CN201373280Y - LED lighting decorative bulb - Google Patents
LED lighting decorative bulb Download PDFInfo
- Publication number
- CN201373280Y CN201373280Y CN200920105648U CN200920105648U CN201373280Y CN 201373280 Y CN201373280 Y CN 201373280Y CN 200920105648 U CN200920105648 U CN 200920105648U CN 200920105648 U CN200920105648 U CN 200920105648U CN 201373280 Y CN201373280 Y CN 201373280Y
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- led
- illumination
- filament
- led chip
- decoration
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Abstract
The utility model discloses an LED lighting decorative bulb which comprises a lamp head, a lamp shell and at least two LED lamp wires evenly distributed in the lamp shell, wherein each LED lamp wire is shaped like a strip, the LED lighting decorative bulb comprises at least two LED chips and a packaging structure, the LED lamp wires are electrically connected with the lamp head through guide wires, all the LED chips are evenly distributed in the packaging structure, and two electrodes of the LED chips are respectively arranged on two side surfaces of an LED epitaxial layer. The LED lighting decorative bulb has simple structure, the surfaces of the LED chips can be all-round luminous, and the luminous light is uniform.
Description
Technical field
The utility model relates to a kind of LED lighting device, in particular, and a kind of LED illumination and decoration bulb.
Background technology
Normally a kind of light emitting semiconductor device that electric energy can be changed into luminous energy of LED (Light Emitting Diode) light emitting diode belongs to solid state light emitter.LED came out in phase early 1960s, along with improving constantly and the continuous decline of price of LED luminous efficacy, the LED lamp is because significant advantage such as energy-saving and environmental protection, life-span are long, it will inevitably cause an illumination revolution at lighting field, and progressively replace incandescent lamp, electricity-saving lamp.
In the prior art, owing to LED only penetrates from exiting surface at the light that sends, so light-emitting line is very inhomogeneous, is difficult to make common bulb.
Therefore, there is defective in prior art, needs to improve.
The utility model content
Technical problem to be solved in the utility model is, provides a kind of surface simple in structure, led chip can the omnibearing luminous and uniform LED illumination and decoration of light-emitting line bulb.
The technical solution of the utility model is as follows: a kind of LED illumination and decoration bulb wherein, comprises lamp holder, lamp housing and is distributed at least two interior LED filaments of described lamp housing; Described LED filament is bar shaped, comprises at least two led chips and an encapsulating structure, and described LED filament is electrically connected with described lamp holder by lead; The uniform described encapsulating structure inside that is arranged on of each led chip, two electrodes of described led chip are separately positioned on the two sides of LED epitaxial loayer.
Described LED illumination and decoration bulb wherein, comprises at least three LED filaments that length is identical, arranges to be combined to form planar graph or three-dimensional shape for triangle or its.
Described LED illumination and decoration bulb, wherein, in the described LED filament, the light emission direction of each led chip is perpendicular to the bearing of trend of described LED filament, and evenly setting.
Described LED illumination and decoration bulb, wherein, arbitrary LED filament comprises at least three led chips, wherein, triangular in shape the arranging of any three led chips.
Described LED illumination and decoration bulb, wherein, three led chips of arranging triangular in shape form a LED unit, and each led chip is parallel with one another, and each LED unit is a straight line and arranges.
Described LED illumination and decoration bulb wherein, also is provided with fluorescent material on the described encapsulating structure.
Described LED illumination and decoration bulb, wherein, described led chip is the blue led chip, described fluorescent material is yttrium aluminium garnet fluorescent powder.
Described LED illumination and decoration bulb, wherein, described lead is a rigid wire, is used for fixing described LED filament.
Described LED illumination and decoration bulb, wherein, described encapsulating structure is a transparent encapsulating structure, and each led chip is a high-power LED chip.
Described LED illumination and decoration bulb, wherein, each led chip is OLED Organic Light Emitting Diode and drives structure thereof.
Adopt such scheme, the utility model is by being provided with at least two bar-shaped LED filaments, and each LED filament comprises at least two led chips, and the light of each filament is disperseed more equably, and light-emitting line is even; Two electrodes of each led chip are separately positioned on the two sides of LED epitaxial loayer, make the almost whole vertical currents of electric current cross the LED epitaxial loayer, the electric current of few lateral flow, can improve the CURRENT DISTRIBUTION problem of planar structure, improve luminous efficiency, also can solve the shading problem of the P utmost point, promote the light-emitting area of LED, make the surface of LED can be omnibearing luminous.
