公开(公告)号：US20230056650A1

公开(公告)日：2023-02-23

申请号：US17977968

申请日：2022-10-31

Applicant: LG DISPLAY CO., LTD.

Inventor： Seong Hwan JU ,  Hyeon Ho SON ,  Jin Yeong KIM ,  Jung Eun SON ,  Hanchul PARK ,  Hyunwoo KIM

IPC: H01L25/16 ,  H01L33/44 ,  H01L33/62

Abstract: The present disclosure relates to a micro light emitting diode (LED) display device including a substrate having a plurality of thin film transistors thereon; a plurality of micro light emitting devices (LEDs) on an upper surface of the substrate, the micro LEDs each having a protecting film provided with a first contact hole to expose a portion of an upper surface of a corresponding micro LED; at least one insulating layer covering the micro LED, the insulating layer provided with a second contact hole to expose a portion of the upper surface of the corresponding micro LED; and a connection electrode in the first contact hole and the second contact hole configured to transfer signals to the micro LED, wherein the first contact hole is larger than the second contact hole.

公开(公告)号：US20190005870A1

公开(公告)日：2019-01-03

申请号：US16023092

申请日：2018-06-29

Applicant: LG Display Co., Ltd.

Inventor： Jungeun SON ,  Hyeonho SON ,  Jinyeong KIM ,  Hanchul PARK ,  Seonghwan JU

IPC: G09G3/32 ,  H01L27/12 ,  H01L25/16 ,  H01L33/62 ,  H01L25/075

Abstract: A display panel and a display apparatus using the same are disclosed. A display panel includes a base substrate including a plurality of pixel regions having corresponding gate lines and data lines, and a plurality of pads arranged at an outer periphery of the base substrate. The display panel further includes a group of subminiature light emitting diodes (LEDs) in each of the pixel regions to display an image. The subminiature LEDs in one of the pixel regions are arranged at locations within the one of the pixel regions based on a location of the one of the pixel regions with respect to a center of the base substrate.

公开(公告)号：US20250022864A1

公开(公告)日：2025-01-16

申请号：US18896638

申请日：2024-09-25

Applicant: LG DISPLAY CO., LTD.

Inventor： Seong Hwan JU ,  Hyeon Ho SON ,  Jin Yeong KIM ,  Jung Eun SON ,  Hanchul PARK ,  Hyunwoo KIM

IPC: H01L25/16 ,  H01L33/32 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62

Abstract: The present disclosure relates to a micro light emitting diode (LED) display device including a substrate having a plurality of thin film transistors thereon; a plurality of micro light emitting devices (LEDs) on an upper surface of the substrate, the micro LEDs each having a protecting film provided with a first contact hole to expose a portion of an upper surface of a corresponding micro LED; at least one insulating layer covering the micro LED, the insulating layer provided with a second contact hole to expose a portion of the upper surface of the corresponding micro LED; and a connection electrode in the first contact hole and the second contact hole configured to transfer signals to the micro LED, wherein the first contact hole is larger than the second contact hole.

公开(公告)号：US20230178532A1

公开(公告)日：2023-06-08

申请号：US17985656

申请日：2022-11-11

Applicant: LG Display Co., Ltd.

Inventor： SeongHwan JU ,  Youngchor CHO ,  Hanchul PARK ,  Jinho CHO

IPC: H01L25/16 ,  H01L33/62 ,  H01L33/60

CPC classification number: H01L25/167 ,  H01L33/62 ,  H01L33/60

Abstract: A display device includes a substrate on which a plurality of sub-pixels including at least one defective sub-pixel are defined; a light emitting element disposed in each of the sub-pixels; a driving transistor disposed in each of the sub-pixels and having a source electrode connected to a cathode of the light emitting element; a capacitor disposed in each of the sub-pixels and connected between a gate electrode and the source electrode of the driving transistor; and a reflector disposed in each of the sub-pixels and electrically connected to the cathode. In the defective sub-pixel, the gate electrode and the source electrode of the driving transistor are electrically connected through the capacitor. Accordingly, according to the present disclosure, the defective sub-pixel can be easily darkened or blackened by performing a welding process on a capacitor including a plurality of electrodes spaced apart from each other in the defective sub-pixel.