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Samsung Secret
Product Information
Customer : DATE : 05. Jan. 2010
SAMSUNG TFT-LCD
SAMSUNG TFT-LCD
MODEL : LTA320AP11
MODEL : LTA320AP11
The Information Described in this Specification is Preliminary and can be changed without
prior notice
LCD Business
Samsung Electronics Co . , LTD.
Contents
Samsung Secret
General Description --------------------------------------------------------------------------------------- (3)
General Information --------------------------------------------------------------------------------------- (3)
1. Absolute Maximum Ratings -------------------------------------------------------------------------- (4)
2. Optical Characteristics --------------------------------------------------------------------------------- (5)
3. Electrical Characteristics ------------------------------------------------------------------------------- (8)
3.1 TFT LCD Module
3.2 Back Light Unit
3.3 Inverter Input & Specification
4. Input Terminal Pin Assignment --------------------------------------------------------------------- (11)
4.1 Input Signal & Power
4.2 Inverter Input Pin Configuration
4.3 Inverter Input Power Sequence
4.4 LVDS Interface
4.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
5. Interface Timing ---------------------------------------------------------------------------------------- (17)
5.1 Timing Parameters (DE only mode)
5.2 Timing Diagrams of interface Signal (DE only mode)
5.3 Power ON/OFF Sequence
6. Outline Dimension -------------------------------------------------------------------------------------- (20)
7. Packing --------------------------------------------------------------------------------------------------- (22)
8. Marking & Others --------------------------------------------------------------------------------------- (23)
9. General Precaution ------------------------------------------------------------------------------------- (24)
9.1 Handling
9.2 Storage
9.3 Operation
9.4 Operation Condition Guide
9.5 Others
General Description Samsung Secret
Description
LTA320AP11 is a color active matrix liquid crystal display (LCD) that uses amorphous silicon
TFT(Thin Film Transistor) as switching components. This model is composed of a TFT LCD panel,
a driver circuit and a back light unit. The resolution of a 32.0" is 1366 x 768 and this model can
display up to 16.7 million colors with wide viewing angle of 89 or higher in all directions. This
panel is intended to support applications to provide a excellent performance for Flat Panel Display
such as Home-alone Multimedia TFT-LCD TV and High Definition TV
Features
RoHS compliance (Pb-free)
High contrast ratio & aperture ratio with wide color gamut
APVA (Advanced Patterned Vertical Align) mode
Wide viewing angle ( 178 )
High speed response
HD resolution (16:9)
Low Power consumption
U-Type 4 CCFLs (Cold Cathode Fluorescent Lamp)
DE (Data Enable) mode
1ch LVDS (Low Voltage Differential Signaling) interface (1pixel/clock)
General Information
Items Specification Unit Note
729.6 (H) X 424.4 (V) 1.0mm
Module Size mm
49.2
Weight 6,500 (Max) g
Pixel Pitch 0.51075(H) x 0.51075(V) mm
Active Display Area 697.6845(H) x 392.256(V) mm
Surface Treatment Haze 7% , Hard-coating(3H)
Display Colors 8 bit - 16.7M colors
Number of Pixels 1366 x 768 pixel
Pixel Arrangement RGB vertical stripe
Display Mode Normally Black
Luminance of White 450 (Typ.) cd/m2
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1. Absolute Maximum Ratings
If the condition exceeds maximum ratings, it can cause malfunction or unrecoverable
damage to the device.
Item Symbol Min. Max. Unit Note
Power Supply Voltage VDD GND-0.5 13.2 V
(1)
Dimming Control Max. Lum - 5 V
Storage temperature TSTG -20 60
(2)
Operating temperature TOPR 0 50
Surface temperature TSUR 0 60 (3)
Shock ( non - operating ) X,Y,Z - 50 G (4)
Vibration ( non - operating ) VNOP - 1.5 G (5)
Note (1) Ta= 25 2 C
(2) Temperature and relative humidity range are shown in the figure below.
a. 90 % RH Max. (Ta 39 C)
b. Relative Humidity is 90% or less. (Ta 39 C)
c. No condensation
(3) Although abnormal visual problems can be occurred in TSUR range, the polarizer
is not damaged in this range.
