Abstract:
A method of driving a display panel includes: outputting scan signal to each scan line of a display panel, with the scan signal including periodical frame signals, with each frame signal including: a first voltage that maintains each scan line in an on state during a first period of time, with the first voltage being a first DC high-level voltage; a second voltage that maintains each scan line in an off state during a second period of time, with the second voltage being an AC voltage outputting a second low-level voltage and a second high-level voltage alternately. The present invention changes a second voltage in charge of maintaining scan lines in an off state into a second low-level voltage and a second high-level voltage which output alternately. It effectively improves changes in leakage current of TFT, and improves image sticking appears on display devices.
Abstract:
A method of grayscale calibration of subpixels of liquid crystal panels during imaging includes: obtaining a first brightness value when the subpixel of the i-th color has a maximum grayscale; calculating a second brightness value of each grayscale(j); obtaining a third brightness value of each grayscale(r) of the main subpixel area and a fourth brightness value of each grayscale (s) of the secondary subpixel area of under the direct view condition; determining value combinations for the main and the secondary subpixel area of the subpixel having the grayscale (j) and satisfying a predetermined criteria; calculating total color differences of the grayscale images respectively for the direct and a squint view condition when the value combination being applied; determining the value combination of the minimum total color difference as the value combination applied for the subpixel. With such configuration, the color shift of the liquid crystal panel may be reduced.
Abstract:
A dynamic backlight adjustment method for a display screen is provided. The method includes a step of dividing a display screen into multiple sub-areas, and executing following steps to one sub-area of the multiple sub-areas: (a) determining a maximum grayscale value of video input signals of the one sub-area when a current frame image is displayed, (b) determining a backlight brightness corresponding to the maximum grayscale value according to a relationship between multiple preset grayscale intervals and multiple backlight brightnesses and (c) adjusting a backlight brightness corresponding to the one sub-area to the backlight brightness corresponding to the maximum grayscale value. Using the dynamic backlight adjustment method, the smoothness in the dynamic backlight adjustment process is better, and the transition of bright and dark of the display screen is more nature.
Abstract:
The present invention discloses an image processing method includes steps of measuring stimulus value matrixes of trichromatic grays of a displaying image; calculating a stimulus value matrix of each pixel gray of the displaying image from the measured stimulus value matrixes; transforming the stimulus value matrixes of each pixel gray to coordinate values of each pixel in a color space; calculating a chromatic aberration between two adjacent pixels of each row and each column in the color space; selecting a pixel area and calculating a chromatic aberration value of the pixels in the selected pixel area and a chromatic aberration value between pixels of a periphery of the selected pixel area and the adjacent pixels out of the selected pixel area; executing an image process to the selected pixel area if a difference between these two chromatic aberration values and a preset chromatic aberration threshold value meets a predetermined rule.
Abstract:
The present invention discloses a method of correcting complexion color shift of LCD including obtaining accounting ratio of a complexion region of an image which will be shown in the LCD; comparing the accounting ratio of a complexion region to a predetermined value; and applying a first gamma value to conduct gamma correction of the data of red color, green color, and blue color if the accounting ratio is larger than the predetermined value; wherein the first gamma value is larger than 2.2. The present invention also discloses a system of correcting complexion color shift of LCD. The gamma value of front viewing angle of the LCD is increased. Accordingly, the gamma value of the image of big viewing angle approaches the curve of gamma value 2.2 more in the LCD and wash out of the complexion of the image of big viewing angle is eliminated.
Abstract:
Disclosed are a color filter substrate and a manufacturing method thereof. The color filter substrate includes a substrate, a color filter layer, a light shielding layer and a common electrode layer. The color filter layer includes a red color block, a green color block and a blue color block. The light shielding layer is disposed on the color filter layer. The light shielding layer includes light shielding blocks. The common electrode layer is disposed on the light shielding layer. Positions of intersections between any two of the red color block, the green color block and the blue color block correspond to positions of the light shielding blocks. A reflection intensity of ambient light from a liquid crystal display panel can be effectively reduced.
Abstract:
The present disclosure provides a method for manufacturing a flexible substrate. The method includes forming at least two flexible substrate layers in a stacking form on a surface of a glass baseplate, wherein a first flexible substrate layer of the flexible substrate layers relatively close to the glass baseplate has a refractive index less than a refractive index of a second flexible substrate layer of the flexible substrate layers relatively far from the glass baseplate; forming a water and oxygen blocking layer on a surface of the second flexible substrate layers, wherein the water and oxygen blocking layer has a refractive index greater than the refractive index of the second flexible substrate layers disposed below the water and oxygen blocking layer.
Abstract:
A display device and a display panel are provided. The display panel includes an array panel and a plurality of display devices. The display device includes a display device main body and a magnetic member disposed on the display device main body. The display device can be transferred to the array panel under a force of a magnetic field outside of the display device. The present disclosure can efficiently transfer the display devices to the array panel.
Abstract:
A display panel includes a backlight source, a color filter layer, and a blue filter film that are sequentially stacked. The color filter layer includes a blue pixel zone, which includes a first sub-pixel section and a second sub-pixel section. The blue filter film includes a first filtration section and a second filtration section, which are arranged opposite to the first sub-pixel section and the second sub-pixel section, respectively. The backlight source emits light that passes through the first sub-pixel section and the first filtration section to form first light, and the light emitting from the backlight source passes through the second sub-pixel section and the second filtration section to form second light. The first light has a luminous intensity that is different from a luminous intensity of the second light. A mobile terminal is also disclosed.
Abstract:
The present disclosure relates to a micro light emitting diode (Micro LED) transfer-printing device. A heating device and a movable cooling device are arranged on a rack, wherein a cooling surface of the cooling device is opposite to a heating surface of the heating device. A roller mechanism is arranged between the heating device and the cooling device, and a cyclically rotatable conveyor belt is configured on the roller mechanism. A temperature control glue is configured on an outer surface of the conveyor belt. Compared with the conventional solution, the proposed Micro LED transfer-printing device realizes cyclic absorption and transfer-printing of the Micro LED such that the transfer-printing efficiency may be enhanced.