Boe Technology Group Co., Ltd.

Chengdu Boe Optoelectronics Technology Co., Ltd.

Seungyong Oh

Bin Zhang

Jiaxiang Zhang

Gong Chen

Haotian Yang

Hongjin Hu

Chang Wang

Xin Mu

Kang Wang

Inho Park

Xiaoliang Fu

Mingqiang Wang

Lian Xiang

Yuan Fang

Yonglin Chen

Yakun Kong

Xin Li

Fei Li

Wei Gong

Xiaoxia Liu

Xiangdong Wei

Zheng Bao

Xin Bi

Yuanyuan Chai

Yiming Wang

Xiaodong Hao

Renzhe Xu

Kun Zuo

Danyang Bi

Miaomiao Song

Jiaming Shen

Yuren Zhang

Zan Luo

Jingyu Piao

Jiuyuan Bai

Liangliang Ju

The display panel includes multiple pixel units arranged in an array, a pixel unit including multiple sub-pixels, a sub-pixel including a pixel drive circuit and a light emitting element connected with the pixel drive circuit, the display panel further including an initial signal generator, the display panel including a low frequency driving mode and a normal driving mode, the low frequency driving mode including a refresh frame stage for writing data to the pixel unit and a hold frame stage for holding the data written to the pixel unit, the initial signal generator being configured to acquire a current display brightness value band and a pattern to be displayed in the low frequency driving mode; quantize the pattern to be displayed to get an average picture level; determine a corresponding anode reset voltage according to the current display brightness value band and the average picture level.

Initial signal generator, display panel and display method thereof, and display apparatus

The present disclosure provides a pulse width modulation method, a pulse width modulation module and a display device. A display panel includes a pixel circuitry configured to receive a light-emission control signal and control a light-emitting element to emit light under the control of the light-emission control signal, and a display period includes a refresh frame and a maintenance frame. The pulse width modulation method includes: increasing at least one active pulse width of the light-emission control signal within the refresh frame so that the at least one active pulse width of the light-emission control signal is larger than a first active pulse width threshold; and/or decreasing at least one active pulse width of the light-emission control signal within the maintenance frame so that the at least one active pulse width of the light-emission control signal is less than a second active pulse width threshold.

Pulse width modulation method, pulse width modulation module, and display device

A method for controlling voltage output is disclosed. The method is used to control a power supply module to provide a required operating voltage to a display panel, and a display frame of the display panel comprises a plurality of sequential row driving periods, each row driving period comprising a charging period and a non-charging period, wherein during the charging period, a connection between a data line and a corresponding row of sub-pixels is enabled so that data voltages are written into the corresponding sub-pixels. The method comprises controlling the power supply module to output an operating voltage at a preset first operating frequency during a display of a picture to be displayed, wherein a time period during which the power supply module outputs the operating voltage to the display panel does not overlap with the charging period of each row driving period.

Method and system for controlling voltage output, display device, electronic device, and non-transitory computer readable medium

A method for adjusting a gamma voltage of a display module is provided. The method includes: obtaining a gamma voltage of the display module at a basic refresh frequency; obtaining an associated relationship between the gamma voltage of the display module at the basic refresh frequency and a gamma voltage of the display module at a target refresh frequency; and determining the gamma voltage of the display module at the target refresh frequency based on the gamma voltage of the display module at the basic refresh frequency and the associated relationship.

Method for adjusting gamma voltage of display module

A display module, an assembly method of the display module and a display apparatus are provided, which belongs to the technical field of displaying, and the display module includes: a cover plate, a side of which including a first area and a second area adjacently connected to the first area; a display panel attached to the first area; and a spacer attached to a part or all of the second area, a height of the spacer being greater than a height of the display panel. The spacer includes a housing and an injection cavity recessed into interior of the housing, the injection cavity is close to the display panel and the injection cavity is filled with an injection material; and a space cavity is provided at a side of the display panel close to the spacer, and the space cavity is filled with the injection material.

Display module, assembly method of display module, and display apparatus

A printed circuit board and a fabricating method thereof, and a displaying device. The printed circuit board includes a hard-board region () and a soft-board region (), the soft-board region () is located at the periphery of the first edge () of the hard-board region (), the printed circuit board within the hard-board region () includes a base plate (), and an adhesive film (), a covering film () and a first metal layer () that are arranged in layer configuration on one side of the base plate (), the adhesive film () is closest to the base plate (), a flow guiding groove () is disposed on the surface of the side of the covering film () that is closer to the adhesive film (), and the flow guiding groove () extends to a second edge () of the hard-board region ().

Printed circuit board and fabricating method thereof, and displaying device

Disclosed are a foldable screen and a display device. The foldable screen includes: a flexible display panel and a plurality of elastic portions, wherein each of the elastic portions includes each of elastic support members and two connecting rods fixedly connected to each of the elastic support members; wherein the two connecting rods are respectively connected to two flat portions of the flexible display panel, and the elastic support members are configured to supply a support force to the foldable portion in the case that a display surface of the foldable portion of the flexible display panel is coplanar with those of the flat portions.

Foldable screen and display device

Growing community of inventors

Beijing, China

Seungyong Oh