公开(公告)号：US11127360B2

公开(公告)日：2021-09-21

申请号：US16575202

申请日：2019-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： Kwan-Young Oh ,  Suk Jin Park ,  Youngsoo Sohn ,  Wonhee Lee ,  Jae Hyoung Park

IPC: G09G3/34 ,  G09G3/36

Abstract: A liquid crystal display device comprising, a liquid crystal display panel, a timing controller configured to output a light-source controlling signal during a variable frequency mode comprising a plurality of frames with variable frame frequencies, the light-source controlling signal having a high level during a light-on period preset in an early period of a frame of the plurality of frames and a low level during a light-off period preset to a length according to a frame frequency in a latter period of the frame of the plurality of frames, and a light source configured to emit light during the light-on period and not emit light during the light-off period in response to the light-source controlling signal.

公开(公告)号：US20220285659A1

公开(公告)日：2022-09-08

申请号：US17750818

申请日：2022-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Taekyu Kim ,  Kwangbok Kim ,  Wonhee Lee

IPC: H01L51/56 ,  B23K26/0622 ,  B23K26/211 ,  B23K26/06 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52

Abstract: A method of manufacturing a display apparatus includes: forming a plurality of displays including a light-emitting diode on a surface of a first mother substrate; preparing a second mother substrate; forming a first sealed area on a surface of at least one of the first mother substrate or the second mother substrate, wherein the first sealed area surrounds each of the plurality of displays and includes a frit; firstly bonding the first mother substrate to the second mother substrate by melting the frit in the first sealed area by radiating a first laser beam; and secondly bonding the first mother substrate to the second mother substrate by forming a second sealed area in which the frit and the first mother substrate, and/or the frit and the second mother substrate, are melted and mixed with each other by radiating a second laser beam partially in the first sealed area.

公开(公告)号：US11374208B2

公开(公告)日：2022-06-28

申请号：US16815350

申请日：2020-03-11

Applicant: Samsung Display Co., Ltd.

Inventor： Taekyu Kim ,  Kwangbok Kim ,  Wonhee Lee

IPC: H01L51/56 ,  B23K26/0622 ,  B23K26/211 ,  B23K26/06 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52

Abstract: A method of manufacturing a display apparatus includes: forming a plurality of displays including a light-emitting diode on a surface of a first mother substrate; preparing a second mother substrate; forming a first sealed area on a surface of at least one of the first mother substrate or the second mother substrate, wherein the first sealed area surrounds each of the plurality of displays and includes a frit; firstly bonding the first mother substrate to the second mother substrate by melting the frit in the first sealed area by radiating a first laser beam; and secondly bonding the first mother substrate to the second mother substrate by forming a second sealed area in which the frit and the first mother substrate, and/or the frit and the second mother substrate, are melted and mixed with each other by radiating a second laser beam partially in the first sealed area.

公开(公告)号：US20200295311A1

公开(公告)日：2020-09-17

申请号：US16815350

申请日：2020-03-11

Applicant: Samsung Display Co., Ltd.

Inventor： Taekyu Kim ,  Kwangbok Kim ,  Wonhee Lee

IPC: H01L51/56 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  B23K26/06 ,  B23K26/0622 ,  B23K26/211

Abstract: A method of manufacturing a display apparatus includes: forming a plurality of displays including a light-emitting diode on a surface of a first mother substrate; preparing a second mother substrate; forming a first sealed area on a surface of at least one of the first mother substrate or the second mother substrate, wherein the first sealed area surrounds each of the plurality of displays and includes a frit; firstly bonding the first mother substrate to the second mother substrate by melting the frit in the first sealed area by radiating a first laser beam; and secondly bonding the first mother substrate to the second mother substrate by forming a second sealed area in which the frit and the first mother substrate, and/or the frit and the second mother substrate, are melted and mixed with each other by radiating a second laser beam partially in the first sealed area.

公开(公告)号：US20190182509A1

公开(公告)日：2019-06-13

申请号：US16216061

申请日：2018-12-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YOONGU KIM ,  Sukjin Park ,  Kwan-Young Oh ,  Wonhee Lee ,  Sangsu Han

IPC: H04N19/80 ,  H04N19/176 ,  H04N19/12 ,  G09G5/02

Abstract: A display apparatus includes a first compensation part that corrects image data using an LUT that stores correction data corresponding to the image data, where grayscale differences between low-grayscale correction data and low-grayscale image data are greater than grayscale differences between middle-grayscale correction data and middle-grayscale image data, and a low-grayscale filter that transforms grayscale values of low-grayscale image data into predetermined low-grayscale values when grayscale values of the low-grayscale image data are less than or equal to a threshold low-grayscale value.