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公开(公告)号：US09041748B2
公开(公告)日：2015-05-26
申请号：US13728444
申请日：2012-12-27
Applicant: Samsung Display Co., Ltd.
Inventor： Kyoung Ju Shin , Jung-Taek Kim , Cheol Woo Park , Yun-Ki Baek , Bong Hyun You , Kyoung Won Lee
CPC classification number: G09G5/10 , G09G3/3406 , G09G2320/062 , G09G2320/0646
Abstract: A method of driving a display device includes driving a light source unit with a first driving ratio and outputting received image data to a display panel of the display device, storing the received image data upon receipt of a signal indicating a still image is displayed, calculating a second driving ratio of the light source unit from a representative value of the stored image data, compensating the stored image data according to the second driving ratio, driving the light source unit with the second driving ratio that is lower than the first driving ratio, and outputting the compensated image data to the display panel.
Abstract translation: 驱动显示装置的方法包括驱动具有第一驱动比率的光源单元并将接收到的图像数据输出到显示装置的显示面板，在接收到表示静止图像的信号的显示时存储接收到的图像数据，计算 根据所存储的图像数据的代表值对光源单元的第二驱动比，根据第二驱动比补偿存储的图像数据，以低于第一驱动比的第二驱动比驱动光源单元， 并将补偿后的图像数据输出到显示面板。
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公开(公告)号：US12217686B2
公开(公告)日：2025-02-04
申请号：US18473549
申请日：2023-09-25
Applicant: Samsung Display Co., Ltd.
Inventor： Chong Chul Chai , Dong Woo Kim , Kyoung Ju Shin , Bo Yong Chung
IPC: G09G3/3233 , G09G3/3258 , H01L27/12 , H01L29/786 , G09G3/3266 , G09G3/3275 , G09G3/36
Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.
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公开(公告)号：US11769451B2
公开(公告)日：2023-09-26
申请号：US17318564
申请日：2021-05-12
Applicant: Samsung Display Co., Ltd.
Inventor： Chong Chui Chai , Dong Woo Kim , Kyoung Ju Shin , Bo Yong Chung
IPC: G09G3/3233 , G09G3/3258 , H01L27/12 , H01L29/786 , G09G3/3266 , G09G3/3275 , G09G3/36
CPC classification number: G09G3/3233 , G09G3/3258 , G09G3/3266 , G09G3/3275 , G09G3/3648 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2310/0216 , G09G2310/08 , G09G2320/0214 , G09G2320/045 , G09G2320/0626 , G09G2330/023 , H01L27/1225 , H01L29/7869 , H01L29/78672
Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.
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公开(公告)号：US10324341B2
公开(公告)日：2019-06-18
申请号：US15871566
申请日：2018-01-15
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kyoung Ju Shin
IPC: G02F1/1343
Abstract: A liquid crystal display includes a first substrate, a gate line disposed on an upper portion of the first substrate, a gate insulating layer disposed on the gate line, a semiconductor layer disposed on the gate insulating layer, a data line and a drain electrode disposed on the semiconductor layer, a passivation layer which covers the data line and the drain electrode and defines a contact hole which exposes a part of the drain electrode, a common electrode provided at an upper portion of the passivation layer and having a planar structure, a pixel electrode electrically connected to the drain electrode through the contact hole and including a plurality of pixel branch electrodes, and a second substrate corresponding to the first substrate, where an opening is defined in the common electrode at a position which corresponds to a middle region of the plurality of pixel branch electrodes.
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公开(公告)号：US10008143B2
公开(公告)日：2018-06-26
申请号：US15092466
申请日：2016-04-06
Applicant: Samsung Display Co., Ltd.
Inventor： Jun Hyun Park , Keum Nam Kim , Sung Hwan Kim , Kyoung Ju Shin
CPC classification number: G09G3/20 , G09G2310/0267 , G09G2310/0286
Abstract: In a scan driver including a plurality of stages configured to supply scan signals to scan lines, the scan driver includes: an i−1th stage configured to supply an i−1th scan signal to an i−1th scan line while controlling a node Qi−1 (i is a natural number) in response to a first clock signal, a third clock signal, and a control voltage; an ith stage configured to supply an ith scan signal to an ith scan line while controlling a node Qi in response to a second clock signal, a fourth clock signal, and the control voltage; and a controller connected to the i−1th stage and the ith stage, and configured to supply the control voltage.
