News

LESSON LS29I01-L-V1 29-Inch TFT-LCD Module: Complete Technical Specification

Document Revision: 1.0
Publication Date: February 6, 2026 (Upload Date: 2026-02-06)
Keywords: LS29I01-L-V1, 29 inch LCD, Ultra Wide, 1920x614, COG+FPC, 12V Power, LVDS, Industrial Display, High Brightness, Module


1. GENERAL DESCRIPTION

1.1 Product Overview

LS29I01-L-V1 is a 29-inch ultra-wide format TFT-LCD module manufactured by LESSON Smart Display Technology Co., Ltd. (立信(万安)智显科技有限公司). This module features a COG (Chip-On-Glass) + FPC (Flexible Printed Circuit) + B/L (Backlight) construction, providing a complete display solution ready for integration into end-user systems.

The module is designed for industrial and commercial applications requiring wide-format displays with high reliability and standard LVDS interface compatibility.

1.2 Key Features

  • Ultra-Wide Format: 29-inch diagonal with 1920×614 resolution
  • Complete Module: COG+FPC+B/L construction
  • Standard Interface: LVDS with 2-channel configuration
  • Industrial Power: 12V DC power supply
  • High Reliability: Designed for industrial environments
  • Wide Operating Temperature: 0°C to +50°C
  • Multiple Test Patterns: For power design verification

2. MECHANICAL SPECIFICATION

2.1 Module Dimensions

Item Specification Unit
Module Size (H×V×D) 772 × 255 × 17.8 mm
Active Area (H×V) 698 × 225.4 mm
Number of Dots 1920(RGB) × 614 pixel
Aspect Ratio Approximately 3.1:1 -

Note: The 1920×614 resolution creates an ultra-wide format suitable for dashboard displays, control panels, and information boards.

2.2 Mechanical Notes

  • Construction: COG (Chip-On-Glass) technology with FPC connection
  • Backlight: Integrated backlight unit
  • Mounting: Standard mounting holes (not specified in provided content)
  • Weight: Not specified in provided content

3. ABSOLUTE MAXIMUM RATINGS

Warning: Stresses beyond these ratings may cause permanent damage to the module.

Item Symbol Min Max Unit Conditions
Logic/LCD Drive Voltage V<sub>DD</sub> -0.3 14 V<sub>DC</sub> Note 1
Input Voltage of Signal V<sub>IN</sub> -0.3 4 V<sub>DC</sub> Note 1
Operating Temperature T<sub>OP</sub> 0 +50 °C Note 2
Operating Humidity H<sub>OP</sub> 10 90 %RH Note 2
Storage Temperature T<sub>ST</sub> -20 +60 °C Note 2
Storage Humidity H<sub>ST</sub> 10 90 %RH Note 2
Panel Surface Temperature P<sub>ST</sub> - 65 °C Note 3

Notes:

  1. Note 1: Voltage specifications are DC values
  2. Note 2: Temperature and humidity ranges for reliable operation
  3. Note 3: Maximum panel surface temperature to prevent damage

4. ELECTRICAL CHARACTERISTICS

4.1 Power Supply Requirements

Item Item Symbol Min. Typ. Max. Unit Note
Power Supply Input Voltage   V<sub>DD</sub> 10.8 12 13.2 V 1
Power Supply Input Current Black pattern I<sub>DD</sub> - 0.34 0.41 A 2
Power Supply Input Current White pattern I<sub>DD</sub> - 0.36 0.43 A 2
Power Supply Input Current H-strip pattern I<sub>DD</sub> - 0.5 0.6 A 2
Power Consumption Black pattern P<sub>C</sub> - 4.08 4.92 Watt 2
Power Consumption White pattern P<sub>C</sub> - 4.32 5.16 Watt 2
Power Consumption H-strip pattern P<sub>C</sub> - 6 7.2 Watt 2
Inrush Current Inrush Current I<sub>RUSH</sub> -- - 4 A 3

4.2 Electrical Notes

Note 1. Power Supply Requirements:

  • The ripple voltage should be fewer than 10% of V<sub>DD</sub>
  • Minimum V<sub>DD</sub> (including ripple minimum) must be over 10.8V at any time
  • Typical operating voltage: 12V DC

Note 2. Test Conditions:

  1. V<sub>DD</sub> = 12V
  2. F<sub>V</sub> = 60Hz (Vertical refresh rate)
  3. F<sub>CLK</sub> = 74.25MHz (Pixel clock frequency)
  4. Temperature = 25°C
  5. Power dissipation check patterns (for power design only):
    • a. Black pattern
    • b. White pattern
    • c. H-Strip pattern

Note 3. Inrush Current Measurement:

  • Rising time = 400μs
  • Measurement condition table:
Time (μs) Percentage (%)
90 90%
10 10%

Pattern Note: The test pattern sequence appears to be: "GGRBR0GGRBR一GGRBRGGRBR" (may represent specific color patterns for testing).


