LMT150DNGFWD-NNC-4

LMT150DNGFWD-NNC-4

LCD Module User Manual

Prepared by:

Checked by:

Approved by:

BiChangLiu

Date: 2024-05-07

Date:

Rev.

Descriptions

Edit

Release Date

0.1

Preliminary release

BiChangLiu 2024-05-07

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Table of Content

1. General Specification ....................................................................................................................3

2. Block Diagram................................................................................................................................3

3. Terminal Function ..........................................................................................................................4

3.1 CN1 TFT Input Terminal.................................................................................................................................................4

3.2 CN2 Backlight Terminal..................................................................................................................................................4

3.3 CN5 Capacitive Touch Panel Terminal...........................................................................................................................4

4. Absolute Maximum Ratings......................................................................................................... 5

5. Electrical Characteristics ..............................................................................................................5

5.1 DC Characteristics..........................................................................................................................................................5

5.2 Driving For Backlight.......................................................................................................................................................6

5.3 Capacitive Touch Panel DC Characteristics..................................................................................................................6

5.4 Block Diagram................................................................................................................................................................ 7

6. Display colors and input data information................................................................................. 8

6.1 Display colors and input data signal............................................................................................................................... 8

6.2 Data mapping................................................................................................................................................................. 9

7. AC Characteristics.......................................................................................................................10

7.1 TFT Timing Characteristics.........................................................................................................................................10

7.2 Pixel data dlignment of display lmage.......................................................................................................................... 11

7.3 Power supply voltage sequence...................................................................................................................................11

7.4 USB Interface Timing Characteristics(CTP)................................................................................................................ 12

8. Physical Characteristics .............................................................................................................13

8.1 Optical Characteristics..................................................................................................................................................13

9. LCD Module Design and Handling Precautions.......................................................................14

10. CTP Mounting Instructions .......................................................................................................16

Warranty............................................................................................................................................16

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1. General Specification

TFT Interface :

24bit LVDS (VESA) or 18bit LVDS

CTP Interface:

Micro USB

Display Technology :

a-Si TFT active matrix

Display Mode :

Transmissive / Normal White

Screen Size(Diagonal) :

15”

Outline Dimension :

342.0x 266.0 x 21.4 (mm)

(see attached drawing for details)

Active Area :

304.13 x 228.1 (mm)

Number of dots :

1024 x 3 (RGB) x 768

Pixel Pitch :

0.297 x 0.297 (mm)

Pixel Configuration :

RGB Vertical Stripe

Backlight :

LED

Viewing Direction :

6 o’clock(Gray scale Inversion) (*1)

12 o’clock (*2)

Operating Temperature :

-20 ~ +70°C

Storage Temperature :

-30 ~ +80°C

Touch points:

10 Points Touch

Surface Treatment:

Note:

*1. For saturated color display content (eg. pure-red, pure-green, pure-blue or pure-colors-combinations).

*2. For “color scales” display content.

*3. Color tone may slightly change by temperature and driving condition.

2. Block Diagram

D+,D-

CTP Controller

Capacitive Touch Panel

GND

VDD,GND

Backlight Circuit

PWM,BRTC

1024(x3)x768 pixels

TFT Panel

VCC

GND

Source Driver

, D0+,D0-,D1+,D1-

, D2+,D2-,D3+,D3-

LVDS interface

, CLK+,CLK-

, REV,SEL6/8

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3. Terminal Function

3.1 CN1 TFT Input Terminal

Pin No. Pin Name

I/O

Descriptions

Input data signal: 8bit

Input data signal:6bit

VCC

Power

Power Supply(3.3V)

GND

Power

Ground(0V)

Selection of scan direction

REV

Input

High: Reverse scan

Low or Open: Normal scan

D0-

Input

LVDS receiver negative signal channel 0

D0+

Input

LVDS receiver positive signal channel 0

GND

Power

Ground(0V)

D1-

Input

LVDS receiver negative signal channel 1

D1+

Input

LVDS receiver positive signal channel 1

GND

Power

Ground(0V)

D2-

Input

LVDS receiver negative signal channel 2

D2+

Input

LVDS receiver positive signal channel 2

GND

Power

Ground(0V)

