Samsung Display计划8月停产LCD面板

Release time:2019-06-27
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source:国际电子商情
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韩国三星显示器公司(Samsung Display)预计将在8月份停止其现有的液晶显示器(LCD)面板生产线,并将其转换成OLED生产线……

据Business Korea报道指出,Samsung Display在中小型有机发光二极管(OLED)面板市场占据主导地位,它将对用于电视的大型OLED面板进行大规模投资。

该公司此次的总投资额将达到2.5万亿韩元(约21.5亿美元)至近3万亿韩元(约25.8亿美元)。

早些时候,外界预计,该公司将在4月份宣布用于电视的量子点OLED(QD-OLED)投资计划,但后来该公司推迟了宣布这一计划。然而,为了自家OLED电视能按时量产,三星显示器将不再推迟投资。

据行业消息人士透露,三星显示器计划在本月底或下月初就投资QD-OLED电视面板做出最终决定。

业内观察人士认为,三星显示器公司将在7月份订购设备,并将在8月份关闭牙山校区的液晶显示器(LCD)生产线,将其改造为电视QD-OLED生产线。

OLED的工艺相较LCD而言,制造工艺简单,成本更低,能够在不同材质的基板上制造,可以做成能弯曲的柔软显示器。

LCD的原理

LCD( Liquid Crystal Display)即液晶显示器。其结构是在两片平行的玻璃基板中放置液晶盒,下基板玻璃社会在TFT(薄膜晶体管),在上基板玻璃置入彩色滤光片,通过TFT上的信号与电压改变来控制液晶分子的转动方向,从而达到控制每个像素点偏振光出射与否而达到显示目的。

我们知道,液晶电视是通过背光源发光的,而作为发光源的LCD的类型主要有两种:

一种是CCFL,指使用CCFL(冷阴极荧光灯管)作为背光光源的液晶显示器(LCD),具有色彩表现丰富的优势,缺点是功耗较高;

另一种是LED,指使用LED(发光二极管)作为背光光源的液晶显示器(LCD),具有体积小和功耗低的优势。用 LED 作为背光源,可以在兼顾轻薄的同时达到较高的亮度。

由于LED的色彩表现比CCFL差,因此专业绘图用的LCD仍多选用CCFL作为背光光源。


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