公开(公告)号：US11515294B2

公开(公告)日：2022-11-29

申请号：US16891242

申请日：2020-06-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ohjae Kwon ,  Jinmo Kang ,  Donghwan Kim ,  Yong Namkung ,  Seondeok Hwang

IPC: H01L21/00 ,  H01L25/075 ,  H01L25/16

Abstract: A micro light emitting diode (LED) transfer method includes: preparing a transfer substrate including a plurality of micro LEDs, the plurality of micro LEDs having electrodes disposed in a first direction and a second direction different from the first direction on the transfer substrate; sequentially transferring a first set of micro LEDs among the plurality of micro LEDs in block units from the transfer substrate to first regions of a target substrate; and sequentially transferring a second set of micro LEDs among the plurality of micro LEDs in block units from the transfer substrate to second regions of the target substrate, and in the sequential transferring of the second set of micro LEDs, the second set of micro LEDs transferred to the second regions are disposed in the same electrode direction as an electrode direction of the first set of micro LEDs transferred to the first regions.

公开(公告)号：US20210125570A1

公开(公告)日：2021-04-29

申请号：US17069480

申请日：2020-10-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinmo Kang ,  Seungjin Baek ,  Hosik Sohn ,  Hoyoung Lee

IPC: G09G3/36 ,  G09G3/3216

Abstract: A display apparatus includes a display panel including a plurality of pixels, each pixel of the plurality of pixels having a plurality of light-emitting devices; a storage configured to store a plurality of calibration matrices for each pixel of the plurality of pixels; a processor configured to identify a calibration matrix according to input data of the plurality of pixels and to calibrate modulation data corresponding to the input data based on the identified calibration matrix; and a panel driver configured to drive the display panel by applying a driving signal generated from the calibrated modulation data to the light-emitting devices of the plurality of pixels, wherein the plurality of calibration matrices includes a white calibration matrix and a color calibration matrix.

公开(公告)号：US11508326B2

公开(公告)日：2022-11-22

申请号：US17069480

申请日：2020-10-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinmo Kang ,  Seungjin Baek ,  Hosik Sohn ,  Hoyoung Lee

IPC: G09G3/00 ,  G09G3/36 ,  G09G3/3216

Abstract: A display apparatus includes a display panel including a plurality of pixels, each pixel of the plurality of pixels having a plurality of light-emitting devices; a storage configured to store a plurality of calibration matrices for each pixel of the plurality of pixels; a processor configured to identify a calibration matrix according to input data of the plurality of pixels and to calibrate modulation data corresponding to the input data based on the identified calibration matrix; and a panel driver configured to drive the display panel by applying a driving signal generated from the calibrated modulation data to the light-emitting devices of the plurality of pixels, wherein the plurality of calibration matrices includes a white calibration matrix and a color calibration matrix.

公开(公告)号：US11176875B2

公开(公告)日：2021-11-16

申请号：US17066987

申请日：2020-10-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hosik Sohn ,  Jinmo Kang ,  Seungjin Baek ,  Hoyoung Lee

IPC: G09G3/32

Abstract: A display apparatus includes a display panel including a light-emitting device; a storage storing a target gamma value and a calibration matrix; a processor configured to obtain first modulation data from input data and calibrate the first modulation data via the calibration matrix, obtain second modulation data from the calibrated first modulation data, and generate a driving signal from the second modulation data; and a panel driver configured to drive the display panel by applying the driving signal to the light-emitting device, wherein the calibration matrix has a compensation coefficient for making a gamma curve corresponding to the driving signal to be the same as a target gamma curve corresponding to the target gamma value.

公开(公告)号：US20210013184A1

公开(公告)日：2021-01-14

申请号：US16891242

申请日：2020-06-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ohjae KWON ,  Jinmo Kang ,  Donghwan Kim ,  Yong Namkung ,  Seondeok Hwang

IPC: H01L25/075 ,  H01L25/16

Abstract: A micro light emitting diode (LED) transfer method includes: preparing a transfer substrate including a plurality of micro LEDs, the plurality of micro LEDs having electrodes disposed in a first direction and a second direction different from the first direction on the transfer substrate; sequentially transferring a first set of micro LEDs among the plurality of micro LEDs in block units from the transfer substrate to first regions of a target substrate; and sequentially transferring a second set of micro LEDs among the plurality of micro LEDs in block units from the transfer substrate to second regions of the target substrate, and in the sequential transferring of the second set of micro LEDs, the second set of micro LEDs transferred to the second regions are disposed in the same electrode direction as an electrode direction of the first set of micro LEDs transferred to the first regions.