公开(公告)号：US20160063962A1

公开(公告)日：2016-03-03

申请号：US14755241

申请日：2015-06-30

Applicant: Samsung Display Co., LTD.

Inventor： Suhyeong PARK ,  Kyoungwon LEE ,  Hoyong JUNG ,  Cheolwoo PARK ,  Bonghyun YOU

IPC: G09G5/18

CPC classification number: G09G3/3611 ,  G09G3/3666 ,  G09G3/3685 ,  G09G3/3696 ,  G09G2310/0221 ,  G09G2310/0281 ,  G09G2330/02 ,  G09G2330/021 ,  G09G2330/022 ,  G09G2370/08

Abstract: A display apparatus includes: a timing control block which outputs image data based on external image data and control signals, and generates data and gate-side control signals based on the external control signal; a source drive block which converts the image data into a data voltage based on the data control signal; a low frequency detection block which detects a low power drive period based on the external control signal and generates a power control signal, a state of which is determined based on a result of the detection; an integrated chip which receives first and second drive voltages and includes a first switch block that turns off a circuit of the source drive block based on the power control signal during the low power drive period; a gate drive circuit which generates a gate signal based on a gate control signal from the integrated chip; and a display panel.

Abstract translation: 显示装置包括：定时控制块，其基于外部图像数据和控制信号输出图像数据，并且基于外部控制信号生成数据和门极控制信号; 源驱动块，其基于数据控制信号将图像数据转换为数据电压; 低频检测块，其基于所述外部控制信号检测低功率驱动周期，并产生其状态基于所述检测结果确定的功率控制信号; 接收第一和第二驱动电压的集成芯片，并且包括在低功率驱动周期期间基于功率控制信号关闭源驱动块的电路的第一开关块; 栅极驱动电路，其基于来自所述集成芯片的栅极控制信号生成栅极信号; 和显示面板。

公开(公告)号：US20160035306A1

公开(公告)日：2016-02-04

申请号：US14685344

申请日：2015-04-13

Applicant: Samsung Display Co., Ltd.

Inventor： Suhyeong PARK ,  KyoungWon LEE ,  Hoyong JUNG ,  Sangmi KIM ,  Jimyoung SEO ,  Hyundae LEE ,  Heesoon JEONG ,  Cheolwoo PARK ,  Bonghyun YOU

IPC: G09G3/36 ,  G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3696 ,  G09G3/3648 ,  G09G2320/103 ,  G09G2330/021 ,  G09G2340/0435

Abstract: A display apparatus includes a display panel configured to display an image, a data driver including a voltage generator configured to convert an image data applied thereto to a data voltage and a buffer configured to apply the data voltage to the display panel, a timing controller including a mode controller configured to generate a mode selection signal on the basis of an image frame rate of the image data. The data driver is configured to be operated in a power cut-off mode or a stand-by mode in response to the mode selection signal. The driving voltage switch is configured to cut off the analog driving voltage applied to at least one of the buffer and the voltage generator during the power cut-off mode and the bias controller is configured to reduce a bias current in the stand-by mode.

Abstract translation: 显示装置包括被配置为显示图像的显示面板，包括电压发生器的数据驱动器，所述电压发生器被配置为将施加到其上的图像数据转换为数据电压;以及缓冲器，被配置为向显示面板施加数据电压;定时控制器， 模式控制器，被配置为基于图像数据的图像帧率生成模式选择信号。 数据驱动器被配置为响应于模式选择信号而以停电模式或待机模式操作。 驱动电压开关被配置为在断电模式期间切断施加到缓冲器和电压发生器中的至少一个的模拟驱动电压，并且偏置控制器被配置为减小备用模式中的偏置电流。

公开(公告)号：US20160284287A1

公开(公告)日：2016-09-29

申请号：US15050190

申请日：2016-02-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jaehyun CHO ,  Hongsoo KIM ,  Bon-seog GU ,  Sehyuk PARK ,  Cheolwoo PARK ,  Ahyoung SON

IPC: G09G3/36 ,  G09G3/34

CPC classification number: G09G3/3607 ,  G09G3/2003 ,  G09G3/3413 ,  G09G3/3426 ,  G09G2320/0242 ,  G09G2320/0261 ,  G09G2320/062 ,  G09G2360/16

Abstract: A display apparatus comprises a display panel comprising a plurality of dimming areas, a light source unit configured to supply light to the display panel, a timing controller configured to receive a control signal and input data and to generate a gate control signal, a data control signal, and a light source control signal, a display panel driving unit configured to drive the display panel based on the gate and data control signals, and a light source driving unit configured to drive the light source unit based on the light source control signal, wherein based on the input data, the timing controller is configured to determine a first color of at least any one dimming area among the dimming areas and a second color in a complementary color relationship to the first color and to supply information on the first and second colors to the light source driving unit.

Abstract translation: 显示装置包括：显示面板，包括多个调光区域;光源单元，被配置为向显示面板提供光;定时控制器，被配置为接收控制信号和输入数据并产生门控制信号，数据控制 信号和光源控制信号;显示面板驱动单元，被配置为基于所述栅极和数据控制信号驱动所述显示面板;以及光源驱动单元，被配置为基于所述光源控制信号驱动所述光源单元， 其中，基于所述输入数据，所述定时控制器被配置为确定所述调光区域中的至少任一个调光区域的第一颜色和与所述第一颜色的互补色关系的第二颜色，并且提供关于所述第一和第二颜色的信息 颜色到光源驱动单元。

公开(公告)号：US20160042695A1

公开(公告)日：2016-02-11

申请号：US14665896

申请日：2015-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Suhyeong PARK ,  Nam-Gon CHOI ,  Cheolwoo PARK

IPC: G09G3/34

CPC classification number: G09G3/3614 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2300/0814 ,  G09G2300/0842 ,  G09G2310/027 ,  G09G2310/0297

Abstract: A display apparatus includes a latch circuit configured to generate a second data value from a first data value, wherein the bit count of the second data value is greater than the bit count of the first data value, a digital-analog converter configured to convert the second data value into gray scale voltages, an output buffer unit configured to amplify the current level of the gray scale voltages to generate data voltages, a data switch circuit configured to invert the polarity of the data voltages every frame, and a display panel including a plurality of pixels driven with the data voltages supplied from the data switch circuit in response to sequential application of gate signals.

Abstract translation: 显示装置包括：锁存电路，被配置为从第一数据值产生第二数据值，其中第二数据值的位数大于第一数据值的位数;数模转换器，被配置为将 将第二数据值转换为灰度级电压，输出缓冲器单元，被配置为放大灰度级电压的当前电平以产生数据电压;数据开关电路，被配置为反转每帧数据电压的极性;以及显示面板， 响应于栅极信号的顺序施加，由数据开关电路提供的数据电压驱动的多个像素。