122 results about "LED filament" patented technology

The invention provides a light generating system (1000) comprising a LED filament (400), a first optical element (500), and a second optical element (600); wherein: (A) the first optical element (500) and the second optical element (600) are configured parallel; wherein the first optical element (500) and the second optical element (600) have a shortest mutual distance (d1); (B) the LED filament (400) comprises (i) an array of a plurality of solid state light sources (10) arranged on an elongated carrier (450), and (ii) an elongated encapsulant (410) at least partly enclosing the plurality of solid state light sources (10) and covering at least part of the elongated carrier (450); wherein the LED filament (400) is configured to generate filament light (401); wherein the LED filament (400) comprises a light emitting surface (420), wherein during operation of the LED filament (400) the filament light (401) escapes from the LED filament (400) via the light emitting surface (420); wherein the light emitting surface (420) is configured in between the first and second optical elements (500,600) and extending from the first optical element (500) to the second optical element (600); (C) each of the first optical element (500) and the second optical element (600) is configured to specularly reflect at least 25% of the filament light (401) received by the first and second optical element (500,600), respectively; and (D) the first optical element (500) is further configured to transmit 25-75% of the filament light (401) received by the first optical element (500).

A modular electrical connection system (100) for two / three-dimensional lighting is described, comprising a plurality of two-dimensional modules (10), each comprising two distinct poles (11, 12) connectable to an electrical power supply, a negative pole (11) and a positive pole (12) formed by a wire in electrically conductive material comprising non-insulated connection portions (14, 15, 16) to connect the two poles (11, 12) to each other via electrical contact elements (31, 32) connected to a light source (50) such as a LED filament (51) comprising an eletromagnetic connection system (52) comprising a first wire (53) in electrically conductive material fixed to a second wire (54) in ferritic material, inserted in a tube (55) in electrically conductive material.

The present invention relates to an LED filament lamp (7) for lighting, wherein at least one LED filament (7) is configured to emit polarized light. The LED filament lamp (7) comprises at least one LED filament (1) and an encapsulated volume (V) with an envelope (10) that includes a light-exit window, within which the LED filament (1) is disposed. The LED filament (1) or LED filaments (11, 12) comprise several LEDs (3) arranged in a filament holder (2). At least one polarizer (5) is arranged with respect to the LED filament (1). The polarizer (5) is configured to provide a polarization direction for the light. The polarizer (5) fully or partially encloses the LED filament (1), such that the light, or part thereof, emitted by the LED filament lamp (7) can be polarized or unpolarized.

To provide a decorative LED bulb capable of being decorated without depending on LED light emission control, and a manufacturing method therefor.SOLUTION: A vacuum LED bulb comprises an LED filament, and a glass bulb that protects the LED filament, where a clay layer with light transmissivity and light diffusion is formed over the entire surface of the glass bulb, and a pattern layer is formed on top of the clay layer. With a decorative LED bulb, the pattern layer is formed on top of the clay layer, making it possible to enjoy looking at the decorative LED bulb for a long period of time.SELECTED DRAWING: Figure 1

An LED filament (100) includes: an array of a plurality of LEDs (110); a circuit (120) coupled to the plurality of LEDs; a carrier (130) arranged to support the plurality of LEDs; and an encapsulation (140) comprising a translucent material and a luminescent material configured to at least partially convert LED light into converted light, wherein the plurality of LEDs includes a first group of LEDs (150) arranged to emit first LED light in a first wavelength range of 430 nm to 490 nm, and a second group of LEDs (160) arranged to emit second LED light in a second wavelength range of 315 nm to 420 nm, wherein the circuit is configured to provide a first current I to the first group of LEDs during operation of the LED filament. c1 And provide a second current I to the second group of LEDs. c2 , where I c2 >I c1 .

There is provided a light emitting diode, LED, filament arrangement (100) configured to provide LED filament arrangement light (105) and comprising: a plurality of LED filaments (110) configured to emit corresponding LED filament light (115); an at least partially light transmissive housing 120, wherein the housing at least partially surrounds the plurality of LED filaments; a partition 130 disposed within the housing, where the partition and the housing define a plurality of partitions 140, where the partition includes a plurality of diffusely reflective surfaces 135 configured to reflect light by diffuse reflection, where at least one reflective surface of the plurality of diffusely reflective surfaces and at least one LED filament of the plurality of LED filaments are disposed in each partition.

