WO2013033885A1 - Planar light - Google Patents

Planar light Download PDF

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Publication number
WO2013033885A1
WO2013033885A1 PCT/CN2011/079343 CN2011079343W WO2013033885A1 WO 2013033885 A1 WO2013033885 A1 WO 2013033885A1 CN 2011079343 W CN2011079343 W CN 2011079343W WO 2013033885 A1 WO2013033885 A1 WO 2013033885A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
surface
plurality
light emitting
emitting units
Prior art date
Application number
PCT/CN2011/079343
Other languages
French (fr)
Chinese (zh)
Inventor
卢星亮
Original Assignee
Lu Hsingliang
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 Lu Hsingliang filed Critical Lu Hsingliang
Priority to PCT/CN2011/079343 priority Critical patent/WO2013033885A1/en
Publication of WO2013033885A1 publication Critical patent/WO2013033885A1/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2105/00Planar light sources
    • F21Y2105/10Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2105/00Planar light sources
    • F21Y2105/10Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F21Y2105/12Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities

Abstract

A planar light (10), having a combination function and including a plurality of light-emitting units (20), each light-emitting unit consisting of a substrate (20A, 20B) of a geometric shape and a plurality of light-emitting diodes (200) provided on each substrate surface; a piece of metal carrier (30) having a first surface (301) connected to the substrates of the plurality of light-emitting units; a power source device (40) provided on the first surface and electrically connected to each light-emitting unit via a plurality of wires, wherein the distance between the light-emitting diodes on each light-emitting unit is the same and the distance between the light-emitting diodes between the light-emitting units is the same. The planar light can realize the effects of uniform brightness and heat dissipation.

Description

 Flat light

 The present invention relates to a flat panel lamp, and more particularly to a flat panel lamp using a combination of a plurality of lighting units for use in office lighting or wall lighting. Background technique

 Flat lights for general office lighting or for wall lighting have been used for many years, previously using more power-hungry gas lamps or traditional light bulbs with less luminous efficiency. In order to meet the needs of the times, most of the current indoor lighting emphasizes the concept of energy saving and carbon reduction. Therefore, when replacing indoor lighting, most of the lighting fixtures are made of LEDs. This is because LEDs have low power consumption. , long life and other advantages, but cooling considerations are often the main point of this new indoor lighting. The current plane lights are missing as follows:

 1. Energy consumption: If mercury lamps and xenon lamps made of traditional light bulbs or gas lamps are still used, the power consumption is extremely high, which will cause energy loss.

 2. The light source is not properly protected: At present, the general indoor floor lamp is mostly fixed on the outside by the grille, so that the light source is exposed to the atmosphere, and it is not protected from dust, water and rust, which may shorten the indoor Lamp life.

 3. Adding a heat sink to increase the volume of the lamp body: A few of the lamps with heat-dissipating structure are added. Due to the lack of perfection, the heat dissipation effect is improved, but the overall size is too large due to the installation of the heat dissipation structure. Carrying and installing is inconvenient, and the manufacturing cost is increased.

 The present invention is based on the above-mentioned common defects, and it is hoped that the flat lamp provided by the present invention can simultaneously achieve energy saving, effectively protect the illuminating light source, increase the service life, increase the heat dissipation effect, and be easy to install. Summary of the invention

In order to solve the above problems, a main object of the present invention is to provide a heat dissipation property, which can achieve dustproof, waterproof, rustproof, and long service life, and at the same time, consider aesthetic visual factors and have A flat light with a combined function.

 Another main object of the present invention is to provide a flat lamp that can combine a plurality of light-emitting units onto a metal carrier board, which can effectively help the flat-panel lamp achieve the heat dissipation effect and prolong the service life without adding a heat sink device, and does not increase The overall flat lamp volume.

 A further main object of the present invention is to provide a planar light that can be combined with a plurality of light-emitting units to a metal carrier having a metal frame, which can effectively help the flat light to achieve heat dissipation and extend the service life without having to install The heat sink does not increase the overall flat lamp volume.

