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公开(公告)号：US20170321863A1
公开(公告)日：2017-11-09
申请号：US15329471
申请日：2015-05-04
Applicant: LG INNOTEK CO., LTD.
Inventor： Ki Soo KWON , Do Yub KIM , Min Hak KIM , Jae Hun YOON , Seung Beom JEONG
CPC classification number: F21S43/14 , F21S41/64 , F21S43/239 , G08G1/095 , G09G3/2003 , H01L25/0753 , H01L33/48 , H05B33/08 , H05B33/083
Abstract: A light emitting module of an embodiment comprises: (1-1)th to (1-M)th (where M is a positive integer equal to or greater than 2) light emitting elements connected with each other; (2-1)th to (2-N)th (where N is a positive integer equal to or greater than 1) light emitting elements connected in parallel with a (1-m)th (1≦m≦M) light emitting elements which is one of the (1-1)th to (1-M)th light emitting elements; and an on/off controller controlling to turn the (1-1)th to (1-M)th light emitting elements and (2-1)th to (2-N)th light emitting elements on or off according to a level of an operation signal. The on/off controller comprises a first on/off control unit controlling to turn the (1-m)th light emitting element and (2-1)th to (2-N)th light emitting elements on or off, and a second on/off control unit controlling to turn the remaining light emitting elements on or off, excluding the (1-m)th light emitting element from the (1-1)th to (1-M)th light emitting elements, wherein the first on/off control unit compensates for a change in a second current flowing in the (2-1)th to (2-N)th light emitting elements, depending on the temperature, in conjunction with a first current flowing in the (1-m)th light emitting element.
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公开(公告)号：US20230358384A1
公开(公告)日：2023-11-09
申请号：US18021947
申请日：2021-08-24
Applicant: LG INNOTEK CO., LTD.
Inventor： Se Yeon CHOI , Do Yub KIM , Tae Kyung NA
IPC: F21S41/32 , F21S41/153 , F21S41/143 , F21S41/20
CPC classification number: F21S41/32 , F21S41/153 , F21S41/143 , F21S41/285
Abstract: A lighting device disclosed in an embodiment of this invention includes a reflective layer, a resin layer disposed on the reflective layer, a substrate disposed on the resin layer and including an electrode layer, a plurality of light emitting devices disposed between the resin layer and the substrate, and a light blocking layer disposed on the substrate, the electrode layer may include a first pattern region disposed adjacent to the light emitting device and a second pattern region disposed outside the first pattern region and having a pattern different in size from the first pattern region, and the light blocking pattern region may overlap in a vertical direction with the first pattern region.
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公开(公告)号：US20190101277A1
公开(公告)日：2019-04-04
申请号：US16082494
申请日：2017-03-10
Applicant: LG INNOTEK CO., LTD.
Inventor： Min Ji KIM , Do Yub KIM , Min Hak KIM , Yeong Seok YU
IPC: F21V29/70 , F21V29/505 , F21V29/507 , F21V19/00
Abstract: An embodiment comprises: a board; a light-emitting module including at least one light-emitting element arranged in a first region of the board and a driving element, arranged in a second region of the board, for driving the at least one light-emitting element; a heat-dissipating member disposed below the lower surface of the board; and a heat-dissipating pad disposed between the board and the heat-dissipating member, wherein the heat-dissipating pad comprises: a heat-dissipating plate disposed on the upper surface of the heat-dissipating member; and a protruding part protruding from the upper surface of the heat-dissipating plate and supporting the lower surface of the first region of the board, and the lower surface of the board is spaced apart from the heat-dissipating plate.
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公开(公告)号：US20230420609A1
公开(公告)日：2023-12-28
申请号：US18036724
申请日：2021-11-26
Applicant: LG INNOTEK CO., LTD.
Inventor： Yeong Seok YU , Young Kuk KWAK , Do Yub KIM
CPC classification number: H01L33/08 , H01L33/10 , H01L33/44 , H01L33/58 , H01L27/15 , H01L2933/0033
Abstract: A lighting device disclosed in an embodiment of the invention includes a reflective layer, a first resin layer on the reflective layer, a substrate on the first resin layer, a light emitting device between the first resin layer and the substrate, and a second resin layer on the substrate, a half mirror layer on the second resin layer and an optical member between the second resin layer and the half mirror layer, and the light emitted through the light emitting surface of the light emitting device is reflected by the reflective layer and passes through the substrate. The light in the visible light wavelength band includes a first wavelength band and a second wavelength band having different wavelength bands, and the half mirror layer has a reflectance of the light in the first wavelength band of the first wavelength band higher than a transmittance of light in the first wavelength band, and the optical member has a transmittance of light in the first wavelength band higher than a transmittance of light in the second wavelength band.
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公开(公告)号：US20180249549A1
公开(公告)日：2018-08-30
申请号：US15547952
申请日：2016-02-01
Applicant: LG INNOTEK CO., LTD.
Inventor： Do Yub KIM , Eon Ho SON , Mi Na SHIN , Young Joo AHN , Kwang Jae LEE
CPC classification number: H05B33/0866 , F21K9/00 , F21S10/02 , F21V13/02 , F21V29/80 , F21Y2113/13 , F21Y2115/10 , H05B33/0821 , H05B37/02
Abstract: A lighting apparatus disclosed in an embodiment comprises: a circuit board; a light-emitting module arranged on the circuit board and comprising a light source part having first to third light source parts emitting red, green and blue light; a control unit for providing current control signals to the first to third light source parts; a driver for controlling the current in the first to third light source parts by means of the control unit; and a memory unit having compensation data storing input current strength values for the first to third light source parts so that same emit white light having a previously configured correlated color temperature (CCT). The first, second and third light source parts comprise a plurality of first, second and third light-emitting elements for emitting red, green and blue light. The control unit controls the current in the first to third light source parts by means of the input current strength value corresponding to the compensation data so as to control the white light discharged from the light-emitting module is emitted as white light meeting the CCT criterion.
