CN101319760B - Illumination system - Google Patents

Illumination system Download PDF

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Publication number
CN101319760B
CN101319760B CN2008101275152A CN200810127515A CN101319760B CN 101319760 B CN101319760 B CN 101319760B CN 2008101275152 A CN2008101275152 A CN 2008101275152A CN 200810127515 A CN200810127515 A CN 200810127515A CN 101319760 B CN101319760 B CN 101319760B
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CN
China
Prior art keywords
bearing substrate
heating column
electrode
lamp socket
hollow bulb
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Expired - Fee Related
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CN2008101275152A
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Chinese (zh)
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CN101319760A (en
Inventor
吴裕朝
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Dongguan Zhengguang Lighting Technology Co., Ltd.
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吴裕朝
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Priority to CN2008101275152A priority Critical patent/CN101319760B/en
Publication of CN101319760A publication Critical patent/CN101319760A/en
Priority to PCT/CN2009/072439 priority patent/WO2009155866A1/en
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    • 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
    • F21V7/00Reflectors for light sources
    • F21V7/22Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • 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
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F21V23/002Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
    • 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
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/502Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/505Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
    • 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
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/71Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F21V29/713Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
    • 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
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • 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
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/75Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
    • 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
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • 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
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21V7/00Reflectors for light sources
    • F21V7/22Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • 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
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89Metals
    • 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
    • F21V31/00Gas-tight or water-tight arrangements
    • F21V31/04Provision of filling media
    • 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
    • F21Y2103/00Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10Elongate light sources, e.g. fluorescent tubes comprising a linear 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
    • 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention provides a luminescent system. The luminescent system comprises a light emitting diode module with a heat conducting area; a load-bearing base plate for bearing the light emitting diode module; a lamp base combined with the load-bearing base plate; a heat conducting column positioned at the lower part of the heat conducting area and clamped between the load-bearing base plate and the lamp base; a first electrode and a second electrode which are electrically connected with the light emitting diode module and surround the heat conducting column along a circular area or a concentric circle area. The luminescent system is easy to be assembled or disassembled, and can effectively increase the luminous efficiency.

Description

Luminescent system
Technical field
The present invention is relevant for a kind of luminescent system, and is particularly to a kind of luminescent system with light-emitting diode (LED) module.
Background technology
Light emitting diode (Light Emitting Diode, be called for short LED) have advantages such as high brightness, volume are little, in light weight, cracky, low power consumption and life-span be not long because of it, so be widely used in the various demonstration product, its principle of luminosity is as follows: apply a voltage on diode, the electronics that orders about in the diode combines with the hole, and this discharges in conjunction with the form of the energy that is produced with light; In addition, still can add fluorophor in this structure, to adjust emission wavelength (color) and intensity.
The wherein appearance of white light emitting diode, the application with light emitting diode extends to lighting field especially; With in white light emitting diode and the illumination at present the incandescent lamp bulb of normal use and fluorescent lamp relatively, advantage such as light emitting diode has lower calorific value, low power consumption, the life-span is long, reaction speed is fast, volume is little is so be the emphasis that industry developed.
Yet,, and be not suitable for ordinary consumer and buy use voluntarily because assembly and disassembly are difficult at present by the luminescent system that light-emitting diode (LED) module made up.Therefore a kind of luminescent system that is easy to assembly and disassembly of needs is arranged, also can reduce of the influence of bad assembling mode simultaneously the electrical and radiating effect of luminescent system.
Summary of the invention
In view of this, the invention provides a kind of luminescent system, comprising: a light-emitting diode (LED) module has a thermal conductive zone; One bearing substrate, the carrying light-emitting diode (LED) module; One lamp socket combines with bearing substrate; One heating column is below the thermal conductive zone and be folded between bearing substrate and the lamp socket; One first electrode and one second electrode electrically connect light-emitting diode (LED) module, and this first electrode and this second electrode along a border circular areas or a concentric circular regions round heating column; Wherein, also comprise one first contact mat and one second contact mat, it is positioned at outside this heating column, and be positioned on this border circular areas or this concentric circular regions, with when this lamp socket or this bearing substrate rotate displacement, remain this first contact mat and this second contact mat and electrically contact this first electrode and this second electrode.
Luminescent system of the present invention, this first electrode and this second electrode are positioned on this bearing substrate, and this first contact mat and this second contact mat are positioned on this lamp socket and electrically connect one first power line and a second source line.
Luminescent system of the present invention, this first contact mat and this second contact mat are positioned on this bearing substrate electrically connecting this light-emitting diode (LED) module, and this first electrode and this second electrode are positioned on this lamp socket to electrically connect one first power line and a second source line.
