LS140I01-E-V1: 14.09-inch TFT-LCD Module, UHD 3840×1100 Resolution, eDP Interface, 16.7M Colors, 72% NTSC, Notebook Touch Bar
Product Subtitle / Keywords
14.09 Inch Display, 3840×1100 UHD Resolution, Color Active Matrix a-Si TFT-LCD, eDP Interface, COG+FPC+B/L Module Type, 16.7M Colors (8-bit), 72% NTSC Color Gamut, 300 cd/m² Typical Luminance (IF=21mA), 1200:1 Typical Contrast Ratio, 85° Viewing Angle, Notebook Touch bar Application, Low Reflection, High Color Type, Built-in LED Driver, Green Product (RoHS & Halogen free)
1. Executive Summary And Product Positioning
The LS140I01-E-V1 is a 14.09-inch color active matrix TFT LCD module using amorphous silicon TFT's (Thin Film Transistors) as an active switching devices. It is designed for high-performance Notebook Touch bar applications.
This product specification (Revision 1.0) serves as the definitive technical document. It supports a UHD resolution of 3840 horizontal by 1100 vertical pixel array (4k1k) and can display up to 16.7 million colors (8-bit).
This module features a low reflection and higher color type TFT-LCD panel, and the LED driver for back-light driving is built in. The unequivocal recommendation for engineers is to strictly adhere to the absolute maximum ratings, electrical specifications, and interface timing described herein to ensure reliable performance and compatibility.
2. Detailed Product Overview And Architecture
- Core Technology: Color active matrix TFT LCD module using amorphous silicon TFT's (Thin Film Transistors) as an active switching devices.
- Display Type: A low reflection and higher color type.
- Display Format: Graphic 3840 × 1100 pixel array (UHD resolution). Each pixel is divided into RED, GREEN, BLUE dots which are arranged in vertical stripe.
- Display Characteristics: Capable of displaying up to 16.7 million colors (8-bit) and color gamut 72% NTSC.
- Module Construction: COG (Chip-On-Glass) + FPC (Flexible Printed Circuit) + B/L (Backlight).
- Interface Type: eDP (Embedded DisplayPort) interface.
- Backlight: LED driver for back-light driving is built in this model.
- Special Features: Low reflection and higher color type, thin and light weight, low driving voltage and low power consumption, on board EDID chip (implied by eDP standard), Green Product (RoHS & Halogen free product).
- Approval Status: Approved Product Specification only (Revision 1.0).
3. Exhaustive Technical Specifications
3.1 Mechanical Specification
| Item | Specification | Unit |
|---|---|---|
| Module Size (H×V×D) | 350.52 (Outline) × 118.65 (Outline W/ PCB) × 4.96 (Max) | mm |
| Active Area (H×V) | 344.22 × 98.60 | mm |
| Number of pixels | 3840(RGB) × 1100 | pixel |
3.2 Absolute Maximum Ratings
| Parameter | Symbol | Min. | Max. | Unit | Remarks |
|---|---|---|---|---|---|
| Power Supply Voltage | $V_{DD}$ | -0.3 | 4.0 | V | Note 1 |
| eDP input Voltage | $V_{eDP}$ | 0 | 1.2 | V | Note 1 |
| Operating Temperature | $T_{OP}$ | 0 | +60 | °C | Note 2 |
| Storage Temperature | $T_{ST}$ | -20 | +65 | °C | Note 2 |
Note 1: Permanent damage to the device may occur. Note 2: Temperature and relative humidity range are specified.
3.3 Electrical Characteristics
| Parameter | Min. | Typ. | Max. | Unit | Remarks |
|---|---|---|---|---|---|
| Power Supply Voltage ($V_{DD}$) | 3.0 | 3.3 | 3.6 | V | Note 1 |
| Permissible Input Ripple Voltage ($V_{RF}$) | - | - | 100 | mV | @ $V_{DD}$ = 3.3V |
| Power Supply Inrush Current | - | - | 2 | A | Note3 |
| Power Supply Current (Mosaic, $I_{DD}$) | - | 330 | 360 | mA | Note 1 |
| Power Supply Current (RGB, $I_{DD}$) | - | 600 | 670 | mA | Note 1 |
| Power Consumption (Mosaic, $P_{M}$) | - | - | 1.1 | W | Note 1 |
| Power Consumption (RGB, $P_{RGB}$) | - | - | 2 | W | Note 1 |
| Power Consumption (BLU, $P_{BL}$) | - | - | 2 | W | Note 2 |
| Power Consumption (Total, $P_{Total}$) | - | - | 3.1 | W | @Mosaic |
3.4 Backlight Unit (LED Driver)
| Parameter | Min. | Typ. | Max. | Unit | Remarks |
|---|---|---|---|---|---|
| LED Forward Voltage ($V_{F}$) | - | - | 2.9 | V | |
| LED Forward Current ($I_{F}$) | - | 9.5 | - | mA | |
| LED Power Input Voltage ($V_{LED}$) | 5 | 12 | 21 | V | |
| LED Power Input Current ($I_{LED}$) | - | - | 167 | mA | |
| LED Power Consumption ($P_{LED}$) | - | - | 2 | W | Note 1 |
| LED Life-Time | 15,000 | - | - | Hour | $I_{F}$ = 20mA Note 2 |
Notes: Power supply voltage 12V for LED driver. The LED life-time define as the estimated time to 50% degradation of initial luminous.
