▲(From left) The Samsung developers who built the integrated circuits in the company’s 8K TVs – Sangdeok Kim, Hansoo Seong, Junghyun Lim, and Yongjoo SongWith the continued evolution of high-definition televisions, the worlds displayed on our TV screens are becoming more realistic than ever. 8K TVs, which represent the new standard of premium television, maximize immersion by providing such vivid high definition that it is like users are beholding the scenes before their very eyes. This incredibly sharp resolution was made possible by the enhancement of the semiconductors within the TVs. Capable of enabling the functions that allow sharper resolution, these solutions are the DTV SoC (Digital TV System on Chip), T-CON (Timing Controller), and DDI (Display Driver IC). Samsung Newsroom sat down with the developers of S6HD820 (which opened the door for 8nm1 DTV SoC), S6TST21 (the industry’s first 8K 120Hz T-CON) and S6CT9BC (a DDI with a maximum speed of 8Gbps) to hear the story of the unseen innovation behind these solutions. From DTV SoC to DDI – Sending Video Signals to Displays Unlike in the past when televisions were only used for watching shows, the role of the TV has gradually expanded over time. These days, our TVs are becoming a platform that also allows us to play games, work out as well as do a broad range of other activities. As people come to expect a more diverse range of features from their TVs, a higher standard of premium features is also being brought to televisions. TVs are output devices for content, making a high standard of picture quality crucial for user satisfaction. Digital signals generally undergo three stages before being displayed. First, the DTV SoC receives compressed data from broadcasts or the internet, extracts the data to convert it into video and sends the video and audio to the screen and speakers. The T-CON then receives the processed video data and sends it back to the DDI with careful timing to ensure smooth operation. Last, the digital signal sent to the DDI is converted to an analog format and the video is displayed on the TV screen. Simplifying DTV SoC with ‘One Chip’ and Enhancing NPU Function The DTV SoC, which receives video data from a cable or set-top box, is also referred to as ‘the brain of the TV.’ Hansoo Seong, who is part of the DTV SoC development team, explains that, “The DTV SoC extracts the audio and video signals separately from the compressed input stream. It then provides the function that adjusts the audio and video data according to each scene being displayed.”
1 nm: nanometer
2 Upscaling IC: A semiconductor that converts low-resolution videos into high resolution (converts 2K and 4K videos into 8K)
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