公开(公告)号：US20220335882A1

公开(公告)日：2022-10-20

申请号：US17520890

申请日：2021-11-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taehyeon KWON ,  Yongil KWON ,  Sugyeung KANG ,  Kangjoo KIM ,  Sunkwon KIM ,  Hyunsang PARK ,  Yilho LEE

IPC: G09G3/32

Abstract: A device includes a pixel array, a row driver configured to, generate a plurality of control signals, drive a plurality of rows of the pixel array using the plurality of control signals, and generate a plurality of clock signals, a row multiplexer configured to receive the plurality of clock signals, and transmit one clock signal of the plurality of clock signals, a data driver configured to transmit a plurality of data signals to the pixel array by column units, each pixel of the plurality of pixels includes, a light emitting device, a shift register configured to receive the selectively transmitted clock signal from the row multiplexer, and generate a width adjusted pulse width modulation (PWM) signal based on a desired brightness level of the light emitting device, and a transistor configured to transmit a driving current to the light emitting device based on the PWM signal.

公开(公告)号：US20240321206A1

公开(公告)日：2024-09-26

申请号：US18590365

申请日：2024-02-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Uijong SONG ,  Sunkwon KIM ,  Hyungjoong KIM ,  Seongyoung RYU ,  Yilho LEE ,  Heejin LEE

IPC: G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0626 ,  G09G2330/021

Abstract: A display apparatus includes plural pixels, a scan driver, a data driver, and a read-out circuit that reads out an electrical characteristic of each of the pixels. Each of the pixels includes a first transistor, a second transistor, a third transistor, a fourth transistor including a first electrode connected with a power node, a second electrode connected with a first node, and a gate connected with a first emission control line, a fifth transistor including a first electrode connected with a third node, a second electrode, and a gate connected with a second emission control line, a sixth transistor including a first electrode connected with a read-out line, a second electrode connected with the third node, and a gate connected a the read-out/initialization control line, a capacitor connected between the first node and the second node, and an organic light-emitting diode.

公开(公告)号：US20230023470A1

公开(公告)日：2023-01-26

申请号：US17701065

申请日：2022-03-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yilho LEE ,  Yongil KWON ,  Sugyeung KANG ,  Tae-Hyeon KWON ,  Sunkwon KIM ,  Hyunsang PARK ,  Uijong SONG

IPC: G09G3/00 ,  G09G3/32

Abstract: Disclosed is integrated circuit panel which detects fault of a driving circuit. The integrated circuit panel includes: a driving circuit array including first and second driving circuits; a data driver configured to output first and second input data signals through first and second data lines, respectively; a switch driver configured to output a switching signal through a switch line; and an error detection driver configured to receive first and second output data signals through first and second test lines, respectively, wherein, in response to the switching signal, the first and second driving circuits are configured to output the first and second output data signals, which are based on the first and second input data signal, through the first and second test lines, respectively, and the error detection driver is configured to detect a fault of the first or second driving circuit based on the first or second output data signal.

公开(公告)号：US20220406246A1

公开(公告)日：2022-12-22

申请号：US17748380

申请日：2022-05-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yilho LEE ,  Yongil KWON ,  Sugyeung KANG ,  Taehyeon KWON ,  Kangjoo KIM ,  Sunkwon KIM ,  Hyunsang PARK

IPC: G09G3/32

Abstract: A display device includes: a cell matrix including a first cell line and a second cell line, wherein the first cell line includes first cells sharing first row lines, and the second cell line includes second cells sharing second row lines; a redundancy integrated circuit including a redundancy cell line including redundancy cells, wherein the redundancy cells share a third row line and are connected to the first and second cells through a plurality of column lines and a plurality of connection lines; and a display driver integrated circuit (DDI) configured to replace the first cell line or the second cell line with the redundancy cell line through the first row lines, the second row lines, and the third row line based on whether the first and second cell lines include a bad cell.