公开(公告)号：US11499097B2

公开(公告)日：2022-11-15

申请号：US16991096

申请日：2020-08-12

Applicant: NANOSYS, INC.

Inventor： Benjamin Newmeyer ,  Christian Ippen ,  Ruiqing Ma

IPC: C09K11/88 ,  H01L33/00 ,  H01L33/06 ,  H01L33/50 ,  B82Y20/00

Abstract: The invention pertains to the field of nanotechnology. The invention provides highly luminescent nanostructures, particularly highly luminescent nanostructures comprising a ZnSe1-xTex core and ZnS and/or ZnSe shell layers. The nanostructures comprising a ZnSe1-xTex core and ZnS and/or ZnSe shell layers display a low full width at half-maximum and a high quantum yield. The invention also provides methods of producing the nanostructures.

公开(公告)号：US20200067006A1

公开(公告)日：2020-02-27

申请号：US16546486

申请日：2019-08-21

Applicant: NANOSYS, Inc.

Inventor： Christian IPPEN ,  Daekyoung Kim ,  Emma Rose Dohner ,  Jesse Manders ,  David Olmeijer ,  Ruiqing Ma

IPC: H01L51/50 ,  C09K11/06 ,  B82Y40/00 ,  H01L51/00

Abstract: The present invention provides nanostructure compositions and methods of producing nanostructure compositions. The nanostructure compositions comprise a population of nanostructures comprising charge-transporting ligands. The present invention also provides nanostructure films comprising the nanostructure compositions and methods of making nanostructure films using the nanostructure compositions.

公开(公告)号：US11634629B2

公开(公告)日：2023-04-25

申请号：US16925786

申请日：2020-07-10

Applicant: Nanosys, Inc.

Inventor： Daekyoung Kim ,  Wenzhou Guo ,  Alexander Tu ,  Yeewah Annie Chow ,  Diego Barrera ,  Christian Ippen ,  Benjamin Newmeyer ,  Ruiqing Ma

IPC: H01L33/50 ,  C09K11/88 ,  H01L33/06 ,  H01L29/06 ,  C09K11/70

Abstract: The invention is in the field of nanostructure synthesis. Provided are highly luminescent core/shell nanostructures with zinc fluoride and zinc acetate bound to their surface. Also provided are methods of preparing the nanostructures, films comprising the nanostructures, and devices comprising the nanostructures.

公开(公告)号：US11380863B2

公开(公告)日：2022-07-05

申请号：US16822931

申请日：2020-03-18

Applicant: Nanosys, Inc.

Inventor： Donald A. Zehnder ,  Dylan C. Hamilton ,  Ruiqing Ma ,  Jesse R. Manders

IPC: H01L51/00 ,  H01L51/50 ,  H01L51/52 ,  H01L33/04 ,  H01L33/06 ,  H01L33/44 ,  H01L27/32 ,  H01L51/56

Abstract: Embodiments of a flexible electroluminescent (EL) device are described. An EL device includes a device stack and a flexible substrate configured to support the device stack. The device stack can include a anode and a cathode, a quantum dot (QD) film positioned between the anode and the cathode and configured to produce light having a first peak wavelength. The device stack further includes a patterned insulating layer disposed on the anode and configured to form electrically active regions in the device stack and to control emission of the light from the EL device through the electrically active regions. The EL device further includes an encapsulation layer disposed on the cathode.

公开(公告)号：US11312905B2

公开(公告)日：2022-04-26

申请号：US16925799

申请日：2020-07-10

Applicant: Nanosys, Inc.

Inventor： Benjamin Newmeyer ,  Christian Ippen ,  Ruiqing Ma ,  Diego Barrera ,  Jesse Robert Manders

IPC: C09K11/88 ,  C09K11/02 ,  C09K11/08 ,  C09K11/61

Abstract: This disclosure pertains to the field of nanotechnology. The disclosure provides methods of preparing nanostructures with fluoride passivation. The disclosure also provides methods of preparing nanostructures with fluoride and amine passivation. The nanostructures have high quantum yield, narrow emission peak width, tunable emission wavelength, and colloidal stability. Also provided are nanostructures prepared using the methods. And, nanostructure films and molded articles comprising the nanostructures are also provided.

公开(公告)号：US11639468B2

公开(公告)日：2023-05-02

申请号：US17712505

申请日：2022-04-04

Applicant: Nanosys, Inc.

