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Xiaomi has moved its entire 17-series flagship line to TCL CSOT displays, with the Xiaomi 17 Ultra and the 17 Ultra Leica Edition now sporting TCL CSOT’s advanced Real RGB panels. The switch marks a deeper hardware collaboration between the two companies and brings notable gains in brightness, color accuracy, and energy efficiency.
What Real RGB actually means for your screen
Most OLED panels use a PenTile sub-pixel arrangement that shares color elements between pixels. TCL CSOT’s Real RGB takes a different path: every pixel gets a dedicated red, green, and blue sub-pixel. The result is cleaner text, reduced color fringing, and sharper imagery — effectively delivering the crispness you expect from a true 2K display without the visual compromises common to many OLED panels.
Sharp text, truer colors, less compromise
Imagine reading small type or scanning mobile web pages and noticing fewer jagged edges and color bleed. That’s the practical upside of eliminating sub-pixel sharing. For photographers and HDR content fans, Real RGB also helps preserve fine detail and color fidelity when tone mapping high dynamic range scenes.
Standout specs on the 17 Ultra
- 6.9-inch flat 2K OLED using TCL CSOT’s M10 emitting material.
- Adaptive LTPO refresh from 1Hz to 120Hz, balancing smoothness and battery life.
- Up to 3500 nits peak brightness for excellent outdoor visibility and HDR highlights.
- Luminous efficiency measured at 82.1 cd/A, enabling higher brightness at lower power draw.
- Reported power savings up to 26% versus earlier generations thanks to Real RGB plus an efficient LTPO backplane.
- Support for LOFIC HDR to better reproduce the dynamic range captured by the 1-inch main sensor on the Ultra.
Why Xiaomi went exclusive with TCL CSOT
The partnership has matured over years. Since signing their strategic cooperation in 2017, Xiaomi and TCL CSOT opened a display innovation lab in 2021 and expanded it with a Phase II upgrade in July 2025. That engineering tightness gives Xiaomi the ability to request precise hardware tuning rather than relying on off-the-shelf panels, which is why the 17 family — 17, 17 Pro, 17 Pro Max, and now the 17 Ultra and Leica Edition — all share the Real RGB solution.
Earlier this year Real RGB debuted on the 17 Pro and 17 Pro Max; the Pro Max also included a novel 2.9-inch rear AMOLED screen. For the Ultra, Xiaomi chose to drop the secondary display and concentrate engineering resources on camera performance and the main panel’s imaging pipeline.
For users, the outcome is straightforward: brighter screens that handle HDR more faithfully, crisper text and images, and better battery life under many usage conditions — benefits that are both measurable on paper and noticeable day-to-day.
Source: gizmochina
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