公开(公告)号：US20120287732A1

公开(公告)日：2012-11-15

申请号：US13106321

申请日：2011-05-12

Applicant: Gi-Hong Kim ,  John D. Porter

Inventor： Gi-Hong Kim ,  John D. Porter

IPC: G11C7/00 ,  G11C8/00 ,  G11C8/10 ,  H03K3/00

CPC classification number: H03K17/162 ,  G11C7/1057 ,  G11C7/1096 ,  G11C7/12 ,  G11C8/08 ,  G11C8/10 ,  G11C11/419

Abstract: Apparatus and methods for driving a signal are disclosed. An example apparatus includes a pre-driver circuit and a driver circuit. The pre-driver circuit includes a step-down transistor and the driver circuit includes a pull-down transistor configured to be coupled to a reference voltage. In a first mode, the step-down transistor is configured to reduce a voltage provided to the pull-down transistor to less than a supply voltage, and in a second mode, the step-down transistor configured to provide the voltage of the supply voltage to the pull-down transistor. The pre-driver circuit of the example signal driver circuit may further include a step-up transistor configured to increase a voltage provided to a pull-up transistor of the driver circuit to greater than the reference voltage, and in the second mode, the step-up transistor configured to provide the voltage of the reference voltage to the pull-up transistor.

Abstract translation: 公开了用于驱动信号的装置和方法。 示例性设备包括预驱动器电路和驱动器电路。 预驱动器电路包括降压晶体管，并且驱动器电路包括被配置为耦合到参考电压的下拉晶体管。 在第一模式中，降压晶体管被配置为将提供给下拉晶体管的电压降低到小于电源电压，并且在第二模式中，降压晶体管被配置为提供电源电压 到下拉晶体管。 示例性信号驱动器电路的预驱动电路还可以包括升压晶体管，其被配置为将提供给驱动器电路的上拉晶体管的电压增加到大于参考电压，并且在第二模式中，步骤 该晶体管被配置为向上拉晶体管提供参考电压的电压。

公开(公告)号：US20080150873A1

公开(公告)日：2008-06-26

申请号：US12004520

申请日：2007-12-21

Applicant: Gi-Hong Kim

Inventor： Gi-Hong Kim

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G3/3655 ,  G09G2320/0247 ,  G09G2340/16

Abstract: A liquid crystal display device driven by a N-line inversion driving method, in which N odd horizontal lines and N even horizontal lines are alternately driven, wherein N is a natural number larger than 1, includes a liquid crystal panel including pixels, gate and data drivers providing gate driving signals and data signals to the pixels, a timing controller receiving control signals and video signals from an outer system and controlling the gate and data drivers according to the control signals, wherein the timing controller changes an order of the video signals every frame and supplies the video signals to the data driver, a frame memory unit connected to the timing controller and storing the video signals of each frame, and a common voltage generator providing a common voltage to the liquid crystal panel.

Abstract translation: 由N线反转驱动方法驱动的液晶显示装置，其中N个奇数水平线和N个偶数水平线被交替驱动，其中N是大于1的自然数，包括：液晶面板，包括像素，栅极和 向像素提供门驱动信号和数据信号的数据驱动器，定时控制器，接收来自外部系统的控制信号和视频信号，并根据控制信号控制门和数据驱动器，其中定时控制器改变视频信号的顺序 并将视频信号提供给数据驱动器，连接到定时控制器并存储每帧视频信号的帧存储器单元，以及向液晶面板提供公共电压的公共电压发生器。

公开(公告)号：US07253856B2

公开(公告)日：2007-08-07

申请号：US10134694

申请日：2002-04-30

Applicant: Gi-Hong Kim ,  Hyung-Ki Hong

Inventor： Gi-Hong Kim ,  Hyung-Ki Hong

IPC: G02F1/1333

CPC classification number: G02F1/136209 ,  G02F2001/133757

Abstract: A liquid crystal display device includes first and second substrates facing and spaced apart from each other, a common electrode on an inner surface of the first substrate, a gate line on an inner surface of the second substrate, a data line crossing the gate line, a switching device connected to the gate and data lines, a first pixel electrode connected to the switching device and spaced apart from the data line, a black matrix covering the data line and having a first portion width extending from a center line of the data line to a first edge of the black matrix, and a second portion width different from the first portion width extending from the center line of the data line to a second edge of the black matrix opposite to the first edge of the black matrix, and a liquid crystal material layer interposed between the first pixel electrode and common electrode.

