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LG Display Beats the Industry to Mass-Producing Blue PHOLED

In a move that could finally complete the OLED trinity, LG Display has become the first company in the world to mass-produce blue phosphorescent OLED panels. The breakthrough is being hailed as the missing puzzle piece in the long-promised “dream OLED,” where red, green, and now blue light are all emitted through ultra-efficient phosphorescence.
LG Display unlocks blue PHOLED tech
Historically, blue OLEDs have been a nightmare for engineers. They burn out faster, drain more power, and are notoriously difficult to stabilize due to their high-energy, short-wavelength emissions. While red and green phosphorescent OLEDs have long been in commercial use, blue has stubbornly remained fluorescent, offering lower efficiency and higher power demands.
Now LG Display, in collaboration with Universal Display Corporation (UDC), has cracked the code. The company’s new hybrid Tandem OLED stack places a blue fluorescent emitter below a blue phosphorescent one. The result is a display that cuts power consumption by about 15 percent without sacrificing lifespan, achieving a rare balance of efficiency and stability that has eluded OLED researchers for years.
LG’s dual-stack approach is not just a technical workaround, it is a manufacturing-ready solution. The company has already verified its viability on real production lines and filed patents in both South Korea and the United States. A prototype will debut at SID Display Week 2025 in San Jose, with small and mid-size panels aimed at smartphones, tablets, and eventually AI PCs and AR/VR devices.
For years, insiders expected Samsung to win this race, with rumors swirling around a debut in the Galaxy Z Fold 7. But LG got there first, and this might be the OLED revolution that makes your next screen brighter, thinner, and far more efficient.
While LG Display breaks new ground in OLED science, its sibling company LG Electronics is quietly leaning on TCL to stay competitive. LG’s latest QNED evo TVs, aimed at reclaiming lost ground from Samsung and Hisense, are built using MiniLED panels manufactured by TCL, the very rival that’s rapidly expanding its global footprint. In fact, after LG sold its final LCD factory to TCL, much of its new panel supply is now sourced straight from China.
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News
Hisense G7 Ultra monitor unveiled with 1152-zone Mini LED, 4K 160Hz/1080p 320Hz modes

Hisense has announced the G7 Ultra gaming monitor in China, a 27-inch display designed for high-end gaming and professional content creation. The monitor will launch on September 26, with pre-orders now open across major platforms in China.
Hisense G7 Ultra Specifications
The G7 Ultra features a 4K FAST IPS panel and a 1152-zone Mini LED backlight system. This configuration enables precise brightness control and minimizes blooming. The panel reaches a peak brightness of 2000 nits and carries HDR1400 certification. Hisense has equipped the screen with its Obsidian Screen technology, which reduces reflectivity to just 1.8 percent and maintains visual clarity in bright environments.
The monitor supports two refresh rate modes. It runs at 160Hz in 4K resolution and 320Hz in 1080p mode. It also supports FreeSync Premium and achieves a 1ms GTG response time. An AM driving chip manages each dimming zone to improve contrast and detail uniformity. Hisense has also included a custom halo-control algorithm, adapted from its Mini LED TVs, to maintain consistent brightness across the panel.
Color performance is a major focus. The G7 Ultra covers 99 percent of DCI-P3, 99 percent of sRGB, 100 percent of Adobe RGB, and 85 percent of BT.2020. The monitor achieves ΔE<2 color accuracy and includes a quantum dot film layer to enhance color vibrancy. It supports 10-bit color depth (8+FRC).
For connectivity, the G7 Ultra includes HDMI 2.1, DisplayPort 2.1, USB-C with 90W power delivery, USB-A, USB-B, and a headphone jack. The USB-C port supports KVM switching and reverse charging. The monitor also features DC dimming and blue light reduction modes.
Hisense uses a Moon Shadow Gray finish for the chassis. The stand supports height, tilt, swivel, rotation adjustments, and VESA mounting. Hisense includes a factory calibration report, multiple cables, and a three-year on-site service warranty.
In related news, TCL has launched the world’s first SQD-Mini LED TV featuring record-setting brightness and color performance, and also introduced the Q9M RGB-Mini LED TV lineup with up to 2880 dimming zones and 2000-nit peak brightness.
Featured
TCL SQD-Mini LED Tech Explained: New Benchmark for Mini LED Displays

