CN201561396U - Organic light-emitting diode bulb - Google Patents
Organic light-emitting diode bulb Download PDFInfo
- Publication number
- CN201561396U CN201561396U CN2009202384299U CN200920238429U CN201561396U CN 201561396 U CN201561396 U CN 201561396U CN 2009202384299 U CN2009202384299 U CN 2009202384299U CN 200920238429 U CN200920238429 U CN 200920238429U CN 201561396 U CN201561396 U CN 201561396U
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- organic light
- emitting diode
- light emitting
- lamp
- circuit
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Abstract
The utility model discloses an organic light-emitting diode bulb which comprises a lamp holder (1); one end of the lamp holder is provided with a lamp cap (2), and the other end thereof is provided with a triangular bracket (3); all surfaces of the triangular bracket are provided with organic light-emitting diodes (4), and the end of the lamp holder is provided with a transparent lamp shade (5) which covers the triangular bracket; a driving circuit is arranged in the lamp holder; and the driving circuit is connected with the lamp cap and the organic light-emitting diodes. The organic light-emitting diode bulb has the advantages of good color coordinates, capability of adjusting white light from cool to warm, low energy consumption, low working voltage, safety, long service life, low maintenance price, high-quality light output and only trace ultraviolet and infrared radiation, is a current driven device which has the advantages of changeable brightness within a dynamic scope, uniform light, no flashing, over-voltage and over-current, surge impact protection upon booting and EM tasking; a PFC correction circuit has higher power factor and improves the utilization rate of a whole power grid; and the organic light-emitting diode bulb is the bulb which emits light from three surfaces, has large irradiation area and does not have dark corners.
Description
Technical field
The utility model belongs to the technical field of lighting, specifically is meant a kind of Organic Light Emitting Diode bulb.
Background technology
At present, for saving energy resource consumption, the lighting of development power saving, low heating, environment-friendly type seems more urgent.As light source, its shortcoming is that brightness irregularities, light are dazzling, light efficiency is low, caloric value burns out greatly, easily with thermal source bulb etc. for conventional bulb such as incandescent lamp; And the fluorescent tube and the electricity-saving lamp that generally use belong to linear light sorurce, and it can't provide uniform lighting source, and fluorescent tube contains toxic gases such as mercury; Conventional bulb or fluorescent lamp need higher driving voltage in addition, and fluorescent tube also easily breaks, and transportation is inconvenient.
Present stage come into vogue adopt light emitting diode (LED) as light source applications in illuminating lamp, though need shortcomings such as higher driving voltage and power consumption are big before having solved, but because light emitting diode (LED) is the solidus light source, also can't provide uniform lighting source, and caloric value is big, the light fixture heat radiation is the bottleneck of its application, and lamp distribution also needs to increase in addition cost simultaneously.
The utility model content
The purpose of this utility model is to provide the Organic Light Emitting Diode bulb of a kind of illuminance distribution, power saving, low heating.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the Organic Light Emitting Diode bulb, comprise lamp socket, lamp socket one end is provided with lamp holder, the lamp socket other end is provided with three corner steadies, and each face of described three corner steadies is provided with Organic Light Emitting Diode, is provided with the Transparent lamp shade that covers three corner steadies at this end of lamp socket, be provided with drive circuit in the described lamp socket, drive circuit is connected with lamp holder, Organic Light Emitting Diode.
Described drive circuit comprises overcurrent-overvoltage, the start surge protection circuit of serial connection successively, the EMI filter circuit, and bridge rectifier, the PFC correcting circuit, output circuit is handled in constant current.
Described Organic Light Emitting Diode is three, is separately positioned on three sides of three corner steadies.
Described three Organic Light Emitting Diodes are connected in series mutually or and connect.