(4) 11ms, sine wave, one time for X, Y, Z axis
(5) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis
Fig. Temperature and Relative humidity range
2. Optical Characteristics Samsung Secret
The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment : TOPCON RD-80S, TOPCON SR-3, ELDIM EZ-Contrast
(Ta = 25 2 C, VDD=12V, fv= 60Hz, fDCLK = 78MHz, Lamp Current = 12.5 mA)
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio (1)
C/R 3,000 4,000 -
(Center of screen) SR-3
Response (3)
G-to-G Tg - 8 16 msec
Time RD-80S
Luminance of White (4)
YL 370 420 - cd/m2
(Center of screen) SR-3
Rx Normal TBD
Red qL,R =0
Ry TBD
qU,D =0
Gx TBD
Green
Color Gy Viewing TBD
TYP. TYP. (5),(6)
Chromaticity Angle
Bx -0.03 TBD +0.03 SR-3
(CIE 1931)
Blue
By TBD
Wx 0.280
White
Wy 0.290
Color Gamut - - 72 - % (5)
SR-3
Color Temperature - - 10,000 - K
qL 75 89 -
Hor.
Viewing qR 75 89 - (6)
C/R 10 Degree
Angle qU 75 89 - EZ-Contrast
Ver.
qD 75 89 -
White Brightness
(2)
Uniformity Buni - - 25 %
SR-3
(9 Points)
- Test Equipment Setup
The measurement should be executed in a stable, windless and dark room between
40min and 60min after lighting the back light at the given temperature for stabilization
of the back light. This should be measured in the center of screen.
Environment condition : Ta = 25 2 C
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Photo detector
Photo detector Field
SR-3 2
RD-80S 1 Field
SR-3 : 50
RD-80S : 50
TFT - LCD Module
LCD Panel
The center of the screen
- Definition of test point
320 960 1600
180 Active Area
Test Point
540
900
Note (1) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center point of the panel
G max
C/R=
G min
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
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Note (2) Definition of 9 points brightness uniformity (Test pattern : Full White )
( B max - B min)
Buni = 100
B max
Bmax : Maximum brightness
Bmin : Minimum brightness
Note (3) Definition of Response time : Sum of Tr, Tf
Display data Black (data off) White (data on) Black (data off)
TR TF
Optical Instruments
100%
Response
90%
10%
0%
TIME
Note (4) Definition of Luminance of White : Luminance of white at center point
Note (5) Definition of Color Chromaticity (CIE 1931)
Color coordinate of Red, Green, Blue & White at center point
Note (6) Definition of Viewing Angle
: Viewing angle range (C/R 10)
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3. Electrical Characteristics
3.1 TFT LCD Module
The connector for display data & timing signal should be connected.
Ta = 25 C 2 C
Item Symbol Min. Typ. Max. Unit Note
Voltage of Power Supply VDD 10.8 12.0 13.2 V (1)
(a) Black - 590 790 mA
Current of
Power (b) White IDD - 750 950 mA (2),(3)
Supply
(c) V-STRIPE - 800 1000 mA
Vsync Frequency fV 50 60 66 Hz
Hsync Frequency fH 44 48 53 kHz
Main Frequency fDCLK 72 78 85 MHz
Rush Current IRUSH - - 4 A (4)
Note (1) The ripple voltage should be controlled under 10% of VDD.
(2) fV=60Hz, fDCLK = 78MHz, VDD = 12.0V, DC Current.
(3) Power dissipation check pattern (LCD Module only)
a) Black Pattern b) White Pattern c) V-STRIPE
(4) Measurement Conditions
VDD
100%
90%
10%
GND
TRUSH=470
Rush Current IRUSH can be measured when TRUSH. is 470 .
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3.2 Back Light Unit
The back light unit contains 4 U-type CCFLs ( Cold Cathode Fluorescent
Lamp ). The characteristics of lamps are shown in the following tables.
Ta=25 2C
Socket
HOT 1
HOT 2
LCD
Inverter
Module
HOT 7
HOT 8
Item Symbol Min. Typ. Max. Unit Note
Operating Life Time Hr 50,000 - - Hour (1)
Note (1) It is defined as the time to take until the brightness reduces to 50% of its original
value.
[Operating condition : Ta = 25 2 , For single lamp only. ]
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3.3 Inverter Input Condition & Specification
Symb Specifications
Items Conditions Unit Note
ol Min. Typ. Max.
