LCD is a kind of passive display device as known. It need the uniform light provided by backlight model.

众所周知液晶显示器是一种被动显示器件，需要背光模组提供显示所需要的均匀光源。

youdao

Supported by a project, this thesis presents the technology about passive sonar display and signal detection in design of the sonar display console.

本文结合工程项目的需要，介绍了在设计被动声纳显示平台中所使用的信号检测技术和显示处理技术。

youdao

The software part is consist of opening out PCI driver program, scheduling logic, the display interface of passive mode and the FM, CW, all-scene, fan-scene of active mode.

软件部分介绍了系统的PCI驱动程序开发方式，时序逻辑的实现，还有系统的被动显示界面、主动FM、CW、全景、扇面显示界面的设计。

youdao

Granted, the Hyundai (passive) display wasn't nearly as humongous as the 72-inch Sammy, but make of that what you will.

ENGADGET: ESPN 3D officially launches with FIFA World Cup coverage: live from Bristol

RealD also provides its RealD Format, active and passive eyewear, and display and gaming technologies to consumer electronics manufacturers and content producers and distributors to enable the delivery and viewing of 3D content on high definition televisions, laptops and other displays.

ENGADGET: PopBox licenses RealD's side by side frame compatible 3D format

And passive 3D TVs can only display 3D content at half-resolution: 540 lines, rather than 1080, but the smoother 3D is more noticeable than the lower resolution.

FORBES: CES: Toshiba's Ginormous Glasses-Free 3D TV