Abstract translation: 液晶显示装置包括彼此面对并彼此分开的第一和第二基板，第一基板的内表面上的公共电极，第二基板的内表面上的栅极线，与栅极线交叉的数据线， 连接到栅极和数据线的开关装置，连接到开关装置并与数据线间隔开的第一像素电极，覆盖数据线的黑矩阵，并具有从数据线的中心线延伸的第一部分宽度 到与黑矩阵的第一边缘不同的第二部分宽度，以及从数据线的中心线延伸到与黑矩阵的第一边缘相反的黑矩阵的第二边缘的第一部分宽度的第二部分宽度，以及液体 晶体材料层插入在第一像素电极和公共电极之间。

公开(公告)号：US20070152945A1

公开(公告)日：2007-07-05

申请号：US11479368

申请日：2006-06-29

Applicant: Ki Park ,  Gi-Hong Kim ,  Seong Cho

Inventor： Ki Park ,  Gi-Hong Kim ,  Seong Cho

IPC: G09G3/36

CPC classification number: G09G3/3413 ,  G09G3/3611 ,  G09G2310/0235 ,  G09G2310/0237 ,  G09G2310/08 ,  G09G2320/041 ,  G09G2320/064 ,  G09G2330/021

Abstract: Disclosed are a liquid crystal display, which can increase a design margin upon designing a driving timing chart, improve picture quality characteristics and reduce power consumption, and a method for driving the same. The liquid crystal display of a field sequential color type comprises an LCD panel having a plurality of pixels arranged in a matrix form defined by gate lines and data lines crossing each other, a sub-field time setting unit for selecting 1 horizontal period according to an externally input frame frequency and a first user-set signal and determining a wait period and a flash period corresponding to the 1 horizontal period according to second and third user-set signals, a timing controller for producing and outputting a gate control signal and a data control signal corresponding to the 1 horizontal period and the wait period and a light source control signal corresponding to the wait period and a re-aligned pixel data, a gate driver for sequentially outputting a scan pulse to the gate lines according to the gate control signal, a data driver for outputting a data voltage to the data lines every 1 horizontal period according to the data control signal, and a backlight unit for sequentially outputting red, green and blue light to the pixels, respectively, according to the control of the timing controller.

Abstract translation: 公开了一种液晶显示器，其可以在设计驱动时序图，提高图像质量特性和降低功耗的同时增加设计裕度，以及驱动时间图的方法。 场顺序彩色类型的液晶显示器包括具有以栅极线和彼此交叉的数据线限定的矩阵形式布置的多个像素的LCD面板，用于根据图像形成装置选择1个水平周期的子场时间设定单元 外部输入帧频和第一用户设置信号，并根据第二和第三用户设置信号确定对应于1个水平周期的等待周期和闪光周期;定时控制器，用于产生和输出门控制信号和数据 对应于1个水平周期和等待周期的控制信号和对应于等待周期的光源控制信号和重新对准的像素数据;栅极驱动器，用于根据栅极控制信号顺序地向栅极线输出扫描脉冲 ，用于根据数据控制信号每1个水平周期向数据线输出数据电压的数据驱动器，以及用于后续的背光单元 根据时序控制器的控制，将红色，绿色和蓝色光分别输出到像素。

公开(公告)号：US06490211B2

公开(公告)日：2002-12-03

申请号：US10038014

申请日：2002-01-02

Applicant: Dong-Il Seo ,  Gi-Hong Kim

Inventor： Dong-Il Seo ,  Gi-Hong Kim

IPC: G11C700

CPC classification number: G11C11/4091 ,  G11C7/06

Abstract: A dynamic random access memory device includes a circuit for generating sense amplification activation signals applied to sense amplifier circuits. The circuit changes the slopes of the activation signals according to variation of a power supply voltage. According to the present invention, the peak current the sense amplifier circuits use when the power supply voltage increases, is reduced, so that the sense amplifier circuits create less noise in the memory device.

公开(公告)号：USD530758S1

公开(公告)日：2006-10-24

申请号：US29229010

申请日：2005-05-03

Applicant: Gi-Hong Kim

Designer： Gi-Hong Kim

公开(公告)号：US08681566B2

公开(公告)日：2014-03-25

申请号：US13106321

申请日：2011-05-12

Applicant: Gi-Hong Kim ,  John D. Porter

Inventor： Gi-Hong Kim ,  John D. Porter

IPC: G11C11/34 ,  G11C8/00 ,  G11C16/06

CPC classification number: H03K17/162 ,  G11C7/1057 ,  G11C7/1096 ,  G11C7/12 ,  G11C8/08 ,  G11C8/10 ,  G11C11/419

Abstract: Apparatus and methods for driving a signal are disclosed. An example apparatus includes a pre-driver circuit and a driver circuit. The pre-driver circuit includes a step-down transistor and the driver circuit includes a pull-down transistor configured to be coupled to a reference voltage. In a first mode, the step-down transistor is configured to reduce a voltage provided to the pull-down transistor to less than a supply voltage, and in a second mode, the step-down transistor configured to provide the voltage of the supply voltage to the pull-down transistor. The pre-driver circuit of the example signal driver circuit may further include a step-up transistor configured to increase a voltage provided to a pull-up transistor of the driver circuit to greater than the reference voltage, and in the second mode, the step-up transistor configured to provide the voltage of the reference voltage to the pull-up transistor.

