公开(公告)号：WO2023080929A1

公开(公告)日：2023-05-11

申请号：PCT/US2022/029954

申请日：2022-05-19

Applicant: LEDVANCE LLC

Inventor： WANG, Xinrong ,  JIANG, Tianzheng ,  LI, Ming

IPC: F21K9/238 ,  F21K9/232 ,  F21K9/237 ,  F21K9/64 ,  F21Y107/00

Abstract: A lamp including electrical leads (56a, 56b) extending into a supporting stem (25) that are in communication with a base electrode (66) for engagement to a light fixture; and a light engine comprising light emitting diode filaments (100a, 100b, 100c, 100d, 100c, 100f) that are in electrical communication with the electrical leads. The light emitting diode filaments further include light emitting diode (LED) chips engaged to contact pads of a circuit on a substrate to provide that the light emitting diode (LED) chips (150) are electrically connected. In some embodiments, each light emitting diode (LED) chip includes at least a light transmission surface that is in contact with an individual portion of phosphor (153) for the LED chip. In other embodiments, a phosphor layer (253) extends over an island of LED chips.

公开(公告)号：WO2022268700A1

公开(公告)日：2022-12-29

申请号：PCT/EP2022/066704

申请日：2022-06-20

Applicant: SIGNIFY HOLDING B.V.

Inventor： VAN BOMMEL, Ties

IPC: H01L25/075 ,  F21K9/64 ,  F21K9/65 ,  H01L33/50 ,  H01L33/54 ,  F21Y115/10 ,  F21K9/232 ,  F21Y2115/10 ,  H01L25/0753 ,  H01L2933/0091 ,  H01L33/504 ,  H01L33/507

Abstract: A LED filament (2,20) configured to provide LED filament light. The LED filament comprising an elongated carrier (7) extending in a lengthwise direction, said elongated carrier comprising a first major surface (7a). The LED filament further comprises a plurality of LEDs (8) arranged on said first major surface and configured to emit LED light, a first layer (9) free from a luminescent material encapsulating or covering said plurality of LEDs and at least partly encapsulating or covering said first major surface, said first elongated translucent layer having a width, W1, transverse to said lengthwise direction, and a second layer (10) comprising a luminescent material configured to partly convert said LED light, the second layer is arranged on an outer surface (9a) of said first layer, such that the second layer is contained within the width, W1, of the first layer.

公开(公告)号：WO2022178024A1

公开(公告)日：2022-08-25

申请号：PCT/US2022/016645

申请日：2022-02-16

Applicant: LUMILEDS LLC

Inventor： EPMEIER, Matthias

IPC: F21K9/232 ,  F21K9/90 ,  F21S41/148 ,  H05K1/18 ,  H05K1/05 ,  F21Y107/90 ,  F21Y115/10

Abstract: A lighting device is described. The lighting device includes a support structure, which includes a central mounting face and at least one first lateral mounting face adjacent the central mounting face and forming an included angle with the central mounting face of 60° to 90°. The device also includes at least one central light emitting element on the central mounting face and in contact with the support structure and at least one first lateral light emitting element on the first lateral mounting face and in contact with the support structure.

公开(公告)号：WO2022128988A1

公开(公告)日：2022-06-23

申请号：PCT/EP2021/085603

申请日：2021-12-14

Applicant: SIGNIFY HOLDING B.V.

Inventor： VAN BOMMEL, Ties ,  HIKMET, Rifat, Ata, Mustafa

IPC: H05B45/20 ,  F21K9/232

Abstract: The invention provides a LED filament device (1000) configured to generate LED filament device light (1001), wherein the LED filament device (1000) comprises a LED filament (1100), wherein the LED filament (1100) comprises a plurality of light generating devices (100), each comprising a solid state light source (10), wherein the plurality of light generating devices (100) comprises a first set of n1 first light generating devices (110) configured to generate red first device light (111), a second set of n2 second light generating devices (120) configured to generate blue second device light (121), and a third set of n3 third light generating devices (130) configured to generate green third device light (131), wherein at least part of a total number n2 of the second light generating devices (120) of the second set are configured neighboring to first light generating devices (110) of the first set, wherein at least part of a total number n3 of the third light generating devices (130) of the third set are configured neighboring to first light generating devices (110) of the first set, wherein a total number n1 of the first light generating devices (110) is larger than the total number n2 of second light generating devices (120), wherein the total number n1 of the first light generating devices (110) is larger than a total number n3 of third light generating devices (130), wherein in a first operational mode the LED filament device (1000) is configured to generate filament device light (1001) having a correlated color temperature of at maximum 2500 K, wherein the filament device light (1001) comprises the red first device light (111) of the first set of n1 first light generating devices (110), the blue second device light (121) of the second set of n2 second light generating devices (120), and the green third device light (131) of the third set of n3 third light generating devices (130).

