CN101860998A - Alternating current light-emitting device - Google Patents
Alternating current light-emitting device Download PDFInfo
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- CN101860998A CN101860998A CN200910057030A CN200910057030A CN101860998A CN 101860998 A CN101860998 A CN 101860998A CN 200910057030 A CN200910057030 A CN 200910057030A CN 200910057030 A CN200910057030 A CN 200910057030A CN 101860998 A CN101860998 A CN 101860998A
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Abstract
The invention discloses an alternating current (AC) light-emitting device. The device comprises a substrate and a plurality of light-emitting units, wherein the light-emitting units are arranged on the substrate, each light-emitting unit contains a first semiconductor layer, a luminous layer and a second semiconductor layer from bottom to top, at least one first electrode and second electrode are separately arranged on the first semiconductor layer and the second semiconductor layer, and each light-emitting unit is coupled with at least one adjacent light-emitting unit through a wire. As the light-emitting device has a plurality of light-emitting units and each light-emitting unit is coupled with at least one adjacent light-emitting unit through a wire, the problem that as one wire is broken, the AC light-emitting device is open can be avoided.
Description
Technical field
The present invention relates to a kind of light-emitting device, especially a kind of AC illuminator.
Background technology
Light-emitting diode (Light Emitting Diode; LED) be by the made luminescence component of semi-conducting material, assembly has between two electrodes and applies voltage, feed minimum electric current, excite with the form of light in the dump energy of luminescent layer combination via the electron hole and disengage, the basic principle of luminosity of Here it is light-emitting diode.Light-emitting diode is different from general incandescent lamp bulb, light-emitting diode belongs to chemiluminescence, have that power consumption is low, assembly life-span is long, need not warm up advantages such as lamp time and reaction speed be fast, add that its volume is little, vibration resistance, be fit to volume production, demand on the fit applications is made the assembly of minimum or array easily, light-emitting diode generally is used on the indicating device and display unit of information, communication and consumption electronic products at present, becomes significant components indispensable in the daily life.But the power supply that general civil power is supplied is an AC power, need when therefore using optoelectronic semiconductor earlier AC power to be converted to DC power supply, so the drive circuit of optoelectronic semiconductor must add interchange to DC converting circuit, cause manufacturing cost to increase, and AC power converts the influence that is subjected to power loss in the process of DC power supply to, can cause the operating efficiency of optoelectronic semiconductor to reduce, therefore, directly use the development of the optoelectronic semiconductor of AC power driving that its necessity is arranged, for example: the AC illuminator of a plurality of luminescence units of tool.
See also Figure 1A and Figure 1B, be depicted as the floor map and the circuit diagram of existing AC illuminator.As shown in the figure, existing AC illuminator 10 comprises a substrate 12, first light emitting module 14 and second light emitting module 16, one first electrode 122 and one second electrode 124 are set on the substrate 12, first light emitting module 14 and second light emitting module 16 also are arranged on the substrate 12, first light emitting module 14 and second light emitting module 16 couple first electrode 122 and second electrode 124 respectively, first light emitting module 14 comprises a plurality of first luminescence units 142, and be electrically connected by 144 series connection of one first lead respectively between these a plurality of first luminescence units 142, second light emitting module 16 is to comprise a plurality of second luminescence units 162, and be electrically connected by 164 series connection of one second lead respectively between these a plurality of second luminescence units 162, these a plurality of first luminescence units 142 equate with the area of these a plurality of second luminescence units 162, but the series connection polarity between these a plurality of first luminescence units 142 is different from the series connection polarity between these a plurality of second luminescence units 162, circuit diagram after therefore existing AC illuminator 10 is simplified is promptly shown in Figure 1B, first light emitting module 14 is opposite with series connection polarity between second light emitting module 16, and is coupled to AC power 18.Existing AC illuminator 10 is by series connection opposite polarity first light emitting module 14 and second light emitting module 16, makes a plurality of second luminescence units 162 of a plurality of first luminescence units 142 of first light emitting module 14 and second light emitting module 16 alternately luminous in the positive and negative half wave cycles of the alternating current that AC power 18 is supplied.