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Patent Agency Ranking
公开(公告)号：US09940889B2
公开(公告)日：2018-04-10
申请号：US15172060
申请日：2016-06-02
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jun Hyun Park , Sung Hwan Kim , Kyoung Ju Shin
IPC: G09G3/36
CPC classification number: G09G3/3677 , G09G2310/0286 , G09G2330/021
Abstract: A gate driving circuit including a plurality of stage circuits to output a plurality of gate signals, a N-th stage circuit of the plurality of stage circuits includes: an output pull-up part including a control electrode connected to a first node, the first node being configured to have a potential increase in response to a (N−1)-th control signal received from a previous stage circuit of the N-th stage circuit, the output pull-up part to receive a clock signal to output a gate signal of the N-th stage circuit; a control node pull-up part to control the potential of the first node by using the (N−1)-th control signal; and a control node pull-down part to discharge the first node to a second low voltage according to a (N+1)-th control signal, wherein the output pull-up part is to discharge the gate signal of the N-th stage circuit in a (N+2)-th stage circuit.
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公开(公告)号：US09904124B2
公开(公告)日：2018-02-27
申请号：US14479527
申请日：2014-09-08
Applicant: Samsung Display Co., Ltd.
Inventor： Kyoung Ju Shin
IPC: G02F1/1343
CPC classification number: G02F1/134363 , G02F2001/134318
Abstract: A liquid crystal display includes a first substrate, a gate line disposed on an upper portion of the first substrate, a gate insulating layer disposed on the gate line, a semiconductor layer disposed on the gate insulating layer, a data line and a drain electrode disposed on the semiconductor layer, a passivation layer which covers the data line and the drain electrode and defines a contact hole which exposes a part of the drain electrode, a common electrode provided at an upper portion of the passivation layer and having a planar structure, a pixel electrode electrically connected to the drain electrode through the contact hole and including a plurality of pixel branch electrodes, and a second substrate corresponding to the first substrate, where an opening is defined in the common electrode at a position which corresponds to a middle region of the plurality of pixel branch electrodes.
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公开(公告)号：US09767753B2
公开(公告)日：2017-09-19
申请号：US15135425
申请日：2016-04-21
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jun Hyun Park , Keum Nam Kim , Sung Hwan Kim , Kyoung Ju Shin
IPC: G09G3/36
CPC classification number: G09G3/3677 , G09G3/3614 , G09G3/3648 , G09G2230/00 , G09G2310/0216 , G09G2310/0224 , G09G2310/0251 , G09G2310/0286 , G11C19/287
Abstract: A scan driver includes a plurality of stages configured to supply scan signals to scan lines. An ith (i is a natural number) stage of the stages at one side of a panel includes: a first transistor connected between a first input terminal and a first node, and including a gate electrode connected to a second input terminal; a second transistor connected between a third input terminal and a first output terminal for outputting an ith scan signal of the scan signals, and including a gate electrode connected to the first node; a third transistor connected between the first output terminal and a first power input terminal configured to receive a first off voltage, and including a gate electrode connected to the second input terminal; and a first capacitor connected between the first node and the first output terminal.
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公开(公告)号：US09658495B2
公开(公告)日：2017-05-23
申请号：US14306588
申请日：2014-06-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kyoung Tae Kim , Kyoung Ju Shin , Jun Woo Lee , Suk Hoon Kang , Baek Kyun Jeon , Young-Gu Kim
IPC: G02F1/1337
CPC classification number: G02F1/133788 , G02F1/133753 , G02F2001/133757 , G02F2001/133761 , G02F2001/133773
Abstract: In a liquid crystal display, a pretilt value provided by an upper alignment layer or a lower alignment layer is gradually changed in one domain, such that liquid crystal molecules have various arrangements in which azimuth angles of aligned liquid crystal molecules are gradually changed.
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公开(公告)号：US12008947B2
公开(公告)日：2024-06-11
申请号：US18053485
申请日：2022-11-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kyoung Ju Shin , Hee Ju Ma , Sung Rak Hong
CPC classification number: G09G3/22 , G06F3/04166 , G09G3/32 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2310/0202 , G09G2310/0267 , G09G2310/027 , G09G2310/08 , G09G2320/0247 , G09G2330/021 , H10K59/40
Abstract: A pixel includes a light emitting element, a first transistor connected to the light emitting element, a second transistor connected between a data line and a first electrode of the first transistor, a third transistor connected between a gate electrode of the first transistor T1 and a second electrode of the first transistor, a fourth transistor connected between a gate electrode of the first transistor and an initialization power source, and a storage capacitor connected between the first power source and the gate electrode of the first transistor. A voltage provided through the data line is time divided into a data voltage provided to the gate electrode of the first transistor when both the second and third transistors turn on, and an on-bias voltage provided to the first electrode of the first transistor when the second transistor turns on and the third transistor turns off.
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