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公开(公告)号：US10911748B1
公开(公告)日：2021-02-02
申请号：US16506410
申请日：2019-07-09
Applicant: Apple Inc.
Inventor： Robert Molholm , Mingxia Gu , Lu Zhang , Francisco H. Imai , Jiaying Wu , Shahram Peyvandi , Gabriel Marcu , Po-Chieh Hung , Xiran Wang
Abstract: A display calibration system may include a first electronic device that includes an ambient light sensor and a display to be calibrated in a second electronic device. The first electronic device may generate test patterns to be displayed on the display. The ambient light sensor may receive light emitted from the display based on the test patterns to generate display color space data. The first electronic device may generate calibration data for the display based on the display color space data and a target reference color space. The second electronic device may store the calibration data and use the calibration data to generate more accurate images. Because the first electronic device may include other functionalities other display calibration, specialized display calibration equipment may be omitted. Additionally, a third electronic device that acts as an intermediary between the first and second electronic devices.
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公开(公告)号：US20200380907A1
公开(公告)日：2020-12-03
申请号：US16428213
申请日：2019-05-31
Applicant: Apple Inc.
Inventor： Gabriel Marcu , Shahram Peyvandi , Lu Zhang
IPC: G09G3/20
Abstract: A display panel is initialized to a native state where no color corrections are applied. A native response of the display panel is measured in the native state. One or more calibration operations for the display panel are performed based on the measured native response and calibration data is generated. The generated calibration data is stored in a timing controller (TCON) chip of the display panel. One or more chromaticity values of the display panel are measured while driving the display panel in a calibrated state based on the generated calibration data. The measured chromaticity value of the display panel is stored as Extended Display Identification Data (EDID) or DisplayID data in the TCON.
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公开(公告)号：US10854953B2
公开(公告)日：2020-12-01
申请号：US15717821
申请日：2017-09-27
Applicant: Apple Inc.
Inventor： Pietro Romano , Umar Azad , Harish Rajagopalan , David Garrido Lopez , Lu Zhang , Rodney A. Gomez Angulo , Mattia Pascolini
Abstract: An electronic device may include a peripheral conductive housing sidewall with an integral ledge extending towards the device interior. A display cover layer may be supported by the integral ledge. A slot antenna may be formed from a slot in the integral ledge. The integral ledge may be mounted to a surface of a substrate and coupled to a conductive rear housing wall by a conductive layer extending over an additional surface of the substrate. The sidewall may include a vertical portion extending from the ledge to the rear wall. The slot antenna may be fed via near-field coupling using a conductive patch that is located within the slot at the surface of the substrate. The conductive layer, rear housing wall, and vertical portion may form a cavity for the slot antenna. The conductive layer may isolate the slot from interference with a battery, display circuitry, or other components.
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公开(公告)号：US20190035356A1
公开(公告)日：2019-01-31
申请号：US15979324
申请日：2018-05-14
Applicant: Apple Inc.
Inventor： Jiaying Wu , Cheng Chen , Hung A. Pham , Lu Zhang , Paul V. Johnson , See-Ho Tsang , Steven P. Hotelling , Wesley S. Smith
Abstract: An electronic device may have components that experience performance variations as the device changes orientation relative to a user. Changes in the orientation of the device relative to the user can be monitored using a motion sensor. A camera may be used to periodically capture images of a user's eyes. By processing the images to produce accurate orientation information reflecting the position of the user's eyes relative to the device, the orientation of the device tracked by the motion sensor can be periodically updated. The components may include audio components such as microphones and speakers and may include a display with an array of pixels for displaying images. Control circuitry in the electronic device may modify pixel values for the pixels in the array to compensate for angle-of-view-dependent pixel appearance variations based on based on the orientation information from the motion sensor and the camera.
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公开(公告)号：US20180226055A1
公开(公告)日：2018-08-09
申请号：US15427947
申请日：2017-02-08
Applicant: Apple Inc.
Inventor： Roy J.E.M. Raymann , Nicolas P. Bonnier , Jonathan T. Varbel , Lu Zhang
IPC: G09G5/10 , G09G3/20 , G06F3/01 , G06F3/0484
CPC classification number: G09G3/2003 , G06F3/013 , G09G2320/0626 , G09G2320/0666 , G09G2354/00 , G09G2360/144
Abstract: Parameters of a display may be adjusted in response to accessing a time value corresponding to an electronic device that includes the display. A brightness value of the display may be adjusted based on the time value to maintain a display characteristic value within a predefined range and below a threshold. The display characteristic value may be independently controllable by one of the brightness or the color temperature of the display. A set of red green blue (RGB) color values of the display may be adjusted independent of the adjustment to the brightness value to maintain the display characteristic value within the predefined range and below the threshold while maintaining the brightness value of the display. In some examples, the RGB color values of the display may be adjusted at approximately the same time as the adjustment of the set of RGB color values of the display is performed.
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Patent Agency Ranking
公开(公告)号：US20180075798A1
公开(公告)日：2018-03-15
申请号：US15661995
申请日：2017-07-27
Applicant: Apple Inc.
