Publication Date: March 6, 2026
Keywords: LS068I01-MP-V1, 6.8 inch LCD, 480x1280 TFT, IPS Display, MIPI DSI, COG Module, Automotive Grade, Industrial HMI, Medical Display, Wide Temperature, RoHS
1. Product Overview & General Description
The LS068I01-MP-V1 is a high-quality transmissive a-Si TFT-LCD module featuring an IPS panel for wide viewing angles. It is engineered for applications requiring a reliable, medium-sized display with excellent optical performance in demanding environments such as automotive dashboards, industrial control panels, and portable medical equipment.
Core Identity:
- Manufacturer: LESSON Smart Display Technology Co., Ltd. (立信(万安)智显科技有限公司)
- Model Number: LS068I01-MP-V1
- Module Type: COG + FPC + Backlight Unit (B/L)
- Revision: 1.0
- Document Title: PRODUCT SPECIFICATION FOR LCD MODULE
Fundamental Specifications:
- Display Type: Transmissive a-Si TFT-LCD (IPS Technology)
- Panel Size: 6.8 inch (Diagonal)
- Resolution: 480 (RGB) × 1280 pixels
- Display Colors: Up to 16.7 Million colors
- Construction: Composed of a TFT-LCD panel, a driver circuit, and a backlight unit.
2. Absolute Maximum Ratings
Stresses beyond these limits may cause permanent damage to the module. Functional operation under these conditions is not implied.
| Item | Symbol | Min | Max | Unit | Remark |
|---|---|---|---|---|---|
| Supply Voltage | VCC | -0.3 | 6.6 | V | Note1, Note2 |
| Supply Voltage | IOVCC | -0.3 | 5.5 | V | Note1, Note2 |
| Operating Temperature | TOPR | -20 | 70 | °C | Note1, Note2 |
| Storage Temperature | TSTR | -30 | 80 | °C | Note1, Note2 |
Notes:
- All voltages are referenced to GND.
- Exceeding these ratings may degrade performance or cause failure.
3. Electrical Characteristics
3.1 DC Characteristics & Power Supply
- Main LCD Driver IC: FL7707 (as indicated in outline dimension notes).
- Typical Power Supply Voltages: Based on the driver IC and interface, typical logic (IOVCC) levels are 1.8V or 3.3V. Panel drive voltages (VCI, VGH, VGL) are generated internally or supplied externally as per the FL7707 datasheet.
3.2 Backlight Unit (BLU) Characteristics
The backlight is a key component with specific driving requirements.
| Parameter | Specification | Unit | Notes |
|---|---|---|---|
| Backlight Configuration | 3 Series, 4 Parallel (3S4P) | - | Total of 12 LEDs |
| LED Forward Voltage (Vf) | 8.8 ~ 10.4 | V | Per string (3 LEDs in series) |
| LED Forward Current (If) | 120mA, 140mA, 160mA | mA | Constant current drive for different brightness levels |
| Target Luminance | 400, 500, 600 | cd/m² | Typ. corresponding to 120mA, 140mA, 160mA |
Backlight Circuit Diagram: A schematic is provided in the specification's outline dimension section, indicating the connection of the LED strings to the driver.
Critical Note: The backlight driver must be a constant current source configured for the 3S4P topology and capable of providing the required Vf range (8.8V-10.4V) at the selected current.
4. Mechanical Specifications
Detailed dimensions are critical for proper integration into the end product.
| Item | Specification | Unit | Description |
|---|---|---|---|
| Module Size (H × V × D) | 66.6 × 180.9 × 4.35 | mm | Overall module dimensions: Height, Width, Depth |
| Active Area (H × V) | 60.22 × 160.5888 | mm | Viewable display area |
| Number of Dots (Pixels) | 480(RGB) × 1280 | pixel | Resolution |
| Outline Dimension Tolerance | As per drawing | - | Refer to official drawing for specific tolerances |
Key Mechanical Design Guidelines from Spec:
- Bezel Opening (可视区域): The housing's viewing window should be >0.3mm larger per side than the Active Area (AA) to avoid cropping the image.
- Gasket/Sponge Opening (机壳泡棉开窗): The internal cushioning gasket's opening should be >0.6mm larger per side than the AA to prevent mechanical pressure on the display area.
- FPC Insertion: The FPC has a designated insertion path and bending area ("FPC由此插入", "弯折示意图"). Follow the bending radius guidelines to prevent damage.
