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公开(公告)号：US12237458B2
公开(公告)日：2025-02-25
申请号：US17744760
申请日：2022-05-16
Applicant: PlayNitride Display Co., Ltd.
Inventor： Chih-Ling Wu , Yen-Yeh Chen , Yi-Min Su , Yi-Chun Shih
IPC: H01L33/62 , H01L25/075
Abstract: A micro light emitting device display apparatus including a substrate, a plurality of micro light emitting devices, an isolation layer, and at least one first air gap is provided. The substrate has a plurality of connection pads. The micro light emitting devices are discretely disposed on the substrate. The isolation layer is disposed between the substrate and each of the micro light emitting devices. The at least one first air gap is disposed between the substrate and a surface of the isolation layer facing the substrate.
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公开(公告)号：US11296259B2
公开(公告)日：2022-04-05
申请号：US16718982
申请日：2019-12-18
Applicant: PlayNitride Display Co., Ltd.
Inventor： Chih-Ling Wu , Yi-Min Su , Shiang-Ning Yang
IPC: H01L21/67 , H01L25/075 , H01L33/24 , H01L33/36 , H01L33/62 , H01L33/20 , H01L33/58 , H01L33/54 , H01L33/44
Abstract: A micro semiconductor chip, a micro semiconductor structure, and a transfer device are provided. The micro semiconductor chip includes an epitaxial structure, a first-type electrode, a second-type electrode and a top light guide element. The epitaxial structure has a top surface, a bottom surface and a side surface. The top light guide element is disposed on the top surface of the epitaxial structure, wherein the top light guide element has a light extraction surface and a bottom surface, wherein the edge of the light extraction surface completely overlaps the edge of the bottom surface of the top light guide element. The light extraction surface is a curved surface, a combination of at least two curved surfaces, or a combination of at least one curved surface and at least one planar surface.
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公开(公告)号：US20220020903A1
公开(公告)日：2022-01-20
申请号：US17489789
申请日：2021-09-30
Applicant: PlayNitride Display Co., Ltd.
Inventor： Yi-Min Su , Sheng-Chieh Liang , Chih-Ling Wu , Gwo-Jiun Sheu , Yu-Yun Lo
IPC: H01L33/58 , H01L25/075 , H01L33/44
Abstract: A micro device includes an epitaxial structure, an overcoat layer, and a first light-guiding structure. The epitaxial structure has a top surface and a bottom surface opposite to each other and a peripheral surface connecting the top surface and the bottom surface. The insulating layer covers at least the bottom surface and part of the peripheral surface of the epitaxial structure. The overcoat layer includes a contact portion and an extension portion. The contact portion conformally covers the insulating layer and the peripheral surface and the bottom surface of the epitaxial structure, and the extension portion connects the contact portion and extends in a direction away from the peripheral surface. The display apparatus includes a circuit substrate and a plurality of the above-mentioned micro devices. The micro devices are disposed and are correspondingly electrically connected to the first pads and the second pads of circuit substrate.
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公开(公告)号：US20200343421A1
公开(公告)日：2020-10-29
申请号：US16522686
申请日：2019-07-26
Applicant: PlayNitride Display Co., Ltd.
Inventor： Yi-Min Su , Sheng-Chieh Liang , Chih-Ling Wu , Gwo-Jiun Sheu , Yu-Yun Lo
Abstract: A structure with micro device includes a substrate, at least one micro device, and at least one holding structure. The micro device includes an epitaxial structure and an overcoat layer. The epitaxial structure has a top surface and a bottom surface opposite to each other and a peripheral surface connecting the top surface and the bottom surface. The overcoat layer includes a contact portion and an extension portion. The contact portion covers the peripheral surface and the bottom surface of the epitaxial structure. The extension portion connects the contact portion and extends in a direction away from the peripheral surface. The holding structure includes at least one connecting portion, at least one sacrificial portion and at least one holding portion. The connecting portion is disposed on the top surface of the epitaxial structure and the extension portion of the overcoat layer. The sacrificial portion connects the connecting portion and the holding portion. A portion of the sacrificial portion contacts the extension portion to define a predetermined fracture region. The holding portion connects the sacrificial portion and extends onto the substrate.
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公开(公告)号：US20220285600A1
公开(公告)日：2022-09-08
申请号：US17744760
申请日：2022-05-16
Applicant: PlayNitride Display Co., Ltd.
Inventor： Chih-Ling Wu , Yen-Yeh Chen , Yi-Min Su , Yi-Chun Shih
IPC: H01L33/62 , H01L25/075
Abstract: A micro light emitting device display apparatus including a substrate, a plurality of micro light emitting devices, an isolation layer, and at least one first air gap is provided. The substrate has a plurality of connection pads. The micro light emitting devices are discretely disposed on the substrate. The isolation layer is disposed between the substrate and each of the micro light emitting devices. The at least one first air gap is disposed between the substrate and a surface of the isolation layer facing the substrate.
