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Backlight LED Drivers are components used to power and control backlight LEDs in various display applications. These drivers are designed to provide the correct amount of current to the LED, while also providing a variety of control features to maximize performance and minimize power consumption.
LEDs are efficient and cost-effective light sources, but they require a constant current source and a correct voltage level to operate at their maximum efficiency. Backlight LED drivers provide both, and they are also designed to provide dimming or brightness control. In addition, these drivers are also designed to reduce power consumption and extend the lifetime of the LEDs.
The most common type of backlight LED driver is the buck converter, which reduces the input voltage and increases the current to the LED. The driver includes a high-frequency switching circuit that allows the voltage to be controlled, and typically operates in a range of 1.2 to 8V. This type of driver is commonly used in LCD displays, and is capable of providing a wide range of dimming levels.
The second type of driver is the boost converter, which increases the input voltage and reduces the current to the LED. This type of driver is mostly used in OLED displays, and can provide dimming levels from 0 to 100%. It also helps to reduce power consumption and extend the lifetime of the LEDs.
Backlight LED drivers are essential components for powering and controlling backlight LEDs, and are used in a variety of display applications. They help to reduce power consumption and extend the lifetime of the LEDs, and also provide dimming and brightness control. They are available in a variety of form factors, and are designed to meet the specific requirements of the application.
The Global Backlight LED Driver market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
Austriamicrosystems Introduces Improved Backlight Power Supply and New LED Drivers for LED Televisions. The most recent releases of Austriamicrosystems’ extensive line of LED TV drivers and support integrated circuits have been made public. Three LED drivers and a new IC for the LED power supply are among the new ICs. The newly released 16- and 12-channel AS3820 and AS3821 LED drivers are fully compatible with the 6- and 8-channel AS3822 & AS3823 LED driver integrated circuits (ICs).
Set manufacturers can use the same software and hardware design across their entire line of LED edge-lit TVs thanks to this compatibility. To achieve the lowest possible energy consumption, all driver-integrated circuits in this portfolio utilize the enhanced digital power feedback control technique from Austria Microsystems. Furthermore, smart dimming functionality meets the demands for the newest 3D TV designs and the best picture quality while further reducing power consumption.
The third generation of driver ICs for direct-lit TVs is the new AS3810 16-channel LED driver with internal FETs, in addition to these new driver ICs. According to the manufacturer, it offers industry-leading channel-to-channel performance along with all the features required to maximize power efficiency in big-screen direct-lit televisions.
It is simple to combine multiple ICs to create up to dozens of dynamically dimmed backlighting segments, which will further reduce power consumption and optimize contrast. This complete driver-integrated circuit portfolio provides the best current accuracy for optimal light uniformity, the newest 3D features, and lower system costs to meet the design requirements of all TV architectures.
ROHM Semiconductor unveiled new 4ch/6ch LED driver integrated circuits intended for medium- to large-sized automotive displays found in instrument clusters and infotainment systems. Larger screens are now more common in cars thanks to the ongoing development of ADAS (Advanced Driver Assistance Systems) and improved infotainment features. Thus, high-efficiency drives that increase rated output current while lowering power consumption are necessary for LED drivers for LCD backlights in automotive displays.
Additionally, LED drivers need to be able to prevent this problem because flickering car displays can result in dangerous circumstances and low visibility. Conventional LED drivers are prone to flickering when PWM dimming because of their relatively high power consumption. On the other hand, ROHM has created LED drivers for LCD backlights that seamlessly dim PWM light while utilizing unique low-power technology.
By doing this, flickering when adjusting the display’s brightness from low to high is eliminated.
These new products lower losses in LED driver current control circuits by utilizing patented low-power consumption technology. Under normal circumstances, the overall IC power consumption is 20% less than with conventional products. When power consumption is a concern, this helps to reduce it in medium- to large-sized automotive displays.
