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1
CN212277223U
一种边缘防漏蓝光Mini LED结构
Grant
Publication/Patent Number: CN212277223U Publication Date: 2021-01-01 Application Number: 202021895027.9 Filing Date: 2020-09-01 Inventor: 张艳   毛雨路   庄孟儒   邵仲达   蒋春生   Assignee: 博讯光电科技(合肥)有限公司   IPC: H01L33/50 Abstract: 本实用新型公开一种边缘防漏蓝光MiniLED结构,LED结构包括基板,所述基板上设有阵列分布的芯片,基板上喷涂有透明胶,基板上喷涂有荧光胶,荧光胶上设有量子点膜;所述量子点膜覆盖于荧光胶和透明胶上;所述量子点膜包括第一光学微纳米结构层和第二光学微纳米结构层,第一光学微纳米结构层和第二光学微纳米结构层之间由上而下依次堆叠设有第一基材层、第一阻隔层、量子点层、第二阻隔层、第二基材层。本实用新型LED结构通过量子点膜和荧光胶同时将蓝光转化为白光,有效的解决边缘漏蓝光的问题,白光转化率高,效果好,生产成本低。
2
CN112397630A
发光装置
Public
Publication/Patent Number: CN112397630A Publication Date: 2021-02-23 Application Number: 202010364269.3 Filing Date: 2020-04-30 Inventor: 孙芳瑢   徐世昌   Assignee: 光宝光电(常州)有限公司   光宝科技股份有限公司   IPC: H01L33/50 Abstract: 本发明公开一种发光装置,包括一载体、一发光二极管芯片以及一波长上转换结构。发光二极管芯片设置于载体上,用以发出一第一光束,其具有一介于800纳米与1000纳米之间的波峰,波长上转换结构位于发光二极管芯片上,用以将部分的第一光束转换成一第二光束,其具有一介于400纳米与700纳米之间的转换频谱。借此,可以消除或降低红光的干扰影响。
3
CN110459664B
一种分层型量子点LED灯珠的封装方法
Grant
Publication/Patent Number: CN110459664B Publication Date: 2021-02-19 Application Number: 201910704933.1 Filing Date: 2019-07-31 Inventor: 施高伟   李玉虎   郑大建   Assignee: 厦门多彩光电子科技有限公司   IPC: H01L33/50 Abstract: 本发明公开了一种分层型量子点LED灯珠的封装方法,所述方法包括在LED灯珠的封装支架内点红粉胶体,先后经过低转速离心沉淀工艺、高转速离心沉淀工艺处理,红粉胶体经过沉淀离心后得到完全流平的红粉胶层;在经过前固化后的红粉胶层上点绿粉胶体,先后经过低转速离心沉淀工艺、高转速离心沉淀工艺处理,绿粉胶体经过沉淀离心后得到完全流平的绿粉胶层,经过固化工艺处理,形成分层型量子点LED灯珠成品;本发明方法提高产品色坐标的集中性、散热性能更好、荧光粉(绿粉、红粉)的用量明显减少,大大降低成本;发光材料在荧光粉层分布均匀,色区打靶集中,工艺良率大大提高等特点。
4
CN112382714A
LED光谱合成方法及终端
Public
Publication/Patent Number: CN112382714A Publication Date: 2021-02-19 Application Number: 202011271457.8 Filing Date: 2020-11-13 Inventor: 陈庆美   陈德信   陈力超   匡小凤   张正榜   赵利民   陈金铭   伊光煜   郑周建   刘景权   Assignee: 福建鸿博光电科技有限公司   IPC: H01L33/50 Abstract: 本发明公开了LED光谱合成方法及终端,其方法包括步骤:S1、预先录入发光芯片的物料参数以及荧光粉的物料参数和对应的特性光谱;S2、接收需求参数和模拟物料,根据模拟物料得到合成参数,模拟物料包括模拟发光芯片和多款模拟荧光粉;S3、在同一界面上生成需求参数所对应的需求光谱以及生成合成参数所对应的合成光谱;S4、根据对模拟物料的修改同步修改合成光谱,直至合成光谱与需求光谱一致;本发明可以在同一界面上生成需求光谱以及合成光谱,从而辅助白光工程师根据显示的光谱差距进行模拟物料的修改,直至合成光谱与需求光谱一致,即能帮助白光工程师快速找到LED产品所需要的晶片、荧光粉和其配比组合,以提高LED产品的研发速度。