CLK-

Input

LVDS receiver negative signal clock

CLK+

Input

LVDS receiver positive signal clock

GND

Power

Ground(0V)

D3-

Input

LVDS receiver negative

signal channel 3

D3+

Input

LVDS receiver positive signal Ground(0V)

channel 3

No connection

SEL6/8

Input

Low

High or Open

Note: Terminal header 185083-20121 ( P-TWO ELECTRIC TECHNOLOGY CO., LTD.) or equivalent

3.2 CN2 Backlight Terminal

Pin No Pin Name

I/O

Descriptions

No connection

PWM Luminance control

PWM

Input

Hi:100%Drive

Lo:0% Drive

BRTC

Input

Backlight ON/OFF control:5V-On/0v-Off

GND

Power

Ground(0V)

VDD

Power

Backlight Power Supply(12V)

Note: Terminal header MSB24038P5 (Produced by STM) or equivalent

3.3 CN5 Capacitive Touch Panel Terminal

Pin No Pin Name

I/O

Descriptions

Power

USB Power Supply(5V)

D-

I/O

USB D- signal

D+

I/O

USB D+ signal

GND

Power

Ground(0V)

GND

Power

Ground(0V)

Note: Terminal header Micro USB

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4. Absolute Maximum Ratings

GND=0V

Items

Symbol

Min.

Max.

Unit

Condition

Power voltage

VCC

-0.5

5.0

Ta=25 ℃

Input voltage

V IN

-0.5

5.0

Operating Temperature

T OP

-20

℃

Note1

Storage Temperature

T ST

-30

℃

Relative Humidity(*2)

≤ 90

Ta ≤ 40 ℃

≤ 85

40 ℃＜ Ta ≤ 50 ℃

≤ 55

50 ℃＜ Ta ≤ 60 ℃

≤ 36

60 ℃＜ Ta ≤ 70 ℃

≤ 24

70 ℃＜ Ta ≤ 80 ℃

Absolute Humidity

≤ 70

g/m ³

Ta ＞ 50 ℃

Note::

*1. The temperature of panel display surface area should be -20 ° C Min and 70 ° C Max.

*2: a).Ta means the ambient temperature.

b).It is necessary to limit the relative humidity to the specified temperature range.

c).Condensation on the module is not allowed.

d).Wet-bulb temperature should be39 ° C Max. (Ta> 40 ° C)

e).90%RH Max. (Ta ≤ 40 ° C)

*3. Any Stresses exceeding the Absolute Maximum Ratings may cause substantial damage to the device.

Functional operation of this device at other conditions beyond those listed in the specification is not implied

and prolonged exposure to extreme conditions may affect device reliability.

5. Electrical Characteristics

5.1

DC Characteristics

VCC= 3.3V,GND= 0V, Ta=25 ℃

Items

Symbol Min.

Typ. Max.

Unit

Remark

Power supply voltage

VCC

3.0

3.3

3.6

Power supply ripple

Vp-p

200

mA Including

spike noise

Power supply current

ICC

550

mA *1

Permissible ripple voltage

VRP

100

Differential input voltage

I Vid I

250

450

Differential input

High

VTH

100

mV VCM = 1.25V

threshold voltage for

LVDS receiver

Low

VTL

-100

Input voltage width for LVDS Vi

1.90

receiver

Terminating resistor

100

Rush current

Irush

1.5

Input voltage for

High

VFH

0.7VCC --

VCC

MSL signals

Low

VFL

0.3VCC

Note:

*1: Black mode,65MHZ,at VCC=3.3V.

*2: Common mode voltage for LVDS receiver.

*3: Measurement Conditions.

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5.2 Driving For Backlight

Items

Symbol

Min.

Typ.

Max.

Unit

Remark

Power supply voltage

VDD

10.8

12.0

12.6

Power supply current

IDD

750

High

VDFH1

2.0

5.0

PWM signal

Low

VDFL1

0.4

High

VDFH2

2.0

5.0

BRTC signal

Low

VDFL2

0.4

PWM frequency

fpwm

200

20K

BLADJ

PWM duty

100

BLADJ

Light bar life time

50000 -

Hour

Note:

*1:Optical performance shoule be evaluated at Ta=25 ℃

5.3 Capacitive Touch Panel DC Characteristics

T a =25 ℃

Items

Symbol MIN.

