Wuhan China Star Optoelectronics Technology Co., Ltd.

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Shenzhen Jinyinhengye Electronic Co., Ltd.

Man Li

Xiaoping Tan

Xingling Guo

Zhenzhou Xing

Feilin Ji

Jiehui Qin

Qingcheng Zuo

Jinjie Zhou

Xiaoling Yuan

Wei Feng Chen

Bin Xiong

Chunpeng Guo

Yao-li Huang

Hui Huang

Jianxing Xie

Taisheng An

Sijie Yang

Bowen Ye

Projector

A display device and a display method are provided. The display device includes a display screen, and wherein the display screen includes a first displaying area and a second displaying area. The first displaying area is in a non-displaying state when a main control system receives a specific signal for driving a recognizing module, and the first displaying area is in a displaying state when the main control system does not receive the specific signal for driving the recognizing module.

Display device and display method background of the disclosure

A touch display panel includes touch detection electrodes and fingerprint recognition electrodes that share a common electrode layer. The pixel electrodes function as a drive pixel layer to induce capacitive coupling with respect to the fingerprint recognition electrodes, based on which operations of displaying, touch detection, and fingerprint recognition are carried out in a time sharing manner. The touch display panel requires no integration of separately made fingerprint recognition device and a touch display panel, and fingerprint detection can be realized with an existing layered structure of the touch display panel to thereby effectively save the manufacturing cost of the touch display device and achieve an effect of integrating a fingerprint recognition device and a touch display panel. A touch display device that includes the touch display panel is also provided.

Touch display panel having fingerprint recognition device integrated therewith and touch display device including same

The present invention provides a notebook computer. The notebook computer includes a secondary display screen that has a small size and a primary display screen that has a large size. The secondary display screen may be a touch display screen and is operable for solely displaying an image and conducting an input/output operation so that when the operation life of the notebook computer get short, the large-sized primary display screen can be shut down for reducing energy consumption, while the secondary display screen may be powered by the notebook computer or may be provided with an individual battery to supply electrical power thereto and may establish communication through a contact type connector with a main board of the notebook computer or communicate with the main body of the notebook computer through wireless communication modules, so that the notebook computer may possesses extended operation life and is also operable in multiple operation modes that can be selected and set by a user so as to improve user's experience and production competition power.

Notebook computer

The present disclosure relates to a driving system of display panels. The driving system includes a main board and a display panel. The main board is configured with a driving chip, and the driving chip electrically connects to the display panel via a flexible circuit board to drive the display panel to display. With such configuration, the driving system is configured with the main board and the driving chip, and the driving chip is arranged on the main board, instead of the flexible circuit board. With such configuration, the space of the display area occupied by the components is reduced so as to realize the narrow border design for a top border and a bottom border of the display panel. In this way, the screen ratio of the display panel is increased.

Driving systems of display panels

A driving method, a driver circuit and a designing method of a driver circuit for an in-cell touch display panel are provided. The driving method includes: connecting all horizontal scan lines of the touch display panel to a first GOA circuit, the first GOA circuit performing display scanning according to a preset timing sequence; and after completing each time of TP scanning according to preset timing sequence, a first horizontal scan line in a following scanning according to preset timing sequence still connected to a second GOA circuit, the second and first GOA circuits synchronously performing display scanning to the first horizontal scan line. The driving method, driver circuit and design method of driver circuit for in-cell touch display panel provided by the invention solve the dark line problem appearing in time-sharing scanning between display and TP terms for in-cell touch display panel, and improve display quality.

Driving method, driver circuit and design method of driver circuit for in-cell touch display panel

The present application discloses a bilateral driving device and a tablet display. The bilateral driving device includes a first source driver, a second source driver and at least two driving signal lines connected to the first source driver, a second source driver, wherein the connection of the middle site of the at least two driving signal lines is not parallel to the specific edge of the display panel. By adapting the embodiment of the present application can utilize the visual characteristics of the human eye, the connection of the middle site of the at least two driving signal lines is not parallel to the edge of the display panel to confuse the dark spots and bright spots, to enhance brightness uniformity of the display panel, and improve the display quality.

Bilateral driving device and tablet display

The invention provides a driving method, driver circuit and designing method of driver circuit for in-cell touch display panel. The driving method comprises: Step: connecting all horizontal scan lines of the touch display panel to a first GOA circuit, the first GOA circuit performing display scanning according to a preset timing sequence; Step: after completing each time of TP scanning according to preset timing sequence, a first horizontal scan line in a following scanning according to preset timing sequence still connected to a second GOA circuit, the second and first GOA circuits synchronously performing display scanning to the first horizontal scan line. The driving method, driver circuit and design method of driver circuit for in-cell touch display panel provided by the invention solve the dark line problem appearing in time-sharing scanning between display and TP terms for in-cell touch display panel, and improve display quality.

