公开(公告)号：US09343613B2

公开(公告)日：2016-05-17

申请号：US14385510

申请日：2013-03-29

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Josephus Paulus Augustinus Deeben ,  Patrick Henricus Johannes Van Stijn

IPC: H01L33/00 ,  H01L33/50

CPC classification number: H01L33/502 ,  H01L33/005 ,  H01L33/501 ,  H01L2224/16225 ,  H01L2924/181 ,  H01L2933/0041 ,  H01L2924/00012

Abstract: A method for fabricating an LED/phosphor structure is described where an array of blue light emitting diode (LED) dies are mounted on a submount wafer. A phosphor powder is mixed with an organic polymer binder, such as an acrylate or nitrocellulose. The liquid or paste mixture is then deposited over the LED dies or other substrate as a substantially uniform layer. The organic binder is then removed by being burned away in air, or being subject to an O2 plasma process, or dissolved, leaving a porous layer of phosphor grains sintered together. The porous phosphor layer is impregnated with a sol-gel (e.g., a sol-gel of TEOS or MTMS) or liquid glass (e.g., sodium silicate or potassium silicate), also known as water glass, which saturates the porous structure. The structure is then heated to cure the inorganic glass binder, leaving a robust glass binder that resists yellowing, among other desirable properties.

公开(公告)号：US09097397B2

公开(公告)日：2015-08-04

申请号：US14366933

申请日：2012-12-17

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Patrick Henricus Johannes Van Stijn ,  Martinus Petrus Joseph Peeters ,  Hans-Helmut Bechtel ,  Matthias Heidemann ,  Jordy Bernard Margreth Schoenmaekers ,  Peter Josef Schmidt

IPC: F21K99/00 ,  H01L33/50

CPC classification number: F21K9/56 ,  F21K9/64 ,  H01L33/504 ,  H01L33/507

Abstract: The invention provides alighting unit (100) comprising a light source (10) and a light conversion layer (20). The light source (10) comprises a light emitting diode (LED) (110) and a first luminescent material layer (120) in physical contact with a light emitting surface (115) of the LED (110). The first luminescent material layer (120) comprises a first luminescent material (130), configured to convert at least part of LED light (111) into light (131) having a red component. The light source (10) is configured to generate light (11) having a blue component and having the red component of the light (131). The light conversion layer (20), configured at a non-zero distance (d) from the light source (10), comprises a second luminescent material (30) configured to convert at least part of the light (11) into light (31). The lighting unit (100) is configured to provide white lighting unit light (111).

Abstract translation: 本发明提供了包括光源（10）和光转换层（20）的下放单元（100）。 光源（10）包括与LED（110）的发光表面（115）物理接触的发光二极管（LED）（110）和第一发光材料层（120）。 第一发光材料层（120）包括第一发光材料（130），其构造成将至少部分LED光（111）转换为具有红色分量的光（131）。 光源（10）被配置为产生具有蓝色分量并具有光（131）的红色分量的光（11）。 配置在距离光源（10）非零距离（d）的光转换层（20）包括第二发光材料（30），被配置为将至少部分光（11）转换为光（31） ）。 照明单元（100）被配置为提供白色照明单元光（111）。

公开(公告)号：US20160233392A1

公开(公告)日：2016-08-11

申请号：US15132021

申请日：2016-04-18

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Josephus Paulus Augustinus Deeben ,  Patrick Henricus Johannes Van Stijn

IPC: H01L33/50

CPC classification number: H01L33/502 ,  H01L33/005 ,  H01L33/501 ,  H01L2224/16225 ,  H01L2924/181 ,  H01L2933/0041 ,  H01L2924/00012

Abstract: A method for fabricating an LED/phosphor structure is described where an array of blue light emitting diode (LED) dies are mounted on a submount wafer. A phosphor powder is mixed with an organic polymer binder, such as an acrylate or nitrocellulose. The liquid or paste mixture is then deposited over the LED dies or other substrate as a substantially uniform layer. The organic binder is then removed by being burned away in air, or being subject to an O2 plasma process, or dissolved, leaving a porous layer of phosphor grains sintered together. The porous phosphor layer is impregnated with a sol-gel (e.g., a sol-gel of TEOS or MTMS) or liquid glass (e.g., sodium silicate or potassium silicate), also known as water glass, which saturates the porous structure. The structure is then heated to cure the inorganic glass binder, leaving a robust glass binder that resists yellowing, among other desirable properties.

公开(公告)号：US09590146B2

公开(公告)日：2017-03-07

申请号：US15132021

申请日：2016-04-18

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Josephus Paulus Augustinus Deeben ,  Patrick Henricus Johannes Van Stijn

IPC: H01L33/00 ,  H01L33/50

CPC classification number: H01L33/502 ,  H01L33/005 ,  H01L33/501 ,  H01L2224/16225 ,  H01L2924/181 ,  H01L2933/0041 ,  H01L2924/00012

Abstract: A method for fabricating an LED/phosphor structure is described where an array of blue light emitting diode (LED) dies are mounted on a submount wafer. A phosphor powder is mixed with an organic polymer binder, such as an acrylate or nitrocellulose. The liquid or paste mixture is then deposited over the LED dies or other substrate as a substantially uniform layer. The organic binder is then removed by being burned away in air, or being subject to an O2 plasma process, or dissolved, leaving a porous layer of phosphor grains sintered together. The porous phosphor layer is impregnated with a sol-gel (e.g., a sol-gel of TEOS or MTMS) or liquid glass (e.g., sodium silicate or potassium silicate), also known as water glass, which saturates the porous structure. The structure is then heated to cure the inorganic glass binder, leaving a robust glass binder that resists yellowing, among other desirable properties.

Abstract translation: 描述了一种用于制造LED /磷光体结构的方法，其中蓝色发光二极管（LED）裸片的阵列安装在底座晶片上。 荧光粉与有机聚合物粘合剂如丙烯酸酯或硝化纤维素混合。 然后将液体或糊状混合物沉积在LED管芯或其它基底上，作为基本均匀的层。 然后通过在空气中燃烧或进行O 2等离子体处理或溶解而除去有机粘合剂，留下烧结在一起的多孔磷光体颗粒层。 多孔磷光体层用溶胶 - 凝胶（例如TEOS或MTMS的溶胶 - 凝胶）或饱和多孔结构饱和的液体玻璃（例如硅酸钠或硅酸钾）（也称为水玻璃）浸渍。 然后将该结构加热以固化无机玻璃粘合剂，留下坚固的玻璃粘合剂，其耐受黄变等性能。