A light emitting diode, LED, filament (1) configured to provide, in an on-state, LED filament light (2), and comprising an elongated carrier (3) comprising a longitudinal direction (LD), and a two-dimensional array of a plurality of LEDs (4) arranged on a first major surface (31) of the elongated carrier (3), and configured to, in operation, emit LED light (41). The two-dimensional array of a plurality of LEDs (4) comprises N rows of LEDs 5 and M columns of LEDs, where N ≥ 6 and M ≥ 50, and where the N rows of LEDs extend along the longitudinal direction (LD) of the elongated carrier. The two-dimensional array of a plurality of LEDs (4) has an outline having an outline width, W, and an outline length, L, W being in a range from 1 to 6 mm and L being at least 25 mm, and an aspect ratio is defined as L / W is at least 10. The plurality of LEDs comprises a plurality of X direct-emitting red LEDs 10 (4a), each comprising a red die (42a) having a first die surface area, SA1, a plurality of Y direct-emitting green LEDs (4b), each comprising a green die (42b) having a second die surface area, SA2, and a plurality of Z direct-emitting blue LEDs (4c), each comprising a blue die (42c) having a third die surface area, SA3. A coverage of the plurality of LEDs defined as the ratio of the total surface area of the red dies (42a), the green dies (42b) and the 15 blue dies (42c) to the surface area being enclosed by the outline of the two-dimensional array of a plurality of LEDs (4) is in a range from 10 to 40 %. The first die surface area, SA1, the second die surface area, SA2, and the third die surface area, SA3, each have a largest spatial extent, SE, that is less than or equal to 100 micrometers.

The invention relates to the technical field of illumination, and discloses an LED filament, an LED filament lamp and a control method thereof.The LED filament comprises a substrate with two electrodes, a first light mixing set and a second light mixing set are arranged on the two faces of the substrate respectively, the first light mixing set comprises two LED chips, the second light mixing set comprises two LED chips, a light excitation layer is arranged on each LED, and the first light mixing set and the second light mixing set are arranged on the substrate respectively. And the whole body is wrapped with a diffusion layer to form the filament. A plurality of lamp filaments are arranged in the LED filament lamp, conduction of a plurality of different chips is achieved through arrangement of a small number of electrodes in appearance, and light mixing and dimming are achieved by controlling the conduction duration and period of the different chips and correspondingly configuring LEDs of different colors and light excitation layers made of different conversion materials. The lamp filament basically has no dark area or chromatic aberration area which can be identified by naked eyes, the whole body of the lamp filament is mixed with light, the emergent light is uniform, and the light modulability and the light quality are improved. The filament and the lamp body are simple in structure, and the requirement of consumers for rejuvenating the retro aesthetic feeling of a traditional incandescent lamp is met.

A light emitting diode, LED, filament (100) configured to provide LED filament light (110) is provided. The LED filament comprises an elongated carrier (120) and LEDs (130) arranged on the elongated carrier, wherein the LEDs are configured to emit LED light (150). The LED filament further comprises an elongated luminescent encapsulant (200) at least partially covering the elongated carrier and at least partially enclosing the LEDs. The LED filament further comprises an elongated white encapsulant (300) comprising a polymer matrix (310) and particles (320) dispersed in the polymer matrix, wherein the polymer matrix has a refractive index, npm, and the particles have a refractive index, npa, wherein |npa – npm| is in a range of 0.03 – 0.15, wherein the polymer matrix has a reflectivity, R, in a range of 12 – 30 %, and wherein the particles have a particle diameter, D, in a range of 1 – 5 μm.

A power tool includes a tool housing, an outer surface of which supports a portion of an elongate LED filament. The LED filament includes a flexible substrate and micro-LEDs disposed on the substrate in an electrically connected arrangement in such a way the light is emitted from the LED filament in a direction perpendicular to the substrate over a range of angles from 0 degrees to 360 degrees. The relatively small diameter and large flexibility of the LED filament and the intense illumination provided by the LED filament make the LED filament suited for use as an illumination device in small devices such as hand-held power tools.

