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公开(公告)号：US11936844B1
公开(公告)日：2024-03-19
申请号：US17343598
申请日：2021-06-09
Applicant: Apple Inc.
Inventor： Sheng Zhang , Chaohao Wang , Yue Ma
IPC: H04N13/305 , G06F16/16 , G06T3/40 , G06T5/00 , G06T5/20 , H04N13/398 , H04N13/383
CPC classification number: H04N13/305 , G06F16/168 , G06T3/40 , G06T5/002 , G06T5/20 , H04N13/398 , G09G2340/0457 , H04N13/383
Abstract: An electronic device may include a lenticular display. The lenticular display may have a lenticular lens film formed over an array of pixels. The display may have a number of independently controllable viewing zones. Each viewing zone displays a respective two-dimensional image. Each eye of the viewer may receive a different one of the two-dimensional images, resulting in a perceived three-dimensional image. The electronic device may include display pipeline circuitry that generates and processes content to be displayed on the lenticular display. Content generating circuitry may initially generate content that includes a plurality of two-dimensional images, each two-dimensional image corresponding to a respective viewing zone. Pre-processing circuitry may subsequently anisotropically resize each two-dimensional image. Pixel mapping circuitry may then be used to map the resized two-dimensional images to the array of pixels in the lenticular display.
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公开(公告)号：US11822191B2
公开(公告)日：2023-11-21
申请号：US16849164
申请日：2020-04-15
Applicant: Apple Inc.
Inventor： Khadijeh Bayat , Avery P. Yuen , Chaohao Wang , Runyu Zhang , Xianwei Zhao , Xiaokai Li , Yang Li , Zhibing Ge , Alex H. Pai
IPC: G02F1/1343 , G02B27/01 , G02F1/137 , G02F1/29
CPC classification number: G02F1/13439 , G02B27/0172 , G02F1/1343 , G02F1/13725 , G02F1/29 , G02B2027/0118
Abstract: An electronic device such as a head-mounted device may have a display that displays computer-generated content for a user. The head-mounted device may have an optical system that directs the computer-generated content towards eye boxes for viewing by a user. The optical system may include a spatially addressable adjustable optical component. The adjustable optical component may have first and second electrodes and an electrically adjustable material between the first and second electrodes. The electrically adjustable material may include a transparent conductive material such as indium tin oxide that includes a pattern of segmented trenches configured to provide the transparent conductive material with electrical anisotropy. Contacts may be coupled to the transparent conductive material. Control circuitry can adjust the electrically adjustable material to form a spatially addressable light modulator or adjustable lens.
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公开(公告)号：US20230350105A1
公开(公告)日：2023-11-02
申请号：US18348108
申请日：2023-07-06
Applicant: Apple Inc.
Inventor： Yi-Pai Huang , Manjap Singh , Cheng-Ho Yu , ByoungSuk Kim , Yi Huang , Hitoshi Yamamoto , Mathew K. Mathai , Chieh-Wei Chen , Ping-Yen Chou , Donghee Nam , Chaohao Wang , Hao Chen
IPC: G02B3/00 , G02B27/01 , G06F1/16 , H04N13/305 , H04N13/383 , G02B30/29 , G02B30/27 , G02F1/17 , H10K50/86 , H10K50/858 , H10K59/12
CPC classification number: G02B3/005 , G02B27/0172 , G06F1/1609 , H04N13/305 , H04N13/383 , G02B30/29 , G02B30/27 , G02F1/17 , H10K50/86 , H10K50/858 , H10K50/865 , H10K59/12 , G02B2027/0187 , G02B2027/0134 , G02B2207/123
Abstract: A lenticular display may be formed with convex curvature. The lenticular display may have a lenticular lens film with lenticular lenses that extend across the length of the display. The lenticular lenses may be configured to enable stereoscopic viewing of the display. To enable more curvature in the display while ensuring satisfactory stereoscopic display performance, the display may have stereoscopic zones and non-stereoscopic zones. A central stereoscopic zone may be interposed between first and second non-stereoscopic zones. The non-stereoscopic zones may have more curvature than the stereoscopic zone. To prevent crosstalk within the lenticular display, a louver film may be incorporated into the display. The pixel array may have a diagonal layout and may be covered by vertically oriented lenticular lenses.
