公开(公告)号：US09799285B2

公开(公告)日：2017-10-24

申请号：US14724192

申请日：2015-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Eun Jang ,  Seung-Hwan Moon ,  Sung-In Kang ,  Kyun-Ho Kim ,  Min-Ho Park ,  Shim-Ho Yi ,  Go-Eun Cha

IPC: G09G5/10 ,  G09G3/36 ,  G09G3/34

CPC classification number: G09G3/3648 ,  G09G3/3406 ,  G09G3/3614 ,  G09G2320/0219 ,  G09G2320/0242 ,  G09G2320/0285 ,  G09G2320/0673 ,  G09G2360/16

Abstract: A display apparatus includes a display panel which displays an image, a compensation area determiner which divides a display area of the display panel into a compensation area and a normal area, a compensation coefficient determiner which determines a compensation coefficient corresponding to input data of the compensation area, a compensation look up table which stores a noise compensation data which compensates a luminance difference of the compensation area by an interference noise of a light-source driving signal, and a correction data calculator which calculates a correction data corresponding to the input data of the compensation area using the compensation coefficient and the noise compensation data.

公开(公告)号：US10147384B2

公开(公告)日：2018-12-04

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

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.

公开(公告)号：US10056051B2

公开(公告)日：2018-08-21

申请号：US14807662

申请日：2015-07-23

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Eun Jang ,  Go-Eun Cha ,  Ji-Hye Choi ,  Hoi-Sik Moon ,  Jae-Seok Choi ,  Shim-Ho Yi ,  Jong-Hee Na ,  Woo-Young Lee ,  Woo-Jin Jung ,  Kang-Hyun Kim ,  Jun-Il Park ,  Jung-Suk Han ,  Jae-Seob Chung

IPC: G09G3/36 ,  G09G5/10 ,  G09G5/18

CPC classification number: G09G3/3648 ,  G09G2320/0673 ,  G09G2360/16

Abstract: A display apparatus includes a gamma controller configured to determine whether the target pixel unit is driven in both time division method and space division method based on a plurality of comparison values and a reference condition, and an output controller configured to generate normal gamma-data of the target pixel unit using a normal gamma curve if the plurality of comparison values satisfy the reference condition and to generate high gamma-data and low gamma-data of the target pixel unit using a high gamma curve and a low gamma curve in both time division method and space division method if the plurality of comparison values do not satisfy the reference condition.