公开(公告)号：US10789907B2

公开(公告)日：2020-09-29

申请号：US16215598

申请日：2018-12-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jun-Ho Hwang

IPC: G09G3/36 ,  G09G3/3208

Abstract: A gamma reference voltage generating circuit including a first resistor string disposed between a first reference voltage node and a second reference voltage node, a first multiplexer connected to the first resistor string and determining a level of a first gamma reference voltage, a first amplifier connected to the first multiplexer and outputting the first gamma reference voltage, a first resistor connected between an output terminal of the first amplifier and a first previous gamma voltage output node, a second resistor connected between the output terminal of the first amplifier and a first next gamma voltage output node, a first compensating resistor connected between a second previous gamma voltage output node and the present gamma voltage output node, and a second compensating resistor connected between a second next gamma voltage output node and the present gamma voltage output node.

公开(公告)号：US10152912B2

公开(公告)日：2018-12-11

申请号：US15358829

申请日：2016-11-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun-Ho Hwang

IPC: G09G3/20

Abstract: A display apparatus includes a display panel, a first data driver, a second data driver, and a first capacitor. The display panel is connected to a plurality of data lines. The first data driver is connected to first data lines among the plurality of data lines, and is configured to perform a first charge sharing for the first data lines. The second data driver is connected to second data lines among the plurality of data lines, and is configured to perform a second charge sharing for the second data lines. The first capacitor is connected to the first data driver and the second data driver. Each of the first and second charge sharings is performed using the first capacitor.

公开(公告)号：US09190008B2

公开(公告)日：2015-11-17

申请号：US13940444

申请日：2013-07-12

Applicant: Samsung Display Co., Ltd.

Inventor： Ki-Hyun Pyun ,  Jang-Hoon Kwak ,  Jung-Hoon Ku ,  Jin-Ki Kim ,  Seung-Woon Shin ,  Jun-Ho Hwang

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3677 ,  G09G2330/12

Abstract: A gate driving module includes a gate driver and a gate signal generator. The gate driver generates a vertical start signal, a plurality of gate clock signals and a plurality of inverse gate clock signals based on a vertical start control signal, a plurality of gate clock control signals, a gate on voltage, a first gate off voltage and a second gate off voltage. The number of the gate clock signals is P. The number of the inverse gate clock signals is P. The number of the gate clock control signals is P. P is a positive integer equal to or greater than two. The gate signal generator generates a gate signal based on the vertical start signal, the gate clock signals and the inverse gate clock signals.

Abstract translation: 栅极驱动模块包括栅极驱动器和栅极信号发生器。 栅极驱动器基于垂直启动控制信号，多个栅极时钟控制信号，栅极导通电压，第一栅极截止电压和第一栅极截止电压产生垂直起始信号，多个栅极时钟信号和多个反向栅极时钟信号，以及 第二栅极关断电压。 栅极时钟信号的数量为P.反向栅极时钟信号的数量为P.栅极时钟控制信号的数量为P.P为等于或大于2的正整数。 栅极信号发生器基于垂直起始信号，栅极时钟信号和反向栅极时钟信号产生栅极信号。

公开(公告)号：US09633618B2

公开(公告)日：2017-04-25

申请号：US14281388

申请日：2014-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： Young-Sun Kwak ,  Kyung Won Kang ,  Ji Hyun Kim ,  Hyeon-Do Park ,  Won Jin Seo ,  Jun-Ho Hwang

IPC: G09G5/02 ,  G09G3/36 ,  G09G5/04 ,  G09G5/06

CPC classification number: G09G3/3648 ,  G09G5/04 ,  G09G5/06 ,  G09G2320/0242 ,  G09G2320/0276 ,  G09G2330/12 ,  G09G2360/16

Abstract: An image signal modifying method is disclosed. In one aspect, the image signal modifying method includes inputting a gray level interval of a first dynamic capacitance compensation (DCC) lookup table to a current gray level which is a target in a previous image signal when it is overdriven (DTG) and 0 to a gray level of the previous image signal (PIG). The method also includes searching for a data value in an adaptive color correction (ACC) lookup table corresponding to a gray level equal to a numerical value of the DTG (ALT) and performing an algorithm based on the DTG, the ALT, and the gray level interval of the first DCC lookup table. The method further includes generating a second DCC lookup table based on the algorithm, and performing second DCC processing on the input image signal based on the second DCC lookup table.

公开(公告)号：US09564096B2

公开(公告)日：2017-02-07

申请号：US14061663

申请日：2013-10-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jun-Ho Hwang ,  Young-Sun Kwak ,  Ki-Hyun Pyun

IPC: G09G3/36

CPC classification number: G09G3/3677 ,  G09G2310/06 ,  G09G2320/0219

Abstract: A display panel driving apparatus is disclosed. In one aspect the apparatus includes a gate driving part and a data driving part. The gate driving part is configured to increase a gate signal applied to a gate line of a display panel from an OFF voltage to a ON voltage, in response to an activation of a gate clock signal. It is also configured to decrease the gate signal from the ON voltage to a kickback compensation voltage between the OFF voltage and the ON voltage through a plurality of steps in response to an activation of a kickback compensation signal. The data driving part is configured to apply a data signal to a data line of the display panel. Therefore, a data-charging rate may be increased, and thus a display quality of the display apparatus may be increased.

