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Global LCD Panel Exchange Center www.panelook.com
Samsung Secret
Approval
Customer : TCL DATE : Feb. 17. 2012
SAMSUNG TFT-LCD
MODEL : LTA550HQ22
Any Modification of Specification is not allowed without SEC's Permission.
NOTE :
APPROVAED BY DATE
Feb. 17. 2012
PREPARED BY DAE
Feb. 17. 2012
LCD Business
Samsung Electronics Co . , LTD.
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Contents
Samsung Secret
Revision History -------------------------------------------------------------------------------------------- (3)
General Description --------------------------------------------------------------------------------------- (4)
General Information --------------------------------------------------------------------------------------- (4)
1. Absolute Maximum Ratings -------------------------------------------------------------------------- (5)
2. Optical Characteristics --------------------------------------------------------------------------------- (6)
3. Electrical Characteristics ------------------------------------------------------------------------------- (9)
3.1 TFT LCD Module
3.2 Back Light Unit
3.3 converter Input & Specification
4. Input Terminal Pin Assignment --------------------------------------------------------------------- (12)
4.1 Input Signal & Power
4.2 Converter Input Pin Configuration
4.3 Converter Input Power Sequence
4.4 LVDS Interface
4.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
5. Interface Timing ---------------------------------------------------------------------------------------- (16)
5.1 Timing Parameters (DE only mode)
5.2 LVDS Input data Characteristics
5.3 3D mode Sequence
5.4 Timing Diagrams of interface Signal (DE only mode)
5.5 Power ON/OFF Sequence
6. Outline Dimension -------------------------------------------------------------------------------------- (20)
7. Reliability Test -------------------------------------------------------------------------------------------- (22)
8. Packing --------------------------------------------------------------------------------------------------- (23)
9. Marking & Others --------------------------------------------------------------------------------------- (24)
10. General Precaution ----------------------------------------------------------------------------------- (25)
10.1 Handling
10.2 Storage
10.3 Operation
10.4 Operation Condition Guide
10.5 Others
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Samsung Secret
Revision History
Rev.
Date Page Summary
No
Feb. 17.
000 all First issued
2012
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General Description Samsung Secret
Description
LTA550HQ22 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 55.0" is 1920 x 1080 and this model can
display up to 16.7 Million colors with wide viewing angle of 89 or higher in all directions. This
or F ane
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
am
SVA(Super Vertical Align) mode
Wide viewing angle ( 178 )
High speed response
FHD resolution (16:9)
Low Power consumption
Edge Type LED (Light Emitted Diode) BLU
DE (Data Enable) mode
2ch LVDS (Low Voltage Differential Signaling) interface
General Information
Items Specification
Spe Unit Note
1237 (H) x 711.3 (V)
1237.4 1.0mm
Module S
Size mm
34.7 (Dmax) With converter
Weigh
ht
Weight 15000 g
Pix Pitch
xel
Pixel 0.630(H) x 0.630(W) mm
Active Display A
ctive play Area 1209.6(H) X 680.4(V) mm
Surface T
ce Treatment Glare
Display Colors 8bit colors
Number of Pixels 1920 x 1080 pixel
Pixel Arrangement RGB vertical stripe
Display Mode Normally Black
Luminance of White 400 (Typ.) cd/m2
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Samsung Secret
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-0.3 13.2 V
(1)
Dimming Control Max. Lum - 5 V
Storage temperature TSTG -20 60
(2)
(
Operating temperature TOPR 0 50
Shock ( non - operating ) X,Y,Z - 30
3 G (3)
Vibration ( non - operating ) VNOP - 1.5
.5 G (4)
Note (1) Ta= 25 2 C
(2) Temperature and relative humidity range are shown in the figure below.
show fig
a. 90 % RH Max. (Ta 39 C)
b. Relative Humidity is 90% or less. (Ta 39 C)
ss. Ta 3
c. No condensation
e
(3) 11ms, sine wave, one time for X, Y, Z axis axi
ate 10min, 3 n X,Y Z
(4) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis
Fig. Temperature and Relative humidity range
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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 = 148.5MHz)
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio (1)
C/R 3000 4000 -
(Center of screen) SR-3
Response (3)
G-to-G Tg - 6 18 msec
Time RD-80S
Luminance of White (4)
YL 350 400 - cd/m2
(Center of screen) SR-3
Rx Normal 0.650
Red qL,R =0
Ry 0.330
qU,D =0
Gx 0.310
Green
Color Gy Viewing 0.600
TYP. TYP. (5),(6)
Chromaticity Angle
Bx -0.03 0.150 +0.03 SR-3
(CIE 1931)
Blue
By 0.060
Wx 0.280
White
Wy 0.290
Color Gamut - - 70 - % (5)
SR-3
Color Temperature - 7000 10000 - K
qL 75 89 -
Hor.
