公开(公告)号：US20210288230A1

公开(公告)日：2021-09-16

申请号：US16999718

申请日：2020-08-21

Applicant: Samsung Display Co., Ltd.

Inventor： Seulgee LEE ,  Ho LIM ,  Taemin KIM ,  Bongsung SEO

IPC: H01L33/56 ,  C09D183/04 ,  C09D5/00 ,  C09D7/63

Abstract: A light-emitting device is provided. The light-emitting device includes a first electrode; a second electrode; a subminiature light-emitting device disposed between the first electrode and the second electrode; and a planarization layer disposed between the first electrode and the second electrode. The planarization layer is prepared by curing a composition including an oligomeric compound that includes a group represented by Formula A, a group represented by Formula B, a group represented by Formula C, or any combination thereof: Substituents in Formula A, Formula B, and Formula C may be understood as described in connection with the detailed description.

公开(公告)号：US20200233144A1

公开(公告)日：2020-07-23

申请号：US16599398

申请日：2019-10-11

Applicant: Samsung Display Co., Ltd.

Inventor： HO LIM ,  Kaeun KIM ,  Taemin KIM ,  Duckjong SUH ,  Bongsung SEO ,  Seulgee LEE

IPC: F21V8/00 ,  B05D5/06 ,  B05D1/04

Abstract: A backlight unit includes: a light guiding member including an incident surface on which light is incident and an exit surface from which the light is emitted; a light source adjacent to the incident surface of the light guiding member and configured to generate the light; a low refraction layer disposed on the exit surface of the light guiding member; a color conversion layer disposed on the low refraction layer; and an optical layer disposed on the color conversion layer, wherein the optical layer has a pencil hardness of 4 H or greater.

公开(公告)号：US20170123254A1

公开(公告)日：2017-05-04

申请号：US15196596

申请日：2016-06-29

Applicant: Samsung Display Co., Ltd.

Inventor： Bongsung SEO ,  Min-sik JUNG ,  Baekkyun JEON

IPC: G02F1/1337 ,  C09K19/56 ,  G02F1/1335

CPC classification number: G02F1/13378 ,  C09K19/56 ,  G02F1/133514 ,  G02F1/133788

Abstract: Provided is a liquid crystal photo alignment agent including: a solid including at least one of a polyimide polymer, cyclobutane dianhydride (CBDA) or diamine; a first solvent including at least one of N-methyl-2-pyrrolidone, N-ethyl-2-pyrrolidone, dimethyl sulfoxide, dimethyl formamide, γ-butyrolacton or propylene carbonate; and a second solvent including at least one of propylene glycol monobutyl ether, dipropylene glycol monomethyl ether, propylene glycol n-propyl ether, diethylene glycol diethyl ether or diacetone alcohol, wherein the first solvent is included in an amount of about 50 wt % to about 80 wt % based on the total weight of the liquid crystal photo alignment agent; and the second solvent is included in an amount of about 15 wt % to about 40 wt % based on the total weight of the liquid crystal photo alignment agent. Also provided is a method of manufacturing a liquid crystal display including the liquid crystal photo alignment agent.

公开(公告)号：US20240114742A1

公开(公告)日：2024-04-04

申请号：US18522217

申请日：2023-11-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Younggu KIM ,  Jiyun PARK ,  Bongsung SEO ,  Jongho SON ,  Jaejin LYU ,  Yeonhee LEE ,  Baekkyun JEON ,  Kyungseon TAK

IPC: H10K59/38

CPC classification number: H10K59/38 ,  H10K59/12

Abstract: A display apparatus includes a first through a third light-emitting devices, each including a first-color emission layer and being over a substrate; a second-color quantum dot layer over the second light-emitting device; a third-color quantum dot layer over the third light-emitting device; and a low refractive index layer over the second-color quantum dot layer and the third-color quantum dot layer to correspond to the first through third light-emitting devices, and including a matrix part and a plurality of particles in the matrix part, wherein a first portion of the matrix part close to the first through third light-emitting devices includes fluorine.

公开(公告)号：US20200075682A1

公开(公告)日：2020-03-05

申请号：US16440768

申请日：2019-06-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seungyeon JEONG ,  Ohjeong KWON ,  Suk-kung CHEI ,  Minju HAN ,  Duckjong SUH ,  Bongsung SEO ,  Jaejin LYU

IPC: H01L27/32 ,  G02B5/20 ,  G02B5/02 ,  H01L51/52

Abstract: A display device includes: a display panel including an organic electroluminescent element; and a color filter on the display panel and including a plurality of color filter portions spaced from each other on a plane, wherein at least one color filter portion of the color filter portions comprises a scattering agent having an average diameter of 50 nanometers (nm) or more and 500 nm or less.

公开(公告)号：US20190219754A1

公开(公告)日：2019-07-18

申请号：US16162386

申请日：2018-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： Bongsung SEO ,  Ohjeong Kwon ,  Duckjong Suh ,  Ho Lim

IPC: G02B5/30 ,  B29D11/00 ,  G02F1/1335 ,  H01L51/52 ,  H01L27/32 ,  G02F1/1337 ,  C09K19/56 ,  C09K19/54 ,  H01L27/12

CPC classification number: G02B5/3091 ,  B29D11/00644 ,  C09K19/542 ,  C09K19/56 ,  G02F1/133528 ,  G02F1/133711 ,  G02F2202/043 ,  H01L27/124 ,  H01L27/323 ,  H01L51/5281

Abstract: A polarizing film, a method of preparing the polarizing film, and a display device including the polarizing film in which the polarizing film includes a self-aligned polymer matrix; liquid crystals aligned and cured in one direction in accordance with an alignment direction of the polymer matrix; and a dichroic dye aligned in the alignment direction of the liquid crystals.