Fierce market competition in the backlight industry

Release Date:

2020-04-02 12:30

Source:

www.yisitelens.com

Discussion of the LED backlight market’s prospects has become a well-worn topic, as its standout advantages—long lifespan, low energy consumption, compact size, fast response, excellent shock resistance, superior performance in extreme cold, and minimal environmental impact—ensure an exceptionally broad range of applications. Preliminary estimates suggest that, in the years to come, China’s annual electricity savings from LED lighting will match the Three Gorges Dam’s total annual generating capacity, while also cutting emissions by 80 million tons of CO2, 650,000 tons of SO2, and 320,000 tons of NO2. It is no exaggeration to call this “the most significant revolution in the history of lighting.”

For LED Backlight Discussion of the market outlook has become a well-worn topic, as LEDs’ outstanding advantages—long lifespan, low energy consumption, compact size, rapid response, superior seismic resistance, and minimal environmental impact—ensure their applications are extraordinarily broad. Preliminary estimates suggest that, in the years to come, China’s annual adoption of LED lighting will save an amount of electricity equivalent to the Three Gorges Dam’s entire annual generating capacity, while also reducing emissions by 80 million tons of CO2, 650,000 tons of SO2, and 320,000 tons of NO2. It is no exaggeration to call this “the most significant revolution in the history of lighting.”
According to a comprehensive report by G3: From an IT perspective, LED Backlight 2012 was a pivotal year in industry trends. Leveraging advantages such as mercury‑free, low‑carbon environmental protection; regionally controllable backlighting; energy efficiency and eco‑friendliness; a slim, streamlined design; and true‑color reproduction, LED backlights significantly accelerated the shift from CCFL to LED. Major panel manufacturers forged strategic partnerships with LED backlight suppliers, jointly developing tailored solutions and integrating cutting‑edge technologies into larger‑size backlights. Slim, green, and delivering superior color performance, LED backlights are poised to become the next powerful driver of backlight technology development.
However, LED backlight modules are not without their drawbacks; the issue of power consumption remains a critical challenge that must be addressed. Since they employ a greater number of LEDs, this not only increases power usage but also leads to higher operating temperatures. Consequently, additional cooling systems and control circuits are required to mitigate these problems, which in turn results in a thicker profile compared to CCFL‑backlit panels.
The development of semiconductor lighting is advancing at a remarkable pace. Statistical analysis shows that since their introduction in the 1960s, LED costs have fallen by a factor of ten every decade, while luminous efficacy has improved by a factor of ten. Moreover, technological progress has consistently outstripped market expectations. In particular, the 2008 Beijing Olympics provided another major boost to LEDs: during the opening ceremony, a “Beautiful Long Scroll” was displayed on a single, world‑largest LED backlight spanning 4,500 square meters. And when the “Five Rings of Beauty,” composed of 45,000 LEDs, rose into the sky, Chinese enthusiasm for LEDs reached a new peak.

Keywords:

Backlight

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