CN220891911U - LED light cube light bar unit and light cube - Google Patents
LED light cube light bar unit and light cube Download PDFInfo
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- CN220891911U CN220891911U CN202322438486.4U CN202322438486U CN220891911U CN 220891911 U CN220891911 U CN 220891911U CN 202322438486 U CN202322438486 U CN 202322438486U CN 220891911 U CN220891911 U CN 220891911U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
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- 229910000831 Steel Inorganic materials 0.000 description 8
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- 230000008901 benefit Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
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- 230000000007 visual effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005553 drilling Methods 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000007650 screen-printing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
LED light cube lamp strip unit and light cube relate to the light cube field. In order to solve the technical problems that the existing light cube light bar cannot buffer external force and has poor permeability in the prior art, the invention provides the technical scheme that: an LED light cube light bar unit, the unit comprising: the LED lamp comprises a circuit board, an LED lamp, enamelled wires and connecting ribs; the circuit board includes: a bottom plate; a bonding pad; a wire bonding pad; the circuit bonding pads are equally divided into two groups; each group of circuit pads are respectively arranged into a circular ring structure; the LED bonding pad is also included; the number of the enameled wires is 25, 24 are color lines, and the other 1 is a main control line, sequentially passes through the central through hole and is connected to the main line pad through the pad through hole; the LED light cube lamp strip comprises a base plate, and is characterized by further comprising a connecting bonding pad, wherein the connecting bonding pad is arranged on the front surface and the back surface of the base plate, and the connecting bonding pad is used for connecting the connecting rib and connecting the unit with another LED light cube lamp strip unit. The LED light cube is suitable for being applied to design and research work of LED light cubes.
Description
Technical Field
Relates to the field of light cubes, in particular to a circuit board design of an LED light cube.
Background
The light cube is popular in the field of outdoor landscape lighting because of attractive appearance, good visual effect and strong variability, and in recent years, researches and applications on the light cube are widely focused by students. The basic building block of the light cube is a light bar. Each light bar consists of N RGB LEDs, and N is a positive integer. Take n=8 as an example.
The current light cube light part is mainly realized by a transverse LED light bar, the longitudinal direction of the transverse LED light bar is connected by a longitudinal connecting plate, and the longitudinal connecting plate has the function of shorting each longitudinal row of LED lights in the transverse LED light bar before the controller lights the transverse LED light bar. When the longitudinal connecting plate of the current light cube is connected with the transverse LED light bar to form an LED, the problems of low permeability, high manufacturing cost and easy deformation exist, so that the problem of how to design the longitudinal connecting plate of the LED light cube is solved in the current urgent need on the premise of completing basic functions, and the effect of better permeability, low manufacturing cost and difficult deformation can be achieved when the longitudinal connecting plate of the current light cube is combined with the transverse LED light bar to form the LED light cube.
Moreover, the problems of consistent width and resource waste of the lamp strip of the current light cube generally exist, and the lamp strip also brings trouble to the work of staff in the subsequent welding process, is inconvenient to weld, and is difficult to find welding spots and the like; in the process of welding the enameled wire, if the slotted hole through which the enameled wire passes is too large, the enameled wire shakes, and if the slotted hole is too small, the enameled wire cannot pass through.
In addition, all link to each other through screw and nut between current light cube lamp strip, its rigidity is too big, leads to the lamp strip to be apart from, angle, position all unable adjustment, has reduced the suitability of light cube, and because the rigidity of screw leads to the lamp strip position all to be fixed, when facing strong wind or vibration, resistance, fragile lamp strip is broken up because unable buffering and resolution external force, leads to the fact scrapping of light cube or the maintenance work of the more stranded that faces, finally, because the screw is generally thicker, still can influence the holistic permeability of light cube.
