CN101876405A - Light emitting diode bulb - Google Patents
Light emitting diode bulb Download PDFInfo
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- CN101876405A CN101876405A CN2009101405362A CN200910140536A CN101876405A CN 101876405 A CN101876405 A CN 101876405A CN 2009101405362 A CN2009101405362 A CN 2009101405362A CN 200910140536 A CN200910140536 A CN 200910140536A CN 101876405 A CN101876405 A CN 101876405A
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Abstract
The invention relates to a light emitting diode bulb which comprises a bulb housing, a joint lantern ring, a bulb holder, a core column and at least one light emitting diode bulb bar plate, wherein the bulb housing is provided with a chamber and a bulb housing opening; the joint lantern ring is jointed with the bulb housing and provided with a bottom part and a lantern ring opening; the bulb holder is provided with a bulb holder opening jointed with the lantern ring opening; the core column is jointed with the bottom part and provided with a first end extending to the chamber and a second end electrically connected with the bulb holder, and the first end comprises a first lead frame and a second lead frame; the light emitting diode bulb bar plates are arranged at the first end, and each light emitting diode bulb bar plate comprises a first power pin and a second power pin; and the first power pin is jointed with the first lead frame, and the second power pin is jointed with the second lead frame.
Description
Technical field
The present invention relates to a kind of bulb, specifically, is a kind of light emitting diode bulb.
Background technology
Conventional incandescent thermolamp bubble is by the lead frame filament supports, tungsten filament for example, described lead frame directly connects an external power source and described external power source is supplied to described filament through lamp holder, make electric current flow through described filament and produce extensively uniformly light, though it has big light angle, there are shortcomings such as power consumption, high temperature and service life is short.Light emitting diode (LED) bulb is because the life-span is long, power saving and do not have environmental protection advantage such as discarded object, replacing conventional incandescent thermolamp bubble gradually becomes the lighting apparatus of a new generation, but because problem such as light angle deficiency and manufacturing cost be higher can't be widely used in the daily life it.
U.S.'s patent of invention discloses No. 20050254264 and proposes a kind of LED bulb, it is installed in plurality of LEDs on one matrix, the light direction of each LEDs is all vertical with the substrate at its place, form a three-dimensional structure of arrays, to obtain extensively light uniformly, solve the problem of light angle deficiency, its shortcoming is that manufacturing cost height, assembling difficulty and workmanship are wayward, and under the situation of LED number, can't obtain big light angle for a few number.In addition, must provide efficiently radiates heat simultaneously owing to be provided with the matrix of more described LED, so the side of described matrix is groove design, so that LED can't be located on the side of described matrix, thereby the light that LED produces can't shine out from described LED bulb side effectively.
In addition, the LED beans lamp of known general being seen pins type on the market, the pin that it had is elongated shape more, by being connected a plurality of LED beans lamps to form the design of multi-angle bright dipping, often can't provide firmly and comparatively reliable structure.Simultaneously, with the pin of the more described LED beans of recessed folding lamp to different azimuth to reach the design of multi-angle bright dipping, its overall structure stability will be reduced, and the linking between a plurality of pin produces because of the design between pin or distance are improper when also causing current flowing short circuit and safe on problem.
The novel patent of TaiWan, China proposes a kind of lighting device M340562 number, it is at the single surface configuration forward LED of substrate, and the dual side-edge edge on described single surface disposes side direction LED to increase overall brightness, yet, its design only is provided with forward and side direction LED on the single surface of substrate, and simultaneously in the opposed surface of the substrate that is provided with LED or the bottom of substrate is provided with drive circuit.Therefore, more described LED can't be comprehensively around described substrate so that light can be towards the top of substrate, below, left, right-hand, the place ahead and rear produce light extensively and uniformly.Simultaneously, this lighting device has drive circuit to drive more described LED, and described drive circuit is adjacent to opposite side or the bottom of those LED that need dispel the heat again, cause this lighting device that the heat radiation of LED and substrate can't effectively be provided, thereby it is overheated to cause, and makes this lighting device longevity and the low relatively shortcoming of reliability.
Therefore known LED bulb exists above-mentioned all inconvenience and problem.
Summary of the invention
Purpose of the present invention is to propose a kind of LED bulb that increases light angle and light direction.
Another object of the present invention is to propose the higher LED bulb of a kind of reliability.
A further object of the present invention is to propose a kind of LED bulb that hangs down manufacturing cost.
