SAMSUNG LTM185AT04 Specification

Global LCD Panel Exchange Center

ISSUED DATE : 2010-12-15

SAMSUNG TFTSAMSUNG TFT--LCD PRODUCT INFORMATIONLCD PRODUCT INFORMATION

MODEL MODEL : : LTM185AT04LTM185AT04

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PRODUCT INFORMATIONPRODUCT INFORMATION

Note : This is Product Information is subject to change after 3 months of issuing date.

Application Engineering Part 3, TCS team

LCD Division, Samsung Electronics Co . , LTD.

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4.1 TFT LCD Module

)

g(y)

7. Outline Dimension

(29)

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PRODUCT INFORMATIONPRODUCT INFORMATION

Contents

General Description --------------------------------------------------------------------------------- (3)

1. Absolute Maximum Ratings ------------------------------------------------------------------- (4)

2. Optical Characteristics --------------------------------------------------------------------------- (6)

3. Electrical Characteristics ---------------------------------------------------------------------- (11)

3.1 TFT LCD Module

3.2 Back Light Unit

4. Block Diagram ----------------------------------------------------------------------------------- (15)

4.2 Back Light Unit

5. Input Terminal Pin Assignment -------------------------------------------------------------- (16)

5.1 Input Signal & Power

5.2 LVDS Interface

5.3 Back Light Unit

5.4 Input Signals, Basic Display Colors and Gray Scale of Each Color

6. Interface Timing --------------------------------------------------------------------------------- (25)

6.1 Timin

Parameters (DE only mode

6.2 Timing Diagrams of interface Signal (DE only mode)

6.3 Power ON/OFF Sequence

6.4 LVDS Input Characteristics

6.5 VDD Power Dip Condition

-------------------------------------------------------------------------------

8. General Precaution ------------------------------------------------------------------------------ (31)

8.1 Handling

8.2 Storage

8.3 Operation

8.4 Operation Condition Guide

8.5 Others

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LTM185AT04 product is a color active matrix liquid crystal display

(LCD) that uses

High contrast ratio, high aperture structure

)

gg(

)

Applicati

Active Display Area

409.8(H) x 230.4(V)

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General Description

PRODUCT INFORMATIONPRODUCT INFORMATION

Description

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

18.5” is 1366 X 768 and this model can display up to 16.7 millions colors.

Features

  TN (Twisted Nematic) mode  Wide Viewing Angle  High speed response  HD (1366 x 768 pixels) resolution  Low power consumption  White LED Ed

e slim Backlight (1-side

 DE (Data Enable) only mode  LVDS (Low Voltage Differential Signaling) interface (1pixel/clock)  Compact Size Design  RoHS compliance  TCO’03 compliance

ons

 Workstation & desktop monitors  Display terminals for AV application products  Monitors for industrial machine

* If the module is used to other applications besides the above, please contact SEC

in advance.

General Information

Items Specification Unit Note

Pixel Pitch 0.300(H) x 0.300(W) mm

Surface Treatment Haze 25%, Hard-coating(3H)

Display Colors 16.7M ( 6bit Hi-FRC ) colors

Number of Pixels 1,366 x 768 pixel

Pixel Arrangement RGB vertical stripe

Display Mode Normally White

Luminance of White 250(Typ.)

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Item

Min.Typ

Max.Unit

Note

pag

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PRODUCT INFORMATIONPRODUCT INFORMATION

Mechanical Information

Horizontal (H) 429.87 430.37 430.87 mm

Module

size

Note (1) Mechanical tolerance is · 0.5mm unless there is a special comment.

Vertical (V) 254.1 254.6 255.1 mm

Partially (12.3)mm in the circuit area.

Depth (D) - - 12.3 mm

Weight - - 1,600 g LCD module only

Refer to the

e 30.

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 V

Storage temperature T

Glass surface temperature

(Operation)

Shock ( non - operating ) S

Vibration ( non - operating ) V

Note (1) Ta= 25 · 2 ¶C

STG

OPR

nop

GND-0.5 5.5 V (1)

-25 60

050

୅

- 50 G (3)

- 1.5 G (4)

(2)

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b. Maxi

(

Ta 

39¶C)

(2) Temperature and relative humidity range are shown in the figure below.

a. 90 % RH Max. (Ta  39 ¶C)

mum wet-bulb temperature at 39

c. No condensation

(3) 11ms, sine wave, one time for ·X, ·Y, ·Z axis (4) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis

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or less.

