Display panel defect inspection in different layer
In display panel production line there may be defects like light spot, scratch, particals might cause a 100% mandatory scrapping. With VOMMA 3D inspection solution locates 3D position of defects by 1 single shot. fundamentally preventing the mandatory scrapping issues.
Defects Description
Cases
Camera module | VA6H-06B1@L4D00CG |
Inspectable display film & panel type | Polarizer |
LCD、OLED、MINILED | |
Defect type | Scratch/ Bubble/ Fur/ Partical/ Bad points |
Inspectable depth of panel | <1mm |
Inspection accuracy | Over-inspection rate:≤0.1% |
Detection failure rate:≤0.1% | |
Inspection efficiency | Change by different product sizes |
Case Sharing
N customer polarizer defect inspection
Cases | N customer polarizer defect inspection |
Project testing requirements | four hundred × 200mm ² Linear polarizer (with protective film) |
thickness 439μm | |
Product Description | 50μm point defect delamination insepection |
Description of Requirement | traditional solutions cannot determine the level of defects and cannot improve the process. |
Project status | 2021.3, communication needs |
2021.11, put into verification | |
2022.3,The first set of solutions was verified and passed | |
2022.5,Bulk delivery | |
Product solutions | light field camera:VA6H-06B1@L4D00CG |
Inspection efficiency | 2min/piece |
Product operation status | Still running stably so far |
Project environmental standards:
content | Design Notes | Parameter requirements |
Flatness of incoming materials | When configured with vacuum or fixture positioning, the product is required to be laid flat as a whole and within the required plane height difference. | (<8 inches) Mobile phone panel <±30μm |
(≥8 inches) TV panel <±100μm | ||
Stage flatness | (<8 inches) Mobile phone panel <±10μm | |
(≥8 inches) TV drama panel <±50μm | ||
Camera motion control | Camera: can be moved vertically | Z-direction nuclear load>2kg |
Product: The stage can be moved horizontally and leveled within the required range. | Z-direction motion repeatability <1μm | |
work shock | The accuracy requirement is <100μm, and a shock-proof stage and camera structure are required. | Meets VC-A shockproof level |
Camera & Light Source | High-level trigger camera collects and links trigger light source | Response time <10ms |
trigger control | ||
operating system | Window10 operating system | Graphics card driver update needs to be in 2023 |
Updated graphics card driver | ||
Industrial computer requirements | Equipped with discrete graphics card | Graphics card requirements are related to efficiency requirements (minimum configuration is Nvidia GTX 1650 8Gb) |
The motherboard has an additional CXP-6 interface |
Project Video