Owing to adopted above-mentioned structure, the utlity model has following advantage:
1, have good chromaticity coordinates, realize high color rendering index (CRI) (CRI) near 100, can regulate white light from the cool colour to the warm colour;
2, energy consumption is low, operating voltage is low and compare safety;
3, the life-span long, do not occur filament breaking thereby durable, support price is low;
4, high-quality light output is arranged, a spot of ultraviolet light and infrared light radiation etc. are only arranged;
5, be the current drive-type device, brightness changes in can dynamic range, and their uniformly light-emittings, does not glimmer;
6, this illuminating lamp has over-voltage over-current protection, the anti-surge surge protection of start, good EMI and handles etc.;
7, this illuminating lamp has the PFC circuit for rectifying, has higher power factor, improves the utilization rate of whole electrical network;
8, this lighting is three alight bubbles, and irradiated area is big, dark angle can not occur.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Fig. 1 is the stereogram of Organic Light Emitting Diode bulb;
Fig. 2 is the circuit diagram of drive circuit.
Fig. 3 is the circuit diagram that the employing of Organic Light Emitting Diode is connected in series;
Fig. 4 is the circuit diagram that the employing of Organic Light Emitting Diode is connected in parallel.
The specific embodiment
As shown in Figure 1 and Figure 2, Organic Light Emitting Diode bulb described in the utility model comprises lamp socket 1, and lamp socket 1 one ends are provided with lamp holder 2, and lamp socket 1 other end is provided with three corner steadies 3, and each face of described three corner steadies 3 is provided with Organic Light Emitting Diode 4.This end at lamp socket 1 is provided with the Transparent lamp shade 5 that covers three corner steadies 3, be provided with drive circuit in the described lamp socket 2, drive circuit is connected with lamp holder 2, Organic Light Emitting Diode 4, and lamp holder 2 is passages of the outside power taking of whole light fixture, powers to Organic Light Emitting Diode 4 behind drive circuit.
Described Organic Light Emitting Diode 4 is three, and employed Organic Light Emitting Diode parameter index is identical, and three Organic Light Emitting Diodes 4 are separately positioned on three sides of three corner steadies 3.As shown in Figure 3 and Figure 4, described three Organic Light Emitting Diodes 4 can be taked a kind of in two kinds of connected modes of serial or parallel connection, and employed OLED parameter index is identical; The Organic Light Emitting Diode connected mode can decide according to the output current and the output voltage of power circuit, and output current and output voltage are mainly regulated according to the resistance of power circuit R4.
Described drive circuit comprises overcurrent-overvoltage, the start surge protection circuit 6 of serial connection successively, EMI filter circuit 7, and bridge rectifier 8, PFC correcting circuit 9, output circuit 10 is handled in constant current.
Wherein, overcurrent-overvoltage, the negative tempperature coefficient thermistor RH1 of start in the surge protection circuit 6 can prevent that immediate current of boot-strap is too high and burn in the circuit other components and parts; Fuse F1 can ensure circuit under normal operation, and the variation of power network current can not exert an influence to the components and parts of circuit; When input voltage was too high, piezo-resistance VR1 can ensure that circuit is unaffected in operate as normal.
Differential mode capacitor CX1, CX2 in the EMI filter circuit 7, common mode inductance L1 form EMI jointly and suppress circuit, produce interference effect in the time of can suppressing DM EMI signal and common mode and disturb signal to the circuit operate as normal.
Bridge rectifier pipe BG1 in the bridge rectifier 8 changes alternating current into direct current.
Electric capacity EC1 in the PFC correcting circuit 9, electric capacity EC2, diode D1, D2, D3, the resistance R 1 common PFC circuit for rectifying of forming, the power factor of raising entire circuit.
Handle between the output circuit to be provided with capacitor C 1 in PFC correcting circuit and constant current, be used to filter the ripple behind the bridge rectifier.
