CN103225756A - Liquid-state heat-radiation type medium-sized LED bulb - Google Patents

Liquid-state heat-radiation type medium-sized LED bulb Download PDF

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Publication number
CN103225756A
CN103225756A CN2013101401512A CN201310140151A CN103225756A CN 103225756 A CN103225756 A CN 103225756A CN 2013101401512 A CN2013101401512 A CN 2013101401512A CN 201310140151 A CN201310140151 A CN 201310140151A CN 103225756 A CN103225756 A CN 103225756A
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China
Prior art keywords
heat conduction
conduction support
lens
bulb
ray machine
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CN2013101401512A
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Chinese (zh)
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CN103225756B (en
Inventor
张继强
张哲源
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Guizhou Guangpusen Photoelectric Co Ltd
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Guizhou Guangpusen Photoelectric Co Ltd
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Priority to CN201310140151.2A priority Critical patent/CN103225756B/en
Publication of CN103225756A publication Critical patent/CN103225756A/en
Priority claimed from JP2016507992A external-priority patent/JP6387395B2/en
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Publication of CN103225756B publication Critical patent/CN103225756B/en
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Abstract

The invention discloses a liquid-state heat-radiation type medium-sized LED bulb which comprises an LED bulb light machine core member and an LED bulb peripheral member, wherein the LED bulb light machine core member comprises a heat-conduction bracket (3); an electric connector (11) penetrates through the heat-conduction bracket (3) and is inserted into a central hole in a light machine module (4) in an aligned way and welded with a contact pin (17) of the electric connector (11) through a flexible switching circuit (44); an inner cover (61) is arranged outside the light machine module (4) and bonded in an embedded groove (61.3) of the heat-conduction bracket (3); the heat-conduction bracket (3) and the light machine module (4) form a sealed space; the sealed space is filled with transparent insulated heat-conduction liquid; the light machine module (4) is suspended in the transparent insulated heat-conduction liquid; and a reflection layer (31) is arranged on the surface of the part of the heat-conduction bracket (3) covered with the inner cover (61).

Description

A kind of medium-sized LED bulb of liquid radiating mode
Technical field
The present invention relates to a kind of medium-sized LED bulb of liquid radiating mode, belong to the LED lighting technical field.
Background technology
Application number be 201210253590.X, 201210253702.1,201210253639.1,201210253844.8, Chinese patent application such as 201210255564.0 disclose a plurality of organization plans, can be general and the LED bulb that exchanges, on address the LED bulb that relevant patent is described, be to adopt LED as illuminator, can independently use, interchangeable and change, the light-source structure that can not be split with the non-destructive means.These technology are the Lighting Industry framework at center for setting up with the LED bulb, and the basic concept that makes LED bulb (lighting source), light fixture, illumination control become the end product of independent production, application is laid a good foundation.Further creation idea advanced person, easier standardized LED bulb structure parts are of far-reaching significance for large-scale promotion LED illumination, and the structure of LED bulb core component especially is as the ray machine module etc.
Summary of the invention
The objective of the invention is to; based on above-mentioned bulb scheme; particularly on the specification basis, provide a kind of medium-sized LED bulb of liquid radiating mode, it is the LED bulb that a kind of universal strong, specification are few, be convenient to the high efficiency and heat radiation mode of standardization and scale making.
Technical scheme of the present invention: a kind of medium-sized LED bulb of liquid radiating mode is characterized in: comprise LED bulb ray machine core component and LED bulb peripheral member.Described LED bulb core component comprises the heat conduction support, and electric connector passes the heat conduction support, and the centre bore on the electric connector contraposition insertion ray machine module, and welds together by the contact pin of flexible built-up circuit and electric connector; And the ray machine template is provided with inner cover outward, inner cover is bonded in the caulking groove of heat conduction support, heat conduction support and ray machine module form seal cavity, and be full of the transparent insulation conductive fluid in the sealing space, the ray machine module is suspended from the transparent insulation conductive fluid, and the heat conduction support is provided with the reflecting layer by the surface that inner cover covers part, and the last emergent light of ray machine module can pass through the downward and offside reflection in reflecting layer, make the bright dipping of LED penetrate inner cover, improve the luminous efficiency of LED; Described inner cover is provided with relief hole, covers on the relief hole and unloads press mold, and the transparent insulation conductive fluid is injected by pressure relief vent; Temperature anomaly in inner cover, liquid can unload press mold and flows out from pressure relief vent from breaking through, and the accident that prevents enlarges.
In the medium-sized LED bulb of above-mentioned liquid radiating mode, described ray machine module comprises the ray machine template; Described ray machine template is for doing the slim epitaxial wafer that the transition epitaxial loayer forms on existing LED substrate, epitaxial wafer enters reacting furnace and divides layer growth to form LED wafer and interlock circuit, after finishing, the growth of LED wafer do not cut apart, and solid crystalline substance (carries out solid crystalline substance to elements such as wafer scale driving power chips, if any.Also can form by direct growth in reacting furnace) go up relevant components and parts, beat gold thread again and connect LED wafer and relevant components and parts (if necessary).LED wafer and interlock circuit have formed the relevant components and parts of LED with relevant components and parts, and epitaxial wafer and ray machine template are bonding, and described epitaxial wafer is identical with the profile of ray machine template, and the both sides of ray machine template and epitaxial wafer are equipped with breach; Perhaps directly on described ray machine template, do the transition epitaxial loayer, enter reacting furnace and grow thereon and form LED wafer and interlock circuit, and brilliantly (elements such as wafer scale driving power chip are carried out solid crystalline substance, if any admittedly.Also can form by direct growth in reacting furnace) go up relevant components and parts, beat gold thread again and connect LED wafer and relevant components and parts (if necessary).Described LED wafer, interlock circuit and relevant components and parts have formed the relevant components and parts of LED; Perhaps, described ray machine template is the transparent material substrate, the existing wafer of LED wafer and interlock circuit and relevant components and parts utilization and existing chimeric printing technology and solid crystalline substance, beats technology such as gold thread and realizes on the ray machine template.Described LED wafer, interlock circuit and relevant components and parts have formed the relevant components and parts of LED; Use transparent sealing and/or transparent cover plate to cover on the relevant components and parts of described LED, only expose the pass connected bonding pads on the relevant components and parts of LED.