5
CN112420902A
一种光源模组及包括该光源模组的照明装置
Public
Publication/Patent Number: CN112420902A Publication Date: 2021-02-26 Application Number: 202011342042.5 Filing Date: 2020-11-26 Inventor: 周志贤   范晓鸣   Assignee: 欧普照明股份有限公司   苏州欧普照明有限公司   IPC: H01L33/50 Abstract: 一种光源模组包括蓝光发生部、青光发生部、黄绿光发生部、红光发生部,所述红光发生部包括第一附加发光体和第二附加发光体,所述第一附加发光体发出的光形成红光区内的主发射峰,所述第二附加发光体发出的光形成红光区内的次发射峰,所述次发射峰的光谱强度为所述主发射峰的光谱强度的30.0~80.0%,所述光源模组的发射光为色温在3000K~6000K的白光,CIE1931色空间上,与黑体轨迹BBL的距离duv=‑0.007~0.007。本发明所提供的光源模组针对预防近视的特殊需求,专门优化了光谱分布,加入了窄带红光荧光粉,改变红光区特定区域的能量分布。在本申请光源模组及灯具提供的光环境下工作、生活、学习,可以缓解视疲劳,进而预防近视的发生以及延缓近视的进程。
6
CN110098304B
一种新型发光灯珠与灯具
Grant
Publication/Patent Number: CN110098304B Publication Date: 2021-02-02 Application Number: 201910356836.8 Filing Date: 2019-04-29 Inventor: 李玉容   章金惠   潘利兵   李福海   谢志国   李丹伟   覃玉璋   Assignee: 佛山市国星光电股份有限公司   IPC: H01L33/50 Abstract: 本申请文件提供了一种新型发光灯珠与灯具。所述灯珠包括至少一个发光元件以及由发光元件激发的荧光粉,所述发光元件的发射主峰在400nm‑415nm,所述荧光粉包括蓝色荧光粉、绿色荧光粉、黄色荧光粉和红色荧光粉。由于使用发射主峰在400nm‑415nm的发光元件激发四种荧光粉的混合物,使得所述新型发光灯珠在415nm‑460nm的范围内基本没有发光,大大减少蓝光危害;而460nm‑480nm范围内的蓝光强度得到提升,使得颜色更加鲜艳;并且在420nm‑660nm的波长范围内能够发出波动幅度小、连续性优异的光谱,并且整体相较于传统LED灯珠的蓝光减少,更为贴近太阳光。上述新型发光灯珠可以安装于基板上,进而形成发光效率很高的灯具。
7
EP3748703A3
CONVERTER WITH GLASS LAYERS
Publication/Patent Number: EP3748703A3 Publication Date: 2021-01-20 Application Number: 20186985.6 Filing Date: 2018-12-20 Inventor: Basin, Grigoriy   Ng, Mooi Guan   Kosowsky, Lex Alan   Barton, Phillip   Assignee: Lumileds LLC   IPC: H01L33/50 Abstract: A wavelength converting layer may have a glass or a silicon porous support structure. The wavelength converting layer may also have a cured portion of wavelength converting particles and a binder filling the porous glass or silicon support structure.
