公开(公告)号：US10301541B2

公开(公告)日：2019-05-28

申请号：US15075311

申请日：2016-03-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong Won Park ,  Woon Seok Kim ,  Tae Hoon Kim ,  Ji Ho You ,  Chul Soo Yoon

IPC: C09K11/61 ,  C09K11/02

Abstract: A fluoride phosphor includes fluoride particles represented by AxMFy:Mnz4+ where A is at least one selected from lithium (Li), sodium (Na), potassium (K), rubidium (Rb), and cesium (Cs), M is at least one selected from silicon (Si), titanium (Ti), zirconium (Zr), hafnium (Hf), germanium (Ge) and tin (Sn), a compositional ratio x of A satisfies 2≤x≤3, and a compositional ratio y of F satisfies 4≤y≤7; and an organic material physically adsorbed onto surfaces of the fluoride particles to allow the fluoride particles to have hydrophobicity. The fluoride particles have a concentration of Mn4+ gradually reduced from respective centers to respective surfaces of the fluoride particles.

公开(公告)号：US20180323350A1

公开(公告)日：2018-11-08

申请号：US15838594

申请日：2017-12-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jeong Rok Oh ,  Jeong Eun Yun ,  Sung Woo Choi ,  Cho Hui Kim ,  Chul Soo Yoon

IPC: H01L33/50

CPC classification number: H01L33/504 ,  C09K11/7734 ,  H01L25/0753 ,  H01L33/486 ,  H01L33/60 ,  H01L33/62

Abstract: A white light emitting device may include a blue light emitting diode configured to emit blue light and a plurality of wavelength conversion materials configured to convert the blue light into light having different wavelengths based on being excited by the blue light, and emit white light based on the converting, wherein the emitted white light is associated with an Illuminating Engineering Society (IES) TM-30-15 Fidelity Index (Rf) in a range of 78 to 89, an IES TM-30-15 Chroma Change by Hue Index Rcs15 in a range of 7% to 16%, and an IES TM-30-15 Chroma Change by Hue Index Rcs16 in a range of 7% to 16%, and a color difference between a reflection spectrum of a white specimen of the emitted white light, and International Commission on Illumination (CIE) Standard illuminant D65, that is equal to or less than 106.

公开(公告)号：US09897789B2

公开(公告)日：2018-02-20

申请号：US14805444

申请日：2015-07-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Sam Park ,  Hyun Bae Park ,  Subedi Rabindra ,  Chul Soo Yoon ,  Giun Lim ,  Ji Hyun Lim ,  Young Sik Jeong ,  Hun Joo Hahm

IPC: F21V7/04 ,  G02B19/00 ,  G02B5/00 ,  H01L33/58 ,  H01L33/60 ,  F21V29/76 ,  F21V29/77 ,  F21Y105/10 ,  F21K9/23 ,  F21Y103/10 ,  F21Y115/10

CPC classification number: G02B19/0047 ,  F21K9/23 ,  F21V29/763 ,  F21V29/77 ,  F21Y2103/10 ,  F21Y2105/10 ,  F21Y2115/10 ,  G02B5/001 ,  H01L33/58 ,  H01L33/60

Abstract: A light emitting device package includes a reflective unit having a first surface and a second surface opposing the first surface and having a through hole formed in a central portion of the reflective unit to penetrate through the first and second surfaces, a light emitting device disposed in the through hole and externally exposed to one of the first and second surfaces, and an optical device disposed on the first surface of the reflective unit to cover the light emitting device. The optical device allows light generated by the light emitting device to be partially transmitted and partially reflected to be emitted externally.

公开(公告)号：US08748847B2

公开(公告)日：2014-06-10

申请号：US13723855

申请日：2012-12-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jong Rak Sohn ,  Seul Gee Lee ,  Chul Soo Yoon ,  Chang Bun Yoon ,  Min Jung Park ,  Sang Hoon Ahn

IPC: G01N21/64

CPC classification number: H01L22/20 ,  G01J1/0488 ,  G01J3/0251 ,  G01J2001/4252 ,  G01N21/64 ,  H01L22/14 ,  H01L33/005 ,  H01L33/56 ,  H01L2933/0041

Abstract: A method of manufacturing a white light emitting device includes dividing a phosphor sheet into phosphor film units to be applied to individual light emitting diode (LED) devices, measuring light conversion characteristics of the respective phosphor film units, classifying the phosphor film units of the phosphor sheet into a plurality of groups according to measurement results of the light conversion characteristics and combining the phosphor film units classified into the plurality of groups and an LED device having predetermined light characteristics so as to obtain target color characteristics.

Abstract translation: 一种白色发光器件的制造方法，其特征在于，将荧光体片分割为单独的发光二极管（LED）器件的荧光膜单元，测定各荧光膜单元的光转换特性，对荧光体膜的荧光体单元进行分类 根据光转换特性的测量结果将多个组分成多组，并组合分成多组的荧光膜单元和具有预定光特性的LED装置，以获得目标色特性。

公开(公告)号：US10851294B2

公开(公告)日：2020-12-01

申请号：US15719724

申请日：2017-09-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ji Ho You ,  In Hyung Lee ,  Tae Hoon Kim ,  Jong Won Park ,  Chul Soo Yoon ,  Chi Woo Lee

IPC: C09K11/61 ,  C09K11/02 ,  C09K11/57

Abstract: There is provided a fluoride phosphor composite including: fluoride phosphor core particles that may be expressed by the empirical formula AxMFy:Mn4+, wherein A may be at least one selected from the group consisting of Li, Na, K, Rb, and Cs, M may be at least one selected from the group consisting of Si, Ti, Zr, Hf, Ge, and Sn, the composition ratio (x) of A may satisfy 2≤x≤3, the composition ratio (y) of F may satisfy 4≤y≤7, each fluoride phosphor composite particle may be coated with a Mn-free fluoride coating. The Mn-free fluoride coating may have a thickness less than or equal to 35% of the size of each fluoride phosphor composite particle.

