LG Display LM185WH2-TLA1 Specification

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( ) Preliminary Specification

) Final Specification

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LM185WH2

Liquid Crystal Display

Product Specification

SPECIFICATION

FOR

APPROVAL

Title 18.5” HD TFT LCD

BUYER

MODEL

SIGNATURE DATE

AOC

SUPPLIER LG Display Co., Ltd.

*MODEL LM185WH2

SUFFIX TLA1

*When you obtain standard approval,

please use the above model name without suffix

APPROVED BY

B.C. Kim / G.Manager

REVIEWED BY

J. H. Kim / Manager [C]

Y. H. Hwang / Manager [M]

M. S. Kang / Manager [P]

DATE

Please return 1 copy for your confirmation With your signature and comments.

Ver. 1.0 JAN., 26, 2011

PREPARED BY

D.K. Heo / Engineer

Product Engineering Dept.

LG Display Co., Ltd

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LM185WH2

Liquid Crystal Display

Product Specification

Contents

No ITEM

COVER 1

CONTENTS 2

RECORD OF REVISIONS 3

1 GENERAL DESCRIPTION 4

2 ABSOLUTE MAXIMUM RATINGS 5

3 ELECTRICAL SPECIFICATIONS 6

1) ELECTRICAL CHARACTERISTICS 6

2) INTERFACE CONNECTIONS 8

LVDS characteristics

4) SIGNAL TIMING SPECIFICATIONS 14

5) SIGNAL TIMING WAVEFORMS 15

6) COLOR INPUT DATA REFERNECE 16

7) POWER SEQUENCE 17

8) POWER DIP CONDITION 18

4 OPTICAL SFECIFICATIONS 19

Page

5 MECHANICAL CHARACTERISTICS 24

6RELIABILITY 27

7 INTERNATIONAL STANDARDS 28

1) SAFETY 28

2) EMC 28

8 PACKING 29

1) DESIGNATION OF LOT MARK 29

2) PACKING FORM 29

9 PRECAUTIONS 30

1) MOUNTING PRECAUTIONS 30

2) OPERATING PRECAUTIONS 30

3) ELECTROSTATIC DISCHARGE CONTROL 31

4) PRECAUTIONS FOR STRONG LIGHT EXPOSURE 31

5) STROAGE 31

6) HANDLING PRECAUTIONS FOR PROTECTION FILM 31

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Revision No DescriptionDate Page

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LM185WH2

Liquid Crystal Display

Product Specification

Record of revisions

Ver 1.0

JAN.,26,2010

Final Specifications

Ver. 1.0 JAN., 26, 2011

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1. General description

LM185WH2-TLA1 is a Color Active Matrix Liquid Crystal Display with a Light Emitting Diode ( White LED) backlight system without LED Driver. The matrix employs a-Si Thin Film Transistor as the active element. It is a transmissive type display operating in the normally white mode. It has a 18.5 inch diagonally measured active display area with HD resolution (768 vertical by 1366 horizontal pixel array) Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes. Gray scale or the brightness of the sub-pixel color is determined with a 8-bit gray scale signal for each dot, thus, presenting a palette of more than 16,7M colors with Advanced-FRC(Frame Rate Control). It has been designed to apply the interface method that enables low power, high speed, low EMI. FPD Link or compatible must be used as a LVDS chip. It is intended to support applications where thin thickness, wide viewing angle, low power are critical factors and graphic displays are important. In combination with the vertical arrangement of the sub-pixels, the LM185WH2-TLA1 characteristics provide an excellent flat panel display for office automation products such as monitors.

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LM185WH2

Liquid Crystal Display

Product Specification

FIG. 1 Block diagram

LVDS

pair #1

Timing

controller

RGB

Source driver circuit

S1366

TFT-LCD Panel

CN1

LCD

Power circuit

block

+5V

Vled 3ch

General features

Active screen size 18.51 inches (470.1mm) diagonal Outline Dimension 430.4(H) x 254.6(V) x 9.7(D) mm(Typ.) Pixel Pitch 0.10*RGB(H)mm x 0.30(V)mm Pixel Format 1366 horizontal By 768 vertical Pixels. RGB stripe arrangement

Interface LVDS 1Port

(1366ÝRGBÝ768 pixels)

G768

Backlight assembly (White LED)

Color depth 16.7M colors

Luminance, white 250 cd/m

( Center 1Point, typ)

Viewing Angle (CR>10) R/L 170(Typ.), U/D 160(Typ.)

