LED display modules and methods for making the same

    公开(公告)号:US10957682B2

    公开(公告)日:2021-03-23

    申请号:US16655538

    申请日:2019-10-17

    申请人: LUMENS CO., LTD.

    摘要: An LED display module is disclosed. The LED display module includes: an active matrix substrate including a plurality of control units; a plurality of pairs of solder bumps arranged in a matrix on the active matrix substrate by transfer printing; a plurality of LED chips including pairs of electrodes connected to the corresponding plurality of pairs of solder bumps and arranged in a matrix on the active matrix substrate by transfer printing; grid barriers formed on the active matrix substrate to isolate the plurality of LED chips into individual chip units; and a multi-color cell layer including a plurality of color cells and aligned with the active matrix substrate such that the plurality of color cells match the plurality of LED chips in a one-to-one relationship. The plurality of color cells include first color cells, second color cells, and third color cells disposed consecutively in one direction.

    LED display modules and methods for making the same

    公开(公告)号:US10096586B2

    公开(公告)日:2018-10-09

    申请号:US15713633

    申请日:2017-09-23

    申请人: LUMENS CO., LTD.

    摘要: An LED display module is disclosed. The LED display module includes: an active matrix substrate including a plurality of control units; a plurality of pairs of solder bumps arranged in a matrix on the active matrix substrate by transfer printing; a plurality of LED chips including pairs of electrodes connected to the corresponding plurality of pairs of solder bumps and arranged in a matrix on the active matrix substrate by transfer printing; grid barriers formed on the active matrix substrate to isolate the plurality of LED chips into individual chip units; and a multi-color cell layer including a plurality of color cells and aligned with the active matrix substrate such that the plurality of color cells match the plurality of LED chips in a one-to-one relationship. The plurality of color cells include first color cells, second color cells, and third color cells disposed consecutively in one direction.