SAMSUNG LTN140AT26-804 Specification
Approval
NOTE : Extension code [
-
8 ]
TO
DATE
SAMSUNG TFT-LCD
: IT Solution
: Aug. 30, 2011
MODEL NO. : LTN140AT26-8
→ LTN140AT26-8
Surface type [ Anti-Glare ]
Any modification of Spec is not allowed without SEC’s permission
The information described in this SPEC is preliminary and can be changed without prior notice.
APPROVED BY :
PREPARED BY :
Jonathan KANG
Application Engineering Group
Samsung Electronics Co., Ltd.
Samsung Secret
Doc.No. Rev.No
04-A00-G-110830
Page
/ 30LTN140AT26-8
1
CONTENTS
5.4 Input Signals, Basic Display Colors and Gray Scale of Each Color.
Approval
Revision History
General Description
1. Absolute Maximum Ratings
1.1 Absolute Ratings of environment
1.2 Electrical Absolute Ratings
2. Optical Characteristics
3. Electrical Characteristics
3.1 TFT LCD Module
3.2 Backlight Unit
3.3 LED Driver
4. Block Diagram
4.1 TFT LCD Module
5. Input Terminal Pin Assignment
5.1 Input Signal & Power
5.2 LVDS Interface
5.3 Timing Diagrams of LVDS For Transmitting
- - - - - - - - - - - - - - - - - - - ( 3 )
- - - - - - - - - - - - - - - - - - - ( 4 )
- - - - - - - - - - - - - - - - - - - ( 5 )
- - - - - - - - - - - - - - - - - - - ( 7 )
- - - - - - - - - - - - - - - - - - - ( 10 )
- - - - - - - - - - - - - - - - - - - ( 13 )
- - - - - - - - - - - - - - - - - - - ( 14 )
5.5 Pixel format
5.6 LED Driver Connector & Pin Assignment
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 Precautions
- - - - - - - - - - - - - - - - - - - ( 21 )
- - - - - - - - - - - - - - - - - - - ( 23 )
-- - - - - - - - - - - - - - - - - - ( 25 )
-- - - - - - - - - - - - - - - - - - ( 26 )
- - - - - - - - - - - - - - - - - - - ( 28 )
Samsung Secret
Doc.No. Rev.No
04-A00-G-110830
Page
/ 30LTN140AT26-8
2
REVISION HISTORY
Approval
Date Revision No. Page
Aug, 30, 2011 A00 All The specification of LTN140AT26-8 model was issued first.
Summary
CODE REVISION HISTORY
Date Model. Revision No. Summary MP or EOL
803 Basic model
Aug,30,2011
LTN140AT26-8
Samsung Secret
Doc.No. Rev.No
04-A00-G-110830
Page
/ 30LTN140AT26-8
3
Approval
•
If the usage of this product is not for PC application, but for others, please contact SEC
GENERAL DESCRIPTION
DESCRIPTION
LTN140AT26 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 unit. The resolution of a 14.0" contains
1366 x 768 pixels and can display up to 262,144 colors. 6 O'clock direction is the optimum
viewing angle.
FEATURES
• High contrast ratio
• HD (1366 x 768 pixels ) resolution
• Low power consumption
• Fast response time
• LED Back Light with embedded LED Driver
• DE (Data enable) only mode
• 3.3V LVDS Interface
• Onboard EEDID chip
• Green product (RoHS compliant)
APPLICATIONS
• Notebook PC
GENERAL INFORMATION
Item Specification Unit Note
Display area
Driver element
Display colors
Number of pixel
Pixel arrangement
Pixel pitch
Display Mode
309.399(H) x 173.952(V) ( 14.0” HD diagonal ) mm
a-Si TFT active matrix
262,144
1366 x 768 pixel 16:9
RGB vertical stripe
0.2265(H) x 0.2265(V) (TYP.) mm
Normally white
Surface treatment
Samsung Secret
Doc.No. Rev.No
Haze 25, Hard-Coating 3H
04-A00-G-110830
Page
Anti-
Glare
4
/ 30LTN140AT26-8
Mechanical Information
Item Min. Typ. Max. Unit Note
Horizontal (H) 323.0 323.5 324.0 mm
Module
size
Note (1) Measurement condition of outline dimension
Vertical (V) 191.5 192.0 192.5 mm
Depth (D) - - 5.2 mm (1)
Weight - - 350 g
. Equipment : Bernier Calipers
. Push Force : 750g ⋅f (minimum)
1. ABSOLUTE MAXIMUM RATINGS
1.1 ENVIRONMENTAL ABSOLUTE RATINGS
Item Symbol Min. Max. Unit Note
Storage temperate TSTG -20 60 °C (1)
Approval
Operating temperate
(Temperature of glass surface)
Shock ( non-operating ) Snop - 240 G (2),(4)
Vibration (non-operating) Vnop - 2.41 G (3),(4)
Note (1) Temperature and relative humidity range are shown in the figure below.
