Display device using micro LED, and manufacturing method therefor

    公开(公告)号:US12243861B2

    公开(公告)日:2025-03-04

    申请号:US17770855

    申请日:2019-10-22

    Abstract: The present disclosure provides a novel form of a display device which enables semiconductor light emitting elements having a vertical structure to be assembled onto a substrate and then wiring process to be performed stably without any change to the position of the elements during post-processing. The display device according to one embodiment of the present disclosure comprises: a substrate; a pair of assembly electrodes positioned on the substrate; a dielectric layer positioned on the assembly electrodes; a wiring electrode positioned on the dielectric layer and comprising a base electrode part and a low melting point junction; a partition wall which overlaps with a portion of the wiring electrode, is positioned on the dielectric layer, and defines an assembly groove to which a semiconductor light emitting element is assembled; and the vertical semiconductor light emitting element which is assembled in the assembly groove and is electrically connected to the low melting point junction of the wiring electrode, wherein the low melting point junction has a flow stop angle for controlling the thermal flow characteristic of the junction.

    THIN FILM SOLAR CELL
    3.
    发明申请
    THIN FILM SOLAR CELL 审中-公开
    薄膜太阳能电池

    公开(公告)号:US20150083203A1

    公开(公告)日:2015-03-26

    申请号:US14394642

    申请日:2013-04-02

    Abstract: A thin film solar cell includes a substrate, a first electrode and a second electrode positioned on one surface of the substrate, and a photoelectric conversion unit positioned between the first electrode and the second electrode. The photoelectric conversion unit includes a plurality of photoelectric conversion layers each including a p-type semiconductor layer, an i-type semiconductor layer, and an n-type semiconductor layer. At least one of the p-type semiconductor layers of the plurality of photoelectric conversion layers contains microcrystalline silicon (mc-Si) and amorphous silicon oxide (a-SiOx).

    Abstract translation: 薄膜太阳能电池包括位于基板的一个表面上的基板,第一电极和第二电极以及位于第一电极和第二电极之间的光电转换单元。 光电转换单元包括多个光电转换层,每个光电转换层包括p型半导体层,i型半导体层和n型半导体层。 多个光电转换层中的至少一个p型半导体层含有微晶硅(mc-Si)和非晶氧化硅(a-SiOx)。

    Display device using micro LED, and manufacturing method therefor

    公开(公告)号:US12125830B2

    公开(公告)日:2024-10-22

    申请号:US17619549

    申请日:2019-07-01

    Abstract: Disclosed in the present specification are a micro LED display device in which an assembly electrode capable of forming a non-uniform electric field is assembled in a provided assembly hole, and a manufacturing method therefor. The display device according to one embodiment of the present invention comprises: a substrate; a first assembly electrode and a second assembly electrode arranged to be spaced apart on the substrate; an insulating layer deposited on top of the first assembly electrode and the second assembly electrode; an assembly hole defining a pixel area formed on the insulating layer; a semiconductor light-emitting element assembled in the assembly hole; and a wiring electrode electrically connected to the semiconductor light-emitting element, wherein the first assembly electrode and the second assembly electrode have a pattern for generating non-uniform electric field in the assembly hole by means of applied voltage, and the semiconductor light-emitting element is assembled, on the basis of the non-uniform electric field, at a specific location in the assembly hole after moving in a specific direction.

    Moving robot and control method thereof

    公开(公告)号:US10427291B2

    公开(公告)日:2019-10-01

    申请号:US16238796

    申请日:2019-01-03

    Abstract: A moving robot includes a main body, a drive assembly moving the main body, and a cleaner head performing cleaning on a cleaning area in which the main body is positioned, wherein the drive assembly includes a plurality of pulleys, a motor connected to any one of the plurality of pulleys and generating a driving force, a belt rotated in contact with the plurality of pulleys, and a support shaft connected to some of the plurality of pulleys and changing a position of the pulley such that an area in which the belt is in contact with a ground or an obstacle is maintained to be equal to or greater than a reference area.

