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公开(公告)号:US11162672B2
公开(公告)日:2021-11-02
申请号:US16811343
申请日:2020-03-06
Applicant: LEDVANCE GmbH
Inventor: Jinhui Luo , Zhian Li , Jianxiong Deng
Abstract: A lighting device with changeable beam angle and fixed center beam candle power. The device may include a light source, an electronic driver for driving the light source to emit light, a beam shaping element for shaping a beam of light emitted by the light source, a beam angle adjustment mechanism configured to change a positional relationship between the light source and the beam shaping element, and a sensor configured to provide a signal indicative of a setting of the beam angle adjustment mechanism. The electronic driver is configured to adjust the luminous flux emitted by the light source depending on the signal provided by the sensor. Such a lighting device may keep the center beam candle power of the emitted light constant when the beam angle is changed.
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公开(公告)号:US20200284417A1
公开(公告)日:2020-09-10
申请号:US16811343
申请日:2020-03-06
Applicant: LEDVANCE GmbH
Inventor: Jinhui LUO , Zhian Li , Jianxiong DENG
Abstract: A lighting device with changeable beam angle and fixed center beam candle power. The device may include a light source, an electronic driver for driving the light source to emit light, a beam shaping element for shaping a beam of light emitted by the light source, a beam angle adjustment mechanism configured to change a positional relationship between the light source and the beam shaping element, and a sensor configured to provide a signal indicative of a setting of the beam angle adjustment mechanism. The electronic driver is configured to adjust the luminous flux emitted by the light source depending on the signal provided by the sensor. Such a lighting device may keep the center beam candle power of the emitted light constant when the beam angle is changed.
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公开(公告)号:US10677443B2
公开(公告)日:2020-06-09
申请号:US16036047
申请日:2018-07-16
Applicant: LEDVANCE GMBH
Inventor: Rencheng Li , Tingbiao Lan , Ran Lin , Zhian Li
IPC: F21V29/71 , F21V17/00 , F21V17/12 , F21V23/00 , F21V29/507 , F21V29/89 , F21K9/238 , F21Y105/10 , F21K9/233 , F21Y115/10
Abstract: Various embodiments may relate to an illuminating device including a light engine, a housing and a driver contained in the housing, wherein the illuminating device further includes a heat dissipation device disposed in the housing which includes a substrate for supporting the light engine and an insert ring in thermal-conductive contact with the substrate.
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公开(公告)号:US12117144B2
公开(公告)日:2024-10-15
申请号:US18369362
申请日:2023-09-18
Applicant: LEDVANCE GmbH
Inventor: Zhian Li , Armin Konrad , Shijun Nie , Tianci Zeng
IPC: F21V23/00 , F21V17/06 , F21V19/00 , F21V19/04 , F21Y115/10
CPC classification number: F21V17/06 , F21V19/008 , F21V19/04 , F21V23/005 , F21Y2115/10
Abstract: Provided is a lamp assembly including a lamp main body. The lamp assembly includes at least one light engine, and at least one first connector for electrically connecting the at least one light engine to a power supply and mechanically fixing the last light engine to the lamp main body. The at least one first connector is configured to separably mount the at least one light engine to the lamp main body. In addition, a method for assembling a lamp is also provided.
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公开(公告)号:US12123578B2
公开(公告)日:2024-10-22
申请号:US18369239
申请日:2023-09-18
Applicant: LEDVANCE GmbH
Inventor: Zhian Li , Armin Konrad , Shijun Nie , Tianci Zeng
IPC: F21V21/24 , F21S2/00 , F21S4/28 , F21Y103/10 , F21Y115/10
CPC classification number: F21V21/24 , F21S2/005 , F21S4/28 , F21Y2103/10 , F21Y2115/10
Abstract: Provided is a light engine of a lamp. The light engine includes a number of light engine modules, and a support frame for movably mounting the light engine modules, where each light engine module comprises one or more light sources. The support frame includes a number of movable components, the movable components of the support frame are mechanically engaged to the light engine modules, such that mechanical motion of the movable components of the support frame relative to each other can cause the motion of the light engine modules relative to each other. In addition, a lamp with a light engine is provided.
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公开(公告)号:US20180320877A1
公开(公告)日:2018-11-08
申请号:US16036047
申请日:2018-07-16
Applicant: LEDVANCE GMBH
Inventor: Rencheng Li , Tingbiao Lan , Ran Lin , Zhian Li
IPC: F21V29/71 , F21K9/238 , F21V29/89 , F21V29/507 , F21V17/00
Abstract: Various embodiments may relate to an illuminating device including a light engine, a housing and a driver contained in the housing, wherein the illuminating device further includes a heat dissipation device disposed in the housing which includes a substrate for supporting the light engine and an insert ring in thermal-conductive contact with the substrate.
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