Boe Technology Group Co., Ltd.

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Chunjing Hu

Wenjun Hou

Ying Cui

Guang Yan

Qing Dai

Changyen Wu

Donghui Yu

Li Sun

Ze Liu

Shang Wang

Xinxin Wang

Juanjuan You

Huifeng Wang

Yue Hu

Yingying Song

Dongfang Yang

Zhijie Ye

Lifang Song

Huaiting Shih

Yongqi Shen

Shoulei Shi

Lingyun Liu

Bin Bo

A display substrate includes a substrate, a planarization layer disposed on a side of the substrate, and a plurality of light-emitting layers disposed on a side of the planarization layer away from the substrate. The planarization layer includes a plurality of first portions and a second portion, a first portion is disposed in a sub-pixel region, and the second portion is located in a gap region between a plurality of sub-pixel regions; side surfaces of the plurality of first portions and side surfaces of the second portion have spacings therebetween to form a plurality of annular depressions, and an annular depression surrounds a first portion. A light-emitting layer covers the first portion of the planarization layer.

Display substrate, manufacturing method therefor, and display apparatus

A display substrate has a display area and a non-display area. The non-display area includes a dummy pixel area located in a periphery of the display area. The display substrate includes a substrate; a first pixel defining layer disposed on the substrate and located in the display area, the first pixel defining layer having a plurality of first openings; and a second pixel defining layer disposed on the substrate and located in the dummy pixel area, the second pixel defining layer having a plurality of second openings. A capacity of a second opening is greater than a capacity of a first opening, and an open area of a second opening is less than or equal to an open area of a first opening.

Display substrate and method of manufacturing the same, display device

A condensation assembly includes a condensation plate and a plurality of sumps. The condensation plate includes a plate body and a plurality of protrusions on a surface of the plate body, and the plurality of protrusions are spaced apart. The plurality of sumps are disposed at a side of the plurality of protrusions away from the plate body. Each sump of the plurality of sumps is disposed opposite to at least one of the plurality of protrusions, and has an opening facing the at least one protrusion disposed opposite to the sump. There is a gap between the plurality of sumps and the condensation plate.

Condensing assembly, vacuum drying device, and method for manufacturing a display substrate

A flattening device, a display substrate and a method for manufacturing the display substrate are provided. The method includes providing a base substrate, forming a pixel definition layer on the base substrate and forming an uncured sub-pixel material in a plurality of sub-pixel regions defined by the pixel definition layer, and flattening the uncured sub-pixel material by a flattening device. The flattening device includes a main body and a plurality of protrusions on a surface of the main body. A size of a protrusion surface of each protrusion facing away from the main body is not greater than that of each sub-pixel region. The sub-pixels are flattened by using the flattening device, so a sub-pixel material layer with a flat surface may be obtained, which improves the structure of the sub-pixels and improves the display performance of the display substrate.

Manufacturing method for display substrate and flattening device

A dry box and a control method therefor, and a preparation method for an organic electroluminescent device are provided. The dry box includes a cavity and a hot plate arranged in the cavity. The hot plate includes a plurality of heating spots, the plurality of heating spots being arranged towards the hot plate to support a surface of a device to be dried, and some of the temperature of the plurality of heating spots being different and the heating spots being insulated from each other.

Dry box and control method thereof, and preparation method of organic electroluminescent device

An inkjet printing method of an array substrate, an array substrate, and a display device are disclosed. The array substrate includes n kinds of sub-pixels; and the inkjet printing method includes: recording a solvent volume required for inkjet printing of an i-th kind of sub-pixel as Vi; calculating an Xi value for each kind of the n kinds of sub-pixels, in which Xi=Vi/V1, and V1 refers to a solvent volume required for inkjet printing of a first kind of sub-pixels; taking a greatest common divisor of the Xi values of the n kinds of sub-pixels, and recording the greatest common divisor as G; and dividing the i-th kind of sub-pixel into Xi/G subunits with equal areas, and performing inkjet printing on each of the subunits of the i-th kind of sub-pixel with a solvent volume of V1*G to form a film layer.

Inkjet printing method of array substrate, array substrate and display device

There are provided an OLED device, a manufacturing method thereof, and a display apparatus. The OLED device includes: a first substrate; at least one auxiliary electrode disposed on the first substrate; a pixel defining structure disposed on the first substrate; and a plurality of light emitting units disposed on the first substrate. Each light emitting unit includes a first electrode, a second electrode and a light emitting layer, and the first electrode is located on a side of the second electrode distal to the first substrate, and the light emitting layer is located between the first electrode and the second electrode. The auxiliary electrode is disposed inside the pixel defining structure and electrically coupled to the first electrode.

OLED device, manufacturing method thereof, and display apparatus

The present application discloses an array substrate having a subpixel region and an inter-subpixel region. The array substrate includes a base substrate; a thin film transistor on the base substrate and including a drain electrode; a passivation layer on a side of the thin film transistor distal to the base substrate; a pixel electrode layer on a side of the passivation layer distal to the base substrate; a pixel definition layer in the inter-subpixel region; and an organic light emitting layer in the subpixel region on a side of the pixel electrode layer distal to the passivation layer. The array substrate includes a via extending through the passivation layer. The pixel electrode layer is electrically connected to the drain electrode of the thin film transistor through the via. The via is in the subpixel region.