 Another main object of the present invention is to provide a flat lamp that can combine a plurality of light-emitting units onto a metal carrier board, which can be conveniently used by a user to present a large area of a picture or image outdoors, such as: an advertising billboard or a signboard. That is, the present invention is a combination of illuminating units to a desired illumination area, and illuminating through an LED light source and exhibiting light effects through a pattern on the diffusion film. Another main object of the present invention is to provide illumination of different sizes. Units, according to customer needs, select the appropriate size of the lighting unit, and configure the appropriate number of LEDs, in order to achieve the purpose of customization, can effectively reduce the cost and manufacturing time.

 Another main object of the present invention is to provide light-emitting units of different sizes. The spacing and distance between each of the light-emitting diodes on each light-emitting unit are the same. In addition to the brightness-hook effect, the heat-dissipating effect can be further achieved.

 At the same time, another main object of the present invention is to provide different sizes of light-emitting units, and the interval and distance between each light-emitting diodes between each light-emitting unit are the same, so that in addition to achieving a uniform brightness effect, the heat-dissipating heat can be further achieved. Effect.

 According to the above objective, the present invention provides a flat panel lamp comprising: a plurality of light emitting units, each of the light emitting units being composed of a geometric substrate and a plurality of light emitting diodes disposed on a surface of each of the substrates; The board has a first surface, and the first surface is connected to the substrate of the plurality of light emitting units, and a power supply device is disposed on the first surface, and is electrically connected to each of the light emitting units through a plurality of wires, wherein each of the lights The spacing between each of the LEDs on the unit is the same as the distance, and the spacing and distance between each of the LEDs is the same.

According to the above object, the present invention provides a planar lamp comprising: a plurality of light emitting units, each of the light emitting units comprising a geometric substrate and a plurality of light emitting diodes disposed on a surface of each substrate Each of the LED strips is configured with a plurality of light emitting diodes and a metal carrier board having a first surface, and the first surface is connected to the substrate of the plurality of light emitting units, and a power supply device is disposed at the first On the surface, the plurality of light-emitting diode strips are electrically connected to each other through a plurality of wires, wherein each of the light-emitting diodes on each of the light-emitting units has the same interval and distance, and at the same time, each light-emitting diode between each light-emitting unit The spacing is the same as the distance.

 Advantageous Effects of Invention According to the present invention, a combinable flat lamp can achieve good heat dissipation, dustproof, waterproof, rust-proof, and long service life, while considering the effect of aesthetic visual factors. DRAWINGS

 1A is a top plan view showing an embodiment of a light emitting unit of the present invention;

 1B is a top plan view showing another embodiment of the light emitting unit of the present invention;

 Figure 2 is a schematic view of an embodiment of a flat lamp of the present invention;

 Figure 3 is a schematic view of a light emitting diode strip of the present invention;

 Figure 4 is a schematic view of a cover of the present invention;

 Figure 5 is a schematic illustration of a flat lamp of the present invention. Main component symbol description

 Flat light 10

 Light unit 20

 Substrate 20A/20B

 Multilayer board 100A

 LED strip 100

 Light-emitting diode 200

 Metal carrier 30

 First surface 301

 Power supply unit 40

 Constant electric device 400

Metal frame 50 Lock firmware 70

 For a more complete and clear disclosure of the technical content, the object of the invention, and the achievable effects of the planar lamp 10 of the present invention, it will be described in detail below, and please refer to the disclosed Drawing number.