The invention discloses an LED lamp filament lead welding forming machine based on decoration engineering, relates to the technical field of LED lead welding, and aims to solve the problems of dislocation, inclination or inconsistent spacing during welding of a double-lead LED lamp filament. On one hand, by optimizing the positioning structure of the LED filament lead, synchronous positioning and spacing constraint of the two leads are realized, the problems of dislocation, inclination or inconsistent spacing of the two leads are effectively avoided, and accurate positioning and welding between the LED filament lead and a pin element are ensured; on the other hand, through the continuous feeding and discharging structure of the LED filament double leads, the requirement for clamping the double leads is met, and meanwhile the production continuity can be improved; by means of the multi-dimensional adjusting function of the double-positioning structure and the adjustable pressing structure and the precise wire feeding design of the wire feeding mechanism, the problems of dislocation, inclination and inconsistent spacing during welding of the double-lead LED lamp filament are thoroughly solved, and the purposes of uniform welding wire feeding, flexible welding angle and continuous machining are achieved.

The present invention relates to a light-emitting diode, LED, filament (100) configured to, in an on-state of the LED filament, emit LED filament light, the LED filament comprises an elongated carrier (101) comprising a first major surface (101´) and a second major surface (101´´) opposite to the first major surface, and an array of a plurality of LEDs (102) arranged on the first major surface (101´) of the elongated carrier (101´´), wherein each LED (102) of the plurality of LEDs is configured to, in an on-state, emit LED light; and a coloured non-luminescent elongated outer encapsulant (103), wherein the coloured non- luminescent elongated outer encapsulant (103) has, in an off-state of the LED filament, a yellow or an orange appearance.

An LED filament luminaire (1) comprising: a reflector (2), a helical LED filament (3) comprising a plurality of LEDs (4) arranged on an elongate carrier and configured to emit LED light (5) in operation, the helical LED filament (3) being at least partially arranged in the reflector (2), the LED filament luminaire (1) being configured to emit LED filament luminaire light (7) through the light exit window (6) in operation, the spiral LED filament (3) comprises an LED filament pitch (PS), the reflector (2) comprises an inner surface (9), the inner surface (9) comprises a plurality of concave structures (8), the plurality of concave structures (8) are arranged in a spiral pattern comprising a concave structure pitch (PC), and the LED filament pitch PS corresponds to the concave structure pitch PC.

A lighting device (10) configured to, in operation, provide lighting device light. The lighting device comprising a housing (20) and a light source (50). The housing comprises a cavity surface (23) defining an inner cavity (24) of the housing. The inner cavity has a first window (21) in a first direction (D1) and a second window (22) in a second direction (D2), opposite to the first direction. The first window has a first area (A1), and the second window has a second area (A2). The light source comprises a plurality of light emitting diode, LED, filaments (52) configured to, in operation, provide LED filament light within the inner cavity. The LED filaments are electrically connected between first and second tracks. The LED filament light leaves the housing through either the first window or the second window. A luminaire comprising a lighting device is also disclosed.

The invention relates to an LED filament (1) and an LED filament lamp (3) comprising the LED filament (1), wherein the LED filament (1) is configured to emit white light or colored light. The LED filament (1) comprises at least ten LEDs (91-9n) arranged on an elongated carrier (2). The LEDs (91-9n) may be LEDs (91-9n) of different colors, wherein the LEDs comprise at least five different main peak wavelengths. The LEDs (91-9n) are positioned alternately with each other along the carrier (2). The LED filament (1) comprises: a plurality of first blue LEDs (91) configured to emit first light having a first main peak wavelength 1; and a plurality of first and second green-yellow light LEDs (92, 93) configured to emit second light having a second main peak wavelength # 2 and a third main peak wavelength # 3, respectively; and a plurality of first red orange light LEDs (94) configured to emit fourth light having a fourth main peak wavelength # 4. The LED filament (1) further comprises one or both of at least one third green-yellow LED (9 #) configured to emit fifth light having a fifth main peak wavelength # 5 and at least one second red-orange LED (9 #) configured to emit sixth light having a sixth main peak wavelength # 6. The difference between each main peak wavelength is at least 20 nm. LEDs (91-9n) comprising different main peak wavelengths may also be added.

A light emitting diode, LED, filament (1) configured to, in an on-state, emit LED filament light (2) and comprising an elongated carrier (3) comprising a first major surface (31) and a second major (32) surface opposite to the first major surface (31), an array of a plurality of LEDs (4) configured to, in an on-state, emit LED light (41) and being arranged on the first major surface (31), an elongated light-converting encapsulant (5) at least partly enclosing the plurality of LEDs (4), at least partly covering the first major surface (31) of the elongated carrier, and comprising a luminescent material adapted to convert at least part of the LED light (41) into converted light, the LED filament light (2) comprising the converted light and optionally a portion of the LED light (41), and a semi-reflective mirror (6). The semi-reflective mirror (6) encloses the elongated light-converting encapsulant (5) at least partially and comprises (i) a plurality of layers (61-67), wherein the plurality of layers comprises m layers, where m is an integer being at least seven, wherein neighboring layers of the plurality of layers (61-67) comprise different refractive indices (n1-nm), or (ii) a cholesteric liquid crystal layer.

