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

Tcl China Star Optoelectronics Technology Co., Ltd.

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Yang Rao

Leli Peng

Tao He

Woosuk Ha

The present application discloses a display panel and a photosensitive display device. The display panel includes a photosensitive array, an obtaining module, and a processing module. The photosensitive array includes photosensitive units arranged in an array. The obtaining module is connected to the photosensitive units. The processing module is connected to the obtaining module. A photosensing data of the photosensitive array can be obtained through the obtaining module. The processing module can determine a display coordinate of external light according to the photosensing data, thereby achieving a remote photosensitive interaction of the display panel.

Display panel and photosensitive display device

The present application provides an image display method and an image display device. The image display method performs a gray-scale compensation on each data line, thereby preventing a problem of color crosstalk in a display panel. At the same time, an original image in the display panel is edge blurred, which can reduce an impact of the color crosstalk.

Image display method and image display device for reducing crosstalk

The present application discloses a display panel and a display device. The display panel includes a plurality of first scan lines, a plurality of second scan lines, a plurality of first read lines, a plurality of second read lines, and a plurality of sensing modules. The first scan lines and the second scan lines are alternately arranged and/or the first read lines and the second read lines are alternately arranged. The sensing modules are disposed at intersections of the first scan lines and the first read lines and intersections of the second scan lines and the second read lines.

Display panel and display device

The present application discloses a display panel and a photosensitive display device. The display panel includes a photosensitive array, an acquisition module, and a process module. The process module acquires target frame photosensitive data according to a difference result between a current frame photosensitive data and a previous frame photosensitive data, and deducts influence of background light or ambient light to the current frame photosensitive data, and then determines a current frame display coordinate of an external light source based on the target frame photosensitive data, which can improve accuracy of the current frame display coordinate.

A method of positioning a laser pointer light source and a display device are provided. The method of positioning the laser pointer light source includes obtaining first position information and second position information of the laser pointer light source, obtaining first photosensitive information and second photosensitive information, and determining target position information. The present invention determines the target position information according to the first position information, the second position information, the first photosensitive information, and/or the second photosensitive information, which positions the laser pointer light source and distinquishes the laser pointer light source at different positions.

Method of positioning laser pointer light source and display device

The present application discloses a logo extraction device, and a brightness adjusting method and device for a logo. The logo extraction device includes an acquiring module, a gray-scale converting module, a weight processing module, and an extraction module. In the present application, by increasing a number of key frames in a process of logo extraction and using video frame weighting, the logo is extracted and thereby accuracy of logo extraction is improved.

Logo extraction device, and brightness adjusting method and device for logo

A method of gamut mapping and color gamut mapping apparatus comprises: acquiring the Lab value of the color point in the original color gamut; and determining the color point in the original color gamut relative to the coordinate location in a hue plane based on the Lab value; and determining the mapping target gamut of the color point based on the coordinate location; If a color point is located outside the mapping target area, it determining the first intersection point of the line connecting the color point and the maximum brightness and the borderline of the mapping target color gamut and the second intersection point of the color point relative to the borderline of the mapping target gamut, and finally according to the preset adjustment parameter, the mapping point being determined on the borderline of the mapping target color gamut relative to the color point.

Color gamut mapping method and color gamut mapping apparatus

A color gamut mapping method and a color gamut mapping device is provided, the method includes: determining a mapping target color gamut; obtaining a Lab value of a color point in the original color gamut, and determining a coordinate position of the color point in a corresponding tone plane of the original color gamut; judging the color point position; determining an intersection of a horizontal line the color point located and a boundary of the original color gamut, and a boundary of the mapping target color gamut; and determining a mapping point of the color point on the boundary of the map target color gamut by a ratio of an area of a pattern formed by the intersection, and an intersection of the original color gamut and a coordinate axis, and a difference between the area of the original color gamut and the area of the mapping target color gamut.

Color gamut mapping method and color gamut mapping device

The present disclosure discloses an image processing method, an electronic device and an apparatus having a storage function. The method includes: inputting a to-be-processed image of a source color gamut; converting a pixel value within the to-be-processed image into a coordinate value of a preset color space; determining whether a first color gamut point in the source color gamut is located outside a target color gamut according to the coordinate value; if yes, converting the first color gamut point into a second color gamut point in an outer converting region in the target color gamut. In the above manner, the present disclosure can increase the level of detail of an image after being mapped in different color gamuts.

Image processing method, electronic device and apparatus having storage function

The present disclosure provides a gamut mapping method including acquiring a first coordinate value of a target pixel point P in a Lab color space according to digital values of the target pixel point P in a large gamut area; determining a hue plane in which the target pixel point P is located, and determining (H, C, L) of the target pixel point P; mapping the target pixel point P to the small gamut area to acquire a second coordinate value of a mapped pixel point Pin the Lab color space; and acquiring mapped digital values of the mapped pixel point Pin the small gamut area.

Gamut mapping method and device for compressing out-of-gamut area to in-of-gamut area, storage medium, and electronic device

The present disclosure relates a method to improve overlay mapping of out-of-gamut. The method includes: step, converting a RGB digital value to a L*a*b* value of a Lab color space; step, determining a hue plane where the color point P located, and further determining values of a hue angle H, a color saturation C, and a brightness L; step, determining a reference color point Pby combing intersections color point Pand color point Pwith the color point Land a parameter &#x3b1;; step, determining whether the color point P inside or outside a line |LP|; and step, converting a L*a*b* value into a RGB value in the target gamut. The method to improve the overlay mapping of out-of-gamut according to the present disclosure causes multiple colors to no longer be mapped to the same color point.

Growing community of inventors

Guangdong, China

Yang Rao