Samsung Display Co., Ltd.

Lg Display Co., Ltd.

Samsung Mobile Display Co., Ltd.

Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Min-Kyu Kim

Jong-Han Jeong

Jae-Kyeong Jeong

Tae-Kyung Ahn

Hui-Won Yang

Hyun-Joong Chung

Kwang-Suk Kim

Jin-Seong Park

Yeon-Gon Mo

Yeon-gon Mo

Jae-Wook Kang

Eun-Hyun Kim

Hyun-Soo Shin

Young-Woo Song

Chaun-Gi Choi

Jae-Heung Ha

Jong-hyuk Lee

Yeong-Gon Mo

Hun Joo Lee

Jang-Soon Im

Jae-Soon Im

Young-Ho Kim

Jae-Bon Koo

Young-Ki Kim

Yoon-Chang Kim

Jin-Ho Kwack

Hun-Jung Lee

Seong-Kweon Heo

Young-Hun Lee

Ick-Kyu Choi

Soon-Rewl Lee

Jay-Hyok Song

Yu-Mi Song

Dong-Sik Zang

Ki-Ju Im

Hee-Jung Lee

Shin-Ho Oh

Ji-Myung Na

Woon-Seop Choi

Se-Yeoul Kwon

Nam-Seok Lee

Sung-Jo Koo

Hul-Won Yang

Woo-Hyun Kang

A display device includes: a substrate having a display area and a non-display area; a lower connection line disposed in the non-display area; a bank layer disposed on the lower connection line and having an undercut structure at an edge of a lower end portion thereof; a bank etch layer disposed between the lower connection line and the bank layer and having an edge inside the edge of the lower end portion of the bank layer; and a second driving electrode disposed on the bank layer and electrically connected to the lower connection line at least once, wherein a plurality of bank holes are formed in the bank layer.

Display device including dam and crack detector

Display device having an undercut structure in a non-display area

In a method of controlling reclaim of a nonvolatile memory device including a plurality of memory blocks, wherein each of the memory blocks includes a plurality of pages, a recovery read operation is performed on first data using an optimal read voltage determined based on the first data, when the first data includes errors which are not correctable, wherein the first data is read from a first page of a first memory block of the memory blocks, and, when the errors of the first data are corrected after the recovery read operation is performed, whether to perform a reclaim of the first page is determined based on threshold voltage distributions of memory cells of the first page, wherein the memory cells are disposed in a region of interest adjacent to the optimal read voltage.

Methods of controlling reclaim of nonvolatile memory devices, methods of operating storage devices, and storage devices

The liquid crystal display device includes a display panel for displaying a picture thereon, first to (n)th upper data drive ICs for supplying pixel voltages to one side of each data line in the display panel, first to (n)th bottom data drive ICs for supplying pixel voltages to the other side of each data line, a first timing controller for generating an upper data control signal and for controlling operation of the upper data drive ICs, and a second timing controller for generating a bottom data control signal and for controlling operation of the bottom data drive ICs wherein at least one of the first and second timing controllers analyzes the picture data applied thereto and controls the polarities of the pixel voltages to be forwarded from the upper data drive ICs and the bottom data drive ICs with reference to the result of the analysis.

Liquid crystal display device and method of driving the same

A backlight driver and a method of driving the same are disclosed, which remove an unstable duty ratio by filtering an input PWM signal so as to prevent backlight flicker although the input PWM signal becomes unstable. The backlight driver includes a duty ratio detector for detecting a duty ratio of an input pulse width modulation (PWM) signal; a duty ratio filter for detecting a difference between a current duty ratio received from the duty ratio detector and a previous duty ratio, determining whether the detected duty ratio difference satisfies a preset reference condition, selecting one of the current duty ratio and the previous duty ratio, and outputting the selected duty ratio; and a PWM generator for generating an output PWM signal obtained when a selected duty ratio from the duty ratio filter is reflected in an input synchronization signal, and outputting the output PWM signal to a backlight unit.

Backlight driver of liquid crystal display device and method for driving the same to maintain stability of the duty ratio of the PWM signal driving the backlight

An organic light-emitting display device, which may be configured to prevent moisture or oxygen from penetrating the organic light-emitting display device from the outside is disclosed. An organic light-emitting display device, which is easily applied to a large display device and/or may be easily mass produced is further disclosed. Additionally disclosed is a method of manufacturing an organic light-emitting display device. An organic light-emitting display device may include, for example, a thin-film transistor (TFT) including a gate electrode, an active layer insulated from the gate electrode, source and drain electrodes insulated from the gate electrode and contacting the active layer and an insulating layer disposed between the source and drain electrodes and the active layer; and an organic light-emitting diode electrically connected to the TFT. The insulating layer may include, for example, a first insulating layer contacting the active layer; and a second insulating layer formed of a metal oxide and disposed on the first insulating layer.

Organic light-emitting display device and method of manufacturing the same

There are provided a back plane for a flat panel display and a method of manufacturing the back plane, and more particularly, a back plane for an organic light-emitting display device, which enables front light-emitting, and a method of manufacturing the back plane. The back plane for a flat panel display includes: a substrate; a gate electrode on the substrate; a first capacitor on the substrate, the first capacitor comprising a first electrode, an insulation pattern layer on the first electrode, and a second electrode on the insulation pattern layer; a first insulation layer on the substrate to cover the gate electrode and the first capacitor; an active layer on the first insulation layer to correspond to the gate electrode; and a source electrode and a drain electrode on the substrate to contact a portion of the active layer.