TCL SQD-Mini LED (Super Quantum Dot Mini LED) technology is the company’s most ambitious evolution of Mini LED to date. Debuting with the flagship X11L series, this new display tech is designed to overcome the limitations of conventional RGB-Mini LED systems by delivering better color accuracy, more efficient light control, and higher brightness, all while allowing for ultra-slim TV designs.
In traditional RGB-Mini LED setups, backlighting is achieved using red, green, and blue LEDs grouped together to form white light. While this allows for rich colors, it comes with downsides—namely, the potential for color bleeding, limited zone density due to complex layouts, and inconsistent performance when rendering mixed-color scenes.
SQD-Mini LED solves this by switching to a single-type blue LED light source, which passes through a high-density layer of upgraded quantum dots. These dots convert the blue light into red and green wavelengths, which are then blended to produce full-spectrum white light. The result is purer, more stable colors with minimal distortion.
Unlike RGB-Mini LED, which achieves only localized high color gamut (often peaking at around 97% BT.2020), TCL’s SQD-Mini LED panel delivers a true global high color gamut, reaching 100% BT.2020 across the entire screen. It maintains consistent accuracy whether the scene is monochromatic or multi-colored. Because each pixel’s color generation process remains uniform, there’s no shift or compromise during complex scenes.
This architecture also makes the backlight more compact and thermally efficient. A single chip can replace a cluster of three RGB LEDs, allowing more dimming zones within the same area. In the case of the X11L, the 98-inch version reaches 20,736 zones—an industry-leading figure. Brightness is another strong point, with peak levels hitting 10,000 nits, ideal for true HDR playback.
SQD-Mini LED also enables thinner TVs. The X11L is just 2cm thick, making it the slimmest Mini LED TV ever. In short, TCL’s SQD-Mini LED is not just a refinement of Mini LED; it’s a full-stack rethinking designed to rival OLED in color precision while surpassing it in brightness and durability.
In related news, we recently explored TCL’s strategy to dominate the Indian TV market in 2025. Check it out as well.
News
TCL Launches World’s First SQD-Mini LED TV with Record-Breaking Brightness and Color

TCL has launched its flagship X11L series alongside Q9M and Q10M Ultra at the 2025 Mini LED TV Autumn Launch Event in China. The company describes it as the new “king of TVs” and the first to feature its proprietary SQD-Mini LED display technology. This panel promises purer color output and higher backlight precision compared to conventional RGB-Mini LED solutions.
The X11L series is available in three sizes. The 75-inch model is priced at 19,999 yuan ($2,800), the 85-inch version costs 34,999 yuan ($4,900) and features 14,400 local dimming zones, while the top-end 98-inch model comes in at 59,999 yuan (~$8,400) and boasts 20,736 dimming zones.
TCL X11L Mini LED TV Specifications
The 98-inch variant features a 4K panel with a peak brightness of 10,000 nits. It supports HDR formats including Dolby Vision, HDR10+, HDR10, HLG, and IMAX Enhanced. The display covers 100% of the BT.2020 color gamut and delivers professional-grade color accuracy with a ΔE value of less than 0.99. TCL uses a “butterfly wing” LCD layer with low-reflection coatings to improve contrast and viewing angles while keeping the body thickness at just 2 cm.
TCL has equipped the X11L with the MediaTek 9655+ chipset, paired with 4GB RAM and 128GB storage. The TV supports 4K 144Hz input through four HDMI 2.1 full-bandwidth ports. Other connectivity options include USB 3.0, USB 2.0, LAN, AV-in, RF input, and optical audio out. Wi-Fi 6 is built-in.
For audio, it uses a custom speaker system tuned by Bang & Olufsen. It includes dual woofers, a center channel, and front-firing drivers designed for clean and dynamic sound.
The X11L runs TCL’s Lingkong System 3.0, which features a clean card-style UI, no boot ads, and support for AI voice control, NAS media playback, and education tools. Each unit ships with a magnetic wall mount and tabletop stand.
In related news, we recently explored TCL’s strategy to dominate the Indian TV market in 2025. Check it out as well.