公开(公告)号：US12039910B2

公开(公告)日：2024-07-16

申请号：US17979802

申请日：2022-11-03

Applicant: Samsung Display Co., Ltd.

Inventor： Seunghyun Park ,  Kyungwon Park ,  Junho Park ,  Ilhun Seo ,  Sang-Uk Lim

IPC: G09G3/20 ,  G09G3/3233 ,  G09G3/3291 ,  G09G3/36

CPC classification number: G09G3/2074 ,  G09G3/2003 ,  G09G3/2096 ,  G09G3/3233 ,  G09G3/3291 ,  G09G3/3607 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/027 ,  G09G2310/08 ,  G09G2320/0242 ,  G09G2320/0271 ,  G09G2320/0276 ,  G09G2320/029 ,  G09G2360/16

Abstract: A display device includes a display panel including a pixel including a first sub-pixel displaying a first color, a second sub-pixel displaying a second color, and a third sub-pixel displaying a third color, a data driver applying a data voltage generated based on input image data to the pixel in an active period, sensing the first sub-pixel to generate first sensing data in a blank period, sensing the second sub-pixel to generate second sensing data in the blank period, and sensing the third sub-pixel to generate third sensing data in the blank period, and a driving controller compensating for the first sensing data, the second sensing data, and the third sensing data based on a grayscale value of the input image data.

公开(公告)号：US11765939B2

公开(公告)日：2023-09-19

申请号：US17100160

申请日：2020-11-20

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Jin Jeon ,  Cheol-Gon Lee ,  Sang-Uk Lim

IPC: H10K59/121 ,  G09G3/3225 ,  H10K59/126 ,  H10K59/131 ,  H01L27/12

CPC classification number: H10K59/1216 ,  G09G3/3225 ,  H10K59/126 ,  H10K59/1213 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2320/0233 ,  G09G2320/0242 ,  H01L27/1255

Abstract: A display device includes a substrate; an active pattern disposed on the substrate; a first insulating layer; a first conductive layer disposed on the first insulating layer and having a driving gate electrode; a second insulating layer; a second conductive layer disposed on the second insulating layer and having a first storage electrode; a third insulating layer; a third conductive layer disposed on the third insulating layer and having a second storage electrode; and a light-emitting element disposed on the third conductive layer, wherein the second storage electrode overlaps the first storage electrode via the third insulating layer to form a first capacitor, the first storage electrode overlaps the driving gate electrode via the second insulating layer to form a second capacitor, and the driving gate electrode, the first storage electrode, and the second storage electrode at least partially overlap each other.

公开(公告)号：US11705064B2

公开(公告)日：2023-07-18

申请号：US17497444

申请日：2021-10-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sangjin Jeon ,  Dongwoo Kim ,  Sang-Uk Lim

IPC: G09G3/3233 ,  H01L27/32 ,  H01L29/786 ,  H01L27/12

CPC classification number: G09G3/3233 ,  H01L27/1225 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/3262 ,  H01L29/7869 ,  H01L29/78675 ,  G09G2300/043 ,  G09G2300/0426 ,  G09G2300/0814 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/043 ,  G09G2320/0626 ,  G09G2330/021

Abstract: An organic light-emitting display apparatus includes an organic light-emitting diode, a switching transistor, a first light emission control transistor, and a driving transistor. The organic light-emitting diode includes an anode and a cathode for receiving a reference voltage. The switching transistor includes a gate electrode for receiving an nth scan signal and a source electrode for receiving a data signal, and is an NMOS transistor. The first light emission control transistor includes a gate electrode for receiving a light emission control signal, and is configured to turn on upon receiving the light emission control signal to determine a timing of flow of a driving current to the organic light-emitting diode, and is a PMOS transistor. The driving transistor is connected to the switching transistor and the first light emission control transistor and provides the driving current to the organic light-emitting diode.

公开(公告)号：US11670230B2

公开(公告)日：2023-06-06

申请号：US17497444

申请日：2021-10-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sangjin Jeon ,  Dongwoo Kim ,  Sang-Uk Lim

IPC: G09G3/3233 ,  H01L27/32 ,  H01L29/786 ,  H01L27/12

CPC classification number: G09G3/3233 ,  H01L27/1225 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/3262 ,  H01L29/7869 ,  H01L29/78675 ,  G09G2300/043 ,  G09G2300/0426 ,  G09G2300/0814 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/043 ,  G09G2320/0626 ,  G09G2330/021

Abstract: An organic light-emitting display apparatus includes an organic light-emitting diode, a switching transistor, a first light emission control transistor, and a driving transistor. The organic light-emitting diode includes an anode and a cathode for receiving a reference voltage. The switching transistor includes a gate electrode for receiving an nth scan signal and a source electrode for receiving a data signal, and is an NMOS transistor. The first light emission control transistor includes a gate electrode for receiving a light emission control signal, and is configured to turn on upon receiving the light emission control signal to determine a timing of flow of a driving current to the organic light-emitting diode, and is a PMOS transistor. The driving transistor is connected to the switching transistor and the first light emission control transistor and provides the driving current to the organic light-emitting diode.

公开(公告)号：US20230053847A1

公开(公告)日：2023-02-23

申请号：US18045761

申请日：2022-10-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： DONGWOO KIM ,  Sunghwan Kim ,  Kyoungju Shin ,  Cheol-Gon Lee ,  Sang-Uk Lim

IPC: G09G3/3233 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/12 ,  G01N11/02 ,  G01N27/416 ,  G01N33/18

Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.

