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公开(公告)号：US20240282892A1
公开(公告)日：2024-08-22
申请号：US18570868
申请日：2021-06-18
Applicant: LG ELECTRONICS INC.
Inventor： Younggil YOO , Gunyoung HONG , Minsung KIM , Kyungpil KIM , Bokyung KANG , Seungmi BAEK
CPC classification number: H01L33/507 , H01L25/167
Abstract: The display device includes a light source that generates first light, a conversion layer that outputs a plurality of lights using the first light, and a color filter layer.
The conversion layer includes first to third conversion layers, and the color filter layer includes first to third color filters. The first conversion layer and the second conversion layer may include the same material.
The first conversion layer and the first color filter may convert the first dominant wavelength of the first light to output second light having a second frequency. The second dominant wavelength of the second light may be located at the first color vertex of the color reproduction rate standard.-
公开(公告)号：US20230280583A1
公开(公告)日：2023-09-07
申请号：US18012875
申请日：2020-06-30
Applicant: LG ELECTRONICS INC.
Inventor： Minsung KIM , Gunyoung HONG , Bokyung KANG , Seungmi BAEK
CPC classification number: G02B26/008 , G03B21/16 , G03B21/204 , G03B21/2066
Abstract: A phosphor wheel comprising: a substrate having a recess, a phosphor layer disposed in the recess, and a first reflection layer surrounding the substrate. Thus, heat emission efficiency is increased, and it is possible to prevent defects such as cracking or discolouration of the phosphor layer.
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3.发明申请YELLOW LIGHT EMITTING PHOSPHOR AND LIGHT EMITTING DEVICE PACKAGE USING THE SAME 有权黄光发射磷光体和发光装置包装使用它公开(公告)号：US20150344774A1
公开(公告)日：2015-12-03
申请号：US14705620
申请日：2015-05-06
Applicant: LG ELECTRONICS INC.
Inventor： Younggil YOO , Dongwon KANG , Gunyoung HONG , Minsung KIM
CPC classification number: C09K11/7774 , C09K11/646 , C09K11/7734 , H01L33/504 , H01L2224/48091 , H01L2224/48247 , H01L2224/48257 , H01L2224/48465 , H01L2224/49107 , H01L2924/181 , H01L2924/00014 , H01L2924/00012 , H01L2924/00
Abstract: Disclosed are phosphors and, more particularly, yellow light emitting phosphors and light emitting device packages using the same. The yellow light emitting phosphor includes a first phosphor including at least one of Lu3Al5O12:Ce, SrSi2O2N2, and β-type SiAlON and a second phosphor mixed with the first phosphor to form a mixture, the second phosphor including α-type SiAlON(Li-α-SiAlON) containing Li as a metal component, wherein the second phosphor emits light having a central wavelength in a range of 550 nm to 590 nm by being excited by near ultraviolet (UV) or blue light, The mixture of the first phosphor and the second phosphor is excited by the near UV or blue light to emit yellow light.
Abstract translation: 公开了荧光体，更具体地，涉及使用其的黄色发光荧光体和发光器件封装。 黄色发光荧光体包括：第一荧光体，包括Lu3Al5O12：Ce，SrSi2O2N2和＆bgr型-SiAlON中的至少一种，和与第一荧光体混合形成混合物的第二荧光体，第二荧光体包括α型SiAlON（Li -α-SiAlON），其中所述第二荧光体通过被近紫外（UV）或蓝光激发而发射具有550nm至590nm范围内的中心波长的光。所述第一荧光体 并且第二荧光体被近紫外或蓝光激发以发射黄光。
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公开(公告)号：US20240184190A1
公开(公告)日：2024-06-06
申请号：US18574614
申请日：2021-07-12
Applicant: LG ELECTRONICS INC.
Inventor： Bokyung KANG , Gunyoung HONG , Younggil YOO , Minsung KIM , Kyungpil KIM , Seungmi BAEK
CPC classification number: G03B21/204 , C09K11/7774
Abstract: An image projection apparatus is disclosed. The image projection apparatus according to an embodiment of the present disclosure includes: a light source configured to output blue light; and a phosphor wheel configured to output a plurality of colors of light based on the blue light incident upon rotation, wherein the phosphor wheel includes: a substrate; a yellow phosphor disposed in a first region on the substrate for output of yellow light; and a green phosphor disposed in a second region on the substrate for output of green light, wherein the green phosphor includes (Lu1−xYx)3Al5O12, with 0
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5.发明申请公开(公告)号：US20160186055A1
公开(公告)日：2016-06-30
申请号：US14781662
申请日：2014-08-28
Applicant: LG ELECTRONICS INC.
