文档介绍：Basic Knowledge of Display Technologies
Leo Ye
June 2009
January 2008
1
视觉暂留现象 Visual staying phenomenon
January 2008
2
Projection Type
Front Projection Display
Transmittive Projector
Such as most Portable Projector
Rear Projection Display
Reflective Projector
Such as Projection TV
By Projection: Front or Rear
By Image Engine Type: Transmittive or Reflective
January 2008
3
Common Parameters of Display
Resolution (分辨率)
1024x768 (XGA)
Brightness (亮度)
2000流明(2000 ANSI Lumens)
Contrast (对比度)
2000:1
Refresh Rate (刷新速度)
View Angle (视角)
170 degree
January 2008
4
Current Display Technology
CRT: Cathode ray tube
DLP:Digital Lighting Processing
LCD: Liquid Crystal Display
LCOS: Liquid Crystal On Silicon
OLED: Organic Light Emitting Diode
Plasma: N/A
January 2008
5
CRT
January 2008
6
LCD
January 2008
7
OLED-1
January 2008
8
OLED-2
January 2008
9
Projection Display Schematic
White Light Source: Tungsten-Halogen and Metal-Halide Lamp
Image Engine: CRT, LCD, DMD, GLV and LCOS…
Lens and Optical Prism: Zoom Lens, Collimator, Micro Lens Array, Prism
Color Separator: Color Filter, Color Filter Wheel, Dichroic Mirror
Control System: VCR, Computer, DVD
Screen: Matt Finish Surface, Gain Reflective Surface
January 2008
10