Viewing qR 75 89 - (6)
C/R10 Degree
Angle qU 75 89 - EZ-Contrast
Ver.
qD 75 89 -
White Brightness
(2)
Uniformity Buni - - 30 %
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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Samsung Secret
Photo detector
Photo detector Field
SR-3 2
RD-80S 1 Field
SR-3 : 50
R-3 0
80S
S
RD-80S : 50
TFT - LCD Module
LCD Panel
Panel
nel
The center of the screen
nter creen
- Definition of test point
320 96
960 1600
160
180 Active Area
Test Point
540
900
Note (1) Definition of Contrast Ratio (C/R)
Defi
: 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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Samsung Secret
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)
ack (data
ac (data off)
TR TF
Optical Instruments
100%
Response
90%
10%
0%
TIME
Note (4) Definition of Luminance of W te : Lum
minan
nce White Luminance of white at center point
Note (5) Definition of Color Chroma
Color Chromaticity (CIE 1931)
maticity
Color coordin
coordinate of Red, G
inate Green, Blue & White at center point
Note (6) Definition of Viewing A
Defini n V ew ng Angle
: Viewing angle range (C/R 10)
(C
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Samsung Secret
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 - 550 700 mA
Current of
Power (b) White IDD - 650 850 mA
mA (2),(3)
Supply
(c) N-PTN - 1100 150
00
1500 m
mA
Vsync Frequency fV 48 60 62.5 Hz
Hsync Frequency fH 60 67.5 70 kH
kHz
Main Frequency fDCLK 130 .5
148.5 5
152.5 MHz
Rush Current IRUSH
H - - 4 A (4)
Note (1) The ripple voltage should be controlled under 10% of VDD.
trolled unde
d
(2) fV=60Hz, fDCLK = 148.5MHz, VDD = 12 12.0V, DC Current.
2.0V
(3) Power dissipation check pattern (LCD Module only)
patter LCD Modu o ule
a) Black Pattern b) White Pattern
) c) N-PTN
C
(4) Measurement Conditions
VDD
100%
90%
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 Edge type White LEDs (Light Emitting Diode)
Ta=25 2C
Control Board
LCD Module
Converter
ter
Item Symbol
Sym
mbol M
Min. Typ. Max. Unit Note
Operating Life Time
e Hr 30,000 - - Hour (1)
Note (1) It is defin as the tim to ta until the brightness reduces to 50% of its original
ote t definedned e time take
va
value.
alue
[Operating c
[Ope ing condition : Ta = 25 2 , For LED package only]
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3.3 Converter Input Condition & Specification Samsung Secret
Specifications
Items Symbol Conditions Unit Note
Min. Typ. Max.
Input Voltage Vin - 22 24 26 V Ta=25
Vin=24.0V
- - 4.8 Adc Normal mode
Input Current IRUSH Vdim =3.3V
3D ENA= ON - - 7.5 Adc Blinking mode
Backlight ON Vin=24.0 V 3 - 5.25
V
On/Off OFF Vin=24.0 V 0 - 0.4
Dimming Range V_DIM Vin :22~26V 0 - 3.3 V
Dimming Duty D max Vin=24V Dim:3.3V - - 100
%
Output D min Vin=24V Dim:0V 1 - -
Dimming
FPWM Vin=24.0 V 140 150 160
60 Hz
Frequency
External Dimming Note(2)
2)
EX_Dim 1 - 100 %
Duty Range Vin=22.0~26.0 V
External Dimming Dim Pin(#13):floting
FEX_PWM - 1
145 - Hz
Frequency Range
External Dimming High (ON) 3 - 5.25
5.25
VPWM V
Signal Level Low (Off) 0 - 0
0.4
Note (1) All data is measured after 120min warm-up.
warm-up.
Note (2) V_Dim and Ex_Dim are available only at Nor
ailabl nly Normal 2D mode. (3D ENA = OFF)
rmal
Note (3) Duty = On / (On+Off) * 100
On Off
Max
Min
- Additional Appendix fo Supply Current (Only for Reference_2D mode)
for
tems
Items Symbol
y Conditions Min. Typ. Max. Unit
Vin = 24V, Dim=3.3V
Iin _ overshoot - 4.0 4.1 A
Input (Within 1hr at BLU on)
Current Vin = 24V, Dim=3.3V
Iin _ saturation - 3.9. 4.0 A
(After 1hr Aging)
P _ Inrush Vin=24.0V, Vdim = 3.3V - - 115.2 Watt
Power Vin = 24V, Dim=3.3V
P _ overshoot - 96 98.4 Watt
Consumption (Within 1hr at BLU on)
(Back light)
Vin = 24V, Dim=3.3V
P _ saturation - 93.6 96 Watt
(After 1hr Aging)
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4. Input Terminal Pin Assignment Samsung Secret
4.1.1 Input Signal & Power
Pin Description Pin Description
1 NC 26 3D EN
2 NC 27 NC
3 NC 28 Rx2[0]N
4 NC 29 2[0]
Rx2[0]P
5 3D_Sync_O 30 Rx2[1]N
1]N
6 GND 31 Rx2[1]P
x2[1]P
7 LVDS option *note (2) 32 Rx2[2]N
Rx
x2[2]N
8 NC 33 Rx2[2]
]P
Rx2[2]P
9 NC 34 GND
10 NC 35 CLKN
Rx2CLKN
11 GND 36 Rx2
Rx2CLKP
12 Rx1[0]N 37 GND
13 Rx1[0]P 38 Rx2[3]N
14 Rx1[1]N 39 Rx2[3]P
15 Rx1[1]P 40
40 Rx2[4]N *note (1)
16 Rx1[2]N
N 41
4 Rx2[4]P *note (1)
17 Rx1[2]P 42 NC
18 G
GND 43 NC
19 Rx1CL N
Rx1CLKN 44 GND
20 Rx1CLKP 45 GND
21 GND
D 46 GND
22 R
Rx1[3]N 47 NC
23 Rx1[3]P 48 VCC
24 Rx1[4]N *note (1) 49 VCC
25 Rx1[4]P *note (1) 50 VCC
51 VCC
Note(1) SET Mode 8bit : Keep [4]channel Floating
SET Mode 10bit : Keep [4]channel level `0' ◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo