3.0 inch transflective display

3.0 inch transflective display

3.0 inch transflective display

►transflective  Display
►3.0 “transflective LCD
►Resolution : 240×400 dots
►View Direction:12 o’clock
►Interface: RGB vertical stripes
►Driver IC: HX8352B
►RTP/CTP: Optional
►Brightness(cd/m²): 4500
►Outline Dimension: 45.04×77.05×2.6(T)mm

General Description

The TF300-19 model is a color TFT LCM this module has a 3.0inch diagonally measured active area with WQVGA(240 horizontal by 400 vertical pixel array).each pixel is divided into red,green,blue dots which are arranged in vertical stripe and this module can display 262K colors.

General Feature

ItemMain DisplayRemark
Display ModeNormally White, TransFlective LCD 
Viewing direction12 o’clock 
Driving methoda-si TFT active matrix 
Input signals8/9/16/18bit MCU; SPI+RGB; SPI; 
Outside dimensions45.04mm(W)*77.05mm(H)*2.6mm(D) 
Active Atea38.88mm(W)х64.8mm(H) 
Number of Pixels240x(RGB)х400 pixels 
Pixel Pitch0. 162mm(W)х0. 162mm(H) 
Pixel ArrangmentRGB vertical stripes 
Driver ICHX8352B

MechanicalDrawing

3.0 inch transflective display

Interface
LCM PIN Definition

No.SymbolDescription
1BS0See Note1
2BS1See Note1
3BS2See Note1
4RESETActive low. This signal is used to reset the device and must be applied to initialize the chip properly.
5VSYNCVertical Sync signal in RGB I/F mode.If not used, connect this pad to either VCC or VSS.  
6HSYNCHorizontal Sync signal in RGB I/F mode.If not used, connect this pad to either VCC or VSS.  
7PCLKPixel clock signal in RGB I/F mode.If not used, connect this pad to either VCC or VSS.  
8DEData Enable signal in RGB I/F mode.If not used, connect this pad to either VCC or VSS.  
9-26DB17-0Data Bus. See Note1
27SDOSerial Output data.
28SDASerial data bus. If not used, connect this pad to either VCC or VSS.  
29RDRead Enable in 80-parallel interface. If not used, connect this pad to VCC.
30WRWrite Enable in 80-parallel interface.Serial interface clock (SCL) in serial data interface.
31RS(SCL)Display Data/Command selection signal in parallel interface
32CSChip select input pin (“Low” enable).
33VCCPower Supply for Analog(2.5V-3.6V).
34IOVCCPower Supply for I/O(1.65V-3.6V).
35GNDGround 
36GNDGround 
37LEDK4Backlight Cathode4
38LEDK3Backlight Cathode3
39LEDK2Backlight Cathode2
40LEDK1Backlight Cathode1
41LEDABacklight Anode
42XR(NC)NC
43YD(NC)NC
44XL(NC)NC
45YU(NC)NC

NOTE1:

3.0 inch transflective display

VSS=0V,VDD=2.80±0.05V,TOPR =-20~70℃

Electrical Specification
DC Characteristics

ItemSymbolConditionMin.Typ.Max.Unit
Supply powerVDD 2.72.82.9V
Input high voltageVIH 0.7VDDVDD 
Input low voltageVIL 00.2VDD 
Output high voltageV0H 0.8VDD 
Output low voltageV0L 0.2VDD 
Logic current consumptionIDD mA
Current consumption during standby modeIs uA

Absolute Maximum Ratings

ItemSymbolRatingsUnitCondition
Operating powerVDD-0.3~3.6V 
Operating temperatureTOPR-20~+70No condensation
Storage temperatureTSTR-30~+80No condensation

Backlight Circuit Characteristics

ItemSymbolMinTyp.Max.UnitCondition
Operating voltageVLED3.03.23.3VILED =80 mA
Operating currentILED80mA
Back blight luminance(display white) 4500cd/m2ILED =80 mA

Optical Specification

Optical characteritics are determind after the unit has been on and stable for approximately 30 minutes dark environment at 25℃.the value specified are at an approximate distance 500mm from the lcd surface at a viewing angle and θ equal to 0

Transmissive mode

parameter

Symbol

Condition

Min

Typ

Max

Unit

Viewing Angle

Φ=0° (3:00)

θ

Cr>10

70

deg

Φ=90° (12:00)

70

Φ= 180° (9:00)

70

Φ= 270° (6:00)

55

Contrast ratio

Cr

θ=0

Φ=0

300

Respone time

Tr+Tf

(35)

ms

Surface Luminance 

Lv

(250)

Cd/m2

CIE(x,y)

chromaticty

RED 

X

θ=0

Φ=0

0.623

0.643

0.663

Y

0.313

0.333

0.353

GREEN

X

0.284

0.304

0.324

Y

0.558

0.578

0.598

BLUE

X

0.121

0.141

0.161

Y

0.117

0.137

0.157

WHITE

X

0.294

(0.314)

0.334

Y

0.326

(0.336)

0.366

 

Reflective mode

Item

Symbol

Specifications

Unit

Note

Min.

Typ.

Max.

Reflection Ratio

(With Polarizer)

R          

(θ=φ=0°)

9

%

Reflective Contrast

Ratio

Cr

(θ=0°)

35

Viewing angle

(Cr≥ 2)*

Φ=0° (3:00)

70

deg

Φ=90° (12:00)

70

Φ= 180° (9:00)

70

Φ= 270° (6:00)

55

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