Displays / Video Equipment Automated Test Equipment
Description
Displays/Video Equipment Automated Test Equipment (ATE) is designed to perform automated testing of display devices to ensure their quality and functionality. This equipment is capable of identifying defects and measuring various display parameters such as brightness, color uniformity, and pixel integrity. The system typically includes imaging colorimeters and software that control the testing process and analyze the results.
Working Principle
The working principle of display ATE involves capturing images of the device under test (DUT) using high-resolution imaging colorimeters. These colorimeters measure the visual performance of displays by analyzing the brightness, color, and spatial relationships of the display. The captured images are processed by software that identifies defects and quantifies display quality metrics. This automated process allows for consistent and repeatable testing, reducing human error and increasing efficiency. The system can classify defects and determine pass/fail status based on predefined criteria, which is crucial for maintaining quality standards in display manufacturing.
Applications
Display ATE is used in various applications, including the testing of smartphones, tablets, laptops, TVs, and digital signage. For example, in the production of OLED and microLED displays, ATE ensures that each subpixel's brightness is tightly controlled to achieve accurate and uniform colors. It is also used in automotive and AR/VR display testing to evaluate parameters such as contrast, gradient, and view angle performance.
Advantages over other Automated Test Equipment
One of the primary advantages of display ATE is its ability to provide quantitative data through automated inspection, which is not only faster but also more consistent than manual testing methods. The use of imaging colorimeters allows for precise measurement of display characteristics that align with human perception, such as luminance and color uniformity. This capability is particularly beneficial in high-volume production environments where efficiency and accuracy are paramount.
Limitations
A limitation of display ATE is the upfront cost associated with programming and setup. The initial investment in high-performance imaging colorimeters and software can be significant. Additionally, while the system is highly effective in identifying defects, it may require periodic calibration and maintenance to ensure continued accuracy and reliability.
Considerations
When considering the implementation of display ATE, it is important to evaluate the initial costs, including the purchase of imaging colorimeters and software licenses. Operating expenses should also be considered, such as the cost of regular maintenance and potential software updates. The durability and accuracy of the equipment are critical factors, as they directly impact the long-term return on investment. Replacement and maintenance costs should be factored into the overall budget to ensure the system remains operational and effective over time.
from Konica Minolta Sensing Americas, Inc.
Specially-designed lens option for near-eye display testing within augmented and virtual reality headsets. The AR/VR Lens has a unique optical design specially engineered for measuring near-eye displays (NEDs), such as those integrated into virtual (VR), mixed (MR), and augmented reality (AR)... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment; Augmented and Virtual Reality Displays
- Tester / Test Capability: X-ray; Luminance, Chromaticity
- Type / Form: Module, Sub-system or ATE Component
from Unigraf
Description. Unigraf provides companion test tools to be used with Keysight, Tektronix and Rohde & Schwarz Oscilloscopes in testing PHY compliance on DisplayPort. The table below indicates the different levels of support and related product number for each PHY compliance test tool. With Keysight... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
from Konica Minolta Sensing Americas, Inc.
Fast, Accurate, Cost-effective View Angle Performance Measurement Solution for Flat Panel Displays. The Radiant Vision Systems FPD (flat panel display) Conoscope Lens enables high-resolution photopic measurement of the angular distribution of color, luminance, and contrast of displays and display... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Type / Form: Platform or Turnkey System; Output Measurement or Monitoring Unit
from Unigraf
Description. DPA-400 and its AUX Channel Monitor user interface (GUI) provides a compact, pocket-sized tool for recording and analyzing DisplayPort AUX channel traffic. It enables the user to monitor, capture, and document all AUX Channel transactions over a DisplayPort link. AUX Channel Monitor GUI... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Type / Form: Output Measurement or Monitoring Unit
from Konica Minolta Sensing Americas, Inc.
