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公开(公告)号：WO2021058309A1
公开(公告)日：2021-04-01
申请号：PCT/EP2020/075623
申请日：2020-09-14
Applicant: SIGNIFY HOLDING B.V.
Inventor： VISSENBERG, Michel, Cornelis, Josephus, Marie , SEKULOVSKI, Dragan , PERZ, Malgorzata , WEGH, René, Theodorus , ONUSHKIN, Grigory, Alexandrovich
IPC: F21S8/04 , F21V9/30 , F21V11/06 , F21V11/14 , F21Y105/16 , F21Y115/10
Abstract: The invention provides a light generating device (1000) comprising (i) a plurality of N light sources (100) and (ii) shielding elements (200), wherein: - the light sources (100) have light emitting surfaces (105) having dimensions (d) of at maximum 3 mm, wherein the light sources (100) comprise solid state light sources (110), wherein the light sources (100) are configured to generate light source light (101), 5 wherein the light sources (100) are configured to generate the light source light (101) in a first operational mode of the light generating device (1000) with an average a luminous flux selected from the range of 0.01-6 lm, and wherein the light emitting surfaces (105) have a pitch (p) selected from the range of 0.5-24 mm, wherein p>d; - the shielding elements (200) define cavities (210) for the light sources (100), 10 and wherein the shielding elements (200) are configured to prevent a direct view of the light emitting surfaces (105) under first angles (α) with normals (106) to the light emitting surfaces (105), wherein first angles (α) are selected from the range of 65-90°.
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Patent Agency Ranking
公开(公告)号：WO2022090035A1
公开(公告)日：2022-05-05
申请号：PCT/EP2021/079125
申请日：2021-10-20
Applicant: SIGNIFY HOLDING B.V.
Abstract: The invention provides a system (1000) comprising a printed circuit board (500) and a light source (100), functionally coupled to the printed circuit board (500), wherein the light source (100) is configured to generate light (101), wherein the printed circuit board (500) comprises a stack of layers (509), wherein at least at a first part (501) of the printed circuit board (500) the stack of layers (509) comprises at least part of a first layer element (510), at least part of a second layer element (520), at least part of a third layer element (530), at least part of a fourth layer element (540), and at least part of a fifth layer element (550), wherein: (a) the first layer element (510) comprises a first layer (511), wherein the first layer (511) comprises a metal layer; (b) the second layer element (520) is configured in contact with at least part of the first layer element (510), wherein the second layer element (520) comprises a second layer (521), wherein the second layer (521) is an electrically insulating layer (521); (c) the third layer element (530) is configured in contact with at least part of the second layer element (520), wherein the third layer element (530) is configured without contact with the first layer (511), wherein the third layer element (530) comprises a third layer (531), wherein the third layer (531) is configured to reflect and/or absorb light (101) having a first wavelength; (d) the fourth layer element (540) is configured in contact with at least part of the third layer element (530), wherein the fourth layer element (540) comprises a fourth layer (541), wherein the fourth layer (541) is an electrically insulating layer (521); (e) the fifth layer element (550) is configured in contact with at least part of the fourth layer element (540), wherein the fifth layer element (550) comprises a fifth layer (551), wherein the fifth layer (551) is electrically conductive, wherein the fifth layer (551) is configured without contact with the first layer (511).
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公开(公告)号：WO2022233715A1
公开(公告)日：2022-11-10
申请号：PCT/EP2022/061399
申请日：2022-04-28
Applicant: SIGNIFY HOLDING B.V.
IPC: F21K9/232 , F21K9/68 , F21K9/90 , F21Y103/10 , F21Y105/16 , F21Y113/13
Abstract: The present invention relates to an LED filament (10), comprising: a first LED filament portion (12a) comprising a plurality of first LEDs (14a) adapted to emit first LED filament light; a second LED filament portion (12b) parallel to the first LED filament portion (12a) and comprising a plurality of second LEDs (14b) adapted to emit second LED filament light; and at least one light-blocking wall (26) arranged between the first and second LED filament portions to reduce or prevent optical cross-talk between the first and second LEDs.
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公开(公告)号：WO2021094257A1
公开(公告)日：2021-05-20
申请号：PCT/EP2020/081494
申请日：2020-11-09
Applicant: SIGNIFY HOLDING B.V.
Inventor： VAN DER LUBBE, Marcellus, Jacobus, Johannes , HIKMET, Rifat, Ata, Mustafa , VAN BOMMEL, Ties , ONUSHKIN, Grigory, Alexandrovich
Abstract: There is provided a light emitting diode, LED, filament lamp (100) which provides LED filament lamp light (100'). The LED filament comprises a first linear array of LEDs (101) and a second linear array of LEDs (106), and a carrier (103). The first linear array of LEDs (101) are arranged on a first surface (102) of the carrier (103) and includes only first LEDs (104) which are configured to emit first white light (105). The second linear array of LEDs (106) are arranged on a second surface (107) of the carrier (103), opposite to said first surface (102), and includes only second LEDs (108) which are configured to emit color controllable light (109). The LED filament light (100') comprises the first white light (105) and/or the color controllable light (109).
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公开(公告)号：WO2020234074A1
公开(公告)日：2020-11-26
申请号：PCT/EP2020/063285
申请日：2020-05-13
Applicant: SIGNIFY HOLDING B.V.
Abstract: The invention provides a lighting device (1000) comprising (i) a light source (100) configured to generate light source light (101), wherein the light source (100) comprises a solid state light source, and (ii) a support (200) configured to support the light source (100), wherein the support (200) comprises a metal based thermally conductive material (201), wherein the lighting device (1000) further comprises (iii) a layered element (300), configured in physical contact with the support (200), wherein the layered element (300) comprises one or more layers (310), wherein the layered element (300) at least comprises an electrically insulating first layer (311), wherein at least part of the layered element (300) is configured between the light source (100) and the support (200) such that during operation part of the light source light (101) irradiates the layered element (300), wherein the layered element (300) comprises light reflective particles (410), wherein at least 50 wt.% of the particles have a flake-like shape.
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公开(公告)号：WO2020152088A1
公开(公告)日：2020-07-30
申请号：PCT/EP2020/051255
申请日：2020-01-20
Applicant: SIGNIFY HOLDING B.V.
IPC: H05B45/20
Abstract: The present invention relates to a color tunable filament lamp (10), comprising: at least one tunable white LED filament (12) adapted to emit white light; and at least one RGB LED filament (22), wherein each RGB LED filament of the at least one RGB LED filament comprises a plurality of groups (26), each group comprising a red LED (28a), a green LED (28b) and a blue LED (28c), wherein each tunable white LED filament of the at least one tunable white LED filament comprises first LEDs (16') having a first pre-set correlated color temperature and second LEDs (16") having a second pre-set correlated color temperature lower than the first pre-set correlated color temperature, the first and second pre- set correlated color temperatures defining a sub-range (40') of a correlated color temperature range (40) of the color tunable filament lamp, and wherein the color tunable filament lamp is configured to use the first LEDs and the second LEDs but not the at least one RGB LED filament for target points (38) in said sub-range.
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