Samsung Electronics has long established itself as a pioneer in display innovation, and its QLED technology represents one of the company’s most defining achievements.
Built upon cadmium-free quantum dot materials that Samsung commercialized ahead of the industry, QLED TVs demonstrate how advanced science and engineering can significantly elevate the viewing experience.
Known for delivering high brightness, vibrant color accuracy, and exceptional picture clarity, QLED has become a benchmark in the premium TV category.
But what truly makes Samsung QLED TVs different from conventional LED or LCD models? To answer this, Samsung Newsroom joined researchers Kevin Cha and Jang Nae-won from Samsung’s Visual Display Business to dismantle a QLED TV layer by layer.
Their exploration offers rare insight into the inner workings of a device many of us use daily, yet seldom see beyond the surface.
1. The Operating Module — The TV’s Core Intelligence
Rear Cover: The Protective Backbone
The teardown begins with the back panel — a component that may seem simple but plays several important roles. Beyond acting as a structural base, it provides heat management, protects internal components, and houses built-in speakers.
Its thoughtful design ensures stability and enhances the TV’s audio performance, while also offering user-friendly connectivity options.
Main PCB: The Central Processor
The main PCB is often described as the “brain” of the television. It manages essential functions like remote control reception, power distribution, and SmartThings connectivity. This central board ensures every system works harmoniously, enabling smooth and responsive operation.
TV Tuner: A Crucial Component
While streaming platforms dominate modern viewing habits, the TV tuner remains essential because it defines what makes a device a true “television.” This component receives and converts broadcast signals — ensuring viewers can still enjoy traditional TV channels.
AI Processor: Elevating the Experience
One of Samsung QLED’s standout features is its Q4 AI Processor. This processor is responsible for real-time enhancements such as picture optimization, sound adjustments, and intelligent environment-based tuning.
It automatically calibrates brightness, contrast, and audio levels to create a more immersive and natural experience for viewers.
Speakers: Immersive Soundstage
Samsung QLED TVs incorporate high-quality speakers that deliver rich, room-filling sound. These aren’t just basic audio outputs — they’re designed to complement the stunning visuals with high-resolution, multidimensional audio.
2. The Display Panel — Where Images Come to Life
LCD Layer & Color Filter
The panel includes a liquid crystal layer and a color filter, both essential for creating detailed images. The LCD layer controls light passage, while the color filter isolates individual colors at a pixel level.
The attached PCB ensures that every pixel is precisely managed, resulting in sharp, accurate images.
Optical Sheet: Concentrated Brightness
Next comes the optical sheet, which distributes and intensifies the backlight. This ensures consistent brightness across the entire screen, eliminating uneven lighting and boosting visibility.
Quantum Dot (QD) Layer: The Heart of QLED Technology
The QD layer is the most defining feature of Samsung QLED TVs. This layer contains real cadmium-free quantum dots—ultra-fine particles that convert blue LED light into vibrant, pure colors.
The result is a wider color gamut, higher brightness levels, and enhanced color accuracy compared to traditional LCD TVs. Samsung’s QD materials are certified as non-toxic and safe, further solidifying the brand’s leadership in display innovation.
Diffuser Plate: Even Spread of Light
The diffuser plate ensures that light from the backlight spreads evenly across the panel. This avoids bright spots and preserves natural illumination, crucial for a comfortable viewing experience.
Blue LED Backlight: High Efficiency and Pure Color
Instead of standard white LEDs, Samsung QLED TVs use blue LED backlights paired with the QD layer. This combination produces purer colors and better light efficiency, contributing to superior luminance and vibrant picture quality that traditional LCD TVs simply cannot match.
3. What Defines a True Quantum Dot TV?
Samsung highlights three conditions that must be met for a TV to earn the title of a real quantum dot display:
- A dedicated QD layer
- High quantum dot concentration
- A blue LED backlight
Samsung QLED TVs are the only models globally certified by TÜV Rheinland as “Real Quantum Dot Displays.” This recognition underscores the authenticity and technological superiority of Samsung’s implementation.
4. QLED vs. LCD — The Measurable Difference
Using professional color spectrum analysis, researchers compared Samsung QLED TVs with conventional LCD models. QLED displayed narrow bandwidths and strong peaks for red, green, and blue — indicating precise color reproduction.
LCD TVs, on the other hand, showed weaker and inconsistent color peaks, resulting in less accurate colors and lower brightness efficiency.
QLED’s advantage is therefore not just visible to the naked eye — it is scientifically measurable.
Why Samsung QLED Stands Out?
The detailed teardown reveals the sophisticated harmony of components inside Samsung QLED TVs. From the AI processor to the blue LED backlight and QD layer, every part works together to deliver exceptionally lifelike visuals.
At IFA 2025, Samsung emphasized the message: “Buy Real, Not Fake.” For viewers seeking premium quality, advanced engineering, and long-lasting performance, Samsung QLED TVs clearly offer genuine value rooted in real quantum dot technology.
For more information, please visit: https://news.samsung.com/my/
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