Disclosure of Invention
In order to solve the technical problems that in the prior art, when a longitudinal connecting plate of a light cube is connected with a transverse LED lamp bar to form an LED, the LED has the technical problems of low permeability, high manufacturing cost and easy deformation, and the existing light cube lamp bar can not buffer external force and has poor permeability, the technical scheme provided by the invention is as follows:
An LED light cube light bar unit, the unit comprising:
the LED lamp comprises a circuit board, an LED lamp, enamelled wires and connecting ribs;
The circuit board includes:
A strip-shaped bottom plate;
at least six LED bonding pads which are arranged on the bottom plate in a straight line;
The number of the circuit bonding pads is three times that of the LED bonding pads, and the circuit bonding pads are used for respectively corresponding to three pin positions of each LED bonding pad;
The circuit bonding pads are equally divided into two groups and are respectively arranged at the middle positions of the front surface and the back surface of the bottom plate;
each group of circuit pads are respectively arranged into a circular ring structure;
the middle position of the circular ring is provided with a central through hole on the bottom plate;
A corresponding pad through hole is arranged beside each pad on the bottom plate;
The bottom plate also comprises a main wire bonding pad and a corresponding main wire through hole, wherein the main wire bonding pad is used for connecting one pin of all the LED bonding pads;
The LED lamp corresponds to the LED bonding pad;
The number of the enameled wires is 25, wherein 24 enameled wires are color wires which respectively pass through the pad through holes and are respectively connected to corresponding circuit pads through the side walls of the enameled wires,
In addition, 1 is used as a main control line, sequentially passes through the central through hole and is connected to the main line bonding pad through the bonding pad through hole;
The LED light cube lamp strip comprises a base plate, and is characterized in that the base plate further comprises a connecting bonding pad, the front surface and the back surface of the base plate are both provided with the connecting bonding pad, the connecting bonding pad is used for connecting the connecting ribs, the diameter of the connecting ribs is smaller than 0.9mm, and the connecting ribs are used for connecting the unit with another LED light cube lamp strip unit.
Further, there is provided a preferred embodiment wherein the base plate is tapered in width in a path extending from the middle to the two ends.
Further, a preferred embodiment is provided wherein the LED pads are equally spaced.
Further, a preferred embodiment is provided, wherein the three pin positions correspond to three color control pins of the LED lamp, respectively.
Further, there is provided a preferred embodiment wherein the wire bond pads are each trapezoidal.
Further, there is provided a preferred embodiment, wherein each of the pad through holes is correspondingly provided with a silk screen for marking that its corresponding pad is located on the upper side or the lower side of the bottom plate.
Further, there is provided a preferred embodiment, wherein the LED pad pins connected to the main wire pad correspond to power supply pins of the LED lamp.
Further, a preferred embodiment is provided wherein all of the enamel wires are stranded.
Further, there is provided a preferred embodiment, wherein the connection rib includes an elongated iron core and a welding layer covering the outside of the iron core, and the welding layer is used for connecting the connection rib with the connection pad.
Based on the same inventive concept, the invention also provides an LED light cube, wherein the light cube at least comprises four units, the color lines are connected end to end respectively, the main control lines are the same as the units in number and respectively correspond to one unit, two upper and lower adjacent units are connected through two connecting ribs, and the two units arranged in parallel are also transversely connected through the connecting ribs at the top and the bottom of the light cube.
Compared with the prior art, the technical scheme provided by the invention has the following advantages:
the LED light cube light bar unit provided by the invention provides a light cube component unit with high permeability and low manufacturing cost through the structure of the packaging plate.
According to the LED light cube light bar unit, the volume of the packaging plate is reduced to the greatest extent through the design of the packaging plate.
According to the LED light cube light bar unit, through the design of the 24 through holes and the double-sided bonding pads, wires can be stranded together, the permeability is improved to the greatest extent, and the stranded wires are higher in circumferential rigidity, difficult to weld off and difficult to deform.
According to the LED light cube light bar unit, all units can be connected in series through the through holes, and no additional wiring and ports are needed.
