Boe Technology Group Co., Ltd.

Chengdu Boe Optoelectronics Technology Co., Ltd.

Chongqing Boe Display Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Ordos Yuansheng Optoelectronics Co., Ltd.

Jiandong Bao

Can Huang

Hongcheng Gao

Weilin Lai

Jiwei Wang

Dawei Shi

Lu Yang

Sheng Guo

Liji Cheng

Ao Huang

Wei Wang

Shuo Li

Ming Yang

Xin Zhou

Weifeng Zhou

Yuan He

Liqiang Chen

Peng Zhou

Wentao Wang

Zhao Li

Yu Wang

Yingsong Xu

Paoming Tsai

Yue Liu

Shuang Du

Li Jia

Sen Wang

Peng Hou

Jingyi Feng

Dan Guo

Wenqiang Wang

Shaojie Qin

Weitao Ma

Mingqi Gang

Minhui Jia

Youchun Chen

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 lof the reflected light by: l=√{square root over ((a−a1)+(b−b1))}; calculating, in response to (a+b) being not equal to 0, a hue value ε by: ε=|a+b|/(a+b); calculating a color breakup and hue quantization value φ of the reflected light by: φ=l×ε=|a+b|√{square root over ((a−a1)+(b−b1))}/(a+b); and determining whether the display screen is qualified based on determining whether the color breakup and hue quantization value φ is within a predetermined quantization value range.

Detection method and detection device for display screen

A display substrate and a display device are disclosed, and the display substrate has a plurality of sub-pixels, and includes a base substrate, a driving circuit layer, a pixel definition layer and a light-emitting device layer, and a black matrix layer. Each sub-pixel includes a pixel driving circuit in the driving circuit layer and a light-emitting device in the light-emitting device layer. The black matrix layer includes a plurality of first light-transmitting openings respectively exposing the light-emitting devices of the plurality of sub-pixels in a direction perpendicular to a surface of the base substrate. The pixel definition layer includes a plurality of sub-pixel openings, at least part of the plurality of sub-pixel openings are in one-to-one correspondence with and at least partially overlapped with the plurality of first light-transmitting openings, and at least one of the plurality of first light-transmitting openings has an arc-shaped edge.

Display substrate and display device

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.

OLED display substrate, method of manufacturing the same and OLED display apparatus

A display panel (), including a light-emitting device layer () and a color film layer () arranged on a light-emitting side of the light-emitting device layer (), the light-emitting device layer () includes a plurality of light-emitting units (); each light-emitting unit () includes one first sub-pixel (), one second sub-pixel () and two third sub-pixels (); the color film layer () includes a black matrix () and a plurality of color film units () corresponding to the plurality of light-emitting units (); each color film unit () includes a first color film () corresponding to the one first sub-pixel (), a second color film () corresponding to the one second sub-pixel () and a third color film () corresponding to the two third sub-pixels (); the black matrix () is located between any two of the first color film ().

Display panel and display apparatus

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.

Display panel, display screen and display device having larger viewing angle

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%.

Display panel, display apparatus, and method of fabricating display panel

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.

Display substrate, preparation method thereof, and display apparatus

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.

OLED display panel and manufacturing method of the same

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.

Shift register unit and method for driving the same, gate drive circuit and display device

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.

Light emitting device including light coupling sub-layers having a stacked step structure, and manufacturing method thereof

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.

Organic electroluminescent device with functional layers of different refractive indices, and display apparatus having the same

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Beijing, China

Jiandong Bao