韩国痛心疾首:LG向中国出售OLED关键设备
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近日,有韩国媒体报导,韩国电子大厂乐金电子(LG
Electronics)因为决定将生产OLED面板的关健设备卖给中国厂商,而该设备与乐金显示器(LG
Display)用在目前产在线的设备相同,所以引发韩国业界议论。业界担心,如果中国厂商取得设备,则将会缩短与韩国在OLED面板生产技术上的差距,如同助中国OLED面板产业一臂之力。
消息指出,乐金电子将出售的OLED薄膜封装机,是用在红绿蓝(RGB)三色蒸镀之后的封装作业上,用以隔绝OLED受氧气、水分渗透影响。封装机采喷墨印刷方式,让有机物层可在短时间内与无机物层交互堆栈,进而成保护薄膜。
事实上,乐金电子早在2016年5月就已经决定将设备卖给中国深圳天马为电子公司,预计2017年第2季就会出货,届时包括薄膜封装机等生产OLED面板设备,都会运至天马微电子的武汉工厂,而天马微电子预计在2018年第2季启动OLED面板量产。
乐金电子将卖给天马微电子的设备,与旗下OLED生产厂商LGD当前所使用的最新制程的设备相同。LGD不久前才在E5工厂的中小尺寸OLED产在线装设喷墨印刷机,还在进行机台测试。而且,预计不久后也会在E6工厂装设相同设备。其中,传闻E6是LGD为争取苹果(Apple)新款iPhone智能型手机的OLED面板订单所设立的产线。
有韩国业内人士表示,有机物蒸镀制程与形成保护膜的封装技术,是OLED面板生产过程中的两大关键。而LGD是三星显示器之外,全球目前唯一拥有可量产中小尺寸OLED产线的业者。至于,深圳天马微电子购得乐金电子的薄膜封装机后,若搭配电浆辅助化学气相沉积(PECVD)设备使用,几乎将解决一半OLED制程问题,进一步缩短与LGD在生产OLED面板上的差距。
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