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：US10712603B2

公开(公告)日：2020-07-14

申请号：US15404717

申请日：2017-01-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02F1/1335 ,  F21V8/00 ,  G02B30/26 ,  H04N13/305 ,  H04N13/356 ,  G02B27/42 ,  H04N13/324 ,  G02B5/20 ,  G02B5/18

Abstract: A three-dimensional (3D) image display apparatus includes a backlight unit configured to provide collimated white light, and a display panel configured to modulate the light provided from the backlight unit based on image information and to display the light in a plurality of viewing zones. The display panel includes a diffractive color filter in which a diffractive element for providing directivity is disposed on a color filter, thereby improving an optical efficiency in 3D image formation.

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：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.