noun
display device; display unit
Technical term used in computing and electronics for a hardware device that presents visual information, such as a monitor, indicator, or screen.
この表示器は高解像度に対応している。
This display device supports high resolution.
温度表示器が故障したので交換が必要
The temperature display unit has broken down, so it needs to be replaced.
Refers specifically to a monitor or screen; 表示器 can be a broader term including simple indicators and panels.
Compound of 表示 (ひょうじ, 'display, indication') and 器 (き, 'device, instrument'). A straightforward technical term formed from Sino-Japanese elements.