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公开(公告)号：US20210241704A1
公开(公告)日：2021-08-05
申请号：US17235105
申请日：2021-04-20
Applicant: Samsung Display Co., Ltd.
Inventor： Kihyun PYUN , Moonshik KANG , Dae-Sik LEE , Jun Pyo LEE , Min-Soo CHOI , Songyi HAN
Abstract: A light source apparatus includes a plurality of light source gate lines extending in a first direction, a plurality of light source data lines extending in a second direction crossing the first direction, a plurality of light source emission lines, a plurality of feedback lines and a plurality of light source blocks. At least one of the light source blocks is connected to the light source gate line, the light source data line, the light source emission line and the feedback line.
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公开(公告)号：US20200160796A1
公开(公告)日：2020-05-21
申请号：US16582454
申请日：2019-09-25
Applicant: Samsung Display Co., Ltd.
Inventor： Gwangsoo AHN , Kihyun PYUN , Moonshik KANG
IPC: G09G3/34
Abstract: A display device includes a light-source module including a plurality of light-source blocks configured to provide light to a display panel, a plurality of light-source drivers configured to drive the plurality of light-source blocks, a timing controller configured to generate a dimming level signal of a corresponding one of the light-source blocks, and to generate a dimming select signal configured to select a corresponding one of the light-source drivers corresponding to the dimming level signal, a signal converter configured to convert an n-bit dimming select signal into an m-bit switch control signal, “n” and “m” being natural numbers, and n being less than m, and a plurality of switches connected between the timing controller and the plurality of light-source drivers, and configured to provide a plurality of dimming level signals to the plurality of light-source drivers based on a switch control signal.
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公开(公告)号：US20190156783A1
公开(公告)日：2019-05-23
申请号：US16186944
申请日：2018-11-12
Applicant: Samsung Display Co., Ltd.
Inventor： Yunmi KIM , Kihyun PYUN , Sung-In KANG
Abstract: A display device includes a display panel divided into a first display area and a second display area in a first direction, a first data driver which provides a first data signal to the first display area through data lines arranged in a second direction crossing the first direction, a second data driver which provides a second data signal to the second display area through the data lines arranged in the second direction, a gate driver which provides a gate signal to the display panel through gate lines arranged in the first direction, a timing controller which generates control signals that control the first data driver, the second data driver, and the gate driver, and a defect detector which controls to display a defect detecting image and a reference image on the first display area and the second display area alternately based on an enable signal.
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公开(公告)号：US20130201174A1
公开(公告)日：2013-08-08
申请号：US13686284
申请日：2012-11-27
Applicant: Samsung Display Co., Ltd.
Inventor： Kihyun PYUN , Sung-In KANG , Jun-Ho HWANG , Seung-Woon SHIN
IPC: G09G1/00
CPC classification number: G09G1/005 , G09G3/3607 , G09G3/3614 , G09G3/3677 , G09G2310/0289
Abstract: A display apparatus including a plurality of pixels arranged in association with a plurality of gate lines and a plurality of data lines crossing the gate lines, a data driver configured to drive the data lines, a gate driving unit configured to drive the gate lines in synchronization with a gate control signal, and a timing controller configured to control the data driver and the gate driving unit in response to an image signal and a control signal from an exterior. The timing controller outputs the gate control signal including a plurality of pulses respectively corresponding to the gate lines and an enable time of each pulse of the gate control signal is set according to a position of a corresponding gate line of the gate lines.
Abstract translation: 一种显示装置，包括与多条栅极线相连接的多个像素和与栅极线交叉的多条数据线，被配置为驱动数据线的数据驱动器，配置成同步驱动栅极线的栅极驱动单元 以及定时控制器，被配置为响应于来自外部的图像信号和控制信号来控制数据驱动器和门驱动单元。 定时控制器输出包括分别对应于栅极线的多个脉冲的栅极控制信号，并且根据栅极线的对应栅极线的位置来设置栅极控制信号的每个脉冲的使能时间。
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公开(公告)号：US20200211441A1
公开(公告)日：2020-07-02
申请号：US16728756
申请日：2019-12-27
Applicant: Samsung Display Co., Ltd.
Inventor： Gwangsoo AHN , Keunoh KANG , Kihyun PYUN , Moonshik KANG
IPC: G09G3/20
Abstract: A display system includes a source device and a sink device. The source device generates red-color display data, green-color display data, and blue-color display data and transmits first packet data including the red-color display data and a red-color display reference gamma-set, second packet data including the green-color display data and a green-color display reference gamma-set, and third packet data including the blue-color display data and a blue-color display reference gamma-set. The sink device converts the red-color display data, the green-color display data, and the blue-color display data into red-color display data-voltages, green-color display data-voltages, and blue-color display data-voltages and displays an image using the red-color display data-voltages, the green-color display data-voltages, and the blue-color display data-voltages. The sink device generates red-color display gamma-voltages, green-color display gamma-voltages, and blue-color display gamma-voltages based on the red-color display reference gamma-set, the green-color display reference gamma-set, and the blue-color display reference gamma-set, respectively.
