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RGB 7″ High Resolution series

This datasheet gives detailed information about the Riverdi 7″ high brightness TFT displays with an RGB interface. The displays come in different versions: with capacitive or no touchscreen, with a decorative cover glass, as well as with our without a metal mounting frame.

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Rev.1.0
2019-03-21

ITEM CONTENTS UNIT
LCD Type TFT/Transmissive/Normally black /
Size 7.0 Inch
Viewing Direction Full Angle
Active Area (W × H) 154.21 × 85.92 mm2
Dot Pitch (W × H) 0.1432 × 0.1506 mm2
Number Of Dots 1024 (RGB) × 600 /
Driver IC EK79001HK+EK73215BCGA /
Backlight Type 27 LEDs /
Interface Type RGB /
Pixel Arrangement RGB Vertical Stripe /
Surface Treatment Anti-glare / Clear (for CTP) /
Input Voltage 3.3 V
Weight g

Note 1: RoHS, REACH SVHC compliant

Note 2: LCM weight tolerance: ± 5%.

1. Module classification information

RV T 70 x S T x W x 0x
1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
1. BRAND RV – Riverdi
2. PRODUCT TYPE T – TFT Standard

F – TFT Custom

3. DISPLAY SIZE 70 – 7.0”
4. MODEL SERIAL NO. A (A-Z)

U – UxTouch

5. RESOLUTION S – 1024×600 px
6. INTERFACE T– RGB
7. FRAME N – No Frame

F – Mounting Frame

8. BACKLIGHT TYPE W – LED White
9. TOUCH PANEL N – No Touch Panel

C – Capacitive Touch Panel

10. VERSION 0x (00-99)

2. Assembly guide – integration

Three options of rear side adhesive tape are available: double side adhesive tape 0.2 mm with 3M 467MP glue, foam double side adhesive tape 0.5 mm with DST 3M 9495LE glue or without any tape.

There are also two versions of glass color: black and white.

Rear side adhesive tape options:

Double side adhesive tape with DST 3M 9495LE glue (total thickness 0.2mm) Foam double side adhesive tape with 3M 9495LE glue (total thickness 0.5mm) Without tape

 

Cover glass color options:

BLACK WHITE
NAME OF THE PRODUCT PART NUMBER DESCRIPTION
RiTFT-70H RVT70ASTNWN00 RGB
RiTFT-70H-FR RVT70ASTFWN00 RGB, Frame
RiTFT-70H-CAP RVT70ASTNWC00 RGB, CTP
RiTFT-70H-CAP-FR RVT70ASTFWC00 RGB, CTP, Frame
RiTFT-70H-CAP-UX RVT70USTNWC00 RGB, CTP uxTouch, black cover glass, 0.2mm DST
RVT70USTNWC01 RGB, CTP uxTouch, black cover glass, 0.5 mm DST
RVT70USTNWC02 RGB, CTP uxTouch, black cover glass, no DST
RVT70USTNWC03 RGB, CTP uxTouch, white cover glass, 0.2mm DST
RVT70USTNWC04 RGB, CTP uxTouch, white cover glass, 0.5mm DST
RVT70USTNWC05 RGB, CTP uxTouch, white cover glass, no DST

2.1. UxTouch assembly

UxTouch are LCD TFT displays with specially designed projected capacitive touch panels. UxTouch display can be mounted without any holed in the housing. Our standard UxTouch displays include double-sided adhesive tape (DST) to stick TFT easily to the housing.

UxTouch models with double-side adhesive tape (PN with endings 00, 01, 03, 04) can be mounted by connecting the glass to the housing. Riverdi recommends to use support brackets assembled to display’s back. An additional support will stiffen the whole structure and minimize the influence of external factors such as vibration. Figure 1 below show examples of using support elements.

Figure 1. Example of using support brackets

2.1. Mounting frame

For dimensions 3.5”, 4.3”, 5.0” and 7.0” the product with mounting frame version is available. Thanks to the four catches attached to the side, frame provides strong assembly to the surface by mounting element (like the screw, see Figure 3). The frames are specially designed to fit Riverdi products perfectly. The diameter of the mounting hole is 3.5mm.

Figure 2. Mounting frame

3. Drawings

4. Absolute maximum ratings

PARAMETER SYMBOL MIN MAX UNIT
Power for Circuit Driving VDD -0.3 3.96 V
AVDD -0.5 14.85 V
VGH -0.3 40 V
VGL -20.0 0.3 V
Operating Temperature TOP -20 70 °C
Storage Temperature TST -30 80 °C
Humidity RH 10%(@ 25°C) RH

5. Electrical characteristics

PARAMETER SYMBOL MIN TYP MAX UNIT NOTE
Supply Voltage For Module DVDD 3.0 3.3 3.6 V
VGH 17 18 19 V
VGL -6.6 -6.0 -5.4 V
AVDD 9.4 9.6 9.8 V
VCOM 3.6 3.8 4.0 V
Video signal amplitude
(VR, VG, VB)
VIA AVDD-0.4 V
VIAC V AC component
VIDC AVDD/2 V DC component
VCOM VCAC VP-P AC component
VCDC V DC component, Note1
Input Signal Voltage VIH 0.7DVDD DVDD V Note2
VIL 0 0.3DVDD V
Current of power supply IDD 30 45 mA DV DD =3.3V
IADD 35 45 mA AVDD=9.6V
IGH 0.5 1 uA VGH=18V
IGL 0.5 1 mA VGL=-6V

Note1:The brightness of LCD panel could be changed by adjusting the AC component of VCOM.

Note2: STHL, STHR, OEH, L/R, CPH1~CPH3, STVD, STVU, OEV,CKV,U/D

6. Driving LED backlight

ITEM SYMBOL MIN TYP MAX UNIT NOTE
Backlight driving voltage VF 9.0 9.6 10.2 V
Backlight driving current IF 270 mA
Backlight Power Consumption WBL 2592 mW
Life Time 30000 Hrs Note

Note: If LED is driven by high current, high ambient temperature & humidity condition. The life time of LED will be reduced. Operating life means brightness goes down to 50% initial brightness. Typical operating life time is estimated data.

7. Power consumption

ITEM SYMBOL CONDITION MIN TYPE MAX UNIT
Gate on power current IVGH VGH=18V 0.5 1 mA
Gate off power current IVGL VGL=-6V 0.5 1 mA
Digital power current IDVDD DVDD=3.3V 30 45 mA
Analog power current IAVDD AVDD=9.6V 35 45 mA
Total power consumption PC 447 604 mW

Note: Typ. Specification: Gray-level test pattern; Max Specification: Black test pattern

256 gray pattern

Black pattern

8. Electro-optical characteristics

ITEM SYMBOL CONDITION MIN TYP MAX UNIT REMARK NOTE
Response Time Tr+Tf θ=0°

∅=0°

Ta=25

35 ms FIG 1. 4
Contrast Ratio Cr 800 FIG 2. 1
Surface Luminance no touch module Lv 1000 cd/m2 FIG 2. 2
Surface Luminance CTP module 900
Viewing Angle Range θ ∅ = 90° 85 deg FIG 3. 6
∅ = 270° 85 deg FIG 3.
∅ = 0° 85 deg FIG 3.
∅ = 180° 85 deg FIG 3.
CIE (x, y)

Chromaticity

Red x θ=0°

∅=0°

Ta=25

FIG 2. 5
y
Green x
y
Blue x
y
White x 0.27 0.31 0.35
y 0.29 0.33 0.37

Note 1. Contrast Ratio(CR) is defined mathematically as below, for more information see  Figure 4 .

Note 2. Surface luminance is the LCD surface from the surface with all pixels displaying white. For more information, see Figure 4 .

Note 3. The uniformity in surface luminance δ WHITE is determined by measuring luminance at each test position 1 through 5, and then dividing the maximum luminance of 5 points luminance by minimum luminance of 5 points luminance. For more information, see Figure 4 .

Note 4. Response time is the time required for the display to transition from white to black (Rise Time, Tr) and from black to white (Decay Time, Tf). For additional information see FIG 1. The test equipment is Autronic-Melchers’s ConoScope series.

Note 5. CIE (x, y) chromaticity, the x, y value is determined by measuring luminance at each test position 1 through 5, and then make average value.

Note 6. Viewing angle is the angle at which the contrast ratio is greater than 2. For TFT module the contrast ratio is greater than 10. The angles are determined for the horizontal or x axis and the vertical or y axis with respect to the z axis which is normal to the LCD surface. For more information see Figure 4.

Note 7. For viewing angle and response time testing, the testing data is based on Autronic-Melchers’s ConoScope series. Instruments for Contrast Ratio, Surface Luminance, Luminance Uniformity, CIE the test data is based on TOPCON’s BM-5 photo detector.

Note 8. For TFT module, Gray scale reverse occurs in the direction of panel viewing angle.

Figure 3. The definition of response time

Figure 4. Measuring method for Contrast ratio, surface luminance, Luminance uniformity, CIE (x, y) chromaticity

9. Interface description

9.1. TFT LCD Panel

PIN NO. SYMBOL I/O DESCRIPTION NOTES
1 VLED+ P Power for LED backlight (Anode)
2 VLED+ P Power for LED backlight (Anode)
3 VLED- P Power for LED backlight (Cathode)
4 VLED- P Power for LED backlight (Cathode)
5 GND P Power Ground
6 VCOM I Common Voltage
7 DVDD P Power for Digital Circuit
8 MODE I DE/SYNC mode select Note 1
9 DE I Data Input Enable
10 VS I Vertical Sync Input
11 HS I Horizontal Sync Input
12 B7 I Blue data (MSB)
13 B6 I Blue data
14 B5 I Blue data
15 B4 I Blue data
16 B3 I Blue data
17 B2 I Blue data
18 B1 I Blue data Note 2
19 B0 I Blue data (LSB) Note 2
20 G7 I Green data (MSB)
21 G6 I Green data
22 G5 I Green data
23 G4 I Green data
24 G3 I Green data
25 G2 I Green data
26 G1 I Green data Note 2
27 G0 I Green data (LSB) Note 2
28 R7 I Red data (MSB)
29 R6 I Red data
30 R5 I Red data
31 R4 I Red data
32 R3 I Red data
33 R2 I Red data
34 R1 I Red data Note 2
35 R0 I Red data(LSB) Note 2
36 GND P Power Ground
37 DCLK P Sample Clock
38 GND P Power Ground
39 L/R I Left/Right selection Note 4,5
40 U/D I Up/Down selection Note 4,5
41 VGH P Gate ON Voltage
42 VGL P Gate OFF Voltage
43 AVDD P Power for analog circuit
44 RESET I Global reset pin Note 6
45 NC No connection
46 VCOM I Common Voltage
47 DITHUB I Dithering Function Note 7
48 GND I Power Ground
49 NC No Connection
50 NC No Connection

I: input, O:output, P:Power

Note 1. DE/SYNC mode select. Normally pull high.
When select DE mode, MODE=”1”, VS and HS must pull high.

Note 2. When input 18 bits RGB data, the two low bits of R,G and B data must be grounded.

Note 3. Data shall be latched at the falling edge of DCLK.

Note 4. Selection of scanning mode:

SETTING OF SCAN CONTROL INPUT SCANNING DIRECTION
U/D L/R
GND DVDD Up to down, left to right
DVDD GND Down to up, right to left
GND GND Up to down, right to left
DVDD DVDD Down to up, left to right

Note 5. Definition of scanning direction, refer to the figure as below:

Note 6. Global reset pin. Active low to enter reset state, Suggest to connect with an RC reset circuit for stability. Normally pull high.

Note 7. Dithering function enable control, normally pull high.
When DITHUB=”1”, Disable internal dithering function,
When DITHUB=”0”, Enable internal dithering function.

