Thermal-deformation characterization on the panel of TFT-LCD TV. Part I: Mechanism of color distortion

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题名:	Thermal-deformation characterization on the panel of TFT-LCD TV. Part I: Mechanism of color distortion
作者:	Chu,CY;Chan,CP;Pan,MC
贡献者:	機械工程研究所
关键词:	DIFFUSER
日期:	2009
上传时间:	2010-06-29 18:02:52 (UTC+8)
出版者:	中央大學
摘要:	In this study we applied both numerical simulation and experimental validation to characterize the thermal deformation of the panel and the direct-lit backlight unit (BLU) of a thin-film-transistor liquid-crystal-display television (TFT-LCD TV). Heat emitted from cold-cathode fluorescent lamps (CCFLs) causes thermal deformation of the LCD and extrudes the panel from the metal front shield at both upper corners: this finally leads to color distortion. In the numerical simulation based on thermal-fluidic fields of the TFT-LCD TV, natural convection of air that surrounded the CCFLs resulted in a high temperature at the upper-right and upper-left corners of the LCD panel. Numerical results were verified by temperature measurements with good consistency. Additionally, this study has established a measurement system to characterize the temperature distribution on both the BLU and panel and the thermal deformation of the panel causing the color distortion.
關聯:	JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY
显示于类别:	[機械工程研究所] 期刊論文

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