公开(公告)号：US20220199011A1

公开(公告)日：2022-06-23

申请号：US17693025

申请日：2022-03-11

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hyun KA ,  Tae Hoon KWON ,  Ki Myeong EOM ,  Chung YI ,  Se Byung CHAE ,  Deok Jun CHOI ,  Moon Sang HWANG

IPC: G09G3/3225 ,  G09G3/3275

Abstract: A display device includes: a display region including a first pixel region, a second pixel region, and a third pixel region; a dummy region including a first dummy region disposed between the second pixel region and the third pixel region; first, second, and third pixels respectively arranged in the first pixel region, the second pixel region, and the third pixel region in a matrix of vertical lines and horizontal lines; a data converter configured to: receive first image data including effective data corresponding to the display region and dummy data corresponding to the dummy region; and generate second image data by converting a gray scale value of dummy data corresponding to at least one region of the first dummy region in the first image data into a predetermined first gray scale value, the first gray scale value being between a lowest gray scale value and a highest gray scale value.

公开(公告)号：US20230206831A1

公开(公告)日：2023-06-29

申请号：US18111303

申请日：2023-02-17

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hyun KA ,  Tae Hoon KWON ,  Ki Myeong EOM ,  Chung YI ,  Se Byung CHAE ,  Deok Jun CHOI ,  Moon Sang HWANG

IPC: G09G3/3225 ,  G09G3/3275

CPC classification number: G09G3/3225 ,  G09G3/3275 ,  G09G2320/0626

Abstract: A display device including: a display region including a first pixel region, a second pixel region, and a third pixel region; a dummy region including a first dummy region disposed between the second pixel region and the third pixel region; first, second, and third pixels respectively arranged in the first pixel region, the second pixel region, and the third pixel region in a matrix of vertical lines and horizontal lines; a data converter configured to receive first image data including effective data corresponding to the display region and dummy data corresponding to the dummy region and generate second image data by converting a gray scale value of dummy data corresponding to at least one region of the first dummy region in the first image data into a predetermined first gray scale value, the first gray scale value being between a lowest gray scale value and a highest gray scale value.

公开(公告)号：US20240379465A1

公开(公告)日：2024-11-14

申请号：US18532105

申请日：2023-12-07

Applicant: Samsung Display Co., Ltd.

Inventor： Deok Jun CHOI ,  Hyo Jung KIM ,  KI YONG PARK ,  Yoo Young PARK ,  Hye Sun SUNG ,  Ji Hyeon SON ,  Seung Bo SHIM ,  Jeong Yong LEE

IPC: H01L21/66 ,  G09G3/3258 ,  G09G3/3291 ,  H10K59/12

Abstract: A method includes: forming a MOSFET layer on a semiconductor wafer substrate, the MOSFET layer including: pixel driver circuits; and a display driver circuit; forming at least one line layer on the MOSFET layer; applying a first supply voltage to a first supply voltage line through a first supply voltage pad; connecting data fan-out lines connected to the pixel driver circuits with a first test line by controlling a test switching circuit in the MOSFET layer; measuring an electrical signal generated from each of the pixel driver circuits through a first test pad connected to the first test line; determining whether each of the pixel driver circuits is defective or not based on the measured electrical signal; and forming a light-emitting element layer including light-emitting elements on the at least one line layer when that the pixel driver circuits are determined to be not defective.

公开(公告)号：US20210110760A1

公开(公告)日：2021-04-15

申请号：US17037245

申请日：2020-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： Kang Hee LEE ,  Deok Jun CHOI ,  Woo Chul KIM ,  In Bok SONG

IPC: G09G3/32

Abstract: A display device includes: a plurality of pixels arranged in a row direction and a column direction; a data driver configured to transmit a data signal to the plurality of pixels through a plurality of data lines; a scan driver configured to transmit a scan signal to the plurality of pixels through a plurality of scan lines; and a light emission driver configured to transmit a light emission signal to the plurality of pixels through a plurality of light emission lines, wherein each of the scan lines and the light emission lines is connected to the pixels arranged in the row direction among the plurality of pixels, the data lines are connected to the pixels arranged in the column direction among the plurality of pixels, and the scan driver is configured to transmit the scan signal of a turn-on level to the pixels in an interlace manner.

公开(公告)号：US20220165211A1

公开(公告)日：2022-05-26

申请号：US17463253

申请日：2021-08-31

Applicant: Samsung Display Co., Ltd.

Inventor： Ara JO ,  Woo-Chul KIM ,  Inbok SONG ,  Kanghee LEE ,  Deok Jun CHOI

IPC: G09G3/3225 ,  H01L27/32 ,  G06F3/041 ,  G06F3/044

Abstract: A display device includes a display panel, an input sensor disposed on the display panel, a panel driving circuit which drives the display panel and generates a first driving voltage, and a readout circuit which controls the input sensor. The readout circuit receives the first driving voltage from the panel driving circuit and outputs transmit signals to control the input sensor.

公开(公告)号：US20220156409A1

公开(公告)日：2022-05-19

申请号：US17588112

申请日：2022-01-28

Applicant: Samsung Display Co., Ltd.

Inventor： Moon Sang HWANG ,  Weon Jun CHOE ,  Deok Jun CHOI

IPC: G06F21/73 ,  G06F3/041 ,  G06F7/58 ,  G06F21/45 ,  G09G3/20

Abstract: A method for determining whether or not a display panel is a duplicate is provided. The method includes: generating, by a code generator in an electronic module, a code, the electronic module including a plurality of electronic components; transmitting, by the code generator, the code to each of a first sequence generator in the electronic module and a second sequence generator in a display panel, the display panel being configured to be mounted to the electronic module; generating, by the first sequence generator, a first response value, and transmitting the first response value to a certification component in the electronic module; generating, by the second sequence generator, a second response value, and transmitting the second response value to the certification component; and comparing, by the certification component, the received first response value and the received second response value.

公开(公告)号：US20220262316A1

公开(公告)日：2022-08-18

申请号：US17401829

申请日：2021-08-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang Kuk KIM ,  Deok Jun CHOI ,  Ji Hyun KIM

IPC: G09G3/3275

Abstract: A display device includes an oscillator which generates a reference clock signal having a frequency corresponding to frequency information provided from an external device, a register which stores a signal parameter for the reference clock signal, and the signal parameter indicates the number of pulses of the reference clock signal included in one horizontal time, a data driver which applies data signals to data lines connected to pixels based on the one horizontal time, and a controller which changes the signal parameter based on a change in the frequency of the reference clock signal in a way such that the one horizontal time is maintained substantially constant.

公开(公告)号：US20210082344A1

公开(公告)日：2021-03-18

申请号：US17001312

申请日：2020-08-24

Applicant: Samsung Display Co., Ltd.

Inventor： Moon Sang HWANG ,  Deok Jun CHOI ,  Weon Jun CHOE

IPC: G09G3/3225

Abstract: A display device includes: a display panel including a plurality of pixels and configured to display an image; a driving controller including a timing controller and a driver controlled by the timing controller, the driving controller being configured to supply an electrical signal to the display panel; a memory configured to receive static image data from the driving controller and to store the static image data; and an interface configured to couple the driving controller to the memory so as to transmit and receive the static image data, wherein the driving controller and the memory are separate individual components.