Description of drawings
Fig. 1 is the schematic diagram of embodiment 1 in the utility model;
Fig. 2 is the structural representation of led chip in the utility model;
Fig. 3 is the schematic diagram of embodiment 2 in the utility model;
Fig. 4 is the schematic diagram of embodiment 3 in the utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment 1
As shown in Figure 1, present embodiment provides a kind of LED illumination and decoration bulb, and this LED illumination and decoration bulb can be used for lighting, and for example desk lamp, pendent lamp etc. also can be used for various decorative lamps.
The present embodiment bulb comprises lamp holder 101, lamp housing 104 and is distributed at least two LED filaments 103 in the described lamp housing 104; Described LED filament is meant and adopts the LED light emitting diode to replace traditional metallic filament, by applying voltage on the LED light emitting diode, and makes the LED lumination of light emitting diode.Adopt the LED light emitting diode as filament, make bulb have advantages such as environmental protection, energy-conservation and long service life.
Described LED filament 103 is set to bar shaped, and the LED filament is set to strip, and is similar with traditional incandescent filament, can make full use of the light-emitting area of each LED light emitting diode, improves the utilization rate of light.
Each LED filament 103 comprises at least two led chips and an encapsulating structure, because the light intensity of LED light emitting diode is smaller, therefore uses plural led chip, can increase the luminous intensity of LED filament 103, to satisfy the illumination needs.
Described LED filament 103 is electrically connected with described lamp holder 101 by lead 102, lamp holder 101 is fixed on the lamp socket by clamping or mode such as spin again, lamp holder 101 is electrically connected with lamp socket, and lamp socket is electrically connected with power supply by power line, so that present embodiment LED bulb is realized illumination, decoration functions.Described lead 102 can be rigid wire, and rigid wire has good weight-bearing function, and described LED filament very firmly is fixed on the described lamp holder 101.
The uniform described encapsulating structure inside that is arranged on of each led chip, the traditional epoxy resin material of the general employing of described encapsulating structure, in addition, special circumstances also can adopt other materials, for example, silicones.Described encapsulating structure can be a transparent encapsulating structure, and transparent encapsulating structure is transmitted ray better, makes the light emission rate through encapsulating structure light reach the highest.
As shown in Figure 2, arbitrary led chip all adopts vertical stratification, and promptly two of led chip electrodes are separately positioned on the two sides of led chip epitaxial loayer 202, for example, the P utmost point 201 is provided with on the side of LED epitaxial loayer 202, and the N utmost point 203 is arranged on the another side of led chip epitaxial loayer 202.Led chip epitaxial loayer 202 comprises a P type coating, active layer and a N type coating, the P utmost point 201 is arranged on the P type coating, the N utmost point 203 is arranged on the N type coating, since patterned electrodes and whole p-class limitations layer as second electrode, make electric current almost all vertical currents cross led chip epitaxial loayer 202, the electric current of few lateral flow, can improve the CURRENT DISTRIBUTION problem of planar structure, improve luminous efficiency, also can solve the shading problem of the P utmost point, promote the light-emitting area of led chip.
The led chip technology of making vertical stratification mainly contains three kinds of methods: the one, adopt silicon carbide substrate growing GaN film, and this method advantage is under the same operation current condition, and light decay is few, the life-span is long, and not enough place is that silicon substrate can extinction.The 2nd, utilize chip to bind and the lift-off technology manufacturing.This method advantage is that light decay is few, the life-span is long, and not enough place must handle to improve luminous efficiency the LED surface.The 3rd, adopt heterogeneous substrate such as silicon substrate gallium nitride growth LED epitaxial layer, this method advantage is good heat dissipation, easily processing.
And the light emission direction of each led chip is perpendicular to the bearing of trend of described LED filament, and evenly setting, and for example, the projection of LED filament on the plane forms a circle, and the N chips is arranged, and the projection of light emission direction just is divided into N part to this circle.
In addition, each led chip can be set to high-power LED chip, because the luminous intensity of led chip own is little, and the light that illumination needs is more intense, therefore, adopts high-power LED chip can satisfy the brightness needs of illumination.
Embodiment 2
As shown in Figure 3, similar to embodiment 1, present embodiment provides a kind of LED illumination and decoration bulb, and this LED illumination and decoration bulb can be used for lighting, and for example desk lamp, pendent lamp etc. also can be used for various decorative lamps.
