LESSON LS030T04-R-V1 Display Module: Complete Specification Analysis

Lixin (Wan'an) Intelligent Display Technology Co., Ltd. presents the LS030T04-R-V1, a 3.0-inch TFT-LCD module specifically designed for mobile phone applications. This module features a compact design, high-quality display characteristics, and comprehensive specifications for reliable integration.


Product Overview

Model: LS030T04-R-V1
Document: LS030T04-R-V1(SPEC).pdf
Release Date: 2017-07-28
Upload Date: 2025-12-23
Module Type: COG (Chip-on-Glass) + FPC
Application: Mobile Phone
Material: ROHS Compliant


General Specifications

Item Standard Value Unit
LCD Type TFT Transmissive -
Driver Element TFT Active Matrix -
Number of Dots 320×(RGB)×240 Dots
Pixel Arrangement RGB Vertical Stripe -
Dot Size (W×H) / mm
Dot Pitch (W×H) 0.146×0.146 mm
Active Area 36.84×65.52 mm
Viewing Area (W×H) 39.34×67.81 mm
Glass Area (W×H) / mm
LCD Duty / -
LCD Bias / -
Viewing Direction 6:00 O'CLOCK -
Control IC ILI8961 -
Module Size (W×H×T) 42.64×74.51×2.25±0.1 mm
Approx. Weight TBD g
Back Light 4 White LED -

Module Structure and Features

1. Display Structure:

  • Single Display Structure: TFT MODULE + BL (Backlight)
  • Main LCD: 3.0-inch TFT LCD with FULL 65K Color
  • Technology: One bare chip with gold bump (COG Technology)
  • Interface: SPI 8 BIT RGB interface

2. TFT Features:

  • Structure: TFT PANEL + IC + FPC + BL
  • Type: Transmissive Type LCD
  • Outputs: 240 dot-source and 960 dot-gate outputs
  • Color Selection: 65K Color can be selected by software
  • Backlight: White LED back light
  • Interface: SPI 8BIT RGB interface

3. Applications:

  • Primary: Mobile Phone
  • Secondary: Portable devices requiring compact displays

Mechanical Drawing Specifications

Overall Dimensions:

  • Module Size: 42.64±0.1(W) × 74.51(H) × 2.25±0.1(T) mm
  • Active Area: 36.84(W) × 65.52(H) mm
  • Viewing Area: 39.34(W) × 67.81(H) mm

Key Mechanical Features:

  1. Display Type: Main LCD: 3.0" TFT, Transmissive
  2. Operating Temperature: -20°C to 70°C
  3. Storage Temperature: -30°C to 80°C
  4. Backlight: 4 CHIP-WHITE LED
  5. Unspecified Tolerances: ±0.2mm

FPC Specifications:

  • Connector: 40-pin FPC connector
  • Pitch: 0.5mm
  • Pin Count: 39 pins (19.5mm length)
  • Reinforcement: PI补强 (PI reinforcement) T0.3MM

Circuit Diagram Notes:

  • Single Layer Area: 960×240单层区
  • Design Date: 2015.03.25
  • Software: Tutodesk教育版产品制作
  • Approvals: 电子审核, 结构审核, 设计

RGB Interface Pin Function (40-pin)

NO. SYMBOL Description
1 VCOM VCOM voltage
2 K LED negative
3 A LED positive
4 DRV capacitor
5 VCAC capacitor
6 COMDC capacitor
7 FRP capacitor
8 AGND capacitor
9 VGL capacitor
10 VGH capacitor
11 V4M capacitor
12 V4P capacitor
13 VINT3 capacitor
14 VIN4 capacitor
15 V3M capacitor
16 V3P capacitor
17 VINT1 capacitor
18 V2M capacitor
19 V2P capacitor
20 V1N capacitor
21 V1P capacitor
22 DVDD capacitor
23 IOVCC Power 1.8-2.8V
24 VCC Power +2.8V
25 GND Ground
26-33 D0-D7 LCD Data bus
34 DCLK Clock signal
35 VS Vertical Sync input
36 HS Horizontal Sync input
37 SCL Serial communication clock input
38 SDA Serial communication data input
39 CS Chip selection
40 VCOM VCOM

Pin Layout Details:

  • Data Bus: D0-D7 (8-bit data bus)
  • Control Signals: VS, HS, DCLK for timing control
  • Serial Interface: SCL, SDA, CS for configuration
  • Power Pins: Multiple power domains with capacitor connections

