Expert BOE Technology Group Co., Ltd. Beijing, China (People's Republic)
This report discusses a glass based ultra-thin Red, Green and Blue Mini-LED direct back light for high-end professional liquid crystal displays. In this work, a gradient reflected pattern combined Mini-LED driving lines reflect light scattering between the patterns and back reflector of back light unit, and therefore enlarge Mini-LED optical length. A group of a red, green and red Mini-LED is using to generate white for display, replacing a 0.3-0.5mm thick color changing film. The total thickness of Mini-LED direct back light is reduced to 1.595mm when the Mini-LED pitch is about 4.75mm. This direct back light can realize high-dynamic range to improving display quality without cost consumption and then extend lifetime liquid crystal display lifetime in coming decent years.
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