For achieving the above object, technical solution of the present invention is:
A kind of light emitting diode bulb is characterized in that comprising:
One bulb shell is provided with a chamber and a bulb shell opener;
One engagement collar is closed with described bulb shell joint, is provided with a bottom and a collar opening;
One lamp holder is provided with a lamp holder opening, and described lamp holder opening engages with described collar opening;
One stem engages with described bottom, is provided with one and extends to first end of described chamber and one second end that electrically connects with described lamp holder, and described first end comprises one first lead frame and one second lead frame;
At least one light-emitting diode light bar plate, be located on described first end, each described at least one light-emitting diode light bar plate has one first power pin and a second source pin, described first power pin engages with described first lead frame, and described second source pin engages with described second lead frame;
Wherein, each described at least one light-emitting diode light bar plate has a substrate, with a plurality of forward light emitting diodes and a plurality of side direction LED be located on the described substrate surface, described a plurality of forward light emitting diode has in fact perpendicular to the light direction of described substrate surface, and described a plurality of side direction LEDs have the light direction that is parallel to described substrate surface in fact.
Light emitting diode bulb of the present invention can also be further achieved by the following technical measures.
Aforesaid light emitting diode bulb, wherein said a plurality of side direction LEDs are around described a plurality of forward light emitting diodes.
Aforesaid light emitting diode bulb, wherein said a plurality of side direction LEDs are surrounded on the fringe region of described substrate surface, to reach luminous with respect to the upper and lower, left and right side direction of described light-emitting diodes lamp batten.
Aforesaid light emitting diode bulb, wherein said substrate comprise a two-sided circuit board.
Aforesaid light emitting diode bulb, wherein said double-sided PCB opposed surface is respectively equipped with the some of described a plurality of forward light emitting diodes and described a plurality of side direction LEDs, to reach luminous with respect to forward and backward direction of described light-emitting diodes lamp batten.
Aforesaid light emitting diode bulb, wherein said substrate comprises:
One first single face circuit board has two sides that first surface and second surface lay respectively at described first printed circuit board (PCB);
One second single face circuit board has two sides that the 3rd surface and the 4th surface lay respectively at described second printed circuit board (PCB), the described second and the 4th surface engagement;
Wherein, described first surface and described the 3rd surface are respectively equipped with the some of described a plurality of forward light emitting diodes and described a plurality of side direction LEDs.
Aforesaid light emitting diode bulb, comprise more that wherein one first conductive part and one second conducting position are on described substrate, described first and second conductive parts engage described first and second power pins respectively, and electrically connect described a plurality of forward light emitting diode and described a plurality of side direction LED.
Aforesaid light emitting diode bulb, wherein said first and second power pins are electrically connected to the not ipsilateral of first and second conductive parts of described substrate.
Aforesaid light emitting diode bulb, wherein said first and second power pins by welding, welding, conduction gummed or collude establish fixing, twine to set firmly to form with described first and second conductive parts respectively and electrically connect.
Aforesaid light emitting diode bulb comprises more that wherein a power control unit is electrically connected between second end of described lamp holder and described stem.
The distance that aforesaid light emitting diode bulb, wherein said first lead frame extend in the described chamber extends to distance in the described chamber greater than described second lead frame.
Aforesaid light emitting diode bulb comprises more that wherein a groove is arranged in described engagement collar, to engage fixing described bulb shell opener.
Aforesaid light emitting diode bulb, wherein said engagement collar is closed by gummed, hot fusion, pressing, close-fitting or the sealed and described bulb shell joint of spiral.
Aforesaid light emitting diode bulb, wherein said stem engages by gummed, hot fusion, pressing, close-fitting or the sealed and described bottom of spiral.
Aforesaid light emitting diode bulb, wherein said first and second power pins are fixed, are colluded to establish fixing or twine to set firmly to form with described first and second lead frames respectively and electrically connect by welding, conduction gummed.
Aforesaid light emitting diode bulb, wherein said first and second lead frame has a strip structure, is beneficial to pass described bulb shell opener.
Aforesaid light emitting diode bulb, wherein said lamp holder connects an external power source, the electric current that described external power source provided flow to described substrate from described lamp holder through described stem, so that described a plurality of forward light emitting diode and described a plurality of side direction LED are luminous.
Aforesaid light emitting diode bulb, wherein said external power source comprises an AC power.
Aforesaid light emitting diode bulb, wherein when the positive half period of described AC power, the part of described a plurality of forward light emitting diodes and described a plurality of side direction LEDs is lighted, and when the negative half-cycle of described AC power, another part of described a plurality of forward light emitting diodes and described a plurality of side direction LEDs is lighted.
Aforesaid light emitting diode bulb, described a plurality of forward light emitting diodes that the described a plurality of forward light emitting diodes that wherein said positive half period is lighted and the part of described a plurality of side direction LEDs and described negative half-cycle are lighted and another part of a plurality of side direction LEDs are arranged at respectively on the opposed surface of described substrate.
