Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Kwan-Wook Jung

Jae-Beom Choi

June-Woo Lee

Moo-Jin Kim

Guang-Hai Jin

Guang Hai Jin

Jang-Kun Song

Jung-Ho Lee

Bo-Sung Kim

Kwang-Hae Kim

Yong-Woo Choi

Joong-Hyun Mun

Hyo-Rak Nam

Ga-Young Kim

Wan-Shick Hong

Seong-Jun Kim

Dong-Gyu Kim

Dae-Ho Choo

Jae-Hwan Oh

Sang-Gab Kim

Jee-Hoon Kim

Jong-Hyun Choi

Seong-Hyun Jin

Seung-Gyu Tae

Sung-Soo Choi

Mun-Pyo Hong

Sung-Hoon Yang

Bo Sung Kim

Hyun-young Kim

Young-Jin Chang

Se-Hun Park

Pil-mo Choi

Jea-Eun Ryu

Dong-Hyuk Kim

Kyung-Sang Goo

Joon-Hoo Choi

Sang-Hoon Lee

Na-Young Kim

Jung-Yun Kim

Seung-Hwan Shim

Ho-Suk Maeng

Dae-Jin Kwon

Oh-Seob Kwon

Hyung-Don Na

Ung-sik Kim

Keun-woo Park

Seock-Cheon Song

Kyu-Ha Jung

Jin-Woo Park

Chun-Gi You

Jong-Hyun Park

Jun-Woo Lee

Won-Kyu Lee

Hae-Yeon Lee

Chung Yi

In-Ho Choi

Hoon-Kee Min

Hee-Kyung Kim

Na-young Kim

Deok-Hoi Kim

Dong-Cheol Kim

Hun-Tae Kim

Jae-Bok Lee

Kyong-Hun Cho

Woo-Jae Lim

Dae-ho Choo

Ho-Young Kim

James Lim

A substrate for a display device is disclosed. In one aspect, the substrate includes an active layer that is formed on substantially the entire portion of the bottom substrate and comprises a first area and a second area with a higher carrier concentration than the first area. The substrate also includes a line overlapping with the first area and a contact electrode that electrically connects the line to the second area of the active layer.

Substrate for display device, display device including the substrate, and method of manufacturing the display device

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 (OLED) display is disclosed. The OLED display includes a substrate, a scan line on the substrate and configured to transfer a scan signal, a data line crossing the scan line and configured to transfer a data signal, a driving voltage line crossing the scan line or the data line and configured to transfer a driving voltage, a switching thin film transistor (TFT) connected to the scan line and the data line, a driving TFT connected to the switching TFT and the driving voltage line, an OLED connected to the driving TFT, and a storage capacitor connected to the driving voltage line and a driving gate electrode of the driving TFT. The storage capacitor includes a first storage capacitor plate that overlaps the driving voltage line.

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

A liquid crystal display with two insulating substrates. A first insulating substrate has crossing signal lines, a pixel electrode, and a drain electrode electrically connected to the pixel electrode through a contact hole. A spacer is formed on the first signal line of the first insulating substrate, and is wider at a first portion close to the first insulating substrate than at a second portion close to the second insulating substrate, and the drain electrode comprises a first portion and a second portion extending in a different direction with respect to the first portion.

Liquid crystal display including a variable width spacer element and method for fabricating 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 thin film transistor (TFT) substrate, an organic light-emitting display apparatus including the TFT substrate, and a method of manufacturing the TFT substrate that enable simple manufacturing processes and a decrease in the interference between a capacitor and other interconnections are disclosed. The TFT substrate may include a substrate, a TFT arranged on the substrate, the TFT including an active layer, a gate electrode, a source electrode, and a drain electrode, a pixel electrode electrically connected to one of the source electrode and the drain electrode, and a capacitor including a lower capacitor electrode and an upper capacitor electrode, the lower capacitor electrode formed from the same material as the active layer and arranged on the same layer as the active layer, and the upper capacitor electrode formed from the same material as the pixel electrode.

Thin-film transistor substrate, method of manufacturing same, and organic light-emitting display apparatus including thin-film transistor substrate

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 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 driving method of a display device is disclosed. According to one aspect, the method includes applying a first voltage of a predetermined level to an anode of a plurality of organic light emitting diodes (OLEDs) included in a plurality of pixels. A plurality of driving transistors are driven to be connected to the plurality of OLEDs. The method further includes transmitting a first power source voltage of a logic high level to the anode of the plurality of OLEDs as a threshold voltage to compensate a threshold voltage of the plurality of driving transistors, and applying a data voltage to a plurality of pixels as a data writing step turning on a plurality of driving transistors. The second power source voltage applied to the cathode of the plurality of OLEDs is changed to a second voltage of the logic low level in a state in which a plurality of driving transistors are turned on. In the turned on state, light is emitted from the plurality of OLEDs.

Display device and active matrix driving method thereof

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

Growing community of inventors

Yongin, South Korea

Kwan-Wook Jung