The utility model relates to a double color temperature LED light source and an illuminating lamp in the technical field of light emitting illumination, comprising a filament support substrate and a plurality of groups of LED chip strings arranged on the filament support substrate, at least three groups of LED chip strings are arranged, at least two groups of LED chip strings in the at least three groups of LED chip strings are arranged as first chip strings, and at least two groups of LED chip strings are arranged as second chip strings. At least one group of LED chip strings is set as a second chip string, the second chip string is arranged between the two groups of first chip strings, a voltage regulation assembly is arranged in the second chip string, and the forward voltage drop of the first chip strings is higher than that of the second chip string, so that the problem that the forward voltage drop of an existing LED filament is too high when the existing LED filament is driven by different currents is solved. And the problem that the service life of the LED lamp filament is affected due to the fact that the temperature of the middle chip string rises continuously exists.

The utility model provides an LED filament lamp and a display device, the LED filament lamp comprises a sapphire substrate, a plurality of LED chips and a transparent protective cover, the plurality of LED chips are uniformly distributed on the sapphire substrate in a matrix form, the connection directions of the adjacent LED chips are opposite, the sapphire substrate and the plurality of LED chips are combined to form an LED filament, and the transparent protective cover is arranged on the sapphire substrate. A plurality of side walls of the sapphire substrate are covered with silica gel layers, and the silica gel layers wrap the LED chips; the interior of the transparent protection cover is hollow to form a containing space, the LED lamp filament is located in the containing space, a plurality of heat dissipation holes are formed in the transparent protection cover, and the heat dissipation holes communicate with the containing space. And meanwhile, the problem that when the LED filament lamp is used for a long time in a severe environment, the light attenuation of the LED filament lamp is large is solved.

This invention relates to the field of welding equipment technology, specifically a welding device for processing and producing LED filament driver boards. It includes a base, on which, in a counter-clockwise direction, are sequentially arranged loading / unloading stations, a welding station, a cooling station, and a composite inspection station. It also includes an indexing frame with four carriers mounted on it. Each carrier has a workpiece holding and inspection mechanism, which includes a vibrating support slidably connected to the carrier, a bidirectional lead screw rotatably connected to the carrier, an inner shaft, and a convex shaft. An outer shaft is rotatably sleeved on the inner shaft. The beneficial effects of this invention are: by sequentially integrating the loading / unloading stations, welding station, cooling station, and composite inspection station in a counter-clockwise direction on the base, and by using the indexing frame to drive the four carriers to rotate intermittently by 90°, each LED filament driver board automatically enters the composite inspection station after laser welding and forced cooling.

The LED filament lamp (1) is configured to provide light emitted from a plurality of LED filaments (2, 3, 12). The LED filament lamp (1) comprises a green LED filament (2) for phosphor conversion and a red-blue LED filament (3) for mixed direct emission. The LED filament lamp (1) comprises at least one first LED filament (2) and at least one second LED filament (3). The first LED filament (2) comprises a plurality of first blue LEDs (91) configured to emit, in operation, first LED light as blue light. When light is emitted from a blue or UV LED (91), light passes through the mixture of light green phosphor coatings, where the converted light is distributed predominantly as green light in a portion of the visible spectrum. The first LED light is converted into first converted light that is only green light. The light emitted from the second LED filament (3) may be blue light or red light, or light mixed with blue light or red light. The red-blue light emitted from the red-blue LED filament (3) stimulates the opposite blue and red receptors of the eye and the converted green light stimulates the green receptors of the eye such that the resulting mixture of the converted green light, blue light and red light gives the appearance of white light. The white light may be controllable. The LED filaments (2, 3, 12) may be controllable such that the LED filaments (2, 3, 12) together emit white light with variable color temperature or colored light.

