CN105240703A - Manufacturing technology for bent LED filament and bulb with bent LED filament - Google Patents
Manufacturing technology for bent LED filament and bulb with bent LED filament Download PDFInfo
- Publication number
- CN105240703A CN105240703A CN201510712329.5A CN201510712329A CN105240703A CN 105240703 A CN105240703 A CN 105240703A CN 201510712329 A CN201510712329 A CN 201510712329A CN 105240703 A CN105240703 A CN 105240703A
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- Prior art keywords
- bulb
- led light
- emitting section
- curved
- curved led
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a manufacturing technology for a bent LED filament and a bulb with the bent LED filament. The manufacturing technology mainly includes the steps that a spiral circuit is mechanically carved on a flexible metal plate or a resin plate through a circuit carving machine, then crystallization is conducted on a front face and a back face, and crystallization is conducted on the upper side and the lower side of a flexible metal wire or a line-shaped resin wire; and secondly, a corresponding bent die is used for manufacturing the flexible metal wire or the line-shaped resin wire into a bent LED light-emitting bar. The invention further discloses a bulb with the bent LED filament. The bulb is internally connected with the bent LED light-emitting bar. The bent LED light-emitting bar can be conveniently produced, and all original lamp manufacturing devices can be used on the new technology at the same time. The manufactured LED bulb is higher in wattage and more even in brightness than a straight bar type LED filament, and the radiating effect of the LED bulb is good. The power output of the LED bulb in the same glass-bulb cavity can be improved, and the same effect can be achieved by the LED bulb like traditional 100w bulbs and 12w LED bulbs with the same color temperature (2400 k) as the traditional bulbs.
Description
Technical field
The present invention relates to LED illumination lamp field, particularly relate to a kind of curved LED vermicelli production technique and there is the bulb of curved LED silk.
Background technology
Along with popularizing of awareness of saving energy, the use of LED is day by day universal, and the LED silk of vertical bar type, because luminescence is even, thermal diffusivity is good, occupies increasing share in light fixture modelled after an antique, conventional field of illuminating lamps.But the LED silk of vertical bar type is due to the restriction by length, its wattage is correspondingly also limited by very large, although from point of theory, bulb can be done and do length greatly, thus straight stripe shape LED lamp silk is correspondingly done length, but from the angle that reality uses, that does oversizely just loses use meaning too greatly.One is well inspired is that vertical bar filament is made curved shape, can when bulb constancy of volume, greatly increase the length of filament, in theory, because the area of filament increases, about heat radiation, as long as coordinate gas circulation cooling, problem just can be readily solved.From present filament manufacturing technology, tungsten filament is made forniciform very general, this is because tungsten filament is except the composition of tungsten, add without other compositions, and tungsten filament belongs to flexible metal, as long as therefore by different flectors, the bending making arbitrary shape is not all a problem, but the non-homogenous material of LED silk is made, usual needs do complicated die bond process on flexible metal or resin material, by such restriction, the ratio that raw silk rings made by LED silk is easier to, make various curved shape just very difficult, from existing market, also do not have a kind of technology can accomplish bent by LED silk and use.
Summary of the invention
The present invention is exactly for the problems referred to above, and propose a kind of curved LED vermicelli production technique and have the bulb of curved LED silk, this technique can produce forniciform LED silk comparatively easily, and made bulb wattage is high, brightness uniformity, good heat dissipation.
For reaching above-mentioned requirements, first the present invention discloses curved LED vermicelli production technique, comprises the steps:
(1) on one block of flexible metal sheet or resin plate, portray machinery with circuit and depict spiral circuit;
(2) in the front of the spiral helicine circuit portrayed and back side die bond respectively;
(3) on the spiral helicine circuit portrayed, both positive and negative polarity is indicated;
(4) hold the spiral helicine circuit portrayed by external force one, helical circuit is pulled out from flexible metal sheet or resin plate, thus makes helical form LED light-emitting section;
The present invention discloses the manufacture craft of another kind of curved LED silk, comprise the steps:
(1) die bond is distinguished at the upper and lower sides of a using flexible wire or wire resin silk;
(2) with corresponding curved shape mould, using flexible wire or wire resin silk are produced corresponding curved LED light-emitting section.
