公开(公告)号：US10928573B2

公开(公告)日：2021-02-23

申请号：US16858129

申请日：2020-04-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunghoon Lee ,  Joonyong Park ,  Dongouk Kim ,  Jihyun Bae ,  Bongsu Shin ,  Dongsik Shim ,  Jaeseung Chung

IPC: G02B5/30 ,  G03F7/00 ,  B28D5/02 ,  G02F1/1335

Abstract: A method for manufacturing a pattern structure includes preparing a wafer that has a plurality of fine patterns, generating a first trench by processing the wafer from a first surface to a first depth, and generating a second trench connected to the first trench by processing the wafer from a second surface which is opposite to the first surface to a second depth, thereby cutting the wafer.

公开(公告)号：US10754171B2

公开(公告)日：2020-08-25

申请号：US15655327

申请日：2017-07-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jihyun Bae ,  Joonyong Park ,  Youngju Jeong ,  Bongsu Shin ,  Dongouk Kim ,  Dongsik Shim ,  Sunghoon Lee ,  Jaeseung Chung

IPC: H04N13/04 ,  G02B30/00 ,  G09G3/00 ,  G02F1/13357 ,  G06T7/00 ,  G09G3/34

Abstract: A method of correcting optical characteristics of a back light unit (BLU) for a three-dimensional (3D) display apparatus includes: obtaining first optical characteristics of a reference image; obtaining a corrected image by applying an initial correction value, which is determined based on the first optical characteristics, to the reference image; obtaining second optical characteristics of the corrected image; determining whether the second optical characteristics match reference optical characteristics; outputting the corrected image based on determining that the second optical characteristics match the reference optical characteristics, and obtaining a new corrected image and repeating, for the new corrected image, the obtaining the second optical characteristics and the determining whether the second optical characteristics match the reference optical characteristics, based on determining that the second optical characteristics of the corrected image do not match the reference optical characteristics.

公开(公告)号：US10191198B2

公开(公告)日：2019-01-29

申请号：US15351950

申请日：2016-11-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seogwoo Hong ,  Dongsik Shim ,  Dongouk Kim ,  Hyunjoon Kim ,  Joonyong Park ,  Jihyun Bae ,  Bongsu Shin ,  Sunghoon Lee ,  Jaeseung Chung

IPC: G02B26/08 ,  F21V8/00 ,  H04N13/39 ,  B29C65/48 ,  G02B27/22 ,  H04N13/32 ,  B29L31/34

Abstract: A display apparatus including a directional backlight unit and a method of assembling the display apparatus are disclosed. The display apparatus includes an auxiliary structure coupled to an input coupler and a switch panel module.

公开(公告)号：US10185218B2

公开(公告)日：2019-01-22

申请号：US14733172

申请日：2015-06-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaeseung Chung ,  Dongouk Kim ,  Joonyong Park ,  Jihyun Bae ,  Bongsu Shin ,  Jong G. Ok ,  Ilsun Yoon ,  Sunghoon Lee ,  Sukgyu Hahm

IPC: G03F7/00

Abstract: A method of transferring a reverse pattern using an imprint process includes: preparing a master mold, where a first pattern is defined on a surface of the master mold; coating an imprint resin on the master mold to cover the first pattern; pressing the imprint resin toward the master mold using a stamp member; curing the imprint resin to form a second pattern between the master mold and the stamp member, where the second pattern has a reverse shape to a shape of the first pattern; detaching the stamp member from the master mold to separate the second pattern from the master mold; and transferring the second pattern onto a transfer substrate.

公开(公告)号：US09759856B2

公开(公告)日：2017-09-12

申请号：US15154343

申请日：2016-05-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Taesung Jung ,  Dongouk Kim ,  Joonyong Park ,  Jihyun Bae ,  Bongsu Shin ,  Sunghoon Lee ,  Jaeseung Chung ,  Alexander V. Morozov

IPC: F21V7/04 ,  F21V7/10 ,  F21V1/00 ,  F21V5/00 ,  F21V7/00 ,  F21V8/00 ,  G02B27/22

CPC classification number: G02B6/0068 ,  G02B6/0036 ,  G02B6/0058 ,  G02B6/0065 ,  G02B27/2214

Abstract: A curved backlight unit is provided. The backlight unit includes a curved light guide plate having a curvature, a first light source configured to provide a first illumination light to a first surface of the curved light guide plate, an array of a plurality of different grating elements disposed on a second surface of the curved light guide plate and configured to allow the first illumination light to exit the curved light guide plate from the second surface, and a second light source configured to provide a second illumination light to a third surface facing the second surface of the curved light guide plate. The curved light guide plate includes a first area configured to allow the second illumination light to exist at a first intensity and a second area configured to allow the second illumination light to exist at a second intensity that is less than the first intensity.