    Flexible sensor module and manufacturing method thereof

    公开(公告)号:US10164299B2

    公开(公告)日:2018-12-25

    申请号:US15284051

    申请日:2016-10-03

    Abstract: A flexible sensor module, includes: a sensing unit formed on a first substrate so as to be exposed to the outside, and configured to measure external environment information; a solar cell disposed on the first substrate together with the sensing unit, and configured to generate a power by receiving light; a wireless communication unit disposed at one side on the first substrate, and configured to transmit the information measured by the sensing unit to an external server; and a chemical cell disposed at another side on the first substrate, charged by receiving the power from the solar cell, and configured to supply the power to the sensing unit and the wireless communication unit, wherein the solar cell includes: a compound layer disposed on the second substrate, and configured to generate the power to be supplied to the sensing unit by receiving light; and a metallic electrode formed on the compound layer.

    Method for manufacturing thin film solar cell
    8.
    发明授权
    Method for manufacturing thin film solar cell 有权
    制造薄膜太阳能电池的方法

    公开(公告)号:US08691616B2

    公开(公告)日:2014-04-08

    申请号:US13671289

    申请日:2012-11-07

    Abstract: A method for manufacturing a thin film solar cell includes depositing a front electrode on a substrate in a chamber, etching the front electrode formed on the substrate to form an uneven portion on the surface of the front electrode, forming a photoelectric conversion unit on the front electrode, and forming a back electrode on the photoelectric conversion unit. The depositing of the front electrode includes depositing the front electrode while reducing a process pressure of the chamber from a first pressure to a second pressure lower than the first pressure. The etching of the front electrode form the uneven portion of the front electrode so that a top portion of the uneven portion includes a portion formed at the second pressure.

    Abstract translation: 一种薄膜太阳能电池的制造方法,其特征在于,在前述电极的基板的表面上形成前面的电极,在前述电极的表面形成凹凸部, 电极,并在光电转换单元上形成背电极。 前电极的沉积包括沉积前电极,同时将室的处理压力从第一压力降低到低于第一压力的第二压力。 前电极的蚀刻形成前电极的不平坦部分,使得不平坦部分的顶部包括形成在第二压力下的部分。

    Flat lighting device and display device using light-emitting diode

    公开(公告)号:US12061395B2

    公开(公告)日:2024-08-13

    申请号:US18247782

    申请日:2020-10-06

    Abstract: The present invention is applicable to a display device-related technical field, and relates to, for example, a flat lighting device and a display device using a light-emitting diode (LED). The present invention relates to a display device including a plurality of individual unit compartment regions, comprising: at least one light-emitting diode provided in the individual unit compartment regions; a gate-on voltage line connected to the light-emitting diode; a first scan line for applying a common voltage to the plurality of individual unit compartment regions; a second scan line for applying a voltage inverted from the common voltage to the plurality of individual unit compartment regions; a data line for applying individual switching voltages to the plurality of individual unit compartment regions; a driving unit including a driving MOSFET device connected to the light-emitting diode; and a switching unit including a switching MOSFET device connected to the first scan line and the data line to perform a switching operation.

    Flat lighting device and display device using light-emitting diode

    公开(公告)号:US12033565B2

    公开(公告)日:2024-07-09

    申请号:US18028257

    申请日:2020-09-25

    Abstract: The present invention is applicable to a display device-related technical field, and relates to, for example, a flat lighting device and a display device using a light-emitting diode (LED). The present invention relates to a display device including a plurality of individual unit compartment regions, comprising: at least one light-emitting diode provided in the individual unit compartment regions; a gate-on voltage line connected to the light-emitting diode; a scan line for applying a common voltage to the plurality of individual unit compartment regions; a data line for applying individual switching voltages to the plurality of individual unit compartment regions; a driving unit including a driving MOSFET device connected to the light-emitting diode; and a switching unit including a switching MOSFET device connected to the scan line and the data line to perform a switching operation.

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