Be not both with embodiment 1, be provided with at least three LED filaments in the lamp housing 104 of the bulb in the present embodiment, i.e. LED filament 103a, LED filament 103b and LED filament 103c, LED filament 103a, LED filament 103b and LED filament 103c arrange and are triangle, and, interfix.Each the LED filament that makes up of arranging can form planar graph, also can form three-dimensional shape.Arrange to leg-of-mutton three LED filaments, can very firmly be fixed on the lamp holder 101, make that each LED filament is not easy to be given a shock, the influence of collision etc. and damaging easily by lead 102.
Each LED filament can be set to leg-of-mutton combination when above when the LED filament that is provided with is three, for example quadrangle, pentagon or the like, and each LED filament of the combination of arranging can form planar graph, also can form three-dimensional shape.
Embodiment 3
As shown in Figure 4, similar with embodiment 2 to embodiment 1, present embodiment provides a kind of LED illumination and decoration bulb, and this LED illumination and decoration bulb can be used for lighting, and for example desk lamp, pendent lamp etc. also can be used for various decorative lamps.
The difference of present embodiment and embodiment 1 and embodiment 2 is, in the present embodiment, arbitrary LED filament comprises at least three led chips, wherein, three led chips comprise the led chip of at least 1 red LED chips 401, at least 1 green LED chip 402 and 403, three kinds of colors of at least 1 blue led chip, control by control module, can send versicolor light, especially send the required white light of illumination.And any three led chips can triangular in shapely be arranged, and three led chips of arranging triangular in shape make light more concentrated, and luminosity is higher.
The above three led chip of arranging triangular in shape can form a LED unit, and each led chip is parallel with one another.Each led chip parallel with one another is when arbitrary led chip breaks down, and other led chip is all unaffected, and each LED unit is the LED filament that a straight line is arranged and can be formed a bar shaped.
Embodiment 4
Similar with 3 to embodiment 1,2, present embodiment provides a kind of LED illumination and decoration bulb, and this LED illumination and decoration bulb can be used for lighting, and for example desk lamp, pendent lamp etc. also can be used for various decorative lamps.
Different with embodiment 1,2 and 3 is in the present embodiment, for the bulb that makes present embodiment sends the needed white light of photo, also also to be provided with fluorescent material on described encapsulating structure.
Described fluorescent material can be arranged on the surface of encapsulating structure, comprising outer surface and/or inner surface, also can be directly one-body molded with described encapsulating structure, and described encapsulating structure inside promptly also is set.
Led chip in each described encapsulating structure can be set to color in, or two kinds of colors, for example, the blue led chip only is set, the fluorescent material that then is arranged on the encapsulating structure is yttrium aluminium garnet fluorescent powder, can make the white light that light emitting diode sends to be needed like this, and light is purer.And for example, blue led chip and green LED chip are set in the described encapsulating structure, the fluorescent material that then is arranged on encapsulating structure is red fluorescence powder.
Embodiment 5
In above-mentioned each example, described LED light emitting diode, can be OLED (Organiclight-emitting diode, Organic Light Emitting Diode), comprise double-deck A type (double layer-A, DL-A), double-deck Type B (double layer-B, DL-B), three layers of A type (three layer-A, TL-A), three layers of Type B (three layer-B, TL-B), single quantum or MQW (multiplequantumwell, MQW) OLED of structure or the like, the utility model do not make any additional limits to this.Like this, need not backlight, OLED adopts extremely thin coating of organic material and glass substrate, as electric current by the time, OLED will be luminous, has that reaction is fast, in light weight, a thin thickness, simple structure, low cost and other advantages.
For example, described OLED basic structure is an indium tin oxide that links to each other with positive source (ITO), adds another metallic cathode, is bundled into the structure as sandwich.Comprised in the total layer: hole transmission layer (HTL, Hole Transport Layer), luminescent layer (EL, Emitter Layer) and electron transfer layer (ETL, Electron Transport Layer).When the supply appropriate voltage, anodal electric hole will combine in luminescent layer with the negative electrode electric charge, produces light, according to the different RGB three primary colors that produce of its prescription, constitutes basic color.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (10)
1, a kind of LED illumination and decoration bulb is characterized in that, comprises lamp holder, lamp housing and is distributed at least two interior LED filaments of described lamp housing;
Described LED filament is bar shaped, comprises at least two led chips and an encapsulating structure, and described LED filament is electrically connected with described lamp holder by lead;
The uniform described encapsulating structure inside that is arranged on of each led chip, two electrodes of described led chip are separately positioned on the two sides of LED epitaxial loayer.