Luminescent system of the present invention, this first electrode and this second electrode are arranged on the circuit substrate, this circuit substrate is positioned at this bearing substrate, this lamp socket or between the two, and this first electrode and this second electrode are made of one first conductive structure and one second conductive structure, and are arranged on this circuit substrate along this border circular areas or this concentric circular regions.
Luminescent system of the present invention also comprises a rotary-locking device, and this lamp socket and this bearing substrate are by rotating this lamp socket or this bearing substrate is incorporated on this rotary-locking device.
Luminescent system of the present invention, this first conductive structure and this second conductive structure be the semicircle or semi-circular pattern for being isolated from each other on this border circular areas.
Luminescent system of the present invention, this first conductive structure and this second conductive structure be circle or the circular pattern for being isolated from each other on this concentric circular regions.
Luminescent system of the present invention, this first conductive structure or this second conductive structure are made of a plurality of discontinuous pattern, and the interval of wantonly two adjacent discontinuous pattern is less than the length of this contact mat.
Luminescent system of the present invention, this heating column and this bearing substrate are one-body molded, and this lamp socket comprises that a hollow bulb is to hold this heating column.
Luminescent system of the present invention, the bottom of this hollow bulb comprises a steam vent, with when this heating column enters the hollow bulb of this lamp socket, discharges the air that is positioned at this hollow bulb.
Luminescent system of the present invention, this bearing substrate comprise that a hollow bulb is to hold this heating column.
Luminescent system of the present invention, the sidewall of this hollow bulb or this heating column also comprise a steam vent, during with the hollow bulb below this heating column enters this thermal conductive zone, discharge the air that is positioned at this hollow bulb.
Luminescent system of the present invention, this heating column and this lamp socket are one-body molded.
Luminescent system of the present invention, the contact area of this heating column and this bearing substrate account for 1/4th to 2/3rds of this bearing substrate.
Luminescent system of the present invention, this rotary-locking device comprise that the screw thread that is arranged on this heating column locks on this bearing substrate or this lamp socket to revolve.
Luminescent system of the present invention, this bearing substrate or this lamp socket comprise that a hollow bulb is to hold this heating column, and the sidewall of this hollow bulb comprises that a relative screw thread is to revolve this heating column of lock, wherein the screw thread of the sidewall of this hollow bulb or this heating column is provided with a breach with as steam vent, during with the hollow bulb below this heating column enters this thermal conductive zone, discharge the air in this hollow bulb.
Luminescent system of the present invention, this bearing substrate are the part of this light-emitting diode (LED) module.
Luminescent system of the present invention, this heating column is a ladder type or pyramidal structure, and has end face than small size towards this bearing substrate.
The present invention also provides a kind of luminescent system, comprising: a light-emitting diode (LED) module has a thermal conductive zone; One bearing substrate carries this light-emitting diode (LED) module; One lamp socket combines with this bearing substrate; And a heating column, below this thermal conductive zone and be folded between this bearing substrate and this lamp socket; One first electrode and one second electrode electrically connect this light-emitting diode (LED) module, and this first electrode and this second electrode along a border circular areas or a concentric circular regions round this heating column; Wherein this heating column and this bearing substrate are one-body molded, and this lamp socket comprises that a hollow bulb is to hold this heating column; And the bottom of this hollow bulb comprises a steam vent, with when this heating column enters the hollow bulb of this lamp socket, discharges the air that is positioned at this hollow bulb.
Luminescent system of the present invention is easy to assembly and disassembly, and can effectively promote luminous efficiency.
Description of drawings
Figure 1A is the light-emitting diode (LED) module part sectioned view that illustrates an embodiment.
Figure 1B illustrates the arrangement mode of luminescent wafer in its luminous row of an embodiment of Figure 1A.
Fig. 1 C illustrates the arrangement mode of luminescent wafer in its luminous row of another embodiment of Figure 1A.
Fig. 2 is the luminescent system schematic diagram that illustrates an embodiment.
Fig. 3 is the luminescent system schematic diagram that illustrates another embodiment.
Fig. 4 is the luminescent system schematic diagram that illustrates another embodiment.
Fig. 5 is the combination schematic diagram that illustrates the luminescent system of an embodiment.
Fig. 6 A to Fig. 6 B is the electrode structure vertical view that illustrates an embodiment.
Fig. 7 is the vertical view that illustrates the radiating seat of an embodiment.
Fig. 8 A to Fig. 8 B illustrates the luminescent system schematic diagram with reflector.
Fig. 9 A, Fig. 9 B illustrate in another embodiment, the electrode structure vertical view of luminescent system.