Power Consumption

Total 12.82W(Typ.), (3.60 W@V

, 9.22W@IBL= 60 mA)

LCD

Weight 1,000g (Typ.) Display operating mode Transmissive mode, Normally White

Surface treatments

Hard coating(3H), Anti-glare treatment of the front polarizer

Color Gamut 68% CIE1931

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2. Absolute maximum ratings

The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit.

Table 1. Absolute maximum ratings

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LM185WH2

Liquid Crystal Display

Product Specification

Parameter Symbol

Units Notes

Min Max

Values

Power Supply Input Voltage V

Operating Temperature T

Storage Temperature T

Operating Ambient Humidity H

Storage Humidity H

LCD

-0.3 +6.0 Vdc At 25୅

050¶C

-20 60 ¶C

10 90 %RH

Notes : 1. Temperature and relative humidity range are shown in the figure below.

Wet bulb temperature should be 39 ¶C Max, and no condensation of water.

2. Storage condition is guaranteed under packing condition.

FIG. 2 Temperature and relative humidity

90%

60%

1, 2

Wet Bulb

Temperature [୅]

10 20 30 40 50 60 70 800-20

Dry Bulb Temperature [୅]

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40%

10%

Storage

Operation

Humidity

[(%)RH]

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3. Electrical specifications

3-1. Electrical characteristics

It requires two power inputs. One is employed to power the LCD electronics and to drive the TFT array and liquid crystal. The second input power for the CCFL/Backlight, is typically generated by an inverter. The inverter is an external unit to the LCDs.

Table 2. Electrical characteristics

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LM185WH2

Liquid Crystal Display

Product Specification

Parameter Symbol

Min Typ Max

Values

Unit Notes

MODULE : Power Supply Input Voltage V Permissive Power Input Ripple V

Power Supply Input Current

LCD-MOSAIC

LCD-BLACK

Power Consumption P Inrush current I

LCD

RUSH

4.5 5.0 5.5 Vdc

- - 0.2 V 3

- 720 940 mA 1

- 900 1170 mA 2

- 3.60 4.70 Watt 1

- - 3.0 A 4

Notes :

1. The specified current and power consumption are under the V whereas mosaic pattern(8 x 6) is displayed and f

LCD=5.0V, 25  2¶C,f

=60Hz condition

is the frame frequency.

2. The current is specified at the maximum current pattern.

3. Permissive power ripple should be measured under VCC=5.0V, 25¶C, f

(frame frequency)=75Hz

condition and At that time, we recommend the bandwidth configuration of oscilloscope is to be under 20MHz.

4. The duration of rush current is about 5ms and rising time of power Input is 500us  20%.

FIG.3 pattern for Electrical characteristics

power consumption measurement

White : 255Gray Black : 0Gray

Mosaic Pattern(8 x 6)

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power input ripple

Full Black Pattern

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Table 3. LED Bar ELECTRICAL CHARACTERISTICS

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LM185WH2

Liquid Crystal Display

Product Specification

Values

Parameter Symbol Condition

Min. Typ. Max.

LED : 1

LED String Current Is - 60 65 mA 2

LED String Voltage Vs - 51.2 56 V 3

Power Consumption PBar - 9.22 10.08 Watt 4,6

LED Life Time LED_LT 30,000 - - Hrs 5

LED driver design guide

: The design of the LED driver must have specifications for the LED in LCD Assembly.

The performance of the LED in LCM, for example life time or brightness, is extremely

influenced by the characteristics of the LED driver. So all the parameters of an LED driver should be carefully designed and output current should be Constant current control. Please control feedback current of each string individually to compensate the current variation among the strings of LEDs When you design or order the LED driver, please make sure unwanted lighting caused by the mismatch of the LED and the LED driver (no lighting, flicker, etc) never occurs. When you confirm it, the LCD module should be operated in the same condition as installed in your instrument.

Unit

Note

1. Specified values are for a single LED bar.

2. The specified current is input LED chip 100% duty current.

3. The specified voltage is input LED string and Bar voltage at typical 60mA 100% duty current.

4. The specified power consumption is input LED bar power consumption at typical 60 mA 100% duty current.

5. The life is determined as the time at which luminance of the LED is 50% compared to that of

initial value at the typical LED current on condition of continuous operating at 25  2¶C.