After adopting technique scheme, light emitting diode bulb of the present invention has the following advantages:
1. increase light angle and light direction, obtain illumination extensively and uniformly.
2. strengthen the integrally-built reliability of light emitting diode bulb and reduce manufacturing cost.
Description of drawings
Fig. 1 is the first embodiment schematic diagram of LED bulb of the present invention;
Fig. 2 is the exploded view of Fig. 1;
Fig. 3 is the circuit diagram of Fig. 1;
Fig. 4 is the second embodiment schematic diagram of LED bulb of the present invention;
Fig. 5 is the schematic diagram of LED lamp batten;
Fig. 6 is the skiagraph of Fig. 4;
Fig. 7 is the first embodiment schematic diagram of LED lamp batten;
Fig. 8 is the second embodiment schematic diagram of LED lamp batten.
The element numbers explanation
100 LED bulbs
110 bulb shells
112 chambers
114 necks
116 bulb shell openers
120,120 ' LED lamp batten
121,121 ' power pin
122,122 ' power pin
123 conductive parts
125 conductive parts
130 stems
131,132 lead frames
133 leads
134 front ends
135 leads
136 ends
140 engagement collar
142 bottoms
144 grooves
146 collar openings
150 lamp holders
152 tops
154 lamp holder openings
160 power control units
170 engagement medium
180 engagement medium
200 LED bulbs
210 LED groups
220 LED groups
230 external power sources
310 substrates
320 forward LED
330 side direction LED
342 light directions
352 light directions
360 upside light directions
361 right side light directions
362 downside light directions
363 left side light directions
364 back light directions
366 front light directions
410 double-sided PCBs
412 surfaces
414 surfaces
420 single face circuit boards
422 surfaces
424 surfaces
430 single face circuit boards
432 surfaces
434 surfaces.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof the present invention is illustrated further.
Now see also Fig. 1～Fig. 3, Fig. 1 is the first embodiment schematic diagram of LED bulb of the present invention, and Fig. 2 is the exploded view of Fig. 1, and Fig. 3 is the circuit diagram of Fig. 1.As shown in the figure, at described LED bulb 100, its neck 114 of bulb shell 110 mats engages with the groove 144 of engagement collar 140, for example engagement medium 170 (as viscose glue) is injected between groove 144 and the neck 114, be bonded together with the bulb shell opener 116 of sealed light cell-shell 110 and with engagement collar 140 and bulb shell 110, lamp holder 150 has lamp holder opening 154 and engages with the collar opening 146 of engagement collar 140, for example engage with close-fitting or adhesion system, and top 152 connects an external power source 230, stem 130 engages with the bottom 142 of engagement collar 140, for example engagement medium 180 (as viscose glue) is injected between bottom 142 and the stem 130, so that engagement collar 140 and stem 130 are bonded together, the front end 134 of stem 130 extends in the chamber 112 of bulb shell 110, front end 134 comprises lead frame 131,132, lead frame 131,132 with the power pin 121 of LED lamp batten 120,122 electrically connect, the end 136 of stem 130 electrically connects lamp holder 150, for example electrically connect lamp holder opening 154 by lead 133, and be connected to the top 152 of described lamp holder 150 through engagement collar 140 and power control unit 160 by lead 135, so that external power source 230 is supplied to stem 130.In the present embodiment, LED lamp batten 120 is positioned on the stem 130, by stem 130 LED lamp batten 120 is supported in the chamber 112, and external power source 230 is supplied to LED lamp batten 120 simultaneously.
In one embodiment, power control unit 160 comprises a step-down or pressure limiting assembly, and a resistance for example is controlled in the predetermined scope with the power supply size of the external power source 230 that will be supplied to LED lamp batten 120.Be understandable that look demands such as set LED quantity of LED lamp batten 120 and wattage, in another embodiment of the present invention, it also can use power control unit 160.
In different embodiment, engagement collar 140 engages with bulb shell 110 by gummed, hot fusion, pressing, close-fitting or spiral are sealed etc., engagement collar 140 engages with stem 130 by gummed, hot fusion, pressing, close-fitting or spiral are sealed etc., power pin 121,122 is fixed, is colluded to establish fixing or twine and set firmly etc. and lead frame 131,132 by welding, conduction gummed, electrically connects to form.