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Patent Agency Ranking
公开(公告)号：US20170332453A1
公开(公告)日：2017-11-16
申请号：US15535537
申请日：2015-11-05
Applicant: LG INNOTEK CO., LTD.
Inventor： Jae Hun YOON , Do Yub KIM , Min Hak KIM , Seung Beom JEONG
IPC: H05B33/08
CPC classification number: H05B33/0851 , H05B33/0809 , H05B33/0887 , H05B37/02
Abstract: An embodiment comprises: a voltage generation unit for providing a direct current signal for driving a light emitting unit; a sensing resistor; and a dimming unit which is connected between the light emitting unit and the sensing resistor and controls a current flowing in the sensing resistor and the light emitting unit, wherein the dimming unit adjusts the level of the direct current signal on the basis of a first sensing voltage as a result of sensing the voltage of a first node where a switch is connected to the light emitting unit, and a second sensing voltage as a result of sensing the voltage of a second node where the switch is connected to the sensing resistor.
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公开(公告)号：US20240111199A1
公开(公告)日：2024-04-04
申请号：US18539538
申请日：2023-12-14
Applicant: LG INNOTEK CO., LTD.
Inventor： Yeong Seok YU , Do Yub KIM , Se Yeon CHOI
IPC: G02F1/137 , G02F1/1335 , G02F1/135
CPC classification number: G02F1/13718 , G02F1/133507 , G02F1/1357
Abstract: The lighting device disclosed in the embodiment includes a substrate, a light emitting device disposed on a lower surface of the substrate, a reflective layer disposed to face a light emitting surface of the light emitting device, a first resin layer disposed between the substrate and the reflective layer, and a light-transmission control layer disposed on an upper surface of the substrate, wherein the light-transmission control layer may include a liquid crystal layer including a cholesteric liquid crystal, and light emitted through the light emitting surface of the light emitting device may be reflected by the reflective layer and be provided to the light-transmission control layer through the substrate.
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公开(公告)号：US20230273492A1
公开(公告)日：2023-08-31
申请号：US18019327
申请日：2021-08-10
Applicant: LG INNOTEK CO., LTD.
Inventor： Yeong Seok YU , Do Yub KIM , Se Yeon CHOI
IPC: G02F1/137 , G02F1/1335 , G02F1/135
CPC classification number: G02F1/13718 , G02F1/133507 , G02F1/1357
Abstract: The lighting device disclosed in the embodiment includes a substrate, a light emitting device disposed on a lower surface of the substrate, a reflective layer disposed to face a light emitting surface of the light emitting device, a first resin layer disposed between the substrate and the reflective layer, and a light-transmission control layer disposed on an upper surface of the substrate, wherein the light-transmission control layer may include a liquid crystal layer including a cholesteric liquid crystal, and light emitted through the light emitting surface of the light emitting device may be reflected by the reflective layer and be provided to the light-transmission control layer through the substrate.
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公开(公告)号：US20170110640A1
公开(公告)日：2017-04-20
申请号：US15297944
申请日：2016-10-19
Applicant: LG INNOTEK CO., LTD.
Inventor： Min Hak KIM , Do Yub KIM , Myung Jin SONG
IPC: H01L33/64 , H01L33/60 , H01L33/62 , F21S8/06 , F21V29/77 , F21V15/01 , F21V23/00 , F21V21/08 , H01L33/48 , F21V29/503
CPC classification number: H01L33/644 , F21S8/026 , F21S8/06 , F21V15/01 , F21V21/0832 , F21V23/005 , F21V29/503 , F21V29/773 , F21Y2115/10 , H01L33/483 , H01L33/60 , H01L33/62 , H05K1/0209 , H05K2201/066 , H05K2201/09781 , H05K2201/10106
Abstract: Embodiments provide an illumination apparatus including a light emitting module including a board, at least one light emitting device disposed in a first region of the board and drive devices disposed in a second region of the board, a heat dissipation member, and dummy pads disposed around the at least one light emitting device, the heat dissipation member including a base, a core, and heat dissipation fins connected to the side surface of the core and the lower surface of the base. The first region is one region of the upper surface of the board, located within a designated range from the center of the board, and the second region is another region of the upper surface of the board, spaced apart from the first region by a first distance and spaced apart from the edge of the upper surface of the board by a second distance.
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公开(公告)号：US20240361659A1
公开(公告)日：2024-10-31
申请号：US18768203
申请日：2024-07-10
Applicant: LG INNOTEK CO.,LTD.
Inventor： Yeong Seok YU , Do Yub KIM , Se Yeon CHOI
IPC: G02F1/137 , G02F1/1335 , G02F1/135
CPC classification number: G02F1/13718 , G02F1/133507 , G02F1/1357
Abstract: The lighting device disclosed in the embodiment includes a substrate, a light emitting device disposed on a lower surface of the substrate, a reflective layer disposed to face a light emitting surface of the light emitting device, a first resin layer disposed between the substrate and the reflective layer, and a light-transmission control layer disposed on an upper surface of the substrate, wherein the light-transmission control layer may include a liquid crystal layer including a cholesteric liquid crystal, and light emitted through the light emitting surface of the light emitting device may be reflected by the reflective layer and be provided to the light-transmission control layer through the substrate.
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