5. MODULE FUNCTION DESCRIPTION

5.1 Block Diagram of LCM

TFT-LCD ← Back Light ← Soure Driver ← Gate Driver ← Interface

Simplified Block Diagram:

  • Interface: Receives LVDS signals
  • Gate Driver: Controls row selection
  • Source Driver: Controls column data
  • Back Light: Provides illumination
  • TFT-LCD: Display panel

5.2 Pin Description

Connector: JAE FI-RTE51SZ-HF or Starconn 115E51-0000RA-M3-R (51-pin connector)

Pin Assignment Table:

PIN Symbol Description Note PIN Symbol Description Note
1 N.C. No Connection 2 26 GND or N.C. Ground or No Connection 7
2 SCL I2C Clock 3,4 27 N.C. No Connection 2
3 WP Write Protection 3,5 28 CH2_0- LVDS Channel 2, Signal 0-  
4 SDA I2C Data 3,4 29 CH2_0+ LVDS Channel 2, Signal 0+  
5 N.C. No Connection 2 30 CH2_1- LVDS Channel 2, Signal 1-  
6 N.C. No Connection 2 31 CH2_1+ LVDS Channel 2, Signal 1+  
7 LVDS_SEL LVDS data format selection 3,6 32 CH2_2- LVDS Channel 2, Signal 2-  
8 N.C. No Connection 2 33 CH2_2+ LVDS Channel 2, Signal 2+  
9 N.C. No Connection 2 34 GND Ground  
10 N.C. No Connection 2 35 CH2_CLK- LVDS Channel 2, Clock -  
11 GND Ground   36 CH2_CLK+ LVDS Channel 2, Clock +  
12 CH1_0- LVDS Channel 1, Signal 0-   37 GND Ground  
13 CH1_0+ LVDS Channel 1, Signal 0+   38 CH2_3- LVDS Channel 2, Signal 3-  
14 CH1_1- LVDS Channel 1, Signal 1-   39 CH2_3+ LVDS Channel 2, Signal 3+  
15 CH1_1+ LVDS Channel 1, Signal 1+   40 N.C. No Connection 2
16 CH1_2- LVDS Channel 1, Signal 2-   41 N.C. No Connection 2
17 CH1_2+ LVDS Channel 1, Signal 2+   42 GND Ground  
18 GND Ground   43 GND Ground  
19 CH1_CLK- LVDS Channel 1, Clock -   44 GND Ground  
20 CH1_CLK+ LVDS Channel 1, Clock +   45 GND Ground  
21 GND Ground   46 GND Ground  
22 CH1_3- LVDS Channel 1, Signal 3-   47 N.C. No Connection 2
23 CH1_3+ LVDS Channel 1, Signal 3+   48 V<sub>DD</sub> Power Supply Input Voltage  
24 N.C. No Connection 2 49 V<sub>DD</sub> Power Supply Input Voltage  
25 N.C. No Connection 2 50 V<sub>DD</sub> Power Supply Input Voltage  
        51 V<sub>DD</sub> Power Supply Input Voltage  

Pin Notes:

  1. Power Pins (48-51): Multiple V<sub>DD</sub> pins for 12V power input
  2. Ground Pins: Multiple GND pins for proper grounding
  3. LVDS Interface: 2-channel LVDS (Channel 1 and Channel 2)
  4. Control Pins: I2C (SCL, SDA), Write Protection (WP), LVDS format selection (LVDS_SEL)
  5. No Connection Pins: Marked as N.C. - should be left unconnected

6. INPUT SIGNAL TIMING SPECIFICATIONS

6.1 Timing Parameters

Signal Item Symbol Min. Typ. Max. Unit
Vertical Section Period T<sub>V</sub> 1100 1125 1480 T<sub>H</sub>
Vertical Section Active T<sub>DISP (V)</sub> 1080 1080 1080  
Vertical Section Blanking T<sub>BLK (V)</sub> 20 45 400 T<sub>H</sub>
Horizontal Section Period T<sub>H</sub> 1030 1100 1325 T<sub>CLK</sub>
Horizontal Section Active T<sub>DISP (H)</sub> 960 960 960  
Horizontal Section Blanking T<sub>BLK (H)</sub> 70 140 365 T<sub>CLK</sub>
Clock Frequency F<sub>CLK</sub>=1/T<sub>CLK</sub> 53 74.25 82 MHz
Vertical Frequency Frequency F<sub>V</sub> 47 60 63 Hz
Horizontal Frequency Frequency F<sub>H</sub> 60 67.5 73 KHz

6.2 Timing Diagram Notes

Note 1. Display Position Specification:

