TV Backlight Strips LED49R6000U L1148 V1 SZKK49D05-ZC22AG-04 49R6000U 303SK490034 for LED50M300A 49R660U
- Product Information
StarSharp specializes in TV backlight strips. Models LED49R6000U, L1148 V1, SZKK49D05-ZC22AG-04 fit KONKA LED50M300A, 49R660U. As a core LCD component, it has 5LED chips on widened aluminum. With professional optics, it turns point light to uniform surface light via light guide plate. This 49/50-inch strip uses 3V precise voltage, ensuring brightness uniformity. Its standardized interface guarantees full compatibility with original driver circuits.

LED TV backlight strips Parameters:
| Model Number | LED49R6000U, L1148 V1, SZKK49D05-ZC22AG-04, 49R6000U, 303SK490034 |
| TV Models | KONKA LED50M300A, KONKA 49R660U |
| Length | 473mm |
| Bulbs | 5LED |
| Voltage | 3V |
| Full set | 8pcs/set |
| Material | Aluminum |
| Code | XR0040 |
LED TV backlight strips Features:
Precise Fit
These light strips are custom-designed for Konka 49/50-inch models such as LED50M300A and 49R660U. The 473 mm length aligns perfectly with the original backlight zones, and the connector pin layout matches the factory design with a tolerance of ≤0.1 mm. The 8-piece set provides full-screen coverage and eliminates light-leak issues caused by size deviations in universal strips. No recalibration is required—installation achieves a precise, factory-level fit.
Bright, Even Illumination
Built with 5 high-brightness LEDs and a stable 3 V constant-voltage driver, the strips deliver up to 220 lm/W. Each LED features a 120° optical lens, working with the light guide structure to convert point light into uniform surface light. Testing shows brightness uniformity ≥96.2% and color accuracy ΔE ≤2.9. Dark corners and hotspots are effectively removed, ensuring a clean, vibrant, and true-to-life picture.
Efficient Heat Dissipation
A widened, thickened aluminum substrate with a thermal conductivity of 2.2 W/m·K forms a highly efficient cooling channel, enhanced by vented heat-dissipation slots. LED temperature remains below 55°C during operation. After 72 hours of −20°C to 75°C thermal cycling, light decay remains ≤3% per 10,000 hours, giving the strips a lifespan of over eight years. This avoids the “half-brightness after two years” problem common in lower-grade strips and reduces long-term replacement costs.
Durable, Reinforced Construction
Each LED is fixed using a high-temperature anti-detachment process with an adhesion strength of 3.8 N, preventing bead loosening during installation or use. Brightness consistency deviation stays within ≤2%, ensuring the screen remains evenly lit without localized bright or dim areas. The overall display remains stable and uniform.
Plug-and-Play Compatibility
The connector design matches the original driver circuit exactly, with standardized pin definitions that require no soldering or rewiring. Simply remove the old strips and plug in the new ones. Compatible with multiple Konka 49/50-inch backlight systems, this design eliminates the need to compare model parameters, reduces installation difficulty, and saves debugging time.
LED TV backlight strips Application :

LED TV Backlight strips FAQ:
Q: Do you provide warranty for your backlight strips?
A: Yes, our backlight strips usually come with a 1-year warranty. Please refer to our warranty policy for detailed information and terms.
Q: Do you provide customized backlight strips?
A: Yes, we offer customized services. Based on your TV model and special requirements, we can produce backlight strips that meet your needs.
Q: How to confirm the size and specifications of the backlight strip?
A: Please provide the specific size and specifications of your TV model or old backlight strip, and we will recommend suitable products for you based on this information.
Q: How to place an order?
A: You can place an order online through our website or directly contact our sales team for consultation and order processing. We will provide you with detailed purchasing guidance and support.
Q: How to transport the goods to me?
A: For urgent orders and lightweight, you can choose the following couriers: UPS, FedEx, TNT, DHL, EMS. For heavier weight, you can choose other ways to deliver your goods by air or by sea to save costs, etc., without worrying about the way you want to ship.
Q: Can you tell me about your factory's experience and capabilities?
A: With a decade of manufacturing expertise, we have six automatic production lines, with a daily output of more than 100,000 units. All products adopt original lamp beads, lenses, and heat-conducting aluminum base lenses, and have a group of professional technicians and production teams.



