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LMT068DNNFWU-NEA
LCD Module User Manual
Prepared by:
Checked by:
Approved by:
Linli
Date: 2017-06-21
Date:
Date:
Rev. Descriptions
Release Date
0.1
Preliminary release
2017-06-21
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Table of Content
1. General Specification ............................................................................................................ 3
2. Block Diagram ........................................................................................................................ 3
3. Terminal Function .................................................................................................................. 4
3.1
K1 LVDS Terminal ................................................................................................................................................. 4
3.2
K2 BackLight Connector ....................................................................................................................................... 4
3.3
K3 Host Interface Terminal .................................................................................................................................... 4
4. Absolute Maximum Ratings .................................................................................................. 5
5. Electrical Characteristics ...................................................................................................... 5
5.1
DC Characteristics ................................................................................................................................................ 5
5.2
LED Backlight Circuit Characteristics ..................................................................................................................... 5
6. AC Characteristics ................................................................................................................. 6
6.1
LVDS Timing Characteristic ................................................................................................................................... 6
6.2
Power ON/OFF Sequence ..................................................................................................................................... 7
7. Optical Characteristics .......................................................................................................... 7
8. LCD Module Design and Handling Precautions ................................................................. 10
9. CTP Mounting Instructions ................................................................................................. 11
10. RTP Mounting Instructions ................................................................................................. 12
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1. General Specification
Signal Interface :
LVDS ( 18bit )
Display Technology :
a-Si
Display Mode :
Transmissive / Normal White
Screen Size(Diagonal) :
6.8”
Outline Dimension :
195.0 x 69.6x 17.1 (mm)
(see attached drawing for details)
Active Area :
163.92 x 55.44 (mm)
Number of dots :
1366 x3(RGB)x 480
Pixel Pitch :
0.12mm(H) x 0.1155mm(V)
Pixel Configuration :
RGB Stripe
Backlight :
White LED
Surface Treatment :
Glare Treatment
Viewing Direction :
6 o’clock( Gray scale Inversion ) (*1)
12 o’clock (*2)
Operating Temperature :
-20 ~ +70°C
Storage Temperature :
-30 ~ +80°C
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
BL_VDD, GND
BL_EN, BL_ADJ
Backlight
USB_D-
Touch
Touch Panel
USB_D+
Panel
Controler
1366(x3)x 480 pixels
Source Driver
RX0+,RX0-,RX1+,RX1-
RX2+, RX2-
LVDS interface
Power Circuit
RXC+, RXC-
VCC_IN, GND
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3. Terminal Function
3.1 K1 LVDS Terminal
Pin No. Pin Name
IO
Descriptions
1
NC
-
No connection
2
NC
-
No connection
3
NC
-
No connection
4
NC
-
No connection
5
GND
Power
Ground
6
RXC+
Input
LVDS receiver negative signal clock
7
RXC-
Input
LVDS receiver positive signal clock
8
GND
Power
Ground
9
RX2+
Input
LVDS receiver negative signal channel 2
10
RX2-
Input
LVDS receiver positive signal channel 2
11
GND
Power
Ground
12
RX1+
Input
LVDS receiver negative signal channel 1
13
RX1-
Input
LVDS receiver positive signal channel 1
14
GND
Power
Ground
15
RX0+
Input
LVDS receiver negative signal channel 0
16
RX0-
Input
LVDS receiver positive signal channel 0
17
NC
-
No connection
18
NC
-
No connection
19
VCC_IN
20
VCC_IN
Power
Positive Power Supply(3.3V)
3.2 K2 BackLight Connector
Pin No. Pin Name
IO
Descriptions
1
BL_VDD
Power
Positive Power Supply(12V)
2
BL_ADJ
Backlight dimming control
PWM may be used to adjust the output brightness
Input
BL_ADJ=Hi,100% Drive
BL_ADJ=Lo,0% Drive
3
BL_EN
Backlight Driver Control
Input
BLON=Hi, Backlight Driving Booster enable
BLON=Lo, Backlight Driving Booster disable
4
GND
Power
Power Supply GND (0V)
3.3
K3 Host Interface Terminal
1
GND
Power Power Supply GND (0V)
2
USB_VDD
Power Positive Power Supply(5V)
3
GND
Power Power Supply GND (0V)
4
USB_D+
I/O
USB D+ signal
5
USB_D-
I/O
USB D- signal
6~10
NC
-
No connection
Note1.USB:Full Speed 12MHz bps
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4.
