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1. (WO2019066491) LIGHT EMITTING DEVICE AND DISPLAY DEVICE HAVING SAME
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2019/066491 International Application No.: PCT/KR2018/011425
Publication Date: 04.04.2019 International Filing Date: 27.09.2018
IPC:
H01L 27/15 (2006.01) ,H01L 33/50 (2010.01) ,H01L 33/36 (2010.01) ,H01L 33/58 (2010.01) ,H01L 33/62 (2010.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
27
Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
15
including semiconductor components with at least one potential-jump barrier or surface barrier, specially adapted for light emission
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
33
Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
48
characterised by the semiconductor body packages
50
Wavelength conversion elements
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
33
Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
36
characterised by the electrodes
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
33
Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
48
characterised by the semiconductor body packages
58
Optical field-shaping elements
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
33
Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
48
characterised by the semiconductor body packages
62
Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
Applicants:
서울반도체 주식회사 SEOUL SEMICONDUCTOR CO., LTD. [KR/KR]; 경기도 안산시 단원구 산단로163번길 97-11 97-11, Sandan-ro 163beon-gil, Danwon-gu Ansan-si Gyeonggi-do 15429, KR
Inventors:
이정훈 LEE, Chung Hoon; KR
손성수 SON, Seong Su; KR
이종익 LEE, Jong Ik; KR
임재희 LIM, Jae Hee; KR
타케야모토노부 TAKEYA, Motonobu; KR
홍승식 HONG, Seung Sik; KR
Agent:
이기성 LEE, Ki Sung; KR
Priority Data:
10-2017-012713329.09.2017KR
10-2017-015766923.11.2017KR
10-2018-011367921.09.2018KR
Title (EN) LIGHT EMITTING DEVICE AND DISPLAY DEVICE HAVING SAME
(FR) MODULE ÉLECTROLUMINESCENT ET DISPOSITIF D'AFFICHAGE LE COMPORTANT
(KO) 발광 소자 및 그것을 갖는 표시 장치
Abstract:
(EN) A light emitting device according to one embodiment comprises: a first light emitting cell, a second light emitting cell, and a third light emitting cell, each of which includes a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; pads electrically connected to the first to third light emitting cells so as to independently drive the first to third light emitting cells; a second wavelength converter for converting a wavelength of light emitted from the second light emitting cell; and a third wavelength converter for converting a wavelength of light emitted from the third light emitting cell, wherein the third wavelength converter converts the wavelength of light to a wavelength longer than that of the second wavelength converter, the second light emitting cell has a larger area than that of the first light emitting cell, and the third light emitting cell has a larger area than that of the second light emitting cell.
(FR) Selon un mode de réalisation, un dispositif électroluminescent comprend : une première cellule électroluminescente, une deuxième cellule électroluminescente et une troisième cellule électroluminescente, chacune comprenant une première couche semi-conductrice conductrice, une couche active et une seconde couche semi-conductrice conductrice; des pastilles électriquement connectées aux première à troisième cellules électroluminescentes, de façon à activer indépendamment les première à troisième cellules électroluminescentes; un convertisseur de deuxième longueur d'onde, permettant de convertir une longueur d'onde de lumière émise par la deuxième cellule électroluminescente; et un convertisseur de troisième longueur d'onde, permettant de convertir une longueur d'onde de lumière émise par la troisième cellule électroluminescente, le convertisseur de troisième longueur d'onde convertissant la longueur d'onde de la lumière à une longueur d'onde plus longue que celle du convertisseur de deuxième longueur d'onde, la deuxième cellule électroluminescente ayant une surface plus grande que celle de la première cellule électroluminescente et la troisième cellule électroluminescente ayant une surface plus grande que celle de la deuxième cellule électroluminescente.
(KO) 일 실시예에 따른 발광 소자는, 각각 제1 도전형 반도체층, 활성층 및 제2 도전형 반도체층을 포함하는 제1 발광셀, 제2 발광셀 및 제3 발광셀; 제1 내지 제3 발광셀들을 독립적으로 구동할 수 있도록 제1 내지 제3 발광셀들에 전기적으로 접속된 패드들; 제2 발광셀에서 방출된 광의 파장을 변환하는 제2 파장변환기; 및 제3 발광셀에서 방출된 광의 파장을 변환하는 제3 파장변환기를 포함하되, 제3 파장변환기는 제2 파장변환기보다 더 장파장으로 광의 파장을 변환하고, 제2 발광셀은 제1 발광셀보다 더 큰 면적을 가지며, 제3 발광셀은 제2 발광셀보다 더 큰 면적을 가진다.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Korean (KO)
Filing Language: Korean (KO)