LG Display LM215WF4-TLE7 Specification

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(୛) Final Specification

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LM215WF4

Liquid Crystal Display

Product Specification

SPECIFICATION

FOR

APPROVAL

Title 21.5” Full HD TFT LCD

BUYER

MODEL

SIGNATURE DATE

Asus

SUPPLIER LG Display Co., Ltd.

*MODEL LM215WF4

SUFFIX TLE7

*When you obtain standard approval,

please use the above model name without suffix

APPROVED BY

K.G. Park / G.Manager

REVIEWED BY

K.H. Oh / Manager [C]

H.D. Joo / Manager [M]

C.S. Shin / Manager [P]

DATE

PREPARED BY

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

Ver. 1.0 Feb. 28. 2011

S.H. Kim / Engineer

Product Engineering Dept.

LG Display Co., Ltd

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LM215WF4

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

3) LVDS characteristics 11

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 25 6 RELIABILITY 28 7 INTERNATIONAL STANDARDS 29

1) SAFETY 29

2) EMC 29

3) ENVIRONMENT 29

8PACKING 30

1) DESIGNATION OF LOT MARK 30

2) PACKING FORM 30

9 PRECAUTIONS 31

1) MOUNTING PRECAUTIONS 31

2) OPERATING PRECAUTIONS 31

3) ELECTROSTATIC DISCHARGE CONTROL 32

4) PRECAUTIONS FOR STRONG LIGHT EXPOSURE 32

5) STROAGE 32

6) HANDLING PRECAUTIONS FOR PROTECTION FILM 32

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LM215WF4

Liquid Crystal Display

Product Specification

Record of revisions

Revision

Ver. 0.1 Dec. 10. 2010 - Preliminary Specifications

Ver. 0.2 Jan.21.2011 4

Ver. 1.0 Feb. 28. 2011 - Final Specifications

Date Page Description

integral Light Emitting Diode(LED) Æ a Light Emitting

Diode (LED)

4 Update Fig.1 (W-LEDs)

7 Update LED string voltage (min -. Æ min 46.4V)

10 Change 10019HR-06 to 10019HR-H06B

23 Change Notes 7 (Test pattern, Test point)

23 Update FIG.12

27 Update Rear View

30 Update 8-1. Note 1

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LM215WF4

Liquid Crystal Display

Product Specification

1. General description

LM215WF4-TLE7 is a Color Active Matrix Liquid Crystal Display with a Light Emitting Diode (LED) backlight system. 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 21.5 inch diagonally

measured active display area with Full HD resolution (1080 vertical by 1920 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(Low

Voltage Differential Signaling) 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 LM215WF4-TLE7 characteristics provide an excellent flat panel display for office automation products such as monitors.

FIG. 1 Block diagram

LVDS

pair #1

LVDS

pair #2

CN1

+5V

VLCD

Power circuit

block

Timing

controller

VLED 2ch

RGB

Source driver circuit

TFT-LCD Panel

(1920ÝRGBÝ1080 pixels)

G1080

B/L System (W-LEDs)

S1920

General features

Active screen size 21.53 inches (546.86mm) diagonal Outline Dimension 495.6(H) x 292.2(V) x 10.2(D) mm(Typ.) Pixel Pitch 0.08275*RGB(H)mm x 0.248(V)mm Pixel Format 1920 horizontal By 1080 vertical Pixels. RGB stripe arrangement

Interface LVDS 2Port

Color depth 16.7M colors

Luminance, white 250 cd/m2 ( Center 1Point, typ)

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

Power Consumption

Total 16.21 W(Typ.), (4.95 W@V

, 11.26 W@ILED = 110mA)

LCD

Weight 1,350g (Typ.) Display operating mode Transmissive mode, normally White Surface treatments

Ver. 1.0 Feb. 28. 2011

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

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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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LM215WF4

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

050

-20 60

¶C ¶C

10 90 %RH 10 90 %RH

Note : 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.

Note : 2. Storage condition is guaranteed under packing condition.

