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公开(公告)号：US20210295776A1
公开(公告)日：2021-09-23
申请号：US17124581
申请日：2020-12-17
Applicant: Samsung Display Co., Ltd.
Inventor： Kyung Man Kim , Seok Gyu Ban
IPC: G09G3/3266 , G09G3/3291
Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: pixels; scan lines extending in a row direction and connected to the pixels; a data lines extending in a column direction and connected to the pixels; a receiving lines extending in the column direction and connected to the pixels; and a compensation circuit portion that generates first sensing data by receiving a current flowing to the pixels through the receiving lines, and generates a compensation value that compensates a characteristic of a driving transistor included in each of the pixels by multiplying the first sensing data by a calibration factor that corresponds to a position of each of the pixels, wherein the calibration factor includes a line calibration factors that correspond to the receiving lines.
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公开(公告)号：US09733777B2
公开(公告)日：2017-08-15
申请号：US14855125
申请日：2015-09-15
Applicant: Samsung Display Co., Ltd.
Inventor： Kyung Man Kim , Jeong Kyoo Kim
IPC: G09G5/00 , G06F3/044 , G06F3/041 , G06F3/0488
CPC classification number: G06F3/044 , G06F3/0416 , G06F3/04883 , G06F2203/04112
Abstract: A touch sensing device includes: a touch panel on which a plurality of touch sensor electrodes are formed; a touch driver for supplying a touch driving signal to the touch sensor electrodes and receiving a touch detection signal generated by the touch driving signal; a touch controller for storing a history indicating that respective touch sensor electrodes are touched in the memory by using the touch detection signal; and a memory configured to communicate with the touch controller, wherein the touch controller controls the touch driver to read the history from the memory, determines electrodes for which a number of touch events is greater than a threshold number of touch events by using the history, and supply the touch driving signal to the determined electrodes.
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公开(公告)号：US11705040B2
公开(公告)日：2023-07-18
申请号：US17711988
申请日：2022-04-01
Applicant: Samsung Display Co., Ltd.
Inventor： Seok Gyu Ban , Kyung Man Kim , Sang Jae Yeo
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2310/06 , G09G2320/029 , G09G2320/043
Abstract: A display device includes a data line, a pixel electrically connected to the data line, a data driver for outputting a data voltage, and a transmitter electrically connected between an output terminal of the data driver and the data line. The transmitter may transmit an instance of the data voltage to the data line in a first period. The transmitter may amplify a second instance of the data voltage to generate a reference voltage and then transmit the reference voltage to the data line in a second period different from the first period. The pixel includes a light emitting element for emitting light in response to the first instance of the data voltage. A voltage level of the reference voltage may be higher than a voltage level of the data voltage.
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公开(公告)号：US11665941B2
公开(公告)日：2023-05-30
申请号：US17573091
申请日：2022-01-11
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kyung Man Kim , Seok Gyu Ban , Sang Jae Yeo
IPC: G09G3/3233 , G09G3/3208 , G09G3/3283 , G09G3/3266 , G09G3/3258 , G09G3/3291 , H01L27/32 , G09G3/325
CPC classification number: H01L27/3276 , G09G3/325 , G09G3/3208 , G09G3/3233 , G09G3/3258 , G09G3/3266 , G09G3/3283 , G09G3/3291 , G09G2300/0842 , G09G2320/0233 , G09G2320/0242 , G09G2320/0295 , G09G2320/043 , G09G2320/045
Abstract: A method of compensating for degradation of a display device includes sensing a first sensing current flowing through a sensing line connected to a pixel, which includes a programming period for writing a data voltage of a predetermined color to a storage capacitor of the pixel, sensing a sensing voltage of the sensing line, which includes a period for charging a line capacitor connected to the sensing line, estimating a voltage of an anode electrode of an organic light emitting diode using a second sensing current estimated from the first sensing current and the sensing voltage, and determining a degradation compensation value using the voltage of the anode electrode.
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公开(公告)号：US11644598B2
公开(公告)日：2023-05-09
申请号：US16952796
申请日：2020-11-19
Applicant: Samsung Display Co., LTD.
Inventor： Min Sang Koo , Kyung Man Kim , Sang Hoon Kim , Min Hoon Choi , Seong Jin Hwang
CPC classification number: G02B1/14 , B32B7/12 , B32B17/10 , B32B37/12 , B32B38/0004 , B32B2255/26 , B32B2310/0843 , B32B2457/20
Abstract: A protection member, a display device and a method for fabricating a protection member for display are provided. A protection member for display includes a glass substrate including a surface and another surface facing each other in a thickness direction, and a side surface extended between the surface and the another surface, a coating layer that overlaps and contacts the side surface of the glass substrate, and includes a surface and another surface facing each other in a thickness direction, and a side surface extended between the surface and the another surface, and an impact absorbing pattern disposed on at least a portion of the coating layer and including at least one of grooves and holes.
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Patent Agency Ranking
公开(公告)号：US12078826B2
公开(公告)日：2024-09-03
申请号：US17449869
申请日：2021-10-04
Applicant: Samsung Display Co., Ltd.
