Performance simulation of diffuser with microstructure for LCD backlight system

Yongmin Shi; Qiaofeng Tan

doi:10.1117/12.869875

15 November 2010 Performance simulation of diffuser with microstructure for LCD backlight system

Yongmin Shi, Qiaofeng Tan

Proceedings Volume 7852, LED and Display Technologies; 785206 (2010) https://doi.org/10.1117/12.869875
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

Direct-light type backlight module is widely used for large size liquid crystal displays (LCDs). Many methods have been proposed to thinner the thickness and simplify the structure. In this paper a new kind of diffuser, with micro prisms on the top and micro spheres on the bottom, is used to reduce the thickness for the direct-light type backlight module. Simulated results show the microstructures on the diffuser can help to reduce the thickness between the diffuser and the light source, while keeping the illumination uniformity and increasing the light efficiency.

Citation Download Citation

Yongmin Shi and Qiaofeng Tan "Performance simulation of diffuser with microstructure for LCD backlight system", Proc. SPIE 7852, LED and Display Technologies, 785206 (15 November 2010); https://doi.org/10.1117/12.869875

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