公开(公告)号：US10761481B2

公开(公告)日：2020-09-01

申请号：US15928891

申请日：2018-03-22

Applicant: SEEREAL TECHNOLOGIES S.A.

Inventor： Bo Kroll ,  Robert Missbach ,  Alexander Schwerdtner

IPC: G03H1/04 ,  G03H1/02 ,  G03H1/22 ,  G09G3/20 ,  G03H1/08 ,  G03H1/26 ,  G06F3/01 ,  G02B26/08 ,  G03H1/00 ,  G03H1/32

Abstract: Disclosed is a holographic display including a spatial light modulator (SLM) with pixels, the SLM pixels being on a substrate, the SLM including circuitry which is on the same substrate as the SLM pixels, the circuitry operable to perform calculations which provide an encoding of the SLM.

公开(公告)号：US11294246B2

公开(公告)日：2022-04-05

申请号：US17315949

申请日：2021-05-10

Applicant: SEEREAL TECHNOLOGIES S.A.

Inventor： Bo Kroll ,  Norbert Leister ,  Gerald Futterer ,  Robert Missbach ,  Stephan Reichelt

IPC: G02F1/1343 ,  G02F1/1347 ,  G02F1/29 ,  G03H1/02 ,  G03H1/22 ,  G02B30/20 ,  G02B30/00 ,  G02F1/1335 ,  G03H1/26

Abstract: The invention relates to a light modulation device for a display for representing two- and/or three-dimensional image content or image sequences. The light modulation device comprises a light modulator and a controller. The phase and/or the amplitude of a light wave field, which is substantially collimated, can be varied by means of the light modulator depending on the location of the light modulator. The light modulator can be actuated by means of the control device. According to the invention, in the direction of propagation of the light wave field, at least one diffracting unit is arranged downstream of the light modulator. The diffracting unit has a variable diffracting structure. By means of the diffracting structure, the light wave field varied by the light modulator can be diffracted in a variable and predeterminable manner. Further, the present invention relates to a display and a method for producing a light modulation device.

公开(公告)号：US11002982B2

公开(公告)日：2021-05-11

申请号：US16901432

申请日：2020-06-15

Applicant: SEEREAL TECHNOLOGIES S.A.

Inventor： Bo Kroll ,  Norbert Leister ,  Gerald Futterer ,  Robert Missbach ,  Stephan Reichelt

IPC: G02B27/22 ,  G02B30/00 ,  G02F1/1343 ,  G02F1/1347 ,  G02F1/29 ,  G03H1/02 ,  G03H1/22 ,  G02F1/1335 ,  G03H1/26

Abstract: The invention relates to a light modulation device for a display for representing two- and/or three-dimensional image content or image sequences. The light modulation device comprises a light modulator and a controller. The phase and/or the amplitude of a light wave field, which is substantially collimated, can be varied by means of the light modulator depending on the location of the light modulator. The light modulator can be actuated by means of the control device. According to the invention, in the direction of propagation of the light wave field, at least one diffracting unit is arranged downstream of the light modulator. The diffracting unit has a variable diffracting structure. By means of the diffracting structure, the light wave field varied by the light modulator can be diffracted in a variable and predeterminable manner. Further, the present invention relates to a display and a method for producing a light modulation device.

公开(公告)号：US20150279293A1

公开(公告)日：2015-10-01

申请号：US14430259

申请日：2012-10-01

Applicant: SEEREAL TECHNOLOGIES S.A. ,  SHARP CORPORATION

Inventor： Robert Missbach ,  Stephan Reichelt ,  Norbert Leister ,  Ralf Haussler ,  Naru Usukura ,  Hiromi Katoh ,  Yuichi Kanbayashi

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G03H1/2294 ,  G03H2225/32 ,  G09G3/006 ,  G09G2320/02 ,  G09G2320/0214

Abstract: A controllable device for phase modulation of coherent light comprises a modulator matrix having a plurality of liquid crystal modulator cells each being adapted to modulate a phase value of light passing through a liquid crystal modulator cell depending on a voltage, which is applied to the liquid crystal modulator cell; at least one polarity area of said modulator matrix including at least one liquid crystal modulator cell; at least one storage unit for storing at least one pair of voltage values of which one has a positive and the other has a negative polarity for the liquid crystal modulator cells, whereby the pair of voltage values corresponds to a predetermined phase value; and a control unit for selectively applying one pair of voltage values to one liquid crystal modulator cell.

Abstract translation: 用于相干光的相位调制的可控装置包括具有多个液晶调制器单元的调制器矩阵，每个液晶调制器单元适于根据施加到液晶的电压来调制通过液晶调制器单元的光的相位值 调节细胞; 所述调制器矩阵的至少一个极性区域包括至少一个液晶调制器单元; 至少一个存储单元，用于存储至少一对具有正的电压值，另一对具有用于液晶调制器单元的负极性，由此所述一对电压值对应于预定相位值; 以及用于选择性地将一对电压值施加到一个液晶调制器单元的控制单元。

公开(公告)号：US11914251B2

公开(公告)日：2024-02-27

申请号：US17711207

申请日：2022-04-01

Applicant: SEEREAL TECHNOLOGIES S.A.