In the medium-sized LED bulb of above-mentioned liquid radiating mode, the peripheral member structure of bulb is divided five kinds.
First kind: 6 uniform flange holes are set as the bulb fixing hole on the described heat conduction support, fix bulb by the bulb hold-down screw, the riveted joint of heat conduction support below has the support lining, and heat conduction support and support lining form bulb and support basic structure; Heat conduction support top is provided with heat conductive pad; Support lining below is bonding with lens, the heat conduction support serve as a contrast with support and lens between constituted a seal cavity (the sealing space is last bottom surface, is side with the support lining with heat conduction support and lens), be provided with ray machine template and inner cover in this confined space; Electric connector passes the heat conduction support, and is fixed on the heat conduction support by stiff end, and electric connector connects the ray machine module by flexible built-up circuit; The ray machine module is covered with inner cover; Support lining outer setting lens snap ring blocks lens, hold-down screw can be set the lens snap ring is fixed on the support lining, prevents the lens accidental.
Second kind: also be provided with the lens snap ring on the described heat conduction support, the lens snap ring coats the edge of heat conduction support, 6 uniform flange holes are set as the bulb fixing hole on the edge of heat conduction support, corresponding bulb fixing hole also is set on the lens snap ring, be provided with the bulb hold-down screw in the bulb fixing hole and fix bulb, and heat conduction support below is provided with interior snap ring (being connected on the heat conduction support by bonding and hold-down screw), and lens snap ring, heat conduction support and interior snap ring form bulb and support basic structure; On the heat conduction support heat conductive pad is set; Lens are connected by bonding and interior snap ring, and the lens snap ring blocks lens; Constitute seal cavity (be last bottom surface, be side with interior snap ring with heat conduction support and lens) between heat conduction support, interior snap ring and the lens, inner cover and ray machine module etc. are fixing wherein; Electric connector) pass the heat conduction support, and be fixed on the heat conduction support, and electric connector connects the ray machine module by flexible built-up circuit by stiff end;
The third: 6 uniform flange holes are set as the bulb fixing hole on the described heat conduction support, fix bulb by the bulb hold-down screw, interior snap ring is connected heat conduction support below by bonding and hold-down screw, forms bulb and supports basic structure; On the heat conduction support heat conductive pad is set; Lens are connected by bonding and interior snap ring, constitute seal cavity (be last bottom surface, be side with interior snap ring with heat conduction support and lens) between heat conduction support, interior snap ring and the lens, and inner cover and ray machine module are fixed wherein; Electric connector passes the heat conduction support, and is fixed on the heat conduction support by stiff end, and electric connector connects the ray machine module by flexible built-up circuit; Interior snap ring outer setting lens snap ring blocks lens, hold-down screw can be set the lens snap ring is fixed on the interior snap ring, prevents the lens accidental;
The 4th kind: described heat conduction support is by on the snap ring in being adhesively fixed on, and lens are connected by bonding and interior snap ring, forms bulb and supports basic structure.On the heat conduction support heat conductive pad is set; Constitute seal cavity (be last bottom surface, be side with interior snap ring with heat conduction support and lens) between heat conduction support and interior snap ring and lens, inner cover and ray machine module are fixing wherein; Electric connector) pass the heat conduction support, and be fixed on the heat conduction support, and electric connector connects the ray machine module by flexible built-up circuit by stiff end; Interior snap ring outer setting lens snap ring blocks lens, and by bonding the lens snap ring is connected on the interior snap ring, a uniform flange hole is set as the bulb fixing hole on the lens snap ring, fixes bulb by the bulb hold-down screw.
The 5th kind: described heat conduction support forms bulb and supports basic structure by being adhesively fixed in the lens.On the heat conduction support heat conductive pad is set; Constitute seal cavity between heat conduction support and lens, inner cover and ray machine module are fixing wherein; Electric connector passes the heat conduction support, and is fixed on the heat conduction support by stiff end, and electric connector connects the ray machine module by flexible built-up circuit; Lens outer setting lens snap ring blocks lens, and by bonding the lens snap ring is connected on the lens, 6 uniform flange holes is set as the bulb fixing hole on the lens snap ring, fixes bulb by the bulb hold-down screw.
In the medium-sized LED bulb of aforesaid liquid radiating mode, transparent sealing of described use and/or transparent cover plate to the method that the relevant components and parts of LED cover are respectively: the interelement at the relevant components and parts of LED is filled a little transparent adhesive tape levelling, make and form transparent adhesive tape between led chip surface and the transparent cover plate as few as possible, adopt the profile transparent cover plate identical to add a cover on it again with the ray machine template, transparent cover plate is provided with the open area, is used for exposed pad; Perhaps, interelement at the relevant components and parts of LED is filled a little transparent adhesive tape levelling, adopt profile to add a cover on it again less than the transparent cover plate of ray machine template, around transparent cover plate, coat transparent sealing then, the profile of transparent sealing is flushed with the ray machine template, transparent cover plate is provided with the open area, is used for exposed pad; Perhaps, directly coat transparent sealing on the relevant components and parts of LED, the profile of transparent sealing is flushed with the ray machine template, transparent adhesive tape is provided with the open area, is used for exposed pad.
In the medium-sized LED bulb of aforesaid liquid radiating mode, described ray machine template is a circular slab, and two of circular slab bilateral symmetry ground excision circular slab place circle are arc, form two symmetric windows; Also be provided with the circular hole of band alignment pin on the described ray machine template, circular hole is used for being connected with the electric connector contraposition; The relevant components and parts of described LED are arranged at place, circular hole place by flexible built-up circuit with pad, described electric connector insert behind the circular hole with flexible built-up circuit on pad weld mutually.