Input
Vin - 22 24 26 V Ta=25 2 C
Voltage
Input Vin = 24V - - 4.3 (1)
IRUSH A
Current Vdim = 3.3V - TBD - (2)
Lamp Vin = 24V
IO 12.0 12.5 13.0 mArms (2)
Current Vdim = 3.3V
Start Up - - 0
VS - Vrms -
Voltage - - 25
Backlight ON Vin = 24V 2.4 - 5.5
V (3)
On/Off OFF Vin = 24V 0 - 0.8
Dimming Max Lum 3.3 - -
VDIM V (4)
Control
Min. Lum - - 0
Vin = 24V
PWM Duty DPWM 20 - 100 % -
Dim = 0~3.3V
PWM Vin = 24V
FPWM 159 166 173 Hz -
Frequency Dim = 0V
Shut-down Vin = 24V
TSD 1.0 1.5 2.0 Sec -
Time Dim = 3.3V
Note) Power Consumption is measured when 500[cd/m2] of luminance which is the typical luminance.
Lamp Current is measured at the point before Lamp.
(1) Max Value of the Power Consumption is measured during initial turn-on time* of the backlight.
(2) Max Value of the Power Consumption is measured after 120 min warm-up.
(3) Inverter pin NO.12 is for backlight On/Off.
(4) Inverter pin NO.13 is for dimming control.
* Initial turn-on time : From 0sec to 60min after turn-on
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4. Input Terminal Pin Assignment
4.1. Input Signal & Power Connector :IS100-L30O-C23
PIN No. Description PIN No. Description
1 No Connection (Note1) 16 GND
2 No Connection (Note1) 17 RxIN3-
3 No Connection (Note1) 18 RxIN3+
4 GND 19 GND
5 RxIN0- 20 No Connection (Note1)
6 RxIN0+ 21 LVDS OPTION (Note 2)
7 GND 22 No Connection (Note1)
8 RxIN1- 23 GND
9 RxIN1+ 24 GND
10 GND 25 GND
11 RxIN2- 26 Vin
12 RxIN2+ 27 Vin
13 GND 28 Vin
14 RxCLK- 29 Vin
15 RxCLK+ 30 Vin
Note1) No Connection: This PINS are only used ONLY for SAMSUNG.
Note2) LVDS OPTION : If this PIN is HIGH (3.3 V) Normal LVDS format
LOW (GND) JEIDA LVDS format
SEQUENCE : On = VDD(T1) LVDS Option Interface Signal(T2)
OFF = Interface Signal(T3) LVDS Option VDD
Vin T2 T3
LVDS
Option
LVDS
Signal
LVDS Option Sequence
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Note(1) Pin number starts from Left side
PCB
Pin No. 1 Pin No. 30
#1 #30
#1 #30
Fig. Connector diagram
a. Power GND pins should be connected to the LCD's metal chassis.
b. All power input pins should be connected together.
c. All NC pin should be separated from other signal or power.
