Can smart TV be changed into ordinary TV?

Smart TV should not only complete the decoding and display functions of traditional TV, but also run operating system and many applications, so it is necessary to give consideration to these two aspects in chip design. Smart TV chips mainly have two design schemes: single chip and dual chip. Most of the early designs were based on the "1+ 1" scheme of a TV board and an Android board.

The interface is still handled by the TV SoC chip, while the intelligent operating system, network and other applications are completed by the microprocessor. Although TV manufacturers can use the dual-chip scheme to design their own smart TV products and enhance users' smart application experience, the high cost is not conducive to the promotion of smart TV.

Domestic smart TV chips are mainly single chip, which has cost advantage on the one hand and reduces the difficulty of smart TV design and development on the other. A single chip contains two parts: a processor and a video codec. The processor is responsible for application running and web browsing. The video coding and decoding part is mainly based on the image processing engine, and the video coding and decoding work is completed by adopting the algorithm conforming to the broadcast signal standard.

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The liquid crystal molecular structure of a liquid crystal display is similar to a thin matchstick, which is called nematic liquid crystal. The liquid crystal display made of this liquid crystal is also called LCD (Liquid Crystal Display).

In LCD TV, a voltage is applied to the liquid crystal between two pieces of glass, and the picture is reproduced through the changes of molecular arrangement and twists and turns. The screen creates a picture through the collision of electron groups, and forms a picture through the perspective reflection of external light. The first liquid crystal display device in the world was manufactured by Sharp Corporation of Japan in the early 1970s, and it is called TN-LCD (twisted nematic) liquid crystal display.

Baidu encyclopedia-LCD TV

Baidu Encyclopedia-Smart TV