The specific embodiment
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, cited below particularlyly go out preferred embodiment, and cooperate appended graphicly, be described in detail below.
Present embodiment is incorporated PCT number of patent application PCT/CN2007/002570 into as reference of the present invention at this.
In the following example of the present invention, the luminescent system by the light-emitting diode (LED) module combination mainly is described respectively, but described embodiment only is used to the present invention is described in order to limit scope of the present invention.
Light-emitting diode (LED) module with reflective structure
Figure 1A illustrates the light emitting module with reflective structure of preferred embodiment of the present invention.Light-emitting diode (LED) module 100 comprises a shared bearing substrate 102, in order to carry a plurality of LED wafers 104, in this example, described LED wafer can be arranged at least one luminous row 130, and each luminous row 130 is centered on by a reflective structure 110, and reflective structure 110 comprises the column space of corresponding above-mentioned luminous row 130, on the fixing bearing substrate 102 of a plurality of luminescent wafers 104 in column space.In addition, because many luminescent wafers can be divided into the multiple row configuration, and centered on by the reflective structure of multiple row respectively, therefore, the situation that is only centered on compared to whole luminescent wafers by a circulus, each luminescent wafer of every row and the spacing of reflective structure are not only shorter, and also are easier to make the light that sends to expose to adjacent reflective structure and are difficult for being stopped by other luminescent wafers.Each LED wafer 104 in the wherein above-mentioned luminous row 130 can be electrically connected to the electrode 161,163 in the bearing substrate 102 so that and follow-up lamp socket in conjunction with the time be connected to external power source.
In addition, at least one luminous row optionally (optionally) comprise that also one places same column to cover the luminous material layer 106 on a plurality of luminescent wafers 104 surfaces, for example constituted by the phosphor particles material, in one embodiment, the luminous material layer continuity covers described luminescent wafer 104 and extends on the madial wall of this reflective structure.In a specific examples, luminous material layer 106 has at least part to can be the phosphor particles that condenses into piece and do not contain sticker, for example can form the Van der Waals force bond by drying mode, in this example, the upper surface and the side of each luminescent wafer 104 of fluorescent material granulosa 106 complete covering same columns.In another example, light emitting module can also comprise an inner covering layer 108 that is covered with above-mentioned luminous material layer 106 with as protective layer, and generally speaking, protective layer is not higher than reflective structure, and remains a planarization layer in the zone of wafer top.
Wherein, the zone that reflective structure 110 is surrounded can be polygon, and for example rectangle or pentagon also can be circle or ellipse.
Because reflective structure 110 can be used to adjust the direction from luminescent wafer 104 emitted lights, for example cover, reflect, collect or focus on, therefore when luminous material layer 106 does not cover the luminescent wafer side fully, still can solve the light leakage phenomena of luminescent wafer 104 sides, and improve the problem of light colour cast.
Reflective structure 110 generally can be the metal material with reflecting surface, perhaps is a ceramic body or plastic cement body, and the surface then can form a reflective material layer, for example selects to electroplate reflectorized materials such as one deck chromium, nickel, silver, zinc fluoride or magnesium sulfide.
Wherein, because reflective structure 110 is arranged on one side with luminescent wafer 104, if therefore select the preferable material of heat dissipation characteristics, for example polishing forms the metal material with reflective surface, then can improve radiating efficiency.
In another embodiment, the material of reflective structure 110 is a metal, for example is stainless steel material; Or materials such as plastic cement or resin, silica gel material for example, also can use other materials instead in addition, therefore PC or PE perspex (Plastic), acryl (Acrylic), glass (Glass), Merlon (Polycarbonate) etc. also can adopt, and then select one deck plated film to form reflecting effect in reflective structure 110 surfaces.
Especially in a specific examples, do not contain glue between the phosphor particles in the fluorescent material granulosa 106, therefore can increase luminous efficiency.Wherein, the number of wafers of luminescent wafer 104 determines according to needs; In this example, this wafer is a light emitting diode.
In addition, in other embodiments, the shape in the zone that reflective structure 110 is surrounded also can be done suitable change according to needs, for example is rectangle, circle or other shape etc.; And the shapes of reflective structure 110 itself also can be done any change, and for example its section shape can be trapezoidal, triangle or arc etc.In other embodiments, the zone that this reflective structure surrounded also can be other arbitrary shape, for example cooperates the space of backlight module to make suitable strip reflective structure.
