply device 52 through the power supply circuit 34.
  • the power supply circuit 34 improves the power factor of the inductive load in the AC power using a capacitor or the like, and converts the AC power into DC power.
  • Direct current power is supplied to the drive circuit 32 from the power supply circuit 34.
  • the DC power supplied to the drive circuit 32 passes through the electrical contact 23E (see FIG. 5) and the electrical contact 17 (see FIG. 5), the electrical contact 24E (see FIG. 5), and the electrical contact 16 (see FIG. 5).
  • the driving power is supplied to the light emitting unit.
  • the power supply circuit 34 may not be built in the electric circuit unit 30. Further, the power supply device 52 may be built in the electric circuit unit 30.
  • the communication circuit 38 receives a control command transmitted from the outside by wireless communication and inputs it to the control circuit 36.
  • Control commands include commands such as lighting ON / OFF or dimming.
  • the control circuit 36 inputs a predetermined control signal for controlling the light emission state of the light emitting surface 18 to the drive circuit 32 based on the signal from the communication circuit 38.
  • the drive circuit 32 causes the light emitting surface 18 to emit light based on the drive power from the power supply circuit 34 and the control signal from the control circuit 36.
  • the light emitting unit may be driven by a DC constant current, or may be driven by a pulse current by PWM (Pulse Width Modulation) control.
  • PWM Pulse Width Modulation
  • control circuit 38 When the control command is received by wire, it is not necessary to incorporate the communication circuit 38 in the electric circuit unit 30, but instead, a control line for transmitting the control command from the outside to the control circuit 36 by wire is provided in the electric circuit. It will be connected to the unit 30. Furthermore, the control circuit 36 does not need to be used when the lighting is simply turned on / off without performing control such as dimming.
  • the illumination device 100 in the present embodiment is configured as described above.
  • electric circuit unit 30 is arranged in space S formed on the back surface 12 side of lighting panel 10 by the bending of lighting panel 10.
  • the lighting device In the lighting device disclosed in Japanese Patent Application Laid-Open No. 2004-55535 (Patent Document 1) and Japanese Patent Application Laid-Open No. 2009-206029 (Patent Document 2) described at the beginning, the lighting device is formed on the back surface side of the lighting panel by the bending of the lighting panel. The electric circuit unit is not arranged in the formed space.
  • the electric circuit unit 30 is arranged in the space S.
  • the space S can be effectively utilized, so that the illuminating device 100 can be reduced in size and thickness as compared with the illuminating devices described in Patent Documents 1 and 2 described at the beginning.
  • FIG. 7 is a cross-sectional view showing the lighting device 200 (a state after being assembled).
  • FIG. 8 is a cross-sectional view showing the disassembled state (state before assembly) of the lighting device 200.
  • the lighting device 200 includes a lighting panel 10, a support member 20 ⁇ / b> A, and an electric circuit unit 30.
  • the illumination panel 10 is configured in the same manner as in the first embodiment.
  • the electric circuit unit 30 is attached to the surface of the support member 20A.
  • the support member 20A is formed in a flat plate shape and has an opening 29 (opening).
  • the shape of the opening 29 corresponds to the outer shape of the power supply device 52 attached to the ceiling 50.
  • the portion of the support member 20 ⁇ / b> A in which the opening 29 is formed constitutes an attachment portion 29 ⁇ / b> A for attaching the lighting device 200 to the power supply device 52.
  • the attachment portion 29 ⁇ / b> A is located on the side opposite to the light emitting surface 18 of the lighting panel 10.
  • this attachment part 29A in this Embodiment is comprised as a part of support member 20A which supports the lighting panel 10 in the curved state, the attachment part 29A is comprised separately from the support member 20A. May be.
  • a flange portion 54 protrudes from the lower surface of the power supply device 52 at a position facing each other, and the flange portion 54 is biased from the inside by a spring or the like (not shown).
  • a spring or the like not shown.
  • the flange portion 54 of the power supply device 52 is once retracted inward, but when the power supply device 52 reaches a predetermined position of the support member 20A, the flange portion 54 of the power supply device 52 protrudes outward by the urging force. To do.
  • the flange portion 54 is locked to a bracket 28 or the like attached to the surface of the support member 20A, and the support member 20A is fixed to the power supply device 52 (see FIG. 7).
  • a release button (not shown) or the like provided on the power supply device 52 is pressed, so that the flange portion 54 is pushed inward.
  • the locking of the flange portion 54 with respect to the bracket 28 is released, and the lighting device 200 can be detached from the power supply device 52 by its own weight.
  • the wiring 53 attached to the electric circuit unit 30 is connected to the power supply device 52.
  • a part of the power supply device 52 (the lower end side of the power supply device 52) is disposed in the space S (see FIG. 8).
  • a pressing portion 45 and a pressing portion 46 are provided near both ends of the surface of the support member 20A.
  • the pressing part 45 includes a fixed part 43 and a movable part 41.
  • the fixed portion 43 biases the movable portion 41 in the direction of the arrow AR4.
  • the movable portion 41 is electrically connected to the electric circuit unit 30 through the wiring 47.
  • the pressing portion 46 includes a fixed portion 44 and a movable portion 42.
  • the fixed portion 44 biases the movable portion 42 in the direction of the arrow AR4.
  • the movable part 42 is electrically connected to the electric circuit unit 30 through the wiring 48.
  • the end 13 of the lighting panel 10 is inserted into the insertion portion 23H of the support member 20A (see arrow AR5).
  • the edge part 14 of the illumination panel 10 is inserted in the insertion part 24H of 20 A of support members (refer arrow AR5).
  • the lighting panel 10 is curved, and a space S is formed between the end portion 13 and the end portion 14 (or between the support member 20A and the back surface 12 of the lighting panel 10).
  • the end portion 13 of the lighting panel 10 With the end portion 13 of the lighting panel 10 inserted into the insertion portion 23H, the end portion 13 is urged by the movable portion 41 in the direction of the arrow AR4 (outward of the space S as viewed from the movable portion 41). . By the biasing, the end portion 13 of the lighting panel 10 is fixed to the support member 20A.
  • the end portion 14 of the lighting panel 10 is inserted into the insertion portion 24H, the end portion 14 is attached to the arrow AR4 direction (outward of the space S as viewed from the movable portion 42) by the movable portion 42. Be forced. By the biasing, the end portion 14 of the lighting panel 10 is fixed to the support member 20A.
  • the electrical contact 17 provided on the back surface 12 near the end 13 of the lighting panel 10 includes the movable portion 41 and the wiring 47. And electrically connected to the electric circuit unit 30.
  • the electrical contact 16 provided on the back surface 12 near the end portion 14 of the lighting panel 10 is electrically connected to the electric circuit unit 30 through the movable portion 42 and the wiring 48.
  • the illumination device 200 in the present embodiment is configured as described above.
  • an electric circuit is formed in space S formed on the back surface 12 side of lighting panel 10 by the bending of lighting panel 10.
  • a unit 30 is arranged.
  • the space S can be effectively utilized, so that the illuminating device 200 can be reduced in size and thickness as compared with the illuminating devices described in Patent Documents 1 and 2 described at the beginning.
  • the illuminating device 200 since it can be attached with respect to the power supply device 52 as a general ceiling rosette, it is highly convenient.
  • the lighting panel 10 is formed in a rectangular shape.
  • the lighting panel 10 is flexible and has a support member 20 in a curved state. Any material can be used as long as it can be supported by 20A or the like.
  • the lighting panel 10 is not limited to an organic EL, and any lighting panel 10 may be used as long as it has a light emitting surface and has flexibility.