Specially-designed lens option for high-resolution imaging of small light source and display features. The Radiant Vision Systems Microscope Lens enables high-resolution imaging of extremely small components and features, such as individual LEDs, display pixels, and subpixels. The lens attaches... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Tester / Test Capability: X-ray
- Type / Form: Module, Sub-system or ATE Component
from Unigraf
Description. DPR-100 is a compact-sized and easy to use platform for Audio and HDCP compliance tests of DisplayPort Source devices. It provides all features needed for testing DisplayPort source devices like PC display cards or portable computers. It serves also as an AUX Controller for PHY CTS test... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
from Konica Minolta Sensing Americas, Inc.
Evaluation tool kit specific to US and ECE headlamp standards. Today's headlights include smart illumination, adaptive systems like matrix LED- or laser-based systems, and other technology that dynamically illuminates roadways while meeting the requirements of national safety regulations. Because... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Type / Form: Platform or Turnkey System; Output Measurement or Monitoring Unit
from Unigraf
Description. The DPT-200 is a fully-featured and easy to use DisplayPort source for development, debug and production line testing of DP controlled flat panel display modules, monitors and TV sets. DPT-200 is fully compatible with Unigraf DP RefSource CTS tools. DPT-200 is a hardware platform for... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Type / Form: Input Stimulus or Signal Source Unit
from Konica Minolta Sensing Americas, Inc.
The World's Fastest and Most Accurate High-Resolution Imaging Colorimeters. ProMetric® I imaging colorimeters are designed to address the demands for high-volume manufacturing of displays, backlit components, light sources, and device components. Applying tristimulus color filter technology based on... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Type / Form: Module, Sub-system or ATE Component; Output Measurement or Monitoring Unit
from Unigraf
Description. UCD-240 is a cost-effective and flexible Test Automation tool for testing USB Type-C ® products in the production line environment. UCD-240 is a fully-featured Test Automation tool supporting DP Alt Mode, 4K@60Hz and NI TestStand. UCD-240 is easy-to-use and its test coverage... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
from Konica Minolta Sensing Americas, Inc.
Fast, small-format Photometers optimized for display test and cosmetic inspection in production environments. ProMetric ® Y is a series of performance imaging photometers designed for high-volume production testing of displays, keyboards, lighting products, device components, and surfaces. [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Tester / Test Capability: Functional
- Type / Form: Module, Sub-system or ATE Component; Output Measurement or Monitoring Unit; CAD Interface, Database, Test Program Generator or Other Test Software
- Features: Self-calibration or Test Verification
from Unigraf
Description. UCD-301 is a UHD / 4K@60Hz compliant video capture unit for testing DisplayPort ™ and HDMI Sources. UCD-301 enables testing all aspects of HDMI 2.0 and DP 1.4a with HBR2 max bit rate capability. UCD-301 is a DCP approved test tool for HDCP 2.3 compliance testing of DisplayPort... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
from Konica Minolta Sensing Americas, Inc.
ProSource ®enables optical system designers to fully exploit Radiant Source Model ™ files (RSMs) of light sources and lighting systems. RSMs are the most accurate method for describing the near-field output of real light sources in optical and illumination design software because they... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Type / Form: Platform or Turnkey System; Output Measurement or Monitoring Unit
from Unigraf
Description. UCD-323 is a fully-featured R &D debug tool for testing all aspects of HDMI 2.0 and DisplayPort 1.4a (limited to HBR2 max bit rate capability). UCD-323 combines Reference Source and Reference Sink functionality in one unit. UCD-323 is a DCP LLC Approved Test Tool for HDCP 2.3 CTS... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
from Konica Minolta Sensing Americas, Inc.
Complete analysis system for characterizing display mura in terms of human visual perception. Radiant Vision Systems TrueMURA ™ Analysis Module is the first commercial system available to provide advanced image analysis algorithms for computing JND ("Just Noticeable Differences"). This... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Type / Form: Platform or Turnkey System; Output Measurement or Monitoring Unit
from Unigraf
Description. UCD-400 is an HBR3 capable 8K video generator and analyzer. With UCD-400 you can verify DisplayPort ™ interfaces up to 8K@30 Hz (8K@60 Hz with DSC) and 4K@120 Hz video modes. The unit supports FEC, DSC, and LTTPR. UCD-400 is approved as an official DP 1.4a Link Layer compliance... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
from Konica Minolta Sensing Americas, Inc.