As shown in Figures 1 and 2, lead frame 131,132 is inserted in the chamber 112 via the bulb shell opener 116 of bulb shell 110, and the LED lamp batten 120 that will engage in the lump thereon is supported in the chamber 112.Lead frame 131,132 of the present invention preferably has the strip structure, as conductive wire or bonding jumper, make lead frame 131,132 have a structure or a body of being convenient to adjust itself size, insert in the bulb shell 110 of different size so that pass the bulb shell openers 116 of different sizes.The front end 134 of stem 130 extends outwardly to chamber 112, wherein the distance that extends in the chamber 112 of lead frame 131 extends to distance in the chamber 112 greater than lead frame 132, when an electric current when lamp holder 150 is supplied to stem 130, this electric current can flow into LED lamp batten 120 via lead frame 131, and through lead frame 132 outflows, perhaps flow into LED lamp batten 120, flow out through lead frame 131 again via lead frame 132.Be understandable that the variation of any lead frame 131,132 on its body is as bending or knuckle or be the alternate embodiment of the present invention that all belongs to such as hollow or solid.
In different embodiment, can adjust the quantity of LED lamp batten 120 according to the demand of using, increase the application elasticity of LED bulb 100.Fig. 4 is an another embodiment of the present invention, wherein LED bulb 200 comprises more than one LED lamp batten 120, for example comprise two LED lamp batten 120,120 ' adjacent settings, via corresponding power pin 121,122,121 ', 122 ' and lead frame 131,132 form and electrically connect.Being understandable that, the LED lamp batten 120 more than two is supported in the chamber 112 via stem 130, increase the brightness of LED bulb 200 by this, also is alternate embodiment of the present invention.Simultaneously, LED lamp batten 120,120 ' can be parallel with respect to each other. or each other side direction neighbour mode such as establish be arranged on the lead frame 131,132.In an embodiment, LED lamp batten 120,120 ' power pin 121,122,121 ', 122 ' via welding, conduction gummed fix, collude establish fixing, twine and the lead frame 131,132 that is engaged to corresponding stem 130 such as set firmly.
Fig. 5 is the schematic diagram of LED lamp batten 120, and Fig. 6 is the skiagraph of Fig. 5.With reference to figure 5 and 6, LED lamp batten 120 has the surface that a substrate 310 and a plurality of forward LED 320 and a plurality of side direction LED 330 are positioned at substrate 310, the light direction 342 of a plurality of forward LED 320 is perpendicular to the surface of substrate 310, the light direction 352 of a plurality of side direction LE D 330 is parallel to the surface of substrate 310, by the fringe region that side direction LED 330 is configured in substrate 310, and a plurality of forward LED 320 are configured on the surface of substrate 310, the fringe region that for example a plurality of side direction LED 330 are welded on substrate 310 makes a plurality of side direction LED 330 around substrate 310, and a plurality of forward LED 320 are welded on the zone line of substrate 310, make a plurality of side direction LED 330 around a plurality of forward LED 320, so that LED lamp batten 120 has the cubic bright dipping that is produced via a plurality of side direction LED 330 simultaneously, comprise upside light direction 360, downside light direction 362, left side light direction 363 and right side light direction 361, and the front light direction 366 that is produced via a plurality of forward LED 340 and the light of back light direction 364 (Fig. 6), reach the effect of many-sided bright dipping, structure with plane lamp batten reaches the purpose that increases light angle, obtains light extensively and uniformly.In the present embodiment, a plurality of forward LED 320 comprise bright dipping type surface adhesion LED, and a plurality of side direction LED 330 comprise side bright dipping type surface adhesion LED.
Refer again to Fig. 5, in one embodiment, substrate 310 comprises conductive part 123 and 125 electrically connecting a plurality of forward LED 320 and a plurality of side direction LED 330, and engages to form with power pin 121,122 and electrically connect.Wherein, conductive part 123,125 comprises conductive pad, and metal gasket for example is so that electric current flows to a plurality of forward LED 320 and a plurality of side direction LED 330 from power pin 121,122 through conductive part 123,125.In one embodiment, power pin 121,122 is electrically connected to the same side of conductive part 123,125.In another embodiment, power pin 121,122 is electrically connected to the not ipsilateral of conductive part 123,125 respectively.In addition, described power pin 121,122 is via welding, welding, conduction gummed or collude and establish, sealed etc. be engaged to conductive part 123,125, to provide or to form electric connection.Thus, electric current can flow to a plurality of forward LED 320 and a plurality of side direction LED 330 through conductive part 123 from power pin 121, and flow out from power pin 122 through conductive part 125, perhaps described electric current flows in the opposite direction, flow to a plurality of forward LED 320 and a plurality of side direction LED 330 from power pin 122 through conductive part 125, and flow out from power pin 121 through conductive part 122, provide safer and framework and design comparatively reliably.
