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1
US2021005834A1
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: US2021005834A1 Publication Date: 2021-01-07 Application Number: 16/921,188 Filing Date: 2020-07-06 Inventor: Lee, Heejae   Kim, Sung Woo   Jang, Eun Joo   Chung, Dae Young   Han, Moon Gyu   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 Abstract: A light emitting device includes: a first electrode and a second electrode with a surface facing the first electrode; an emission layer disposed between the first electrode and the second electrode and including a quantum dot (e.g., a plurality of quantum dots); and an electron auxiliary layer disposed between the emission layer and the second electrode. The electron auxiliary layer includes a first layer including a first metal oxide, and a second layer disposed on the first layer and including a second metal oxide. A roughness of an interface between the second layer and the second electrode is less than about 10 nm as determined by an electron microscopy analysis. An absolute value of a difference between a conduction band edge energy level of the second layer and a work function of the second electrode may be less than or equal to about 0.5 eV, and a conduction band edge energy level of the first layer may be less than the conduction band edge energy level of the second layer.
2
US2020357990A1
RESISTIVE MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME AND ELECTRONIC DEVICE
Publication/Patent Number: US2020357990A1 Publication Date: 2020-11-12 Application Number: 16/701,293 Filing Date: 2019-12-03 Inventor: Kim, Kwanghee   Lee, Heejae   Cho, Oul   Kim, Tae Hyung   Jang, Eun Joo   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L45/00 Abstract: A resistive memory device including a first electrode and a second electrode facing each other and a variable resistance layer disposed between the first electrode and the second electrode, wherein the variable resistance layer includes Cd-free quantum dots (Cd-free quantum dots) and at least a portion of the Cd-free quantum dots include a Cd-free quantum dot including a halide anion on a surface of the Cd-free quantum dot, a method of manufacturing the same and an electronic device.
3
US2020343487A1
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: US2020343487A1 Publication Date: 2020-10-29 Application Number: 16/857,727 Filing Date: 2020-04-24 Inventor: Han, Moon Gyu   Kim, Kwanghee   Lee, Heejae   Jang, Eun Joo   Chung, Dae Young   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/52 Abstract: Provided are a light emitting device includes a first electrode and a second electrode facing each other; an emissive layer disposed between the first electrode and the second electrode and a display device including the same. The emissive layer comprises: a first emission layer disposed on the first electrode and having a hole transporting property; a second emission layer and a third emission layer disposed on the first emission layer; wherein the second emission layer comprises an organic compound having a bipolar transport property and the third emission layer has a composition different from the first emission layer and the second emission layer; wherein the first emission layer, the second emission layer, and the third emission layer comprises a plurality of quantum dots, and wherein the first emission layer, the second emission layer, and the third emission layer are configured to emit light of a same color.
4
EP3730589A2
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: EP3730589A2 Publication Date: 2020-10-28 Application Number: 20171401.1 Filing Date: 2020-04-24 Inventor: Han, Moon Gyu   Kim, Kwanghee   Lee, Heejae   Jang, Eun Joo   Chung, Dae Young   Assignee: Samsung Electronics Co., Ltd.   IPC: C09K11/06 Abstract: Provided are a light emitting device includes a first electrode and a second electrode facing each other; an emissive layer disposed between the first electrode and the second electrode and a display device including the same. The emissive layer comprises: a first emission layer disposed on the first electrode and having a hole transporting property; a second emission layer and a third emission layer disposed on the first emission layer; wherein the second emission layer comprises an organic compound having a bipolar transport property and the third emission layer has a composition different from the first emission layer and the second emission layer; wherein the first emission layer, the second emission layer, and the third emission layer comprises a plurality of quantum dots, and wherein the first emission layer, the second emission layer, and the third emission layer are configured to emit light of a same color.
5
EP3730589A3
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: EP3730589A3 Publication Date: 2020-12-02 Application Number: 20171401.1 Filing Date: 2020-04-24 Inventor: Han, Moon Gyu   Kim, Kwanghee   Lee, Heejae   Jang, Eun Joo   Chung, Dae Young   Assignee: Samsung Electronics Co., Ltd.   IPC: C09K11/06 Abstract: Provided are a light emitting device includes a first electrode and a second electrode facing each other; an emissive layer disposed between the first electrode and the second electrode and a display device including the same. The emissive layer comprises: a first emission layer disposed on the first electrode and having a hole transporting property; a second emission layer and a third emission layer disposed on the first emission layer; wherein the second emission layer comprises an organic compound having a bipolar transport property and the third emission layer has a composition different from the first emission layer and the second emission layer; wherein the first emission layer, the second emission layer, and the third emission layer comprises a plurality of quantum dots, and wherein the first emission layer, the second emission layer, and the third emission layer are configured to emit light of a same color.