 First, please refer to FIG. 1A, which is a top view of an embodiment of a light emitting unit of the present invention. As shown in FIG. 1A, the light emitting unit 20 is composed of a rectangular substrate 20A and a plurality of light emitting diodes (LEDs) 200 disposed on the upper surface of the rectangular substrate 20A, and each of the light emitting diodes 200 is on the horizontal axis (X) and The distance between the longitudinal axes (Y) is the same; in particular, when the plurality of light emitting units 20 are combined, the light emitting diode 200 between each of the light emitting units 20 is on the horizontal axis (X) and the vertical axis

The distance between (Y) remains the same. In this embodiment, the rectangular substrate 20A of the light emitting unit 20 is made of a metal material and has better heat conduction characteristics, especially when the light emitting diode 200 between each of the light emitting units 20 is on the horizontal axis (X) and the vertical axis (Y). When the distance between them is the same, the effect of uniform heat dissipation can be achieved; the material of the substrate 20A of the embodiment can be selected from aluminum, glass fiber (FRP, FR-4) or plastic material.

 Next, please refer to FIG. 1B , which is a top view of another embodiment of the light emitting unit of the present invention. As shown in FIG. 1B, the light emitting unit 20 is composed of a polygonal substrate 20B and a plurality of light emitting diodes 200 disposed on the upper surface of the polygonal substrate 20B, and each of the light emitting diodes 200 has a horizontal axis (X) and a vertical axis (Y). The distance between them is the same; especially when the plurality of light emitting units 20 are combined, the light emitting diode 200 between each of the light emitting units 20 is on the horizontal axis (X) and the vertical axis

The distance between (Y) remains the same. In the present embodiment, the rectangular substrate 20B of the light-emitting unit 20 is made of a metal material and has good thermal conductivity, especially when the light-emitting diode 200 between each of the light-emitting units 20 is on the horizontal axis (X) and the vertical axis (Y). When the distance between the two is the same, the effect of uniform heat dissipation can be achieved; the material of the substrate 20B of the embodiment can be selected from aluminum, glass fiber (FRP, FR-4) or plastic material.

Next, please refer to FIG. 2, which is a schematic diagram of an embodiment of a planar light according to the present invention. As shown in FIG. 2, the planar lamp 10 of the present invention includes a metal carrier 30 and a plurality of metal plates. The light emitting unit 20 on the carrier 30 and a power supply unit 40 are formed. The metal carrier 30 of the embodiment has a first surface 301, so that the plurality of light emitting units 20 can be fixed on the first surface 301. In addition, the arrangement of the plurality of light emitting units 20 on the first surface 301 of the metal carrier 30 may be arranged on the first surface 301 of the metal carrier 30 by a plurality of light emitting units 20 of the same size, for example. The plurality of light-emitting units 20 of FIG. 1A are combined and arranged on the first surface 301 of the metal carrier 30; and the number of the LEDs 200 on each of the light-emitting units 20 can be adjusted according to the required illumination value and user requirements. . Furthermore, the material of the metal carrier 30 of the present embodiment may be selected from aluminum, glass fiber (FRP, FR-4) or plastic material, and the shape and appearance color of the metal carrier 30 are not limited in this embodiment. The power supply unit 40 includes at least one constant current device 400, such as a DC-DC converter, for converting alternating current into direct current usable by the light emitting unit 20, and supplying each of the plurality of light emitting units 20 A source of current required for a light emitting diode 200. In the present embodiment, the constant current device 400 is disposed directly on the side of the metal carrier 30 as shown in FIG. In another embodiment of the present invention, when the metal frame 50 is formed on the periphery of the first surface 301 of the metal carrier 30, the constant current device 400 of the embodiment may be disposed inside the metal frame 50 or the metal frame 50. The back can be. In addition, the constant current device 400 can be externally coated with a metal shell to be isolated from the light emitting unit 20, and is not interfered with by light, electricity or heat, and can effectively improve the service life of the constant current device 400.

 Next, please refer to FIG. 3 , which is a schematic diagram of the LED strip of the present invention. As shown in FIG. 3, the light emitting unit 20 of the present invention includes a rectangular multilayer circuit board 100A on which a plurality of serially connected electrical connection locations are disposed. Next, a process of bonding a plurality of light emitting diodes 200 through the surface is shown. (SMD Process) is electrically connected to each of the electrical connection locations; in this embodiment, it is formed into a light-emitting diode strip 100 (LED String); and then, the multilayer circuit board 100A of the LED strip 100 is The substrates 20A/20B are joined together to form one light emitting unit 20; wherein the bonding between the multilayer circuit board 100A and the substrates 20A/20B can be achieved using a thermal conductive adhesive. Finally, a plurality of serially connected electrical connection locations on the light-emitting unit 20 are electrically connected to wires (not shown) for connecting to the power supply device 40 to provide a plurality of light-emitting diodes 200 on the light-emitting unit 20. The required power supply.

