Beijing Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Yao Yu

Zhengxin Zhang

Yi Zheng

Shuai Xu

Xin Li

Lingyun Shi

Zhiyong Wang

Jian Ren

Yun Sik Im

Jing Wang

Lei Tang

Yang Pei

Zhenwei Wang

A gate drive on array unit, a gate drive on array circuit and a display device are disclosed. The gate drive on array unit including: a control module configured to output a clock signal under control of a gate driving signal of a previous stage of gate drive on array unit or a start input signal; an output module connected to the control module and configured to output a high voltage signal (VGH) as a gate driving signal of the present stage under control of the clock signal outputted from the control module, and output a low voltage signal under the control of the clock signal outputted from the control module; and a reset module connected to the output module, and configured to reset the gate driving signal of the present stage under the control of a gate driving signal of a next stage of gate drive on array unit.

Gate drive on array unit, gate drive on array circuit and display apparatus

The present invention discloses a driving method and device of a touch control display configured to resolve the problems such as image smearing and jittering caused by the touch control displaying during the image displaying by the display with the touch functions. The driving method of the touch control display includes: detecting whether or not a touch currently occurs on the touch control panel after the touch control display panel displaying the present image frame and before displaying the next image frame; when a occurred touch event is detected, controlling the display panel to display the inserted image with equal grayscale for each pixel of the display during a prescribed period; and controlling the touch control panel to execute the touch control command based on the touch signal corresponding to the occurred touch event.

Driving method and driving device of touch control display

The present disclosure discloses a driving circuit for electrophoretic display, including a data line driving integrated circuit and a gate line driving integrated circuit, characterized in that the output terminal of each data line in the data line driving integrated circuit is configured with a modulation unit including a thermosensitive element, and the modulation unit adjusts the pulse width of the voltage signal outputted at the output terminal of the data line according to change of temperature to realize temperature compensation for the dielectric characteristic of the electrophoretic film of the electrophoretic display. The present disclosure also discloses an implementation method of the driving circuit and an electrophoretic display device. According to the present disclosure, the workload of the early stage experiment process of the product design can be saved, the production efficiency of the products can be improved, and the storage space of the chip can also be saved.

Driving circuit for electrophoretic display, implementation method thereof and electrophoretic display device

A pixel unit, including: a pixel electrode, a gate electrode, a gate electrode line connected with the gate electrode, a source electrode, a data line connected with the source electrode, a second electrode disposed in a same layer as the pixel electrode, a first drain electrode connected with the pixel electrode, and a second drain electrode connected with the second electrode; the first drain electrode and the second drain electrode and the source electrode are provided with a channel therebetween, and the first drain electrode and the second drain electrode do not contact each other; along a direction of the data line, the edge of the second electrode is parallel with the edge of the pixel electrode and the two do not contact. An array substrate, a pixel driving method and a display device are further disclosed for overcoming the phenomenon of light leakage of the edge of the pixel unit caused by reduction of the width of the black matrix.

Pixel unit, array substrate, display device, and pixel driving method

A shift register unit, a shift register and a display apparatus are provided. The shift register unit includes a voltage-boosting module configured to output a first level signal when receiving a gate driving signal sent from the previous stage of shift register unit; a signal output module configured to output a gate driving signal under the control of a first clock signal based on the first level signal output by the voltage-boosting module; a reset module configured to control the signal output module to reset under the control of a reset signal; and a pull-down module configured to pull down the output level of the signal output module under the control of a second clock signal. It is possible to reduce the power consumption of the integrated circuit and avoid the abnormal waveform issue due to the decay of the reset signal by employing the technical solutions of embodiments of the present disclosure.

Shift register unit, shift register and display apparatus

The present disclosure provides a method for converting a Two-Dimensional image into a Three-Dimensional image, comprising: obtaining high-frequency components and low-frequency component of the current frame, and high-frequency components of the reference frame; establishing triangular geometric models in the three directions of horizontal, vertical and diagonal, respectively; performing a motion search on the high-frequency components of the reference frame in the three directions of horizontal, vertical and diagonal, respectively, so as to obtain motion vectors in the corresponding directions, and calculating depth variations of the corresponding directions according to the motion vectors in the corresponding directions; performing an interpolating operation on the triangular geometric models in the three directions of horizontal, vertical and diagonal, respectively, according to the depth variations in the corresponding directions, so as to obtain high-frequency depth graphs in the corresponding directions; and completing a filtering reconstruction by performing an inversion wavelet transform on the high-frequency depth graphs in the three directions of horizontal, vertical and diagonal and the low-frequency component of the current frame, respectively, so as to construct a three-dimensional video image. With the present disclosure, a conversion to the 3D image from the 2D image may be realized.

Method and apparatus for converting two-dimensional image into three-dimensional image

A touch screen comprises a first substrate, a second substrate and a third substrate sequentially stacked. A first sensing layer is provided on a first surface of the second substrate opposing to the third substrate, and a second sensing layer is provided on a surface of the third substrate opposing to the second substrate. The second substrate provided with the first sensing layer and the third substrate provided with the second sensing layer constitute a touch unit for sensing a touch signal, and the second substrate and the first substrate constitute a display unit for displaying.

Touch screen and manufacturing method

The embodiments of the present invention provide a touch detecting method and a touch detecting apparatus. The touch detecting method may include: dividing a plurality of detecting rows in a touch screen into row groups; determining a selected detecting row in each row group; performing a primary touch detecting on pixel points in each detecting row in each row group, wherein the touch detecting on the pixel points in the same pixel column in the same row group is performed synchronously; upon there being a pixel column existing touch feedback in any row group, performing a subsidiary touch detecting on the pixel points in the selected detecting row in the pixel column, to determine the pixel point being touched. The touch detecting method and touch detecting apparatus according to the embodiments may solve problems of responding slowly, halting, or not responding caused by too many touch detecting times in the prior art.

Touch detecting method and touch detecting apparatus

A driving circuit for a liquid crystal display comprises a light sensitive element configured to be arranged on a liquid crystal panel of the liquid crystal display, and detect an operation state of a backlight source of the liquid crystal display; and a reset signal output device configured to receive an input signal from the light sensitive element in accordance with the operation state of the backlight source, and output a reset signal to a gate line driver of the liquid crystal display so as to turn on all of gate lines on the liquid crystal panel.

Driving circuit and driving method thereof and liquid crystal display

The present invention discloses a driving method and a driving circuit of a liquid crystal panel, which relates to the field of liquid crystal displaying technology, and solves the problem of the ion accumulation in a TFT channel. The driving method of a liquid crystal panel according to embodiments of the present invention comprises: inputting an offset pinch-off voltage to gate scan lines of each row within a vertical blanking period between two successive frames, the offset pinch-off voltage being an original pinch-off voltage plus a predetermined voltage offset; and inputting the original pinch-off voltage to the gate scan lines at the time other than a gate turn-on time and the vertical blanking period. The embodiments of the present invention are mainly applied to the field of displaying of liquid crystal panels.

Growing community of inventors

Beijing, China

Yao Yu