Absolute Maximum Ratings

Parameter Symbol Min Max Unit
Supply voltage for logic VDD -0.3 3.3 V
Input voltage for logic VIN -0.5 VDD+0.3 V
Supply current (one LED) ILED - 20 mA
Operating temperature TOP -20 +70 °C
Storage temperature TST -30 +80 °C

Electrical Characteristics

Item Symbol Min Typ Max Unit Applicable terminal
Supply voltage for logic VDDI 1.65 1.8 2.8 V IOVCC
Supply voltage (DC/DC) VDD 2.4 2.8 3.3 V VDD
Input voltage (Low) VIL VSS - 0.3×VDDI V -
Input voltage (High) VIH 0.7×VDDI - VDD V -
Input leakage current ILKG - - - μA -
LED Forward voltage Vf - 3.2 - V -
Input backlight current ILED(one LED) - 15 - mA -

Power Supply Notes:

  • Logic Supply: 1.65-2.8V typical at 1.8V
  • DC/DC Supply: 2.4-3.3V typical at 2.8V
  • LED Current: 15mA typical per LED (4 LEDs total)

Optical Characteristics

Basic Optical Parameters:

ITEM SYMBOL CONDITION MIN TYP MAX UNIT NOTE
Brightness B Viewing normal angle TBD 500 TBD Cd/m² All left side data are based on SHENGJING's product reference only
Contrast Ratio CR Viewing normal angle - 500 - - All left side data are based on SHENGJING's product reference only
Response Time Tr+Tf Viewing normal angle - 25 40 ms All left side data are based on SHENGJING's product reference only

CIE Color Coordinates:

Color Coordinate SYMBOL CONDITION MIN TYP MAX NOTE
Red X coordinate XR Viewing normal angle 0.614 0.644 0.674 All left side data are based on SHENGJING's product reference only
Red Y coordinate YR Viewing normal angle 0.290 0.320 0.350 All left side data are based on SHENGJING's product reference only
Green X coordinate XG Viewing normal angle 0.270 0.300 0.330 All left side data are based on SHENGJING's product reference only
Green Y coordinate YG Viewing normal angle 0.540 0.570 0.600 All left side data are based on SHENGJING's product reference only
Blue X coordinate XB Viewing normal angle 0.104 0.134 0.164 All left side data are based on SHENGJING's product reference only
Blue Y coordinate YB Viewing normal angle 0.097 0.127 0.157 All left side data are based on SHENGJING's product reference only
White X coordinate Xw Viewing normal angle 0.267 0.297 0.327 All left side data are based on SHENGJING's product reference only
White Y coordinate Yw Viewing normal angle 0.302 0.332 0.362 All left side data are based on SHENGJING's product reference only

Viewing Angle Specifications:

Direction SYMBOL CONDITION MIN TYP MAX UNIT NOTE
Horizontal (+) θx+ Center CR>=10 - 45 - Deg All left side data are based on SHENGJING's product reference only
Horizontal (-) θx- Center CR>=10 - 45 - Deg All left side data are based on SHENGJING's product reference only
Vertical (+) θy+ Center CR>=10 - 35 - Deg All left side data are based on SHENGJING's product reference only
Vertical (-) θy- Center CR>=10 - 15 - Deg All left side data are based on SHENGJING's product reference only
Uniformity Un - - 58 - % -

Optical Definitions

1. Viewing Angle Definition (θx and θy):

Normal: θx=0, θy=0°
12 o'clock direction: θx-=90°, θy+=90°
6 o'clock direction: θx+=90°, θy-=90°

2. Contrast Ratio Definition:

CR = Brightness of non-selected dots (white) / Brightness of selected dots (black)

3. Response Time Definition (TR):

Time Brightness
Tr 10%
Tf 90%

Handling and Storage Cautions

8.1 Handling of LCM:

  • ESD Protection: Be sure to ground the body when handling the LCM
  • Mechanical Shock: Don't give external shock
  • Surface Protection: Don't apply excessive force on the surface
  • Liquid Crystal Safety:
    • Liquid in LCD is hazardous substance. Must not lick and swallow
    • When the liquid attaches to your hand, skin, cloth etc., wash it out thoroughly and immediately
  • Electrical Limits: Don't operate it above the absolute maximum rating
  • Disassembly: Don't disassemble the LCM

