LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs

Image Part Number Description / PDF Quantity Rfq
HLCP-D100

HLCP-D100

Broadcom

LIGHT BAR 0.4X0.4" ALGAAS DUAL

0

HLCP-E100-BC000

HLCP-E100-BC000

Broadcom

LIGHT BAR 0.8X0.4" ALGAAS QUAD

0

HLMP-2620-EF000

HLMP-2620-EF000

Broadcom

LIGHT BAR 0.8X0.4" HER QUAD

0

HLCP-B100-BC000

HLCP-B100-BC000

Broadcom

LIGHT BAR 0.8X0.195" ALGAAS

0

HLMP-3507-D00B1

HLMP-3507-D00B1

Broadcom

LED 5MM GAP GRN RA HOUSING TH

0

HLCP-A100-BC000

HLCP-A100-BC000

Broadcom

LIGHT BAR 0.4"L X .195" ALGAAS

0

HLMP-1620-C00A1

HLMP-1620-C00A1

Broadcom

LED 3MM 5V GAP YLW RA HOUSING

0

HLCP-H100

HLCP-H100

Broadcom

LIGHT BAR 0.8X0.4" ALGAAS SINGLE

0

HDSP-4850-HIC00

HDSP-4850-HIC00

Broadcom

LED ARRAY BAR GRAPH 10 ELEMENT

0

HLMP-2870-FG000

HLMP-2870-FG000

Broadcom

LIGHT BAR 0.8X0.4" GRN DUAL

0

HLMP-1620-C00A2

HLMP-1620-C00A2

Broadcom

LED 3MM 5V GAP YLW RA HOUSING

0

HDSP-4840-FG000

HDSP-4840-FG000

Broadcom

LED ARRAY BAR GRAPH 10 ELEMENT

0

HLMP-2835

HLMP-2835

Broadcom

LIGHT BAR 0.8X0.4" GRN DUAL

0

HLMP-2635

HLMP-2635

Broadcom

LIGHT BAR 0.8X0.4" HER DUAL

0

HLMP-2735

HLMP-2735

Broadcom

LIGHT BAR 0.8X0.4" YLW DUAL

0

HLMP-6700-G0010

HLMP-6700-G0010

Broadcom

LED DOME RLED GAP YLW RT HSE

0

HLMP-Q600-F0010

HLMP-Q600-F0010

Broadcom

LED DOME GAP EMERALD GREEN RA

0

HLMP-6600-G0010

HLMP-6600-G0010

Broadcom

LED DOME RLED GAP HER RT HSE

0

HLMP-2516

HLMP-2516

Broadcom

L-BAR 0.4IN X 0.195IN GRN LONG L

0

HLCP-D100-BC000

HLCP-D100-BC000

Broadcom

LIGHT BAR 0.4X0.4" ALGAAS DUAL

0

LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs

1. Overview

Light Emitting Diodes (LEDs) are semiconductor devices that convert electrical energy into light through electroluminescence. This product category includes indicators, arrays, light bars, and bar graphs designed for circuit board integration. LEDs serve critical roles in modern electronics for status indication, data visualization, and illumination. Their advantages include low power consumption, long lifespan, and compact form factors.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
IndicatorsSingle/dual-color point-source lighting for status indicationPower switches, network routers, medical device panels
ArraysMatrix configurations for alphanumeric/symbol displaySeven-segment displays, dot matrix modules
Light BarsLinear arrangements for directional lighting/brightness zonesAudio level meters, industrial control panels
Bar GraphsSegmented columns for quantitative visual representationBattery level indicators, sensor data visualization

3. Structure and Components

Typical LED components include:

  • Die: Gallium Nitride (GaN) or Indium Gallium Aluminum Phosphide (InGaAlP) semiconductor chips
  • Substrate: FR4 or metal-core PCB for thermal management
  • Encapsulation: Epoxy resin with diffused/optical lens structures
  • Driver Circuitry: Current-limiting resistors or PWM control ICs

4. Key Technical Specifications

ParameterDescriptionImportance
Luminous Intensity0.1-100 cd/m rangeDetermines visibility in various lighting conditions
Wavelength400-700 nm (visible spectrum)Defines color output accuracy
Forward Current2-30 mA typicalImpacts brightness and longevity
Viewing Angle5-120 depending on lens designDictates light distribution pattern
MTBF50,000-100,000 hoursSystem reliability prediction

5. Application Fields

Key industries include:

  • Consumer Electronics: Smartphones, laptops, home appliances
  • Industrial Automation: PLC status indicators, HMI panels
  • Automotive: Dashboard lighting, warning indicators
  • Medical Equipment: Diagnostic status visualization

6. Leading Manufacturers and Products

ManufacturerProduct SeriesKey Features
CreeXLamp XRHigh-brightness automotive indicators
OSRAMLED LineProgrammable RGB light bars
NichiaNSPWR70CSSUltra-compact bar graph displays
EverlightDLW-5xxxWaterproof array modules

7. Selection Recommendations

Key considerations:

  • Environmental Conditions: Temperature (-40 to +85 C operational range)
  • Optical Requirements: Color consistency (CIE 1931 standard)
  • Electrical Compatibility: Driver circuit matching
  • Form Factor: 0402-5050 package size constraints
  • Cost Optimization: Trade-off between performance and budget

Industry Trend Analysis

Current trends show:

  • Micronization: Development of 0201 package formats
  • Smart Integration: Embedded ICs for addressable lighting
  • Energy Efficiency: Sub-1mA operational current devices
  • Automotive Growth: HUD and LiDAR indicator applications
  • Medical Advancements: UV/IR spectrum specialized indicators

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