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LP121X05
Liquid Crystal Display
Product Specification
1. General Description
The LP121X05 is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode Fluorescent
Lamp(CCFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active element.
It is a transmissive type display operating in the normally white mode. This TFT-LCD has a 12.1 inch
diagonally measured active display area with XGA resolution(768 vertical by 1024 horizontal pixel array).
Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes.
Gray scale or the brightness of the sub-pixel color is determined with a 6-bit gray scale signal for each dot,
thus, presenting a palette of more than 262,144 colors.
The LP121X05 has been designed to apply the interface method that enables low power, high speed,
low EMI. Flat Link must be used as a LVDS(Low Voltage Differential Signaling) chip.
The LP121X05 is intended to support applications where thin thickness, low power are critical factors
and graphic displays are important. In combination with the vertical arrangement of the sub-pixels, the
LP121X05 characteristics provide an excellent flat display for office automation products such as
Notebook PC.
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General Features
Active screen size 12.1 inches(30.7cm) diagonal
Outline Dimension 261(H) x 198(V) x 4.7(D) mm(Typ.)
Pixel Pitch 0.240(H) x 0.240(V) mm
Pixel format 1024 horiz. By 768 vert. Pixels RGB stripes arrangement
Color depth 6-bit, 262,144 colors
Luminance, white 150 cd/m2(Typ.)
Power Consumption 4.27W(Typ)
Weight 270g(Typ.)
Display operating mode Transmissive mode, normally white
Surface treatments Hard coating(3H) Maker:NITTO
Model Number : LNC-TEGAG150-C108T
Ver. 1.0 JUL 25, 2002 1/7
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LP121X05
Liquid Crystal Display
Product Specification
2. Electrical Specifications
The LP121X05 requires two power inputs. One is employed to power the LCD electronics and to
drive the TFT array and liquid crystal. The second input which powers the CCFL, is typically generated
by an inverter. The inverter is an external unit to the LCD.
Table 1. ELECTRICAL CHARACTERISTICS
Values
Parameter Symbol Units Notes
Min. Typ. Max.
MODULE :
Power Supply Input Voltage VCC 3.0 3.3 3.6 Vdc
Power Supply Input Current Window ICC - 0.284 0.342 A 1
Full Black - 0.322 0.370 A
2 by 2 sub pixel - 0.421 0.484 A
Differential Impedance Zm 90 100 110 ohm 2
Power Consumption PC 0.94 1.13 Watt 1
LAMP :
Operating Voltage VBL 550(6.5mA) 570(6mA) 700(3mA) VRMS 3
Operating Current IBL 3.0 6.0 6.5 mARMS 4
Established Starting Voltage VS 5
at 25