Light source assembly and micro total analysis system

US11213822B2 · kind B2 · utility

Assignee

• BOE Technology Group Co., Ltd. · CN

Inventors

• Fangzhou Wang · Beijing, CN
• Xianqin Meng · Beijing, CN
• Wei Wang · Beijing, CN
• Jifeng Tan · Beijing, CN
• Jian Gao · Singapore, SG
• Xiandong Meng · Beijing, CN
• Pengxia Liang · Beijing, CN
• Qiuyu Ling · Beijing, CN
• Xiaochuan Chen · Beijing, CN

Key dates

• Filing date: Jun 28, 2019
• Grant date: Jan 4, 2022
• Expiry date: Mar 3, 2040

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N2201/0635
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

The present disclosure provides a light source assembly including a light source and a bull's eye collimation structure disposed on a light exiting side of the light source and configured to collimate light beam emitted by the light source. The bull's eye collimation structure includes a metal layer including a sub-wavelength aperture and a plurality of annular recesses surrounding the sub-wavelength aperture, the plurality of annular recesses being arranged along a radial direction of the sub-wavelength aperture.