According to the LED light cube light bar unit, two adjacent light bar units are connected through the connecting ribs, the two adjacent light bar units can be welded on the adapter plate while the LED light cube light bar unit has good mechanical strength, so that the relative positions of the light bar units are not as clear as the screw fixation, fine adjustment can be performed, and the applicability of a light cube is improved; and in the face of bad weather, receive external force effect etc. because the buffering that the connecting rib that can buckle brought has guaranteed the safety of lamp strip unit, is difficult for being collapsed, and finally, thinner connecting rib has increased the permeability of light cube, has strengthened the luminance of light cube.
According to the LED light cube light bar unit provided by the invention, each layer in the longitudinal direction of the light cube is pulled into a whole through the connecting ribs. The structural strength is improved, and meanwhile, the tensile stress of the enameled wire is reduced, so that the enameled wire is not easy to break; and simultaneously, longitudinal steel bars of all the minimum units at the top and the bottom of the light cube are transversely connected, so that each minimum unit is mechanically connected into a whole.
The LED light cube is suitable for being applied to design and research work of LED light cubes.
Drawings
FIG. 1 is a schematic view of a portion of a circuit board in a middle position according to an embodiment;
FIG. 2 is a schematic view of a portion of a circuit board in a middle position according to an embodiment;
fig. 3 is a top view of a circuit board according to the first embodiment;
Fig. 4 is a bottom view of a circuit board according to the first embodiment;
fig. 5 is a schematic view showing a connection state between upper and lower adjacent units in the light cube according to the tenth embodiment;
FIG. 6 is a schematic diagram of the embodiment of FIG. 5;
FIG. 7 is a front view of FIG. 5;
FIG. 8 is a schematic diagram of the embodiment of FIG. 7;
Wherein 1 denotes a base plate, 2 denotes an LED pad, 3 denotes a line pad, 4 denotes a center through hole, 5 denotes a pad through hole, 6 denotes a screen printing, 7 denotes a main line pad, 8 denotes a main line through hole, 9 denotes a connection rib, and 10 denotes a connection pad.
Detailed Description
In order to make the advantages and benefits of the technical solution provided by the present invention more apparent, the technical solution provided by the present invention will now be described in further detail with reference to the accompanying drawings, in which:
Embodiment one, described with reference to fig. 1-4, provides an LED light cube light bar unit comprising:
The circuit board, the LED lamp, the enameled wire and the connecting rib 9;
The circuit board includes:
A strip-shaped bottom plate 1;
At least six LED bonding pads 2 arranged in a straight line on the bottom plate 1;
The number of the circuit bonding pads 3 is three times that of the LED bonding pads 2, and the circuit bonding pads 3 are used for respectively corresponding to three pin positions of each LED bonding pad 2;
The circuit pads 3 are uniformly divided into two groups and are respectively arranged at the middle positions of the front surface and the back surface of the bottom plate 1;
Each group of circuit pads 3 are respectively arranged into a circular ring structure;
A central through hole 4 is formed in the middle of the circular ring on the bottom plate 1;
a corresponding pad through hole 5 is arranged beside each pad on the bottom plate 1;
The base plate 1 further comprises a main wire bonding pad 7 and a corresponding main wire through hole 8, wherein the main wire bonding pad 7 is used for connecting one pin of all the LED bonding pads 2;
the LED lamp corresponds to the LED bonding pad 2;
The number of the enameled wires is 25, wherein 24 enameled wires are color wires which respectively pass through the pad through holes 5 and are respectively connected to the corresponding circuit pads 3 through the side walls of the enameled wires,
In addition, 1 is used as a main control line, sequentially passes through the central through hole 4 and is connected to the main line bonding pad 7 through the bonding pad through hole 5;
The LED light cube lamp strip is characterized in that the bottom plate 1 further comprises a connecting bonding pad 10, the connecting bonding pad 10 is arranged on the front surface and the back surface of the bottom plate 1, the connecting bonding pad 10 is used for being connected with the connecting rib 9, the diameter of the connecting rib 9 is smaller than 0.9mm, and the connecting rib 9 is used for connecting the LED light cube lamp strip unit with another LED light cube lamp strip unit.