The present invention is on the basis based on above-mentioned two kinds of techniques, also disclose a kind of bulb with curved LED silk, comprise a transparent glass shell, a conducting wire, a driver and a lamp holder, described lamp holder is fixedly connected with transparent glass shell, described driver, conducting wire are connected with lamp holder, a curved LED light-emitting section is connected with bottom described driver, the two ends of this curved LED light-emitting section are respectively equipped with positive pole and negative pole, and described positive pole and negative pole form electric connection respectively with the positive pole of conducting wire, negative pole respectively.
Preferably, described curved LED light-emitting section can be spiral-shaped arbitrarily.
Preferably, described curved LED light-emitting section can be arbitrary wave-like.
Preferably, described curved LED light-emitting section can be arbitrary symmetry, asymmetric curvature shape.
Preferably, described curved LED light-emitting section can be arbitrary rule, irregular curved shape.
Preferably, described curved LED light-emitting section can be arbitrary wave-like and wave-like and arbitrarily symmetry, asymmetric bending shape and any combination arbitrarily between rule, irregular curved shape arbitrarily.
In the present invention, the quantity of described curved LED light-emitting section in a transparent glass shell can be one, or more than one, less than four.
In the present invention, described curved LED light-emitting section can towards any direction in transparent glass shell.
Adopt above-mentioned filament manufacture craft, the LED light-emitting section of curved shape can be produced comparatively easily, and all original light fixture manufacturing equipments can both be simultaneously used in this new technology, new technology.
Adopt the LED bulb that above-mentioned explained hereafter goes out, compare the LED silk of vertical bar type, its wattage is higher, brightness evenly, radiating effect is also better, according to test, this new technology can improve the power stage in same glass bulb cavity, can with the conventional bulb of 100w and the 12wLED bulb of (2400k) of colour temperature the same as conventional bulb reaches same effect.
Accompanying drawing explanation
Shown in Fig. 1 is that in the present invention, curved LED silk is connected to the general structure schematic diagram in bulb;
Shown in Fig. 2 is the structural representation of spiral-shaped LED light-emitting section in the present invention;
Shown in Fig. 3 is the structural representation of Wave shape LED light-emitting section of the present invention;
Shown in Fig. 4 is symmetric curvature shape LED luminous bar structure schematic diagram in the present invention;
Shown in Fig. 5 is the surface structure schematic diagram of asymmetric curvature shape LED light-emitting section in the present invention;
Shown in Fig. 6 is the surface structure schematic diagram of regular curved shape LED light-emitting section in the present invention;
Shown in Fig. 7 is the surface structure schematic diagram of irregular curved shape LED light-emitting section in the present invention;
Shown in Fig. 8 is the surface structure schematic diagram of the curved LED light-emitting section of combined type in the present invention;
Wherein, 1, transparent glass shell; 2, conducting wire; 3, driver; 4, lamp holder; 5, curved LED light-emitting section; 6, spiral-shaped LED light-emitting section; 7, wave-like LED light-emitting section; 8, symmetric curvature shape LED light-emitting section; 9, asymmetric curvature shape LED light-emitting section; 10, regular curved shape LED light-emitting section; 11, irregular curved shape LED light-emitting section; 12, the curved LED light-emitting section of combined type.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
First the present invention discloses curved LED vermicelli production technique, comprises the steps:
(1) first on one block of flexible metal sheet or resin plate, portray machinery with circuit depicts spiral circuit; The flexible metal sheet mentioned in the present invention can be the metal material scutum arbitrarily with flexible characteristic;
(2) in the front of the spiral helicine circuit portrayed and back side die bond respectively; The die bond mentioned in the present invention, be also called DieBond or load, namely die bond passes through colloid (being generally conducting resinl or insulating cement for LED) the appointed area of wafer bonding at support, forms heat passage or electric pathway, for the routing of postorder connects the operation providing condition.
