PanelTest
Mobile Display Measurement System
PanelTest™ performs rapid display optical measurements for cell phone, tablet, and laptop sized LCD or OLED displays. It comes standard with three optical instruments for display measurement, an LCD tester for display drive, and can be optionally configured to provide viewing angle and multi-point measurements.
Display Size
Test up to 17″ displays with motion control and measurement spot tracking for quick and accurate measurements
Optical Instruments
3 instruments included: Spectrometer, CCD Camera, and Response Time detector. Optional 4th instrument can be installed for viewing angle measurements
Fast Automated Tests
Test Pattern Generators
Includes a Westar T-Drive SD-100 LCD Tester for automated test pattern generations and control
Designed for production line or lab
Full optical characterization
PanelTest can be set up to run many standard test suites and other display tests as well as programmable customized tests. Contact Us to learn more.
Center Screen Luminance
Center Screen Color
CIE Chromaticity
Correlated Color Temperature
Color Gamut and %NTSC
Shadowing (Cross Talk)
Gray Level Response Time
Luminance Uniformity
Contrast Ratio Uniformity
Color Uniformity
Contrast Ratio
Gamma
Flicker
Luminance vs Viewing Angle*
Contrast Ratio vs Viewing Angle*
Color vs Viewing Angle*
Image Retention
Warm Up Time
Custom Tests and more…
For an explanation on these tests and other common display measurement terms, check out the Glossary of Display Optical Measurement
Includes 3 optical instruments
PanelTest™ employs three sensors, each optimized for specific measurement tasks. A high sensitivity spectrometer with a cooled back-thinned CCD provides the highest measurement accuracy throughout the color gamut for luminance, contrast and color measurements. A CCD camera provides rapid uniformity measurements. Westar’s proven TRD-200 Temporal Response Detector uses a PMT to provide accurate flicker and response time measurement. In addition to the three sensors included, an optional imager can be installed for viewing angle performance measurements.
Automated test pattern generation
PanelTest comes standard with our T-Drive SD100 LCD Tester. T-Drive SD-100 drives RGB, CPU, SPI, and other small display formats. Westar offers New Display Tooling (NDT) solutions that allow a custom display to be tested on the PanelTest platform.
Fast and easy to operate
In the past, qualification and QC testing of mobile displays often involved a dark room laboratory with optical instruments mounted on home-made fixtures. Testing was labor intensive and took too long to acquire significant statistical data. This resulted in very long test times for qualification testing and limited QC verification. With its fully integrated instruments, display drive, and powerful software, PanelTest makes rapid qualification testing and QC testing possible!
Customizable reports
PanelTest comes standard with Microsoft Excel for data reporting. Use one of our pre-formatted reports or design your own.
Specifications
| Parameter | Specification |
|---|---|
| Motion Base | |
| X Axis Range (Left – Right) | ~20” (~50 cm) |
| Y Axis1 Range (Front –Back) | ~12” (~30 cm) |
| X, Y Accuracy / Precision | ±0.01” (0.25 mm) / ±0.006” (0.15 mm) |
| Display Under Test (DUT) | |
| Maximum Width / Height | 16” (40.6 cm) / 11” (27.9 cm) |
| Maximum Diagonal | 17” (43.2 cm) |
| Maximum Thickness3 | 1” (2.54 cm) |
| Fixturing | Standard Universal Fixture (SUF) |
| Test Capabilities | |
| Center Screen | Luminance, Color, Contrast Ratio, CCT, Gamma, CIE Chromaticity, Color Gamut and %NTSC |
| Uniformity | Luminance Uniformity, Color Uniformity, Contrast Ratio Uniformity |
