LED lamp circuit board for integrating light source and power supply and manufacture method thereof
A technology for LED lamps and manufacturing methods, which is applied in the field of LED lamp circuit boards and its manufacturing, and can solve the problems that the width cannot meet the horizontal placement of light source boards, the low product qualification rate, and the short length of the placement machine, so as to achieve fast and simple production and high product quality The effect of high pass rate and high production efficiency
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[0040] Example one:
[0041] Such as Figure 1 ~ Figure 5 , Figure 7 , Picture 8 As shown, the LED lamp circuit board integrating light source and power supply of this embodiment includes two module unit boards 1, which are fixedly connected to each other, and the front side of the module unit board 1 is provided for fixing The LED chip 2 and the metal layer 13 that dissipates heat and constitutes an electrical connection between the LED chips 2, and the back of the module unit board 1 is provided with a power supply line 14 made of conductive metal for soldering circuit elements and forming a circuit. The power lines 14 of the fixedly connected module unit board 1 are electrically connected by jumpers. Both ends of the module unit board 1 are respectively provided with grooves 11 and bumps 12, and the grooves 11 and The size and shape of the bump 12 are adapted, the groove 11 and the bump 12 are both dovetail-shaped, and the connection is reliable. The module unit board 1 pass...
Example Embodiment
[0044] Embodiment two:
[0045] Such as Figure 1 ~ Figure 4 , Image 6 , Figure 7 , Figure 9~Figure 11 As shown, the wiring of the metal layer 13 and the power line 14 of the module unit board 1 in this embodiment is the same as that of the first embodiment, that is, the bare board is the same. In addition, the LEDs on the front of the module unit board 1 The number and arrangement of the chips 2 are also completely the same. The difference is: in this embodiment, the two LED chips 2 on the module unit board 1 are connected in parallel to form a group, and the two groups are connected in parallel, that is, there are four channels in parallel. The LED chips 2 are connected in parallel, each of which has 48 LED chips 2. The rated power of this embodiment is also 12W, which is applied to 110V AC power supply for lighting purposes. Accordingly, this embodiment has two groups of four The constant current source MOS devices Q1, Q2 are connected in series with each of the 48 LED chip...
Example Embodiment
[0048] Example three:
[0049] Such as Picture 12 As shown, the difference between this embodiment and the first embodiment is: in this embodiment, two grooves 11 and two bumps 12 are respectively provided at both ends of each module unit board 1. , The groove 11 and the protrusion 12 are both circular, and the connection is reliable.
[0050] The remaining features of this embodiment are the same as the first embodiment.
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