LMT050DNCFWU-3

LCD Module User Manual

Prepared by:

Checked by:

Approved by:

Gong huimei

Date: 2024-01-17

Date:

Date:

Rev. Descriptions

Edit

Release Date

0.1

Preliminary

Gong huimei 2024-01-17

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Document Name: LMT050DNCFWU-3 Manual-Rev0.1

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LCD Module User Manual

LMT050DNCFWU-3

Table of Content

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

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

3. Terminal Functions........................................................................................................................4

3.1 Interface......................................................................................................................................... 4

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

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

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

5.2 LED Backlight Circuit Characteristics............................................................................................5

5.3 Power ON/OFF Sequence.............................................................................................................6

6. AC Characteristics.........................................................................................................................7

6.1 AC Timing...................................................................................................................................... 7

6.2 Data Input format........................................................................................................................... 8

7. Optical Characteristics..................................................................................................................9

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LCD Module User Manual

LMT050DNCFWU-3

1. 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.

2. Block Diagram

VLED-, VLED+

Backlight Circuit

800(x3) x 480 pixels

TFT Panel

R0~R7, G0~G7, B0~B7

VDD, GND

TFT Driver

CLKIN, HSD, VSD, DEN,STBYB

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LMT050DNCFWU-3

3. Terminal Functions

3.1 Interface

Pin No. Pin Name

I/O

Descriptions

1

VLED-

P

Backlight LED Cathode supply

2

VLED+

P

Backlight LED Anode supply

3

GND

P

Power Ground (0V)

4

VDD

P

Positive Power Supply

5

R0

:

:

I

Red color data input

12

R7

13

G0

:

:

I

Green color data input

20

G7

21

B0

:

:

I

Blue color data input

28

B7

29

GND

P

Power Ground (0V)

30

CLKIN

I

Clock for input data. Data latched at falling edge of this signal.

Standby mode.

31

STBYB

I

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

38

NC

39

NC

-

No connection, leave open

40

NC

Note:

*1: I/O definition: I---Input, O---Output, P---Power/Ground

*2: Interface: HS, VS mode (default)

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LCD Module User Manual

LMT050DNCFWU-3

4. Absolute Maximum Ratings

Items

Symbol

Min.

Max.

Unit

Condition

Supply Voltage

V DD

-0.5

+3.96

V

GND = 0V

Operating Temperature

T OP

-20

+70

℃

No Condensation

Storage Temperature

T ST

-30

+80

℃

No Condensation

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.

5. Electrical Characteristics

5.1 DC Characteristics

GND=0V, V DD =3.3V, T OP =25 ℃

Items

Symbol

MIN.

TYP.

MAX.

Unit Applicable Pin

Operating Voltage

VDD

3.2

3.3

3.4

V

VDD

Input High Voltage

V IH

0.7xVDD

-

VDD

V

Input pins

Input Low Voltage

V IL

GND

-

0.3xVDD

V

Input pins

Output Signal Low Voltage

V oH

-

-

GND+0.4

V

Output Signal High Voltage

V IL

VDD-0.4

-

-

V

Operating Current (*1)

I DD

-

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”.

5.2 LED Backlight Circuit Characteristics

If=120mA, T OP =25 ℃

Items

Symbol

MIN.

TYP.

MAX.

Unit Note

Forward Voltage

Vf

-

9.0

9.9

V

Forward Current

If

-

120

-

mA

Life Time

-

-

40000

-

hr

Cautions:

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

Backlight Circuit Diagram

No. of LEDs = 3x6 pcs

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5.3 Power ON/OFF Sequence

Power On/Off Sequence

Power On Sequence

Power OFF Sequence

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6. AC Characteristics

6.1 AC Timing

GND=0V, V DD =3.3V, T OP =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

%

Input Clock and Data Timing Diagram

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6.2 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

Vertical input timing diagram

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LCD Module User Manual

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7. Optical Characteristics

Item

Symbol

Condition

MIN.

TYP.

MAX.

UNIT

Note.

θ T

40

50

-

Viewing angle

θ B

60

70

-

(CR ≥ 10)

degree

Note 2,3

θ L

60

70

-

θ R

60

70

-

Contrast ratio

CR

θ=0 o

500

600

-

-

Note 3

T on

Response Time

25 ℃

-

20

30

ms

Note 4

T off

X

0.275 0.325 0.375

White

Y

0.313 0.363 0.413

X

0.556 0.616 0.656

Red

Y

Backlight

0.285 0.335 0.385

Chromaticlty

is on

-

Note 1,5

X

0.256 0.306 0.356

Green

Y

0.517 0.567 0.617

X

0.086 0.136 0.186

Blue

Y

0.108 0.158 0.208

Luminance

L

-

1100

-

cd/m 2

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.

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Note 1:

Note 2:

Definition of optical measurement system.

The definition of viewing angle:

The optical characteristics should be measured in dark room.

Refer to the graph below marked by θ and Ф

After 5 Minutes operation, the optical characteristics

are measured at the center point of the LCD screen.

Note 3:

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

Note 4:

Contrast

Luminance When LCD is at “White” state

Definition of Response time. (Test LCD using BM-7A(2°)):

Ratio(CR)

=

Luminance When LCD is at “Black” state

The output signals of photo detector are measured

(Contrast Ratio is measured in optimum common electrode

when the input signals are changed from

voltage)

“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:

Note 6:

Definition of Color of CIE1931 Coordinate and NTSC Ratio.

The luminance uniformity is calculated by using following formula.

△ Bp = Bp (Min.) / Bp (Max.)×100 (%)

Color gamut:

Bp (Max.) = Maximum brightness in 9 measured spots

Area of RGB triangle

S=

X100%

Bp (Min.) = Minimum brightness in 9 measured spots .

Area of NTSC triangle

Note 7:

Measured the luminance of white state at center point

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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.

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