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Technology and classification of LED backlight Font size gets bigger font size gets smaller Core tip

Technology and classification of LED backlight Font size gets bigger font size gets smaller Core tip

  • 2020-09-16
  • Views:0

Technology and classification of LED backlight Font size gets bigger font size gets smaller Core tip

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  • Categories:NEWS
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  • 2020-09-16
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Information

1. Cleaning: Use ultrasonic wave to clean PCB or LED wire rack and dry it.
2. Mounting: Expand the expanded chip (large wafer) on the bottom electrode of LED chip (large wafer), install the expanded chip (large wafer) on the rodenter table, install the tube core one by one on the corresponding solder plate of PCB or LED bracket under the microscope with the rodenter, and then conduct sintering to solidify the silver adhesive.
3. Pressure welding: connect the electrode to the LED tube core with aluminum wire or gold wire welding machine to serve as the lead for current injection. LED directly installed on the PCB, generally using aluminum wire welding machine. (Gold wire welding machine is needed to make white light-top LED)
4. Packaging: The LED tube core and welding line are protected with epoxy coating. Applying glue on PCB board has strict requirements on the shape of solidified gel, which is directly related to the brightness of backlight products. This process will also take on the task of fluorescent powder (white LED).
5. Welding: If smD-LED or other encapsulated LED is used for backlight, the LED shall be welded to the PCB before assembly process.
6. Film cutting: all kinds of diffusion films and reflective films needed by punch die cutting backlight source.
7. Assembly: According to the requirements of the drawing, manually install all kinds of materials of backlight in the correct position.
8. Test: Check whether the photoelectric parameters of backlight and the uniformity of output light are good.
9. Packaging: Packing and storing the finished products as required.

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