File name LCDPanel.PDFTechnical Training Manual
for TFT-LCD Monitor
Visual Display Division
Contents
w LCD Panel
w Inverter.
w Term of LCD monitor
w Principle of LCD monitor
w Summary of LCD monitor
w Explanation for each LCD monitor.
w Use Manual
for DDC and Adjustment Jig
w Appendix
for schematic of LCD model
STRUCTURE of TFT LCD Pixel
1. Polarizing filter : This controls the light
entering and leaving.
2. Glass substrate : This stops the filtering of
electricity from electrodes
3. Transparent electrodes : These electrodes
drive the LCD. A highly transparent material
is used that will not interfere with the quality
of the image's integrity.
4. Alignment layer : Film is used to align the
molecules in a fixed direction.
5. Liquid crystals
6. Spacer : Maintains a uniform space between
the glass plates.
7. Color filter : Color is expressed through the
use of R, G and B filters.
8. Backlighting : The display is lit from behind
to make the screen brighter. In some types
of monochrome LCDs, a mirror is used
in place of backlighting so the display can
be seen with ambient light.
STRUCTURE of Structure of TFT LCD
TFT LCD
Polarizer
Micro Color Filter
Transparent Glass substrate
Common Electrode
Alignment Layer
Liquid Crystals
Alignment Layer
Transparent
Pixel Electrode
Glass substrate Isolating membrane
Scanning Line
Polarizer
Source Semi Conductor
Drain Data Line Gate
(Data Line) Material
Gate
(Scanning Line) Drain
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