Boe Technology Group Co., Ltd.

Ordos Yuansheng Optoelectronics Co., Ltd.

Chongqing Boe Display Technology Co., Ltd.

Beijing Boe Optoelectronics Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Boe Technology Groupco., Ltd.

Tsinghua University

Honeywell G.m.b.h.

Nuctech Company Limited

Dawei Shi

Wentao Wang

Lu Yang

Zifeng Wang

Haifeng Xu

Feng Li

Fengguo Wang

Zhixuan Guo

Lei Yao

Pei Wang

Yuanbo Li

Hong Liu

Xinguo Wu

Bo Ma

Cenhong Duan

Wei Zhang

Jonguk Kwak

Jinfeng Wang

Xiaowen Si

Jinjin Xue

Shicheng Sun

Lei Yan

Lin Hou

Can Huang

Yu Wang

Jian Nan Guo

Jing Zhao

Fang Yan

Dongsheng Zhao

Weixin Meng

Cunzhi Li

Tianlong Zhao

Lei Wang

Fuqiang Li

Jie Liu

Yezhou Fang

Xu Liang Li

Shuang Hu

Mei Li

Jiandong Bao

Xiaofang Li

Haiqin Liang

Bangwei Wu

Xue Dong

Xiaochuan Chen

Haisheng Wang

Zhiqiang Chen

Changfeng Li

Yuanjing Li

Rui Li Xu

Hailin Xue

Liang Zhou

Johan Backstrom

Xinwei Wu

Weilin Lai

Liman Peng

Lina Wang

Tianlei Shi

Michael Forbes

Teng Chen

Panpan Zhang

Xianghao Wu

Xinyou Ji

Tongwen Chen

Hongcheng Gao

Wenxiu Li

Ning He

Hongliang Liu

Yanyan Xu

Hyunjin Kim

Chuanyong Li

Lulu Ye

Nana Gao

Yanzhao Peng

Hyoungseok Park

Xingyu Peng

Liang Huo

Liji Cheng

Weitao Ma

Lingfei Wang

Yaoda Hou

Shiguo Liu

Xiaosong Wen

Shuaizhuo Liu

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 panel has a display region and a bezel region located on a periphery of the display region, and the display region includes a first region and a second region. The display panel includes a plurality of pixel driving circuits located in the first region and a plurality of pixel driving circuits located in the second region. A density of the pixel driving circuits in the first region is less than a density of the pixel driving circuits in the second region.

Display panel and display device

Provided in the present disclosure are a display panel and a display device. The display panel comprises: a base substrate; multiple contact electrodes, arranged on the base substrate in a non-display region of the display panel; an inorganic film layer, arranged on the side of the contact electrodes in proximity to the base substrate; the inorganic film layer comprising an inorganic material; an organic film layer, arranged on the side of the contact electrodes away from the base substrate; and a barrier layer, arranged on the side of the organic film layer away from the base substrate; the barrier layer comprising an inorganic material; and, the organic film layer being provided with openings in at least some gaps between adjacent contact electrodes.

The present disclosure provides a display substrate and a display device. The display substrate includes a driving circuit, a light-emitting element, a first light-emitting control circuit, a first control circuit, a second control circuit, a third control circuit, a data writing-in circuit and an energy storage circuit. The first control circuit is configured to control to connect the first voltage line and a first end of the light-emitting element under the control of the first control signal; the second control circuit is configured to control to connect the reference voltage line and the second end of the light-emitting element under the control of a second control signal; the third control circuit is configured to control to connect the first end of the energy storage circuit and the control end of the driving circuit under the control of a third control signal.

Pixel circuit, driving method, display substrate and display device

A driving backplane includes: a base; a first conductive layer disposed on the base, the first conductive layer including at least one first signal line; a first insulating layer disposed on a side of the first conductive layer away from the base; a second conductive layer disposed on a side of the first insulating layer away from the first conductive layer, the second conductive layer including at least one second signal line. Each first signal line and a second signal line constitute a signal line pair. In the signal line pair, extending directions of the first signal line and the second signal line are the same, an orthogonal projection of the first signal line on the base and an orthogonal projection of the second signal line on the base have a first overlapping region, and the second signal line is coupled to the first signal line.

Driving backplane and method of manufacturing the same, and display apparatus

A touch panel and a manufacturing method thereof, and a display device. An insulation layer () positioned between a substrate () and a polarizer () is configured to comprise a silicon nitride layer () and a barrier layer () positioned at one side of the silicon nitride layer () away from the substrate (). The barrier layer () can serve as a covering layer that stops an ammonia gas escaped from the silicon nitride layer () from moving to the polarizer () so as to prevent fading of the polarizer. The insulation layer () is configured to comprise two thin layers, namely a silicon nitride layer () and a barrier layer ().