In the medium-sized LED bulb of aforesaid liquid radiating mode, described circular slab place diameter of a circled G Be 18mm or 25mm; When circular slab place diameter of a circled G During for 18mm, two cut arc chord lengths are 8.2mm, and the distance between two strings is 16mm; When circular slab place diameter of a circled G During for 25mm, two cut arc chord lengths are 9.8mm, and the distance between two strings is 23mm, and 2mm place, the circular slab center of circle is being departed from its center of circle, and the circular hole center equates with the distance of two breach.
In the medium-sized LED bulb of aforesaid liquid radiating mode, the also available outer cover of described lens substitutes, when bulb adopts outer cover, and the outside bonding outer cover that is provided with of described inner cover or lens snap ring; Or directly adopt the outer cover of lens type interface to substitute lens.
In the medium-sized LED bulb of aforesaid liquid radiating mode, also be coated with fluorescent material on the described transparent cover plate and add stopping off; Perhaps described transparent cover plate is formed in mould transparent phosphor.Transparent phosphor is that fluorescent material and transparent material are that 5 ~ 30:100 makes by weight.
In the medium-sized LED bulb of aforesaid liquid radiating mode, the inner cover of described bulb is a concave structure, and female parts can outwards give prominence to, and increases volume and holds the volume that the transparent insulation conductive fluid expands, and avoids the transparent insulation conductive fluid to expand and makes the inner cover seal failure; Inner cover surface applied fluorescent material also adds stopping off or inner cover is formed in mould transparent phosphor.Transparent phosphor is that fluorescent material and transparent material are that 5 ~ 30:100 makes by weight.
Compared with prior art, existing LED Lighting Industry has continued the thoughtcast of traditional semiconductor industry, could satisfy the requirement of very strange integral LED illuminating lamp with chip form, and then chip becomes the center of LED Lighting Industry, extend upward related industries such as having formed chip base material and epitaxial wafer, formed related industries such as chip encapsulation, driving power, light fixture manufacturing, accessory downwards, but from Analysis of Industrial Structure, such industrial structure drawback is more.At first: based on chip growth with cut apart, the base material of chip has been proposed high requirement, had only at present just can meet the demands for number different materials seldom to the high signle crystal alumina of manufacturing technique requirent etc.; Secondly: it is fragmentary and tediously long, time-consuming that processes such as the light fixture of packing into, driving power, control be supporting are grown, cut, sieve, are encapsulated into to substrate and epitaxial wafer, chip; Its three: the general and interchangeability of existing integral LED illuminating lamp is relatively poor, and user object is fragmentary and disperse in the process of producing productization, and the intensification degree is extremely low.And the present invention is based on aforementioned lamps foam method case; and what bulb had covered the majority of illumination environment uses the lamp requirement; technical scheme of the present invention falls sharply the ray machine module of medium-sized LED bulb and focuses on 2 specific products; because the specification total amount of ray machine module is few, has so just possessed and LED middle and upper reaches enterprise will research and develop and center of production is adjusted to the condition of size of the organizationization and the production that intensifies on the ray machine module of limited specification kind.LED wafer of the present invention and interlock circuit are directly to grow to obtain on epitaxial wafer, be that led chip processing enterprise only needs behind direct growth LED wafer and interlock circuit on epitaxial wafer or the ray machine template, need not only needs simple welding and pastes can directly obtain being used for core component---the ray machine module that the LED bulb is produced through technologies such as cuttings again, can obtain the LED bulb by simple assembling again.LED illuminator centre-of gravity shift solves the general and interchangeability problem that current LED industry exists easily on bulb rather than chip, also external patent barrier has been eliminated in reduction and part in essence, for China's LED Lighting Industry provides fine development space; Be that fitting structure in the industry framework at center is simple in addition with the bulb, with low content of technology, traditional light fixture manufacturer just can transfer to produce the LED light fixture at once, finally keeps the light fixture market status under the traditional lighting mode, and this has positive effect to reducing the LED illumination cost.On other concrete technique effects, the present invention is by being sealed in the relevant components and parts of LED between transparent ray machine template and the transparent cover plate, the adjacent transparent cover plate of led chip, transparent sealing less and fluorescent material is located at that transparent cover plate is outer can be away from led chip, fluorescent material and transparent adhesive tape are difficult for wearing out like this, stablize, efficiently move significant to guaranteeing the LED bulb; The following emergent light of chip can see through transparent ray machine template in addition, and the reflecting surface reflection by the LED bulb appears the bulb inner cover again, referring to Figure 10 and Figure 12, obtains the bigger lifting of chip light emitting efficient and reduces the junction temperature of chip good result; And the breach of both sides designs on the ray machine template, it can well be worked in the liquid atmosphere, after the ray machine module is installed in the inner cover of LED bulb band transparent insulation conductive fluid, the transparent insulation conductive fluid of being heated can be passed breach and be finished unimpeded flowing so that carry out thermal cycle, so just make ray machine module of the present invention when work, can have extremely excellent radiating effect, thereby improved the luminous efficiency of LED.
Description of drawings
Figure 1A is the structural representation of the embodiment of the invention 1;
Figure 1B is the structural representation of the embodiment of the invention 2;
Fig. 1 C is the structural representation of the embodiment of the invention 3;
Fig. 1 D is the structural representation of the embodiment of the invention 4;
Fig. 1 E is the structural representation of the embodiment of the invention 5;
Fig. 2 is the profile schematic diagram that the present invention uses the ray machine module of the profile transparent cover plate identical with the ray machine template;
Fig. 3 is the broken away view of ray machine module shown in Figure 2;
Fig. 4 is the ray machine module outline drawing that the present invention uses transparent sealing;
Fig. 5 is that the present invention uses the ray machine modular structure schematic diagram of profile less than the transparent cover plate of ray machine template;
Fig. 6 is the broken away view of ray machine module shown in Figure 5;
Fig. 7 is a ray machine template perforate schematic diagram of the present invention;
Fig. 8 is the scheme of installation of ray machine template of the present invention and connector;
Fig. 9 is that the present invention adopts outer bulb envelope to replace the structural representation of lens arrangement;
Figure 10 is a thermal cycle schematic diagram of the present invention;
Figure 11 is the inner cover partial enlarged drawing;
Figure 12 is based on the principle of luminosity schematic diagram of GaN base LED of the present invention.