95 % RH Max. (40 °C ≥ Ta)
Maximum wet - bulb temperature at 39 OC or less. (Ta > 40 °C ) No condensation
100
90
80
60
40
20
TOPR 0 50 °C (1)
Relative Humidity ( %RH)
( 40,90 )
Operating Range
( 50,50.4 )
( 60,27.7 )
Storage Range
5
0
-40 -20 0 20 40 60 80
Temperature (OC)
(2) 2ms, half sine wave, one time for ±X, ±Y, ± 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.
Samsung Secret
Doc.No. Rev.No
04-A00-G-110830
Page
/ 30LTN140AT26-8
5
1.2 ELECTRICAL ABSOLUTE RATINGS
(1) TFT LCD MODULE
Item Symbol Min. Max. Unit Note
Power Supply Voltage VDD VDD - 0.3 VDD + 0.3 V (1)
Logic Input Voltage VIN VDD - 0.3 VDD + 0.3 V (1)
Note (1) Within Ta (25 ± 2 °C )
(2) BACK-LIGHT UNIT
Item Symbol Min. Typ. Max. Unit Note
Approval
VDD =3.3V, VSS = GND = 0V
Ta = 25 ± 2 °C , Duty = 100%
LED Current I
LED Voltage F
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
- 25 - mA (1)
3.0 3.2 3.4 V (1)
Samsung Secret
Doc.No. Rev.No
04-A00-G-110830
Page
/ 30LTN140AT26-8
6
Approval
Color
Color
GY0.580
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
* Ta = 25 ± 2 °C, VDD=3.3V, fv= 60Hz, fDCLK = 72.33MHz, IF = 25 mA
Item Symbol Condition Min. Typ. Max Unit Note
Contrast Ratio
(5 Points)
Response Time at Ta
( Rising + Falling )
Average Luminance
of White (5 Points)
Red
Green
Chromaticity
( CIE )
Blue
White
CR
TRT - 16 25 msec (1), (3)
YL,AVE 200 220 - cd/m
RX 0.585
RY 0.355
GX 0.350
BX 0.165
BY 0.125
WX 0.313
WY 0.329
Normal
Viewing
Angle
φ = 0
θ = 0
300 - - - (1), (2), (5)
IF=25mA
2
(1), (4)
-0.03 +0.03 -
(1), (5)
SR-3
Color Gamut 45 - %
θL
Hor.
Viewing
Angle
13 Points
White Variation
Samsung Secret
Ver.
θH
φH
φL
δL
CR ≥ 10
At center
Doc.No. Rev.No
40 - -
40 - -
15 - -
30 - -
- - 1.7 - (6)
04-A00-G-110830
Degrees (1), (5)
Page
SR-3
7
/ 30LTN140AT26-8
Note 1) Definition of Viewing Angle : Viewing angle range(10 ≤
Normal Line
o
φ = 0
,
θ = 0
θ L
φ H
θL =90
o
x
φ L
≤ C/R)
≤≤
o
θ R
y
Approval
12 O’clock
direction
φH= 90
o
6 O’clock
direction
φL= 90
o
x'y'
θR=90
Note 2) Definition of Contrast Ratio (CR) : Ratio of gray max (Gmax) ,gray min (Gmin)
at 5 points(4, 5, 7, 9, 10)
CR(4) + CR(5) + CR(7) + CR(9) + CR(10)
CR =
5
Points : , , , , at the figure of Note (6).
4 9
5
7
10
Note 3) Definition of Response time :
Display data
White(TFT OFF) White(TFT OFF)
TR
Black(TFT ON)
TF
100%
90%
Optical
Response
10%
0%
o
Note 4) Definition of Average Luminance of White : measure the luminance of white at 5 points.
25% 50% 75%
Average Luminance of White ( YL,AVE )
YL4 + YL5 + YL7 + YL9 + YL10
10
9
7
YL,AVE =
5
5
4
: test point
Samsung Secret
Doc.No. Rev.No
04-A00-G-110830
Time
VIEW AREA
25%
50%
75%
(lines)
Page
/ 30LTN140AT26-8
8
Approval
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.
IF current : 25 mA
Environment condition : Ta = 25 ± 2 °C
Photo-detector
( TOPCON SR-3 )
Field = 2°
50 cm
TFT-LCD module
Center of the screen
[ Optical characteristics measurement setup ]
Note 6) Definition of 13 points white variation (δ L ), CR variation( CVER ) [ ~ ]
Maximum luminance of 13 points
LCD panel
1 13
δ L =
Minimum luminance of 13 points
10mm
11
25%
10mm
10mm
25% 50%
13 12
10
75%
9
8
5
3
10mm
Samsung Secret
Doc.No. Rev.No
7
4
2
04-A00-G-110830
6
50%
75%
1
: test point
Page
/ 30LTN140AT26-8
9
Loading...