Any modification of Spec is not allowed without SEC’s permission
Application Engineer Part,
SAMSUNG ELECTRONICS CO., LTD.
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CONTENTS
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Revision History
General Description
1. Absolute Maximum Ratings
-------------------( 3 )
-------------------( 4 )
-------------------( 5 )
1.1 Absolute Ratings of environment
1.2 Electrical Absolute Ratings
2. Optical Characteristics
3. Electrical Characteristics
-------------------( 7 )
-------------------( 10 )
3.1 TFT LCD Module
3.2 Backlight Unit
3.3 LED Driver
4. Block Diagram
-------------------( 13 )
4.1 TFT LCD Module
5. Input Terminal Pin Assignment
-------------------( 14 )
5.1 Input Signal & Power
5.2 LVDS Interface
5.3 Timing Diagrams of LVDS For Transmitting
5.4 Input Signals, Basic Display Colors and Gray Scale of Each Color.
5.5 Pixel format
6. Interface Timing
6.1 Timing Parameters
6.2 Timing Diagrams of interface Signal
6.3 Power ON/OFF Sequence
7. Outline Dimension
8. Packing
9. Markings & Others
10. General Precaution
-------------------( 19 )
-------------------( 21 )
-------------------( 23 )
-------------------( 24 )
-------------------( 26 )
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REVISION HISTORY
Date
Feb. 9. 2011A00AllThe Preliminary specification of LTN141AT15-B was issued first.
Revision
No.
PageSummary
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GENERAL DESCRIPTION
DESCRIPTION
LTN141AT15-B is a color active matrix TFT (Thin Film Transistor) liquid crystal display
(LCD) that uses amorphous silicon TFT as switching devices. This model is composed of a
TFT LCD panel, a driver circuit and a backlight system. The resolution of a 14.1" contains
1280 x 800 pixels and can display up to 262,144 colors. 6 O'clock direction is the Optimum
viewing angle.
FEATURES
• High contrast ratio, high aperture structure
• 1280 x 800 pixels resolution
• Fast Response Time
• Low power consumption
• LED BLU Structure
• DE (Data enable) only mode.
• 3.3V LVDS Interface
• On board EDID chip
• RoHS Compliance
APPLICATIONS
• Notebook PC
• If the usage of this product is not for PC application, but for others, please contact SEC
GENERAL INFORMATION
ItemSpecificationUnitNote
Display area303.36(H) X 189.6(V) (14.1”diagonal)
Driver elementa-si TFT active matrix
Display colors262,144
Number of pixel1280 x 800
Pixel arrangementRGB vertical stripe
mm
pixel
Pixel pitch0.237(H) x 0.237(V)
Display ModeNormally white
Surface treatmentHaze 25, Hard-Coating 2H
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Mechanical Information
ItemMin.Typ.Max.UnitNote
Horizontal (H)319.0319.5320.0
Module
size
Note (1) Measurement condition of outline dimension
Note (1) Temperature and relative humidity range are shown in the figure below.
95 % RH Max. (40 qC t Ta)
Maximum wet -
bulb temperature at 39
TOPR050qC(1)
O
C or less. (Ta ! 40 qC ) No condensation
Relative Humidity ( %RH)
100
90
80
60
40
20
-40-20020406080
Operating Range
8
Storage Range
5
0
Temperature (
O
C)
( 40,90 )
( 50,50.4 )
( 60,27.7 )
(2) 2ms, half sine wave, one time for rX, rY, r Z.
(3) 5 - 500 Hz, random vibration, 30min for X, Y, Z.
(4) At testing Vibration and Shock, the fixture in holding the Module to be tested have to be
hard and rigid enough so that the Module would not be twisted or bent by the fixture.
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1.2 ELECTRICAL ABSOLUTE RATINGS
(1) TFT LCD MODULE
ItemSymbolMin.Max.UnitNote
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VDD =3.3V, Vss = GND =0V
Power Supply VoltageV
Logic Input VoltageV
Note (1) Within Ta (25 r 2 qC)
DDVDD – 0.3VDD + 0.3V(1)
INVDD – 0.3VDD + 0.3V(1)
(2) BACK-LIGHT UNIT
ItemSymbolMin.Typ.Max.UnitNote
LED CurrentI
LED VoltageF
Note 1) Permanent damage to the device may occur if maximum values are exceeded
Functional operation should be restricted to the conditions described under normal operating conditions.