10. Timing characteristics

10.1. Vertical input timing

10.2. Horizontal Input timing

10.3 Parallel RGB Timing characteristic

10.3.1 DE MODE

PARAMETER SYMBOL VALUE UNIT
MIN. TYP. MAX
DCLK frequency
(frame rate 60Hz)
fclk 40.8 51.2 67.2 MHz
Horizontal display area thd 1024 DCLK
HSYNC period time th 1114 1344 1400 DCLK
HSYNC blanking thb+thfp 90 320 376 DCLK
Vertical display area tvd 600 H
VSYNC period time tv 610 635 800 H
VSYNC blanking tvb+tvfp 10 85 200 H

10.3.2 HV MODE – horizontal input timing

PARAMETER SYMBOL VALUE UNIT
MIN. TYP. MAX
Horizontal display area thd 1024 DCLK
DCLK frequency
(frame rate 60Hz)
fclk 44.9 51.2 63 MHz
1 Horizontal Line th 1200 1344 1400 DCLK
HSYNC pulse width  thpw 1 140 DCLK
HSYNC back porch thbp 160 160 160 DCLK
HSYNC front porch thfp 16 160 216 DCLK

10.3.3 HV MODE – vertical input timing

PARAMETER SYMBOL VALUE UNIT
MIN. TYP. MAX
Vertical display area tvd 600 H
VSYNC period time tv 624 635 750 H
VSYNC pulse width tvpw 1 20 H
VSYNC back porch tvb 23 23 23 H
VSYNC front porch tVfp 1 12 127 H

10.3.4 Power on/off sequence

11. Capacitive touch screen panel specifications

11.1 Mechanical characteristics

DESCRIPTION INL SPECIFICATION REMARK
Touch Panel Size 7 inch
Product Thickness 2.3mm
Glass Thickness 1.1mm
Ink View Area 155.08mm x 87.42mm
Sensor Active Area 156.68mm x 88.52mm
Input Method 5 Finger
Activation Force Touch
Surface Hardness ≥7H

11.2 Electrical characteristics

DESCRIPTION SPECIFICATION
Operating Voltage DC 2.8~3.3V
Power Consumption (IDD) Active Mode 10~18mA
Sleep Mode 30~50μA
Interface I2C
Linearity <1.5%
Controller FT5426
I2C address 0x38 (7 bit address)
Resolution 1792*1024

11.3 Interface description

PIN NO. SYMBOL DESCRIPTION REMARK
1 VSS Power Ground
2 VDD Power For CTP
3 SCL I2C SCL
4 NC
5 SDA I2C SDA
6 NC
7 /RST Reset pin
8 NC No Connection
9 /INT Interrupt signal from CTP
10 VSS Power Ground

11.4 Interface timing characteristics

PARAMETER MIN MAX UNIT
SCL Frequency 0 400 kHz
Bus Free Time Between a STOP and START Condition 4.7 / μs
Hold Time (repeated) START Condition 4.0 / μs
Data Setup Time 250 / ns
Setup Time for Repeated START Condition 4.7 / μs
Setup Time for STOP Condition 4.0 / μs