Absolute Maximum Ratings
Items
Symbol
Min.
Max.
Unit
Condition
Power Supply voltage
VCC_IN
-0.3
+3.6
V
Backlight Supply voltage
BL_VDD
-0.3
+12.5
V
USB Supply voltage
USB_VDD
-0.3
+5.5
V
Operating Temperature
T OP
-20
70
 C
No Condensation
Storage Temperature
T ST
-30
80
 C
No Condensation
Note:
*1. This rating applies to all parts of the module. And should not be exceeded.
*2. The operating temperature only guarantees operation of the circuit. The contrast, response speed,
and the other specification related to electro-optical display quality is determined at the room temperature, T OP =25
*3. Ambient temperature when the backlight is lit (reference value)
*4. 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 reliabilit
5. Electrical Characteristics
5.1 DC Characteristics
Top=25 ℃ , VCC_IN =3.3V ,GND=0V
Parameter
Symbol
MIN.
TYP.
MAX.
Unit
Note
Supply Voltage
VCC_IN
3.0
3.3
3.6
V
VCC Power Consumption
I VCC-IN
-
180
450
mA
5.2 LED Backlight Circuit Characteristics
BL_GND=0V, T OP =25  C
Parameter
Symbol
MIN.
TYP.
MAX.
Unit
Note
Operating Voltage
BL_VDD
11.5
12.0
12.5
V
Input High Voltage
V DDH
3.0
-
BL_VDD
V
BL_EN, BL_ADJ
Input Low Voltage
V DDL
BL_GND
-
0.3
V
BL_EN, BL_ADJ
Backlight Forward Current
I BLA
-
185
450
mA
Cautions:
Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime.
Note:
*1: BL_EN=Hi, BL_ADJ=Hi;
*2: Recommended BL_ADJ PWM Freq. is 3kHz
*3: Terminal circuit ( Fig.1 ) :
Fig.1 Terminal circuit
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6. AC Characteristics
6.1
LVDS Timing Characteristic
Items
Symbol
MIN.
TYP.
MAX.
Unit
Remark
Clock frequency
R XCLK
20
-
81
MHz
-
|V ID |=400mV
Input data skew margin
T RSKM
300
-
-
ps
R XVCM =1.2V
R XFCLK =81MHz
Clock high time
T LVCH
-
4/(7*R XFCLK )
-
ns
Clock low time
T LVCL
-
3/(7*R XFCLK )
-
ns
PLL wake-up time
T enPLL
-
-
150
us
Input Clock and Data timing Diagram:
18 bits LVDS input
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6.2 Power ON/OFF Sequence
7. Optical Characteristics
Test Conditions:
Top=25 ℃ , BL-VDD =12V ,GND=0V
Items
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Remark
θT
40
50
View Angles
θB
CR ≧ 10
60
70
Degre
(*2)
θL
60
70
e
θR
60
70
Contrast Ratio
CR
θ=0°
400
500
-
(*1) ,(*3)
Response Time
T ON
25 ℃
-
20
50
ms
(*1), (*4)
T OFF
White
x
0.258
0.308
0.358
y
0.275
0.325
0.375
x
0.544
0.594
0.644
Chromaticity
Red
Backlight
y
0.279
0.329
0.379
(*1),(*5)
Green
x
is on
0.304
0.354
0.404
y
0.518
0.568
0.618
Blue
x
0.101
0.151
0.201
y
0.054
0.104
0.154
Uniformity
U
70
75
-
%
(*1) ,(* 6)
NTSC
45
50
-
%
(*5)
2
Luminance
L
-
400
-
cd/m
(*1), (*7)
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Note:
*1.Definition of optical measurement system.
