显示器不再只是一个窗口。 它是一个输入设备。 一台电视。 一台独立的计算机。 您眼前的硬件比其上运行的软件的发展速度更快，将被动观看转变为主动交互。
触摸屏现在无处不在
触摸屏显示器已从小众信息亭转移到主流办公桌。 您不需要手写笔或鼠标。 只需你的手指。 It’s usually one of three methods working in the background。 它通常是在后台工作的三种方法之一：红外传感器、压敏电阻器或电子电容器。
红外网格检测物体何时打破光束。 电阻器依靠物理压力来完成电路。 电容器使用来自皮肤的电荷。 每个都有优点和缺点。 红外线很耐用，但会被眩光所欺骗。 电阻器很便宜，但摸起来很钝。 电容式屏幕提供了我们对智能手机所期望的平滑、反应灵敏的感觉，这就是它们在现代触摸显示屏中占据主导地位的原因。
Wireless Monitors: Ditch the HDMI
Why run another cable across the floor? Wireless displays are becoming more and more popular. It looks like a tablet. thin. light. Battery powered. Connect via Wi-Fi standards such as 802.11b/g and free your desk from cable clutter.
Most have their own controls. Buttons for mousing. Web surfing capabilities. Some even include a keyboard. This makes it a secondary display that doesn’t need to be connected to your computer’s video port. Many also have touchscreen functionality, combining the convenience of a tablet with the practicality of a second screen. You can also move it to the sofa. Take it to the kitchen. Use it for quick checks without waking up your main machine.
The screen is also a television
The key word here is integration. Some monitors have a built-in TV tuner. Connect the cable. Watch TV on your computer screen. No set-top box required. Other devices accept S-Video input directly from a DVD player or game console.
The real difference is High Definition Television (HDTV) support. With the picture-in-picture feature, you can watch movies and browse the web at the same time. Many of these devices come standard with a remote control that turns your screen into a home theater center. This blurs the line between productivity tools and entertainment centers. Which do you prefer: a stand-alone TV or a multifunction display?
VESA: The Rule Makers
Behind the scenes, the Video Electronics Standards Association (VESA) manages the chaos. They develop industry-wide connectivity standards for personal computers, workstations and consumer electronics. Their goal? Interoperability. They want the graphics card to be able to easily communicate with the display.
VESA’s influence stretches back to August 1992, when the VESA Local Bus (VL-Bus) standard 1.0 was introduced. This was the first local bus standard to be developed. It provided a uniform hardware interface. Suddenly, video drivers, monitors and system software from different manufacturers could work together. Compatibility wasn’t a luxury. It was a requirement.
Today, VESA is a global organization. They promote innovations in tablets, graphics and system technology. They are shaping the way we network our homes and the way we experience computer theater. Without these, each monitor would require its own drivers and cables. Standardization makes technology accessible.
The hardware is getting thinner and thinner. Faster. More connected. But the core question remains. How many screens do we really need? And where does the display end and the experience begin?