Another of each of the light emitting diode strips 100 of the present invention relative to the plurality of light emitting diodes 200 The surface may also be connected to a heat conducting plate having a heat conducting effect. The material of the heat conducting plate may be metal; and the material connecting the heat conducting plate to the LED strip 100 may be a thermal conductive adhesive. Therefore, when the LED strip 100 is integrated with the substrate 20A/20B, the heat dissipation path of the present invention transfers the heat generated by the plurality of LED strips 100 to the substrate 20A/20B via the thermal conductive adhesive via the multilayer circuit board 100A. The effect that the LED strip 100 can dissipate heat is achieved.

 Since in the embodiment of FIG. 2, the plurality of light emitting units 20 are arranged on the first surface 301 of the metal carrier 30, each of the light emitting units 20 is bonded to the first surface 301 of the metal carrier 30. The manner of fixing the light emitting unit 20 to the first surface 301 of the metal carrier 30 may be by using a thermal conductive glue or soldering or fastening with a locking member 70 (for example, a screw). Therefore, when the plurality of light emitting units 20 are disposed on the first surface 301 of the metal carrier 30, the substrate 20A/20B on the light emitting unit 20 can be in contact with the first surface 301 of the metal carrier 30, so that the light emitting unit 20 is placed thereon. The generated heat source is transmitted to the entire metal carrier 30 to effectively increase the heat dissipation efficiency. In addition, the present invention can also use the thermal conductive adhesive to bond the light emitting unit 20 to the first surface 301 of the metal carrier 30. The thermal conductive adhesive has the characteristics of being thermally conductive but not electrically conductive, so that the heat generated in the light emitting unit 20 can pass through the thermal conductive adhesive. It spreads to the entire metal carrier 30, so it can help the heat to escape and effectively increase the heat dissipation efficiency.

 Next, please refer to FIG. 4, which is a schematic view of a cover of the present invention. As shown in FIG. 4, in order to enable the flat lamp 10 of the present embodiment to provide a more uniform illumination, a metal integrated with the first surface 301 may be further formed around the first surface 301 of the metal carrier 30. The frame 50, through the structure of the metal frame 50, allows the present embodiment to cover the metal frame 50 with a cover 60, such as: a plastic cover 60, as shown in FIG. Obviously, the specific pattern design on the outer cover 60 can achieve the effect of brightness hooking, so that the user can further prevent the user from directly looking at the flat light 10 to generate glare, which can make the flat light 10 softer and at the same time The cover 60 protects the internal light-emitting unit 20 from moisture or fly ash. Here, the metal frame 50 may be made of aluminum, and its shape and size are not limited.

It is emphasized here that one of the features of the present invention is that a plurality of light-emitting units 20 having the same shape and size are combined according to the needs of the product to obtain illumination with uniform brightness. Therefore, the shape and size of the outer cover 60 of the present invention are not limited, and the shape may be any geometric shape; for example, a circle, a rectangle, a polygon, or the like. In addition, the shape, size and size of the flat lamp 10 of the present invention can be customized according to the needs of the user, so that the flat lamp 10 of the present invention can be used for office lighting, wall advertising, lighting, and drawing. For illumination, illumination of image frames, illumination of signboards, etc., please refer to FIG. 5, which is a schematic diagram of a flat lamp of the present invention.

