Display Modules - LCD, OLED, Graphic

Image Part Number Description / PDF Quantity Rfq
NHD-7.0-800480EF-ATXL#-CTP

NHD-7.0-800480EF-ATXL#-CTP

Newhaven Display, Intl.

LCD TFT 7" 800X480 CAP TOUCH LED

235

UEZGUI-1788-70WVT-BA

UEZGUI-1788-70WVT-BA

Future Designs, Inc.

7.0" RES TOUCH LCD GUI MODULE

12

E24RG12432LW2M300-N

E24RG12432LW2M300-N

Focus LCDs

2.4" TFT

46

E2144CS021

E2144CS021

Pervasive Displays

DISPLAY 1.44" B&W AURORA MB EC

0

SIM535-A01-R55ALL-01

SIM535-A01-R55ALL-01

Serious Integrated

DISPLAY RES TOUCH 7.0" WVGA

0

GEN4-ULCD-50D-CLB-AR

GEN4-ULCD-50D-CLB-AR

4D Systems

DISPLAY LCD TFT 5.0" 800X480

5

PYXR70001L

PYXR70001L

Renetec, Inc.

PYXIS R 7" DISPLAY MODULE LIGHT

10

GEN4-ULCD-50DT-PI

GEN4-ULCD-50DT-PI

4D Systems

DISPLAY LCD TFT 5.0" 800X480

2

SK-GEN4-28D-CLB-PI

SK-GEN4-28D-CLB-PI

4D Systems

DISPLAY LCD TFT 2.8" 240X320

3

EA DOGL128S-6

EA DOGL128S-6

Electronic Assembly (Display Visions)

LCD MOD GRAPH 128X64 BLK/W

0

ETD215W3302-AUA-A

ETD215W3302-AUA-A

Data Modul Inc.

TOUCH DISPLAY, 21.5 INCH

5

T-55785GD070J-LW-AGN

T-55785GD070J-LW-AGN

Kyocera Display

LCD 7.0" TFT DISPLAY WVGA

0

NHD-7.0-HDMI-N-RSXN-CTU

NHD-7.0-HDMI-N-RSXN-CTU

Newhaven Display, Intl.

7" SUNLIGHT TFT HDMI INTERFACE

93

GLK240128-25-FGW

GLK240128-25-FGW

Matrix Orbital

LCD GRAPIC DISPL 240X128 WHT/GRE

0

NHD-4.3-480272FT-CSXV-CTP

NHD-4.3-480272FT-CSXV-CTP

Newhaven Display, Intl.

4.3" EVE2 TFT PREM. MODULE CAP T

180

MIKROE-4280

MIKROE-4280

MikroElektronika

4.3" TFT COLOR DISPLAY W/ CAP TO

3

SK-GEN4-43D-AR

SK-GEN4-43D-AR

4D Systems

DISPLAY LCD TFT 4.3" 480X272

0

GLT24064R-1U-USB-FGW

GLT24064R-1U-USB-FGW

Matrix Orbital

LCD GRAPHIC TOUCH PANEL USB

0

SK-28PTU

SK-28PTU

4D Systems

KIT ULCD-28PTU USD-4GB UUSB-PA5

0

UEZGUI-4088-43WQN-BA

UEZGUI-4088-43WQN-BA

Future Designs, Inc.

4.3" PCAP TOUCH LCD GUI MODULE

0

Display Modules - LCD, OLED, Graphic

1. Overview

Optoelectronics display modules are electro-optical devices that convert digital signals into visual information. LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), and Graphic modules represent three core technologies in modern display systems. These modules enable human-machine interaction in applications ranging from consumer electronics to industrial automation, with advancements driving thinner form factors, lower power consumption, and higher visual fidelity.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
LCDBacklit liquid crystal layer, requires polarizers, moderate power consumptionSmartphones, TVs, automotive dashboards
OLEDSelf-emissive organic materials, infinite contrast ratio, flexible variantsSmartwatches, VR headsets, premium smartphones
GraphicFixed pixel matrix for icons/symbols, low resolution but high reliabilityIndustrial equipment, medical devices, vending machines

3. Structure and Components

LCD: Composed of backlight unit (LED/CCFL), liquid crystal layer, color filters, and TFT (Thin-Film Transistor) array. Polarizing films on both sides control light transmission.

OLED: Contains anode/cathode layers with organic emissive materials (small molecules or polymers) sandwiched between. Utilizes encapsulation layers to prevent moisture damage.

Graphic Modules: Simplified structure with segmented electrodes and passive matrix addressing, often using monochrome STN (Super-Twisted Nematic) technology.

4. Key Technical Specifications

ParameterDescriptionImportance
Resolution (ppi)Pixels per inch determining image sharpnessHigher values provide clearer visuals
Luminance (cd/m )Brightness level sustainabilityImpacts outdoor visibility
Response Time (ms)Pixel switching speedPrevents motion blur in dynamic content
Operating Temperature ( C)Functional temperature rangeDetermines environmental adaptability
Lifespan (hours)Half-brightness duration100,000 for LCD, 50,000 for OLED

5. Application Areas

  • Consumer Electronics: Smartphones (OLED), tablets (LCD)
  • Medical Equipment: Diagnostic monitors (LCD), portable devices (Graphic)
  • Automotive: Instrument clusters (OLED), infotainment systems (LCD)
  • Industrial HMI: Control panels (Graphic), automation systems (LCD)
  • AR/VR: High-speed OLED microdisplays

6. Leading Manufacturers & Products

ManufacturerTypeRepresentative Product
Samsung DisplayOLEDAMOLED for Galaxy smartphones
LG DisplayLCDIPS panels for Apple iPad Pro
SharpGraphicLS013B7DH01 memory LCD
BOE TechnologyAll Types10.7" flexible AMOLED for wearables

7. Selection Guidelines

Consider these factors for optimal selection:

  • Application Scenario: Outdoor use requires high brightness ( 1000 cd/m )
  • Power Budget: OLED consumes 30% less power than equivalent LCD in dark content
  • Environmental Conditions: Industrial-grade (-30 C to +85 C) for automotive systems
  • Cost Constraints: Graphic modules cost 40-60% less than color TFT LCDs
  • Integration Complexity: OLED requires built-in compensation circuits for aging effects

Case Study: A smartwatch design selected 1.4" AMOLED module for its 1000:1 contrast ratio and 0.1mm ultra-thin profile despite higher cost.

8. Industry Trends

Key development directions include:

  • Micro-LED adoption for >3000 cd/m brightness and sub-10 m pixel pitch
  • Rollable OLED with improved encapsulation technology
  • AI-driven display compensation algorithms for uniformity enhancement
  • Low-temperature polycrystalline oxide (LTPO) backplanes for dynamic refresh rates
  • Biodegradable substrate materials for eco-friendly modules
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