Hisense USA Corporation

Hisense International Co., Ltd.

Hisense Electric Co., Ltd.

Hisense Visual Technology Co., Ltd.

Qingdao Hisense Electronics Co., Ltd.

Yuxin Zhang

Shunming Huang

Zhicheng Song

Jia Yang

Aichen Xu

Caixia Zhao

Zhenhua Pang

Guangxue Liu

Qiang Du

Weidong Liu

Mingsheng Qiao

Jie Yang

Hao Wang

Jianwei Cao

Jie Li

Pingguang Lu

Tingfu Xie

Fang Liu

Yinghao He

Ruiji Zhang

Ying Chen

Yujie Diao

Junxiong Zhang

Shaowei Wu

Yuanyang Wang

Dongxin Qi

Tingke Cai

Botao Li

Disclosed are a display apparatus and a method for the display apparatus. The method includes: obtaining device information of an external device in connection with the display apparatus; parsing a variable frame rate mode supported by the external device from the device information by traversing a flag bit field in the device information; controlling the display to present an interactive menu, and receiving an interactive operation from a user through the interactive menu, wherein the interactive menu includes at least one option of variable frame rate modes; setting a display parameter of the display apparatus according to a first variable frame rate mode indicated by the interaction operation.

Display apparatus and method for display apparatus

A display apparatus is disclosed. The display apparatus includes a display screen configured to display an image; at least one LED light bar configured to provide light to the display screen; and a power supply circuit configured to supply power to the display apparatus. The power supply circuit includes an LLC primary winding, a first secondary winding and a second LLC secondary winding, where the first LLC secondary winding is configured to convert a voltage of the LLC primary winding into a first voltage, the second LLC secondary winding is configured to convert the voltage of the LLC primary winding into a second voltage; and the power supply circuit is configured to adjust the first voltage output from the first LLC secondary winding into a third voltage, and supply power to the at least one LED light bar through a sum of the third voltage and the second voltage.

Display apparatus and display control method

A backlight module and a display apparatus are disclosed. The backlight module includes a circuit board, a driving chip on the circuit board, and a plurality of light-emitting areas corresponding to the driving chip. The driving chip includes a first pin and a third pin located on a first side of the driving chip, and a second pin and a fourth pin located on a second side of the driving chip, the first pin and the second pin are electrically connected inside the driving chip, and the third pin and the fourth pin are electrically connected inside the driving chip; the first side and the second side are opposite sides. The driving chip further includes a plurality of control terminals on a third side of the driving chip, the plurality of control terminals are correspondingly connected with the plurality of light-emitting areas.

Backlight module and display device

The application provides a display apparatus. The display apparatus includes: a touch panel, configured to receive a touch operation and comprising a touch film and a display panel configured to display an image; a backlight module configured to provide a backlight source to the touch panel and including a backplane, a reflective sheet, a light guide plate, an optical film and a light source located on one side of the backplane; a touch pad, configured to drive and control the touch film; and a plurality of flexible circuit boards, through which the touch film is electrically connected with the touch pad, and which are located on a same side of the touch film.

Display apparatus

A display apparatus with a power supply circuit is provided. The power supply circuit is connected with a light emitting diode (LED) drive circuit, a filter circuit and a feedback circuit in the display apparatus. The power supply circuit includes a fixed-voltage power supply element and a variable-voltage power supply element, and the fixed-voltage power supply element is superposed on the variable-voltage power supply element and configured to supply power to the LED drive circuit in a stepped manner; and a controller is configured to control a voltage of the variable-voltage power supply element according to a variation of the output voltage feedback from the feedback circuit.

Display apparatus and step power circuit

A display apparatus and a display control method are disclosed. The display apparatus includes a backlight module and a display panel. The backlight module comprises a controller, a plurality of power sources, and a plurality of lamp areas corresponding to the plurality of power sources. The plurality of power sources include a first power source for providing a positive power supply signal to the controller and driving a lamp area, and a second power source for driving a lamp area. The plurality of power sources are configured to output negative power supply signals and negative reference signals; the controller is configured to output a driving signal through negative voltage driving based on a control signal, the negative power supply signals and the negative reference signals.

One or more embodiments of the present application disclose a backlight source control method of a display device, the display device and a storage medium. The method includes: determining a display subregion corresponding to a backlight source to be turned off; determining a first backlight source brightness value of an adjacent display subregion of the display subregion corresponding to the backlight source to be turned off; lowering the first backlight source brightness value to obtain a second backlight source brightness value; and setting the backlight source brightness value corresponding to the adjacent display subregion to be the second backlight source brightness value.