 One embodiment is described as follows: When the size of each of the light-emitting units 20 is 15 cm square, the combination of the size of the metal carrier 30 can be performed, and an appropriate number of the light-emitting units 20 are mounted on the metal carrier 30; For example, when the metal carrier 30 is a 65 cm square lamp, four 15 cm square light emitting units 20 may be disposed on the metal carrier 30, and if each of the light emitting units 20 is provided with seven LED strips 100, and each When there are 14 LEDs 200 on the LED strip 100, the lamp is formed by nearly 400 LEDs 200, wherein each LED strip 100 is supplied with current by a constant current device 400; When a constant current device 400 supplies a current of 30 mA, the planar lamp 10 composed of four light-emitting units 20 in the present invention can provide nearly 400 LEDs 200 illumination function by providing only 1 amp current. Accordingly, when the flat lamp 10 of the present invention is used in a large outdoor advertising billboard, for example, when the large advertising billboard is 16 meters long and 9 meters wide, it can be 15 centimeters square. The illuminating unit 20 is sequentially arranged and combined on the metal carrier 30 of the large advertising billboard, and the number of the LEDs 200 on each of the illuminating units 20 can be configured according to actual illuminance requirements, and the present invention is not limited thereto. . Obviously, the large advertising billboard of the present invention can be provided with a diffusing film (not shown) on the flat lamp 10, such as a beauty map, a landscape map, and the like. In addition, in the use of large advertising billboards, a different number of light emitting diodes 200 may be disposed on the light emitting unit 20, or the mounting position may be determined by the required illumination value, thereby expanding the combined planar light emitting device to be diffused. Any image, text, picture, beauty picture, etc. are attached to the film to make the displayed image clearer and brighter. It is emphasized here that the size of the illumination unit 20 of the present invention is not limited to 15 cm, which may be formed by other dimensions. Therefore, a main object of the present invention is to complete the difference before the customized planar lamp 10 is completed. The size of the light-emitting unit 20, after the customer's demand is determined, select the appropriate size of the light-emitting unit 20, and configure the appropriate number of light-emitting diodes 200, in order to achieve the purpose of customization, can effectively reduce the cost and manufacturing time.

In another embodiment, the diffusion film is mounted on the front and back sides of the outer frame, that is, both sides are In this case, the light-emitting unit 20 is a two-piece back-to-back bonding method, and is attached to the two sides of the metal carrier 30. The remaining structural components or functional designs are the same as those in the previous embodiment, and are not described herein again.

 It is obvious that the present invention mainly provides a fixed-size light-emitting unit 20, and the light-emitting unit 20 is disposed on a metal carrier 30 in combination, by which a plurality of light-emitting units 20 can be combined. The invented flat light 10 can provide related applications such as lamps of different sizes and shapes, or advertising billboards.

 It is emphasized here that one of the features of the present invention is that a plurality of light-emitting units 20 of uniform shape and size are combined according to the needs of the product to obtain illumination with uniform brightness. Therefore, the shape and size of the substrate 20A/20B of the light-emitting unit 20 of the present invention are not limited, and the shape thereof may be any geometric shape; for example, a circle, a rectangle, a polygon, or the like.

 While the present invention has been described above in terms of the preferred embodiments thereof, it is not intended to limit the invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The scope of patent protection of the invention is subject to the definition of the scope of the patent application attached to this specification.