(3) on the spiral helicine circuit portrayed, both positive and negative polarity is indicated;
(4) hold the spiral helicine circuit portrayed by external force one, helical circuit is pulled out from flexible metal sheet or resin plate, thus makes helical form LED light-emitting section;
The present invention discloses the manufacture craft of another kind of curved LED silk, comprise the steps:
(1) in the upper and lower sides die bond respectively of a using flexible wire or wire resin silk, die bond mentioned here is identical with the die bond concept that first technique in the present invention is mentioned, at this no longer repeated description; But it is important to note that the tow sides die bond that the present invention's " die bond " of mentioning is using flexible wire or wire resin silk, the luminescence of LED silk can be made like this evenly and soft;
(2) with corresponding curved shape mould, using flexible wire or wire resin silk are produced corresponding curved LED light-emitting section.
Generally speaking, adopt above-mentioned filament manufacture craft, the LED light-emitting section of curved shape can be produced comparatively easily, and all original light fixture manufacturing equipments can both be simultaneously used in this new technology, new technology.
First please refer to Fig. 1 below, the present invention is on the basis based on above-mentioned two kinds of techniques, also disclose a kind of bulb with curved LED silk simultaneously, comprise a transparent glass shell 1, one conducting wire 2, one driver 3 and a lamp holder 4, for being fixedly connected with between lamp holder 4 and transparent glass shell 1, driver 3, conducting wire 2 is connected with lamp holder 4, a curved LED light-emitting section 5 is connected with in the bottom of driver 3, the two ends of this curved LED light-emitting section 5 are respectively equipped with positive pole and negative pole, and positive pole and negative pole respectively with the positive pole of conducting wire 2, negative pole forms electric connection respectively.
In the present invention; preferred curved LED light-emitting section 5 can be spiral-shaped arbitrarily; specifically can see Fig. 2; the figure provided in Fig. 2 is spiral-shaped LED light-emitting section 6; certain spiral-shaped LED light-emitting section 6 is only the one in many " spiral-shaped "; the helical structure of other various shapes, as spindle, taper, V-type helical structure, is also all protection scope of the present invention.
In the present invention; preferred curved LED light-emitting section 5 can be arbitrary wave-like; concrete visible Fig. 3; the figure provided in Fig. 3 is wave-like LED light-emitting section 7; certain wave-like LED light-emitting section 7 is only the one in many " wave-like "; the wavelike structure of other various shapes is also all protection scope of the present invention.
In the present invention, preferred curved LED light-emitting section 5 can be arbitrary symmetry, asymmetric curvature shape, specifically can see Fig. 4 and Fig. 5, what Fig. 4 provided is symmetric curvature shape LED light-emitting section 8 structural representation in the present invention, the surface structure schematic diagram of what Fig. 5 then provided is asymmetric curvature shape LED light-emitting section 9 in the present invention; Certain symmetric curvature shape LED light-emitting section 8 and asymmetric curvature shape LED light-emitting section 9 are only the one in many " symmetric curvature shape " and " asymmetric curvature shape "; other various " symmetric curvature shapes " are as heart-shaped structure, apple shape structure; various English alphabet structures, Arabic alphabet structure etc. in " asymmetric curvature shape " are also all protection scope of the present invention.
In the present invention, preferred curved LED light-emitting section 5 can be arbitrary rule, irregular curved shape, the surface structure schematic diagram of what Fig. 6 provided is regular curved shape LED light-emitting section 10 in the present invention; Fig. 7 provide then be the surface structure schematic diagram of irregular curved shape LED light-emitting section 11 in the present invention; Certain regular curved shape LED light-emitting section 10 and irregular curved shape LED light-emitting section 11 are only the one in many " regular curved shape " and " irregular curved shape "; other various " regular curved shapes ", as circular configuration, ellipsoidal structure and various " asymmetric curvature shape " middle structure, are also all protection scope of the present invention.