Yet, a plurality of first luminescence units 142 of first light emitting module 14 and a plurality of second luminescence units 162 of second light emitting module 16 respectively occupy half area of substrate 12, therefore existing AC illuminator 10 respectively the light-emitting area in the positive and negative half wave cycles of alternating current have only half, so the light-emitting area that existing AC illuminator 10 is provided because of first light emitting module 14 and second light emitting module 16 only can provide existing AC illuminator 10 original luminous efficiencies half, and a plurality of first luminescence units 142 of existing AC illuminator 10 all only utilize a lead 144 with a plurality of second luminescence units 162,164 make electric power polarity couple mutually with adjacent luminescence unit, therefore when lead 144, during wherein conductor cord disconnection of 164, open circuit can take place and can't be luminous in first light emitting module 14 of existing AC illuminator 10 and one of them of second light emitting module 16, thereby causes the existing AC illuminator 10 only can be luminous in one of them cycle of positive and negative half wave cycles.
At above-mentioned light-emitting area problem, publication number is WO2007083885, name is called the pct international patent application open file of " LIGHT EMITTING DEVICE WITH LIGHT EMITTING CELLS ARRAYED ", light-emitting device in one is disclosed, comprise a substrate, a luminescent grain array and a rectification circuit, rectification circuit and luminescent grain array are arranged on the substrate, and rectification circuit is surrounded on the outside of luminescent grain array, wherein rectification circuit comprises a plurality of diodes, the luminescent grain array comprises a plurality of luminescent grains, and couple mutually by plain conductor series connection polarity between these a plurality of luminescent crystals, but rectification circuit has used the circuit area of substrate peripheral, so rectification circuit has limited the efficient lighting area of this light-emitting device, and these a plurality of diodes are electrically to couple mutually by the plain conductor series connection, so during wherein conductor cord disconnection of this light-emitting device, one of them of rectification circuit or luminescent grain array can be open-circuit condition, and cause rectification circuit or luminescent grain array one of them can't operate.
Summary of the invention
Technical problem to be solved by this invention provides a kind of AC illuminator, and it utilizes many leads that luminescence unit is electrically coupled mutually with adjacent luminescence unit, to avoid wherein a conductor cord disconnection and form open circuit.
Another technical problem to be solved by this invention provides a kind of AC illuminator, and it utilizes the luminescence unit of different area to be arranged on the substrate, to improve luminous efficiency.
The present invention is a kind of AC illuminator, it comprises a substrate, a plurality of luminescence unit, wherein these a plurality of luminescence units all are arranged on the substrate, these a plurality of luminescence units from bottom to top comprise one first semiconductor layer, a luminescent layer and one second semiconductor layer, and at least one first electrode and at least one second electrode be provided with respectively on first semiconductor layer and second semiconductor layer, and these a plurality of first luminescence units couple at least one adjacent this luminescence unit by many leads respectively with these a plurality of second luminescence units.Because all luminescence units of the present invention all couple adjacent luminescence unit by a bar lead, during wherein conductor cord disconnection of AC illuminator of the present invention like this, can't form open circuit, make AC illuminator of the present invention still can continue running.In addition, the present invention more can increase light-emitting area by the luminescence unit of different area.
A kind of AC illuminator provided by the present invention, it utilizes the luminescence unit of different area size to be arranged on the substrate, and increase efficient lighting area and improve luminous efficacy, and utilize many leads to make to couple between a plurality of luminescence units adjacent luminescence unit, to avoid wherein a conductor cord disconnection and form open circuit.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and Examples:
Figure 1A is the vertical view of existing AC illuminator;
Figure 1B is the circuit diagram of existing AC illuminator;
Fig. 2 A is the vertical view of the AC illuminator of one embodiment of the present of invention;
Fig. 2 B is the structural representation of the AC illuminator of one embodiment of the present of invention;
Fig. 2 C is the structural representation of the AC illuminator of one embodiment of the present of invention;
Fig. 2 D is the structural representation of the AC illuminator of one embodiment of the present of invention;
Fig. 2 E is the structural representation of the AC illuminator of one embodiment of the present of invention;
Fig. 3 A is the vertical view of the AC illuminator of an alternative embodiment of the invention;
Fig. 3 B is the structural representation of the AC illuminator of one embodiment of the present of invention;
Fig. 3 C is the structural representation of the AC illuminator of one embodiment of the present of invention.
