Tcl China Star Optoelectronics Technology Co., Ltd.

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Huizhou China Star Optoelectronics Display Co., Ltd.

Other

Fengcheng Xu

Jinfeng Liu

Mingjong Jou

Fuyi Wang

Zhao Wang

Dongsheng Guo

Dan Cao

Dekang Zeng

Qingsheng Lan

A display device includes a display unit and a driving circuit. The display unit includes a plurality of display regions. The driving circuit is configured to drive the display unit. The driving circuit includes a drive module. The drive module includes algorithms which are respectively correspond to the plurality of display regions one to one. A driving method of a display device, and a mobile terminal are also provided.

Display device and driving method thereof, and mobile terminal for display uniformity

A backlight unit, a control method thereof, and a liquid crystal display device are provided. The control method includes following steps: obtaining backlight data corresponding to each of the partitions, the backlight data including multiple bits of data; dividing a frame of a lighting process of each light-emitting unit of the partitions into a plurality of sub-fields having different durations, wherein each of the sub-fields corresponds to one of the bits of data; and outputting the sub-fields having different durations corresponding to each of the partitions in a preset order.

Backlight unit, control method thereof, and liquid crystal display device

A display panel, a control method thereof, and a storage medium are provided. The method includes acquiring a first actual brightness parameter and a first reference brightness parameter at a first position; determining a first compensated brightness parameter at the first position according to the first reference brightness parameter and the first actual brightness parameter if the absolute value of the difference between the first reference brightness parameter and the first actual brightness parameter is not less than a first threshold; and determining a first target brightness parameter at the first position according to the first compensated brightness parameter and a first preset brightness parameter at the first position.

Display panel, control method thereof and storage medium

A display panel, a display panel driving method, and an electronic device are provided. The electronic device includes a display panel. The display panel includes a display region, source drive circuits, and a gate drive circuit. The display region includes a plurality of sub-pixels. By reducing the charging time of the sub-pixels close to the gate drive circuit and increasing the charging time of the sub-pixels away from the gate drive circuit, the voltage difference between the sub-pixels in different regions is reduced, thereby solving the problem of uneven brightness of the display panel.

Display panel, display panel driving method, and electronic device

The present invention provides a backlight unit and a control method thereof, and a liquid crystal display device. The control method includes steps as follows: obtaining backlight data corresponding to each partition, wherein the backlight data comprises a plurality of bits of data; dividing the light-emitting unit of each partition into a plurality of subfields with different durations in a light-emitting process during a frame, wherein each subfield corresponds to one bit of data, and any two subfields comprise different numbers of secondary subfields; and outputting the plurality of subfields in a preset order.

Backlight unit and control method thereof, and liquid crystal display device

The present invention provides a backlight partition driving module, a backlight device, and a display device which include a signal input module configured to receive a driving signal, wherein the driving signal includes a brightness data signal, a scanning signal, and a function signal; a signal transmission module transmitting the driving signal; and a selection output module receiving the driving signal and is configured to output the scanning signal to a scanning line or the brightness data signal to a data line under control of the function signal.

Backlight partition driving module, backlight device, and display device

Provided are an adjusting method of displaying images. The adjusting method use obtaining a coordinate of the defect of the images displayed by the display panel in the vertical lines and a type of the defect in the vertical lines, and adjusting grayscale value of the data signals of the pixels of one row by the timing controller corresponding to the coordinate of the defect of the vertical line in the outputted matrix of the pixels according to the type of the defect in the vertical lines, such that the voltage of the data signals outputted from the source driver to the pixels of the row is changed, and a brightness of the pixels of the row is the same as a brightness of the pixels of two adjacent rows.

Adjusting method of displaying images

A signal processing method of a display panel and a device using same are provided. The method includes obtaining a bit error rate of each adjusted data to obtain multiple initial bit error rates; and selecting one of the initial bit error rates from the multiple initial bit error rates. The bit error rate is used as a feedback bit error rate; when the feedback bit error rate falls within a preset range, a current pre-emphasis coefficient is used as a target pre-emphasis coefficient, and a video signal is compensated according to the target pre-emphasis coefficient.

Signal processing method for display panel and device using same

The present disclosure provides a digital to analog conversion (DAC) circuit and a data source circuit chip, the DAC circuit includes: first MOS tubes with the same number of the inputted digital bits; a second resistance, one end of the second resistance connects to the reference voltage, another end of the second resistance connects to the output terminal of the circuit; a second MOS tube, the drain of the second MOS tube connects to the output terminal of the circuit, the gate of the second MOS tube receives a row blank signal; and a capacitor, one end of the capacitor connects to the output terminal, another end of the capacitor is grounded. Using the above circuit and data source circuit chip, can greatly reduce the number of the MOS tube used in the DAC circuit, to effectively reduce the volume of the data source circuit chip and cost.

Digital to analog conversion circuit and data source circuit chip

The present disclosure relates to a source drive IC of liquid crystal panels. The source drive IC includes a digital signals module, a Gamma reference voltage module, a comparator, a power voltage module, a selector, a digital-to-analog converter (DAC) and a buffer amplifier. In addition, a driving method of liquid crystal panels may reduce the power consumption of the buffer amplifier to decrease the temperature of the source drive IC so as to enhance the reliability of the liquid crystal panel.

Source drive integrated circuits (ICs) and driving methods of liquid crystal panels

A liquid crystal display panel and a liquid crystal display apparatus are provided. The liquid crystal display panel includes a driving circuit, wherein the driving circuit includes a power module for inputting an initial voltage to a common electrode, and a feedback unit for adjusting the initial voltage of the power module based upon the actual voltage at the common electrode, so that the actual voltage at the common electrode is equal to a preset voltage.

Liquid crystal display panel and liquid crystal display apparatus

A photocoupler isolation switch circuit is disclosed. The circuit includes a power chip and a voltage driving chip including a photocoupler device having a light emitting device and a photosensitive device. A first output terminal of the power chip connects to a first terminal of the light emitting device, and a second terminal of the light emitting device connects to ground; a second output terminal of the power chip connects to a first terminal of the photosensitive device and outputs a driving voltage, a second terminal of the photosensitive device connects to an output terminal of the photocoupler device; the photocoupler device controls a working status of the light emitting device according to a control voltage, the photosensitive device is turned on or off according to the working status; the driving voltage is outputted through the output terminal of the photocoupler device when the light emitting device is turned on.

Growing community of inventors

Guangdong, China

Fengcheng Xu