In the present invention, preferred curved LED light-emitting section 5 can be arbitrary wave-like and wave-like and arbitrarily symmetry, asymmetric bending shape and any combination arbitrarily between rule, irregular curved shape arbitrarily.
Given by Fig. 8 is the surface structure schematic diagram of the curved LED light-emitting section 12 of combined type in the present invention; But be not limited thereto, as mentioned above, arbitrary wave-like and arbitrarily wave-like and arbitrary symmetry, asymmetric bending shape and any combination arbitrarily between rule, irregular curved shape are protection scope of the present invention.
In the present invention, the quantity of curved LED light-emitting section 5 in a transparent glass shell 1 can be one, or more than one, less than four, one or more curved LED light-emitting section 5 be in actual applications exist, do not affect the normal use of light fixture; If but more than more than four, although then exist in theory, affect by structure and heat radiation in practical application, be not an ideal chose.
In the present invention, curved LED light-emitting section 5 can towards any direction in transparent glass shell 1, as structure vertically downward, and transversary, oblique structure etc.
Generally speaking, adopt the LED bulb that above-mentioned explained hereafter goes out, compare the LED silk of vertical bar type, its wattage is higher, brightness evenly, radiating effect is also better, according to test, this new technology can improve the power stage in same glass bulb cavity, can with the conventional bulb of 100w and the 12wLED bulb of (2400k) of colour temperature the same as conventional bulb reaches same effect.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from know-why of the present invention; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (10)
1. curved LED vermicelli production technique, is characterized in that, comprise the steps:
(1) on one block of flexible metal sheet or resin plate, portray machinery with circuit and depict spiral circuit;
(2) in the front of the spiral helicine circuit portrayed and back side die bond respectively;
(3) on the spiral helicine circuit portrayed, both positive and negative polarity is indicated;
(4) hold the spiral helicine circuit portrayed by external force one, helical circuit is pulled out from flexible metal sheet or resin plate, thus makes helical form LED light-emitting section.
2. curved LED vermicelli production technique, is characterized in that, comprise the steps:
(1) die bond is distinguished at the upper and lower sides of a using flexible wire or wire resin silk;
(2) with corresponding curved shape mould, using flexible wire or wire resin silk are produced corresponding curved LED light-emitting section.
3. one kind has the bulb of curved LED silk, comprise a transparent glass shell, a conducting wire, a driver and a lamp holder, described lamp holder is fixedly connected with transparent glass shell, described driver, conducting wire are connected with lamp holder, it is characterized in that, be connected with a curved LED light-emitting section bottom described driver, the two ends of this curved LED light-emitting section are respectively equipped with positive pole and negative pole, and described positive pole and negative pole form electric connection respectively with the positive pole of conducting wire, negative pole respectively.
4. a kind of bulb with curved LED silk as claimed in claim 3, it is characterized in that, described curved LED light-emitting section can be spiral-shaped arbitrarily.
5. a kind of bulb with curved LED silk as claimed in claim 3, it is characterized in that, described curved LED light-emitting section can be arbitrary wave-like.
6. a kind of bulb with curved LED silk as claimed in claim 3, it is characterized in that, described curved LED light-emitting section can be arbitrary symmetry, asymmetric curvature shape.
7. a kind of bulb with curved LED silk as claimed in claim 3, it is characterized in that, described curved LED light-emitting section can be arbitrary rule, irregular curved shape.
8. a kind of bulb with curved LED silk as claimed in claim 3, it is characterized in that, described curved LED light-emitting section can be arbitrary wave-like and wave-like and arbitrarily symmetry, asymmetric bending shape and any combination arbitrarily between rule, irregular curved shape arbitrarily.
9. a kind of bulb with curved LED silk as claimed in claim 3, it is characterized in that, the quantity of described curved LED light-emitting section in a transparent glass shell can be one, or more than one, less than four.