L
L
-20-mA(1)
-3.2-V(1)
Ta =
25 r 2 qC
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Approval
2. OPTICAL CHARACTERISTICS
The following items are measured under stable conditions. The optical characteristics
should be measured in a dark room or equivalent state with the methods shown in Note (5).
Measuring equipment : TOPCON SR-3 and PR-650
* Ta = 25 r 2 qC, VDD=3.3V, fv= 60Hz, fDCLK = 69.22MHz, IL = 20mA
ItemSymbol
Contrast Ratio
(5 Points)
Response
Time at Ta
RisingT
FallingT
Average Luminance
of White (5 Points)
Green
Color
Chromaticity
( CIE )
Red
Blue
Conditio
n
CR
R-16
Min.Typ.MaxUnitNote
-300--(1), (2), (5)
msec(1), (3)
F-16
L,AVE190220-cd/m
Y
-
Normal
X
R
Viewing
0.5500.5800.610
Angle
R
G
G
B
B
Y
X
Y
X
Y
I = 0
T = 0
0.3100.3400.370
0.3150.3450.375
0.5200.5500.580
0.1210.1510.181
0.0700.1000.130
2
(1), (4)
(1), (5)
-
SR-3
White
Hor.
Viewing
Angle
Ver.
Color Gamut
Brightness Uniformity
W
W
G
G
T
T
I
I
CG
L5
L13
X
Y
L
H
0.283
0.299
4045-
4045-
0.313
0.329
CR t 10
H
L
1015-
3035-
0.343
0.359
Degrees
(1), (5)
SR-3
-45-
5points80--
%
(6)
13points60--
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Note 1) Definition of Viewing Angle : Viewing angle range(10
C/R)
Normal Line
I = 0
o
,
T = 0
o
T L
T R
TL=90
o
I L
x
I H
y
12 O’clock
direction
IH= 90
6 O’clock
direction
IL= 90
o
x'y'
=90
T
R
Note 2) Definition of Contrast Ratio (CR) : Ratio of gray max (Gmax) ,gray min (Gmin)
at 5 points(4, 5, 7, 9, 10)
Approval
o
o
CR(4) + CR(5) + CR(7) + CR(9) + CR(10)
CR =
5
Points : , , , , at the figure of Note (6).
49
5
7
10
Note 3) Definition of Response time :
Display data
White(TFT OFF)
TR
Black(TFT ON)
White(TFT OFF)
TF
100%
90%
Optical
Response
10%
0%
Note 4) Definition of Average Luminance of White : measure the luminance of white at 5 points.
Time
(320)( 640)(960)
Average Luminance of White ( Y
L4 + YL5 + YL7 + YL9 + YL10
Y
L,AVE )
10
9
7
YL,AVE =
5
5
4
: test point
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VIEW AREA
(200)
(400)
(600)
(lines)
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Note 5) After stabilizing and leaving the panel alone at a given temperature for 30 min , the measurement
should be executed. Measurement should be executed in a stable, windless,and dark room.
30 min after lighting the backlight. This should be measured in the center of screen.
Environment condition : Ta = 25 r 2 qC
Photo-detector
( TOPCON SR-3
PR-650 )
= 2q
Field
50 cm
TFT-LCD module
Center of the screen
[ Optical characteristics measurement setup ]
Note 6) Definition of 13 points white variation (G L ), [ ~ ]
Maximum luminance of 13 points
113
G L=
Minimum luminance of 13 points
10mm
10mm
1312
320640
960
LCD panel
10mm
11
10
8
5
3
10mm
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4
200
6
400
600
(lines)
1
: test point
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3. ELECTRICAL CHARACTERISTICS
3.1 TFT LCD MODULE
ItemSymbolMin.Typ.Max.UnitNote
Voltage of Power SupplyV
Differential Input
HighV
Voltage for LVDS
Receiver
Threshold
LowV
Hsync FreqF
60Hz
Main FreqF
Vsync
Freque
ncy
50Hz
Hsync FreqF
Main FreqF
DD3.03.33.6V
IH--+100mV
IL-100--mV
H45.9748.9660.11KHz
DCLK6569.2285MHz
H39.0641.6051.08KHz
DCLK6569.2285MHz
Approval
Ta= 25 r 2qC
CM = +1.2V
V
Hsync FreqF
H39.0632.6851.08KHz
40Hz
Rush CurrentI
Current of Power
Supply
Main FreqF
White
Mosaic-350-mA(2),(3)*b
DCLK6569.2285MHz
RUSH--1.5A(4)
-300-mA(2),(3)*a
DD
I
V. Stripe395485mA(2),(3)*c
Note (1) Display data pins and timing signal pins should be connected.( GND = 0V )
(2) f
V = (60)Hz, fDCLK = (69.22)MHZ, VDD = (3.3)V , DC Current.