Back plane for flat panel display and method of manufacturing the same

A backlight driver and a method of driving the same are disclosed. The backlight driver includes a vertical synchronization signal filter for generating a second vertical synchronization signal based on an input first vertical synchronization signal, and selecting one of the first vertical synchronization signal and the second vertical synchronization signal as a third vertical synchronization signal according to whether a period difference between adjacent first vertical synchronization signals satisfies a preset threshold range, a duty ratio detector for detecting a duty ratio of an input pulse width modulation (PWM) signal, a PWM generator for generating an output PWM signal synchronized with the third vertical synchronization signal output from the vertical synchronization signal filter and having the duty ratio and outputting the output PWM signal to a backlight unit.

Backlight driver of liquid crystal display device and method of driving the same

An organic light-emitting display device, which may be configured to prevent moisture or oxygen from penetrating the organic light-emitting display device from the outside is disclosed. An organic light-emitting display device, which is easily applied to a large display device and/or may be easily mass produced is further disclosed. An organic light-emitting display device may include, for example, a thin-film transistor (TFT) including a gate electrode, an active layer insulated from the gate electrode, source and drain electrodes insulated from the gate electrode and contacting the active layer and an insulating layer disposed between the source and drain electrodes and the active layer; and an organic light-emitting diode electrically connected to the TFT. The insulating layer may include, for example, a first insulating layer contacting the active layer; and a second insulating layer formed of a metal oxide and disposed on the first insulating layer.

Organic light-emitting display device

An organic light-emitting display apparatus includes a substrate. A capacitor is formed on the substrate. The capacitor includes a first lower electrode, a second lower electrode, an upper electrode, a first insulating layer disposed between the first lower electrode and the second lower electrode, and a second insulting layer disposed between the second lower electrode and the upper electrode. A thin film transistor (TFT) includes a gate electrode disposed on a same layer as the first lower electrode, an active layer, and source and drain electrodes disposed on a same layer as the upper electrode. A wiring includes the same material layer as the second lower electrode.

Organic light-emitting display apparatus

A thin film transistor (TFT) using an oxide semiconductor as an active layer, a method of manufacturing the TFT, and a flat panel display device having the TFT include a gate electrode formed on a substrate; an active layer made of an oxide semiconductor and insulated from the gate electrode by a gate insulating layer; source and drain electrodes coupled to the active layer; and an interfacial stability layer formed on one or both surfaces of the active layer. In the TFT, the interfacial stability layer is formed of an oxide having a band gap of 3.0 to 8.0 eV. Since the interfacial stability layer has the same characteristic as a gate insulating layer and a passivation layer, chemically high interface stability is maintained. Since the interfacial stability layer has a band gap equal to or greater than that of the active layer, charge trapping is physically prevented.

Thin film transistor, method of manufacturing the same and flat panel display device having the same

An organic light emitting display and a method of manufacturing the same are disclosed. In one embodiment, the display includes a gate electrode formed over a substrate and an active layer electrically insulated from the gate electrode, wherein the gate electrode is closer to the substrate than the active layer. The display further includes i) a first gate insulating layer and a second gate insulating layer formed between the gate electrode and active layer so as to electrically insulate the active layer from the gate electrode and ii) source and drain electrodes each contacting the active layer.

Organic light emitting display and method of manufacturing the same

A method of manufacturing an IGZO active layer includes depositing ions including In, Ga, and Zn from a first target, and depositing ions including In from a second target having a different atomic composition from the first target. The deposition of ions from the second target may be controlled to adjust an atomic % of In in the IGZO layer to be about 45 atomic % to about 80 atomic %.

Thin film transistor having semiconductor active layer

The disclosed liquid crystal display device includes a display panel for displaying a picture thereon, a plurality of gate drive ICs for forwarding scan pulses for driving gate lines on the display panel, a plurality of upper data drive ICs for supplying pixel voltages to data lines on one side of the display panel respectively, a plurality of lower data drive ICs for supplying the pixel voltages to the data lines on the other side of the display panel respectively, a first timing controller for generating and supplying an upper data control signal to the upper data drive ICs for controlling operation of the upper data drive ICs, and a second timing controller for generating and supplying a lower data control signal to the lower data drive ICs for controlling operation of the lower data drive ICs.

Liquid crystal display device capable of improving charging rate to pixels

In one aspect, a back plane for a flat panel display apparatus include: a substrate; a source electrode and a drain electrode formed on the substrate; a capacitor bottom electrode formed on a same layer as the source/drain electrodes; an active layer formed on the substrate in correspondence to the source electrode and the drain electrode; a blocking layer interposed between the source electrode and the drain electrode and the active layer; a first insulation layer formed on the substrate to cover the active layer; a gate electrode formed on the first insulation layer in correspondence to the active layer; a capacitor top electrode formed on a same layer as the gate electrode in correspondence to the capacitor bottom electrode; and a second insulation layer formed on the first insulation layer to cover the gate electrode and the capacitor top electrode is provided.

Backplane for flat panel display apparatus, flat panel display apparatus including the same, and method of manufacturing backplane for flat panel display apparatus

Growing community of inventors

Yongin, South Korea

Min-Kyu Kim