Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Kakao Corporation

Other

Jung Taek Kim

Joon Suk Baik

Kyun Ho Kim

Se Keun Lee

Sang Su Han

Hyung Keun Park

Moon Seung Yang

Jae Woo Ryu

Min-Hee Choi

Seok Hoon Kim

Ryong Ha

Pan Kwi Park

Seo Jin Jeong

Yong Jin Shin

Seong Jun Kim

Jae Hoon Lee

Joon Chul Goh

Young Soo Sohn

Seung Mo Kang

Yong Seung Kim

Hyo Jin Ham

Hong Kyu Kim

Eung Ju Park

Yoon Sup Kim

Eun Hye Choi

Ji Hwi Park

Eun Hye Lee

Na Yeon Kim

Do Hyun Go

Seok Pil Lee

Ki Hyun Pyun

Eun Ho Lee

Seung Ho Park

Kyoung Ho Lim

Chang Ho Park

Young Soo Yoon

Dae Gwang Jang

Cheol Woo Park

Yun Ki Baek

Sung Mo Yang

Su Hyeong Park

Uk Jae Jang

Byeong Doo Kang

Ji Woong Jeong

Dong Ki Eun

Yoon Ju Kim

Dae Gil Kim

Jun Jae Kim

Young Joon Ryu

Hyang Deok Yim

Seong Hark Kang

Choon Taek Kim

Se Jong Seo

Dong Kuk Woo

Ki Yong Sim

Hyun Seok Hwang

Young Dai Gwun

A display device may include a display panel including first and second pixels respectively connected to first and second sensing lines, a sensing driver including a sensing channel shared by the first and the second sensing lines, and a controller configured to control the display panel and the sensing driver. The controller may be configured to, in a first time period, electrically disconnect the sensing channel from the first and the second sensing lines, and reflect electrical characteristics of the first and the second pixels in the first and the second sensing lines, respectively, as sensing voltages, and in a second time period, record the sensing voltages reflected in the first and the second sensing lines in the sensing channel by time-sharing.

Display device and method for monitoring operation of pixels

A display device includes a pixel that has a first transistor having a drain electrode that is connected to a first power voltage node and a source electrode that is connected to a second power voltage node, a second transistor connected between a data line and a gate electrode of the first transistor, and a third transistor connected between a sensing line and the source electrode of the first transistor, a data driver applying a bias voltage to the data line during a sensing period, a sensing driver sensing an electrical characteristic of the pixel through the sensing line during the sensing period, and a controller for adjusting the bias voltage according to the first power voltage according to input image data.

Display device and driving method thereof

Disclosed is a method for operating and participating in a voice chat room subordinate to a message chat room is disclosed. The method for operating a voice chat room subordinate to a message chat room includes: managing, by a server, messages transmitted and received through the message chat room in which a first user and a second user participate; receiving, by the server, a request for creation of the voice chat room subordinate to the message chat room from the first user; creating, by the server, the voice chat room in response to the received request for creation of the voice chat room; providing, by the server, information that the voice chat room is being operated to the second user through the message chat room; providing, by the server, information that the voice chat room is being operated to the second user through a message chat room list.

Method for operating voice chat room dependent on message chat room, and server and terminal for performing the same

A semiconductor device includes an active pattern including a lower pattern and a plurality of sheet patterns; a gate structure disposed on the lower pattern and surrounding the plurality of sheet patterns; and a source/drain pattern filling a source/drain recess formed on one side of the gate structure. The source/drain pattern includes a first semiconductor pattern extending along the source/drain recess and contacting the lower pattern, a second and third semiconductor patterns sequentially disposed on the first semiconductor pattern, a lower surface of the third semiconductor pattern is disposed below a lower surface of a lowermost sheet pattern, a side surface of the third semiconductor pattern includes a planar portion, and a thickness of the second semiconductor pattern on the lower surface of the third semiconductor pattern is different from a thickness of the second semiconductor pattern on the planar portion of the side surface of the third semiconductor pattern.