Backlight source control method of display device, display device and storage medium

The present disclosure describes a dual-cell display apparatus. The apparatus includes a first panel, and a second panel disposed in a first preset order relative to the first panel. The apparatus includes a memory storing instructions; and a processor in communication with the memory. When executing the instructions, the processor is configured to receive an image signal, and generate dimming data for the first panel according to the image signal. When executing the instructions, the processor is also configured to generate image data for the second panel according to the image signal, and generate backlight data for backlight control according to the image signal.

Dual-cell display apparatus

Disclosed are a backlight drive circuit, a backlight driving method, and a display device. The backlight drive circuit according to some embodiments of the disclosure includes: a plurality of LED strips configured to be powered in a time-division mode; a discharging circuit connected with anodes of the plurality of LED strips; and a first switch element connected with cathodes of the plurality of LED strips, wherein the first switch element has a first terminal connected with the cathodes of the plurality of LED strips, and a second terminal grounded, and the first switch element is configured to be turned on when any one of the plurality of LED strips is powered on.

Backlight drive circuit, backlight driving method, and display device

The embodiments of the disclosure discloses a method of driving a dynamic backlight and a display device. In this method, a vertical synchronization signal corresponding to an input image signal is received; a first level signal and a second level signal are outputted alternately in response to a change edge of the vertical synchronization signal, where the total duration of the first level signal and the second level signal is 1/m of the duration between the change edge and a first change edge before the change edge, wherein the change edge and the first change edge before the change edge are change edges of a same changing direction; m is a positive integer; and the drive chip receives the first level signal and the second level signal and generates a PWM signal according to the first level signal and the second level signal.

Method of driving dynamic backlight and display device

This disclosure provides a method, and a liquid crystal display device, where the method includes: determining grayscale values of pixels in a zone image data block under a predetermined rule according to a received image signal; pre-obtaining a zone backlight value corresponding to the zone image data block according to the grayscale values; calculating an adjusted backlight value of a backlight zone corresponding to the zone image data block, based on the zone backlight value, a backlight value gain variable, and an ambient luminance revision variable; outputting the adjusted backlight value to a driver circuit of a backlight source in the backlight zone; and driving the backlight source according to the adjusted backlight value to control brightness of the backlight source in the backlight zone.

Method and apparatus for controlling liquid crystal display brightness, and liquid crystal display device

A backlight control method is provided. The method includes: determining, based on a global backlight brightness value, a backlight brightness interval in which the global backlight brightness value is located; determining, according to a correspondence between the backlight brightness interval and a backlight gain coefficient table, a backlight gain coefficient table corresponding to the backlight brightness interval, where the backlight gain coefficient table is configured to indicate a gain coefficient corresponding to a partition backlight brightness value; determining, according to a partition backlight brightness value of each of backlight partitions and the backlight gain coefficient table, a gain coefficient of each of the backlight partitions; and driving each of the backlight partitions according to the gain coefficient of each of the backlight partition and the partition backlight brightness value of each of the backlight partitions.

Backlight control method and device and liquid crystal display device

The present application provides a method and an apparatus for controlling backlight brightness, and a liquid crystal display device. The method includes: determining, in an image to be displayed, an image block corresponding to each backlight partition of a plurality of backlight partitions, and determining an initial backlight value for each backlight partition; determining brightness distribution information for pixels in an image partition; determining a backlight adjusting curve corresponding to the image partition; and determining a backlight adjusting factor for a backlight partition corresponding to the image partition according to the initial backlight value of the backlight partition corresponding to the image partition and the backlight adjusting curve corresponding to the image partition, and determining a target backlight value for the backlight partition corresponding to the image partition according to the initial backlight value for the backlight partition and the corresponding backlight adjusting factor.

Method and apparatus for controlling backlight brightness, and liquid crystal display device

Disclosed are a backlight control method and a liquid crystal display device, where the backlight control method includes generating backlight data of a backlight partition corresponding to an image partition according to grayscale data of each of the image partition in an image to be displayed; generating a PWM backlight control signal for the each of the backlight partition according to a grayscale interval where the backlight data of the each of the backlight partition lies, where current amplitudes of PWM backlight control signals corresponding to backlight data in different grayscale intervals are different; and controlling a backlight source of the each of the backlight partition according to the PWM backlight control signal for the each of the backlight partition.

Backlight control method and liquid crystal display device

The present application provides a method for controlling a backlight source, a device for controlling a backlight source and a liquid crystal display, where the method includes: determining time intervals of received synchronous signals; determining an output delay compensation value of the synchronous signals, according to the time intervals and fixed response delay time for processing the synchronous signals; generating a compensated synchronous signal according to the output delay compensation value of the synchronous signals; transmitting the compensated synchronous signal to a PWM driver. The application allows a backlight source to perform optical display according to multipath control signals with relatively stable frequency, and reduces backlight blinking of the backlight source.

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Qingdao, China

Yuxin Zhang