The present disclosure discloses a driving method and a driving device of a display panel. The driving method comprises: to detect the operating state of said display panel; to switch the bias current which is in said data line driving circuit according to said operating state of said display panel in order to make display brightness of said display panel be uniform. Through the above way, the present disclosure can improve the signal distortion caused by the leakage current of the gate signal on the data line, making the brightness of the display panel be uniform, improving the user's experience.

Time-sharing driving method of touch display panel

The present invention provides a display driving circuit and a liquid crystal display panel with adding a first AND gate (AND), a second AND gate (AND) and a third AND gate (AND). Two input ends of each of the three gates receives a branch control signal and a conditioning signal (BURR), and the conditioning signal (BURR) first performs several high and low voltage level conversions and then maintains the high voltage level, respectively in the high voltage level durations of the respective branch control signals to make the signal outputted by the output end of the first AND gate, the signal outputted by the output end of the second AND gate and the signal outputted by the output end of the third AND gate first perform several high and low voltage level conversions and then maintain the high voltage level.

Display driving circuit and liquid crystal display panel

A touch driving circuit and a touch sensitive display panel are provided. The touch driving circuit is disposed on a corresponding touch sensitive display panel. The touch driving circuit includes a touch driving chip, driving signals encoders, driving lines, sensing lines, driving wires, and sensing wires. Preliminary touch driving signals herein include touch data signals and touch clock signals, and the driving signals encoders convert the touch data signals into the touch driving signals according to the touch clock signals.

Touch driving circuit and touch sensitive display panel

A touch display device and an improvement method to a touch display device are disclosed. The improvement method first determines whether the touch display device turns on the touch mode. If yes, image data input to the touch display device is obtained and feature data is extracted from the image data. Then, adjustment or compensation factors are obtained according to the feature data. Grey level compensation sequence is also obtained. The duty cycle of the control signal for the touch display device is adjusted according to the factors and the grey level compensation sequence, so as to improve the display difference for a same grey level image due to the turning on of the touch mode.

Touch display device and improvement method therefor

The present disclosure discloses a mutual capacitive in-cell display device and the driving method thereof. The mutual capacitive in-cell display device comprises: a first substrate; a touch panel, which is provided on the first substrate; a driver integrated circuit, which is used to send a first enable signal and a second enable signal; multiple gate lines, each gate line comprising a first switching transistor, the control terminal of the first switching transistor being connected to the driver integrated circuit; multiple data lines, each data line comprising a second switching transistor, the control terminal of the second switching transistor being connected to the driver integrated circuit. When the first switching transistor is turned on in responses to the first enable signal and the second switching transistor is turned on in response to the second enable signal in standby mode, the multiple data lines are connected to the touch panel to discharge.

Mutual capacitive in-cell display device and the driving method thereof

The present invention provides a backlight module, a liquid crystal display device and a backlight adjustment method thereof; the backlight module comprises a light guide plate and a LED light bar located at an incident side of the light guide plate, and the LED light bar comprises a driving chip, LED lamps of at least two different color temperatures, which are alternately aligned, and the LED lamps of the same color temperature are coupled in series to construct a route, and each route is coupled to an adjustable resistance in series, and the routes constructed by the LED lamps after parallel connection are all coupled to the driving chip to construct a driving circuit, and the backlight module further comprises a control module, and the control module is coupled to the driving circuit.

Backlight module, liquid crystal display device and backlight adjustment method thereof

A converting method of driving data of display panels having a plurality of display areas includes: A) initializing M to be zero; B) A(m, n)=1&#x2212;q&#xd7;M, wherein q is greater than zero and smaller than one, (m, n) represents a coordinate of the display area, and A(m, n) represents to adjustment parameters corresponding to the display area; C) converting inputted RGB data into intermediate RGBW data corresponding to the display area in accordance with the adjustment parameter; D) calculating a color saturation value of the HSV color space in accordance with the intermediate RGBW data; E) determining whether the color saturation value is not smaller than a predetermined saturation value corresponding to the display area; and F) outputting the intermediate RGBW data when the color saturation value is not smaller than the predetermined saturation value.

Growing community of inventors

Guangdong, China

Man Li