Array substrate, display panel having the same, and method of fabricating array substrate

This disclosure relates to a pixel defining structure, a display panel, a method of manufacturing the same, and a display device. The pixel defining structure includes: a first pixel defining layer with a first opening, located on a substrate, wherein the first pixel defining layer includes a first portion formed by a first hydrophilic-hydrophobic material and a second portion formed by a second hydrophilic-hydrophobic material, projections of the first portion and the second portion on a surface of the substrate are substantially not overlapped, a side surface of the first pixel defining layer facing the first opening includes a first side surface formed by the first hydrophilic-hydrophobic material and a second side surface formed by the second hydrophilic-hydrophobic material, and the first hydrophilic-hydrophobic material has a different hydrophilicity and hydrophobicity from that of the second hydrophilic-hydrophobic material.

Pixel defining structure, display panel, method of manufacturing the same and display device

A pixel unit, a display panel, a display device and a method of manufacturing a pixel unit. The pixel unit includes a first sub-pixel unit and a second sub-pixel unit, each sub-pixel unit includes a first electrode, an emission layer, and a second electrode stacked on a substrate. An emission lifespan of the emission layer of the first sub-pixel unit is smaller than that of the emission layer of the second sub-pixel unit. An area of an orthographic projection of the emission layer of the first sub-pixel unit on the substrate is equal to that of the emission layer of the second sub-pixel unit on the substrate. An area of an orthographic projection of the first electrode of the first sub-pixel unit on the substrate is greater than an area of an orthographic projection of the first electrode of the second sub-pixel unit on the substrate.

Pixel unit, display panel, display device and method of manufacturing pixel unit

An OLED substrate and a manufacturing method thereof, the OLED substrate includes a substrate, and an OLED device in a sub-pixel region on the substrate. The OLED device includes an organic layer having a non-uniform thickness. The OLED substrate further includes a transmittance adjusting layer in the sub-pixel region. The transmittance of a portion of the transmittance adjusting layer corresponding to a thicker portion of the organic layer is higher than the transmittance of a portion of the transmittance adjusting layer corresponding to a thinner portion of the organic layer. The transmittance adjusting layer is located on a light exit side of the organic layer such that light emitted from the organic layer passes through the transmittance adjusting layer when the OLED substrate is in operation.

OLED substrate, manufacturing method thereof, display device

The present disclosure provides various arrangements of a pixel defining layer. The pixel defining layer includes first and second sub-defining layers sequentially and laminatedly disposed on a base substrate. An orthographic projection of the second sub-defining layer less closer to the base substrate on the base substrate is located within an orthographic projection of the first sub-defining layer closer to the base substrate on the base substrate. A surface of each of the first and second sub-defining layers parallel to a surface of the base substrate is a lyophobic surface, a side surface of each of the first and second sub-defining layers is a lyophilic surface.

Pixel defining layer and manufacturing method thereof, display substrate, display panel

The present application relates to a pixel structure, a method for manufacturing the same, a display panel and a display device. The pixel structure includes a plurality of sub-pixels, each of which has a triangular shape. Sub-pixels of four different colors constitute a pixel unit. Any two sub-pixels that have the same common triangle edge have different colors. Each row and each column of sub-pixels are composed of alternately arranged upright triangle sub-pixels and inverted triangle sub-pixels. Every adjacent six columns of sub-pixels constitute a group. Each row of sub-pixels includes sub-pixels of four different colors, and each group of sub-pixels has the same arrangement. The upright triangle sub-pixels are sub-pixels of the other three different colors, and all of the inverted triangular sub-pixels are sub-pixels of the first color.

Pixel structure, method of manufacturing the same, display panel and display device

An organic light-emitting diode (OLED) component includes a substrate; a pixel defining layer and a plurality of first electrodes over the substrate; an insulating layer correspondingly disposed over the pixel defining layer; a first light-emitting layer over each first electrode; and a charge generation layer over the first light-emitting layer. The plurality of first electrodes are physically separated from one another by the pixel defining layer. The insulating layer is configured to facilitate manufacturing of the OLED component, such that after formation of the charge generation layer without a mask, portions thereof positionally corresponding to any two adjacent first electrodes are physically separated by the insulating layer. The OLED component can be a white light organic light-emitting diode (WOLED) component including at least one other light-emitting layer in addition to the first light-emitting layer.

Organic light-emitting diode component and manufacturing method thereof

The present invention is related to a method of fabricating a film. The method may comprise filling ink droplets containing a solvent and material constituting the film into pixel units of an array substrate; freezing the ink droplets on the array substrate; and sublimating the solvent of the ink droplets on the array substrate. The pixel units of the array substrate may be separated by a pixel define layer and arranged in a matrix.

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Beijing, China

Chunjing Hu