The U1 that constant current is handled in the output circuit 10 is the constant-current driven chip with PWM function, and the voltage that pin1 can bear can reach 450V.R2 shields, and avoids the impact chip of pulse signal frequency.R4 is an adjustable resistance; play the inductive current detection effect; another important function is when load short circuits; metal-oxide-semiconductor Q1 electric current sharply increases, and pressure drop on the R4 raises, when inductive current reference signal that this signal produces greater than the U1 chip internal; internal protection circuitry starts; the internal comparator upset ends metal-oxide-semiconductor Q1, inactivity output.Fast diode D4, electric capacity EC3, inductance L 2 when power MOS pipe Q1 work ends, are powered to the Organic Light Emitting Diode load through D4 by the L2 discharge, and EC3 plays filter action, and there is constant electric current output at OLED+ and OLED-two ends.When power MOS pipe Q1 conducting, L2, Q1, R4 form the loop, Organic Light Emitting Diode+and Organic Light Emitting Diode-two ends the output of constant electric current is arranged.Filter capacitor C2 is used for filtering, the operating frequency that resistance R 3 is regulated U1.
Organic Light Emitting Diode (OLED) (organic light-emitting diode) is an area source, possesses characteristics such as light, thin, soft, transparent, low heating, environmental protection.Organic Light Emitting Diode display lighting technology is a kind of technology that is converted into luminous energy by the organic semiconductor functional material, with electric energy, because of its have simple in structure, thickness is little, response speed is fast, low in energy consumption, the visual angle is wide, operating temperature is low, can realize the soft characteristics that show, generally believed it is the most promising display lighting technology by the people in the industry, it is the development trend of illuminating industry that Organic Light Emitting Diode is used lighting.
In a word; though the utility model has exemplified above-mentioned preferred implementation; but should illustrate; though those skilled in the art can carry out various variations and remodeling; unless such variation and remodeling have departed from scope of the present utility model, otherwise all should be included in the protection domain of the present utility model.
Claims (4)
1. Organic Light Emitting Diode bulb, it is characterized in that: comprise lamp socket (1), lamp socket (1) one end is provided with lamp holder (2), lamp socket (1) other end is provided with three corner steadies (3), each face of described three corner steadies (3) is provided with Organic Light Emitting Diode (4), this end at lamp socket (1) is provided with the Transparent lamp shade (5) that covers three corner steadies (3), and described lamp socket is provided with drive circuit in (2), and drive circuit is connected with lamp holder (2), Organic Light Emitting Diode (4).
2. according to the described Organic Light Emitting Diode bulb of claim 1; it is characterized in that: described drive circuit comprises overcurrent-overvoltage, the start surge protection circuit (6) of serial connection successively; EMI filter circuit (7); bridge rectifier (8); PFC correcting circuit (9), output circuit (10) is handled in constant current.
3. according to claim 1 or 2 described Organic Light Emitting Diode bulbs, it is characterized in that: described Organic Light Emitting Diode (4) is three, is separately positioned on three sides of three corner steadies (3).
4. according to the described Organic Light Emitting Diode bulb of claim 3, it is characterized in that: described three Organic Light Emitting Diodes (4) are connected in series mutually or and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202384299U CN201561396U (en) | 2009-11-04 | 2009-11-04 | Organic light-emitting diode bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202384299U CN201561396U (en) | 2009-11-04 | 2009-11-04 | Organic light-emitting diode bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201561396U true CN201561396U (en) | 2010-08-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202384299U Expired - Fee Related CN201561396U (en) | 2009-11-04 | 2009-11-04 | Organic light-emitting diode bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201561396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091419A (en) * | 2017-04-28 | 2017-08-25 | 中蕊（武汉）光电科技有限公司 | Ultraviolet LED light source, ultraviolet catalytic oil saving structure and ultraviolet catalytic fuel saving method |
-
2009
- 2009-11-04 CN CN2009202384299U patent/CN201561396U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091419A (en) * | 2017-04-28 | 2017-08-25 | 中蕊（武汉）光电科技有限公司 | Ultraviolet LED light source, ultraviolet catalytic oil saving structure and ultraviolet catalytic fuel saving method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20111104 |