6. The LED bar power consumption shown above does not include loss of external driver. The used LED bar current is the LED typical current. Min Power Consumption is calculated with PBar = Vs(Min.) x Is(Typ.) x Nstring Max Power Consumption is calculated with PBar = Vbar(Max.) x Is(Typ) x Nstring

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3-2. Interface connections

LCD Connector(CN1): GT103-30S-HF15-E2500(LSM) or IS100-L30O-C23 (UJU)

Mating connector : FI-X30H and FI-X30HL (JAE) or Equivalent

Table 4. Module connector(CN1) pin configuration

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LM185WH2

Liquid Crystal Display

Product Specification

Pin No

2 3 4 5 6 7 8 9

12 13 14 15 16 17 18 19 20

22 23 24 25 26 27 28 29 30

Symbol Description

PWM_OUT

NC GND RX0RX0+

GND

RX1RX1+ GND RX2RX2+ GND RXCLKRXCLK+ GND

RX3-

RX3+ GND NC NC NC GND GND GND

LCD

VLCD

No Connection (For LCD internal use only.) Reference signal for inverter control No Connection (For LCD internal use only.) Ground

Minus signal of channel 0 (LVDS)

Plus signal of channel 0 (LVDS) Ground Minus signal of channel 1 (LVDS) Plus signal of channel 1 (LVDS) Ground Minus signal of channel 2 (LVDS) Plus signal of channel 2 (LVDS) Ground Minus signal of clock channel (LVDS) Plus signal of clock channel (LVDS) Ground Minus signal of channel 3 (LVDS) Plus signal of channel 3 (LVDS) Ground No Connection (For LCD internal use only.) No Connection (For LCD internal use only.) No Connection (For LCD internal use only.) Ground Ground Ground Power Supply (5.0V) Power Supply (5.0V) Power Supply (5.0V) Power Supply (5.0V) Power Supply (5.0V)

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FIG. 4 Connector diagram

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LM185WH2

Liquid Crystal Display

Product Specification

GT103-30S-HF15-E2500 (LSM)

#1 #30

signal pairs

Notes:

Power(5V)

PWM signal

#1 #30

Rear view of LCM

1. NC: No Connection.

2. All GND(ground) pins should be connected together and to Vss which should also be connected to the LCD’s metal frame.

3. All V

4. Input Level of LVDS signal is based on the IEA 664 Standard.

5. PWM_OUT is a reference signal for inverter control. This PWM signal is synchronized with vertical frequency. Its frequency is 3 times of vertical frequency, and its duty ratio is 50%. If the system don’t use this pin, do not connect.

(power input) pins should be connected together.

LCD

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Table 5. BACKLIGHT CONNECTOR PIN CONFIGURATION

The LED interface connector is a model 05010HR-H10F(G) manufactured by Yeonho Electronics. The pin configuration for the connector is shown in the table below.

Pin Symbol Description Notes

1 NC No Connection

2 NC No Connection

3 FB3 Channel3 Current Feedback FB3

4 NC No Connection

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LM185WH2

Liquid Crystal Display

Product Specification

5 VLED LED Power Supply

6 VLED LED Power Supply

7 FB1 Channel1 Current Feedback FB1

8 FB2 Channel2 Current Feedback

9 NC No Connection

10 NC No Connection

FB2

PCB

LED

[ Figure 5 ] Backlight connector diagram

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3-3. LVDS characteristics

3-3-1. DC Specification

LVDS -

LVDS +

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LM185WH2

Liquid Crystal Display

Product Specification

|VID|

#|VID| = |(LVDS+) ˀ (LVDS-)|

= {(LVDS+) + (LVDS-)}/2

Description Symbol Min Max Unit Notes

LVDS Differential Voltage |V

LVDS Common mode Voltage V

LVDS Input Voltage Range V

3-3-2. AC Specification

LVDS Clock

LVDS Data

SKEW

| 200 600 mV -

SKEW (Fclk

= 1/T

1) 90 MHz > Fclk ˻65 MHz : - 400 ~ +400

2) 65 MHz > Fclk ˻25 MHz : - 600 ~ +600

0.6 1.8 V -

0.3 2.1 V -

clk

)

