TOPWAY LMT050DNCFWU-3 LCD Module User Manual

TOPWAY LMT050DNCFWU-3 LCD Module

Specifications

• Screen Size(Diagonal): 5.0 inches
• Active Area: 108 x 64.8 (mm)
• Number of Dots: 800(RGB) x 480
• Pixel Pitch: 0.135 x 0.135 (mm)
• Color Depth: 16.7M colors
• Display Technology: a-Si TFT active matrix
• Display Mode: Normal White, Transmissive
• Display Interface: RGB_24bit
• Viewing Direction: 6H (gray scale inverse), 12H
• Surface Treatment: Anti-Glare
• Storage Temperature: Refer to manual for details

Product Usage Instructions

Power Connection
Connect VLED-, VLED+ for backlight power, GND and VDD for power supply, and ensure proper grounding.

Data Input
Use pins R0 to R7 for red color data input, pins G0 to G7 for green color data input, and pins B0 to B7 for blue color data input.

Clock Input
Provide clock signal on CLKIN pin for input data, which is latched at the falling edge of this signal.

Standby Mode
Use pin STBYB to control the standby mode of the device. Set STBYB=1 for normal operation and STBYB=0 for standby mode.

Frequently Asked Questions (FAQ)

1. Q: What is the color depth of the display?
   A: The display has a color depth of 16.7 million colors.

2. Q: How should I connect the power supply?
   A: Connect VLED-, VLED+ for backlight power, GND and VDD for power supply, and ensure proper grounding.

3. Q: What is the viewing direction of the display?
   A: The viewing direction is 6H (gray scale inverse) and 12H.

General Specification

• Screen Size(Diagonal) : 5.0 ”
• Active Area : 108 x 64.8 (mm)
• Number of dots : 800(RGB) x 480
• Pixel Pitch： 0.135 x 0.135 (mm)
• Color Depth : 16.7M colors
• Display Technology : a-Si TFT active matrix
• Display Mode : Normal White, Transmissive
• Display Interface : RGB_24bit
• Viewing Direction : 6H (1) (gray scale inverse) 12H (2)
• Surface Treatment : Anti-Glare
• 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 .

Block Diagram

Terminal Functions

Interface

signal.
31| STBYB| I| Standby mode.
STBYB=“1”: Normally operation.
STBYB=“0”: Standby mode .Timing controller, source driver will turn off, all output are High-Z.
32| HSD| I| Horizontal Sync signal input
33| VSD| I| Vertical Sync Signal Input
34| DEN| I| Data input enable. Effective only in DE mode.
35| NC| –| No connection, leave open
36| GND| P| Power Ground (0V)
37| NC| –| **** No connection, leave open
38| NC
39| NC
40| NC

Note:

1. I/O definition: I—Input, O—Output, P—Power/Ground
2. Interface: HS, VS mode (default)

Absolute Maximum Ratings

Cautions:
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.

Electrical Characteristics

DC Characteristics
GND=0V, VDD =3.3V, TOP =25℃

Items| Symbol| MIN.| TYP.| MAX.| Unit| Applicable Pin
---|---|---|---|---|---|---
Operating Voltage| VDD| 3.2| 3.3| 3.4| V| VDD
Input High Voltage| VIH| 0.7xVDD| –| VDD| V| Input pins
Input Low Voltage| VIL| GND| –| 0.3xVDD| V| Input pins
Output Signal Low Voltage| VoH| –| –| GND+0.4| V|
Output Signal High Voltage| VIL| VDD-0.4| –| –| V|
Operating Current (*1)| IDD| –| 90| –| mA| All black

Note.

1. For different LCM, the value may have a bit of difference.
2. To test the current dissipation, use “all Black Pattern”.

LED Backlight Circuit Characteristics
If=120mA, TOP=25℃

Cautions:
Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime.

Backlight Circuit Diagram
No. of LEDs = 3×6 pcs

Power ON/OFF Sequence

AC Characteristics

AC Timing
GND=0V, VDD =3.3V, TOP =25℃

Item| Symbol| MIN.| TYP.| MAX.| Unit| Remark
---|---|---|---|---|---|---
HSD setup time| Thst| 8| –| –| ns|
HSD hold time| Thhd| 8| –| –| ns|
VSD setup time| Tvst| 8| –| –| ns|
VSD hold time| Tvhd| 8| –| –| ns|
Data setup time| Tdsu| 8| –| –| ns|
Data hole time| Tdhd| 8| –| –| ns|
DE setup time| Tesu| 8| –| –| ns|
VDD Power On Slew rate| Tpor| –| –| 20| ms|
CLKIN cycle time| Tcph| 20| –| –| ns|
CLKIN pulse duty| Tcwh| 40| 50| 60| %|

