There are several different types of portable TVs available in the market. Here are a few examples: 1. LCD Portable TVs: These TVs use liquid crystal display technology to produce images. They are compact and lightweight, making them easy to carry around. 2. LED Portable TVs: LED TVs use light-emitting diodes to backlight the screen. They offer better picture quality and energy efficiency compared to LCD TVs. 3. OLED Portable TVs: OLED TVs use organic light-emitting diodes, which allow for thinner and more flexible displays. They provide excellent color reproduction and contrast. 4. CRT Portable TVs: Cathode ray tube TVs are the traditional bulky portable TVs. Although not as popular nowadays, they offer a lower price point and can still be found in the market. 5. Smart Portable TVs: These TVs come with built-in Wi-Fi and smart features, allowing users to access online streaming services and browse the internet. 6. DVD or Blu-ray Portable TVs: Some portable TVs come with built-in DVD or Blu-ray players, allowing users to watch movies directly from discs. It's essential to consider factors like screen size, resolution, connectivity options, battery life, and overall performance when choosing a portable TV.