Chengdu Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Boe Technology Groupco., Ltd.

Wenjun Liao

Taoran Zhang

Da Zhou

Zailong Mo

Linxuan Li

Jiawei Qu

Qiao Feng

Ke Dai

Yiyang Zhang

Yanyang Shang

Jianbo Wang

Wenjin Huang

Cailong Zhou

Honghao Zhao

Yanting Lu

A display substrate, including: a display region, a pad bending region, and a first transition region located between the display region and the pad bending region, wherein the display region is provided with a signal line layer; the pad bending region is provided with a first wire layer; the first transition region is provided with a first connecting layer; the first connecting layer is provided with a first step formed by at least one inorganic insulation layer; the signal line layer is electrically connected to the first connecting layer by means of a first through hole provided in the first step; and the first wire layer is electrically connected to the first connecting layer.

Display substrate with transition area and manufacturing method thereof, and display apparatus

A display substrate includes a plurality of data lines and a plurality of columns of pixel driving circuits. A column of pixel driving circuits is connected to a corresponding data line, and each pixel driving circuit includes a driving transistor and a first transistor. The driving transistor is a P-type transistor. The first transistor includes: a first active pattern having a first channel region, and a first doped region and a second doped region on two opposite sides of the first channel region; a first gate; and a first insulating block disposed on a side of the first active pattern away from the base and having a first via. The data line is connected to a portion of the first active pattern located in the first doped region through the first via. Sizes of all first vias in the column of pixel driving circuits gradually decrease in a first direction.

Display substrate, display panel and display apparatus

A pixel circuit includes sub-pixel circuits each including a reset sub-circuit, a driving sub-circuit, and a light-emitting device. The reset sub-circuit is configured to input a voltage provided by an initial voltage terminal to the driving sub-circuit under control of a signal from a first reset control terminal. The driving sub-circuit is configured to control a driving current flowing through the light-emitting device according to a data signal output by a data terminal. The sub-pixel circuits include first and second sub-pixel circuits that are located in two adjacent columns, and connected to a same data terminal. A first reset control terminal and a writing control terminal of the first sub-pixel circuit are connected to first and second scanning signal terminals. A first reset control terminal and a writing control terminal of the second sub-pixel circuit are connected to second and third scanning signal terminals.

Pixel circuit and driving method therefor, array substrate and display apparatus

A display panel includes a base substrate, a display area and a non-display area provided on the base substrate; a data line is provided in the display area and a detection line is provided in the non-display area on the base substrate; and the detection line is electrically connected to a data line and is formed by overlapping a plurality of wire segments. A method of manufacturing a display panel, and a display device are further disclosed.

Display panel, manufacturing method thereof, and display device

The present disclosure provides a method for manufacturing an array substrate, an array substrate, and a display device. By first forming holes in a first thin film transistor, then simultaneously performing hydrogen supplementation on the first thin film transistor and a second thin film transistor, and then forming holes in the second thin film transistor, the first thin film transistor and the second thin film transistor can be repaired and compensated in different degrees by hydrogen supplementation.

Method for manufacturing array substrate, array substrate and display device

A display panel, a display device and a detection method are provided. The display panel includes a display area and a peripheral area surrounding the display area. Pixel units arranged in an array are disposed in the display area. The pixel unit includes a pixel driving circuit. A crack detecting line is disposed in the peripheral area, and the crack detecting line is connected to a reset signal terminal of the pixel driving circuit of at least one pixel unit. The display panel can reduce the influence of the voltage drop over the crack detection line on the brightness during the electrical detection stage, and can also improve the crack detection rate of the peripheral area.

Display panel, display device and detection method

A pixel circuit includes a storage capacitor unit, a driving transistor, a compensation unit, a switching unit, a light-emitting element and a current supply unit. The compensation unit is connected to a compensation control end, a gate electrode and a second electrode of the driving transistor, and the current supply unit, and configured to, under the control of the compensation control end, control the current supply unit to be electrically connected to, or electrically disconnected from, the gate electrode, and control the gate electrode to be electrically connected to, or electrically disconnected from, the second electrode. The switching unit is connected to a light-emitting control end, the second electrode, and a first end of the light-emitting element, and configured to control the second electrode to be electrically connected to, or electrically disconnected from, the first end of the light-emitting element under the control of the light-emitting control end.

Pixel circuit, driving method thereof and display device

A method, device and system for detecting a display panel are disclosed. The display panel includes a plurality of groups of pixels, and the method includes: controlling the plurality of groups of pixels to be successively displayed with a first gray scale, and in condition that an ith group of pixels are displayed with the first gray scale, controlling other groups of pixels in the plurality of groups of pixels except the ith group of pixels to be displayed with a second gray scale, the ith group of pixels being any group of pixels in the plurality of groups of pixels; detecting a first current output by the display panel, in a process of displaying the ith group of pixels with the first gray scale; determining that a display abnormality occurs to the ith group of pixels, in condition that the first current is not within a first current range.

Method, device and system for detecting display panel

An aging device for a display panel includes: a bearing device, including a bearing surface that is configured to bear the display panel; a fixture, including a plurality of pins which are configured to provide a screen turning-on signal for the display panel; a first electrode and a second electrode, wherein the first electrode and the second electrode are in an opposite arrangement and configured to apply an electric field to the display panel. The aging device achieves aging by providing an electric field for the display panel, avoids the burning of the thin film transistor devices of the display panel caused by the excessive bias and allows the thin film transistors at different positions to be uniformly aged, and is also easy to operate and implement.

Aging device and aging method

The present disclosure relates to an OLED pixel circuit, a method for driving the same and a display device. The OLED pixel circuit includes: a data writing and compensating circuit configured to make compensation to a threshold voltage of the first driver; the first driver configured to drive the light emitting device after the threshold voltage is compensated; the second driver configured to drive the light emitting device; the light emitting controller connected to the light emitting device and a second signal terminal, and configured to connect the first driver and the second driver to the light emitting device; and the light emitting device emitting light by joint driving of the first driver and the second driver.

Growing community of inventors

Beijing, China

Wenjun Liao