Specifically, in connection with fig. 1-4, taking eight LED pads 2 as an example, the LED light bar is a 28×6.8mm PCB circuit board. There are 8 full color LED pads 2 on each. Simultaneously, 24 enamelled wire welding pads and enamelled wire control wire threading slots are formed. Meanwhile, a power supply enameled wire threading slot hole and a power supply wire welding pad are reserved.
24 Enamelled wire bonding pads:
The front and the back of the LED light bar are respectively provided with 12 enamelled wire bonding pads, and the bonding pads are arranged in an emission shape to form a circular ring. The purpose is to make the distance between the slotted hole corresponding to the bonding pad and the center of the LED lamp strip equal as far as possible, and achieve the best effect of twisting 24 enamelled wires.
24 Enamelled wire control wire threading slots:
The radius of the slot hole is 0.3mm, and the slot hole is too small to facilitate the threading operation of the enameled wire; the distance from the center of the LED light bar is increased when the slot holes are too large, and the distances from the center of different slot holes are also different. The slots can be arranged in two layers only due to the limitation of the width of the LED light bar (the larger the width is, the higher the cost is). The phenomenon of wire warping is caused when the enameled wire is twisted.
The front or back of each slot. A circle of silk screen 6 is printed to mark which bonding pad the enamel wire passing through the slot should be welded to, so as to avoid welding strings caused by dense slot and bonding pad on the front and back of the lamp strip.
Tin-plated iron wire as reinforcing steel bar:
After the enameled wires are twisted into ropes, the steel bars penetrate through each layer of steel bar bonding pads of the light cube longitudinal LED light bar. The reinforcing bars of each layer are welded to the reinforcing bar bonding pads of the LED light bars of the layer. The steel bar is made of tin-plated iron wires, and the steel bar can be welded on the adapter plate while the steel bar has good mechanical strength.
The steel bars pull each layer of the light cube into a whole. And the structural strength is improved. Meanwhile, the tensile stress of the enameled wire is reduced, so that the enameled wire is not easy to break. And simultaneously, all the longitudinal steel bars of the minimum units at the top and the bottom of the light cube are connected transversely. Each minimum unit is mechanically connected as a whole.
The function is as follows: 1. the visual effect is good, 2, bearing capacity is strong, 3, but welded fastening, labour saving and time saving.
Enamelled wire power wire slot hole:
The radius of the slot hole at the center of the LED lamp bar is 0.9mm, the lamp bar power supply enameled wires are penetrated, and the LED lamp bar power supply enameled wires of each layer. Penetrating through the central slot hole, penetrating out of the small slot hole beside the central slot hole, and welding to the power supply patch pad beside the central slot hole through the side wall.
Enameled wire:
The enameled wire after being twisted into the rope has good strength, but the connecting part of the enameled wire and the bonding pad is single-stranded, the part is fragile, and after welding is realized, the enameled wire is glued and fixed in time.
The LED light bar is a main body component part of the light cube, and the dosage is the largest. And 8 5050 packaged full-color LED bonding pads 2 are arranged at intervals of the pixel pitch P, and 8 anodes of the LEDs are connected to one block, namely common positive, and are connected to the power line bonding pads. 3*8 = 24 cathodes connected to enameled wire bond pads in the middle part of the LED light bar.
The beneficial effects are that: the double-sided bonding pad ensures that 24 wires can be welded, the bonding pad positions are fixed, the most arranged positions of 24 bonding pads are arranged in a limited space, and meanwhile, the bonding pad ensures the strength and the uneasy breaking of the passing enameled wire.