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Patent Agency Ranking
公开(公告)号：US20190172402A1
公开(公告)日：2019-06-06
申请号：US16205529
申请日：2018-11-30
Applicant: Samsung Display Co., Ltd.
Inventor： Jungmi YUN , Minyoung PARK , Kihyun PYUN
IPC: G09G3/34
CPC classification number: G09G3/3406 , G09G3/20 , G09G2310/0202 , G09G2310/0267 , G09G2320/0233
Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a backlight assembly. The display panel includes a plurality of display blocks. The gate driver outputs a gate signal to the display panel. The data driver outputs a data voltage to the display panel. The backlight assembly provides light to the display panel. Sequences of outputting the gate signals from the gate driver to the display blocks are different from each other in adjacent frames.
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公开(公告)号：US20190165675A1
公开(公告)日：2019-05-30
申请号：US16201325
申请日：2018-11-27
Applicant: Samsung Display Co., Ltd.
Inventor： Kihyun PYUN , Yu-chol KIM , Minyoung PARK , Min-soo CHOI
Abstract: A display device includes a display panel, and a power management circuit including a switching regulator for supplying a power in a discontinuous conduction mode or in a continuous conduction mode, and a sensing circuit for sensing whether the switching regulator is operated in the discontinuous conduction mode, the switching regulator including a comparator for monitoring the supplied power, and an RS latch for receiving an output signal from the comparator, and the sensing circuit including a phase lock loop circuit for generating a first clock signal, a phase delay circuit for generating a second clock signal having a phase delayed from the first, and a determination circuit for outputting a first value when a pulse width of the output signal from the RS latch is small, and for outputting a second value when the pulse width of the output signal from the RS latch is not small.
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公开(公告)号：US20150206487A1
公开(公告)日：2015-07-23
申请号：US14462064
申请日：2014-08-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yunmi KIM , Kihyun PYUN , Sung-Jun KIM , Kyung-Hwa LIM , Juhyun KIM , Yongjae LEE , Jeongdoo LEE
IPC: G09G3/36
CPC classification number: G09G3/3614 , G09G3/3696 , G09G2310/08 , G09G2320/0209
Abstract: A display apparatus includes: a display panel which displays an image; a data driver which supplies a data voltage to the display panel in response to a polarity control signal, where the polarity control signal controls a polarity of the data voltage; a timing controller which outputs a polarity signal corresponding to a polarity of the data voltage; and a polarity converter which receives a common voltage from a common electrode of the display panel and the polarity signal from the timing controller, where the polarity converter outputs the polarity control signal to the data driver in response to a difference in voltage level between the common voltage from the common electrode and the polarity signal from the timing controller.
Abstract translation: 显示装置包括：显示面板，显示图像; 数据驱动器，其响应于极性控制信号向显示面板提供数据电压，其中极性控制信号控制数据电压的极性; 定时控制器，其输出与数据电压的极性对应的极性信号; 以及极性转换器，其接收来自显示面板的公共电极的公共电压和来自时序控制器的极性信号，其中极性转换器响应于公共电压之间的电压电平的差异将极性控制信号输出到数据驱动器 来自公共电极的电压和来自定时控制器的极性信号。
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公开(公告)号：US20230326426A1
公开(公告)日：2023-10-12
申请号：US18096536
申请日：2023-01-12
Applicant: Samsung Display Co., LTD.
Inventor： Geonhwi PARK , Hyunjoo SEO , Kihyun PYUN
IPC: G09G5/06
CPC classification number: G09G5/06 , G09G2320/0233 , G09G2320/0276 , G09G2320/0666 , G09G2320/0673
Abstract: A gamma correction method for a display device determines a first voltage code for a first color corresponding to each of grayscale values based on a target gamma value and a target color coordinate at a reference measurement point, generates a first lookup table including the first voltage code for the first color, determines a second voltage code for the first color corresponding to each of the grayscale values based on the target gamma value and the target color coordinate at a correction measurement point, generates a first color position correction value based on the first voltage code for the first color and the second voltage code for the first color, and performs gamma correction using the first color position correction value and the first lookup table.
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公开(公告)号：US20200258455A1
公开(公告)日：2020-08-13
申请号：US16790525
申请日：2020-02-13
Applicant: Samsung Display Co., Ltd.
Inventor： Dae-Sik LEE , Yoongu KIM , Seung Young CHOI , Keunoh KANG , Kihyun PYUN
Abstract: A light source apparatus includes a light source and a light source driver. The light source includes a plurality of scan blocks. Each scan block includes a plurality of local dimming blocks. The light source driver includes a plurality of channels configured to output light source driving signals to the plurality of local dimming blocks. The light source driving signal includes a light source intensity value representing a light intensity of a local dimming block from among the plurality of local dimming blocks and a delay value representing a degree of a delay of the local dimming block. The delay value is determined by a scan delay value varied according to the plurality of scan blocks and a delay parameter.
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