FIG. 2 Temperature and relative humidity

90%

60%

Wet Bulb Temperature [୅]

40%

10%

Humidity

[(%)RH]

Storage

Operation

At 25୅

1, 2

10 20 30 40 50 60 70 800-20

Dry Bulb Temperature [୅]

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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 LED Backlight, is typically generated by an LED Driver. The LED driver is an external unit to the LCDs.

Table 2. Electrical characteristics

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LM215WF4

Liquid Crystal Display

Product Specification

Parameter Symbol

Values

Unit Notes

Min Typ Max

MODULE :

Power Supply Input Voltage V Permissive Power Input Ripple V

LCD-MOSAIC

Power Supply Input Current

LCD-BLACK

LCD-L80

Power Consumption P

Inrush current I

LCD

RUSH

4.5 5.0 5.5 Vdc

- - 400 mV

p-p

- 990 1290 mA 1

- 1320 1715 mA 2

- 930 1210 mA 2

- 4.95 6.45 Watt 1

--3.5 A 4

Note :

1. The specified current and power consumption are under the V

LCD=5.0V, 25  2¶C,f

whereas mosaic pattern(8 x 6) is displayed and f

=60Hz condition

is the frame frequency.

2. The current is specified at the maximum current pattern and L80.

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

power input ripple

White : 255Gray Black : 0Gray

Mosaic Pattern(8 x 6)

Ver. 1.0 Feb. 28. 2011

Full Black Pattern

Energy star 5.0

White : 255Gray (64%) Black : 0Gray (36%)

L80 Pattern

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Product Specification

Table 3. LED array ELECTRICAL CHARACTERISTICS

LM215WF4

Liquid Crystal Display

Parameter Symbol Condition

LED : 1

LED String Current Is - 110 120 mA 2

LED String Voltage Vs 46.4 51.2 56 V 3

Power

Parray - 11.26 12.32 Watt 4,6

Min. Typ. Max.

Values

Unit Notes

Consumption

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.

Notes :

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 voltage at typical 110mA 100% duty current.

4. The specified power consumption is input LED bar power consumption

at typical 110mA 100% duty current.

5. The life time 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 string current is the LED typical current.

Typ Power Consumption is calculated with PBar = Vs(Typ.) x Is(Typ.) x Nstring Max Power Consumption is calculated with PBar = Vs(Max.) x Is(Typ) x Nstring

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3-2. Interface connections

3-2-1. LCD Module

LCD connector(CN1) : GT103-30S-HF15-E2500 (LSM) , 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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LM215WF4

Liquid Crystal Display

Product Specification

Pin No

1 2 3 4 5

7 8 9

12 13 14 15 16 17 18 19

21 22 23 24

26 27 28 29 30

Symbol Description

RXO0RXO0+ RXO1RXO1+ RXO2-

RXO2+

GND RXOCRXOC+ RXO3-

RXO3+

RXE0RXE0+ GND RXE1RXE1+ GND RXE2RXE2+

RXEC-

RXEC+ RXE3RXE3+ GND

PWM_OUT

VLCD VLCD VLCD

Minus signal of 1st channel 0 (LVDS) Plus signal of 1st channel 0 (LVDS) Minus signal of 1st channel 1 (LVDS) Plus signal of 1st channel 1 (LVDS) Minus signal of 1st channel 2 (LVDS) Plus signal of 1st channel 2 (LVDS)

Ground (AGP)

Minus signal of 1st clock channel (LVDS) Plus signal of 1st clock channel (LVDS) Minus signal of 1st channel 3 (LVDS) Plus signal of 1st channel 3 (LVDS)

Minus signal of 2nd channel 0 (LVDS)

Plus signal of 2nd channel 0 (LVDS) Ground Minus signal of 2nd channel 1 (LVDS) Plus signal of 2nd channel 1 (LVDS) Ground Minus signal of 2nd channel 2 (LVDS) Plus signal of 2nd channel 2 (LVDS) Minus signal of 2nd clock channel (LVDS)

Plus signal of 2nd clock channel (LVDS)

Minus signal of 2nd channel 3 (LVDS) Plus signal of 2nd channel 3 (LVDS) Ground No Connection (For LCD internal use only.)