The optical characteristics should be measured in dark room. After 5 Minutes operation, the optical
properties are measured at the center point of the LCD screen. All input terminals LCD panel must
be ground when measuring the center area of the panel.
*2.Definition of viewing angle range and measurement system. viewing angle is measured at the center point
of the LCD by CONOSCOPE(ergo-80)
*3. Definition of contrast ratio
“White state “: The state is that the LCD should drive by Vwhite.
“Black state”: The state is that the LCD should drive by Vblack.
Vwhite: To be determined Vblack: To be determined
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*4.Definition of Response time
*5. Definition of color chromaticity (CIE1931)
Color coordinates measured at center point of LCD.
*6. Definition of Luminance Uniformity
Active area is divided into 9 measuring areas (Refer Fig. 2). Every measuring point is
placed at the
center of each measuring area.
Luminance Uniformity (U) = Lmin/ Lmax
L-------Active area length W----- Active area wid
*7. Definition of Luminance:
Measure the luminance of white state at center point.
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8. LCD Module Design and
8. 液晶显示模块设计和使用须知
Handling Precautions
- Please ensure V0, VCOM is adjustable, to enable LCD module get - 请注意 V0, VCOM 的设定, 以确保液晶显示模块在不同
the best contrast ratio under different temperatures, view angles
的使用温度下以及在不同的视角和位置观察模块显
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 contrast - 请注意液晶显示模块的显示品质判定是指在正常对比
ratio within viewable area. Unexpected display pattern may com out
度下以及视窗(V.A)范围内进行的,非正常对比度下液
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 maximum - 请勿在最大额定值以外使用液晶显示模块。
ratings.
- Never apply signal to the LCD module without power supply.
- 请勿在没有接通电源的条件下,给液晶显示模块输送
信号。
- Keep signal line as short as possible to reduce external noise - 请尽可能缩短信号线的连接,以避免对液晶显示模块
interference.
的信号干扰。
- IC chip (e.g. TAB or COG) is sensitive to light. Strong light might - 集成电路因 IC 芯片(如 TAB COG)对紫外线极为敏
cause malfunction. Light sealing structure 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) between case and - 请在液晶显示模块与外壳之间保留足够的空间(可使用
LCD panel, to prevent external force passed on to the panel;
衬垫),以缓冲外力对液晶显示模块的损坏或因受力不
otherwise that may cause damage to the LCD and degrade its
均而产生的显示不匀等异常现象。
display result.
- Avoid showing a display pattern on screen for a long time - 避免液晶显示屏在某一画面下长时间点亮,否则有出
(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 exposure to direct - 请勿在阳光直射、高湿、高温或低温下储存和使用液
sunlight, high humidity, high or low temperature. They may damage
晶显示模块,这将造成液晶显示模块的损坏或失效。
or degrade the LCD module.
- Never leave LCD module in extreme condition (max./min - 请勿在极限环境(最大/最小存储/工作温度)下使用或
storage/operate temperature) for more than 48hr.
放置液晶显示模块超过 48 小时以上。
- Recommend LCD module storage conditions is 0 C~40 C - 液晶显示模块建议存储条件为: 0 C~40 C <80%RH
<80%RH.
- 请勿让液晶显示模块存储于带有 酸性, 碱性, 有害气
- LCD module should be stored in the room without acid, alkali and
体环境之中。
harmful gas.
- 在运输过程中, 请勿让液晶显示模块跌落与猛烈震动,
- Avoid dropping & violent shocking during transportation, and no
同时避免 异常挤压, 高湿度, 与阳光照射.
excessive pressure press, moisture and sunlight.
- 液晶显示模块极易受静电损坏,请务必保证液晶显示
- LCD module can be easily damaged by static electricity. Please
模块在防静电的工作环境中使用或保存。(如: 烙铁正
maintain an optimum anti-static working environment to protect the
确接地,等)
LCD module. (eg. ground the 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 module by
TAB 部位受力。
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 avoid
间,以免烫坏导光板或偏光片,导致显示不匀等不良
damaging the backlight guide or diffuser which might degrade the
现象发生。
display result such as uneven display.