(3) Power dissipation pattern
*a) White Pattern*b) Mosaic Pattern
VIEW AREA
Display Brightest Gray Level
Display Darkest Gray Level
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*c) 1dot Vertical stripe pattern
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RGB RG B R G B R G
GBRGB RGB RG
R
GBRGB RGB RG
R
RGB R G B R G B R G
4) Rush current measurement condition
3.3V
R1
47K
CONTROL SIGNAL
(HIGH to LOW)
12V
C3
1uF
R2
1K
R3
47K
M1
2SK1059
C2
10000pF
M2
2SK1399
FUSE
VDD ( LCD INPUT)
C1
1uF
V
DD rising time is 470us
0.9VDD
3.3V
0.1VDD
GND
470us
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3.2 BACK-LIGHT UNIT
ItemSymbolMin.Typ.Max.UnitNote
LED Forward CurrentIF-20-mA
LED Forward VoltageVF-3.2-V
LED Array VoltageVP-22.4-VVF X 7 LEDs
Power ConsumptionP-3.53.85W(IF X VF X 42LEDs)
Operating Life timeHr10,000
Note (1) Life time (Hr) of LEDs can be defined as the time in which it continues to operate under the
condition Ta= 25 r 2 qC and IF = 20.0mA until below event occurs.
- When the brightness becomes 50% or lower than the original.
Rn: Red gray, Gn: Green gray, Bn: Blue gray (n=gray level)
Note 2)Input signal: 0 =Low level voltage, 1=High level voltage
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5.5 Pixel Format in the display
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Line 1
Line 800
Pixel 1
RGB RGB
RGB RGB
Pixel 1280
LTN141AT15-B Panel
RGB RGBRGB RGB
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6. INTERFACE TIMING
Approval
6.1 Timing Parameters
SignalItemSymbolMin.Typ.Max.UnitNote
Frame FrequencyCycleTV808817900Lines-
Vertical Active
Display Term
One Line
Scanning Time
Horizontal Active
Display Term
Display
Period
CycleTH134414121650Clocks-
Display
Period
TVD-800-Lines-
THD-1280-Clocks-
6.2 Timing diagrams of interface signal
TVD
DE
DCLK
TC
TV
TH
THD
DE
DATA
SIGNALS
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d
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6.3 Power ON/OFF Sequence
Approval
: To prevent a latch-up or DC operation of the LCD module, the power on/off sequence
should be as the diagram below.
Power Supply
DD
V
0V
0T1d10 msec
0
50 msec
0T3d50 msec
0.9 VDD0.9 VDD
0.1 VDD
T1
T3
T2
0.1 VDD
T4
150 msec dT4
Signals
0 V
Power On
VALID
Power Off
Back-light
200 msec
T5
50%50%
0 msec T6
T5T6
Power ON/OFF Sequence
T1 : Vdd rising time from 10% to 90%
T2 : The time from Vdd to valid data at power ON.
T3 : The time from valid data off to Vdd off at power Off.
T4 : Vdd off time for Windows restart
T5 : The time from valid data to B/L enable at power ON.
T6 : The time from valid data off to B/L disable at power Off.
NOTE.
(1) The supply voltage of the external system for the module input should be the same
as the definition of V
(2) Apply the lamp voltage within the LCD operation range. When the back-light turns on
before the LCD operation or the LCD turns off before the back-light turns off, the
display may momentarily become white.
DD.
(3) In case of V
DD = off level, please keep the level of input signals on the low or keep
a high impedance.
(4) T4 should be measured after the module has been fully discharged between power
off and on period.
(5) Interface signal shall not be kept at high impedance when the power is on.
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7. MECHANICAL OUTLINE DIMENSION
[ Refer to the next page ]
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8. PACKING
1. CARTON (Internal Package)
(1) Packing Form
Corrugated Cardboard box and Corrupad form as shock absorber
(2) Packing Method
Approval
TBD
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(3)Packing Material
NoPart nameQuantity
1Static electric protective sack10
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2
3Pictorial marking2 pcs
4Carton1 set
Packing case (Inner box)
1 set
included shock absorber
9. MARKINGS & OTHERS
A nameplate bearing followed by is affixed to a shipped product at the
specified location on each product.
