Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Lg Display Co., Ltd.

Industrial Cooperation Foundation Chonbuk National University

Chonbuk National University

Seunghee Lee

Minku Lee

Seungbeom Park

Daewon Kim

Ji-Hyun Ka

Hai-Jung In

Joosun Yoon

Ji-hoon Kim

Kiwan Ahn

Taeho Kim

Wonkyu Kwak

Ho Sub Lim

Wal Jun Kim

Suk Ho Choi

Kwang-Hyun Kim

Keunchan Oh

Chul Kyu Kang

Tae-Chan Kim

Youn Hak Jeong

Nuree Um

Yong-Suk Tak

Jihyun Ka

Yun Sik Jang

Geunwoo Kim

Hyun Cheol Kim

Mihae Kim

Beong-hun Beon

Haijung In

Kyonghwan Oh

Sang-Jae Kim

Minjeong Kim

Kyunghoon Kim

Kyu-Min Kyung

Yongmin Jeong

Kyeonghwa Kim

Jaedu Noh

Daeyun Kim

Seungwoo Jang

Taemin Kim

Soongi Kwon

Gihoon Yang

Hyunbae Park

Hyeongjun Jin

Teawon Kim

Hyun Ji Cha

Youngjin Noh

Yurim Kim

Kwanghyuk Bae

Ohchul Kwon

Seulgee Lee

Donggeun Shin

Sangho An

Sung-Mo Gu

Teaseog Um

Young Eun Choi

Guiheum Choi

Mijin Han

Seonju Oh

Changhyun Ryu

Youngwon Kim

Jounho Lee

Sanghoon Oh

GwanYoung Na

Sung Min Kim

Hai-jung In

Yun-Sik Yoo

Chi Youn Chung

Kyungki Kim

Minsu Kang

Inyoung Cho

A display device includes: a display panel including pixels; a data driver configured to output data voltages to the pixels; a gate driver configured to output a write gate signal to write the data voltages to the pixels having an inactivation level in a frame stop period; a timing controller configured to control the data driver and the gate driver; and a voltage generator configured to apply a first bias voltage to first pixels to which the data voltages are written before the frame stop period among the pixels, and to apply a second bias voltage to second pixels to which the data voltages are written after the frame stop period among the pixels.

Display device

A display device can include a display panel having a plurality of pixels disposed therein. Each of the plurality of pixels includes a light-emitting element configured to emit light by a drive current, a driving transistor disposed between a first node and a third node and configured to control the drive current flowing through the light-emitting element from a first power line through which a first power voltage is provided to a second power line through which a second power voltage is provided, a first transistor connected between the third node and a second node, a second transistor connected between a data line and the first node and configured to apply a data voltage to the first node, and a third transistor connected between the first power line and the first node and configured to apply the first power voltage to the first node.

A semiconductor memory device includes a bit line, a channel pattern including a horizontal channel portion on the bit line and a vertical channel portion vertically protruding from the horizontal channel portion, a word line on the horizontal channel portion and on a sidewall of the vertical channel portion, and a gate insulating pattern between the word line and the channel pattern. The channel pattern includes an oxide semiconductor and includes first, second, and third channel layers sequentially stacked. The first to third channel layers include a first metal, and the second channel layer further includes a second metal different from the first metal. At least a portion of the first channel layer contacts the bit line.

Semiconductor memory device

A stage of a gate driver includes: a first node controller and a second node controller. The first node controller includes a first control transistor connected between a first node and a second node, and the first control transistor includes a first gate and a second gate that are connected to a first voltage input terminal for receiving a first voltage of an on-voltage level. The second node controller includes a second control transistor connected between a third node and a second voltage input terminal for receiving a second voltage of an off-voltage level, and the second control transistor includes a first gate connected to the first node and a second gate connected to the second voltage input terminal.

Gate driver

An emissive display device includes: a light emitting diode; an n-type driving transistor comprising a first driving gate electrode, a first electrode receiving a driving voltage, a second electrode transferring an output current to the anode, and a second driving gate electrode; a second transistor connected to a data line; a third transistor configured to connect the first electrode and the first driving gate electrode of the driving transistor; a storage capacitor comprising a first storage electrode and a second storage electrode connected to the first driving gate electrode; a ninth transistor transferring an overlapping electrode voltage to the second driving gate electrode; an overlapping electrode voltage line crossing the data line and receiving the overlapping electrode voltage; and a shielding electrode at an intersection of the data line and the overlapping electrode voltage line and between the data line and the overlapping electrode voltage line.

