Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Joo-Sun Yoon

Yong-Ho Yang

Jin-Suk Park

Seung-Gyu Tae

Bong-Ju Kim

Ki-Hun Jeong

Sang-ho Park

Ki-Wan Ahn

Seung-Min Lee

Yong-Jae Jang

Hyun-young Kim

Hyun-Young Kim

Kwang-Young Choi

Kyo-Seop Choo

Seong-Min Wang

Jong-Hyun Choi

Sung-Eun Lee

Jeong-Hwan Kim

Joung-Keun Park

Jung-Kyu Lee

Ji-Hye Moon

Jin-Taek Kim

Jaehyuk Jang

Do Hyung Kim

Young-Woo Song

Gun Hee Kim

Yun-Mo Chung

Dae-Young Lee

Sangho Park

Tae-Hyun Kim

Ki-Nyeng Kang

Joohee Jeon

Ju-Won Yoon

Sang-Ho Park

Seunghyun Park

Joo-Hee Jeon

Seung-hwan Cho

Seok-Je Seong

Hyeonsik Kim

Tae-An Seo

Pil-mo Choi

Jin-Yup Kim

Sun-Kwang Kim

Ju-Chan Park

Seung-Chan Lee

Jung-Woo Moon

Gun-Hee Kim

Kook-Chul Moon

Ki-Hong Kim

Yang-Suk Ahn

Hee-Jun Yoo

Chang-Ok Kim

Kyung-Hye Kim

Min-Sung Kwon

Hong-Gyun Kim

Young-Nam Yon

An organic light emitting display device includes: a substrate having a sub-pixel circuit region including a driving transistor region; an active pattern in the sub-pixel circuit region on the substrate, and including a bent portion having a first length in the driving transistor region, and a straight portion adjacent to the bent portion in the driving transistor region and having a second length shorter than the first length in the driving transistor region; and a sub-pixel structure on the active pattern. Accordingly, when the organic light emitting display device is driven at a low gray level, the organic light emitting display device can improve the low gray-level spot and the crosstalk while relatively reducing the power consumption.

Organic light emitting display device

An electronic apparatus includes a display panel including a base substrate, a pixel definition layer to define openings, light-emitting devices including light-emitting patterns in the openings, and an encapsulation layer covering the light-emitting device, a cover panel including a window layer, a color filter layer, and a color control layer, the color filter layer being on the window layer, the color control layer being on the color filter layer and including a quantum dot, and a refraction control layer including first refraction patterns, overlapping the light-emitting patterns, respectively, and having a first refractive index, and a second refraction pattern adjacent to the first refraction patterns and having a second refractive index that is lower than the first refractive index, wherein, when measured in a first direction, a largest width of each of the first refraction patterns is larger than a width of each of the light-emitting patterns.

Electronic apparatus with improved reliability

A pixel circuit includes an OLED, a first transistor including a gate electrode connected to a first node and an electrode connected to a third node, a capacitor including a first electrode for receiving a power supply voltage and a second electrode connected to the first node, a third transistor including a gate electrode for receiving a first gate signal, a first electrode connected to the first node, and a second electrode connected to the third node, a fourth transistor including a gate electrode for receiving a second gate signal, a first electrode connected to the first node, and a second electrode and a second gate electrode for receiving a first initialization voltage, and a seventh transistor including a gate electrode for receiving a third gate signal, a first electrode for receiving a second initialization voltage, and a second electrode connected to an anode electrode of the OLED.

Pixel circuit and display device including the same

A liquid crystal display according to an exemplary embodiment of the present invention includes a substrate, a plurality of pixels arranged in a matrix on the substrate where each pixel includes a switching element, a plurality of gate lines that are connected to the switching elements and extend in a row direction, and a gate driver that is connected to the gate lines and is formed on the substrate as an integrated circuit. In the liquid crystal display, the gate driver includes a first region and a second region that is not aligned with the first region.

Liquid crystal display

A display apparatus includes a plurality of pixels, each of the pixels including an organic light emitting diode, a first transistor providing a driving current to operate the organic light emitting diode, a second transistor including a gate electrode that receives a first scan signal, a first electrode that receives a data signal, and a second electrode electrically connected to the first electrode of the first transistor, a storage capacitor including a first electrode receiving a first power voltage and a second electrode electrically connected to the gate electrode of the first transistor, and a color accuracy enhancement transistor that applies a first back bias voltage to the first transistor in response to a color accuracy enhancement signal.

Display apparatus comprising color accuracy enhancement transistor or brightness boosting transistor

A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.

Display substrate and display apparatus including the same

Display device

A display panel includes a signal line extending in a first direction and/or a second direction crossing the first direction, a first transistor electrically connected to the signal line, and including a first active pattern and a first gate electrode, and a first electrode electrically connected to the first transistor. A plurality of openings is defined in the signal line in way such that the signal line transmits an external light therethrough.

Display panel

A transparent display device according to example embodiments includes a substrate having a pixel area and a transmission area, a pixel circuit on the pixel area of the substrate, an insulation structure on the substrate to cover the pixel circuit, a first electrode on the pixel area of the substrate, the first electrode being at least partially penetrated the insulation structure and electrically connected to the pixel circuit, a display layer on the first electrode, a second electrode facing the first electrode and covering the display layer, and an anti-diffraction layer on the substrate, the anti-diffraction layer at least partially overlapping the transmission area and including a plurality of nano wires.

Transparent display device

An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate and a plurality of pixels formed over the substrate. Each of the pixels comprises a first region configured to emit light and a second region configured to pass external light therethrough. The second regions of at least three adjacent ones of the pixels have different areas.

Organic light-emitting diode (OLED) display

An organic light emitting display device includes a plurality of pixel regions on a substrate, each having a sub-pixel region, a transmissive region and a peripheral region, a plurality of sub-pixel circuits in the sub-pixel region that control the sub-pixel region, a planarization layer that covers the sub-pixel circuits, a first electrode disposed on the planarization layer in the sub-pixel region, a second electrode disposed on the first electrode, and a plurality of wirings disposed at different levels over the substrate in the peripheral region. The wirings are arranged in at least double level configuration and include first wirings that extend in a first direction over the substrate, and second wirings that extend over the substrate in a second direction substantially perpendicular to the first direction.

Organic light emitting display devices and methods of manufacturing organic light emitting display devices

An organic light emitting display device includes a substrate, a first insulating layer, a extension of a drain electrode, a second insulating layer, a first electrode, an emission layer, and a second electrode. The substrate has a display region and a transparent region. The first insulating layer is disposed on the substrate. The extension of drain electrode is disposed on the first insulating layer. The second insulating layer is disposed on the extension of a drain electrode such that an edge portion of the extension of a drain electrode is free from overlap with the second insulating layer. The first electrode is disposed on the second insulating layer and in contact with the edge portion of the extension of a drain electrode. The emission layer is disposed on the first electrode. The second electrode is disposed on the emission layer.

An organic light emitting display device includes a substrate, a light emitting structure, and a reflective metal layer. The substrate includes a pixel region and a peripheral region. The light emitting structure is disposed on the substrate. The reflective metal layer is disposed between the substrate and the light emitting structure. The reflective metal layer includes a plurality of nanowires and a plurality of openings that is defined by the nanowires.

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Seoul, South Korea

Joo-Sun Yoon