Abstract: A display panel having a plurality of subpixels is provided. The display panel includes a black matrix layer; a black adhesive layer on the black matrix layer; and a cover an a side of the black adhesive layer away from the black matrix layer. The black adhesive layer extends substantially throughout an entirety of a display region of the display panel, including a subpixel region and an inter-subpixel region. The black adhesive layer includes an optically clear adhesive and particles distributed throughout the optically clear adhesive. Light transmittance of the black adhesive layer is in a range of 40% to 80%.

Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes a flexible substrate, a driving structure layer disposed on the flexible substrate, a light-emitting element disposed on the driving structure layer, and an encapsulation layer disposed on the light-emitting element. The flexible substrate includes a first flexible substrate layer, a first connection layer disposed on the first flexible substrate layer, and a second flexible substrate layer disposed on the first connection layer, wherein, the first connection layer includes at least one first via, and the first flexible substrate layer includes at least one first groove provided corresponding to the first via; the first via and the first groove are mutually communicated, and an orthographic projection of the first groove on the first flexible substrate layer includes an orthographic projection of the first via on the first flexible substrate layer.

Abstract: A detection method for a display screen is provided, including: emitting, by a light source, light onto a surface of a display screen to form a diffuse reflection, where the light source includes an initial first color channel value a1 and an initial second color channel value b1; measuring, by a detector, a first color channel value a and a second color channel value b of the reflected light; calculating a color breakup value lab of the reflected light by: lab=?{square root over ((a?a1)2+(b?b1)2)}; calculating, in response to (a+b) being not equal to 0, a hue value ? by: ?=|a+b|/(a+b); calculating a color breakup and hue quantization value ? of the reflected light by: ?=lab×?=|a+b|?{square root over ((a?a1)2+(b?b1)2)}/(a+b); and determining whether the display screen is qualified based on determining whether the color breakup and hue quantization value ? is within a predetermined quantization value range.

Abstract: An OLED display panel and a manufacturing method of the same are provided. The OLED display panel includes a base plate, a first electrode layer and a pixel definition layer on a first side of the base plate, a plurality of electroluminescent layers on the first electrode layer, a second electrode layer covering the pixel definition layer and the plurality of electroluminescent layers, an encapsulation layer covering the second electrode layer, a black matrix and a color filter layer on the encapsulation layer and a plurality of photosensitive fingerprint sensors on a second side of the base plate; a plurality of light-transmitting holes are arranged in the black matrix, and orthographic projections of the plurality of light-transmitting holes on the second electrode layer are in hollow-out regions of the second electrode layer, respectively; and the photosensitive fingerprint sensors are in the orthographic projections of the light-transmitting holes, respectively.

Abstract: A display panel (10), including a light-emitting device layer (11) and a color film layer (12) arranged on a light-emitting side of the light-emitting device layer (11), the light-emitting device layer (11) includes a plurality of light-emitting units (112); each light-emitting unit (112) includes one first sub-pixel (1122), one second sub-pixel (1124) and two third sub-pixels (1126); the color film layer (12) includes a black matrix (122) and a plurality of color film units (124) corresponding to the plurality of light-emitting units (112); each color film unit (124) includes a first color film (1242) corresponding to the one first sub-pixel (1122), a second color film (1244) corresponding to the one second sub-pixel (1124) and a third color film (1246) corresponding to the two third sub-pixels (1126); the black matrix (122) is located between any two of the first color film (1242).

Abstract: An OLED display panel and a manufacturing method of the same are provided. The OLED display panel includes a base plate, a first electrode layer and a pixel definition layer on a first side of the base plate, a plurality of electroluminescent layers on the first electrode layer, a second electrode layer covering the pixel definition layer and the plurality of electroluminescent layers, an encapsulation layer covering the second electrode layer, a black matrix and a color filter layer on the encapsulation layer and a plurality of photosensitive fingerprint sensors on a second side of the base plate; a plurality of light-transmitting holes are arranged in the black matrix, and orthographic projections of the plurality of light-transmitting holes on the second electrode layer are in hollow-out regions of the second electrode layer, respectively; and the photosensitive fingerprint sensors are in the orthographic projections of the light-transmitting holes, respectively.

Abstract: A display region includes: a first display region including a first thin film encapsulation structure; a second display region including a second thin film encapsulation structure; and a transition display region including a third thin film encapsulation structure. The first thin film encapsulation structure includes a first inorganic encapsulation layer, a first organic encapsulation layer and a second inorganic encapsulation layer. The second thin film encapsulation structure includes the first organic encapsulation layer, the second inorganic encapsulation layer and a second organic encapsulation layer. The third thin film encapsulation structure includes a first portion and a second portion. The first portion includes the first inorganic encapsulation layer, the first organic encapsulation layer, the second inorganic encapsulation layer and the second organic encapsulation layer.

Abstract: An OLED display substrate, a method of manufacturing the same and an OLED display apparatus are provided, and the display substrate includes a substrate base; a device layer including OLED light-emitting devices; an encapsulation layer on respective sides of the OLED light-emitting devices away from the substrate base; a black matrix layer on a side of the encapsulation layer away from the substrate base, the black matrix layer including openings; and a color filter layer on a side of the black matrix away from the substrate base, the color filter layer including color filters correspondingly provided on respective sides of the openings away from the substrate base, the color filters include working color filters and at least one common color filter; area of each common color filter on the substrate base is more than 50 times as large as area of any working color filter on the substrate base.

