Samsung Display Co., Ltd.

June-Woo Lee

Kwan-Wook Jung

Jae-Beom Choi

Moo-Jin Kim

Guang-Hai Jin

Guang Hai Jin

Ga-Young Kim

Jong-Hyun Choi

Kwang-Hae Kim

Seong-Jun Kim

Jae-Hwan Oh

Joon-Hoo Choi

Seong-Hyun Jin

Jee-Hoon Kim

Sung-Soo Choi

Chun-Gi You

Se-Hun Park

Won-Kyu Lee

Hae-Yeon Lee

Gun-Shik Kim

Dae-Hyun No

Hyung-Gi Jung

Jeong-Young Lee

Sok Lee

Dong-Gyu Kim

Jae-Ho Lee

Do-Young Kim

Sun Young Park

Beohm-Rock Choi

Sung-Ho Kim

Na-Young Kim

Jong-Moo Huh

Myung-Koo Hur

Chul-Kyu Kang

Do-Hyun Kwon

In-Ho Choi

Ju-Won Yoon

Hyun-Been Hwang

Young-Jin Chang

Woo-Sik Jun

Hee-Kyung Kim

Na-young Kim

Jin-Gon Oh

Kyoung-Bo Kim

Ho-Young Kim

An organic light emitting diode (OLED) display includes a light-emitting region including an organic emission layer and a non-light-emitting region neighboring the light-emitting region. The OLED display includes a first electrode positioned at the light-emitting region and including a plurality of division regions divided according to a virtual cutting line crossing the light-emitting region, an organic emission layer positioned on the first electrode, a second electrode positioned on the organic emission layer, a driving thin film transistor connected to the first electrode, and a plurality of input terminals positioned at the non-light-emitting region and respectively connecting between each of division regions and the driving thin film transistor.

Organic light emitting diode display device and method for repairing organic light emitting diode display

An organic light emitting diode display apparatus and a method and apparatus for easily inspecting the organic light emitting diode display apparatus to determine whether an electrical failure occurs. The organic light emitting diode display apparatus comprises a plurality of pixels each comprising a pixel electrode, an intermediate layer including an organic emission layer, and an opposite electrode; scan lines and data lines corresponding to the plurality of pixels; first power supply lines connected to the plurality of pixels and extending in a first direction; second power supply lines connected to the first power supply lines; and a control line unit for simultaneously supplying control signals to the plurality of pixels, the control line unit including a plurality of control lines extending in one direction and two common lines being respectively connected to both ends of each of the plurality of control lines.

Organic light emitting diode display apparatus and method and apparatus for inspecting the same

An organic light-emitting display having an improved aperture ratio, the organic light-emitting display including a rear electrode, an opposite electrode, and a pixel electrode between the rear electrode and the opposite electrode. Here, an insulating layer is interposed between the pixel electrode and the rear electrode, wherein the pixel electrode, the insulating layer, and the rear electrode are configured as a capacitor of the organic light-emitting display. In such a structure, as the capacitor is disposed in a light-emitting area where the pixel electrode exists, it is not necessary to provide an additional space for a capacitor, thus improving an aperture ratio of the display.

Organic light-emitting display and method of manufacturing the same

A thin film transistor (TFT) array substrate is provided that includes a TFT on a substrate. The TFT can include an active layer, gate electrode, source electrode, drain electrode, first insulating layer between the active layer and the gate electrode, and second insulating layer between the gate electrode and the source and drain electrodes. A pixel electrode is disposed on the first and second insulating layers. A capacitor including a lower electrode is disposed on a same layer as the gate electrode and an upper electrode. A third insulating layer directly between the second insulating layer and the pixel electrode and between the lower electrode and the upper electrode. A fourth insulating layer covers the source electrode, the drain electrode, and the upper electrode, and exposes the pixel electrode and can further expose a pad electrode.

Method of manufacturing thin film transistor (TFT) array substrate

A device for inspecting an organic light-emitting display apparatus includes a power supply unit, a power receiving unit, a wiring location sensing unit, and a control unit. The power supply unit applies an AC signal to each of wirings arranged in the organic light-emitting display apparatus. The power receiving unit senses an electrical signal from each of the wirings. The wiring location sensing unit senses a location of each of the wirings. The control unit determines whether each of the wirings has a defect based on the sensed electrical signal and information pertaining to each wiring type of the wirings.