8
CN112310263A
一种全光谱LED光源
Substantial Examination
Publication/Patent Number: CN112310263A Publication Date: 2021-02-02 Application Number: 201910713540.7 Filing Date: 2019-08-02 Inventor: 何锦华   徐俊峰   梁超   符义兵   Assignee: 江苏博睿光电有限公司   IPC: H01L33/50 Abstract: 本发明提出了一种全光谱LED光源,包括发射波长为350‑480nm的激发光源和配置于激发光源上方的荧光层;荧光层包括荧光粉组和透明材料,所述荧光粉组包括发射波长为480‑520nm的蓝绿色荧光粉,发射波长为500‑590nm的黄绿色荧光粉;发射波长为600‑700nm的红色荧光粉;本发明的全光谱LED光源中荧光粉组还包括发射波长为430‑500nm的蓝色荧光粉。本发明提出的全光谱LED光源不仅具有优异的老化性能、高亮度,且具有高显色指数。
9
US10910529B2
Wavelength converted light emitting device
Publication/Patent Number: US10910529B2 Publication Date: 2021-02-02 Application Number: 15/740,549 Filing Date: 2016-06-28 Inventor: Schmidt, Peter Josef   Shchekin, Oleg Borisovich   Mayr, Walter   Bechtel, Hans-helmut   Chamberlin, Danielle   Mueller-mach, Regina   Mueller, Gerd   Assignee: KONINKLIJKE PHILIPS N.V.   IPC: H01L33/50 Abstract: In a method according to embodiments of the invention, for a predetermined amount of light produced by a light emitting diode and converted by a phosphor layer comprising a host material and a dopant, and for a predetermined maximum reduction in efficiency of the phosphor at increasing excitation density, a maximum dopant concentration of the phosphor layer is selected.
10
EP3783677A1
ELECTRONIC DEVICE
Publication/Patent Number: EP3783677A1 Publication Date: 2021-02-24 Application Number: 20189528.1 Filing Date: 2020-08-05 Inventor: Kuo, Shu-ming   Assignee: InnoLux Corporation   IPC: H01L33/50 Abstract: An electronic device including a first substrate, an isolating layer, a porous structure, and a light conversion unit is provided. The isolating layer is disposed on the first substrate and has an opening. The porous structure is disposed in the opening and has a plurality of pores arranged irregularly. The light conversion unit is disposed in the pores of the porous structure. The electronic device of the disclosure has ideal quality.
11
CN109742218B
基于最小二乘法的LED荧光粉胶配比和点胶量推荐方法
Grant
Publication/Patent Number: CN109742218B Publication Date: 2021-01-22 Application Number: 201811386595.3 Filing Date: 2018-11-20 Inventor: 肖超   顾铠   任锦   Assignee: 浙江云科智造科技有限公司   IPC: H01L33/50 Abstract: 本发明涉及一种基于最小二乘法的单色荧光粉LED荧光粉胶配比和点胶量推荐方法,包括:选取单色荧光粉色坐标;根据单色荧光粉色坐标计算目标色坐标;根据目标色坐标,计算单色荧光粉单位体积转换效率;根据目标色坐标和单色荧光粉单位体积转换效率,计算单色荧光粉体积;根据单色荧光粉体积,计算单色荧光粉质量;根据单色荧光粉质量,计算质量配比;根据质量配比,计算点胶量。本发明提出的方法,利用基于大数据的算法,当企业用户输入相关物料信息和产品信息时,即可通过本方法推荐荧光粉质量配比,持续利用数据优化迭代算法模型,有利于提高配比准确率,帮助工程师缩短试样、试产周期,降低生产成本,提高生产效率和良率。
12
US10923637B2
Method of manufacturing a plurality of conversion elements, conversion element and optoelectronic component
Publication/Patent Number: US10923637B2 Publication Date: 2021-02-16 Application Number: 16/351,787 Filing Date: 2019-03-13 Inventor: Römer, Rebecca   Leitl, Markus   Assignee: OSRAM OLED GmbH   IPC: H01L33/50 Abstract: A method of manufacturing a plurality of conversion elements includes providing a first conversion layer on an auxiliary carrier, the first conversion layer converting electromagnetic radiation of a first wavelength range into electromagnetic radiation of a second wavelength range, applying a second conversion layer on the first conversion layer, the second conversion layer converting electromagnetic radiation of the first wavelength range into electromagnetic radiation of a third wavelength range, and separating the generated layer stack such that a plurality of conversion elements are generated, wherein each conversion element includes at least one first converting region having material of the first conversion layer, each conversion element includes at least one second converting region having material of the second conversion layer, and the converting regions are arranged laterally side by side.