Interface between reflective structure and bearing substrate
See also the light emitting module shown in Figure 1A.In the present embodiment, reflective structure 110 bottoms are engaged on the bearing substrate 102 by sticker 150, yet because sticker 150 has certain height after solidifying, therefore, the side light that luminescent wafer 104 sides are sent will have the interface that a part can enter 102 of reflective structure 110 and bearing substrates, no matter therefore sticker is to be made of transparent or opaque resin, enters the light at this interface and can't reflect the luminous efficiency of the luminous row that therefore may detract by reflective structure.
In this example, be mixed with many luminous powders at sticker 150 in as transparent resin, as fluorescent material, so enter the side light at the interface of 102 of reflective structure 110 and bearing substrates, can excite the luminous powder in the sticker again and make it luminous and reenter in the luminous row, thereby promote luminous efficiency.
The arrangement of a plurality of luminescent wafers
See also the arrangement mode of the luminous row shown in Figure 1B with a plurality of luminescent wafers, the tradition light emitting module surrounds the packing forms of single wafer based on a reflector, do not adopt the reason of many wafer arrangement modes to be that the side of each luminescent wafer may cover the side light that other luminescent wafer sides are sent separately, thereby the luminous efficiency that detracted.
In order to improve luminous efficiency, the arrangement mode of the luminescent wafer that present embodiment disclosed and reflective structure can be applied to the described light emitting module of previous embodiment, and luminescent wafer is not limited to naked wafer or encapsulated wafer in addition.
Light emitting module comprises a plurality of luminous row 130a, 130b, and each luminous row is centered on by a reflective structure 110.With luminous row 130b is example, and it comprises a plurality of luminescent wafers, and for example luminescent wafer 104a, 104b can be carried on the bearing substrate 102.These reflective structure 110 sidewalls comprise a reflecting surface, in order to the reflection light L that luminescent wafer sent.In luminous row 130b, with regard to the relation between adjacent two luminescent wafers, for example described luminescent wafer 104a, 104b comprise at least one side 124a, 124b separately, and wherein the perspective plane of the side 124a of luminescent wafer such as 104a is in fact not exclusively overlapping with the side 124b of corresponding luminescent wafer 104b.In another embodiment, as the requirement based on higher photoluminescence efficiency, the perspective plane of the side 124a of this luminescent wafer 104a can be not overlapping in fact fully with the side 124b of corresponding luminescent wafer 104b.Be example with the quadrangle wafer in addition,, then can obtain the highest luminous efficiency if 4 sides of adjacent two plates are all arranged in the above described manner.
In addition, described luminescent wafer can be selected to be made of polygonal luminescent wafer, for example be quadrangle or hexagon, and this shape is decided according to the wafer cutting technique.
In addition with regard to the relation of luminescent wafer and reflective structure, in one embodiment, when a luminescent wafer had the equal essence of direct projection light L that side sent the more or do not stopped by other luminescent wafers towards this reflective structure sidewall reflective surface with an inclination angle, high luminous efficiency can obtain healing; When not stopped towards this reflective structure sidewall reflective surface, can obtain the highest luminous efficiency by other luminescent wafers when the equal essence of direct projection light L that all sides sent of a luminescent wafer or with an inclination angle.
Shown in Figure 1B, between two adjacent wafer 104a and wafer 104b, comprise a shortest spacing p, therefore for example be the distance of two plates end points, can adjust the distance of shortest spacing p and make that the essence of side edge surface A2 of the perspective plane A 1 of wafer 104b side edge surface and wafer 104a is not overlapping.In another embodiment, by the mode of a plurality of luminescent wafers is set with suitable spacing, can make the direct projection light essence that each side sent of two-phase vincial faces sheet at least or, and reach higher luminous efficiency with the sidewall of an angle of inclination towards reflective structure.
In another embodiment, luminescent wafer 104a can the diamond array mode be provided with, in other words, for avoiding because of the overlapping too much light that stops of the side projection surface of adjacent two luminescent wafers, when described luminescent wafer is made of polygonal luminescent wafer, because of each luminescent wafer comprises a diagonal by the two-end-point extension, therefore described luminescent wafer can be formed a line in the mode that diagonal is parallel to reflective structure 110 sidewalls.
By the arrangement of above-mentioned luminescent wafer, can effectively guide the luminescent wafer direct projection light that side is sent, essence is towards the sidewall reflects face of reflective structure, and is difficult for being stopped by other luminescent wafers, therefore can effectively promote luminous efficiency.
