自2003年起，全球面板廠商在液晶監視器取代CRT監視器的潮流下，帶動對背光模組需求大幅成長，使得背光模組廠商在2003年及2004年之獲利均出現大幅度成長，不過2005年起在面板景氣成長動能趨緩，使得面板廠商強烈要求上游關鍵零組件廠商降價，而由於背光模組為面板重要關鍵零組件，且成本比重亦高，故使得背光模組價格受到面板廠的壓縮，出現大幅度的下滑，不過由於在面板廠的大幅度擴產下，對背光模組之需求旺盛，因此本產業廠商仍能維持穩定的獲利。
2006年背光模組業則因受到面板產業景氣不佳的影響，產生強大的降價壓力，加上面板廠商採用減產方式以避免供過於求的幅度持續擴大，使得對背光模組的需求減緩，所幸我國廠商在營運規模持續擴大以及產品技術持續精進下，國際競爭力大幅提升，使得部分廠商如中光電、瑞儀等，已順利切入日本、韓國及中國等面板廠商的供應鏈，因此使得我國背光模組業景氣在2006年仍維持成長態勢，不過已出現成長趨緩的現象。
為了因應不景氣時期的考驗，或在景氣好時保握獲利機會，企業必須了解本身的經營效率與同業間的差異，並設法提升自己的經營績效。
本研究採用資料包絡分析法（DEA），對8家背光模組產業進行經營績效之評估，選擇各公司之員工人數、總資產、營業成本做為投入項目，而以營業利潤做為產出項目，經由DEAP軟體之運算，得到各廠家之效率值分析結果。為使分析更為可靠亦進行敏感度分析。
綜合本研究之結果，獲得以下結論：
一、 我國背光模組產業有一半以上的廠家具有良好的競爭力，生產效率也達標竿前緣，惟目前市場景氣變化莫測，應不斷的成長與改善才能面對未來的競爭並獲取更大的利潤。
二、 投資背光模組產業必需做好內部的經營管理以及財務管理，對於投入的營業成本更需時刻小心，稍有不慎即會影響整體公司獲利。
三、 要獲得良好的經營績效除具備生產效率佳、健全的財務以外，當然採購的判斷決策與銷售制度以及優秀的領導人亦為影響的重要因素。

Since 2003, The global panel manufacturer under the trend of liquid crystal replaced the CRT monitor, To drive backlight module market demand growth, To made backlight module manufacturer into a profit appearing and growing up during 2003 2004, but the LCD panel prosperity eased up in 2005, will make the LCD panel manufacturer require the key spare parts supplier to make price reduction strongly, and because the backlight module is the important key spare parts of the LCD panel, and the cost is also high in specific gravity, so make the backlight price compressed by the panel factory. But because LCD factory is still capacity expanding, in great demand to the backlight, so this industry manufacturer can still maintain steady making a profit.
In 2006, The backlight assembly manufacturer suffer the influence of low cycle of the LCD panel for strong pressure in price reduction, in addition, the LCD panel manufacturer adopts the way of dropping in production in order to prevent the LCD over supply, it is slow down to backlight module demand. Fortunately, Our country manufacturer expand the capacity scale continuously and under product technology progress greatly continuously in operation, and improve international competitiveness, To make some backlight manufacturers such as Coretronic Corporation, Radiant Opto-Electronics, etc.,. have already getting the supply chain of such LCD panel manufacturers as Japan, Korea and China,…etc., So make the backlight module manufacturer of our country still keep grow up the situation prosperously in 2006, but has already presented and grown up the phenomenon that has eased up.
To encounter the challenge in recession, or to seize the right opportunity in the boom, every corporation must understand their differentiation from other competitors, and strive to improve their management performance.
With application of Data Envelopment Analysis（DEA）approach, this study conducts performance analysis among eighteen backlight module, The input factors include the number of staff, total assets and processing cost；the output factor is net profit, While interacting the above factor and calculated by DEAP software, performance efficiency results for each backlight module are measured, including category of efficiency unit, the best inputs in each backlight module. A sensitive analysis has also been conducted to achieve more accuracy.
The outlines of conclusion drawn from the study are as follow：
1. Around half of backlight module in Taiwan are very competitive. However, to cope with the fast shifting environments, continuous improve and growth is the only way to survive and make profit in the future.
2. Investment of backlight module should consider inside managements and financial manufacturing.
3. The essential criterion to achieve better performance comprise satisfactory production efficiency, solid financial, of course, purchase policy, sales system and excellent leader, and so on.

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