Inventor： Younggil YOO , Gunyoung HONG , Soongil KIM , Kyungpil KIM
CPC classification number: C09K11/7734 , C09K11/643 , H01L33/502
Abstract: Disclosed are a phosphor, in particular, a green light emitting phosphor, a method for producing the same and a light emitting device package including the same. Provided is a green light emitting phosphor emitting light having a main absorption band in a blue wavelength range and a main peak in a green wavelength range, the green light emitting phosphor represented by the following Formula 1. SrAl2(O1-3xN2x)4 [Formula 1]
Abstract translation: 公开了一种荧光体，特别是绿色发光荧光体，其制造方法和包含该荧光体的发光器件封装。 本发明提供一种绿色发光荧光体，其发出蓝色波长范围内的主吸收带，绿色波长范围内的主峰，由下式1表示的绿色发光荧光体。SrAl2（O1-3xN2x）4 [式 1]
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Patent Agency Ranking
6.发明申请公开(公告)号：US20160040065A1
公开(公告)日：2016-02-11
申请号：US14780261
申请日：2014-08-28
Applicant: LG ELECTRONICS INC.
Inventor： Younggil YOO , Gunyoung HONG , Kyungpil KIM
CPC classification number: C09K11/7787 , H01L33/502
Abstract: Disclosed are a phosphor, in particular, a red light emitting phosphor, a method for producing the same and a light emitting device package including the same. Provided is a red light emitting phosphor emitting light having a main absorption band in a blue wavelength range and a main peak in a red wavelength range, the red light emitting phosphor being represented by the following Formula 1. (Sr1−xEux)Lu2O4 [Formula 1]
Abstract translation: 公开了一种荧光体，特别是红色发光荧光体，其制造方法和包含该荧光体的发光器件封装。 本发明提供一种红色发光荧光体，其发射具有蓝色波长范围内的主吸收带，红色波长范围内的主峰，红色发光荧光体由下式1表示。（Sr1-xEux）Lu2O4 [式 1]
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公开(公告)号：US20250022990A1
公开(公告)日：2025-01-16
申请号：US18715672
申请日：2022-01-10
Applicant: LG ELECTRONICS INC.
Inventor： Seungmi BAEK , Gunyoung HONG , Younggil YOO , Minsung KIM , Kyungpil KIM , Bokyung KANG
IPC: H01L33/50 , H01L25/075
Abstract: The present invention is applicable to display device-related technical fields and relates to, for example, a display device using a micro light-emitting diode (LED). The present invention may comprise: a substrate; partition walls which are arranged on the substrate to define a plurality of hexagonal unit pixel areas forming a honeycomb shape; semiconductor light-emitting elements each of which is disposed in each of the unit pixel areas to form each unit pixel; color conversion layers which convert light emitted from the semiconductor light-emitting elements into colors corresponding to the respective unit pixel areas; a porous layer which is disposed on the partition walls and in which a plurality of through-holes are formed; and color filter layers which are disposed on the porous layer.
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公开(公告)号：US20230066523A1
公开(公告)日：2023-03-02
申请号：US17796466
申请日：2020-01-31
Applicant: LG ELECTRONICS INC.
Inventor： Bokyung KANG , Gunyoung HONG , Younggil YOO , Minsung KIM , Kyungpil KIM , Seungmi BAEK
Abstract: A color wheel according to an embodiment of the present invention comprises: a basic fluorescent body having a basic light-emitting wavelength; and at least one modified fluorescent body having at least one light-emitting wavelength different from the basic light-emitting wavelength, wherein the basic fluorescent body comprises Y3Al5O12 and the modified fluorescent body comprises Y3(GaxAl(1-x))5O12:Ce in which gallium is doped on the basic fluorescent body
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公开(公告)号：US20250052998A1
公开(公告)日：2025-02-13
申请号：US18722265
申请日：2021-12-21
Applicant: LG ELECTRONICS INC.
Inventor： Gunyoung HONG , Younggil YOO , Minsung KIM , Kyungpil KIM , Bokyung KANG , Seungmi BAEK
Abstract: An image projection device and an image projection device comprising the same are disclosed. A phosphor wheel according to an embodiment of the present disclosure comprises a substrate, a reflective light-emission layer disposed on the substrate, and a phosphor layer disposed on the reflective light-emission layer, wherein the reflective light-emission layer includes resin and a phosphor having a higher heat conductivity than that of the resin. Accordingly, high-efficiency light output and color purity improvement are possible.
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公开(公告)号：US20230043329A1
公开(公告)日：2023-02-09
申请号：US17792824
申请日：2020-01-14
Applicant: LG ELECTRONICS INC.
Inventor： Bokyung KANG , Gunyoung HONG , Younggil YOO , Minsung KIM , Kyungpil KIM
Abstract: Alighting apparatus can include a light emitting element that can irradiate light, and an optical conversion layer disposed on the light emitting element for converting the irradiated light. The optical conversion layer can include crystal grains of a first phosphor and crystal grains of a second phosphor, and the crystal grains of the first phosphor and the crystal grains of the second phosphor can be in mixed form in the optical conversion layer.
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