- TP Edge Isolation: The touch panel (TP) edge must not contact any metal conductors.
- Tolerance: Unspecified tolerances on segments relative to the glass edge are typically ±0.2mm.
- ROHS Compliance: The module is compliant with RoHS environmental directives.
Mechanical Drawing Reference: The specification contains detailed front, side, and rear view drawings with all critical dimensions, FPC location, connector pinout (PIN A, PIN K), and the LED circuit diagram.
5. Interface & Pin Description
The module uses an FPC connector for interface. The pin description table in the spec details the function of each pin.
Example Pin from Document:
| PIN NO. | Symbol | I/O | Description |
|---|---|---|---|
| 40 | NC | - | No Connection |
Interface Type: The module utilizes a MIPI DSI (Display Serial Interface) for data transfer, as indicated by the extensive timing characteristics for High-Speed (HS) and Low-Power (LP) modes.
6. MIPI DSI Timing Characteristics
The specification provides comprehensive timing parameters for reliable communication with a host processor.
6.1 High-Speed (HS) Mode Timing
Includes parameters for clock timing (TCLK-PREPARE, TCLK-ZERO, TCLK-POST, TCLK-TRAIL) and data channel timing (THS-PREPARE, THS-ZERO, THS-TRAIL, THS-EXIT). Key specifications ensure proper signal integrity during high-speed data bursts.
Example HS Mode Specs (VSSA=0V, IOVCC=1.65V to 3.3V, VCI=2.5V to 3.3V, TA = -30 to 70°C):
- Detailed tables define minimum, typical, and maximum values for each timing parameter in nanoseconds (ns) or Unit Intervals (UI).
6.2 Low-Power (LP) Mode Timing
Defines timing for control states during low-power operation and bus turnaround (BTA).
Example LP Mode Specs (VSSA=0V, IOVCC=1.65V to 3.3V, VCI=2.3V to 3.3V, TA = -30 to 70°C):
| Signal | Item | Symbol | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| DSI_D0P/ DSI_D0N | LP state period (Host → Module) | TLPXM | 50 | - | - | ns |
| DSI_D0P/ DSI_D0N | LP state period (Module → Host) | TLPXD | 50 | - | - | ns |
| - | Time-out before MPU starts driver | TTA-SURE | TLPXD | - | 2xTLPXD | ns |
| - | Time to drive LP-00 by module | TTA-GET | 5xTLPXD | - | - | ns |
| - | Time to drive LP-00 after host request | TTAGO | 4xTLPXD | - | - | ns |
6.3 Reset Input Timing
Proper reset sequencing is crucial for stable operation.
| Symbol | Parameter | Related Pins | Min. | Typ. | Max. | Note | Unit |
|---|---|---|---|---|---|---|---|
| tRESW | Reset low pulse width | NRESET | 10 | - | - | - | μs |
| tREST | Reset complete time | - | 15 | - | - | When reset in SLPIN mode | ms |
| tREST | Reset complete time | - | 120 | - | - | When reset in SLPOUT mode | ms |
7. Electro-Optical Characteristics
Measurement Conditions: The module should be stabilized at 25°C for 30 minutes. Backlight should be on for 30 minutes in a windless room. Ambient luminance <1 lux. Measurement is performed at the center of the screen.
Key Optical Definitions:
- Viewing Angle: Defined in a spherical coordinate system (θ, φ). The spec includes a diagram for reference.
- Contrast Ratio (CR): Calculated as CR = L₂₅₅ / L₀, where L₂₅₅ is luminance at gray level 255 (white) and L₀ is luminance at gray level 0 (black).
- Response Time: Defined as Tr (rise time, 10% to 90%) and Tf (fall time, 90% to 10%).
Typical Optical Performance (Based on backlight drive):
- Luminance: 400 cd/m² (Typ @120mA), 500 cd/m² (Typ @140mA), 600 cd/m² (Typ @160mA).
- Viewing Angle: IPS technology provides wide viewing angles, typically ≥80° in all directions (Left/Right/Up/Down) with low color shift.
- Contrast Ratio: Expected to be >800:1 (Typical).
8. Inspection & Quality Standards
The specification includes detailed acceptance criteria for visual and electrical defects, ensuring consistent quality.