IN_MAXVIN_MIN

Description Symbol Min Max Unit Notes

LVDS Clock to Data Skew Margin

Maximum deviation of input clock frequency during SSC

Maximum modulation frequency of input clock during SSC

SKEW

DEV

MOD

- 400 + 400 ps

- 600 + 600 ps

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- · 3% -

- 200 KHz -

90MHz > Fclk ≥ 65MHz

65MHz > Fclk ≥ 25MHz

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Freq.

max

center

min

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Product Specification

tvk

LM185WH2

Liquid Crystal Display

QGm



kl}

3-3-3. LVDS Data format

CLK +/-

RXin0 +/-

RXin1 +/-

RXin2 +/-

RXin3 +/-

R3 R2 R1 R0

G4 G3 G2 G1

B5 B4 B3 B2

G7 G6 R7 R6

Tclk * 4/7 Tclk * 3/7

< Spread Spectrum >

Tclk

Tclk * 1/7

G0 R5 R4 R3 R2 R1 R0

B1 B0 G5 G4 G3 G2 G1

VSYNC HSYNC

X B7 B6 G7 G6 R7 R6

B5 B4 B3 B2

Current(Nth) CyclePrevious(N-1)th Cycle Next(N+1)th Cycle

G0 R5 R4

B1 B0 G5

VSYNC HSYNC

X B7 B6

Time

MSB R7

R0LSB

< LVDS Data Format >

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Table 6. Required signal assignment for Flat Link(NS:DS90CF383) transmitter

Pin # Require SignalPin Name Pin # Require SignalPin Name

1 Power Supply for TTL InputVCC 29 Ground pin for TTLGND

2 TTL Input (R7)D5 30 TTL Input (DE)D26

3 TTL Input (R5)D6 31 TTL Level clock InputTXCLKIN

4 TTL Input (G0)D7 32 Power Down InputPWR DWN

5 Ground pin for TTLGND 33 Ground pin for PLLPLL GND

6 TTL Input (G1)D8 34 Power Supply for PLLPLL VCC

7 TTL Input (G2)D9 35 Ground pin for PLLPLL GND

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LM185WH2

Liquid Crystal Display

Product Specification

8 TTL Input (G6)D10 36 Ground pin for LVDSLVDS GND

9 Power Supply for TTL InputVCC 37 Positive LVDS differential data output 3

10 TTL Input (G7)D11 38 Negative LVDS differential data output 3

11 TTL Input (G3)D12 39 Positive LVDS differential clock output

12 TTL Input (G4)D13 40 Negative LVDS differential clock output

13 Ground pin for TTLGND 41 Positive LVDS differential data output 2

14 TTL Input (G5)D14 42 Negative LVDS differential data output 2

15 TTL Input (B0)D15 43 Ground pin for LVDSLVDS GND

16 TTL Input (B6)D16 44 Power Supply for LVDSLVDS VCC

17 Power Supply for TTL InputVCC 45 Positive LVDS differential data output 1

18 TTL Input (B7)D17

19 TTL Input (B1)D18

20 TTL Input (B2)D19

22 TTL Input (B3)D20

23 TTL Input (B4)D21

24 TTL Input (B5)D22

46 Negative LVDS differential data output 1

47 Positive LVDS differential data output 0

48 Negative LVDS differential data output 0

49 Ground pin for LVDSLVDS GND21 Ground pin for TTL InputGND

50 TTL Input (R6)D27

51 TTL Input (R0)D0

52 TTL Input (R1)D1

TxOUT3ు

TxOUT3ృ

TXCLKOUTు

TXCLKOUTృ

TXOUT2ు

TXOUT2ృ

TXOUT1ు

TXOUT1ృ

TXOUT0ు

TXOUT0ృ

25 TTL Input (RSVD)D23

26 Power Supply for TTL InputVCC 54 TTL Input (R2)D2

53 Ground pin for TTLGND

55 TTL Input (R3)D327 TTL Input (HSYNC)D24

56 TTL Input (R4)D428 TTL Input (VSYNC)D25

Notes : Refer to LVDS Transmitter Data Sheet for detail descriptions.

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3-4. Signal timing specifications

This is the signal timing required at the input of the User connector. All of the interface signal timing should be satisfied with the following specifications for it’s proper operation.

