Boe Technology Group Co., Ltd.

Chengdu Boe Optoelectronics Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Dongfang Yang

Guang Yan

Pan Xu

Ling Wang

Yicheng Lin

Ying Han

Juanjuan You

Changyen Wu

Chinlung Liao

Yao Huang

Guoying Wang

Li Sun

Xing Zhang

Chengyuan Luo

Zhan Gao

Xilei Cao

Tian Xiao

Yu Wang

Yang Wang

Xiangdan Dong

Yue Long

Tingliang Liu

Benlian Wang

Xueguang Hao

Dacheng Zhang

Zhenhua Zhang

Xing Yao

Cuili Gai

Song Meng

Wenjun Hou

Yuanjie Xu

Quanhu Li

Binyan Wang

Li Zhu

Lang Liu

Baoxia Zhang

Mingi Chu

Lianbin Liu

Chunjing Hu

Tangxiang Wang

Chen Song

Donghui Yu

Changlong Yuan

Jingyi Feng

Pil Seok Kim

Yongqi Shen

Zhuoran Yan

Xiaoxin Li

A display panel includes a substrate, an insulating layer, a metal layer, a first transparent conductive layer and a second transparent conductive layer. The insulating layer has at least one via hole in each of a second sub-pixel region and a fourth sub-pixel region. The first transparent conductive layer includes a plurality of first transparent conductive lines. The second transparent conductive layer includes a Plurality of second transparent conductive lines. A total overlapping area between an orthographic projection of a first transparent conductive line on the substrate and orthogonal projections, on the substrate, of all via holes, in the second sub-pixel region, of the insulating layer is less than a total overlapping area between an orthographic projection of a second transparent conductive line on the substrate and orthogonal projections, on the substrate, of all via holes, in the fourth sub-pixel region, of the insulating layer.

Display panel and method of manufacturing the same, display apparatus

A display apparatus includes a plurality of rows of subpixels, a first scan circuit, and a second scan circuit. The first scan circuit includes a plurality of first scan units and a plurality of second scan units alternately arranged. The second scan circuit includes a plurality of third scan units. A respective first scan unit and a respective second scan unit are configured to provide control signals to two adjacent rows of subpixels, respectively. A respective third scan unit is configured to provide control signals to the first adjacent row of subpixels and the second adjacent row of subpixels. Control signals output from the respective first scan unit are out of phase with respect to control signals output from the respective second scan unit. A first duration of an effective voltage of a first control signal output from the respective first scan unit is greater than a second duration of an effective voltage of a second control signal output from the respective second scan unit.

Display apparatus

A light-emitting substrate includes a base substrate, an auxiliary electrode line, at least one light-emitting device, and at least one light-detecting device. The auxiliary electrode line is disposed on the base substrate. The at least one light-emitting device is disposed above the base substrate, and a light-emitting device includes a first electrode, a light-emitting functional layer and a second electrode that are sequentially stacked in a direction moving away from the base substrate. The at least one light-detecting device is disposed above the base substrate, and a light-detecting device includes a third electrode and a fourth electrode. The auxiliary electrode line is coupled to the fourth electrode and the second electrode.

Light-emitting substrate and display apparatus

A light-emitting substrate includes a base substrate, light-emitting device(s) and a first insulating layer. A light-emitting device includes a first electrode, a light-emitting functional layer and a second electrode that are sequentially stacked. The first electrode includes a second sub-electrode and a first sub-electrode. The second sub-electrode includes a first portion covered by the first sub-electrode and a second portion except for the first portion. The first insulating layer has a first opening and a second opening. A portion of a side face of the first sub-electrode located on the second sub-electrode is covered by the first insulating layer. A portion of the light-emitting functional layer located in the first opening is in contact with the first sub-electrode, and a portion of the light-emitting functional layer located in the second opening is in contact with the second portion in the second sub-electrode.

A pixel circuit and a driving method therefor and a display panel are provided. The pixel circuit includes a driving circuit, a data writing circuit, a storage circuit, and a first reset circuit; the driving circuit includes a control terminal, a first terminal, and a second terminal, and is configured to control a driving current flowing through the first terminal and the second terminal for driving a light-emitting element to emit light; the data write circuit is configured to write a data signal into the control terminal of the driving circuit; the storage circuit is configured to store the data signal; the first reset circuit is configured to apply a first initialization voltage to the control terminal of the driving circuit; the driving circuit and the data write circuit each include an N-type thin film transistor; and the first reset circuit includes an N-type oxide thin film transistor.