As shown in Figure 7, in one embodiment, substrate 310 among Fig. 5 comprises double-sided PCB 410, opposite two side surfaces 412,414 of double-sided PCB 410 are respectively equipped with the some of a plurality of forward LED 320 and a plurality of side direction LED 330, the some of for example a plurality of forward LED 320 and a plurality of side direction LED 330 is configured in surface 412, and another of a plurality of forward LED320 and a plurality of side direction LED 330 partly be configured in surface 414 and exist, and wherein double-sided PCB 410 comprises hard circuit board or flexible circuit board.As shown in Figure 8, in another embodiment, substrate 310 among Fig. 5 comprises that single face circuit board 420 has surface 422,424 lay respectively at two sides of single face circuit board 420, and single face circuit board 430 has surface 432,434 lay respectively at two sides of single face circuit board 430, the some of a plurality of forward LED 320 and a plurality of side direction LED 330 is configured on the surface 422 of single face circuit board 420, another of a plurality of forward LED 320 and a plurality of side direction LED 330 partly is configured on the surface 434 of single face circuit board 430, the surface 424 of single-clad board 420 engages with the surface 432 of single-clad board 430, and wherein the single face circuit board 420,430 comprise hard circuit board or flexible circuit board.Be understandable that in different embodiment, a plurality of forward LED 320 are disposed on the surface 422 of single face circuit board 420, and a plurality of side direction LED 330 is disposed on the surface 434 of single face circuit board 430.
With reference to figure 5, configure a plurality of side direction LED 330 that light direction 352 is parallel to substrate 310 surfaces by fringe region at substrate 310, reach the effect of side direction bright dipping, make LED lamp batten 120 multi-direction bright dipping produce light extensively and uniformly, even under the less situation of LED number, also can produce big light angle, therefore can adjust the size of substrate 310 and the number of a plurality of forward LED 320 and a plurality of side direction LED 330 on demand, make LED lamp batten 120 be applicable to the bulb of different size, for example lamp holder is of a size of E 10/E 12, E 14/E 17, E 26/E27, the bulb of B 15/B 22 and GU-10 is used elasticity to increase.The present invention engages LED lamp batten 120 light sources as the LED bulb that LED constitutes by surface adhesion LED or circuit board, compared to the LED beans lamp with pins type is the LED bulb or the design of light source, the present invention obviously has the firm relatively and safer advantage of Current Control of structure, simultaneously, because surface adhesion LED has last bright dipping and two kinds of patterns of side bright dipping, and the LED beans light fixture compared to pins type has high efficiency, high-quality, characteristics such as low cost and simple element, so the present invention has multi-direction luminous, high efficiency, high-quality, characteristics such as low cost and simple element.In addition, the size of surface adhesion LED, can make the size variation of LED bulb, and effectively reduce manufacturing cost when constituting LED lamp batten 120 with surface adhesion LED less than the size of pins type LED beans lamp.
With reference to figure 1, Fig. 3 and Fig. 5, a plurality of forward LED 320 on the LED lamp batten 120 and a plurality of side direction LED 330 electrically connect and form LED group 210 and LED group 220, LED in each LED group 210 and 220 connects with identical electric polarity direction, its connected mode comprises series connection, parallel connection or its combination, LED group 210 and 220 is connected in parallel to external power source 230 with opposite electric polarity, external power source 230 is after power control unit 160 pressure limitings or step-down, the size of external power source 230 is controlled in the scope of being scheduled to, and mat stem 130 is through power pin 121,122 and conductive part 123,125 are supplied to a plurality of forward LED 320 and a plurality of side direction LED 330, luminous to drive a plurality of forward LED 320 and a plurality of side direction LED 330.In one embodiment, external power source 230 comprises an AC power, when described AC power is positive half period, the part of a plurality of forward LED 320 and a plurality of side direction LED 330 is lighted, when described AC power is negative half-cycle, another part of a plurality of forward LED 320 and a plurality of side direction LED 330 is lighted, for example described AC power be positive half period during, LED group 210 is lighted, described AC power be negative half-cycle during, LED group 220 is lighted, and makes LED group 210 and LED group 220 alternately luminous, produces extensively uniformly big light angle light.In one embodiment, LED group 210 comprises a plurality of forward LED 320 and a plurality of side direction LED 330 of a side surface that is positioned at substrate 310, and LED group 220 comprises a plurality of forward LED320 and a plurality of side direction LED330 on the opposite side surface that is positioned at substrate 310, makes LED lamp batten 120 2 top-cross for luminous.In another embodiment, LED group 210 comprises a plurality of forward LED320 and a plurality of side direction LED 330 that is configured in substrate 310 first halves, and LED group 220 comprises a plurality of forward LED 320 and a plurality of side direction LED 330 that is configured in substrate 310 Lower Halves, make LED lamp batten 120 alternatively up and down luminous, perhaps LED group 210 comprises a plurality of forward LED 320 that are configured on the substrate 310, and LED group 220 comprises a plurality of side direction LED 330 that are configured on the substrate 310.
