公开(公告)号：US20180151817A1

公开(公告)日：2018-05-31

申请号：US15821007

申请日：2017-11-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Oul CHO ,  Jooyeon AHN ,  Eun Joo JANG ,  Dae Young CHUNG ,  Hyun A KANG ,  Tae Hyung KIM ,  Yun Sung WOO ,  Jeong Hee LEE ,  Shin Ae JUN

IPC: H01L51/00 ,  C09K11/06

CPC classification number: C09K11/025 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/06 ,  C09K11/703 ,  C09K11/883 ,  C09K2211/188 ,  G02B6/005 ,  H01L51/0035 ,  H01L51/0037 ,  H01L51/0039 ,  H01L51/0092 ,  H01L51/5012 ,  H01L51/502 ,  H01L51/5056 ,  H01L51/5088 ,  H05B33/14 ,  Y10S977/774 ,  Y10S977/783 ,  Y10S977/818 ,  Y10S977/824 ,  Y10S977/892 ,  Y10S977/896 ,  Y10S977/95 ,  Y10T428/1036 ,  Y10T428/1041

Abstract: A light emitting device including a semiconductor nanocrystal and a ligand bound to a surface of the semiconductor nanocrystal, wherein the ligand includes an organic thiol ligand or a salt thereof and a polyvalent metal compound including a metal including Zn, In, Ga, Mg, Ca, Sc, Sn, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Sr, Y, Zr, Nb, Mo, Cd, Ba, Au, Hg, Tl, or a combination thereof, and a display device including the light emitting device.

公开(公告)号：US20180062030A1

公开(公告)日：2018-03-01

申请号：US15483651

申请日：2017-04-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae Young CHUNG ,  Eun Joo JANG ,  Oul CHO ,  Hyun A KANG ,  Tae Hyung KIM ,  Yun Sung WOO ,  Jeong Hee LEE

IPC: H01L33/04 ,  H01L33/14 ,  H01L33/58

CPC classification number: H01L51/502 ,  H01L51/5215 ,  H01L51/5218 ,  H01L51/5231 ,  H01L51/5262 ,  H01L51/5265 ,  H01L51/5275 ,  H01L2251/5353

Abstract: An electronic device includes a first electrode and a second electrode facing each other, an emission layer comprising a plurality of quantum dots, wherein the emission layer is disposed between the first electrode and the second electrode; a first charge auxiliary layer disposed between the first electrode and the emission layer; and an optical functional layer disposed on the second electrode on a side opposite the emission layer, wherein the first electrode includes a reflecting electrode, wherein the second electrode is a light-transmitting electrode, wherein a region between the optical functional layer and the first electrode comprises a microcavity structure, and a refractive index of the optical functional layer is greater than or equal to a refractive index of the second electrode.

公开(公告)号：US20180039810A1

公开(公告)日：2018-02-08

申请号：US15648320

申请日：2017-07-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hee Chang HWANG ,  Jae Jin PARK ,  Min Chul LEE ,  Seung Hoon LEE ,  Dae Young CHUNG

IPC: G06K9/00 ,  H01L23/528

CPC classification number: G06K9/0002 ,  G06K9/00067 ,  H01L23/528

Abstract: A semiconductor device comprising a fingerprint sensor configured to generate first-direction sensing data and second-direction sensing data by sensing a fingerprint image in a first direction and a second direction, respectively, which is perpendicular to the first direction; a differential sensing circuit configured to generate first-direction first differential data and second-direction first differential data by performing a differential operation on the first-direction sensing data and the second-direction sensing data, respectively; and a fingerprint processing circuit configured to generate first-direction second differential data and second-direction second differential data by performing a differential operation on the first-direction first differential data and the second-direction first differential data, respectively, and generate fingerprint data by adding the first-direction second differential data and the second-direction second differential data.