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：US12112688B2

公开(公告)日：2024-10-08

申请号：US17549382

申请日：2021-12-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ohjae Kwon ,  Jinyong Park ,  Hwaseok Seong ,  Jinsung Kang

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2320/041 ,  G09G2320/0626

Abstract: A display apparatus may include a display panel including a plurality of light emitting diode (LED) pixels; a panel driver configured to provide a driving signal to the display panel to drive the display panel; a memory storing heating characteristic information of each of a red (R) sub-pixel, a green (G) sub-pixel, and a blue (B) sub-pixel included in each of the plurality of LED pixels; and a processor configured to: obtain an average brightness value corresponding to an input image based on a gray level value of the input image, obtain heating estimation data of the input image based on the gray level value of the input image and the heating characteristic information stored in the memory, modify the obtained average brightness value based on the heating estimation data, and control the panel driver based on the modified average brightness value.