WO2013104329A1 - Led照明装置 - Google Patents

Led照明装置 Download PDF

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Publication number
WO2013104329A1
WO2013104329A1 PCT/CN2013/070348 CN2013070348W WO2013104329A1 WO 2013104329 A1 WO2013104329 A1 WO 2013104329A1 CN 2013070348 W CN2013070348 W CN 2013070348W WO 2013104329 A1 WO2013104329 A1 WO 2013104329A1
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WO
WIPO (PCT)
Prior art keywords
light
emitting
plate
illuminating
panel
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PCT/CN2013/070348
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English (en)
French (fr)
Inventor
木村三郎
池田喜明
梁志远
Original Assignee
广州市珠江灯光科技有限公司
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Application filed by 广州市珠江灯光科技有限公司 filed Critical 广州市珠江灯光科技有限公司
Publication of WO2013104329A1 publication Critical patent/WO2013104329A1/zh

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    • 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
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • 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
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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]

Definitions

  • the invention belongs to the field of LED illumination, and in particular relates to an LED illumination device.
  • a lighting device including: an LED (also referred to as a light emitting diode, Light Emitting) is disclosed.
  • Diode A mounting body, a plurality of LED elements mounted on the LED mounting body, and lens elements respectively mounted on the plurality of LED elements.
  • the size of the LED lighting device in which the light-emitting surface is formed has a tendency to increase, so that the handling thereof becomes difficult, and in addition, even if the LED lighting device is disassembled to be easily handled, the LED lighting device is required to be installed. Assembly is performed, so it is difficult to quickly set up the LED lighting device. Further, during transportation, the LED lighting device may be hit by dropping or the like, however, it is desirable that the light-emitting surface is not damaged even if the above occurs.
  • An object of the present invention is to provide an LED lighting device which is formed with a wide light-emitting surface, is easy to carry and can be quickly set, and does not damage the light-emitting surface during transportation.
  • An LED lighting device comprising: a rectangular plate-shaped illuminating plate; and a pair of free-rotating plates of the same shape respectively connected to upper and lower edges of the illuminating plate,
  • the illuminating panel has a light emitting surface formed by arranging a plurality of light emitting diodes.
  • Each of the freely rotating plates is freely rotatable about an axis extending in a horizontal direction, When each of the freely rotating plates rotates in one direction, it overlaps with the illuminating plate to cover the illuminating surface, and when rotated in the other direction, it can be unfolded to expose the illuminating surface.
  • a light-emitting surface in which a plurality of light-emitting diodes are arranged is formed on one surface of at least one of the pair of freely rotating plates, that is, a surface that can face the light-emitting panel.
  • a visor is attached to the free end edge of the freely rotating plate having the light-emitting surface extending in the horizontal direction, and the visor is rotatable about an axis extending in the horizontal direction.
  • a pair of freely rotating plates are formed by a light shielding plate.
  • the LED lighting device of the present invention can be applied to illumination of general lighting, road construction site, construction work site, illumination of television studio, studio, stage, etc., and illumination during field photography.
  • the LED lighting device of the present invention comprising a pair of freely rotating plates of the same shape respectively connected to the upper and lower edges of the illuminating plate, the freely rotating plate being freely rotatable about an axis extending in the horizontal direction, Each of the freely rotating plates overlaps with the illuminating plate to cover the illuminating surface when rotated in one direction, and expands to expose the illuminating surface when rotated in the other direction.
  • the LED illuminating device even if the illuminating surface of the illuminating plate is formed It can be widened, and can be folded by folding a pair of freely rotating plates in one direction and overlapping with the illuminating plate, thereby facilitating transportation.
  • the freely rotating plate can be rotated in the other direction to expose the illuminating
  • the light-emitting surface of the panel rapidly sets the device, and in the folded state, the light-emitting surface of the light-emitting panel can be covered by a pair of freely rotating plates, thereby avoiding damage of the light-emitting surface during transportation. 2.
  • One surface of at least one of the pair of freely rotating plates that is, a surface that can face the light-emitting panel, or a light-emitting surface in which a plurality of light-emitting diodes are arranged may be formed.