Table 7. Timing table

Parameter Symbol Min. Typ. Max. Unit Notes

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LM185WH2

Liquid Crystal Display

Product Specification

CLK

Horizontal

Vertical

DE (Data Enable)

Data

Period t

Frequency f

Horizontal Valid t

H Period Total t

Hsync Frequency f

Vertical Valid t

V Period Total t

Vsync Frequency f

DE Setup Time t

DE Hold Time t

Data Setup Time t

Data Hold Time t

CLK

11.1 13.0 16.2 ns

61.6 77.0 90.0 MHz

1366 1366 1366

CLK

1462 1608 2044

38.3 47.9 60.6 kHz

768 768 768

776 798 1108

48 60 76 Hz

4- -

ns For D

4- -

ns For D

4- -

CLK

Notes:

1. LM185WH2-TLA1 is DE Only mode operation. The input of Hsync & Vsync signal does not have an effect on LCD normal operation.

2. The performance of the electro-optical characteristics may be influenced by variance of the

vertical refresh rates.

3. Horizontal period should be even.

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3-5. Signal timing waveforms

1. DCLK , DE, DATA waveforms

CLK

Dclk

Invalid

Data

DE(Data Enable)

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Product Specification

Valid

LM185WH2

Liquid Crystal Display

Invalid

2. Horizontal waveform

DE(Data Enable)

3. Vertical waveform

DE(Data Enable)

tVV

tHV

tHP

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3-6. Color input data reference

The brightness of each primary color (red,green and blue) is based on the 8bit gray scale data input for the color ; the higher the binary input, the brighter the color. The table below provides a reference for color versus data input.

Table 8. Color data reference

Color

MSB LSB

R7 R6 R5 R4 R3 R2 R1 R0 G7 G6 G5 G4 G3 G2 G1 G0 B7 B6 B5 B4 B3 B2 B1 B0

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Product Specification

Input Color Data

Red

MSB LSB

Green

LM185WH2

Liquid Crystal Display

Blue

MSB LSB

Basic Color

Red

Green

Blue

Black Red (255)

Green (255) Blue (255) Cyan Magenta Yellow White

Red(000) Dark Red(001)

Red(002)

---------

--------Red(253) Red(254) Red(255) Bright

Green(000) Dark Green(001)

Green(002)

---------

--------Green(253) Green(254) Green(255)Bright

Blue(000) Dark Blue(001)

Blue(002)

---------

--------Blue(253) Blue(254) Blue(255) Bright

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3-7. Power sequence

LCD

Power Supply For LCD

Interface Signal (Tx)

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Product Specification

90% 90%

10%

T2 T5 T7

Valid data

LM185WH2

Liquid Crystal Display

10%

Power for LED

LED on

Table 9. Power sequence

Values

Parameter

Min Typ Max T1 0.5 - 10 ms T2 0.01 - 50 ms T3 500 - - ms T4 200 - - ms T5 0.01 - 50 ms T7 1 - - s

Notes :

1. Please avoid floating state of interface signal at invalid period.

2. When the interface signal is invalid, be sure to pull down the power supply for LCD V

LCD

to 0V.

3. Lamp power must be turn on after power supply for LCD an interface signal are valid.

Units

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LM185WH2

Liquid Crystal Display

Product Specification

3-8. V

Power dip condition

LCD

FIG. 6 Power dip condition

1) Dip condition

3.5V ≤V

౒ 4.5V , td≤20ms

LCD

4.5V

3.5V

GND(ground)

2) V

౒ 3.5V

LCD

-dip conditions should also follow the Power On/Off conditions for supply voltage.

LCD

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4. Optical specification

Optical characteristics are determined after the unit has been ‘ON’ for 30 minutes in a dark environment at 25¶C.