公开(公告)号：WO2022042432A1

公开(公告)日：2022-03-03

申请号：PCT/CN2021/113685

申请日：2021-08-20

Applicant: 嘉兴山蒲照明电器有限公司

Inventor： 熊爱明 ,  周林 ,  王名斌 ,  陈振坤 ,  余志善 ,  江涛 ,  黎岳兴 ,  鳗池勇人 ,  斎藤幸广 ,  张志超

IPC: F21K9/232

Abstract: 本申请涉及照明领域，公开了一种LED灯丝，其包括LED段、电极及光转换层，LED段包括至少一个LED芯片，LED灯丝中相邻LED芯片、LED芯片与电极之间相互电性连接，光转换层包括顶层与承载层，承载层包括透明层和基层，顶层与基层与LED芯片接触，透明层与基层接触，在LED灯丝的长度方向上，透明层的长度小于基层的长度

公开(公告)号：WO2022015443A1

公开(公告)日：2022-01-20

申请号：PCT/US2021/037191

申请日：2021-06-14

Applicant: LEOCOLAB LLC

Inventor： LI, Xiaofeng ,  TSCHETTER, Sotera

IPC: F21K9/232 ,  F21K9/238 ,  F21V23/02 ,  F21K9/237 ,  F21V23/04

Abstract: Methods, systems and devices associated with a modern bulb with a vintage look are disclosed. In one aspect, a light bulb includes a light-emitting board that comprises multiple light-emitting elements. The light bulb also includes a control assembly that includes at least a control chip connected to the light-emitting board. The control chip is configured to control operation of the multiple light-emitting elements. A metal wire is arranged about a vertical axis of the light-emitting board to provide the vintage look of an "Edison-style" bulb. The light bulb also includes a mounting base to which the control assembly and the metal wire are connected. The mounting base comprises a first type of bulb connector to enable the light bulb to be removably connected to a first power supply.

公开(公告)号：WO2021239097A1

公开(公告)日：2021-12-02

申请号：PCT/CN2021/096689

申请日：2021-05-28

Applicant: 苏州欧普照明有限公司 ,  欧普照明股份有限公司

Inventor： 谯胜杰 ,  倪国龙

IPC: F21K9/232 ,  F21V5/04

Abstract: 一种配光元件（300）及灯具，配光元件（300）适用于为光源进行配光，其包括至少两个沿其高度方向排布的第一配光模组（310），第一配光模组（310）沿周向环绕于光源，第一配光模组（310）包括相互背离的入光面（331）和出光面（332），入光面（331）与光源相对设置，第一配光模组（310）自入光面（331）至出光面（332）均为发散光线构型；相邻两个第一配光模组（310）之间具有凹陷区（340）。能够解决目前的灯具存在暗区的问题。

公开(公告)号：WO2021160078A1

公开(公告)日：2021-08-19

申请号：PCT/CN2021/075911

申请日：2021-02-08

Applicant: 葛铁汉

Inventor： 葛铁汉 GE, Tiehan

IPC: F21K9/232 ,  F21K9/237 ,  F21V29/83 ,  F21V29/503 ,  F21V3/00 ,  F21Y115/10

Abstract: 一种全方位出光灯罩及具有该灯罩的灯泡，包括透光灯罩，所述透光灯罩内具有封闭空间，所述透光灯罩内设有至少一贯穿的散热通道，所述散热通道的两端分别与外界连通，至少一条LED灯丝设于所述封闭空间内，设于所述至少部分散热通道位于所述封闭空间内的表面上。该透光灯罩以及具有该灯罩的灯泡，既能实现360度全方位的照明，发光角度大、发光效率高，而且散热性能好，提高了LED灯的使用寿命，而且该LED灯的透光罩，可以根据需要组合成各种不同长度、不同形状的灯罩，不但加工方便，更加拓展了该LED灯的适用范围。

公开(公告)号：WO2021083765A1

公开(公告)日：2021-05-06

申请号：PCT/EP2020/079635

申请日：2020-10-21

Applicant: SIGNIFY HOLDING B.V.

Inventor： VAN BOMMEL, Ties ,  HIKMET, Rifat, Ata, Mustafa

IPC: F21K9/232 ,  F21K9/23

Abstract: A light emitting diode, LED, filament arrangement (100), comprising at least one LED filament (110) comprising an array of a plurality of light emitting diodes, LEDs. The at least one LED filament (110) is of an elongated shape, and is at least partially extending along an axis, A. The at least one LED filament comprises at least one branch (120,121) extending from the elongated LED filament (110) and is arranged at an angle, α, to the axis A.

公开(公告)号：WO2021073930A1

公开(公告)日：2021-04-22

申请号：PCT/EP2020/077909

申请日：2020-10-06

Applicant: SIGNIFY HOLDING B.V.

Inventor： VAN BOMMEL, Ties ,  HIKMET, Rifat, Ata, Mustafa ,  PET, Robert, Jacob

IPC: F21K9/232 ,  F21S10/04

Abstract: A light emitting diode, LED, filament lamp (100), comprising at least one LED filament (120, 120a, 120b) having a base portion (210) and a top portion (22) extending over a length, L, along a longitudinal axis, A, wherein the LED filament comprises an array of a plurality of light emitting diodes, LEDs, (140) extending along the longitudinal axis A. An encapsulant (145) at least partially enclosing the plurality of LEDs, wherein the encapsulant comprises a luminescent material (150). The linear array of LEDs (140) comprising a plurality N of blue LEDs (106) emitting blue light and a plurality of M red LEDs (107) emitting red light, the linear array of LEDs (140) comprising a density of blue LEDs and a density of red LEDs, The density of blue LEDs decreases and/or the density of red LEDs increases from the base portion (210) to the top portion (220) along at least a portion of the length (L), whereby the color temperature, CTL, of the light emitted from the at least one LED filament decreases from the base portion (210) to the top portion (220) over at least a portion of the length of the at least one LED filament.