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  • 學位論文

TFT-LCD 內 Vcom 均勻度與液晶配向 PI 膜厚度變異的關係

The relation of Vcom uniformity to the thickness variation of PI alignment layer in TFT-LCDs

指導教授 : 楊界雄

摘要


本論文研究之主題,主要是針對面板畫質–Flicker 現象做快速調整與分析,藉由自行開發的人機介面系統板與 CA-210 色彩量測分析儀連線,並透過玻璃大板的均一性分佈(Uniform Percentage, U%)進行分析,即可迅速統計出 TFT-LCD 內各種膜厚的變異關係。 此外,將玻璃大板另外區分成四分小板,可幫助釐清機台製造的偏差趨勢,且經 SEM 量測 PI 膜的厚度,即能對應出 Vcom 的偏移,幫助製程做修正,以達到高水準的出貨畫面品質。

並列摘要


In this thesis, CA-210 manufactured by Konika Minolta Optics has been used to measure the color components of TFT-LCDs . By driving a TFT-LCD panel with proper waveforms, flicker variations within the panel have been minimized by using an instrument to measure the flickes with automatic adjustments of Vcom . The measured variations of Vcom within four quadrants of the TFT-LCD panel have been correlated to the measured variations of the liquid-crystal alignment layers in that panel by SEM. The results have been applied to improve uniformity of liquid-crystal alignment layers in manufacture of TFT-LCD panels for low flickers and high-display quality .

並列關鍵字

Flicker VCOM TFT-LCD Uniform Percentage

參考文獻


[14 ] 張鼎張,「InGaZnO Thin Film Transistor Display」,2~9頁,
[16 ] 朱益男,「 朱益男,「 TFT -LCD 模組之可適性影像對比增強」, 模組之可適性影像對比增強」, 10 ~11 頁, 中原大學,碩士
[19] 楊士明,「液晶顯示器畫面產生抖動閃爍成因探討及解決方法之研
書籍:
[1] 田民波,薄膜技術與薄膜材料,初版,顏怡文校定,五南圖書

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