A LED strip filament (100) is provided configured to, in an on-state, emit LED filament light (2). The LED strip filament (100) comprises a white light-diffusive filament (1) arranged on a LED strip (10). The LED strip (10) comprises an elongated reflective carrier (3), an array of a plurality of LEDs (4), an attachment component (6) and an elongated light- converting encapsulant (5). The elongated reflective carrier (3) comprises a first major surface (31) and a second major surface (32) opposite to the first major surface (31). The array of a plurality of LEDs (4) is configured to, in an on-state, emit LED light (41) and be arranged on the first major surface (31) of the elongated carrier (3). The attachment component (6) is configured for attaching the LED strip filament (100) to an attachment surface (12) and being arranged on the second major surface (32) of the elongated carrier (3). The elongated light-converting encapsulant (5) is at least partly enclosing the plurality of LEDs (4) and at least partly covering the elongated carrier (3). The elongated light- converting encapsulant (5) comprises a luminescent material (51) adapted to convert at least part of the LED light (41) into converted light (42). The LED filament light (2) comprises the converted light (42) and optionally a portion of the LED light (41). The white light-diffusive filament (1) comprises at least one white light-diffusive white, light-diffusive, elongated optics (7), wherein the white, light-diffusive, elongated optics (7) is arranged in direct contact with the elongated encapsulant (5).

The LED filament includes an array of a plurality of LEDs disposed on a first major surface of an elongate light transmissive carrier. The plurality of LEDs are arranged to emit LED light having an emission peak wavelength between 430 nm and 490 nm. The first encapsulant covers the array of the plurality of LEDs. The second encapsulant covers at least a portion of a second major surface of the carrier opposite the first major surface. The encapsulations comprise respective luminescent materials comprising respective different types of green phosphors arranged to convert at least a portion of the LED light into respective green phosphor light having different emission peak wavelengths. An emission spectrum of the first green phosphor at least partially overlaps an excitation spectrum of the second phosphor.

The utility model discloses a sectionable flexible LED filament structure which comprises two flexible rubber shells, flexible circuit boards are arranged between the inner walls of the two flexible rubber shells, a plurality of LED chips are arranged at the tops of the two flexible circuit boards, and a first sealing head and a second sealing head are arranged at the two ends of each flexible rubber shell respectively. The tops of the two flexible circuit boards are respectively provided with a first connecting sheet and a second connecting sheet. According to the flexible LED filament, the two second connecting pieces are placed in the clamping shell, and then the two connecting pieces are fixed to the top of the guide piece through the clamping structure, so that the stability of connection between the flexible LED filaments is guaranteed, the use quality of the LED filaments is improved under the conductive effect of the guide piece, and through the design of the clamping structure, the service life of the LED filaments is prolonged. According to the LED lamp filament structure, the LED lamp filaments are more convenient to segment, connect and use, so that the applicability of the LED lamp filaments is improved, and meanwhile, the use effect of the LED lamp filament structure is further enhanced through the flexible characteristics of the flexible rubber shell and the flexible circuit board.

The utility model relates to the technical field of LED (light-emitting diode) dispensing, in particular to a dispensing device for LED filament processing, which comprises a workbench, a positioning mechanism is arranged above the workbench, a glue scraping mechanism is further arranged on the positioning mechanism, a dispensing mechanism is further arranged above the workbench, and the dispensing mechanism is positioned on one side of the positioning mechanism. When a plurality of lamp filaments on a lamp filament group need to be dispensed, firstly, contact pieces distributed at the two ends of the lamp filament group can be placed in the positioning seats respectively, and then, through retraction of a piston rod II of a cylinder II, a connecting plate can be matched with a connecting rod and can drive a pressing plate to move downwards, so that the pressing plate can be matched with the positioning seats to extrude and position the contact pieces; in order to ensure that the filaments of the filament group can be in a tight state during dispensing, the opposite movement of the positioning seats distributed on the two sides can be realized through the stretching of the piston rod I of the air cylinder I, so that the filament part can be pulled.

The LED filament configuration 100 includes a first LED filament 110 including a first array 125 of first LEDs 130 that emit first LED light 135. The first LED filament further includes a first encapsulant 140 that surrounds the first array of first LEDs. The first encapsulant includes a first luminescent material 145 configured to convert the emitted first LED light into first converted light 150. The LED filament configuration further includes a second LED filament 155 that includes a second array 170 of second LEDs 175 that emit second LED light 180, where the emitted second LED light is cyan light. Every first LED filament is positioned at least a distance D from every second LED filament. The LED filament configuration further includes a controller 185 coupled to the first array of first LEDs and the second array of second LEDs and configured to individually control the first array of first LEDs and the second array of second LEDs.