  • Display position is specified by the rise of DE (Data Enable) signal only
  • Horizontal display position is specified by the rising edge of 1st DCLK after the rise of 1st DE, is displayed on the left edge of the screen

Note 2. Vertical Display Position:

  • Vertical display position is specified by the rise of DE after a "Low" level period equivalent to eight times of horizontal period
  • The 1st data corresponding to one horizontal line after the rise of 1st DE is displayed at the top line of screen

Timing Diagram Description:
The timing diagram shows LVDS data transmission with:

  • CH1 and CH2 data channels
  • DE (Data Enable) signal
  • RGB data organization
  • CLK timing
  • Pixel mapping (M-7, M-6, etc.)
  • Invalid data periods during blanking
  • Display active periods

7. OPTICAL CHARACTERISTICS

7.1 Measurement Conditions

  • Optical Stage: 2° measurement angle
  • Distance: 500mm
  • Light Source: SR3 Standard light source "C"
  • Equipment: SR3, TRD-100 or equivalent

7.2 Optical Parameters

Parameter Parameter Symbol Condition Values Values Values Unit
Red   G<sub>Y</sub> With SR3 Standard light source "C" Typ.-0.03 0.597 Typ.+0.03  
Red Blue B<sub>X</sub> With SR3 Standard light source "C" Typ.-0.03 0.139 Typ.+0.03  
Red   B<sub>γ</sub> With SR3 Standard light source "C" Typ.-0.03 0.098 Typ.+0.03  
Red White W<sub>X</sub> With SR3 Standard light source "C" Typ.-0.03 0.290 Typ.+0.03  
Red   W<sub>γ</sub> With SR3 Standard light source "C" Typ.-0.03 0.338 Typ.+0.03  
Viewing Angle Viewing Angle   SR3        
  x axis, right(φ=0°) θ<sub>R</sub> SR3 85 89 -- degree
  x axis, left(φ=180°) θ<sub>I</sub> SR3 85 89 -- degree

Note: The table appears to have formatting issues. Typical interpretation:

  • Color Coordinates: Red, Blue, White chromaticity coordinates
  • Viewing Angle: 85-89 degrees in horizontal direction
  • Measurement: Using SR3 standard with C light source

8. TECHNICAL SUMMARY & KEY DIFFERENTIATORS

8.1 Unique Product Characteristics

  1. Ultra-Wide Format: 29-inch with 1920×614 resolution (3.1:1 aspect ratio)
  2. Industrial Power Design: 12V DC operation with robust power specifications
  3. Complete Module Solution: COG+FPC+B/L integrated construction
  4. Standard LVDS Interface: 2-channel LVDS with 51-pin connector
  5. Industrial Temperature Range: 0°C to +50°C operation
  6. Power Design Verification: Multiple test patterns provided

8.2 Critical Specifications Summary

  • Size: 29 inches diagonal
  • Resolution: 1920 × 614 pixels
  • Module Dimensions: 772 × 255 × 17.8 mm
  • Active Area: 698 × 225.4 mm
  • Power Supply: 12V DC (10.8-13.2V range)
  • Power Consumption: 4.08-7.2W (depending on pattern)
  • Pixel Clock: 74.25MHz typical
  • Refresh Rate: 60Hz typical
  • Interface: 2-channel LVDS with DE mode
  • Connector: JAE FI-RTE51SZ-HF / Starconn 115E51-0000RA-M3-R

8.3 Application-Specific Design

Industrial & Commercial Applications:

  • Control Panels: Wide format ideal for industrial control interfaces
  • Information Displays: Public information, transportation displays
  • Dashboard Displays: Vehicle or machinery status displays
  • Digital Signage: Wide format for information boards
  • Medical Equipment: Wide monitoring displays

8.4 Power System Design Considerations

  1. Voltage Regulation: 12V ±10% with <10% ripple
  2. Current Capacity: 0.6A maximum for H-strip pattern
  3. Inrush Current: Up to 4A with 400μs rise time
  4. Power Sequencing: Not specified but important for reliability
  5. Heat Dissipation: Panel surface temperature ≤65°C

8.5 Interface Implementation Requirements

  1. LVDS Transmitter: Must support 2-channel LVDS
  2. Timing Controller: Must generate proper DE timing
  3. Connector: Must match JAE FI-RTE51SZ-HF or equivalent
  4. Signal Integrity: Proper LVDS termination required
  5. Control Signals: I2C for configuration, WP for protection

9. COMPARISON WITH OTHER WIDE-FORMAT MODULES

Parameter LS29I01-L-V1 LS2145I01-L-V1 LS156I03-L-V1
Size 29" 21.45" 15.6"
Resolution 1920×614 1920×1080 Depends on model
Aspect Ratio ~3.1:1 16:9 Typically 16:9
Power Supply 12V 5V 12V (LCD_VCC)
Interface LVDS 2-channel LVDS 2-channel LVDS
Application Industrial Wide Format Automotive CID General LCD
Key Feature Ultra-wide industrial High contrast automotive Standard format