Inventor： Bo Kroll ,  Norbert Leister ,  Gerald Futterer ,  Robert Missbach ,  Stephan Reichelt

IPC: G02F1/1343 ,  G02B30/00 ,  G02B30/20 ,  G02F1/1347 ,  G02F1/29 ,  G03H1/02 ,  G03H1/22 ,  G02F1/1335 ,  G03H1/26

CPC classification number: G02F1/134309 ,  G02B30/00 ,  G02B30/20 ,  G02F1/1347 ,  G02F1/292 ,  G03H1/02 ,  G03H1/2205 ,  G03H1/2294 ,  G02F1/133504 ,  G02F1/134318 ,  G02F2203/24 ,  G03H2001/0224 ,  G03H2001/2615 ,  G03H2001/264 ,  G03H2225/11 ,  G03H2225/23 ,  G03H2225/55 ,  G03H2225/60 ,  Y10T29/49155

Abstract: The invention relates to a light modulation device for a display for representing two- and/or three-dimensional image content or image sequences. The light modulation device comprises a light modulator and a controller. The phase and/or the amplitude of a light wave field, which is substantially collimated, can be varied by means of the light modulator depending on the location of the light modulator. The light modulator can be actuated by means of the control device. According to the invention, in the direction of propagation of the light wave field, at least one diffracting unit is arranged downstream of the light modulator. The diffracting unit has a variable diffracting structure. By means of the diffracting structure, the light wave field varied by the light modulator can be diffracted in a variable and predeterminable manner. Further, the present invention relates to a display and a method for producing a light modulation device.

公开(公告)号：US11269295B2

公开(公告)日：2022-03-08

申请号：US17007104

申请日：2020-08-31

Applicant: SEEREAL TECHNOLOGIES S.A.

Inventor： Bo Kroll ,  Robert Missbach ,  Alexander Schwerdtner

IPC: G03H1/04 ,  G02B26/08 ,  G03H1/02 ,  G03H1/22 ,  G03H1/00 ,  G03H1/08 ,  G03H1/26 ,  G09G3/20 ,  G03H1/32 ,  G06F3/01

Abstract: Disclosed is a holographic display including a spatial light modulator (SLM) with pixels, the SLM pixels being on a substrate, the SLM including circuitry which is on the same substrate as the SLM pixels, the circuitry operable to perform calculations which provide an encoding of the SLM.

公开(公告)号：US10102814B2

公开(公告)日：2018-10-16

申请号：US14430259

申请日：2012-10-01

Applicant: SEEREAL TECHNOLOGIES S.A. ,  SHARP CORPORATION

Inventor： Robert Missbach ,  Stephan Reichelt ,  Norbert Leister ,  Ralf Haussler ,  Naru Usukura ,  Hiromi Katoh ,  Yuichi Kanbayashi

IPC: G09G3/36 ,  G09G3/00 ,  G03H1/22

Abstract: A controllable device for phase modulation of coherent light comprises a modulator matrix having a plurality of liquid crystal modulator cells each being adapted to modulate a phase value of light passing through a liquid crystal modulator cell depending on a voltage, which is applied to the liquid crystal modulator cell; at least one polarity area of said modulator matrix including at least one liquid crystal modulator cell; at least one storage unit for storing at least one pair of voltage values of which one has a positive and the other has a negative polarity for the liquid crystal modulator cells, whereby the pair of voltage values corresponds to a predetermined phase value; and a control unit for selectively applying one pair of voltage values to one liquid crystal modulator cell.

公开(公告)号：US09946224B2

公开(公告)日：2018-04-17

申请号：US15148142

申请日：2016-05-06

Applicant: SEEREAL TECHNOLOGIES S.A.

Inventor： Bo Kroll ,  Robert Missbach ,  Alexander Schwerdtner

IPC: G03H1/00 ,  G03H1/02 ,  G03H1/08 ,  G03H1/26 ,  G03H1/22 ,  G02B26/08 ,  G06F3/01 ,  G03H1/04 ,  G09G3/20 ,  G03H1/32

CPC classification number: G03H1/0443 ,  G02B26/0875 ,  G03H1/0005 ,  G03H1/02 ,  G03H1/08 ,  G03H1/0808 ,  G03H1/2205 ,  G03H1/2294 ,  G03H1/268 ,  G03H1/32 ,  G03H2001/0088 ,  G03H2001/0216 ,  G03H2001/0224 ,  G03H2001/0833 ,  G03H2001/2242 ,  G03H2001/2271 ,  G03H2001/2625 ,  G03H2210/30 ,  G03H2210/36 ,  G03H2210/44 ,  G03H2222/20 ,  G03H2222/22 ,  G03H2222/24 ,  G03H2223/18 ,  G03H2223/19 ,  G03H2225/22 ,  G03H2225/55 ,  G03H2226/02 ,  G03H2226/04 ,  G03H2226/05 ,  G06F3/013 ,  G09G3/20 ,  G09G2300/026 ,  G09G2300/0408 ,  G09G2300/0809

Abstract: Disclosed is a holographic display including a spatial light modulator (SLM) with pixels, the SLM pixels being on a substrate, the SLM including circuitry which is on the same substrate as the SLM pixels, the circuitry operable to perform calculations which provide an encoding of the SLM.