Display Modules - LCD, OLED, Graphic

Image Part Number Description / PDF Quantity Rfq
UOLED-128-G2

UOLED-128-G2

4D Systems

MOD OLED 1.5" 128X128 GOLDELOX

71

TCG070WVLPEAFA-AA30

TCG070WVLPEAFA-AA30

Kyocera Display

LCD TFT DISPLAY WVGA 7.0"

0

G126CLGFGLW6WTCCXAL

G126CLGFGLW6WTCCXAL

Focus LCDs

128X64 FSTN GRAY GRAPHIC LCD

25

EA DIP180B-5NLW

EA DIP180B-5NLW

Electronic Assembly (Display Visions)

LCD MOD GRAPH 180X32 W/BACKLIT

14

HTT50A-TPC-BLM-B0-H6-CH-VPT

HTT50A-TPC-BLM-B0-H6-CH-VPT

Matrix Orbital

GRAPHIC TFT HDMI RGB 35.0V FULL

82

GEN4-ULCD-43D

GEN4-ULCD-43D

4D Systems

DISPLAY LCD TFT 4.3" 480X272

40

ULCD-43PT-AR

ULCD-43PT-AR

4D Systems

4.3" LCD PACK FOR ARDUINO W/ADAP

0

SK-GEN4-35DCT-CLB

SK-GEN4-35DCT-CLB

4D Systems

DISPLAY LCD TFT 3.5" 480X320

5

T-55788GD121J-LW-AHN

T-55788GD121J-LW-AHN

Kyocera Display

LCD TFT DISPLAY SVGA 12.1"

0

VTFT043LXFT01

VTFT043LXFT01

Varitronix International Ltd.

4.3" TFT - 480 X 800 IPS RGB

50

EA TFT043-42ANN

EA TFT043-42ANN

Electronic Assembly (Display Visions)

LCD MOD GRAPH 480X272 W/ BACKLIT

0

E35RG13248LW6M250-R

E35RG13248LW6M250-R

Focus LCDs

3.5" TFT RESISTIVE TOUCH

18

4DLCD-35480320-CTP

4DLCD-35480320-CTP

4D Systems

IPS LCD MODULE 3.5" 320X480 PXL

6

LQ104V1DG81

LQ104V1DG81

Sharp Microelectronics

LCD TFT DISPLAY VGA 10.4"

84

NHD-7.0-800480EF-ASXN#-CTP

NHD-7.0-800480EF-ASXN#-CTP

Newhaven Display, Intl.

LCD TFT DISPLAY WVGA 7" CAP T/S

281

SK-35DT

SK-35DT

4D Systems

KIT ULCD-35DT USD-4GB UUSB-PA5

0

VTFT050MPNT01

VTFT050MPNT01

Varitronix International Ltd.

5.0" TFT WITH INTEGRATED PROJECT

50

EA OLEDM128-6LGA

EA OLEDM128-6LGA

Electronic Assembly (Display Visions)

LCD MOD GRAPH 128X64 YLW/BLK

4

EA TFT050-84ATS

EA TFT050-84ATS

Electronic Assembly (Display Visions)

LCD MOD GRAPH 800X480 W/BACKLIT

2

GEN4-ULCD-70DCT-CLB-SB-PI

GEN4-ULCD-70DCT-CLB-SB-PI

4D Systems

DISPLAY LCD TFT 7.0" 800X480

7

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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