Samsung Display Co., Ltd.

Kwang Taek Hong

Jin Taek Kim

Jin Woo Lee

Jin Yeong Kim

Mi Jin Park

Ki Nyeng Kang

Hee Keun Lee

Su Min Choi

Sung-Jin Lee

Sang Ho Park

Tae Hoon Yang

Jong Chan Lee

Sang Jun Park

Soo Hyun Moon

Hyun Wook Lee

Sung Jin Lee

Jung Eun Hong

Yeon Hong Kim

Hong Joon Moon

Tae Hee Lee

Seung Min Lee

Hyun Yeul Lee

Jong Hyuk Kang

Ki Bum Kim

Hyun Deok Im

Do Yeong Park

Tae Woo Kim

Woong Hee Jeong

Jeong Hyun Lee

Myeong Hun Song

Ock Soo Son

Hwa Sung Woo

Jong Hwan Cha

Jun Yeong Park

A display device including a substrate, a bank pattern extending in a first direction on the substrate, a first electrode on the bank pattern, a second electrode on the substrate, a first insulating layer on the first electrode and the second electrode, a light emitting element on the first insulating layer, and including a first end on the first electrode, and a second end on the second electrode, a first connection electrode contacting the first end of the light emitting element, and a second connection electrode contacting the second end of the light emitting element, wherein the bank pattern overlaps the first electrode and does not overlap the second electrode.

Display device

A display device includes an emission area and a subarea located at a side of the emission area in a first direction, a first electrode extending in the first direction across the emission area and the subarea, a second electrode spaced from the first electrode in a second direction, the second electrode extending in the first direction, a first insulating layer on the first and second electrodes, the first insulating layer including an opening in the subarea, a plurality of light-emitting elements located on the first and second electrodes in the emission area, and a second insulating layer on the first insulating layer in the subarea, wherein the first electrode includes a first electrode extension located in the subarea at a first contact hole, the opening overlaps with the first contact hole and is located above the first electrode extension, and the second insulating layer overlaps the opening.

A method of inspecting a display substrate including pixel patterns provided in pixel areas disposed in a display area in a first direction and a second direction may include obtaining a captured image of the pixel patterns of the display substrate, grouping pixels included in the captured image by grouping at least two pixels disposed in the first direction into a pixel group, designating each pixel group included in the captured image as a target pixel group, comparing pixel patterns of the target pixel group with pixel patterns of an adjacent pixel group positioned in a third direction with respect to the target pixel group, and determining whether the pixel patterns of the target pixel group are defective.

Method of inspecting display substrate

A display device includes subpixels arranged in a first direction and a second direction, where each of the subpixels includes an emission area and a sub area arranged in the first direction therein, electrodes extending in the first direction across the emission area and the sub area, where the electrodes includes a first electrode, a second electrode spaced apart from the first electrode in the second direction, a third electrode disposed between the first electrode and the second electrode, and a fourth electrode spaced apart from the third electrode in the second direction with the first electrode interposed therebetween, first light emitting elements disposed on the first electrode and the fourth electrode, and second light emitting elements disposed on the second electrode and the third electrode. A length of the third electrode in the first direction is smaller than a length of the first electrode in the first direction.

A display device comprises an initialization voltage line on a substrate, a first interlayer insulating layer disposed on the initialization voltage line, a low potential voltage line disposed on the first interlayer insulating layer, and having a stepped portion and overlapping the initialization voltage line, an auxiliary pattern disposed on the low potential voltage line and forming a flat portion with the stepped portion of the low potential voltage line, a second interlayer insulating layer disposed on the auxiliary pattern, a planarization layer disposed on the second interlayer insulating layer, a first electrode and a second electrode disposed on the planarization layer and spaced apart from each other, a light emitting element having ends aligned on the first electrode and the second electrode, a first contact electrode electrically contacting an end of the light emitting element, and a second contact electrode electrically contacting another end of the light emitting element.

A display device includes a substrate including a display area and a non-display area adjacent to the display area, a passivation layer disposed on the substrate, a via layer disposed on the passivation layer, sub-pixels including electrodes disposed on the via layer and light emitting elements disposed on the electrodes in the display area, a first bank disposed on the via layer and surrounding the sub-pixels in the display area, a second bank disposed on the via layer and spaced apart from the first bank in the non-display area, a third bank disposed on the via layer and spaced apart from the second bank in the non-display area, and a first valley disposed between the first bank and the second bank in the non-display area and penetrating the via layer and the passivation layer.

A display device comprises a plurality of first banks disposed on a substrate to extend in a first direction and spaced apart from one another, a plurality of first patterns disposed between the plurality of first banks and spaced apart from one another in the first direction, a first electrode and a second electrode extending in the first direction and disposed on different first banks of the plurality of first banks and spaced apart from each other, a first insulating layer overlapping the plurality of first patterns, disposed on the first substrate, and to partially overlapping the first and second electrodes, and a plurality of light-emitting elements disposed on the first insulating layer so that first and second ends of each of the plurality of light-emitting elements are disposed on the first and second electrodes, respectively.

A pixel includes a first electrode; a second electrode surrounding at least a portion of the first electrode; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode electrically connecting the first electrode and the plurality of light emitting elements; a second contact electrode on the second electrode, the second contact electrode electrically connecting the second electrode and the plurality of light emitting elements; and an intermediate electrode on the first electrode and the second electrode, the intermediate electrode comprising a first area overlapping the first electrode and a second area overlapping the second electrode, the first area and the second area being integrally connected to each other.

Pixel and display device including the same

A display device includes a substrate including a display area and a non-display area, and pixels disposed in the display area. The pixels each include first electrodes, second electrodes spaced apart from the first electrodes, and light emitting elements disposed between the first electrodes and the second electrodes. The first electrodes each include a closed loop of a polygonal shape in some sections.

A display device and a method of fabricating a display device are provided. The display device includes a substrate comprising a contact area and a line area, a first electrode that extends in a first direction on the substrate, a first electrode pattern that extends in the first direction and is spaced apart from the first electrode on the substrate, a second electrode that extends in the first direction and is between the first electrode and the first electrode pattern on the substrate, a second electrode pattern that extends in the first direction and is between the first electrode and the second electrode on the substrate, and a first light-emitting element between the first electrode and the second electrode pattern in the contact area.

Display device including electrode patterns and method of fabricating the same

A pixel according to an embodiment of the present disclosure includes a circuit element on a base layer, a protective layer on the circuit element, a first electrode and a second electrode opposite each other on the protective layer, a first insulating layer on the first electrode and the second electrode, a light-emitting element on the first insulating layer at an area between the first electrode and the second electrode, a first contact electrode on a first end of the light-emitting element to connect the first end of the light-emitting element to the first electrode, a second contact electrode on a second end of the light-emitting element to connect the second end of the light-emitting element to the second electrode, and a cavity in the protective layer and the first insulating layer below the light-emitting element corresponding to the area between the first electrode and the second electrode.

Pixel, display device including pixel, and method of manufacturing display device

A light emitting diode display device including: an organic light emitting diode including an anode electrode; a first transistor for providing a current to the anode electrode of the organic light emitting diode; a second transistor for transmitting a voltage to a gate electrode of the first transistor; a first capacitor for storing the voltage transmitted to the gate electrode of the first transistor; and a second capacitor disposed between a first electrode of the second transistor and a data line, wherein the first electrode of the second transistor is directly connected to the anode electrode of the organic light emitting diode.

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Seoul, South Korea

Kwang Taek Hong