Kanji 半 half, middle, odd number 透 transparent, permeate, filter 過 overdo, exceed, go beyond Related words 透とう 過か 型がた 液えき 晶しょう パネル A transmissive LCD panel relies entirely on a backlight and is less visible in bright ambient light, unlike a semi-transmissive panel which also reflects light.
反はん 射しゃ 型がた 液えき 晶しょう パネル A reflective LCD panel uses only ambient light and has no backlight, making it power-efficient but unusable in the dark, whereas a semi-transmissive panel combines both methods.
Etymology Compound of 半透過 (semi-transmissive) + 型 (type) + 液晶 (liquid crystal) + パネル (panel). A descriptive technical term with no deeper historical derivation.
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