Reference numeral is among the figure,
1 is existing AC illuminator; 12 is substrate; 14 is first light emitting module;
142 is first luminescence unit; 16 is second light emitting module; 162 is second luminescence unit;
18 is AC power; 20 is AC illuminator; 22 is substrate;
24 is first luminescence unit; 242 is first semiconductor layer; 244 is first luminescent layer;
246 is second semiconductor layer; 248 is first electrode; 250 is second electrode;
26 is second luminescence unit; 262 is the 3rd semiconductor layer; 264 is second luminescent layer;
266 is the 4th semiconductor layer; 268 is third electrode; 270 is the 4th electrode;
28 is lead; 281 is first lead; 282 is second lead;
30 is bridge rectifier; 32 is the semiconductor epitaxial layer; 322 is the 5th semiconductor layer;
324 is the 3rd luminescent layer; 326 is the 6th semiconductor layer; 328 is the 5th electrode;
330 is the 6th electrode.
Embodiment
See also Fig. 2 A to Fig. 2 C, be depicted as the vertical view and the structural representation of the AC illuminator of one embodiment of the present of invention.Shown in Fig. 2 A, present embodiment is an AC illuminator 20, it comprises a substrate 22, a plurality of first luminescence units 24, a plurality of second luminescence units 26 and many leads 28, these a plurality of first luminescence units 24 are arranged at respectively on the substrate 22 with these a plurality of second luminescence units 26, and these a plurality of first luminescence units 24 are inequality with the area of a plurality of second luminescence units 26, wherein a plurality of first luminescence units 24 of this of present embodiment are the semiconductor epitaxial layer with these a plurality of second luminescence units 26, and these a plurality of first luminescence units 24 couple adjacent luminescence unit by first lead 281 and second lead 282 of many leads 28 respectively, and these a plurality of second luminescence units 26 also couple adjacent luminescence unit by first lead 281 and second lead 282 of a plurality of leads 28 respectively, and a plurality of first luminescence units 24 of present embodiment are coupled to adjacent luminescence unit with a plurality of second luminescence units 26 by many leads 28.
Shown in Fig. 2 B, first luminescence unit 24 and second luminescence unit 26, wherein first luminescence unit 24 from bottom to top comprises one first semiconductor layer 242, one first luminescent layer 244 and one second semiconductor layer 246, because second semiconductor layer 246 is arranged on first luminescent layer 244, so first luminescence unit 24 only can be seen first semiconductor layer 242 and second semiconductor layer 246 in overlooking the visual angle, it is shown in Fig. 2 A, first semiconductor layer 242 and second semiconductor layer 246 are provided with one first electrode 248 and one second electrode 250, the first electrode 248 and second electrode 250 respectively and are coupled to adjacent luminescence unit by first lead 281 and second lead 282 of many leads 28 respectively.Shown in Fig. 2 C, second luminescence unit 26 from bottom to top comprises one the 3rd semiconductor layer 262, one second luminescent layer 264 and one the 4th semiconductor layer 266, because the 4th semiconductor layer 266 is arranged on second luminescent layer 264, so second luminescence unit 26 only can be seen the 3rd semiconductor layer 262 and the 4th semiconductor layer 266 in overlooking the visual angle, it is shown in Fig. 2 A, the 3rd semiconductor layer 262 and the 4th semiconductor layer 266 are provided with a third electrode 268 and one the 4th electrode 270 respectively, and third electrode 268 and the 4th electrode 270 are coupled to adjacent luminescence unit by first lead 281 and second lead 282 of many leads 28.
