LG Display LB104S01-TL04 10.4-Inch SVGA Industrial LCD: Specifications, Architecture, and Integration Guide
LG Display LB104S01-TL04 10.4-Inch SVGA Industrial LCD
The LB104S01-TL04 is a 10.4-inch SVGA transmissive color active matrix TFT-LCD manufactured by LG Display, engineered to provide stable optical performance and dependable mechanical integration for long-lifecycle industrial platforms. Featuring an anti-glare front polarizer with a 3H surface hardness treatment, it maintains clear readability across varied ambient lighting conditions while ensuring seamless drop-in compatibility for legacy equipment.
Core Specifications: 800 × 600 SVGA Resolution | 250 cd/m² Typical Luminance | 400:1 Contrast Ratio | 1-Channel 6-Bit LVDS Interface
Engineering Highlights:
- Preserves electrical signal integrity in electrically noisy enclosures via a differential LVDS receiver.
- Minimizes thermal dissipation on the logic rail, drawing only 0.8 W typical logic power at 3.3 V.
Engineers seeking to resolve retrofitting hurdles in legacy 10.4-inch SVGA architectures will find the LB104S01-TL04 a drop-in display standard that delivers verified timing parameters without requiring controller board re-spins.
Download Official Datasheet & Technical Specs (PDF)
Technical Architecture and Signal Evaluation
The LB104S01-TL04 employs an amorphous silicon thin-film transistor architecture organized in an RGB vertical stripe layout with a 0.264 mm × 0.264 mm pixel pitch. Its display driving path is anchored by a single-channel 6-bit LVDS Interface terminating at a compact 20-pin Hirose-compatible connector. This architecture reduces electromagnetic emission while providing robust noise immunity. For high-speed lines, mastering LVDS jitter tolerance ensures that transmitter clock skew remains within the ±300 ps window required by the internal deserializer.
Optical performance is defined by a 400:1 typical contrast ratio and an optical response time of 35 ms (Tr + Td). You can think of the panel’s anti-glare surface treatment as polarized optical filtering on camera lenses; it scatters specular reflections across the outer boundary layer, allowing the internal 250 cd/m² backlight emission to penetrate clearly without washing out contrast in harsh indoor industrial setups.
Illumination is generated by an internal single cold cathode fluorescent lamp (CCFL) running through an edge-lit configuration. The lamp circuit requires a nominal tube current of 6.0 mArms at an operating frequency between 40 kHz and 70 kHz. Matching this assembly with an inverter that incorporates soft-strike topology prevents excessive ignition voltage spikes, protecting the CCFL cathode leads and stabilizing output across long operational duty cycles.
Optimized Application Scenarios
- Industrial Machine HMIs: Provides stable SVGA resolution and reliable viewing geometry for control consoles adhering to smart factory HMI display specifications.
- CNC Machine Tool Consoles: Resists mechanical shock and factory airborne dust through a robust steel housing and 3H anti-scratch front polarizer.
- Legacy Medical Diagnostic Systems: Delivers reproducible 6-bit grayscale fidelity and consistent gamma tracking for ultrasound consoles and physiological monitoring units.
- Automated Test & Measurement Benches: Offers low power draw and predictable LVDS clocking for rack-mounted instrumentation panels.
The LB104S01-TL04 is an exact mechanical and electrical match for 10.4-inch SVGA industrial consoles requiring dependable 6-bit LVDS signaling.
Key Electrical and Optical Specifications
| Parameter | Datasheet Value | Test Condition / Unit |
|---|---|---|
| Active Screen Diagonal | 10.4 (264.16 mm) | Inches |
| Active Display Area | 211.2 (H) × 158.4 (V) | mm |
| Pixel Format | 800 × 600 (SVGA) | RGB Vertical Stripe |
| Logic Input Voltage (VDD) | 3.3 (3.0 Min to 3.6 Max) | V |
| Typical Power Consumption | 0.8 (Panel) / 3.0 (Lamp) | W (at 6.0 mArms lamp current) |
| Surface Luminance | 250 (Typ.) | cd/m² (center point) |
| Contrast Ratio (CR) | 400:1 (Typ.), 300:1 (Min.) | Normal direction, θ = 0° |
| Viewing Angles (CR ≥ 10) | L/R: 65°/65°, U/D: 45°/65° | Degrees (θ, Φ) |
| Operating Temperature | 0 to +50 | °C |
| Physical Dimensions | 243.0 × 184.0 × 6.8 | mm (W × H × D, Typ.) |
Engineering FAQ
Q1: What are the primary inverter striking voltage requirements for the LB104S01-TL04?
A1: The integrated CCFL lamp requires an initial striking voltage of approximately 1000 Vrms minimum at 25°C, dropping down to a nominal operating voltage of 500 Vrms at 6.0 mArms. System designers must ensure the high-voltage ballast inverter outputs sufficient open-circuit ignition potential across the operating temperature envelope.
Q2: How does the LB104S01-TL04 handle logic power sequencing during startup?
A2: VDD power (3.3 V) must reach 90% of its stable level before LVDS data signals become active, with a transition window typically between 0.5 ms and 10 ms. Violating this sequence may latch the internal driver ICs into undefined states, resulting in visual flicker or white screen artifacts.
Q3: Can the backlight brightness be dimmed using PWM control?
A3: Yes. Dimming is executed at the CCFL inverter controller by modulating lamp current via low-frequency burst PWM or analog voltage adjustment. Implementing guidelines from industrial LCD dimming methods prevents sub-harmonic acoustic vibration and optical stroboscopic interference.
Q4: What mounting torque is recommended for securing the metal bezel?
A4: Use M2 or M2.5 pan-head machine screws fastened to a torque limit not exceeding 2.0 kgf·cm (0.20 N·m). Applying asymmetrical clamping stress across the chassis corners risks inducing optical cell deformation and edge backlight mura.
Procurement & System Integration
The LG Display LB104S01-TL04 offers verified form-factor and signaling continuity for systems depending on standardized 10.4-inch SVGA visual outputs. Engineering teams, hardware repair facilities, and sourcing specialists can integrate this panel into both newly deployed modular chassis and legacy industrial retrofit designs with confidence in its electrical specification alignment.