Abstract translation: 公开了一种显示面板驱动装置。 一方面，该装置包括门驱动部分和数据驱动部分。 栅极驱动部件被配置为响应于门时钟信号的激活而将施加到显示面板的栅极线的栅极信号从OFF电压增加到ON电压。 其还被配置为响应于反冲补偿信号的激活，通过多个步骤将门信号从ON电压减小到OFF电压和ON电压之间的反冲补偿电压。 数据驱动部被配置为将数据信号施加到显示面板的数据线。 因此，可以增加数据充电速率，从而可以提高显示装置的显示质量。

公开(公告)号：US09330586B2

公开(公告)日：2016-05-03

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: G09G3/36 ,  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。

公开(公告)号：US11452207B2

公开(公告)日：2022-09-20

申请号：US17215111

申请日：2021-03-29

Applicant: Samsung Display Co., Ltd.

Inventor： Jun-Ho Hwang ,  Jang-Mi Lee

IPC: H05K1/14 ,  H01L27/32 ,  G02F1/1345 ,  H01L51/00 ,  H05K1/02

Abstract: A flexible circuit film including a first flexible film, a second flexible film facing the first flexible film, and a plurality of wirings arranged between the first flexible film and the second flexible film. The wirings have different widths and bend in different directions, and a guide film including a material more rigid than the first and second flexible films is arranged on ends of the first flexible film. The guide film includes a tear-preventing portion overlapping with a bending portion of a shortest one of the wirings while covering portions of an inner edge near inner corners of a U-shaped flexible circuit film.

公开(公告)号：US09691337B2

公开(公告)日：2017-06-27

申请号：US14459200

申请日：2014-08-13

Applicant: Samsung Display Co., LTD.

Inventor： Ho-In Kim ,  Young-Sun Kwak ,  Jun-Ho Hwang

IPC: G09G3/36 ,  G02F1/1335 ,  G09G3/00

CPC classification number: G09G3/3607 ,  G02F1/1336 ,  G09G3/006 ,  G09G3/3648 ,  G09G2320/0233 ,  G09G2320/0276 ,  G09G2320/0673

Abstract: A digital gamma correction part includes a memory and a selector. The memory is configured to store a basic gamma reference data, a first compensated gamma reference data and a second compensated gamma reference data, where respective data of the first compensated gamma reference data are greater than respective data of the basic gamma reference data, and respective data of the second compensated gamma reference data are less than respective data of the basic gamma reference data. The selector is configured to receive a luminance data determined based on a luminance of a display panel, and to output a gamma reference data by selecting one from the basic gamma reference data, the first compensated gamma reference data and the second compensated gamma reference data based on the luminance data and a gamma converted reference range.

公开(公告)号：US09647050B2

公开(公告)日：2017-05-09

申请号：US14549780

申请日：2014-11-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jun-Ho Hwang ,  Jang-Mi Lee

IPC: H01L27/32 ,  H05K1/02 ,  H01L51/00 ,  H05K1/14

CPC classification number: H05K1/147 ,  G02F1/1345 ,  H01L27/3276 ,  H01L51/0097 ,  H01L2251/5338 ,  H05K1/028 ,  H05K1/0281 ,  H05K2201/10128 ,  H05K2201/10136 ,  H05K2201/2009 ,  Y02E10/549

Abstract: A flexible circuit film includes a first flexible film, a second flexible film facing the first flexible film, a plurality of wirings arranged between the first flexible film and the second flexible film and extending in a first direction, then bending to extend in a second direction crossing the first direction, and then bending a second time to extend in an opposing direction to the first direction, and a guide film including a material more rigid than the first and second flexible films and arranged on an ends of the first flexible film. The guide film includes a tear-preventing portion overlapping with a bending portion of a shortest one of the wirings while covering portions of an inner edge near inner corners of a U-shaped flexible circuit film.

公开(公告)号：US09280926B2

公开(公告)日：2016-03-08

申请号：US14155959

申请日：2014-01-15

Applicant: Samsung Display Co., Ltd.

Inventor： Jun-Ho Hwang ,  Kihyun Pyun ,  Seung-Woon Shin ,  Jang-Mi Lee

IPC: G09G3/36 ,  G06F3/038 ,  G09G5/00 ,  G09G3/20

CPC classification number: G09G3/2092 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2370/08

Abstract: A control board in a display device includes terminals and a control circuit. The control circuit is configured to output a control signal an image signal through the terminals and to generate a drive voltage in response to a feedback signal, which is fed back to a second terminal of the terminals when a source voltage is applied to a first terminal of the terminals.

Abstract translation: 显示装置中的控制板包括端子和控制电路。 控制电路被配置为通过端子输出图像信号的控制信号，并且响应于反馈信号产生驱动电压，反馈信号在将源电压施加到第一端子时被反馈到端子的第二端子 的终端。