The TV panel market experienced a slight oversupply in the first quarter of this year. According to Sigmaintell, the global economy's continued improvement and declining costs are expected to gradually boost TV demand, leading to a more balanced supply and demand situation.
Given that the first quarter is typically a low season for inventory building, along with rapid adjustments in production capacity allocation by panel manufacturers, the global TV panel supply-demand ratio reached 6.2% in Q1, reflecting a minor oversupply.
Qunzhi Consulting reported that in Q1 2018, the actual production area of global LCD TV panels dropped by 2% compared to the previous quarter, with total supply reaching about 66.27 million units—a 7.7% decline from the prior quarter.
Among different sizes, price declines for 32-inch and 65-inch panels have widened slightly, resulting in a balanced supply-demand situation for 55-inch panels, while other sizes faced surplus. Particularly, 32-inch and 65-inch panels showed increased risk, with further price drops expected.
The demand for 32-inch panels remained strong until the fourth quarter of 2017 due to Chinese brands pushing sales targets and delayed export demand. However, in Q1, 32-inch demand fell significantly, while supply remained relatively stable. With no major reduction in production capacity, the supply-demand ratio for 32-inch panels was estimated at 6.7%, indicating an oversupply.
Previously, the relatively stable prices of 32-inch panels narrowed the price gap with 40-inch models, increasing potential risks. Qunzhi predicts that the second quarter may see a more pronounced price drop.
In the 40-43 inch segment, weakening export demand and changes in size preferences led to lower stock demand. Panel manufacturers actively adjusted their production capacities, particularly controlling the supply of 43-inch panels, resulting in a 6% supply-demand ratio. The balance was slightly loose, and prices showed a slight downward trend.
For the 48-50 inch segment, the long-term price inversion between 49-inch and 50-inch models shifted demand toward 50-inch TVs. As a result, 49-inch panels faced greater pressure, while 50-inch inventory remained high. Despite this, panel makers actively stimulated prices and adjusted capacity, leading to a sharp decline in inventory and easing pressure over time.
The supply-demand ratio for this size segment remained excessive in Q1, with prices continuing to fall. However, the price difference between 49-inch and 50-inch panels is expected to narrow gradually.
In the 55-inch category, demand remained strong, and supply and demand were balanced, with prices staying stable throughout the quarter.
In the large-size segment, despite high expectations from TV manufacturers for 65-inch panels, actual market performance has not met expectations. Demand for 65-inch panels has been growing slowly. Panel manufacturers continue to increase the proportion of 65-inch production capacity. Additionally, BOE’s 10.5-generation line is set to go into mass production, providing more room for growth in the 65-inch panel supply.
Qunzhi Consulting estimates that the supply-demand ratio for 65-inch panels in Q1 will be around 6.8%, with excess supply and continued price declines expected.
Meanwhile, American researchers have made a breakthrough by using white graphene interlayers to significantly enhance the ductility and strength of ceramic materials.
Ceramics are widely used as engineering materials but suffer from brittleness under high pressure or strain. A recent study by Rice University has addressed this issue, improving both ductility and toughness.
According to Phys.org, the research was published in the journal "ACS Applied Materials & Interfaces" by the American Chemical Society.
Rouzbeh Shahsavari, an assistant professor at Rice University, explained that inserting ultra-thin hexagonal boron nitride (hBN) between two layers of calcium silicate creates a unique double-layer crystal with enhanced properties, making it suitable for durable, heat-resistant, and radiation-resistant applications.
Shahsavari’s calculations suggest that this composite material could even serve as a protective shield in nuclear power plants. Beyond the nuclear industry, it can also be applied in construction, oil and gas, aerospace, and other sectors requiring high-performance refractory materials or composites.
HBN, often called “white graphene†due to its hexagonal structure resembling graphene, is composed of boron and nitrogen atoms rather than carbon. Unlike traditional fillers that are loosely attached to the main material, hBN becomes part of the system, offering a more effective reinforcement method.
The team used tobermorite, a type of ceramic, for their experiments. They tested both horizontally stacked tobermorite and the model with hBN inserted. The results showed that the composite material had three times the strength and 25% higher hardness than the original tobermorite.
Under compression, the original tobermorite exhibited a yield strength of about 10 GPa and a yield strain of 7%. In contrast, the composite material showed a yield strength of 25 GPa and a yield strain of 20%.
Shahsavari noted that compared to one-dimensional fillers like fibers or carbon nanotubes, two-dimensional materials like hBN offer better reinforcement due to their larger surface area per unit mass. This makes them ideal for advanced ceramic and composite designs.
He added that other two-dimensional materials such as molybdenum disulfide, niobium diselenide, and layered double hydroxides (LDH) may also be applicable in future bottom-up designs of high-performance ceramics and multifunctional composites.
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