Samsung Display Co., Ltd.

Postech Academy-industry Foundation

Snu Rdb Foundation

Samsung Displayco., Ltd.

Jong Hyuk Kang

Hyun Min Cho

Hyun Deok Im

Dae Hyun Kim

Joo Yeol Lee

Jae Byung Park

Won Ho Lee

Keun Kyu Song

Jin Oh Kwag

Bek Hyun Lim

Eun A Cho

Dong-Hoon Lee

Hae Il Park

Jung Hong Min

Eun A Yang

Sung Sik Yun

Chi O Cho

Dong Uk Kim

Han Su Kim

Sung-Chan Jo

Buem Joon Kim

Jae Hoon Jung

Junghyun Kwon

Sung Chan Jo

Hae Yun Choi

Hyung Rae Cha

Seung A Lee

Hye Yong Chu

Sung Chul Kim

Hyundeok Im

Minki Nam

Won Kyu Kim

Jae Woong Kang

Seon-Tae Yoon

Sung Jin Hong

Yo Han Lee

Haeil Park

Hee Keun Lee

Won Sik Oh

Baek Hee Lee

Chang Hee Lee

Jae Kook Ha

Kookheon Char

Sung-jin Hong

Jun Bo Sim

Duk Ki Kim

Hyo Jin Ko

Wanki Bae

Na Mi Hong

Ki Sun Jang

Seonghoon Lee

Won Hee Nam

Hye Jung Hong

Junghan Shin

Jaehoon Lim

Hee Yeon Yoo

Jin Sung Kim

Ki Nyeng Kang

Jin Taek Kim

Do Yeong Park

Tae Woo Kim

Jae Ik Lim

Mun-Ki Sim

Dong Gyun Kim

Dong Eon Lee

Kwang Taek Hong

Sung Hoon Kim

Jung Hyun Ahn

An Na Ryu

Byeong Hoon Cho

Su Min Choi

Yong Hwi Kim

Gyu Bong Kim

Sung-Jee Kim

Jin Young Kim

Hoi Lim Kim

In Hyuk Kim

Suk Beom You

Chung Sic Choi

Sae Na Yun

Young Hoi Kim

Jeong In Choi

Suk Sun Lee

Joohyun Jung

Sungtae Shin

Mihye Lim

Bomi Kim

Yongju Kwon

Sung-chan Jo

According to an embodiment, a pixel may include a first area and a second area partitioned in a first direction, (1-1)-th and (2-1)-th electrodes disposed in the first area and spaced apart in a second direction different from the first direction, (1-2)-th and (2-2)-th electrodes disposed in the second area and spaced apart in the second direction, light emitting elements disposed between the (1-1)-th and (2-1)-th electrodes and between the (1-2)-th and (2-2)-th electrodes, a contact electrode disposed on the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, an insulating layer disposed between each of the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, and the contact electrode, and including a first opening exposing a portion of the (1-1)-th electrode; and a first intermediate electrode electrically connecting the contact electrode on the (2-1)-th electrode and the contact electrode on the (1-2)-th electrode.

Pixel, display apparatus comprising same, and manufacturing method therefor

A display device manufacturing apparatus includes a first reservoir accommodating a solvent; a second reservoir accommodating a light emitting element; a mix chamber accommodating an ink including the solvent and the light emitting element ; a first channel connecting the first reservoir and the mix chamber; a second channel connecting the second reservoir and the mix chamber; and a counter that obtains information on a number of the light emitting elements that are moved in the second channel.

Display device manufacturing apparatus, method of manufacturing display device using the same, and display device manufactured by the same

A light-emitting element includes a first semiconductor layer doped to have a first polarity; a second semiconductor layer doped to have a second polarity that is different from the first polarity; an active layer placed between the first semiconductor layer and the second semiconductor layer; and an insulating layer surrounding at least the outer surface of the active material. The insulating layer includes an insulating film surrounding the active layer, and an element dispersion agent including a magnetic metal and bonded to an outer surface of the insulating film.

Light-emitting element, display apparatus, and manufacturing method therefor

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.

Display device

A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element having a first end portion and a second end portion in a length direction thereof; first and second partition walls on the substrate, and the first and second partition walls being spaced apart from each other; a first reflective electrode on the first partition wall and a second reflective electrode on the second partition wall; a first contact electrode on the first reflective electrode, the first contact electrode connecting the first reflective electrode and the first end portion of the light emitting element; a second contact electrode on the second reflective electrode, the second contact electrode connecting the second reflective electrode and the second end portion of the light emitting element; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second reflective electrodes when viewed on a plane.