(39,90)

PRODUCT INFORMATIONPRODUCT INFORMATION

(50,50.4)

25,5)

((--25,5)

Fig. Temperature and Relative humidity range

(60,27.7)

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Measuring equipment

SR-3, RD

80S (TOPCON), EZ

Contrast (Eldim)

C/R

600

1000

Chromaticity

0.030

+0.030



(CIE 1976)

C.G.L

Whi

(9)

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2. Optical Characteristics

PRODUCT INFORMATIONPRODUCT INFORMATION

The optical characteristics should be measured in a dark room or equivalent.

Item Symbol Condition Min. Typ. Max. Unit Note

Contrast Ratio

(Center of screen)

Response

Time

Luminance of White

(Center of screen)

On/Off Tr+ Tf - 5 10 msec

Red

(Ta = 25 · 2¶C, VDD=5V, fv= 60Hz, fDCLK=72.33MHz, IL = 252mA )

Ry 0.340

200 250 - cd/m2

0.639

(3)

SR-3

(5)

RD-850S

(6)

SR-3

Color

(CIE 1931)

Color

Chromaticity

Green

Blue

White

Red

Green

Blue

White

Gx 0.324

Gy 0.622

Bx 0.155

By 0.042

Wx 0.313

Wy 0.329 (7),(8)

Ru'

Rv' 0.527

Gu' 0.132

Gv' 0.570

Bu' 0.194

Bv' 0.118

Wu' 0.198

Wv' 0.468

Normal



L,R

U,D

Viewing

Angle

-0.030

0.441

SR-3

+0.030

* C.G.L : Color Grayscale Linearity (continue to the next page)

u'v

--0.

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Color Gamut

--72-%

Ver.

The center of the screen

Item Symbol Condition Min. Typ. Max. Unit Note

Color Temperature - - 6500 - K

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

Hor.

Viewing

Angle

Brightness Uniformity

(9 Points)



uni

Note (1) Test Equipment Setup

The measurement should be executed in a stable, windless and dark room between 30min after lighting the back light at the given temperature for stabilization of the back light. This should be measured in the center of screen.

LED current : 252mA (DC) Environment condition : Ta = 25 · 2 ¶C

CR10

70 80 -

Degrees

70 80 -

--25%

(8)

EZ-

Contrast

(4)

SR-3

Photodetector Field

SR-3

2ദ

TFT - LCD Module

Photodetector

Field

SR-3 : 50໅ RD-80S : 50໅

LCD Panel

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Note (2) Definition of test point

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PRODUCT INFORMATIONPRODUCT INFORMATION

137 683 1229

Active Area

: Test Point

Note (3) Definition of Contrast Ratio (C/R)

: Ratio of gray max (Gmax) & gray min (Gmin) at the center point䐣 of the panel

max

min

3 2 1

8 79

384

691

Gmax : Luminance with all pixels white

Gmin : Luminance with all pixels black

Note (4) Definition of 9 points brightness uniformity

Buni

100

Bmax : Maximum brightness

Bmin : Minimum brightness

(max min)



max

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a. On/Off response time : Sum of Tr, Tf

Response

Note (7) Definition of Color Chromaticity (CIE 1931, CIE1976)

: Viewing angle range

(CR

10)

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Note (5) Definition of Response time

Display Data White(TFT off) Black(TFT on) White(TFT off)

Optical Instruments

Note (6) Definition of Luminance of White : Luminance of white at center point䐣

Color coordinate of Red, Green, Blue & White at center point䐣

Note (8) Definition of Viewing Angle

100%

90%

10%



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a. Test image : 100% full white pattern with a test pattern as below

225

uv=

(u-u)+

(v-v

)

ABA

Note (9) Color Grayscale Linearity

b. Test pattern : Squares, 40mm by 40mm in size, filled with 255, 225, 195, 165, 135 and

105 grays steps should be arranged at the centerྜྷ of the screen.

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c. Test method

-1

gray step : move a square of 255 gray level should be moved into the center of the

screen and measure luminance and u’ and v’ coordinates.

-Next gray step : Move a

luminance and coordinates, too.

d. Test evaluation

Where A, B : 2 gray levels found to have the largest color differences between them

i.e. get the largest u’ and v’ of each 6 pair of u’ and v’ and calculate the u’v’.

gray square into the center and measure both

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