Abstract translation: 公开了用于驱动信号的装置和方法。 示例性设备包括预驱动器电路和驱动器电路。 预驱动器电路包括降压晶体管，并且驱动器电路包括被配置为耦合到参考电压的下拉晶体管。 在第一模式中，降压晶体管被配置为将提供给下拉晶体管的电压降低到小于电源电压，并且在第二模式中，降压晶体管被配置为提供电源电压 到下拉晶体管。 示例性信号驱动器电路的预驱动电路还可以包括升压晶体管，其被配置为将提供给驱动器电路的上拉晶体管的电压增加到大于参考电压，并且在第二模式中，步骤 该晶体管被配置为向上拉晶体管提供参考电压的电压。

公开(公告)号：US08588022B2

公开(公告)日：2013-11-19

申请号：US13217070

申请日：2011-08-24

Applicant: John David Porter ,  Gi-Hong Kim

Inventor： John David Porter ,  Gi-Hong Kim

IPC: G11C7/00

CPC classification number: G11C11/40615 ,  G11C5/147 ,  G11C8/08 ,  G11C8/10 ,  G11C11/402 ,  G11C11/406 ,  G11C11/4085 ,  G11C2211/4065 ,  G11C2211/4067

Abstract: Apparatuses, memory section control circuits, and methods of refreshing memory are disclosed. An example apparatus includes a plurality of memory sections and a plurality of memory section control circuits. Each memory section control circuit is coupled to a respective one of the plurality of memory sections and includes a plurality of access line drivers, each of which includes a plurality of transistors having common coupled gates. During an operation of the apparatus a first voltage is provided to the commonly coupled gates of the transistors of at least some of the access line drivers of the memory section control circuit coupled to an active memory section and a second voltage is provided to the commonly coupled gates of the transistors of the access line drivers of the memory section control circuit coupled to an inactive memory section control circuit, wherein the first voltage is greater than the second voltage.

Abstract translation: 公开了设备，存储器部分控制电路和刷新存储器的方法。 示例性设备包括多个存储器部分和多个存储器部分控制电路。 每个存储器部分控制电路耦合到多个存储器部分中的相应一个，并且包括多个存取线驱动器，每个存取线驱动器包括具有公共耦合栅极的多个晶体管。 在装置的操作期间，将第一电压提供给耦合到有源存储器部分的存储器部分控制电路的至少一些存取线驱动器的晶体管的共同耦合的栅极，并且第二电压被提供给共同耦合的 存储器部分控制电路的存取线驱动器的晶体管的栅极耦合到非活动存储器部分控制电路，其中第一电压大于第二电压。

公开(公告)号：US20130051171A1

公开(公告)日：2013-02-28

申请号：US13217070

申请日：2011-08-24

Applicant: John David Porter ,  Gi-Hong Kim

Inventor： John David Porter ,  Gi-Hong Kim

IPC: G11C11/402 ,  G11C8/08

CPC classification number: G11C11/40615 ,  G11C5/147 ,  G11C8/08 ,  G11C8/10 ,  G11C11/402 ,  G11C11/406 ,  G11C11/4085 ,  G11C2211/4065 ,  G11C2211/4067

Abstract: Apparatuses, memory section control circuits, and methods of refreshing memory are disclosed. An example apparatus includes a plurality of memory sections and a plurality of memory section control circuits. Each memory section control circuit is coupled to a respective one of the plurality of memory sections and includes a plurality of access line drivers, each of which includes a plurality of transistors having common coupled gates. During an operation of the apparatus a first voltage is provided to the commonly coupled gates of the transistors of at least some of the access line drivers of the memory section control circuit coupled to an active memory section and a second voltage is provided to the commonly coupled gates of the transistors of the access line drivers of the memory section control circuit coupled to an inactive memory section control circuit, wherein the first voltage is greater than the second voltage.

公开(公告)号：US07825889B2

公开(公告)日：2010-11-02

申请号：US11107769

申请日：2005-04-15

Applicant: Gi-Hong Kim ,  Jong-Hoon Woo

Inventor： Gi-Hong Kim ,  Jong-Hoon Woo

IPC: G09G3/36 ,  G02F1/133

CPC classification number: G09G3/3696 ,  G09G3/3648 ,  G09G2310/0235 ,  G09G2320/0242 ,  G09G2320/041

Abstract: A temperature-compensating circuit for a liquid crystal display device includes a temperature-sensing unit that measures the temperature of the liquid crystal display device and the surrounding ambient temperature. The temperature-sensing unit outputs a gate voltage-converting signal using the measured temperature. A DC/DC converting unit generates a plurality of converted gate signals using the gate voltage-converting signal. Absolute values of the plurality of converted gate signals are different from each other.

Abstract translation: 一种用于液晶显示装置的温度补偿电路包括测量液晶显示装置的温度和周围环境温度的温度检测单元。 温度检测单元使用测量的温度输出栅极电压转换信号。 DC / DC转换单元使用栅极电压转换信号产生多个转换的栅极信号。 多个转换的栅极信号的绝对值彼此不同。