LED TV backlight strips universal use for 42inch tv

Details：

model number:JHT149-1312-2 universal 8leds /3v1w length/width  800mm*12mm

An LCD TV light bar is a series of light-emitting diodes (LEDs) located behind the LCD TV screen to backlight the screen. The working principle of LCD TV light strips is based on LEDs, where the light emitted by the LEDs is controlled by the LCD screen to produce visible pixels. Typically, LCD TV light bars consist of hundreds or even thousands of LEDs arranged in a grid or strip array and connected to power and control circuitry.  The backlight structure of LCD TVs can generally be divided into two types: traditional CCFL lamp backlight and now common LED backlight. The CCFL backlight of LCD TV uses cold cathode fluorescent lamps to realize the backlight function, but it has been phased out because LED backlight can provide better picture quality and save energy. LCD backlight bars play a vital role in the field of lighting design. They are employed in architectural lighting, decorative lighting, and specialty lighting applications. The ability to create customizable and controllable lighting effects makes backlight bars a preferred choice for designers and architects seeking to enhance the aesthetics and functionality of indoor and outdoor spaces.For the LED backlight mechanism, two types of side-light and direct-lit backlight are generally used. The side light uses LED strips placed on the edge of the LCD panel to let the light shine through, while the direct-type backlight uses LED tubes placed behind the LCD panel to form a backlight that evenly illuminates the entire LCD screen. To sum up, the working principle of LCD TV light strips is to convert electrical energy into light energy through LED, provide backlight for the light source, and then use the backlight to modulate the position and direction of the liquid crystal molecules, thereby producing impressive picture effects.

The installation method of the LCD light bar is as follows:

1. Determine the installation location: Before starting the installation, it is important to choose the location of the LCD light strip. Make sure all necessary materials and tools are readily available during installation.
2. Measure the light strip size: Measure the size of the installation area to ensure the light strip fits correctly. Verify that the length of the light strip is appropriate for the chosen mounting location.
3. Connect the light strip: Use scissors to cut the power cord near the junction box and connect the LCD light strip. Align each connection location to ensure proper installation.
4. Install the light strip: Place the LCD light strip in the installation position and secure it in place with screws. Make sure the light strip is securely fastened.
5. Test the lighting effect: Connect the power supply and check whether the lighting effect is normal. If any problems occur, recheck the installation process until the problem is resolved.
6. Final confirmation: After confirming that all connections are firm, the installation position is correct, and the power cord is not loose, the LCD light bar installation is completed.