The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 2026
Filed:
May. 05, 2023
Visual Photonics Epitaxy Co., Ltd., Taoyuan, TW;
VISUAL PHOTONICS EPITAXY CO., LTD., Taoyuan, TW;
Abstract
The present invention is a semiconductor device having a defect blocking region. The semiconductor device includes a substrate, a defect source region, a semiconductor layer and a defect blocking region. The defect source region is on the substrate, wherein the defect source region is a metamorphic buffer layer or a buffer layer, the semiconductor layer over the defect source region, wherein a lattice constant of the semiconductor layer is different from a lattice constant of the substrate. The defect blocking region is disposed on the substrate and below the semiconductor layer, wherein the defect blocking region includes a superlattice structure, wherein at least one of two adjacent layers of the superlattice structure has strain relative to the semiconductor layer, or a lattice constant of the superlattice structure is close to or equal to the lattice constant of the semiconductor layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile