Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Ming-Jong Jou

Xiaolong Chen

Yi-chien Wen

Shen-sian Syu

Yufeng Jin

Hao Li

Ronggang Wang

Lin Li

Jian He

Yi-Chien Wen

Limin Wang

Jing Xu

Yufan Deng

ShenSian Syu

Bobiao Chang

Xuebing Zhou

A pixel driving circuit includes a driving transistor, a first switch, a second switch, a third switch, a fourth switch, a first capacitor, a second capacitor, an initial-voltage-signal terminal, a data-voltage-signal terminal, and a driving-voltage-signal terminal. The driving transistor includes a gate terminal, a source terminal, and a drain terminal. The first switch is disposed between the gate terminal and the drain terminal. The gate terminal is connected with the initial-voltage-signal terminal via the second switch. The source terminal is connected with the driving-voltage-signal terminal and the data-voltage-signal terminal via the third switch and the fourth switch, respectively. The first capacitor is connected between the gate terminal and a ground terminal. The second capacitor is connected between the gate terminal and the source terminal. A pixel driving method and a display panel are also provided.

Display panel, pixel driving circuit, and drving method thereof

A display panel and a display are provided. The display panel includes a glass substrate, at least one driving chip and a flexible printed circuit, wherein the at least one driving chip is electrically connected to the flexible printed circuit. Both the at least one driving chip and the flexible printed circuit are arranged on the glass substrate together to reduce the thickness of the display.

Display panel and display

Display panel, pixel driving circuit, and drying method thereof

The present disclosure provides a digital driving method and a digital driving system of an OLED display device. The digital driving method includes: dividing the frame into N sub frames, wherein N is an integer larger than or equal to 2, one of the sub frames is a full-brightness sub frame, the full-brightness sub frame includes a full-emission sub frame and the blanking period, pixels of the OLED display device keep emitting lights within the full-emission sub frame, and the blanking period follows the full-emission sub frame; determining the time ratios of driving the pixels in the sub frames as &#xbd;, &#xbd;. . . , 1 to increase the luminance of the OLED display device, wherein the time ratio of driving the pixels in the full-brightness sub frame is 1. By using the present disclosure, the brightness uniformity of the OLED display device can be increase.

Digital driving method and system of OLED display device

A pixel driving circuit, a driving method thereof and an OLED display panel are provided. A plurality of scanning lines and a plurality of data lines of the pixel driving circuit intersect to define a plurality of pixel units, the plurality of pixel units in each row are connected to a corresponding scanning line and a corresponding power line, the plurality of pixel units in each column are connected to a corresponding data line, in a scanning period, scanning signal is input to an end of the scanning line to drive the plurality of pixel units along a first direction, power driving signal is input to an end of the power line opposite to the end of the scanning line to which the scanning signal is input to drive the plurality of pixel units along a second direction, the first direction and the second direction are opposite.

Pixel driving circuit, driving method thereof and OLED display panel

A compensation table compressing method is provided, processes each encoding block by prediction modes and select one prediction mode with the minimum rate distortion optimizing value as an optimized prediction mode by the rate distortion optimizing method such that each encoding block can correspond to an optimized prediction mode, which lowers the compression ratio of the compensation table and the time complexity of encoding and increases the quality of compression.

Compensation table compressing method

A method for improving display panel display effect and a display panel are disclosed, the method includes: pre-acquiring an external compensation lookup table corresponding to each pixel grayscale 255 in the display panel; introducing the external compensation lookup table to the storage unit and replacing the data corresponding to an original grayscale 255 in the preset voltage table; driving the PWM driving circuit according to a replaced data. It combines the external compensation method to improve the display effect of the PWM digital drive and avoids the problem that the PWM circuit cannot eliminate the unevenness of the display panel in the grayscale 255 and enhance the actual display effect of the display panel.

Method for improving display effect of display panel and display panel

A digital control driving method and a driving display device are disclosed. In the method, dividing an image frame into K sub-frames by a hit using a digital control method is adopted. Wherein in one frame period of the image frame, an occupied time of each K sub-frame is the same, and driving times of the K sub-frames are different. The K sub-frames are driven to display on the display panel in a special transmission mode within one frame time of the image frame. The transmission voltage value has only two values, corresponding to the light emission and non-emission of the pixel points on the display panel. The source driver IC only output two grayscale voltages so as to effectively avoid a drift of the Vth of the driving TFT such that an entire brightness of the AMOLED panel is even to improve the display quality.

