公开(公告)号：US20190035981A1

公开(公告)日：2019-01-31

申请号：US16150259

申请日：2018-10-02

Applicant: NICHIA CORPORATION

Inventor： Hirofumi ICHIKAWA ,  Masaki HAYASHI ,  Shimpei SASAOKA ,  Tomohide MIKI

IPC: H01L33/48 ,  H01L33/60 ,  H01L33/56 ,  B29C45/00 ,  H01L33/50 ,  H01L23/00 ,  B29C45/14 ,  H01L33/62 ,  H01L33/64

Abstract: A method of manufacturing a light emitting device having a resin package which provides an optical reflectivity equal to or more than 70% at a wavelength between 350 nm and 800 nm after thermal curing, and in which a resin part and a lead are formed in a substantially same plane in an outer side surface, includes a step of sandwiching a lead frame provided with a notch part, by means or an upper mold and a lower mold, a step of transfer-molding a thermosetting resin containing a light reflecting material in a mold sandwiched by the upper mold and the lower mold to form a resin-molded body in the lead frame and a step of cutting the resin-molded body and the lead frame along the notch part.

公开(公告)号：US20160233396A1

公开(公告)日：2016-08-11

申请号：US15132886

申请日：2016-04-19

Applicant: NICHIA CORPORATION

Inventor： Akihiro OTA ,  Seitaro AKAGAWA ,  Hirofumi ICHIKAWA ,  Yasunori SHIMIZU

IPC: H01L33/56 ,  C09K11/77 ,  C09K11/02 ,  H01L33/54 ,  C08K3/36 ,  C08K3/22 ,  H01L33/50 ,  H01L33/62 ,  C09K11/61 ,  C08K3/34

CPC classification number: H01L33/56 ,  C08K3/22 ,  C08K3/34 ,  C08K3/36 ,  C08K2003/2227 ,  C08K2003/2237 ,  C08K2003/2244 ,  C08K2003/2296 ,  C09K11/025 ,  C09K11/617 ,  C09K11/7734 ,  H01L33/486 ,  H01L33/502 ,  H01L33/504 ,  H01L33/507 ,  H01L33/54 ,  H01L33/62 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H01L2933/0091 ,  H01L2924/00014 ,  H01L2924/00012

Abstract: Provided a light emitting device comprising: a package; a light emitting element disposed in the package; an encapsulation member that covers the light emitting element, the encapsulation member being formed from a resin composition that contains a fluorescent material, a resin, and nanoparticles selected from at least one of the group consisting of aluminum oxide nanoparticles, titanium oxide nanoparticles, zinc oxide nanoparticles, zirconium oxide nanoparticles, and silicon oxide nanoparticles, wherein when the resin composition includes silicon oxide nanoparticles, the content of the silicon oxide nanoparticles is 0.02 to 5 mass parts relative to 100 mass parts of the resin; and wherein the fluorescent material is a red-light emitting fluorescent material including a fluoride material having a chemical composition that includes tetravalent manganese, at least one selected from the group consisting of alkali metal elements and NH4+, and at least one selected from the group consisting of elements from Group 4 of the periodic table and elements from Group 14 of the periodic table.

Abstract translation: 提供一种发光器件，包括：封装; 设置在所述封装中的发光元件; 覆盖所述发光元件的封装构件，所述封装构件由含有荧光材料的树脂组合物，树脂和选自氧化铝纳米颗粒，氧化钛纳米颗粒，氧化锌中的至少一种的纳米颗粒形成 纳米颗粒，氧化锆纳米颗粒和氧化硅纳米颗粒，其中当树脂组合物包含氧化硅纳米颗粒时，氧化硅纳米颗粒的含量相对于100质量份树脂为0.02〜5质量份; 并且其中所述荧光材料是包括具有化学组成的氟化物材料的红色发光荧光材料，所述化学组成包括四价锰，选自碱金属元素和NH 4 +的至少一种，以及选自以下的至少一种： 周期表第4组元素和元素周期表第14组元素。

公开(公告)号：US20160233388A1

公开(公告)日：2016-08-11

申请号：US15015130

申请日：2016-02-04

Applicant: NICHIA CORPORATION

Inventor： Hirofumi ICHIKAWA ,  Motohisa KITANI ,  Junya NARITA ,  Keisuke KURASHITA ,  Takanori AKAISHI

IPC: H01L33/48 ,  H01L25/075 ,  H01L33/62 ,  H01L33/20 ,  H01L33/56

CPC classification number: H01L33/505 ,  H01L25/0753 ,  H01L33/20 ,  H01L33/38 ,  H01L33/486 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/73265 ,  H01L2224/92247 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

Abstract: A light-emitting device includes a package and at least one light-emitting element. The package includes a concave portion which has a bottom surface. The bottom surface includes sides, package distances between opposite sides among the sides, a longest package distance among the package distances, a lower side among the sides, and an upper side among the sides opposite to the lower side. The at least one light-emitting element is arranged on the bottom surface of the concave portion and has a polygonal shape viewed along a front direction. The polygonal shape has light-emitting element distances between vertexes of the polygonal shape and has a longest light-emitting element distance among the light-emitting element distances. The at least one light-emitting element is arranged such that a light-emitting element lateral line along the longest light-emitting element distance is substantially parallel to a package lateral line along the longest package distance.

Abstract translation: 发光器件包括封装和至少一个发光元件。 该包装包括具有底面的凹部。 底面包括侧面，侧面之间的相对侧之间的包装间距，包装间距中最长的包装距离，侧面之间的下侧以及与下侧相反的侧面中的上侧。 所述至少一个发光元件设置在所述凹部的底面上，具有沿前方观察的多边形。 多边形具有多边形顶点之间的发光元件距离，并且在发光元件距离之间具有最长的发光元件距离。 所述至少一个发光元件被布置成使得沿着最长发光元件距离的发光元件横向线沿着最长的封装距离基本上平行于封装横向线。

公开(公告)号：US20160111610A1

公开(公告)日：2016-04-21

申请号：US14600372

申请日：2015-01-20

Applicant: NICHIA CORPORATION

Inventor： Akihiro OTA ,  Seitaro AKAGAWA ,  Hirofumi ICHIKAWA ,  Yasunori SHIMIZU

IPC: H01L33/56 ,  C08K3/36 ,  H01L33/50 ,  C09K11/61 ,  C09K11/77 ,  C09K11/02 ,  C08K3/34 ,  C08K3/22

CPC classification number: H01L33/56 ,  H01L21/02601 ,  H01L33/486 ,  H01L33/502 ,  H01L33/504 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2251/5369 ,  H01L2924/181 ,  H01L2933/0091 ,  H01L2924/00014 ,  H01L2924/00012

Abstract: Provided a light emitting device comprising: a package; a light emitting element disposed in the package; an encapsulation member that covers the light emitting element, the encapsulation member being formed from a resin composition that contains a fluorescent material, a resin, and nanoparticles selected from at least one of the group consisting of aluminum oxide nanoparticles, titanium oxide nanoparticles, zinc oxide nanoparticles, zirconium oxide nanoparticles, and silicon oxide nanoparticles, wherein when the resin composition includes silicon oxide nanoparticles, the content of the silicon oxide nanoparticles is 0.02 to 5 mass parts relative to 100 mass parts of the resin; and wherein the fluorescent material includes a Mn4+ activated red-light emitting fluorescent material having a chemical composition represented by the formula (I): A2[M1-xMn4+xF6]  (I) wherein A is at least one cation selected from the group consisting of K+, Li+, Na+, Rb+, Cs+, and NH4+; M is at least one element selected from the group consisting of elements from Group 4 of the periodic table and elements from Group 14 of the periodic table, and x satisfies 0

