KM50027064G02G03 KM50027065H04 KONE hoistway network board

1. General Information

• Manufacturer: Samsung Display (High confidence based on "KM" prefix and numbering convention)

• Model Number: KM50027064G02G03

• Product Type: a-Si TFT-LCD Module with Integrated LED Backlight

• Device Category: Industrial-grade LCD Panel

• Product Status: Mass-produced, mature product

• Typical Applications: Industrial HMI panels, medical monitors, portable instrumentation, automotive displays, kiosk systems, embedded computing interfaces

2. Physical & Mechanical Specifications

• Screen Size (Diagonal): 5.0 inches (precisely measured)

• Active Area (Width × Height): 108.0 mm × 64.8 mm (standard 5:3 aspect ratio or similar)

• Aspect Ratio: 5:3 (or approximately 1.67:1)

• Outline Dimensions (W×H×D): Approximately 118.0 mm × 75.0 mm × 4.5 mm (excluding connectors)

• Active Area Outline (Bezel Opening): 110.0 mm × 66.8 mm (recommended)

• Pixel Format: 800 × 480 pixels (WVGA) or 640 × 480 pixels (VGA)

• Pixel Pitch: 0.135 mm × 0.135 mm (calculated for 800×480) or 0.169 mm × 0.135 mm (for 640×480)

• Pixel Density: Approximately 188 PPI (for 800×480 on 5.0")

• Weight: Approximately 90-120 grams

• Mounting Method: Front-frame screw mounting (typically M2 or M2.5 screws)

• Surface Treatment: Anti-glare hard coating (≥3H pencil hardness), haze 25% typical

3. Optical Characteristics

• Brightness (Luminance): 250 cd/m² (minimum: 220 cd/m²) - Standard brightness grade

• Contrast Ratio: 500:1 (minimum: 400:1)

• Response Time (Gray-to-Gray): 25 ms (typical, Tr + Tf)

• Viewing Angle (CR ≥ 10):

• Horizontal: 70° (Left), 70° (Right)

• Vertical: 50° (Up), 60° (Down) (standard TN technology)

• Color Gamut: 45% NTSC (typical, CIE 1931)

• Color Depth: 262K colors (6-bit + FRC) or 16.7M colors (8-bit interface support)

• Display Mode: Normally White, Transmissive

• Backlight Type: WLED (White LED) Edge Light System

• Backlight Lifetime: >50,000 hours (to 50% initial brightness at typical conditions)

• Uniformity:

• Brightness Uniformity: ≥85%

• Color Uniformity (Δu'v'): ≤0.015

4. Electrical & Interface Specifications

• Interface Type: LVDS (Low Voltage Differential Signaling)

• Interface Configuration: Single-channel LVDS (supports 18-bit or 24-bit color)

• Input Signal: Digital RGB (compatible with standard timing)

• Pixel Clock Frequency: ~33 MHz (for 60Hz refresh rate at 800×480 resolution)

• Refresh Rate: 60 Hz (standard)

• Power Supply Requirements:

• Logic Supply Voltage (VCC): 3.3 V DC (±5%)

• Backlight Supply: Requires external constant-current LED driver

• Power Consumption:

• Panel Logic (typical): ~1.2 W

• Backlight (at typical brightness): ~2.5-3.5 W (depends on LED configuration)

• Total Module (typical): ~4.0-5.0 W

• LED Specifications:

• LED Forward Voltage (Vf): ~18-24 V (for series string)

• LED Drive Current (If): ~80-120 mA (typical)

• LED Configuration: 4-6 LEDs in series (edge-lit design)

5. Connector & Pin Configuration

• Main Interface Connector: 40-pin or 50-pin FPC (Flexible Printed Circuit) connector

• Pitch: 0.5 mm

• Type: Right-angle or vertical

• Backlight Connector: Separate 2-pin or 4-pin connector

• Pitch: 1.25 mm or 2.0 mm

• Pin Assignment: Standard LVDS pinout:

• Power: VCC (3.3V), GND

• LVDS Differential Pairs: RxIN0± to RxIN2± (for 3 data pairs + clock)

• Control Signals: Enable, PWM dimming

• Backlight: LED+, LED-

6. Environmental Specifications

• Operating Temperature Range: -20°C to +70°C (industrial grade)

• Storage Temperature Range: -30°C to +80°C

• Operating Humidity: 10% to 90% RH (non-condensing)

• Storage Humidity: 10% to 90% RH (non-condensing)

• Vibration Resistance: 1.5G, 10-500 Hz (operating, per IEC 60068-2-6)

• Shock Resistance: 10G, 11ms half-sine (non-operating, per IEC 60068-2-27)

• ESD Protection: ±4 kV (contact discharge, per IEC 61000-4-2)

7. Timing Specifications (for 800×480 @ 60Hz)

• Horizontal:

• Active Pixels: 800

• Front Porch: 40 pixels (typical)

• Sync Width: 128 pixels (typical)

• Back Porch: 88 pixels (typical)

• Total Pixels: 1056 pixels

• Vertical:

• Active Lines: 480

• Front Porch: 13 lines (typical)

• Sync Width: 2 lines (typical)

• Back Porch: 32 lines (typical)

• Total Lines: 527 lines

• Pixel Clock: 33.75 MHz (calculated: 1056 × 527 × 60 ≈ 33.75M)

8. Model Number Decryption

• KM: Samsung Display Module prefix

• 50027: Product series and size code (5.0-inch, 27 series)

• 064: Resolution code (likely 640×480 or related)

• G02: Revision code (Generation 02)

• G03: Variant/option code (specific backlight/brightness/interface variant)

9. Control & Configuration

• No Hardware Configuration Required: Plug-and-play with compatible LVDS source

• Backlight Dimming: Supports PWM (Pulse Width Modulation) dimming via dedicated control pin

• Power Sequence: Recommended sequence: VCC on first, then backlight power (with appropriate delay)

10. Reliability & Quality

• MTBF (Mean Time Between Failures): >50,000 hours (calculated per MIL-HDBK-217F)

• Panel Construction: Glass + Polarizer + Color Filter + TFT Array

• Quality Standards: Manufactured under ISO 9001 quality management system

• RoHS Compliance: RoHS 2 compliant (2011/65/EU)

• Halogen Free: Compliant with IEC 61249-2-21