2, LED illumination and decoration bulb according to claim 1 is characterized in that, comprises at least three LED filaments that length is identical, arranges to be combined to form planar graph or three-dimensional shape for triangle or its.
3, LED illumination and decoration bulb according to claim 1 is characterized in that, in the described LED filament, the light emission direction of each led chip is perpendicular to the bearing of trend of described LED filament, and evenly setting.
4, LED illumination and decoration bulb according to claim 1 is characterized in that, arbitrary LED filament comprises at least three led chips, wherein, and triangular in shape the arranging of any three led chips.
5, LED illumination and decoration bulb according to claim 2 is characterized in that, three led chips of arranging triangular in shape form a LED unit, and each led chip is parallel with one another, and each LED unit is a straight line and arranges.
6, LED illumination and decoration bulb according to claim 1 is characterized in that, also is provided with fluorescent material on the described encapsulating structure.
7, LED illumination and decoration bulb according to claim 6 is characterized in that, described led chip is the blue led chip, and described fluorescent material is yttrium aluminium garnet fluorescent powder.
8, LED illumination and decoration bulb according to claim 1 is characterized in that described lead is a rigid wire, is used for fixing described LED filament.
9, according to the arbitrary described LED illumination and decoration bulb of claim 1 to 8, it is characterized in that described encapsulating structure is a transparent encapsulating structure, and each led chip is a high-power LED chip.
10, according to the arbitrary described LED illumination and decoration bulb of claim 1 to 8, it is characterized in that each led chip is OLED Organic Light Emitting Diode and drives structure thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920105648U CN201373280Y (en) | 2009-02-05 | 2009-02-05 | LED lighting decorative bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920105648U CN201373280Y (en) | 2009-02-05 | 2009-02-05 | LED lighting decorative bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201373280Y true CN201373280Y (en) | 2009-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920105648U Expired - Fee Related CN201373280Y (en) | 2009-02-05 | 2009-02-05 | LED lighting decorative bulb |
Country Status (1)
| Country | Link |
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| CN (1) | CN201373280Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102782396A (en) * | 2010-03-01 | 2012-11-14 | 松下电器产业株式会社 | LED lamp, LED illumination device, and LED module |
| WO2014101249A1 (en) * | 2012-12-24 | 2014-07-03 | 上海顿格电子贸易有限公司 | Bulb of inclined and rotary combined led lamp filament structure |
-
2009
- 2009-02-05 CN CN200920105648U patent/CN201373280Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102782396A (en) * | 2010-03-01 | 2012-11-14 | 松下电器产业株式会社 | LED lamp, LED illumination device, and LED module |
| CN102782396B (en) * | 2010-03-01 | 2015-05-06 | 松下电器产业株式会社 | LED lamp, LED illumination device, and LED module |
| USRE47591E1 (en) | 2010-03-01 | 2019-09-03 | Panasonic Intellectual Property Management Co., Ltd. | LED lamp, LED illumination device, and LED module |
| WO2014101249A1 (en) * | 2012-12-24 | 2014-07-03 | 上海顿格电子贸易有限公司 | Bulb of inclined and rotary combined led lamp filament structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CREATELED PHOTOELECTRICITY CO., LTD. Free format text: FORMER OWNER: SHENZHEN ZHONGQINGWEI TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20100519 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518040 706, 7/F, TAIRAN INDUSTRIAL FACTORY BUILDING 211, CHEGONGMIAO INDUSTRIAL DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518110 BUILDING E, JINXIONGDA SCIENCE PARK, HUANGUAN SOUTH ROAD, GUANLAN, SHENZHEN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100519 Address after: Shenzhen City, Guangdong province 518110 Ring Road, Guanlan view gold to E building science and Technology Parks Patentee after: CreateLED Electronics Co., Ltd. Address before: Futian District Che Kung Temple Tairan Industrial Zone in Shenzhen city of Guangdong province 518040 211 industrial buildings seventh floor 706 Patentee before: Shenzhen Zhongqingwei Technology Development Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen photoelectric Co., Ltd. Cheng Zhuo Zhuo Document name: Notification of Termination of Patent Right |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20120205 |