Being labeled as in the accompanying drawing: 2-heat conductive pad, 3-heat conduction support, 4-ray machine module, 5-support lining, 7-lens, the outer cover of 7.1-lens type interface, 8-lens snap ring, 9-outer cover, 11-electric connector, the 12-hold-down screw, 14-snap ring hold-down screw, 15-stiff end, the 16-waterproof apron, 17-contact pin, 31-reflector layer, the 41-LED components and parts of being correlated with, 42-transparent cover plate, 43-ray machine template, the flexible built-up circuit of 44-, the transparent sealing of 45-, 46-chip substrate, the 61-inner cover, the 61.1-pressure relief vent, 61.2 – unload press mold, 61.3-caulking groove, snap ring in the 81-, 105-bulb hold-down screw, 431-alignment pin.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples, but not as the foundation to the present invention's restriction.
Embodiment 1.A kind of medium-sized LED bulb of liquid radiating mode, shown in Figure 1A, comprise heat conduction support 3, electric connector 11 passes heat conduction support 3, and electric connector 11 contrapositions insert the centre bore on the ray machine module 4, and weld together by the contact pin 17 of flexible built-up circuit 44 with electric connector 11; And the ray machine template 4 outer inner covers 61 that are provided with, inner cover 61 is bonded in the caulking groove 61.3 of heat conduction support 3, heat conduction support 3 forms seal cavity with ray machine module 4, and be full of the transparent insulation conductive fluid in the sealing space, ray machine module 4 is suspended from the transparent insulation conductive fluid, and heat conduction support 3 is provided with reflecting layer 31 by the surface that inner cover 61 covers part; Described inner cover 61 is provided with relief hole 61.1, covers on the relief hole 61.1 and unloads press mold 61.2, and the transparent insulation conductive fluid is injected by pressure relief vent 61.1; Temperature anomaly in inner cover 61, liquid can unload press mold 61.2 from pressure relief vent 61.1 outflows from breaking through, and the accident that prevents enlarges.6 uniform flange holes are set as the bulb fixing hole on the described heat conduction support 3, fix bulb by bulb hold-down screw 105, the riveted joint of heat conduction support 3 belows has support lining 5, and heat conduction support 3 and support lining 5 form bulb and support basic structure; Heat conduction support 3 tops are provided with heat conductive pad 2; Support serves as a contrast 5 belows and lens 7 are bonding, constituted between heat conduction support 3 and support lining 5 and the lens 7 seal cavity (the sealing space with heat conduction support 3 and lens 7 be last bottom surface, to serve as a contrast 5 with support be side), be provided with ray machine template 4 and inner cover 61 in this confined space; Electric connector 11 passes heat conduction support 3, and is fixed on the heat conduction support 3 by stiff end 15, and electric connector 11 connects ray machine module 4 by flexible built-up circuit 44; Ray machine module 4 is covered with inner cover 61; Support serves as a contrast 5 outer setting lens snap rings 8, blocks lens 7, hold-down screw 14 can be set lens snap ring 8 is fixed on the support lining 5, prevents the lens accidental.
Embodiment 2.A kind of medium-sized LED bulb of liquid radiating mode, shown in Figure 1B, comprise heat conduction support 3, electric connector 11 passes heat conduction support 3, and electric connector 11 contrapositions insert the centre bore on the ray machine module 4, and weld together by the contact pin 17 of flexible built-up circuit 44 with electric connector 11; And the ray machine template 4 outer inner covers 61 that are provided with, inner cover 61 is bonded in the caulking groove 61.3 of heat conduction support 3, heat conduction support 3 forms seal cavity with ray machine module 4, and be full of the transparent insulation conductive fluid in the sealing space, ray machine module 4 is suspended from the transparent insulation conductive fluid, and heat conduction support 3 is provided with reflecting layer 31 by the surface that inner cover 61 covers part; Described inner cover 61 is provided with relief hole 61.1, covers on the relief hole 61.1 and unloads press mold 61.2, and the transparent insulation conductive fluid is injected by pressure relief vent 61.1; Temperature anomaly in inner cover 61, liquid can unload press mold 61.2 from pressure relief vent 61.1 outflows from breaking through, and the accident that prevents enlarges.Also be provided with lens snap ring 8 on the described heat conduction support 3, lens snap ring 8 coats the edge of heat conduction support 3,6 uniform flange holes are set as the bulb fixing hole on the edge of heat conduction support 3, corresponding bulb fixing hole also is set on the lens snap ring 8, be provided with bulb hold-down screw 105 in the bulb fixing hole and fix bulb, and snap ring 81(was connected on the heat conduction support 3 by bonding and hold-down screw 12 in heat conduction support 3 belows were provided with), lens snap ring 8, heat conduction support 3 and interior snap ring 81 form bulb and support basic structure; Heat conductive pad 2 is set on the heat conduction support 3; Lens 7 are connected by bonding and interior snap ring 81, constitute between heat conduction support 3, interior snap ring 81 and the lens 7 seal cavity (with heat conduction support 3 and lens 7 be last bottom surface, with interior snap ring 5 sides), inner cover 61 and ray machine module 4 etc. are fixed wherein; Electric connector 11 passes heat conduction support 3, and is fixed on the heat conduction support 3 by stiff end 15, and electric connector 11 connects ray machine module 4 by flexible built-up circuit 44.