(1)Parts number : LTN141AT15-B
(2)Revision : One letter
(3)Control code : One letter
(4)Lot number : X X X XXX XX XX
Panel No.
Cell ID
Lot ID
Year
Product Code
Line
NOTE 1). This code indicating year is omitted in the products of SESL site.
(5) Product Label Definition
TBD
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(6) High voltage caution label
This HIGH VOLTAGE CAUTION is carved in mold frame
Approval
HIGH VOLTAGE
CAUTION
RISK OF ELECTRIC SHOCK
DISCONNECT THE ELECTRIC
POWER BEFORE SERVICE
(7) Packing small box attach
DEVICE : LTN141AT15
TYPE : XXX
QUANTITY : 10 PCS
CO6040001
THIS COVER CONTAINS
FLUORESCENT LAMP.
PLEASE FOLLOW LOCAL
ORDINANCES OR
REGULATIONS FOR ITS DISPOSAL
70mm
10mm
High voltage
caution
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10. GENERAL PRECAUTIONS
Approval
1. Handling
(a) When the module is assembled, It should be attached to the system firmly
using every mounting holes. Be careful not to twist and bend the modules.
(b) Refrain from strong mechanical shock and / or any force to the module. In addition to
damage, this may cause improper operation or damage to the module and LED back-light.
(c) Note that polarizers are very fragile and could be easily damaged. Do not press or scratch
the surface harder than a HB pencil lead.
(d) Wipe off water droplets or oil immediately. If you leave the droplets for a long time,
Staining and discoloration may occur.
(e) If the surface of the polarizer is dirty, clean it using some absorbent cotton or soft cloth.
(f) The desirable cleaners are water, IPA (Isoprophyl Alcohol) or Hexane.
Do not use Ketone type materials(ex. Acetone), Ethyl alcohol, Toluene, Ethyl acid or Methyl
chloride. It might permanent damage to the polarizer due to chemical reaction.
(g) If the liquid crystal material leaks from the panel, it should be kept away from the eyes or
mouth . In case of contact with hands, legs or clothes, it must be washed away thoroughly
with soap.
(h) Protect the module from static , it may cause damage to the C-MOS Gate Array IC.
(i) Use fingerstalls with soft gloves in order to keep display clean during the incoming
inspection and assembly process.
(j) Do not disassemble the module.
(k) Do not adjust the variable resistor which is located on the back side.
(l) Protection film for polarizer on the module shall be slowly peeled off just before use so
that the electrostatic charge can be minimized.
(m) Pins of I/F connector shall not be touched directly with bare hands.
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minimized length and be connected directly . The longer cable between the back
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2. STORAGE
Approval
(a) Do not leave the module in high temperature, and high humidity for a long time.
It is highly recommended to store the module with temperature from 5 to 40 qC and
relative humidity of less than 70%.
(b) Do not store the TFT-LCD module in direct sunlight.
(c) The module shall be stored in a dark place. It is prohibited to apply sunlight or fluorescent
light during the store.
(d) Storage period is recommended not to exceed 1 year.
3. OPERATION
(a) Do not connect,disconnect the module in the “ Power On” condition.
(b) Power supply should always be turned on/off by following item 6.3
“ Power on/off sequence “.
(c) Module has high frequency circuits. Sufficient suppression to the electromagnetic
interference shall be done by system manufacturers. Grounding and shielding methods
may be important to minimize the interference.
(d) The FPC cable between the LED chips and its converter power supply shall be a
and the converter may cause lower luminance of light source (LED).
(e) The standard limited warranty is only applicable when the module is used for general
notebook applications. If used for purposes other than as specified, SEC is not to be
held reliable for the defective operations. It is strongly recommended to contact SEC
to find out fitness for a particular purpose.
4. OTHERS
(a) Ultra-violet ray filter is necessary for outdoor operation.
(b) Avoid condensation of water. It may result in improper operation or disconnection
of electrode.
-light
(c) Do not exceed the absolute maximum rating value. ( the supply voltage variation, input
voltage variation, variation in part contents and environmental temperature, so on)
Otherwise the module may be damaged.
(d) If the module displays the same pattern continuously for a long period of time,it can be
the situation when the image “sticks” to the screen.
(e) This module has its circuitry PCB’s on the rear side and should be handled carefully in
order not to be stressed.
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