3.5 Electro-Optical Characteristics
| Item | Symbol | Condition | Min. | Typ. | Max. | Unit | Remark |
|---|---|---|---|---|---|---|---|
| Response time (Tr +Tf) | Tr+Tf | θx = θy =0 | - | 30 | 35 | ms | Note 1 |
| Contrast Ratio | CR | θx = θy =0 | 900 | 1200 | - | - | Note 2 |
| Color Chromaticity (White Wx) | W x | θx = θy =0 | - | 0.313 | - | - | CIE1931 |
| Color Chromaticity (White Wy) | W y | θx = θy =0 | - | 0.329 | - | - | CIE1931 |
| Viewing angle (θT) | θT | CR > 10 | 80 | 85 | - | Deg. | Note 3 |
| Viewing angle (θB) | θB | CR > 10 | 80 | 85 | - | Deg. | Note 3 |
| Viewing angle (θL) | θL | CR > 10 | 80 | 85 | - | Deg. | Note 3 |
| Viewing angle (θR) | θR | CR > 10 | 80 | 85 | - | Deg. | Note 3 |
| Luminance (IF = 21mA) | L | θx = θy =0 | 255 | 300 | - | cd/m2 | Note4 |
3.6 Timing Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Clock Frequency | 1/Tc | - | 269.5 | - | MHz |
| Frame Period | Tv | - | 1140 | - | lines |
| Frame Rate | Fv | - | 60 | - | Hz |
| Vertical Display Period | Tvd | - | 1100 | - | lines |
| One line Scanning Period | Th | - | 3940 | - | clocks |
| Horizontal Display Period | Thd | - | 3840 | - | clocks |
4. Interface Connection (Pin Description)
The electronics interface connector is LVDS type. The mating connector part number is UJU IS050-L30B-C10. The connector interface pin assignments are listed below:
| Pin No. | Symbol | Functions |
|---|---|---|
| 1 | CABC | CABC function |
| 2 | H_GND | Ground |
| 3 | LANE1_N | eDP RX channel 1 negative |
| 4 | LANE1_P | eDP RX channel 1 positive |
| 5 | H_GND | Ground |
| 6 | LANE0_N | eDP RX channel 0 negative |
| 7 | LANE0_P | eDP RX channel 0 positive |
| 8 | H_GND | Ground |
| 9 | AUX_CH_P | eDP AUX CH positive |
| 10 | AUX_CH_N | eDP AUX CH negative |
| 11 | H_GND | Ground |
| 12, 13 | LCD_VCC | Power Supply, 3.3V (typ.) |
| 14 | LCD_Self_test | Panel self test enable |
| 15, 16 | H_GND | Ground |
| 17 | ASUSD | Hot plug detect output |
| 18-21 | BL_GND | LED Ground |
| 22 | BL_ENABLE | LED enable pin(+3.3V Input) |
| 23 | BL_PWM | System PWM Signal Input |
| 24, 25 | NC | No Connection |
| 26-28 | BL_POWER | LED Power Supply 5V-20V |
BLU Interface Connector (STM MSK24022P10):
| Pin No. | Symbol | Description | Pin No. | Symbol | Description |
|---|---|---|---|---|---|
| 1-5 | LED | LED cathode connection | 6 | LED | LED cathode connection |
| 7, 8 | NC | No Connection | 9, 10 | Vout | LED anode connection |
5. Application Scenario
The LS140I01-E-V1 is dedicated for Notebook Touch bar applications. Its 14.09-inch diagonal size with UHD (3840×1100) resolution, high contrast ratio (1200:1), and high luminance (300 cd/m²) make it an ideal choice for a high-resolution touch bar interface in premium notebooks.
6. Handling Precautions And Compliance
The LCD panel is made of glass and is fragile. The polarizer surface is easily scratched. The module should be handled with care to avoid applying pressure on the display area. ESD (Electrostatic Discharge) protection is mandatory throughout handling and assembly. The module should be stored in a clean, dry environment away from direct sunlight and corrosive gases. It is strongly recommended to read the full specification document (LS140I01-E-V1 Product Specification Revision 1.0) before integration and to test the module under application-specific conditions to verify compatibility and performance. The manufacturer disclaims liability for damages resulting from improper use or modification. The product is Green Product (RoHS & Halogen free product).
