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公开(公告)号：US20160189399A1
公开(公告)日：2016-06-30
申请号：US14981912
申请日：2015-12-29
Applicant: Xiaomi Inc.
Inventor： Anyu Liu , Chuanshun Ji , Guosheng Li
CPC classification number: G06K9/4652 , G06K9/4661 , G06T1/60 , G06T7/40 , G06T7/90 , G09G3/2003 , G09G5/02 , G09G5/06 , G09G2320/0276 , G09G2320/0666 , G09G2320/0673 , G09G2340/06 , G09G2360/18 , H04N1/6002
Abstract: A color adjustment method and device are provided. The color adjustment method comprises: obtaining frame data from a frame buffer; mapping the frame data from an original color space to a linear original color space via a de-gamma correction process, so as to obtain frame data in the linear original color space; mapping the frame data in the linear original color space to a linear target color space, so as to obtain frame data in the linear target color space; and performing a gamma correction process on the frame data in the linear target color space by using a target gamma coefficient, so as to obtain frame data in a target color space.
Abstract translation: 提供了一种颜色调整方法和装置。 颜色调整方法包括：从帧缓冲器获取帧数据; 通过去伽马校正处理将帧数据从原始颜色空间映射到线性原始颜色空间，以便获得线性原始颜色空间中的帧数据; 将线性原始颜色空间中的帧数据映射到线性目标色彩空间，以获得线性目标色彩空间中的帧数据; 以及通过使用目标伽马系数对线性目标色彩空间中的帧数据进行伽马校正处理，以获得目标色彩空间中的帧数据。
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公开(公告)号：US11100872B2
公开(公告)日：2021-08-24
申请号：US15150696
申请日：2016-05-10
Applicant: Xiaomi Inc.
Inventor： Guosheng Li , Anyu Liu , Laijun Yan
Abstract: Method and apparatus for mode switching are provided in the disclosure. Aspects of the disclosure provide a method for switching a display mode of a device. The method includes receiving an intensity value of ambient light when the device is in a first control mode in which backlights of a liquid crystal display screen are controlled in order to control a display brightness of the liquid crystal display screen, determining whether the intensity value is less than a predetermined threshold, and when the intensity value is less than the predetermined threshold, controlling the device to enter a second control mode in which voltages provided to data lines of the liquid crystal display screen are scaled according to a ratio in order to control the display brightness of the liquid crystal display screen.
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公开(公告)号：US10825374B2
公开(公告)日：2020-11-03
申请号：US15146358
申请日：2016-05-04
Applicant: Xiaomi Inc.
Inventor： Guosheng Li , Wei Feng , Shanrong Liu
IPC: G09G3/20 , G09G3/36 , G09G3/34 , G02F1/133 , G02F1/1343 , G02F1/1362 , G02F1/1368
Abstract: A liquid crystal driver circuit may include a screen including a plurality of liquid crystal units distributed as an array. The array may include m rows of liquid crystal units along a row direction, and n columns of liquid crystal units along a column direction, wherein m is an integer and n is an integer. The screen may also include n data lines, respectively connected to the n columns of liquid crystal units along the column direction; and at least one data line switch, each connected to a corresponding data line of the n data lines.
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公开(公告)号：US10269129B2
公开(公告)日：2019-04-23
申请号：US14981912
申请日：2015-12-29
Applicant: Xiaomi Inc.
Inventor： Anyu Liu , Chuanshun Ji , Guosheng Li
Abstract: A color adjustment method and device are provided. The color adjustment method comprises: obtaining frame data from a frame buffer; mapping the frame data from an original color space to a linear original color space via a de-gamma correction process, so as to obtain frame data in the linear original color space; mapping the frame data in the linear original color space to a linear target color space, so as to obtain frame data in the linear target color space; and performing a gamma correction process on the frame data in the linear target color space by using a target gamma coefficient, so as to obtain frame data in a target color space.
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公开(公告)号：US10268861B2
公开(公告)日：2019-04-23
申请号：US15347788
申请日：2016-11-10
Applicant: Xiaomi Inc.
