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公开(公告)号：US11283449B2
公开(公告)日：2022-03-22
申请号：US17087476
申请日：2020-11-02
Applicant: Samsung Display Co., Ltd.
Inventor： Ki Hyun Pyun , Won Jin Seo , Eun Jin Choi
IPC: H03K19/0175 , G09G3/3233 , H04B1/04
Abstract: An interface system including: a receiver; a transmitter configured to transmit a signal including a common mode voltage to the receiver through transmission lines; and a plurality of bias circuits configured to adjust the common mode voltage of the signal, wherein the bias circuits are configured to receive a bias control bit to generate a biased common mode voltage.
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公开(公告)号：US11244596B2
公开(公告)日：2022-02-08
申请号：US17120495
申请日：2020-12-14
Applicant: Samsung Display Co., Ltd.
Inventor： Hee Sook Park , Ki Hyun Pyun
IPC: G09G3/20
Abstract: A display device includes: a gain provider configured to set a time point elapsed by a set period from a time point at which a first region of an input image is detected as a still region, as a set time, and to gradually decrease a gain value from the set time; and a grayscale converter configured to generate an output image by applying the gain value to the first region and a second region including a peripheral region of the first region among the input image, wherein the gain provider is configured to set the set period differently according to size of grayscale values in the first region.
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公开(公告)号：US11037487B2
公开(公告)日：2021-06-15
申请号：US16905237
申请日：2020-06-18
Applicant: Samsung Display Co., Ltd.
Inventor： Ki Hyun Pyun , Su Min Yang
IPC: G09G3/32
Abstract: A display device includes: a display panel including a plurality of pixels; a power supply configured to generate a gamma power voltage based on a power control signal; a gamma voltage generator configured to generate gamma voltages based on the gamma power voltage and a gamma control signal; a data driver configured to generate a data signal corresponding to a grayscale value included in image data using the gamma voltages and to provide the data signal to the pixels; and a power controller configured to adjust the power control signal and the gamma control signal based on a maximum voltage level of the data signal, wherein a voltage level of the gamma power voltage is proportional to the maximum voltage level of the data signal.
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公开(公告)号：US11024249B2
公开(公告)日：2021-06-01
申请号：US16795791
申请日：2020-02-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hoe Mi Kim , Ki Hyun Pyun
Abstract: A source driver includes an equalizer which outputs compensated image data by adjusting a frequency gain of image data, based on a selected option value among a plurality of option values. A recovery recovers a clock signal corresponding to the compensated image data. A calibrator sequentially provides the plurality of option values to the equalizer, and selects the selected option value among the plurality of option values, based on recovery rates of the clock signal, which respectively correspond to the plurality of option values.
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Patent Agency Ranking
公开(公告)号：US10917010B2
公开(公告)日：2021-02-09
申请号：US16437572
申请日：2019-06-11
Applicant: Samsung Display Co., Ltd.
Inventor： Ki Hyun Pyun , Seung Woon Shin , Jong Young Yun
Abstract: A driving voltage provider includes: a PLL circuit for generating clock signals with different phases according to a divider value; a DC-DC converter for generating a PWM signal according to the frequency of a first clock signal, and providing a driving voltage based on the duty ratio of the PWM signal; a first tuning circuit for outputting a first tuning signal having a first logic level when the logic levels of first and second sampling signals obtained by sampling the PWM signal at transition times of different clock signals are different, and outputting the first tuning signal having a second logic level when the first and second sampling signals have the same logic level; and a divider value determiner for decreasing the divider value when the logic level of the first tuning signal is the first logic level.
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公开(公告)号：US10049630B2
公开(公告)日：2018-08-14
申请号：US15006508
申请日：2016-01-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Tong Ill Kwak , Woon Yong Lim , Bong Kyun Jo , Ki Hyun Pyun , Young Uk Hwang
IPC: G09G3/36
Abstract: An image correcting unit including: a data converting unit which receives image data, and generates display data by converting respective grayscale values which are included in the image data to high pixel data and low pixel data; and a white pixel detecting unit which detects image data lines which include not less than a first number of white grayscale values from the image data, and outputs a conversion signal when not less than a second number of the detected image data lines are successively arranged, wherein upon receiving the conversion signal from the white pixel detecting unit, the data converting unit converts the white grayscale values which are included in the successively arranged image data lines to first high pixel data and first low pixel data, wherein the first high pixel data and the first low pixel data have a different value from each other.
