公开(公告)号：US11410599B2

公开(公告)日：2022-08-09

申请号：US17204213

申请日：2021-03-17

Applicant: Samsung Display Co., Ltd.

Inventor： Sehyuk Park ,  Jae Keun Lim ,  Hong Soo Kim ,  Jin Young Roh ,  Hyo Jin Lee

IPC: G09G3/3225 ,  G09G3/3233 ,  H01L27/32

Abstract: A pixel of an organic light emitting diode display device includes a capacitor, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a ninth transistor and an organic light emitting diode. The third transistor includes first and second sub-transistors which are coupled to each other in series between a drain of the first transistor and a gate node, and a fourth transistor includes third and fourth sub-transistors which are coupled to each other in series between a line of an initialization voltage and the gate node. The eighth transistor applies a reference voltage to a first node between the first and second sub-transistors in response to an emission signal, and a ninth transistor applies the reference voltage to a second node between the third and fourth sub-transistors in response to the emission signal.

公开(公告)号：US20220059012A1

公开(公告)日：2022-02-24

申请号：US17520907

申请日：2021-11-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyo Jin Lee ,  Jae Keun Lim ,  Hong Soo Kim ,  Jinyoung Roh ,  Sehyuk Park

IPC: G09G3/20

Abstract: A display apparatus including: a display panel configured to display an image based on input image data; a data driver configured to output a data voltage to the display panel; and a driving controller configured to determine a driving frequency of the display panel based on flicker values for grayscale values of the input image data and output a driving frequency signal representing the driving frequency of the display panel to a host.

公开(公告)号：US11227546B2

公开(公告)日：2022-01-18

申请号：US16593651

申请日：2019-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： Jiwoong Kim ,  Ohjo Kwon ,  Jeon Kyoo Kim ,  Jae Keun Lim

IPC: G09G3/3233 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3291

Abstract: An organic light emitting display device includes a display part including a plurality of scan lines, a plurality of data lines, a plurality of power source lines, and a plurality of pixels each including an organic light emitting diode, a driving transistor coupled to the organic light emitting diode and to a power source line of the power source lines, and a switching transistor coupled to a scan line of the scan lines and to a data line of the data lines, and a sensing driver configured to sample a sensing current from the power source line while a sensing data voltage is applied to one of the pixels, and to calculate a threshold voltage value of the driving transistor using the sensing current in a sensing mode.

公开(公告)号：US11176876B1

公开(公告)日：2021-11-16

申请号：US17151601

申请日：2021-01-18

Applicant: Samsung Display Co., Ltd.

Inventor： Hyo Jin Lee ,  Hong Soo Kim ,  Jin Young Roh ,  Se Hyuk Park ,  Jae Keun Lim

IPC: G09G3/32

Abstract: A display device includes the following elements: a display panel including a first pixel emitting first-color light, a second pixel emitting second-color light, and a third pixel emitting third-color light; a controller generating generated image data based on input image data according to a driving frequency of the display panel, and generating output image data using the generated image data; and a data driver supplying data signals to the display panel based on the output image data. The input image data includes first, second, and third grayscales for the first, second, and third pixels, respectively. The generated image data includes first, second, and third generated grayscales for the first, second, and third pixels, respectively, with different ratios to the first, second, and third grayscales, respectively.

公开(公告)号：US11087679B2

公开(公告)日：2021-08-10

申请号：US16567705

申请日：2019-09-11

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Keun Lim ,  Jeong Kyoo Kim ,  Dong Won Lee

IPC: G06F3/042 ,  G09G3/3233 ,  G06K9/00 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel and a display device including the same. The pixel includes: a pixel circuit configured to control the amount of current to be supplied to an organic light-emitting diode in response to a data signal provided from a data line; and a light sensor circuit coupled between the data line and the pixel circuit and configured to control the amount of current to be supplied to the pixel circuit in response to incident light.

公开(公告)号：US10922516B2

公开(公告)日：2021-02-16

申请号：US16387545

申请日：2019-04-18

Applicant: Samsung Display Co. Ltd.

Inventor： Jeon Kyoo Kim ,  Jun Yong Song ,  Jae Keun Lim

IPC: G06K9/00 ,  G09G3/3233 ,  G06F3/044 ,  G06F21/32 ,  G06F3/041

Abstract: A display device has a display area with a first area in which a fingerprint is recognized and a second area in which a fingerprint is not recognized, and a non-display area. A fingerprint sensing unit is disposed to overlap with the first area. A first pixel set is disposed to overlap with the first area, and a second pixel set is disposed to overlap with the second area, each set including a plurality of pixels. A first voltage signal is provided to the first pixel set as a variable frequency signal, and includes a first period during which the first voltage signal is a first frequency signal, a second period during which the first voltage signal is a second frequency signal having a lower frequency than the first frequency signal, and a third period during which the first voltage signal is the first frequency signal.