Inventor： Guosheng Li , Anyu Liu , Lei Tang
Abstract: A screen module, a fingerprint acquisition method, and an electronic device are provided. The screen module includes: a fingerprint unit comprising a plurality of fingerprint sensors, which are located in a content display area of the screen module and configured to perform fingerprint acquisition; a processing component connected with the fingerprint unit, the processing component being configured to, after a triggering operation of a user's finger on the content display area is detected, actuate fingerprint sensors in a scanning area corresponding to the triggering operation to acquire fingerprint data of the user in the scanning area; and data transmission lines connected to the plurality of fingerprint sensors, and configured to transmit fingerprint data acquired by the fingerprint sensors in the scanning area to the processing component.
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Patent Agency Ranking
公开(公告)号：US10204403B2
公开(公告)日：2019-02-12
申请号：US15489746
申请日：2017-04-18
Applicant: Xiaomi Inc.
Inventor： Guosheng Li , Shanrong Liu , Jiangtao Huang
Abstract: A method, device and medium for enhancing saturation are provided. The method includes: obtaining image feature information of an image; identifying a type of the image according to the image feature information; selecting a saturation enhancement mode corresponding to the type of the image, and enhancing the saturation of the image using the saturation enhancement mode.
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公开(公告)号：US10134326B2
公开(公告)日：2018-11-20
申请号：US15230489
申请日：2016-08-08
Applicant: Xiaomi Inc.
Inventor： Guosheng Li , Lin Dai , Nannan Wang
Abstract: A display method and a display device are disclosed. The method includes: detecting whether a displayed content in a display screen changes; controlling the display screen to update alternately display data respectively corresponding to a first part and a second part of a display unit in each column of display unit, in response to detecting that the displayed content does not change. The number of updated pixels of the display screen each time may be reduced, while the original refresh frequency is maintained, so the problem that the splash screen phenomena is caused in the display screen by reducing the refresh frequency of the display screen may be solved, thus achieving effects of avoiding the splash screen phenomena of the display screen and of reducing the power consumption of the display screen while maintaining the original refresh frequency of the display screen.
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38.发明授权公开(公告)号：US10101156B2
公开(公告)日：2018-10-16
申请号：US15149960
申请日：2016-05-09
Applicant: Xiaomi Inc.
Inventor： Guosheng Li , Anyu Liu , Lin Liu
Abstract: A method for determining a spatial parameter for an object displayed on a device includes determining a first pixel coordinate corresponding to a first point of an image of the object and a second pixel coordinate corresponding to a second point of an image of the object displayed on the device, determining an image distance between the first pixel coordinate and the second pixel coordinate, and determining a spatial parameter for the object based on a distance between an imaging element of the device and the object, and a focal length of a lens of the imaging element for photographing the object. According to the technical solution of the present disclosure, the real size of the photographed object can be quantized based on the image, without having to illustrating the real size of the photographed object in contrast with a reference object placed in the image, thereby improving the user experience.
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公开(公告)号：US10018756B2
公开(公告)日：2018-07-10
申请号：US15381055
申请日：2016-12-15
Applicant: Xiaomi Inc.
Inventor： Guosheng Li , Anyu Liu , Wei Sun
Abstract: A display apparatus and an electronic device are provided, which belong to the field of display technology. The display apparatus comprises a light-converging layer configured to refract the light in a first designated direction, wherein the first designated direction is a direction whose angle with a straight ahead direction of the display apparatus is less than a designated angle, and the straight ahead direction is a direction perpendicular to a plane where the light-converging layer is located; and a light-emitting layer positioned below the light-converging layer and configured to emit light.
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公开(公告)号：US09858885B2
公开(公告)日：2018-01-02
申请号：US15082847
申请日：2016-03-28
Applicant: Xiaomi Inc.
Inventor： Guosheng Li , Anyu Liu , Yuan Zhang
CPC classification number: G09G3/3688 , G09G3/2007 , G09G3/3696 , G09G2320/0626 , G09G2320/0673 , G09G2360/144
Abstract: The present disclosure discloses a method and device for reducing display brightness, and belongs to the technical field of display. Aspects of the disclosure provide a method for reducing display brightness. The method includes acquiring a first corresponding relationship between pixel values and voltages for reducing display brightness. The first corresponding relationship is determined based on a second corresponding relationship between pixel values and voltages and a ratio for brightness reduction. Further, the method includes determining a voltage corresponding to a pixel value of a pixel to be displayed based on the first corresponding relationship and at a scanning moment corresponding to the pixel, outputting the determined voltage to a data line corresponding to the pixel in a liquid crystal display screen.
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