Hkc Corporation Limited

Junfeng Xie

Luhong Zhou

Ruidi Ran

Mingliang Wang

Jie Chen

Min Chen

Mancheng Zhou

Yao Li

Yang Pu

Peidi Huang

Hongsong Wang

Longxin Xiao

Mengling Wang

Chenguang Tong

Junyi Zhao

Disclosed are a backlight module, a driving method thereof, and a display device. The method includes: in a first period t, outputting an initial current by a driver chip to a light-emitting unit in a light-emitting area; obtaining a difference between the initial current and an actual current; generating a second current according to the difference between the initial current and the actual current; in a second period t, outputting a second current by the driver chip to the light-emitting unit in the light-emitting area; and detecting the actual brightness of the light-emitting area, and determining a difference between the actual brightness and target brightness of the light-emitting area; generating a third current according to the difference between the actual brightness and the target brightness; and in a third period t, outputting the third current by the driver chip to the light-emitting unit in the light-emitting area.

Backlight module, driving method thereof and display device

A display driving circuit includes a first transistor, a storage subcircuit, a compensation subcircuit, a data writing subcircuit, a light-emitting control subcircuit and a reverse bias subcircuit. The storage subcircuit is connected to a control terminal of the first transistor through a first node and to the first transistor through a second node. The compensation subcircuit is connected to a first light-emitting control line, the first transistor and a power supply high-voltage terminal. The data writing subcircuit is connected to a data line, a scan line and the first node. The light-emitting control subcircuit is connected to a second light-emitting control line, a second node and an anode of the display light-emitting subcircuit, a cathode of the display light-emitting subcircuit is connected to the scan line. The reverse bias subcircuit is connected to the scan line, a third node and the power supply high-voltage terminal.

Display driving circuit, display driving method and display panel

The present disclosure provides a display image compensation method, a display and a storage medium. The display image compensation method includes: when an eye movement behavior of a target subject is monitored, determining a compensation area in a display image based on the eye movement behavior, the compensation area being an area where a color break up phenomenon occurs in the display image during watching of the target subject due to the eye movement behavior; acquiring a current display color value of the compensation area, and determining first difference information between the current display color value and a deviation color value of the compensation area; and determining a color compensation parameter based on the first difference information, and adjusting an image color of the compensation area in the display image according to the color compensation parameter.

Display image compensation method, display and storage medium

A display apparatus and an electronic device are provided in the disclosure. The display apparatus includes N scan lines extending in a row direction and arranged in a column direction and N rows of sub-pixel units electrically connected to the N scan lines in one-to-one correspondence. The display apparatus further includes at least one parasitic capacitance charge-sharing circuit. For each of the at least one parasitic capacitance charge-sharing circuit, the parasitic capacitance charge-sharing circuit is disposed between corresponding two adjacent scan lines, a time point at which a former scan line of the two adjacent scan lines completes reception of a scan signal precedes a time point at which a latter scan line of the two adjacent scan lines begins reception of a scan signal by a scan-period interval.

Display apparatus and electronic device

A backlight module and a display device. The backlight module includes: a back plate, a light guide plate, a damping assembly and a controller. Two ends of the damping assembly are abutted between an inner side wall of the back plate and an outer side wall of the light guide plate; one end of the damping assembly is provided with a pressure sensor, and the controller is respectively electrically connected with the pressure sensor and the damping assembly, and is configured to control a magnitude of a damping force of the damping assembly according to pressure data detected by the pressure sensor. The technical solutions provided in the present application may improve a reliability of position limitation of the light guide plate.

Backlight module including dampening assembly, sensor, and controller and display device including the same

Disclosed are a gate row driving circuit and a driving method thereof, and a display substrate. The gate row driving circuit includes: an input module; a driving module, configured to connect to a pixel driving voltage output by the input module and provide a pixel power supply voltage to power a current pixel row under drive of the pixel driving voltage; a thermoelectric module, configured to perform thermoelectric conversion on operating heat when the operating heat of the driving module matches preset charging heat to obtain compensation power; and a capacitor module. The driving module is also configured to superimpose a charging voltage continuously generated by the capacitor module onto the pixel driving voltage after the thermoelectric module charges the capacitor module according to the compensation power to obtain an updated pixel driving voltage.

Gate row driving circuit and driving method thereof, and display substrate

A method includes steps of: obtaining a grayscale value of each sub-pixel in each minimum detection unit respectively; and exiting a picture detection function if at least one of the x minimum detection units meets a first preset condition corresponding to the at least one of the x minimum detection units when the picture detection function for a preset detection area is in an enabled state. A first preset condition corresponding to a first minimum detection unit is that the grayscale value of at least one sub-pixel of a first type is smaller than or equal to a first value, or alternatively, the grayscale value of at least one sub-pixel of a second type is greater than or equal to a second value.

Method and device for picture detection on a preset detection area of a display panel, display panel, and computer-readable storage medium

A driving method of a display panel, a display panel, and a display device are disclosed. The display panel includes an organic light-emitting layer and a filter disposed on a light-exit surface thereof. Corresponding to each pixel area, the filter includes a color filter and a first and second electrochromic layer that are disposed on both sides of the color filter. The driving method includes: detecting a current state of the display panel; when in a stretched state, controlling the first and the second electrochromic layer to each become a filter layer having the same color as the corresponding color filter; when in an unstretched state, controlling the first and the second electrochromic layer to become opaque, where the first and the second electrochromic layer may change into the same color as the color filter or into black color or transparent under the action of an electric field.

Driving method of display panel, display panel, and display device

A display panel and a backlight compensation method therefor are disclosed. The backlight compensation method includes: detecting ambient light parameters at four positions of the display panel to obtain an ambient light intensity parameters at a first position, a second position, a third position, and a fourth position; obtaining a partition compensation table for a total number of n*m partitions based on the ambient light intensity parameters at the first and second positions, the second position, the first preset parameter, the partition parameter in the first direction, the ambient light intensity parameter at the third and fourth positions, the second preset parameter, and the partition parameter in the second direction; and driving respective backlight sources of different partitions according to the partition compensation table; where each partition includes at least one lamp bead.

Display panel and backlight compensation method therefor

A display panel and a display device are provided. The display panel includes a circuit board, a first temperature sensor, a control chip, a driver chip, and a second temperature sensor. The first temperature sensor is spade from the circuit board. The first temperature sensor is configured to obtain first temperature information. The control chip is configured to receive the first temperature information, and output a control signal according to the first temperature information and a preset temperature-compensation-curve. The driver chip is configured to output a driving voltage under the control of the control signal. The second temperature sensor is configured to obtain second temperature information. The control chip is configured to compare the second temperature information with a first preset temperature. When the second temperature information deviates from the first preset temperature, the control chip is configured to correct the preset temperature-compensation-curve and obtain a first corrected temperature-compensation-curve.

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Shenzhen, China

Junfeng Xie