公开(公告)号：US20190035979A1

公开(公告)日：2019-01-31

申请号：US16072793

申请日：2017-01-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoshihiro YOKOTE ,  Katsutoshi SASAKI ,  Dai AOKI ,  Tsubasa FUJIWARA ,  Atsushi SATO

IPC: H01L33/36 ,  H01L33/52 ,  H01L23/31 ,  H01L33/62 ,  H01L33/00

CPC classification number: H01L33/36 ,  G09G3/32 ,  H01L23/3114 ,  H01L33/005 ,  H01L33/52 ,  H01L33/54 ,  H01L33/56 ,  H01L33/62 ,  H01L2224/49113 ,  H01L2933/005 ,  H01L2933/0066

Abstract: Provided are a light emitting diode capable of improving contrast, a method for manufacturing a light emitting diode, a light emitting diode display device, and a method for manufacturing a light emitting diode display device. The light emitting diode according to an embodiment comprises a package substrate having an electrode provided therein; a light emitting diode chip provided on the package substrate; a power line electrically connecting the light emitting diode chip to the electrode; and a black layer covering the electrode including a part connected to the power line.

公开(公告)号：US20240369851A1

公开(公告)日：2024-11-07

申请号：US18776753

申请日：2024-07-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoshiharu MOMONOI ,  Atsushi SATO ,  Katsutoshi SASAKI

IPC: G02B30/29 ,  G02B3/00 ,  G02B3/08 ,  G09G3/00 ,  G09G3/34 ,  G09G3/36

Abstract: A three-dimensional (3D) display device including: a display unit configured to display an image; a display driver configured to display, on the display unit, a plurality of first images based on a depth component of the image and a second image based on a planar component of the image; a first lens array including a plurality of first lens elements provided at a first pitch on a rear side of the display unit; a second lens array including a plurality of second lens elements provided at a second pitch wider than the first pitch of the plurality of first lens elements on a rear side of the first lens array; a plurality of light source assemblies respectively located on rear sides of the plurality of second lens elements and including a plurality of light sources; and a light source driver.

公开(公告)号：US20170315406A1

公开(公告)日：2017-11-02

申请号：US15528849

申请日：2015-12-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Katsutoshi SASAKI

IPC: G02F1/1335

Abstract: Provide are a composite optical sheet used for a liquid crystal display (LCD) device and a method of manufacturing the composite optical sheet. The LCD device includes: a liquid crystal panel; a surface light-emitting module; a base layer disposed between the liquid crystal panel and the surface light-emitting module; a diffusion pattern layer disposed on a surface of the base layer facing the surface light-emitting module and configured to diffuse light incident from the surface light-emitting module; a prism pattern layer disposed on a surface of the base layer facing the liquid crystal panel and including a plurality of first unit prisms; and a prism film adhered to the prism pattern layer and including a plurality of second unit prisms.

公开(公告)号：US20190212556A1

公开(公告)日：2019-07-11

申请号：US16239119

申请日：2019-01-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Katsutoshi SASAKI

IPC: G02B27/01 ,  G02B26/08 ,  G02B26/10 ,  G02B27/09

CPC classification number: G02B27/0103 ,  B60K35/00 ,  B60K2370/334 ,  B60K2370/52 ,  G02B26/0833 ,  G02B26/10 ,  G02B27/0149 ,  G02B27/0179 ,  G02B27/0944 ,  G02B2027/0132 ,  G02B2027/014 ,  G02B2027/0159 ,  G02B2027/0187

Abstract: An image display apparatus includes a scanning optical unit configured to scan a laser light, a beam shaper configured to receive the laser light scanned by the scanning optical unit in a direction normal to a surface of the beam shaper, an illumination optical unit configured to transmit the laser light emitted from the beam shaper to a display panel, the illumination optical unit including an anamorphic lens and two reflective optical elements having free-form surfaces, the display panel configured to display an image based on the laser light transmitted by the illumination optical unit, and an eyepiece optical unit configured to concentrate an image light emitted from the display panel to an eye of an observer, the eyepiece optical unit including three reflective optical elements having free-form surfaces.

公开(公告)号：US20190101753A1

公开(公告)日：2019-04-04

申请号：US16148026

申请日：2018-10-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Katsutoshi SASAKI

IPC: G02B27/01 ,  G02B26/08 ,  G02B26/10 ,  G02B27/30

Abstract: Provided is an image display device including an optical scanner configured to scan light emitted from a light source, a parallel light generator configured to generate the scanned light as parallel light, a prism configured to refract the parallel light, and a light direction changer including a plurality of points whereon the parallel light refracted by the prism is incident and configured to reflect or diffract the parallel light and change a traveling direction of the parallel light, wherein the prism is provided on a path of each light traveling from the optical scanner to the light direction changer to adjust an optical path difference of parallel light incident on each of the plurality of points of the light direction changer.

公开(公告)号：US20210294098A1

公开(公告)日：2021-09-23

申请号：US17339498

申请日：2021-06-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Katsutoshi SASAKI

IPC: G02B27/01 ,  G02B26/08 ,  G02B27/30 ,  G02B26/10 ,  G02B5/02 ,  G02B27/00

Abstract: Provided is an image display device including an optical scanner configured to scan light emitted from a light source, a parallel light generator configured to generate the scanned light as parallel light, a prism configured to refract the parallel light, and a light direction changer including a plurality of points whereon the parallel light refracted by the prism is incident and configured to reflect or diffract the parallel light and change a traveling direction of the parallel light, wherein the prism is provided on a path of each light traveling from the optical scanner to the light direction changer to adjust an optical path difference of parallel light incident on each of the plurality of points of the light direction changer.

公开(公告)号：US20190049639A1

公开(公告)日：2019-02-14

申请号：US16058658

申请日：2018-08-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tomomichi KANDA ,  Yoshihiro YOKOTE ,  Osamu KONUMA ,  Katsutoshi SASAKI

IPC: G02B5/30 ,  G02F1/1335

Abstract: An optical member, a polarization member, and a display device are provided. The optical member includes a substrate, and a functional layer provided on the substrate, the functional layer including a high refractive layer and a low refractive layer, wherein the high refractive layer has a higher refractive index than that of the substrate and a diffraction grating structure, and the low refractive layer has a lower refractive index than that of the high refractive layer, wherein an interface between the substrate and the high refractive layer and an interface between the high refractive layer and the low refractive layer are in states in which components of the respective layers with the respective interfaces therebetween are compatible with each other.