Data Input format

Item| Symbol| MIN.| TYP.| MAX.| Unit| Remark
---|---|---|---|---|---|---
Horizontal Display Area| thd| 800| DCLK|
CLKIN Frequency| fclk| –| 30| 50| MHz|
One Horizontal Line| th| 889| 928| 1143| CLKIN|
HSD pulse width| thpw| 1| 48| 255| CLKIN|
HSD Blanking| thb| 88| CLKIN|
HSD Front Porch| thfp| 1| 40| 255| CLKIN|
Vertical Display Area| tvd| 480| TH|
VSD period time| tv| 513| 525| 767| TH|
VSD pulse width| tvpw| 3| 3| 255| TH|
VSD Blanking| tvb| 32| TH|
VSD Front Porch| tvfp| 1| 13| 255| TH|

Horizontal input timing diagram

Optical Characteristics

Item| Symbol| Condition| MIN.| TYP.| MAX.| UNIT| Note.
---|---|---|---|---|---|---|---
Viewing angle| θT| (CR≥10)| 40| 50| –| degree| Note 2,3
θB| 60| 70| –
θL| 60| 70| –
θR| 60| 70| –
Contrast ratio| CR| θ=0o| 500| 600| –| –| Note 3
Response Time| Ton| 25℃| –| 20| 30| ms| Note 4
Toff
Chromaticlty| ****

White

| X| Backlight is on| 0.275| 0.325| 0.375| –| **** Note 1,5
Y| 0.313| 0.363| 0.413

Red

| X| 0.556| 0.616| 0.656
Y| 0.285| 0.335| 0.385

Green

| X| 0.256| 0.306| 0.356
Y| 0.517| 0.567| 0.617

Blue

| X| 0.086| 0.136| 0.186
Y| 0.108| 0.158| 0.208
Luminance| L| | –| 1100| –| cd/m2| Note 1,6
NTSC| | | –| 50| | %| Note 5
Luminance uniformity| U| | 80| 85| –| %| Note 1,7

Test Conditions:

1. If= 120mA, Vf=9.0V, and the ambient temperature is 25℃
2. The test systems refer to Note 1 and Note 2.

Note 1:
Definition of optical measurement system.
The optical characteristics should be measured in dark room. After 5 Minutes operation, the optical characteristics are measured at the center point of the LCD screen.

Note 2:
The definition of viewing angle:
Refer to the graph below marked by θ and Ф

Note 3:
The definition of contrast ratio (Test LCM using SR-3A (1°)):

(Contrast Ratio is measured in optimum common electrode voltage)

Note 4:
Definition of Response time. (Test LCD using BM-7A(2°)):
The output signals of photo detector are measured when the input signals are changed from “black” to “white”(falling time) and from “white” to “black”(rising time), respectively.
The response time is defined as the time interval between the 10% and 90% of amplitudes. Refer to figure as below.

Note 5:
Definition of Color of CIE1931 Coordinate and NTSC Ratio.

Color gamut:

Note 6:
The luminance uniformity is calculated by using following formula.
Bp = Bp (Min.) / Bp (Max.)×100 (%)
Bp (Max.) = Maximum brightness in 9 measured spots
Bp (Min.) = Minimum brightness in 9 measured spots.

Note 7:
Measured the luminance of white state at center point

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.

Kl   Terminal

No| Pin   Name
1| VLED-
2| VLED+
3| GND
4| VDD
5| RO
|
12| R7
13| GO
|
20| G7
21| BO
|
28| B7
29| GND
30| CLKIN
31| STBYB
32| HSD
33| VSD
34| DEN
35| NC
36| GND
37| NC
38| NC
39| NC
40| NC

Note:

1. LCD Display Type : TFT.Transmissive
2. Pixel Arrangment : RGB-STRIPE
3. Interface : RGB_24bit
4. Color Depth: 16.7M color
5. Operating Voltage : 3.3V
6. Backlight Supply : 120mA (Constant Current VF=9.0V typ.›
7. Backlight : White LED
8. Matched Connector: FH34SRJ-405-0.5SH Or Equivalent
9. Operating Temperature : -20°C~70°C
10. Storage Temperature : -30°C~80°C
11. Unmarked Tolerace : ≤150,0.3; >150,#0.5

References

• 液晶显示模块-TFT液晶屏生产厂家 | 拓普微科技

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