Semiconductor device having multi-bridge channel field-effect transistor including source/drain pattern with a plurality of semiconductor patterns

A display device includes a plurality of pixels, a power supply, a voltmeter, and a timing controller. The power supply is configured to generate an initialization voltage to be supplied to a sensing pixel among the pixels. The voltmeter is configured to measure a first value of the initialization voltage supplied to the sensing pixel during an active period of a frame period and a second value of the initialization voltage supplied to the sensing pixel during a vertical blank period of the frame period. The timing controller is configured to generate rewrite image data that is supplied to the sensing pixel during the vertical blank period. The rewrite image data is generated from image data applied to the pixels during the active period and a difference between the first and second values.

Display device

A semiconductor device includes a multi-channel active pattern, a plurality of gate structures on the multi-channel active pattern and spaced apart from each other in a first direction, the plurality of gate structures including a gate electrode that extends in a second direction different from the first direction, a source/drain recess between the adjacent gate structures, and a source/drain pattern on the multi-channel active pattern in the source/drain recess, wherein the source/drain pattern includes: a semiconductor liner layer including silicon-germanium and extending along the source/drain recess, a semiconductor filling layer including silicon-germanium on the semiconductor liner layer, and at least one or more semiconductor insertion layers between the semiconductor liner layer and the semiconductor filling layer, and wherein the at least one or more semiconductor insertion layers have a saddle structure.

Semiconductor devices

A display device includes: a plurality of pixel blocks each including a plurality of pixels; a scan driver supplying a scan signal to the scan lines and to supply a control signal to the control lines; a data driver supplying an image data voltage or a low grayscale data voltage to the data lines; and a power supply supplying a reference voltage to the pixels, wherein the pixels are configured to receive the image data voltage during a first scan period of a frame, and to receive the low grayscale data voltage during a second scan period of the frame, and the reference voltage supplied to a first pixel row of at least one of the pixel blocks in the first scan period is different from the reference voltage supplied to a last pixel row of at least one of the pixel blocks in the first scan period.

A display device, includes: a scan driver configured to sequentially supply scan signals having a turn-on level to the first scan line and the second scan line during a first period and to concurrently supply scan signals having a turn-on level to the first scan line and the second scan line during a second period after the first period, wherein: a mask period corresponds to a difference between a start point of the second period and a start point of the first period in a next frame period, a first frame period and a second frame period have different mask periods, a third frame period between the first frame period and the second frame period has a same mask period as the first frame period, and a fourth frame period between the first frame period and the second frame period has a same mask period as the second frame period.

Semiconductor device

A semiconductor device includes an active pattern which includes a lower pattern, and a sheet pattern that is spaced apart from the lower pattern in a first direction, a gate structure on the lower pattern that includes a gate electrode that surrounds the sheet pattern, the gate electrode extending in a second direction that is perpendicular to the first direction, and a source/drain pattern on the lower pattern and in contact with the sheet pattern. A contact surface between the sheet pattern and the source/drain pattern has a first width in the second direction, and the sheet pattern has a second width in the second direction that is greater than the first width.

A display device includes a processor which supplies grayscale data in active periods of frame periods and stops supply of the grayscale data in blank periods of the frame periods, a timing controller which generates a change signal when a difference between a first blank period of a first frame period and a second blank period of a second frame period is greater than a threshold value, a power supply which supplies a first power voltage having a voltage level changed based on the change signal to a first power line, and pixels commonly connected to the first power line.

Display device and method of driving the same

A display device includes: a pixel connected to each of a first scan line, a second scan line, and a data line; a scan driver supplying a first scan signal to the first scan line and a second scan signal to the second scan line; a controller dividing one frame period into an active period and a blank period and generating a count signal in which a time duration of the blank period is counted and a power control signal; a data driver supplying a data signal to the data line; and a power supply controlling a source driving voltage supplied to the data driver according to a duration of the blank period based on the power control signal. When the count signal reaches a reference value, the controller supplies a start signal for output of the first scan signal to the scan driver.

Variable frequency display device

Growing community of inventors

Yongin-si, South Korea

Jung Taek Kim