Quality testing and defect detection. When testing the quality of illuminated components and displays, or looking for defects in assemblies and surfaces, multiple tests may need to be performed to inspect products for a range of evaluation criteria. TrueTest ™ Software equips ProMetric ®... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment; Backlight
- Tester / Test Capability: X-ray; Luminance, Chromaticity
- Type / Form: Platform or Turnkey System; Output Measurement or Monitoring Unit; CAD Interface, Database, Test Program Generator or Other Test Software
from Unigraf
Description. Request an Online Demo. UCD-451 (P/N: 066617) is a video generator for testing Dolby Vision on DisplayPort ™ 1.4a sink devices with HBR3 max bit rate capability. Resolutions supported: 8K@30 Hz and 4K@120 and Hz 8K@60 Hz (with DSC). DP 1.4a Link Layer CTS Tool for Sinks*. HDCP... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
from Konica Minolta Sensing Americas, Inc.
Application-specific software module for evaluating display quality in augmented (AR) and virtual reality (VR) devices. Displays viewed near to the eye create immersive virtual experiences, such as those integrated into AR/VR devices. However, as display images are magnified to fill a user's field... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Tester / Test Capability: Modulation Transfer Function (MTF), Evaluate Image Clarity, Image Distortion, Field View, Spatial x,y positions given in degrees
- Type / Form: Module, Sub-system or ATE Component; Output Measurement or Monitoring Unit
from Unigraf
Description. Request an Online Demo. UCD-452 (P/N: 066615) is a Dolby Vision Test Tool and 10K Video Generator for testing HDMI 2.1 sink devices up to 10K video modes. UCD-452 supports: FRL/TMDS. Video modes up to 4K@120Hz, 8K@60Hz, 10K@30Hz, 10K@60Hz (with DSC). FEC and DSC. eARC. HDCP 1.4 and HDCP... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
from Konica Minolta Sensing Americas, Inc.
Application-specific software module with tests for evaluating the quality of displays integrated into vehicles. Automotive displays face particular demands for performance through variable lighting conditions, temperatures, vibrations, viewing angles, and other factors. Ensuring visual quality of... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Tester / Test Capability: Functional
- Type / Form: Module, Sub-system or ATE Component; Output Measurement or Monitoring Unit
from Unigraf
Description. UCD-500 Gen2 is a DP 2.1 Link Layer CTS Test Tool. It supports testing DP Sinks and Sources with UHBR 20 Max Bit Rate Capability with both USB-C and DP connectors. UCD-500 Gen2 supports: Link Layer CTS. 10, 13.5 and 20 Gbp/s lane rates. Video modes up 8K@60Hz and 16K@60 Hz (with DSC). [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
from Konica Minolta Sensing Americas, Inc.
Application-specific software module for evaluating the quality of head-up display system projections. Head-up displays (HUDs) pose unique measurement challenges for manufacturers, who must account for projected image luminance, contrast, and clarity regardless of ambient conditions, virtual image... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Tester / Test Capability: Light Measurement, Image Distortion, Characterize luminance, chromaticity, and evaluate values including contrast and uniformity.
- Type / Form: Module, Sub-system or ATE Component; Output Measurement or Monitoring Unit
from Konica Minolta Sensing Americas, Inc.
Application-specific software module for evaluating near-infrared lasers and LEDs. Near-infrared (near-IR or NIR) emissions of light are used by devices to sense objects while eliminating visible light interference and human visual distraction. However, because NIR emissions are invisible, test... [See More]
- Component / Product Tested: Displays, Video or Vision Equipment
- Tester / Test Capability: Functional
- Type / Form: Module, Sub-system or ATE Component; Output Measurement or Monitoring Unit