  • a wider light-emitting surface can be formed, and by appropriately adjusting the rotation angle of the free-rotation plate with respect to the light-emitting plate, the illumination range and the pair can be appropriately adjusted.
  • the amount of light that illuminates the object 3.
  • it is possible to provide an LED lighting device which is formed with a wide light-emitting surface is easy to carry and can be quickly set, and does not damage the light-emitting surface during transportation.
  • FIG. 1 is a front structural view of a first embodiment of the present invention.
  • Fig. 2 is a side structural view showing a part of Fig. 1 omitted.
  • FIG. 3 is a schematic view showing the operation of the first embodiment shown in FIG. 1.
  • FIG. 4 is a schematic view showing the operation of the first embodiment shown in FIG. 1.
  • FIG. 5 is an overall structural diagram of Embodiment 2 of the present invention. Description of the reference signs: 1...LED lighting device; 2, 27, 37... luminous surface; 3...light board; 6, 7, 46, 47... freely rotating the board; 8...support; 31, 41... visor.
  • the folding type LED lighting device 1 of the present embodiment includes a rectangular plate-shaped illuminating plate 3, and a pair of identical shapes respectively connected to the upper edge 4 and the lower edge 5 of the illuminating plate 3.
  • the plates 6 and 7 are freely rotated, and the light-emitting plate 3 has a light-emitting surface 2 in which a plurality of light-emitting diodes (not shown) are arranged, and the pair of free-rotating plates 6 and 7 can be wound horizontally.
  • the shaft extending in the direction H is freely rotatable in the directions of R1 and R2, and the support body 8 supports the light-emitting panel 3.
  • the light-emitting surface 2 is composed of a plurality of light source panels in which a plurality of light-emitting diodes are arranged. In the present embodiment, twelve light-emitting panels 11 having a wide lateral direction are formed.
  • the light source panel 11 is arranged such that six blocks are arranged in the vertical direction V and two are arranged in the horizontal direction H.
  • the illuminating panel 3 includes the light source panel 11 and a rectangular plate-shaped base body 12 having a wide lateral direction supporting the light source panel 11 on the front surface.
  • the hinge 13 is attached to the upper edge 4 of the rectangular plate-like base body 12 extending in the horizontal direction H, and the freely rotatable plate 6 is connected to the upper edge 4 by the hinge 13, and is rotatable in the directions of R1 and R2.
  • the hinge 14 is attached to the lower edge 5 of the rectangular plate-like base body 12 extending in the horizontal direction H, and the freely rotatable plate 7 is connected to the lower edge 5 via the hinge 14, and is rotatable in the directions of R1 and R2.
  • the support body 8 is rotatably coupled to the side edges 15 and 16 of the rectangular plate-like base body 12 extending in the vertical direction V by a shaft.
  • the support body 8 includes a U-shaped support member 21 connected at both ends by a shaft and side edges 15 and 16, and a tripod support member 22 rotatably coupled to an intermediate portion of the U-shaped support member 21, and the support body 8 supports the illuminating panel 3
  • the illuminating panel 3 is rotatable about the axis extending in the vertical direction V and centering on the axis extending in the horizontal direction H.
  • the freely rotatable plate 6 includes a rectangular plate-shaped main body 25 and a light-emitting surface 27 which are wide in the lateral direction, and the light-emitting surface 27 is formed on the front surface (one surface) when the rectangular plate-shaped main body 25 is in the unfolded state.
  • a plurality of light emitting diodes (not shown) on the 26 are arranged.
  • the front surface 26 of the rectangular plate-shaped main body 25 is disposed in a direction toward the irradiation of the object to be irradiated (not shown) in the unfolded state as shown in FIGS. 1, 2 and 4, and on the other hand, as shown in FIG. In the folded state, it faces the light-emitting surface 2 of the light-emitting panel 3.
  • the rectangular plate-shaped main body 25 has the same length as the horizontal direction H of the rectangular plate-shaped base body 12.
  • the lower edge 28 of the rectangular plate-like main body 25 extending in the horizontal direction H is rotatably connected to the upper edge 4 of the rectangular plate-like base body 12 by the hinge 13 in the directions of R1 and R2.