See also Fig. 1 C, in another embodiment, for further dwindling the required area of bearing substrate 102, or the arranging density of raising luminescent wafer, or strengthen the luminous intensity of specific luminous row, under radiating condition allows, and under the situation that the direct projection light that luminescent wafer sent can not stopped fully by other luminescent wafers, can be chosen in the luminous row that centered on by reflective structure 110 according to mentioned above principle at least two row luminescent wafer 130a, 130b are set.Wherein a number, density, brightness or the colour temperature of this two row luminescent wafer can be identical, and arrangement mode also needn't be side by side or symmetry, dislocation also arrange can, for example shown in the position of luminescent wafer 104e.The arrangement mode of present embodiment has another advantage, that is, because the side of two-phase vincial faces sheet is not exclusively overlapping each other, therefore the heat radiation that produces from the wafer side more can not become the thermal source of adjacent chip, and, more can not produce hot stack because of the formed space of adjacent chip is difficult for forming confined space yet.
Luminescent system with light-emitting diode (LED) module
See also luminescent system schematic diagram shown in Figure 2.In the present embodiment, luminescent system comprises light-emitting diode (LED) module 100, and definition thereunder has a thermal conductive zone (shown in dotted line).The general zone of selecting to concentrate on contiguous light emitting diode of thermal conductive zone is so that the hot-fluid that can in the shortest time light emitting diode be distributed guides out.
Luminescent system also comprises a bearing substrate 200, it is used for carrying light-emitting diode (LED) module 100, in this mandatory declaration be, this bearing substrate can cooperate the lamp body structure in luminescent system such as the lighting apparatus additionally to be provided with, the part that perhaps also can directly belong to light-emitting diode (LED) module 100, for example the bearing substrate 102 with aforementioned light-emitting diode (LED) module 100 replaces.300 of lamp sockets combine in mode separable or dismounting with bearing substrate 200.In order to quicken to derive the hot-fluid of light-emitting diode (LED) module 100, present embodiment is provided with a heating column 500 in addition, and it is below the thermal conductive zone and be folded between bearing substrate 200 and the lamp socket 300.In addition, a plurality of electrodes, general as pair of electrodes 261,263, then in order to electrically connecting above-mentioned light-emitting diode (LED) module 100, and both along a border circular areas or a concentric circular regions round heating column 500, shown in Fig. 6 A to Fig. 6 B and Fig. 9 B.In one embodiment, electrode 261,263 can be between bearing substrate 200 and lamp socket 300, and its function mainly is to electrically connect light-emitting diode (LED) module, for example the positive and negative electrode of LED wafer.Wherein, it should be noted that by the electric current of electrode with by the hot-fluid of heating column and isolate each other that therefore, the heat energy that can avoid electric current to produce increases the burden of heating column.
Secondly, luminescent system can also comprise a plurality of contact mats, and as contact mat 461,463, it also is arranged at heating column 500 peripheries with electrical contact electrode 261,263.Wherein, owing to may rotate the situation of displacement between lamp socket 300 or the bearing substrate 200, therefore in one embodiment, for avoiding when the follow-up assembling, the situation of generating electrodes and contact mat loose contact, contact mat 461,463 also are arranged in above-mentioned border circular areas or the concentric circular regions to remain electrical contact electrode 261,263.
With Fig. 2 is example, and electrode 261,263 is positioned on the bearing substrate 200, and contact mat 461,463 is positioned on the relative position of lamp socket and electrically connects power line 400, and for example, the power line 400 that connects power supply can pass lamp socket 300 to the lamp socket upper surface.500 of heating columns insert respectively in the hollow bulb 210,310 of bearing substrate 200 and lamp socket 300, so that hot-fluid self-luminous diode (led) module 100 is imported lamp socket 300.600 on lampshade combines to cover light-emitting diode (LED) module 100 with bearing substrate 200.
See also Fig. 3, it shows another embodiment of luminescent system of the present invention.Wherein, bearing substrate 220 is one-body molded with heating column 520, and lamp socket 300 comprises that hollow bulb 310 is to hold heating column 520.In addition, when heating column 520 inserts the hollow bulb 310 of lamp socket 300, may cause between heating column 520 and hollow bulb bottom, forming the air film that blocks hot-fluid because of the air that can't extrude fully in the hollow bulb 310.Therefore, one embodiment of the invention are provided with one or more steam vent 330 in the sidewall or the bottom of the hollow bulb 310 of lamp socket 300, with when heating column 520 enters the hollow bulb 310 of lamp socket 300, discharge the air that is positioned at hollow bulb 310.