Embodiment 3.A kind of medium-sized LED bulb of liquid radiating mode, shown in Fig. 1 C, comprise heat conduction support 3, electric connector 11 passes heat conduction support 3, and electric connector 11 contrapositions insert the centre bore on the ray machine module 4, and weld together by the contact pin 17 of flexible built-up circuit 44 with electric connector 11; And the ray machine template 4 outer inner covers 61 that are provided with, inner cover 61 is bonded in the caulking groove 61.3 of heat conduction support 3, heat conduction support 3 forms seal cavity with ray machine module 4, and be full of the transparent insulation conductive fluid in the sealing space, ray machine module 4 is suspended from the transparent insulation conductive fluid, and heat conduction support 3 is provided with reflecting layer 31 by the surface that inner cover 61 covers part; Described inner cover 61 is provided with relief hole 61.1, covers on the relief hole 61.1 and unloads press mold 61.2, and the transparent insulation conductive fluid is injected by pressure relief vent 61.1; Temperature anomaly in inner cover 61, liquid can unload press mold 61.2 from pressure relief vent 61.1 outflows from breaking through, and the accident that prevents enlarges.6 uniform flange holes are set as the bulb fixing hole on the described heat conduction support 3, fix bulb by bulb hold-down screw 105, interior snap ring 81 is connected heat conduction support 3 belows by bonding and hold-down screw 12, forms bulb and supports basic structure; Heat conductive pad 2 is set on the heat conduction support 3; Lens 7 are connected by bonding and interior snap ring 81, constitute seal cavity (be last bottom surface, be side with interior snap ring 5 with heat conduction support 3 and lens 7) between heat conduction support 3, interior snap ring 81 and the lens 7, and inner cover 61 and ray machine module 4 are fixed wherein; Electric connector 11 passes heat conduction support 3, and is fixed on the heat conduction support 3 by stiff end 15, and electric connector 11 connects ray machine module 4 by flexible built-up circuit 44.
Embodiment 4.A kind of medium-sized LED bulb of liquid radiating mode, shown in Fig. 1 D, comprise heat conduction support 3, electric connector 11 passes heat conduction support 3, and electric connector 11 contrapositions insert the centre bore on the ray machine module 4, and weld together by the contact pin 17 of flexible built-up circuit 44 with electric connector 11; And the ray machine template 4 outer inner covers 61 that are provided with, inner cover 61 is bonded in the caulking groove 61.3 of heat conduction support 3, heat conduction support 3 forms seal cavity with ray machine module 4, and be full of the transparent insulation conductive fluid in the sealing space, ray machine module 4 is suspended from the transparent insulation conductive fluid, and heat conduction support 3 is provided with reflecting layer 31 by the surface that inner cover 61 covers part; Described inner cover 61 is provided with relief hole 61.1, covers on the relief hole 61.1 and unloads press mold 61.2, and the transparent insulation conductive fluid is injected by pressure relief vent 61.1; Temperature anomaly in inner cover 61, liquid can unload press mold 61.2 from pressure relief vent 61.1 outflows from breaking through, and the accident that prevents enlarges.Described heat conduction support 3 is by on the snap ring 81 in being adhesively fixed on, and lens 7 are connected by bonding and interior snap ring 81, forms bulb and supports basic structure.Heat conductive pad 2 is set on the heat conduction support 3; Constitute seal cavity (be last bottom surface, be side with interior snap ring 5 with heat conduction support 3 and lens 7) between heat conduction support 3 and interior snap ring 81 and lens 7, inner cover 61 and ray machine module 4 are fixing wherein; Electric connector 11 passes heat conduction support 3, and is fixed on the heat conduction support 3 by stiff end 15, and electric connector 11 connects ray machine module 4 by flexible built-up circuit 44; Interior snap ring 81 outer setting lens snap rings 8 block lens 7, and by bonding lens snap ring 8 are connected on the interior snap ring 81,6 uniform flange holes are set as the bulb fixing hole on the lens snap ring 8, fix bulb by bulb hold-down screw 105.
Embodiment 5.A kind of medium-sized LED bulb of liquid radiating mode, shown in Fig. 1 E, comprise heat conduction support 3, electric connector 11 passes heat conduction support 3, and electric connector 11 contrapositions insert the centre bore on the ray machine module 4, and weld together by the contact pin 17 of flexible built-up circuit 44 with electric connector 11; And the ray machine template 4 outer inner covers 61 that are provided with, inner cover 61 is bonded in the caulking groove 61.3 of heat conduction support 3, heat conduction support 3 forms seal cavity with ray machine module 4, and be full of the transparent insulation conductive fluid in the sealing space, ray machine module 4 is suspended from the transparent insulation conductive fluid, and heat conduction support 3 is provided with reflecting layer 31 by the surface that inner cover 61 covers part; Described inner cover 61 is provided with relief hole 61.1, covers on the relief hole 61.1 and unloads press mold 61.2, and the transparent insulation conductive fluid is injected by pressure relief vent 61.1; Temperature anomaly in inner cover 61, liquid can unload press mold 61.2 from pressure relief vent 61.1 outflows from breaking through, and the accident that prevents enlarges.Described heat conduction support 3 forms bulb and supports basic structure by being adhesively fixed in the lens 7.Heat conductive pad 2 is set on the heat conduction support 3; Constitute seal cavity between heat conduction support 3 and lens 7, inner cover 61 and ray machine module 4 are fixed wherein; Electric connector 11 passes heat conduction support 3, and is fixed on the heat conduction support 3 by stiff end 15, and electric connector 11 connects ray machine module 4 by flexible built-up circuit 44; Lens 7 outer setting lens snap rings 8 block lens 7, and by bonding lens snap ring 8 are connected on the lens 7,6 uniform flange holes are set as the bulb fixing hole on the lens snap ring 8, fix bulb by bulb hold-down screw 105.