Similarly, when LED bulb 100 comprises a plurality of LED lamp batten 120, the a plurality of forward LED 320 and a plurality of side direction LED 330 that are configured on a plurality of LED lamp battens 120 electrically connect formation LED group 210 and LED group 220, shown in Fig. 3-5, in one embodiment, LED group 210 comprises a plurality of forward LED320 and a plurality of side direction LED 330 that is configured on the LED lamp batten 120, and LED group 220 comprises a plurality of forward LED 320 and a plurality of side direction LED 330 that is configured on the LED lamp batten 120 ', makes LED lamp batten 120,120 ' is alternately luminous.In another embodiment, LED group 210 comprises a plurality of forward LED 320 that are configured on the LED lamp batten 120,120 ', and LED group 220 comprises a plurality of side direction LED 330 that are configured on the LED lamp batten 120,120 '.
Light emitting diode bulb of the present invention reaches the purpose that increases LED bulb light angle with planar configuration, compare known fearness and increase light angle with three-dimensional array structure, the present invention has simple element, assembling and reaches the quality advantages of higher easily, low cost of manufacture significantly, in addition, in use, even the LED fault of minority wherein, described LED bulb still can normal operation, has economic benefit.
In addition, the lead frame of light emitting diode bulb of the present invention is except supporting LED lamp batten, also simultaneously external power source is supplied to LED lamp batten, therefore its framework also can adopt the general bulb specification framework setting of standard, with with existing bulb glass body and Edison's lamp holder compatibility, in addition, a plurality of LED that are configured on the LED lamp batten electrically connect two LED groups of formation, and described two LED groups are connected in parallel to external power source with opposite electric polarity.When described external power source is AC power, be controlled in the preset range by the size of power control unit described AC power, make described two LED groups alternately luminous with direct driving LED lamp batten, perhaps adjust LED lamp batten set LED quantity and wattage, directly make described two LED groups alternately luminous with described AC power driving LED lamp batten, to omit described power control unit, therefore, need not any current converter (changeing galvanic converter), reach LED bulb cheaply so that high reliability and member safety further to be provided as alternating current.
Above embodiment is only for the usefulness that the present invention is described, but not limitation of the present invention, person skilled in the relevant technique under the situation that does not break away from the spirit and scope of the present invention, can also be made various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (20)
1. light emitting diode bulb is characterized in that comprising:
One bulb shell is provided with a chamber and a bulb shell opener;
One engagement collar is closed with described bulb shell joint, is provided with a bottom and a collar opening;
One lamp holder is provided with a lamp holder opening, and described lamp holder opening engages with described collar opening;
One stem engages with described bottom, is provided with one and extends to first end of described chamber and one second end that electrically connects with described lamp holder, and described first end comprises one first lead frame and one second lead frame;
At least one light-emitting diode light bar plate, be located on described first end, each described at least one light-emitting diode light bar plate has one first power pin and a second source pin, described first power pin engages with described first lead frame, and described second source pin engages with described second lead frame;
Wherein, each described at least one light-emitting diode light bar plate has a substrate, with a plurality of forward light emitting diodes and a plurality of side direction LED be located on the described substrate surface, described a plurality of forward light emitting diode has the light direction perpendicular to described substrate surface, and described a plurality of side direction LEDs have the light direction that is parallel to described substrate surface.
2. light emitting diode bulb as claimed in claim 1 is characterized in that, described a plurality of side direction LEDs are around described a plurality of forward light emitting diodes.
3. light emitting diode bulb as claimed in claim 2 is characterized in that described a plurality of side direction LEDs are surrounded on the fringe region of described substrate surface, to reach luminous with respect to the upper and lower, left and right side direction of described light-emitting diodes lamp batten.
4. light emitting diode bulb as claimed in claim 1 is characterized in that, described substrate comprises a two-sided circuit board.
5. light emitting diode bulb as claimed in claim 4, it is characterized in that, described double-sided PCB opposed surface is respectively equipped with the some of described a plurality of forward light emitting diodes and described a plurality of side direction LEDs, to reach luminous with respect to forward and backward direction of described light-emitting diodes lamp batten.
6. light emitting diode bulb as claimed in claim 1 is characterized in that, described substrate comprises:
One first single face circuit board has two sides that first surface and second surface lay respectively at described first printed circuit board (PCB);
One second single face circuit board has two sides that the 3rd surface and the 4th surface lay respectively at described second printed circuit board (PCB), the described second and the 4th surface engagement;
Wherein, described first surface and described the 3rd surface are respectively equipped with the some of described a plurality of forward light emitting diodes and described a plurality of side direction LEDs.
7. light emitting diode bulb as claimed in claim 1, it is characterized in that, comprise that more one first conductive part and one second conducting position are on described substrate, described first and second conductive parts engage described first and second power pins respectively, and electrically connect described a plurality of forward light emitting diode and described a plurality of side direction LED.
