ENC TECHNOLOGY

KOR ENG

OLED/LCD

  • Exterior
    Vision Inspection
  • Automation
  • Reliability Chamber
  • Quality Evaluation

Exterior
Vision
Inspection

Equipment that automatically inspects the external defects of Display Module and Cover Glass based on Vision/Algorithm technology

It can improve the yield rate/quality and the management of defective data when compared to the inspection
by human eyes, minimizing the inspection manpower

Feature

  • It can make Top/Side/Bottom inspection and re-examination by applying various optical systems
  • It can perform automatic inspection by linking inspection program/algorithm and control
  • We responded to rigid/flexible module/cover glass inspection by developing various inspection stages
  • We optimized the inline production by applying CIM Program
  • We reduced the job change time by managing the recipes by model
  Mobile Watch Tablet Notebook Monitor
  Cover Glass Module Module Module Module Module
Rigid ○ ○ ○
Flexible ○ (UTG) ○ ○ (TBD) (TBD) (TBD)
  • UTG : Ultra Thin Glass

Automation

Automation system is based on its high reliability and the facilities before and after inspection

A. Loader/Unloader

  • It is installed before and after the inspection facility for input/discharge/transfer
  • It connects the logistics of front facility and inputs the pallets at the same time
  • It checks the presence and loading status of cells on the tray using the vision
  • It has the cleaning option at the input end
  • It is controlled by PC/PLC

B. Stacker

  • Equipment that separates good(OK) and defective(NG) products after inspection
    and loads them separately in trays or cassettes
  • It separately stacks the OK and NG trays
  • It checks the presence and loading status of cells on the tray using the vision
  • It is controlled by PC/PLC

C. Buffer Facility

  • Equipment that plays the role of buffer or re-input required for logistics operation
  • It checks the presence and loading status of cells on the tray using the vision
  • It is controlled by PC/PLC

Reliability Chamber

Equipment to test the reliability of the product whether it can perform its function without problems under given conditions by uniformly controlling various environmental stress factors

Feature

  • Temperature rise/fall speed 1℃/min
  • Option to choose water-cooling/air-cooling type
  • Option for customer to adjust to Internal size and appearance/No. of channels
  • Options for various measurement environments
  • Constant temperature/humidity type : Temperature-40℃~100 ℃(±1.5 ℃), Humidity 30~95% (±3%)
  • Low/high temperature type : -40℃~100 ℃(±1.5 ℃)
  • LTS
  • IVL
  • FPMS
  • Impedance Measurement

LTS

LTS ( Life Time measurement System )

Equipment that measures the life characteristics of displays in various stages of production

We configure the optimum system for each sample production stage and provide the options(Peltier/Chamber, etc.) based on the measurement temperature environment.

Feature

  • We make the life test for various types of samples
    (Test Cell/Cell/Module)
  • We perform optical measurement using Photo Diode/
    Spectroradiometer, and utilize the optimal evaluation program.
    (Light intensity, luminance, spectrum measurement)
  • Using the self-developed precision power module, we secure the consistency of evaluation data with minimal noise
  • We can make the independent conditional test for each channel
  • There are various measurement environment options
  • Photo Diode type (Chamber)
    : Room temperature, high temperature(25°C~120°C),
    high/low temperature(-40°C~120°C)
  • Spectroradiometer type (Peltier) : Room temperature, high temperature(25°C~100°C)
  TEG Cell Cell(Panel) Module
OLED ○ ○ ○
LCD ○ ○ ○
  • TEG(Test Element Group) : Cell to implement the test pattern
  • TEG Cell is classified into Photo Diode type and Spectroradiometer Type

IVL

IVL ( Intensity of electron flow Voltage Luminance )

Equipment that automatically analyzes the characteristics of a light source by measuring the correlation
between the current/voltage and luminance of the sample

The system is configured according to sample production stage and required White Angle Difference(WAD)

Feature

  • A test that measures IVL of various types of samples
    (Test Cell/Cell/Module)
  • Accurate current/voltage data can be measured by minimizing electrical noise
  • Color characteristics and efficiency of samples can be analyzed using spectral data
  • Center Auto Tracking of samples can be performed according to WAD, and multiple channels can be analyzed simultaneously.
  TEG Cell Cell(Panel) Module
Normal ○ ○ ○
WAD ○ ○ ○
  • WAD : White Angle Difference(measures/evaluates the amount of change in luminance and color coordinates according to the viewing angle compared to the front)

FPMS

FPMS ( FPD Performance Measurement System )

Equipment that measures and evaluates the electrical and optical characteristics of the Display Module

It evaluates the display characteristics based on various evaluation standards

Feature

  • It can respond to various detectors(Spectroradiometer, Photometer, etc.) for each measurement item
  • It can operate in automatic/manual modes by evaluation standard(VESA, TCO, ISO-13406, etc.)
  • It can respond to various panels from mobile use ones to ultra-large ones over 100" as well as customer options

(Option for Full Auto)

  • The samples are automatically input, aged, measured, and discharged
  • Simultaneously with the measurement, aging work is executed on the sample to be measured.
  • Aging Zone and Measurement Zone are divided and controlled separately(PC/PLC)
  Mobile Tablet Notebook Monitor TV DID
Normal ○ ○ ○ ○ ○ ○
Full Auto ○ ○ ○ ○ ○ ○
  • Mobile : Including Watch
  • DID(Digital Information Display)

Impedance
Measurement

Impedance Measurement

Equipment that measures the changed impedance characteristics by applying the changed frequency
to the OLED material according to the variable voltage

Feature

  • It can acquire the data fast
  • It makes precision measurement with high accuracy and repeatability
  • It performs a various analysis through application of different frequencies
  • It has the control program optimized for evaluation