Ray machine module 4 comprises ray machine template 43 described in the embodiment 1,2,3,4 and 5, described ray machine template 43 is for doing the slim epitaxial wafer 46 that the transition epitaxial loayer forms on existing LED substrate, epitaxial wafer 46 enters reacting furnace and divides layer growth to form LED wafer and interlock circuit, after finishing, the growth of LED wafer do not cut apart, and the solid brilliant relevant components and parts of, beat gold thread again and connect LED wafer and relevant components and parts.LED wafer and interlock circuit have formed the relevant components and parts 41 of LED with relevant components and parts, and epitaxial wafer 46 is bonding with ray machine template 43, and described epitaxial wafer 46 is identical with the profile of ray machine template 43, and the both sides of ray machine template 43 and epitaxial wafer 46 are equipped with breach; Perhaps directly on ray machine template 43, do the transition epitaxial loayer, enter reacting furnace and grow thereon and form LED wafer and interlock circuit, and the solid brilliant relevant components and parts of, beat gold thread again and connect LED wafer and relevant components and parts.Described LED wafer, interlock circuit and relevant components and parts have formed the relevant components and parts 41 of LED; Perhaps, ray machine template 43 is the transparent material substrate, LED wafer and interlock circuit and relevant components and parts utilization existing wafer, chimeric printing technology and solid crystalline substance, beats technology such as gold thread and realizes on ray machine template 43.Described LED wafer, interlock circuit and relevant components and parts have formed the relevant components and parts 41 of LED; The relevant components and parts 41 of the described LED of going up use transparent sealing 45 and/or 42 pairs of transparent cover plates to cover, and only expose the pass connected bonding pads on the relevant components and parts 41 of LED; Transparent sealing 45 of described use and/or transparent cover plate 42 transparent cover plates have the method that the relevant components and parts 41 of LED cover: as shown in Figures 2 and 3, interelement at the relevant components and parts 41 of LED is filled a little transparent adhesive tape levelling, make and form transparent adhesive tape between led chip surface and the transparent cover plate as few as possible, adopt profile and ray machine template 43 identical transparent cover plates 42 to add a cover on it again, transparent cover plate 42 is provided with the open area, is used for exposed pad; Perhaps, as illustrated in Figures 5 and 6, interelement at the relevant components and parts 41 of LED is filled a little transparent adhesive tape levelling, make and form transparent adhesive tape between led chip surface and the transparent cover plate as few as possible, adopt profile to add a cover on it again, around transparent cover plate 42, coat transparent sealing 45 then, the profile of transparent sealing 45 is flushed with ray machine template 43 less than the transparent cover plate 42 of ray machine template 43, transparent cover plate 42 is provided with the open area, is used for exposed pad; Perhaps, as shown in Figure 4, directly coat transparent sealing 45 on the relevant components and parts 41 of LED, the profile of transparent sealing 45 is flushed with ray machine template 43, transparent adhesive tape 45 is provided with the open area, is used for exposed pad.
The also available outer cover 9 of described lens 7 substitutes, when bulb adopts outer cover 9, and described inner cover 61 or the lens snap ring 8 outside bonding outer covers 9 that are provided with, as shown in Figure 9; Or directly adopt the outer cover 7.1 of lens type interface to substitute lens 7, shown in Fig. 1 E
Also be coated with fluorescent material on the described transparent cover plate 42 and add stopping off; Perhaps described transparent cover plate 42 is formed in mould transparent phosphor.Transparent phosphor is that fluorescent material and transparent material are that 5 ~ 30:100 makes by weight.
The female parts of described inner cover 61 can outwards be given prominence to, and increases volume and holds the volume that the transparent insulation conductive fluid expands, and avoids the transparent insulation conductive fluid to expand and makes inner cover 61 seal failures; Inner cover 61 surface applied fluorescent material also add stopping off or inner cover 61 is formed in mould transparent phosphor.Transparent phosphor is that fluorescent material and transparent material are that 5 ~ 30:100 makes by weight.
The shape of described ray machine template 43 as shown in Figure 7, described ray machine template 43 is a circular slab, two of circular slab bilateral symmetry ground excision circular slab place circle are arc, form two symmetric windows; Also be provided with the circular hole of band alignment pin on the described ray machine template 43, circular hole is used for being connected with electric connector 11 contrapositions; With d GDiameter, symmetrical X-axis is with l GBe length, w GBe chord length, the both sides of downcutting circle form breach.The purposes of breach is for when the ray machine module is used for liquid heat sink conception, and heated transparent insulation conductive fluid can be carried out thermal cycle from indentation, there, referring to Figure 10.At the positive 2mm of the X-axis of ray machine template 43 place is the center of circle, leaves the 8mm diameter circle, and circle is provided with the alignment pin 431 of electric connector 11; The relevant components and parts 41 contacts welding of flexible built-up circuit 44 with LED.Described circular slab place diameter of a circle d GBe 18mm or 25mm; As circular slab place diameter of a circle d GDuring for 18mm, two cut arc chord lengths are 8.2mm, and the distance between two strings is 16mm; As circular slab place diameter of a circle d GDuring for 25mm, two cut arc chord lengths are 9.8mm, and the distance between two strings is 23mm; The Circularhole diameter of described band alignment pin is 8mm, 2mm place, the circular slab center of circle is being departed from its center of circle, and the circular hole center equates with the distance of two breach, is the center of circle at the positive 2mm of the X-axis of ray machine template 43 place promptly, leave the 8mm diameter circle, circle is provided with the alignment pin 431 of electric connector 11.The relevant components and parts 41 of described LED are arranged at place, circular hole place by flexible built-up circuit 44 with pad, weld mutually with pad after described electric connector 11 inserts circular hole, as shown in Figure 8.
The medium-sized LED bulb of liquid radiating mode is provided with inner cover 61(spill outward), the medium-sized LED bulb of final liquid radiating mode is suspended between heat conduction support 3 and the spill inner cover 61 in the confined space, and the ray machine template external diameter of the medium-sized LED bulb of liquid radiating mode and the internal diameter of inner cover 61 fit tightly.So just constitute the core texture of a LED bulb, in inner cover 61, injected transparent insulation conductive fluid (being provided with the pressure release film 61.2 of relief hole 61.1 and sealing usefulness on the spill inner cover 61) at last, as shown in figure 11.
Heat radiation circulation of the present invention as shown in figure 10.

