Manufacturing TV LED backlight strips involves several steps, the following is the general manufacturing process:
1. **LED Chip Preparation:** The first step in LED backlight strips is to prepare the LED chips. This includes wafer growth, cutting, packaging and testing. The preparation process ensures that the chip's parameters such as brightness, color temperature, etc. meet the specifications.
2. **PCB Fabrication:** The next step in manufacturing a TV LED backlight strip is to fabricate a printed circuit board (PCB). This step includes processes such as raw material preparation, circuit design, PCB board preparation, photolithography, etching, metallization and surface treatment.
3. **LED Chip Mounting:** Mounting the LED chip onto the PCB by methods such as surface mount technology (SMT). This involves steps such as positioning, bonding and soldering to ensure that the LED chips are accurately and securely attached to the circuit board.
4. **Heatsink Installation:** To prevent excessive heat from being generated when the LEDs are operating, it is often necessary to install a heat sink. The selection and installation of the heat sink helps to improve the stability and life of the LED backlight strip.
5. **Encapsulation and Curing:** LED chips and circuits are encapsulated using clear epoxy or other encapsulation materials to protect them from the external environment. This helps protect against dust and moisture and improves mechanical strength.
6. **Light Guide and Reflective Material Applications:** Light guides and reflective materials are often added to the front of LED backlight strips to ensure that the light is evenly distributed across the entire LCD surface and to improve the display.
7. **Assembly:** Assembling LED backlight strips into the backlight module of an LCD. This may involve combining multiple LED backlight strips together to meet the requirements of a large-size TV.
8. **Circuit Connection and Testing:** Electrical performance testing is performed to ensure that parameters such as brightness, color consistency, and power consumption of the LED backlight strips meet design requirements.
9. **Quality Control:** Perform comprehensive quality control on the finished product to check whether the LED backlight strip meets the standards and specifications.
10. **Packaging and factory shipment:** Packaging the manufactured LED backlight strips in preparation for the next steps in the supply chain, such as assembly into a complete TV product.
skype
whatsapp
telegram
