2021年第1季由於2020年同季因疫情與中美貿易戰緣故，比較基期偏低，造成台灣光電各產業的產值增幅均由負轉正，其中又以平面顯示器因為宅經濟與原料零組件短缺等因素激勵面板價量齊揚，為所有光電產業中年增幅最大，高達45.3％。

In the first quarter of 2021, due to the epidemic situation and the Sino-US trade war in the same quarter of 2020, the base period was relatively low, causing the output value of Taiwan's photonics industries to increase from negative to positive. Among them, flat panel displays were due to the housing economy and the shortage of raw materials Factors such as incentives for panel prices and volume have risen, which is the largest mid-year growth rate for all photonics industries, up to 45.3%.