11.5 I2C Read/Write Interface Description

Figure 5. Write N bytes to I2C slave

Figure 6. Set Data Address

Figure 7. Read X bytes from I2C Slave

11.6 Communication of the I2C interface with Host

Figure 8. Communication of the I2C interface with Host

11.7 Touch data read protocol

ADDRESS NAME BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0 HOST ACCESS
00h DEVIDE_MODE Device Mode[2:0] RW
01h GEST_ID Gesture ID[7:0] R
02h TD_STATUS Number of touch points[3:0] R
03h TOUCH1_XH 1st Event Flag 1st Touch X Position[11:8] R
04h TOUCH1_XL 1st Touch X Position[7:0] R
05h TOUCH1_YH 1st Touch ID[3:0] 1st Touch X Position[11:8] R
06h TOUCH1_YL 1st Touch Y Position[7:0] R
07h R
08h R
09h TOUCH2_XH 2nd Event Flag 2nd Touch X Position[11:8] R
0Ah TOUCH2_XL 2nd Touch X Position[7:0] R
0Bh TOUCH2_YH 2nd Touch ID[3:0] 2nd Touch X Position[11:8] R
0Ch TOUCH2_YL 2nd Touch Y Position[7:0] R
0Dh R
0Eh R
0Fh TOUCH3_XH 3rd Event Flag 3rd Touch X Position[11:8] R
10h TOUCH3_XL 3rd Touch X Position[7:0] R
11h TOUCH3_YH 3rd Touch ID[3:0] 3rd Touch X Position[11:8] R
12h TOUCH3_YL 3rd Touch Y Position[7:0] R
13h R
14h R
15h TOUCH4_XH 4th Event Flag 4th Touch X Position[11:8] R
16h TOUCH4_XL 4th Touch X Position[7:0] R
17h TOUCH4_YH 4th Touch ID[3:0] 4th Touch X Position[11:8] R
18h TOUCH4_YL 4th Touch Y Position[7:0] R
19h R
1Ah R
1Bh TOUCH5_XH 5th Event Flag 5th Touch X Position[11:8] R
1Ch TOUCH5_XL 5th Touch X Position[7:0] R
1Dh TOUCH5_YH 5th Touch ID[3:0] 5th Touch X Position[11:8] R
1Eh TOUCH5_YL 5th Touch Y Position[7:0] R

11.8 Data description

DEVICE_MODE

This register is the device mode register, configure it to determine the current mode of the chip.

ADRESS BIT ADRESS REGISTER NAME DESCRIPTION
00h 6:4 Device Mode [2:0] 000b Work Mode

100b Factory Mode – Read Raw Data

GEST_ID

This register describes the gesture of a valid touch.

ADRESS BIT ADRESS REGISTER NAME DESCRIPTION
01h 7:0 Gesture ID [7:0] Gesture ID

0x10 Move Up

0x14 Move Down

0x18 Move Right

0x48 Zoom In

0x49 Zoom Out

0x00 No Gesture

TD_STATUS

This register is the Touch Data status register.

ADRESS BIT ADRESS REGISTER NAME DESCRIPTION
02h 3:0 Number of Touch Points [2:0] How Many Points Detected

1-5 is Valid

7:4    

TOUCHn_XH(n:1-10)

This register describes MSB of the X coordinate of the nth touch point and the corresponding event flag.

ADRESS BIT ADRESS REGISTER NAME DESCRIPTION
03h

~

39h

7:6 Event Flag 00b: Put Down

01b: Put Up

10b: Contact

11b: Reserved

5:4   Reserved
3:0 Touch X Position [11:8] MSB of Touch X Position in Pixels

TOUCHn_XL(n:1-10)

This register describes LSB of the X coordinate of the nth touch point.

ADRESS BIT ADRESS REGISTER NAME DESCRIPTION
04h

~

3Ah

7:0 Touch X Position [7:0] LSB of the Touch X Position in Pixels

TOUCHn_YH(n:1-10)

This register describes MSB of the Y coordinate of the nth touch point and corresponding touch ID.

ADRESS BIT ADRESS REGISTER NAME DESCRIPTION
05h

~

3Bh

7:4 Touch ID[3:0] Touch ID of Touch Point
3:0 Touch X Position [11:8] MSB of Touch Y Position in Pixels

TOUCHn_YL(n:1-10)

This register describes LSB of the Y coordinate of the nth touch point.

ADRESS BIT ADRESS REGISTER NAME DESCRIPTION
05h

~

3Bh

7:0 Touch X Position [7:0] LSB of the Touch Y Position in Pixels

11.9 Interrupt Trigger Mode

Figure 9. Interrupt trigger mode timing

12. Inspection

Standard acceptance/rejection criteria for TFT module.

12.1. Inspection condition

Ambient conditions:

  •       Temperature: 25±°C
  •       Humidity: (60±10) %RH
  •       Illumination: Single fluorescent lamp non-directive (300 to 700 lux)

Viewing distance:

35±5cm between inspector bare eye and LCD.