No Connection (For LCD internal use only.)

Reference signal for LED Driver control Power Supply (5.0V) Power Supply (5.0V) Power Supply (5.0V)

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FIG. 4 Connector diagram

1’st signal pairs

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Product Specification

GT103-30S-HF15-E2500 (LSM)

#1 #30

2’nd signal pairs

#30

LM215WF4

Liquid Crystal Display

Note:

Power(+5V)

PWM_OUT

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

(power input) pins should be connected together.

LCD

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

5. PWM_OUT is a reference signal for LED Driver control. This PWM signal is synchronized with vertical frequency. Its frequency is 6 times of vertical frequency, and its duty ratio is 50%. If the system don’t use this pin, do not connect.

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3-2-2. LED Interface

The LED interface connector is a model 10019HR-H06B manufactured by Yeonho Electronics.

The mating connector should be used a FFC/FPC specified in LED interface connector specification. The pin configuration for the connector is shown in the table below.

Table 5. LED connector pin configuration

Pin Symbol Description Notes

1 FB1 Channel1 Current Feedback

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LM215WF4

Liquid Crystal Display

Product Specification

2 NC No connection

3 VLED LED Power Supply

4 VLED LED Power Supply

5 NC No connection

6 FB2 Channel2 Current Feedback

FIG. 5 Backlight connector view

LED

Back View

PCB

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3-3. LVDS characteristics

3-3-1. DC Specification

LVDS -

LVDS +

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LM215WF4

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

Description Symbol Min Max Unit Notes

LVDS Clock to Data Skew Margin

LVDS Clock to Clock Skew Margin (Even to Odd)

| 200 600 mV -

SKEW (Fclk

= 1/T

1) 85MHz > Fclk ˻65 MHz : - 400 ~ +400

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

SKEW

SKEW_EO

0.6 1.8 V -

0.3 2.1 V -

clk

)

- 300 + 300 ps

- 400 + 400 ps

- 600 + 600 ps

-1/7 + 1/7 T

IN_MAXVIN_MIN

clk

Fclk ≥ 85MHz

85MHz > Fclk ≥ 65MHz

65MHz > Fclk ≥ 25MHz

Maximum deviation

of input clock frequency during SSC

Maximum modulation frequency of input clock during SSC

DEV

MOD

· 3

- 200 KHz

Note 1 :

This SSC specifications are just T-CON operation specification. In case of various system

condition, the optimum setting value of SSC can be different. LGD recommend the SI

should be adjust the SSC deviation and modulation frequency in order not to happen any kinds of defect phenomenon.

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3-3-3. LVDS Data format

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LM215WF4

Liquid Crystal Display

Product Specification

Tclk

RCLK +

RXinO0 +/-

RXinO1 +/-

RXinO2 +/-

RXinO3 +/-

RXinE0 +/-

RXinE1 +/-

RXinE2 +/-

RXinE3 +/-

OR3 OR2 OR1 OR0

OG4 OG3 OG2 OG1

OB5 OB4 OB3 OB2

OG7 OG6 OR7 OR6

ER3 ER2 ER1 ER0

EG4 EG3 EG2 EG1

EB5 EB4 EB3 EB2

EG7 EG6 ER7 ER6

Tclk * 4/7 Tclk * 3/7

Tclk * 1/7

OG0 OR5 OR4 OR3 OR2 OR1 OR0

OB1 OB0 OG5 OG4 OG3 OG2 OG1

VSYNC HSYNC

X OB7 OB6 OG7 OG6 OR7 OR6

EG0 ER5 ER4 ER3 ER2 ER1 ER0

EB1 EB0 EG5 EG4 EG3 EG2 EG1

VSYNC HSYNC

X EB7 EB6 EG7 EG6 ER7 ER6

OB5 OB4 OB3 OB2

EB5 EB4 EB3 EB2

Current (N th) CyclePrevious (N-1) t h C yc l e Next(N+1)

