液晶顯示器組裝製程創新與六標準差管理之研究

Liquid Crystal Display assembled in process innovation and six sigma management of research

蔡文軒(Wen-Hsuan Tsai)

指導教授 ： 陳坤成

亞洲大學/管理學院/經營管理學系碩士在職專班/碩士(2009年)

摘要

隨著科技之進步，通訊技術迅速發展、資訊化日益普及，液晶顯示器 (Liquid Crystal Display﹐ LCD)是資訊科技時代人們傳遞訊息與相互溝通的重要界面，其中液晶顯示器具有輕、薄、低耗電量、低功率等優點，所以廣泛應用於日常生活的電子商品上，順應這股資訊化之發展，液晶顯示器之應用，在短短數十年間，呈現跳躍式之成長，因此液晶顯示器的需求日益增加，而隨著台灣面板產業的產品生命週期逐漸趨於成熟，加上面對韓國與日本的激烈競爭下，持續降低成本是當前液晶顯示器業者全力積極努力之必要工作。
組裝製程為液晶顯示器中之重要製程，然而本研究藉由六標準差之管理方法與製程創新之概念，來改善液晶顯示器組裝製程品質，依專案管理改善步驟 (define measure analyze improve control, DMAIC)實施品質改善，透過實驗設計(Design of experiment, DOE)之分析手法，與特性要因圖之方法找出製程中之變異數，進而實施檢定分析，確認重要顯著因子實施實驗改善，提升液晶顯示器組裝製程品質。六標準差的改善手法，不管是從體制內的改善（定義、衡量、分析、改善與管制）或是體制外的改善（定義、衡量、分析、設計與驗證），都可以依循其所定義之五個步驟流程去執行改善專案，讓公司所有階級與部門都能清楚明瞭六標準差的手法與其中所帶來的效益，共同為公司的永續發展而努力。
因此本研究以A公司為例，利用六標準差管理的專案改善步驟，找出影響液晶顯示器組裝製程品質不佳的原因，再以檢定分析配合因子實驗設計獲得其最佳化製程條件。由研究結果顯示經由因子實驗設計分析可大幅改善液晶顯示器組裝不良率，改善前y1與y2佔整體液晶顯示器組裝不良率高達 2.76%，改善y1與y2後其液晶顯示器組裝不良率已降為0.78 %。因此，此結果驗證六標準差管理與製程創新可有效提升產品製程品質，節省生產成本，進而增加企業利潤與競爭力。

關鍵字

六標準差 ； 液晶顯示器 ； 製程創新 ； 因子實驗設計 ； 製程品質

並列摘要

The progress of the communications rapid technological advances, information technology increasingly popular and Liquid Crystal Display (Liquid Crystal Display; LCD) is it era the messages and communicate with each other important interface, which liquid crystal display of light, thin and low power consumption, low-power advantages, the daily life of the widely used electronic goods, comply with the unit of information technology development, liquid crystal display of the application in just a few ten years, leaping show the growth of the growing demand liquid crystal displays with Taiwanese Panel industries to German product life gradually came to mature, faced with South Korea and Japan's fierce competition, it sustained efforts to cut costs is the current LCD industry is a need to fully and actively.
The Assembly of the LCD important in process, however, the study subject six sigma management methods and in the process innovation concept, to improve LCD assembled in process quality, in the project management improvement steps(define measure analyze improve control, DMAIC), Implementation of a quality improvement, through experimental design(Design of experiment, DOE) The analysis techniques, and the identity of ways and means to identify variations in the process of several thereby introducing testing analysis, identify important significant factor implementation of pilot improve, enhance LCD assembled in process quality. six sigma standards margin improvements practices, both in the improvement within the system (Definitions, measurement, analysis, improvement and control) or is outside the system improvement (Definitions, measurement, analysis, design and check ), which will be followed by the definition of five steps to implement flow improved project that a company all classes and sector can clear six sigma and practices of the benefits, common as the company's sustainable development.
The research to A companies, for example, use of six sigma management of the project improve steps to identify LCD assembled process low-quality reasons, to check the analysis factor experimental design was the best process. The study indicated liquid crystal displays by assembled by ratio of bad factor of experimental design implementation LCD assembled process improve, improving y1 and y2 total LCD assembled bad rate 2.76 percent, improve y1 and y2 assembled its LCD bad rate has dropped 0.78 percent. Therefore, the inspection six sigma management and process innovation would effectively upgrade product process quality, save costs of production, thus increasing the business profits and competitiveness.

並列關鍵字

six sigma ； liquid crystal display ； process innovation ； design of experiment ； process quality

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