Claims

Claim
A flat panel lamp, comprising:
 a plurality of light emitting units, each of the light emitting units being composed of a geometric substrate and a plurality of light emitting diodes disposed on a surface of each of the substrates;
 a metal carrier having a first surface, and the first surface is coupled to the substrate of the plurality of light emitting units;
 a power supply device, disposed on the first surface, electrically connected to the light emitting units through a plurality of wires; wherein
 Each of the light-emitting diodes on each of the light-emitting units has the same interval and distance, and at the same time, each of the light-emitting diodes between each of the light-emitting units has the same interval and distance.
 2. The flat lamp according to claim 1, wherein the metal carrier is made of aluminum, glass fiber (FRP, FR-4) or a plastic material.
 3. A planar light as claimed in claim 1, wherein the power supply unit is a constant current device.
 4. The flat lamp according to claim 1, wherein a heat conducting plate is disposed on the other surface of the substrate of each of the light emitting units.
 The flat lamp according to claim 4, wherein the heat conducting plate is integrated with the first surface of the metal carrier by a thermal conductive adhesive.
 6. The planar light of claim 1 wherein the planar light further defines a metal bezel integrally formed with the first surface about the first surface of the metal carrier.
 7. The planar light of claim 5, wherein the planar light further comprises a cover on the metal bezel.
 8. A flat panel lamp, comprising:
 a plurality of light emitting units, each of the light emitting units being composed of a geometric substrate and a plurality of light emitting diode strips disposed on a surface of each of the substrates, and each of the light emitting diode strips is configured with a plurality of light emitting diodes;
a metal carrier having a first surface, and the first surface and the plurality of light emitting units Substrate connection;
 a power supply device is disposed on the first surface, and is electrically connected to the LED strips through a plurality of wires;
 Each of the light-emitting diodes on each of the light-emitting units has the same interval and distance, and at the same time, each of the light-emitting diodes between each of the light-emitting units has the same interval and distance.
 9. The planar light of claim 8, wherein the planar light further defines a metal bezel integrally formed with the first surface around the first surface of the metal carrier.
 10. The flat lamp of claim 9, wherein the flat lamp further has a cover disposed on the metal frame.
PCT/CN2011/079343 2011-09-05 2011-09-05 Planar light WO2013033885A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/079343 WO2013033885A1 (en) 2011-09-05 2011-09-05 Planar light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/079343 WO2013033885A1 (en) 2011-09-05 2011-09-05 Planar light

Publications (1)

Publication Number Publication Date
WO2013033885A1 true WO2013033885A1 (en) 2013-03-14

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Application Number Title Priority Date Filing Date
PCT/CN2011/079343 WO2013033885A1 (en) 2011-09-05 2011-09-05 Planar light

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Country Link
WO (1) WO2013033885A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060268550A1 (en) * 2005-05-24 2006-11-30 Kuang-Tseng Lin High-power LED lamp having heat dissipation assembly
CN201014251Y (en) * 2007-01-09 2008-01-30 深圳帝光电子有限公司 Lamp
CN201083375Y (en) * 2007-07-11 2008-07-09 新高功能医用电子有限公司 Modularization illuminating equipment with high optical and heat dispersion efficiency
CN201246632Y (en) * 2008-01-08 2009-05-27 深圳大学 Large area uniform luminance LED backlight device
CN201363590Y (en) * 2009-01-22 2009-12-16 上海开腾信号设备有限公司 Large-power LED light source with saturated and gentle light and large-power LED illumination lamp using same
CN201661963U (en) * 2010-04-19 2010-12-01 兰普电器有限公司 Railway transit passenger car luminaire formed by LED flat luminous sources
CN101963338A (en) * 2010-07-06 2011-02-02 浙江大学 Heat radiating device of LED array illuminating equipment and manufacture method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060268550A1 (en) * 2005-05-24 2006-11-30 Kuang-Tseng Lin High-power LED lamp having heat dissipation assembly
CN201014251Y (en) * 2007-01-09 2008-01-30 深圳帝光电子有限公司 Lamp
CN201083375Y (en) * 2007-07-11 2008-07-09 新高功能医用电子有限公司 Modularization illuminating equipment with high optical and heat dispersion efficiency
CN201246632Y (en) * 2008-01-08 2009-05-27 深圳大学 Large area uniform luminance LED backlight device
CN201363590Y (en) * 2009-01-22 2009-12-16 上海开腾信号设备有限公司 Large-power LED light source with saturated and gentle light and large-power LED illumination lamp using same
CN201661963U (en) * 2010-04-19 2010-12-01 兰普电器有限公司 Railway transit passenger car luminaire formed by LED flat luminous sources
CN101963338A (en) * 2010-07-06 2011-02-02 浙江大学 Heat radiating device of LED array illuminating equipment and manufacture method

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