公开(公告)号：WO2023043943A1

公开(公告)日：2023-03-23

申请号：PCT/US2022/043691

申请日：2022-09-15

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： PENG, Fenglin ,  HUANG, Yuge ,  TYAGI, Anurag ,  SHI, Zhimin

IPC: H01L51/52 ,  H01L27/32

Abstract: Various embodiments set forth light emission display elements, and display devices that include such display elements. In some embodiments, a display element includes an electroluminescent light source and a pair of reflective elements that form a resonant cavity for a particular range of wavelengths and/or a particular polarization of light. One or both of the reflective elements can include meta-reflectors, such as anisotropic meta-reflectors or chiral meta-reflectors. An optional waveplate can be placed between the reflective elements to adjust the polarization state of light emitted by the display element.

公开(公告)号：WO2022245684A1

公开(公告)日：2022-11-24

申请号：PCT/US2022/029354

申请日：2022-05-14

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： OUDERKIRK, Andrew John ,  SCHELLER, Maik Andre ,  VADIEE, Ehsan ,  GOWARD, John ,  TYAGI, Anurag ,  PETERSON, Jonathan Robert ,  LIAO, Christopher Yuan Ting

IPC: H01L31/0475 ,  H01L31/167 ,  H01L31/0232 ,  H01L31/12 ,  H01S5/042 ,  H01L31/101

Abstract: A method of forming a high voltage optical transformer includes forming a via through a transparent carrier wafer, forming a conductive layer within the via, bonding a solid state lighting (SSL) package to a first side of the carrier wafer, and bonding a photovoltaic (PV) wafer to a second side of the carrier wafer opposite to the first side. The photovoltaic wafer may include an active area and a conductive area located outside of the active area that is in electrical contact with the conductive layer. The method further includes forming both an SSL contact with the solid state lighting package and a PV contact with the conductive layer on the same side of the carrier wafer.