公开(公告)号：US10317740B2

公开(公告)日：2019-06-11

申请号：US15712963

申请日：2017-09-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kye Hoon Lee ,  Sang Hyun Sohn

IPC: G02F1/1362 ,  G02F1/1343 ,  G02B5/02 ,  F21V8/00 ,  G02F1/1335

Abstract: A display panel and a display apparatus including the display panel are provided. The display panel includes: a light transmitter disposed on a first pixel electrode and a light converting unit disposed on a second pixel electrode. A portion of the light converting unit extends toward the light transmitter and covers a part of the first pixel electrode.

公开(公告)号：US10687049B2

公开(公告)日：2020-06-16

申请号：US15702022

申请日：2017-09-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang Hyun Sohn ,  Dae-Hee Lee

IPC: H04N13/117 ,  H04N13/32 ,  G02F1/29 ,  F21V8/00 ,  H04N13/139 ,  H04N13/359 ,  H04N13/398

Abstract: A back light apparatus includes a plurality of light sources configured to generate light; and a light guide part, wherein the light guide part includes a light guide plate configured to change a path of the light; a first pattern part disposed on a first surface of the light guide plate and configured to emit the light in a first direction; and a second pattern part disposed on a second surface of the light guide plate and configured to emit the light in a second direction.

公开(公告)号：US11099428B2

公开(公告)日：2021-08-24

申请号：US16756715

申请日：2018-08-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin Hyun Cho ,  Go Hyun Kim ,  Sang Hyun Sohn ,  Jong Hee Han

IPC: G02F1/13357 ,  G02F1/1335

Abstract: Disclosed herein is a display apparatus. The display apparatus includes a backlight unit emitting light forward, a liquid crystal panel disposed in front of the backlight unit and having a front polarizing film, and a diffusion film disposed in front of the liquid crystal panel, wherein the diffusion film includes a first refraction layer having a lens portion projecting forward, a second refraction layer disposed in front of the first refraction layer, a retardation member disposed at a front end of the lens portion, and a film polarizing layer disposed in front of the retardation member.

公开(公告)号：US11630343B2

公开(公告)日：2023-04-18

申请号：US16956883

申请日：2018-11-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin Hyun Cho ,  Nam Seok Roh ,  Sang Hyun Sohn ,  Jong Hee Han

IPC: G02F1/1335 ,  G02F1/1334 ,  G02F1/1343 ,  G02F1/13357

Abstract: A display apparatus includes a light source emitting light; a light guide plate having a first surface and a second surface, and spreading light emitted from the light source therein to emit light through the first surface; and a local dimming unit configured to pass or scatter light emitted through the second surface of the light guide plate according to a position. The local dimming unit may include: an electro-optical layer configured to which optical properties change according to an electric field; and a plurality of electrodes positioned on the same plane to generate the electric field.

公开(公告)号：US11367403B2

公开(公告)日：2022-06-21

申请号：US16956937

申请日：2018-11-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin Hyun Cho ,  Nam Seok Roh ,  Sang Hyun Sohn ,  Jong Hee Han

IPC: G09G3/34 ,  F21V8/00 ,  G02F1/1343

Abstract: A display apparatus includes a plurality of light sources configured to emit light; a light guide plate having a first surface and a second surface, configured to spread light emitted from the plurality of light sources therein to emit light through the first surface; and a local dimming unit configured to reflect or scatter light emitted through the second surface of the light guide plate according to a location. The local dimming unit may include an electro-optical layer configured to change optical properties according to an electric field; a plurality of electrodes located on the same plane, configured to generate the electric field; and a controller configured to change a voltage applied to the plurality of electrodes according to an image.

公开(公告)号：US10606118B2

公开(公告)日：2020-03-31

申请号：US15710944

申请日：2017-09-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang Hyun Sohn ,  Sang Yeon Shin

IPC: G02F1/1335 ,  F21V8/00 ,  G02B6/00 ,  G02F1/1333

Abstract: A display apparatus and a method of controlling the same are disclosed. The display apparatus includes: a light source configured to emit light having a wavelength less than or equal to a predetermined level; a waveguide plate having a slope pattern that allows the light emitted from the light source to be output to a left side or a right side about a vertical direction of an optical axis of the light source; and a display panel comprising a plurality of pixels, each of the plurality of pixels comprising a white sub pixel configured to transmit the light output from the waveguide plate.

公开(公告)号：US10527772B2

公开(公告)日：2020-01-07

申请号：US15797332

申请日：2017-10-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang Hyun Sohn ,  Joon Seok Ahn ,  Dae Hee Lee

IPC: F21V8/00

Abstract: A display device includes a display panel; at least one light source package configured to emit light; and a light guide plate configured to receive the light emitted by the light source package and guide the light toward the display panel, wherein the at least one light source package includes: a light source configured to emit the light; a light converter disposed between the light source and the light guide plate, and configured to convert one or more properties of the light emitted by the light source; and a package housing in which the light source is disposed and including one side with an opening in which the light converter is disposed, the package housing including a unit support surface configured to support a side surface of the light converter.

公开(公告)号：US10120200B2

公开(公告)日：2018-11-06

申请号：US15172749

申请日：2016-06-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae Kuen Yang ,  Keun-Bae Jeon ,  Sang Hyun Sohn

IPC: G02B27/26 ,  G02F1/13357 ,  G02F1/1335 ,  G02B27/22 ,  F21V8/00 ,  H04N13/312 ,  H04N13/356

Abstract: A display apparatus includes: a backlight assembly configured to emit light; and a display panel configured to display a two-dimensional (2D) image or a three-dimensional (3D) image using the light, wherein the backlight assembly includes: a first backlight unit configured to emit light for creating the 2D image; a second backlight unit configured to emit light for creating the 3D image; and a first polarizing panel disposed between the first backlight unit and the second backlight unit, and configured to prevent at least a portion of leakage light leaking from the second backlight unit from being incident to the second backlight unit.

公开(公告)号：US10012782B2

公开(公告)日：2018-07-03

申请号：US14820753

申请日：2015-08-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Won Yong Lee ,  Sang Hyun Sohn

IPC: F21V8/00

CPC classification number: G02B6/0016 ,  G02B6/0025 ,  G02B6/0031 ,  G02B6/0036 ,  G02B6/0038 ,  G02B6/0061 ,  G02B6/0068 ,  G02B6/0073

Abstract: Disclosed herein are a backlight apparatus and a display apparatus having a light guide plate that includes light guide patterns in a waveform shape.