Claims (10)

1. the medium-sized LED bulb of a liquid radiating mode, it is characterized in that: comprise LED bulb ray machine core component and LED bulb peripheral member, described LED bulb core component comprises heat conduction support (3), electric connector (11) passes heat conduction support (3), and electric connector (11) contraposition inserts the centre bore on the ray machine module (4), and welds together by the contact pin (17) of flexible built-up circuit (44) and electric connector (11); And the outer inner cover (61) that is provided with of ray machine template (4), inner cover (61) is bonded in the caulking groove (61.3) of heat conduction support (3), heat conduction support (3) forms seal cavity with ray machine module (4), and be full of the transparent insulation conductive fluid in the sealing space, ray machine module (4) is suspended from the transparent insulation conductive fluid, and heat conduction support (3) is provided with reflecting layer (31) by the surface that inner cover (61) covers part; Described inner cover (61) is provided with relief hole (61.1), and relief hole (61.1) is gone up to cover and unloaded press mold (61.2), and the transparent insulation conductive fluid is injected by pressure relief vent (61.1); Temperature anomaly in inner cover (61), liquid can unload press mold (61.2) from pressure relief vent (61.1) outflow from breaking through, and the accident that prevents enlarges.
2. the medium-sized LED bulb of liquid radiating mode according to claim 1, it is characterized in that: described ray machine module (4) comprises ray machine template (43); Described ray machine template (43) is for doing the slim epitaxial wafer (46) that the transition epitaxial loayer forms on existing LED substrate, epitaxial wafer (46) enters reacting furnace and divides layer growth to form LED wafer and interlock circuit, after finishing, the growth of LED wafer do not cut apart, and the solid brilliant relevant components and parts of, beat gold thread again and connect LED wafer and relevant components and parts, epitaxial wafer (46) is bonding with ray machine template (43), described epitaxial wafer (46) is identical with the profile of ray machine template (43), and the both sides of ray machine template (43) and epitaxial wafer (46) are equipped with breach; Perhaps directly on described ray machine template (43), do the transition epitaxial loayer, enter reacting furnace and grow thereon and form LED wafer and interlock circuit, and the solid brilliant relevant components and parts of, beat gold thread again and connect LED wafer and relevant components and parts; Perhaps, described ray machine template (43) is the transparent material substrate, LED wafer and interlock circuit and relevant components and parts utilization existing wafer, chimeric printing technology and solid crystalline substance, beats technology such as gold thread and goes up realization in ray machine template (43); Described LED wafer, interlock circuit and relevant components and parts have formed the relevant components and parts (41) of LED; Described LED is correlated with, and components and parts (41) are gone up use transparent sealing (45) and/or transparent cover plate (42) covers, and only expose the pass connected bonding pads on the relevant components and parts (41) of LED.
3. the medium-sized LED bulb of liquid radiating mode according to claim 1, it is characterized in that: described LED bulb peripheral member comprises heat conduction support (3), 6 uniform flange holes are set as the bulb fixing hole on the heat conduction support (3), fix bulb by bulb hold-down screw (105), the riveted joint of heat conduction support (3) below has support lining (5), and heat conduction support (3) and support lining (5) form bulb and support basic structure; Heat conduction support (3) top is provided with heat conductive pad (2); Support lining (5) below is bonding with lens (7), has constituted a seal cavity between heat conduction support (3) and support lining (5) and the lens (7), is provided with ray machine template (4) and inner cover (61) in this confined space; Electric connector (11) passes heat conduction support (3), and is fixed on the heat conduction support (3) by stiff end (15), and electric connector (11) connects ray machine module (4) by flexible built-up circuit (44); Ray machine module (4) is covered with inner cover (61); Support lining (5) outer setting lens snap rings (8) block lens (7).
4. the medium-sized LED bulb of liquid radiating mode according to claim 1, it is characterized in that: described LED bulb peripheral member comprises heat conduction support (3), also be provided with lens snap ring (8) on the heat conduction support (3), lens snap ring (8) coats the edge of heat conduction support (3), 6 uniform flange holes are set as the bulb fixing hole on the edge of heat conduction support (3), corresponding bulb fixing hole also is set on the lens snap ring (8), be provided with bulb hold-down screw (105) in the bulb fixing hole and fix bulb, and heat conduction support (3) below is provided with interior snap ring (81), lens snap ring (8), heat conduction support (3) and interior snap ring (81) form bulb and support basic structure; Heat conductive pad (2) is set on the heat conduction support (3); Lens (7) are connected by bonding and interior snap ring (81), and lens snap ring (8) blocks lens (7); Constitute seal cavity between heat conduction support (3), interior snap ring (81) and the lens (7), inner cover (61) and ray machine module (4) are fixing wherein; Electric connector (11) passes heat conduction support (3), and is fixed on the heat conduction support (3) by stiff end (15), and electric connector (11) connects ray machine module (4) by flexible built-up circuit (44); Perhaps described LED bulb peripheral member comprises heat conduction support (3), 6 uniform flange holes are set as the bulb fixing hole on the heat conduction support (3), fix bulb by bulb hold-down screw (105), interior snap ring (81) is connected heat conduction support (3) below by bonding and hold-down screw, forms bulb and supports basic structure; Heat conductive pad (2) is set on the heat conduction support (3); Lens (7) are connected by bonding and interior snap ring (81), constitute seal cavity between heat conduction support (3), interior snap ring (81) and the lens (7), and inner cover (61) and ray machine module (4) are fixing wherein; Electric connector (11) passes heat conduction support (3), and is fixed on the heat conduction support (3) by stiff end (15), and electric connector (11) connects ray machine module (4) by flexible built-up circuit (44); Interior snap ring (81) outer setting lens snap rings (8) block lens (7), hold-down screw can be set lens snap ring (8) is fixed on the interior snap ring (81), prevent the lens accidental.
