The LQ121S1LG41 is a 12.1-inch a-Si TFT-LCD (amorphous silicon thin film transistor liquid crystal display) module engineered by Sharp for demanding industrial applications . This model features SVGA resolution, a reliable CCFL backlight system with replaceable lamps, and robust environmental performance, making it an ideal choice for industrial human-machine interfaces (HMIs), CNC machine controllers, kiosks, and automation panels .
| Brand |
Sharp |
| Model P/N |
LQ121S1LG41 |
| Diagonal Size |
12.1" |
| Panel Type |
a-Si TFT-LCD, LCM |
| Resolution |
800(RGB)×600, SVGA, 82PPI |
| Pixel Format |
RGB Vertical Stripe |
| Active Area |
246(W) × 184.5(H) mm |
| Bezel Opening |
249.0(W) × 187.5(H) mm |
| Outline Dim. |
276(H) × 209(V) × 11(D) mm |
| Treatment |
Antiglare, Hard coating (3H) |
| Luminance |
370 cd/m² (Typ.) |
| Contrast Ratio |
450 : 1 (Typ.) (TM) |
| View Direction |
6 o'clock |
| Response Time |
10/30 (Typ.)(Tr/Td) ms |
| Viewing Angle |
70/70/50/60 (Typ.)(CR≥10) |
| Operating Mode |
TN, Normally White, Transmissive |
| Support Color |
262K, 50% NTSC |
| Light Source |
CCFL [2 pcs], 50K hours, Without Driver |
| Weight |
660g (Max.) |
| Frame Rate |
60Hz |
| Touch Panel |
Without |
| Interface Type |
LVDS (1 ch, 6-bit), 20 pins Connector |
| Power Supply |
3.3/5.0V (Typ.)(VCC) |
| Environment |
Operating Temperature: -10 ~ 65 °C; Storage Temperature: -30 ~ 70 °C |
Applications
This industrial-grade display panel is ideally suited for:
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Industrial Human-Machine Interfaces (HMIs) : Control panels for factory automation and process control
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CNC Machine Controllers: Many CNC machines from the 1990s and 2000s have decades of useful mechanical life remaining. When the original HMI panel fails, the LQ121S1LG41 provides a cost-effective path to restoring functionality
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Kiosks and Self-Service Terminals: Public-facing information systems
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Industrial Automation Panels: In manufacturing plants, a seamless display replacement ensures minimal downtime
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Banking Terminals: Financial service equipment
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Test and Measurement Equipment: The LVDS interface provides robust, low-noise connection important for instruments where signal integrity is paramount.