Consult Fig. 2 A again, according to the set position of first luminescence unit 24, what make many leads 28 couples direction for horizontal and vertical, also therefore lead 28 couple direction also along with the difference that the position is set of first luminescence unit 24, couple direction and change, the direction that couples that causes the lead 28 of first luminescence unit 24 to be coupled to adjacent luminescence unit has same direction and different directions is also arranged, and shown in Fig. 2 B, first semiconductor layer 242 or the 3rd semiconductor layer 262 that second semiconductor layer 246 that first luminescence unit 24 is coupled to adjacent luminescence unit by first lead 281 and second lead 282 of first semiconductor layer 242 by many leads 28 or the 4th semiconductor layer 266, the first luminescence units 24 also are coupled to adjacent luminescence unit by first lead 281 and second lead 282 of second semiconductor layer 246 by many leads 28; In like manner, the direction that couples that first lead 281 of the many leads 28 of second luminescence unit 26 and second lead 282 are coupled to adjacent luminescence unit also has same direction and different directions, and shown in Fig. 2 C, first semiconductor layer 242 or the 3rd semiconductor layer 262 that second semiconductor layer 246 that second luminescence unit 26 is coupled to adjacent luminescence unit by first lead 281 and second lead 282 of the 3rd semiconductor layer 262 by many leads 28 or the 4th semiconductor layer 266, the second luminescence units 26 also are coupled to adjacent luminescence unit by first lead 281 and second lead 282 of the 4th semiconductor layer 266 by many leads 28.In addition, the coupling mode of many leads 28 can be coupled in parallel or non-parallel coupling.
Because first luminescence unit 24 of the present invention is different with the area of second luminescence unit 26, being beneficial to first luminescence unit 24 and second luminescence unit 26 increases the area that is provided with of luminescence unit on substrate 22, and first luminescence unit 24 is beneficial to be provided with lead by different geometric second semiconductor layers.Because luminescence unit 24 of the present invention, 26 respectively first lead 281 and second lead 282 by many leads 28 be coupled to adjacent luminescence unit, so during wherein conductor cord disconnection of these many leads 28, can't form open circuit in the circuit of AC illuminator 20, but therefore AC illuminator 20 of the present invention still normal operation when wherein conductor cord disconnection of these many leads 28, and be not subjected to the influence of conductor cord disconnection, and because of luminescence unit 24 of the present invention, 26 respectively first lead 281 and second lead 282 by many leads 28 be coupled to adjacent luminescence unit, so the current flow between the luminescence unit of AC illuminator 20 is along with the lead number improves.
In addition, present embodiment also comprises a bridge rectifier 30, it is arranged on the substrate 22, wherein bridge-type bridge rectifier 30 comprises a plurality of semiconductor epitaxial layers 32, these a plurality of semiconductor epitaxial layers 32 can be a plurality of the 3rd luminescence units or a plurality of diode, if these a plurality of semiconductor epitaxial layers 32 are the 3rd luminescence unit, then semiconductor epitaxial layer 32 from bottom to top is one the 5th semiconductor layer 322, one the 3rd luminescent layer 324 and one the 6th semiconductor layer 326, wherein on the 5th semiconductor layer 322 and the 6th semiconductor layer 326 one the 5th electrode 328 and one the 6th electrode 330 are set more respectively, shown in Fig. 2 D, if these a plurality of semiconductor epitaxial layers 32 are a plurality of diodes, then semiconductor epitaxial layer 32 from bottom to top is one the 5th semiconductor layer 322 and one the 6th semiconductor layer 326, wherein on the 5th semiconductor layer 322 and the 6th semiconductor layer 326 one the 5th electrode 328 and one the 6th electrode 330 are set more respectively, shown in Fig. 2 E.And the 5th semiconductor layer 322 and the 6th semiconductor layer 326 couple many leads 28 respectively, that is to say the 6th semiconductor layer 326 that semiconductor epitaxial layer 32 couples adjacent semiconductor epitaxial layer 32 with first lead 281 and second lead 282 of the 5th semiconductor layer 322 by many leads 28, and semiconductor epitaxial layer 32 the 5th semiconductor layer 322 that couples adjacent semiconductor epitaxial layer 32 with first lead 281 and second lead 282 of the 6th semiconductor layer 326 by many leads 28.Bridge rectifier of the present invention 30 like this also can be coupled between a plurality of semiconductor epitaxial layers 32 by first lead 281 and second lead 282 of many leads 28, makes bridge rectifier 30 also can avoid wherein a lead 28 broken strings and forms the problem of open circuit.Second luminescence unit 26 of present embodiment is coupled to bridge rectifier 30.