Touch panel and manufacturing method thereof, and display device

A display panel includes a base, a plurality of sub-pixels and a plurality of gate control lines that are disposed on the base. Each sub-pixel includes a pixel circuit. The pixel circuit includes a driving transistor and at least one first switching transistor electrically connected to a control electrode of the driving transistor. Each pixel circuit is electrically connected to at least two gate control lines. A first switching transistor includes an active layer. The active layer includes an active layer body and at least one extension portion, and the active layer body includes at least one channel portion and at least one conductive portion. An extension portion is electrically connected to a conductive portion of the active layer body. At least a portion of an orthogonal projection of the extension portion on the base is overlapped with an orthogonal projection of a gate control line on the base.

Display panel including extension portion, pixel circuit including voltage stabilizing sub-circuits and display apparatus

Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a first display region and a second display region within the first display region, wherein the first display region includes a plurality of emitting units, and the second display region includes a plurality of electrophoretic units, the plurality of emitting units are configured to realize display, and the plurality of electrophoretic units are configured to realize switch between a display state and a transparent state.

Display substrate and preparation method thereof, and display apparatus

An organic light-emitting display panel is provided. The organic light-emitting display panel includes a substrate and a plurality of pixel units disposed on a side of the substrate, wherein the pixel unit includes an organic light-emitting diode (OLED); the substrate has a first pixel density area and a second pixel density area, and a density of pixel units in the first pixel density area is greater than that of pixel units in the second pixel density area; and in the second pixel density area, a light-emitting surface of the OLED protrudes along a light-emitting direction of the OLED.

Organic light-emitting display panel, preparation method thereof, display apparatus and electronic device

An array substrate, a manufacturing method thereof and a display device are provided. The array substrate includes: a base substrate; a first electrode located on the base substrate and including a pad portion, the pad portion including a first surface and a second surface, the second surface being closer to the base substrate than the first surface; a first insulation layer located on the first electrode and including a first via hole; a second insulation layer located on the first insulation layer and including a second via hole; and a second electrode located on the second insulation layer; the second electrode is electrically connected with the first electrode at the pad portion through the first via hole and the second via hole, and an orthographic projection of the pad portion on the base substrate falls within an orthographic projection of the second via hole on the base substrate.

Array substrate, manufacturing method thereof, and display device

An array substrate and a method for manufacturing the same, and a display device are provided. The array substrate includes a base substrate and the array substrate includes a plurality of pixel units. In each of the plurality of pixel units, the array substrate includes a thin film transistor and a storage capacitor disposed above the base substrate, the storage capacitor includes a metal layer, an intermediate layer, and a reflective layer disposed in a stacked manner, the metal layer being adjacent to the base substrate. The array substrate further includes a common electrode layer disposed on a side of the storage capacitor facing away from the base substrate, the reflective layer is electrically connected to the common electrode layer, and the metal layer is electrically connected to an active layer of the thin film transistor.

Array substrate, method for manufacturing the same, and display device

The present disclosure provides an intelligent lock. In an embodiment, the intelligent lock includes: a lock body having a lock hole; a lock lever, the lock lever being capable of being plugged into and being unplugged out of the lock hole of the lock body; a first restricting member movably provided inside the lock body, and capable of being moved and latched into the lock hole to restrict the plugging of the lock lever into the lock hole or the unplugging of the lock lever out of the lock hole; a second restricting member movably provided inside the lock body, and capable of being abutted against the first restricting member so as to restrict a movement of the first restricting member; a detecting device provided in the lock body, and configured to detect the plugging operation of the lock lever into the lock hole or the unplugging operation of the lock lever out of the lock hole and to send a detection signal; and a main control element communicatively connected to the detecting device, and configured to determine a locking state of the intelligent lock in accordance with the detection signal sent by the detecting device.

Intelligent lock

A pixel detection circuit includes a wire, at least one detection signal input terminal, at least one detection signal output terminal, and a first pixel drive circuit comprising a first switch circuit, a second switch circuit, and a third switch circuit. A display apparatus including the pixel detection circuit and a detection method applied to the pixel detection circuit are further provided.

Pixel detection circuit, display apparatus, and detection method

The present disclosure provides an OLED display substrate, a fabricating method thereof and a display device. The OLED display substrate includes a substrate; an inorganic layer and a light-emitting unit on substrate, light-emitting unit being on a side of inorganic layer away from substrate and including a light-emitting structure; a camera on a side of substrate away from inorganic layer, and light-emitting unit being not in orthographic projection region; a protective layer in orthographic projection region and on side of inorganic layer away from substrate, wherein protective layer is configured to protect inorganic layer in orthographic projection region from warping or cracking in a process of removing part of light-emitting structure in orthographic projection region by laser cutting.

OLED display substrate comprising camera and protective layer, fabricating method thereof, and display device

The disclosure relates to a pixel circuit and a testing method of the pixel circuit. The pixel circuit comprises a light emitting element, a storage capacitor Cst, a drive sub-circuit, a reset sub-circuit, a write sub-circuit, a light emission control sub-circuit and a testing element, wherein a control terminal of the testing element is connected to s reset control signal line, a first terminal of the testing element is connected to a reset signal line, a second terminal of the testing element is connected to the drive sub-circuit, and the testing element is configured to test elements included in the pixel circuit.

Pixel circuit and testing method

Growing community of inventors

Beijing, China

Dawei Shi