公开(公告)号：US10957264B2

公开(公告)日：2021-03-23

申请号：US16132086

申请日：2018-09-14

Applicant: Samsung Display Co., Ltd.

Inventor： Sunhwa Lee ,  Kwang-chul Jung ,  Sang-Uk Lim

IPC: G09G3/36 ,  G02F1/1343 ,  G02F1/1362 ,  G09G5/02 ,  G09G5/18

Abstract: A display apparatus with improved aperture ratio and light transmittance is presented. The apparatus has a pixel group that includes a first pixel including first and second sub-regions, a second pixel including third and fourth sub-regions, and a third pixel including fifth and sixth sub-regions. The first, second, and third pixels are sequentially arranged in a first direction and at least two sub-regions of the first, third, and fifth sub-regions have different widths in the first direction. The second, fourth, and sixth sub-regions are sequentially arranged in the first direction, and at least one sub-region of the second, fourth, and sixth sub-regions expands toward an adjacent sub-region in the first direction and has a width greater than a width of the other sub-regions of the second, fourth, and sixth sub-regions in the same pixel group.

公开(公告)号：US20170294165A1

公开(公告)日：2017-10-12

申请号：US15299250

申请日：2016-10-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jun-Hyun Park ,  Sung-Hwan Kim ,  Kyoung-Ju Shin ,  Sang-Uk Lim ,  Yang-Hwa Choi

IPC: G09G3/3266 ,  G09G3/3291 ,  G09G3/3233 ,  G09G3/325

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G3/325 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/0214 ,  G11C19/28

Abstract: A gate driver includes a plurality of stages outputting a plurality of gate output signals, respectively. Each stage includes a first input circuit applying an input signal to a first node in response to a first clock signal, a second input circuit applying the first clock signal to a second node in response to a voltage of the first node, a first output circuit controlling a gate output signal to a first logic level in response to the voltage of the first node, a second output circuit controlling the gate output signal to a second logic level in response to a voltage of the second node, and a leakage current blocking circuit applying a first power voltage corresponding to the first logic level to the first input circuit in response to the voltage of the first node.

公开(公告)号：US09632351B2

公开(公告)日：2017-04-25

申请号：US14568525

申请日：2014-12-12

Applicant: Samsung Display Co., Ltd.

Inventor： Byoung Sun Na ,  Hee June Kwak ,  Seok Kyu Yoon ,  Sang-Uk Lim ,  Seung Soo Baek ,  Seong Young Lee ,  Wan-Soon Im

IPC: G02F1/1339 ,  G02F1/1335 ,  G02F1/1333 ,  G02F1/1362

CPC classification number: G02F1/133514 ,  G02F1/133305 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/133516 ,  G02F1/1339 ,  G02F1/13394 ,  G02F2001/13396 ,  G02F2001/13398 ,  G02F2001/136222

Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.

公开(公告)号：US09620533B2

公开(公告)日：2017-04-11

申请号：US14753679

申请日：2015-06-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyung June Kim ,  Sun Hwa Lee ,  Yun Seok Lee ,  Sang-Uk Lim

IPC: H01L27/32 ,  H01L27/12 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1335 ,  G02F1/1337

CPC classification number: H01L27/1251 ,  G02F1/133514 ,  G02F1/133707 ,  G02F1/13624 ,  G02F1/1368 ,  H01L27/124 ,  H01L27/3213 ,  H01L27/3216

Abstract: A display device includes red, blue, green, and white pixels, a plurality of gate lines, a plurality of data lines, and a plurality of storage electrodes lines. Each of the red, blue, green, and white pixels includes first to third thin film transistors, a first subpixel electrode connected to an output terminal of the first thin film transistor, and a second subpixel electrode connected to the output terminal of the second thin film transistor. A channel width of a third thin film transistor in each of the red and green pixels is larger than that of a third thin film transistor in each of the blue and white pixels, or a channel length of the third thin film transistor in each of the red and green pixels is longer than that of the third thin film transistor in each of the blue and white pixels.

公开(公告)号：US09613577B2

公开(公告)日：2017-04-04

申请号：US14557003

申请日：2014-12-01

Applicant: Samsung Display Co., Ltd.

Inventor： Seokha Hong ,  Taejin Kim ,  Ahyoung Son ,  Bonghyun You ,  Jai-Hyun Koh ,  Sang-Uk Lim

IPC: G09G3/36 ,  G09G3/20

CPC classification number: G09G3/3614 ,  G09G3/2003 ,  G09G3/3677 ,  G09G3/3685 ,  G09G3/3688 ,  G09G2310/0218 ,  G09G2310/08 ,  G09G2320/0209 ,  G09G2320/0247 ,  G09G2320/0646

Abstract: Provided is a display device. The display device includes: a plurality of gate lines extending in a first direction; a plurality of data lines extending in a second direction that intersects the first direction; and a plurality of pixels connected to the gate lines and the data lines, wherein the pixels include pixels h-th row pixels (h is a natural number) and (h+1)-th row pixels, which are adjacent to each other in the second direction, with a (k+1)-th gate line (k is a natural number) therebetween among the gate lines; and a first pixel displaying a first color and connected to the (k+1)-th gate line among the h-th row pixels and a second pixel displaying the first color and connected to the (k+1)-th gate line among the (h+1)-th row pixels are spaced apart from each other in the first direction and receive different polarities of data voltages.