Content last revised on May 20, 2026
LM238WF4-SSG2 LG Display 23.8" FHD AH-IPS LCD Panel for Slim All-in-One Integration
How do design teams achieve a thin, color-stable 23.8-inch display without sacrificing mechanical strength or interface simplicity? The LM238WF4-SSG2 from LG Display answers that question with a 1920×1080 FHD AH-IPS panel built around an eDP interface and an LED backlight rated for 250 cd/m². Top specs: 23.8" | 1920×1080 | 250 cd/m² | 1000:1 | 178°/178°. Key benefits: simplified single-cable signal path; wide viewing angle for shared HMIs. For all-in-one industrial PCs and medical workstations needing FHD clarity in a slim chassis, this panel is the practical choice.
Frequently Asked Questions
Front-Loaded Answers for Integration Engineers
Does the LM238WF4-SSG2 use LVDS or eDP, and how does that affect cable routing?
The LM238WF4-SSG2 uses a 30-pin eDP (Embedded DisplayPort) interface. Compared with a 30-pin dual-channel LVDS link, eDP consolidates pixel data onto fewer differential pairs, reducing harness count, easing EMI containment, and simplifying mainboard routing in compact AIO and kiosk chassis.
What is the practical color and viewing performance of its AH-IPS structure?
The AH-IPS cell delivers a 178°/178° viewing angle and a typical color gamut around 72% NTSC, holding chromaticity and gamma stable when the operator views the screen off-axis—important for multi-user diagnostic and POS terminals.
Key Parameter Overview
Specifications Grouped by Functional Block
| Panel & Optical | |
| Manufacturer | LG Display |
| Model | LM238WF4-SSG2 |
| Diagonal Size | 23.8 inch |
| Resolution | 1920 × 1080 (FHD) |
| Panel Technology | a-Si TFT, AH-IPS |
| Active Area | 527.04 × 296.46 mm |
| Pixel Pitch | 0.2745 × 0.2745 mm |
| Performance | |
| Brightness (typ.) | 250 cd/m² |
| Contrast Ratio (typ.) | 1000:1 |
| Viewing Angle | 178° / 178° (H/V) |
| Color Gamut | 72% NTSC (typ.) |
| Response Time | 14 ms (typ.) |
| Refresh Rate | 60 Hz |
| Electrical & Interface | |
| Signal Interface | eDP, 30 pins |
| Supply Voltage (VDD) | 3.3 V (typ.) |
| Backlight | WLED, internal driver |
| Surface | Anti-Glare, Hard Coating 3H |
Download the LM238WF4-SSG2 datasheet for detailed specifications and performance curves.
Technical Deep Dive
How eDP and AH-IPS Architecture Simplify a 23.8-Inch Build
Two design choices define the integration story of the LM238WF4-SSG2: the cell architecture and the signal interface. Think of AH-IPS as a parallel-aligned liquid crystal grid—because the molecules rotate in-plane, light leakage at oblique angles is suppressed, which is why the panel maintains contrast and color across the full 178° cone. For a shared 23.8-inch surface, that means two operators reading the same screen see the same data.
The eDP interface is the second lever. If LVDS is a wide highway with many lanes running at moderate speed, eDP is a narrower expressway moving at higher rate per lane. The result for the system board: fewer differential pairs, integrated hot-plug detection, and lower EMI footprint. This trims BOM cost on the cable harness and reduces failure points in vibration-prone deployments.
From a thermal standpoint, the embedded WLED backlight at 250 cd/m² typical luminance presents a moderate, predictable heat load—well within the budget of a passively cooled all-in-one rear cover, provided ambient stays inside the panel’s 0–50 °C operating window.
Application Scenarios & Value
Where 23.8-Inch FHD AH-IPS Earns Its Place
For slim AIO PCs and clinical review stations needing wide-angle FHD on a single eDP harness, the LM238WF4-SSG2 is the optimal fit. Engineers often face a recurring challenge: how to ship a 23.8-inch product with a sub-15 mm depth profile while still meeting color-stability and EMI targets. The combination of an internal LED driver, eDP signaling, and the AH-IPS cell collapses several of those constraints into one component decision.
Representative applications include:
- Industrial all-in-one HMIs for SCADA dashboards and factory dispatch terminals (IEC 61131-aligned environments).
- Medical review monitors for waveform display and patient data, where 178° viewing prevents misreads from bedside angles.
- Retail and self-service kiosks with anti-glare hard coat surfaces resisting fingertip wear.
- Digital signage in indoor lobbies and transport hubs, leveraging the FHD pixel grid for sharp typography.
- Workstation video walls and engineering review benches.
For builds requiring touch integration or a higher-brightness variant, the related LM215WF3-SLA1 offers a smaller 21.5" FHD footprint, while the LM238WF4-SSB1 is a closely related 23.8" variant within the same series. For an alternative 23.8" FHD panel from another supplier, the MV238FHM-N30 provides a comparable mechanical envelope.
For a deeper background on the underlying cell technology, see our guide to TFT-LCD fundamentals and the discussion of TN vs. IPS selection.
Confirm current availability, lead time, and revision-level details for the LM238WF4-SSG2 before locking your mechanical drawing—request a quote from our sales team to align stock with your production window.