< LVDS Data Format >

OG0 OR5 OR4

OB1 OB0 OG5

VSYNC HSYNC

X OB7 OB6

EG0 ER5 ER4

EB1 EB0 EG5

VSYNC HSYNC

X EB7 EB6

th Cycle

MSB R7

R6 R5 R4 R3 R2 R1 R0LSB

* ODD = 1st Pixel

EVEN = 2nd Pixel

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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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LM215WF4

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 3TxOUT3ు

10 TTL Input (G7)D11 38 Negative LVDS differential data output 3TxOUT3ృ

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

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

13 Ground pin for TTLGND 41 Positive LVDS differential data output 2TXOUT2ు

14 TTL Input (G5)D14 42 Negative LVDS differential data output 2TXOUT2ృ

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 1TXOUT1ు

46 Negative LVDS differential data output 1TXOUT1ృ18 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

47 Positive LVDS differential data output 0TXOUT0ు

48 Negative LVDS differential data output 0TXOUT0ృ

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

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

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LM215WF4

Liquid Crystal Display

Product Specification

Parameter

CLK

Horizontal

Vertical

(Data Enable)

Data

Period

Frequency

Horizontal Valid

H Period Total

Hsync Frequency

Vertical Valid t V Period Total t Vsync Frequency DE Setup Time t DE Hold Time

Data Setup Time

Data Hold Time

Symbol Min. Typ. Max. Unit Notes

CLK

11.43 13.89 17.41 ns

57.4 72 87.5 MHz

960 960 960

CLK

1008 1088 1160

52.8 66.2 83.6 kHz

1080 1080 1080

1090 1100 1160

48 60 76 Hz

4--

ns For D

4--

ns For D

4--

Pixel frequency : Typ.144MHz

CLK

Note:

1. 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

LM215WF4

Liquid Crystal Display

Invalid

2. Horizontal waveform

DE(Data Enable)

3. Vertical waveform

DE(Data Enable)

tHV

tVV

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 G7G6 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

LM215WF4

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

V Power Supply For LCD

Interface Signal (Tx)

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Product Specification

90% 90%

10%

T2 T5 T7

Valid data

LM215WF4

Liquid Crystal Display

10%

Power for LAMP

Table 9. Power sequence

Parameter

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

OFF

Min Typ Max

LED on

Values

OFF

Units

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

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LM215WF4

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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LM215WF4

Liquid Crystal Display

Product Specification

Table 10. Optical characteristics

Parameter Symbol

Contrast Ratio CR 700 1000 -

Surface Luminance, white L

Surface Luminance, Black L

Luminance Variation 

Response Time

Rise Time Tr Decay Time Tr

WHITE

Ta= 25¶C, V

Min Typ Max

=5.0V, fV=60Hz f

LCD

Values

=72.0MHz, Is=110mA

CLK

Units Notes

200 250 - cd/m

--0.6cd/m

9P 75 - - %

-1.32.6ms

-3.77.4ms

(PR-880)

(RD-80S)

Color Gamut - 72 - % (PR-650)

0.637

Typ

+0.03

(PR-650)

Color Coordinates [CIE1931]

RED

GREEN

BLUE

WHITE

Ry 0.330 Gx 0.310 Gy 0.625

Bx 0.153

Typ

-0.03

By 0.067

Wx 0.313 Wy 0.329

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 %

Luminance uniformity -

Angular dependence

LR - - 1.73

(TCO 5.0)

Color grayscale linearity Δu’v’ 0.018

(PR-880)

(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

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LM215WF4

Liquid Crystal Display

Product Specification

Optical

LCD Module

Stage(x,y)

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

V/2

V/10

Active Area

H/2

H/10

H/2

H : 476.64 mm

V/2

V : 268.11 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 (measurement equipment : RD-80S)

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

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LM215WF4

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. Crosstalk is defined as

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LM215WF4

Liquid Crystal Display

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The equation of crosstalk : (L

A[or C]2-LA[or C]1

(L

B[or D]2-LB[or D]1

For more information see Figure 11.