TYP.

MAX.

Unit

Note

Operating Voltage

4.5

5.0

5.5

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5.4 Block Diagram

Note1: Relations between GND (Signal ground and LED driver ground) and FG (Frame ground)

In the LCD module are as follows:

GND-FG

Connected

Note2: GND and FG must be connected to customer equipment’s ground, and it is

recommended that

these grounds be connected together in customer equipment.

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6. Display colors and input data information

6.1 Display colors and input data signal

This product can display in equivalent to 16,777,216 colors in 256 scales. Also the relation

between display colors and input data signals is as the following table. And it can display in

equivalent to 262,144 colors in 64 scales, without data signals R7, R6, G7, G6, B7, B6 in the

following table.

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6.2 Data mapping

(1) LVDS Input data signal: 24bit(VESA mode)

(2) LVDS Input data signal: 18bit

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7. AC Characteristics

7.1 TFT Timing Characteristics

Parameter

Symbol

MIN

TYP

MAX

Unit

Remarks

1/tc

56.88 71

MHz

Clock

Frequency

17.58ns

19.23 17.58 14.08 ns

(typ.)

Horizontal Cycle

1114

1200

1400

CLK

signals

Display period

thd

1024

Vertical

Cycle

778

790

845

60.0Hz(typ.)

signals

Display period

tvd

768

Note: For the details of the timing, please see the Driver IC data sheet

7.1.1 Input sihnal timing chart

Horizontal timing

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7.2 Pixel data dlignment of display lmage

The following chart is the coordinates of per pixel

Note:

*1.Pixel arrangement is RGB strip when module’s PCB side placed upward.It is suggested that

Module’s PCB side should place downward to compatible with RGB pixel arranging modules.

7.3 Power supply voltage sequence

The sequence of backlight and power

Timing Specifications:

t1 :0.5ms<t1 <10ms;

t2 :0.5 ms<t2 <50ms;

t3 :0ms<t3 <50ms;

t4 :t4 >1000ms;

t5 :t5 >200ms;

t6 :t6 >200ms

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7.4 USB Interface Timing Characteristics(CTP)

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8. Physical Characteristics

8.1 Optical Characteristics

VDD=12V,VCC=3.3V,GND=0V,Ta=25 ℃

Item

Symbol

Condition

Min

Typ.

Max

Unit

Remark

θL

9 o’clock

View Angles

θR

3 o’clock

Degree

(CR ≧ 10)

θT

12o’clock

θB

6 o’clock

Response Time

T ON

msec

T OFF

Contrast Ratio

Normal

600

800

θ= 0 °

0.263

0.313

0.363

White

0.279

0.329

0.379

0.582

0.632

0.682

Chromaticity

Red

0.305

0.355

0.405

0.294

0.344

0.394

Green

0.558

0.608

0.658

0.107

0.157

0.207

Blue

0.037

0.087

0.137

Luminance

400

cd/ ㎡

Luminance uniformity

Note:

*1. Definition of Contrast Ratio

The contrast ratio could be calculate by the following expression:

Contrast Ratio (CR) = Luminanc with all pixels white / Luminance with all pixels black

*2. Definition of Viewing Angle

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*3 Definition of response time*

*4 Definition of Luminance Uniformity

Luminance uniformity (Lu)=

Min. Luminance form pt1~pt9 / Max Luminance form Pt1~pt9

9. LCD Module Design and Handling 9. 液晶显示模块设计和使用须知

Precautions

- Please ensure V0, VCOM is adjustable, to enable LCD - 请注意 V0, VCOM 的设定, 以确保液晶显示模块在不同

module get the best contrast ratio under different

的使用温度下以及在不同的视角和位置观察模块显

temperatures, view angles and positions.

示，均能达到最佳对比度，请务必将应用电路上设置

为对比度可调。

- Normally display quality should be judged under the best - 请注意液晶显示模块的显示品质判定是指在正常对比

contrast ratio within viewable area. Unexpected display

度下以及视窗(V.A)范围内进行的，非正常对比度下液

pattern may come out under abnormal contrast ratio.

晶可能会出现非预期的显示不良，应注意区分。

- Never operate the LCD module exceed the absolute - 请勿在最大额定值以外使用液晶显示模块。

maximum ratings.