Emissive display device

A pixel includes a display element, a driving transistor, a storage capacitor, a scan transistor, and a gate control circuit. The display element may emit light for an emission period, wherein the display element includes an anode and a cathode. The driving transistor may control an amount of a driving current flowing through the display element, wherein the driving transistor includes a first gate and a second gate. The storage capacitor is electrically connected to the first gate of the driving transistor. The scan transistor may be turned on for a data-write period for transferring a data voltage to the driving transistor. The lower gate control circuit may electrically connect the second gate of the driving transistor to the anode of the display element for the emission period, and may apply a bias voltage to the second gate of the driving transistor for the data-write period.

Pixel and display apparatus

A light emitting display device includes: a light emitting diode at a display area, and including an anode and a cathode; a pixel circuit at the display area, and to transmit an output current to the anode of the light emitting diode; a repair line extending in a first direction; a repair pixel circuit connected to the repair line; a bridge including one end overlapping with the repair line; and a connecting portion connected to the anode, and including one end overlapping with the bridge. The bridge is not connected to the repair line, the connecting portion, and the anode.

Light emitting panel

A display panel includes an electrostatic protection circuit including a first protection circuit electrically connected between a first signal line and a second signal line. The first protection circuit includes a first transistor connected between the first signal line and the second signal line and including a gate electrode and a lower gate electrode, a first resistor connected between the gate electrode of the first transistor and the second signal line, a first capacitor connected between the gate electrode of the first transistor and the second signal line, and a second capacitor connected between the lower gate electrode of the first transistor and the second signal line. The lower gate electrode of the first transistor receives a reference voltage.

Display panel and display device including same

A color-converting substrate includes a color-converting part including a wavelength-converting particle configured to change a wavelength of an incident light to emit a light having a color different from the incident light, a color filter pattern filtering the light emitted from the color-converting part, and a light-reflective layer disposed between the color-converting part and the color filter pattern to selectively reflect a light having a wavelength same as the wavelength of the incident light.

Color-converting substrate and display device including the same

A display apparatus includes a substrate including a transmitting area, a display area surrounding the transmitting area, a first non-display area disposed between the transmitting area and the display area, and a second non-display area surrounding the display area. A plurality of pixels is arranged in the display area. A set of 2n connection wirings (where n is a positive integer) is disposed in the first non-display area and each of the 2n connection wirings extends along at least a part of an edge of the transmitting area. Each of a plurality of voltage wirings extends in a first direction and is connected to at least some of pixels disposed in a common row from among the plurality of pixels. Each of the plurality of voltage wirings is connected to one of the 2n connection wirings.

Display apparatus having a transmitting area

An embodiment includes a substrate treating apparatus comprising: a tape supply member configured to supply a tape to be attached to a substrate; a tape collection member configured to collect a surplus tape that remains after the tape is attached to the substrate; a support member disposed between the tape supply member and the tape collection member and configured to support the substrate while the tape is attached to the substrate; and a temperature adjustment member configured to adjust a temperature of the tape that is supplied from the tape supply member to the support member.

Substrate treating apparatus and substrate treating method

A liquid crystal display apparatus includes a liquid crystal display panel including an array substrate, an opposite substrate and a liquid crystal layer, a first polarizing plate disposed on an outer surface of the array substrate and including a first transmission axis, a second polarizing plate disposed on an outer surface of the opposite substrate and including a second transmission axis, a phase difference film disposed between the second polarizing plate and the liquid crystal layer, and a backlight unit providing light to the first polarizing plate. The phase difference film has an in-plane retardation value of about 120 nm to about 150 nm and a thickness retardation value of about 240 nm to about 300 nm.

Liquid crystal display apparatus

An inspection apparatus for detecting a defect of a substrate is provided. The inspection apparatus includes a liquid crystal modulator, a light emitting unit, a beam splitter, and a measurement unit. The liquid crystal modulator includes a reflection layer, a liquid crystal layer, an electrode, and a polarizer. The reflection layer reflects a light. The sensor layer includes a hybrid aligned nematic liquid crystal. The electrode is provided on the liquid crystal layer. The polarizer is provided on the electrode.

Liquid crystal modulator for detecting a defective substrate and inspection apparatus having the same

A depth camera includes a sensor unit receiving a reflected light and in response thereto outputting an electrical sensing signal; and a synchronization information calculation unit calculating a performance index with reference to the sensing signal, and with reference to the performance index, generating synchronization information for synchronizing a demodulation clock for sensing the received reflected light. The sensor unit adjusts the frequency and/or phase of the demodulation clock with reference to the synchronization information.

Depth camera, multi-depth camera system and method of synchronizing the same

Growing community of inventors

Hwaseong-si, South Korea

Seunghee Lee