Innovation 1: slotted hole arrangement
Innovation 2: pad arrangement
Innovation 3: private printing: the upper layer and the lower layer are 2 layers, so that the accuracy in welding is ensured;
Innovation 4: the slot size of 0.3mm is the optimal size, and the value between 0.2 and 0.35mm is obtained after a large amount of values; the distance between the slots and the internal conductors of the PCB is 0.14mm, which is the optimal size. The distance between the slots is easy to be penetrated when the PCB is processed and drilled. The further distance is wasteful. The distance between the slot hole and the lead is small, and the lead is easily damaged by PCB processing and drilling; greater than 0.14mm is wasteful.
The positions of 24 bonding pads on the upper layer and the lower layer in the bonding pad are distributed, the boundary of 12 through holes on each layer is required to be ensured to be on the boundary line of the same center circle, the purpose of the process is to ensure that the large holes at the center of the bonding pad pass through the enameled wire, the welding is convenient, all lines are in the inside of the circle, and the distance between the circle center and the through holes is not more than 0.01mm.
In the second embodiment and the present embodiment, the LED light cube light bar unit provided in the first embodiment is further defined, and the width of the bottom plate 1 gradually decreases in a path extending from the middle to the two ends.
In the third embodiment, the LED light cube light bar unit provided in the first embodiment is further defined, and the LED pads 2 have the same pitch.
In a fourth embodiment, the LED light cube light bar unit provided in the first embodiment is further defined, and the three pin positions respectively correspond to three color control pins of the LED lamp.
In the fifth embodiment, the LED light cube light bar unit provided in the first embodiment is further limited, and the circuit pads 3 are all trapezoidal.
In the sixth embodiment, the LED light cube light bar unit provided in the first embodiment is further defined, the pad through holes 5 are respectively provided with a silk screen 6, and the silk screen 6 is used for marking that the corresponding pads are located on the upper side or the lower side of the bottom plate 1.
In the seventh embodiment, the LED light cube light bar unit provided in the first embodiment is further defined, and the LED pad 2 pins connected to the main wire pad 7 correspond to power supply pins of the LED lamp.
In the eighth embodiment, the LED light cube light bar unit provided in the first embodiment is further limited, and all enameled wires are stranded.
In a ninth embodiment, the LED light cube light bar unit provided in the first embodiment is further defined, the connecting rib 9 includes an elongated iron core and a welding layer covered on the outside of the iron core, and the welding layer is used for connecting the connecting rib 9 with the connecting pad 10.
In a tenth embodiment, referring to fig. 5 to 8, this embodiment provides an LED light cube, where the light cube includes at least four units provided in the first embodiment, the color lines are connected end to end, the number of the main control lines is the same as that of the units, and the main control lines correspond to one unit respectively, two units adjacent to each other up and down are connected by two connection ribs 9, and two units arranged in parallel are also connected transversely by the connection ribs 9 at the top and bottom of the light cube.
Specifically, in the light cube, the bottom surface of the upper circuit board is opposite to the top surface of the lower circuit board through the bottom surface of the upper circuit board, one end of the connecting rib 9 is connected with the bottom surface of the upper circuit board, the other end of the connecting rib is connected with the top surface of the lower circuit board, the upper circuit board and the lower circuit board are connected, and the existing screw connection is replaced by tinned iron wires.
The top surface of the light cube is a circuit board array, so that the two adjacent and parallel circuit boards are connected with the top surfaces of the two circuit boards through two connecting ribs 9, the transverse connection between the circuit boards is realized, and the overall stability of the light cube is enhanced;
and the bottom surfaces of the light cubes are connected with the bottom surfaces of two adjacent and parallel circuit boards through two connecting ribs 9, so that the transverse connection between the circuit boards is realized, and the overall stability of the light cubes is enhanced.
The technical solution provided by the present invention is described in further detail through several specific embodiments, so as to highlight the advantages and benefits of the technical solution provided by the present invention, but the above specific embodiments are not intended to be limiting, and any reasonable modification and improvement, combination of embodiments, equivalent substitution, etc. of the present invention based on the spirit and principle of the present invention should be included in the scope of protection of the present invention.
