OLED and QLED are two different display technologies used in modern televisions.

OLED (Organic Light Emitting Diode) displays work by lighting individual pixels directly, creating deep blacks and high contrast. OLED screens are also flexible, allowing for curved displays which can enhance the viewing experience and improve immersion in movies and games.  They also faster response times meaning they can display fast-moving images more smoothly and with less blurring.

QLED (Quantum Dot Light Emitting Diode) displays, on the other hand, use a backlight behind a layer of quantum dots to produce colors. QLED TVs are known for their brightness, color accuracy, and wider viewing angles compared to traditional LED/LCD displays.

In terms of picture quality, OLED TVs tend to have better blacks and higher contrast, while QLED TVs offer brighter and more vivid colors. The choice between OLED and QLED comes down to personal preference and the specific use case.

Additionally, both OLED and QLED are constantly evolving, with manufacturers continually improving and refining the technology to deliver better picture quality and performance.

Typically, OLED TVs are more expensive than QLED TVs. OLED technology is still relatively new and requires a more complex manufacturing process, which can result in higher prices. Additionally, OLED displays are often considered to offer a premium viewing experience, which can also contribute to the higher cost.

However, the price difference between OLED and QLED TVs can vary depending on the size and features of the TV. It is possible to find smaller OLED TVs that are priced similarly to similarly-sized QLED TVs, while larger OLED TVs can be significantly more expensive.

It is important to keep in mind that the overall cost of a TV includes more than just the price of the display technology, and to consider factors such as size, features, and brand reputation when making a purchase decision.