See also Fig. 3 A to Fig. 3 C, be depicted as the vertical view and the structural representation of the AC illuminator of one embodiment of the present of invention.Wherein one first semiconductor layer 242 of the different Fig. 2 of being A to Fig. 2 C of Fig. 2 A to Fig. 2 C and Fig. 3 A to Fig. 3 C and one the 3rd semiconductor layer 262 have one first electrode 248 respectively and a third electrode 268 couples many leads 28, and first semiconductor layer 242 of Fig. 3 A to Fig. 3 C and the 3rd semiconductor layer 262 have a plurality of first electrodes 248 and a plurality of third electrodes 268 respectively.As shown in Figure 3A, first luminescence unit 24 and second luminescence unit 26 are coupled to adjacent luminescence unit by many leads 28 respectively, and first luminescence unit 24 and second luminescence unit 26 have a plurality of first semiconductor layers 242 and a plurality of the 3rd semiconductor layers 262 respectively, to couple at least one lead 28 respectively, present embodiment has two first electrodes 248 respectively with first luminescence unit 24 and second luminescence unit 26 and two third electrodes 268 are example, but the quantity of not limiting to first electrode 248 and third electrode 268, and each of present embodiment first electrode 248 is provided with a lead 28 respectively with each third electrode 268, to couple adjacent luminescence unit, in addition, each first electrode 248 more can be provided with many leads 28 with each third electrode 268.
Shown in Fig. 3 B, each first electrode 248 of two first semiconductor layers 242 couples first lead 281 and second lead 282 respectively, and to be coupled to adjacent luminescence unit, all the other set-up modes are identical with Fig. 2 B, in addition, each first semiconductor layer 242 also can couple many leads 28 respectively.Shown in Fig. 3 C, each third electrode 268 of two the 3rd semiconductor layers 262 couples first lead 281 and second lead 282 respectively, and in addition, each the 3rd semiconductor layer 262 also can couple many leads 28 respectively.
Except the foregoing description, a plurality of first luminescence units 24 of AC illuminator 20 of the present invention more can be by connecting with a plurality of second luminescence units 26, in parallel, connection in series-parallel is coupled to an all-wave and exchanges transmitting apparatus or a bridge-type AC illuminator, that is to say AC illuminator 20 of the present invention connecting by a plurality of first luminescence units 24 and a plurality of second luminescence units 26, in parallel, connection in series-parallel couples, make AC illuminator 20 can not need to be provided with in addition bridge rectifier 30, and directly with alternating current as power supply and luminous, perhaps directly by part first luminescence unit 24 and part second luminescence unit 26 as bridge rectifier, so that the direct current that all the other luminescence units are exported with bridge rectifier is as power supply and luminous.
In addition, a plurality of first luminescence units 24 of the present invention more can have different geometric figures with these a plurality of second luminescence units 26, for example: rectangle, square, triangle, rhombus, trapezoidal, polygon, convex shape, concave shape or above-mentioned combination in any.A plurality of luminescence unit 24,26 of the present invention more can be had an equal area, to be arranged on the substrate 22.