Abstract: A display panel having a plurality of subpixels is provided. The display panel includes a black matrix layer; a black adhesive layer on the black matrix layer; and a cover on a side of the black adhesive layer away from the black matrix layer. The black adhesive layer extends substantially throughout an entirety of a display region of the display panel, including a subpixel region and an inter-subpixel region. The black adhesive layer includes an optically clear adhesive and particles distributed throughout the optically clear adhesive. Light transmittance of the black adhesive layer is in a range of 40% to 80%.

Abstract: The present disclosure provides a shift register unit, including: a first input sub-circuit configured to conduct a first voltage terminal with a first node under control of a first clock signal terminal; a first output sub-circuit configured to conduct a second voltage terminal with an output terminal under control of the first node; a second input sub-circuit configured to conduct an input terminal with a second node under control of the first clock signal terminal; a second output sub-circuit configured to conduct a second clock signal terminal with the output terminal under control of the second node; a first switching sub-circuit configured to conduct the first clock signal terminal with the first node under control of the second node; a second switching sub-circuit configured to conduct a third clock signal terminal with the storage sub-circuit under control of the first node.

Abstract: The present disclosure provides a light emitting device and a manufacturing method thereof, a display panel and a display apparatus. The light emitting device includes a substrate; a light emitting element on the substrate; and a light coupling layer on a light emitting side of the light emitting element, wherein a thickness of the light coupling layer gradually decreases in a direction from a central region of the light emitting device toward an edge region of the light emitting device.

Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes a flexible substrate, a driving structure layer disposed on the flexible substrate, a light-emitting element disposed on the driving structure layer, and an encapsulation layer disposed on the light-emitting element. The flexible substrate includes a first flexible substrate layer, a first connection layer disposed on the first flexible substrate layer, and a second flexible substrate layer disposed on the first connection layer, wherein, the first connection layer includes at least one first via, and the first flexible substrate layer includes at least one first groove provided corresponding to the first via; the first via and the first groove are mutually communicated, and an orthographic projection of the first groove on the first flexible substrate layer includes an orthographic projection of the first via on the first flexible substrate layer.

Abstract: The present disclosure relates to a display substrate, a display panel, a display device, and a manufacturing method of the display panel. The display substrate display substrate includes a display area, the display area including: a plurality of sides, wherein adjacent sides of the plurality of sides intersect to form a plurality of corners; a first display area having a first pixel density; and a second display area having a second pixel density lower than the first pixel density, wherein the second display area is located in at least one of the corners.

Abstract: Embodiments of the application provide a display panel, a display screen and a display device. The display panel includes a backplane, a color filter layer, and a black matrix between the backplane and the color filter layer. The backplane includes a base substrate, the color filter layer includes a plurality of sub-pixel color filters, and the plurality of sub-pixel color filters are arranged along a plane of the color filter layer and spliced together to form the color filter layer.

Abstract: The present disclosure provides a shift register unit, including: a first input sub-circuit configured to conduct a first voltage terminal with a first node under control of a first clock signal terminal; a first output sub-circuit configured to conduct a second voltage terminal with an output terminal under control of the first node; a second input sub-circuit configured to conduct an input terminal with a second node under control of the first clock signal terminal; a second output sub-circuit configured to conduct a second clock signal terminal with the output terminal under control of the second node; a first switching sub-circuit configured to conduct the first clock signal terminal with the first node under control of the second node; a second switching sub-circuit configured to conduct a third clock signal terminal with the storage sub-circuit under control of the first node.

Abstract: The present disclosure provides a light emitting device and a manufacturing method thereof, a display panel and a display apparatus. The light emitting device includes a substrate; a light emitting element on the substrate; and a light coupling layer on a light emitting side of the light emitting element, wherein a thickness of the light coupling layer gradually decreases in a direction from a central region of the light emitting device toward an edge region of the light emitting device.

Abstract: An organic electroluminescent device is provided. The organic electroluminescent device includes a transparent electrode layer; a reflective electrode layer; and an organic functional layer between the transparent electrode layer and the reflective electrode layer. The organic functional layer includes an emitting-material layer for emitting light; and further includes a first medium functional layer between the emitting-material layer and the reflective electrode layer and a second medium functional layer between the first medium functional layer and the reflective electrode layer. The first medium functional layer is optically denser than the second medium functional layer; and the first medium functional layer and the second medium functional layer are configured to cause at least a part of the light emitted undergoing a total reflection at the interface between the first medium functional layer and the second medium functional layer.

Abstract: An organic electroluminescent device is provided. The organic electroluminescent device includes a transparent electrode layer; a reflective electrode layer; and an organic functional layer between the transparent electrode layer and the reflective electrode layer. The organic functional layer includes an emitting-material layer for emitting light; and further includes a first medium functional layer between the emitting-material layer and the reflective electrode layer and a second medium functional layer between the first medium functional layer and the reflective electrode layer. The first medium functional layer is optically denser than the second medium functional layer; and the first medium functional layer and the second medium functional layer are configured to cause at least a part of the light emitted undergoing a total reflection at the interface between the first medium functional layer and the second medium functional layer.

Abstract: Disclosed is an organic light-emitting device, including: a first electrode, a second electrode and an organic functional layer provided between the first electrode and the second electrode, wherein the organic functional layer includes: a hole injection layer, a hole transport layer, and an insulating layer formed in at least one of the hole injection layer and the hole transport layer. A method for manufacturing the above organic light-emitting device is also disclosed. A display apparatus including the above organic light-emitting device is disclosed.