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

Shenzhen China Star Optoelectronics Technology Co., Ltd.

ShenSian Syu

Jian He

Yunna Chen

Yufan Deng

Hao Li

Ronggang Wang

Ming-Jong Jou

Mingjong Jou

Kui Fan

Yuan-Chun Wu

Ching-hong Lai

Po-Yen Lu

Yiying Pu

A brightness compensation method and related product are disclosed. The method includes steps of receiving at least one compensation table sent from a mobile terminal by a driving device, and obtaining a target grayscale value of a target pixel point in a first display picture of the display device, determining a fixing value corresponding to the target pixel point according to the at least one compensation table, performing a brightness compensation to the target pixel point according to the fixing value, and driving the display device to display the first display picture after performing the brightness compensation. The embodiment of the present application can eliminate a brightness uneven phenomenon in the first display picture caused by attenuation of the luminous efficiency of the OLED device.

Brightness compensation method and related product

Disclosed are an image color enhancement method and a device. The method comprises: obtaining a first saturation of any pixel point in an image; processing the first saturation according to a first saturation conversion function to obtain a slope corresponding to the first saturation; obtaining a second saturation conversion function according to local detail information if the slope is smaller than a first preset threshold; processing the first saturation according to the second saturation conversion function to obtain a second saturation of the pixel point; calculating a target brightness value according to the second saturation; and adjusting an original brightness value to the target brightness value. Thereby, a different saturation enhancement method is adopted for the pixel points which are easy to cause the details in the image lost, so that the image vividness is enhanced, and the detail information is preserved to improve the sharpness.

Image color enhancement method and device

The present disclosure provides a digital driving method and a digital driving system of an OLED display device. The digital driving method includes: dividing the frame into N sub frames, wherein N is an integer larger than or equal to 2, one of the sub frames is a full-brightness sub frame, the full-brightness sub frame includes a full-emission sub frame and the blanking period, pixels of the OLED display device keep emitting lights within the full-emission sub frame, and the blanking period follows the full-emission sub frame; determining the time ratios of driving the pixels in the sub frames as &#xbd;, &#xbd;. . . , 1 to increase the luminance of the OLED display device, wherein the time ratio of driving the pixels in the full-brightness sub frame is 1. By using the present disclosure, the brightness uniformity of the OLED display device can be increase.

Digital driving method and system of OLED display device

The invention provides a saturation enhancement method and device based on fuzzy control. The saturation control method based on fuzzy control utilizes a fuzzy system to output an enhancement weight according to the saturation component, value component and detail information or saturation component, intensity component, and detail information of an input image, and feeds back the enhancement weight to the enhancement function, to change the enhancement intensity of the saturation component. As such, the color uncertainty caused by saturation enhancement can be avoided, and the loss of detail information in saturation enhancement can be reduced.

Saturation enhancement method and device based on fuzzy control

The disclosure provided a compressing method of the grayscale compensation table of an OLED display panel, which comprising: step, when transmitting a set of grayscale compensation table of the OLED display panel to an encoder for encoding, firstly, performing a differential calculation on many grayscale compensation tables with a same color channel and different gray scales in the set of which to acquire a corresponding reference image and a difference image as replacements of many grayscale compensation tables; step, transmitting the above images to the encoder; step, the encoder compressing and encoding a received grayscale compensation table. The compressing method of the grayscale compensation table of the OLED display panel performs the intra-level differences between the same color component and the different grayscale compensation tables in the same OLED compensation table to improve an efficiency and a performance of the compression compensation table.

Compressing method of a grayscale compensation table of an OLED display panel

The present application discloses an image optimization method and related device, The method includes: detecting an image and determining a skin color region and a non-skin color region of the image; and determining a number T of expansion regions according to the skin color region, and performing a saturation optimization process on the T expansion regions, wherein the non-skin color region includes the T expansion regions, the number T is a positive integer, a saturation of a first pixel in the expansion region after the saturation optimization process is a first saturation, a saturation of a second pixel in the expansion region after the saturation optimization process is a second saturation, the first saturation is greater than or equal to the second saturation if a distance of the first pixel from the skin color region is greater than a distance of the second pixel from the skin color region.

Image optimization method and related device

The present disclosure relates to a driving method for a display panel. The method includes dividing a frame in any of sub-pixels signals of video inputting signals into a first sub-field and a second sub-field, driving the first sub-field by a first driving mode, and driving the second sub-field by a second driving mode. As such, the brightness of the display panel may be improved.

Driving method of display panel

The present disclosure discloses a driving method and system of a display device including a plurality of pixel units, wherein the driving method includes: receiving initial image data to be displayed; positioning a viewer to acquire a viewing angle of the viewer with respect to each pixel unit; performing color shift compensation for image data of a pixel unit of which the viewing angle is larger than a threshold value; and driving the display device to display an image according to the image data after compensation. The driving system includes: a data input unit for receiving initial image data to be displayed; a position detection unit for positioning a viewer; a viewing angle calculation unit for calculating and acquiring a viewing angle of the viewer with respect to each pixel unit; a data compensation unit; and a data output unit.

Driving method and system of display device with viewing angle calculation and color shift compensation

An image processing method and device is provided. Components of a point A(r,g,b) of an original image in RGB color space are processed according to a first function &#x192;(x) to obtain A(r,g,b)=&#x192;(x). The point A(r,g,b) of the original image is processed according to a second function &#x192;(x) to obtain a processed saturation S=&#x192;(x). Let &#x192;(x)=1 to determine the point A(r,g,b). The point Ais processed in the RGB color space if max(r,g,b)&#x2264;1. The point Ais converted into CMY color space for image processing if max(r,g,b)&#x3e;1.

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Guangdong, China

ShenSian Syu