12.1" Sharp CSTN LCD Display LM12S402 800×600 SVGA LCM Module
12.1" Sharp CSTN LCD Display LM12S402 800×600 SVGA LCM Module
Price: $335.00
$332.00/ piece
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12.1" Sharp CSTN LCD Display LM12S402 800×600 SVGA LCM Module
12.1" Sharp CSTN LCD Display LM12S402 800×600 SVGA LCM Module

12.1" Sharp CSTN LCD Display LM12S402 800×600 SVGA LCM Module

Price: $335.00
$332.00/ piece
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12.1" Sharp CSTN LCD Display LM12S402 800×600 SVGA LCM Module

Product Information Product Specifications
Model:
LM12S402
Brand:
SHARP
Application:
Industrial
Size:
12.1"
Resolution:
1920(RGB)×1080, 16:9, FHD
Brightness:
300 cd/m² (Typ.)
Contrast Ratio:
1000:1 (Typ.) (TM)
Viewing Angle:
89/89/89/89 (Typ.)(CR≥10
Lamp Type:
WLED, 15K hrs, With LED Driver
Signal Interface:
eDP (2 Lanes), eDP1.2, HBR1 (2.7G/lane), 30 pins Connector
Panel Type:
Oxide TFT-LCD, LCM
Ordering instructions
Quality:
test ok before ship it
RMA Policy:
RMA 6 month
Sample:
Paid Sample
Stock:
300
Stock Location:
China
Delivery:
WorldWide
Lead Time:
1-3 Days
Weight:
1.000 KG
Overview
Sharp LM12S402 is a classic thin 12.1-inch SVGA color CSTN integrated LCD module, originally factory-equipped on vintage injection molding machines, small CNC controllers, textile printing equipment and legacy industrial PLC HMI terminals.
Adopting Normally Black color FSTN liquid crystal technology, it is optimized for long-term static text, numerical parameters, production curves and simple color industrial UI display under 24/7 continuous indoor constant-temperature workshop operation. It uses standard 41-pin 8-bit parallel TTL RGB bus with dual 3.3V/5V logic voltage compatibility, fully compatible with early industrial single-chip mainboards without LVDS signal output, eliminating extra signal conversion hardware during screen replacement.
ParameterTechnical Specification
Model NumberLM12S402
ManufacturerSharp Corporation (Made in Japan)
Diagonal Size12.1 inches
Native Resolution800(RGB) × 600 SVGA, 4:3 Aspect Ratio, 82 PPI
LCD TechnologyColor CSTN / FSTN, Transmissive, Normally Black
Display Color Depth4096 colors (12-bit RGB)
Pixel ArrangementRGB Vertical Stripe
Signal Interface8-bit Parallel TTL RGB, 41Pin Connector, 3.3V / 5V dual logic voltage
Backlight SpecSingle side single CCFL lamp, no onboard driver IC, external single-channel CCFL inverter required, 25,000hrs lifespan
Typical Brightness100 cd/m²
Typical Contrast Ratio40:1
Viewing Angle (L/R/U/D, CR≥5)30° / 30° / 25° / 15°, optimal viewing: 6 o’clock (front lower)
Refresh Rate120Hz
Pixel Pitch0.3075 × 0.3075 mm
Active Display Area (AA)246.0 mm (W) × 184.5 mm (H)
Overall Outline Dimension275.0 mm (W) × 202.5 mm (H) × 8.3 mm (D)
Net Weight490 g typical
Surface PolarizerStandard matte surface, no extra hard anti-scratch coating
Operating Temperature0 ℃ ~ +40 ℃
Storage Temperature-25 ℃ ~ +60 ℃
Touch PanelNot integrated
ComplianceRoHS Lead-Free, Mercury warning for CCFL backlight
Product StatusDiscontinued legacy industrial CSTN module, only A-grade tested spot stock for equipment repair replacement

 Application Scenarios

  1. Auxiliary main HMI panels for injection molding, blow molding & plastic machinery

  2. Old-generation small CNC machine tool operator display terminals

  3. Textile, printing & packaging equipment control screens

  4. Portable industrial test, measurement & analytical instruments

  5. Frequency converter, hydraulic power cabinet static parameter monitoring terminals

  6. Environmental monitoring & power distribution cabinet local display screens

  7. Cross-replacement spare screen for Sharp LM12S40 series 12.1" CSTN color modules

  8. Compact embedded PLC static text, bar graph and curve display equipment

 FAQ

Q1: Does LM12S402 need an external inverter for backlight?