Pixel circuit and driving method therefor and display panel

An organic light emitting diode display substrate includes a light emitting unit layer, a first band gap layer and a color conversion layer. The first band gap layer and the color conversion layer are on a light exit path of the light emitting unit layer. The light emitting unit layer includes first, second and third light emitting units periodically arranged on a driving substrate and emitting light of a first color. The color conversion layer converts a part of the light of the first color into light of a second color and a third color. The first band gap layer is between the light emitting unit layer and the color conversion layer. The first band gap layer transmits the light of the first color in a light exit direction, and reflects the light of the second color and the light of the third color.

Organic light emitting diode display substrate having band gap layer, manufacturing method thereof, and display device

A pixel definition layer for defining a light emitting device, an array substrate and a display panel are provided. The pixel definition layer includes a plurality of recessed parts, each of the plurality of recessed parts includes a bottom and an entire sidewall extending upwards from the bottom; and at least one of the plurality of recessed parts has the entire sidewall provided with a position-limiting structure.

Pixel definition layer, array substrate and display panel

Organic light emitting diode display substrate having a band gap layer and manufacturing method thereof

The present disclosure provides a display device, including: a display panel, a main circuit board, and a plurality of chip-on-films bonded between the display panel and the main circuit board. The wiring area is provided with a plurality of first binding regions; the plurality of first binding regions are distributed along the wiring area. The main circuit board is provided with a plurality of second binding regions which are corresponding to the first binding regions in a one-to-one manner. A shape of the main circuit board is the same as a shape of the wiring area. A first end of each chip-on-film is bonded to one corresponding first binding region; a second end of each chip-on-film is bonded to one corresponding second binding region.

Display device and electronic equipment

A driving compensation method for a pixel circuit includes: in a compensation phase of the pixel circuit, providing a preset signal to the control terminal of the driving transistor to write the preset signal to the control terminal of the driving transistor, to write internal loss voltage of the driving transistor to the first terminal of the driving transistor; wherein the compensation phase includes a first external compensation phase and a second external compensation phase; in the first external compensation phase, the preset signal is a sum of a reference signal and a threshold voltage of the driving transistor; in the second external compensation phase, the preset signal is the sum of the data signal and the threshold voltage of the driving transistor.

Circuit drive compensation method, circuit drive method and device, 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

The present disclosure discloses a sampling method, a sampling control method, a sampling device, a sampling control device, a sampling control system, and a display device. The present disclosure provides a sampling method for sampling pixel units disposed on a display substrate, the method including: the controller controlling a plurality of sampling modules to be simultaneously turned on, so that a plurality of sampling modules controlled by the controller are capable of receiving luminance information of the pixel units obtained through sampling of the sampling channel; the controller sequentially controlling a group of sampling channels to be simultaneously turned on, so that the group of sampling channels simultaneously sample the luminance information, and transmit the sampled luminance information to respective sampling modules connected to the group of sampling channels through the output terminals of the group of sampling channels.

Sampling method and device, sampling control method, device and system, and display device

A pixel circuit comprising an organic light emitting diode; a driving transistor including a gate, a source connected to a first node, a drain connected to a second power supply terminal; and a photosensitive circuit connected between a second node and a third node, the second node configured to receive a reference voltage. The driving transistor is configured to, responsive to a gate voltage and a source voltage, control a magnitude of a driving current flowing through the organic light emitting diode. The photosensitive circuit is configured to sense an intensity of light emission of the organic light emitting diode and to set a potential at the third node according to the reference voltage and the intensity that was sensed, the potential that was set being detectable by an external circuit via a sense line.

Pixel circuit, display panel, display device, and method of driving pixel circuit

A control method for a pixel circuit, a control circuit for a pixel circuit and a display device are provided. A timing sequence of the pixel circuit includes a driving display stage and a non-display stage. The non-display stage includes a reverse bias time period. The control method includes: inputting, in the reverse bias time period, a first control signal to an input end of the pixel circuit to make both the light-emitting element and the driving transistor to be reverse biased.

Control method for pixel circuit, control circuit for pixel circuit and display device

The present disclosure provides a display backboard, a method for fabricating the same and a display device. The display backboard includes a plurality of pixel units arranged in an array, each of the pixel units includes a plurality of sub-pixels, and each of the sub-pixels includes a substrate, a first electrode, a light emitting layer, and a second electrode stacked in sequence. The plurality of the sub-pixels have different emission colors, and thicknesses of the first electrodes among the plurality of the sub-pixels are different, and the thickness of the first electrode is configured so that an emission dipole of the sub-pixel is located at a second anti-node of standing wave on the first electrode side.

Display backboard, method for fabricating the same, and display device

Growing community of inventors

Beijing, China

Dongfang Yang