Display Modules - LCD, OLED, Graphic

Image Part Number Description / PDF Quantity Rfq
ELI43-CR

ELI43-CR

Future Designs, Inc.

4.3" TOUCH LCD 4WR HDMI

90

AFK800480A0-7.0N12NTM-R

AFK800480A0-7.0N12NTM-R

Orient Display

LCD TFT 7" 800480 24BIT RGB RTP

62

946

946

Adafruit

NTSC/PAL TFT DISPLAY - 4.3 DIAG

0

UEZGUI-4357-50WVN-BA

UEZGUI-4357-50WVN-BA

Future Designs, Inc.

5.0" PCAP TOUCH LCD GUI -MODULE

0

G128ALGSGSW6WTC3XAM

G128ALGSGSW6WTC3XAM

Focus LCDs

128X128 STN GRAY GRAPHIC LCD

86

AFY240320A1-2.4INTH

AFY240320A1-2.4INTH

Orient Display

2.4'' HIGH BRIGHT IPS TFT

0

GEN4-ULCD-35D-CLB-AR

GEN4-ULCD-35D-CLB-AR

4D Systems

DISPLAY LCD TFT 3.5" 480X320

1

GEN4-ULCD-70D-CLB-SB

GEN4-ULCD-70D-CLB-SB

4D Systems

DISPLAY LCD TFT 7.0" 800X480

5

AFY240320A0-2.8INTH-C

AFY240320A0-2.8INTH-C

Orient Display

2.8" SUNLGHT READABLE TFT CAP

31

NHD-12864WG-BTGH-T#N

NHD-12864WG-BTGH-T#N

Newhaven Display, Intl.

LCD MOD GRAPH 128X64 WH TRANSFL

68

64128N FCBW-3LP

64128N FCBW-3LP

Displaytech

DISPLAY LCD 128X64 TRANSFL

1296

SK-GEN4-43DT

SK-GEN4-43DT

4D Systems

DISPLAY LCD TFT 4.3" 480X272

9

NHD-3.5-320240MF-ATXL#-CTP-1

NHD-3.5-320240MF-ATXL#-CTP-1

Newhaven Display, Intl.

LCD TFT QVGA 3.5" CAP T/S

689

MDT0500D2SH-HDMI

MDT0500D2SH-HDMI

Midas Displays

5" TFT, 800 X 480 RESOLUTION

10

NHD-5.0-HDMI-N-RTXL-CTU

NHD-5.0-HDMI-N-RTXL-CTU

Newhaven Display, Intl.

5" TFT HDMI INTERFACE USB-INTERF

109

AFY1024600A0-7.0INTH-C

AFY1024600A0-7.0INTH-C

Orient Display

7.0" SUNLGHT READABLE TFT CAP

49

O12832A-GW-TW3

O12832A-GW-TW3

Focus LCDs

128X32 WHITE GRAPHIC OLED

0

NHD-1.5-128128G

NHD-1.5-128128G

Newhaven Display, Intl.

1.5" FULL COLOR OLED GLASS

130

ATM0430D12-CT

ATM0430D12-CT

AZ Displays

4.3" TFT LCD 480 X 272 W/ PCAP

85

NHD-240128WG-ATFH-VZ#

NHD-240128WG-ATFH-VZ#

Newhaven Display, Intl.

LCD GRAPHIC 240X128 TRANSFL

1076

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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