8. light emitting diode bulb as claimed in claim 7 is characterized in that, described first and second power pins are electrically connected to the not ipsilateral of first and second conductive parts of described substrate.
9. light emitting diode bulb as claimed in claim 7 is characterized in that, described first and second power pins by welding, welding, conduction gummed or collude establish fixing, twine to set firmly to form with described first and second conductive parts respectively and electrically connect.
10. light emitting diode bulb as claimed in claim 1 is characterized in that, comprises that more a power control unit is electrically connected between second end of described lamp holder and described stem.
11. light emitting diode bulb as claimed in claim 1 is characterized in that, the distance that described first lead frame extends in the described chamber extends to distance in the described chamber greater than described second lead frame.
12. light emitting diode bulb as claimed in claim 1 is characterized in that, comprises that more a groove is arranged in described engagement collar, to engage fixing described bulb shell opener.
13. light emitting diode bulb as claimed in claim 1 is characterized in that, described engagement collar is closed by gummed, hot fusion, pressing, close-fitting or the sealed and described bulb shell joint of spiral.
14. light emitting diode bulb as claimed in claim 1 is characterized in that, described stem engages by gummed, hot fusion, pressing, close-fitting or the sealed and described bottom of spiral.
15. light emitting diode bulb as claimed in claim 1 is characterized in that, described first and second power pins are fixed, are colluded to establish fixing or twine to set firmly to form with described first and second lead frames respectively and electrically connect by welding, conduction gummed.
16. light emitting diode bulb as claimed in claim 1 is characterized in that, described first and second lead frame has a strip structure, is beneficial to pass described bulb shell opener.
17. light emitting diode bulb as claimed in claim 1, it is characterized in that, described lamp holder connects an external power source, the electric current that described external power source provided flow to described substrate from described lamp holder through described stem, so that described a plurality of forward light emitting diode and described a plurality of side direction LED are luminous.
18. light emitting diode bulb as claimed in claim 17 is characterized in that, described external power source comprises an AC power.
19. light emitting diode bulb as claimed in claim 18, it is characterized in that, when the positive half period of described AC power, the part of described a plurality of forward light emitting diodes and described a plurality of side direction LEDs is lighted, and when the negative half-cycle of described AC power, another part of described a plurality of forward light emitting diodes and described a plurality of side direction LEDs is lighted.
20. light emitting diode bulb as claimed in claim 19, it is characterized in that described a plurality of forward light emitting diodes that the described a plurality of forward light emitting diodes that described positive half period is lighted and the part of described a plurality of side direction LEDs and described negative half-cycle are lighted and another part of a plurality of side direction LEDs are arranged at respectively on the opposed surface of described substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101405362A CN101876405A (en) | 2009-04-30 | 2009-04-30 | Light emitting diode bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101405362A CN101876405A (en) | 2009-04-30 | 2009-04-30 | Light emitting diode bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101876405A true CN101876405A (en) | 2010-11-03 |
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ID=43019028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101405362A Pending CN101876405A (en) | 2009-04-30 | 2009-04-30 | Light emitting diode bulb |
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| Country | Link |
|---|---|
| CN (1) | CN101876405A (en) |
Cited By (14)
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| CN102506336A (en) * | 2011-12-31 | 2012-06-20 | 苏州晶品光电科技有限公司 | Double-face light emergent slice type light emitting diode (LED) lamp |
