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

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Shenzhen Malong Technologies Co., Ltd.

Wuhan China Star Optoelectronics Technology Co., Ltd.

Vivo Mobile Communication Co., Ltd.

Limin Wang

Taijiun Hwang

Tai Jiun Hwang

Pengfei Liang

Tai-jiun Hwang

Matthew Robert Scott

Weilin Huang

Sheng Guo

Shiwen Zhang

Zhenling Wang

Ming-Jong Jou

Xiaoning Zhang

Ping-sheng Kuo

Huasheng Su

Hengjie Wang

Dexing Luo

Zhentao Tu

Zhihu Liang

The present application relates to a display compensation method, including: performing an image identification process to display data to be compensated to obtain a display feature message; processing the display data to be compensated to obtain a display panel load coefficient; processing the display panel load coefficient and the display feature message to obtain a voltage drop compensation coefficient; and performing a compensation process to the display data to be compensated by the voltage drop compensation coefficient to obtain compensated display data to achieve compensation of display uniformity.

Display compensation method, device, system, and display apparatus

A SIM card selection method includes: receiving a first input of a user to a target application; and controlling, in response to the first input, the target application to perform a first operation based on a first SIM card. The first SIM card is a SIM card associated with a first display region, and the first display region is a display region in which an icon of the target application is located.

Sim card selection method and terminal device

A timing controller includes: an image input module configured to output respective raw data according to accessed video source data; a data processing module configured to buffer the raw data in one row and splice each row of raw data into display time control data and display luminous control data; a grayscale mapping and dividing module configured to establish a mapping relationship between the display luminous control data and a high grayscale and a mapping relationship between the display time control data and a low grayscale, to output display data; and a timing control module configured to control writing of the display data.

Timing controller and display panel

This disclosure includes technologies for action recognition in general. The disclosed system may automatically detect various types of actions in a video, including reportable actions that cause shrinkage in a practical application for loss prevention in the retail industry. Further, appropriate responses may be invoked if a reportable action is recognized. In some embodiments, a three-branch architecture may be used in a machine learning model for action and/or activity recognition. The three-branch architecture may include a main branch for action recognition, an auxiliary branch for learning/identifying an actor (e.g., human parsing) related to an action, and an auxiliary branch for learning/identifying a scene related to an action. In this three-branch architecture, the knowledge of the actor and the scene may be integrated in two different levels for action and/or activity recognition.

Retail inventory shrinkage reduction via action recognition

In the pixel driving circuit, a cathode of a light-emitting device is connected to an output terminal of a driving module; during a first detection period, an anode of the light-emitting device is connected to a low electrical potential power signal; during a second detection period and a display period, the anode of the light-emitting device is connected to a high electrical potential power signal; and in a light-emitting phase of the display period, voltage values of the output terminals of the driving module are all within a preset range in the pixel driving circuit corresponding to different sub-pixels.

Pixel driving circuit and display panel configured to detect first and second threshold voltages of a driving module

A method of adjusting brightness of a display panel includes a database creation step: storing attenuation data and a plurality of first brightness gain factors in a database. The attenuation data is performance attenuation data of a functional device of a display panel, and the first brightness gain factors are provided to display brightness of the display panel. A retrieving step: retrieving the attenuation data and the first brightness gain factors from the database. An adjustment step: adjusting the first brightness gain factors according to the attenuation data to obtain a plurality of second brightness gain factors.

Method of adjusting brightness of display panel and storage medium

A compensation system and a compensation method for life attenuation of an organic light emitting diode (OLED) device are provided to include a display data input module, an equivalent life calculation module, an OLED device attenuation degree calculation module, a display position weight ratio module, a life compensation data generation module, and a data compensation and display data output module. The life compensation data generation module is configured to generate final life compensation data according to a feedback result of the OLED device attenuation degree calculation module and the display position weight ratio module.