8.1 Appearance Defects (View Area)
| No. | Defect Item | Criteria (ψ = (L+W)/2) | Allowable Count | Remark |
|---|---|---|---|---|
| 2 | Polarizer bubble, concave/convex | ψ ≤ 0.2mm | Disregard | Out of AA is disregarded |
| 0.2mm < ψ ≤ 0.3mm | 2 | |||
| 0.3mm < ψ ≤ 0.5mm | 1 | |||
| ψ > 0.5mm | 0 (Reject) | |||
| 3 | Black/dirty dots, impurities | ψ ≤ 0.15mm | Disregard | Out of AA is disregarded |
| 0.15mm < ψ ≤ 0.25mm | 2 | |||
| 0.25mm < ψ ≤ 0.3mm | 1 | |||
| ψ > 0.3mm | 0 (Reject) | |||
| 12 | Scratch (Fiber, glass, polarizer) | Width (W) ≤ 0.03mm | Disregard | Out of AA is disregarded |
| 0.03mm < W ≤ 0.05mm; Length (L) ≤ 3.0mm | 2 | |||
| 0.05mm < W ≤ 0.1mm; L ≤ 3.0mm | 1 | |||
| W > 0.1mm; L > 3.0mm | 0 (Reject) |
8.2 Electrical Defects (Major - Reject)
| No. | Defect Item | Criteria |
|---|---|---|
| 1 | No Display | Reject |
| 2 | Missing Line | Reject |
| 3 | Seg-com Light and Dark | Reject (ND filter 2% test) |
| 4 | No Display in Immobility | Reject |
| 5 | Flicker of Pattern | Reject |
| 6 | Mura (Non-uniformity) | Reject (ND filter 2% test) |
| 7 | Over Current | Reject |
| 8 | Voltage out of specification | Reject |
| 9 | Pattern blur / Error code | Reject |
| 10 | Dark Light, Flicker | Reject |
9. Application Scenarios & Selection Rationale
1. Automotive Center Stack / Secondary Display:
- Why it fits: The 6.8" size and 480x1280 (tall) resolution are ideal for vehicle infotainment systems, climate control displays, or rear-seat entertainment controllers. The wide IPS viewing angle ensures visibility for both driver and passenger. The -20°C to 70°C operating range covers automotive interior requirements.
2. Industrial Human-Machine Interface (HMI):
- Why it fits: Robust construction, clear inspection standards, and wide temperature operation make it suitable for factory automation panels, PLC interfaces, and test equipment. The MIPI interface offers noise-resistant communication. High brightness options (up to 600 cd/m²) allow use in well-lit environments.
3. Portable Medical & Diagnostic Devices:
- Why it fits: The size is appropriate for handheld ultrasound devices, patient monitors, or portable diagnostics. IPS technology provides accurate color representation, which can be important for certain imaging applications. RoHS compliance is essential for medical equipment regulations.
4. Premium Consumer & IoT Devices:
- Why it fits: High-quality display for smart home controllers, high-end POS systems, or advanced instrumentation. The 16.7M color depth and good optical performance enhance the user experience.
10. Summary & Integration Notes
The LS068I01-MP-V1 is a versatile and reliable 6.8-inch IPS TFT-LCD module designed for performance in challenging applications.
Key Strengths:
- IPS Panel: Excellent viewing angles and color consistency.
- Robust Design: Wide operating temperature (-20°C to +70°C) and detailed quality standards.
- Modern Interface: MIPI DSI for high-speed, low-noise data transfer.
- Flexible Brightness: Backlight configurable for 400-600 cd/m² output.
Critical Integration Checklist:
- Power & Reset: Adhere to absolute maximum ratings and reset timing (tRESW ≥ 10μs).
- Backlight Driver: Use a constant current driver for the 3S4P LED configuration (Vf 8.8-10.4V).
- MIPI Host: Ensure host processor D-PHY meets the HS/LP mode timing requirements.
- Mechanical Design: Strictly follow the bezel and gasket opening guidelines (+0.3mm, +0.6mm from AA) and FPC bending instructions from the outline drawing.
- Thermal Management: Consider heat dissipation for the backlight, especially when driving at higher currents (140-160mA) for extended periods.
Disclaimer: This technical summary is based on the provided excerpts from the LS068I01-MP-V1 specification. For complete details, critical dimensions, and final design verification, always obtain and consult the official "LS068I01-MP-V1(SPEC).pdf" document from LESSON Smart Display Technology Co., Ltd. Specifications are subject to change.
