公开(公告)号：US11042063B2

公开(公告)日：2021-06-22

申请号：US16721223

申请日：2019-12-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sei Young Kang ,  Seung Jun Jeong ,  Min Woo Kang ,  Nam Seok Roh ,  Kwan Sik Min ,  Young Chol Lee ,  Jae Jeong Lee

IPC: G02F1/13357 ,  G02F1/1335 ,  F21V8/00

Abstract: A display device includes a backlight unit configured to emit light, a display panel disposed in front of the backlight unit, and an optical sheet disposed between the backlight unit and the display panel. The optical sheet may include a first prism sheet including a plurality of first prisms arranged in a first direction, a second prism sheet including a plurality of second prisms arranged in a second direction intersecting the first direction, and disposed in front of the first prism sheet; and a third prism sheet including a plurality of third prisms arranged in the first direction, and disposed in front of the second prism sheet.

公开(公告)号：US20200033665A1

公开(公告)日：2020-01-30

申请号：US16430595

申请日：2019-06-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung Jun Jeong ,  Sei Young Kang ,  Min Woo Kang ,  Dong Jun Lee ,  Jae Jeong Lee ,  Joo Won Lee

IPC: G02F1/1335 ,  G02B27/09

Abstract: Disclosed herein is a display apparatus. The display apparatus includes a backlight unit configured to emit light, a display panel positioned in front of the backlight unit, and an optical film positioned in front of the display panel. The optical film includes a base layer positioned adjacent to the display panel, a first refractive layer positioned in front of the base layer and having a pattern including a first inclined portion totally reflecting some of light waves emitted from the backlight unit, and a second refractive layer positioned in front of the first refractive layer and having a lower refractive index than the first refractive layer.

公开(公告)号：US11333918B2

公开(公告)日：2022-05-17

申请号：US16430595

申请日：2019-06-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung Jun Jeong ,  Sei Young Kang ,  Min Woo Kang ,  Dong Jun Lee ,  Jae Jeong Lee ,  Joo Won Lee

IPC: G02F1/1335 ,  G02B27/09

Abstract: Disclosed herein is a display apparatus. The display apparatus includes a backlight unit configured to emit light, a display panel positioned in front of the backlight unit, and an optical film positioned in front of the display panel. The optical film includes a base layer positioned adjacent to the display panel, a first refractive layer positioned in front of the base layer and having a pattern including a first inclined portion totally reflecting some of light waves emitted from the backlight unit, and a second refractive layer positioned in front of the first refractive layer and having a lower refractive index than the first refractive layer.

公开(公告)号：US11243342B2

公开(公告)日：2022-02-08

申请号：US16591196

申请日：2019-10-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung Jun Jeong ,  Sei Young Kang ,  Min Woo Kang ,  Nam Seok Roh ,  Kwan Sik Min ,  Jun Sung Choi

IPC: F21V8/00 ,  G02F1/1335 ,  G02B5/02

Abstract: Disclosed herein is a display apparatus. The display apparatus includes a backlight unit configured to emit light, a display panel positioned in front of the backlight unit; and an optical film positioned in front of the display panel, and the optical film includes a base layer, a first refractive layer positioned in front of the base layer, a second refractive layer positioned in front of the first refractive layer and having a lower refractive index than the first refractive layer, a third refractive layer positioned at the rear of the base layer, and a fourth refractive layer positioned at the rear of the third refractive layer and having a lower refractive index than the third refractive layer.

公开(公告)号：US10718973B2

公开(公告)日：2020-07-21

申请号：US16425220

申请日：2019-05-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung Jun Jeong ,  Joo Won Lee ,  Min Woo Kang ,  Sei Young Kang ,  Dong Jun Lee ,  Jae Jeong Lee

IPC: G02F1/13357

Abstract: A display device includes a display panel for displaying an image, a light source module including a plurality of light sources, and an optical sheet provided between the display panel and the light source module for guiding light radiated by the light source module to the display panel. The optical sheet includes a first transparent layer including a plurality of grooves provided on a first surface of the optical sheet that is opposite to the display panel, and having a first refraction index, a second transparent layer provided in each of the plurality of grooves and having a second refraction index that is different from the first refraction index, and a reflective layer including a light reflective material provided in each of the plurality of grooves and covering the second transparent layer, and including a light-reflective material.

公开(公告)号：US10459286B2

公开(公告)日：2019-10-29

申请号：US15963736

申请日：2018-04-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min Woo Kang ,  Ki Hyung Kang ,  Joo-won Lee

IPC: G02F1/1335 ,  G02F1/13363 ,  G02B6/00 ,  G02F1/137

Abstract: A display device including quantum rods is provided. The display device includes a light source generating light, a lightguide plate changing a path of the light generated from the light source and outputting the light to a front surface, a first polarizing plate arranged on top of the lightguide plate and generating first polarized light, a liquid crystal panel arranged on top of the first polarizing plate and displaying an image by using the first polarized light, a second polarizing plate arranged on top of the liquid crystal panel and generating second polarized light, and a quantum rod layer arranged on top of the second polarizing plate, divided into a plurality of pixels, and containing quantum rods in at least one of the pixels. A polarizing axis of the second polarized light is perpendicular to a polarizing axis of polarized light emitted by the quantum rod layer.

公开(公告)号：US10302997B2

公开(公告)日：2019-05-28

申请号：US15699118

申请日：2017-09-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min Woo Kang ,  Seung Jun Jeong ,  Ki Hyung Kang

IPC: G02F1/133 ,  G02F1/1335 ,  F21V8/00 ,  G02F1/1343

Abstract: A display device is provided. The display device includes: a backlight; and a display panel configured to create an image by selectively blocking light emitted from the backlight, the backlight including a light regulator configured to regulate emission of incident light; a light guide plate arranged behind the light regulator; and a plurality of adhesives arranged to bond the light regulator and the light guide plate, respective cross-section areas of the plurality of adhesives increasing as distance from a light source increases.