In sum, the present invention is a kind of AC illuminator, it comprises a substrate, a plurality of first luminescence unit and a plurality of second luminescence unit, a plurality of first luminescence units and a plurality of second luminescence unit by different area make AC illuminator increase efficient lighting area, and the present invention is coupled between the luminescence unit by many leads, and luminescence unit is coupled to rectification circuit by many leads, also polarity is coupled mutually between the semiconductor epitaxial layer of rectification circuit in addition, and avoid a conductor cord disconnection wherein and produce the problem of open circuit by many leads.
More than, the present invention is had been described in detail, but these are not to be construed as limiting the invention by embodiment.Under the situation that does not break away from the principle of the invention, those skilled in the art can also make many distortion and improvement, and these also should be considered as protection scope of the present invention.
Claims (28)
1. an AC illuminator is characterized in that, comprises:
A substrate; And
A plurality of luminescence units, it comprises:
One first semiconductor layer, it is arranged on this substrate;
A luminescent layer, it is arranged on this first semiconductor layer; And
One second semiconductor layer, it is arranged on this luminescent layer;
Wherein, further comprise at least one first electrode and at least one second electrode, this first electrode is arranged on this first semiconductor layer, this second electrode is arranged on this second semiconductor layer, and this first electrode and this second electrode couple this adjacent luminescence unit by these many leads respectively.
2. AC illuminator according to claim 1 is characterized in that, these a plurality of luminescence unit tool equal area.
3. AC illuminator according to claim 1 is characterized in that, these a plurality of luminescence units have different area.
4. AC illuminator according to claim 1 is characterized in that, these a plurality of luminescence units are the semiconductor epitaxial layer.
5. AC illuminator according to claim 1 is characterized in that, these a plurality of first electrodes are arranged at respectively on first semiconductor layer, and each first electrode couples this adjacent luminescence unit by at least one this lead.
6. AC illuminator according to claim 1 is characterized in that, the identical direction that couples of many lead tools of this of these a plurality of luminescence units.
7. AC illuminator according to claim 6 is characterized in that, a plurality of first semiconductor layers of these a plurality of luminescence units couple one second semiconductor layer of this adjacent luminescence unit respectively with these many leads.
8. AC illuminator according to claim 6 is characterized in that, a plurality of second semiconductor layers of these a plurality of luminescence units couple one first semiconductor layer of this adjacent luminescence unit respectively with these many leads.
9. AC illuminator according to claim 1 is characterized in that, many lead tools of this of these a plurality of luminescence units difference couples direction.
10. AC illuminator according to claim 9 is characterized in that, a plurality of first semiconductor layers of these a plurality of luminescence units couple one second semiconductor layer of this adjacent luminescence unit respectively with these many leads.
11. AC illuminator according to claim 9 is characterized in that, a plurality of second semiconductor layers of these a plurality of luminescence units couple one first semiconductor layer of this adjacent luminescence unit respectively with these many leads.
12. AC illuminator according to claim 1 is characterized in that, the different geometric figures of these a plurality of luminescence unit tools.
13. AC illuminator according to claim 12 is characterized in that, this geometric figure is rectangle, square, triangle, rhombus, trapezoidal, polygon, convex shape, concave shape or above-mentioned combination in any.
14. AC illuminator according to claim 13 is characterized in that, these a plurality of luminescence unit tool equal area.
15. AC illuminator according to claim 13 is characterized in that, these a plurality of luminescence unit tool different area.
16. AC illuminator according to claim 1 is characterized in that, it is an all-wave AC illuminator that these a plurality of luminescence units mixing series connection polarity are joined.
17. AC illuminator according to claim 1 is characterized in that, it is an all-wave AC illuminator that these a plurality of luminescence units mix that polarity in parallel joins.
18. AC illuminator according to claim 1 is characterized in that, it is an all-wave AC illuminator that these a plurality of luminescence unit mixing connection in series-parallel polarity are joined.
19. AC illuminator according to claim 1 is characterized in that, it is a bridge-type AC illuminator that these a plurality of luminescence units mixing series connection polarity are joined.