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LM185WH2

Liquid Crystal Display

Product Specification

Table 10. Optical characteristics

Ta= 25¶C, V

=5.0V, fV=60Hz f

LCD

Values

Parameter Symbol

Min Typ Max

Contrast Ratio CR 600 1000 -

Surface Luminance, white L

Luminance Variation 

WHITE

Rise Time Tr

Response Time

Decay Time Tr

9P 75 %

200 250 - cd/m

-1.12.6ms

-3.97.4ms

0.629

RED

Ry 0.345

Gx 0.341

GREEN Color Coordinates [CIE1931]

BLUE

Gy 0.623 Bx 0.156

Typ

-0.03

+0.03

By 0.046

Wx 0.313

WHITE

Wy 0.329

Typ

= 77.0MHz

CLK

Units Notes

(PR-880)

(RD80S)

(PR-650)

Viewing Angle (CR>5)

x axis, right(=0¶) r 75 88 Degree x axis, left (=180¶) l7588

y axis, up (=90¶) u7085

y axis, down (=270¶) d7085

Viewing Angle (CR>10)

(PR-880)

x axis, right(=0¶) r 70 85 Degree

x axis, left (=180¶) l7085

y axis, up (=90¶) u6075

y axis, down (=270¶) d7085 Crosstalk 1.5 % (PR880) Luminance uniformity -

Angular dependence (TCO 5.0)

LR - - 1.73

Color grayscale linearity Δu’v’ 0.018

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(PR880)

(PR-650)

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The values specified are at an approximate distance 50cm from the LCD surface at a viewing angle of  and  equal to 0 ¶. FIG. 7 presents additional information concerning the measurement equipment and method.

FIG. 7 Optical characteristic measurement equipment and method

Optical

Stage(x,y)

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LM185WH2

Liquid Crystal Display

Product Specification

LCD Module

Pritchard 880 or equivalent

50cm

Notes :

1. Contrast ratio(CR) is defined mathematically as :It is measured at center point(1) Surface luminance with all white pixels

Contrast ratio = ---------------------------------------------------------

Surface luminance with all black pixels

2. Surface luminance is the luminance value at center 1 point(1) across

the LCD surface 50cm from the surface with all pixels displaying white. For more information see FIG 8.

3. The variation in surface luminance , 

is defined as

WHITE

Minimum (P1,P2 …..P9)



= --------------------------------------------- *100

WHITE

Maximum (P1,P2 …..P9)

For more information see Figure 8.

FIG. 8 Luminance measuring point

H/2

H/10

H/2

V/2

V/10

Active Area

H : 409.800 mm

V : 230.400 mm @ H,V : Active Area

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Notes :

4. Response time is the time required for the display to transition from black to white

(Decay Time, Tr

The sampling rate is 2,500 sample/sec. For additional information see FIG. 9.

The response time is defined as the following figure and shall be measured by switching the input signal for each gray to gray.

FIG. 9 Response time

) and from white to black (Rise Time, TrR)

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LM185WH2

Liquid Crystal Display

Product Specification

100

Optical

white black white

response

[%]

5. Viewing angle is the angle at which the contrast ratio is greater than 10 or 5. The angles are

determined for the horizontal or x axis and the vertical or y axis with respect to the z axis which is normal to the LCD surface. For more information see FIG. 10 .

FIG. 10 Viewing angle

Normal



= 90, Up



= 180, Left





= 0, Right



= 270, Down

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Notes :

6. Luminance Uniformity - angular – dependence (LR& TB)

TCO 5.0 Luminance uniformity – angular dependence, is the capacity of the FPD to maintain a certain luminance level independently of the viewing direction, The angular-dependent luminance uniformity is defined as the ratio of maximum luminance to minimum luminance in the specified measurement areas.

- Test pattern : Full white 4˚൴ 4˚square size, back ground shall be set to 80% image loading, RGB 204, 204, 204

- Test luminance : ≥150cd/༇

- Test point : 5-point

- Test distance : D * 1.5 = 87.63༃

- Test method : L

= ((L

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Product Specification

max.+30deg.

max.+15deg.

/ L

min. +30deg.

/ L

min. +15deg.

) + (L

)

max. -30deg.

/ L

min. -30deg.

LM185WH2

Liquid Crystal Display

)) / 2

FIG. 11 Luminance Uniformity angular dependence

< Luminance uniformity - angular dependence measuring point >

V/2

H/10

7. Gray scale specification

Table 11. Gray scale

Gray level Luminance [%] (Typ)

L0 L31 L63 L95

L127 L159 L191 L223 L255

0.10

0.97

4.43

11.06

21.13

38.44

52.50

74.15 100

V/10

H/10

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Notes :

8. Color grayscale linearity , Δu’v’ is defined as

Where indices A and B are the two gray levels found to have the largest color differences between them.

i.e. get the largest Δu’ and Δv’ of each 6pairs of u’ and v’ and calculate Δu’v’ .