A1: Yes, single side single CCFL lamp without built-in drive circuit. A matched single-channel CCFL inverter board is mandatory; dual-lamp inverters or WLED drivers cannot be directly used.

Q2: What signal logic voltage does this panel support?

A2: Dual 3.3V / 5V logic voltage, compatible with most vintage industrial parallel signal control boards.

Q3: Can LM12S402 replace LM12S401 directly?

A3: Yes, consistent outline size, mounting holes and 41Pin TTL pinout; only confirm single-channel CCFL inverter matching, plug-and-play without mechanical modification.

Q4: What temperature environment is suitable for this CSTN screen?

A4: Operating temperature limited to 0~40℃, storage -25~60℃. It cannot work stably in unheated cold workshops or high-temperature machinery cabinets exceeding rated range, not wide-temperature industrial grade.

Q5: What are the main disadvantages of CSTN compared with modern TFT LCD?

A5: Slow response speed, extremely narrow upper vertical viewing angle, low brightness (100 cd/m²), limited 4096-color gamut; unsuitable for fast dynamic images, machine vision inspection or high-precision grayscale display, only for static parameter monitoring.


Product Comparison
Model:
Size:
Resolution:
Brightness:
Contrast Ratio:
Viewing Angle:
Lamp Type:
Signal Interface:
Panel Type:
12.1" Sharp CSTN LCD Display LM12S402 800×600 SVGA LCM Module

12.1" Sharp CSTN LCD Display LM12S402 800×600 SVGA LCM Module

LM12S402

12.1"
1920(RGB)×1080, 16:9, FHD
300 cd/m² (Typ.)
1000:1 (Typ.) (TM)
89/89/89/89 (Typ.)(CR≥10
WLED, 15K hrs, With LED Driver
eDP (2 Lanes), eDP1.2, HBR1 (2.7G/lane), 30 pins Connector
Oxide TFT-LCD, LCM
Sharp LM1260A01-1C 12.1" Industrial LCD Display Panel 800x600 SVGA LED LVDS Interface

Sharp LM1260A01-1C 12.1" Industrial LCD Display Panel 800x600 SVGA LED LVDS Interface

LM1260A01-1C

12.1"
800×600 (SVGA)
450 cd/m² (ref)
500:1 (ref)
80/80/60/60 (ref)
LED
LVDS
LCM
lm121ss1t53 Sharp 12.1 inch  display lcd

lm121ss1t53 Sharp 12.1 inch display lcd

lm121ss1t53

12.1"
800*600
80
40:1
CCFL
CSTN-LCD, LCM
LM12S402 is a 12.1" Oxide TFT-LCD, LCM Display screen Product from SHARP.According to SHARP's product specification sheet,LM12S402 display has a resolution of 1920(RGB)×1080, 16:9, FHD, Contrast Ratio is 1000:1 (Typ.) (TM),Viewing Angle is 89/89/89/89 (Typ.)(CR≥10,Lamp Type is WLED, 15K hrs, With LED Driver,Signal Interface is eDP (2 Lanes), eDP1.2, HBR1 (2.7G/lane), 30 pins Connector,Brightness is 300 cd/m² (Typ.).Based on its characteristics, this model is recommended for application in Industrial and other products.The weight of LM12S402 after packaging is 1.000KG.We have made every effort to minimize weighing variances; however, we cannot guarantee absolute accuracy.
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Each panel passes through our six-step quality chain—incoming, display, appearance, interface, packaging, and tracking. Backed by a 6-month RMA.

Test OK Before Ship | RMA 6 Months
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Stocked in our Shenzhen Longhua warehouse. Standard lead time 1–3 business days; quotations returned within 24 hours.

99 In Stock | Lead Time 1-3 Days
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  • check Registered company: Shenzhen Zhiyan Optoelectronics Co., Ltd. — VAT/Reg. No. 91440300MA5GQNC36C

precision_manufacturing Trusted Across 13+ Industries Worldwide

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HMI panels & factory control displays for automation integrators

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Auxiliary diagnostic & monitoring displays for medical device makers

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Replacement screens & bulk supply for POS/ATM manufacturers

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Repair Market

EOL & obsolete panel sourcing for global repair centers

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