5. the medium-sized LED bulb of liquid radiating mode according to claim 1, it is characterized in that: described LED bulb peripheral member comprises heat conduction support (3), heat conduction support (3) is by being adhesively fixed on the interior snap ring (81), lens (7) are connected by bonding and interior snap ring (81), form bulb and support basic structure; Heat conductive pad (2) is set on the heat conduction support (3); Constitute seal cavity between heat conduction support (3) and interior snap ring (81) and lens (7), inner cover (61) and ray machine module (4) are fixing wherein; Electric connector (11) passes heat conduction support (3), and is fixed on the heat conduction support (3) by stiff end (15), and electric connector (11) connects ray machine module (4) by flexible built-up circuit (44); Interior snap ring (81) outer setting lens snap rings (8), block lens (7), and by bonding lens snap ring (8) is connected on the interior snap ring (81), 6 uniform flange holes are set as the bulb fixing hole on the lens snap ring (8), fix bulb by bulb hold-down screw (105); Perhaps described heat conduction support (3) forms bulb and supports basic structure by being adhesively fixed in the lens (7); Heat conductive pad (2) is set on the heat conduction support (3); Constitute seal cavity between heat conduction support (3) and lens (7), inner cover (61) and ray machine module 4 are fixed wherein; Electric connector (11) passes heat conduction support (3), and is fixed on the heat conduction support (3) by stiff end (15), and electric connector (11) connects ray machine module (4) by flexible built-up circuit (44); Lens (7) outer setting lens snap rings (8), block lens (7), and by bonding lens snap ring (8) is connected on the lens (7), 6 uniform flange holes are set as the bulb fixing hole on the lens snap ring (8), fix bulb by bulb hold-down screw (105).
6. the medium-sized LED bulb of liquid radiating mode according to claim 2, it is characterized in that: transparent sealing of described use (45) and/or transparent cover plate (42) to the method that the relevant components and parts (41) of LED cover are: the interelement at the relevant components and parts (41) of LED is filled a little transparent adhesive tape levelling, make between led chip surface and the transparent cover plate (42) and form transparent adhesive tape as few as possible, adopt the profile transparent cover plate (42) identical to add a cover on it again with ray machine template (43), transparent cover plate (42) is provided with the open area, is used for exposed pad; Perhaps, interelement at the relevant components and parts (41) of LED is filled a little transparent adhesive tape levelling, make between led chip surface and the transparent cover plate (42) and form transparent adhesive tape as few as possible, adopt profile to add a cover on it again less than the transparent cover plate (42) of ray machine template (43), coat transparent sealing (45) on every side at transparent cover plate (42) then, the profile of transparent sealing (45) is flushed with ray machine template (43), and transparent cover plate (42) is provided with the open area, is used for exposed pad; Perhaps, go up directly coating transparent sealing (45) at the relevant components and parts (41) of LED, the profile of transparent sealing (45) is flushed with ray machine template (43), transparent adhesive tape (45) is provided with the open area, is used for exposed pad.
7. the medium-sized LED bulb of liquid radiating mode according to claim 1 is characterized in that: described ray machine template (43) is circular slab, and two of circular slab bilateral symmetry ground excision circular slab place circle are arc, form two symmetric windows; Also be provided with the circular hole of band alignment pin on the described ray machine template (43), circular hole is used for being connected with electric connector (11) contraposition; The described LED components and parts (41) of being correlated with are arranged at circular hole place place by flexible built-up circuit (44) with pad, described electric connector (11) insert behind the circular hole with flexible built-up circuit (44) on pad weld mutually.
8. the medium-sized LED bulb of liquid radiating mode according to claim 7 is characterized in that: described circular slab place diameter of a circle d GBe 18mm or 25mm; As circular slab place diameter of a circle d GDuring for 18mm, two cut arc chord lengths are 8.2mm, and the distance between two strings is 16mm; As circular slab place diameter of a circle d GDuring for 25mm, two cut arc chord lengths are 9.8mm, and the distance between two strings is 23mm; The Circularhole diameter of described band alignment pin is 8mm, and 2mm place, the circular slab center of circle is being departed from its center of circle, and the circular hole center equates with the distance of two breach.
9. the medium-sized LED bulb of liquid radiating mode according to claim 6, it is characterized in that: the also available outer covers of described lens (7) (9) substitute, when bulb adopts outer cover (9), the outside bonding outer cover (9) that is provided with of described inner cover (61) or lens snap ring (8); Or directly adopt the outer cover (7.1) of lens type interface to substitute lens (7).
10. the medium-sized LED bulb of liquid radiating mode according to claim 1 is characterized in that: also be coated with fluorescent material on the described transparent cover plate (42) and add stopping off; Perhaps described transparent cover plate (42) is formed in mould transparent phosphor; Described inner cover (61) is a spill, and when the conductive fluid pressure of inside was excessive, its female parts can outwards be given prominence to, and increases volume and holds the volume that the transparent insulation conductive fluid expands, and avoids the transparent insulation conductive fluid to expand and makes inner cover (61) seal failure; Inner cover (61) surface applied fluorescent material and add stopping off or inner cover (61) for formed in mould transparent phosphor.
CN201310140151.2A 2013-04-22 2013-04-22 Liquid-state heat-radiation type medium-sized LED bulb Active CN103225756B (en)

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CN201310140151.2A CN103225756B (en) 2013-04-22 2013-04-22 Liquid-state heat-radiation type medium-sized LED bulb
JP2016507992A JP6387395B2 (en) 2013-04-22 2014-04-14 LED bulb production method
EP14787783.1A EP3002501A4 (en) 2013-04-22 2014-04-14 Led light bulb manufacturing method
KR1020157030509A KR20160018469A (en) 2013-04-22 2014-04-14 Led light bulb manufacturing method
BR112015026793A BR112015026793A2 (en) 2013-04-22 2014-04-14 LED light bulb manufacturing method
PCT/CN2014/075245 WO2014173239A1 (en) 2013-04-22 2014-04-14 Led light bulb manufacturing method
US14/918,566 US20160118532A1 (en) 2013-04-22 2015-10-21 LED light bulb manufacturing method

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