Landscapes

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

Abstract

L'invention concerne un dispositif d'éclairage (100) comprenant: un panneau d'éclairage flexible (10) possédant, sur une surface (11), une surface émettrice de lumière (18) afin d'émettre de la lumière depuis une unité émettrice de lumière qui émet de la lumière en étant alimentée en électricité depuis un dispositif d'alimentation électrique prédéterminé ; un élément de support (20) afin de supporter le panneau d'éclairage (10) de manière courbe de sorte que la surface émettrice de lumière (18) ait une forme convexe ; et une unité de circuit électrique (30) afin d'alimenter en électricité l'unité émettrice de lumière, disposée dans un espace (S) formé sur le côté opposé de la surface émettrice de lumière (18) du fait que le panneau d'éclairage (10) est courbe.
PCT/JP2012/054398 2011-03-02 2012-02-23 Dispositif d'éclairage WO2012117934A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011044844 2011-03-02
JP2011-044844 2011-03-02

Publications (1)

Publication Number Publication Date
WO2012117934A1 true WO2012117934A1 (fr) 2012-09-07

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PCT/JP2012/054398 WO2012117934A1 (fr) 2011-03-02 2012-02-23 Dispositif d'éclairage

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014041603A1 (fr) * 2012-09-11 2014-03-20 パイオニア株式会社 Dispositif d'éclairage
EP3088797A4 (fr) * 2013-12-25 2017-11-08 Koito Manufacturing Co., Ltd. Lampe pour véhicule

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07176203A (ja) * 1993-11-01 1995-07-14 Nec Home Electron Ltd 天井直付型照明器具
JP3064531U (ja) * 1999-01-14 2000-01-21 知宏 斎田 折り畳み式ｅｌランタン
JP2001216810A (ja) * 2000-01-31 2001-08-10 Matsushita Electric Works Ltd 照明器具
JP2004055535A (ja) * 2002-05-28 2004-02-19 Eastman Kodak Co 照明装置
JP2009070745A (ja) * 2007-09-14 2009-04-02 Panasonic Electric Works Co Ltd 照明システム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07176203A (ja) * 1993-11-01 1995-07-14 Nec Home Electron Ltd 天井直付型照明器具
JP3064531U (ja) * 1999-01-14 2000-01-21 知宏 斎田 折り畳み式ｅｌランタン
JP2001216810A (ja) * 2000-01-31 2001-08-10 Matsushita Electric Works Ltd 照明器具
JP2004055535A (ja) * 2002-05-28 2004-02-19 Eastman Kodak Co 照明装置
JP2009070745A (ja) * 2007-09-14 2009-04-02 Panasonic Electric Works Co Ltd 照明システム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014041603A1 (fr) * 2012-09-11 2014-03-20 パイオニア株式会社 Dispositif d'éclairage
EP3088797A4 (fr) * 2013-12-25 2017-11-08 Koito Manufacturing Co., Ltd. Lampe pour véhicule

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