اپتوالکترونیک نور پس‌زمینهٔ نمایشگر (بک‌لایت)

Product Attributes

Introduction

This universal LED kit includes two high-brightness LED strips, a DC-DC LED driver, and a wiring harness. The LED strips can be easily cut at designated intervals of every 3 LEDs to fit any LCD display from 19 inches to 27 inches — this is referred to as a cut-to-size model. The LED strips can be used for LED replacement or CCFL conversion. The LED strip dimensions are 620×4×2 mm, containing 99 3528-type LED chips, with a 2-pin JST connector and a color temperature range of 8500K to 11000K. The LED driver measures 7 cm×2 cm, with an input voltage of 10–30V DC and an output voltage of 7.5–9.6V DC; it supports dimming functionality, which can be achieved by connecting to the ADJ pin. Pin definitions (in order from red to black as shown in the diagram) are: 1. V IN, 9–30V (Red); 2. ON/OFF, 0V = OFF, 2V–5V = ON (Yellow); 3. ADJ Dimming/Brightness, 0V–5V, 0V = brightest, 5V = dimmest (Yellow); 4. GND (Black). Please ensure an appropriate power supply is available before installation; this driver requires an analog DC voltage supply. The driver is designed to power two LED strips simultaneously; operating only one strip may result in higher brightness but will shorten the LED strip lifespan (below 10,000 hours). If connecting a single LED strip directly to an analog DC power supply, the recommended input voltage is 10V–11V DC. Please note that no user manual is provided, as each LCD power board model varies; customers are required to have a certain level of technical expertise to identify the power supply on the display's power board. These LED strips are suitable for replacing both LED and CCFL backlights.