LED light spectra Red, Green, Blue LEDs “White” Blue LED
LED vs OLED
LED vs OLED
Liquid Crystal Display (LCD) Off On
Visual persistence
Halftone dots (newspaper printing)
1910 postcard
Subtractive Colors
Color Halftoning
Screening vs Error diffusion
Floyd-Steinberg error diffusion
Film formats Cinemascope: 1. 85 : 1 aspect ratio (with anamorphic lens)
35 mm Film
Film grain
Digital cinema camera 2048 x 1080 (2 K format) or 4096 x 2160 (4 K format)
Digital cinema formats
Digital cinema projector
TV Standards worldwide
Interlacing artifacts
Digital TV formats spec Horizontal pixels Vertical Aspect pixels ratio Monitor interface Format name ATSC 1920 1080 16: 9 1080 i 1280 720 16: 9 720 p 704 480 16: 9 480 p 480 i 704 480 4: 3 480 p 480 i 640 480 4: 3 480 p 480 i 4: 3 Note 1 1080 60 i 1080 30 p 1080 24 p 720 60 p 720 30 p 720 24 p 480 60 p 480 60 i 480 30 p 480 24 p NTSC » 640 483 Frame s per sec 30 30 24 60 30 30 24 30 Fields per sec 60 30 24 60 60 30 24 60 Transmitte d interlaced yes no no no yes no no yes