RETS-100 Phase Difference Film Optical Material Inspection Equipment-Fornitore globale

The corresponding range is wide, ranging from reflective and transmissive cells with encapsulated liquid crystals to empty cells with color filters

PRODUCT INFORMATION

Characteristics

• Adopting polarized optical system and multi-channel spectral detector
• There are devices that can accommodate various sizes, from 1mm optical elements to the 10th generation of large substrates
• Safety measures and particle countermeasures can correspond to the inspection equipment within the LCD line

Measurement project

• Seal the cell gap
Twist angle
Rubbing angle
Pre tilt angle [TN, IPS,FFS,MVA］
• Empty cell gap
Wavelength dispersion of phase difference (complex refractive phase difference)
• Optical axis
• Ellipticity/azimuth angle
• Three dimensional refractive index/Rth/β
• Spectral analysis/chromaticity

Measurement Object

LCD cell
-Translucent and semi transparent liquid crystal cells (TFT, TN, STN, IPS, VA, OCB, strong induction)
-Reflective liquid crystal cells (TFT, TN, IPS, VA)
• Optical materials
-Other (phase difference, ellipse, polarizing film, liquid crystal material)

Specifications

model	RETS series
Sample size	20mm × 20mm~*
Cell gap measurement range	0.1 μ m to 10 μ m
Cell gap repeatability	±0.005μm
detector	multichannel spectrophotometer
Measuring wavelength range	400nm ～ 800nm
optical system By using a biased photon unit	Polarization Optics System Extinction ratio of 10-5 with built-in Gran Thomson prism (calcite) Automatic rotation (angle accuracy 0.1 °), automatic loading and unloading mechanism
measuring aperture	φ2, φ5, φ10 (mm)
Optical axis tilt mechanism	-20-45 °, -45~45 °, etc

*Large glass substrates can also be used (over 2000mm x 2000mm)

Measurement case

Phase difference and liquid crystal layer gap value

LCD in-plane distribution map

Phase difference film/optical material inspection equipment RETS-100