公开(公告)号：US10330861B2

公开(公告)日：2019-06-25

申请号：US15715341

申请日：2017-09-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Nae-Won Jang ,  Young Chol Lee ,  Byoung-Jin Cho ,  Seung Hun Chae

IPC: G02B6/02 ,  H01L33/50 ,  F21V8/00

Abstract: Disclosed herein are a quantum dot unit having an improved structure for improving color reproducibility, a quantum dot sheet having the same, and a display device having the quantum dot unit or the quantum dot sheet. The display device includes a display panel configured to display an image, a light source provided to emit light to the display panel, a light guide plate provided to guide the light emitted from the light source to the display panel, and a quantum dot unit disposed between the light source and the light guide plate to change a wavelength of the light emitted from the light source and having ductility, wherein the quantum dot unit includes a glass fiber having a hollow portion and a quantum dot accommodated in the hollow portion.

公开(公告)号：US09857631B2

公开(公告)日：2018-01-02

申请号：US14926150

申请日：2015-10-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chun Soon Park ,  Young Chol Lee ,  Seung Hun Chae ,  Sung Ho Choi ,  Hyung Jin Ha

IPC: G02F1/1335 ,  F21V7/05 ,  F21V9/08

CPC classification number: G02F1/133609 ,  F21V7/05 ,  F21V9/08 ,  G02F1/133603 ,  G02F1/133605 ,  G02F2001/133614 ,  G02F2202/36

Abstract: Disclosed herein are a reflecting plate, a backlight unit, and a display device using the backlight unit, and the display device includes one or more light sources; a reflecting plate to which light radiated from the one or more light sources is incident and having a reflecting surface reflecting the incident light; one or more selective light absorbing parts disposed on the reflecting surface and configured to selectively absorb a portion of the incident light; and a quantum dot sheet into which at least one of light emitted without being absorbed by the selective light absorbing part and light radiated from the light source is incident.