Digital control driving method and driving display device

The present application provides a pixel driving circuit, which comprises a driving transistor, a first switch, a second switch, a third switch, a fourth switch, a first capacitor, a second capacitor, an initial-voltage-signal terminal, a data-voltage-signal terminal, and a driving-voltage-signal terminal. The driving transistor comprises a gate terminal, a source terminal, and a drain terminal. The first switch is disposed between the gate terminal and the drain terminal. The gate terminal is connected with the initial-voltage-signal terminal via the second switch. The source terminal is connected with the driving-voltage-signal terminal and the data-voltage-signal terminal via the third switch and the fourth switch, respectively. The first capacitor is connected between the gate terminal and a ground terminal. The second capacitor is connected between the gate terminal and the source terminal. The present application further provides a pixel driving method and a display panel.

The present disclosure provides an OLED display panel and a driving method for the OLED display panel. The display panel comprises a first data converter configured to encode voltage data into parallel transmission data, the number of data bits of the transmission data being greater than that of the voltage data; a second data converter configured to convert the transmission data into serial relay data; a transmitter configured to convert the relay data into differential data and send the differential data; and a timing controller configured to receive the differential data and clock information in the differential data, and perform voltage compensation.

OLED display panel and driving method using differential data for voltage compensation

The present application provides a pixel driving circuit, which comprises a driving transistor which comprises a gate terminal, a source terminal, and a drain terminal. The first switch is connected between the gate terminal and the drain terminal. The gate terminal is connected with the reset-voltage-signal terminal via the second switch. The source terminal is respectively connected with the driving-voltage-signal terminal and the data-voltage-signal terminal via the third switch and the fourth switch. The first capacitor is connected between the gate terminal and the charge-voltage terminal. The charge-voltage terminal is connected with a control terminal of the first switch. The second capacitor is connected between the gate terminal and the driving-voltage-signal terminal. The present application further provides a display panel.

Pixel driving circuit and display panel

An augmented reality display method based on a transparent display device and a device are disclosed. The transparent display device is disposed between a user and an object. The method includes: determining a first three-dimensional coordinate location of a user viewpoint related to the transparent display device; determining a second three-dimensional coordinate location of the object related to the transparent display device; determining a position of the object on a viewing region of the transparent display device according to the first and the second three-dimensional coordinate locations; determining a displaying position of the auxiliary information of the object according to the position of the object; and controlling the device to display the auxiliary information of the object at the displaying position. Accordingly, the technology problem that a vision of the user is blocked when displaying the auxiliary information of the object is avoided.

Augmented reality display method based on a transparent display device and augmented reality display device

The present disclosure relates to a pixel driving circuit and an organic light-emitting diode (OLED) display having the pixel driving circuit. The pixel driving circuit adopts a 6T2C (six transistors and two capacitors) structure to compensate a threshold voltage of the driving thin film transistor (TFT) in the pixel. As such, a current passing through the OLED may not be related to the threshold voltage of the driving TFT. So as to eliminate the improper image-displaying of the OLED display resulting from the drifting of the threshold voltage of the driving TFT.

Pixel driving circuit and organic light-emitting diode (OLED) display

The present application provides a pixel driving circuit, which comprises a driving transistor, a first switch, a second switch, a third switch, a fourth switch, a first capacitor, a second capacitor, an initial-voltage-signal terminal, a data-voltage-signal terminal, a reset-voltage-signal terminal, and a driving-voltage-signal terminal. The driving transistor comprises a gate terminal, a source terminal, and a drain terminal. The first capacitor is connected between the source terminal and the gate terminal, the second capacitor is connected between the source terminal and a charge-voltage terminal. The charge-voltage terminal is respectively connected with the reset-voltage-signal terminal and the data-voltage-signal terminal via the first switch and the second switch. The drain terminal is connected with the driving-voltage-signal terminal via the third switch. The gate terminal is connected with the initial-voltage-signal terminal via the fourth switch. The present application further provides a pixel driving method and a display panel.

The present application provides a pixel driving circuit, which comprises a driving transistor, which comprises a gate terminal, a source terminal, and a drain terminal. The source terminal is respectively connected with a driving-voltage-signal terminal and a charge-voltage terminal via a first switch and a second switch. The charge-voltage terminal is connected with a data-voltage-signal terminal via a third switch. The gate terminal is connected with an initial-voltage-signal terminal via a fourth switch, and the gate terminal is connected with the drain terminal via a fifth switch. A first capacitor is connected with the gate terminal and the charge-voltage terminal, a second capacitor is connected with the gate terminal and a ground terminal. The present application further provides a pixel driving method and a display panel.

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Guangdong, China

Ming-Jong Jou