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公开(公告)号：US20240373685A1
公开(公告)日：2024-11-07
申请号：US18776597
申请日：2024-07-18
Applicant: LG Display Co., Ltd.
Inventor： Moonsun Choi , Junghun Choi , SungJin Park , Seonha Yu , SeungHyun Lee , Hyeonseo Kim
IPC: H10K59/126 , H10K59/122 , H10K59/35
Abstract: A display device is disclosed that includes a display panel comprising a display area and a non-display area, wherein the display area comprises a first area and a second area surrounded by the first area, and the second area comprises one or more of light emitting areas in which one or more of pixels are disposed and one or more of transmissive areas; a pixel defining layer positioned between the plurality of pixels; and a metal layer positioned in the plurality of light emitting areas, wherein an end of the metal layer is aligned with a boundary between the light emitting area and the transmissive area, and an end of the pixel defining layer overlaps the light emitting area without extending to the boundary.
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公开(公告)号：US20230200152A1
公开(公告)日：2023-06-22
申请号：US17974373
申请日：2022-10-26
Applicant: LG Display Co., Ltd.
Inventor： Moonsun Choi , Junghun Choi , SungJin Park , Seonha Yu , SeungHyun Lee , Hyeonseo Kim
IPC: H01L27/32
CPC classification number: H01L27/3272 , H01L27/3213 , H01L27/3246
Abstract: A display device is disclosed that includes a display panel comprising a display area and a non-display area, wherein the display area comprises a first area and a second area surrounded by the first area, and the second area comprises one or more of light emitting areas in which one or more of pixels are disposed and one or more of transmissive areas; a pixel defining layer positioned between the plurality of pixels; and a metal layer positioned in the plurality of light emitting areas, wherein an end of the metal layer is aligned with a boundary between the light emitting area and the transmissive area, and an end of the pixel defining layer overlaps the light emitting area without extending to the boundary.
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公开(公告)号：US11621252B2
公开(公告)日：2023-04-04
申请号：US16591526
申请日：2019-10-02
Applicant: LG Display Co., Ltd.
Inventor： MinJae Kang , YongSeok Kwak , KyuOh Kwon , Junghun Choi
IPC: H01L25/075 , H01L25/065 , H01L25/16
Abstract: Provided is a display device. The display device includes a first substrate and a second substrate which are formed of different materials; a first LED disposed on the first substrate; and a second LED and a third LED disposed on the second substrate, in which the first LED, the second LED, and the third LED are disposed between the first substrate and the second substrate. Therefore, in consideration of the growth efficiency of the LEDs which emit different colored light, the first LED is disposed on the first substrate and the second LED and the third LED are disposed on the second substrate which is formed of a different material from the first substrate, thereby improving the growth efficiency of the plurality of LEDs.
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公开(公告)号：US11183618B2
公开(公告)日：2021-11-23
申请号：US16725229
申请日：2019-12-23
Applicant: LG Display Co., Ltd.
Inventor： Junghun Choi , SeungJun Lee , MinJoo Kim , KyuOh Kwon
IPC: H01L33/50 , H01L25/075 , H01L33/60
Abstract: A light emission element includes a first semiconductor layer, a light emission layer, and a second semiconductor layer. The first semiconductor layer in the light emission portion is provided with a concave portion having a concave shape. The light emission layer and the second semiconductor layer disposed on the first semiconductor layer are also disposed along the concave shape of the concave portion. The light emitting layer disposed along the shape of the concave portion emits light by electrons and holes injected from the first semiconductor layer and the second semiconductor layer. Further, the light path of the light emitted according to the concave shape is adjusted. Therefore, a light emission element having improved light efficiency and a display device using the same can be provided.
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Patent Agency Ranking
公开(公告)号：US20200161282A1
公开(公告)日：2020-05-21
申请号：US16591526
申请日：2019-10-02
Applicant: LG Display Co., Ltd.