Inventor： Benjamin Newmeyer ,  Christian Ippen ,  Ruiqing Ma ,  Diego Barrera ,  Jesse Robert Manders

IPC: C09K11/88 ,  C09K11/02 ,  C09K11/08 ,  C09K11/61 ,  B82Y40/00

Abstract: This disclosure pertains to the field of nanotechnology. The disclosure provides methods of preparing nanostructures with fluoride passivation. The disclosure also provides methods of preparing nanostructures with fluoride and amine passivation. The nanostructures have high quantum yield, narrow emission peak width, tunable emission wavelength, and colloidal stability. Also provided are nanostructures prepared using the methods. And, nanostructure films and molded articles comprising the nanostructures are also provided.

公开(公告)号：US11637256B2

公开(公告)日：2023-04-25

申请号：US16546486

申请日：2019-08-21

Applicant: NANOSYS, Inc.

Inventor： Christian Ippen ,  Daekyoung Kim ,  Emma Rose Dohner ,  Jesse Manders ,  David Olmeijer ,  Ruiqing Ma

IPC: H01L51/50 ,  B82Y40/00 ,  C09K11/06 ,  H01L51/00

Abstract: The present invention provides nanostructure compositions and methods of producing nanostructure compositions. The nanostructure compositions comprise a population of nanostructures comprising charge-transporting ligands. The present invention also provides nanostructure films comprising the nanostructure compositions and methods of making nanostructure films using the nanostructure compositions.

公开(公告)号：US11268022B2

公开(公告)日：2022-03-08

申请号：US16824824

申请日：2020-03-20

Applicant: Nanosys, Inc.

Inventor： Christian Ippen ,  John J. Curley ,  Donald Zehnder ,  Dylan Charles Hamilton ,  Benjamin Newmeyer ,  Ruiqing Ma

IPC: C09K11/70 ,  C09K11/88 ,  C09K11/56 ,  H01L51/50 ,  C09K11/02 ,  B82Y40/00 ,  B82Y30/00 ,  B82Y20/00

Abstract: The invention relates to highly stable nanostructures with inorganic ligands for electroluminescent devices, particularly nanostructure composition comprising at least one population of nanostructures; and at least one fluoride containing ligand bound to the surface of the nanostructure; wherein the fluoride containing ligand is selected from the group consisting of a fluorozincate, tetrafluoroborate, and hexafluorophosphate. The invention also relates to highly stable nanostructures comprising at least one population of nanostructures and fluoride anions bound to the surface of the nanostructure. The invention also relates to methods of producing such nanostructures.

公开(公告)号：US20200303668A1

公开(公告)日：2020-09-24

申请号：US16822931

申请日：2020-03-18

Applicant: Nanosys, Inc.

Inventor： Donald A. ZEHNDER ,  Dylan C. HAMILTON ,  Ruiqing Ma ,  Jesse R. MANDERS

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56

Abstract: Embodiments of a flexible electroluminescent (EL) device are described. An EL device includes a device stack and a flexible substrate configured to support the device stack. The device stack can include a anode and a cathode, a quantum dot (QD) film positioned between the anode and the cathode and configured to produce light having a first peak wavelength. The device stack further includes a patterned insulating layer disposed on the anode and configured to form electrically active regions in the device stack and to control emission of the light from the EL device through the electrically active regions. The EL device further includes an encapsulation layer disposed on the cathode.

公开(公告)号：US11555149B2

公开(公告)日：2023-01-17

申请号：US17016642

申请日：2020-09-10

Applicant: Nanosys, Inc.

Inventor： Christian Ippen ,  Donald Zehnder ,  Ruiqing Ma

IPC: C09K11/88 ,  C08G65/26 ,  C09D11/36 ,  C09D11/38 ,  C09K11/02 ,  C09K11/70 ,  H01L51/00 ,  H01L51/42 ,  C09D5/22 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  H01L51/50

Abstract: The invention pertains to the field of nanotechnology. The disclosure provides nanostructure compositions comprising (a) at least one organic solvent; (b) at least one population of nanostructures comprising a core and at least one shell, wherein the nanostructures comprise inorganic ligands bound to the surface of the nanostructures; and (c) at least one poly(alkylene oxide) additive. The nanostructure compositions comprising at least one poly(alkylene oxide) additive show improved solubility in organic solvents. And, the nanostructure compositions show increased suitability for use in inkjet printing. The disclosure also provides methods of producing emissive layers using the nanostructure compositions.