There is provided a light emitting diode, LED, filament (100) comprising a LED filament arrangement (115). The LED filament arrangement comprises an elongated carrier (120), a plurality of light emitting diodes, LEDs (130), and an elongated encapsulant (160) at least partially enclosing the plurality of LEDs. The LED filament further comprises a semi-reflective specular-reflecting mirror (200) at least partially enclosing the at least one LED filament, wherein the semi-reflective specular-reflecting mirror, having a transmissivity, T, is configured to partly transmit the LED filament arrangement light into transmitted LED filament arrangement light (220), and wherein the semi-reflective specular-reflecting mirror, having a reflectivity, R, is configured to partly reflect the LED filament arrangement light into reflected LED filament arrangement light (210), wherein the semi-reflective specular-reflecting mirror has a high transmissivity, T, for green and red light, and a high reflectivity, R, for blue light.

The invention discloses honey wine aging equipment and a method for accelerating aging of honey wine, and belongs to the technical field of alcoholic beverage preparation. The equipment comprises a top cover, an aging lamp and an aging box body, and the aging lamp is fixed to the top cover through threaded connection and can be detached and replaced; the LED lamp filaments which are spirally wound are adopted in the aging lamp, and 360-degree all-angle uniform light emitting is achieved; a sliding rail is arranged in the aging box body, and a wine fixing device can be selectively installed to age bottled mead, or bulk mead is directly poured into the aging box body for aging. The aging device solves the problems of uneven light source distribution, inflexible aging mode and difficulty in light source replacement in the prior art, realizes efficient, uniform and flexible aging of honey wine, and keeps the natural flavor and nutritional value of honey at the same time.

The application discloses a flexible LED filament on-power detection method and system based on image processing, which comprises the following steps: collecting the RGB images of the light-emitting points of a plurality of flexible LED filaments after power-on, converting the RGB images to Lab color space, and extracting the L channel image and the ab channel image respectively; pre-processing the L channel image to obtain a binary mask image; determining the connected domain according to the binary mask image to obtain the brightness area, screening out the qualified segmented connected domain as a concentric annular region, eliminating the LED filaments exceeding the preset change rate according to the gradient change rate, calculating the Mahalanobis distance of the chromaticity coordinates and the standard value based on the ab channel image of the remaining flexible LED filaments, eliminating the corresponding flexible LED filament when the Mahalanobis distance exceeds the distance tolerance, and marking the finally remaining flexible LED filament as a qualified product. The application realizes comprehensive evaluation of the brightness uniformity and chromaticity consistency of the flexible LED filament, and takes into account the detection efficiency and precision.

There is provided a light emitting diode, LED, filament, configured to emit LED filament light (105). The LED filament comprises an elongated carrier (110) extending in a first direction, A, comprising a first surface (112) and a second surface (114) oppositely arranged the first surface. The LED filament further comprises a first linear array (120) of a plurality of first light emitting diodes, LEDs, arranged on the first surface, wherein the plurality of first LEDs is arranged to emit ultra-violet, UV, light (121) with a first centroid wavelength, Xc1, in a wavelength range of 100-380 nm. The LED filament further comprises a second linear array (130) of a plurality of second LEDs, arranged on the second surface, wherein the plurality of second LEDs is arranged to emit violet light (131) with a second centroid wavelength, Xc2, in a wavelength range of 380-420 nm.

The utility model belongs to the technical field of lighting equipment, and particularly relates to an LED bulb. The bulb shell is provided with an opening end which is connected with the lamp holder; the lamp pole component is installed on the lamp holder and extends into the bulb shell, and the lamp pole component is electrically connected with the lamp holder; the LED structure is connected to the lamp post component, and the LED structure is electrically connected with the lamp post component; the LED structure is of a cage-shaped structure comprising a plurality of metal strips and at least two LED lamp filament sets, the metal strips are arranged at intervals in the extending direction of the lamp pole component, each metal strip surrounds the lamp pole component in a closed-loop mode, one LED lamp filament set is arranged between every two adjacent metal strips in a series connection mode, each LED lamp filament set comprises a plurality of LED lamp strips arranged in parallel, and the LED lamp strips are connected in parallel. And in each LED lamp filament group, two adjacent LED lamp strips are arranged at an interval. According to the technical scheme, the problem that the production cost of the LED bulb in the related technology is high is solved.