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4.2 Inverter Input Pin Configuration
Connector : JST, S14B-PHA-SM-TB(LF)
Pin No. Pin Configuration (FUNCTION)
1 Vin (24 V)
2 Vin (24 V)
3 Vin (24 V)
4 Vin (24 V)
5 Vin (24 V)
6 GND
7 GND
8 GND
9 GND
10 GND
11 No Connection (DO NOT CONNECT)
12 Backlight On /Off [ON: 2.4 ~ 5.5 V, OFF: 0 ~ 0.8 V]
13 Dimming Control [ 0V: Min, 3.3V: Max ]
14 No Connection (DO NOT CONNECT)
4.3. Inverter Input Power Sequence
0.9 Vin 0.9 Vin
Vin (24V) 20msec [Min]
0.1 Vin
Dimming Control
( 0 ~ 3.3 V )
0.5sec [Min] 0.5sec [Min]
2.4V(On level)
Backlight On/Off 0.8V(Off level)
0.5sec [Min] 0.1sec [Min]
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4.4 LVDS Interface
- LVDS Receiver : Tcon (merged)
- Data Format (JEIDA & VESA)
LVDS pin JEIDA -DATA VESA -DATA
TxIN/RxOUT0 R2 R0
TxIN/RxOUT1 R3 R1
TxIN/RxOUT2 R4 R2
TxOUT/RxIN0 TxIN/RxOUT3 R5 R3
TxIN/RxOUT4 R6 R4
TxIN/RxOUT6 R7 R5
TxIN/RxOUT7 G2 G0
TxIN/RxOUT8 G3 G1
TxIN/RxOUT9 G4 G2
TxIN/RxOUT12 G5 G3
TxOUT/RxIN1 TxIN/RxOUT13 G6 G4
TxIN/RxOUT14 G7 G5
TxIN/RxOUT15 B2 B0
TxIN/RxOUT18 B3 B1
TxIN/RxOUT19 B4 B2
TxIN/RxOUT20 B5 B3
TxIN/RxOUT21 B6 B4
TxOUT/RxIN2 TxIN/RxOUT22 B7 B5
TxIN/RxOUT24 HSYNC HSYNC
TxIN/RxOUT25 VSYNC VSYNC
TxIN/RxOUT26 DEN DEN
TxIN/RxOUT27 R0 R6
TxIN/RxOUT5 R1 R7
TxIN/RxOUT10 G0 G6
TxOUT/RxIN3 TxIN/RxOUT11 G1 G7
TxIN/RxOUT16 B0 B6
TxIN/RxOUT17 B1 B7
TxIN/RxOUT23 RESERVED RESERVED
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4.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
DATA SIGNAL
GRAY
DISPLAY
COLOR RED GREEN BLUE SCALE
(8bit)
LEVEL
R0 R1 R2 R3 R4 R5 R6 R7 G0 G1 G2 G3 G4 G5 G6 G7 B0 B1 B2 B3 B4 B5 B6 B7
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -
BLUE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 -
GREEN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 -
BASIC CYAN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -
COLOR RED 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -
MAGENTA 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 -
YELLOW 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 -
WHITE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R0
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R1
DARK 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R2
GRAY : : : : : : : : : : : : : : : : : :
SCALE R3~
OF : : : : : : : : : : : : : : : : : : R252
RED
LIGHT 1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R253
0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R254
RED 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R255
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G0
0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G1
DARK 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G2
GRAY
: : : : : : : : : : : : : : : : : :
SCALE G3~
OF : : : : : : : : : : : : : : : : : : G252
GREEN
LIGHT 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G253
0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G254
GREEN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G255
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 B0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 B1
DARK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 B2
GRAY
SCALE : : : : : : : : : : : : : : : : : : B3~
OF : : : : : : : : : : : : : : : : : : B252
BLUE
LIGHT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 B253
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 B254
BLUE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 B255
Note) Definition of Gray :
Rn : Red Gray, Gn : Green Gray, Bn : Blue Gray (n = Gray level)
Input Signal : 0 = Low level voltage, 1 = High level voltage
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5. Interface Timing
5.1 Timing Parameters ( DE mode )
SIGNAL ITEM SYMBOL MIN. TYP. MAX. Unit NOTE
Clock 1/TC 72 78 85 MHz -
Hsync Frequency FH 44 48 53 KHz -
Vsync FV 50 60 66 Hz -
Active
Display TVD - 768 - Lines -
Vertical Period
Display Term
Vertical
TV 773 802 1200 Lines -
Total
Active
Display THD - 1366 - Clocks -
Horizontal Period
Display Term
Horizontal
TH 1460 1624 2000 clocks -
Total
Note) This product is DE mode. But the Hsync & Vsync signal must be inputted
(1) Test Point : TTL control signal and CLK at LVDS Tx input terminal in system
(2) Internal VDD = 3.3V
(3) Spread spectrum
- Modulation rate (max) : 1.5 %
- Modulation Frequency : under 100KHz
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5.2 Timing diagrams of interface signal ( DE mode )
TV
TVD TVB
DE
TH
THD
DE
DCLK
TC
DATA
SIGNALS
TC
TCH TCL
DCLK 0.5
VCC
TDS TDH
DISPLAY 0.5
DATA
VCC
TES
DE 0.5
VCC
5.3 Power ON/OFF Sequence Samsung Secret
To prevent a latch-up or DC operation of the LCD Module, the power on/off
sequence should be as the diagram below.
2msec
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