13
CN110444651B
一种光学装置
Grant
Publication/Patent Number: CN110444651B Publication Date: 2021-02-26 Application Number: 201910617267.8 Filing Date: 2019-07-09 Inventor: 刘荣辉   刘元红   陈晓霞   马小乐   薛原   Assignee: 有研稀土新材料股份有限公司   IPC: H01L33/50 Abstract: 一种光学装置,该光学装置包含LED芯片、Ce激活的可见光发光材料、近红外发光材料xAO·yInO·bRO的化合物,其中所述近红外发光材料中A元素为Sc和/或Ga元素,R元素为Cr、Yb、Nd或Er元素中的一种或者两种,其中必含Cr,0.001≤x≤1,0≤y≤1,0.001≤b≤0.2,且0.001≤b/(x+y)≤0.2。该近红外发光材料具有与β‑GaO相同的晶体结构。该光学装置利用LED芯片复合红外发光材料和可见光发光材料的实现方式,用同一LED芯片同时实现近红外及可见光发光,极大简化了封装工艺,降低了封装成本,具有发光效率高/可靠性能优异、抗干扰能力强、可实现白光补偿等特点。本发明实施例所提供的光学装置在安防领域具有极大应用前景。
14
US2021017447A1
PHOSPHOR AND LIGHT SOURCE DEVICE
Publication/Patent Number: US2021017447A1 Publication Date: 2021-01-21 Application Number: 16/982,968 Filing Date: 2019-03-11 Inventor: Terui, Tatsuya   Sato, Masato   Assignee: TDK CORPORATION   IPC: C09K11/77 Abstract: A phosphor and a light source device having the phosphor having a high internal quantum yield by enabling a large Ce amount, capable of shifting the fluorescence wavelength of yellow fluorescence to the long wavelength side, having satisfactory heat quenching resistance, and excellent in blue light transmittance. The phosphor includes a Ce:YAG single crystal having a Ce amount of 0.7 parts by mole or more when the total amount of Y and Ce is 100 parts by mole.
15
US10920140B2
Method for producing fluorescent material
Publication/Patent Number: US10920140B2 Publication Date: 2021-02-16 Application Number: 16/535,200 Filing Date: 2019-08-08 Inventor: Suzuki, Tomokazu   Assignee: NICHIA CORPORATION   IPC: H01L33/50 Abstract: Provided is a method for producing a fluorescent material, including: preparing a raw material mixture including a compound containing at least one rare earth element Ln selected from the group consisting of Y, Gd, La, Lu, Sc and Sm, a compound containing at least one Group 13 element selected from Al and Ga, a compound containing Tb, a compound containing Ce and a compound containing Eu, wherein the raw material mixture contains each compound such that each element satisfies a composition represented by the following formula (I): (Ln1-a-b-cTbaCebEUc)3(Al1-dGad)5O12 (I), wherein a, b, c and d satisfy 0.25≤a<1, 0.008×10−2≤b≤1.5×10−2, 0.012×10−2≤c≤2×10−2, and 0≤d≤0.85, and heat-treating the raw material mixture to obtain the fluorescent material.