10. INTEGRATION GUIDELINES

10.1 System Integration Checklist

  1. Power Supply:

    • 12V DC regulated power source
    • Minimum 10.8V under all conditions
    • Ripple <10% of V<sub>DD</sub>
    • Current capacity >0.6A
  2. LVDS Interface:

    • 2-channel LVDS transmitter
    • DE (Data Enable) mode operation
    • Proper cable impedance matching
    • Correct connector (51-pin)
  3. Mechanical Integration:

    • Allow for 17.8mm depth
    • Consider 772×255mm footprint
    • Provide proper ventilation
    • Secure mounting
  4. Environmental Considerations:

    • Operating temperature: 0°C to +50°C
    • Humidity: 10-90% RH (non-condensing)
    • Avoid direct sunlight heating
    • Clean installation environment

10.2 Design Verification Tests

  1. Power Tests:

    • Black pattern: 4.08W typical
    • White pattern: 4.32W typical
    • H-strip pattern: 6W typical
    • Inrush current: <4A
  2. Signal Tests:

    • Pixel clock: 74.25MHz ± tolerance
    • Refresh rate: 60Hz ± tolerance
    • LVDS signal integrity
    • DE timing compliance
  3. Optical Tests:

    • Color uniformity
    • Viewing angle performance
    • Brightness consistency
    • Pattern display verification

11. TROUBLESHOOTING GUIDE

Symptom Possible Cause Solution
No Display No power Check 12V supply, measure V<sub>DD</sub> pins
No Display LVDS not connected Verify connector, check LVDS signals
Flickering Display Power ripple too high Improve power regulation, add filtering
Incorrect Colors LVDS mapping wrong Check LVDS_SEL setting, verify data mapping
Partial Display DE timing incorrect Verify DE timing parameters
Overheating Ambient temperature high Improve ventilation, check surface temperature
Intermittent Operation Connector issue Reseat connector, check pin connections

12. ORDERING INFORMATION

Model Number: LS29I01-L-V1
Revision: 1.0
Module Type: COG+FPC+B/L
Connector: JAE FI-RTE51SZ-HF or equivalent
Approval Status: Approved Product Specification only (not samples)

Manufacturer: LESSON Smart Display Technology Co., Ltd.
Chinese Name: 立信(万安)智显科技有限公司
Document Date: February 6, 2026


13. RECOMMENDED APPLICATIONS

  1. Primary: Industrial Control Panels - Wide format for monitoring multiple parameters
  2. Secondary: Transportation Information Displays - Bus/train schedule boards
  3. Tertiary: Digital Signage - Wide format advertising/information
  4. Additional: Medical Monitoring - Wide patient status displays
  5. Specialized: Gaming/Simulation - Wide peripheral vision displays

Conclusion: The LS29I01-L-V1 is a specialized 29-inch ultra-wide format LCD module designed for industrial and commercial applications requiring wide aspect ratio displays. Its 1920×614 resolution, 12V power system, and standard LVDS interface make it suitable for integration into various systems where wide format viewing is advantageous.

Key Advantages:

  1. Ready-to-Use Module: COG+FPC+B/L complete solution
  2. Industrial Robustness: Wide temperature range, stable power design
  3. Standard Interface: Compatible with common LVDS sources
  4. Wide Format: Unique 3.1:1 aspect ratio for specialized applications
  5. Documentation Complete: Detailed specifications for reliable integration

Implementation Consideration: While providing complete module specifications, designers should pay particular attention to:

  1. Power supply quality (ripple control)
  2. LVDS signal integrity (proper termination)
  3. Thermal management (surface temperature limits)
  4. Mechanical integration (size and depth constraints)

Final Recommendation: For applications requiring ultra-wide format displays with industrial reliability, the LS29I01-L-V1 offers a balanced combination of size, interface compatibility, and robust design. Its 12V operation makes it suitable for various industrial and transportation environments where standard 5V displays might not be optimal.

Document Status: This specification is based on Revision 1.0 with upload date February 6, 2026. Always verify with the latest official document from LESSON Smart Display Technology Co., Ltd. for production implementation.

 
 

Related Articles

Eddie Chen
WhatsApp: +852 4614 8012
+86 15019200406 (WeChat)
HongKong Office: RM NO 43 U-MALL 1/F YUE MAN CTR KWUN TONG KL HONGKONG
Shenzhen Office: Room 2301,2302, Galaxy Times Building,Dalang North Road,Longhua District, Shenzhen
Factory Address: Building 4,2020 Factory, Industrial Park Zone2, Wanan County, Ji'an City, Jiangxi Province