Light-emitting device, display device having same, and method for manufacturing same

A display device includes a substrate including a plurality of pixel areas; and a pixel provided in each of the pixel areas. The pixel may include a first electrode and a second electrode extending in a first direction on the substrate and spaced from each other in a second direction different from the first direction; a bank pattern between the substrate and the first electrode and between the substrate and the second electrode, and including at least two sub-bank patterns in a same column and spaced from each other; and a plurality of light emitting elements between the first and second electrodes. Here, each of the first and second electrodes may have at least two or more widths in the second direction along the first direction.

An ink for manufacturing a display device includes a solvent; and light emitting elements disposed in the solvent, wherein the light emitting elements include a first semiconductor layer including a first type of semiconductor and a second semiconductor layer including a second type of semiconductor, and an electrical conductivity of the ink is about 1.5 μS/m or less. Also provided are a method of manufacturing a display device using the ink and a display device manufactured by the method.

Ink, manufacturing method of display device using the same, and display device

A light emitting device may include a first electrode disposed on a substrate, and a second electrode spaced apart from the first electrode, the first electrode and the second electrode being disposed on a same layer; an insulating pattern disposed between the first electrode and the second electrode, and overlapping a portion of the first electrode and a portion of the second electrode; and at least one light emitting element disposed on the insulating pattern, and including a first end and a second end in a longitudinal direction of the at least one light emitting element; a first bank disposed on the first electrode, and a second bank disposed on the second electrode; a first reflective electrode disposed on the first bank and electrically connected with the first electrode; and a second reflective electrode disposed on the second bank and electrically connected with the second electrode.

Light-emitting device, method for manufacturing same, and display device comprising same

A method of aligning light emitting elements includes applying a ground voltage to a first electrode and applying a first AC voltage to a second electrode spaced apart from the first electrode; and applying a ground voltage to the first electrode and applying a second AC voltage to the second electrode, wherein the first AC voltage has an asymmetric waveform.

Method of aligning light emitting elements and method of manufacturing display device using the same

A display device includes at least one pixel; at least one electrode spaced apart from each other in each of the at least one pixel; and at least one light-emitting element disposed between the at least one electrode, wherein the at least one electrode include at least one inner electrode disposed adjacent to the center of each of the at least one pixel; and at least one outer electrode spaced apart from each of the at least one inner electrode, a distance between the central portion of the at least one pixel and the at least one outer electrode is greater than a distance between the central portion of the at least one pixel and the inner electrode, and a width of the at least one inner electrode is different from a width of the at least one outer electrode.

LED display device where anode and cathode electrodes in each pixel have different witdths

A display device includes a substrate including a display area and a non-display area; and at least one pixel provided in the display area, and including a pixel circuit layer. The display element layer includes at least one transistor, and a display element layer including at least one light emitting element emitting light, and a first electrode and a second electrode spaced apart from each other, disposed on the substrate, and each extending in a first direction, and the at least one light emitting element is electrically connected to each of the first and the second electrodes. The first electrode has at least two widths in an extension direction of the first electrode. The second electrode has at least two widths in an extension direction of the second electrode.

Pixel and display device comprising same

A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.

Light emitting device and manufacturing method of the light emitting device

A display device may include pixels disposed on a substrate. Each of the pixels may include a first electrode, a second electrode spaced apart from the first electrode and enclosing a perimeter of the first electrode, light emitting elements disposed between the first electrode and the second electrode, and each including a first end and a second end, a third electrode overlapping the first electrode and the first end of each of the light emitting elements in a plan view, and electrically contacting the first electrode and the first end of each of the light emitting elements, and a fourth electrode overlapping the second electrode and the second end of each of the light emitting elements in a plan view, and electrically contacting the second electrode and the second end of each of the light emitting elements. The light emitting elements may be radially disposed around the first electrode.

A display device comprises a first electrode and a second electrode on a substrate, a first insulating layer on the first electrode and the second electrode, light emitting elements on the first insulating layer each having a first end on the first electrode and a second end on the second electrode, a first connection electrode disposed on the first electrode and electrically contacting the first end of each of the light emitting elements, a second connection electrode disposed on the second electrode and electrically contacting the second end of each of the light emitting elements, a second insulating layer on the light emitting elements, the first connection electrode and the second connection electrode, and a third connection electrode disposed on the second insulating layer and electrically contacting the light emitting elements through an opening formed in the second insulating layer that partially exposes the light emitting elements.

Light emitting element and display device including the same

A display device includes a pixel in a display area. The pixel includes: spaced apart first and second electrodes; a first insulating layer on the first electrode and the second electrode and between the first electrode and the second electrode and having a first etch selectivity; a first insulating pattern on the first insulating layer between the first electrode and the second electrode, and having a second etch selectivity; a light emitting element on the first insulating pattern; a second insulating pattern having the second etch selectivity and being on one area of the light emitting element such that a first end and the second end of the light emitting element are exposed; and third and fourth electrodes configured to electrically connect the first end and the second end of the light emitting element to the first and second electrodes, respectively.

Display device, and method for producing same

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Yongin-si, South Korea

Jong Hyuk Kang