  • the light shielding plate 31 is connected to the upper edge (free end edge) 29 of the rectangular plate-shaped main body 25 extending in the horizontal direction H, and is freely rotatable in the directions of r1 and r2 around the axis extending in the horizontal direction H. Turn.
  • the width of the vertical direction V of the rectangular plate-shaped main body 25 is shorter than the half of the light-emitting panel 3 due to the connection of the light shielding plate 31 to the rectangular plate-shaped main body 25, if the light shielding plate 31 is not connected,
  • the width of the rectangular plate-shaped main body 25 in the vertical direction V may be half of the light-emitting surface 3 of the light-emitting panel 3 or the light-emitting panel 3.
  • the light-emitting surface 27 is composed of a plurality of light source panels of the same construction as the light source panel 11, and in the present embodiment, is composed of four horizontally wide light source panels 32.
  • the light source panel 32 is disposed, for example, in two in the vertical direction V and two in the horizontal direction H.
  • the freely rotatable plate 7 includes a rectangular plate-shaped main body 35 and a light-emitting surface 37 which are wide in the lateral direction, and the light-emitting surface 37 is formed on the front surface (one surface) 36 which is formed at the time of expansion of the rectangular plate-shaped main body 35.
  • a plurality of light-emitting diodes (not shown) are arranged.
  • the front surface 36 of the rectangular plate-shaped main body 35 is disposed in a direction toward the irradiation of the object to be irradiated (not shown) in the unfolded state as shown in FIGS. 1, 2 and 4, and on the other hand, as shown in FIG. In the folded state, it faces the light-emitting surface 2 of the light-emitting panel 3.
  • the rectangular plate-shaped main body 35 has the same length as the horizontal direction H of the rectangular plate-shaped base body 12.
  • the upper edge 38 of the rectangular plate-shaped main body 35 extending in the horizontal direction H is rotatably connected to the lower edge 5 of the rectangular plate-shaped base body 12 by the hinge 14 so as to be rotatable in the directions of R1 and R2.
  • the light shielding plate 41 is connected to the lower edge (free end edge) 39 of the rectangular plate-shaped main body 35 extending in the horizontal direction H, and is freely rotatable in the directions of r1 and r2 around the axis extending in the horizontal direction H. Turn.
  • the width of the rectangular plate-shaped main body 35 in the vertical direction V is shorter than half of the light-emitting plate 3, but if there is no connection, the rectangular plate-shaped main body
  • the width of the vertical direction V of 35 may be half of the light-emitting surface 3 of the light-emitting panel 3 or the light-emitting panel 3.
  • the light-emitting surface 37 is composed of a plurality of light source panels of the same construction as the light source panel 11, and in the present embodiment, is composed of four horizontally wide light source panels 42.
  • the light source panel 42 is disposed, for example, in two in the vertical direction V and two in the horizontal direction H.
  • the above-described freely rotating plates 6 and 7 have the same configuration.
  • Each of the freely rotating plates 6 and 7 is configured such that it overlaps with the light-emitting panel 3 when it is rotated in the R1 direction to cover the light-emitting surface 2, and expands when it is rotated in the R2 direction to expose the light-emitting surface 2.
  • the light-emitting panel 3 the free-rotation plates 6 and 7 and the light-shielding plates 31 and 41 can be arranged to extend in the vertical direction V.
  • the freely rotating plates 6 and 7 with respect to the illuminating plate 3 in the directions of R1 and R2, mainly in the direction of R1, and making the visors 31 and 41 face the r1 and r2 directions with respect to the freely rotating plates 6 and 7, mainly
  • the r1 direction is rotated, and the illumination range and the amount of light to the object to be irradiated can be appropriately adjusted.
  • the light-emitting surface 27 faces the light-emitting surface 2 by rotating the free-rotation plate 6 in the R1 direction, and the light-emitting plate 3 is superposed with the free-rotating plate 6, and the free-rotating plate 7 is caused to face
  • the rotation in the R1 direction causes the light-emitting surface 37 to face the light-emitting surface 2, and the light-emitting panel 3 and the free-rotation plate 7 are superposed, and the folded state shown in Fig. 3 can be obtained.
