公开(公告)号：US11631818B2

公开(公告)日：2023-04-18

申请号：US17098493

申请日：2020-11-16

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Tingling Rao ,  Lafe Purvis ,  Tanya Malhotra ,  Andrew John Ouderkirk

IPC: H01L51/00 ,  H01L51/05

Abstract: An organic field effect transistor includes a channel structure having a photoalignment layer and an organic semiconductor layer disposed directly over the photoalignment layer, where a charge carrier mobility varies along a thickness direction of the channel structure. The channel structure may define an active area between a source and a drain of the transistor and may include alternating layers of at least two photoalignment layers and at least two organic semiconductor layers. Each photoalignment layer is configured to influence an orientation of molecules within an overlying organic semiconductor layer and hence impact the mobility of charge carriers within the device active area while also advantageously decreasing the OFF current of the device.

公开(公告)号：US11594672B2

公开(公告)日：2023-02-28

申请号：US16417911

申请日：2019-05-21

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Tanya Malhotra ,  Kenneth Diest ,  Andrew John Ouderkirk ,  Robin Sharma ,  Barry Silverstein ,  Christopher Yuan Ting Liao ,  Erik Shipton ,  Greg Olegovic Andreev ,  Katherine Marie Smyth

IPC: H01L41/047 ,  H01L41/193 ,  H01L41/09 ,  H04R17/00 ,  G02B27/01 ,  G02F1/01 ,  G02F1/061 ,  G02B5/08 ,  G02B5/30 ,  G02B27/10 ,  G06F3/01 ,  C08F14/20 ,  C08F14/22 ,  C08G77/04 ,  H01L41/083 ,  H01L41/18 ,  G02B5/18 ,  F21V8/00 ,  G02F1/29 ,  H01L41/04 ,  H01L41/253 ,  H02N1/00 ,  B05D3/06 ,  B05D3/10 ,  G02C7/08 ,  G06T19/00 ,  G06V20/20 ,  C08J9/00 ,  C08J9/04 ,  C08J9/28 ,  G02B1/04 ,  G02F1/00 ,  G02F1/065 ,  G02F1/225 ,  B29C55/00 ,  B32B27/20 ,  B32B38/00 ,  B32B38/10 ,  B29D11/00 ,  G02B3/00 ,  G02B5/04 ,  C08L83/04 ,  B82Y30/00 ,  B82Y40/00 ,  G02B7/04 ,  G02B26/00 ,  G02B3/12 ,  B32B27/30 ,  B32B33/00 ,  B29K105/04

Abstract: Examples include a device including a nanovoided polymer element having a first surface and a second surface, a first plurality of electrodes disposed on the first surface, a second plurality of electrodes disposed on the second surface, and a control circuit configured to apply an electrical potential between one or more of the first plurality of electrodes and one or more of the second plurality of electrodes to induce a physical deformation of the nanovoided polymer element.