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Samsung Secret

Product Information

DATE : 23. July. 2012

SAMSUNG TFT-LCD

MODEL : LTA400HM23

The information described in this specification is preliminary and can be changed without

prior notice

Samsung Display Co . , LTD.

MODEL

LTA400HM23 Doc. No

06-000-G-20120723

Page 1 / 26

General Description

Samsung Secret

Description

LTA400HM23 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 40.0“ is 1920 x 1080 and this model can display up to 16.7million colors with

wide viewing angle of 178° 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

 SPVA(Super Patterned Vertical Align) mode

 Wide viewing angle (typ.178°)

 High speed response

 HD resolution (16:9)

 Low Power consumption

 Direct Type LED (Light Emitted Diode) BLU

 DE (Data Enable) mode

 2ch LVDS (Low Voltage Differential Signaling) interface (2pixel/clock)

General Information

Items

Module Size

Weight

Specification

914.4 (HTyp) x 530.6 (VTyp)

37 (DMax)

6200 (Typ.)

Unit

mm

g

Pixel Pitch

0.46125(H) x 0.15375(W)

mm

Active Display Area

885.6 (H) x 498.15 (V)

mm

Surface Treatment

Display Colors

Anti-Glare Haze 5.5%, Hard coating (2H)

8 bit – 16.7 M

-

color

Number of Pixels

1920 x 1080

pixel

Pixel Arrangement

RGB Horizontal stripe

Display Mode

Luminance of White

Normally Black

300 (Typ.)

cd/m2

Note

±1.0mm

MODEL

LTA400HM23 Doc. No

06-000-G-20120723

Page 4 / 26

Photo

detector

SR-3

RD-80S

Field

1°

2°

Photo detector

Field

TFT - LCD Module

Samsung Secret

D : 50㎝

LCD Panel

The center of the screen

- Definition of test point

320

180 ⑨

540 ⑥

900 ③

960

⑧

⑤

②

1600

⑦

④

①

Active Area

Test Point

Note (1) Definition of Contrast Ratio (C/R)

: Ratio of gray max (Gmax) & gray min (Gmin) at the center point ⑤ of the panel

C / R  G max

G min

Gmax : Luminance with all pixels white

Gmin : Luminance with all pixels black

MODEL

LTA400HM23 Doc. No

06-000-G-20120723

Page 7 / 26