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公开(公告)号：US11756481B2
公开(公告)日：2023-09-12
申请号：US17469816
申请日：2021-09-08
Applicant: Apple Inc.
Inventor： Hyunsoo Kim , Kingsuk Brahma , Myungjoon Choi , Yue Jack Chu , Li-Xuan Chuo , Hassan Edrees , Chin-Wei Lin , Hyunwoo Nho , Shinya Ono , Alex H. Pai , Jie Won Ryu , Yao Shi , Chaohao Wang
IPC: G09G3/3233 , G09G3/3266
CPC classification number: G09G3/3233 , G09G3/3266 , G09G2300/0819 , G09G2300/0842 , G09G2320/0247 , G09G2320/041 , G09G2320/0626 , G09G2360/12
Abstract: Systems, methods, and devices are provided for mitigating visual artifacts by dynamically tuning bias voltages applied to display pixels. An electronic display may include a display pixel and a bias voltage supply. The bias voltage supply may supply a first bias voltage to the display pixel for a first subframe of a frame of image data. The bias voltage supply may supply a different second bias voltage to the display pixel for a second subframe of the frame of image data. This may mitigate certain image artifacts, such as flicker or variable refresh rate luminance difference, that could arise due to display pixel hysteresis that varies across subframes of the image frame.
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公开(公告)号：US11688364B2
公开(公告)日：2023-06-27
申请号：US17714805
申请日：2022-04-06
Applicant: Apple Inc.
Inventor： Hari P Paudel , Chaohao Wang , Hopil Bae , Mahdi Farrokh Baroughi , Wei Chen , Wei H Yao , Seung B Rim , Sunmin Jang
IPC: G09G5/10
CPC classification number: G09G5/10 , G09G2300/026 , G09G2320/0686 , G09G2340/12 , G09G2354/00 , G09G2360/16
Abstract: An electronic device may display image content via a tile-based display by controlling light emission from display pixels of the tile-based display. Based on image data associated with the image content, a processing circuitry of the tile-based display may receive a potential tile boundary. The processing circuitry may resample the image data based on geometry of the tile boundary and positions of the display pixels on the tile-based panel. After resampling the image data, the processing circuitry may adjust gain of the tile boundary display pixels according to a gain mask to compensate for the tile boundary.
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公开(公告)号：US20230087088A1
公开(公告)日：2023-03-23
申请号：US17894935
申请日：2022-08-24
Applicant: Apple Inc.
Inventor： Mahdi Farrokh Baroughi , Sandeep Chalasani , Xiang Lu , Anurag Mehta , Hopil Bae , Chaohao Wang , Rajesh Velayuthan , Steven E. Molesa , Yaser Azizi , Young Don Bae , Sunmin Jang , Haitao Li , Hari P. Paudel , Anatole Huang , Tyler R. Kakuda , David A. Doyle , Wei H. Yao , Majid Gharghi , Vaibhav D. Patel
Abstract: A display may be formed by an array of light-emitting diodes mounted to the surface of a display substrate. The light-emitting diodes may be inorganic light-emitting diodes formed from separate crystalline semiconductor structures. An array of pixel control circuits may be used to control light emission from the light-emitting diodes. Each pixel control circuit may be configured to control one or more respective passive matrices. To control partial pixel cells in the display, a donor pixel control circuit in a partial pixel cell may control the pixels in a receptor partial pixel cell without a pixel control circuit. To mitigate the size of an inactive area of the display, fanout signal lines for the display may be formed in the light-emitting active area of the display. The fanout signal lines may be formed between a row of pixel control circuits and a bottom edge of the light-emitting active area.