See also Fig. 4, it shows another embodiment of luminescent system of the present invention.Wherein, lamp socket 320 is one-body molded with heating column 560, and bearing substrate 240 comprises that hollow bulb 540 is to hold heating column 560.In addition, when heating column 560 inserts the hollow bulb 540 of bearing substrate 240, may cause between heating column 560 and hollow bulb 540 bottoms, forming the air film that blocks hot-fluid because of the air that can't extrude fully in the hollow bulb 540, and this air film is sitting at the thermal conductive zone below.Therefore, one embodiment of the invention are provided with one or more steam vent 542 in the sidewall or the bottom of the hollow bulb 540 of bearing substrate 240, or a steam vent 562 is set with when heating column 560 enters the hollow bulb 540 of bearing substrate 240 at the appropriate location such as the central area of heating column 560, discharge the air that is positioned at hollow bulb 540.Usually, above-mentioned hollow bulb 540 comprises that also one protrudes in the extension of bearing substrate 240.
See also Fig. 5, it shows the combination schematic diagram of above-mentioned luminescent system.In one embodiment, framework 620 can be used to coat light-emitting diode (LED) module 100 and bearing substrate 240, and lampshade 600 then is fixed on the framework 620.It should be noted that in previous example electrode 261,263 is positioned on the bearing substrate, and contact mat 461,463 is positioned on the relative position of lamp socket and electrically connects power line 400; Yet the present invention is as limit, and in another embodiment, above-mentioned contact mat 461,463 also can change and is arranged on the bearing substrate 240 to electrically connect light-emitting diode (LED) module 100, and electrode 261,263 is positioned on the lamp socket 320 to electrically connect power line 400.
Continuing sees also Fig. 6 A, Fig. 6 B, and it shows the electrode structure vertical view of luminescent system.Wherein electrode 261,263 is arranged on the circuit substrate 260, generally speaking, circuit substrate 260 can be set directly on bearing substrate 240 or the lamp socket 320, perhaps also can provide this circuit substrate 260 separately, and make it to be folded between bearing substrate 240 and the lamp socket 320, wherein the core of this circuit substrate 260 also passes for heating column 560 for hollow.Secondly, provide conductive structure pattern such as metal level as electrode 261,263, generally as positive and negative electrode, it can be arranged on the circuit substrate 260 along concentric circular regions, and in this example, anodal pattern can be positioned at exterior lateral area, the negative pole pattern then is positioned at medial region, both constitute concentric circles, wherein can be an annular or circular pattern the inner ring person, can be a circular pattern the outer ring person.In Fig. 6 A, can be continuous circle or ring seal pattern as the conductive structure 261,263 of electrode; Yet, shown in Fig. 6 B, conductive structure 261,263 as electrode also can be made up of a plurality of discontinuous pattern at a distance of certain intervals, the length that wherein only needs contact mat 461,463 is greater than above-mentioned interval, even then rotate displacement and make contact mat 461,463 drop on interval region and fail and electrode 261,263 accurate contrapositions when lamp socket 320 and bearing substrate 240, it still can electrically contact with the electrode maintenance.
By above-mentioned electrode structural designs, in an embodiment of invention system, a rotary-locking device can be set, so that lamp socket and bearing substrate are incorporated on the rotary-locking device by rotary lampholder 320 or bearing substrate.As shown in Figure 2, rotary-locking device comprises that the screw thread that is arranged on the heating column 500 is with on the hollow bulb 310 that revolves the hollow bulb 210 that locks in bearing substrate or lamp socket.As shown in Figure 3, rotary-locking device then is included in around the bearing substrate 220 integrated heating columns 500 and screw thread is set to revolve on the hollow bulb 310 that locks in lamp socket.Perhaps as shown in Figure 4, rotary-locking device is included in around the lamp socket 320 integrated heating columns 560 and screw thread is set to revolve on the hollow bulb 540 that locks in bearing substrate 240.Wherein, above-mentioned hollow bulb sidewall comprises that a relative screw thread locks on the heating column to revolve, and in order to increase heat transfer efficiency, in one embodiment, can consider the center of threaded portion, heating column on hollow bulb bottom or sidewall or on every side the threaded portion one or more breach is set with as steam vent, during hollow bulb that so can be below heating column enters thermal conductive zone, discharge the air in the hollow bulb.Be example in addition with Fig. 4, breach 542 can be the sidewall that laterally passes hollow bulb, yet also can select with vertical breach of forming along sidewall thread portion as the steam vent that is communicated with the hollow bulb bottom.
See also Fig. 7, it shows the vertical view of a radiating seat 340.Radiating seat 340 combines with lamp socket in this example, perhaps can be directly as the part of lamp socket, to combine the continuous path that forms heat conduction and heat radiation with heating column 560.In addition in one embodiment, since the contact area of heating column 560 and bearing substrate only account for bearing substrate 1/4~2/3 between, therefore, the hot reflux that can avoid heating column is to light-emitting diode (LED) module, and in another embodiment, heating column is a trapezoidal or pyramidal structure, and selects the thermal contact conductance district than the end face of small size, therefore avoids the effect of hot reflux further to be improved.