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Patent Agency Ranking
公开(公告)号：US11380819B2
公开(公告)日：2022-07-05
申请号：US16697151
申请日：2019-11-26
Applicant: PlayNitride Display Co., Ltd.
Inventor： Chih-Ling Wu , Yi-Min Su , Yen-Yeh Chen
Abstract: A micro light emitting diode including an epitaxial structure and two electrodes is provided. The epitaxial structure includes a first surface, a second surface and a side surface. The first surface is opposite to the second surface, and the side surface is connected to the first surface and the second surface. The side surface includes a first portion and a second portion. The first portion is connected to the second portion to form a turning position. A width of the epitaxial structure gradually increases from the first surface to the turning position and gradually decreases from the turning position to the second surface. The two electrodes are disposed on the epitaxial structure and are electrically connected to the epitaxial structure. A micro light emitting diode device substrate adopting the micro light emitting diode is also provided.
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公开(公告)号：US11056626B2
公开(公告)日：2021-07-06
申请号：US16711400
申请日：2019-12-11
Applicant: PlayNitride Display Co., Ltd.
Inventor： Shiang-Ning Yang , Chih-Ling Wu , Yi-Min Su , Bo-Wei Wu
Abstract: A micro light emitting device display apparatus including a circuit substrate, a plurality of epitaxial structures, a plurality of contact pads and a plurality of light shielding patterns is provided. The plurality of epitaxial structures are dispersedly arranged on the circuit substrate. The plurality of contact pads are disposed between the plurality of epitaxial structures and the circuit substrate. The plurality of epitaxial structures are electrically connected to the circuit substrate via the plurality of contact pads respectively. The plurality of light shielding patterns and the plurality of contact pads are alternately arranged on the circuit substrate, and each of the light shielding patterns is connected between two adjacent contact pads without overlapping with the contact pads and is adapted to block light with a wavelength ranging from 150 nm to 400 nm from penetrating through. A method of fabricating the micro light emitting device display apparatus is also provided.
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公开(公告)号：US10998475B2
公开(公告)日：2021-05-04
申请号：US16691138
申请日：2019-11-21
Applicant: PlayNitride Display Co., Ltd.
Inventor： Yi-Min Su , Chih-Ling Wu , Gwo-Jiun Sheu , Sheng-Chieh Liang , Tzu-Yang Lin
Abstract: A micro semiconductor chip, a micro semiconductor structure, and a display device are provided. The micro semiconductor chip includes an epitaxial layer, a first electrode, a second electrode and a side light guide element. The epitaxial layer has a top surface, a bottom surface and a side surface. The first electrode and the second electrode are disposed on the bottom surface of the epitaxial layer. The side light guide element disposed on the side surface has a connecting portion and an extending portion. The connecting portion is in contact with a part of the extending portion, and the extending portion extends away from the side surface of the epitaxial layer. The extending portion has a top surface and a bottom surface, wherein a plane containing the top surface of the epitaxial layer forms an acute angle θ1 with a plane containing the top surface of the extending portion.
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公开(公告)号：US20250126933A1
公开(公告)日：2025-04-17
申请号：US18507103
申请日：2023-11-13
Applicant: PlayNitride Display Co., Ltd.
Inventor： Yi-Min Su , Chung-Yu Chang , Yi-Ting Chen , Ching-Liang Lin
IPC: H01L33/20 , H01L25/075
Abstract: A light emitting device including an epitaxial structure and a plurality of surface microstructures is provided. The epitaxial structure has a light emitting surface and a surrounding wall surface. The surrounding wall surface surrounds and is connected to the light emitting surface. The plurality of surface microstructures are separately arranged on the light emitting surface along a plurality of directions. The plurality of directions are not perpendicular to the surrounding wall surface. A light emitting device substrate including a plurality of the light emitting device is also provided.
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公开(公告)号：US11367713B2
公开(公告)日：2022-06-21
申请号：US16862578
申请日：2020-04-30
Applicant: PlayNitride Display Co., Ltd.
Inventor： Chih-Ling Wu , Yen-Yeh Chen , Yi-Min Su , Yi-Chun Shih
Abstract: A micro light emitting device display apparatus including a substrate, a plurality of micro light emitting devices, an isolation layer, and an air gap is provided. The micro light emitting devices are discretely disposed on the substrate. The isolation layer is disposed between the micro light emitting devices. The air gap is disposed between the micro light emitting devices, the isolation layer, and the substrate.
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