6
EP3613826A1
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: EP3613826A1 Publication Date: 2020-02-26 Application Number: 19193423.1 Filing Date: 2019-08-23 Inventor: Chung, Dae Young   Kim, Kwanghee   Seo, Hongkyu   Jang, Eun Joo   Cho, Oul   Kim, Tae Hyung   Won, Yuho   Lee, Heejae   Assignee: Samsung Electronics Co., Ltd.   IPC: C09K11/02 Abstract: A light emitting device, a method of manufacturing the same, and a display device including the same are disclosed. The light emitting device including a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode, the emission layer including quantum dots, and a charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer includes a first surface facing the charge auxiliary layer and an opposite second surface, the quantum dots include a first organic ligand on a surface of the quantum dots, in the emission layer, an amount of the first organic ligand in a portion adjacent to the first surface is larger than an amount of the first organic ligand in a portion adjacent to the second surface.
7
US2020335715A1
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: US2020335715A1 Publication Date: 2020-10-22 Application Number: 16/851,276 Filing Date: 2020-04-17 Inventor: Chung, Dae Young   Kim, Kwanghee   Jang, Eun Joo   Kim, Tae Hyung   Seo, Hongkyu   Lee, Heejae   Chang, Jaejun   Assignee: SAMSUNG ELECTRONICS CO., LTD   IPC: H01L51/50 Abstract: A light emitting device including a first electrode and a second electrode, and an emission layer disposed between the first electrode and the second electrode and including quantum dots, a first charge auxiliary layer disposed between the emission layer and the first electrode, and a second charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer comprises a first emission layer contacting the first charge auxiliary layer, a second emission layer disposed on the first emission layer, and a third emission layer disposed on the second emission layer. The hole mobility of the first emission layer decreases sequentially from the first emission layer to the third emission layer.
8
KR20190135909A
Method and apparatus for detecting novelty of word sense with word embedding and medium
Publication/Patent Number: KR20190135909A Publication Date: 2019-12-09 Application Number: 20190025645 Filing Date: 2019-03-06 Inventor: Park, Hancheol   Yang, Wonsuk   Lee, Heejae   Park, Jongcheol   Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY   IPC: G06F17/27 Abstract: 본 발명의 실시예에 따른 단어의 비표준 의미 사용 탐지 장치는, 입력된 텍스트를 전처리하는 텍스트 전처리부, 상기 전처리된 텍스트 중 비표준 의미로 사용될 수 있는 대상 단어를 선정하는 대상 단어 선정부 및 상기 전처리된 텍스트의 전체 문맥이 나타내는 의미를 통합적으로 고려한 통합 벡터를 이용하여 상기 대상 단어가 상기 비표준 의미로 사용되었는지 여부를 판단하는 비표준 의미 사용 여부 판단부를 포함할 수 있다.
9
US9598475B2
Methods of preventing or treating brain diseases
Publication/Patent Number: US9598475B2 Publication Date: 2017-03-21 Application Number: 14/016,818 Filing Date: 2013-09-03 Inventor: Lee, Heejae   Byun, Jong-seon   Lee, Kyunyoung   Oh, Dahlkyun   Assignee: Regeron, Inc.   IPC: A01N37/18 Abstract: The present invention relates to methods for preventing or treating neurological diseases, particularly brain diseases, and improving cognitive functions using a composition comprising stanniocalcin 2 as an active ingredient.
10
US2014073576A1
METHODS OF PREVENTING OR TREATING BRAIN DISEASES
Publication/Patent Number: US2014073576A1 Publication Date: 2014-03-13 Application Number: 14/016,818 Filing Date: 2013-09-03 Inventor: Lee, Heejae   Byun, Jong-seon   Lee, Kyungyoung   Oh, Dahlkyun   Assignee: REGERON, INC.   IPC: C07K14/47 Abstract: The present invention relates to methods for preventing or treating neurological diseases, particularly brain diseases, and improving cognitive functions using a composition comprising stanniocalcin 2 as an active ingredient.
11
US8569240B2
Methods of preventing or treating brain diseases
Publication/Patent Number: US8569240B2 Publication Date: 2013-10-29 Application Number: 13/209,437 Filing Date: 2011-08-14 Inventor: Lee, Heejae   Byun, Jong-seon   Lee, Kyung Young   Oh, Dahlkyun   Assignee: Regeron, Inc.   IPC: A01N37/18 Abstract: The present invention relates to methods for preventing or treating neurological diseases, particularly brain diseases, and improving cognitive functions using a composition comprising stanniocalcin 2 as an active ingredient.
