公开(公告)号：US10677974B2

公开(公告)日：2020-06-09

申请号：US15646836

申请日：2017-07-11

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：US10585231B2

公开(公告)日：2020-03-10

申请号：US15656349

申请日：2017-07-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: F21V8/00

Abstract: A directional backlight unit and an image display apparatus including the directional backlight unit are provided. The directional backlight unit includes at least one light source and a light guide plate that guides light emitted by the light source. An interval between grating patterns formed on the light guide plate satisfies at least one condition of a first range and a second range in order to minimize a spreading of light caused by the grating patterns.

公开(公告)号：US10473845B2

公开(公告)日：2019-11-12

申请号：US15687013

申请日：2017-08-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02B5/18 ,  F21V8/00 ,  G02B27/22

Abstract: There are provided a backlight unit, a 3D image display apparatus, and a method of manufacturing the same. The backlight unit may include a light source, a light guide plate that guides light irradiated from the light source, and including an exit surface through which the light exits, and a reflection plate provided on at least a part of the exit surface of the light guide plate.

公开(公告)号：US10429687B2

公开(公告)日：2019-10-01

申请号：US15440535

申请日：2017-02-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02F1/1335 ,  G02B5/30 ,  F21V8/00

Abstract: A three-dimensional (3D) image display apparatus includes a directional backlight unit and a display panel. The 3D image display apparatus may include an absorptive wire grid polarizer in the directional backlight unit or the display panel, for minimizing a distance between a diffraction device of the directional backlight unit and a pixel of the display panel.

公开(公告)号：US10429573B2

公开(公告)日：2019-10-01

申请号：US15404553

申请日：2017-01-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: F21V8/00

Abstract: A double-sided glassless three-dimensional (3D) display apparatus including a backlight unit may include an light source unit configured to emit light to the front and the rear thereof by diffracting incident light, and first and second display devices configured to use the light emitted by the light source unit as light for a 3D image formation and to form the 3D image on both sides of the light source unit. The light source unit may include a light source portion configured to emit three lights that have three different respective wavelengths and a light guide panel configured to transmit the lights emitted by the light source portion to the first and second display devices.

公开(公告)号：US10393945B2

公开(公告)日：2019-08-27

申请号：US15860202

申请日：2018-01-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongouk Kim ,  Joonyong Park ,  Jaeseung Chung ,  Alexander V. Morozov ,  Bongsu Shin ,  Jihyun Bae ,  Seokho Song ,  Dongsik Shim ,  Sunghoon Lee

IPC: F21V7/04 ,  F21V8/00

Abstract: Provided are a directional backlight unit and an image display apparatus including the same. The directional backlight unit includes at least one light source, a light guide plate arranged at a side of the at least one light source and configured to guide light emitted from the at least one light source by total reflection, a plurality of diffraction gratings arranged in a pattern at a surface of the light guide plate and configured to diffract the light and to emit the light diffracted by the plurality of diffraction gratings at a predetermined angle from a front surface; and a mirror arranged at a rear surface of the light guide plate and configured to reflect the light diffracted by the plurality of diffraction gratings toward the light guide plate, the rear surface of the light guide plate being opposite to the front surface of the light guide plate.

公开(公告)号：US10379280B2

公开(公告)日：2019-08-13

申请号：US15414015

申请日：2017-01-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: F21V8/00 ,  G02B5/18 ,  G02B5/20 ,  G02B27/10

Abstract: A directional backlight unit and a three-dimensional (3D) image display device including the directional backlight unit are provided. The directional backlight unit includes: a light guide plate, a light source configured to irradiate an incident surface of the light guide plate with a plurality of color lights, and a grating that includes a sub-grating configured to react to all of the plurality of color lights. The directional backlight unit may further include a color filter that corresponds to a plurality of color lights emitted from each sub-grating.

公开(公告)号：US09880343B2

公开(公告)日：2018-01-30

申请号：US15090959

申请日：2016-04-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongsik Shim ,  Hongseok Lee ,  Seogwoo Hong ,  Changsoo Lee ,  Hyunjoon Kim ,  Bongsu Shin

IPC: F21V7/04 ,  F21V8/00 ,  G02B27/22

CPC classification number: G02B6/005 ,  G02B6/0051 ,  G02B6/0053 ,  G02B6/0055 ,  G02B27/22

Abstract: A backlight unit using a micro optical switch and a three-dimensional (3D) image display device are provided. The backlight unit includes a light source configured to irradiate light, a light guide plate configured to guide the irradiated light, an optical switch array including micro optical switches disposed above the light guide plate for each of cells of the backlight unit, and a lens array disposed above and corresponding to the optical switch array. Each of the micro optical switches includes a substrate, a first electrode layer disposed on the substrate and including first holes, and a second electrode layer spaced apart from the first electrode layer and including second holes not facing the first holes.

公开(公告)号：US09696589B2

公开(公告)日：2017-07-04

申请号：US14522787

申请日：2014-10-24

Applicant: Samsung Electronics Co., Ltd. ,  Samsung Display Co., Ltd.

Inventor： Jaeseung Chung ,  Dongouk Kim ,  Joonyong Park ,  Bongsu Shin ,  Daeyoung Lee ,  Sunghoon Lee ,  Gugrae Jo ,  Sukgyu Hahm

IPC: G02F1/1335 ,  G02B5/30

CPC classification number: G02F1/13362 ,  G02B5/3058 ,  G02F1/133528 ,  G02F1/133536 ,  G02F1/133555 ,  G02F1/133605 ,  G02F2001/133548 ,  G02F2001/133565

Abstract: A liquid crystal display includes a light source unit, a first substrate provided on the light source unit, an electrode layer provided on the first substrate, a second substrate separate from the electrode layer, a polarizing plate provided on a surface of the second substrate, a liquid crystal layer disposed between the electrode layer and the second substrate, a reflecting unit provided on a surface of the first substrate; and a wire grid polarizer provided on an opposite surface of the first substrate.

公开(公告)号：US20160054498A1

公开(公告)日：2016-02-25

申请号：US14733234

申请日：2015-06-08

Applicant: Samsung Electronics Co., Ltd.

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

IPC: G02B5/30 ,  B29D11/00

CPC classification number: G02B5/3058 ,  B29D11/00644 ,  B29K2101/10 ,  G03F7/0002

Abstract: A pattern structure includes a plurality of pattern structure units arranged substantially on a same plane, where each of the pattern structure units has a first surface and a second surface, which are opposite to each other, and a microstructure is defined on the first surface of each of the pattern structure units, and a flattening layer disposed on the second surface of each of the plurality of pattern structure units, where the flattening layer connects the pattern structure units with each other, and a vertical step difference exists between second surfaces of the pattern structure units.

Abstract translation: 图案结构包括基本上在同一平面上布置的多个图案结构单元，其中每个图案结构单元具有彼此相对的第一表面和第二表面，并且在第一表面上限定微结构 每个图案结构单元和布置在多个图案结构单元的每个的第二表面上的平坦化层，其中平坦化层将图案结构单元彼此连接，并且在第二表面之间存在垂直的阶差 图案结构单位。