  • the folded state shown in FIG. 3 the light shielding plates 31 and 41 overlap each other.
  • the panels can be made compact at the time of conveyance, and the light-emitting surfaces 2, 27, and 37 can be protected by the rectangular plate-shaped base body 12, the rectangular plate-shaped bodies 25 and 35, and the light-shielding plates 31 and 41.
  • the light-emitting surface 2 is exposed by rotating the free-rotation plate 6 in the R2 direction, and the light-emitting surface 27 is directed toward the object to be irradiated, and the free-rotation plate 7 is directed toward the R2.
  • the direction of rotation causes the light-emitting surface 2 to be exposed and the light-emitting surface 37 to face the object to be irradiated, whereby the developed state shown in Figs. 1, 2 or 4 can be obtained.
  • the LED lighting device 1 of the present embodiment includes a rectangular plate-shaped illuminating plate 3 and a pair of free-rotating plates 6 and 7 of the same shape respectively connected to the upper edge 4 and the lower edge 5 of the illuminating plate 3, the illuminating plate 3
  • the light-emitting surface 2 is formed by arranging a plurality of light-emitting diodes (not shown), and the free-rotation plates 6 and 7 can freely rotate in the directions of R1 and R2 around an axis extending in the horizontal direction H, and freely rotate the plate 6 and 7, when rotating in the R1 direction, covers the light-emitting surface 2 and overlaps with the light-emitting panel 3, and on the other hand, when rotated in the R2 direction, it can be unfolded to expose the light-emitting surface 2, and therefore, according to the LED lighting device 1, even the light-emitting panel 3
  • the light-emitting surface 2 is formed to be wide, and the pair of free-rotation plates 6 and 7 can be rotated in the
  • the free-rotation plate 6 can be made free. And 7 rotates in the R2 direction to expose the light-emitting surface 2 of the light-emitting panel 3, and the device is quickly disposed, and in the folded state, the light-emitting surface 2 of the light-emitting panel 3 is covered by the free-rotation plates 6 and 7, thereby avoiding Damage to the light-emitting surface 2 occurs during transportation.
  • the LED lighting device 1 at least one of the freely rotatable plates 6 and 7, in this embodiment, one face 26 and 36 of each of the two freely rotating plates 6 and 7 can face the face 26 of the illuminating panel 3. And 36, the light-emitting surfaces 27 and 37 in which a plurality of light-emitting diodes are arranged are formed. Therefore, according to the LED illumination device 1, a wide light-emitting surface can be formed without forming an enlarged device.
  • the angle of rotation of the freely rotating plates 6 and 7 with respect to the illuminating plate 3 it is possible to appropriately adjust the illumination range and the amount of light to the object to be irradiated, and the visors 31 and 41 and the edges of the freely rotating plates 6 and 7, respectively
  • the free end edges 29 and 39 extending in the horizontal direction H are connected to each other and can be freely rotated about an axis extending in the horizontal direction H. Therefore, the illumination range and the like can be appropriately adjusted by the light shielding plates 31 and 41.
  • freely rotating plates 46 and 47 composed of a light shielding plate as shown in FIG. 5 may be included instead of the freely rotating plates 6 and 7.
