Structured Manufacturing Data (2026)

Light Sensor

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Light Sensor used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Light Sensor is characterized by the integration of Photodiode and Optical Filter. In industrial production environments, manufacturers listed on CNFX commonly emphasize Semiconductor (e.g., Silicon) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A device that detects and measures light intensity or illuminance.

Product Specifications

Technical details and manufacturing context for Light Sensor

Definition
A component within an Environmental Sensor Array that monitors ambient light levels, providing data for environmental control, energy management, and automated lighting systems.
Working Principle
Converts incident light into an electrical signal using photodiodes, phototransistors, or photoresistors, with output proportional to light intensity.
Common Materials
Semiconductor (e.g., Silicon)
Technical Parameters
  • Measurement range of detectable light intensity (lux) Standard Spec
Components / BOM
  • Photodiode Part
    Converts light photons into electrical current
    Material: Silicon
  • Optical Filter Part
    Filters specific wavelengths for accurate spectral response
    Material: Glass or Polymer
  • Signal Conditioning Circuit
    Amplifies and processes the raw electrical signal
    Material: Copper, Silicon

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Light Sensor.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 1 bar (ambient pressure only)
other spec: Illuminance range: 0.01 to 100,000 lux
temperature: -40°C to 85°C
Media Compatibility
✓ Indoor ambient air ✓ Cleanroom environments ✓ Outdoor weather-protected enclosures
Unsuitable: High-pressure or submerged liquid applications
Sizing Data Required
  • Required illuminance measurement range (lux)
  • Spectral response requirements (e.g., visible, IR, UV)
  • Required accuracy and response time

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Photodetector degradation
Cause: Prolonged exposure to UV radiation or high-intensity light sources causing semiconductor material breakdown
Lens contamination/obscuration
Cause: Accumulation of dust, oil mist, or process residues on optical surfaces reducing light transmission
Maintenance Indicators
  • Inconsistent or erratic readings despite stable light conditions
  • Visible accumulation of contaminants on lens surface or physical damage to optical components
Engineering Tips
  • Install protective UV filters or optical attenuators for high-intensity applications to prevent photodetector saturation and degradation
  • Implement regular cleaning schedules using appropriate optical-grade solvents and lint-free wipes, combined with environmental sealing where feasible

Compliance & Manufacturing Standards

Reference Standards
ISO 15008:2017 (Road vehicles - Ergonomic aspects of transport information and control systems - Specifications and test procedures for in-vehicle visual presentation) ANSI/IES LM-79-19 (Approved Method: Electrical and Photometric Measurements of Solid-State Lighting Products) DIN 5032-7:2017-08 (Photometry - Part 7: Classification of illuminance meters and luminance meters)
Manufacturing Precision
  • Spectral Response: +/-5% deviation from specified wavelength range
  • Linearity Error: +/-2% across full measurement range
Quality Inspection
  • Dark Current Test (measurement of output signal in complete darkness to verify noise levels)
  • Spectral Response Calibration (verification against NIST-traceable reference light sources)

Factories Producing Light Sensor

Manufacturer profiles with relevant production capability in China

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary application of this light sensor in manufacturing?

This light sensor is primarily used for quality control, automated inspection systems, and environmental monitoring in computer, electronic, and optical product manufacturing facilities.

How does the optical filter improve sensor performance?

The optical filter selectively transmits specific wavelengths while blocking others, enhancing measurement accuracy by reducing interference from ambient light sources and improving signal-to-noise ratio.

What maintenance is required for industrial light sensors?

Regular calibration, cleaning of optical surfaces, and inspection of electrical connections are recommended. The semiconductor components typically have long lifespans with minimal maintenance when used within specified operating conditions.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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