Viewing Angle:

U/D: 45°/45°, L/R 45°/45°

12.2 Inspection standard

Item Criterion
Black spots, white spots, light leakage, Foreign Particle (round Type)

*Spots density: 10 mm

Size < 5”
Average Diameter Qualified Qty
D < 0.2 mm Ignored
0.2 mm < D < 0.3 mm 3
0.3 mm < D < 0.5 mm 2
0.5 mm < D 0
Size >= 5”
Average Diameter Qualified Qty
D<0.2 mm Ignored
0.2 mm < D < 0.3 mm 4
0.3 mm < D < 0.5 mm 2
0.5 mm < D 0
LCD black spots, white spots, light leakage (line Type)

*Spots density: 10 mm

Size < 5”
Length Width Qualified Qty
W< 0.02 Ignored
L < 3.0 0.02 < W <0.05 2
L < 2.5 0.05 < W <0.08
0.08 < W 0
Size >= 5”
Length Width Qualified Qty
W< 0.02 Ignored
L < 3.0 0.02 < W <0.05 4
L < 2.5 0.05 < W <0.08
0.08 < W 0
Item Criterion
Clear spots
Size < 5”
Average Diameter Qualified Qty
D < 0.2 mm Ignored
0.2 mm < D < 0.3 mm 3
0.3 mm < D < 0.5 mm 2
0.5 mm < D 0
Size >= 5”
Average Diameter Qualified Qty
D<0.2 mm Ignored
0.2 mm < D < 0.3 mm 4
0.3 mm < D < 0.5 mm 2
0.5 mm < D 0

*Spots density: 10 mm

Polarizer bubbles
Size < 5”
Average Diameter Qualified Qty
D < 0.2 mm Ignored
0.2 mm < D < 0.5 mm 3
0.5 mm < D < 1 mm 2
1 mm < D 0
Total Q’ty 3
Size >= 5”
Average Diameter Qualified Qty
D<0.25 mm Ignored
0.25 mm < D < 0.5 mm 3
0.5 mm < D 0
Electrical Dot Defect
Size < 5”
item Qualified Qty
Black do defect 4
Bright dot defect 2
Total Dot 5
Size >= 5”
item Qualified Qty
Black do defect 5
Bright dot defect 2
Total Dot 5
Item Criterion
Touch panel spot
Size < 5”
Average Diameter Qualified Qty
D < 0.2 mm Ignored
0.2 mm < D < 0.4 mm 5
0.4 mm < D < 0.5 mm 2
0.5 mm < D 0
Size >= 5”
Average Diameter Qualified Qty
D<0.25 mm Ignored
0.25 mm < D < 0.5 mm 4
0.5 mm < D 0
Touch panel White Line Scratch
Size < 5”
Length Width Qualified Qty
W< 0.02 Ignored
L < 3.0 0.02 < W <0.05 2
L < 2.5 0.05 < W <0.08
0.08 < W 0
Size >= 5”
Length Width Qualified Qty
W< 0.03 Ignored
L < 5.0 0.03 < W <0.05 2
0.05 < W 0

13. Reliability test

NO. TEST ITEM TEST CONDITION
1 High Temperature Storage 80°C/120hours
2 Low Temperature Storage -30°C/120hours
3 High Temperature Operating 70°C/120hours
4 Low Temperature Operating -20°C/120hours
5 High Temperature and High Humidity 40°C, 90%RH, 120hours
6 Thermal Cycling Test (No operation) -20°C for 30min, 70°C for 30 min × 100 cycles.Then rest at room temperature after 1 hour
7 Vibration Test Frequency:10~ 50Hz; Stroke: 1.5mm; Sweep: 10Hz~55Hz~10Hz; 2 hours for each direction of

6 hours total

8 Package Drop Test Height:60 cm

1 corner,3 edges, 6 surfaces

9 Electro Static Discharge ±2KV, Human Body Mode 100pF/1500Ω

Note:
1) Sample quantity for each test item is 5-10 pcs
2) Before cosmetic and function test, the product must have enough recovery time, at least 2 hours at room temperature.

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