公开(公告)号：US20210396914A1

公开(公告)日：2021-12-23

申请号：US17462899

申请日：2021-08-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo YOU ,  Byunghoon NA ,  Seunghoon HAN

IPC: G02B3/08 ,  G02B1/00 ,  G01S17/48 ,  G01S7/481 ,  G02B5/08 ,  G02B27/42 ,  G01B11/25 ,  G03B21/14 ,  G02B5/18 ,  G02B5/00 ,  G03B21/20

Abstract: Provided are projectors, each including a light source configured to emit laser light, a substrate spaced apart from the light source by a distance, a pattern mask including a pattern on a first surface of the substrate, the first surface facing the light source, and a meta-lens including a plurality of first nanostructures on a second surface of the substrate, the second surface facing the first surface, the nanostructures having a shape dimension of a sub-wavelength that is less than a wavelength of light emitted from the light source.

公开(公告)号：US20210382304A1

公开(公告)日：2021-12-09

申请号：US17095451

申请日：2020-11-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo YOU ,  Wontaek SEO ,  Daeho YANG ,  Changkun LEE ,  Hongseok LEE

IPC: G02B27/01 ,  G02B27/28 ,  G02B5/30 ,  G02B5/10 ,  G02B3/00 ,  G02B27/00 ,  B60K35/00

Abstract: A head-up display system includes an image generating apparatus configured to emit light having a first polarization and including image information; a polarization beam splitter provided on an optical path of the light having the first polarization and configured to transmit the light having the first polarization; a wave plate configured to transmit the light transmitted through the polarization beam splitter while changing a phase of the light; and a mirror configured to reflect the light sequentially transmitted through the polarization beam splitter and the wave plate back to the polarization beam splitter through the wave plate. The polarization beam splitter may reflect light having a second polarization that is different from the first polarization and obtained by transmitting the light reflected by the mirror back through the wave plate.

公开(公告)号：US20200081100A1

公开(公告)日：2020-03-12

申请号：US16557393

申请日：2019-08-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo YOU ,  Namseop KWON ,  Byunghoon NA ,  Minkyung LEE ,  Suyeon LEE ,  Seunghoon HAN

IPC: G01S7/481 ,  G01S17/08

Abstract: Provided is an illumination device including a display panel including a first surface and a second surface that is opposite to the first surface, the display panel being configured to output light including image information through the first surface, a light source configured to emit light, the light source being spaced apart from the display panel in a direction away from and normal to the second surface of the display panel, a window panel including a first area configured to transmit the light output from the display panel and a second area configured to transmit the light emitted from the light source, and a light transmitting unit provided between the window panel and the light source, the light transmitting unit configured to transmit the light emitted from the light source to an object through the second area, the light transmitting unit including at least one meta-surface.

公开(公告)号：US20200041886A1

公开(公告)日：2020-02-06

申请号：US16248917

申请日：2019-01-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo YOU ,  Seunghoon HAN ,  Namseop KWON ,  Byunghoon NA ,  Minkyung LEE

IPC: G03B21/20 ,  G03B21/14

Abstract: A structured-light projector includes an illuminating device configured to emit illumination light, a pattern mask configured to partially transmit the illumination light to generate structured light, and a lens configured to transmit the structured light, wherein the pattern mask includes a light-transmitting slit configured to transmit the illumination light, and a plurality of reflection patterns configured to obliquely reflect the illumination light toward the light-transmitting slit.

公开(公告)号：US20190243155A1

公开(公告)日：2019-08-08

申请号：US16199759

申请日：2018-11-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo YOU ,  Namseop KWON ,  Byunghoon NA ,  Minkyung LEE ,  Seunghoon HAN

IPC: G02B27/42

CPC classification number: G02B27/4272 ,  G02B27/4233 ,  G02B2207/101

Abstract: Provided are meta illuminators. The meta illuminators according to embodiments include a first light emitter configured to emit pattern light, and a second light emitter configured to emit non-patterned light, wherein the first and second light emitters forms a single body. The first and second light emitters respectively include meta-surfaces that are different from each other, and the different meta-surfaces may be formed on a single material layer. The first light emitter includes a pattern region that transmits a portion of incident light, and the second light emitter does not include the pattern region. A mask may be arranged between the light source and the transparent substrate.

公开(公告)号：US20180176540A1

公开(公告)日：2018-06-21

申请号：US15883437

申请日：2018-01-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myungjae JEON ,  Yonghwa PARK ,  Jangwoo YOU ,  Heesun YOON

IPC: H04N5/232

CPC classification number: H04N13/207 ,  H04N5/23241 ,  H04N13/254 ,  H04N13/271 ,  H04N13/296

Abstract: A three-dimensional (3D) image sensor device and an electronic apparatus including the 3D image sensor device are provided. The 3D image sensor device includes: a shutter driver that generates a driving voltage of a sine wave biased with a first bias voltage, from a loss-compensated recycling energy; an optical shutter that varies transmittance of reflective light reflected from a subject, according to the driving voltage, and modulates the reflective light to generate at least two optical modulation signals having different phases; and an image generator that generates 3D image data for the subject which includes depth information calculated based on a phase difference between the at least two optical modulation signals.

公开(公告)号：US20170127047A1

公开(公告)日：2017-05-04

申请号：US15196710

申请日：2016-06-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myungjae JEON ,  Yonghwa PARK ,  Jangwoo YOU ,  Yongchul CHO

IPC: H04N13/02 ,  G01S17/08 ,  G01S17/89

CPC classification number: H04N13/271 ,  G01S7/4816 ,  G01S7/497 ,  G01S17/08 ,  G01S17/36 ,  G01S17/89 ,  H04N13/207 ,  H04N13/254 ,  H04N13/296

Abstract: A depth image generating apparatus includes a light source configured to emit light; an optical shutter provided on a path of the light reflected by an object and configured to modulate a waveform of the reflected light by changing a transmissivity of the optical shutter with respect to the reflected light; a driver configured to apply a driving voltage to the light source and a driving voltage to the optical shutter; a temperature measurer configured to measure a temperature of the optical shutter; a controller configured to control driving voltages; and a depth information obtainer configured to generate an image corresponding to the reflected light that passes through the optical shutter, extract a phase difference between a phase of the light emitted by the light source to the object and a phase of the reflected light, and obtain depth information regarding the object based on the phase difference.