公开(公告)号：US10121434B2

公开(公告)日：2018-11-06

申请号：US15042029

申请日：2016-02-11

Applicant: Samsung Display Co., Ltd

Inventor： Jun Hyun Park ,  Sung Hwan Kim ,  Se Young Song ,  Kyoung Ju Shin ,  Jae Keun Lim

IPC: G11C19/00 ,  G09G3/36 ,  G09G3/20 ,  G11C19/28 ,  H03K17/687

Abstract: There is provided a stage circuit capable of minimizing a mounting area. The stage circuit includes: an output unit configured to supply a voltage of a first node, an i-th (i is a natural number) carry signal, and to supply an i-th scan signal in response to the voltage of the first node, a voltage of a second node, and a first clock signal, a controller configured to control the voltage of the second node in response to the first clock signal; a pull-up unit configured to control the voltage of the first node in response to a carry signal of a previous stage and a voltage of a first node of the previous stage, and a pull-down unit configured to control the voltage of the first node in response to the voltage of the second node and a carry signal of a next stage.

公开(公告)号：US10078995B2

公开(公告)日：2018-09-18

申请号：US15084022

申请日：2016-03-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong Hee Kim ,  Ji Sun Kim ,  Young Wan Seo ,  Jae Keun Lim ,  Chong Chul Chai

IPC: G09G5/00 ,  H03K17/687 ,  G09G3/3266 ,  G09G3/36

CPC classification number: G09G5/00 ,  G09G3/3266 ,  G09G3/3674 ,  G09G3/3677 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/061 ,  G09G2310/08

Abstract: A gate driver includes a plurality of stage circuits to output a clock signal from the outside as gate signals. A jth stage circuit includes an input unit to charge a first node at an initial voltage when a first input signal is input to a first input terminal, a buffer unit to output the clock signal as a gate signal to an output terminal when the initial voltage is supplied to the first node, a holding unit to maintain the first node at a reset power source level when the clock signal is supplied to the holding unit, and an inverter unit to supply the clock signal or the reset power source to the holding unit. The input unit maintains the first node at a second input signal input voltage to a second input terminal when a third input signal is input to a third input terminal.

公开(公告)号：US09870730B2

公开(公告)日：2018-01-16

申请号：US14920596

申请日：2015-10-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee Kim ,  Ji-Sun Kim ,  Jun Hyun Park ,  Young Wan Seo ,  Jae Keun Lim ,  Chong Chul Chai

IPC: G09G3/36 ,  G09G3/20 ,  H03K19/0175

CPC classification number: G09G3/2092 ,  G09G2310/0286 ,  H03K19/017509

Abstract: A gate circuit according to an exemplary embodiment of the present inventive concept comprises a plurality of stages, each receiving a clock signal and outputting a gate signal and a carry signal. One of the plurality of stages includes a first transistor of which a first terminal and a control terminal are connected to each other and a carry signal of a stage before previous stage is input to the first terminal and the control terminal and a second transistor of which a gate signal of the previous stage is input to a first terminal, a control terminal is connected with a second terminal of the first transistor, and an output terminal is connected to a first node.

公开(公告)号：US08896801B2

公开(公告)日：2014-11-25

申请号：US13677187

申请日：2012-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Keun Lim ,  Joon-Chul Goh ,  Se Hyoung Cho ,  Chong Chul Chai

IPC: G02F1/1339 ,  G02F1/1362 ,  H01L33/00

CPC classification number: G02F1/136286 ,  G02F1/133377 ,  H01L33/005

Abstract: Provided is a liquid crystal display. The liquid crystal display includes: a substrate; a gate line, a common electrode line and a data line formed on the substrate; an insulating layer formed on the gate line, the common electrode line and the data line; a pixel electrode formed on the insulating layer; a microcavity formed on the pixel electrode and including a liquid crystal injection hole; a common electrode formed on the microcavity; a support member formed on the common electrode; and a capping layer formed on the support member and covering the liquid crystal injection hole, in which the common electrode line and the common electrode are connected to each other through a contact hole formed in a passivation layer.

Abstract translation: 提供了一种液晶显示器。 液晶显示器包括：基板; 栅极线，公共电极线和形成在基板上的数据线; 形成在栅极线，公共电极线和数据线上的绝缘层; 形成在所述绝缘层上的像素电极; 形成在像素电极上并包括液晶注入孔的微腔; 形成在微腔上的公共电极; 形成在所述公共电极上的支撑构件; 以及形成在支撑构件上并覆盖液晶注入孔的覆盖层，其中公共电极线和公共电极通过形成在钝化层中的接触孔相互连接。