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公开(公告)号：US20210335854A1
公开(公告)日：2021-10-28
申请号：US17371526
申请日：2021-07-09
发明人： PO-LIANG CHEN , YUNG-FU LIN
摘要： A substrate and a display panel using the substrate are disclosed. The substrate includes a base layer; a magnetic material layer on a side of the base layer; and a thin film transistor (TFT) array layer on a side of the magnetic material layer away from the base layer.
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公开(公告)号：US20210005643A1
公开(公告)日：2021-01-07
申请号：US16681954
申请日：2019-11-13
发明人： PO-LIANG CHEN , YUNG-FU LIN
摘要： A method for transferring light emitting elements precisely during manufacture of display panels includes providing light emitting elements; providing a first electromagnetic plate defining magnetic adsorption positions; providing a receiving substrate defining receiving areas; providing a second electromagnetic plate; energizing the first electromagnetic plate to magnetically adsorb one light emitting element at one adsorption position; providing a second electromagnetic plate; and transferring the light emitting elements to one receiving area of the receiving substrate.
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公开(公告)号：US20210005488A1
公开(公告)日：2021-01-07
申请号：US16547852
申请日：2019-08-22
发明人： PO-LIANG CHEN , YUNG-FU LIN , HIROHISA TANAKA , YASUNORI SHIMADA
IPC分类号： H01L21/673 , H01L33/00 , H01F7/02 , H01F41/02 , B65G47/92
摘要： An adsorption device includes a substrate, a plurality of magnetic films, and a plurality of magnets. The substrate defines a plurality of receiving grooves spaced apart from each other. Each receiving groove defines a bottom wall and a side wall. Each magnetic film is in one receiving groove and covers the bottom wall and the side wall. The magnetic films are made of magnetic material. Each magnet is in one receiving groove. Each magnetic film is between the substrate and one magnet, a large number of magnetized LEDs of very small size are attracted on a one-to-one basis to the receiving grooves for transfer and placement of the LEDs onto a display panel which is in the course of being manufactured.
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公开(公告)号：US20210002087A1
公开(公告)日：2021-01-07
申请号：US16546591
申请日：2019-08-21
发明人： PO-LIANG CHEN , YUNG-FU LIN , HIROHISA TANAKA , YASUNORI SHIMADA
IPC分类号： B65G47/92 , H01L23/00 , H01L25/075 , H01L33/62
摘要： A device to attract and hold microscopic items such as micro LEDs magnetically rather than by static electricity includes a substrate and a plurality of magnetic units on a surface of the substrate. The magnetic units are spaced apart from each other and are constrained in the size and direction of their individual magnetic fields. Each of the magnetic units includes a magnet and a cladding layer partially covering the magnet. The cladding layer is made of a magnetic material. A side of the magnet away from the substrate is exposed from the cladding layer to attract and hold one micro LED.
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公开(公告)号：US20200343104A1
公开(公告)日：2020-10-29
申请号：US16850216
申请日：2020-04-16
发明人： YUNG-FU LIN , PO-LIANG CHEN
IPC分类号： H01L21/48 , H01L23/00 , H01L21/683 , H01L21/027 , H01L23/498
摘要： A method for making a redistribution circuit structure provides a substrate and forms a peelable layer on the substrate. A metal layer is formed on a surface of the peelable layer, the metal layer including a controlling circuit including at least two spaced units. A first photoresist layer is formed on a portion of the surface of the peelable layer and an insulating layer is applied to completely cover the first photoresist layer and the controlling circuit. Through holes are defined in the insulating layer to partially expose the controlling circuit and a seed layer applied on the insulating layer. A block layer is laid to divide the seed layer into multiple sections and electroplating in each section on a portion of the seed layer is applied to form a plating layer with better uniformity of thickness across all sections.
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公开(公告)号：US20220172970A1
公开(公告)日：2022-06-02
申请号：US17676372
申请日：2022-02-21
发明人： PO-LIANG CHEN , YUNG-FU LIN , HIROHISA TANAKA , YASUNORI SHIMADA
IPC分类号： H01L21/673 , B65G47/92 , H01L33/00
摘要： A transferring method includes providing an adsorption device, using the adsorption device to attract and hold a plurality of light emitting diodes (LEDs), providing a target substrate with a plurality of spots of anisotropic conductive adhesive on a surface of the target substrate; moving the adsorption device or the target substrate wherein each of the plurality of LEDs adsorbed by the adsorption device becomes in contact with one of the plurality of spots of anisotropic conductive adhesive; and curing the plurality of spots of anisotropic conductive adhesive on the target substrate and moving away the adsorption device.
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公开(公告)号：US20210005642A1
公开(公告)日：2021-01-07
申请号：US16681949
申请日：2019-11-13
发明人： PO-LIANG CHEN , YUNG-FU LIN
摘要： A method for transferring light emitting elements precisely during manufacture of display panels includes providing light emitting elements; providing a first electromagnetic plate defining magnetic adsorption positions; providing a receiving substrate defining receiving areas; energizing the first electromagnetic plate to magnetically adsorb one light emitting element at one adsorption position; facing the first electromagnetic plate to the receiving substrate; and transferring the light emitting elements to one receiving area of the receiving substrate.
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公开(公告)号：US20210005490A1
公开(公告)日：2021-01-07
申请号：US16547857
申请日：2019-08-22
发明人： PO-LIANG CHEN , YUNG-FU LIN , HIROHISA TANAKA , YASUNORI SHIMADA
IPC分类号： H01L21/673 , H01L33/00 , B65G47/92
摘要： An adsorption device includes a substrate and a magnetic film on a surface of the substrate. The substrate has magnetic properties and is capable of generating magnetic field. The magnetic film partially covers the surface. The magnetic film generates a magnetic field having a direction that is opposite to a direction of the magnetic field generated by the substrate. Portions of the surface of the substrate not covered by the magnetic film form positions to attract and adsorb target objects, and other portion of the surface of the substrate covered by the magnetic film is not able to attract any target object.
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公开(公告)号：US20220310569A1
公开(公告)日：2022-09-29
申请号：US17832948
申请日：2022-06-06
发明人： PO-LIANG CHEN , YUNG-FU LIN , JUNG-HUA LEE , HUIHSIEN TIEN
IPC分类号： H01L25/075 , H01L33/00
摘要： A device for collecting and transferring light emitting elements of microscale size includes a non-magnetic plate, a plurality of magnetic probes, and a magnetic plate. The non-magnetic plate defines through holes. Each of the probes is fixed in one through holes. The magnetic plate is on a surface of the non-magnetic plate and closes one opening of each of the through holes. The magnetic plate generates a magnetic field, so that each of the probes magnetically attracts one light emitting element. A method for making the transfer device and a method for transferring light emitting elements using the transfer device are also disclosed.
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公开(公告)号：US20220216366A1
公开(公告)日：2022-07-07
申请号：US17700650
申请日：2022-03-22
发明人： PO-LIANG CHEN , YUNG-FU LIN
IPC分类号： H01L33/00 , H01L21/677 , H01L25/075
摘要： A method for transferring light emitting elements during manufacture of a display panel includes providing light emitting elements; providing a first electromagnetic plate defining adsorption positions; providing a receiving substrate defining receiving areas; energizing the first electromagnetic plate to magnetically adsorb one of the light emitting elements at each adsorption position; facing the first electromagnetic plate to the receiving substrate; and transferring the light emitting elements to one corresponding receiving area of the receiving substrate.
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