公开(公告)号：US09703027B2

公开(公告)日：2017-07-11

申请号：US14541652

申请日：2014-11-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaeseung Chung ,  Dongouk Kim ,  Joonyong Park ,  Jihyun Bae ,  Bongsu Shin ,  Sunghoon Lee ,  Sukgyu Hahm

IPC: G02F1/1335 ,  G02B5/30

CPC classification number: G02B5/3058 ,  G02F1/133528 ,  G02F2001/133548

Abstract: A wire grid polarizer includes a substrate, a first layer and a second layer disposed on the first layer, in which a first region and a second region are defined in the first layer, the first layer includes: a first wire grid including a plurality of first wires and disposed in the first region, where the first wires are spaced apart from each other, and no wire grid is disposed in the second region; and a first protection layer which covers the first wire grid, a third region and a fourth region are defined in the second layer, and the second layer includes a second wire grid including a plurality of second wires and disposed in the third region, where the second wires are spaced apart from each other, and no wire grid is disposed in the fourth region.

公开(公告)号：US10754074B2

公开(公告)日：2020-08-25

申请号：US16034931

申请日：2018-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Juwon Seo ,  Wontaek Seo ,  Geeyoung Sung ,  Changkun Lee ,  Hongseok Lee ,  Jaeseung Chung

IPC: G03H1/12 ,  G02B5/32 ,  G02B27/01 ,  G03H1/22 ,  G03H1/02

Abstract: A holographic display apparatus for providing an expanded viewing window includes a spatial filter configured to separate a plurality of holographic images generated by the hologram pattern displayed on the spatial light modulator from a plurality of lattice spots generated by a physical structure of the spatial light modulator. The spatial filter includes a plurality of color filters or a plurality of dichroic mirrors separating a first color image, a second color image, and a third color image from a first color lattice spot, a second color lattice spot, and a third color lattice spot.

公开(公告)号：US10718891B2

公开(公告)日：2020-07-21

申请号：US15870291

申请日：2018-01-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunghoon Lee ,  Joonyong Park ,  Dongouk Kim ,  Jihyun Bae ,  Bongsu Shin ,  Dongsik Shim ,  Jaeseung Chung

IPC: G03H1/26 ,  F21V8/00 ,  G03H1/22 ,  G02B27/14 ,  G02B30/26

Abstract: An input coupler includes: a plurality of semi-reflectors located along an optical path along which a light incident from a light source travels, each of the plurality of semi-reflectors comprising a reflective surface that is inclined with respect to the optical path and configured to reflect a first portion of the light and transmit a second portion of the light; and a plurality of optical path changing members configured to change an optical path of the light transmitted through the plurality of semi-reflectors, wherein the plurality of semi-reflectors and the plurality of optical path changing members are arranged such that the light passing through at least one of the plurality of semi-reflectors and emitted in one direction has a linear beam distribution.

公开(公告)号：US10133162B1

公开(公告)日：2018-11-20

申请号：US15883570

申请日：2018-01-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaeseung Chung ,  Geeyoung Sung ,  Hongseok Lee

IPC: G03B21/20 ,  G06F3/01 ,  G06K9/00 ,  G02B27/01

Abstract: A projection display apparatus that tracks a user's eye with an eye tracker and displays a high-resolution image at a position of the user's eye. The projection display apparatus includes an eye tracker configured to track an eye of a user; a projector configured to project an image; and a controller configured to control the projector, based on a position of the eye of the user obtained from the eye tracker, to perform a first operation to project a first portion of the image at a first resolution onto a first region with respect to the position of the eye of the user, and to perform one of a second operation to project a second portion of the image at a second resolution lower than the first resolution onto a second region excluding the first region, and a third operation to refrain from projecting the image in the second region.

公开(公告)号：US10007124B2

公开(公告)日：2018-06-26

申请号：US14838507

申请日：2015-08-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joonyong Park ,  Dongouk Kim ,  Jihyun Bae ,  Bongsu Shin ,  Jong G. Ok ,  Ilsun Yoon ,  Sunghoon Lee ,  Jaeseung Chung ,  Sukgyu Hahm

IPC: H01L21/311 ,  H01L21/3065 ,  G02B27/62 ,  G02B5/30 ,  G02F1/1333

CPC classification number: G02B27/62 ,  G02B5/3058 ,  G02F1/13336 ,  G02F2001/133548 ,  H01L23/544 ,  H01L2223/54426

Abstract: A master wafer includes: a plurality of unit wafers each including a pattern disposed thereon; a coupling surface defined on each of the unit wafers; and a coupling part which couples adjacent unit wafers among the plurality of unit wafers on which the coupling surface is defined, to each other.