Apparatus and method for inspecting an organic light-emitting display apparatus

A method of inspecting a short circuit defect between first wires extending in a first direction and a second direction intersecting the first direction and second wires extending in the first or second direction, the method including inspecting a short circuit defect between the first and second wires by using a potential difference monitored only in the second wires.

Apparatus and method for inspecting short circuit defects

An organic light emitting diode (OLED) display includes a substrate where a plurality of pixels are formed, a first pixel defining layer on the substrate, the first pixel defining layer dividing the plurality of pixels, a connection wire on the first pixel defining layer, the connection wire electrically connecting two adjacent pixels, and a second pixel defining layer on the first pixel defining layer, the second pixel defining layer covering the connection wire.

Method for manufacturing organic light emitting display device

A gate driving apparatus includes a first stage which outputs a first gate output signal, and a second stage which outputs a second gate output signal. The first stage includes: a transistor which includes a gate electrode, a source electrode and a drain electrode; and a dummy transistor which includes a dummy gate electrode, a dummy source electrode and a dummy drain electrode. The gate electrode receives the second gate output signal, and the dummy source electrode is connected to the source electrode or the drain electrode of the transistor and prevents static electricity from flowing to the first stage.

Gate-driving apparatus and display device including the same

A selective crystallization method includes placing a first substrate including first crystallization regions on a second substrate including second crystallization regions such that the first crystallization regions and the second crystallization regions are arranged alternately, and crystallizing the alternately-arranged first crystallization regions and the second crystallization regions with a laser beam. A laser crystallization apparatus can be used in the selective crystallization method.

Selective crystallization method and laser crystallization apparatus used in the selective crystallization method

A display apparatus is disclosed. The apparatus includes a plurality of unit pixels each comprising a plurality of sub pixels, a plurality of scan wires, and a plurality of scan lines branching off from each of the scan wires and extending in a first direction. The number of scan lines from each scan wire equals the number of sub pixels for each pixel, and each scan line connects one of the scan wires with one of the sub pixels of each of a plurality of unit pixels. The apparatus also includes a plurality of data lines extending in a second direction orthogonal to the first direction and which are connected to the plurality of sub pixels. The apparatus also includes a first power supply line extending in the second direction and connected to the sub pixels, and a plurality of test pads, each connected to the scan lines of one of the scan wires.

Display apparatus and method of detecting short-circuit failure of the display apparatus

A method for testing an array, by using an array testing device for detecting a voltage distribution formed on an array substrate, includes resetting pixel voltages of a plurality of pixel circuits formed on the array substrate with a predetermined voltage, detecting the voltage distribution of the array substrate, generating a correction value for correcting the voltage distribution of the array substrate, and measuring a threshold voltage of a driving transistor included in the plurality of pixel circuits formed on the array substrate by applying the correction value.

Array testing method and device

A method of forming an organic light-emitting display in which a pixel electrode is formed by extending from source and drain electrodes, a capacitor including a thin upper capacitor electrode formed below the pixel electrode and constituting a metal-insulator-metal (MIM) CAP structure, thereby simplifying manufacturing processes, increasing an aperture ratio, and improving a voltage design margin.

Method of manufacturing an organic light-emitting display device

A scan driving circuit includes a shift register configured to sequentially output a first scan signal to scan lines through respective first output lines during a first section of a frame period, a simultaneous switching block configured to simultaneously output a second scan signal to the scan lines through respective second output lines during a second section of the frame period, the first and second periods of the frame period being different from each other, a switching device electrically connected to the second output line, and a repair line across the first output line and the second output line.

Scan driving circuit and method of repairing the same

An organic light emitting display device includes a pixel unit including a plurality of pixels formed in regions where a plurality of scan lines and a plurality of data lines cross each other, a first scan driving unit detecting a defect of the plurality of pixels by sequentially applying a first test signal to the plurality of scan lines, and a second scan driving unit detecting a defect of the plurality of pixels by simultaneously applying a second test signal to the plurality of scan lines.

Organic light emitting display device

Growing community of inventors

Yongin, South Korea

June-Woo Lee