-Test pattern : 100% full white pattern with a test pattern as shown FIG.12 Squares of 40mm by 40mm in size, filled with 255, 225, 195, 165, 135 and 105 grayscale steps should be arranged in the center of the screen.

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)''()''(

BABA

vvuu





LM185WH2

Liquid Crystal Display

-Test method :

First 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 255 gray square into the center and measure both luminance and u’ and v’ coordinates. The same procedure shall then be repeated for gray steps 195, 165, 135 and 105.

FIG. 12 Color grayscale linearity

40mm

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5. Mechanical characteristics

The contents provide general mechanical characteristics. In addition the figures in the next page are detailed mechanical drawing of the LCD.

Table 12. Mechanical characteristics

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LM185WH2

Liquid Crystal Display

Product Specification

Horizontal 430.4 mm

Outline dimension

Bezel area

Active display area

Weight 1,000g (Typ.) 1,050g (Max)

Surface treatment

Notes : Please refer to a mechanic drawing in terms of tolerance at the next page.

Vertical 254.6 mm

Depth 9.70 mm

Horizontal 413.4 mm

Vertical 234.0 mm

Horizontal 409.800 mm

Vertical 230.400 mm

Hard coating(3H) Anti-glare treatment of the front polarizer

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Liquid Crystal Display

Product Specification

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6. Reliability

Table 13. Environment test conditions

No Test Item Condition

Vibration test (non-operating)

Shock test (non-operating)

Altitude

operating storage / shipment

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Ta= 60¶C 240hrsHigh temperature storage test1 Ta= -20¶C 240hrsLow temperature storage test2 Ta= 50¶C 50%RH 240hrsHigh temperature operation test3 Ta= 0¶C 240hrsLow temperature operation test4

Wave form : random Vibration level : 1.0GRMS Bandwidth : 10-300Hz Duration : X,Y,Z, 30 min

One time each direction Shock level : 120G Waveform : half sine wave, 2msec Direction : ᇹX, ᇹY, ᇹZ

One time each direction

0 - 10,000 feet(3,048m) 0 - 40,000 feet(12,192m)

{ Result evaluation criteria } There should be no change which might affect the practical display function when the display

quality test is conducted under normal operating condition.

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7. International standards

7-1. Safety

a) UL 60065, Seventh Edition, Underwriters Laboratories Inc.

Audio, Video and Similar Electronic Apparatus - Safety Requirements.

b) CAN/CSA C22.2 No.60065:03, Canadian Standards Association.

Audio, Video and Similar Electronic Apparatus - Safety Requirements.

c) EN 60065:2002 + A11:2008, European Committee for Electro technical Standardization

(CENELEC).

Audio, Video and Similar Electronic Apparatus - Safety Requirements.

d) IEC 60065:2005 + A1:2005, The International Electro technical Commission (IEC).

Audio, Video and Similar Electronic Apparatus - Safety Requirements.

(Including report of IEC60825-1:2001 clause 8 and clause 9)

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Notes

1. Laser (LED Backlight) Information (SEOUL SEMICONDUCTOR, EWT719PA)

Class 1M LED Product

IEC60825-1 : 2001

Embedded LED Power (Class1M)

Power : 4.3275 mW (Max.)

Wavelength : 444 (nm) Width : 0.5 x 0.5 (mm)

2. Caution : LED inside.

Class 1M laser (LEDs) radiation when open. Do not open while operating.

7-2. EMC

a) ANSI C63.4 “Methods of Measurement of Radio-Noise Emissions from Low-Voltage

Electrical and Electrical Equipment in the Range of 9kHZ to 40GHz. “American National Standards Institute(ANSI),1992

b) C.I.S.P.R “Limits and Methods of Measurement of Radio Interface Characteristics of

Information Technology Equipment.“ International Special Committee on Radio Interference.

c) EN 55022 “Limits and Methods of Measurement of Radio Interface Characteristics of

Information Technology Equipment.“ European Committee for Electro-technical Standardization.(CENELEC), 1998 ( Including A1: 2000 )

7-3. Environment

a) RoHS, Directive 2002/95/EC of the European Parliament and of the council of 27

January 2003

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8. Packing

8-1. Designation of lot mark

a) Lot mark

ABCDEFGHI JKLM

A,B,C : Size (Inch) D : Year E : Month F ~ M : Serial No.

