Samsung Display Co., Ltd.

Posco Led Company Ltd.

Kookmin University

Jung Hwa Kim

Moo Soon Ko

Wang Woo Lee

Jin Sung An

Ji Seon Lee

Se Wan Son

Seong Bok Yoon

Min Uk Yoo

Dae Won Kim

Jeong-Soo Lee

Dong Soo Kim

Kyoo Seok Kim

Min Su Kim

Seong Jun Lee

Je Hun Lee

Byung Du Ahn

Ji Hun Lim

Ji Wan Kim

Dong Hee Kim

Seok Jin Kang

Kyung-Rye Kim

Ji Eun Kook

Jing Jong Kim

Sun Hwa Lee

Yoon Gil Jang

Jae Woo Park

Jun Hyun Park

Gun Hee Kim

Ji Hoon Kim

Dae Hwan Kim

Ki Hyun Cho

Kyoung Won Lee

Min Woo Woo

Sei-yong Park

Yeon Hong Kim

Tae Hoon Song

Hwi Seok Yang

Byung Seon An

Hyun Kwang Jung

Jae Young Kim

Su Woon Lee

Yun Ha Kim

Jin Hyun Park

Seung Ki Kim

Yong Hui Lee

Seon Min Park

Yu Jin Heo

Won Kuk Son

Kyung Min Yun

Jin Jong Kim

A display device is disclosed. In one aspect, the display device includes a display area configured to display an image, a peripheral area neighboring the display area, and at least one test element group (TEG) including a test thin film transistor (TFT) formed in the peripheral area and a plurality of test pads electrically connected to the test TFT. The display device also includes first to third dummy circuits separated from the test TFT, each of the first to third dummy circuits including a plurality of first dummy semiconductor layers and a plurality of first dummy gate electrodes overlapping at least a portion of the first dummy semiconductor layers in the depth dimension of the display device.

Display device

An organic light-emitting diode display is disclosed. In one aspect, a semiconductor layer is on a substrate, and the semiconductor layer is non-linear. A gate metal line is on the semiconductor layer, and an insulating layer covering the semiconductor layer and the gate metal line and having a plurality of contact holes connected to the semiconductor layer. A data metal line is on the insulating layer and electrically connected to the semiconductor layer via a selected one of the contact holes. An OLED is electrically connected to the gate metal line and the data metal line, and the semiconductor layer includes a narrow semiconductor layer having a first width and an expansion semiconductor layer formed adjacent to the selected contact hole and having a second width greater than the first width.

Organic light-emitting diode (OLED) display having a semiconductor layer including a third portion extending in a third direction joining a first and second portions that extending in different directions

A display device includes a substrate and an active pattern positioned above the substrate and including a plurality of channel regions and a plurality of conductive regions. The display device includes a plurality of scan lines extending substantially in a first direction. The display device includes a data line and a driving voltage line crossing the plurality of scan lines. The display device includes a first transistor including a first channel region among the plurality of channel regions and a first gate electrode. The display device includes a first connector electrically connecting the first gate electrode of the first transistor and a first conductive region among the plurality of conductive regions to each other. The driving voltage line overlaps at least a portion of the first connector along a direction orthogonal to an upper surface of the substrate.

Display device having an emission layer

A display device includes a substrate, a switching transistor and a driving transistor positioned on the substrate, a first electrode connected to the driving transistor, a second electrode positioned on the first electrode, and a pixel definition layer positioned between the first electrode and the second electrode, where the pixel definition layer includes a first portion, and a second portion having a thickness less than that of the first portion, where a pixel opening defined in the pixel definition layer is enclosed by the first portion, and the second portion overlaps the first electrode and the second electrode.

Display device and manufacturing method thereof

A touch sensor includes: a plurality of sensor pixels; a sensor scan driver for supplying sensor scan signals to the sensor pixels through sensor scan lines; a power supply unit for supplying common voltages to the sensor pixels through common lines; and a read-out circuit connected to the sensor pixels through the common lines, the read-out circuit configured to sense a touch by using an output signal output through the common lines, wherein two sensor pixels adjacent to each other among the sensor pixels share one common line.

Touch sensor and display device including the same

A display device and a method of manufacturing the same are provided. A display device includes: a display panel including a first area, a second area, and a bending area between the first area and the second area; a first polarizing film on a first surface of the first area of the display panel; and a second polarizing film on a first surface of the second area of the display panel, and the first and second polarizing films are spaced apart from each other with the bending area therebetween.

Display device and method of manufacturing the same

An organic light emitting diode display includes a substrate, a first electrode, a second electrode, an organic emission layer positioned between the first electrode and the second electrode, a driving voltage line, a dummy electrode. The dummy electrode is positioned at the same layer as the first electrode.

Organic light emitting diode display

A pattern structure for a display device includes a substrate, a protrusion pattern on the substrate, a first conductive pattern covering an upper surface of the protrusion pattern, an interlayer insulating layer on the first conductive pattern and including a contact hole, and a second conductive pattern on the interlayer insulating layer and connected to the first conductive pattern. The contact hole overlaps the protrusion pattern and the first conductive pattern.

Pattern structure for display device and manufacturing method thereof

An optical semiconductor lighting apparatus including: a substrate in which a single LED chip or a plurality of LED chips are disposed; a first mold portion disposed on the substrate to cover the plurality of LED chips; and a second mold portion extending from an edge of the first mold portion and disposed on the substrate. The respective LED chips can improve adhesive strength with respect to the substrate through the first and second mold portions. Peeling, surface cracking and damage caused by moisture permeation can be prevented by the first and second mold portions. A fluorescent material included in the second mold portion can improve a wavelength conversion rate.

Optical semiconductor lighting apparatus

Growing community of inventors

Gunpo-si, South Korea

Jung Hwa Kim