Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Heena Kim

SangJin Park

Mijung Han

Taehyeok Choi

Youngseok Baek

Donghyun Yang

Sang Jin Park

Young Seok Baek

Inkyung Yoo

Sang Jin Lee

Cha-Dong Kim

Myounggeun Cha

Youngdae Kim

Euikang Heo

SungBae Ju

Yonghwan Ryu

A method of providing a display device includes providing a preliminary active layer, providing a preliminary insulation layer on the preliminary active layer, providing a doped area of the preliminary active layer, the providing of the doped area including providing impurities through the preliminary insulation layer on the preliminary active layer and to a portion of the preliminary active layer corresponding to the doped area, providing removal of the preliminary insulation layer from the preliminary active layer having the doped area, and providing crystallizing of the preliminary active layer having the doped area, the providing of the crystallizing including irradiating a laser to the preliminary active layer having the doped area to define an active layer of the display device which has the doped area.

Method of providing display device and display device provided thereby

An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.

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

A manufacturing method of a display apparatus, in which a defect rate in a manufacturing process is reduced and product reliability is increased, and a display apparatus manufactured according to the method are provided. The manufacturing method includes: forming a first pixel electrode on a substrate; forming an insulating layer; forming a first dam portion; forming a first lift-off layer; forming a first mask layer; forming a first intermediate layer; forming a first opposite electrode; forming a first insulating protective layer; and removing the first dam portion.

Manufacturing method of display apparatus utilizing dam portion and display apparatus manufactured using the method

A method of fabricating a display device includes forming a circuit layer on a base layer, forming a first preliminary electrode and a second preliminary electrode on the circuit layer, forming a photoresist layer on the first preliminary electrode and the second preliminary electrode, patterning the photoresist layer to form a photoresist pattern, treating a region of each of the first preliminary electrode and the second preliminary electrode to form a first electrode and a second electrode having regions of lower and higher electrical resistance, and disposing a light-emitting element on the first electrode and the second electrode at regions having lower electrical resistance.

Display device and method of fabricating the same

An optical sensor includes: a sensing unit including a first sensing electrode, a second sensing electrode spaced apart from the first sensing electrode, and a sensing layer between the first sensing electrode and the second sensing electrode, the sensing layer containing amorphous silicon and germanium (Ge) ions impregnated in the amorphous silicon; and an optical pattern unit on the sensing unit and including a light shielding pattern and a plurality of transmission patterns in the light shielding pattern, wherein the sensing layer includes a first region, a second region, and a third region sequentially arranged from a boundary between the second sensing electrode and the sensing layer toward the first electrode, and a concentration of the germanium (Ge) ions in the amorphous silicon is relatively higher in the second region than in the first region and the third region.

Optical sensor, electronic apparatus including the same and manufacturing method thereof

An organic light emitting display panel includes an organic light emitting element, an encapsulation layer sealing the organic light emitting element, a power electrode providing a power voltage to the organic light emitting element, and a partial wall preventing an organic material from flowing while the encapsulation layer is formed. The partition wall includes a base dam covering one side of the power electrode, a first dam covering one side of the base dam, a second dam covering the other side of the base dam, a third dam covering one side of the first dam, and a fourth dam covering one side of the second dam.

Organic light emitting display panel having base dam covering one side of power electrode

A display device includes a plurality of scan lines and a plurality of data lines; and a plurality of pixels connected with the scan lines and the data lines, wherein at least one pixel of the plurality of pixels includes a pixel circuit having at least one transistor, an insulating layer covering the pixel circuit, a first electrode disposed on the insulating layer and electrically connected to the pixel circuit, a second electrode disposed on the insulating layer and spaced apart from the first electrode, and a light-emitting element electrically connected to the first electrode and the second electrode. The first electrode includes a first region having at least one first resistance and a plurality of second regions having a second resistance higher than the first resistance, the second electrode includes a third region having at least one third resistance and a plurality of fourth regions having a fourth resistance higher than the third resistance, and the light-emitting element is electrically connected to the first electrode at one of the first regions and the second electrode at one of the third regions.

An organic light emitting diode display device includes a substrate, a buffer layer, a first circuit structure, a sub-pixel structure, and a first signal wire. The substrate includes a display region including a plurality of sub-pixel regions and a peripheral region surrounding the display region. The buffer layer is disposed in the display region and peripheral region on the substrate. The first circuit structure is disposed in the peripheral region on the buffer layer. The sub-pixel structure is disposed in each of the sub-pixel regions on the first circuit structure. The first signal wire is disposed in the peripheral region between the substrate and the buffer layer, and overlaps the first circuit structure when viewed from a plan view in a thickness direction of the substrate.

Organic light emitting diode display device

A display apparatus includes a substrate including a first area, a second area surrounding the first area, and a third area between the first area and the second area. A plurality of display elements disposed in the second area include a first display element and a second display element spaced apart from each other. A thin-film encapsulation layer includes an organic encapsulation layer covering the plurality of display elements. An inorganic encapsulation layer is on the organic encapsulation layer. A planarization layer partially covers the thin-film encapsulation layer in the third area. The inorganic encapsulation layer includes a first surface facing the planarization layer and a second surface facing in an opposite direction. The first surface has a roughness that is greater than a roughness of the second surface. In addition, other various embodiments may be provided.

Display apparatus having an inorganic encapsulating layer with a rough surface and method of manufacturing the same

A display apparatus includes an encapsulation layer, a display device, a touch layer, and an organic insulating layer. The encapsulation layer is on and covers the display device. The touch layer is above the encapsulation layer and includes a plurality of sensing electrodes, each of which includes a conductive layer having a first metal layer, a second metal layer above the first metal layer, and a third metal layer between the first metal layer and the second metal layer and exposed side surfaces. The organic insulating layer is above and covers the touch layer and is spaced apart from the side surfaces of the third metal layer.

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Hwaseong-si, South Korea

Heena Kim