- Never apply signal to the LCD module without power - 请勿在没有接通电源的条件下，给液晶显示模块输送

supply.

信号。

- Keep signal line as short as possible to reduce external

noise interference.

- 请尽可能缩短信号线的连接，以避免对液晶显示模块

- IC chip (e.g. TAB or COG) is sensitive to light. Strong

的信号干扰。

light might cause malfunction. Light sealing structure - 集成电路因 IC 芯片(如 TAB 或 COG)对紫外线极为敏

casing is recommended.

感，强光环境下可能会引起液晶显示模块功能失效，

故应采用不透光的外壳。

- Make sure there is enough space (with cushion) - 请在液晶显示模块与外壳之间保留足够的空间(可使用

between case and LCD panel, to prevent external force

衬垫)，以缓冲外力对液晶显示模块的损坏或因受力不

passed on to the panel; otherwise that may cause

均而产生的显示不匀等异常现象。

damage to the LCD and degrade its display result.

- Avoid showing a display pattern on screen for a long - 避免液晶显示屏在某一画面下长时间点亮，否则有出

time (continuous ON segment).

现残影的风险；请通过软件每隔一段时间改变一次画

面。

- LCD module reliability may be reduced by temperature

shock.

- 液晶显示模块的可靠性可能因温度冲击而降低。

- When storing and operating LCD module, avoids - 请勿在阳光直射、高湿、高温或低温下储存和使用液

exposure to direct sunlight, high humidity, high or low

晶显示模块，这将造成液晶显示模块的损坏或失效。

temperature. They may damage or degrade the LCD

module.

- 请勿在极限环境(最大/最小存储/工作温度)下使用或

- Never leave LCD module in extreme condition (max./min

放置液晶显示模块超过 48 小时以上。

storage/operate temperature) for more than 48hr.

- Recommend LCD module storage conditions is

0 C~40 C <80%RH.

- 液晶显示模块建议存储条件为: 0 C~40 C <80%RH 。

- LCD module should be stored in the room without acid, - 请勿让液晶显示模块存储于带有酸性, 碱性, 有害气

alkali and harmful gas.

体环境之中。

- Avoid dropping & violent shocking during transportation, - 在运输过程中, 请勿让液晶显示模块跌落与猛烈震动,

and no excessive pressure press, moisture and sunlight.

同时避免异常挤压, 高湿度, 与阳光照射.

- LCD module can be easily damaged by static electricity. - 液晶显示模块极易受静电损坏，请务必保证液晶显示

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Please maintain an optimum anti-static working

模块在防静电的工作环境中使用或保存。(如: 烙铁正

environment to protect the LCD module. (eg. ground the

确接地,等)

soldering irons properly)

- 拿取液晶显示模块时需注意操作人员的接地情况。

- Be sure to ground the body when handling LCD module. - 请手持液晶显示模块的边沿取放模块，防止热压纸或

- Only hold LCD module by its sides. Never hold LCD

TAB 部位受力。

module by applying force on the heat seal or TAB.

- 焊接液晶模块时，请注意控制烙铁的温度、焊接时

- When soldering, control the temperature and duration

间，以免烫坏导光板或偏光片，导致显示不匀等不良

avoid damaging the backlight guide or diffuser which

现象发生。

might degrade the display result such as uneven display.

- Never let LCD module contact with corrosive liquids, - 请勿使用洗板水等腐蚀性液体接触液晶模块，以免腐

which might cause damage to the backlight guide or the

蚀导光板或模块电路。

electric circuit of LCD module.

- Only clean LCD with a soft dry cloth, Isopropyl Alcohol - 仅可使用柔软的干布, 异丙醇或乙醇清洁液晶屏表

or Ethyl Alcohol. Other solvents (e.g. water) may

面，其他任何溶剂(如:水)都有可能损坏液晶模块。

damage the LCD.

- 请勿挤压液晶显示模块上的元器件，以避免产生潜在

- Never add force to components of LCD module. It may

的损坏或失效而影响产品可靠性。

cause invisible damage or degrade the module's - 装配液晶显示模块时，请务必注意避免液晶显示模块

reliability.