In the description of the present invention, only the preferred embodiments of the present invention are described, and the scope of the claims of the present invention should not be limited thereby; furthermore, the descriptions of the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or N embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "N" means at least two, for example, two, three, etc., unless specifically defined otherwise. Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more N executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
Claims (10)
- An led light cube light bar unit, said unit comprising:the LED lamp comprises a circuit board, an LED lamp, enamelled wires and connecting ribs;The circuit board includes:A strip-shaped bottom plate;at least six LED bonding pads which are arranged on the bottom plate in a straight line;The number of the circuit bonding pads is three times that of the LED bonding pads, and the circuit bonding pads are used for respectively corresponding to three pin positions of each LED bonding pad;The circuit bonding pads are equally divided into two groups and are respectively arranged at the middle positions of the front surface and the back surface of the bottom plate;each group of circuit pads are respectively arranged into a circular ring structure;the middle position of the circular ring is provided with a central through hole on the bottom plate;A corresponding pad through hole is arranged beside each pad on the bottom plate;The bottom plate also comprises a main wire bonding pad and a corresponding main wire through hole, wherein the main wire bonding pad is used for connecting one pin of all the LED bonding pads;The LED lamp corresponds to the LED bonding pad;The number of the enameled wires is 25, wherein 24 enameled wires are color wires which respectively pass through the pad through holes and are respectively connected to corresponding circuit pads through the side walls of the enameled wires,In addition, 1 is used as a main control line, sequentially passes through the central through hole and is connected to the main line bonding pad through the bonding pad through hole;The LED light cube lamp strip comprises a base plate, and is characterized in that the base plate further comprises a connecting bonding pad, the front surface and the back surface of the base plate are both provided with the connecting bonding pad, the connecting bonding pad is used for connecting the connecting ribs, the diameter of the connecting ribs is smaller than 0.9mm, and the connecting ribs are used for connecting the unit with another LED light cube lamp strip unit.
- 2. The LED light cube light bar unit of claim 1 in which the base plate is tapered in width in a path extending from the middle to the ends.
- 3. The LED light cube light bar unit of claim 1 wherein the LED pad pitch is the same.
- 4. The LED light cube light bar unit of claim 1 wherein the three pin locations correspond to three color control pins of an LED lamp, respectively.
- 5. The LED light cube light bar unit of claim 1 wherein the wire bond pads are each trapezoidal.
- 6. The LED light cube light bar unit of claim 1 wherein the pad through holes are each correspondingly provided with a screen for marking its corresponding pad on the upper or lower side of the base plate.
- 7. The LED light cube light bar unit of claim 1 wherein the LED pad pins of the main wire pad connection correspond to power pins of the LED lamp.
- 8. The LED light cube light bar unit of claim 1 where all enamel wires are stranded.
- 9. The LED light cube light bar unit according to claim 1, said connection bar comprising an elongated iron core and a soldering layer covering the outside of said iron core, said soldering layer being used to connect said connection bar with said connection pads.
- An led light cube, comprising at least four units according to claim 1, wherein the color lines are connected end to end, the number of the main control lines is the same as that of the units, each main control line corresponds to one of the units, two upper and lower adjacent units are connected by two connecting ribs, and the two parallel units are also connected transversely by the connecting ribs at the top and bottom of the light cube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322438486.4U CN220891911U (en) | 2023-09-08 | 2023-09-08 | LED light cube light bar unit and light cube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322438486.4U CN220891911U (en) | 2023-09-08 | 2023-09-08 | LED light cube light bar unit and light cube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220891911U true CN220891911U (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322438486.4U Active CN220891911U (en) | 2023-09-08 | 2023-09-08 | LED light cube light bar unit and light cube |
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| Country | Link |
|---|---|
| CN (1) | CN220891911U (en) |
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2023
- 2023-09-08 CN CN202322438486.4U patent/CN220891911U/en active Active
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