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 |
Application
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 |
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