| Viewing Angle2 | Luminance vs. Viewing Angle, Contrast vs. Viewing Angle, Color vs. Viewing Angle |
| Temporal | Gray Level Response Time, Flicker |
| Other | Shadowing (Cross-Talk), Image Retention, Warm-Up time |
| Custom Tests | Yes, Contact Westar |
| Instruments: CCD | |
| Optics | Wide Field of View Lens |
| Resolution | Resolution 1392x1040, 12-bit |
| Uniformity Accuracy | ±5% |
| Uniformity Repeatability | ±2% |
| Instrument Location | Fixed, direct view display active area |
| Instruments: Spectrometer | |
| Detector Type | Back thinned CCD Array TE cooled |
| Optics | Fiber optically coupled lens |
| Measurement Spot Size3 | 3.5 mm |
| Spectral Range | 380 – 750 nm |
| Spectral Resolution | less than 4nm FWHM |
| Luminance Range | 0.05 ~ 1000 cd/m2 |
| Luminance Accuracy | ±3% (illuminant A) |
| Luminance Repeatability | ±0.5% (greater than 1 cd/m2) |
| Color Accuracy | ±0.003 u’v’ (illuminant A) |
| Color Repeatability | ±0.001 u’v’ (greater than 1 cd/m2) |
| Instrument Location | Single linear axis, dual axis optional |
| Parameter | Specification |
|---|---|
| Instruments: Response Time Detector | |
| Model | Westar TRD-200 |
| Optics | Fiber optically coupled lens |
| Response Time / Repeatability | less than 50us / ±2% |
| Flicker Accuracy / Amplitude | ±1 Hz / ±5% |
| Instrument Location | Single linear axis, dual axis optional |
| Instruments: Viewing Angle Imager (optional) | |
| Viewing Angle Range | ±80º |
| Resolution | 1º |
| Luminance Accuracy | ±4% (illuminant A) |
| Instrument Location | Single linear axis, dual axis optional |
| Display Drive | |
| LCD Tester | Westar T-Drive SD-100 |
| Interfaces | RGB, CPU, 3-wire or 4-wire SPI, MIPI, MDDI, and other interfaces |
| LED Backlight Drive | Common anode, Common cathode, Series |
| Power Supplies | 3, programmable |
| Options | |
| Instruments | Viewing Angle Imager |
| Display Drive | Westar T-Drive II, Probe Fixture to accept QuickTest trays, display tooling |
| Motion | Y-Axis motion stage |
| Software | NI TestStand |
| Sequences | Standard and custom test sequences |
| System Controller PC | |
| Processor / Motherboard | 19” Rack Mounted Industrial PC with 7X USB, 6X RS-232, 2X Ethernet Ports |
| Monitor and Peripherals | 22” LCD Flat Panel, Keyboard, Mouse |
| Operating System and Software | Microsoft Windows, Microsoft Office, Westar PanelTest |
| System | |
| Outside Dimensions | 140cm (W) x 100cm (D) x 200 cm (H) |
| Weight | approx. 250 Lbs. (115 Kg) |
| Power | 115/120 VAC, 15A, 50-60Hz |
Notes: 1. Y-Axis optional 2. Viewing Angle Imager required 3. Contact us for options
Ordering Information
The standard configuration PanelTest includes the following:
- Rackmount PC with PanelTest Software
- LCD Monitor
- Light-safe test enclosure
- Integrated sensor suite
- Spectrometer and CCD camera
- Westar TRD-200 response time detector
- T-Drive SD-100 Mobile Display Tester
Check out the Options and Accessories to find out more information on customizing the PanelTest for your application
We have an extensive catalog of options and accessories for PanelTest including:
- Viewing Angle Imager
- Y-Axis motion stage
- Westar T-Drive II
- Probe Fixture to accept QuickTest display trays
- Display Tooling
- Ni TestStand
- Customized test sequences
- Power supplies
Contact Westar for more information on options and accessories
A certified Westar installer will arrive at your facility to install the PanelTest Display Measurement System. After installing the system, the installer will provide up to 2 days of training on operation.
The PanelTest Display Measurement System comes with a limited 1 year warranty and 1 year of technical support. Contact Westar for extended warranty and support options.