FIG. 11 Crosstalk measuring point

Pattern 1

(Half gray: gray 127)

A/2

A/8

/L

(Background: gray 127, Rectangular: gray 0, gray255 )

) 100(%) [Vertical],

A[or C]1

) 100(%) [Horizontal]

B[or D]1

Pattern 2

A/4 A/2 A/4

B/8

B/4

B/2

B/4

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Product Specification

Notes :

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

TCO 5.0 Luminance uniformity – angular dependence, is the capacity of the VDU to present the same Luminance level independently of the viewing direction. The angular-dependent luminance uniformity is calculated 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 = 82.03༃

- Test method : L

= ((L

max.+30deg.

max.+15deg.

/ L

min. +30deg.

/ L

min. +15deg.

) + (L

)

max. -30deg.

/ L

min. -30deg.

LM215WF4

Liquid Crystal Display

)) / 2

FIG. 12 Luminance Uniformity angular dependence

< Luminance uniformity - angular dependence measuring point >

H/10

V/2

H/2

V/10

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Product Specification

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’ .

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)''()''(

BABA

vvuu  

LM215WF4

Liquid Crystal Display

-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.

-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. 13 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 11. Mechanical characteristics

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Horizontal 495.6 mm

Outline dimension

Bezel area

Active display area

Weight 1,350g (Typ.), 1,420g (Max)

Surface treatment

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

Vertical 292.2 mm

Depth 10.2 mm

Horizontal 479.8 mm

Vertical 271.3 mm

Horizontal 476.64 mm

Vertical 268.11 mm

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

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Product Specification

Preliminary

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Product Specification

Preliminary

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6. Reliability

Table 12. Environment test conditions

No Test Item Condition

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High temperature storage test1

Low temperature storage test2 High temperature operation test3 Low temperature operation test4

{ 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.

Vibration test (non-operating)

Shock test (non-operating)

Altitude

operating

storage / shipment

Ta= 60¶C 240hrs

Ta= -20¶C 240hrs Ta= 50¶C 50%RH 240hrs Ta= 0¶C 240hrs Wave form : random

Vibration level : 1.0GRMS Bandwidth : 10-300Hz Duration : X,Y,Z, 20 min

One time each direction

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

One time each direction

0 - 16,400 feet(5,000m)

0 - 40,000 feet(12,192m)

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7. International Standards

7-1. Safety

a) UL 60950-1, Second Edition, Underwriters Laboratories Inc.

Information Technology Equipment - Safety - Part 1 : General Requirements.

b) CAN/CSA C22.2 No.60950-1-07, Second Edition, Canadian Standards Association.

Information Technology Equipment - Safety - Part 1 : General Requirements.

c) EN 60950-1:2006 + A11:2009, European Committee for Electrotechnical Standardization

(CENELEC).

Information Technology Equipment - Safety - Part 1 : General Requirements.

d) IEC 60950-1:2005, Second Edition, The International Electrotechnical Commission (IEC).

Information Technology Equipment - Safety - Part 1 : General Requirements. (Including report of IEC60825-1:2001 clause 8 and clause 9)

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LM215WF4

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Product Specification

Notes

1. Laser (LED Backlight) Information

Class 1M LED Product

IEC60825-1 : 2001

Embedded LED Power (Class1M)

2. Caution

: LED inside.

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

7-2. EMC

a) ANSI C63.4 “American National Standard for Methods of Measurement of Radio-Noise

Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz.” American National Standards Institute (ANSI), 2003.

b) CISPR 22 “Information technology equipment – Radio disturbance characteristics –

Limit and methods of measurement." International Special Committee on Radio Interference (CISPR), 2005.

c) CISPR 13 “Sound and television broadcast receivers and associated equipment

– Radio disturbance characteristics – Limits and method of measurement." International Special Committee on Radio Interference (CISPR), 2006.

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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LM215WF4

Liquid Crystal Display

Product Specification

Note:

1. Year

Year

Mark

2016G2017H2018J2019

CBA

2014E2015

201320122011

2020

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 : 12 pcs

b) Box size : 365mm X 315mm X 578mm

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 left 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 higher.)

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 LM215WF4-TLE7 Specification

Specifications and Main Features

Frequently Asked Questions

User Manual