Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Display device manufacturing method preventing diffusion of an aluminum element into a polysilicon layer in a heating step

Display device manufacturing method preventing diffusion of an aluminum element into a polysilicon layer in a heating step

US Patent 7479451 · Granted Jan 20, 2009

Estimated economic value: $159,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Semiconductor device2025
Semiconductor device having metal oxide layer with tapered side surface2025
Display device2025
Laser annealing method, laser annealing device, and crystallized silicon film su2024
Semiconductor device2024
Liquid crystal display device and manufacturing method thereof2024
Semiconductor device manufacturing method2024
Manufacturing method for liquid crystal display device2024
Display device and electronic apparatus2024
Electronic apparatus incorporating a liquid crystal element2024
Liquid crystal display device2023
Electronic device2023