8.2 Storage Conditions:

  • Temperature: Store in an ambient temperature of 5°C to 45°C
  • Humidity: Relative humidity of 40% to 60%
  • Light Exposure: Don't expose to sunlight or intensive ultraviolet rays
  • Environment: Store in a clean environment, free from dust, active gas, and solvent
  • ESD Protection: Store in anti-static electricity container
  • Physical Load: Store without any physical load

Quality Inspection Standards

9.1 Visual & Function Inspection Standard

Inspection Conditions:

  • Temperature: 25±5°C
  • Humidity: 65%±10% RH
  • Viewing Angle: Normal viewing angle
  • Illumination: Single fluorescent lamp (300 to 700 Lux)
  • Viewing Distance: 30-50cm

Zone Definitions:

  • Zone A: Effective Viewing Area (Character or Digit can be seen)
  • Zone B: Viewing Area except Zone A
  • Zone C: Outside (Zone A+Zone B) which cannot be seen after assembly by customer

Note: As a general rule, visual defects in Zone C can be ignored when it doesn't affect product function or appearance after assembly by customer.

Sampling Plan:

  • Standard: According to GB/T 2828-2003, normal inspection, Class II
  • AQL: Major defect: 0.65, Minor defect: 1.5

Inspection Items and Criteria:

No Items to be inspected Criteria Classification
1 Functional defects 1) No display, Open or miss line
2) Display abnormally, Short
3) Backlight no lighting, abnormal lighting
4) TP no function
Major
2 Missing Missing component Major
3 Outline dimension Overall outline dimension beyond the drawing is not allowed Major
4 Color tone Color unevenness, refer to limited sample Minor
5 Soldering appearance Good soldering, Peeling off is not allowed Minor
6 LCD/Polarizer/TP Black/White spot/line, scratch, crack, etc. Minor

Visual Defect Criteria

1.0 LCD Crack/Broken:

Defect Type Criteria Note
Edge of LCD broken X ≤ 3.0mm X: Length
LCD corner broken - -

2.0 Spot Defect (Φ=(X+Y)/2):

① Light Dot (LCD/TP/Polarizer black/white spot, light dot, pinhole, dent, stain):

Zone Size (mm) Zone A Acceptable Qty Zone B Acceptable Qty
Φ ≤ 0.10 Ignore Ignore
0.10 < Φ ≤ 0.15 3 (distance ≥ 10mm) 3 (distance ≥ 10mm)
0.15 < Φ ≤ 0.2 1 1
0.2 < Φ 0 0

② Dim Spot (LCD/TP/Polarizer dim dot, light leakage, dark spot):

Zone Size (mm) Zone A Acceptable Qty Zone B Acceptable Qty
Φ ≤ 0.1 Ignore Ignore
0.1 < Φ ≤ 0.2 2 (distance ≥ 10mm) 2 (distance ≥ 10mm)
0.2 < Φ ≤ 0.3 1 1
Φ > 0.3 0 0

③ Polarizer Accidented Spot:

Zone Size (mm) Zone A Acceptable Qty Zone B Acceptable Qty
Φ ≤ 0.2 Ignore Ignore
0.2 < Φ ≤ 0.5 2 (distance ≥ 10mm) 2 (distance ≥ 10mm)

Line Defect (LCD/TP/Polarizer black/white line, scratch, stain):

  • Width ≤ 0.08mm: Define as spot defect
  • Width > 0.08mm: Define as spot defect

3.0 Polarizer Bubble:

Zone Size (mm) Zone A Acceptable Qty Zone B Acceptable Qty
Φ ≤ 0.2 Ignore Ignore
0.2 < Φ ≤ 0.4 2 (distance ≥ 10mm) 2 (distance ≥ 10mm)
0.4 < Φ ≤ 0.6 1 1
0.6 < Φ 0 0

4.0 SMT (Surface Mount Technology):

  • Standard: According to IPC-A-610C class II standard
  • Major Defects: Function defect and missing part
  • Minor Defects: All others

5.0 TP (Touch Panel) Related:

TP Bubble/Accidented Spot:

Size Φ(mm) Zone A Acceptable Qty
Φ ≤ 0.1 Ignore
0.1 < Φ ≤ 0.2 2
0.2 < Φ ≤ 0.3 1
0.3 < Φ 0

Assembly Deflection: Beyond the edge of backlight ≤ 0.15mm

TP Crack/Broken:

