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TCL CSOT Showcases Blue Phosphorescent Sensitized Fluorescent OLED Results Across Three Product Form Factors

Source: IT之家 Published: Product & Design 中文 产品TCLOLED 3 more articles on this event →
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IT Home, November 15: Phosphorescence offers significantly higher internal quantum efficiency than fluorescence, which can improve the energy efficiency of OLED displays, thereby reducing power consumption and raising peak brightness. Blue phosphorescence has long been a major challenge due to differences in light energy and other factors, and commercialization of the related technology has only made notable progress in the past two years. At this year's Global Display Ecosystem Conference, TCL CSOT showcased blue phosphorescent sensitized fluorescence (PSF) products covering three form factors: smartphones, tablets, and micro cameras; the company introduced a sensitizer into blue devices to efficiently transfer triplet exciton energy to blue emitters, independently designed MIX mixed-host ratios combined with PSF system optimization to improve blue emission efficiency, and continued research on MIX-BH and sensitizer combinations as well as fine-tuned control of processes and chamber atmosphere. The three products target acceptance goals of Lum > 2000 nit and BI > 250, an improvement of more than 40%, with the smartphone display achieving a 30% reduction in power consumption at the

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TCL CSOT showcases blue phosphorescent sensitized fluorescent OLED results, covering three major product forms

IT Home, November 15 news: Phosphorescence has significantly higher internal quantum efficiency than fluorescence, which can improve the energy utilization efficiency of OLED displays, thereby reducing power consumption and increasing peak brightness.

OLED has previously achieved phosphorescence in red and green devices. However, due to differences in light energy and other factors, phosphorescent blue has long been a major challenge, and commercialization of related technology has only made relatively significant progress in the past two years.

At this year's company Global Display Ecosystem Conference, TCL CSOT showcased blue phosphorescent sensitized fluorescent (PSF) products covering three major form factors: smartphones, tablets, and micro cameras. It introduces a sensitizer into blue devices to efficiently transfer triplet exciton energy to blue emitters.

To address the practical difficulties of blue phosphorescence, TCL CSOT independently carried out the ratio design of MIX mixed hosts and combined it with PSF system optimization to improve blue luminous efficiency; at the same time, it continues to advance research on the combination of MIX-BH and sensitizers, as well as refined control of processes and chamber atmosphere.

The company's three products target acceptance goals of Lum > 2000 nit and BI > 250, with an improvement of more than 40%. Among them, the smartphone display screen achieves a 30% reduction in power consumption at the same brightness.

![](https://img.ithome.com/newsuploadfiles/2026/11/5e93758f-ad27-4576

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