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:
May. 17, 2022
Filed:
Feb. 13, 2019
Maven Optronics Co., Ltd., Hsinchu County, TW;
Chieh Chen, Palo Alto, CA (US);
Maven Optronics CO., LTD., Hsinchu County, TW;
Abstract
A chip-scale packaging (CSP) light-emitting device (LED) is provided with an electrode polarity identifier, and includes a light-emitting semiconductor chip and a packaging structure. A first horizontal direction and a perpendicular second horizontal direction are specified on a semiconductor-chip-upper surface. The packaging structure covers the semiconductor-chip-upper surface, a first semiconductor-chip-side surface and a second semiconductor-chip-side surface of the light-emitting semiconductor chip, and includes a first package-side surface and a second package-side surface. A first region is between the first package-side surface and the first semiconductor-chip-side surface, and a second region is between the second package-side surface and the second semiconductor-chip-side surface, wherein an area of the first region is different from an area of the second region. An orientation of the electrode polarity of the CSP LED can be visually identified by recognizing the area difference of the first region and the second region.