See also Fig. 8 A to Fig. 8 B, its demonstration has the luminescent system schematic diagram of reflector.Wherein, lampshade 600 is arranged on the reflector 700, and in Fig. 8 A, it is inboard and round light-emitting diode (LED) module 100 that reflector 700 is positioned at bearing substrate 240; And in Fig. 8 B, reflector 700 is positioned at bearing substrate 240 outsides and is coated.
Continuing sees also Fig. 9 A, Fig. 9 B, and it shows in another embodiment, the electrode structure vertical view of luminescent system.Wherein electrode 281,283 for example is to be formed by two conductive structure patterns, and generally as positive and negative electrode, it can be along a border circular areas setting, and in this example, anodal pattern is made of relative two semicircles or the semi-circular metal level that are isolated from each other with the negative pole pattern.Wherein when swing offset that lamp socket and bearing substrate took place can be controlled within the half-turn, then only need contact mat to be arranged at respectively in this two semicircular area, even then fail and electrode 261,263 accurate contrapositions, it still can keep electrically contacting with above-mentioned electrode.
The above only is preferred embodiment of the present invention; so it is not in order to limit scope of the present invention; any personnel that are familiar with this technology; without departing from the spirit and scope of the present invention; can do further improvement and variation on this basis, so the scope that claims were defined that protection scope of the present invention is worked as with the application is as the criterion.
Being simply described as follows of symbol in the accompanying drawing:
Light-emitting diode (LED) module: 100; Bearing substrate: 102; Electrode: 161,163; Luminescent wafer: 104; Luminous material layer: 106; Reflective structure: 110; Inner covering layer: 108; Lens: 200; Luminous row: 130; Sticker: 150; Luminous row: 130a, 130b, 132a, 132b; Luminescent wafer: 104a~104e; Luminescent wafer side: 124a, 124b; Side direct projection light: L; Shortest spacing: p; Perspective plane: A1; Wafer side edge surface: A2; Framework: 310, inner frame: 310a, outside framework: 310b; Bearing substrate: 200; Lamp socket: 300; Heating column: 500; Electrode: 261,263,281,283; Contact pad: 461,463; Power line: 400; Hollow bulb: 210,310; Lampshade: 600; Bearing substrate: 220; Heating column: 520; Lamp socket: 320; Steam vent: 330; Heating column: 560; Bearing substrate: 240; Hollow bulb: 540; Steam vent: 542; Steam vent: 562; Framework: 620; Circuit substrate: 260; Radiating seat: 340; Reflector: 700.

Claims (19)

1. a luminescent system is characterized in that, comprising:
One light-emitting diode (LED) module has a thermal conductive zone;
One bearing substrate carries this light-emitting diode (LED) module;
One lamp socket combines with this bearing substrate; And
One heating column is below this thermal conductive zone and be folded between this bearing substrate and this lamp socket;
One first electrode and one second electrode electrically connect this light-emitting diode (LED) module, and this first electrode and this second electrode along a border circular areas or a concentric circular regions round this heating column;
Wherein, also comprise one first contact mat and one second contact mat, it is positioned at outside this heating column, and be positioned on this border circular areas or this concentric circular regions, with when this lamp socket or this bearing substrate rotate displacement, remain this first contact mat and this second contact mat and electrically contact this first electrode and this second electrode.
2. luminescent system according to claim 1 is characterized in that, this first electrode and this second electrode are positioned on this bearing substrate, and this first contact mat and this second contact mat are positioned on this lamp socket and electrically connect one first power line and a second source line.
3. luminescent system according to claim 1, it is characterized in that, this first contact mat and this second contact mat are positioned on this bearing substrate electrically connecting this light-emitting diode (LED) module, and this first electrode and this second electrode are positioned on this lamp socket to electrically connect one first power line and a second source line.
4. luminescent system according to claim 1, it is characterized in that, this first electrode and this second electrode are arranged on the circuit substrate, this circuit substrate is positioned at this bearing substrate, this lamp socket or between the two, and this first electrode and this second electrode are made of one first conductive structure and one second conductive structure, and are arranged on this circuit substrate along this border circular areas or this concentric circular regions.
5. luminescent system according to claim 4 is characterized in that, also comprises a rotary-locking device, and this lamp socket and this bearing substrate are by rotating this lamp socket or this bearing substrate is incorporated on this rotary-locking device.
6. luminescent system according to claim 4 is characterized in that, this first conductive structure and this second conductive structure be the semicircle or semi-circular pattern for being isolated from each other on this border circular areas.
7. luminescent system according to claim 4 is characterized in that, this first conductive structure and this second conductive structure be circle or the circular pattern for being isolated from each other on this concentric circular regions.
8. luminescent system according to claim 4 is characterized in that, this first conductive structure or this second conductive structure are made of a plurality of discontinuous pattern, and the interval of wantonly two adjacent discontinuous pattern is less than the length of this contact mat.
9. luminescent system according to claim 1 is characterized in that, this heating column and this bearing substrate are one-body molded, and this lamp socket comprises that a hollow bulb is to hold this heating column.
10. luminescent system according to claim 9 is characterized in that the bottom of this hollow bulb comprises a steam vent, with when this heating column enters the hollow bulb of this lamp socket, discharges the air that is positioned at this hollow bulb.
11. luminescent system according to claim 1 is characterized in that, this bearing substrate comprises that a hollow bulb is to hold this heating column.
12. luminescent system according to claim 11 is characterized in that, the sidewall of this hollow bulb or this heating column also comprise a steam vent, during with the hollow bulb below this heating column enters this thermal conductive zone, discharge the air that is positioned at this hollow bulb.
13. luminescent system according to claim 12 is characterized in that, this heating column and this lamp socket are one-body molded.
14. luminescent system according to claim 1 is characterized in that, the contact area of this heating column and this bearing substrate accounts for 1/4th to 2/3rds of this bearing substrate.
15. luminescent system according to claim 5 is characterized in that, this rotary-locking device comprises that the screw thread that is arranged on this heating column locks on this bearing substrate or this lamp socket to revolve.
16. luminescent system according to claim 15, it is characterized in that, this bearing substrate or this lamp socket comprise that a hollow bulb is to hold this heating column, and the sidewall of this hollow bulb comprises that a relative screw thread is to revolve this heating column of lock, wherein the screw thread of the sidewall of this hollow bulb or this heating column is provided with a breach with as steam vent, during with the hollow bulb below this heating column enters this thermal conductive zone, discharge the air in this hollow bulb.
17. luminescent system according to claim 1 is characterized in that, this bearing substrate is the part of this light-emitting diode (LED) module.
18. luminescent system according to claim 1 is characterized in that, this heating column is a ladder type or pyramidal structure, and has end face than small size towards this bearing substrate.
19. a luminescent system is characterized in that, comprising:
One light-emitting diode (LED) module has a thermal conductive zone;
One bearing substrate carries this light-emitting diode (LED) module;
One lamp socket combines with this bearing substrate; And
One heating column is below this thermal conductive zone and be folded between this bearing substrate and this lamp socket;
One first electrode and one second electrode electrically connect this light-emitting diode (LED) module, and this first electrode and this second electrode along a border circular areas or a concentric circular regions round this heating column;
Wherein this heating column and this bearing substrate are one-body molded, and this lamp socket comprises that a hollow bulb is to hold this heating column; And the bottom of this hollow bulb comprises a steam vent, with when this heating column enters the hollow bulb of this lamp socket, discharges the air that is positioned at this hollow bulb.
CN2008101275152A 2008-06-25 2008-06-25 Illumination system Expired - Fee Related CN101319760B (en)

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CN101319760B (en) * 2008-06-25 2010-12-15 吴裕朝 Illumination system
CN101865368B (en) * 2009-04-16 2013-06-05 富准精密工业(深圳)有限公司 LED illumination device
CN101691912A (en) * 2009-09-14 2010-04-07 重庆耀辉电工电器有限责任公司 Three-dimensional luminous LED light source and packaging method
AT509626B1 (en) * 2010-02-15 2012-04-15 Hierzer Andreas MODULAR LED LIGHTING SYSTEM WITH PARTIAL LIGHTING THICKNESS ADAPTATION
KR20120068626A (en) * 2010-12-17 2012-06-27 삼성엘이디 주식회사 Led light source module and display device having the same
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CN107345652B (en) * 2017-07-06 2019-09-13 江门市江海区昊锐光电科技有限公司 The laying method of POV rotation imaging device lamp bead
CN107359154B (en) * 2017-08-10 2023-09-08 中国科学院福建物质结构研究所 Remote fluorescent LED device and preparation method and application thereof
US10784423B2 (en) * 2017-11-05 2020-09-22 Genesis Photonics Inc. Light emitting device
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CN201066102Y (en) * 2007-07-10 2008-05-28 东莞亿润电子制品有限公司 Large power LED lamp support
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