公开(公告)号：US20210056899A1

公开(公告)日：2021-02-25

申请号：US16853185

申请日：2020-04-20

Applicant: Samsung Display Co., Ltd.

Inventor： Woo Mi BAE ,  Dae-Gwang JANG ,  Young-Soo HWANG

IPC: G09G3/3233

Abstract: An organic light emitting diode display device includes: a display area including a plurality of pixels; a compensation circuit configured to receive a current flowing through the plurality of pixels through a plurality of receiving lines connected to the plurality of pixels, and to generate a compensation value to compensate for deterioration of a driving transistor in each of the plurality of pixels based on the received current; a photo-sensor configured to measure external light to generate a light sensing signal; and a signal controller configured to cause the compensation circuit to generate the compensation value when no external light is incident on the photo-sensor such that the light sensing signal is received at a first voltage level and to perform external compensation to generate an image data signal by applying the compensation value to an image signal received from an external device.

公开(公告)号：US20210225290A1

公开(公告)日：2021-07-22

申请号：US17103530

申请日：2020-11-24

Applicant: Samsung Display Co., Ltd.

Inventor： Ho Cheol KANG ,  Ha Neul KIM ,  Dae-Gwang JANG ,  Young-Soo HWANG

IPC: G09G3/3258 ,  H02H9/04 ,  G09G3/3266 ,  G09G3/3275

Abstract: An electrostatic discharge protection circuit including: a first electrostatic discharge diode including a cathode to receive a first voltage, and an anode connected to a sensing line; a first switching element to determine the first voltage as a precharging voltage applied to a source terminal of the driving transistor when a sensing operation is performed, and to determine the first voltage as a maximum voltage used in a display panel when the sensing operation is not performed; a second electrostatic discharge diode including a cathode connected to the sensing line, and an anode configured to receive a second voltage; and a second switching element configured to determine the second voltage as the precharging voltage when the sensing operation is performed, and to determine the second voltage as a minimum voltage used in the display panel when the sensing operation is not performed.

公开(公告)号：US20210335277A1

公开(公告)日：2021-10-28

申请号：US17232061

申请日：2021-04-15

Applicant: Samsung Display Co., Ltd. ,  Korea University Research and Business Foundation

Inventor： Young-Soo HWANG ,  Joon-Chul GOH ,  Oh Jo KWON ,  Ki-Duk KIM ,  Jeongmin KIM ,  Bong Hyun YOU ,  Hyung-Min LEE ,  Seung Hun CHOI

IPC: G09G3/3275

Abstract: A data driver includes a gamma voltage generator configured to generate gamma voltages based on a number of data bits of a pixel data; a first digital-to-analog block configured to generate a plurality of time-division gamma voltage signals respectively corresponding to a plurality of gamma voltage groups; a plurality of time-division gamma voltage line groups for transferring the plurality of time-division gamma voltage signals; a second digital-to-analog block configured to select a time-division gamma voltage signal among the time-division gamma voltage signals according to upper bits of the pixel data in each channel; a time-division gamma voltage select block configured to select a gamma voltage according to lower bits of the pixel data in each channel; and an output buffer block configured to output the selected gamma voltage in each channel.

公开(公告)号：US20170372670A1

公开(公告)日：2017-12-28

申请号：US15454168

申请日：2017-03-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young-Soo HWANG

IPC: G09G3/36 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1335 ,  G02F1/1343

CPC classification number: G09G3/3614 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2300/0452

Abstract: A display apparatus includes a display panel configured to display an image, and including a plurality of gate lines extending in a first direction, a plurality of data lines extending in a second direction crossing the first direction, and a plurality of pixel units electrically connected to the gate lines and the data lines, a gate driving circuit configured to output a gate signal to each of the gate lines, and a data driving circuit configured to output data signals to the data lines using a column inversion method and a dot inversion method. In the column inversion method, polarities of the data signals, applied to first and second consecutive data lines, are inverted with respect to each other, and in the dot inversion method, polarities of the data signals applied to a third data line are inverted in pixel units arranged on opposite sides of the third data line.

公开(公告)号：US20160140935A1

公开(公告)日：2016-05-19

申请号：US14711282

申请日：2015-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： Young-Soo HWANG ,  Chang sin KIM

IPC: G09G5/18

CPC classification number: G09G5/18 ,  G09G3/20 ,  G09G2330/08 ,  G09G2330/12

Abstract: A display device includes signal lines comprising gate lines and data lines, wherein a respective data line is disposed to intersect with the gate lines. The display device further includes a repair line and a switch configured to electrically connect the repair line to a signal line, wherein a defective signal line can be electrically connected to the repair line.

Abstract translation: 显示装置包括包括栅极线和数据线的信号线，其中相应的数据线被设置成与栅极线相交。 显示装置还包括维修线和配置成将修复线电连接到信号线的开关，其中不良信号线可以电连接到修复线。

公开(公告)号：US20160005360A1

公开(公告)日：2016-01-07

申请号：US14678461

申请日：2015-04-03

Applicant: Samsung Display Co., Ltd.

Inventor： Young-Soo HWANG

IPC: G09G3/34 ,  G09G3/36

CPC classification number: G09G3/342 ,  G09G3/2092 ,  G09G2320/0209 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2330/02 ,  G09G2330/12

Abstract: According to an embodiment, a display apparatus includes a display panel displaying an image, a backlight circuit supplying a light to the display panel, a host connector connected to a host, a main control board controlling the display panel to display an image in response to an image signal and a control signal that are provided from the host through the host connector, and a backlight control board separately provided from the main control board and receiving a source voltage from the host through the host connector to drive the backlight circuit.

Abstract translation: 根据实施例，显示装置包括显示图像的显示面板，向显示面板提供光的背光电路，连接到主机的主机连接器，控制显示面板以响应于显示面板显示图像的主控板 通过主机连接器从主机提供的图像信号和控制信号，以及从主控板分别设置并通过主机连接器从主机接收源电压以驱动背光电路的背光控制板。