3V LED Backlight Lamp Beads with Optical Lens Filter for LED TV Panel Repair

3V SMD Lamp Beads with Optical Lens Filter for LED TV Backlight are specialized, high-efficiency light sources engineered for precise and uniform illumination in modern LCD televisions. These lamp beads integrate a powerful Surface Mount Device (SMD) LED chip with a custom-designed optical lens, effectively replacing bulky, traditional CCFL or older, less-efficient LED backlight strips. Consequently, they deliver superior brightness, enhanced contrast, and excellent color uniformity across the entire screen panel. Operating at a low 3V forward voltage, these LEDs are perfectly suited for series and parallel arrangements within high-density backlight arrays. Furthermore, the integrated lens simplifies repair and manufacturing by ensuring a wide, even distribution of light without requiring additional external diffusers. Therefore, select these SMD lamp beads to restore or upgrade the visual quality of your LED TV display.

Key Features:

• Integrated Optical Lens: Each bead features a specialized convex lens filter that provides a wide beam angle, guaranteeing uniform light distribution and eliminating hot spots on the screen.
• High Brightness Output: These LEDs utilize high-quality phosphors and chips, producing exceptional luminous flux necessary for vibrant TV picture quality.
• Low 3V Forward Voltage (V_F): The low operating voltage allows for easy integration into existing or newly designed backlight circuits, optimizing power distribution.
• Energy Efficient: Offering high luminous efficacy (lm/W), these lamp beads help reduce the overall power consumption of the television set.
• SMD Package: The surface-mount design allows for automated assembly and provides better thermal contact with the PCB substrate for improved heat dissipation.

Technical Specifications:

• Forward Voltage (V_F): Typically 3.0 V to 3.2 V DC
• Forward Current (I_F): ≈ 100 mA to 150 mA (Operating)
• Color Temperature (CCT): Typically Cool White (6000K – 10000K) for backlight application
• Luminous Flux: Varies, typically ≥ 100 lm per bead
• Viewing Angle: Wide angle, typically 120° to 170° due to the integrated lens.
• Lifespan (L70): ≥ 50,000 hours

Mechanical Specifications:

• LED Chip Type: Varies (e.g., typically 3030 or 3535 package base)
• Lens Material: Optical grade plastic (often PC or PMMA)
• Substrate: Ceramic or high thermal conductivity PCB material base
• Mounting: Surface Mount Technology (SMT) for reflow soldering.

Dimensions:

• LED Base Size (Typical): ≈ 3.0 mm x 3.0 mm or 3.5 mm x 3.5 mm (SMD footprint)
• Lens Diameter: Varies, typically ≈ 7 mm to 10 mm
• Overall Height (Including Lens): Varies, typically ≈ 2 mm to 4 mm
• Pitch: Designed for high-density spacing in linear strips.

Pinout and Wiring:

• Anode (+): Connect the positive terminal to the LED driver circuit output.
• Cathode (−): Connect the negative terminal to the ground or the current-control side of the driver circuit.
• Polarity Mark: Most SMD packages include a small notch or cathode mark (stripe) to indicate the negative side.
• Wiring Note: You must connect these LEDs in series or series-parallel configurations on the backlight strip to meet the TV’s required total voltage and current specifications.

Datasheet Reference:

• Download 3V SMD LED Lamp Bead Datasheet (General Reference)

Commonly Used in:

• LCD/LED TV Repair: Essential components for fixing common TV backlight failures, such as dark spots or screen flickering.
• LED Backlight Strips: Used in the fabrication and replacement of the linear light strips behind the LCD panel.
• Monitor Backlights: Also suitable for large computer monitors utilizing direct-lit or edge-lit LED technology.

Applications:

• TV Backlight Replacement: Restoring uniform brightness and color to damaged or aged television displays.
• Display Manufacturing: Serving as the core light source in new production runs of LED-backlit panels.
• Specialty Lighting: However, their high output and specific lens pattern also make them suitable for other high-intensity, controlled illumination projects.

Equivalent Models:

• LG Innotek 3535 Series: Many replacement beads are functionally similar to 3V chips from leading TV component manufacturers.
• Samsung D-LED Chips: Similar high-power, low-voltage SMD LEDs used in direct-lit LED backlights.
• Generic 3V 3030/3535 Backlight LEDs: Any 3V LED of the same package size and power rating with an appropriate lens filter can serve as a functional replacement.

Package Includes:

• 1 x 3V LED Backlight Lamp Beads with Optical Lens Filter for LED TV Panel Repair