- 请勿使用洗板水等腐蚀性液体接触液晶模块,以免腐
- Never let LCD module contact with corrosive liquids, which might
蚀导光板或模块电路。
cause damage to the backlight guide or the electric circuit of LCD
module.
- 仅可使用柔软的干布, 异丙醇或乙醇清洁液晶屏表
- Only clean LCD with a soft dry cloth, Isopropyl Alcohol or Ethyl
面,其他任何溶剂(如:水)都有可能损坏液晶模块。
Alcohol. Other solvents (e.g. water) may 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 cause
的损坏或失效而影响产品可靠性。
invisible damage or degrade the modules reliability.
- 装配液晶显示模块时,请务必注意避免液晶显示模块
- When mounting LCD module, please make sure it is free from
的扭曲或变形。
twisting, warping and bending.
- 请勿挤压液晶显示屏表面,这将导致显示颜色的异
- Do not add excessive force on surface of LCD, which may cause
常。
the display color change abnormally.
- 液晶屏由玻璃制作而成,任何机械碰撞(如从高处跌
- LCD panel is made with glass. Any mechanical shock (e.g.
落)均有可能损坏液晶显示模块。
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dropping from high place) will damage the LCD module.
- Protective film is attached on LCD screen. Be careful when peeling - 液晶屏表面带有保护膜, 揭除保护膜时需要注意可能
off this protective film, since static electricity may be generated.
产生的静电。
- Polarizer on LCD gets scratched easily. If possible, do not remove - 因液晶显示屏表面的偏光片极易划伤,安装完成之前
LCD protective film until the last step of installation.
请尽量不要揭下保护膜。
- When peeling off protective film from LCD, static charge may cause - 请缓慢揭除保护膜,在此过程中液晶显示屏上可能会
abnormal display pattern. The symptom is normal, and it will turn
产生静电线,此为正常情况,可在短时间内消失。
back to normal in a short while.
- LCD panel has sharp edges, please handle with care.
- 请注意避免被液晶显示屏的边缘割伤。
- Never attempt to disassemble or rework LCD module.
- 请不要试图拆卸或改造液晶显示模块。
- If display panel is damaged and liquid crystal substance leaks out, - 当液晶显示屏出现破裂, 内部液晶液体可能流出;
be sure not to get any in your mouth, if the substance comes into
关液体不可吞吃, 绝对不可接触嘴巴, 如接触到皮肤
contact with your skin or clothes promptly wash it off using soap
或衣服, 请使用肥皂与清水彻底清洗.
and water.
9. CTP Mounting Instructions
9. 电容触摸屏安装指导
9.1 面框安装(附图 1)
9.1 Bezel Mounting (Figure 1)
- 客户面框窗口应大于 CTP 动作区域,各边离动作区应
- The bezel window should be bigger than the CTP active area. It
≥0.5mm.
should be ≥ 0.5mm each side.
- 面框与 CTP 面板间应垫有胶垫,其最终间隙约为 0.5~
- Gasket should be installed between the bezel and the CTP surface.
1.0mm.
The final gap should be about 0.5~1.0mm.
- 建议必要时在背面提供附加支架(例如无安装结构的薄
- It is recommended to provide an additional support bracket for
型 TFT 模块),应仅利用适当支撑以保持模块位置.
backside support when necessary (e.g. slim type TFT module
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
扭曲力作用到模块上.
external uneven force or twist act onto the module.
Figure 1
9.2 Surface Mounting (Figure 2)
9.2 嵌入安装(附图 2)
- As the CTP assembling on the countersink area with double side - 客户面框应具有使用双面胶粘贴 CTP 的结构沉台面,
adhesive.
其粘贴面要求平整且洁净无污以保证粘贴牢靠.
The countersink area should be flat and clean to ensure the double
side adhesive installation result.
- The Bezel is recommend to keep a gap ( 0.3mm each side) - 考虑到制作误差,建议面框与 CTP 盖板之间四周留有
around the cover lens for tolerance.
≥0.3mm 间隙.
