公开(公告)号：US20210241682A1

公开(公告)日：2021-08-05

申请号：US17166683

申请日：2021-02-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngki JUNG ,  Tetsuya SHIGETA ,  Jinho KIM ,  Chulgyu JUNG

IPC: G09G3/32 ,  H01L27/15

Abstract: A display panel is provided. The display panel includes a plurality of light-emitting diodes constituting a plurality of sub-pixels of the display panel and configured to be divided into a plurality of groups; and a plurality of LED driving circuits configured to: receive a PWM data voltage in a scanning period; and based on the PWM data voltage, drive the plurality of light-emitting diodes by providing drive current to the plurality of light-emitting diodes for a time corresponding to the PWM data voltage in an emission period, wherein each of the plurality of LED driving circuits is configured to be connected to light-emitting diodes included in respective groups of the plurality of groups, and drive the light-emitting diodes of the respective groups.

公开(公告)号：US20210135076A1

公开(公告)日：2021-05-06

申请号：US17259681

申请日：2019-07-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngki JUNG ,  Jinho KIM ,  Dongmyung SON ,  Sangmin SHIN ,  Changjoon LEE ,  Kyungwoon JANG ,  Seongphil CHO ,  Gyun HEO ,  Soonmin HONG

IPC: H01L33/62

Abstract: A display panel is disclosed. The disclosed display panel includes a thin film transistor substrate, a plurality of micro LEDs arranged on one surface of the thin film transistor substrate, a plurality of first connection pads disposed on the one surface of the thin film transistor substrate, a plurality of second connection pads disposed on the other surface of the thin film transistor substrate that faces the one surface, and a plurality of connection wirings disposed on a side surface of the thin film transistor substrate for electrically connecting each of the plurality of first connection pads and the plurality of second connection pads, wherein at least one of an edge region on the one surface and an edge region on the other surface of the thin film transistor substrate includes a cutting area which is cut in an inward direction of the thin film transistor substrate.

公开(公告)号：US20240079540A1

公开(公告)日：2024-03-07

申请号：US18378422

申请日：2023-10-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Wonkeun PARK ,  Donghwan KIM ,  Donghun LEE ,  Youngki JUNG

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L27/156 ,  H01L33/38

Abstract: A display module includes a substrate, a first pixel circuit, a first light emitting element, a second pixel circuit and a second light emitting element. The first pixel circuit is configured to control the first light emitting element. The first pixel circuit is located inwardly from an edge of the substrate with respect to the first light emitting element.

公开(公告)号：US20230352645A1

公开(公告)日：2023-11-02

申请号：US18197847

申请日：2023-05-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sangmoo PARK ,  Donghwan KIM ,  Donghun LEE ,  Youngki JUNG

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

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/124

Abstract: A display module includes a substrate; a plurality of electrode pads provided on a surface of the substrate; a plurality of first barriers provided between the plurality of electrode pads; and a plurality of light-emitting diodes, each of the plurality of light-emitting diodes including device electrodes connected to corresponding electrode pads of the plurality of electrode pads, wherein each of the plurality of first barriers is provided between a pair of adjacent electrode pads corresponding to a light-emitting diode of the plurality of light-emitting diodes.

公开(公告)号：US20230122312A1

公开(公告)日：2023-04-20

申请号：US18084118

申请日：2022-12-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngki JUNG ,  Sangmin SHIN ,  Kisun KANG ,  Donghwan KIM ,  Chulgyu JUNG

IPC: H01L27/12 ,  G09G3/32 ,  H01L25/16

Abstract: A light-emitting diode (LED) module includes: a glass substrate; a signal wiring layer provided on the glass substrate and including a plurality of electrodes connected by a passive matrix circuit; and a plurality of LEDs connected to the plurality of electrodes and configured to emit light toward the glass substrate, wherein the signal wiring layer further includes a boundary region that divides the LED module into a plurality of unit regions.