Inventor： Sang Hoon Kim , Min Sang Koo , Kyung Man Kim , Yu Ri Kim , Min Hoon Choi , Seong Jin Hwang
CPC classification number: G02B5/1814 , B32B3/30 , B32B7/023 , G02B1/002 , G02B5/1847 , G06F1/1652 , B32B2307/418 , B32B2457/20
Abstract: Provided is a display device including a display panel, and a window member on the display panel, wherein the window member includes a window base material including a flexible portion in which a first area having a first rigidity and a second area having second rigidity that is less than the first rigidity are alternately located, a buffer layer on the window base material and having a refractive index that is smaller than a refractive index of the window base material, and a filler layer on the buffer layer and having a refractive index that is smaller than the refractive index of the buffer layer.
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公开(公告)号：US12051372B2
公开(公告)日：2024-07-30
申请号：US18140682
申请日：2023-04-28
Applicant: Samsung Display Co., Ltd.
Inventor： Kyung Man Kim , Seok Gyu Ban
IPC: G09G3/3266 , G09G3/3291
CPC classification number: G09G3/3266 , G09G3/3291 , G09G2310/0291 , G09G2320/0693 , G09G2330/028
Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: pixels; scan lines extending in a row direction and connected to the pixels; a data lines extending in a column direction and connected to the pixels; a receiving lines extending in the column direction and connected to the pixels; and a compensation circuit portion that generates first sensing data by receiving a current flowing to the pixels through the receiving lines, and generates a compensation value that compensates a characteristic of a driving transistor included in each of the pixels by multiplying the first sensing data by a calibration factor that corresponds to a position of each of the pixels, wherein the calibration factor includes a line calibration factors that correspond to the receiving lines.
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公开(公告)号：US11482181B2
公开(公告)日：2022-10-25
申请号：US17230819
申请日：2021-04-14
Applicant: Samsung Display Co., Ltd.
Inventor： Bo Young An , Kyung Man Kim , Wook Lee
IPC: G09G3/3291 , G09G3/3233 , G09G3/20
Abstract: A display device includes: a display panel including a plurality of pixels; a sensing data memory configured to store sensing data for threshold voltages of driving transistors of the plurality of pixels; a controller configured to determine a total threshold voltage shift amount for the driving transistors of the plurality of pixels based on the sensing data, to determine total luminance data based on input image data, to determine a frame stress based on the total luminance data and the total threshold voltage shift amount, to determine a target compensation voltage level based on the frame stress, and to generate compensated image data by compensating the input image data based on the target compensation voltage level; and a data driver configured to provide data voltages to the plurality of pixels based on the compensated image data.
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公开(公告)号：US11308837B2
公开(公告)日：2022-04-19
申请号：US16848763
申请日：2020-04-14
Applicant: Samsung Display Co., Ltd.
Inventor： Seok Gyu Ban , Kyung Man Kim , Sang Jae Yeo
IPC: G09G3/20
Abstract: A display device includes a data line, a pixel electrically connected to the data line, a data driver for outputting a data voltage, and a transmitter electrically connected between an output terminal of the data driver and the data line. The transmitter may transmit an instance of the data voltage to the data line in a first period. The transmitter may amplify a second instance of the data voltage to generate a reference voltage and then transmit the reference voltage to the data line in a second period different from the first period. The pixel includes a light emitting element for emitting light in response to the first instance of the data voltage. A voltage level of the reference voltage may be higher than a voltage level of the data voltage.
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公开(公告)号：US20150116384A1
公开(公告)日：2015-04-30
申请号：US14265089
申请日：2014-04-29
Applicant: Samsung Display Co., Ltd.
Inventor： Jeong Kyoo Kim , Kyung Man Kim , In Bok Song , Choong Sun Shin
CPC classification number: G09G3/3233 , G09G2300/0842 , G09G2360/147
Abstract: A display device and an optical compensation method for the same are disclosed. In one aspect, the method includes displaying a test image on the display panel, wherein the display panel comprises first, second, and third areas. The method also includes photographing the first and second areas together to generate first photographed data, photographing the second and third areas together to generate second photographed data, and extracting luminance data from each of the first and second photographed data. The method further includes respectively applying different weights to the luminance data of the second area extracted from each of the first and second photographed data to generate compensated luminance data, and generating a compensation parameter for each pixel based at least in part on the compensated luminance data.
Abstract translation: 公开了一种显示装置及其光学补偿方法。 一方面，该方法包括在显示面板上显示测试图像，其中显示面板包括第一，第二和第三区域。 该方法还包括将第一和第二区域一起拍摄以产生第一拍摄数据，一起拍摄第二和第三区域以产生第二拍摄数据，以及从第一和第二拍摄数据中的每一个提取亮度数据。 该方法还包括分别对从第一和第二拍摄数据中的每一个提取的第二区域的亮度数据应用不同的权重，以产生补偿的亮度数据，并且至少部分地基于经补偿的亮度数据产生每个像素的补偿参数 。
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