20. AC illuminator according to claim 1 is characterized in that, it is a bridge-type AC illuminator that these a plurality of luminescence units mix that polarity in parallel joins.
21. AC illuminator according to claim 1 is characterized in that, it is a bridge-type AC illuminator that these a plurality of first luminescence unit mixing connection in series-parallel polarity are joined.
22. AC illuminator according to claim 1 is characterized in that, this AC illuminator more comprises a bridge rectifier.
23. AC illuminator according to claim 22 is characterized in that, this bridge rectifier comprises a plurality of semiconductor epitaxial layers.
24. AC illuminator according to claim 23, it is characterized in that, these a plurality of semiconductor epitaxial layers are a plurality of the 3rd luminescence units, it from bottom to top comprises one first semiconductor layer, a luminescent layer and one second semiconductor layer respectively, wherein, further comprise one first electrode and one second electrode, this first electrode is arranged at this first semiconductor layer, and this second electrode is arranged at this second semiconductor layer.
25. AC illuminator according to claim 23, it is characterized in that, these a plurality of semiconductor epitaxial layers are a plurality of diodes, it from bottom to top comprises one first semiconductor layer and one second semiconductor layer respectively, wherein, further comprise one first electrode and one second electrode, this first electrode is arranged at this first semiconductor layer, and this second electrode is arranged at this second semiconductor layer.
26. AC illuminator according to claim 1 is characterized in that, wherein at least two leads of these many leads couple this adjacent luminescence unit.
27. AC illuminator according to claim 1 is characterized in that, the coupling mode of these many leads is a coupled in parallel.
28. AC illuminator according to claim 1 is characterized in that, the coupling mode of these many leads is non-parallel coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910057030A CN101860998A (en) | 2009-04-07 | 2009-04-07 | Alternating current light-emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910057030A CN101860998A (en) | 2009-04-07 | 2009-04-07 | Alternating current light-emitting device |
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| CN101860998A true CN101860998A (en) | 2010-10-13 |
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| CN200910057030A Pending CN101860998A (en) | 2009-04-07 | 2009-04-07 | Alternating current light-emitting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102479796A (en) * | 2010-11-22 | 2012-05-30 | 晶元光电股份有限公司 | Rectifying unit, light emitting diode element and combination of light emitting diode elements |
| TWI451555B (en) * | 2010-10-25 | 2014-09-01 | Epistar Corp | A rectifying unit, a light emitting diode device and the combination thereof |
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| JPH11186662A (en) * | 1997-12-24 | 1999-07-09 | Toshiba Corp | Semiconductor laser device |
| CN1866532A (en) * | 2005-05-20 | 2006-11-22 | 财团法人工业技术研究院 | AC light emitting apparatus and manufacturing method thereof |
| CN101208813A (en) * | 2005-06-28 | 2008-06-25 | 首尔Opto仪器股份有限公司 | Light emitting device for AC power operation |
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- 2009-04-07 CN CN200910057030A patent/CN101860998A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11186662A (en) * | 1997-12-24 | 1999-07-09 | Toshiba Corp | Semiconductor laser device |
| CN1866532A (en) * | 2005-05-20 | 2006-11-22 | 财团法人工业技术研究院 | AC light emitting apparatus and manufacturing method thereof |
| CN101208813A (en) * | 2005-06-28 | 2008-06-25 | 首尔Opto仪器股份有限公司 | Light emitting device for AC power operation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI451555B (en) * | 2010-10-25 | 2014-09-01 | Epistar Corp | A rectifying unit, a light emitting diode device and the combination thereof |
| US9484493B2 (en) | 2010-10-25 | 2016-11-01 | Epistar Corporation | Rectifying unit, a light emitting diode device, and the combination thereof |
| CN102479796A (en) * | 2010-11-22 | 2012-05-30 | 晶元光电股份有限公司 | Rectifying unit, light emitting diode element and combination of light emitting diode elements |
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