Compensation system and compensation method for life attenuation of OLED device

The present disclosure relates to a color temperature adjustment method of a display. The display is a transparent display. The color temperature adjustment method includes: detecting current color temperature data of a background environment right behind the display, obtaining a color temperature compensation coefficient of the display, calculating a target color temperature of the display according to the color temperature data of the background environment and the color temperature compensation coefficient, obtaining a gamma voltage corresponding to the target color temperature, controlling the display to adjust the color temperature of the display to the target color temperature according to the obtained gamma voltage. The present disclosure further relates to a computer readable storage medium. As such, the color temperature of the transparent display may accurately be adjusted, and the user experience may be improved.

Color temperature adjustment method of display, electronic device, and computer readable storage medium

Disclosed are a system and a method for driving a naked-eye 3D liquid crystal prism. The system includes a driving voltage determination module used to determine a corresponding driving voltage for each driving electrode in a display panel according to human eye space-position information; and a liquid crystal prism driving module used to generate a driving signal for driving a corresponding driving electrode according to the driving voltage, so as to adjust a shape of the liquid crystal prism.

System and method for driving naked-eye 3D liquid crystal prism

Disclosed is a naked-eye three-dimensional display device, which is from top to bottom sequentially provided with a first substrate, a light-emitting layer, a second substrate, a first indium tin oxide (ITO) electrode layer, a three-dimensional prism liquid crystal layer, a second ITO electrode layer and a third substrate. One side of the first substrate facing the light-emitting layer is provided with thin film transistors arranged in a matrix form. Since the first ITO electrode layer is disposed directly on the second substrate, a substrate and a transparent photoresist layer are not used. Thus, the weight of the device is reduced, and the display brightness and the alignment accuracy are improved. When liquid crystal prism electrode units of the first ITO electrode layer and display regions of pixel units are configured to overlap with each other, the influence of transmitted light on naked eye 3D display can be avoided and the 3D display effect is improved.

Naked-eye three-dimensional display device

This disclosure includes technologies for video recognition in general. The disclosed system can automatically detect various types of actions in a video, including reportable actions that cause shrinkage in a practical application for loss prevention in the retail industry. The temporal evolution of spatio-temporal features in the video are used for action recognition. Such features may be learned via a 4D convolutional operation, which is adapted to model low-level features based on a residual 4D block. Further, appropriate responses may be invoked if a reportable action is recognized.

4D convolutional neural networks for video recognition

The present invention discloses a driving system of a display screen and a driving method thereof, the driving system includes: a temperature detecting circuit, for detecting a temperature of a display area of a display screen; a compensation calculation circuit, coupled to the temperature detection circuit, for calculating a compensation control signal of a display voltage of the temperature; and a data driving circuit, coupled to the compensation calculation circuit, for generating a display voltage signal matching the display voltage compensation control signal and transmitting to the display screen. By the driving system, the brightness of the display screen changed with the temperature can be avoided effectively, and the display quality is ensured.

Driving system of display screen and driving method thereof

A scanning drive system of AMOLED display panel is provided. The scanning drive system of AMOLED display panel of this disclosure comprises a gate drive circuit, a scanning signal selection circuit and a pixel drive circuit. The scanning signal outputted to the scanning signal selection circuit by gate drive circuit. The scanning signal selection circuit controls the first output terminal and the second output terminal simultaneously output the low-potential signal, scanning signal, or respectively output the low-potential signal and the scanning signal, or respectively output the scanning signal and the low-potential signal to the pixel drive circuit according to the first control signal and the second control signal. It could simultaneously achieve internal compensation and reduces requirement of output channel number of gate drive circuit, and enhances flexibility control a scanning signal selection circuit.

Scanning drive system of AMOLED display panel

Provided are a display control method, a display control device, a storage medium and a terminal of autostereoscopic three-dimensional (3D) image. The method includes the following steps: capturing distance information of a background object relative to a screen; capturing depth information of display content of the screen; determining a relative positional relation between the background object and the depth based on the distance information and the depth information; and causing the depth to move toward a side of the front of the screen when the background object is located on a side of the depth facing a front of the screen, thereby causing the background object to be located on a side of the depth facing a back of the screen.

Display control method, display control device, storage medium and terminal of autostereoscopic three-dimensional (3D) image

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.

Growing community of inventors

Shenzhen, China

Limin Wang