dual scan display

Thân thiện

A laptop computer features a dual scan display for clear viewing.

Definition

1. Noun:
   • A type of passive matrix display technology: A "dual scan display" is a specific kind of LCD screen where the top and bottom halves of the display are refreshed (updated with new image data) at the same time. This method improves the screen's responsiveness and reduces visual artifacts like blurring or ghosting compared to earlier passive matrix displays.

Usage Examples

• Noun:
  • The older laptop featured a dual scan display, which was an improvement over single-scan passive screens.
  • For its time, the dual scan display technology offered better performance for basic animations.

Advanced Usage

• Technical Context: The term is primarily used in historical or technical discussions about the evolution of liquid crystal display (LCD) technology, particularly in reference to older laptops, handheld devices, or industrial equipment.
  • The device's specifications listed a passive matrix, dual scan display.

Variants and Related Words

• Passive matrix display (n): The broader category of display technology to which dual scan belongs. It contrasts with "active matrix display" (like TFT-LCD).
• DSTN (Double-layer Super-Twisted Nematic) (n): A common implementation of dual scan display technology.

Synonyms

• Dual-scan display (n): An alternative hyphenated spelling with the same meaning.
• Dual-scan passive matrix (n): A more descriptive synonym.

Related Phrases

• Dual scan technology (n): Refers to the underlying method of refreshing the screen halves simultaneously.
  • Dual scan technology helped mitigate the slow response of early LCDs.

Học thuật

Noun

1. a type of passive matrix display in which the top and bottom half of the screen are refreshed simultaneously