10. a kind of bulb with curved LED silk as claimed in claim 3, it is characterized in that, described curved LED light-emitting section can towards any direction in transparent glass shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510712329.5A CN105240703A (en) | 2015-10-28 | 2015-10-28 | Manufacturing technology for bent LED filament and bulb with bent LED filament |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510712329.5A CN105240703A (en) | 2015-10-28 | 2015-10-28 | Manufacturing technology for bent LED filament and bulb with bent LED filament |
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| CN105240703A true CN105240703A (en) | 2016-01-13 |
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| CN201510712329.5A Pending CN105240703A (en) | 2015-10-28 | 2015-10-28 | Manufacturing technology for bent LED filament and bulb with bent LED filament |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151904A (en) * | 2016-08-24 | 2016-11-23 | 胡溢文 | A kind of LED winding filament and preparation technology thereof |
| CN106641778A (en) * | 2016-11-17 | 2017-05-10 | 浙江亿米光电科技有限公司 | Bulb provided with lamp filaments of self-forming structure |
| CN106678580A (en) * | 2016-12-28 | 2017-05-17 | 上海应用技术大学 | Manufacturing method for spiral LED lamp filament inside bulb lamp |
| CN106704856A (en) * | 2016-11-21 | 2017-05-24 | 浙江亿米光电科技有限公司 | Lamp bulb with V-shaped LED flexible lamp filament and process for manufacturing V-shaped lamp filament |
| CN106764522A (en) * | 2016-12-22 | 2017-05-31 | 东莞市博发光电科技有限公司 | LED bulb wick structure and preparation method that a kind of 360 ° of light emitting flexible filaments are made |
| CN107339622A (en) * | 2017-09-07 | 2017-11-10 | 李立新 | Full-cover large-angle light-emitting LED bulb |
| CN107420766A (en) * | 2016-05-24 | 2017-12-01 | 浙江亿米光电科技有限公司 | A kind of bulb for being provided with flexible LED filament and flexible LED filament preparation method |
| CN107420769A (en) * | 2017-05-12 | 2017-12-01 | 厦门胜普朗照明有限公司 | LED flexibility filament lamps and preparation method thereof |
| CN107795864A (en) * | 2016-08-30 | 2018-03-13 | 浙江亿米光电科技有限公司 | A kind of LED light source prepared based on flexible LED filament |
| CN108603637A (en) * | 2016-02-04 | 2018-09-28 | 奥斯兰姆奥普托半导体有限责任公司 | Light emitting diode filament and illuminator with light emitting diode filament |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108603637A (en) * | 2016-02-04 | 2018-09-28 | 奥斯兰姆奥普托半导体有限责任公司 | Light emitting diode filament and illuminator with light emitting diode filament |
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| CN107795864A (en) * | 2016-08-30 | 2018-03-13 | 浙江亿米光电科技有限公司 | A kind of LED light source prepared based on flexible LED filament |
| CN106641778A (en) * | 2016-11-17 | 2017-05-10 | 浙江亿米光电科技有限公司 | Bulb provided with lamp filaments of self-forming structure |
| CN106704856A (en) * | 2016-11-21 | 2017-05-24 | 浙江亿米光电科技有限公司 | Lamp bulb with V-shaped LED flexible lamp filament and process for manufacturing V-shaped lamp filament |
| CN106764522A (en) * | 2016-12-22 | 2017-05-31 | 东莞市博发光电科技有限公司 | LED bulb wick structure and preparation method that a kind of 360 ° of light emitting flexible filaments are made |
| CN106678580A (en) * | 2016-12-28 | 2017-05-17 | 上海应用技术大学 | Manufacturing method for spiral LED lamp filament inside bulb lamp |
| CN107420769A (en) * | 2017-05-12 | 2017-12-01 | 厦门胜普朗照明有限公司 | LED flexibility filament lamps and preparation method thereof |
| CN107339622A (en) * | 2017-09-07 | 2017-11-10 | 李立新 | Full-cover large-angle light-emitting LED bulb |
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Application publication date: 20160113 |