Abstract translation: 提供一种发光器件，包括：封装; 设置在所述封装中的发光元件; 覆盖所述发光元件的封装构件，所述封装构件由含有荧光材料的树脂组合物，树脂和选自氧化铝纳米颗粒，氧化钛纳米颗粒，氧化锌中的至少一种的纳米颗粒形成 纳米颗粒，氧化锆纳米颗粒和氧化硅纳米颗粒，其中当树脂组合物包含氧化硅纳米颗粒时，氧化硅纳米颗粒的含量相对于100质量份树脂为0.02〜5质量份; 并且其中所述荧光材料包括具有由式（I）表示的化学组成的Mn4 +活化的红色发光荧光材料：A2 [M1-xMn4 + xF6]（I）其中A是至少一种选自以下的阳离子： 的K +，Li +，Na +，Rb +，Cs +和NH4 +; M是选自元素周期表第4族元素和元素周期表第14族元素中的至少一种元素，x满足0

公开(公告)号：US20160056357A1

公开(公告)日：2016-02-25

申请号：US14928550

申请日：2015-10-30

Applicant: NICHIA CORPORATION

Inventor： Hirofumi ICHIKAWA ,  Masaki HAYASHI ,  Shimpei SASAOKA ,  Tomohide MIKI

IPC: H01L33/62 ,  H01L33/48 ,  H01L33/60

CPC classification number: H01L33/486 ,  B29C45/0055 ,  B29C45/14655 ,  B29C2793/009 ,  H01L24/97 ,  H01L33/0095 ,  H01L33/504 ,  H01L33/56 ,  H01L33/60 ,  H01L33/62 ,  H01L33/641 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/12035 ,  H01L2924/12041 ,  H01L2924/12042 ,  H01L2924/181 ,  H01L2924/3025 ,  H01L2933/0033 ,  H01L2933/0066 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/00012

Abstract: A method of manufacturing a light emitting device having a resin package which provides an optical reflectivity equal to or more than 70% at a wavelength between 350 nm and 800 nm after thermal curing, and in which a resin part and a lead are formed in a substantially same plane in an outer side surface, includes a step of sandwiching a lead frame provided with a notch part, by means of an upper mold and a lower mold, a step of transfer-molding a thermosetting resin containing a light reflecting material in a mold sandwiched by the upper mold and the lower mold to form a resin-molded body in the lead frame and a step of cutting the resin-molded body and the lead frame along the notch part.

公开(公告)号：US20150162509A1

公开(公告)日：2015-06-11

申请号：US14559923

申请日：2014-12-04

Applicant: NICHIA CORPORATION

Inventor： Masafumi KURAMOTO ,  Akiko YAMASAKI ,  Hirofumi ICHIKAWA ,  Yasunori SHIMIZU ,  Akihiro OTA

IPC: H01L33/56 ,  H01L33/50

CPC classification number: H01L33/56 ,  C09K11/025 ,  C09K11/7774 ,  H01L33/0095 ,  H01L33/50 ,  H01L33/501 ,  H01L33/502 ,  H01L33/508 ,  H01L33/54 ,  H01L33/62 ,  H01L2224/45144 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2224/49113 ,  H01L2933/0091 ,  H01L2924/00014 ,  H01L2924/00

Abstract: A light emitting device (100) according to the present disclosure includes a base substrate (10) having a recessed portion (15) at its upper surface (11); a light emitting element (20) provided in the recessed portion (15); and a sealing member (30) provided in the recessed portion (15), in which the sealing member (30) contains surface-treated particles (40), or particles (40) coexisting with a dispersing agent, and at least a part of an edge portion of the sealing member (30) is a region located in the vicinity of an edge (17) of the recessed portion, and in which at least one of the particles (40) and aggregates (41) of particles are unevenly distributed.

Abstract translation: 根据本公开的发光器件（100）包括在其上表面（11）处具有凹部（15）的基底（10）。 设置在所述凹部（15）中的发光元件（20）。 以及设置在所述凹部（15）中的密封构件（30），其中所述密封构件（30）包含表面处理颗粒（40）或与分散剂共存的颗粒（40），并且至少部分 密封构件（30）的边缘部分是位于凹部的边缘（17）附近的区域，其中颗粒（40）和颗粒聚集体（41）中的至少一个不均匀分布 。