Inventor： Hyunwoo Nho , Hung Sheng Lin , Jie Won Ryu , Junhua Tan , Sun-Il Chang , Shengkui Gao , Rui Zhang , Injae Hwang , Kingsuk Brahma , Jesse Aaron Richmond , Shiping Shen , Hyunsoo Kim , Sebastian Knitter , Lu Zhang , Nicolas P. Bonnier , Chih-Wei Yeh , Chaohao Wang , Paolo Sacchetto , Chin-Wei Lin , Mohammad B Vahid Far , Shinya Ono , Yafei Bi , Majid Gharghi , Kavinaath Murugan , Yun Wang , Derek K. Shaeffer , Baris Cagdaser , Tobias Jung , Marc Albrecht , Myung-Je Cho
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G3/3233 , G09G2320/0233 , G09G2320/0285 , G09G2320/029 , G09G2320/0295 , G09G2320/041 , G09G2320/043 , G09G2320/045 , G09G2320/0626
Abstract: A mobile electronic device includes a display having a pixel and processing circuitry separate from but communicatively coupled to the display. The processing circuitry prepares image data to send to the pixel and adjusts the image data to compensate for operational variations of the display based on feedback received from the display that describes a present operational behavior of the pixel. The mobile electronic device also includes additional electronic components that affect the present operational behavior of the pixel depending on present operational behavior of the additional electronic components.
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公开(公告)号：US09478157B2
公开(公告)日：2016-10-25
申请号：US14673685
申请日：2015-03-30
Applicant: Apple Inc.
Inventor： Jiaying Wu , Lu Zhang , Cheng Chen , Gabriel Marcu , Chaohao Wang , Ming Xu , Ricardo Motta , Wei Chen , John Z. Zhong
CPC classification number: G09G3/2003 , G09G3/3413 , G09G5/02 , G09G2320/0242 , G09G2320/0261 , G09G2320/0666 , G09G2360/144 , G09G2360/145
Abstract: An electronic device may include a display having an array of display pixels and having display control circuitry that controls the operation of the display. The display control circuitry may adaptively adjust the display output based on ambient lighting conditions. For example, in cooler ambient lighting conditions such as those dominated by daylight, the display may display neutral colors using a relatively cool white. When the display is operated in warmer ambient lighting conditions such as those dominated by indoor light sources, the display may display neutral colors using a relatively warm white. Adapting to the ambient lighting conditions may ensure that the user does not perceive color shifts on the display as the user's vision chromatically adapts to different ambient lighting conditions. Adaptively adjusting images in this way can also have beneficial effects on the human circadian rhythm by displaying warmer colors in the evening.
Abstract translation: 电子设备可以包括具有显示像素阵列并具有控制显示器的操作的显示控制电路的显示器。 显示控制电路可以基于环境照明条件自适应地调整显示输出。 例如，在较冷的环境照明条件下，例如由日光控制的环境照明条件下，显示器可以使用相当冷的白色显示中性色。 当显示器在诸如由室内光源所主导的环境照明条件较暖的环境照明条件下操作时，显示器可以使用相对温暖的白色显示中性色。 适应环境照明条件可以确保用户在视觉色彩适应不同的环境照明条件时不会察觉显示器上的色彩偏移。 以这种方式自适应调整图像也可以通过在晚上显示温暖的颜色对人类昼夜节律有益。
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公开(公告)号：US11575884B1
公开(公告)日：2023-02-07
申请号：US16907027
申请日：2020-06-19
Applicant: Apple Inc.
Inventor： Osborn F. de Lima , Jiaying Wu , Lu Zhang , Nathaniel C. Begeman , Shahram Peyvandi , Adria Fores Herranz
IPC: H04N17/02 , G09G3/20 , H04M1/72409
Abstract: A system may include multiple electronic devices. A first device such as a source electronic device may supply visual content for displaying by a display in a second electronic device such as a display electronic device. The display electronic device may be a television or other device with a display. Calibration operations may be performed by taking light measurements on light produced by the display when test content is provided from the first device to the second device. A third electronic device in the system such as a portable electronic device with an ambient light sensor may make measurement on the light from the display while the test content is being displayed. The test content may contain a test image target with time-varying color and time-varying intensity, allowing calibration information such as gamma curves to be obtained on the display.
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公开(公告)号：US10909899B2
公开(公告)日：2021-02-02
申请号：US16428213
申请日：2019-05-31
Applicant: Apple Inc.
Inventor： Gabriel Marcu , Shahram Peyvandi , Lu Zhang
IPC: G09G3/20
Abstract: A display panel is initialized to a native state where no color corrections are applied. A native response of the display panel is measured in the native state. One or more calibration operations for the display panel are performed based on the measured native response and calibration data is generated. The generated calibration data is stored in a timing controller (TCON) chip of the display panel. One or more chromaticity values of the display panel are measured while driving the display panel in a calibrated state based on the generated calibration data. The measured chromaticity value of the display panel is stored as Extended Display Identification Data (EDID) or DisplayID data in the TCON.
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公开(公告)号：US20200097102A1
公开(公告)日：2020-03-26
申请号：US16143009
申请日：2018-09-26
Applicant: Apple Inc.
Inventor： Lu Zhang , Yi Jiang , Mattia Pascolini
IPC: G06F3/0354 , H01Q1/38
Abstract: A computer stylus may be provided that includes an elongated body with a tip and an opposing end coupled together by a shaft that includes a metal tube. The stylus may include a substrate at the end of the elongated body and conductive traces on the substrate. The conductive traces on the substrate may form an antenna ground, an antenna resonating element arm, and a return path. The antenna resonating element arm may be a helical structure that wraps around the substrate. The antenna ground formed from the conductive traces may be coupled to the metal tube using an intermediate metal layer. A cap structure formed at the opposing end and over the substrate may be interposed between the conductive traces and adhesive to protect the conductive traces from the adhesive. A metal portion of the cap structure may serve as an antenna signal reflector.
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