Inventor： MinJae Kang , YongSeok Kwak , KyuOh Kwon , Junghun Choi
IPC: H01L25/075 , H01L25/16 , H01L25/065
Abstract: Provided is a display device. The display device includes a first substrate and a second substrate which are formed of different materials; a first LED disposed on the first substrate; and a second LED and a third LED disposed on the second substrate, in which the first LED, the second LED, and the third LED are disposed between the first substrate and the second substrate. Therefore, in consideration of the growth efficiency of the LEDs which emit different colored light, the first LED is disposed on the first substrate and the second LED and the third LED are disposed on the second substrate which is formed of a different material from the first substrate, thereby improving the growth efficiency of the plurality of LEDs.
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公开(公告)号：US10454004B2
公开(公告)日：2019-10-22
申请号：US15847276
申请日：2017-12-19
Applicant: LG Display Co., Ltd.
Inventor： KyuOh Kwon , Junghun Choi
IPC: F21V7/04 , H01L33/54 , F21V8/00 , G02F1/1335 , H01L33/20 , H01L33/50 , H01L33/64 , H01L25/075
Abstract: A light source module having high efficiency and high heat dissipation characteristics and a backlight unit and a liquid crystal display device including the same are disclosed. The light source module comprises light sources packaged in a printed circuit board, and an encapsulation film surrounding the light sources, wherein the light sources have a triangular prism shape.
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公开(公告)号：US10551656B2
公开(公告)日：2020-02-04
申请号：US15837521
申请日：2017-12-11
Applicant: LG DISPLAY CO., LTD.
Inventor： MinJoo Kim , IkHyun Kang , Junghun Choi
IPC: G06T11/60 , G02F1/1333 , G02F1/1335 , G09G3/34 , G09G3/36
Abstract: Discussed are a display device and a multiscreen display device including the same, which conceal a bezel. The display device in one embodiment includes first to fourth edge display modules displaying an image on a bezel area overlapping each of first to fourth non-display areas of an image display module. The first to fourth edge display modules each include a flexible printed circuit board including a first cover part covering a corresponding non-display area, a second cover part bent from the first cover part and disposed on a side surface of the image display module, and a third cover part extending from the second cover part, a dot light source array including a plurality of dot light source devices provided in the first cover part, and a light source driving circuit unit provided in the third cover part and driving the dot light source devices to display an image on the bezel area.
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公开(公告)号：US20230157117A1
公开(公告)日：2023-05-18
申请号：US17963745
申请日：2022-10-11
Applicant: LG DISPLAY CO., LTD.
Inventor： SungJin Park , SangBin Lee , Mihee Shin , SeungHyun Lee , Junghun Choi
CPC classification number: H01L27/3218 , H01L27/3234 , H01L27/3216 , H01L51/5284
Abstract: A display device a display panel including a plurality of light emitting areas; a first optical electronic device located under the display panel; and a second optical electronic device located under the display panel. Further, a first optical area of the display panel overlapping the first optical electronic device includes a plurality of first light transmission areas in addition to the plurality of light emitting areas, a second optical area of the display panel overlapping the second optical electronic device includes a plurality of second light transmission areas in addition the plurality of light emitting areas, a third optical area of the display panel not overlapping the first and second optical electronic devices includes the plurality of light emitting areas without including the first and second light transmission areas, and the first light transmission areas have a different shape or size than the second light transmission areas so a light transmittance of incident light through the first light transmission areas is different than a light transmittance of incident light through the second light transmission areas.
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公开(公告)号：US11233185B2
公开(公告)日：2022-01-25
申请号：US16600330
申请日：2019-10-11
Applicant: LG Display Co., Ltd.
Inventor： KyuOh Kwon , JaeMin Sim , SeungJun Lee , Junghun Choi
Abstract: A display device comprises a substrate having a plurality of sub-pixels; a plurality of LEDs respectively disposed in the plurality of sub-pixels, wherein each of the LEDs comprises an emissive layer, a first semiconductor layer between the substrate and the emissive layer and a second semiconductor layer on the emissive layer; a plurality of driving units disposed under the substrate in each of the sub-pixels; and a plurality of connection units penetrating the substrate and electrically connecting at least one of the first semiconductor layer and the second semiconductor layer with the plurality of driving units.
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