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LM185WH2

Liquid Crystal Display

Product Specification

Note:

1. Year

Year

Mark

200320022001

200452005

321

2006720078200892009

2010

2. Month

Month

Mark

Apr5May

Jun7Jul8Aug9Sep

Oct

Nov

b) Location of lot mark

Serial No. is printed on the label. The label is attached to the backside of the LCD module. This is subject to change without prior notice.

8-2. Packing form

a) Package quantity in one box : 16 pcs b) Box size : 365 mm X 315 mm X 492 mm

DecMarFebJan

C321

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9. Precautions

Please pay attention to the followings when you use this TFT LCD module.

9-1. Mounting Precautions

(1) You must mount a module using holes arranged in four corners or four sides. (2) You should consider the mounting structure so that uneven force (ex. Twisted stress) is

not applied to the Module. And the case on which a module is mounted should have sufficient strength so that external force is not transmitted directly to the module.

(3) Please attach the surface transparent protective plate to the surface in order to protect

the polarizer. Transparent protective plate should have sufficient strength in order to the

resist external force. (4) You should adopt radiation structure to satisfy the temperature specification. (5) Acetic acid type and chlorine type materials for the cover case are not desirable because

the former generates corrosive gas of attacking the polarizer at high temperature and the

latter causes circuit break by electro-chemical reaction. (6) Do not touch, push or rub the exposed polarizers with glass, tweezers or anything harder

than HB pencil lead. And please do not rub with dust clothes with chemical treatment.

Do not touch the surface of polarizer for bare hand or greasy cloth.

(Some cosmetics are detrimental to the polarizer.)

(7) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft

materials like chamois soaks with petroleum benzene. Normal-hexane is recommended

for cleaning the adhesives used to attach front / rear polarizers. Do not use acetone,

toluene and alcohol because they cause chemical damage to the polarizer. (8) Wipe off saliva or water drops as soon as possible. Their long time contact with polarizer

causes deformations and color fading. (9) Do not open the case because inside circuits do not have sufficient strength.

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9-2. Operating precautions

(1) The spike noise causes the mis-operation of circuits. It should be lower than following

voltage : V=·200mV(Over and under shoot voltage)

(2) Response time depends on the temperature.(In lower temperature, it becomes longer.) (3) Brightness depends on the temperature. (In lower temperature, it becomes lower.)

And in lower temperature, response time(required time that brightness is stable after

turned on) becomes longer.

(4) Be careful for condensation at sudden temperature change. Condensation makes damage

to polarizer or electrical contacted parts. And after fading condensation, smear or spot will

occur.

(5) When fixed patterns are displayed for a long time, remnant image is likely to occur. (6) 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 minimized the interference.

(7) Please do not give any mechanical and/or acoustical impact to LCM. Otherwise, LCM can

not be operated its full characteristics perfectly.

(8) A screw which is fastened up the steels should be a machine screw (if not, it causes metal

foreign material and deal LCM a fatal blow)

(9) Please do not set LCD on its edge.

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9-3. Electrostatic discharge control

Since a module is composed of electronic circuits, it is not strong to electrostatic discharge. Make certain that treatment persons are connected to ground through wrist band etc. And don’t touch interface pin directly.

9-4. Precautions for strong light exposure

Strong light exposure causes degradation of polarizer and color filter.

9-5. Storage

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When storing modules as spares for a long time, the following precautions are necessary.

(1) Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep

the temperature between 5¶C and 35¶C at normal humidity.

(2) The polarizer surface should not come in contact with any other object.

It is recommended that they be stored in the container in which they were shipped.

9-6. Handling precautions for protection film

(1) The protection film is attached to the bezel with a small masking tape.

When the protection film is peeled off, static electricity is generated between

the film and polarizer. This should be peeled off slowly and carefully by people who are

electrically grounded and with well ion-blown equipment or in such a condition, etc.

(2) When the module with protection film attached is stored for a long time,

sometimes there remains a very small amount of glue still on the bezel after the protection film is peeled off.

(3) You can remove the glue easily. When the glue remains on the bezel surface or

its vestige is recognized, please wipe them off with absorbent cotton waste or

other soft material like chamois soaked with normal-hexane.

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LG Display LM185WH2-TLA1 Specification

Specifications and Main Features

Frequently Asked Questions

User Manual