Samsung Display Co., Ltd.

Samsung Mobile Display Co., Ltd.

Korea Advanced Institute of Science and Technology

Korea University Research and Business Foundation

Postech Academy-industry Foundation

Won-Jun Song

Sun-Hee Lee

Mu-Hyun Kim

Kwan-Hee Lee

Yeun-Joo Sung

Moon-Jae Lee

Jae-Bok Kim

Young-Hee Lee

Sung-Soo Koh

Jung-Ha Son

Boo-Young Jun

Tae-Kyu Shim

Hye-Lim Shin

Ji-Young Kim

Hye-Dong Kim

Dae-Yup Shin

Seung-Wook Chang

Soon-Ryong Park

Myeong-Suk Kim

Tae-Woo Lee

Nam-Choul Yang

Sam-Il Kho

Jun-Sik Oh

Byoung-Ki Choi

Ji-young Kim

Mie-Hwa Park

Jin-Goo Kang

Sun-hee Lee

Gyu-Tae Kim

Min-Hyung Lee

Myung-hwan Kim

Il-Soo Park

Min-Ho Park

Hye Dong Kim

Jung-Jin Yang

Keon-Ha Choi

Hee-Chang Park

Mun-Chae Yoon

Boris Kristal

Tae-Woong Yoon

Young-Kyu Do

Kang-Mun Lee

Hye-Jin Bae

Sun-Hye Lee

Yoon-Kyoo Lee

A method of inspecting the quality of an organic light-emitting diode (OLED) and an inspecting system for performing the method are disclosed. In one aspect, the method includes applying an input voltage to the OLED, measuring an OLED voltage across the OLED and an OLED current flowing through the OLED, estimating a parameter of the OLED based at least in part on the OLED voltage and the OLED current, and extracting a physical characteristic of the OLED based at least in part on the parameter.

Method of inspecting quality of organic light-emitting diode and inspecting system for performing the method

A touch screen display apparatus including a sensor unit to sense and to process light signals and a pixel unit to drive pixels according to the light signal processing performed by the sensor unit. The touch screen display apparatus includes a substrate; a plurality of pixel units disposed on the substrate, wherein each of the pixel units includes a first electrode, a second electrode, and an emission layer interposed between the first electrode and the second electrode; and a plurality of sensor units disposed on the substrate, wherein each of the sensor units includes a sensor first electrode, a sensor second electrode, and an organic light receiving layer interposed between the sensor first electrode and the sensor second electrode.

Touch screen display apparatus and method of manufacturing the same

Provided is an organic light-emitting device including a plurality of pixels, each including a first sub-pixel, a second sub-pixel, and a third sub-pixel having different colors from each other. Each of the pixels includes a substrate, a first electrode layer on the substrate, a first light-emitting layer disposed on the first electrode in the first, second and third sub-pixels, an auxiliary layer disposed on the first light-emitting layer in the second and third sub-pixels, a second light-emitting layer disposed on the auxiliary layer in the second sub-pixel, a third light-emitting layer disposed on the auxiliary layer in the third sub-pixel, and a second electrode layer on the first, second, and third light-emitting layers.

Organic light-emitting device

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Carborane compound, organic light-emitting diode including the same and flat display device including organic light-emitting diode

An organic light-emitting diode including a first electrode; a second electrode facing the first electrode; an emission layer interposed between the first electrode and the second electrode; a first hole transport layer including a first hole transporting compound; a second hole transport layer including a second hole transporting compound, the first and second hole transport layers being interposed between the first electrode and the emission layer; an electron transport layer interposed between the emission layer and the second electrode; a first mixing layer interposed between the first electrode and the first hole transport layer, contacting the first hole transport layer, and including the first hole transporting compound and a first cyano group-containing compound; and a second mixing layer interposed between the first electrode and the second hole transport layer, contacting the second hole transport layer, and including the second hole transporting compound and a second cyano group-containing compound.

Organic light-emitting diode and flat display device including the same

An organic light emitting device including: a first electrode, a hole injection layer on the first electrode, a hole transport layer on the hole injection layer, an organic light emitting layer on the hole transport layer, a first electron transport layer on the organic light emitting layer, a second electron transport layer on the organic light emitting layer, an electron injection layer on the second electron transport layer and a second electrode on the electron injection layer, where the first electron transport layer includes a first material for improving a thermal stability, a second material for improving a luminous efficiency and a third material for reducing a driving voltage, and the second electron transport layer is laminated with the first electron transport layer, and the second electrode faces the first electrode.

Organic light emitting device having stacked electron transport layers

An organic light-emitting display device comprises a substrate, an anode electrode formed on the substrate, an organic layer formed on the anode electrode, a cathode electrode formed on the organic layer, and an organic capping layer formed on the cathode electrode and containing a capping organic material and a rare-earth material which has higher oxidizing power than the material which forms the cathode electrode.

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

A method is used for measuring injection energy associated with an organic light emitting diode display device. The method includes disposing the display panel inside a chamber and controlling temperature inside the chamber. The method further includes determining a plurality of electric current values corresponding to a plurality of temperature values for each voltage value of plurality of voltage values, the plurality of voltage values being associated with voltages provided to the organic light emitting member. The method further includes calculating a plurality of injection energy values using the plurality of electric current values and the plurality of temperature values.

Method and apparatus for measuring injection energy of organic light emitting diode display

An organic light emitting diode (OLED) display according to an exemplary embodiment of the present invention includes: a switching transistor configured to perform a switching operation according to a scan signal; a driving transistor configured to supply a driving current according to a data signal transmitted according to the switching operation of the switching transistor; an organic light emitting element electrically connected with the driving transistor and configured to emit light according to the driving current; a resistor having a first end connected with an anode of the organic light emitting element; and a bypass wire connected with a second end of the resistor.

Organic light emitting diode display

A touch screen display apparatus for easily sensing the touch of a user. The touch screen display apparatus includes: a substrate; a display unit formed on the substrate; and a touch panel disposed to face the display unit, where the touch panel comprises a sealing substrate, a first electrode formed on the sealing substrate, a second electrode spaced apart from the first electrode, and a light receiving unit comprising an organic material interposed between the first electrode and the second electrode.

Touch screen display apparatus

An organic electro-luminescent display device includes a substrate, a pixel electrode on the substrate, and a pixel define layer covering edges of the pixel electrode and having an opening to expose the pixel electrode, a surface of the pixel define layer facing the opening being bent at a predetermined curvature.

Organic electro-luminescent display device

An organic light-emitting device including: a substrate; a transparent cathode on the substrate; an anode disposed opposite to the cathode; an emission layer between the cathode and the anode; and a first electron transport layer between the cathode and the emission layer and including an imidazole derivative.

Organic light-emitting device comprising first electron transport layer comprising DMBI derivative

Metal wiring structure, organic light-emitting display device

Provided are a photosensor, a photosensor apparatus including the photosensor, and a display apparatus including the photosensor apparatus. The photosensor includes a substrate; a first light receiving layer which is formed on the substrate and comprises an oxide; a second light receiving layer which is connected to the first light receiving layer and comprises an organic material; and first and second electrodes which are respectively connected to the first and second light receiving layers.

Photosensor, photosensor apparatus including the photosensor, and display apparatus including the photosensor apparatus

Metal wiring structure, organic light-emitting display device and method of manufacturing the organic light-emitting display device

Growing community of inventors

Yongin, South Korea

Won-Jun Song