| CN103307532A (en) * | 2013-06-07 | 2013-09-18 | 南京世彩光电有限公司 | Integrated ultrathin high-luminance omnibearing automotive LED outline marker lamp |
| CN103759144A (en) * | 2011-12-31 | 2014-04-30 | 苏州晶品光电科技有限公司 | Plane lamina-type LED lamp emitting light from both surfaces |
| CN103759145A (en) * | 2011-12-31 | 2014-04-30 | 苏州晶品光电科技有限公司 | LED (Light-Emitting Diode) lamp with fluorescent lamp cover |
| CN103794707A (en) * | 2014-02-09 | 2014-05-14 | 立达信绿色照明股份有限公司 | LED packaging structure and LED packaging method |
| CN104154449A (en) * | 2014-08-15 | 2014-11-19 | 浙江力胜电子科技有限公司 | LED bulb lamp |
| CN104215028A (en) * | 2014-09-05 | 2014-12-17 | 浙江占字光电股份有限公司 | LED (Light Emitting Diode) lamp for refrigerator |
| CN104633506A (en) * | 2015-03-10 | 2015-05-20 | 上海顿格电子贸易有限公司 | Forward-lateral all-angle illumination high-power LED (Light Emitting Diode) lamp bulb |
| US9345073B1 (en) | 2015-01-29 | 2016-05-17 | Lediamond Opto Corporation | Light emitting diode bulb |
| EP2672166A3 (en) * | 2010-11-04 | 2017-08-02 | Panasonic Intellectual Property Management Co., Ltd. | Light bulb shaped lamp and lighting apparatus |
| CN103857434B (en) * | 2011-06-28 | 2017-11-24 | 费雪派克医疗保健有限公司 | Improved medical tube |
| CN107448790A (en) * | 2017-06-19 | 2017-12-08 | 浙江中宙光电股份有限公司 | A kind of LED light bar lamp |
| EP3614037A4 (en) * | 2018-07-12 | 2020-04-22 | Cao, Dengming | Light for decorative lighting, light string, and light string display state control method |
| CN113915541A (en) * | 2021-09-24 | 2022-01-11 | 深圳市兰谱芯科技有限公司 | Bulb and lamp string composed of same |
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| US6523978B1 (en) * | 2000-10-27 | 2003-02-25 | Shining Blick Enterprises Co., Ltd. | Lamp bulb with stretchable lamp beads therein |
| JP2004296245A (en) * | 2003-03-26 | 2004-10-21 | Matsushita Electric Works Ltd | Led lamp |
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| DE10029069A1 (en) * | 2000-06-13 | 2002-01-10 | Osram Opto Semiconductors Gmbh | Lamp, lamp arrangement and use of lamp employs LEDs as light source interchangeable with standard filament lamps |
| US6523978B1 (en) * | 2000-10-27 | 2003-02-25 | Shining Blick Enterprises Co., Ltd. | Lamp bulb with stretchable lamp beads therein |
| JP2004296245A (en) * | 2003-03-26 | 2004-10-21 | Matsushita Electric Works Ltd | Led lamp |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2672166A3 (en) * | 2010-11-04 | 2017-08-02 | Panasonic Intellectual Property Management Co., Ltd. | Light bulb shaped lamp and lighting apparatus |
| CN103857434B (en) * | 2011-06-28 | 2017-11-24 | 费雪派克医疗保健有限公司 | Improved medical tube |
| CN103759144A (en) * | 2011-12-31 | 2014-04-30 | 苏州晶品光电科技有限公司 | Plane lamina-type LED lamp emitting light from both surfaces |
| CN103759145A (en) * | 2011-12-31 | 2014-04-30 | 苏州晶品光电科技有限公司 | LED (Light-Emitting Diode) lamp with fluorescent lamp cover |
| CN102506336A (en) * | 2011-12-31 | 2012-06-20 | 苏州晶品光电科技有限公司 | Double-face light emergent slice type light emitting diode (LED) lamp |
| CN103307532A (en) * | 2013-06-07 | 2013-09-18 | 南京世彩光电有限公司 | Integrated ultrathin high-luminance omnibearing automotive LED outline marker lamp |
| CN103307532B (en) * | 2013-06-07 | 2016-06-29 | 南京世彩光电有限公司 | The integration comprehensive automobile-used LED clearance lamps of Ultrathin high-brightness degree |
| CN103794707A (en) * | 2014-02-09 | 2014-05-14 | 立达信绿色照明股份有限公司 | LED packaging structure and LED packaging method |
| CN103794707B (en) * | 2014-02-09 | 2018-06-05 | 漳州立达信光电子科技有限公司 | LED encapsulation structure and LED encapsulation method |
| CN104154449A (en) * | 2014-08-15 | 2014-11-19 | 浙江力胜电子科技有限公司 | LED bulb lamp |
| CN104215028A (en) * | 2014-09-05 | 2014-12-17 | 浙江占字光电股份有限公司 | LED (Light Emitting Diode) lamp for refrigerator |
| US9345073B1 (en) | 2015-01-29 | 2016-05-17 | Lediamond Opto Corporation | Light emitting diode bulb |
| CN104633506A (en) * | 2015-03-10 | 2015-05-20 | 上海顿格电子贸易有限公司 | Forward-lateral all-angle illumination high-power LED (Light Emitting Diode) lamp bulb |
| CN107448790A (en) * | 2017-06-19 | 2017-12-08 | 浙江中宙光电股份有限公司 | A kind of LED light bar lamp |
| CN114294575A (en) * | 2017-06-19 | 2022-04-08 | 浙江中宙光电股份有限公司 | LED lamp strip lamp |
| EP3614037A4 (en) * | 2018-07-12 | 2020-04-22 | Cao, Dengming | Light for decorative lighting, light string, and light string display state control method |
| CN113915541A (en) * | 2021-09-24 | 2022-01-11 | 深圳市兰谱芯科技有限公司 | Bulb and lamp string composed of same |
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Application publication date: 20101103 |