16
CN112349743A
微发光二极管阵列与其制造方法
Substantial Examination
Publication/Patent Number: CN112349743A Publication Date: 2021-02-09 Application Number: 202010461347.1 Filing Date: 2020-05-27 Inventor: 林清富   林峻宇   林仪姗   黄容宽   Assignee: 林清富   IPC: H01L27/15 Abstract: 本发明实施例提供一种微发光二极管阵列与其制造方法,其包含基板,在基板上形成磊晶层,以及在磊晶层上形成薄膜转换层。可通过微影制程(lithography)定义像素,像素的尺寸可以非常小。此制造方法的特征是不需要巨量转移。
17
CN112210376A
一种可高掺杂的绿光荧光粉及其制备方法
Substantial Examination
Publication/Patent Number: CN112210376A Publication Date: 2021-01-12 Application Number: 202011189803.8 Filing Date: 2020-10-30 Inventor: 李德川   方振国   朱光平   郭映映   马家琪   胡文浩   Assignee: 淮北师范大学   IPC: C09K11/78 Abstract: 本发明公开了一种可高掺杂的绿光荧光粉,并公开了其制备方法,属于稀土离子发光领域,所述绿光荧光粉的化学通式为KYTb(CO),其中0
18
CN112271245A
一种LED芯片封装方法及LED灯珠
Substantial Examination
Publication/Patent Number: CN112271245A Publication Date: 2021-01-26 Application Number: 202011158258.6 Filing Date: 2020-10-26 Inventor: 李仁   Assignee: 江西瑞晟光电科技有限公司   IPC: H01L33/50 Abstract: 本发明公开了一种LED芯片封装方法及LED灯珠,属于LED(发光二极管)领域,LED芯片封装方法为:通过先后采用光刻技术于LED芯片发光面设置红色荧光层与绿色荧光层,使得LED芯片发出的光依次经过红色荧光层与绿色荧光层的均匀转化,使得LED灯珠发光更加均匀,并且通过在LED芯片四周(除出光面)上设置挡光的白墙胶层,使得LED灯珠发出的光可以聚集在出光面发出,使得得LED灯珠的发光效率更高。
19
CN212659557U
一种显示可见光的紫外LED灯珠
Grant
Publication/Patent Number: CN212659557U Publication Date: 2021-03-05 Application Number: 202021436305.4 Filing Date: 2020-07-20 Inventor: 梅泽群   赛红帅   Assignee: 麦科勒(滁州)新材料科技有限公司   IPC: H01L33/50 Abstract: 本实用新型公开一种显示可见光的紫外LED灯珠的结构,包括基板、子座、芯片、荧光涂层、围坝、和透镜。基板是陶瓷电路板;子座比基板的尺寸小,位置在基板的中央;紫外芯片设置在子座上;基板上围绕子座的部分表面涂有荧光物质;围坝设置于基板的周边位置;透镜置于围坝上。由于子座,芯片的位置高于基板表面的荧光涂层,因此芯片的紫外光不能直接照在荧光涂层上,而是通过透镜表面反射回来使得荧光涂层发出可见光。这种灯珠的特点是荧光物质的位置不在紫外LED芯片发光的直接传播途径上,不影响紫外光发光的效率。本实用新型的目的在于克服现有紫外灯珠的结构中,通过添加蓝光芯片的双芯片结构来指示紫外光线,造成成本增加、电能浪费。
20
US2021013382A1
LIGHT CONVERSION FILM COMPRISING A QUANTUM DOT LAYER, BACKLIGHT UNITS FOR DISPLAY DEVICES INCLUDING THE LIGHT CONVERSION FILM, AND METHOD OF MANUFACTURING A QUANTUM DOT DISPERSION
Publication/Patent Number: US2021013382A1 Publication Date: 2021-01-14 Application Number: 16/922,467 Filing Date: 2020-07-07 Inventor: Hong, Seung Mo   Song, Jin Han   Hong, Hyeok Jin   Lee, In Won   Assignee: SHIN-A T&C   UNIAM   IPC: H01L33/50 Abstract: A light conversion film is disclosed. The light conversion film includes a first transparent support layer and a second transparent support layer are formed on upper and lower surfaces of a quantum dot layer, respectively. The quantum dot layer contains 0.4 to 2.0% by weight of quantum dot particles containing 5% by weight or more and less than 35% by weight of cadmium; 0.05 to 0.75% by weight of cadmium-free quantum dot particles; 0.1 to 10% by weight of scattering agent; and 75 to 98% by weight of matrix material, based on the total weight of the quantum dot layer. A backlight unit for a display device including the light conversion film is disclosed.
Total 500 pages