  • the widths of the freely rotating plates 46 and 47 in the vertical direction V may also be half of the light emitting faces 2 of the illuminating panel 3, respectively.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

一种LED照明装置，包括矩形板状的发光板（3）和分别连接在发光板（3）的上缘和下缘的一对相同形状的自由转动板（6、7、46、47）。发光板（3）具有排列多个发光二极管而成的发光面（2）。各自由转动板（6、7、46、47）能够绕水平方向延伸的轴自如转动。各自由转动板（6、7、46、47）向一个方向转动时与发光板（3）叠合盖住发光面（2），向另一方向转动时展开而露出发光面（2）。本LED照明装置具有较宽的发光面，易于搬运并快速安装，而且在搬运时不会损坏发光面。

Description

LED照明装置
技术领域
本发明属于LED照明领域，具体涉及一种LED照明装置。
背景技术
在日本专利（特开2007-258114号）中，公开了一种照明装置，该照明装置包括：LED（又称：发光二极管、Light Emitting Diode）安装体、安装在该LED安装体上的多个LED元件、分别安装在这些多个LED元件上的透镜元件。
但是，发光面形成得较宽的LED照明装置的尺寸有增大的趋势，因此其搬运变得困难，此外，即使拆开上述LED照明装置使其易于搬运，该LED照明装置在设置时也需要进行装配，因此难以进行LED照明装置的快速设置。此外，在搬运时，LED照明装置可能会因掉落等而受到撞击，然而，但人们希望即使发生上述情况时也不会损坏发光面。
发明内容
本发明的目的是提供一种LED照明装置，其形成较宽的发光面，易于进行搬运且能够快速进行设置，而且，在搬运时不会损坏发光面。
本发明的技术方案是：
一种LED照明装置，包括：矩形板状的发光板和分别连接在该发光板的上缘及下缘的一对相同形状的自由转动板，
所述发光板具有排列多个发光二极管而成的发光面，
各所述自由转动板能够绕沿着水平方向延伸的轴自如地转动，
各所述自由转动板向一个方向转动时与发光板叠合盖住发光面，向另一方向转动时可以展开而露出发光面。
下面对进一步技术方案进行说明。
在一对自由转动板中的至少一方的一个面即能够面向发光板的面上，形成有排列多个发光二极管而成的发光面。
具有所述发光面的自由转动板的沿着水平方向延伸的自由端边缘上连接有遮光板，所述遮光板能够绕沿着水平方向延伸的轴自如地转动。
一对自由转动板由遮光板构成。
本发明所述LED照明装置可应用于普通照明，道路施工现场、建筑作业现场等的照明，电视演播室、摄影棚、舞台等的照明和野外摄影时的照明。
下面对前述技术方案的优点或原理进行说明：
1、本发明的LED照明装置，特别是包括分别连接在发光板的上缘及下缘的一对相同形状的自由转动板，该自由转动板能够绕沿着水平方向延伸的轴自如地转动，各个自由转动板在向一个方向转动时与发光板叠合而盖住发光面，在向另一个方向转动时展开而露出发光面，因此，根据这种LED照明装置，即使发光板的发光面形成得较宽，也能够通过使一对自由转动板朝一一个方向转动与发光板叠合而折叠起来，从而易于进行搬运，另一方面，能够通过使自由转动板朝另一个方向转动，从而露出发光板的发光面，迅速地进行装置的设置，而且，在所述折叠状态时能够通过一对自由转动板覆盖发光板的发光面，避免在搬运时发生发光面的损坏。
2、在一对自由转动板中的至少一方的一个面即能够面向发光板的面上，也可以形成排列多个发光二极管而成的发光面。根据这种LED照明装置，即使不形成大型化的装置，也能够形成更宽的发光面，而且，通过适当地调节自由转动板相对于发光板的转动角度，能够适当地调整照明范围和对被照射物的光量。
3、根据本发明，能够提供一种LED照明装置，该LED照明装置形成较宽的发光面，易于进行搬运且能够快速进行设置，而且，在搬运时不会损坏发光面。
附图说明
图1为本发明实施例一的正面结构图。
图2为图1省略了一部分的侧面结构图。
图3为图1所示实施例一的动作示意图。
图4为图1所示实施例一的动作示意图。
