Display Modules - LCD, OLED, Graphic

Image Part Number Description / PDF Quantity Rfq
EA DOGL128L-6

EA DOGL128L-6

Electronic Assembly (Display Visions)

LCD MOD GRAPH 128X64 Y/G

0

GEN4-ULCD-35D-CLB-PI

GEN4-ULCD-35D-CLB-PI

4D Systems

DISPLAY LCD TFT 3.5" 480X320

2

AFR240320A0-2.0INTM-I

AFR240320A0-2.0INTM-I

Orient Display

2.0'' IPS 240X320 MIPI

19

EA PLUGL128-6GTC

EA PLUGL128-6GTC

Electronic Assembly (Display Visions)

LCD MOD GRAPH 128X64 YLW/BLK

23

PH480272T009-IHC05

PH480272T009-IHC05

Powertip Technology Inc.

4.3" TFT LCD DISPLAY, 480X272 DO

10

AMG240160Q-G-W6WFDW

AMG240160Q-G-W6WFDW

Orient Display

COG GRAPH 240160 FSTN+ TRANSF

357

INT028ATFT-TS

INT028ATFT-TS

Displaytech

LCD DISP TFT 2.8" 240X320

0

AFY1024600A0-7.0INTH

AFY1024600A0-7.0INTH

Orient Display

7.0" SUNLGHT READABLE TFT

71

MIKROE-2164

MIKROE-2164

MikroElektronika

RIVERDI DISPLAY 4.3"

0

AGN480272A00-4.3N12NSM-R

AGN480272A00-4.3N12NSM-R

Orient Display

EMBED LCD 4.3" 480272 UART RTP

12

SK-220RD-AR

SK-220RD-AR

4D Systems

KIT ULCD-220RD-AR USD4GB UUSBPA5

24

104060007

104060007

Seeed

7" 1024X600 CAP TOUCH SCREEN

20

GEN4-ULCD-28PT-PI

GEN4-ULCD-28PT-PI

4D Systems

DISPLAY LCD TFT 2.8" 240X320

1

NHD-1.27-12896ASC3

NHD-1.27-12896ASC3

Newhaven Display, Intl.

1.27" SERIAL COLOR OLED

20

2396

2396

Adafruit

7" TFT DISPLAY 1024 X 600

0

NHD-7.0-800480WF-CTXI#

NHD-7.0-800480WF-CTXI#

Newhaven Display, Intl.

LCD TFT 7" 800X480 WHT W/CTLR

0

4DPI-32-II

4DPI-32-II

4D Systems

DISPL 3.2" 320X240 PRIMARY RASPB

77

EA DOGM128W-6

EA DOGM128W-6

Electronic Assembly (Display Visions)

LCD MOD GRAPH 128X64 BLK/W

607

MIKROE-2284

MIKROE-2284

MikroElektronika

MIKROMEDIA HMI 5" RES

0

SL-TFT7-TP-800-480-P

SL-TFT7-TP-800-480-P

SoMLabs

TFT LCD DISPLAY 7", 800X480PX, C

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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