12
US2012040910A1
METHODS OF PREVENTING OR TREATING BRAIN DISEASES
Publication/Patent Number: US2012040910A1 Publication Date: 2012-02-16 Application Number: 13/209,437 Filing Date: 2011-08-14 Inventor: Lee, Heejae   Byun, Jong-seon   Lee, Kyunyoung   Oh, Dahlkyun   Assignee: Lee, Heejae   Byun, Jong-Seon   Lee, Kyunyoung   Oh, Dahlkyun   IPC: A61K38/17 Abstract: The present invention relates to methods for preventing or treating neurological diseases, particularly brain diseases, and improving cognitive functions using a composition comprising stanniocalcin 2 as an active ingredient.
13
EP2325021A1
BOOK PAGE HOLDER
Publication/Patent Number: EP2325021A1 Publication Date: 2011-05-25 Application Number: 09794612.3 Filing Date: 2009-07-03 Inventor: Lee, Heejae   Assignee: Lee, Heejae   IPC: B42D9/00 Abstract: Disclosed is a book page holder interposed between pages of a book to prevent the current page from turning. The book page holder includes a body having a rod shape, and a page turning stopper formed on a surface of the body and having a concave outline to closely make contact with a binding part of the book.
14
WO2011043585A2
BOOKMARK
Publication/Patent Number: WO2011043585A2 Publication Date: 2011-04-14 Application Number: 2010006824 Filing Date: 2010-10-06 Inventor: Lee, Heejae   Assignee: LEE, HEEJAE   IPC: B42D9/00 Abstract: The present invention relates to a bookmark. The bookmark comprises: a main body having a predetermined size and a predetermined shape; an adhesive portion formed at one surface of the main body and having an adhesive force of a predetermined size
15
WO2011043585A3
BOOKMARK
Publication/Patent Number: WO2011043585A3 Publication Date: 2011-11-03 Application Number: 2010006824 Filing Date: 2010-10-06 Inventor: Lee, Heejae   Assignee: LEE, HEEJAE   IPC: B42D9/00 Abstract: The present invention relates to a bookmark. The bookmark comprises: a main body having a predetermined size and a predetermined shape; an adhesive portion formed at one surface of the main body and having an adhesive force of a predetermined size
16
EP2255825A4
COMPOSITION FOR PREVENTING OR TREATING BRAIN DISEASES
Publication/Patent Number: EP2255825A4 Publication Date: 2011-09-14 Application Number: 09704175 Filing Date: 2009-01-23 Inventor: Lee, Heejae   Byun, Jong-seon   Lee, Kyunyoung   Baik, Sangjung   Oh, Dahlkyun   Assignee: Regeron, Inc.   IPC: A61K38/22 Abstract: The present invention relates to a composition for preventing or treating neurological diseases
17
US2011021435A1
COMPOSITION FOR PREVENTING OR TREATING BRAIN DISEASES
Publication/Patent Number: US2011021435A1 Publication Date: 2011-01-27 Application Number: 12/843,690 Filing Date: 2010-07-26 Inventor: Lee, Heejae   Byun, Jong-seon   Lee, Kyungyoung   Baik, Sangjung   Oh, Dahlkyun   Assignee: REGERON, INC.   IPC: A61K38/17 Abstract: The present invention relates to a composition for preventing or treating neurological diseases, particularly brain diseases and improving cognitive functions by inhibiting apoptosis of neuronal cells and/or promoting generation of neuronal cells. The present invention provide a composition for preventing or treating a neurological disease, particularly brain disease, and a composition for improving a cognitive function, which comprises stanniocalcin 2 as an active ingredient.
18
WO2010064808A3
TOOTHPICK WITH A TOOTH SCALING FUNCTION
Publication/Patent Number: WO2010064808A3 Publication Date: 2010-10-14 Application Number: 2009006983 Filing Date: 2009-11-25 Inventor: Lee, Heejae   Assignee: LEE, HEEJAE   IPC: A61C15/02 Abstract: The present invention provides a toothpick having a tooth scaling function
19
WO2010064809A2
BODY SUPPORT PILLOW
Publication/Patent Number: WO2010064809A2 Publication Date: 2010-06-10 Application Number: 2009006986 Filing Date: 2009-11-25 Inventor: Lee, Heejae   Assignee: LEE, HEEJAE   IPC: A47C27/00 Abstract: The present invention provides a body support pillow comprising: a plurality of cushions which can be elastically deformed by force applied by an external source
20
WO2010064810A3
TOOTHPICK
Publication/Patent Number: WO2010064810A3 Publication Date: 2010-10-14 Application Number: 2009006988 Filing Date: 2009-11-25 Inventor: Lee, Heejae   Assignee: LEE, HEEJAE   IPC: A61C15/02 Abstract: The present invention provides a toothpick
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