图5为本发明实施例二的整体结构图。
附图标记说明：
1…LED照明装置；
2、27、37…发光面；
3…发光板；
6、7、46、47…自由转动板；
8…支撑体；
31、41…遮光板。
具体实施方式
下面对本发明的实施例进行详细说明。
实施例一
如图1至图4所示，本实施例的折叠式的LED照明装置1包括：矩形板状的发光板3、分别连接在发光板3的上缘4及下缘5的一对相同形状的自由转动板6及7、和支撑体8，所述发光板3具有排列多个发光二极管（未图示）而成的发光面2，所述一对自由转动板6及7能够绕沿着水平方向H延伸的轴朝R1及R2方向自如地转动，所述支撑体8支撑发光板3。
发光面2由排列多个发光二极管而成的多块光源板构成，在本实施例中，由十二块横向较宽的光源板11构成。
如图1所示，光源板11配置为：在垂直方向V排列了六块，在水平方向H排列了两块。
发光板3包括：所述光源板11、在前表面支承该光源板11的横向较宽的矩形板状基体12。
铰链13安装在矩形板状基体12的沿着水平方向H延伸的上缘4上，自由转动板6通过该铰链13与上缘4连接，能够朝R1及R2方向自如地转动。
铰链14安装在矩形板状基体12的沿着水平方向H延伸的下缘5上，自由转动板7通过该铰链14与下缘5连接，能够朝R1及R2方向自如地转动。
支撑体8通过轴能够自如转动地与矩形板状基体12的沿着垂直方向V延伸的两侧缘15及16连接。
支撑体8包括：在两端通过轴与侧缘15及16连接的U型支撑构件21、转动自如地与U型支撑构件21的中间部连接的三脚支撑构件22，支撑体8支撑发光板3，使得发光板3可以沿着垂直方向V延伸的轴为中心和以沿着水平方向H延伸的轴为中心自如地转动。
在本实施例中，自由转动板6包括：横向较宽的矩形板状主体25和发光面27，所述发光面27由形成在矩形板状主体25的展开状态时的前表面（一个面）26上的多个发光二极管（未图示）排列而成。
矩形板状主体25的前表面26配置为：在如图1、2及4所示的展开状态时，朝向照射被照射物（未图示）的方向，另一方面，在如图3所示的折叠状态时，面向发光板3的发光面2。
矩形板状主体25与矩形板状基体12的水平方向H的长度相同。
矩形板状主体25的沿着水平方向H延伸的下缘28通过铰链13可朝R1及R2方向自如转动地与矩形板状基体12的上缘4连接。在本实施例中，遮光板31与矩形板状主体25的沿着水平方向H延伸的上缘（自由端边缘）29连接，能够绕沿着水平方向H延伸的轴朝r1及r2方向自如地转动。
在本实施例中，虽然由于遮光板31与矩形板状主体25连接，导致矩形板状主体25的垂直方向V的宽度比发光板3的一半还短，但是，如果没有连接遮光板31，则矩形板状主体25的垂直方向V的宽度可以为发光板3或发光板3的发光面2的一半。
发光面27由与光源板11相同构造的多块光源板构成，在本实施例中由四块横向较宽的光源板32构成。
如图1所示，光源板32例如配置为：在垂直方向V排列了两块，在水平方向H排列了两块。
在本实施例中，自由转动板7包括：横向较宽的矩形板状主体35和发光面37，所述发光面37由形成在矩形板状主体35的展开时的前表面（一个面）36上的多个发光二极管（未图示）排列而成。
矩形板状主体35的前表面36配置为：在如图1、2及4所示的展开状态时，朝向照射被照射物（未图示）的方向，另一方面，在如图3所示的折叠状态时，面向发光板3的发光面2。
矩形板状主体35与矩形板状基体12的水平方向H的长度相同。矩形板状主体35的沿着水平方向H延伸的上缘38通过铰链14能够朝R1及R2方向自如地转动与矩形板状基体12的下缘5连接。在本实施例中，遮光板41与矩形板状主体35的沿着水平方向H延伸的下缘（自由端边缘）39连接，能够绕沿着水平方向H延伸的轴朝r1及r2方向自如地转动。
在本实施例中，由于遮光板41与矩形板状主体35连接，因此矩形板状主体35的垂直方向V的宽度比发光板3的一半还短，但是，如果没有连接，则矩形板状主体35的垂直方向V的宽度可以为发光板3或发光板3的发光面2的一半。
发光面37由与光源板11相同构造的多块光源板构成，在本实施例中由四块横向较宽的光源板42构成。
如图1所示，光源板42例如配置为：在垂直方向V排列了两块，在水平方向H排列了两块。
上述自由转动板6及7的构造相同。自由转动板6及7各自构成为：朝R1方向转动时与发光板3叠合从而盖住发光面2，另一方面，朝R2方向转动时展开而露出发光面2。