  • TP Corner Broken: X ≤ 3.0mm, Y ≤ 3.0mm, Z < LCD thickness
  • TP Edge Broken: X ≤ 6.0mm, Y ≤ 2.0mm, Z < LCD thickness
  • Circuitry Broken: Not allowed

Functional Inspection Criteria

Number Items Criteria (mm)
1 No display Not allowed
2 Missing segment Not allowed
3 Short Not allowed
4 Backlight no lighting Not allowed
5 TP no function Not allowed

Technical Features Summary

1. Display Performance:

  • Resolution: 320×240 pixels (QVGA format)
  • Color Depth: 65K colors (16-bit color)
  • Brightness: 500 cd/m² typical
  • Contrast Ratio: 500:1 typical
  • Response Time: 25ms typical, 40ms maximum

2. Interface Capabilities:

  • Primary Interface: 8-bit RGB parallel interface
  • Control Interface: SPI for configuration (SCL, SDA, CS)
  • Timing Signals: VS, HS, DCLK for video synchronization
  • Data Bus: 8-bit (D0-D7) for pixel data

3. Power Management:

  • Logic Supply: 1.8V typical (1.65-2.8V range)
  • Display Supply: 2.8V typical (2.4-3.3V range)
  • Backlight: 4 white LEDs, 15mA each typical
  • Power Sequencing: Requires proper power-up sequence

4. Mechanical Design:

  • Compact Size: 42.64×74.51×2.25mm
  • COG Technology: Chip-on-Glass for space savings
  • FPC Connector: 40-pin, 0.5mm pitch
  • Viewing Direction: 6 o'clock orientation

Application Integration Guidelines

1. Mobile Phone Integration:

  • Space Optimization: Compact design suitable for mobile devices
  • Power Efficiency: Optimized for battery-powered operation
  • Interface Compatibility: Standard RGB interface for mobile processors
  • Reliability: Designed for mobile environment durability

2. Electrical Integration:

  • Power Sequencing: Follow recommended power-up sequence
  • Signal Integrity: Maintain proper timing for RGB signals
  • ESD Protection: Implement ESD protection on interface lines
  • Backlight Control: Proper current limiting for LED backlight

3. Mechanical Integration:

  • Mounting: Secure mounting to prevent mechanical stress
  • Connector: Proper FPC connector alignment and pressure
  • Clearance: Maintain proper clearance around display edges
  • Protection: Implement protective measures against impact

4. Software Integration:

  • Driver Initialization: Proper initialization sequence for ILI8961 controller
  • Timing Configuration: Set appropriate timing parameters for RGB interface
  • Color Calibration: Adjust color settings for optimal display quality
  • Power Management: Implement sleep/wake sequences for power saving

Development Support

1. Reference Materials:

  • Datasheet: Complete electrical and mechanical specifications
  • Application Notes: Integration guidelines for mobile applications
  • Test Procedures: Quality verification and testing methods
  • Compliance Documentation: ROHS and environmental compliance

2. Technical Support:

  • Interface Guidance: RGB timing and signal requirements
  • Power Management: Optimal power sequencing recommendations
  • Troubleshooting: Common issues and solutions
  • Customization: Limited customization options for volume orders

3. Quality Assurance:

  • Testing Standards: Comprehensive visual and functional testing
  • Defect Criteria: Clear acceptance criteria for various defects
  • Sampling Methods: Statistical sampling per GB/T 2828-2003
  • Reliability: Designed for mobile phone reliability requirements

Ordering Information

Item Specification
Model Number LS030T04-R-V1
Package Type COG + FPC
Connector 40-pin, 0.5mm pitch
Minimum Order Contact factory for details
Lead Time 6-8 weeks standard
ROHS Compliance Yes
Documentation Complete specification available

Keywords for Technical Search

  • Mobile Display: 3.0 inch mobile phone display, QVGA TFT for phone
  • Interface: RGB interface display, 8-bit parallel interface
  • Controller: ILI8961 display controller, COG technology display
  • Specifications: 320x240 TFT, 65K color display, 500 cd/m² brightness
  • Application: Mobile phone LCD module, portable device display
  • Quality: ROHS compliant display, mobile-grade reliability

The LS030T04-R-V1 represents a mature, reliable display solution specifically optimized for mobile phone applications, offering a balance of performance, size, and power efficiency suitable for portable devices.