的扭曲或变形。

- When mounting LCD module, please make sure it is free - 请勿挤压液晶显示屏表面，这将导致显示颜色的异

from twisting, warping and bending.

常。

- Do not add excessive force on surface of LCD, which - 液晶屏由玻璃制作而成，任何机械碰撞(如从高处跌

may cause the display color change abnormally.

落)均有可能损坏液晶显示模块。

- LCD panel is made with glass. Any mechanical shock

(e.g. dropping from high place) will damage the LCD

module.

- Protective film is attached on LCD screen. Be careful - 液晶屏表面带有保护膜, 揭除保护膜时需要注意可能

when peeling off this protective film, since static

产生的静电。

electricity may be generated.

- 因液晶显示屏表面的偏光片极易划伤，安装完成之前

- Polarizer on LCD gets scratched easily. If possible, do

请尽量不要揭下保护膜。

not remove LCD protective film until the last step of - 请缓慢揭除保护膜，在此过程中液晶显示屏上可能会

installation.

产生静电线，此为正常情况，可在短时间内消失。

- When peeling off protective film from LCD, static charge

may cause abnormal display pattern. The symptom is - 请注意避免被液晶显示屏的边缘割伤。

normal, and it will turn back to normal in a short while.

- 请不要试图拆卸或改造液晶显示模块。

- LCD panel has sharp edges, please handle with care.

- 当液晶显示屏出现破裂, 内部液晶液体可能流出; 相

- Never attempt to disassemble or rework LCD module.

关液体不可吞吃, 绝对不可接触嘴巴, 如接触到皮肤

- If display panel is damaged and liquid crystal substance

或衣服, 请使用肥皂与清水彻底清洗.

leaks out, be sure not to get any in your mouth, if the

substance comes into contact with your skin or clothes

promptly wash it off using soap and water.

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10. CTP Mounting Instructions

10. 电容触摸屏安装指导

10.1 嵌入安装（附图 1）

10.1 Surface Mounting (Figure 1)

- 客户面框应具有使用双面胶粘贴 CTP 的结构沉台面，

- As the CTP assembling on the countersink area with double side

其粘贴面要求平整且洁净无污以保证粘贴牢靠.

adhesive.

The countersink area should be flat and clean to ensure the double

side adhesive installation result.

- 考虑到制作误差，建议面框与 CTP 盖板之间四周留有

- The Bezel is recommend to keep a gap ( ≥ 0.3mm each side) around

≥0.3mm 间隙.

the cover lens for tolerance.

- 建议必要时在背面提供垫有胶垫附加支架(例如无安装

- It is recommended to provide an additional support bracket with

结构的 TFT 模块)，应仅利用适当支撑以保持模块位

gasket for backside support when necessary (e.g. TFT module

置.

without mounding structure). They should only provide appropriate

support and keep the module in place.

- 安装结构应具有足够的强度，以防止外部不均匀力或

- The mounting structure should be strong enough to prevent external

扭曲力作用到模块上。

uneven force or twist act onto the module

Figure 1

Warranty

This product has been manufactured to our company’s specifications as a part for use in your company’s general

electronic products. It is guaranteed to perform according to delivery specifications. For any other use apart from

general electronic equipment, we cannot take responsibility if the product is used in medical devices, nuclear power

control equipment, aerospace equipment, fire and security systems, or any other applications in which there is a direct

risk to human life and where extremely high levels of reliability are required. If the product is to be used in any of the

above applications, we will need to enter into a separate product liability agreement.

- We cannot accept responsibility for any defect, which may arise form additional manufacturing of the product

(including disassembly and reassembly), after product delivery.

- We cannot accept responsibility for any defect, which may arise after the application of strong external force to the

product.

- We cannot accept responsibility for any defect, which may arise due to the application of static electricity after the

product has passed our company’s acceptance inspection procedures.

- When the product is in CCFL models, CCFL service life and brightness will vary according to the performance of the

inverter used, leaks, etc. We cannot accept responsibility for product performance, reliability, or defect, which may

arise.

- We cannot accept responsibility for intellectual property of a third part, which may arise through the application of

our product to our assembly with exception to those issues relating directly to the structure or method of

manufacturing of our product.

URL: www.topwaydisplay.com

Document Name: LMT150DNGFWD-NNC-4-Manual-Rev0.1.doc

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