公开(公告)号：US20250095525A1

公开(公告)日：2025-03-20

申请号：US18643641

申请日：2024-04-23

Applicant: Samsung Display Co., LTD.

Inventor： JUN-HO HWANG ,  HYUNGJUN AN

IPC: G09G3/00 ,  G09G3/20

Abstract: In a method of determining a gate voltage of a display device, gamma reference voltages including a black data voltage are determined by performing a multi-time programming (MTP) operation on the display device, copy mura pattern data are provided to the display device, a luminance curve of the gate voltage is obtained by measuring luminance of the display device while gradually changing the gate voltage, a peak gate voltage is determined corresponding to a peak point of the luminance curve, and a final gate voltage is determined based on the black data voltage and the peak gate voltage.

公开(公告)号：US20170186389A1

公开(公告)日：2017-06-29

申请号：US15358829

申请日：2016-11-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JUN-HO HWANG

IPC: G09G3/36 ,  G09G3/34

CPC classification number: G09G3/2092 ,  G09G2310/0221 ,  G09G2310/027 ,  G09G2310/0275

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：US20170039981A1

公开(公告)日：2017-02-09

申请号：US15063847

申请日：2016-03-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JUN-HO HWANG ,  HO-IN KIM ,  SHIM-HO YI

IPC: G09G3/36 ,  H02M3/07

CPC classification number: G09G3/3696 ,  G09G3/3611 ,  G09G2300/0426 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2330/02

Abstract: A boosting voltage generator includes a switching circuit, a control circuit and a boosting circuit. The switching circuit is connected to a first input terminal receiving a first frame signal and a second input terminal receiving a second frame signal, and generates a first switching signal and a second switching signal based on a voltage at the first input terminal and a voltage at the second input terminal. The second frame signal has a phase opposite to that of the first frame signal. The control circuit is connected to the first and second input terminals, and selectively connects the first and second input terminals with a ground voltage based on a mode selection signal. The boosting circuit generates a first boosting voltage and a second boosting voltage based on the first switching signal, the second switching signal, a first feedback voltage and a second feedback voltage.

Abstract translation: 升压电压发生器包括开关电路，控制电路和升压电路。 开关电路连接到接收第一帧信号的第一输入端子和接收第二帧信号的第二输入端子，并且基于第一输入端子处的电压和第一输入端子的电压产生第一开关信号和第二开关信号 第二输入端。 第二帧信号具有与第一帧信号的相位相反的相位。 控制电路连接到第一和第二输入端子，并且基于模式选择信号选择性地将第一和第二输入端子与接地电压连接。 升压电路基于第一开关信号，第二开关信号，第一反馈电压和第二反馈电压产生第一升压电压和第二升压电压。

公开(公告)号：US20160078825A1

公开(公告)日：2016-03-17

申请号：US14696884

申请日：2015-04-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： HO-IN KIM ,  WON-JIN SEO ,  JUN-HO HWANG

IPC: G09G3/36

CPC classification number: G09G3/3607 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2320/0276 ,  G09G2320/0673

Abstract: In a method of testing a display apparatus, a plurality of minimum compensation data for a plurality of grayscales, respectively and a plurality of maximum compensation data for the plurality of grayscales, respectively are determined. The display apparatus includes a display panel displaying an image having the plurality of grayscales. A plurality of grayscale compensation data corresponding to the plurality of grayscales, respectively are set based on the plurality of minimum compensation data and the plurality of maximum compensation data. A flicker characteristic with respect to the plurality of grayscales is measured based on the plurality of grayscale compensation data and test images displayed on the display panel. The flicker characteristic is optimized by selectively changing the plurality of grayscale compensation data based on the measured flicker characteristic.

Abstract translation: 在显示装置的测试方法中，分别确定多个灰度级的多个最小补偿数据和多个灰度级的多个最大补偿数据。 显示装置包括显示具有多个灰度的图像的显示面板。 分别基于多个最小补偿数据和多个最大补偿数据来设定与多个灰度级对应的多个灰阶补偿数据。 基于显示面板上显示的多个灰阶补偿数据和测试图像来测量相对于多个灰度级的闪烁特性。 通过基于所测量的闪烁特性选择性地改变多个灰度补偿数据来优化闪烁特性。