公开(公告)号：US20230387144A1

公开(公告)日：2023-11-30

申请号：US18227162

申请日：2023-07-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngki JUNG ,  Chulgyu Jung

IPC: H01L27/12 ,  H01L25/16 ,  H01L33/58 ,  H01L23/00

CPC classification number: H01L27/1248 ,  H01L25/167 ,  H01L33/58 ,  H01L27/124 ,  H01L24/05 ,  H01L24/08 ,  H01L24/06 ,  H01L2224/05573 ,  H01L2224/05557 ,  H01L2224/06181 ,  H01L2224/08145 ,  H01L2224/08225 ,  H01L2924/12041

Abstract: A display module includes: a plurality of pixels arranged in two dimensions; a display panel including: a back plate including: a transparent substrate; a pixel circuit layer; and a plurality of power electrode layers provided on the transparent substrate; and a plurality of inorganic light emitting elements provided on the back plate; and an image sensor provided on the rear of the display panel, wherein each of the plurality of pixels includes two or more inorganic light emitting elements among the plurality of inorganic light emitting elements, the display panel includes a plurality of transparent regions in a region corresponding to a position of the image sensor, and each transparent region of the plurality of transparent regions is configured to allow external light to be incident on the image sensor.

公开(公告)号：US20210375185A1

公开(公告)日：2021-12-02

申请号：US17399101

申请日：2021-08-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinho KIM ,  Sangmin SHIN ,  Youngki JUNG

IPC: G09G3/20 ,  G09G3/32

Abstract: A display panel including a plurality of pixels is provided. The display panel includes: a plurality of light emitting elements configured to constitute each pixel of the plurality of pixels; and a plurality of pixel circuits respectively corresponding to the plurality of light emitting elements and configured to drive the plurality of light emitting elements, wherein the plurality of pixel circuits includes a first pixel circuit for pulse width modulation (PWM)-driving a first light emitting element among the plurality of light emitting elements and a second pixel circuit for pulse amplitude modulation (PAM)-driving a second light emitting element among the plurality of light emitting elements.

公开(公告)号：US20210111168A1

公开(公告)日：2021-04-15

申请号：US17070417

申请日：2020-10-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngki JUNG ,  Sangmin Shin ,  Jinho Kim ,  Chulgyu Jung

IPC: H01L25/16 ,  H01L23/00

Abstract: Provided are a light emitting diode (LED) module that enables a freedom in structure design thereof using a fan-out interconnection and an insulating layer, and a display device having the same. The LED module having a multi-layer structure includes substrate; a LED located on the substrate and emitting light toward the substrate; a plurality of upper electrodes located on the LED and connected to the LED; an upper insulating layer provided to surround the plurality of upper electrodes; a film on glass (FOG) electrode located on the upper insulating layer; and a fan out interconnection structure configured to connect the plurality of upper electrodes to the FOG electrode through the upper insulating layer.

公开(公告)号：US20200184880A1

公开(公告)日：2020-06-11

申请号：US16706093

申请日：2019-12-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chulgyu JUNG ,  Jinho KIM ,  Sangmin SHIN ,  Hoseop LEE ,  Youngki JUNG

IPC: G09G3/32 ,  H01L25/16 ,  G06F3/14

Abstract: A display apparatus including: a printed circuit board; and a plurality of display modules arranged adjacent in a length direction of the printed circuit board, each display modules of the plurality of the display modules including: a thin film transistor substrate; a plurality of micro LEDs arranged on a surface of the thin film transistor substrate; a flexible printed circuit board (FPCB) through which the printed circuit board and the thin film transistor substrate; and a driver controlling the plurality of micro LEDs disposed on a surface of the FPCB.

公开(公告)号：US20230006120A1

公开(公告)日：2023-01-05

申请号：US17903253

申请日：2022-09-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngki JUNG ,  Sangmin SHIN ,  Donghun LEE ,  Chulgyu JUNG

IPC: H01L33/62 ,  H01L33/38 ,  G01R31/26 ,  H01L25/075

Abstract: A light emitting diode (LED) module includes a substrate layer including an active area and a non-active area excluding the active area, at least one wiring layer provided on the substrate layer, and a test pad connected to the at least one wiring layer and provided in the non-active area.