Product Specification
4 /38
LD420WUN
Ver. 1.1
General Features
Landscape and PortraitPossible Display Type
Viewing angle free ( R/L 178 (Min.), U/D 178 (Min.))Viewing Angle (CR>10)
10bit(D) , 1.06Billon colorsColor Depth
1920 horiz. by 1080 vert. Pixels, RGB stripe arrangementPixel Format
500 cd/m
2
(Center 1point ,Typ.)Luminance, White
Total 156.8 W (typ.) (Logic=7.8W, Inverter=149W ) Power Consumption
9.1 Kg (Typ.) Weight
Transmissive mode, Normally blackDisplay Mode
Hard coating(3H), Anti-glare treatment of the front polarizer (Haze 10%)Surface Treatment
0.4845 mm x 0.4845 mmPixel Pitch
983.0(H) x 576.0 (V) x 51.0 mm(D) (Typ.)Outline Dimension
42.02 inches(1067.31mm) diagonalActive Screen Size
1. General Description
The LD420WUN is a Color Active Matrix Liquid Crystal Display with an integral External Electrode Fluorescent
Lamp(EEFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active element.
It is a transmissive display type which is operating in the normally black mode. It has a 42.02 inch diagonally
measured active display area with WUXGA resolution (1080 vertical by 1920 horizontal pixel array).
Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arrayed in vertical stripes.
Gray scale or the luminance of the sub-pixel color is determined with a 10-bit gray scale signal for each dot.
Therefore, it can present a palette of more than 1.06Bilion (true) colors.
It has been designed to apply the 10-bit 2-port LVDS interface.
It is intended to support Public Display where high brightness, super wide viewing angle, high color gamut,
high color depth and fast response time are important.
Source Driver Circuit
TFT - LCD Panel
(1920 × RGB × 1080 pixels)
[Gate In Panel]
G1
S1 S1920
G1080
Mini-LVDS(RGB)
Timing Controller
LVDS Rx + OPC + DGA + ODC
Integrated
EEPROM
Power Circuit
Block
SDA
SCL
Back light Assembly
Control
Signals
Power Signals
3PinX1CN(High)
3PinX1CN(High)
EXTVBR-B
Status
Inverter
+24.0V, GND
LVDS
Select
Bit
Select
CN1
(51pin)
LVDS
2Port
+12.0V
LVDS 1,2
Option
signal
I2C
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