公开(公告)号：US10658551B2

公开(公告)日：2020-05-19

申请号：US16043546

申请日：2018-07-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung Woo Choi ,  Jeong Rok Oh ,  Jeong Eun Yun ,  Chul Soo Yoon

IPC: H01L33/50 ,  H01L33/60 ,  H01L33/64 ,  H01L33/42 ,  C04B35/64 ,  H01L33/06 ,  C03C14/00 ,  C03C8/08 ,  C03C8/14 ,  H01L33/56 ,  H01L23/08 ,  F21V8/00 ,  B82Y20/00 ,  C03C3/062

Abstract: A wavelength-converting film includes a sintered body formed of a mixture of a wavelength-converting material and a glass composition. The wavelength-converting material includes a quantum dot having a core-shell structure and a protective layer coating a surface of the quantum dot. A shell of the quantum dot contains at least one of Zn, S, and Se, the protective layer does not contain S and Se, and the glass composition includes a SnO2—P2O5—SiO2-based composition.

公开(公告)号：US10446722B2

公开(公告)日：2019-10-15

申请号：US15987195

申请日：2018-05-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung Woo Choi ,  Cho Hui Kim ,  Jeong Eun Yun ,  Chul Soo Yoon

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/54 ,  H01L33/56 ,  F21V29/76 ,  F21K9/23 ,  F21K9/27 ,  F21Y115/10 ,  H01L33/32 ,  H01L33/06 ,  F21V29/503 ,  H01L33/62

Abstract: A white light emitting device includes a substrate, a first light emitting diode configured to emit first blue light having a peak intensity at a wavelength within the range of 445 nm to 455 nm, a second light emitting diode configured to emit second blue light having a peak intensity at a wavelength within the range of 465 nm to 495 nm, and a wavelength conversion unit configured to convert portions of the first blue light and the second blue light, and to provide white light formed by a combination of the converted portions of the first blue light and the second blue light with unconverted portions of the first blue light and the second blue light. The wavelength conversion unit includes a first wavelength conversion material configured to emit first light having a peak intensity at a wavelength within the range of 520 nm to 560 nm, and a second wavelength conversion material configured to emit second light having a peak intensity at a wavelength within the range of 600 nm to 645 nm.

公开(公告)号：US20190293242A1

公开(公告)日：2019-09-26

申请号：US16180271

申请日：2018-11-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mi Hyae Park ,  Ho Sun Paek ,  Jae Sung You ,  Chul Soo Yoon ,  Young Mook Lim

IPC: F21K9/232 ,  F21V23/06 ,  H01L25/075 ,  H01L23/538 ,  H01L33/50 ,  H01L33/56 ,  H01L33/62

Abstract: An LED module includes a flexible substrate having a first surface on which a circuit pattern is disposed and a second surface opposing the first surface, and having a light transmittance of 80% or more; a plurality of LED chips mounted on the first surface of the flexible substrate, and electrically connected to the circuit pattern; first and second connection terminals disposed at both ends of the flexible substrate, and connected to the circuit pattern; and a wavelength converter covering the plurality of LED chips, and surrounding the flexible substrate.

公开(公告)号：US20190256768A1

公开(公告)日：2019-08-22

申请号：US16400325

申请日：2019-05-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jong Won Park ,  Woon Seok Kim ,  Tae Hoon Kim ,  Ji Ho You ,  Chul Soo Yoon

IPC: C09K11/61 ,  C09K11/02

Abstract: A fluoride phosphor includes fluoride particles represented by AxMFy:Mnz4+ where A is at least one selected from lithium (Li), sodium (Na), potassium (K), rubidium (Rb), and cesium (Cs), M is at least one selected from silicon (Si), titanium (Ti), zirconium (Zr), hafnium (Hf), germanium (Ge) and tin (Sn), a compositional ratio x of A satisfies 2≤x≤3, and a compositional ratio y of F satisfies 4≤y≤7; and an organic material physically adsorbed onto surfaces of the fluoride particles to allow the fluoride particles to have hydrophobicity. The fluoride particles have a concentration of Mn4+ gradually reduced from respective centers to respective surfaces of the fluoride particles.

公开(公告)号：US20140227806A1

公开(公告)日：2014-08-14

申请号：US14257219

申请日：2014-04-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： JONG RAK SOHN ,  Seul Gee Lee ,  Chul Soo Yoon ,  Chang Bun Yoon ,  Min Jung Park ,  Sang Hoon Ahn

IPC: H01L21/66 ,  H01L33/56

CPC classification number: H01L22/20 ,  G01J1/0488 ,  G01J3/0251 ,  G01J2001/4252 ,  G01N21/64 ,  H01L22/14 ,  H01L33/005 ,  H01L33/56 ,  H01L2933/0041

Abstract: A method of manufacturing a white light emitting device includes dividing a phosphor sheet into phosphor film units to be applied to individual light emitting diode (LED) devices, measuring light conversion characteristics of the respective phosphor film units, classifying the phosphor film units of the phosphor sheet into a plurality of groups according to measurement results of the light conversion characteristics and combining the phosphor film units classified into the plurality of groups and an LED device having predetermined light characteristics so as to obtain target color characteristics.

Abstract translation: 一种白色发光器件的制造方法，其特征在于，将荧光体片分割为单独的发光二极管（LED）器件的荧光膜单元，测定各荧光膜单元的光转换特性，对荧光体膜的荧光体单元进行分类 根据光转换特性的测量结果将多个组分成多组，并组合分成多组的荧光膜单元和具有预定光特性的LED装置，以获得目标色特性。