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公开(公告)号：US10007631B2
公开(公告)日：2018-06-26
申请号：US15093489
申请日：2016-04-07
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Min Young Park , Ki Hyun Pyun
CPC classification number: G06F13/4022 , G06F12/0246 , G06F13/4282 , G06F2212/7206
Abstract: There is provided a display device including an input unit configured to connect an external device to a serial peripheral interface (SPI) through a plurality of connection lines, a switching unit configured to connect the input unit and a flash memory of a driving board to the SPI, a data register configured to output connection setting data for determining a connection state of the switching unit, and a timing controller configured to output a control signal for determining the connection setting data according to an input of a write enable line among the plurality of connection lines.
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88.发明申请公开(公告)号：US20170032753A1
公开(公告)日：2017-02-02
申请号：US15170783
申请日：2016-06-01
Applicant: Samsung Display Co., Ltd.
Inventor： Yun Mi Kim , Ki Hyun Pyun , Jang Hoon Kwak , Jong Young Yun , Eui Myeong Cho
CPC classification number: G05F1/462 , G05F1/575 , G09G3/3696 , G09G2330/00
Abstract: A power supply of the present disclosure includes: a power generator that generates a first driving voltage to be supplied to a timing controller; and a voltage compensator that performs feedback of the first driving voltage and generates a feedback voltage according to a voltage difference between the first driving voltage and a first reference voltage supplied from the power generator. In this structure, the power generator generates a second driving voltage by boosting or dropping the first driving voltage to correspond to the feedback voltage, and may supply the second driving voltage to the timing controller.
Abstract translation: 本公开的电源包括：发电机，其产生要提供给定时控制器的第一驱动电压; 以及电压补偿器，其执行第一驱动电压的反馈，并根据第一驱动电压和从发电机提供的第一参考电压之间的电压差产生反馈电压。 在这种结构中，发电机通过升高或降低第一驱动电压来产生对应于反馈电压的第二驱动电压，并且可以将第二驱动电压提供给定时控制器。
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公开(公告)号：US09449545B2
公开(公告)日：2016-09-20
申请号：US14161521
申请日：2014-01-22
Applicant: Samsung Display Co., Ltd.
Inventor： Ki Hyun Pyun , Yun Mi Kim , Min Young Park , Sung-Jun Kim , Ju Hyun Kim , Yong Jae Lee , Kyung-Hwa Lim
CPC classification number: G09G3/2074 , G09G3/3614 , G09G3/3677 , G09G2310/0289 , G09G2320/0252
Abstract: A method of reducing a time for switching a gate line driving signal of display device having plural gate lines from a level that is less than a full gate-on level to the gate-on level is disclosed. The method may include: during a gate line pre-charging period of a respective gate line, causing the gate line driving signal to be at the full gate-on level; during a corresponding gate line main-charging period that follows the pre-charging period, causing the gate line driving signal of to be at the full gate-on level; and during an interposed period that is interposed between the gate line pre-charging period and its corresponding gate line main-charging period, causing the gate line driving signal to be at an intermediate level that is between the full gate-on level and an opposed gate-off level.
Abstract translation: 公开了一种减少将具有多个栅极线的显示装置的栅极线驱动信号从小于全栅极导通电平的电平切换到栅极导通电平的方法。 该方法可以包括：在相应栅极线的栅极线预充电周期期间，使栅极线驱动信号处于完全栅极导通电平; 在预充电周期之后的相应的栅极线主充电期间，使栅极线驱动信号处于全栅极导通电平; 并且在插入在栅极线预充电周期与其对应的栅极线主充电周期之间的插入时段期间，使栅极线驱动信号处于处于完全栅极导通电平之间的中间电平， 关门水平
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