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transreflective display

Transreflective is a neologism made up of Transmissive and Reflective. Each pixel of a display can shine colorfully and brightly. It is either excited by the backlight, as in the LCD display, or by using reflective light, as in the transreflective display.

Transreflective displays do not require backlighting and save the energy required for it. However, the development and manufacturing costs of transreflective displays are higher than those of classic TFT displays.

Structure and function of the transreflective display

Structure and function of the transreflective display

Transreflective displays have the transreflective layer, the transflector, behind the LCD display. The transflective layer is made of a polarizing, light-transmitting material that partially reflects ambient light and allows background light to pass through. In strong ambient light, the transflector acts like a reflector. Contrast remains constant regardless of brightness. The backlight is only activated in dimmed light and in darkness; this can be done via a brightness sensor. The backlight is such that fonts on the display are legible.

Informations:
Englisch: transreflective display
Updated at: 17.03.2016
#Words: 159
Links: display, backlight, lost calls delayed (LCD), light, thin film transistor (TFT)
Translations: DE
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