- It is recommended to provide an additional support bracket with - 建议必要时在背面提供垫有胶垫附加支架(例如无安装
gasket for backside support when necessary (e.g. TFT module
结构的 TFT 模块),应仅利用适当支撑以保持模块位
without mounding structure). They should only provide appropriate
置.
support and keep the module in place.
- The mounting structure should be strong enough to prevent - 安装结构应具有足够的强度,以防止外部不均匀力或
external uneven force or twist act onto the module
扭曲力作用到模块上。
Figure 2
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9.3 Additional Cover Lens Mounting (Figure 3)
9.3 覆加盖板(附图 3)
- For the case of additional cover Lens mounting, it is necessary to - 需要覆加玻璃盖板的安装,为确保其功能,有必要查
recheck with the CTP specification about the material and thickness
看产品规格书中有关盖板材料和厚度的说明.
to ensure the functionality.
- It should keep a 0.2~0.3mm gap between the cover lens and the - 玻璃盖板与 CTP 表面之间应留有 0.2~0.3mm 间隙.
CTP surface..
- The cover lens window should be bigger than the active area of the - 玻璃盖板视窗应大于 CTP 动作区域,各边离动作区应
CTP.It should be ≥ 0.5mm each side.
≥0.5mm。
- It is recommended to provide an additional support bracket for - 建议必要时在背面提供附加支架(例如无安装结构的薄
backside support when necessary (e.g. slim type TFT module
型 TFT 模块),应仅利用适当支撑以保持模块位置.
without mounding structure). They should only provide appropriate
support and keep the module in place.
- The mounting structure should be strong enough to prevent - 安装结构应具有足够的强度,以防止外部不均匀力或
external uneven force or twist act onto the module.
扭曲力作用到模块上.
Figure 3
10. RTP Mounting Instructions
10. 电阻触摸屏安装指导
- 为避免面框直接压在动作区(A.A.)上造成误动作,面框
- It should bezel touching the RTP Active Area (A.A.) to prevent
与电阻触摸屏(RTP)之间应留有一定的空隙
abnormal touch.It should left gab D=0.2~0.3mm in between.
D=0.2~0.3mm 之间.(附图 4)
(Figure 4)
- Outer bezel design should take care about the area outside the
- 设计面框时,要注意用面框保护触摸屏四周的非保证操
A.A. Those areas contain circuit wires which is having different
作区域,因为布线区域在此处形成一台阶,在此区域
thickness. Touching those areas could de-form the ITO film. As a
附近操作时 ITO Film 变形较大,容易导致 ITO 损坏而
result bezel the ITO film be damaged and shorten its lifetime.
降低寿命。为保护 RTP 和避免误操作,在 RTP 与面框
It is suggested to protect those areas with gasket (between the
之间垫缓冲物(Gasket),我们建议设计面框应覆盖
bezel and RTP).The suggested figures are B≥0.50mm; C≥0.50mm.
动作区的边缘,面框边缘到 V.A.区的距离 B≥0.50mm;
(Figure 4)
垫圈内边缘到 V.A.区的距离 C≥0.50mm. (附图 4)
- The bezel side wall should keep space E= 0.2 ~ 0.3mm from the
- 在设计面框与 RTP 组装时,应考虑到面框内侧与 RTP
RTP. (Figure 4)
侧的间距 E≥0.2mm. (附图 4)
Figure 4
- In general design,
- 通常设计时:
RTP V.A. should be bigger than the TFT V.A.
RTP 的可视区 V.A. 应不小于 TFT 的可视区 V.A.
and RTP A.A. should be bigger than the TFT A.A.
及 RTP 的动作区 A.A. 应不小于 TFT 的动作区 A.A.
(Figure 5)
(附图 5)
URL: www.topwaydisplay.com
Document Name: LMT068DNNFWU-NEA-Manual-Rev0.11
www.topwaysz.com
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TOPWAY
LCD Module User Manual
LMT068DNNFWU-NEA
Figure 5
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: LMT068DNNFWU-NEA-Manual-Rev0.11
www.topwaysz.com
Page: 13 of 13