如图1及2所示，在展开状态时，上述LED照明装置1中，能够使发光板3、自由转动板6及7和遮光板31及41沿着垂直方向V延伸配置。这里，通过使自由转动板6及7相对于发光板3朝R1及R2方向，主要是R1方向转动，且使遮光板31及41相对于自由转动板6及7朝r1及r2方向，主要是r1方向转动，能够适当地调整照明范围和对被照射物的光量。
要折叠展开状态的LED照明装置1时，通过使自由转动板6朝R1方向转动使发光面27面向发光面2并使发光板3与自由转动板6叠合，并且，使自由转动板7朝R1方向转动使发光面37面向发光面2并使发光板3与自由转动板7叠合，能够得到图3所示的折叠状态。此外，在图3所示的折叠状态中，遮光板31及41相互重叠。通过这样的折叠，能够在搬运时使各面板相互紧凑，而且能够通过矩形板状基体12、矩形板状主体25及35和遮光板31及41保护发光面2、27及37。
要展开图3所示的折叠状态的LED照明装置1时，通过使自由转动板6朝R2方向转动使发光面2露出并使发光面27朝向被照射物，并且，使自由转动板7朝R2方向转动使发光面2露出并使发光面37朝向被照射物，能够得到图1、2或4所示的展开状态。通过这样的展开，能够确保LED照明装置1具有较宽的发光面。
本实施例的LED照明装置1包括：矩形板状的发光板3和分别与发光板3的上缘4及下缘5连接的一对相同形状的自由转动板6及7，所述发光板3具有排列多个发光二极管（未图示）而成的发光面2，所述自由转动板6及7能够绕沿着水平方向H延伸的轴朝R1及R2方向自如地转动，自由转动板6及7朝R1方向转动时覆盖发光面2并与发光板3叠合，另一方面，朝R2方向转动时可以展开从而露出发光面2，因此，根据这种LED照明装置1，即使发光板3的发光面2形成得较宽，也能够通过折叠使一对自由转动板6及7朝R1方向转动使其与发光板3叠合，从而易于进行搬运，另一方面，能够通过使自由转动板6及7朝R2方向转动，从而露出发光板3的发光面2，迅速地进行装置的设置，而且，在所述折叠状态时通过自由转动板6及7覆盖发光板3的发光面2，能够避免在搬运时发生发光面2的损坏。
LED照明装置1中，在自由转动板6及7中的至少任一者的、本实施例为两自由转动板6及7各自的一个面26及36即能够面向发光板3的所述面26及36上，形成了由多个发光二极管排列而成的发光面27及37，因此，根据这种LED照明装置1，即使不形成大型化的装置，也能够形成较宽的发光面，而且，通过适当地调节自由转动板6及7相对于发光板3的转动角度，能够适当地调整照明范围和对被照射物的光量，而且，遮光板31及41分别与自由转动板6及7的沿着水平方向H延伸的自由端边缘29及39连接，能够绕沿着水平方向H延伸的轴自如地转动，因此通过该遮光板31及41也能够适当地调整照明范围等。
实施例二
本实施例所述LED照明装置1中，也可以包括如图5所示的由遮光板构成的自由转动板46及47，代替自由转动板6及7。所述自由转动板46及47的垂直方向V的宽度也可以分别为发光板3的发光面2的一半。
以上所述实施例仅表达了本发明的具体实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。

Claims (4)

  1. 一种LED照明装置，其特征在于，包括：矩形板状的发光板和分别连接在该发光板的上缘及下缘的一对相同形状的自由转动板，
    所述发光板具有排列多个发光二极管而成的发光面，
    各所述自由转动板能够绕沿着水平方向延伸的轴自如地转动，
    各所述自由转动板向一个方向转动时与发光板叠合盖住发光面，向另一方向转动时可以展开而露出发光面。
  2. 根据权利要求1所述LED照明装置，其特征在于，在一对自由转动板中的至少一方的一个面即能够面向发光板的面上，形成有排列多个发光二极管而成的发光面。
  3. 根据权利要求2所述LED照明装置，其特征在于，具有所述发光面的自由转动板的沿着水平方向延伸的自由端边缘上连接有遮光板，所述遮光板能够绕沿着水平方向延伸的轴自如地转动。
  4. 根据权利要求1所述LED照明装置，其特征在于，一对自由转动板由遮光板构成。
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