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公开(公告)号：US11348554B1
公开(公告)日：2022-05-31
申请号：US17002680
申请日：2020-08-25
Applicant: Apple Inc.
Inventor： Yingying Tang , Chaohao Wang , Wei H. Yao
Abstract: An electronic device may have a display. A protective display cover layer for the display may tend to dim pixels near the edge of the display. Control circuitry in the electronic device may boost luminance for pixels in an edge region of a displayed image relative to a center region of the image. This ensures that image brightness does not vary across the image. The control circuitry may include a graphics processing unit, a pixel pipeline implemented in a system-on-chip circuit block, and a display drive circuit block. Luminance compensation may be implemented in the system-on-chip block and/or in the display driver circuit block.
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公开(公告)号：US20220076627A1
公开(公告)日：2022-03-10
申请号：US17469816
申请日：2021-09-08
Applicant: Apple Inc.
Inventor： Hyunsoo Kim , Kingsuk Brahma , Myungjoon Choi , Yue Jack Chu , Li-Xuan Chuo , Hassan Edrees , Chin-Wei Lin , Hyunwoo Nho , Shinya Ono , Alex H. Pai , Jie Won Ryu , Yao Shi , Chaohao Wang
IPC: G09G3/3233
Abstract: Systems, methods, and devices are provided for mitigating visual artifacts by dynamically tuning bias voltages applied to display pixels. An electronic display may include a display pixel and a bias voltage supply. The bias voltage supply may supply a first bias voltage to the display pixel for a first subframe of a frame of image data. The bias voltage supply may supply a different second bias voltage to the display pixel for a second subframe of the frame of image data. This may mitigate certain image artifacts, such as flicker or variable refresh rate luminance difference, that could arise due to display pixel hysteresis that varies across subframes of the image frame.
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公开(公告)号：US11210990B2
公开(公告)日：2021-12-28
申请号：US16325260
申请日：2017-08-15
Applicant: Apple Inc.
Inventor： Ivan Knez , Cheuk Chi Lo , Akira Matsudaira , Chun-Yao Huang , Giovanni Carbone , Paolo Sacchetto , Chaohao Wang , Sheng Zhang , Adam Adjiwibawa
Abstract: An electronic device may have a display and a gaze tracking system. The electronic device may display images on the display that have a higher resolution in a portion of the display that overlaps a gaze location than other portions of the display. Timing controller circuitry and column driver circuitry may include interpolation and filter circuitry. The interpolation and filter circuitry may be used to perform nearest neighbor interpolation and two-dimensional spatial filtering on low resolution image data. Display driver circuitry may be configured to load higher resolution data into selected portions of a display. The display driver circuitry may include low and high resolution image data buffers and configurable row driver circuitry. Block enable transistors may be included in a display to allow selected blocks of pixels to be loaded with high resolution image data.
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公开(公告)号：US11024243B2
公开(公告)日：2021-06-01
申请号：US17034894
申请日：2020-09-28
Applicant: Apple Inc.
Inventor： Chaohao Wang , Brijesh Tripathi , Christopher Philip Alan Tann , David S. Zalatimo , Guy Cote , Hao Nan , Marc Albrecht , Paolo Sacchetto , Sandro H. Pintz
IPC: G09G3/36
Abstract: An electronic device may generate content that is to be displayed on a display. The display may have an array of liquid crystal display pixels for displaying image frames of the content. The image frames may be displayed with positive and negative polarities to help reduce charge accumulation effects. A charge accumulation tracker may analyze the image frames to determine when there is a risk of excess charge accumulation. The charge accumulation tracker may analyze information on gray levels, frame duration, and frame polarity. The charge accumulation tracker may compute a charge accumulation metric for entire image frames or may process subregions of each frame separately. When subregions are processed separately, each subregion may be individually monitored for a risk of excess charge accumulation.
